Vehicles cleanup before impacts were broken (#575)

* Enhance big gun rotation; vehicle cleanup

* Determine defaults for vehicle info members; keep camera elevation aligned with line of sight on big gun

* Organise constants

* Fix jeep/bike floor tilts

* Unify vehicle height calcs, fix bridges for vehicles

* Fix water vehicles

* Fix typo

* Introduce unified vehicle mounting mechanism and use it for the skidoo

* Ensure vehicle mounting occurs from correct side; modify skidoo and speedboat control inputs

* Update VehicleHelpers.cpp

* Fix kayak

* Standardise vehicle inputs

* Update vehicle acceleration input

* Make vehicle inputs constants

* Rename Airborne to IsAirborne

* Move generic vehicle functions to VehicleHelpers.cpp

* Also move constants

* Remove inaccurate vehicle mount condition

* Move vehicle constants to header; redo quad bike input replacement (further adjustment required)

* Establish vehicle mount constants for later; convert vehicle macros to constants

* Add condition to level start mount

* Organise and demagic some vehicle constants

* More cleanup and demagicking of vehicle constants

* Demagic and simplify UPV garbage

* Organise UPV angle macros and constants to make sense

* Organise a little more

* Final cleanup of UPV constants

* Add temporary vehicle velocity scale constant for easier removal later; demagic rubber boat velocity and turn rate values

* Cleanup, demagicking

* Cleanup

* Organisation

* Prototype vehicle turn rate modulation with skidoo and UPV

* Tentatively simplify UPV turn rate deceleration

* Fix UPV turning

* Tweak UPV turn rate macros

* Tweak UPV turn rate macros

* Complete vehicle mount function

* Use new vehicle mount function with quad bike

* Use new vehicle mount function with motorbike

* Add oneshot check to GetVehicleMountType()

* Prepare mechanism to allow starting a level already mounted on any vehicle

* Fix typo

* Cleanup and organisation

* Remove use of Lara global

* Use new vehicle mount function with minecart

* Fix spike deaths on vehicles

* Use new vehicle mount function with jeep

* Assess 2D distance for vehicle mounts instead of 3D for better fidelity around steps

* Cleanup

* Use new vehicle mount function with speedboat

* Fix mounts on boats

* Use new vehicle mount function with rubber boat

* Use new vehicle mount function with kayak

* Cleanup

* Use new mount function with UPV

* Fix motorbike nitro and remove useless flag checks

* Fix bike nitro, rotate wheels for vehicles

* Fix ItemPushStatic not to corrupt non-Lara items room number

* Remove unneeded clamps

* Fix typo

* Jeep: comply to tomb4 decompilation order

* Uncomment drift code for jeep, rename unknown2 to Gear

* Fix flag meanings

* Further backport of jeep from tomb4 project

* Use JeepBrakeLightJoints

* Update jeep.cpp

* Fix vehicle static collisions

* Add disabled option to insert nitro into motorbike

* Simplify UPV collision check

* Update comment

* Make vehicle function parameter ordering consistent

* Rotate UPV rudders when turning the vehicle

* Lean UPV when turning

* Simplify condition

* Simplify skidoo turn rate modulation

* Fix UPV turbine rotation

* Fix merge error

* Tentatively invert turning when moving in reverse on skidoo

* Add function to discard flares on vehicles to avoid copy-paste

* Add big reminder comment for savegames

* Fix another "epic" typo by me, convert enum hex values to shifts

* lara_struct.h cleanup

* UPV cleanup

* #include cleanup in vehicle headers

* Also brake quadbike with brake button

Co-authored-by: Sezz <seb.zych@outlook.com>

TombEngine/Game/Lara/lara.cpp

@@ -40,7 +40,6 @@
 using namespace TEN::Effects::Lara;
 using namespace TEN::Control::Volumes;
 using namespace TEN::Input;
-
 using std::function;
 using TEN::Renderer::g_Renderer;
 
@@ -448,7 +447,7 @@ void LaraControl(ItemInfo* item, CollisionInfo* coll)
 		item->Animation.AnimNumber == LA_STAND_IDLE &&
 		item->Animation.ActiveState == LS_IDLE &&
 		item->Animation.TargetState == LS_IDLE &&
-		!item->Animation.Airborne)
+		!item->Animation.IsAirborne)
 	{
 		lara->Control.HandStatus = HandStatus::Free;
 	}
@@ -492,7 +491,7 @@ void LaraControl(ItemInfo* item, CollisionInfo* coll)
 				if (isWater)
 				{
 					item->Pose.Position.y += CLICK(0.5f) - 28;
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 					lara->Control.WaterStatus = WaterStatus::Underwater;
 					lara->Air = LARA_AIR_MAX;
 
@@ -529,15 +528,15 @@ void LaraControl(ItemInfo* item, CollisionInfo* coll)
 			{
 				lara->Control.WaterStatus = WaterStatus::Wade;
 
-				// Make splash ONLY within this particular threshold before swim depth while airborne (WadeSplash() above interferes otherwise).
+				// Make splash ONLY within this particular threshold before swim depth while is_airborne (WadeSplash() above interferes otherwise).
 				if (waterDepth > (SWIM_DEPTH - CLICK(1)) &&
-					item->Animation.Airborne && !isSwamp)
+					item->Animation.IsAirborne && !isSwamp)
 				{
 					item->Animation.TargetState = LS_IDLE;
 					Splash(item);
 				}
 				// Lara is grounded; don't splash again.
-				else if (!item->Animation.Airborne)
+				else if (!item->Animation.IsAirborne)
 					item->Animation.TargetState = LS_IDLE;
 				else if (isSwamp)
 				{
@@ -566,7 +565,7 @@ void LaraControl(ItemInfo* item, CollisionInfo* coll)
 						SetAnimation(item, LA_FALL_START);
 						ResetLaraLean(item);
 						ResetLaraFlex(item);
-						item->Animation.Airborne = true;
+						item->Animation.IsAirborne = true;
 						item->Animation.Velocity = item->Animation.VerticalVelocity / 4;
 						item->Animation.VerticalVelocity = 0;
 						lara->Control.WaterStatus = WaterStatus::Dry;
@@ -606,7 +605,7 @@ void LaraControl(ItemInfo* item, CollisionInfo* coll)
 				if (heightFromWater <= WADE_DEPTH)
 				{
 					SetAnimation(item, LA_FALL_START);
-					item->Animation.Airborne = true;
+					item->Animation.IsAirborne = true;
 					item->Animation.Velocity = item->Animation.VerticalVelocity / 4;
 					lara->Control.WaterStatus = WaterStatus::Dry;
 				}
@@ -634,7 +633,7 @@ void LaraControl(ItemInfo* item, CollisionInfo* coll)
 					ResetLaraLean(item);
 					ResetLaraFlex(item);
 					item->Pose.Position.y += 1 - heightFromWater;
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 					item->Animation.VerticalVelocity = 0;
 					lara->Control.WaterStatus = WaterStatus::TreadWater;
 

TombEngine/Game/Lara/lara_basic.cpp

@@ -179,7 +179,7 @@ void lara_col_walk_forward(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = STEPUP_HEIGHT;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
@@ -310,7 +310,7 @@ void lara_col_run_forward(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
@@ -688,7 +688,7 @@ void lara_col_idle(ItemInfo* item, CollisionInfo* coll)
 
 	bool isSwamp = TestEnvironment(ENV_FLAG_SWAMP, item);
 
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	lara->Control.MoveAngle = (item->Animation.Velocity >= 0) ? item->Pose.Orientation.y : (item->Pose.Orientation.y + ANGLE(180.0f));
 	coll->Setup.LowerFloorBound = isSwamp ? NO_LOWER_BOUND : STEPUP_HEIGHT;
@@ -793,7 +793,7 @@ void lara_col_run_back(ItemInfo* item, CollisionInfo* coll)
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y + ANGLE(180.0f);
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	coll->Setup.BlockFloorSlopeDown = true;
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
@@ -1383,7 +1383,7 @@ void lara_col_death(ItemInfo* item, CollisionInfo* coll)
 {
 	auto* lara = GetLaraInfo(item);
 
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
 	coll->Setup.LowerFloorBound = STEPUP_HEIGHT;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
@@ -1508,7 +1508,7 @@ void lara_col_walk_back(ItemInfo* item, CollisionInfo* coll)
 	bool isSwamp = TestEnvironment(ENV_FLAG_SWAMP, item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y + ANGLE(180.0f);
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = (lara->Control.WaterStatus == WaterStatus::Wade) ? NO_LOWER_BOUND : STEPUP_HEIGHT;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
@@ -1842,7 +1842,7 @@ void lara_col_step_right(ItemInfo* item, CollisionInfo* coll)
 	bool isSwamp = TestEnvironment(ENV_FLAG_SWAMP, item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y + ANGLE(90.0f);
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = (lara->Control.WaterStatus == WaterStatus::Wade) ? NO_LOWER_BOUND : CLICK(0.8f);
 	coll->Setup.UpperFloorBound = -CLICK(0.8f);
@@ -1931,7 +1931,7 @@ void lara_col_step_left(ItemInfo* item, CollisionInfo* coll)
 	bool isSwamp = TestEnvironment(ENV_FLAG_SWAMP, item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y - ANGLE(90.0f);
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = (lara->Control.WaterStatus == WaterStatus::Wade) ? NO_LOWER_BOUND : CLICK(0.8f);
 	coll->Setup.UpperFloorBound = -CLICK(0.8f);
@@ -2003,7 +2003,7 @@ void lara_col_roll_back(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y + ANGLE(180.0f);
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
@@ -2072,7 +2072,7 @@ void lara_col_roll_forward(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;

TombEngine/Game/Lara/lara_cheat.cpp

@@ -69,7 +69,7 @@ void LaraCheatyBits(ItemInfo* item)
 				{
 					SetAnimation(item, LA_DOZY);
 					item->Animation.VerticalVelocity = 30;
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 					item->Pose.Orientation.x = ANGLE(30.0f);
 					item->HitPoints = LARA_HEALTH_MAX;
 

TombEngine/Game/Lara/lara_climb.cpp

@@ -982,7 +982,7 @@ bool LaraCheckForLetGo(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 
 	if (TrInput & IN_ACTION && item->HitPoints > 0 || item->Animation.AnimNumber == LA_ONWATER_TO_LADDER) // Can't let go on this anim
 		return false;
@@ -993,7 +993,7 @@ bool LaraCheckForLetGo(ItemInfo* item, CollisionInfo* coll)
 
 	item->Animation.Velocity = 2;
 	item->Animation.VerticalVelocity = 1;
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 	lara->Control.HandStatus = HandStatus::Free;
 	return true;
 }

TombEngine/Game/Lara/lara_collide.cpp

@@ -158,7 +158,7 @@ bool LaraDeflectEdgeCrawl(ItemInfo* item, CollisionInfo* coll)
 		ShiftItem(item, coll);
 
 		item->Animation.Velocity = 0;
-		item->Animation.Airborne = false;
+		item->Animation.IsAirborne = false;
 		return true;
 	}
 
@@ -189,7 +189,7 @@ bool LaraDeflectEdgeMonkey(ItemInfo* item, CollisionInfo* coll)
 
 		item->Animation.TargetState = LS_MONKEY_IDLE;
 		item->Animation.Velocity = 0;
-		item->Animation.Airborne = false;
+		item->Animation.IsAirborne = false;
 		return true;
 	}
 
@@ -385,7 +385,7 @@ void LaraResetGravityStatus(ItemInfo* item, CollisionInfo* coll)
 	if (coll->Middle.Floor <= STEPUP_HEIGHT)
 	{
 		item->Animation.VerticalVelocity = 0;
-		item->Animation.Airborne = false;
+		item->Animation.IsAirborne = false;
 	}
 }
 
@@ -686,7 +686,7 @@ bool TestLaraHitCeiling(CollisionInfo* coll)
 
 void SetLaraHitCeiling(ItemInfo* item, CollisionInfo* coll)
 {
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.Velocity = 0;
 	item->Animation.VerticalVelocity = 0;
 	item->Pose.Position = coll->Setup.OldPosition;

TombEngine/Game/Lara/lara_crawl.cpp

@@ -109,7 +109,7 @@ void lara_col_crouch_idle(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.KeepLow = TestLaraKeepLow(item, coll);
 	lara->Control.IsLow = true;
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
@@ -172,7 +172,7 @@ void lara_col_crouch_roll(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.KeepLow = TestLaraKeepLow(item, coll);
 	lara->Control.IsLow = true;
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
@@ -185,7 +185,7 @@ void lara_col_crouch_roll(ItemInfo* item, CollisionInfo* coll)
 	GetCollisionInfo(coll, item);
 
 	// TODO: With sufficient speed, Lara can still roll off ledges. This is particularly a problem in the uncommon scenario where
-	// she becomes Airborne within a crawlspace; collision handling will push her back very rapidly and potentially cause a softlock. @Sezz 2021.11.02
+	// she becomes IsAirborne within a crawlspace; collision handling will push her back very rapidly and potentially cause a softlock. @Sezz 2021.11.02
 	if (LaraDeflectEdgeCrawl(item, coll))
 		item->Pose.Position = coll->Setup.OldPosition;
 
@@ -472,7 +472,7 @@ void lara_col_crawl_idle(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.KeepLow = TestLaraKeepLow(item, coll);
 	lara->Control.IsLow = true;
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
@@ -561,7 +561,7 @@ void lara_col_crawl_forward(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.KeepLow = TestLaraKeepLow(item, coll);
 	lara->Control.IsLow = true;
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
@@ -649,7 +649,7 @@ void lara_col_crawl_back(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.KeepLow = TestLaraKeepLow(item, coll);
 	lara->Control.IsLow = true;
 	lara->Control.MoveAngle = item->Pose.Orientation.y + ANGLE(180.0f);
@@ -859,7 +859,7 @@ void lara_col_crawl_to_hang(ItemInfo* item, CollisionInfo* coll)
 		GetCollisionInfo(coll, item);
 		lara->Control.HandStatus = HandStatus::Busy;
 		item->Pose.Position.y += coll->Front.Floor - GetBoundsAccurate(item)->Y1 - 20;
-		item->Animation.Airborne = true;
+		item->Animation.IsAirborne = true;
 		item->Animation.Velocity = 2;
 		item->Animation.VerticalVelocity = 1;
 	}

TombEngine/Game/Lara/lara_flare.cpp

@@ -378,7 +378,7 @@ void DoFlareInHand(ItemInfo* laraItem, int flareLife)
 	if (lara->Flare.Life >= FLARE_LIFE_MAX)
 	{
 		// Prevent Lara from intercepting reach/jump states with flare throws.
-		if (laraItem->Animation.Airborne ||
+		if (laraItem->Animation.IsAirborne ||
 			laraItem->Animation.TargetState == LS_JUMP_PREPARE ||
 			laraItem->Animation.TargetState == LS_JUMP_FORWARD)
 			return;

TombEngine/Game/Lara/lara_hang.cpp

@@ -49,7 +49,7 @@ void lara_col_hang(ItemInfo* item, CollisionInfo* coll)
 {
 	auto* lara = GetLaraInfo(item);
 
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.VerticalVelocity = 0;
 
 	if (item->Animation.AnimNumber == LA_REACH_TO_HANG ||

TombEngine/Game/Lara/lara_helpers.cpp

@@ -19,7 +19,7 @@
 #include "Objects/TR3/Vehicles/big_gun.h"
 #include "Objects/TR3/Vehicles/kayak.h"
 #include "Objects/TR3/Vehicles/minecart.h"
-#include "Objects/TR3/Vehicles/quad.h"
+#include "Objects/TR3/Vehicles/quad_bike.h"
 #include "Objects/TR3/Vehicles/upv.h"
 #include "Objects/TR4/Vehicles/jeep.h"
 #include "Objects/TR4/Vehicles/motorbike.h"
@@ -346,6 +346,7 @@ short ModulateLaraTurnRate(short turnRate, short accelRate, short minTurnRate, s
 	return newTurnRate * sign;
 }
 
+// TODO: Make these two functions methods of LaraInfo someday. @Sezz 2022.06.26
 void ModulateLaraTurnRateX(ItemInfo* item, short accelRate, short minTurnRate, short maxTurnRate)
 {
 	auto* lara = GetLaraInfo(item);
@@ -358,7 +359,7 @@ void ModulateLaraTurnRateY(ItemInfo* item, short accelRate, short minTurnRate, s
 	auto* lara = GetLaraInfo(item);
 
 	float axisCoeff = AxisMap[InputAxis::MoveHorizontal];
-	if (item->Animation.Airborne)
+	if (item->Animation.IsAirborne)
 	{
 		int sign = std::copysign(1, axisCoeff);
 		axisCoeff = std::min(1.2f, abs(axisCoeff)) * sign;
@@ -627,7 +628,7 @@ void SetLaraVault(ItemInfo* item, CollisionInfo* coll, VaultTestResult vaultResu
 
 void SetLaraLand(ItemInfo* item, CollisionInfo* coll)
 {
-	//item->Airborne = false; // TODO: Removing this avoids an unusual landing bug Core had worked around in an obscure way. I hope to find a proper solution. @Sezz 2022.02.18
+	//item->IsAirborne = false; // TODO: Removing this avoids an unusual landing bug Core had worked around in an obscure way. I hope to find a proper solution. @Sezz 2022.02.18
 	item->Animation.Velocity = 0;
 	item->Animation.VerticalVelocity = 0;
 
@@ -637,14 +638,14 @@ void SetLaraLand(ItemInfo* item, CollisionInfo* coll)
 void SetLaraFallAnimation(ItemInfo* item)
 {
 	SetAnimation(item, LA_FALL_START);
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 	item->Animation.VerticalVelocity = 0;
 }
 
 void SetLaraFallBackAnimation(ItemInfo* item)
 {
 	SetAnimation(item, LA_FALL_BACK);
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 	item->Animation.VerticalVelocity = 0;
 }
 
@@ -662,7 +663,7 @@ void SetLaraMonkeyRelease(ItemInfo* item)
 {
 	auto* lara = GetLaraInfo(item);
 
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 	item->Animation.Velocity = 2;
 	item->Animation.VerticalVelocity = 1;
 	lara->Control.HandStatus = HandStatus::Free;
@@ -760,7 +761,7 @@ void SetLaraCornerAnimation(ItemInfo* item, CollisionInfo* coll, bool flip)
 	if (item->HitPoints <= 0)
 	{
 		SetAnimation(item, LA_FALL_START);
-		item->Animation.Airborne = true;
+		item->Animation.IsAirborne = true;
 		item->Animation.Velocity = 2;
 		item->Animation.VerticalVelocity = 1;
 		item->Pose.Position.y += CLICK(1);
@@ -865,14 +866,14 @@ void ResetLaraFlex(ItemInfo* item, float rate)
 		lara->ExtraTorsoRot.z = 0;
 }
 
-void RumbleLaraHealthCondition(ItemInfo* lara)
+void RumbleLaraHealthCondition(ItemInfo* item)
 {
-	auto* info = GetLaraInfo(lara);
+	auto* lara = GetLaraInfo(item);
 
-	if (lara->HitPoints > LARA_HEALTH_CRITICAL && !info->PoisonPotency)
+	if (item->HitPoints > LARA_HEALTH_CRITICAL && !lara->PoisonPotency)
 		return;
 
-	bool pulse = (GlobalCounter & 0x1F) % 0x1F == 0;
+	bool doPulse = (GlobalCounter & 0x0F) % 0x0F == 1;
-	if (pulse)
+	if (doPulse)
 		Rumble(0.2f, 0.1f);
 }

TombEngine/Game/Lara/lara_helpers.h

@@ -51,4 +51,4 @@ void SetLaraSwimDiveAnimation(ItemInfo* item);
 void ResetLaraLean(ItemInfo* item, float rate = 1.0f, bool resetRoll = true, bool resetPitch = true);
 void ResetLaraFlex(ItemInfo* item, float rate = 1.0f);
 
-void RumbleLaraHealthCondition(ItemInfo* lara);
+void RumbleLaraHealthCondition(ItemInfo* item);

TombEngine/Game/Lara/lara_jump.cpp

@@ -161,7 +161,7 @@ void lara_col_freefall(ItemInfo* item, CollisionInfo* coll)
 {
 	auto* lara = GetLaraInfo(item);
 
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
 	coll->Setup.UpperFloorBound = -STEPUP_HEIGHT;
 	coll->Setup.LowerCeilingBound = BAD_JUMP_CEILING;
@@ -224,7 +224,7 @@ void lara_col_reach(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	if (lara->Control.Rope.Ptr == -1)
-		item->Animation.Airborne = true;
+		item->Animation.IsAirborne = true;
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
 

TombEngine/Game/Lara/lara_monkey.cpp

@@ -126,7 +126,7 @@ void lara_col_monkey_idle(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
 	coll->Setup.UpperFloorBound = 0;
 	coll->Setup.LowerCeilingBound = CLICK(1.25f);

TombEngine/Game/Lara/lara_objects.cpp

@@ -277,7 +277,7 @@ void lara_as_horizontal_bar_leap(ItemInfo* item, CollisionInfo* coll)
 	auto* lara = GetLaraInfo(item);
 	auto* barItem = &g_Level.Items[lara->InteractedItem];
 
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 
 	if (item->Animation.FrameNumber == g_Level.Anims[item->Animation.AnimNumber].frameBase)
 	{
@@ -1062,7 +1062,7 @@ void lara_as_zip_line(ItemInfo* item, CollisionInfo* coll)
 
 		item->Animation.Velocity = 100;
 		item->Animation.VerticalVelocity = 40;
-		item->Animation.Airborne = true;
+		item->Animation.IsAirborne = true;
 		lara->Control.MoveAngle = item->Pose.Orientation.y;
 	}
 }

TombEngine/Game/Lara/lara_overhang.cpp

@@ -457,7 +457,7 @@ void lara_as_slopeclimb(ItemInfo* item, CollisionInfo* coll)
 
 void lara_as_slopefall(ItemInfo* item, CollisionInfo* coll)
 {
-	item->Animation.Airborne = true;
+	item->Animation.IsAirborne = true;
 
 	if (GlobalCounter % 2)
 		item->Pose.Orientation.x--;
@@ -492,7 +492,7 @@ void lara_col_slopehang(ItemInfo* item, CollisionInfo* coll)
 	if (!(TrInput & IN_ACTION))
 	{
 		SetAnimation(item, LA_OVERHANG_HANG_DROP);
-		item->Animation.Airborne = true;
+		item->Animation.IsAirborne = true;
 		return;
 	}
 

TombEngine/Game/Lara/lara_slide.cpp

@@ -92,7 +92,7 @@ void lara_col_slide_forward(ItemInfo* item, CollisionInfo* coll)
 {
 	auto* lara = GetLaraInfo(item);
 
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.MoveAngle = item->Pose.Orientation.y;
 	coll->Setup.Height = LARA_HEIGHT_CRAWL;	// HACK: Behaves better with clamps.
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;
@@ -197,7 +197,7 @@ void lara_col_slide_back(ItemInfo* item, CollisionInfo* coll)
 {
 	auto* lara = GetLaraInfo(item);
 
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.MoveAngle = item->Pose.Orientation.y + ANGLE(180.0f);
 	coll->Setup.Height = LARA_HEIGHT_CRAWL;	// HACK: Behaves better with clamps.
 	coll->Setup.LowerFloorBound = NO_LOWER_BOUND;

TombEngine/Game/Lara/lara_struct.h

@@ -844,7 +844,7 @@ enum class WeaponAmmoType
 	Ammo2,
 	Ammo3,
 
-	NumAmmos
+	NumAmmoTypes
 };
 
 enum class LaraWeaponType
@@ -868,28 +868,28 @@ enum class LaraWeaponType
 
 enum LaraWeaponTypeCarried
 {
-	WTYPE_MISSING = 0x0,
+	WTYPE_MISSING	 = 0,
-	WTYPE_PRESENT = 0x1,
+	WTYPE_PRESENT	 = (1 << 0),
-	WTYPE_SILENCER = 0x2,
+	WTYPE_SILENCER	 = (1 << 1),
-	WTYPE_LASERSIGHT = 0x4,
+	WTYPE_LASERSIGHT = (1 << 2),
-	WTYPE_AMMO_1 = 0x8,
+	WTYPE_AMMO_1	 = (1 << 3),
-	WTYPE_AMMO_2 = 0x10,
+	WTYPE_AMMO_2	 = (1 << 4),
-	WTYPE_AMMO_3 = 0x20,
+	WTYPE_AMMO_3	 = (1 << 5),
-	WTYPE_MASK_AMMO = WTYPE_AMMO_1 | WTYPE_AMMO_2 | WTYPE_AMMO_3,
+	WTYPE_MASK_AMMO	 = WTYPE_AMMO_1 | WTYPE_AMMO_2 | WTYPE_AMMO_3,
 };
 
-enum class HolsterSlot : int
+enum class HolsterSlot
 {
-	Empty = ID_LARA_HOLSTERS,
+	Empty			= ID_LARA_HOLSTERS,
-	Pistols = ID_LARA_HOLSTERS_PISTOLS,
+	Pistols			= ID_LARA_HOLSTERS_PISTOLS,
-	Uzis = ID_LARA_HOLSTERS_UZIS,
+	Uzis			= ID_LARA_HOLSTERS_UZIS,
-	Revolver = ID_LARA_HOLSTERS_REVOLVER,
+	Revolver		= ID_LARA_HOLSTERS_REVOLVER,
-	Shotgun = ID_SHOTGUN_ANIM,
+	Shotgun			= ID_SHOTGUN_ANIM,
-	HK = ID_HK_ANIM,
+	HK				= ID_HK_ANIM,
-	Harpoon = ID_HARPOON_ANIM,
+	Harpoon			= ID_HARPOON_ANIM,
-	Crowssbow = ID_CROSSBOW_ANIM,
+	Crowssbow		= ID_CROSSBOW_ANIM,
 	GrenadeLauncher = ID_GRENADE_ANIM,
-	RocketLauncher = ID_ROCKET_ANIM,
+	RocketLauncher	= ID_ROCKET_ANIM
 };
 
 // TODO: Unused.
@@ -1064,7 +1064,7 @@ struct HolsterInfo
 struct CarriedWeaponInfo
 {
 	bool Present;
-	Ammo Ammo[(int)WeaponAmmoType::NumAmmos];
+	Ammo Ammo[(int)WeaponAmmoType::NumAmmoTypes];
 	WeaponAmmoType SelectedAmmo; // WeaponAmmoType_enum
 	bool HasLasersight; // TODO: Duplicated in LaraInventoryData.
 	bool HasSilencer;	// TODO: Duplicated in LaraInventoryData.
@@ -1095,6 +1095,7 @@ struct TorchData
 	bool IsLit;
 };
 
+// TODO: Someone's abandoned dairy feature.
 #define MaxDiaryPages	  64
 #define MaxStringsPerPage 8
 
@@ -1132,7 +1133,7 @@ struct LaraInventoryData
 	bool HasBinoculars;
 	bool HasCrowbar;
 	bool HasTorch;
-	bool HasLasersight;	// TODO: Duplicated in CarriedWeaponInfo.
+	bool HasLasersight; // TODO: Duplicated in CarriedWeaponInfo.
 	bool HasSilencer;	// TODO: Duplicated in CarriedWeaponInfo.
 
 	int TotalSmallMedipacks;

TombEngine/Game/Lara/lara_tests.cpp

@@ -177,7 +177,7 @@ bool TestLaraHang(ItemInfo* item, CollisionInfo* coll)
 		{
 			SetAnimation(item, LA_FALL_START);
 			item->Pose.Position.y += CLICK(1);
-			item->Animation.Airborne = true;
+			item->Animation.IsAirborne = true;
 			item->Animation.Velocity = 2;
 			item->Animation.VerticalVelocity = 1;
 			lara->Control.HandStatus = HandStatus::Free;
@@ -248,7 +248,7 @@ bool TestLaraHang(ItemInfo* item, CollisionInfo* coll)
 			item->Pose.Position.x += coll->Shift.x;
 			item->Pose.Position.y += GetBoundsAccurate(item)->Y2 * 1.8f;
 			item->Pose.Position.z += coll->Shift.z;
-			item->Animation.Airborne = true;
+			item->Animation.IsAirborne = true;
 			item->Animation.Velocity = 2;
 			item->Animation.VerticalVelocity = 1;
 			lara->Control.HandStatus = HandStatus::Free;
@@ -271,7 +271,7 @@ bool TestLaraHangJump(ItemInfo* item, CollisionInfo* coll)
 		ResetLaraFlex(item);
 		item->Animation.Velocity = 0;
 		item->Animation.VerticalVelocity = 0;
-		item->Animation.Airborne = false;
+		item->Animation.IsAirborne = false;
 		item->Pose.Position.y += coll->Middle.Ceiling + (LARA_HEIGHT_MONKEY - coll->Setup.Height);
 		lara->Control.HandStatus = HandStatus::Busy;
 		return true;
@@ -318,9 +318,9 @@ bool TestLaraHangJump(ItemInfo* item, CollisionInfo* coll)
 	else
 		SnapItemToLedge(item, coll, 0.2f);
 
+	item->Animation.IsAirborne = true;
 	item->Animation.Velocity = 2;
 	item->Animation.VerticalVelocity = 1;
-	item->Animation.Airborne = true;
 	lara->Control.TurnRate = 0;
 	lara->Control.HandStatus = HandStatus::Busy;
 	return true;
@@ -338,7 +338,7 @@ bool TestLaraHangJumpUp(ItemInfo* item, CollisionInfo* coll)
 		SetAnimation(item, LA_JUMP_UP_TO_MONKEY);
 		item->Animation.Velocity = 0;
 		item->Animation.VerticalVelocity = 0;
-		item->Animation.Airborne = false;
+		item->Animation.IsAirborne = false;
 		item->Pose.Position.y += coll->Middle.Ceiling + (LARA_HEIGHT_MONKEY - coll->Setup.Height);
 		lara->Control.HandStatus = HandStatus::Busy;
 		return true;
@@ -374,7 +374,7 @@ bool TestLaraHangJumpUp(ItemInfo* item, CollisionInfo* coll)
 
 	item->Animation.Velocity = 0;
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.HandStatus = HandStatus::Busy;
 	lara->ExtraTorsoRot = Vector3Shrt();
 	return true;
@@ -908,7 +908,7 @@ bool TestLaraWaterStepOut(ItemInfo* item, CollisionInfo* coll)
 	item->Pose.Orientation.z = 0;
 	item->Animation.Velocity = 0;
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.WaterStatus = WaterStatus::Wade;
 
 	return true;
@@ -990,7 +990,7 @@ bool TestLaraWaterClimbOut(ItemInfo* item, CollisionInfo* coll)
 
 	item->Pose.Position.y += frontFloor - 5;
 	item->Animation.ActiveState = LS_ONWATER_EXIT;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->Animation.Velocity = 0;
 	item->Animation.VerticalVelocity = 0;
 	lara->Control.TurnRate = 0;
@@ -1062,7 +1062,7 @@ bool TestLaraLadderClimbOut(ItemInfo* item, CollisionInfo* coll) // NEW function
 	item->Pose.Orientation.z = 0;
 	item->Animation.Velocity = 0;
 	item->Animation.VerticalVelocity = 0;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	lara->Control.TurnRate = 0;
 	lara->Control.HandStatus = HandStatus::Busy;
 	lara->Control.WaterStatus = WaterStatus::Dry;
@@ -1090,7 +1090,7 @@ void TestLaraWaterDepth(ItemInfo* item, CollisionInfo* coll)
 		item->Pose.Position.y = probe.Position.Floor;
 		item->Pose.Orientation.x = 0;
 		item->Pose.Orientation.z = 0;
-		item->Animation.Airborne = false;
+		item->Animation.IsAirborne = false;
 		item->Animation.Velocity = 0;
 		item->Animation.VerticalVelocity = 0;
 		lara->Control.WaterStatus = WaterStatus::Wade;
@@ -1255,7 +1255,8 @@ bool TestLaraLand(ItemInfo* item, CollisionInfo* coll)
 {
 	int heightFromFloor = GetCollision(item).Position.Floor - item->Pose.Position.y;
 
-	if (item->Animation.Airborne && item->Animation.VerticalVelocity >= 0 &&
+	if (item->Animation.IsAirborne &&
+		item->Animation.VerticalVelocity >= 0 &&
 		(heightFromFloor <= item->Animation.VerticalVelocity ||
 			TestEnvironment(ENV_FLAG_SWAMP, item)))
 	{

TombEngine/Game/animation.cpp

@@ -51,7 +51,7 @@ void AnimateLara(ItemInfo* item)
 				case COMMAND_JUMP_VELOCITY:
 					item->Animation.VerticalVelocity = *(cmd++);
 					item->Animation.Velocity = *(cmd++);
-					item->Animation.Airborne = true;
+					item->Animation.IsAirborne = true;
 					if (lara->Control.CalculatedJumpVelocity)
 					{
 						item->Animation.VerticalVelocity = lara->Control.CalculatedJumpVelocity;
@@ -150,7 +150,7 @@ void AnimateLara(ItemInfo* item)
 		lateral += anim->Xacceleration * (item->Animation.FrameNumber - anim->frameBase);
 	item->Animation.LateralVelocity = lateral >>= 16;
 
-	if (item->Animation.Airborne)
+	if (item->Animation.IsAirborne)
 	{
 		if (TestEnvironment(ENV_FLAG_SWAMP, item))
 		{
@@ -158,7 +158,7 @@ void AnimateLara(ItemInfo* item)
 			if (abs(item->Animation.Velocity) < 8)
 			{
 				item->Animation.Velocity = 0;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 			}
 			if (item->Animation.VerticalVelocity > 128)
 				item->Animation.VerticalVelocity /= 2;
@@ -241,7 +241,7 @@ void AnimateItem(ItemInfo* item)
 				case COMMAND_JUMP_VELOCITY:
 					item->Animation.VerticalVelocity = *(cmd++);
 					item->Animation.Velocity = *(cmd++);
-					item->Animation.Airborne = true;
+					item->Animation.IsAirborne = true;
 					break;
 
 				case COMMAND_DEACTIVATE:
@@ -348,7 +348,7 @@ void AnimateItem(ItemInfo* item)
 
 	int lateral = 0;
 
-	if (item->Animation.Airborne)
+	if (item->Animation.IsAirborne)
 	{
 		item->Animation.VerticalVelocity += (item->Animation.VerticalVelocity >= 128 ? 1 : 6);
 		item->Pose.Position.y += item->Animation.VerticalVelocity;

TombEngine/Game/collision/collide_item.cpp

@@ -38,11 +38,11 @@ void GenericSphereBoxCollision(short itemNumber, ItemInfo* laraItem, CollisionIn
 			int collidedBits = TestCollision(item, laraItem);
 			if (collidedBits)
 			{
-				short oldRot = item->Pose.Orientation.y;
+				short oldYOrient = item->Pose.Orientation.y;
 
 				item->Pose.Orientation.y = 0;
 				GetSpheres(item, CreatureSpheres, SPHERES_SPACE_WORLD, Matrix::Identity);
-				item->Pose.Orientation.y = oldRot;
+				item->Pose.Orientation.y = oldYOrient;
 
 				int deadlyBits = *((int*)&item->ItemFlags[0]);
 				auto* sphere = &CreatureSpheres[0];
@@ -821,7 +821,8 @@ bool ItemPushStatic(ItemInfo* item, MESH_INFO* mesh, CollisionInfo* coll) // pre
 	if (coll->CollisionType == CT_NONE)
 	{
 		coll->Setup.OldPosition = item->Pose.Position;
-		UpdateItemRoom(item, -10);
+		if (item->IsLara())
+			UpdateItemRoom(item, -10);
 	}
 	else
 	{
@@ -830,10 +831,11 @@ bool ItemPushStatic(ItemInfo* item, MESH_INFO* mesh, CollisionInfo* coll) // pre
 	}
 
 	// If Lara is in the process of aligning to an object, cancel it.
-	if (item == LaraItem && Lara.Control.IsMoving && Lara.Control.Count.PositionAdjust > (LARA_POSITION_ADJUST_MAX_TIME / 6))
+	if (item->IsLara() && Lara.Control.IsMoving && Lara.Control.Count.PositionAdjust > (LARA_POSITION_ADJUST_MAX_TIME / 6))
 	{
-		Lara.Control.IsMoving = false;
+		auto* lara = GetLaraInfo(item);
-		Lara.Control.HandStatus = HandStatus::Free;
+		lara->Control.IsMoving = false;
+		lara->Control.HandStatus = HandStatus::Free;
 	}
 
 	return true;
@@ -1672,64 +1674,6 @@ void DoProjectileDynamics(short itemNumber, int x, int y, int z, int xv, int yv,
 		ItemNewRoom(itemNumber, collResult.RoomNumber);
 }
 
-void DoVehicleCollision(ItemInfo* vehicle, int radius)
-{
-	CollisionInfo coll = {};
-	coll.Setup.Radius = radius * 0.8f; // HACK: Most vehicles use radius larger than needed.
-	coll.Setup.UpperCeilingBound = MAX_HEIGHT; // HACK: this needs to be set to prevent GCI result interference.
-	coll.Setup.OldPosition = vehicle->Pose.Position;
-	coll.Setup.EnableObjectPush = true;
-
-	DoObjectCollision(vehicle, &coll);
-}
-
-int DoVehicleWaterMovement(ItemInfo* vehicle, ItemInfo* lara, int currentVelocity, int radius, short* angle)
-{
-	if (TestEnvironment(ENV_FLAG_WATER, vehicle) ||
-		TestEnvironment(ENV_FLAG_SWAMP, vehicle))
-	{
-		auto waterDepth  = (float)GetWaterDepth(vehicle);
-		auto waterHeight = vehicle->Pose.Position.y - GetWaterHeight(vehicle);
-
-		// HACK: Sometimes quadbike test position may end up under non-portal ceiling block.
-		// GetWaterDepth returns DEEP_WATER constant in that case, which is too large for our needs.
-		if (waterDepth == DEEP_WATER)
-			waterDepth = VEHICLE_MAX_WATER_HEIGHT;
-
-		if (waterDepth <= VEHICLE_MAX_WATER_HEIGHT)
-		{
-			bool isWater = TestEnvironment(ENV_FLAG_WATER, vehicle);
-
-			if (currentVelocity != 0)
-			{
-				auto coeff = isWater ? VEHICLE_WATER_VEL_COEFFICIENT : VEHICLE_SWAMP_VEL_COEFFICIENT;
-				currentVelocity -= std::copysign(currentVelocity * ((waterDepth / VEHICLE_MAX_WATER_HEIGHT) / coeff), currentVelocity);
-
-				if (TEN::Math::Random::GenerateInt(0, 32) > 28)
-					SoundEffect(SFX_TR4_LARA_WADE, &PHD_3DPOS(vehicle->Pose.Position), SoundEnvironment::Land, isWater ? 0.8f : 0.7f);
-
-				if (isWater)
-					TEN::Effects::TriggerSpeedboatFoam(vehicle, Vector3(0, -waterDepth / 2.0f, -radius));
-			}
-
-			if (*angle != 0)
-			{
-				auto coeff = isWater ? VEHICLE_WATER_TURN_COEFFICIENT : VEHICLE_SWAMP_TURN_COEFFICIENT;
-				*angle -= *angle * ((waterDepth / VEHICLE_MAX_WATER_HEIGHT) / coeff);
-			}
-		}
-		else
-		{
-			if (waterDepth > VEHICLE_MAX_WATER_HEIGHT && waterHeight > VEHICLE_MAX_WATER_HEIGHT)
-				ExplodeVehicle(lara, vehicle);
-			else if (TEN::Math::Random::GenerateInt(0, 32) > 25)
-				Splash(vehicle);
-		}
-	}
-
-	return currentVelocity;
-}
-
 void DoObjectCollision(ItemInfo* laraItem, CollisionInfo* coll)
 {
 	laraItem->HitStatus = false;

TombEngine/Game/collision/collide_item.h

@@ -11,12 +11,6 @@ constexpr auto MAX_COLLIDED_OBJECTS = 1024;
 constexpr auto ITEM_RADIUS_YMAX = SECTOR(3);
 
 constexpr auto VEHICLE_COLLISION_TERMINAL_VELOCITY = 30;
-constexpr auto VEHICLE_SINK_SPEED = 15;
-constexpr auto VEHICLE_MAX_WATER_HEIGHT = CLICK(2.5f);
-constexpr auto VEHICLE_WATER_VEL_COEFFICIENT = 16.0f;
-constexpr auto VEHICLE_WATER_TURN_COEFFICIENT = 10.0f;
-constexpr auto VEHICLE_SWAMP_VEL_COEFFICIENT = 8.0f;
-constexpr auto VEHICLE_SWAMP_TURN_COEFFICIENT = 6.0f;
 
 extern BOUNDING_BOX GlobalCollisionBounds;
 extern ItemInfo* CollidedItems[MAX_COLLIDED_OBJECTS];
@@ -62,5 +56,3 @@ void TrapCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
 
 void DoProjectileDynamics(short itemNumber, int x, int y, int z, int xv, int yv, int zv);
 void DoObjectCollision(ItemInfo* item, CollisionInfo* coll);
-void DoVehicleCollision(ItemInfo* vehicle, int radius);
-int  DoVehicleWaterMovement(ItemInfo* vehicle, ItemInfo* lara, int currentVelocity, int radius, short* angle);

TombEngine/Game/collision/collide_room.cpp

@@ -123,7 +123,7 @@ CollisionResult GetCollision(ItemInfo* item)
 }
 
 // Overload used to probe point/room collision parameters from a given item's position.
-CollisionResult GetCollision(ItemInfo* item, short angle, float forward, float vertical, float lateral)
+CollisionResult GetCollision(ItemInfo* item, short angle, float forward, float up, float right)
 {
 	short tempRoomNumber = item->RoomNumber;
 
@@ -133,18 +133,18 @@ CollisionResult GetCollision(ItemInfo* item, short angle, float forward, float v
 		item->Location :
 		ROOM_VECTOR{ GetFloor(item->Pose.Position.x, item->Pose.Position.y, item->Pose.Position.z, &tempRoomNumber)->Room, item->Pose.Position.y };
 
-	auto point = TranslateVector(item->Pose.Position, angle, forward, vertical, lateral);
+	auto point = TranslateVector(item->Pose.Position, angle, forward, up, right);
 	int adjacentRoomNumber = GetRoom(location, item->Pose.Position.x, point.y, item->Pose.Position.z).roomNumber;
 	return GetCollision(point.x, point.y, point.z, adjacentRoomNumber);
 }
 
 // Overload used to probe point/room collision parameters from a given position.
-CollisionResult GetCollision(Vector3Int pos, int roomNumber, short angle, float forward, float vertical, float lateral)
+CollisionResult GetCollision(Vector3Int pos, int roomNumber, short angle, float forward, float up, float right)
 {
 	short tempRoomNumber = roomNumber;
 	auto location = ROOM_VECTOR{ GetFloor(pos.x, pos.y, pos.z, &tempRoomNumber)->Room, pos.y };
 
-	auto point = TranslateVector(pos, angle, forward, vertical, lateral);
+	auto point = TranslateVector(pos, angle, forward, up, right);
 	int adjacentRoomNumber = GetRoom(location, pos.x, point.y, pos.z).roomNumber;
 	return GetCollision(point.x, point.y, point.z, adjacentRoomNumber);
 }
@@ -173,7 +173,7 @@ CollisionResult GetCollision(FloorInfo* floor, int x, int y, int z)
 	CollisionResult result = {};
 
 	// Record coordinates.
-	result.Coordinates = Vector3(x, y, z);
+	result.Coordinates = Vector3Int(x, y, z);
 
 	// Return provided block into result as itself.
 	result.Block = floor;

TombEngine/Game/collision/collide_room.h

@@ -54,7 +54,7 @@ struct CollisionPosition
 
 struct CollisionResult
 {
-	Vector3 Coordinates;
+	Vector3Int Coordinates;
 	int RoomNumber;
 
 	FloorInfo* Block;
@@ -123,8 +123,8 @@ struct CollisionInfo
 [[nodiscard]] bool TestItemRoomCollisionAABB(ItemInfo* item);
 
 CollisionResult GetCollision(ItemInfo* item);
-CollisionResult GetCollision(ItemInfo* item, short angle, float forward, float vertical = 0.0f, float lateral = 0.0f);
+CollisionResult GetCollision(ItemInfo* item, short angle, float forward, float up = 0.0f, float right = 0.0f);
-CollisionResult GetCollision(Vector3Int pos, int roomNumber, short angle, float forward, float vertical = 0.0f, float lateral = 0.0f);
+CollisionResult GetCollision(Vector3Int pos, int roomNumber, short angle, float forward, float up = 0.0f, float right = 0.0f);
 CollisionResult GetCollision(int x, int y, int z, short roomNumber);
 CollisionResult GetCollision(FloorInfo* floor, int x, int y, int z);
 
@@ -162,3 +162,4 @@ bool TestEnvironment(RoomEnvFlags environmentType, ItemInfo* item);
 bool TestEnvironment(RoomEnvFlags environmentType, int roomNumber);
 bool TestEnvironment(RoomEnvFlags environmentType, ROOM_INFO* room);
 bool TestEnvironmentFlags(RoomEnvFlags environmentType, int flags);
+

TombEngine/Game/collision/sphere.h

@@ -17,5 +17,5 @@ struct SPHERE
 extern SPHERE LaraSpheres[MAX_SPHERES];
 extern SPHERE CreatureSpheres[MAX_SPHERES];
 
-int TestCollision(ItemInfo* item, ItemInfo* l);
+int TestCollision(ItemInfo* item, ItemInfo* laraItem);
 int GetSpheres(ItemInfo* item, SPHERE* ptr, int worldSpace, Matrix local);

TombEngine/Game/control/box.cpp

@@ -262,7 +262,7 @@ void CreatureKill(ItemInfo* item, int killAnim, int killState, int laraKillState
 	LaraItem->Animation.TargetState = laraKillState;
 
 	LaraItem->Pose = item->Pose;
-	LaraItem->Animation.Airborne = false;
+	LaraItem->Animation.IsAirborne = false;
 	LaraItem->Animation.Velocity = 0;
 	LaraItem->Animation.VerticalVelocity = 0;
 

TombEngine/Game/itemdata/itemdata.h

@@ -6,12 +6,12 @@
 #include "Game/itemdata/creature_info.h"
 #include "Game/itemdata/door_data.h"
 #include "Game/Lara/lara_struct.h"
-#include "Objects/TR2/Vehicles/boat_info.h"
+#include "Objects/TR2/Vehicles/speedboat_info.h"
 #include "Objects/TR2/Vehicles/skidoo_info.h"
 #include "Objects/TR3/Vehicles/minecart_info.h"
 #include "Objects/TR3/Vehicles/big_gun_info.h"
 #include "Objects/TR3/Vehicles/kayak_info.h"
-#include "Objects/TR3/Vehicles/quad_info.h"
+#include "Objects/TR3/Vehicles/quad_bike_info.h"
 #include "Objects/TR3/Vehicles/rubber_boat_info.h"
 #include "Objects/TR3/Vehicles/upv_info.h"
 #include "Objects/TR4/Vehicles/jeep_info.h"
@@ -46,23 +46,23 @@ class ITEM_DATA
 		double,
 		long double,
 		std::array<short, 4>,
+		GameVector,
+		DOOR_DATA,
+		PushableInfo,
 		ItemInfo*,
+		LaraInfo*,
 		CreatureInfo,
+		WraithInfo,
 		LaserHeadInfo,
-		QuadInfo,
+		QuadBikeInfo,
 		BigGunInfo,
 		MotorbikeInfo,
 		JeepInfo,
-		LaraInfo*,
 		KayakInfo,
-		DOOR_DATA,
 		SkidooInfo,
 		UPVInfo,
-		SpeedBoatInfo,
+		SpeedboatInfo,
-		GameVector,
-		WraithInfo,
 		RubberBoatInfo,
-		PushableInfo,
 		MinecartInfo
 	> data;
 	public:

TombEngine/Game/items.cpp

@@ -462,7 +462,7 @@ void InitialiseItem(short itemNumber)
 
 	item->Active = false;
 	item->Status = ITEM_NOT_ACTIVE;
-	item->Animation.Airborne = false;
+	item->Animation.IsAirborne = false;
 	item->HitStatus = false;
 	item->Collidable = true;
 	item->LookedAt = false;

TombEngine/Game/items.h

@@ -22,31 +22,31 @@ constexpr auto NUM_ITEMS = 1024;
 
 enum AIObjectType
 {
-	NO_AI = 0x0000,
+	NO_AI	  = 0,
-	GUARD = 0x0001,
+	GUARD	  = (1 << 0),
-	AMBUSH = 0x0002,
+	AMBUSH	  = (1 << 1),
-	PATROL1 = 0x0004,
+	PATROL1	  = (1 << 2),
-	MODIFY = 0x0008,
+	MODIFY	  = (1 << 3),
-	FOLLOW = 0x0010,
+	FOLLOW	  = (1 << 4),
-	PATROL2 = 0x0020,
+	PATROL2	  = (1 << 5),
 	ALL_AIOBJ = (GUARD | AMBUSH | PATROL1 | MODIFY | FOLLOW | PATROL2)
 };
 
 enum ItemStatus
 {
-	ITEM_NOT_ACTIVE = 0,
+	ITEM_NOT_ACTIVE	 = 0,
-	ITEM_ACTIVE = 1,
+	ITEM_ACTIVE		 = 1,
 	ITEM_DEACTIVATED = 2,
-	ITEM_INVISIBLE = 3
+	ITEM_INVISIBLE	 = 3
 };
 
 enum ItemFlags
 {
-	IFLAG_CLEAR_BODY = (1 << 7), // 0x0080
+	IFLAG_CLEAR_BODY	  = (1 << 7),  // 0x0080
-	IFLAG_INVISIBLE = (1 << 8),  // 0x0100
+	IFLAG_INVISIBLE		  = (1 << 8),  // 0x0100
-	IFLAG_REVERSE = (1 << 14),	 // 0x4000
+	IFLAG_REVERSE		  = (1 << 14), // 0x4000
-	IFLAG_KILLED = (1 << 15),    // 0x8000
+	IFLAG_KILLED		  = (1 << 15), // 0x8000
-	IFLAG_ACTIVATION_MASK = 0x3E00 // bits 9-13
+	IFLAG_ACTIVATION_MASK = 0x3E00	   // bits 9-13
 };
 
 constexpr unsigned int ALL_JOINT_BITS = UINT_MAX;
@@ -67,7 +67,7 @@ struct EntityAnimationData
 	int TargetState;
 	int RequiredState; // TODO: Phase out this weird feature.
 
-	bool Airborne;
+	bool IsAirborne;
 	int Velocity;
 	int VerticalVelocity;
 	int LateralVelocity;
@@ -85,8 +85,10 @@ struct ItemInfo
 
 	ITEM_DATA Data;
 	EntityAnimationData Animation;
-	PHD_3DPOS Pose;
 	PHD_3DPOS StartPose;
+	PHD_3DPOS Pose;
+	ROOM_VECTOR Location;
+	short RoomNumber;
 	int Floor;
 
 	int HitPoints;
@@ -95,8 +97,6 @@ struct ItemInfo
 	bool Collidable;
 	bool InDrawRoom;
 
-	ROOM_VECTOR Location;
-	short RoomNumber;
 	int BoxNumber;
 	int Timer;
 	short Shade;

TombEngine/Game/savegame.cpp

@@ -339,7 +339,7 @@ bool SaveGame::Save(int slot)
 		CarriedWeaponInfo* info = &Lara.Weapons[i];
 		
 		std::vector<flatbuffers::Offset<Save::AmmoInfo>> ammos;
-		for (int j = 0; j < (int)WeaponAmmoType::NumAmmos; j++)
+		for (int j = 0; j < (int)WeaponAmmoType::NumAmmoTypes; j++)
 		{
 			Save::AmmoInfoBuilder ammo{ fbb };
 			ammo.add_count(info->Ammo[j].getCount());
@@ -466,9 +466,9 @@ bool SaveGame::Save(int slot)
 			creatureBuilder.add_ai_target_number(creature->AITargetNumber);
 			creatureOffset = creatureBuilder.Finish();
 		}
-		else if (itemToSerialize.Data.is<QuadInfo>())
+		else if (itemToSerialize.Data.is<QuadBikeInfo>())
 		{
-			auto quad = (QuadInfo*)itemToSerialize.Data;
+			auto quad = (QuadBikeInfo*)itemToSerialize.Data;
 
 			Save::QuadBikeBuilder quadBuilder{ fbb };
 
@@ -496,13 +496,13 @@ bool SaveGame::Save(int slot)
 
 			Save::UPVBuilder upvBuilder{ fbb };
 
-			upvBuilder.add_fan_rot(upv->FanRot);
+			upvBuilder.add_fan_rot(upv->TurbineRotation);
 			upvBuilder.add_flags(upv->Flags);
 			upvBuilder.add_harpoon_left(upv->HarpoonLeft);
 			upvBuilder.add_harpoon_timer(upv->HarpoonTimer);
-			upvBuilder.add_rot(upv->Rot);
+			upvBuilder.add_rot(upv->TurnRate.y);
 			upvBuilder.add_velocity(upv->Velocity);
-			upvBuilder.add_x_rot(upv->XRot);
+			upvBuilder.add_x_rot(upv->TurnRate.x);
 			upvOffset = upvBuilder.Finish();
 		}
 		else if (itemToSerialize.Data.is<MinecartInfo>())
@@ -534,15 +534,15 @@ bool SaveGame::Save(int slot)
 			kayakBuilder.add_flags(kayak->Flags);
 			kayakBuilder.add_forward(kayak->Forward);
 			kayakBuilder.add_front_vertical_velocity(kayak->FrontVerticalVelocity);
-			kayakBuilder.add_left_right_count(kayak->LeftRightCount);
+			kayakBuilder.add_left_right_count(kayak->LeftRightPaddleCount);
 			kayakBuilder.add_left_vertical_velocity(kayak->LeftVerticalVelocity);
 			kayakBuilder.add_old_pos(&Save::Position(
-				kayak->OldPos.Position.x, 
+				kayak->OldPose.Position.x, 
-				kayak->OldPos.Position.y, 
+				kayak->OldPose.Position.y, 
-				kayak->OldPos.Position.z, 
+				kayak->OldPose.Position.z, 
-				kayak->OldPos.Orientation.x, 
+				kayak->OldPose.Orientation.x, 
-				kayak->OldPos.Orientation.y, 
+				kayak->OldPose.Orientation.y, 
-				kayak->OldPos.Orientation.z));
+				kayak->OldPose.Orientation.z));
 			kayakBuilder.add_right_vertical_velocity(kayak->RightVerticalVelocity);
 			kayakBuilder.add_true_water(kayak->TrueWater);
 			kayakBuilder.add_turn(kayak->Turn);
@@ -601,7 +601,7 @@ bool SaveGame::Save(int slot)
 		serializedItem.add_triggered((itemToSerialize.Flags & (TRIGGERED | CODE_BITS | ONESHOT)) != 0);
 		serializedItem.add_active(itemToSerialize.Active);
 		serializedItem.add_status(itemToSerialize.Status);
-		serializedItem.add_airborne(itemToSerialize.Animation.Airborne);
+		serializedItem.add_is_airborne(itemToSerialize.Animation.IsAirborne);
 		serializedItem.add_hit_stauts(itemToSerialize.HitStatus);
 		serializedItem.add_ai_bits(itemToSerialize.AIBits);
 		serializedItem.add_collidable(itemToSerialize.Collidable);
@@ -614,7 +614,7 @@ bool SaveGame::Save(int slot)
 			serializedItem.add_data_type(Save::ItemData::Creature);
 			serializedItem.add_data(creatureOffset.Union());
 		}
-		else if (itemToSerialize.Data.is<QuadInfo>())
+		else if (itemToSerialize.Data.is<QuadBikeInfo>())
 		{
 			serializedItem.add_data_type(Save::ItemData::QuadBike);
 			serializedItem.add_data(quadOffset.Union());
@@ -1284,7 +1284,7 @@ bool SaveGame::Load(int slot)
 		item->HitStatus = savedItem->hit_stauts();
 		item->Status = savedItem->status();
 		item->AIBits = savedItem->ai_bits();
-		item->Animation.Airborne = savedItem->airborne();
+		item->Animation.IsAirborne = savedItem->is_airborne();
 		item->Collidable = savedItem->collidable();
 		item->LookedAt = savedItem->looked_at();
 
@@ -1346,75 +1346,75 @@ bool SaveGame::Load(int slot)
 			creature->Tosspad = savedCreature->tosspad();
 			SetBaddyTarget(i, savedCreature->ai_target_number());
 		}
-		else if (item->Data.is<QuadInfo>())
+		else if (item->Data.is<QuadBikeInfo>())
 		{
-			auto quad = (QuadInfo*)item->Data;
+			auto* quadBike = (QuadBikeInfo*)item->Data;
-			auto savedQuad = (Save::QuadBike*)savedItem->data();
+			auto* savedQuad = (Save::QuadBike*)savedItem->data();
 
-			quad->CanStartDrift = savedQuad->can_start_drift();
+			quadBike->CanStartDrift = savedQuad->can_start_drift();
-			quad->DriftStarting = savedQuad->drift_starting();
+			quadBike->DriftStarting = savedQuad->drift_starting();
-			quad->EngineRevs = savedQuad->engine_revs();
+			quadBike->EngineRevs = savedQuad->engine_revs();
-			quad->ExtraRotation = savedQuad->extra_rotation();
+			quadBike->ExtraRotation = savedQuad->extra_rotation();
-			quad->Flags = savedQuad->flags();
+			quadBike->Flags = savedQuad->flags();
-			quad->FrontRot = savedQuad->front_rot();
+			quadBike->FrontRot = savedQuad->front_rot();
-			quad->LeftVerticalVelocity = savedQuad->left_vertical_velocity();
+			quadBike->LeftVerticalVelocity = savedQuad->left_vertical_velocity();
-			quad->MomentumAngle = savedQuad->momentum_angle();
+			quadBike->MomentumAngle = savedQuad->momentum_angle();
-			quad->NoDismount = savedQuad->no_dismount();
+			quadBike->NoDismount = savedQuad->no_dismount();
-			quad->Pitch = savedQuad->pitch();
+			quadBike->Pitch = savedQuad->pitch();
-			quad->RearRot = savedQuad->rear_rot();
+			quadBike->RearRot = savedQuad->rear_rot();
-			quad->Revs = savedQuad->revs();
+			quadBike->Revs = savedQuad->revs();
-			quad->RightVerticalVelocity = savedQuad->right_vertical_velocity();
+			quadBike->RightVerticalVelocity = savedQuad->right_vertical_velocity();
-			quad->SmokeStart = savedQuad->smoke_start();
+			quadBike->SmokeStart = savedQuad->smoke_start();
-			quad->TurnRate = savedQuad->turn_rate();
+			quadBike->TurnRate = savedQuad->turn_rate();
-			quad->Velocity = savedQuad->velocity();
+			quadBike->Velocity = savedQuad->velocity();
 		}
 		else if (item->Data.is<UPVInfo>())
 		{
-			auto upv = (UPVInfo*)item->Data;
+			auto* upv = (UPVInfo*)item->Data;
-			auto savedUpv = (Save::UPV*)savedItem->data();
+			auto* savedUpv = (Save::UPV*)savedItem->data();
 
-			upv->FanRot = savedUpv->fan_rot();
+			upv->TurbineRotation = savedUpv->fan_rot();
 			upv->Flags = savedUpv->flags();
 			upv->HarpoonLeft = savedUpv->harpoon_left();
 			upv->HarpoonTimer = savedUpv->harpoon_timer();
-			upv->Rot = savedUpv->rot();
+			upv->TurnRate.y = savedUpv->rot();
 			upv->Velocity = savedUpv->velocity();
-			upv->XRot = savedUpv->x_rot();
+			upv->TurnRate.x = savedUpv->x_rot();
 		}
 		else if (item->Data.is<MinecartInfo>())
 		{
-			auto mine = (MinecartInfo*)item->Data;
+			auto* minecart = (MinecartInfo*)item->Data;
-			auto savedMine = (Save::Minecart*)savedItem->data();
+			auto* savedMine = (Save::Minecart*)savedItem->data();
 
-			mine->Flags = savedMine->flags();
+			minecart->Flags = savedMine->flags();
-			mine->FloorHeightFront = savedMine->floor_height_front();
+			minecart->FloorHeightFront = savedMine->floor_height_front();
-			mine->FloorHeightMiddle = savedMine->floor_height_middle();
+			minecart->FloorHeightMiddle = savedMine->floor_height_middle();
-			mine->Gradient = savedMine->gradient();
+			minecart->Gradient = savedMine->gradient();
-			mine->StopDelay = savedMine->stop_delay();
+			minecart->StopDelay = savedMine->stop_delay();
-			mine->TurnLen = savedMine->turn_len();
+			minecart->TurnLen = savedMine->turn_len();
-			mine->TurnRot = savedMine->turn_rot();
+			minecart->TurnRot = savedMine->turn_rot();
-			mine->TurnX = savedMine->turn_x();
+			minecart->TurnX = savedMine->turn_x();
-			mine->TurnZ = savedMine->turn_z();
+			minecart->TurnZ = savedMine->turn_z();
-			mine->Velocity = savedMine->velocity();
+			minecart->Velocity = savedMine->velocity();
-			mine->VerticalVelocity = savedMine->vertical_velocity();
+			minecart->VerticalVelocity = savedMine->vertical_velocity();
 		}
 		else if (item->Data.is<KayakInfo>())
 		{
-			auto kayak = (KayakInfo*)item->Data;
+			auto* kayak = (KayakInfo*)item->Data;
-			auto savedKayak = (Save::Kayak*)savedItem->data();
+			auto* savedKayak = (Save::Kayak*)savedItem->data();
 
 			kayak->CurrentStartWake = savedKayak->flags();
 			kayak->Flags = savedKayak->flags();
 			kayak->Forward = savedKayak->forward();
 			kayak->FrontVerticalVelocity = savedKayak->front_vertical_velocity();
-			kayak->LeftRightCount = savedKayak->left_right_count();
+			kayak->LeftRightPaddleCount = savedKayak->left_right_count();
 			kayak->LeftVerticalVelocity = savedKayak->left_vertical_velocity();
-			kayak->OldPos.Position.x = savedKayak->old_pos()->x_pos();
+			kayak->OldPose.Position.x = savedKayak->old_pos()->x_pos();
-			kayak->OldPos.Position.y = savedKayak->old_pos()->y_pos();
+			kayak->OldPose.Position.y = savedKayak->old_pos()->y_pos();
-			kayak->OldPos.Position.z = savedKayak->old_pos()->z_pos();
+			kayak->OldPose.Position.z = savedKayak->old_pos()->z_pos();
-			kayak->OldPos.Orientation.x = savedKayak->old_pos()->x_rot();
+			kayak->OldPose.Orientation.x = savedKayak->old_pos()->x_rot();
-			kayak->OldPos.Orientation.y = savedKayak->old_pos()->y_rot();
+			kayak->OldPose.Orientation.y = savedKayak->old_pos()->y_rot();
-			kayak->OldPos.Orientation.z = savedKayak->old_pos()->z_rot();
+			kayak->OldPose.Orientation.z = savedKayak->old_pos()->z_rot();
 			kayak->RightVerticalVelocity = savedKayak->right_vertical_velocity();
 			kayak->TrueWater = savedKayak->true_water();
 			kayak->Turn = savedKayak->turn();
@@ -1425,21 +1425,21 @@ bool SaveGame::Load(int slot)
 		}
 		else if (savedItem->data_type() == Save::ItemData::Short)
 		{
-			auto data = savedItem->data();
+			auto* data = savedItem->data();
-			auto savedData = (Save::Short*)data;
+			auto* savedData = (Save::Short*)data;
 			item->Data = savedData->scalar();
 		}
 		else if (savedItem->data_type() == Save::ItemData::Int)
 		{
-			auto data = savedItem->data();
+			auto* data = savedItem->data();
-			auto savedData = (Save::Int*)data;
+			auto* savedData = (Save::Int*)data;
 			item->Data = savedData->scalar();
 		}
 	}
 
 	for (int i = 0; i < s->particles()->size(); i++)
 	{
-		auto particleInfo = s->particles()->Get(i);
+		auto* particleInfo = s->particles()->Get(i);
 		auto* particle = &Particles[i];
 
 		particle->x = particleInfo->x();
@@ -1483,7 +1483,7 @@ bool SaveGame::Load(int slot)
 
 	for (int i = 0; i < s->bats()->size(); i++)
 	{
-		auto batInfo = s->bats()->Get(i);
+		auto* batInfo = s->bats()->Get(i);
 		auto* bat = &Bats[i];
 
 		bat->On = batInfo->on();
@@ -1515,7 +1515,7 @@ bool SaveGame::Load(int slot)
 
 	for (int i = 0; i < s->spiders()->size(); i++)
 	{
-		auto spiderInfo = s->spiders()->Get(i);
+		auto* spiderInfo = s->spiders()->Get(i);
 		auto* spider = &Spiders[i];
 
 		spider->On = spiderInfo->on();

TombEngine/Objects/Effects/flame_emitters.cpp

@@ -657,7 +657,7 @@ namespace TEN::Entities::Effects
 			!(TrInput & IN_ACTION) ||
 			laraItem->Animation.ActiveState != LS_IDLE ||
 			laraItem->Animation.AnimNumber != LA_STAND_IDLE ||
-			laraItem->Animation.Airborne)
+			laraItem->Animation.IsAirborne)
 		{
 			if (item->ObjectNumber == ID_BURNING_ROOTS)
 				ObjectCollision(itemNumber, laraItem, coll);

TombEngine/Objects/Generic/Doors/double_doors.cpp

@@ -44,7 +44,7 @@ namespace TEN::Entities::Doors
 			laraItem->Animation.ActiveState == LS_IDLE &&
 			laraItem->Animation.AnimNumber == LA_STAND_IDLE &&
 			!laraItem->HitStatus &&
-			!(doorItem->Status && doorItem->Animation.Airborne) &&
+			!(doorItem->Status && doorItem->Animation.IsAirborne) &&
 			laraInfo->Control.HandStatus == HandStatus::Free ||
 			laraInfo->Control.IsMoving && laraInfo->InteractedItem == itemNumber)
 		{

TombEngine/Objects/Generic/Doors/generic_doors.cpp

@@ -170,7 +170,7 @@ namespace TEN::Entities::Doors
 		auto* doorItem = &g_Level.Items[itemNumber];
 
 		if (doorItem->TriggerFlags == 2 &&
-			doorItem->Status == ITEM_NOT_ACTIVE && !doorItem->Animation.Airborne && // CHECK
+			doorItem->Status == ITEM_NOT_ACTIVE && !doorItem->Animation.IsAirborne && // CHECK
 			((TrInput & IN_ACTION || g_Gui.GetInventoryItemChosen() == ID_CROWBAR_ITEM) &&
 				laraItem->Animation.ActiveState == LS_IDLE &&
 				laraItem->Animation.AnimNumber == LA_STAND_IDLE &&

TombEngine/Objects/Generic/Doors/underwater_door.cpp

@@ -43,7 +43,7 @@ namespace TEN::Entities::Doors
 		if (TrInput & IN_ACTION &&
 			laraItem->Animation.ActiveState == LS_UNDERWATER_IDLE &&
 			laraInfo->Control.WaterStatus == WaterStatus::Underwater &&
-			!(doorItem->Status && doorItem->Animation.Airborne) &&
+			!(doorItem->Status && doorItem->Animation.IsAirborne) &&
 			laraInfo->Control.HandStatus == HandStatus::Free ||
 			laraInfo->Control.IsMoving && laraInfo->InteractedItem == itemNumber)
 		{

TombEngine/Objects/Generic/Object/burning_torch.cpp

@@ -83,7 +83,7 @@ namespace TEN::Entities::Generic
 				Lara.Torch.State = TorchState::Dropping;
 			}
 			else if (TrInput & IN_DRAW &&
-				!LaraItem->Animation.Airborne &&
+				!LaraItem->Animation.IsAirborne &&
 				!LaraItem->Animation.VerticalVelocity &&
 				LaraItem->Animation.ActiveState != LS_JUMP_PREPARE &&
 				LaraItem->Animation.ActiveState != LS_JUMP_UP &&
@@ -104,7 +104,7 @@ namespace TEN::Entities::Generic
 		}
 		else if (Lara.Torch.State == TorchState::Throwing)
 		{
-			if (Lara.LeftArm.FrameNumber < 12 && LaraItem->Animation.Airborne)
+			if (Lara.LeftArm.FrameNumber < 12 && LaraItem->Animation.IsAirborne)
 			{
 				Lara.LeftArm.Locked = false;
 				Lara.LeftArm.FrameNumber = 0;
@@ -304,7 +304,7 @@ namespace TEN::Entities::Generic
 		if (!(TrInput & IN_ACTION) ||
 			laraItem->Animation.ActiveState != LS_IDLE ||
 			laraItem->Animation.AnimNumber != LA_STAND_IDLE ||
-			laraItem->Animation.Airborne ||
+			laraItem->Animation.IsAirborne ||
 			laraInfo->Control.Weapon.GunType != LaraWeaponType::Torch ||
 			laraInfo->Control.HandStatus != HandStatus::WeaponReady ||
 			laraInfo->LeftArm.Locked ||

TombEngine/Objects/Generic/Object/generic_trapdoor.cpp

@@ -70,7 +70,7 @@ void CeilingTrapDoorCollision(short itemNumber, ItemInfo* laraItem, CollisionInf
 
 	if (TrInput & IN_ACTION &&
 		laraItem->Animation.ActiveState == LS_JUMP_UP &&
-		laraItem->Animation.Airborne &&
+		laraItem->Animation.IsAirborne &&
 		laraInfo->Control.HandStatus == HandStatus::Free &&
 		trapDoorItem->Status != ITEM_ACTIVE &&
 		itemIsAbove &&
@@ -82,7 +82,7 @@ void CeilingTrapDoorCollision(short itemNumber, ItemInfo* laraItem, CollisionInf
 		
 		ResetLaraFlex(laraItem);
 		laraItem->Animation.VerticalVelocity = 0;
-		laraItem->Animation.Airborne = false;
+		laraItem->Animation.IsAirborne = false;
 		laraItem->Animation.AnimNumber = LA_TRAPDOOR_CEILING_OPEN;
 		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
 		laraItem->Animation.ActiveState = LS_FREEFALL_BIS;

TombEngine/Objects/Generic/Object/objects.cpp

@@ -219,7 +219,7 @@ void HorizontalBarCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo*
 			laraItem->Animation.AnimNumber = LA_SWINGBAR_GRAB;
 			laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
 			laraItem->Animation.VerticalVelocity = false;
-			laraItem->Animation.Airborne = false;
+			laraItem->Animation.IsAirborne = false;
 
 			ResetLaraFlex(barItem);
 

TombEngine/Objects/Generic/Object/polerope.cpp

@@ -74,7 +74,7 @@ namespace TEN::Entities::Generic
 		}
 		else if (TrInput & IN_ACTION && isLara &&
 			     laraInfo->Control.HandStatus == HandStatus::Free && 
-				 laraItem->Animation.Airborne && 
+				 laraItem->Animation.IsAirborne && 
 				 laraItem->Animation.VerticalVelocity > (int)laraInfo->Control.HandStatus &&	// ?????
 				 laraItem->Animation.ActiveState == LS_REACH || laraItem->Animation.ActiveState == LS_JUMP_UP)
 		{
@@ -103,7 +103,7 @@ namespace TEN::Entities::Generic
 
 					laraItem->Animation.ActiveState = LS_POLE_IDLE;
 					laraItem->Animation.VerticalVelocity = 0;
-					laraItem->Animation.Airborne = false;
+					laraItem->Animation.IsAirborne = false;
 					laraInfo->Control.HandStatus = HandStatus::Busy;
 					poleItem->Pose.Orientation.y = rot;
 				}

TombEngine/Objects/Generic/Object/rope.cpp

@@ -181,7 +181,7 @@ namespace TEN::Entities::Generic
 		if (TrInput & IN_ACTION &&
 			laraInfo->Control.HandStatus == HandStatus::Free &&
 			(laraItem->Animation.ActiveState == LS_REACH || laraItem->Animation.ActiveState == LS_JUMP_UP) &&
-			laraItem->Animation.Airborne &&
+			laraItem->Animation.IsAirborne &&
 			laraItem->Animation.VerticalVelocity > 0&&
 			rope->active)
 		{
@@ -211,7 +211,7 @@ namespace TEN::Entities::Generic
 
 				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
 				laraItem->Animation.VerticalVelocity = 0;
-				laraItem->Animation.Airborne = false;
+				laraItem->Animation.IsAirborne = false;
 
 				laraInfo->Control.HandStatus = HandStatus::Busy;
 				laraInfo->Control.Rope.Ptr = ropeItem->TriggerFlags;
@@ -644,7 +644,7 @@ namespace TEN::Entities::Generic
 			}
 
 			item->Pose.Orientation.x = 0;
-			item->Animation.Airborne = true;
+			item->Animation.IsAirborne = true;
 
 			Lara.Control.HandStatus = HandStatus::Free;
 
@@ -671,7 +671,7 @@ namespace TEN::Entities::Generic
 		SetAnimation(item, stumble ? LA_JUMP_WALL_SMASH_START : LA_FALL_START);
 
 		item->Animation.VerticalVelocity = 0;
-		item->Animation.Airborne = true;
+		item->Animation.IsAirborne = true;
 
 		auto* lara = GetLaraInfo(item);
 		lara->Control.HandStatus = HandStatus::Free;

TombEngine/Objects/Generic/Switches/cog_switch.cpp

@@ -67,12 +67,12 @@ namespace TEN::Entities::Switches
 
 		if (switchItem->Status == ITEM_NOT_ACTIVE)
 		{
-			if (!(switchItem->Flags & ONESHOT) &&
+			if (!(switchItem->Flags & IFLAG_INVISIBLE) &&
 				(TrInput & IN_ACTION &&
 					laraItem->Animation.ActiveState == LS_IDLE &&
 					laraItem->Animation.AnimNumber == LA_STAND_IDLE &&
 					lara->Control.HandStatus == HandStatus::Free &&
-					!switchItem->Animation.Airborne ||
+					!switchItem->Animation.IsAirborne ||
 					lara->Control.IsMoving &&
 					lara->InteractedItem == itemNum))
 			{

TombEngine/Objects/Generic/Switches/generic_switch.cpp

@@ -31,7 +31,7 @@ namespace TEN::Entities::Switches
 
 		switchItem->Flags |= 0x3E00;
 
-		if (!TriggerActive(switchItem) && !(switchItem->Flags & ONESHOT))
+		if (!TriggerActive(switchItem) && !(switchItem->Flags & IFLAG_INVISIBLE))
 		{
 			if (switchItem->ObjectNumber == ID_JUMP_SWITCH)
 			{

TombEngine/Objects/Generic/Switches/jump_switch.cpp

@@ -32,7 +32,7 @@ namespace TEN::Entities::Switches
 
 		if (TrInput & IN_ACTION &&
 			(laraItem->Animation.ActiveState == LS_REACH || laraItem->Animation.ActiveState == LS_JUMP_UP) &&
-			(laraItem->Status || laraItem->Animation.Airborne) &&
+			(laraItem->Status || laraItem->Animation.IsAirborne) &&
 			laraItem->Animation.VerticalVelocity > 0 &&
 			laraInfo->Control.HandStatus == HandStatus::Free &&
 			!switchItem->Animation.ActiveState)
@@ -45,7 +45,7 @@ namespace TEN::Entities::Switches
 				laraItem->Animation.AnimNumber = LA_JUMPSWITCH_PULL;
 				laraItem->Animation.VerticalVelocity = 0;
 				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-				laraItem->Animation.Airborne = false;
+				laraItem->Animation.IsAirborne = false;
 				laraInfo->Control.HandStatus = HandStatus::Busy;
 				switchItem->Animation.TargetState = SWITCH_ON;
 				switchItem->Status = ITEM_ACTIVE;

TombEngine/Objects/Generic/Switches/pulley_switch.cpp

@@ -49,7 +49,7 @@ namespace TEN::Entities::Switches
 		if (TrInput & IN_ACTION &&
 			laraItem->Animation.ActiveState == LS_IDLE &&
 			laraItem->Animation.AnimNumber == LA_STAND_IDLE &&
-			laraItem->Animation.Airborne == false &&
+			laraItem->Animation.IsAirborne == false &&
 			laraInfo->Control.HandStatus == HandStatus::Free ||
 			laraInfo->Control.IsMoving && laraInfo->InteractedItem == itemNumber)
 		{

TombEngine/Objects/Generic/Switches/turn_switch.cpp

@@ -58,7 +58,7 @@ namespace TEN::Entities::Switches
 		if (TrInput & IN_ACTION &&
 			laraItem->Animation.ActiveState == LS_IDLE &&
 			laraItem->Animation.AnimNumber == LA_STAND_IDLE &&
-			laraItem->Animation.Airborne == false &&
+			laraItem->Animation.IsAirborne == false &&
 			laraInfo->Control.HandStatus == HandStatus::Free &&
 			switchItem->Animation.ActiveState == TURN_SWITCH_STOP ||
 			laraInfo->Control.IsMoving && laraInfo->InteractedItem == itemNumber)

TombEngine/Objects/TR1/Entity/tr1_ape.cpp

@@ -30,7 +30,7 @@ namespace TEN::Entities::TR1
 
 	constexpr auto SHIFT = 75;
 
-	#define APE_RUN_TURN_ANGLE ANGLE(5.0f)
+	#define APE_RUN_TURN_RATE_MAX ANGLE(5.0f)
 	#define APE_DISPLAY_ANGLE ANGLE(45.0f)
 
 	enum ApeState
@@ -238,7 +238,7 @@ namespace TEN::Entities::TR1
 				break;
 
 			case APE_STATE_RUN_FORWARD:
-				creatureInfo->MaxTurn = APE_RUN_TURN_ANGLE;
+				creatureInfo->MaxTurn = APE_RUN_TURN_RATE_MAX;
 
 				if (creatureInfo->Flags == 0 &&
 					AI.angle > -APE_DISPLAY_ANGLE &&

TombEngine/Objects/TR1/Entity/tr1_bear.cpp

@@ -32,8 +32,8 @@ namespace TEN::Entities::TR1
 	constexpr auto BEAR_REAR_CHANCE = 0x300;
 	constexpr auto BEAR_DROP_CHANCE = 0x600;
 
-	#define BEAR_WALK_TURN_ANGLE ANGLE(2.0f)
+	#define BEAR_WALK_TURN_RATE_MAX ANGLE(2.0f)
-	#define BEAR_RUN_TURN_ANGLE ANGLE(5.0f)
+	#define BEAR_RUN_TURN_RATE_MAX ANGLE(5.0f)
 
 	enum BearState
 	{
@@ -163,7 +163,7 @@ namespace TEN::Entities::TR1
 				break;
 
 			case BEAR_STATE_STROLL:
-				creature->MaxTurn = BEAR_WALK_TURN_ANGLE;
+				creature->MaxTurn = BEAR_WALK_TURN_RATE_MAX;
 
 				if (laraDead && item->TestBits(JointBitType::Touch, BearAttackJoints) && AI.ahead)
 					item->Animation.TargetState = BEAR_STATE_IDLE;
@@ -183,7 +183,7 @@ namespace TEN::Entities::TR1
 				break;
 
 			case BEAR_STATE_RUN_FORWARD:
-				creature->MaxTurn = BEAR_RUN_TURN_ANGLE;
+				creature->MaxTurn = BEAR_RUN_TURN_RATE_MAX;
 
 				if (item->TestBits(JointBitType::Touch, BearAttackJoints))
 				{

TombEngine/Objects/TR1/Entity/tr1_doppelganger.cpp

@@ -92,12 +92,12 @@ namespace TEN::Entities::TR1
 
 			// Compare floor heights.
 			if (item->Floor >= laraFloorHeight + SECTOR(1) + 1 &&	// Add 1 to avoid bacon Lara dying when exiting water.
-				!LaraItem->Animation.Airborne)
+				!LaraItem->Animation.IsAirborne)
 			{
 				SetAnimation(item, LA_JUMP_WALL_SMASH_START);
 				item->Animation.Velocity = 0;
 				item->Animation.VerticalVelocity = 0;
-				item->Animation.Airborne = true;
+				item->Animation.IsAirborne = true;
 				item->Data = -1;
 				item->Pose.Position.y += 50;
 			}
@@ -115,7 +115,7 @@ namespace TEN::Entities::TR1
 				TestTriggers(item, true);
 
 				item->Animation.VerticalVelocity = 0;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				item->Animation.TargetState = LS_DEATH;
 				item->Animation.RequiredState = LS_DEATH;
 			}

TombEngine/Objects/TR1/Entity/tr1_giant_mutant.cpp

@@ -95,7 +95,7 @@ namespace TEN::Entities::TR1
 			{
 			case MUTANT_STATE_SET:
 				item->Animation.TargetState = MUTANT_STATE_FALL;
-				item->Animation.Airborne = true;
+				item->Animation.IsAirborne = true;
 				break;
 
 			case MUTANT_STATE_IDLE:
@@ -204,7 +204,7 @@ namespace TEN::Entities::TR1
 					LaraItem->Pose.Position.z = item->Pose.Position.z;
 					LaraItem->Pose.Orientation.y = item->Pose.Orientation.y;
 					LaraItem->Pose.Orientation.x = LaraItem->Pose.Orientation.z = 0;
-					LaraItem->Animation.Airborne = false;
+					LaraItem->Animation.IsAirborne = false;
 					LaraItem->HitPoints = -1;
 					Lara.Air = -1;
 					Lara.Control.HandStatus = HandStatus::Busy;
@@ -229,7 +229,7 @@ namespace TEN::Entities::TR1
 			if (item->Pose.Position.y > item->Floor)
 			{
 				item->Animation.TargetState = MUTANT_STATE_IDLE;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				item->Pose.Position.y = item->Floor;
 				Camera.bounce = 500;
 			}

TombEngine/Objects/TR1/Entity/tr1_natla.cpp

@@ -88,13 +88,13 @@ namespace TEN::Entities::TR1
 			case NATLA_STATE_FALL:
 				if (item->Pose.Position.y < item->Floor)
 				{
-					item->Animation.Airborne = true;
+					item->Animation.IsAirborne = true;
 					item->Animation.Velocity = 0;
 				}
 				else
 				{
 					item->Animation.TargetState = NATLA_STATE_SEMI_DEATH;
-					item->Animation.Airborne = 0;
+					item->Animation.IsAirborne = 0;
 					item->Pose.Position.y = item->Floor;
 					timer = 0;
 				}

TombEngine/Objects/TR2/Entity/tr2_dragon.cpp

@@ -180,7 +180,7 @@ void DragonCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
 			if ((anim == DRAGON_ANIM_DEAD || (anim == DRAGON_ANIM_DEAD + 1 && frame <= DRAGON_ALMOST_LIVE)) &&
 				TrInput & IN_ACTION &&
 				item->ObjectNumber == ID_DRAGON_BACK &&
-				!laraItem->Animation.Airborne &&
+				!laraItem->Animation.IsAirborne &&
 				shift <= DRAGON_MID && 
 				shift > (DRAGON_CLOSE - 350) &&
 				sideShift > -350 &&
@@ -194,7 +194,7 @@ void DragonCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
 				laraItem->Animation.TargetState = 7;
 
 				laraItem->Pose = item->Pose;
-				laraItem->Animation.Airborne = false;
+				laraItem->Animation.IsAirborne = false;
 				laraItem->Animation.Velocity = 0;
 				laraItem->Animation.VerticalVelocity = 0;
 

TombEngine/Objects/TR2/Entity/tr2_eagle_or_crow.cpp

@@ -64,7 +64,7 @@ void EagleControl(short itemNumber)
 			{
 				item->Pose.Position.y = item->Floor;
 				item->Animation.VerticalVelocity = 0;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				item->Animation.TargetState = 5;
 			}
 
@@ -83,7 +83,7 @@ void EagleControl(short itemNumber)
 			item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 			item->Animation.ActiveState = 4;
 			item->Animation.Velocity = 0;
-			item->Animation.Airborne = true;
+			item->Animation.IsAirborne = true;
 			break;
 		}
 		item->Pose.Orientation.x = 0;

TombEngine/Objects/TR2/Entity/tr2_skidman.cpp

@@ -240,13 +240,13 @@ void SkidooManControl(short riderItemNumber)
 		riderItem->Animation.FrameNumber = item->Animation.FrameNumber + (g_Level.Anims[riderItem->Animation.AnimNumber].frameBase - g_Level.Anims[item->Animation.AnimNumber].frameBase);
 	}
 	else if (riderItem->Status == ITEM_DEACTIVATED &&
-		item->Animation.Velocity == 0 &&
+			 item->Animation.Velocity == 0 &&
-		item->Animation.VerticalVelocity == 0)
+			 item->Animation.VerticalVelocity == 0)
 	{
 		RemoveActiveItem(riderItemNumber);
 		riderItem->Collidable = false;
 		riderItem->HitPoints = NOT_TARGETABLE;
-		riderItem->Flags |= ONESHOT;
+		riderItem->Flags |= IFLAG_INVISIBLE;
 
 		DisableEntityAI(itemNumber);
 		item->ObjectNumber = ID_SNOWMOBILE;

TombEngine/Objects/TR2/Entity/tr2_sword_guardian.cpp

@@ -61,7 +61,7 @@ void SwordGuardianControl(short itemNumber)
 			DisableEntityAI(itemNumber);
 			KillItem(itemNumber);
 			//item->status = ITEM_DESACTIVATED;
-			//item->flags |= ONESHOT;
+			//item->flags |= IFLAG_INVISIBLE;
 			item->Animation.ActiveState = 12;
 		}
 

TombEngine/Objects/TR2/Trap/tr2_springboard.cpp

@@ -24,7 +24,7 @@ void SpringBoardControl(short itemNumber)
 		LaraItem->Animation.FrameNumber = g_Level.Anims[LaraItem->Animation.AnimNumber].frameBase;
 		LaraItem->Animation.ActiveState = LS_JUMP_FORWARD;
 		LaraItem->Animation.TargetState = LS_JUMP_FORWARD;
-		LaraItem->Animation.Airborne = true;
+		LaraItem->Animation.IsAirborne = true;
 		LaraItem->Animation.VerticalVelocity = -240;
 
 		item->Animation.TargetState = 1;

TombEngine/Objects/TR2/Vehicles/boat.cpp

@@ -1,995 +0,0 @@
-#include "framework.h"
-#include "Objects/TR2/Vehicles/boat.h"
-
-#include "Game/animation.h"
-#include "Game/camera.h"
-#include "Game/collision/collide_item.h"
-#include "Game/collision/sphere.h"
-#include "Game/effects/effects.h"
-#include "Game/items.h"
-#include "Game/Lara/lara.h"
-#include "Game/Lara/lara_helpers.h"
-#include "Game/effects/simple_particle.h"
-#include "Objects/TR2/Vehicles/boat_info.h"
-#include "Sound/sound.h"
-#include "Specific/input.h"
-#include "Specific/level.h"
-#include "Specific/setup.h"
-
-using namespace TEN::Input;
-
-namespace TEN::Entities::Vehicles
-{
-	#define BOAT_UNDO_TURN		ANGLE(0.25f)
-	#define BOAT_TURN			(ANGLE(0.25f) / 2)
-	#define BOAT_MAX_TURN		ANGLE(4.0f)
-	#define BOAT_MAX_VELOCITY	110
-	#define BOAT_SLOW_SPEED		(BOAT_MAX_VELOCITY / 3)
-	#define BOAT_FAST_SPEED		(BOAT_MAX_VELOCITY + 75)
-	#define BOAT_MIN_SPEED		20
-	#define BOAT_ACCELERATION	5
-	#define BOAT_BRAKE			5
-	#define BOAT_SLOWDOWN		1
-	#define BOAT_REVERSE		-2	// -5
-	#define BOAT_MAX_BACK		-20
-	#define BOAT_MAX_KICK		-80
-	#define BOAT_SLIP			10
-	#define BOAT_SIDE_SLIP		30
-	#define BOAT_FRONT			750
-	#define BOAT_BACK			-700
-	#define BOAT_SIDE			300
-	#define BOAT_RADIUS			500
-	#define BOAT_SNOW			500
-	#define BOAT_MAX_HEIGHT		CLICK(1)
-	#define DISMOUNT_DISTANCE	SECTOR(1)
-	#define BOAT_SOUND_CEILING	SECTOR(5)
-	#define BOAT_TIP			(BOAT_FRONT + 250)
-
-	#define	SBOAT_IN_ACCELERATE	IN_FORWARD
-	#define	SBOAT_IN_REVERSE	IN_BACK
-	#define	SBOAT_IN_SPEED		(IN_ACTION | IN_SPRINT)
-	#define SBOAT_IN_SLOW		IN_WALK
-	#define	SBOAT_IN_DISMOUNT	(IN_JUMP | IN_ROLL)
-	#define	SBOAT_IN_LEFT		(IN_LEFT | IN_LSTEP)
-	#define	SBOAT_IN_RIGHT		(IN_RIGHT | IN_RSTEP)
-
-	enum SpeedBoatState
-	{
-		SBOAT_STATE_MOUNT = 0,
-		SBOAT_STATE_IDLE = 1,
-		SBOAT_STATE_MOVING = 2,
-		SBOAT_STATE_DISMOUNT_RIGHT = 3,
-		SBOAT_STATE_DISMOUNT_LEFT = 4,
-		SBOAT_STATE_HIT = 5,
-		SBOAT_STATE_FALL = 6,
-		SBOAT_STATE_TURN_RIGHT = 7,
-		SBOAT_STATE_DEATH = 8,
-		SBOAT_STATE_TURN_LEFT = 9
-	};
-
-	enum SpeedBoatAnim
-	{
-		SBOAT_ANIM_MOUNT_LEFT = 0,
-		SBOAT_ANIM_IDLE = 1,	// ?
-		SBOAT_ANIM_FORWARD = 2,	// ?
-
-		SBOAT_ANIM_DISMOUNT_LEFT = 5,
-		SBOAT_ANIM_MOUNT_JUMP = 6,
-		SBOAT_ANIM_DISMOUNT_RIGHT = 7,
-		SBOAT_ANIM_MOUNT_RIGHT = 8,
-
-		SBOAT_ANIM_HIT_LEFT = 11,
-		SBOAT_ANIM_HIT_RIGHT = 12,
-		SBOAT_ANIM_HIT_FRONT = 13,
-		SBOAT_ANIM_HIT_BACK = 14,
-		SBOAT_ANIM_LEAP_START = 15,
-		SBOAT_ANIM_LEAP = 16,
-		SBOAT_ANIM_LEAP_END = 17,
-		SBOAT_ANIM_DEATH = 18
-	};
-
-	void InitialiseSpeedBoat(short itemNumber)
-	{
-		auto* sBoatItem = &g_Level.Items[itemNumber];
-		sBoatItem->Data = SpeedBoatInfo();
-		auto* sBoat = (SpeedBoatInfo*)sBoatItem->Data;
-
-		sBoat->TurnRate = 0;
-		sBoat->LeanAngle = 0;
-		sBoat->ExtraRotation = 0;
-		sBoat->LeftVerticalVelocity = 0;
-		sBoat->RightVerticalVelocity = 0;
-		sBoat->Water = 0;
-		sBoat->Pitch = 0;
-	}
-
-	BoatMountType GetSpeedBoatMountType(ItemInfo* laraItem, ItemInfo* sBoatItem, CollisionInfo* coll)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-
-		BoatMountType mountType = BoatMountType::None;
-
-		if (lara->Control.HandStatus != HandStatus::Free)
-			return mountType;
-
-		if (!TestBoundsCollide(sBoatItem, laraItem, coll->Setup.Radius))
-			return mountType;
-
-		if (!TestCollision(sBoatItem, laraItem))
-			return mountType;
-
-		int distance = (laraItem->Pose.Position.z - sBoatItem->Pose.Position.z) * phd_cos(-sBoatItem->Pose.Orientation.y) - (laraItem->Pose.Position.x - sBoatItem->Pose.Position.x) * phd_sin(-sBoatItem->Pose.Orientation.y);
-		if (distance > 200)
-			return mountType;
-
-		short deltaAngle = sBoatItem->Pose.Orientation.y - laraItem->Pose.Orientation.y;
-		if (lara->Control.WaterStatus == WaterStatus::TreadWater || lara->Control.WaterStatus == WaterStatus::Wade)
-		{
-			if (!(TrInput & IN_ACTION) || laraItem->Animation.Airborne || sBoatItem->Animation.Velocity)
-				return mountType;
-
-			if (deltaAngle > ANGLE(45.0f) && deltaAngle < ANGLE(135.0f))
-				mountType = BoatMountType::WaterRight;
-			else if (deltaAngle > -ANGLE(135.0f) && deltaAngle < -ANGLE(45.0f))
-				mountType = BoatMountType::WaterLeft;
-		}
-		else if (lara->Control.WaterStatus == WaterStatus::Dry)
-		{
-			if (laraItem->Animation.VerticalVelocity > 0)
-			{
-				if (deltaAngle > -ANGLE(135.0f) && deltaAngle < ANGLE(135.0f) &&
-					laraItem->Pose.Position.y > sBoatItem->Pose.Position.y)
-				{
-					mountType = BoatMountType::Jump;
-				}
-			}
-			else if (laraItem->Animation.VerticalVelocity == 0)
-			{
-				if (deltaAngle > -ANGLE(135.0f) && deltaAngle < ANGLE(135.0f))
-				{
-					if (laraItem->Pose.Position.x == sBoatItem->Pose.Position.x &&
-						laraItem->Pose.Position.y == sBoatItem->Pose.Position.y &&
-						laraItem->Pose.Position.z == sBoatItem->Pose.Position.z)
-					{
-						mountType = BoatMountType::StartPosition;
-					}
-					else
-						mountType = BoatMountType::Jump;
-				}
-			}
-		}
-
-		return mountType;
-	}
-
-	bool TestSpeedBoatDismount(ItemInfo* sBoatItem, int direction)
-	{
-		short angle;
-		if (direction < 0)
-			angle = sBoatItem->Pose.Orientation.y - ANGLE(90.0f);
-		else
-			angle = sBoatItem->Pose.Orientation.y + ANGLE(90.0f);
-
-		int x = sBoatItem->Pose.Position.x + DISMOUNT_DISTANCE * phd_sin(angle);
-		int y = sBoatItem->Pose.Position.y;
-		int z = sBoatItem->Pose.Position.z + DISMOUNT_DISTANCE * phd_cos(angle);
-		auto probe = GetCollision(x, y, z, sBoatItem->RoomNumber);
-
-		if ((probe.Position.Floor - sBoatItem->Pose.Position.y) < -CLICK(2))
-			return false;
-
-		if (probe.Position.FloorSlope ||
-			probe.Position.Floor == NO_HEIGHT)
-		{
-			return false;
-		}
-
-		if ((probe.Position.Floor - probe.Position.Ceiling) < LARA_HEIGHT ||
-			(probe.Position.Ceiling - sBoatItem->Pose.Position.y) > -LARA_HEIGHT)
-		{
-			return false;
-		}
-
-		return true;
-	}
-
-	void DoSpeedBoatDismount(ItemInfo* laraItem, ItemInfo* sBoatItem)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-
-		if ((laraItem->Animation.ActiveState == SBOAT_STATE_DISMOUNT_LEFT ||
-			laraItem->Animation.ActiveState == SBOAT_STATE_DISMOUNT_RIGHT) &&
-			TestLastFrame(laraItem, laraItem->Animation.AnimNumber))
-		{
-			if (laraItem->Animation.ActiveState == SBOAT_STATE_DISMOUNT_LEFT)
-				laraItem->Pose.Orientation.y -= ANGLE(90.0f);
-			else if (laraItem->Animation.ActiveState == SBOAT_STATE_DISMOUNT_RIGHT)
-				laraItem->Pose.Orientation.y += ANGLE(90.0f);
-
-			SetAnimation(laraItem, LA_JUMP_FORWARD);
-			laraItem->Animation.Velocity = 40;
-			laraItem->Animation.VerticalVelocity = -50;
-			laraItem->Animation.Airborne = true;
-			laraItem->Pose.Orientation.x = 0;
-			laraItem->Pose.Orientation.z = 0;
-			lara->Vehicle = NO_ITEM;
-
-			int x = laraItem->Pose.Position.x + 360 * phd_sin(laraItem->Pose.Orientation.y);
-			int y = laraItem->Pose.Position.y - 90;
-			int z = laraItem->Pose.Position.z + 360 * phd_cos(laraItem->Pose.Orientation.y);
-			auto probe = GetCollision(x, y, z, laraItem->RoomNumber);
-
-			if (probe.Position.Floor >= (y - CLICK(1)))
-			{
-				laraItem->Pose.Position.x = x;
-				laraItem->Pose.Position.z = z;
-
-				if (probe.RoomNumber != laraItem->RoomNumber)
-					ItemNewRoom(lara->ItemNumber, probe.RoomNumber);
-			}
-			laraItem->Pose.Position.y = y;
-
-			sBoatItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT].animIndex;
-			sBoatItem->Animation.FrameNumber = g_Level.Anims[sBoatItem->Animation.AnimNumber].frameBase;
-		}
-	}
-
-	int SpeedBoatTestWaterHeight(ItemInfo* sBoatItem, int zOffset, int xOffset, Vector3Int* pos)
-	{
-		float s = phd_sin(sBoatItem->Pose.Orientation.y);
-		float c = phd_cos(sBoatItem->Pose.Orientation.y);
-
-		pos->x = sBoatItem->Pose.Position.x + zOffset * s + xOffset * c;
-		pos->y = sBoatItem->Pose.Position.y - zOffset * phd_sin(sBoatItem->Pose.Orientation.x) + xOffset * phd_sin(sBoatItem->Pose.Orientation.z);
-		pos->z = sBoatItem->Pose.Position.z + zOffset * c - xOffset * s;
-
-		auto probe = GetCollision(pos->x, pos->y, pos->z, sBoatItem->RoomNumber);
-		auto height = GetWaterHeight(pos->x, pos->y, pos->z, probe.RoomNumber);
-
-		if (height == NO_HEIGHT)
-		{
-			height = probe.Position.Floor;
-			if (height == NO_HEIGHT)
-				return height;
-		}
-
-		return (height - 5);
-	}
-
-	void SpeedBoatDoBoatShift(ItemInfo* sBoatItem, int itemNumber)
-	{
-		short itemNumber2 = g_Level.Rooms[sBoatItem->RoomNumber].itemNumber;
-		while (itemNumber2 != NO_ITEM)
-		{
-			auto* item = &g_Level.Items[itemNumber2];
-
-			if (item->ObjectNumber == ID_SPEEDBOAT && itemNumber2 != itemNumber && Lara.Vehicle != itemNumber2)
-			{
-				int x = item->Pose.Position.x - sBoatItem->Pose.Position.x;
-				int z = item->Pose.Position.z - sBoatItem->Pose.Position.z;
-
-				int distance = pow(x, 2) + pow(z, 2);
-				int radius = pow(BOAT_RADIUS * 2, 2);
-				if (distance < radius)
-				{
-					sBoatItem->Pose.Position.x = item->Pose.Position.x - x * radius / distance;
-					sBoatItem->Pose.Position.z = item->Pose.Position.z - z * radius / distance;
-				}
-
-				return;
-			}
-
-			// TODO: mine and gondola
-
-			itemNumber2 = item->NextItem;
-		}
-	}
-
-	short SpeedBoatDoShift(ItemInfo* sBoatItem, Vector3Int* pos, Vector3Int* old)
-	{
-		int x = pos->x / SECTOR(1);
-		int z = pos->z / SECTOR(1);
-
-		int xOld = old->x / SECTOR(1);
-		int zOld = old->z / SECTOR(1);
-
-		int shiftX = pos->x & (SECTOR(1) - 1);
-		int shiftZ = pos->z & (SECTOR(1) - 1);
-
-		if (x == xOld)
-		{
-			if (z == zOld)
-			{
-				sBoatItem->Pose.Position.z += (old->z - pos->z);
-				sBoatItem->Pose.Position.x += (old->x - pos->x);
-			}
-			else if (z > zOld)
-			{
-				sBoatItem->Pose.Position.z -= shiftZ + 1;
-				return (pos->x - sBoatItem->Pose.Position.x);
-			}
-			else
-			{
-				sBoatItem->Pose.Position.z += SECTOR(1) - shiftZ;
-				return (sBoatItem->Pose.Position.x - pos->x);
-			}
-		}
-		else if (z == zOld)
-		{
-			if (x > xOld)
-			{
-				sBoatItem->Pose.Position.x -= shiftX + 1;
-				return (sBoatItem->Pose.Position.z - pos->z);
-			}
-			else
-			{
-				sBoatItem->Pose.Position.x += SECTOR(1) - shiftX;
-				return (pos->z - sBoatItem->Pose.Position.z);
-			}
-		}
-		else
-		{
-			x = 0;
-			z = 0;
-
-			auto probe = GetCollision(old->x, pos->y, pos->z, sBoatItem->RoomNumber);
-			if (probe.Position.Floor < (old->y - CLICK(1)))
-			{
-				if (pos->z > old->z)
-					z = -shiftZ - 1;
-				else
-					z = SECTOR(1) - shiftZ;
-			}
-
-			probe = GetCollision(pos->x, pos->y, old->z, sBoatItem->RoomNumber);
-			if (probe.Position.Floor < (old->y - CLICK(1)))
-			{
-				if (pos->x > old->x)
-					x = -shiftX - 1;
-				else
-					x = SECTOR(1) - shiftX;
-			}
-
-			if (x && z)
-			{
-				sBoatItem->Pose.Position.z += z;
-				sBoatItem->Pose.Position.x += x;
-			}
-			else if (z)
-			{
-				sBoatItem->Pose.Position.z += z;
-				if (z > 0)
-					return (sBoatItem->Pose.Position.x - pos->x);
-				else
-					return (pos->x - sBoatItem->Pose.Position.x);
-			}
-			else if (x)
-			{
-				sBoatItem->Pose.Position.x += x;
-				if (x > 0)
-					return (pos->z - sBoatItem->Pose.Position.z);
-				else
-					return (sBoatItem->Pose.Position.z - pos->z);
-			}
-			else
-			{
-				sBoatItem->Pose.Position.z += (old->z - pos->z);
-				sBoatItem->Pose.Position.x += (old->x - pos->x);
-			}
-		}
-
-		return 0;
-	}
-
-	int GetSpeedBoatHitAnim(ItemInfo* sBoatItem, Vector3Int* moved)
-	{
-		moved->x = sBoatItem->Pose.Position.x - moved->x;
-		moved->z = sBoatItem->Pose.Position.z - moved->z;
-
-		if (moved->x || moved->z)
-		{
-			float s = phd_sin(sBoatItem->Pose.Orientation.y);
-			float c = phd_cos(sBoatItem->Pose.Orientation.y);
-
-			int front = moved->z * c + moved->x * s;
-			int side = -moved->z * s + moved->x * c;
-
-			if (abs(front) > abs(side))
-			{
-				if (front > 0)
-					return SBOAT_ANIM_HIT_BACK;
-				else
-					return SBOAT_ANIM_HIT_FRONT;
-			}
-			else
-			{
-				if (side > 0)
-					return SBOAT_ANIM_HIT_LEFT;
-				else
-					return SBOAT_ANIM_HIT_RIGHT;
-			}
-		}
-
-		return 0;
-	}
-
-	int DoSpeedBoatDynamics(int height, int verticalVelocity, int* y)
-	{
-		if (height > *y)
-		{
-			*y += verticalVelocity;
-			if (*y > height)
-			{
-				*y = height;
-				verticalVelocity = 0;
-			}
-			else
-				verticalVelocity += GRAVITY;
-		}
-		else
-		{
-			verticalVelocity += ((height - *y - verticalVelocity) / 8);
-			if (verticalVelocity < BOAT_MAX_BACK)
-				verticalVelocity = BOAT_MAX_BACK;
-
-			if (*y > height)
-				*y = height;
-		}
-
-		return verticalVelocity;
-	}
-
-	int SpeedBoatDynamics(ItemInfo* laraItem, short itemNumber)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-		auto* sBoatItem = &g_Level.Items[itemNumber];
-		auto* sBoat = (SpeedBoatInfo*)sBoatItem->Data;
-
-		sBoatItem->Pose.Orientation.z -= sBoat->LeanAngle;
-
-		Vector3Int old, frontLeftOld, frontRightOld, backLeftOld, backRightOld, frontOld;
-		int heightFrontLeftOld = SpeedBoatTestWaterHeight(sBoatItem, BOAT_FRONT, -BOAT_SIDE, &frontLeftOld);
-		int heightFrontRightOld = SpeedBoatTestWaterHeight(sBoatItem, BOAT_FRONT, BOAT_SIDE, &frontRightOld);
-		int heightBackLeftOld = SpeedBoatTestWaterHeight(sBoatItem, -BOAT_FRONT, -BOAT_SIDE, &backLeftOld);
-		int heightBackRightOld = SpeedBoatTestWaterHeight(sBoatItem, -BOAT_FRONT, BOAT_SIDE, &backRightOld);
-		int heightFrontOld = SpeedBoatTestWaterHeight(sBoatItem, BOAT_TIP, 0, &frontOld);
-
-		old.x = sBoatItem->Pose.Position.x;
-		old.y = sBoatItem->Pose.Position.y;
-		old.z = sBoatItem->Pose.Position.z;
-
-		if (backLeftOld.y > heightBackLeftOld)
-			backLeftOld.y = heightBackLeftOld;
-		if (backRightOld.y > heightBackRightOld)
-			backRightOld.y = heightBackRightOld;
-		if (frontLeftOld.y > heightFrontLeftOld)
-			frontLeftOld.y = heightFrontLeftOld;
-		if (frontRightOld.y > heightFrontRightOld)
-			frontRightOld.y = heightFrontRightOld;
-		if (frontOld.y > heightFrontOld)
-			frontOld.y = heightFrontOld;
-
-		sBoatItem->Pose.Orientation.y += sBoat->TurnRate + sBoat->ExtraRotation;
-		sBoat->LeanAngle = sBoat->TurnRate * 6;
-
-		sBoatItem->Pose.Position.x += sBoatItem->Animation.Velocity * phd_sin(sBoatItem->Pose.Orientation.y);
-		sBoatItem->Pose.Position.z += sBoatItem->Animation.Velocity * phd_cos(sBoatItem->Pose.Orientation.y);
-
-		int slip = BOAT_SIDE_SLIP * phd_sin(sBoatItem->Pose.Orientation.z);
-		if (!slip && sBoatItem->Pose.Orientation.z)
-			slip = (sBoatItem->Pose.Orientation.z > 0) ? 1 : -1;
-		sBoatItem->Pose.Position.x += slip * phd_sin(sBoatItem->Pose.Orientation.y);
-		sBoatItem->Pose.Position.z -= slip * phd_cos(sBoatItem->Pose.Orientation.y);
-
-		slip = BOAT_SLIP * phd_sin(sBoatItem->Pose.Orientation.x);
-		if (!slip && sBoatItem->Pose.Orientation.x)
-			slip = (sBoatItem->Pose.Orientation.x > 0) ? 1 : -1;
-		sBoatItem->Pose.Position.x -= slip * phd_sin(sBoatItem->Pose.Orientation.y);
-		sBoatItem->Pose.Position.z -= slip * phd_cos(sBoatItem->Pose.Orientation.y);
-
-		auto moved = Vector3Int(sBoatItem->Pose.Position.x, 0, sBoatItem->Pose.Position.z);
-
-		SpeedBoatDoBoatShift(sBoatItem, itemNumber);
-
-		Vector3Int fl, fr, br, bl, f;
-		short rotation = 0;
-		auto heightBackLeft = SpeedBoatTestWaterHeight(sBoatItem, -BOAT_FRONT, -BOAT_SIDE, &bl);
-		if (heightBackLeft < (backLeftOld.y - CLICK(0.5f)))
-			rotation = SpeedBoatDoShift(sBoatItem, &bl, &backLeftOld);
-
-		auto heightBackRight = SpeedBoatTestWaterHeight(sBoatItem, -BOAT_FRONT, BOAT_SIDE, &br);
-		if (heightBackRight < (backRightOld.y - CLICK(0.5f)))
-			rotation += SpeedBoatDoShift(sBoatItem, &br, &backRightOld);
-
-		auto heightFrontLeft = SpeedBoatTestWaterHeight(sBoatItem, BOAT_FRONT, -BOAT_SIDE, &fl);
-		if (heightFrontLeft < (frontLeftOld.y - CLICK(0.5f)))
-			rotation += SpeedBoatDoShift(sBoatItem, &fl, &frontLeftOld);
-
-		auto heightFrontRight = SpeedBoatTestWaterHeight(sBoatItem, BOAT_FRONT, BOAT_SIDE, &fr);
-		if (heightFrontRight < (frontRightOld.y - CLICK(0.5f)))
-			rotation += SpeedBoatDoShift(sBoatItem, &fr, &frontRightOld);
-
-		int heightFront = 0;
-		if (!slip)
-		{
-			heightFront = SpeedBoatTestWaterHeight(sBoatItem, BOAT_TIP, 0, &f);
-			if (heightFront < (frontOld.y - CLICK(0.5f)))
-				SpeedBoatDoShift(sBoatItem, &f, &frontOld);
-		}
-
-		auto probe = GetCollision(sBoatItem);
-		auto height = GetWaterHeight(sBoatItem->Pose.Position.x, sBoatItem->Pose.Position.y - 5, sBoatItem->Pose.Position.z, probe.RoomNumber);
-
-		if (height == NO_HEIGHT)
-			height = GetFloorHeight(probe.Block, sBoatItem->Pose.Position.x, sBoatItem->Pose.Position.y - 5, sBoatItem->Pose.Position.z);
-
-		if (height < (sBoatItem->Pose.Position.y - CLICK(0.5f)))
-			SpeedBoatDoShift(sBoatItem, (Vector3Int*)&sBoatItem->Pose, &old);
-
-		sBoat->ExtraRotation = rotation;
-
-		DoVehicleCollision(sBoatItem, BOAT_RADIUS);
-
-		auto collide = GetSpeedBoatHitAnim(sBoatItem, &moved);
-
-		int newVelocity = 0;
-		if (slip || collide)
-		{
-			newVelocity = (sBoatItem->Pose.Position.z - old.z) * phd_cos(sBoatItem->Pose.Orientation.y) + (sBoatItem->Pose.Position.x - old.x) * phd_sin(sBoatItem->Pose.Orientation.y);
-
-			if (lara->Vehicle == itemNumber && sBoatItem->Animation.Velocity > BOAT_MAX_VELOCITY + BOAT_ACCELERATION && newVelocity < sBoatItem->Animation.Velocity - 10)
-			{
-				DoDamage(laraItem, sBoatItem->Animation.Velocity);
-				SoundEffect(SFX_TR4_LARA_INJURY, &laraItem->Pose);
-				newVelocity /= 2;
-				sBoatItem->Animation.Velocity /= 2;
-			}
-
-			if (slip)
-			{
-				if (sBoatItem->Animation.Velocity <= BOAT_MAX_VELOCITY + 10)
-					sBoatItem->Animation.Velocity = newVelocity;
-			}
-			else
-			{
-				if (sBoatItem->Animation.Velocity > 0 && newVelocity < sBoatItem->Animation.Velocity)
-					sBoatItem->Animation.Velocity = newVelocity;
-				else if (sBoatItem->Animation.Velocity < 0 && newVelocity > sBoatItem->Animation.Velocity)
-					sBoatItem->Animation.Velocity = newVelocity;
-			}
-
-			if (sBoatItem->Animation.Velocity < BOAT_MAX_BACK)
-				sBoatItem->Animation.Velocity = BOAT_MAX_BACK;
-		}
-
-		return collide;
-	}
-
-	bool SpeedBoatUserControl(ItemInfo* laraItem, ItemInfo* sBoatItem)
-	{
-		auto* sBoat = (SpeedBoatInfo*)sBoatItem->Data;
-
-		bool noTurn = true;
-		int maxVelocity;
-
-		if (sBoatItem->Pose.Position.y >= sBoat->Water - CLICK(0.5f) && sBoat->Water != NO_HEIGHT)
-		{
-			if (!(TrInput & SBOAT_IN_DISMOUNT) && !(TrInput & IN_LOOK) ||
-				sBoatItem->Animation.Velocity)
-			{
-				if (TrInput & SBOAT_IN_LEFT && !(TrInput & SBOAT_IN_REVERSE) ||
-					TrInput & SBOAT_IN_RIGHT && TrInput & SBOAT_IN_REVERSE)
-				{
-					if (sBoat->TurnRate > 0)
-						sBoat->TurnRate -= BOAT_UNDO_TURN;
-					else
-					{
-						sBoat->TurnRate -= BOAT_TURN;
-						if (sBoat->TurnRate < -BOAT_MAX_TURN)
-							sBoat->TurnRate = -BOAT_MAX_TURN;
-					}
-
-					noTurn = false;
-				}
-				else if (TrInput & SBOAT_IN_RIGHT && !(TrInput & SBOAT_IN_REVERSE) ||
-					TrInput & SBOAT_IN_LEFT && TrInput & SBOAT_IN_REVERSE)
-				{
-					if (sBoat->TurnRate < 0)
-						sBoat->TurnRate += BOAT_UNDO_TURN;
-					else
-					{
-						sBoat->TurnRate += BOAT_TURN;
-						if (sBoat->TurnRate > BOAT_MAX_TURN)
-							sBoat->TurnRate = BOAT_MAX_TURN;
-					}
-
-					noTurn = false;
-				}
-
-				if (TrInput & SBOAT_IN_REVERSE)
-				{
-					if (sBoatItem->Animation.Velocity > 0)
-						sBoatItem->Animation.Velocity -= BOAT_BRAKE;
-					else if (sBoatItem->Animation.Velocity > BOAT_MAX_BACK)
-						sBoatItem->Animation.Velocity += BOAT_REVERSE;
-				}
-				else if (TrInput & SBOAT_IN_ACCELERATE)
-				{
-					if (TrInput & SBOAT_IN_SPEED)
-						maxVelocity = BOAT_FAST_SPEED;
-					else
-						maxVelocity = (TrInput & SBOAT_IN_SLOW) ? BOAT_SLOW_SPEED : BOAT_MAX_VELOCITY;
-
-					if (sBoatItem->Animation.Velocity < maxVelocity)
-						sBoatItem->Animation.Velocity += (BOAT_ACCELERATION / 2) + (BOAT_ACCELERATION * (sBoatItem->Animation.Velocity / (maxVelocity * 2)));
-					else if (sBoatItem->Animation.Velocity > maxVelocity + BOAT_SLOWDOWN)
-						sBoatItem->Animation.Velocity -= BOAT_SLOWDOWN;
-				}
-				else if (TrInput & (SBOAT_IN_LEFT | SBOAT_IN_RIGHT) &&
-					sBoatItem->Animation.Velocity >= 0 &&
-					sBoatItem->Animation.Velocity < BOAT_MIN_SPEED)
-				{
-					if (!(TrInput & SBOAT_IN_DISMOUNT) &&
-						sBoatItem->Animation.Velocity == 0)
-						sBoatItem->Animation.Velocity = BOAT_MIN_SPEED;
-				}
-				else if (sBoatItem->Animation.Velocity > BOAT_SLOWDOWN)
-					sBoatItem->Animation.Velocity -= BOAT_SLOWDOWN;
-				else
-					sBoatItem->Animation.Velocity = 0;
-			}
-			else
-			{
-				if (TrInput & (SBOAT_IN_LEFT | SBOAT_IN_RIGHT) &&
-					sBoatItem->Animation.Velocity >= 0 &&
-					sBoatItem->Animation.Velocity < BOAT_MIN_SPEED)
-				{
-					if (sBoatItem->Animation.Velocity == 0 && !(TrInput & SBOAT_IN_DISMOUNT))
-						sBoatItem->Animation.Velocity = BOAT_MIN_SPEED;
-				}
-				else if (sBoatItem->Animation.Velocity > BOAT_SLOWDOWN)
-					sBoatItem->Animation.Velocity -= BOAT_SLOWDOWN;
-				else
-					sBoatItem->Animation.Velocity = 0;
-
-				if (TrInput & IN_LOOK && sBoatItem->Animation.Velocity == 0)
-					LookUpDown(laraItem);
-			}
-		}
-
-		return noTurn;
-	}
-
-	void SpeedBoatAnimation(ItemInfo* laraItem, ItemInfo* sBoatItem, int collide)
-	{
-		auto* sBoat = (SpeedBoatInfo*)sBoatItem->Data;
-
-		if (laraItem->HitPoints <= 0)
-		{
-			if (laraItem->Animation.ActiveState != SBOAT_STATE_DEATH)
-			{
-				laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SBOAT_ANIM_DEATH;
-				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-				laraItem->Animation.ActiveState = laraItem->Animation.TargetState = SBOAT_STATE_DEATH;
-			}
-		}
-		else if (sBoatItem->Pose.Position.y < sBoat->Water - CLICK(0.5f) && sBoatItem->Animation.VerticalVelocity > 0)
-		{
-			if (laraItem->Animation.ActiveState != SBOAT_STATE_FALL)
-			{
-				laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SBOAT_ANIM_LEAP_START;
-				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-				laraItem->Animation.ActiveState = laraItem->Animation.TargetState = SBOAT_STATE_FALL;
-			}
-		}
-		else if (collide)
-		{
-			if (laraItem->Animation.ActiveState != SBOAT_STATE_HIT)
-			{
-				laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + collide;
-				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-				laraItem->Animation.ActiveState = laraItem->Animation.TargetState = SBOAT_STATE_HIT;
-			}
-		}
-		else
-		{
-			switch (laraItem->Animation.ActiveState)
-			{
-			case SBOAT_STATE_IDLE:
-				if (TrInput & SBOAT_IN_DISMOUNT)
-				{
-					if (sBoatItem->Animation.Velocity == 0)
-					{
-						if (TrInput & SBOAT_IN_RIGHT && TestSpeedBoatDismount(sBoatItem, sBoatItem->Pose.Orientation.y + ANGLE(90.0f)))
-							laraItem->Animation.TargetState = SBOAT_STATE_DISMOUNT_RIGHT;
-						else if (TrInput & SBOAT_IN_LEFT && TestSpeedBoatDismount(sBoatItem, sBoatItem->Pose.Orientation.y - ANGLE(90.0f)))
-							laraItem->Animation.TargetState = SBOAT_STATE_DISMOUNT_LEFT;
-					}
-				}
-
-				if (sBoatItem->Animation.Velocity > 0)
-					laraItem->Animation.TargetState = SBOAT_STATE_MOVING;
-
-				break;
-
-			case SBOAT_STATE_MOVING:
-				if (TrInput & SBOAT_IN_DISMOUNT)
-				{
-					if (TrInput & SBOAT_IN_RIGHT)
-						laraItem->Animation.TargetState = SBOAT_STATE_DISMOUNT_RIGHT;
-					else if (TrInput & SBOAT_IN_RIGHT)
-						laraItem->Animation.TargetState = SBOAT_STATE_DISMOUNT_LEFT;
-				}
-				else if (sBoatItem->Animation.Velocity <= 0)
-					laraItem->Animation.TargetState = SBOAT_STATE_IDLE;
-
-				break;
-
-			case SBOAT_STATE_FALL:
-				laraItem->Animation.TargetState = SBOAT_STATE_MOVING;
-				break;
-
-				//case BOAT_TURNR:
-				if (sBoatItem->Animation.Velocity <= 0)
-					laraItem->Animation.TargetState = SBOAT_STATE_IDLE;
-				else if (!(TrInput & SBOAT_IN_RIGHT))
-					laraItem->Animation.TargetState = SBOAT_STATE_MOVING;
-
-				break;
-
-			case SBOAT_STATE_TURN_LEFT:
-				if (sBoatItem->Animation.Velocity <= 0)
-					laraItem->Animation.TargetState = SBOAT_STATE_IDLE;
-				else if (!(TrInput & SBOAT_IN_LEFT))
-					laraItem->Animation.TargetState = SBOAT_STATE_MOVING;
-
-				break;
-			}
-		}
-	}
-
-	void SpeedBoatSplash(ItemInfo* item, long verticalVelocity, long water)
-	{
-		//OLD SPLASH
-		/*
-		splash_setup.x = item->pos.x_pos;
-		splash_setup.y = water;
-		splash_setup.z = item->pos.z_pos;
-		splash_setup.InnerXZoff = 16 << 2;
-		splash_setup.InnerXZsize = 12 << 2;
-		splash_setup.InnerYsize = -96 << 2;
-		splash_setup.InnerXZvel = 0xa0;
-		splash_setup.InnerYvel = -fallspeed << 7;
-		splash_setup.InnerGravity = 0x80;
-		splash_setup.InnerFriction = 7;
-		splash_setup.MiddleXZoff = 24 << 2;
-		splash_setup.MiddleXZsize = 24 << 2;
-		splash_setup.MiddleYsize = -64 << 2;
-		splash_setup.MiddleXZvel = 0xe0;
-		splash_setup.MiddleYvel = -fallspeed << 6;
-		splash_setup.MiddleGravity = 0x48;
-		splash_setup.MiddleFriction = 8;
-		splash_setup.OuterXZoff = 32 << 2;
-		splash_setup.OuterXZsize = 32 << 2;
-		splash_setup.OuterXZvel = 0x110;
-		splash_setup.OuterFriction = 9;
-		SetupSplash(&splash_setup);
-		SplashCount = 16;
-		*/
-	}
-
-	void SpeedBoatCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-
-		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
-			return;
-
-		auto* sBoatItem = &g_Level.Items[itemNumber];
-
-		switch (GetSpeedBoatMountType(laraItem, sBoatItem, coll))
-		{
-		case BoatMountType::None:
-			coll->Setup.EnableObjectPush = true;
-			ObjectCollision(itemNumber, laraItem, coll);
-			return;
-
-		case BoatMountType::WaterLeft:
-			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SBOAT_ANIM_MOUNT_LEFT;
-			break;
-
-		case BoatMountType::WaterRight:
-			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SBOAT_ANIM_MOUNT_RIGHT;
-			break;
-
-		case BoatMountType::Jump:
-			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SBOAT_ANIM_MOUNT_JUMP;
-			break;
-
-		case BoatMountType::StartPosition:
-			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SBOAT_ANIM_IDLE;
-			break;
-		}
-
-		laraItem->Pose.Position.x = sBoatItem->Pose.Position.x;
-		laraItem->Pose.Position.y = sBoatItem->Pose.Position.y - 5;
-		laraItem->Pose.Position.z = sBoatItem->Pose.Position.z;
-		laraItem->Pose.Orientation.x = 0;
-		laraItem->Pose.Orientation.y = sBoatItem->Pose.Orientation.y;
-		laraItem->Pose.Orientation.z = 0;
-		laraItem->Animation.Velocity = 0;
-		laraItem->Animation.VerticalVelocity = 0;
-		laraItem->Animation.Airborne = false;
-		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-		laraItem->Animation.ActiveState = SBOAT_STATE_MOUNT;
-		laraItem->Animation.TargetState = SBOAT_STATE_MOUNT;
-		lara->Control.WaterStatus = WaterStatus::Dry;
-
-		if (laraItem->RoomNumber != sBoatItem->RoomNumber)
-			ItemNewRoom(lara->ItemNumber, sBoatItem->RoomNumber);
-
-		AnimateItem(laraItem);
-
-		if (g_Level.Items[itemNumber].Status != ITEM_ACTIVE)
-		{
-			AddActiveItem(itemNumber);
-			g_Level.Items[itemNumber].Status = ITEM_ACTIVE;
-		}
-
-		lara->Vehicle = itemNumber;
-	}
-
-	void SpeedBoatControl(short itemNumber)
-	{
-		auto* laraItem = LaraItem;
-		auto* lara = GetLaraInfo(laraItem);
-		auto* sBoatItem = &g_Level.Items[itemNumber];
-		auto* sBoat = (SpeedBoatInfo*)sBoatItem->Data;
-
-		int collide = SpeedBoatDynamics(laraItem, itemNumber);
-
-		Vector3Int frontLeft, frontRight;
-		int heightFrontLeft = SpeedBoatTestWaterHeight(sBoatItem, BOAT_FRONT, -BOAT_SIDE, &frontLeft);
-		int heightFrontRight = SpeedBoatTestWaterHeight(sBoatItem, BOAT_FRONT, BOAT_SIDE, &frontRight);
-
-		auto probe = GetCollision(sBoatItem);
-
-		if (lara->Vehicle == itemNumber)
-		{
-			TestTriggers(sBoatItem, true);
-			TestTriggers(sBoatItem, false);
-		}
-
-		auto water = GetWaterHeight(sBoatItem->Pose.Position.x, sBoatItem->Pose.Position.y, sBoatItem->Pose.Position.z, probe.RoomNumber);
-		sBoat->Water = water;
-
-		bool noTurn = true;
-		bool drive = false;
-		bool idle = !sBoatItem->Animation.Velocity;
-
-		if (lara->Vehicle == itemNumber && laraItem->HitPoints > 0)
-		{
-			switch (laraItem->Animation.ActiveState)
-			{
-			case SBOAT_STATE_MOUNT:
-			case SBOAT_STATE_DISMOUNT_RIGHT:
-			case SBOAT_STATE_DISMOUNT_LEFT:
-				break;
-
-			default:
-				drive = true;
-				noTurn = SpeedBoatUserControl(laraItem, sBoatItem);
-				break;
-			}
-		}
-		else
-		{
-			if (sBoatItem->Animation.Velocity > BOAT_SLOWDOWN)
-				sBoatItem->Animation.Velocity -= BOAT_SLOWDOWN;
-			else
-				sBoatItem->Animation.Velocity = 0;
-		}
-
-		if (noTurn)
-		{
-			if (sBoat->TurnRate < -BOAT_UNDO_TURN)
-				sBoat->TurnRate += BOAT_UNDO_TURN;
-			else if (sBoat->TurnRate > BOAT_UNDO_TURN)
-				sBoat->TurnRate -= BOAT_UNDO_TURN;
-			else
-				sBoat->TurnRate = 0;
-		}
-
-		sBoatItem->Floor = probe.Position.Floor - 5;
-		if (sBoat->Water == NO_HEIGHT)
-			sBoat->Water = probe.Position.Floor;
-		else
-			sBoat->Water -= 5;
-
-		sBoat->LeftVerticalVelocity = DoSpeedBoatDynamics(heightFrontLeft, sBoat->LeftVerticalVelocity, (int*)&frontLeft.y);
-		sBoat->RightVerticalVelocity = DoSpeedBoatDynamics(heightFrontRight, sBoat->RightVerticalVelocity, (int*)&frontRight.y);
-		sBoatItem->Animation.VerticalVelocity = DoSpeedBoatDynamics(sBoat->Water, sBoatItem->Animation.VerticalVelocity, (int*)&sBoatItem->Pose.Position.y);
-
-		auto ofs = sBoatItem->Animation.VerticalVelocity;
-		if (ofs - sBoatItem->Animation.VerticalVelocity > 32 && sBoatItem->Animation.VerticalVelocity == 0 && water != NO_HEIGHT)
-			SpeedBoatSplash(sBoatItem, ofs - sBoatItem->Animation.VerticalVelocity, water);
-
-		probe.Position.Floor = (frontLeft.y + frontRight.y);
-		if (probe.Position.Floor < 0)
-			probe.Position.Floor = -(abs(probe.Position.Floor) / 2);
-		else
-			probe.Position.Floor /= 2;
-
-		short xRot = phd_atan(BOAT_FRONT, sBoatItem->Pose.Position.y - probe.Position.Floor);
-		short zRot = phd_atan(BOAT_SIDE, probe.Position.Floor - frontLeft.y);
-
-		sBoatItem->Pose.Orientation.x += ((xRot - sBoatItem->Pose.Orientation.x) / 2);
-		sBoatItem->Pose.Orientation.z += ((zRot - sBoatItem->Pose.Orientation.z) / 2);
-
-		if (!xRot && abs(sBoatItem->Pose.Orientation.x) < 4)
-			sBoatItem->Pose.Orientation.x = 0;
-		if (!zRot && abs(sBoatItem->Pose.Orientation.z) < 4)
-			sBoatItem->Pose.Orientation.z = 0;
-
-		if (lara->Vehicle == itemNumber)
-		{
-			SpeedBoatAnimation(laraItem, sBoatItem, collide);
-
-			if (probe.RoomNumber != sBoatItem->RoomNumber)
-			{
-				ItemNewRoom(lara->Vehicle, probe.RoomNumber);
-				ItemNewRoom(lara->ItemNumber, probe.RoomNumber);
-			}
-
-			laraItem->Pose.Position.x = sBoatItem->Pose.Position.x;
-			laraItem->Pose.Position.y = sBoatItem->Pose.Position.y;
-			laraItem->Pose.Position.z = sBoatItem->Pose.Position.z;
-			laraItem->Pose.Orientation.x = sBoatItem->Pose.Orientation.x;
-			laraItem->Pose.Orientation.y = sBoatItem->Pose.Orientation.y;
-			laraItem->Pose.Orientation.z = sBoatItem->Pose.Orientation.z;
-			sBoatItem->Pose.Orientation.z += sBoat->LeanAngle;
-
-			AnimateItem(laraItem);
-
-			if (laraItem->HitPoints > 0)
-			{
-				sBoatItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT].animIndex + (laraItem->Animation.AnimNumber - Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex);
-				sBoatItem->Animation.FrameNumber = g_Level.Anims[sBoatItem->Animation.AnimNumber].frameBase + (laraItem->Animation.FrameNumber - g_Level.Anims[laraItem->Animation.AnimNumber].frameBase);
-			}
-
-			Camera.targetElevation = -ANGLE(20.0f);
-			Camera.targetDistance = SECTOR(2);
-
-			auto pitch = sBoatItem->Animation.Velocity;
-			sBoat->Pitch += (pitch - sBoat->Pitch) / 4;
-
-			if (drive)
-			{
-				bool accelerating = idle && abs(sBoatItem->Animation.Velocity) > 4;
-				bool moving = (abs(sBoatItem->Animation.Velocity) > 8 || sBoat->TurnRate);
-				int fx = accelerating ? SFX_TR2_VEHICLE_SPEEDBOAT_ACCELERATE : (moving ? SFX_TR2_VEHICLE_SPEEDBOAT_MOVING : SFX_TR2_VEHICLE_SPEEDBOAT_IDLE);
-				float pitch  = idle ? 1.0f : 1.0f + sBoat->Pitch / (float)BOAT_MAX_VELOCITY / 4.0f;
-				SoundEffect(fx, &sBoatItem->Pose, SoundEnvironment::Land, pitch);
-			}
-		}
-		else
-		{
-			if (probe.RoomNumber != sBoatItem->RoomNumber)
-				ItemNewRoom(itemNumber, probe.RoomNumber);
-
-			sBoatItem->Pose.Orientation.z += sBoat->LeanAngle;
-		}
-
-		if (sBoatItem->Animation.Velocity && (water - 5) == sBoatItem->Pose.Position.y)
-		{
-			auto room = probe.Block->RoomBelow(sBoatItem->Pose.Position.x, sBoatItem->Pose.Position.z).value_or(NO_ROOM);
-			if (room != NO_ROOM && (TestEnvironment(RoomEnvFlags::ENV_FLAG_WATER, room) || TestEnvironment(RoomEnvFlags::ENV_FLAG_SWAMP, room)))
-				TEN::Effects::TriggerSpeedboatFoam(sBoatItem, Vector3(0, 0, BOAT_BACK));
-		}
-
-		if (lara->Vehicle != itemNumber)
-			return;
-
-		DoSpeedBoatDismount(laraItem, sBoatItem);
-	}
-}

TombEngine/Objects/TR2/Vehicles/boat.h

@@ -1,33 +0,0 @@
-#pragma once
-#include "Game/collision/collide_room.h"
-#include "Game/items.h"
-
-namespace TEN::Entities::Vehicles
-{
-	enum class BoatMountType
-	{
-		None = 0,
-		WaterRight = 1,
-		WaterLeft = 2,
-		Jump = 3,
-		StartPosition = 4
-	};
-
-	void InitialiseSpeedBoat(short itemNumber);
-	BoatMountType GetSpeedBoatMountType(ItemInfo* laraItem, ItemInfo* sBoatItem, CollisionInfo* coll);
-	bool TestSpeedBoatDismount(ItemInfo* sBoatItem, int direction);
-	void DoSpeedBoatDismount(ItemInfo* laraItem, ItemInfo* sBoatItem);
-	int SpeedBoatTestWaterHeight(ItemInfo* sBoatItem, int zOffset, int xOffset, Vector3Int* pos);
-
-	void SpeedBoatDoBoatShift(ItemInfo* sBoatItem, int itemNumber);
-	short SpeedBoatDoShift(ItemInfo* sBoatItem, Vector3Int* pos, Vector3Int* old);
-
-	int GetSpeedBoatHitAnim(ItemInfo* sBoatItem, Vector3Int* moved);
-	int DoSpeedBoatDynamics(int height, int verticalVelocity, int* y);
-	int SpeedBoatDynamics(ItemInfo* laraItem, short itemNumber);
-	bool SpeedBoatUserControl(ItemInfo* laraItem, ItemInfo* sBoatItem);
-	void SpeedBoatAnimation(ItemInfo* laraItem, ItemInfo* sBoatItem, int collide);
-	void SpeedBoatSplash(ItemInfo* item, long verticalVelocity, long water);
-	void SpeedBoatCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
-	void SpeedBoatControl(short itemNumber);
-}

TombEngine/Objects/TR2/Vehicles/boat_info.h

@@ -1,17 +0,0 @@
-#pragma once
-
-namespace TEN::Entities::Vehicles
-{
-	struct SpeedBoatInfo
-	{
-		int TurnRate;
-		short LeanAngle;
-		short ExtraRotation;
-
-		int LeftVerticalVelocity;
-		int RightVerticalVelocity;
-
-		int Water;
-		int Pitch;
-	};
-}

TombEngine/Objects/TR2/Vehicles/skidoo.cpp

@@ -23,53 +23,46 @@
 
 using namespace TEN::Input;
 using namespace TEN::Math::Random;
+using std::vector;
 
 namespace TEN::Entities::Vehicles
 {
-	#define DAMAGE_START	140
+	constexpr auto SKIDOO_RADIUS = 500;
-	#define DAMAGE_LENGTH	14
+	constexpr auto SKIDOO_FRONT = 550;
+	constexpr auto SKIDOO_SIDE = 260;
+	constexpr auto SKIDOO_SLIP = 100;
+	constexpr auto SKIDOO_SLIP_SIDE = 50;
+	constexpr auto SKIDOO_SNOW = 500; // Unused.
+	constexpr auto SKIDOO_MOUNT_DISTANCE = CLICK(2);
+	constexpr auto SKIDOO_DISMOUNT_DISTANCE = 295;
 
-	#define SKIDOO_DISMOUNT_DISTANCE 295
+	constexpr auto SKIDOO_VELOCITY_ACCEL = 10;
+	constexpr auto SKIDOO_VELOCITY_DECEL = 2;
+	constexpr auto SKIDOO_VELOCITY_BRAKE_DECEL = 5;
+	constexpr auto SKIDOO_REVERSE_VELOCITY_ACCEL = 5;
+	constexpr auto SKIDOO_KICK_MAX = -80;
 
-	#define SKIDOO_UNDO_TURN			ANGLE(2.0f)
+	constexpr auto SKIDOO_SLOW_VELOCITY_MAX = 50;
-	#define SKIDOO_TURN					(ANGLE(0.5f) + SKIDOO_UNDO_TURN)
+	constexpr auto SKIDOO_NORMAL_VELOCITY_MAX = 100;
-	#define SKIDOO_MAX_TURN				ANGLE(6.0f)
+	constexpr auto SKIDOO_FAST_VELOCITY_MAX = 150;
-	#define SKIDOO_MOMENTUM_TURN		ANGLE(3.0f)
+	constexpr auto SKIDOO_TURN_VELOCITY_MAX = 15;
-	#define SKIDOO_MAX_MOMENTUM_TURN	ANGLE(150.0f)
+	constexpr auto SKIDOO_REVERSE_VELOCITY_MAX = 30;
 
-	#define SKIDOO_FAST_VELOCITY	150
+	constexpr auto SKIDOO_STEP_HEIGHT_MAX = CLICK(1); // Unused.
-	#define SKIDOO_MAX_VELOCITY		100
+	constexpr auto SKIDOO_MIN_BOUNCE = (SKIDOO_NORMAL_VELOCITY_MAX / 2) / 256;
-	#define SKIDOO_SLOW_VELOCITY	50
-	#define SKIDOO_MIN_VELOCITY		15
 
-	#define SKIDOO_ACCELERATION	10
+	constexpr auto SKIDOO_DAMAGE_START = 140;
-	#define SKIDOO_BRAKE		5
+	constexpr auto SKIDOO_DAMAGE_LENGTH = 14;
-	#define SKIDOO_SLOWDOWN		2
-	#define SKIDOO_REVERSE		-5
-	#define SKIDOO_MAX_BACK		-30
-	#define SKIDOO_MAX_KICK		-80
 
-	#define SKIDOO_SLIP			100
+	#define SKIDOO_TURN_RATE_ACCEL			ANGLE(2.5f)
-	#define SKIDOO_SLIP_SIDE	50
+	#define SKIDOO_TURN_RATE_DECEL			ANGLE(2.0f)
-	#define SKIDOO_FRONT		550
+	#define SKIDOO_TURN_RATE_MAX			ANGLE(6.0f)
-	#define SKIDOO_SIDE			260
+	#define SKIDOO_MOMENTUM_TURN_RATE_ACCEL	ANGLE(3.0f)
-	#define SKIDOO_RADIUS		500
+	#define SKIDOO_MOMENTUM_TURN_RATE_MAX	ANGLE(150.0f)
-	#define SKIDOO_SNOW			500
-
-	#define SKIDOO_MAX_HEIGHT CLICK(1)
-	#define SKIDOO_MIN_BOUNCE ((SKIDOO_MAX_VELOCITY / 2) / 256)
-
-	#define SKIDOO_IN_ACCELERATE	IN_FORWARD
-	#define SKIDOO_IN_BRAKE			IN_BACK
-	#define SKIDOO_IN_SLOW			IN_WALK
-	#define SKIDOO_IN_FIRE			IN_ACTION
-	#define SKIDOO_IN_DISMOUNT		(IN_JUMP | IN_ROLL)
-	#define SKIDOO_IN_LEFT			IN_LEFT
-	#define SKIDOO_IN_RIGHT			IN_RIGHT
 
 	enum SkidooState
 	{
-		SKIDOO_STATE_SIT = 0,
+		SKIDOO_STATE_DRIVE = 0,
 		SKIDOO_STATE_MOUNT = 1,
 		SKIDOO_STATE_LEFT = 2,
 		SKIDOO_STATE_RIGHT = 3,
@@ -111,62 +104,86 @@ namespace TEN::Entities::Vehicles
 		SKIDOO_ANIM_FALL_DEATH = 22
 	};
 
+	const vector<VehicleMountType> SkidooMountTypes =
+	{
+		VehicleMountType::LevelStart,
+		VehicleMountType::Left,
+		VehicleMountType::Right
+	};
+
+	SkidooInfo* GetSkidooInfo(ItemInfo* skidooItem)
+	{
+		return (SkidooInfo*)skidooItem->Data;
+	}
+
 	void InitialiseSkidoo(short itemNumber)
 	{
 		auto* skidooItem = &g_Level.Items[itemNumber];
 		skidooItem->Data = SkidooInfo();
-		auto* skidoo = (SkidooInfo*)skidooItem->Data;
+		auto* skidoo = GetSkidooInfo(skidooItem);
-
-		skidoo->TurnRate = 0;
-		skidoo->MomentumAngle = skidooItem->Pose.Orientation.y;
-		skidoo->ExtraRotation = 0;
-		skidoo->LeftVerticalVelocity = 0;
-		skidoo->RightVerticalVelocity = 0;
-		skidoo->Pitch = 0;
-		skidoo->FlashTimer = 0;
-
-		if (skidooItem->ObjectNumber == ID_SNOWMOBILE_GUN)
-			skidoo->Armed = true;
-		else
-			skidoo->Armed = false;
 
 		if (skidooItem->Status != ITEM_ACTIVE)
 		{
 			AddActiveItem(itemNumber);
 			skidooItem->Status = ITEM_ACTIVE;
 		}
+
+		if (skidooItem->ObjectNumber == ID_SNOWMOBILE_GUN)
+			skidoo->Armed = true;
+
+		skidoo->MomentumAngle = skidooItem->Pose.Orientation.y;
 	}
 
-	int GetSkidooMountType(ItemInfo* laraItem, ItemInfo* skidooItem, CollisionInfo* coll)
+	void SkidooPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
 	{
-		auto* lara = (LaraInfo*&)laraItem->Data;
+		auto* skidooItem = &g_Level.Items[itemNumber];
+		auto* lara = GetLaraInfo(laraItem);
 
-		int mountType = 0;
+		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
+			return;
 
-		if (!(TrInput & IN_ACTION) ||
+		auto mountType = GetVehicleMountType(skidooItem, laraItem, coll, SkidooMountTypes, SKIDOO_MOUNT_DISTANCE);
-			lara->Control.HandStatus != HandStatus::Free ||
+		if (mountType == VehicleMountType::None)
-			laraItem->Animation.Airborne)
+			ObjectCollision(itemNumber, laraItem, coll);
-		{
-			return mountType = 0;
-		}
-
-		short deltaAngle = skidooItem->Pose.Orientation.y - laraItem->Pose.Orientation.y;
-		if (deltaAngle > ANGLE(45.0f) && deltaAngle < ANGLE(135.0f))
-			mountType = 1;
-		else if (deltaAngle > -ANGLE(135.0f) && deltaAngle < -ANGLE(45.0f))
-			mountType = 2;
 		else
-			mountType = 0;
-
-		auto probe = GetCollision(skidooItem);
-		if (probe.Position.Floor < -32000 ||
-			!TestBoundsCollide(skidooItem, laraItem, coll->Setup.Radius) ||
-			!TestCollision(skidooItem, laraItem))
 		{
-			mountType = 0;
+			lara->Vehicle = itemNumber;
+			DoSkidooMount(skidooItem, laraItem, mountType);
 		}
+	}
 
-		return mountType;
+	void DoSkidooMount(ItemInfo* skidooItem, ItemInfo* laraItem, VehicleMountType mountType)
+	{
+		auto* lara = GetLaraInfo(laraItem);
+
+		switch (mountType)
+		{
+		case VehicleMountType::LevelStart:
+			laraItem->Animation.AnimNumber = Objects[ID_SNOWMOBILE_LARA_ANIMS].animIndex + SKIDOO_ANIM_IDLE;
+			laraItem->Animation.ActiveState = SKIDOO_STATE_IDLE;
+			laraItem->Animation.TargetState = SKIDOO_STATE_IDLE;
+			break;
+
+		case VehicleMountType::Left:
+			laraItem->Animation.AnimNumber = Objects[ID_SNOWMOBILE_LARA_ANIMS].animIndex + SKIDOO_ANIM_MOUNT_LEFT;
+			laraItem->Animation.ActiveState = SKIDOO_STATE_MOUNT;
+			laraItem->Animation.TargetState = SKIDOO_STATE_MOUNT;
+			break;
+
+		default:
+		case VehicleMountType::Right:
+			laraItem->Animation.AnimNumber = Objects[ID_SNOWMOBILE_LARA_ANIMS].animIndex + SKIDOO_ANIM_MOUNT_RIGHT;
+			laraItem->Animation.ActiveState = SKIDOO_STATE_MOUNT;
+			laraItem->Animation.TargetState = SKIDOO_STATE_MOUNT;
+			break;
+		}
+		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+
+		DoVehicleFlareDiscard(laraItem);
+		laraItem->Pose.Position = skidooItem->Pose.Position;
+		laraItem->Pose.Orientation = Vector3Shrt(0, skidooItem->Pose.Orientation.y, 0);
+		lara->Control.HandStatus = HandStatus::Busy;
+		skidooItem->Collidable = true;
 	}
 
 	bool TestSkidooDismountOK(ItemInfo* skidooItem, int direction)
@@ -177,10 +194,7 @@ namespace TEN::Entities::Vehicles
 		else
 			angle = skidooItem->Pose.Orientation.y - ANGLE(90.0f);
 
-		int x = skidooItem->Pose.Position.x - SKIDOO_DISMOUNT_DISTANCE * phd_sin(angle);
+		auto probe = GetCollision(skidooItem, angle, -SKIDOO_DISMOUNT_DISTANCE);
-		int y = skidooItem->Pose.Position.y;
-		int z = skidooItem->Pose.Position.z - SKIDOO_DISMOUNT_DISTANCE * phd_cos(angle);
-		auto probe = GetCollision(x, y, z, skidooItem->RoomNumber);
 
 		if ((probe.Position.FloorSlope || probe.Position.Floor == NO_HEIGHT) ||
 			abs(probe.Position.Floor - skidooItem->Pose.Position.y) > CLICK(2) ||
@@ -193,9 +207,9 @@ namespace TEN::Entities::Vehicles
 		return true;
 	}
 
-	bool TestSkidooDismount(ItemInfo* laraItem, ItemInfo* skidooItem)
+	bool TestSkidooDismount(ItemInfo* skidooItem, ItemInfo* laraItem)
 	{
-		auto* lara = (LaraInfo*&)laraItem->Data;
+		auto* lara = GetLaraInfo(laraItem);
 
 		if (lara->Vehicle != NO_ITEM)
 		{
@@ -208,12 +222,11 @@ namespace TEN::Entities::Vehicles
 					laraItem->Pose.Orientation.y -= ANGLE(90.0f);
 
 				SetAnimation(laraItem, LA_STAND_IDLE);
-				laraItem->Pose.Position.x -= SKIDOO_DISMOUNT_DISTANCE * phd_sin(laraItem->Pose.Orientation.y);
+				TranslateItem(laraItem, laraItem->Pose.Orientation.y, -SKIDOO_DISMOUNT_DISTANCE);
-				laraItem->Pose.Position.z -= SKIDOO_DISMOUNT_DISTANCE * phd_cos(laraItem->Pose.Orientation.y);
 				laraItem->Pose.Orientation.x = 0;
 				laraItem->Pose.Orientation.z = 0;
-				lara->Vehicle = NO_ITEM;
 				lara->Control.HandStatus = HandStatus::Free;
+				lara->Vehicle = NO_ITEM;
 			}
 			else if (laraItem->Animation.ActiveState == SKIDOO_STATE_JUMP_OFF &&
 				(skidooItem->Pose.Position.y == skidooItem->Floor || TestLastFrame(laraItem)))
@@ -224,7 +237,7 @@ namespace TEN::Entities::Vehicles
 				{
 					laraItem->Animation.TargetState = LS_DEATH;
 					laraItem->Animation.Velocity = 0;
-					laraItem->Animation.VerticalVelocity = DAMAGE_START + DAMAGE_LENGTH;
+					laraItem->Animation.VerticalVelocity = SKIDOO_DAMAGE_START + SKIDOO_DAMAGE_LENGTH;
 					ExplodeVehicle(laraItem, skidooItem);
 				}
 				else
@@ -238,11 +251,11 @@ namespace TEN::Entities::Vehicles
 
 				laraItem->Pose.Orientation.x = 0;
 				laraItem->Pose.Orientation.z = 0;
-				laraItem->Animation.Airborne = true;
+				laraItem->Animation.IsAirborne = true;
-				lara->Control.HandStatus = HandStatus::Free;
 				lara->Control.MoveAngle = skidooItem->Pose.Orientation.y;
-				skidooItem->Flags |= ONESHOT;
+				lara->Control.HandStatus = HandStatus::Free;
 				skidooItem->Collidable = false;
+				skidooItem->Flags |= IFLAG_INVISIBLE;
 
 				return false;
 			}
@@ -253,128 +266,16 @@ namespace TEN::Entities::Vehicles
 			return true;
 	}
 
-	int GetSkidooCollisionAnim(ItemInfo* skidooItem, Vector3Int* moved)
-	{
-		moved->x = skidooItem->Pose.Position.x - moved->x;
-		moved->z = skidooItem->Pose.Position.z - moved->z;
-
-		if (moved->x || moved->z)
-		{
-			float s = phd_sin(skidooItem->Pose.Orientation.y);
-			float c = phd_cos(skidooItem->Pose.Orientation.y);
-
-			int side = -moved->z * s + moved->x * c;
-			int front = moved->z * c + moved->x * s;
-
-			if (abs(front) > abs(side))
-			{
-				if (front > 0)
-					return SKIDOO_ANIM_HIT_BACK;
-				else
-					return SKIDOO_ANIM_HIT_FRONT;
-			}
-			else
-			{
-				if (side > 0)
-					return SKIDOO_ANIM_HIT_LEFT;
-				else
-					return SKIDOO_ANIM_HIT_RIGHT;
-			}
-		}
-
-		return 0;
-	}
-
-	void SkidooCollision(short itemNum, ItemInfo* laraItem, CollisionInfo* coll)
-	{
-		auto* lara = (LaraInfo*&)laraItem->Data;
-		auto* skidooItem = &g_Level.Items[itemNum];
-
-		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
-			return;
-
-		int mountType = GetSkidooMountType(laraItem, skidooItem, coll);
-		if (mountType == 0)
-		{
-			ObjectCollision(itemNum, laraItem, coll);
-			return;
-		}
-
-		lara->Vehicle = itemNum;
-
-		if (lara->Control.Weapon.GunType == LaraWeaponType::Flare)
-		{
-			CreateFlare(laraItem, ID_FLARE_ITEM, false);
-			UndrawFlareMeshes(laraItem);
-			lara->Flare.ControlLeft = 0;
-			lara->Control.Weapon.RequestGunType = LaraWeaponType::None;
-			lara->Control.HandStatus = HandStatus::Free;
-		}
-
-		if (mountType == 1)
-			laraItem->Animation.AnimNumber = Objects[ID_SNOWMOBILE_LARA_ANIMS].animIndex + SKIDOO_ANIM_MOUNT_RIGHT;
-		else if (mountType == 2)
-			laraItem->Animation.AnimNumber = Objects[ID_SNOWMOBILE_LARA_ANIMS].animIndex + SKIDOO_ANIM_MOUNT_LEFT;
-
-		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-		laraItem->Animation.ActiveState = SKIDOO_STATE_MOUNT;
-		laraItem->Pose.Position.x = skidooItem->Pose.Position.x;
-		laraItem->Pose.Position.y = skidooItem->Pose.Position.y;
-		laraItem->Pose.Position.z = skidooItem->Pose.Position.z;
-		laraItem->Pose.Orientation.y = skidooItem->Pose.Orientation.y;
-		lara->Control.HandStatus = HandStatus::Busy;
-		skidooItem->Collidable = true;
-	}
-
-	void SkidooGuns(ItemInfo* laraItem, ItemInfo* skidooItem)
-	{
-		auto* lara = (LaraInfo*&)laraItem->Data;
-		auto* skidoo = (SkidooInfo*)skidooItem->Data;
-		auto* weapon = &Weapons[(int)LaraWeaponType::Snowmobile];
-
-		LaraGetNewTarget(laraItem, weapon);
-		AimWeapon(laraItem, weapon, &lara->RightArm);
-
-		if (TrInput & SKIDOO_IN_FIRE && !skidooItem->ItemFlags[0])
-		{
-			auto angles = Vector3Shrt(
-				lara->RightArm.Orientation.x,
-				lara->RightArm.Orientation.y + laraItem->Pose.Orientation.y,
-				0
-			);
-
-			if ((int)FireWeapon(LaraWeaponType::Pistol, lara->TargetEntity, laraItem, angles) +
-				(int)FireWeapon(LaraWeaponType::Pistol, lara->TargetEntity, laraItem, angles))
-			{
-				skidoo->FlashTimer = 2;
-				SoundEffect(weapon->SampleNum, &laraItem->Pose);
-				skidooItem->ItemFlags[0] = 4;
-			}
-		}
-
-		if (skidooItem->ItemFlags[0])
-			skidooItem->ItemFlags[0]--;
-	}
-
-	void DoSnowEffect(ItemInfo* skidooItem)
-	{
-		auto material = GetCollision(skidooItem).BottomBlock->Material;
-		if (material != FLOOR_MATERIAL::Ice && material != FLOOR_MATERIAL::Snow)
-			return;
-
-		TEN::Effects::TriggerSnowmobileSnow(skidooItem);
-	}
-
 	bool SkidooControl(ItemInfo* laraItem, CollisionInfo* coll)
 	{
-		auto* lara = (LaraInfo*&)laraItem->Data;
+		auto* lara = GetLaraInfo(laraItem);
 		auto* skidooItem = &g_Level.Items[lara->Vehicle];
-		auto* skidoo = (SkidooInfo*)skidooItem->Data;
+		auto* skidoo = GetSkidooInfo(skidooItem);
 
 		Vector3Int frontLeft, frontRight;
-		auto collide = SkidooDynamics(laraItem, skidooItem);
+		auto collide = SkidooDynamics(skidooItem, laraItem);
-		auto heightFrontLeft = TestSkidooHeight(skidooItem, SKIDOO_FRONT, -SKIDOO_SIDE, &frontLeft);
+		auto heightFrontLeft = GetVehicleHeight(skidooItem, SKIDOO_FRONT, -SKIDOO_SIDE, true, &frontLeft);
-		auto heightFrontRight = TestSkidooHeight(skidooItem, SKIDOO_FRONT, SKIDOO_SIDE, &frontRight);
+		auto heightFrontRight = GetVehicleHeight(skidooItem, SKIDOO_FRONT, SKIDOO_SIDE, true, &frontRight);
 
 		auto probe = GetCollision(skidooItem);
 
@@ -398,7 +299,7 @@ namespace TEN::Entities::Vehicles
 		int height = probe.Position.Floor;
 		int pitch = 0;
 
-		if (skidooItem->Flags & ONESHOT)
+		if (skidooItem->Flags & IFLAG_INVISIBLE)
 		{
 			drive = 0;
 			collide = 0;
@@ -417,8 +318,7 @@ namespace TEN::Entities::Vehicles
 				break;
 
 			default:
-				drive = SkidooUserControl(laraItem, skidooItem, height, &pitch);
+				drive = SkidooUserControl(skidooItem, laraItem, height, &pitch);
-
 				break;
 			}
 		}
@@ -429,7 +329,7 @@ namespace TEN::Entities::Vehicles
 			skidoo->TrackMesh = ((skidoo->TrackMesh & 3) == 1) ? 2 : 1;
 			skidoo->Pitch += (pitch - skidoo->Pitch) / 4;
 
-			auto pitch = std::clamp(0.5f + (float)abs(skidoo->Pitch) / (float)SKIDOO_MAX_VELOCITY, 0.6f, 1.4f);
+			auto pitch = std::clamp(0.5f + (float)abs(skidoo->Pitch) / (float)SKIDOO_NORMAL_VELOCITY_MAX, 0.6f, 1.4f);
 			SoundEffect(skidoo->Pitch ? SFX_TR2_VEHICLE_SNOWMOBILE_MOVING : SFX_TR2_VEHICLE_SNOWMOBILE_ACCELERATE, &skidooItem->Pose, SoundEnvironment::Land, pitch);
 		}
 		else
@@ -450,10 +350,10 @@ namespace TEN::Entities::Vehicles
 		short xRot = phd_atan(SKIDOO_FRONT, skidooItem->Pose.Position.y - height);
 		short zRot = phd_atan(SKIDOO_SIDE, height - frontLeft.y);
 
-		skidooItem->Pose.Orientation.x += ((xRot - skidooItem->Pose.Orientation.x) / 2);
+		skidooItem->Pose.Orientation.x += (xRot - skidooItem->Pose.Orientation.x) / 2;
-		skidooItem->Pose.Orientation.z += ((zRot - skidooItem->Pose.Orientation.z) / 2);
+		skidooItem->Pose.Orientation.z += (zRot - skidooItem->Pose.Orientation.z) / 2;
 
-		if (skidooItem->Flags & ONESHOT)
+		if (skidooItem->Flags & IFLAG_INVISIBLE)
 		{
 			if (probe.RoomNumber != skidooItem->RoomNumber)
 			{
@@ -466,10 +366,10 @@ namespace TEN::Entities::Vehicles
 			if (skidooItem->Pose.Position.y == skidooItem->Floor)
 				ExplodeVehicle(laraItem, skidooItem);
 
-			return 0;
+			return false;
 		}
 
-		SkidooAnimation(laraItem, skidooItem, collide, dead);
+		SkidooAnimation(skidooItem, laraItem, collide, dead);
 
 		if (probe.RoomNumber != skidooItem->RoomNumber)
 		{
@@ -479,9 +379,7 @@ namespace TEN::Entities::Vehicles
 
 		if (laraItem->Animation.ActiveState != SKIDOO_STATE_FALLOFF)
 		{
-			laraItem->Pose.Position.x = skidooItem->Pose.Position.x;
+			laraItem->Pose.Position = skidooItem->Pose.Position;
-			laraItem->Pose.Position.y = skidooItem->Pose.Position.y;
-			laraItem->Pose.Position.z = skidooItem->Pose.Position.z;
 			laraItem->Pose.Orientation.y = skidooItem->Pose.Orientation.y;
 
 			if (drive >= 0)
@@ -498,7 +396,7 @@ namespace TEN::Entities::Vehicles
 		AnimateItem(laraItem);
 
 		if (!dead && drive >= 0 && banditSkidoo)
-			SkidooGuns(laraItem, skidooItem);
+			SkidooGuns(skidooItem, laraItem);
 
 		if (!dead)
 		{
@@ -519,15 +417,15 @@ namespace TEN::Entities::Vehicles
 				DoSnowEffect(skidooItem);
 		}
 
-		return TestSkidooDismount(laraItem, skidooItem);
+		return TestSkidooDismount(skidooItem, laraItem);
 	}
 
-	bool SkidooUserControl(ItemInfo* laraItem, ItemInfo* skidooItem, int height, int* pitch)
+	bool SkidooUserControl(ItemInfo* skidooItem, ItemInfo* laraItem, int height, int* pitch)
 	{
-		auto* skidoo = (SkidooInfo*)skidooItem->Data;
+		auto* skidoo = GetSkidooInfo(skidooItem);
 
-		bool drive = false;
 		int maxVelocity = 0;
+		bool drive = false;
 
 		if (skidooItem->Pose.Position.y >= (height - CLICK(1)))
 		{
@@ -536,66 +434,55 @@ namespace TEN::Entities::Vehicles
 			if (TrInput & IN_LOOK && skidooItem->Animation.Velocity == 0)
 				LookUpDown(laraItem);
 
-			if ((TrInput & SKIDOO_IN_LEFT && !(TrInput & SKIDOO_IN_BRAKE)) ||
+			if (TrInput & (VEHICLE_IN_LEFT | VEHICLE_IN_RIGHT))
-				(TrInput & SKIDOO_IN_RIGHT && TrInput & SKIDOO_IN_BRAKE))
+				ModulateVehicleTurnRateY(&skidoo->TurnRate, SKIDOO_TURN_RATE_ACCEL, -SKIDOO_TURN_RATE_MAX, SKIDOO_TURN_RATE_MAX);
-			{
-				skidoo->TurnRate -= SKIDOO_TURN;
-				if (skidoo->TurnRate < -SKIDOO_MAX_TURN)
-					skidoo->TurnRate = -SKIDOO_MAX_TURN;
-			}
 
-			if ((TrInput & SKIDOO_IN_RIGHT && !(TrInput & SKIDOO_IN_BRAKE)) ||
+			if (TrInput & VEHICLE_IN_REVERSE)
-				(TrInput & SKIDOO_IN_LEFT && TrInput & SKIDOO_IN_BRAKE))
-			{
-				skidoo->TurnRate += SKIDOO_TURN;
-				if (skidoo->TurnRate > SKIDOO_MAX_TURN)
-					skidoo->TurnRate = SKIDOO_MAX_TURN;
-			}
-
-			if (TrInput & SKIDOO_IN_BRAKE)
 			{
 				if (skidooItem->Animation.Velocity > 0)
-					skidooItem->Animation.Velocity -= SKIDOO_BRAKE;
+					skidooItem->Animation.Velocity -= SKIDOO_VELOCITY_BRAKE_DECEL;
 				else
 				{
-					if (skidooItem->Animation.Velocity > SKIDOO_MAX_BACK)
+					if (skidooItem->Animation.Velocity > -SKIDOO_REVERSE_VELOCITY_MAX)
-						skidooItem->Animation.Velocity += SKIDOO_REVERSE;
+						skidooItem->Animation.Velocity -= SKIDOO_REVERSE_VELOCITY_ACCEL;
 
 					drive = true;
 				}
 			}
-			else if (TrInput & SKIDOO_IN_ACCELERATE)
+			else if (TrInput & VEHICLE_IN_ACCELERATE)
 			{
-				if (TrInput & SKIDOO_IN_FIRE && !skidoo->Armed)
+				if (TrInput & VEHICLE_IN_SPEED)
-					maxVelocity = SKIDOO_FAST_VELOCITY;
+					maxVelocity = SKIDOO_FAST_VELOCITY_MAX;
-				else if (TrInput & SKIDOO_IN_SLOW)
+				else if (TrInput & VEHICLE_IN_SLOW)
-					maxVelocity = SKIDOO_SLOW_VELOCITY;
+					maxVelocity = SKIDOO_SLOW_VELOCITY_MAX;
 				else
-					maxVelocity = SKIDOO_MAX_VELOCITY;
+					maxVelocity = SKIDOO_NORMAL_VELOCITY_MAX;
 
 				if (skidooItem->Animation.Velocity < maxVelocity)
-					skidooItem->Animation.Velocity += (SKIDOO_ACCELERATION / 2) + (SKIDOO_ACCELERATION * (skidooItem->Animation.Velocity / (2 * maxVelocity)));
+					skidooItem->Animation.Velocity += (SKIDOO_VELOCITY_ACCEL / 2) + (SKIDOO_VELOCITY_ACCEL * (skidooItem->Animation.Velocity / (2 * maxVelocity)));
-				else if (skidooItem->Animation.Velocity > (maxVelocity + SKIDOO_SLOWDOWN))
+				else if (skidooItem->Animation.Velocity > (maxVelocity + SKIDOO_VELOCITY_DECEL))
-					skidooItem->Animation.Velocity -= SKIDOO_SLOWDOWN;
+					skidooItem->Animation.Velocity -= SKIDOO_VELOCITY_DECEL;
+
 				drive = true;
 			}
-			else if (TrInput & (SKIDOO_IN_LEFT | SKIDOO_IN_RIGHT) &&
+			else if (TrInput & (VEHICLE_IN_LEFT | VEHICLE_IN_RIGHT) &&
 				skidooItem->Animation.Velocity >= 0 &&
-				skidooItem->Animation.Velocity < SKIDOO_MIN_VELOCITY)
+				skidooItem->Animation.Velocity < SKIDOO_TURN_VELOCITY_MAX)
 			{
-				skidooItem->Animation.Velocity = SKIDOO_MIN_VELOCITY;
+				skidooItem->Animation.Velocity = SKIDOO_TURN_VELOCITY_MAX;
 				drive = true;
 			}
-			else if (skidooItem->Animation.Velocity > SKIDOO_SLOWDOWN)
+			else if (skidooItem->Animation.Velocity > SKIDOO_VELOCITY_DECEL)
 			{
-				skidooItem->Animation.Velocity -= SKIDOO_SLOWDOWN;
+				skidooItem->Animation.Velocity -= SKIDOO_VELOCITY_DECEL;
+
 				if ((GetRandomControl() & 0x7f) < skidooItem->Animation.Velocity)
 					drive = true;
 			}
 			else
 				skidooItem->Animation.Velocity = 0;
 		}
-		else if (TrInput & (SKIDOO_IN_ACCELERATE | SKIDOO_IN_BRAKE))
+		else if (TrInput & (VEHICLE_IN_ACCELERATE | VEHICLE_IN_REVERSE))
 		{
 			*pitch = skidoo->Pitch + 50;
 			drive = true;
@@ -604,13 +491,13 @@ namespace TEN::Entities::Vehicles
 		return drive;
 	}
 
-	void SkidooAnimation(ItemInfo* laraItem, ItemInfo* skidooItem, int collide, bool dead)
+	void SkidooAnimation(ItemInfo* skidooItem, ItemInfo* laraItem, int collide, bool dead)
 	{
-		auto* skidoo = (SkidooInfo*)skidooItem->Data;
+		auto* skidoo = GetSkidooInfo(skidooItem);
 
 		if (laraItem->Animation.ActiveState != SKIDOO_STATE_FALL &&
-			skidooItem->Pose.Position.y != skidooItem->Floor &&
 			skidooItem->Animation.VerticalVelocity > 0 &&
+			skidooItem->Pose.Position.y != skidooItem->Floor &&
 			!dead)
 		{
 			laraItem->Animation.AnimNumber = Objects[ID_SNOWMOBILE_LARA_ANIMS].animIndex + SKIDOO_ANIM_LEAP_START;
@@ -647,52 +534,88 @@ namespace TEN::Entities::Vehicles
 
 				laraItem->Animation.TargetState = SKIDOO_STATE_IDLE;
 
-				if (TrInput & SKIDOO_IN_DISMOUNT)
+				if (TrInput & VEHICLE_IN_DISMOUNT)
 				{
-					if (TrInput & SKIDOO_IN_RIGHT &&
+					if (TrInput & VEHICLE_IN_RIGHT &&
 						TestSkidooDismountOK(skidooItem, SKIDOO_STATE_DISMOUNT_RIGHT))
 					{
 						laraItem->Animation.TargetState = SKIDOO_STATE_DISMOUNT_RIGHT;
 						skidooItem->Animation.Velocity = 0;
 					}
-					else if (TrInput & SKIDOO_IN_LEFT &&
+					else if (TrInput & VEHICLE_IN_LEFT &&
 						TestSkidooDismountOK(skidooItem, SKIDOO_STATE_DISMOUNT_LEFT))
 					{
 						laraItem->Animation.TargetState = SKIDOO_STATE_DISMOUNT_LEFT;
 						skidooItem->Animation.Velocity = 0;
 					}
 				}
-				else if (TrInput & SKIDOO_IN_LEFT)
+				else if (TrInput & VEHICLE_IN_LEFT)
-					laraItem->Animation.TargetState = SKIDOO_STATE_LEFT;
+				{
-				else if (TrInput & SKIDOO_IN_RIGHT)
+					if (skidooItem->Animation.Velocity >= 0)
-					laraItem->Animation.TargetState = SKIDOO_STATE_RIGHT;
+						laraItem->Animation.TargetState = SKIDOO_STATE_LEFT;
-				else if (TrInput & (SKIDOO_IN_ACCELERATE | SKIDOO_IN_BRAKE))
+					else
-					laraItem->Animation.TargetState = SKIDOO_STATE_SIT;
+						laraItem->Animation.TargetState = SKIDOO_STATE_RIGHT;
+				}
+				else if (TrInput & VEHICLE_IN_RIGHT)
+				{
+					if (skidooItem->Animation.Velocity >= 0)
+						laraItem->Animation.TargetState = SKIDOO_STATE_RIGHT;
+					else
+						laraItem->Animation.TargetState = SKIDOO_STATE_LEFT;
+				}
+				else if (TrInput & (VEHICLE_IN_ACCELERATE | VEHICLE_IN_REVERSE))
+					laraItem->Animation.TargetState = SKIDOO_STATE_DRIVE;
 
 				break;
 
-			case SKIDOO_STATE_SIT:
+			case SKIDOO_STATE_DRIVE:
 				if (skidooItem->Animation.Velocity == 0)
 					laraItem->Animation.TargetState = SKIDOO_STATE_IDLE;
 
 				if (dead)
 					laraItem->Animation.TargetState = SKIDOO_STATE_FALLOFF;
-				else if (TrInput & SKIDOO_IN_LEFT)
+				else if (TrInput & VEHICLE_IN_LEFT)
-					laraItem->Animation.TargetState = SKIDOO_STATE_LEFT;
+				{
-				else if (TrInput & SKIDOO_IN_RIGHT)
+					if (skidooItem->Animation.Velocity >= 0)
-					laraItem->Animation.TargetState = SKIDOO_STATE_RIGHT;
+						laraItem->Animation.TargetState = SKIDOO_STATE_LEFT;
+					else
+						laraItem->Animation.TargetState = SKIDOO_STATE_RIGHT;
+				}
+				else if (TrInput & VEHICLE_IN_RIGHT)
+				{
+					if (skidooItem->Animation.Velocity >= 0)
+						laraItem->Animation.TargetState = SKIDOO_STATE_RIGHT;
+					else
+						laraItem->Animation.TargetState = SKIDOO_STATE_LEFT;
+				}
 
 				break;
 
 			case SKIDOO_STATE_LEFT:
-				if (!(TrInput & SKIDOO_IN_LEFT))
+				if (skidooItem->Animation.Velocity >= 0)
-					laraItem->Animation.TargetState = SKIDOO_STATE_SIT;
+				{
+					if (!(TrInput & VEHICLE_IN_LEFT))
+						laraItem->Animation.TargetState = SKIDOO_STATE_DRIVE;
+				}
+				else
+				{
+					if (!(TrInput & VEHICLE_IN_RIGHT))
+						laraItem->Animation.TargetState = SKIDOO_STATE_DRIVE;
+				}
 
 				break;
 
 			case SKIDOO_STATE_RIGHT:
-				if (!(TrInput & SKIDOO_IN_RIGHT))
+				if (skidooItem->Animation.Velocity >= 0)
-					laraItem->Animation.TargetState = SKIDOO_STATE_SIT;
+				{
+					if (!(TrInput & VEHICLE_IN_RIGHT))
+						laraItem->Animation.TargetState = SKIDOO_STATE_DRIVE;
+				}
+				else
+				{
+					if (!(TrInput & VEHICLE_IN_LEFT))
+						laraItem->Animation.TargetState = SKIDOO_STATE_DRIVE;
+				}
 
 				break;
 
@@ -701,10 +624,10 @@ namespace TEN::Entities::Vehicles
 					skidoo->LeftVerticalVelocity <= 0 ||
 					skidoo->RightVerticalVelocity <= 0)
 				{
-					laraItem->Animation.TargetState = SKIDOO_STATE_SIT;
+					laraItem->Animation.TargetState = SKIDOO_STATE_DRIVE;
 					SoundEffect(SFX_TR2_VEHICLE_IMPACT3, &skidooItem->Pose);
 				}
-				else if (skidooItem->Animation.VerticalVelocity > (DAMAGE_START + DAMAGE_LENGTH))
+				else if (skidooItem->Animation.VerticalVelocity > (SKIDOO_DAMAGE_START + SKIDOO_DAMAGE_LENGTH))
 					laraItem->Animation.TargetState = SKIDOO_STATE_JUMP_OFF;
 
 				break;
@@ -712,8 +635,80 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
+	int GetSkidooCollisionAnim(ItemInfo* skidooItem, Vector3Int* moved)
+	{
+		moved->x = skidooItem->Pose.Position.x - moved->x;
+		moved->z = skidooItem->Pose.Position.z - moved->z;
+
+		if (moved->x || moved->z)
+		{
+			float sinY = phd_sin(skidooItem->Pose.Orientation.y);
+			float cosY = phd_cos(skidooItem->Pose.Orientation.y);
+
+			int front = (moved->z * cosY) + (moved->x * sinY);
+			int side = (moved->z * -sinY) + (moved->x * cosY);
+
+			if (abs(front) > abs(side))
+			{
+				if (front > 0)
+					return SKIDOO_ANIM_HIT_BACK;
+				else
+					return SKIDOO_ANIM_HIT_FRONT;
+			}
+			else
+			{
+				if (side > 0)
+					return SKIDOO_ANIM_HIT_LEFT;
+				else
+					return SKIDOO_ANIM_HIT_RIGHT;
+			}
+		}
+
+		return 0;
+	}
+
+	void SkidooGuns(ItemInfo* skidooItem, ItemInfo* laraItem)
+	{
+		auto* skidoo = GetSkidooInfo(skidooItem);
+		auto* lara = GetLaraInfo(laraItem);
+		auto* weapon = &Weapons[(int)LaraWeaponType::Snowmobile];
+
+		LaraGetNewTarget(laraItem, weapon);
+		AimWeapon(laraItem, weapon, &lara->RightArm);
+
+		if (TrInput & VEHICLE_IN_FIRE && !skidooItem->ItemFlags[0])
+		{
+			auto angles = Vector3Shrt(
+				lara->RightArm.Orientation.x,
+				lara->RightArm.Orientation.y + laraItem->Pose.Orientation.y,
+				0
+			);
+
+			if ((int)FireWeapon(LaraWeaponType::Pistol, lara->TargetEntity, laraItem, angles) +
+				(int)FireWeapon(LaraWeaponType::Pistol, lara->TargetEntity, laraItem, angles))
+			{
+				skidoo->FlashTimer = 2;
+				SoundEffect(weapon->SampleNum, &laraItem->Pose);
+				skidooItem->ItemFlags[0] = 4;
+			}
+		}
+
+		if (skidooItem->ItemFlags[0])
+			skidooItem->ItemFlags[0]--;
+	}
+
+	void DoSnowEffect(ItemInfo* skidooItem)
+	{
+		auto material = GetCollision(skidooItem).BottomBlock->Material;
+		if (material != FLOOR_MATERIAL::Ice && material != FLOOR_MATERIAL::Snow)
+			return;
+
+		TEN::Effects::TriggerSnowmobileSnow(skidooItem);
+	}
+
 	int DoSkidooDynamics(int height, int verticalVelocity, int* y)
 	{
+		// Grounded.
 		if (height > *y)
 		{
 			*y += verticalVelocity;
@@ -725,11 +720,12 @@ namespace TEN::Entities::Vehicles
 			else
 				verticalVelocity += GRAVITY;
 		}
+		// Airborne.
 		else
 		{
 			int kick = (height - *y) * 4;
-			if (kick < SKIDOO_MAX_KICK)
+			if (kick < SKIDOO_KICK_MAX)
-				kick = SKIDOO_MAX_KICK;
+				kick = SKIDOO_KICK_MAX;
 
 			verticalVelocity += (kick - verticalVelocity) / 8;
 
@@ -740,26 +736,6 @@ namespace TEN::Entities::Vehicles
 		return verticalVelocity;
 	}
 
-	int TestSkidooHeight(ItemInfo* skidooItem, int zOffset, int xOffset, Vector3Int* pos)
-	{
-		pos->y = skidooItem->Pose.Position.y - zOffset * phd_sin(skidooItem->Pose.Orientation.x) + xOffset * phd_sin(skidooItem->Pose.Orientation.z);
-
-		float s = phd_sin(skidooItem->Pose.Orientation.y);
-		float c = phd_cos(skidooItem->Pose.Orientation.y);
-
-		pos->x = skidooItem->Pose.Position.x + zOffset * s + xOffset * c;
-		pos->z = skidooItem->Pose.Position.z + zOffset * c - xOffset * s;
-
-		auto probe = GetCollision(pos->x, pos->y, pos->z, skidooItem->RoomNumber);
-		if (probe.Position.Ceiling > pos->y ||
-			probe.Position.Ceiling == NO_HEIGHT)
-		{
-			return NO_HEIGHT;
-		}
-
-		return probe.Position.Floor;
-	}
-
 	short DoSkidooShift(ItemInfo* skidooItem, Vector3Int* pos, Vector3Int* old)
 	{
 		int	x = pos->x / SECTOR(1);
@@ -860,62 +836,50 @@ namespace TEN::Entities::Vehicles
 		return 0;
 	}
 
-	int SkidooDynamics(ItemInfo* laraItem, ItemInfo* skidooItem)
+	int SkidooDynamics(ItemInfo* skidooItem, ItemInfo* laraItem)
 	{
-		auto* skidoo = (SkidooInfo*)skidooItem->Data;
+		auto* skidoo = GetSkidooInfo(skidooItem);
 
 		Vector3Int frontLeftOld, frontRightOld, backLeftOld, backRightOld;
-		auto heightFrontLeftOld = TestSkidooHeight(skidooItem, SKIDOO_FRONT, -SKIDOO_SIDE, &frontLeftOld);
+		auto heightFrontLeftOld = GetVehicleHeight(skidooItem, SKIDOO_FRONT, -SKIDOO_SIDE, true, &frontLeftOld);
-		auto heightFrontRightOld = TestSkidooHeight(skidooItem, SKIDOO_FRONT, SKIDOO_SIDE, &frontRightOld);
+		auto heightFrontRightOld = GetVehicleHeight(skidooItem, SKIDOO_FRONT, SKIDOO_SIDE, true, &frontRightOld);
-		auto heightBackLeftOld = TestSkidooHeight(skidooItem, -SKIDOO_FRONT, -SKIDOO_SIDE, &backLeftOld);
+		auto heightBackLeftOld = GetVehicleHeight(skidooItem, -SKIDOO_FRONT, -SKIDOO_SIDE, true, &backLeftOld);
-		auto heightBackRightOld = TestSkidooHeight(skidooItem, -SKIDOO_FRONT, SKIDOO_SIDE, &backRightOld);
+		auto heightBackRightOld = GetVehicleHeight(skidooItem, -SKIDOO_FRONT, SKIDOO_SIDE, true, &backRightOld);
 
-		Vector3Int old;
+		auto oldPos = skidooItem->Pose.Position;
-		old.x = skidooItem->Pose.Position.x;
-		old.y = skidooItem->Pose.Position.y;
-		old.z = skidooItem->Pose.Position.z;
-
-		if (backLeftOld.y > heightBackLeftOld)
-			backLeftOld.y = heightBackLeftOld;
-		if (backRightOld.y > heightBackRightOld)
-			backRightOld.y = heightBackRightOld;
-		if (frontLeftOld.y > heightFrontLeftOld)
-			frontLeftOld.y = heightFrontLeftOld;
-		if (frontRightOld.y > heightFrontRightOld)
-			frontRightOld.y = heightFrontRightOld;
 
 		short rotation;
 
 		if (skidooItem->Pose.Position.y > (skidooItem->Floor - CLICK(1)))
 		{
-			if (skidoo->TurnRate < -SKIDOO_UNDO_TURN)
+			if (skidoo->TurnRate < -SKIDOO_TURN_RATE_DECEL)
-				skidoo->TurnRate += SKIDOO_UNDO_TURN;
+				skidoo->TurnRate += SKIDOO_TURN_RATE_DECEL;
-			else if (skidoo->TurnRate > SKIDOO_UNDO_TURN)
+			else if (skidoo->TurnRate > SKIDOO_TURN_RATE_DECEL)
-				skidoo->TurnRate -= SKIDOO_UNDO_TURN;
+				skidoo->TurnRate -= SKIDOO_TURN_RATE_DECEL;
 			else
 				skidoo->TurnRate = 0;
 			skidooItem->Pose.Orientation.y += skidoo->TurnRate + skidoo->ExtraRotation;
 
 			rotation = skidooItem->Pose.Orientation.y - skidoo->MomentumAngle;
-			if (rotation < -SKIDOO_MOMENTUM_TURN)
+			if (rotation < -SKIDOO_MOMENTUM_TURN_RATE_ACCEL)
 			{
-				if (rotation < -SKIDOO_MAX_MOMENTUM_TURN)
+				if (rotation < -SKIDOO_MOMENTUM_TURN_RATE_MAX)
 				{
-					rotation = -SKIDOO_MAX_MOMENTUM_TURN;
+					rotation = -SKIDOO_MOMENTUM_TURN_RATE_MAX;
 					skidoo->MomentumAngle = skidooItem->Pose.Orientation.y - rotation;
 				}
 				else
-					skidoo->MomentumAngle -= SKIDOO_MOMENTUM_TURN;
+					skidoo->MomentumAngle -= SKIDOO_MOMENTUM_TURN_RATE_ACCEL;
 			}
-			else if (rotation > SKIDOO_MOMENTUM_TURN)
+			else if (rotation > SKIDOO_MOMENTUM_TURN_RATE_ACCEL)
 			{
-				if (rotation > SKIDOO_MAX_MOMENTUM_TURN)
+				if (rotation > SKIDOO_MOMENTUM_TURN_RATE_MAX)
 				{
-					rotation = SKIDOO_MAX_MOMENTUM_TURN;
+					rotation = SKIDOO_MOMENTUM_TURN_RATE_MAX;
 					skidoo->MomentumAngle = skidooItem->Pose.Orientation.y - rotation;
 				}
 				else
-					skidoo->MomentumAngle += SKIDOO_MOMENTUM_TURN;
+					skidoo->MomentumAngle += SKIDOO_MOMENTUM_TURN_RATE_ACCEL;
 			}
 			else
 				skidoo->MomentumAngle = skidooItem->Pose.Orientation.y;
@@ -923,59 +887,58 @@ namespace TEN::Entities::Vehicles
 		else
 			skidooItem->Pose.Orientation.y += skidoo->TurnRate + skidoo->ExtraRotation;
 
-		skidooItem->Pose.Position.z += skidooItem->Animation.Velocity * phd_cos(skidoo->MomentumAngle);
+		TranslateItem(skidooItem, skidoo->MomentumAngle, skidooItem->Animation.Velocity);
-		skidooItem->Pose.Position.x += skidooItem->Animation.Velocity * phd_sin(skidoo->MomentumAngle);
 
 		int slip = SKIDOO_SLIP * phd_sin(skidooItem->Pose.Orientation.x);
 		if (abs(slip) > (SKIDOO_SLIP / 2))
 		{
-			skidooItem->Pose.Position.z -= slip * phd_cos(skidooItem->Pose.Orientation.y);
 			skidooItem->Pose.Position.x -= slip * phd_sin(skidooItem->Pose.Orientation.y);
+			skidooItem->Pose.Position.z -= slip * phd_cos(skidooItem->Pose.Orientation.y);
 		}
 
 		slip = SKIDOO_SLIP_SIDE * phd_sin(skidooItem->Pose.Orientation.z);
 		if (abs(slip) > (SKIDOO_SLIP_SIDE / 2))
 		{
-			skidooItem->Pose.Position.z -= slip * phd_sin(skidooItem->Pose.Orientation.y);
 			skidooItem->Pose.Position.x += slip * phd_cos(skidooItem->Pose.Orientation.y);
+			skidooItem->Pose.Position.z -= slip * phd_sin(skidooItem->Pose.Orientation.y);
 		}
 
 		Vector3Int moved;
 		moved.x = skidooItem->Pose.Position.x;
 		moved.z = skidooItem->Pose.Position.z;
 
-		if (!(skidooItem->Flags & ONESHOT))
+		if (!(skidooItem->Flags & IFLAG_INVISIBLE))
 			DoVehicleCollision(skidooItem, SKIDOO_RADIUS);
 
 		Vector3Int frontLeft, frontRight, backRight, backLeft;
 		rotation = 0;
-		auto heightBackLeft = TestSkidooHeight(skidooItem, -SKIDOO_FRONT, -SKIDOO_SIDE, &backLeft);
+		auto heightBackLeft = GetVehicleHeight(skidooItem, -SKIDOO_FRONT, -SKIDOO_SIDE, false, &backLeft);
 		if (heightBackLeft < (backLeftOld.y - CLICK(1)))
 			rotation = DoSkidooShift(skidooItem, &backLeft, &backLeftOld);
 
-		auto heightBackRight = TestSkidooHeight(skidooItem, -SKIDOO_FRONT, SKIDOO_SIDE, &backRight);
+		auto heightBackRight = GetVehicleHeight(skidooItem, -SKIDOO_FRONT, SKIDOO_SIDE, false, &backRight);
 		if (heightBackRight < (backRightOld.y - CLICK(1)))
 			rotation += DoSkidooShift(skidooItem, &backRight, &backRightOld);
 
-		auto heightFrontLeft = TestSkidooHeight(skidooItem, SKIDOO_FRONT, -SKIDOO_SIDE, &frontLeft);
+		auto heightFrontLeft = GetVehicleHeight(skidooItem, SKIDOO_FRONT, -SKIDOO_SIDE, false, &frontLeft);
 		if (heightFrontLeft < (frontLeftOld.y - CLICK(1)))
 			rotation += DoSkidooShift(skidooItem, &frontLeft, &frontLeftOld);
 
-		auto heightFrontRight = TestSkidooHeight(skidooItem, SKIDOO_FRONT, SKIDOO_SIDE, &frontRight);
+		auto heightFrontRight = GetVehicleHeight(skidooItem, SKIDOO_FRONT, SKIDOO_SIDE, false, &frontRight);
 		if (heightFrontRight < (frontRightOld.y - CLICK(1)))
 			rotation += DoSkidooShift(skidooItem, &frontRight, &frontRightOld);
 
 		auto probe = GetCollision(skidooItem);
 		if (probe.Position.Floor < (skidooItem->Pose.Position.y - CLICK(1)))
-			DoSkidooShift(skidooItem, (Vector3Int*)&skidooItem->Pose, &old);
+			DoSkidooShift(skidooItem, (Vector3Int*)&skidooItem->Pose, &oldPos);
 
 		skidoo->ExtraRotation = rotation;
 
 		auto collide = GetSkidooCollisionAnim(skidooItem, &moved);
 		if (collide)
 		{
-			int newVelocity = (skidooItem->Pose.Position.z - old.z) * phd_cos(skidoo->MomentumAngle) + (skidooItem->Pose.Position.x - old.x) * phd_sin(skidoo->MomentumAngle);
+			int newVelocity = (skidooItem->Pose.Position.z - oldPos.z) * phd_cos(skidoo->MomentumAngle) + (skidooItem->Pose.Position.x - oldPos.x) * phd_sin(skidoo->MomentumAngle);
-			if (skidooItem->Animation.Velocity > (SKIDOO_MAX_VELOCITY + SKIDOO_ACCELERATION) &&
+			if (skidooItem->Animation.Velocity > (SKIDOO_NORMAL_VELOCITY_MAX + SKIDOO_VELOCITY_ACCEL) &&
 				newVelocity < (skidooItem->Animation.Velocity - 10))
 			{
 				DoDamage(laraItem, (skidooItem->Animation.Velocity - newVelocity) / 2);
@@ -986,15 +949,10 @@ namespace TEN::Entities::Vehicles
 			else if (skidooItem->Animation.Velocity < 0 && newVelocity > skidooItem->Animation.Velocity)
 				skidooItem->Animation.Velocity = (newVelocity > 0) ? 0 : newVelocity;
 
-			if (skidooItem->Animation.Velocity < SKIDOO_MAX_BACK)
+			if (skidooItem->Animation.Velocity < SKIDOO_REVERSE_VELOCITY_MAX)
-				skidooItem->Animation.Velocity = SKIDOO_MAX_BACK;
+				skidooItem->Animation.Velocity = SKIDOO_REVERSE_VELOCITY_MAX;
 		}
 
 		return collide;
 	}
-
-	void DrawSkidoo(ItemInfo* skidooItem)
-	{
-
-	}
 }

TombEngine/Objects/TR2/Vehicles/skidoo.h

@@ -1,29 +1,28 @@
 #pragma once
 #include "Game/collision/collide_room.h"
 #include "Game/items.h"
+#include "Objects/Utils/VehicleHelpers.h"
 
 namespace TEN::Entities::Vehicles
 {
+	SkidooInfo* GetSkidooInfo(ItemInfo* skidooItem);
 	void InitialiseSkidoo(short itemNumber);
 
-	int GetSkidooMountType(ItemInfo* laraItem, ItemInfo* skidooItem, CollisionInfo* coll);
+	void SkidooPlayerCollision(short skidooItemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoSkidooMount(ItemInfo* skidooItem, ItemInfo* laraItem, VehicleMountType mountType);
 	bool TestSkidooDismountOK(ItemInfo* skidooItem, int direction);
-	bool TestSkidooDismount(ItemInfo* laraItem, ItemInfo* skidooItem);
+	bool TestSkidooDismount(ItemInfo* skidooItem, ItemInfo* laraItem);
-
-	int GetSkidooCollisionAnim(ItemInfo* skidooItem, Vector3Int* moved);
-	void SkidooCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
-
-	void SkidooGuns(ItemInfo* laraItem, ItemInfo* skidooItem);
-	void DoSnowEffect(ItemInfo* skidooItem);
 
 	bool SkidooControl(ItemInfo* laraItem, CollisionInfo* coll);
-	bool SkidooUserControl(ItemInfo* laraItem, ItemInfo* skidooItem, int height, int* pitch);
+	bool SkidooUserControl(ItemInfo* skidooItem, ItemInfo* laraItem, int height, int* pitch);
-	void SkidooAnimation(ItemInfo* laraItem, ItemInfo* skidooItem, int collide, bool dead);
+	void SkidooAnimation(ItemInfo* skidooItem, ItemInfo* laraItem, int collide, bool dead);
 
-	int SkidooDynamics(ItemInfo* laraItem, ItemInfo* skidooItem);
+	int GetSkidooCollisionAnim(ItemInfo* skidooItem, Vector3Int* moved);
-	int TestSkidooHeight(ItemInfo* skidooItem, int zOffset, int xOffset, Vector3Int* pos);
+
+	void SkidooGuns(ItemInfo* skidooItem, ItemInfo* laraItem);
+	void DoSnowEffect(ItemInfo* skidooItem);
+
+	int SkidooDynamics(ItemInfo* skidooItem, ItemInfo* laraItem);
 	short DoSkidooShift(ItemInfo* skidooItem, Vector3Int* pos, Vector3Int* old);
 	int DoSkidooDynamics(int height, int verticalVelocity, int* y);
-
-	void DrawSkidoo(ItemInfo* skidooItem);
 }

TombEngine/Objects/TR2/Vehicles/skidoo_info.h

@@ -4,16 +4,16 @@ namespace TEN::Entities::Vehicles
 {
 	struct SkidooInfo
 	{
-		short TurnRate;
+		int LeftVerticalVelocity = 0;
-		short MomentumAngle;
+		int RightVerticalVelocity = 0;
-		short ExtraRotation;
 
-		int LeftVerticalVelocity;
+		short TurnRate = 0;
-		int RightVerticalVelocity;
+		short MomentumAngle = 0;
+		short ExtraRotation = 0;
 
-		int Pitch;
+		int Pitch = 0;
-		int FlashTimer;
+		int FlashTimer = 0;
-		short TrackMesh;
+		short TrackMesh = 0;
-		bool Armed;
+		bool Armed = false;
 	};
 }

TombEngine/Objects/TR2/Vehicles/speedboat.cpp

@@ -0,0 +1,913 @@
+#include "framework.h"
+#include "Objects/TR2/Vehicles/speedboat.h"
+
+#include "Game/animation.h"
+#include "Game/camera.h"
+#include "Game/collision/collide_item.h"
+#include "Game/collision/sphere.h"
+#include "Game/effects/effects.h"
+#include "Game/items.h"
+#include "Game/Lara/lara.h"
+#include "Game/Lara/lara_helpers.h"
+#include "Game/effects/simple_particle.h"
+#include "Objects/TR2/Vehicles/speedboat_info.h"
+#include "Objects/Utils/VehicleHelpers.h"
+#include "Sound/sound.h"
+#include "Specific/input.h"
+#include "Specific/level.h"
+#include "Specific/setup.h"
+
+using std::vector;
+using namespace TEN::Input;
+
+namespace TEN::Entities::Vehicles
+{
+	const vector<VehicleMountType> SpeedboatMountTypes =
+	{
+		VehicleMountType::LevelStart,
+		VehicleMountType::Left,
+		VehicleMountType::Right,
+		VehicleMountType::Jump
+	};
+
+	constexpr auto SPEEDBOAT_RADIUS = 500;
+	constexpr auto SPEEDBOAT_FRONT = 750;
+	constexpr auto SPEEDBOAT_BACK = -700;
+	constexpr auto SPEEDBOAT_SIDE = 300;
+	constexpr auto SPEEDBOAT_SLIP = 10;
+	constexpr auto SPEEDBOAT_SLIP_SIDE = 30;
+	constexpr auto SPEEDBOAT_MOUNT_DISTANCE = CLICK(2.25f);
+	constexpr auto SPEEDBOAT_DISMOUNT_DISTANCE = SECTOR(1);
+
+	constexpr auto SPEEDBOAT_VELOCITY_ACCEL = 5;
+	constexpr auto SPEEDBOAT_VELOCITY_DECEL = 1;
+	constexpr auto SPEEDBOAT_VELOCITY_BRAKE_DECEL = 5;
+	constexpr auto SPEEDBOAT_REVERSE_VELOCITY_DECEL = 5;
+
+	constexpr auto SPEEDBOAT_VELOCITY_MIN = 20;
+	constexpr auto SPEEDBOAT_SLOW_VELOCITY_MAX = 37;
+	constexpr auto SPEEDBOAT_NORMAL_VELOCITY_MAX = 110;
+	constexpr auto SPEEDBOAT_FAST_VELOCITY_MAX = 185;
+	constexpr auto SPEEDBOAT_REVERSE_VELOCITY_MAX = 20;
+
+	constexpr auto SPEEDBOAT_STEP_HEIGHT_MAX = CLICK(1); // Unused.
+	constexpr auto SPEEDBOAT_SOUND_CEILING = SECTOR(5); // Unused.
+	constexpr auto SPEEDBOAT_TIP = SPEEDBOAT_FRONT + 250;
+
+	#define SPEEDBOAT_TURN_RATE_ACCEL (ANGLE(0.25f) / 2)
+	#define SPEEDBOAT_TURN_RATE_DECEL ANGLE(0.25f)
+	#define SPEEDBOAT_TURN_RATE_MAX	  ANGLE(4.0f)
+
+	enum SpeedboatState
+	{
+		SPEEDBOAT_STATE_MOUNT = 0,
+		SPEEDBOAT_STATE_IDLE = 1,
+		SPEEDBOAT_STATE_MOVING = 2,
+		SPEEDBOAT_STATE_DISMOUNT_RIGHT = 3,
+		SPEEDBOAT_STATE_DISMOUNT_LEFT = 4,
+		SPEEDBOAT_STATE_HIT = 5,
+		SPEEDBOAT_STATE_FALL = 6,
+		SPEEDBOAT_STATE_TURN_RIGHT = 7,
+		SPEEDBOAT_STATE_DEATH = 8,
+		SPEEDBOAT_STATE_TURN_LEFT = 9
+	};
+
+	enum SpeedboatAnim
+	{
+		SPEEDBOAT_ANIM_MOUNT_LEFT = 0,
+		SPEEDBOAT_ANIM_IDLE = 1,	// ?
+		SPEEDBOAT_ANIM_FORWARD = 2,	// ?
+
+		SPEEDBOAT_ANIM_DISMOUNT_LEFT = 5,
+		SPEEDBOAT_ANIM_MOUNT_JUMP = 6,
+		SPEEDBOAT_ANIM_DISMOUNT_RIGHT = 7,
+		SPEEDBOAT_ANIM_MOUNT_RIGHT = 8,
+
+		SPEEDBOAT_ANIM_HIT_LEFT = 11,
+		SPEEDBOAT_ANIM_HIT_RIGHT = 12,
+		SPEEDBOAT_ANIM_HIT_FRONT = 13,
+		SPEEDBOAT_ANIM_HIT_BACK = 14,
+		SPEEDBOAT_ANIM_LEAP_START = 15,
+		SPEEDBOAT_ANIM_LEAP = 16,
+		SPEEDBOAT_ANIM_LEAP_END = 17,
+		SPEEDBOAT_ANIM_DEATH = 18
+	};
+
+	SpeedboatInfo* GetSpeedboatInfo(ItemInfo* speedboatItem)
+	{
+		return (SpeedboatInfo*)speedboatItem->Data;
+	}
+
+	void InitialiseSpeedboat(short itemNumber)
+	{
+		auto* speedboatItem = &g_Level.Items[itemNumber];
+		speedboatItem->Data = SpeedboatInfo();
+		auto* speedboat = GetSpeedboatInfo(speedboatItem);
+	}
+
+	void SpeedboatPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
+	{
+		auto* speedboatItem = &g_Level.Items[itemNumber];
+		auto* lara = GetLaraInfo(laraItem);
+
+		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
+			return;
+
+		auto mountType = GetVehicleMountType(speedboatItem, laraItem, coll, SpeedboatMountTypes, SPEEDBOAT_MOUNT_DISTANCE, LARA_HEIGHT);
+		if (mountType == VehicleMountType::None)
+		{
+			coll->Setup.EnableObjectPush = true;
+			ObjectCollision(itemNumber, laraItem, coll);
+		}
+		else
+		{
+			lara->Vehicle = itemNumber;
+			DoSpeedboatMount(speedboatItem, laraItem,mountType);
+
+			if (g_Level.Items[itemNumber].Status != ITEM_ACTIVE)
+			{
+				AddActiveItem(itemNumber);
+				g_Level.Items[itemNumber].Status = ITEM_ACTIVE;
+			}
+		}
+	}
+
+	void DoSpeedboatMount(ItemInfo* speedboatItem, ItemInfo* laraItem, VehicleMountType mountType)
+	{
+		auto* lara = GetLaraInfo(laraItem);
+
+		switch (mountType)
+		{
+		case VehicleMountType::LevelStart:
+			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SPEEDBOAT_ANIM_IDLE;
+			laraItem->Animation.ActiveState = SPEEDBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOUNT;
+			break;
+
+		case VehicleMountType::Left:
+			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SPEEDBOAT_ANIM_MOUNT_LEFT;
+			laraItem->Animation.ActiveState = SPEEDBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOUNT;
+			break;
+
+		case VehicleMountType::Right:
+			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SPEEDBOAT_ANIM_MOUNT_RIGHT;
+			laraItem->Animation.ActiveState = SPEEDBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOUNT;
+			break;
+
+		default:
+		case VehicleMountType::Jump:
+			laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SPEEDBOAT_ANIM_MOUNT_JUMP;
+			laraItem->Animation.ActiveState = SPEEDBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOUNT;
+			break;
+		} 
+		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+
+		if (laraItem->RoomNumber != speedboatItem->RoomNumber)
+			ItemNewRoom(lara->ItemNumber, speedboatItem->RoomNumber);
+
+		laraItem->Pose.Position = speedboatItem->Pose.Position;
+		laraItem->Pose.Position.y -= 5;
+		laraItem->Pose.Orientation = Vector3Shrt(0, speedboatItem->Pose.Orientation.y, 0);
+		laraItem->Animation.IsAirborne = false;
+		laraItem->Animation.Velocity = 0;
+		laraItem->Animation.VerticalVelocity = 0;
+		lara->Control.WaterStatus = WaterStatus::Dry;
+
+		AnimateItem(laraItem);
+	}
+
+	bool TestSpeedboatDismount(ItemInfo* speedboatItem, int direction)
+	{
+		short angle;
+		if (direction < 0)
+			angle = speedboatItem->Pose.Orientation.y - ANGLE(90.0f);
+		else
+			angle = speedboatItem->Pose.Orientation.y + ANGLE(90.0f);
+
+		int x = speedboatItem->Pose.Position.x +  SPEEDBOAT_DISMOUNT_DISTANCE * phd_sin(angle);
+		int y = speedboatItem->Pose.Position.y;
+		int z = speedboatItem->Pose.Position.z +  SPEEDBOAT_DISMOUNT_DISTANCE * phd_cos(angle);
+		auto probe = GetCollision(x, y, z, speedboatItem->RoomNumber);
+
+		if ((probe.Position.Floor - speedboatItem->Pose.Position.y) < -CLICK(2))
+			return false;
+
+		if (probe.Position.FloorSlope ||
+			probe.Position.Floor == NO_HEIGHT)
+		{
+			return false;
+		}
+
+		if ((probe.Position.Floor - probe.Position.Ceiling) < LARA_HEIGHT ||
+			(probe.Position.Ceiling - speedboatItem->Pose.Position.y) > -LARA_HEIGHT)
+		{
+			return false;
+		}
+
+		return true;
+	}
+
+	void DoSpeedboatDismount(ItemInfo* speedboatItem, ItemInfo* laraItem)
+	{
+		auto* lara = GetLaraInfo(laraItem);
+
+		if ((laraItem->Animation.ActiveState == SPEEDBOAT_STATE_DISMOUNT_LEFT ||
+			laraItem->Animation.ActiveState == SPEEDBOAT_STATE_DISMOUNT_RIGHT) &&
+			TestLastFrame(laraItem, laraItem->Animation.AnimNumber))
+		{
+			if (laraItem->Animation.ActiveState == SPEEDBOAT_STATE_DISMOUNT_LEFT)
+				laraItem->Pose.Orientation.y -= ANGLE(90.0f);
+			else if (laraItem->Animation.ActiveState == SPEEDBOAT_STATE_DISMOUNT_RIGHT)
+				laraItem->Pose.Orientation.y += ANGLE(90.0f);
+
+			SetAnimation(laraItem, LA_JUMP_FORWARD);
+			laraItem->Animation.IsAirborne = true;
+			laraItem->Animation.Velocity = 40;
+			laraItem->Animation.VerticalVelocity = -50;
+			laraItem->Pose.Orientation.x = 0;
+			laraItem->Pose.Orientation.z = 0;
+			lara->Vehicle = NO_ITEM;
+
+			int x = laraItem->Pose.Position.x + 360 * phd_sin(laraItem->Pose.Orientation.y);
+			int y = laraItem->Pose.Position.y - 90;
+			int z = laraItem->Pose.Position.z + 360 * phd_cos(laraItem->Pose.Orientation.y);
+			auto probe = GetCollision(x, y, z, laraItem->RoomNumber);
+
+			if (probe.Position.Floor >= (y - CLICK(1)))
+			{
+				laraItem->Pose.Position.x = x;
+				laraItem->Pose.Position.z = z;
+
+				if (probe.RoomNumber != laraItem->RoomNumber)
+					ItemNewRoom(lara->ItemNumber, probe.RoomNumber);
+			}
+			laraItem->Pose.Position.y = y;
+
+			speedboatItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT].animIndex;
+			speedboatItem->Animation.FrameNumber = g_Level.Anims[speedboatItem->Animation.AnimNumber].frameBase;
+		}
+	}
+
+	void SpeedboatDoBoatShift(ItemInfo* speedboatItem, int itemNumber)
+	{
+		short itemNumber2 = g_Level.Rooms[speedboatItem->RoomNumber].itemNumber;
+		while (itemNumber2 != NO_ITEM)
+		{
+			auto* item = &g_Level.Items[itemNumber2];
+
+			if (item->ObjectNumber == ID_SPEEDBOAT && itemNumber2 != itemNumber && Lara.Vehicle != itemNumber2)
+			{
+				int x = item->Pose.Position.x - speedboatItem->Pose.Position.x;
+				int z = item->Pose.Position.z - speedboatItem->Pose.Position.z;
+
+				int distance = pow(x, 2) + pow(z, 2);
+				int radius = pow(SPEEDBOAT_RADIUS * 2, 2);
+				if (distance < radius)
+				{
+					speedboatItem->Pose.Position.x = item->Pose.Position.x - x * radius / distance;
+					speedboatItem->Pose.Position.z = item->Pose.Position.z - z * radius / distance;
+				}
+
+				return;
+			}
+
+			// TODO: mine and gondola
+
+			itemNumber2 = item->NextItem;
+		}
+	}
+
+	short SpeedboatDoShift(ItemInfo* speedboatItem, Vector3Int* pos, Vector3Int* old)
+	{
+		int x = pos->x / SECTOR(1);
+		int z = pos->z / SECTOR(1);
+
+		int xOld = old->x / SECTOR(1);
+		int zOld = old->z / SECTOR(1);
+
+		int shiftX = pos->x & (SECTOR(1) - 1);
+		int shiftZ = pos->z & (SECTOR(1) - 1);
+
+		if (x == xOld)
+		{
+			if (z == zOld)
+			{
+				speedboatItem->Pose.Position.z += (old->z - pos->z);
+				speedboatItem->Pose.Position.x += (old->x - pos->x);
+			}
+			else if (z > zOld)
+			{
+				speedboatItem->Pose.Position.z -= shiftZ + 1;
+				return (pos->x - speedboatItem->Pose.Position.x);
+			}
+			else
+			{
+				speedboatItem->Pose.Position.z += SECTOR(1) - shiftZ;
+				return (speedboatItem->Pose.Position.x - pos->x);
+			}
+		}
+		else if (z == zOld)
+		{
+			if (x > xOld)
+			{
+				speedboatItem->Pose.Position.x -= shiftX + 1;
+				return (speedboatItem->Pose.Position.z - pos->z);
+			}
+			else
+			{
+				speedboatItem->Pose.Position.x += SECTOR(1) - shiftX;
+				return (pos->z - speedboatItem->Pose.Position.z);
+			}
+		}
+		else
+		{
+			x = 0;
+			z = 0;
+
+			auto probe = GetCollision(old->x, pos->y, pos->z, speedboatItem->RoomNumber);
+			if (probe.Position.Floor < (old->y - CLICK(1)))
+			{
+				if (pos->z > old->z)
+					z = -shiftZ - 1;
+				else
+					z = SECTOR(1) - shiftZ;
+			}
+
+			probe = GetCollision(pos->x, pos->y, old->z, speedboatItem->RoomNumber);
+			if (probe.Position.Floor < (old->y - CLICK(1)))
+			{
+				if (pos->x > old->x)
+					x = -shiftX - 1;
+				else
+					x = SECTOR(1) - shiftX;
+			}
+
+			if (x && z)
+			{
+				speedboatItem->Pose.Position.z += z;
+				speedboatItem->Pose.Position.x += x;
+			}
+			else if (z)
+			{
+				speedboatItem->Pose.Position.z += z;
+				if (z > 0)
+					return (speedboatItem->Pose.Position.x - pos->x);
+				else
+					return (pos->x - speedboatItem->Pose.Position.x);
+			}
+			else if (x)
+			{
+				speedboatItem->Pose.Position.x += x;
+				if (x > 0)
+					return (pos->z - speedboatItem->Pose.Position.z);
+				else
+					return (speedboatItem->Pose.Position.z - pos->z);
+			}
+			else
+			{
+				speedboatItem->Pose.Position.z += (old->z - pos->z);
+				speedboatItem->Pose.Position.x += (old->x - pos->x);
+			}
+		}
+
+		return 0;
+	}
+
+	int GetSpeedboatHitAnim(ItemInfo* speedboatItem, Vector3Int* moved)
+	{
+		moved->x = speedboatItem->Pose.Position.x - moved->x;
+		moved->z = speedboatItem->Pose.Position.z - moved->z;
+
+		if (moved->x || moved->z)
+		{
+			float sinY = phd_sin(speedboatItem->Pose.Orientation.y);
+			float cosY = phd_cos(speedboatItem->Pose.Orientation.y);
+
+			int front = (moved->z * cosY) + (moved->x * sinY);
+			int side = (moved->z * -sinY) + (moved->x * cosY);
+
+			if (abs(front) > abs(side))
+			{
+				if (front > 0)
+					return SPEEDBOAT_ANIM_HIT_BACK;
+				else
+					return SPEEDBOAT_ANIM_HIT_FRONT;
+			}
+			else
+			{
+				if (side > 0)
+					return SPEEDBOAT_ANIM_HIT_LEFT;
+				else
+					return SPEEDBOAT_ANIM_HIT_RIGHT;
+			}
+		}
+
+		return 0;
+	}
+
+	int DoSpeedboatDynamics(int height, int verticalVelocity, int* y)
+	{
+		if (height > *y)
+		{
+			*y += verticalVelocity;
+			if (*y > height)
+			{
+				*y = height;
+				verticalVelocity = 0;
+			}
+			else
+				verticalVelocity += GRAVITY;
+		}
+		else
+		{
+			verticalVelocity += ((height - *y - verticalVelocity) / 8);
+			if (verticalVelocity < -SPEEDBOAT_REVERSE_VELOCITY_MAX)
+				verticalVelocity = -SPEEDBOAT_REVERSE_VELOCITY_MAX;
+
+			if (*y > height)
+				*y = height;
+		}
+
+		return verticalVelocity;
+	}
+
+	int SpeedboatDynamics(short itemNumber, ItemInfo* laraItem)
+	{
+		auto* speedboatItem = &g_Level.Items[itemNumber];
+		auto* speedboat = GetSpeedboatInfo(speedboatItem);
+		auto* lara = GetLaraInfo(laraItem);
+
+		speedboatItem->Pose.Orientation.z -= speedboat->LeanAngle;
+
+		Vector3Int old, frontLeftOld, frontRightOld, backLeftOld, backRightOld, frontOld;
+		int heightFrontLeftOld = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_FRONT, -SPEEDBOAT_SIDE, true, &frontLeftOld);
+		int heightFrontRightOld = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_FRONT, SPEEDBOAT_SIDE, true, &frontRightOld);
+		int heightBackLeftOld = GetVehicleWaterHeight(speedboatItem, -SPEEDBOAT_FRONT, -SPEEDBOAT_SIDE, true, &backLeftOld);
+		int heightBackRightOld = GetVehicleWaterHeight(speedboatItem, -SPEEDBOAT_FRONT, SPEEDBOAT_SIDE, true, &backRightOld);
+		int heightFrontOld = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_TIP, 0, true, &frontOld);
+
+		old.x = speedboatItem->Pose.Position.x;
+		old.y = speedboatItem->Pose.Position.y;
+		old.z = speedboatItem->Pose.Position.z;
+
+		speedboatItem->Pose.Orientation.y += speedboat->TurnRate + speedboat->ExtraRotation;
+		speedboat->LeanAngle = speedboat->TurnRate * 6;
+
+		speedboatItem->Pose.Position.x += speedboatItem->Animation.Velocity * phd_sin(speedboatItem->Pose.Orientation.y);
+		speedboatItem->Pose.Position.z += speedboatItem->Animation.Velocity * phd_cos(speedboatItem->Pose.Orientation.y);
+
+		int slip = SPEEDBOAT_SLIP_SIDE * phd_sin(speedboatItem->Pose.Orientation.z);
+		if (!slip && speedboatItem->Pose.Orientation.z)
+			slip = (speedboatItem->Pose.Orientation.z > 0) ? 1 : -1;
+		speedboatItem->Pose.Position.x += slip * phd_sin(speedboatItem->Pose.Orientation.y);
+		speedboatItem->Pose.Position.z -= slip * phd_cos(speedboatItem->Pose.Orientation.y);
+
+		slip = SPEEDBOAT_SLIP * phd_sin(speedboatItem->Pose.Orientation.x);
+		if (!slip && speedboatItem->Pose.Orientation.x)
+			slip = (speedboatItem->Pose.Orientation.x > 0) ? 1 : -1;
+		speedboatItem->Pose.Position.x -= slip * phd_sin(speedboatItem->Pose.Orientation.y);
+		speedboatItem->Pose.Position.z -= slip * phd_cos(speedboatItem->Pose.Orientation.y);
+
+		auto moved = Vector3Int(speedboatItem->Pose.Position.x, 0, speedboatItem->Pose.Position.z);
+
+		SpeedboatDoBoatShift(speedboatItem, itemNumber);
+
+		Vector3Int fl, fr, br, bl, f;
+		short rotation = 0;
+		auto heightBackLeft = GetVehicleWaterHeight(speedboatItem, -SPEEDBOAT_FRONT, -SPEEDBOAT_SIDE, false, &bl);
+		if (heightBackLeft < (backLeftOld.y - CLICK(0.5f)))
+			rotation = SpeedboatDoShift(speedboatItem, &bl, &backLeftOld);
+
+		auto heightBackRight = GetVehicleWaterHeight(speedboatItem, -SPEEDBOAT_FRONT, SPEEDBOAT_SIDE, false, &br);
+		if (heightBackRight < (backRightOld.y - CLICK(0.5f)))
+			rotation += SpeedboatDoShift(speedboatItem, &br, &backRightOld);
+
+		auto heightFrontLeft = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_FRONT, -SPEEDBOAT_SIDE, false, &fl);
+		if (heightFrontLeft < (frontLeftOld.y - CLICK(0.5f)))
+			rotation += SpeedboatDoShift(speedboatItem, &fl, &frontLeftOld);
+
+		auto heightFrontRight = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_FRONT, SPEEDBOAT_SIDE, false, &fr);
+		if (heightFrontRight < (frontRightOld.y - CLICK(0.5f)))
+			rotation += SpeedboatDoShift(speedboatItem, &fr, &frontRightOld);
+
+		int heightFront = 0;
+		if (!slip)
+		{
+			heightFront = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_TIP, 0, false, &f);
+			if (heightFront < (frontOld.y - CLICK(0.5f)))
+				SpeedboatDoShift(speedboatItem, &f, &frontOld);
+		}
+
+		auto probe = GetCollision(speedboatItem);
+		auto height = GetWaterHeight(speedboatItem->Pose.Position.x, speedboatItem->Pose.Position.y - 5, speedboatItem->Pose.Position.z, probe.RoomNumber);
+
+		if (height == NO_HEIGHT)
+			height = GetFloorHeight(probe.Block, speedboatItem->Pose.Position.x, speedboatItem->Pose.Position.y - 5, speedboatItem->Pose.Position.z);
+
+		if (height < (speedboatItem->Pose.Position.y - CLICK(0.5f)))
+			SpeedboatDoShift(speedboatItem, (Vector3Int*)&speedboatItem->Pose, &old);
+
+		speedboat->ExtraRotation = rotation;
+
+		DoVehicleCollision(speedboatItem, SPEEDBOAT_RADIUS);
+
+		auto collide = GetSpeedboatHitAnim(speedboatItem, &moved);
+
+		int newVelocity = 0;
+		if (slip || collide)
+		{
+			newVelocity = (speedboatItem->Pose.Position.z - old.z) * phd_cos(speedboatItem->Pose.Orientation.y) + (speedboatItem->Pose.Position.x - old.x) * phd_sin(speedboatItem->Pose.Orientation.y);
+
+			if (lara->Vehicle == itemNumber && speedboatItem->Animation.Velocity > SPEEDBOAT_NORMAL_VELOCITY_MAX + SPEEDBOAT_VELOCITY_ACCEL && newVelocity < speedboatItem->Animation.Velocity - 10)
+			{
+				DoDamage(laraItem, speedboatItem->Animation.Velocity);
+				SoundEffect(SFX_TR4_LARA_INJURY, &laraItem->Pose);
+				newVelocity /= 2;
+				speedboatItem->Animation.Velocity /= 2;
+			}
+
+			if (slip)
+			{
+				if (speedboatItem->Animation.Velocity <= SPEEDBOAT_NORMAL_VELOCITY_MAX + 10)
+					speedboatItem->Animation.Velocity = newVelocity;
+			}
+			else
+			{
+				if (speedboatItem->Animation.Velocity > 0 && newVelocity < speedboatItem->Animation.Velocity)
+					speedboatItem->Animation.Velocity = newVelocity;
+				else if (speedboatItem->Animation.Velocity < 0 && newVelocity > speedboatItem->Animation.Velocity)
+					speedboatItem->Animation.Velocity = newVelocity;
+			}
+
+			if (speedboatItem->Animation.Velocity < -SPEEDBOAT_REVERSE_VELOCITY_MAX)
+				speedboatItem->Animation.Velocity = -SPEEDBOAT_REVERSE_VELOCITY_MAX;
+		}
+
+		return collide;
+	}
+
+	bool SpeedboatUserControl(ItemInfo* speedboatItem, ItemInfo* laraItem)
+	{
+		auto* speedboat = GetSpeedboatInfo(speedboatItem);
+
+		bool noTurn = true;
+		int maxVelocity;
+
+		if (speedboatItem->Pose.Position.y >= speedboat->Water - CLICK(0.5f) && speedboat->Water != NO_HEIGHT)
+		{
+			if (!(TrInput & VEHICLE_IN_DISMOUNT) && !(TrInput & IN_LOOK) ||
+				speedboatItem->Animation.Velocity)
+			{
+				if (TrInput & VEHICLE_IN_LEFT && !(TrInput & VEHICLE_IN_REVERSE) ||
+					TrInput & VEHICLE_IN_RIGHT && TrInput & VEHICLE_IN_REVERSE)
+				{
+					if (speedboat->TurnRate > 0)
+						speedboat->TurnRate -= SPEEDBOAT_TURN_RATE_DECEL;
+					else
+					{
+						speedboat->TurnRate -= SPEEDBOAT_TURN_RATE_ACCEL;
+						if (speedboat->TurnRate < -SPEEDBOAT_TURN_RATE_MAX)
+							speedboat->TurnRate = -SPEEDBOAT_TURN_RATE_MAX;
+					}
+
+					noTurn = false;
+				}
+				else if (TrInput & VEHICLE_IN_RIGHT && !(TrInput & VEHICLE_IN_REVERSE) ||
+					TrInput & VEHICLE_IN_LEFT && TrInput & VEHICLE_IN_REVERSE)
+				{
+					if (speedboat->TurnRate < 0)
+						speedboat->TurnRate += SPEEDBOAT_TURN_RATE_DECEL;
+					else
+					{
+						speedboat->TurnRate += SPEEDBOAT_TURN_RATE_ACCEL;
+						if (speedboat->TurnRate > SPEEDBOAT_TURN_RATE_MAX)
+							speedboat->TurnRate = SPEEDBOAT_TURN_RATE_MAX;
+					}
+
+					noTurn = false;
+				}
+
+				if (TrInput & VEHICLE_IN_REVERSE)
+				{
+					if (speedboatItem->Animation.Velocity > 0)
+						speedboatItem->Animation.Velocity -= SPEEDBOAT_VELOCITY_BRAKE_DECEL;
+					else if (speedboatItem->Animation.Velocity > -SPEEDBOAT_REVERSE_VELOCITY_MAX)
+						speedboatItem->Animation.Velocity -= SPEEDBOAT_REVERSE_VELOCITY_DECEL;
+				}
+				else if (TrInput & VEHICLE_IN_ACCELERATE)
+				{
+					if (TrInput & VEHICLE_IN_SPEED)
+						maxVelocity = SPEEDBOAT_FAST_VELOCITY_MAX;
+					else
+						maxVelocity = (TrInput & VEHICLE_IN_SLOW) ? SPEEDBOAT_SLOW_VELOCITY_MAX : SPEEDBOAT_NORMAL_VELOCITY_MAX;
+
+					if (speedboatItem->Animation.Velocity < maxVelocity)
+						speedboatItem->Animation.Velocity += (SPEEDBOAT_VELOCITY_ACCEL / 2) + (SPEEDBOAT_VELOCITY_ACCEL * (speedboatItem->Animation.Velocity / (maxVelocity * 2)));
+					else if (speedboatItem->Animation.Velocity > (maxVelocity + SPEEDBOAT_VELOCITY_DECEL))
+						speedboatItem->Animation.Velocity -= SPEEDBOAT_VELOCITY_DECEL;
+				}
+				else if (TrInput & (VEHICLE_IN_LEFT | VEHICLE_IN_RIGHT) &&
+					speedboatItem->Animation.Velocity >= 0 &&
+					speedboatItem->Animation.Velocity < SPEEDBOAT_VELOCITY_MIN)
+				{
+					if (!(TrInput & VEHICLE_IN_DISMOUNT) &&
+						speedboatItem->Animation.Velocity == 0)
+						speedboatItem->Animation.Velocity = SPEEDBOAT_VELOCITY_MIN;
+				}
+				else if (speedboatItem->Animation.Velocity > SPEEDBOAT_VELOCITY_DECEL)
+					speedboatItem->Animation.Velocity -= SPEEDBOAT_VELOCITY_DECEL;
+				else
+					speedboatItem->Animation.Velocity = 0;
+			}
+			else
+			{
+				if (TrInput & (VEHICLE_IN_LEFT | VEHICLE_IN_RIGHT) &&
+					speedboatItem->Animation.Velocity >= 0 &&
+					speedboatItem->Animation.Velocity < SPEEDBOAT_VELOCITY_MIN)
+				{
+					if (speedboatItem->Animation.Velocity == 0 && !(TrInput & VEHICLE_IN_DISMOUNT))
+						speedboatItem->Animation.Velocity = SPEEDBOAT_VELOCITY_MIN;
+				}
+				else if (speedboatItem->Animation.Velocity > SPEEDBOAT_VELOCITY_DECEL)
+					speedboatItem->Animation.Velocity -= SPEEDBOAT_VELOCITY_DECEL;
+				else
+					speedboatItem->Animation.Velocity = 0;
+
+				if (TrInput & IN_LOOK && speedboatItem->Animation.Velocity == 0)
+					LookUpDown(laraItem);
+			}
+		}
+
+		return noTurn;
+	}
+
+	void SpeedboatAnimation(ItemInfo* speedboatItem, ItemInfo* laraItem, int collide)
+	{
+		auto* speedboat = GetSpeedboatInfo(speedboatItem);
+
+		if (laraItem->HitPoints <= 0)
+		{
+			if (laraItem->Animation.ActiveState != SPEEDBOAT_STATE_DEATH)
+			{
+				laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SPEEDBOAT_ANIM_DEATH;
+				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+				laraItem->Animation.ActiveState = laraItem->Animation.TargetState = SPEEDBOAT_STATE_DEATH;
+			}
+		}
+		else if (speedboatItem->Pose.Position.y < speedboat->Water - CLICK(0.5f) && speedboatItem->Animation.VerticalVelocity > 0)
+		{
+			if (laraItem->Animation.ActiveState != SPEEDBOAT_STATE_FALL)
+			{
+				laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + SPEEDBOAT_ANIM_LEAP_START;
+				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+				laraItem->Animation.ActiveState = laraItem->Animation.TargetState = SPEEDBOAT_STATE_FALL;
+			}
+		}
+		else if (collide)
+		{
+			if (laraItem->Animation.ActiveState != SPEEDBOAT_STATE_HIT)
+			{
+				laraItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex + collide;
+				laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+				laraItem->Animation.ActiveState = laraItem->Animation.TargetState = SPEEDBOAT_STATE_HIT;
+			}
+		}
+		else
+		{
+			switch (laraItem->Animation.ActiveState)
+			{
+			case SPEEDBOAT_STATE_IDLE:
+				if (TrInput & VEHICLE_IN_DISMOUNT)
+				{
+					if (speedboatItem->Animation.Velocity == 0)
+					{
+						if (TrInput & VEHICLE_IN_RIGHT && TestSpeedboatDismount(speedboatItem, speedboatItem->Pose.Orientation.y + ANGLE(90.0f)))
+							laraItem->Animation.TargetState = SPEEDBOAT_STATE_DISMOUNT_RIGHT;
+						else if (TrInput & VEHICLE_IN_LEFT && TestSpeedboatDismount(speedboatItem, speedboatItem->Pose.Orientation.y - ANGLE(90.0f)))
+							laraItem->Animation.TargetState = SPEEDBOAT_STATE_DISMOUNT_LEFT;
+					}
+				}
+
+				if (speedboatItem->Animation.Velocity > 0)
+					laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOVING;
+
+				break;
+
+			case SPEEDBOAT_STATE_MOVING:
+				if (TrInput & VEHICLE_IN_DISMOUNT)
+				{
+					if (TrInput & VEHICLE_IN_RIGHT)
+						laraItem->Animation.TargetState = SPEEDBOAT_STATE_DISMOUNT_RIGHT;
+					else if (TrInput & VEHICLE_IN_RIGHT)
+						laraItem->Animation.TargetState = SPEEDBOAT_STATE_DISMOUNT_LEFT;
+				}
+				else if (speedboatItem->Animation.Velocity <= 0)
+					laraItem->Animation.TargetState = SPEEDBOAT_STATE_IDLE;
+
+				break;
+
+			case SPEEDBOAT_STATE_FALL:
+				laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOVING;
+				break;
+
+				//case SPEEDBOAT_TURN_RATE_ACCELR:
+				if (speedboatItem->Animation.Velocity <= 0)
+					laraItem->Animation.TargetState = SPEEDBOAT_STATE_IDLE;
+				else if (!(TrInput & VEHICLE_IN_RIGHT))
+					laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOVING;
+
+				break;
+
+			case SPEEDBOAT_STATE_TURN_LEFT:
+				if (speedboatItem->Animation.Velocity <= 0)
+					laraItem->Animation.TargetState = SPEEDBOAT_STATE_IDLE;
+				else if (!(TrInput & VEHICLE_IN_LEFT))
+					laraItem->Animation.TargetState = SPEEDBOAT_STATE_MOVING;
+
+				break;
+			}
+		}
+	}
+
+	void SpeedboatSplash(ItemInfo* speedboatItem, long verticalVelocity, long water)
+	{
+		//OLD SPLASH
+		/*
+		splash_setup.x = speedboatItem->pos.x_pos;
+		splash_setup.y = water;
+		splash_setup.z = item->pos.z_pos;
+		splash_setup.InnerXZoff = 16 << 2;
+		splash_setup.InnerXZsize = 12 << 2;
+		splash_setup.InnerYsize = -96 << 2;
+		splash_setup.InnerXZvel = 0xa0;
+		splash_setup.InnerYvel = -fallspeed << 7;
+		splash_setup.InnerGravity = 0x80;
+		splash_setup.InnerFriction = 7;
+		splash_setup.MiddleXZoff = 24 << 2;
+		splash_setup.MiddleXZsize = 24 << 2;
+		splash_setup.MiddleYsize = -64 << 2;
+		splash_setup.MiddleXZvel = 0xe0;
+		splash_setup.MiddleYvel = -fallspeed << 6;
+		splash_setup.MiddleGravity = 0x48;
+		splash_setup.MiddleFriction = 8;
+		splash_setup.OuterXZoff = 32 << 2;
+		splash_setup.OuterXZsize = 32 << 2;
+		splash_setup.OuterXZvel = 0x110;
+		splash_setup.OuterFriction = 9;
+		SetupSplash(&splash_setup);
+		SplashCount = 16;
+		*/
+	}
+
+	void SpeedboatControl(short itemNumber)
+	{
+		auto* speedboatItem = &g_Level.Items[itemNumber];
+		auto* speedboat = GetSpeedboatInfo(speedboatItem);
+		auto* laraItem = LaraItem;
+		auto* lara = GetLaraInfo(laraItem);
+
+		int collide = SpeedboatDynamics(itemNumber, laraItem);
+
+		Vector3Int frontLeft, frontRight;
+		int heightFrontLeft = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_FRONT, -SPEEDBOAT_SIDE, true, &frontLeft);
+		int heightFrontRight = GetVehicleWaterHeight(speedboatItem, SPEEDBOAT_FRONT, SPEEDBOAT_SIDE, true, &frontRight);
+
+		auto probe = GetCollision(speedboatItem);
+
+		if (lara->Vehicle == itemNumber)
+		{
+			TestTriggers(speedboatItem, true);
+			TestTriggers(speedboatItem, false);
+		}
+
+		auto water = GetWaterHeight(speedboatItem->Pose.Position.x, speedboatItem->Pose.Position.y, speedboatItem->Pose.Position.z, probe.RoomNumber);
+		speedboat->Water = water;
+
+		bool noTurn = true;
+		bool drive = false;
+		bool idle = !speedboatItem->Animation.Velocity;
+
+		if (lara->Vehicle == itemNumber && laraItem->HitPoints > 0)
+		{
+			switch (laraItem->Animation.ActiveState)
+			{
+			case SPEEDBOAT_STATE_MOUNT:
+			case SPEEDBOAT_STATE_DISMOUNT_RIGHT:
+			case SPEEDBOAT_STATE_DISMOUNT_LEFT:
+				break;
+
+			default:
+				drive = true;
+				noTurn = SpeedboatUserControl(speedboatItem, laraItem);
+				break;
+			}
+		}
+		else
+		{
+			if (speedboatItem->Animation.Velocity > SPEEDBOAT_VELOCITY_DECEL)
+				speedboatItem->Animation.Velocity -= SPEEDBOAT_VELOCITY_DECEL;
+			else
+				speedboatItem->Animation.Velocity = 0;
+		}
+
+		if (noTurn)
+		{
+			if (speedboat->TurnRate < -SPEEDBOAT_TURN_RATE_DECEL)
+				speedboat->TurnRate += SPEEDBOAT_TURN_RATE_DECEL;
+			else if (speedboat->TurnRate > SPEEDBOAT_TURN_RATE_DECEL)
+				speedboat->TurnRate -= SPEEDBOAT_TURN_RATE_DECEL;
+			else
+				speedboat->TurnRate = 0;
+		}
+
+		speedboatItem->Floor = probe.Position.Floor - 5;
+		if (speedboat->Water == NO_HEIGHT)
+			speedboat->Water = probe.Position.Floor;
+		else
+			speedboat->Water -= 5;
+
+		speedboat->LeftVerticalVelocity = DoSpeedboatDynamics(heightFrontLeft, speedboat->LeftVerticalVelocity, (int*)&frontLeft.y);
+		speedboat->RightVerticalVelocity = DoSpeedboatDynamics(heightFrontRight, speedboat->RightVerticalVelocity, (int*)&frontRight.y);
+		speedboatItem->Animation.VerticalVelocity = DoSpeedboatDynamics(speedboat->Water, speedboatItem->Animation.VerticalVelocity, (int*)&speedboatItem->Pose.Position.y);
+
+		auto ofs = speedboatItem->Animation.VerticalVelocity;
+		if (ofs - speedboatItem->Animation.VerticalVelocity > 32 && speedboatItem->Animation.VerticalVelocity == 0 && water != NO_HEIGHT)
+			SpeedboatSplash(speedboatItem, ofs - speedboatItem->Animation.VerticalVelocity, water);
+
+		probe.Position.Floor = (frontLeft.y + frontRight.y);
+		if (probe.Position.Floor < 0)
+			probe.Position.Floor = -(abs(probe.Position.Floor) / 2);
+		else
+			probe.Position.Floor /= 2;
+
+		short xRot = phd_atan(SPEEDBOAT_FRONT, speedboatItem->Pose.Position.y - probe.Position.Floor);
+		short zRot = phd_atan(SPEEDBOAT_SIDE, probe.Position.Floor - frontLeft.y);
+
+		speedboatItem->Pose.Orientation.x += ((xRot - speedboatItem->Pose.Orientation.x) / 2);
+		speedboatItem->Pose.Orientation.z += ((zRot - speedboatItem->Pose.Orientation.z) / 2);
+
+		if (!xRot && abs(speedboatItem->Pose.Orientation.x) < 4)
+			speedboatItem->Pose.Orientation.x = 0;
+		if (!zRot && abs(speedboatItem->Pose.Orientation.z) < 4)
+			speedboatItem->Pose.Orientation.z = 0;
+
+		if (lara->Vehicle == itemNumber)
+		{
+			SpeedboatAnimation(speedboatItem, laraItem, collide);
+
+			if (probe.RoomNumber != speedboatItem->RoomNumber)
+			{
+				ItemNewRoom(lara->Vehicle, probe.RoomNumber);
+				ItemNewRoom(lara->ItemNumber, probe.RoomNumber);
+			}
+
+			laraItem->Pose = speedboatItem->Pose;
+			speedboatItem->Pose.Orientation.z += speedboat->LeanAngle;
+
+			AnimateItem(laraItem);
+
+			if (laraItem->HitPoints > 0)
+			{
+				speedboatItem->Animation.AnimNumber = Objects[ID_SPEEDBOAT].animIndex + (laraItem->Animation.AnimNumber - Objects[ID_SPEEDBOAT_LARA_ANIMS].animIndex);
+				speedboatItem->Animation.FrameNumber = g_Level.Anims[speedboatItem->Animation.AnimNumber].frameBase + (laraItem->Animation.FrameNumber - g_Level.Anims[laraItem->Animation.AnimNumber].frameBase);
+			}
+
+			Camera.targetElevation = -ANGLE(20.0f);
+			Camera.targetDistance = SECTOR(2);
+
+			auto pitch = speedboatItem->Animation.Velocity;
+			speedboat->Pitch += (pitch - speedboat->Pitch) / 4;
+
+			if (drive)
+			{
+				bool accelerating = idle && abs(speedboatItem->Animation.Velocity) > 4;
+				bool moving = (abs(speedboatItem->Animation.Velocity) > 8 || speedboat->TurnRate);
+				int fx = accelerating ? SFX_TR2_VEHICLE_SPEEDBOAT_ACCELERATE : (moving ? SFX_TR2_VEHICLE_SPEEDBOAT_MOVING : SFX_TR2_VEHICLE_SPEEDBOAT_IDLE);
+				float pitch  = idle ? 1.0f : 1.0f + speedboat->Pitch / (float)SPEEDBOAT_NORMAL_VELOCITY_MAX / 4.0f;
+				SoundEffect(fx, &speedboatItem->Pose, SoundEnvironment::Land, pitch);
+			}
+		}
+		else
+		{
+			if (probe.RoomNumber != speedboatItem->RoomNumber)
+				ItemNewRoom(itemNumber, probe.RoomNumber);
+
+			speedboatItem->Pose.Orientation.z += speedboat->LeanAngle;
+		}
+
+		if (speedboatItem->Animation.Velocity && (water - 5) == speedboatItem->Pose.Position.y)
+		{
+			auto room = probe.Block->RoomBelow(speedboatItem->Pose.Position.x, speedboatItem->Pose.Position.z).value_or(NO_ROOM);
+			if (room != NO_ROOM && (TestEnvironment(RoomEnvFlags::ENV_FLAG_WATER, room) || TestEnvironment(RoomEnvFlags::ENV_FLAG_SWAMP, room)))
+				TEN::Effects::TriggerSpeedboatFoam(speedboatItem, Vector3(0.0f, 0.0f, SPEEDBOAT_BACK));
+		}
+
+		if (lara->Vehicle != itemNumber)
+			return;
+
+		DoSpeedboatDismount(speedboatItem, laraItem);
+	}
+}

TombEngine/Objects/TR2/Vehicles/speedboat.h

@@ -0,0 +1,26 @@
+#pragma once
+#include "Objects/Utils/VehicleHelpers.h"
+
+struct CollisionInfo;
+struct ItemInfo;
+
+namespace TEN::Entities::Vehicles
+{
+	void InitialiseSpeedboat(short itemNumber);
+
+	void SpeedboatPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoSpeedboatMount(ItemInfo* speedboatItem, ItemInfo* laraItem, VehicleMountType mountType);
+	bool TestSpeedboatDismount(ItemInfo* speedboatItem, int direction);
+	void DoSpeedboatDismount(ItemInfo* speedboatItem, ItemInfo* laraItem);
+
+	void SpeedboatDoBoatShift(ItemInfo* speedboatItem, int itemNumber);
+	short SpeedboatDoShift(ItemInfo* speedboatItem, Vector3Int* pos, Vector3Int* old);
+
+	int GetSpeedboatHitAnim(ItemInfo* speedboatItem, Vector3Int* moved);
+	int DoSpeedboatDynamics(int height, int verticalVelocity, int* y);
+	int SpeedboatDynamics(short itemNumber, ItemInfo* laraItem);
+	bool SpeedboatUserControl(ItemInfo* speedboatItem, ItemInfo* laraItem);
+	void SpeedboatAnimation(ItemInfo* speedboatItem, ItemInfo* laraItem, int collide);
+	void SpeedboatSplash(ItemInfo* speedboatItem, long verticalVelocity, long water);
+	void SpeedboatControl(short itemNumber);
+}

TombEngine/Objects/TR2/Vehicles/speedboat_info.h

@@ -0,0 +1,17 @@
+#pragma once
+
+namespace TEN::Entities::Vehicles
+{
+	struct SpeedboatInfo
+	{
+		int LeftVerticalVelocity = 0;
+		int RightVerticalVelocity = 0;
+
+		short TurnRate = 0;
+		short LeanAngle = 0;
+		short ExtraRotation = 0;
+
+		int Pitch = 0;
+		int Water = 0;
+	};
+}

TombEngine/Objects/TR2/tr2_objects.cpp

@@ -26,7 +26,7 @@
 #include "Objects/TR2/Trap/tr2_springboard.h"
 #include "Objects/TR2/Trap/tr2_killerstatue.h"
 /// vehicles
-#include "Objects/TR2/Vehicles/boat.h"
+#include "Objects/TR2/Vehicles/speedboat.h"
 #include "Objects/TR2/Vehicles/skidoo.h"
 /// necessary import
 #include "Game/control/box.h"
@@ -662,9 +662,9 @@ static void StartVehicles(ObjectInfo* obj)
 	obj = &Objects[ID_SPEEDBOAT];
 	if (obj->loaded)
 	{
-		obj->initialise = InitialiseSpeedBoat;
+		obj->initialise = InitialiseSpeedboat;
-		obj->collision = SpeedBoatCollision;
+		obj->collision = SpeedboatPlayerCollision;
-		obj->control = SpeedBoatControl;
+		obj->control = SpeedboatControl;
 		obj->saveAnim = true;
 		obj->saveFlags = true;
 		obj->savePosition = true;
@@ -676,7 +676,7 @@ static void StartVehicles(ObjectInfo* obj)
 	if (obj->loaded)
 	{
 		obj->initialise = InitialiseSkidoo;
-		obj->collision = SkidooCollision;
+		obj->collision = SkidooPlayerCollision;
 		//obj->drawRoutine = DrawSkidoo; // TODO: create a new render for the skidoo. (with track animated)
 		obj->saveAnim = true;
 		obj->saveFlags = true;

TombEngine/Objects/TR3/Entity/tr3_shiva.cpp

@@ -467,7 +467,7 @@ namespace TEN::Entities::TR3
 
 			LaraItem->Pose.Position = item->Pose.Position;
 			LaraItem->Pose.Orientation = Vector3Shrt(0, item->Pose.Orientation.y, 0);
-			LaraItem->Animation.Airborne = false;
+			LaraItem->Animation.IsAirborne = false;
 
 			LaraItem->Animation.AnimNumber = Objects[ID_LARA_EXTRA_ANIMS].animIndex + LARA_ANIM_SHIVA_DEATH;
 			LaraItem->Animation.FrameNumber = g_Level.Anims[LaraItem->Animation.AnimNumber].frameBase;

TombEngine/Objects/TR3/Entity/tr3_sophia.cpp

@@ -101,7 +101,7 @@ namespace TEN::Entities::TR3
 		KillItem(itemNumber);
 		DisableEntityAI(itemNumber);
 
-		item->Flags |= ONESHOT;
+		item->Flags |= IFLAG_INVISIBLE;
 	}
 
 	void ControlLaserBolts(short itemNumber)

TombEngine/Objects/TR3/Entity/tr3_tony.cpp

@@ -500,7 +500,7 @@ namespace TEN::Entities::TR3
 		KillItem(itemNumber);
 		DisableEntityAI(itemNumber);
 
-		item->Flags |= ONESHOT;
+		item->Flags |= IFLAG_INVISIBLE;
 	}
 
 	static bool TonyIsDying()

TombEngine/Objects/TR3/Entity/tr3_trex.cpp

@@ -57,7 +57,7 @@ namespace TEN::Entities::TR3
 
 		laraItem->Pose.Position = tRexItem->Pose.Position;
 		laraItem->Pose.Orientation = Vector3Shrt(0, tRexItem->Pose.Orientation.y, 0);
-		laraItem->Animation.Airborne = false;
+		laraItem->Animation.IsAirborne = false;
 
 		laraItem->Animation.AnimNumber = Objects[ID_LARA_EXTRA_ANIMS].animIndex + LARA_ANIM_TREX_DEATH;
 		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;

TombEngine/Objects/TR3/Trap/train.cpp

@@ -114,7 +114,7 @@ void TrainCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
 	laraItem->Pose.Orientation.y = trainItem->Pose.Orientation.y;
 	laraItem->Animation.Velocity = 0;
 	laraItem->Animation.VerticalVelocity = 0;
-	laraItem->Animation.Airborne = false;
+	laraItem->Animation.IsAirborne = false;
 
 	DoDamage(laraItem, INT_MAX);
 

TombEngine/Objects/TR3/Vehicles/big_gun.cpp

@@ -13,36 +13,41 @@
 #include "Game/Lara/lara_helpers.h"
 #include "Game/Lara/lara_struct.h"
 #include "Objects/TR3/Vehicles/big_gun_info.h"
+#include "Objects/Utils/VehicleHelpers.h"
 #include "Sound/sound.h"
 #include "Specific/level.h"
 #include "Specific/input.h"
 #include "Specific/setup.h"
 
+using std::vector;
 using namespace TEN::Input;
 
 namespace TEN::Entities::Vehicles
 {
-	#define RECOIL_TIME 26
+	const vector<VehicleMountType> BigGunMountTypes =
-	#define RECOIL_Z	25
+	{
+		VehicleMountType::LevelStart,
+		VehicleMountType::Back
+	};
 
-	#define BGUN_NUM_UP_DOWN_FRAMES	59
+	constexpr auto BGUN_MOUNT_DISTANCE = CLICK(2);
-	#define BGUN_DISMOUNT_FRAME	30
 
-	#define BGUN_TURN_RATE	ANGLE(2.0f)
+	constexpr auto BGUN_RECOIL_TIME = 26;
-	#define BGUN_TURN_MAX	ANGLE(16.0f)
+	constexpr auto BGUN_RECOIL_Z = 25;
 
-	#define BGUN_IN_FIRE		IN_ACTION
+	constexpr auto BGUN_X_ORIENT_NUM_FRAMES = 59;
-	#define BGUN_IN_DISMOUNT	(IN_ROLL | IN_JUMP)
+	constexpr auto BGUN_X_ORIENT_MIDDLE_FRAME = 30;
-	#define BGUN_IN_UP			IN_FORWARD
+
-	#define BGUN_IN_DOWN		IN_BACK
+	#define BGUN_TURN_RATE_ACCEL ANGLE(0.5f)
-	#define BGUN_IN_LEFT		IN_LEFT
+	#define BGUN_TURN_RATE_MAX	 ANGLE(4.0f)
-	#define BGUN_IN_RIGHT		IN_RIGHT
+	#define BGUN_X_ORIENT_STEP	 (ANGLE(80.0f) / BGUN_X_ORIENT_NUM_FRAMES)
+	#define BGUN_X_ORIENT_MAX	 ANGLE(40.0f)
 
 	enum BigGunState
 	{
 		BGUN_STATE_MOUNT = 0,
 		BGUN_STATE_DISMOUNT = 1,
-		BGUN_STATE_UP_DOWN = 2,
+		BGUN_STATE_ROTATE_VERTICALLY = 2,
 		BGUN_STATE_RECOIL = 3
 	};
 
@@ -50,41 +55,41 @@ namespace TEN::Entities::Vehicles
 	{
 		BGUN_ANIM_MOUNT = 0,
 		BGUN_ANIM_DISMOUNT = 1,
-		BGUN_ANIM_UP_DOWN = 2,
+		BGUN_ANIM_ROTATE_VERTICALLY = 2,
 		BGUN_ANIM_RECOIL = 3
 	};
 
 	enum BigGunFlags
 	{
-		BGUN_FLAG_UP_DOWN = 1,
+		BGUN_FLAG_UP_DOWN = (1 << 0),
-		BGUN_FLAG_AUTO_ROT = 2,
+		BGUN_FLAG_AUTO_ROT = (1 << 2),
-		BGUN_FLAG_DISMOUNT = 4,
+		BGUN_FLAG_DISMOUNT = (1 << 3),
-		BGUN_FLAG_FIRE = 8
+		BGUN_FLAG_FIRE = (1 << 4)
 	};
 
+	BigGunInfo* GetBigGunInfo(ItemInfo* bigGunItem)
+	{
+		return (BigGunInfo*)bigGunItem->Data;
+	}
+
 	void BigGunInitialise(short itemNumber)
 	{
 		auto* bigGunItem = &g_Level.Items[itemNumber];
 		bigGunItem->Data = BigGunInfo();
-		auto* bigGun = (BigGunInfo*)bigGunItem->Data;
+		auto* bigGun = GetBigGunInfo(bigGunItem);
 
-		bigGun->Rotation.x = BGUN_DISMOUNT_FRAME;
+		bigGun->BaseOrientation = bigGunItem->Pose.Orientation;
-		bigGun->Rotation.z = 0;
+		bigGun->XOrientFrame = BGUN_X_ORIENT_MIDDLE_FRAME;
-		bigGun->StartYRot = bigGunItem->Pose.Orientation.y;
-		bigGun->GunRotYAdd = 0;
-		bigGun->FireCount = 0;
-		bigGun->Flags = 0;
-		bigGun->BarrelRotating = false;
 	}
 
-	static bool BigGunTestMount(ItemInfo* laraItem, ItemInfo* bigGunItem)
+	static bool BigGunTestMount(ItemInfo* bigGunItem, ItemInfo* laraItem)
 	{
 		// TODO: If Lara global is not used, the game crashes upon level load. Not sure why. @Sezz 2022.01.09
 		auto* lara = &Lara/* GetLaraInfo(laraItem)*/;
 
 		if (!(TrInput & IN_ACTION) ||
 			lara->Control.HandStatus != HandStatus::Free ||
-			laraItem->Animation.Airborne)
+			laraItem->Animation.IsAirborne)
 		{
 			return false;
 		}
@@ -94,7 +99,7 @@ namespace TEN::Entities::Vehicles
 		int z = laraItem->Pose.Position.z - bigGunItem->Pose.Position.z;
 
 		int distance = pow(x, 2) + pow(y, 2) + pow(z, 2);
-		if (distance > 30000)
+		if (distance > SECTOR(30))
 			return false;
 
 		short deltaAngle = abs(laraItem->Pose.Orientation.y - bigGunItem->Pose.Orientation.y);
@@ -104,9 +109,9 @@ namespace TEN::Entities::Vehicles
 		return true;
 	}
 
-	void BigGunFire(ItemInfo* laraItem, ItemInfo* bigGunItem)
+	void BigGunFire(ItemInfo* bigGunItem, ItemInfo* laraItem)
 	{
-		auto* bigGun = (BigGunInfo*)bigGunItem->Data;
+		auto* bigGun = GetBigGunInfo(bigGunItem);
 
 		short itemNumber = CreateItem();
 		auto* projectileItem = &g_Level.Items[itemNumber];
@@ -123,10 +128,12 @@ namespace TEN::Entities::Vehicles
 
 			InitialiseItem(itemNumber);
 
-			projectileItem->Pose.Orientation.x = -((bigGun->Rotation.x - 32) * ANGLE(1.0f));
-			projectileItem->Pose.Orientation.y = bigGunItem->Pose.Orientation.y;
-			projectileItem->Pose.Orientation.z = 0;
 			projectileItem->Animation.Velocity = 16;
+			projectileItem->Pose.Orientation = Vector3Shrt(
+				-((bigGun->XOrientFrame - 32) * ANGLE(1.0f)),
+				bigGunItem->Pose.Orientation.y,
+				0
+			);
 			projectileItem->ItemFlags[0] = BGUN_FLAG_UP_DOWN;
 
 			AddActiveItem(itemNumber);
@@ -141,121 +148,141 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
-	void BigGunCollision(short itemNum, ItemInfo* laraItem, CollisionInfo* coll)
+	void BigGunCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
 	{
+		auto* bigGunItem = &g_Level.Items[itemNumber];
+		auto* bigGun = GetBigGunInfo(bigGunItem);
 		auto* lara = GetLaraInfo(laraItem);
-		auto* bigGunItem = &g_Level.Items[itemNum];
-		auto* bigGun = (BigGunInfo*)bigGunItem->Data;
 
 		if (laraItem->HitPoints <= 0 || lara->Vehicle != NO_ITEM)
 			return;
 
-		if (BigGunTestMount(bigGunItem, laraItem))
+		if (BigGunTestMount(laraItem, bigGunItem))
 		{
-			lara->Vehicle = itemNum;
+			lara->Vehicle = itemNumber;
-
-			if (lara->Control.Weapon.GunType == LaraWeaponType::Flare)
-			{
-				CreateFlare(laraItem, ID_FLARE_ITEM, false);
-				UndrawFlareMeshes(laraItem);
-
-				lara->Flare.ControlLeft = false;
-				lara->Control.Weapon.RequestGunType = LaraWeaponType::None;
-				lara->Control.Weapon.GunType = LaraWeaponType::None;
-			}
 
+			DoVehicleFlareDiscard(laraItem);
 			laraItem->Animation.AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_MOUNT;
 			laraItem->Animation.FrameNumber = g_Level.Anims[Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_MOUNT].frameBase;
-			laraItem->Animation.TargetState = BGUN_STATE_MOUNT;
 			laraItem->Animation.ActiveState = BGUN_STATE_MOUNT;
+			laraItem->Animation.TargetState = BGUN_STATE_MOUNT;
+			laraItem->Animation.IsAirborne = false;
 			laraItem->Pose = bigGunItem->Pose;
-			laraItem->Animation.Airborne = false;
 			lara->Control.HandStatus = HandStatus::Busy;
 			bigGunItem->HitPoints = 1;
+			bigGun->XOrientFrame = BGUN_X_ORIENT_MIDDLE_FRAME;
 			bigGun->Flags = 0;
-			bigGun->Rotation.x = BGUN_DISMOUNT_FRAME;
-
 		}
 		else
-			ObjectCollision(itemNum, laraItem, coll);
+			ObjectCollision(itemNumber, laraItem, coll);
 	}
 
 	bool BigGunControl(ItemInfo* laraItem, CollisionInfo* coll)
 	{
 		auto* lara = GetLaraInfo(laraItem);
 		auto* bigGunItem = &g_Level.Items[lara->Vehicle];
-		auto* bigGun = (BigGunInfo*)bigGunItem->Data;
+		auto* bigGun = GetBigGunInfo(bigGunItem);
 
 		if (bigGun->Flags & BGUN_FLAG_UP_DOWN)
 		{
-			if (bigGun->BarrelRotating)
+			if (bigGun->IsBarrelRotating)
-				bigGun->BarrelZRotation--;
+				bigGun->BarrelRotation--;
 
-			if (!bigGun->BarrelZRotation)
+			if (!bigGun->BarrelRotation)
-				bigGun->BarrelRotating = false;
+				bigGun->IsBarrelRotating = false;
 
-			if (TrInput & BGUN_IN_DISMOUNT || laraItem->HitPoints <= 0)
+			if (TrInput & VEHICLE_IN_DISMOUNT || laraItem->HitPoints <= 0)
 				bigGun->Flags = BGUN_FLAG_AUTO_ROT;
 			else
 			{
-				if (TrInput & BGUN_IN_FIRE && bigGun->FireCount == 0)
+				if (TrInput & VEHICLE_IN_FIRE && !bigGun->FireCount)
 				{
-					BigGunFire(laraItem, bigGunItem);
+					BigGunFire(bigGunItem, laraItem);
-					bigGun->FireCount = RECOIL_TIME;
+					bigGun->FireCount = BGUN_RECOIL_TIME;
-					bigGun->BarrelZRotation = RECOIL_Z;
+					bigGun->BarrelRotation = BGUN_RECOIL_Z;
-					bigGun->BarrelRotating = true;
+					bigGun->IsBarrelRotating = true;
 				}
 
-				if (TrInput & BGUN_IN_LEFT)
+				if (TrInput & VEHICLE_IN_UP)
 				{
-					if (bigGun->GunRotYAdd > 0)
+					if (bigGun->TurnRate.x < 0)
-						bigGun->GunRotYAdd /= 2;
+						bigGun->TurnRate.x /= 2;
 
-					bigGun->GunRotYAdd -= BGUN_TURN_RATE;
+					bigGun->TurnRate.x += BGUN_TURN_RATE_ACCEL;
-					if (bigGun->GunRotYAdd < -BGUN_TURN_MAX)
+					if (bigGun->TurnRate.x > (BGUN_TURN_RATE_MAX / 2))
-						bigGun->GunRotYAdd = -BGUN_TURN_MAX;
+						bigGun->TurnRate.x = (BGUN_TURN_RATE_MAX / 2);
 				}
-				else if (TrInput & BGUN_IN_RIGHT)
+				else if (TrInput & VEHICLE_IN_DOWN)
 				{
-					if (bigGun->GunRotYAdd < 0)
+					if (bigGun->TurnRate.x > 0)
-						bigGun->GunRotYAdd /= 2;
+						bigGun->TurnRate.x /= 2;
 
-					bigGun->GunRotYAdd += BGUN_TURN_RATE;
+					bigGun->TurnRate.x -= BGUN_TURN_RATE_ACCEL;
-					if (bigGun->GunRotYAdd > BGUN_TURN_MAX)
+					if (bigGun->TurnRate.x < (-BGUN_TURN_RATE_MAX / 2))
-						bigGun->GunRotYAdd = BGUN_TURN_MAX;
+						bigGun->TurnRate.x = (-BGUN_TURN_RATE_MAX / 2);
 				}
 				else
 				{
-					bigGun->GunRotYAdd -= bigGun->GunRotYAdd / 4;
+					bigGun->TurnRate.x -= bigGun->TurnRate.x / 3;
-					if (abs(bigGun->GunRotYAdd) < BGUN_TURN_RATE)
+					if (abs(bigGun->TurnRate.x) < BGUN_TURN_RATE_ACCEL)
-						bigGun->GunRotYAdd = 0;
+						bigGun->TurnRate.x = 0;
 				}
 
-				bigGun->Rotation.z += bigGun->GunRotYAdd / 4;
+				if (TrInput & VEHICLE_IN_LEFT)
+				{
+					if (bigGun->TurnRate.y > 0)
+						bigGun->TurnRate.y /= 2;
 
-				if (TrInput & BGUN_IN_UP && bigGun->Rotation.x < BGUN_NUM_UP_DOWN_FRAMES)
+					bigGun->TurnRate.y -= BGUN_TURN_RATE_ACCEL;
-					bigGun->Rotation.x++;
+					if (bigGun->TurnRate.y < -BGUN_TURN_RATE_MAX)
-				else if (TrInput & BGUN_IN_DOWN && bigGun->Rotation.x)
+						bigGun->TurnRate.y = -BGUN_TURN_RATE_MAX;
-					bigGun->Rotation.x--;
+				}
+				else if (TrInput & VEHICLE_IN_RIGHT)
+				{
+					if (bigGun->TurnRate.y < 0)
+						bigGun->TurnRate.y /= 2;
+
+					bigGun->TurnRate.y += BGUN_TURN_RATE_ACCEL;
+					if (bigGun->TurnRate.y > BGUN_TURN_RATE_MAX)
+						bigGun->TurnRate.y = BGUN_TURN_RATE_MAX;
+				}
+				else
+				{
+					bigGun->TurnRate.y -= bigGun->TurnRate.y / 3;
+					if (abs(bigGun->TurnRate.y) < BGUN_TURN_RATE_ACCEL)
+						bigGun->TurnRate.y = 0;
+				}
+
+				bigGun->Rotation.x += bigGun->TurnRate.x;
+				bigGun->Rotation.y += bigGun->TurnRate.y;
+
+				if (bigGun->Rotation.x > BGUN_X_ORIENT_MAX)
+					bigGun->Rotation.x = BGUN_X_ORIENT_MAX;
+				else if (bigGun->Rotation.x < -BGUN_X_ORIENT_MAX)
+					bigGun->Rotation.x = -BGUN_X_ORIENT_MAX;
+
+				bigGun->XOrientFrame = (int)round((bigGun->Rotation.x + BGUN_X_ORIENT_MAX) / BGUN_X_ORIENT_STEP);
 			}
 		}
 
 		if (bigGun->Flags & BGUN_FLAG_AUTO_ROT)
 		{
-			if (bigGun->Rotation.x == BGUN_DISMOUNT_FRAME)
+			if (bigGun->XOrientFrame == BGUN_X_ORIENT_MIDDLE_FRAME)
 			{
 				laraItem->Animation.AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_DISMOUNT;
 				laraItem->Animation.FrameNumber = g_Level.Anims[Objects[ID_BIGGUN].animIndex + BGUN_ANIM_DISMOUNT].frameBase;
 				laraItem->Animation.ActiveState = BGUN_STATE_DISMOUNT;
 				laraItem->Animation.TargetState = BGUN_STATE_DISMOUNT;
-				bigGun->GunRotYAdd = 0;
+				bigGun->TurnRate.y = 0;
-				bigGun->BarrelRotating = false;
+				bigGun->IsBarrelRotating = false;
 				bigGun->Flags = BGUN_FLAG_DISMOUNT;
 			}
-			else if (bigGun->Rotation.x > BGUN_DISMOUNT_FRAME)
+			else if (bigGun->Rotation.x > 0)
-				bigGun->Rotation.x--;
+				bigGun->Rotation.x -= BGUN_X_ORIENT_STEP;
-			else if (bigGun->Rotation.x < BGUN_DISMOUNT_FRAME)
+			else if (bigGun->Rotation.x < 0)
-				bigGun->Rotation.x++;
+				bigGun->Rotation.x += BGUN_X_ORIENT_STEP;
+
+			bigGun->XOrientFrame = (int)round((bigGun->Rotation.x + BGUN_X_ORIENT_MAX) / BGUN_X_ORIENT_STEP);
 		}
 
 		switch (laraItem->Animation.ActiveState)
@@ -276,27 +303,28 @@ namespace TEN::Entities::Vehicles
 
 			break;
 
-		case BGUN_STATE_UP_DOWN:
+		case BGUN_STATE_ROTATE_VERTICALLY:
-			laraItem->Animation.AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_UP_DOWN;
-			laraItem->Animation.FrameNumber = g_Level.Anims[Objects[ID_BIGGUN].animIndex + BGUN_ANIM_UP_DOWN].frameBase + bigGun->Rotation.x;
 			bigGunItem->Animation.AnimNumber = Objects[ID_BIGGUN].animIndex + (laraItem->Animation.AnimNumber - Objects[ID_BIGGUN_ANIMS].animIndex);
 			bigGunItem->Animation.FrameNumber = g_Level.Anims[bigGunItem->Animation.AnimNumber].frameBase + (laraItem->Animation.FrameNumber - g_Level.Anims[laraItem->Animation.AnimNumber].frameBase);
-
+			
 			if (bigGun->FireCount > 0)
 				bigGun->FireCount--;
 			else
 				bigGun->FireCount = 0;
 
 			bigGun->Flags = BGUN_FLAG_UP_DOWN;
+
+			laraItem->Animation.AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_ROTATE_VERTICALLY;
+			laraItem->Animation.FrameNumber = g_Level.Anims[Objects[ID_BIGGUN].animIndex + BGUN_ANIM_ROTATE_VERTICALLY].frameBase + bigGun->XOrientFrame;
 			break;
 		}
 
-		Camera.targetElevation = -ANGLE(15.0f);
+		Camera.targetElevation = -(bigGun->Rotation.x + ANGLE(15.0f));
 
-		bigGunItem->Pose.Orientation.y = bigGun->StartYRot + bigGun->Rotation.z;
+		bigGunItem->Pose.Orientation.y = bigGun->BaseOrientation.y + bigGun->Rotation.y;
 		laraItem->Pose.Orientation.y = bigGunItem->Pose.Orientation.y;
-		coll->Setup.EnableSpasm = false;
 		coll->Setup.EnableObjectPush = false;
+		coll->Setup.EnableSpasm = false;
 
 		DoObjectCollision(laraItem, coll);
 

TombEngine/Objects/TR3/Vehicles/big_gun.h

@@ -1,4 +1,5 @@
 #pragma once
+#include "Objects/Utils/VehicleHelpers.h"
 
 struct CollisionInfo;
 struct ItemInfo;
@@ -6,8 +7,8 @@ struct ItemInfo;
 namespace TEN::Entities::Vehicles
 {
 	void BigGunInitialise(short itemNumber);
-	static bool BigGunTestMount(ItemInfo* laraItem, ItemInfo* bigGunItem);
+	static bool BigGunTestMount(ItemInfo* bigGunItem, ItemInfo* laraItem);
-	void BigGunFire(ItemInfo* laraItem, ItemInfo* bigGunItem);
+	void BigGunFire(ItemInfo* bigGunItem, ItemInfo* laraItem);
 	void BigGunCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
 	bool BigGunControl(ItemInfo* laraItem, CollisionInfo* coll);
 }

TombEngine/Objects/TR3/Vehicles/big_gun_info.h

@@ -4,14 +4,15 @@ namespace TEN::Entities::Vehicles
 {
 	struct BigGunInfo
 	{
-		Vector3Shrt Rotation;
+		Vector3Shrt BaseOrientation = Vector3Shrt();
-		short BarrelZRotation;
+		Vector3Shrt TurnRate = Vector3Shrt();
-		short StartYRot;
+		Vector3Shrt Rotation = Vector3Shrt();
-		long GunRotYAdd;
+		short BarrelRotation = 0;
+		int XOrientFrame = 0;
 
-		unsigned int FireCount;
+		unsigned int FireCount = 0;
-		bool BarrelRotating;
+		bool IsBarrelRotating = false;
 
-		char Flags;
+		char Flags = NULL;
 	};
 }

TombEngine/Objects/TR3/Vehicles/kayak.cpp

@@ -12,60 +12,85 @@
 #include "Game/Lara/lara_flare.h"
 #include "Game/Lara/lara_helpers.h"
 #include "Objects/TR3/Vehicles/kayak_info.h"
+#include "Objects/Utils/VehicleHelpers.h"
 #include "Specific/level.h"
 #include "Specific/input.h"
 #include "Specific/setup.h"
 
+using std::vector;
 using namespace TEN::Input;
 
 namespace TEN::Entities::Vehicles
 {
-	#define KAYAK_COLLIDE			CLICK(0.25f)
+	struct WAKE_PTS
-	#define DISMOUNT_DISTANCE 		CLICK(3) // TODO: Find accurate distance.
+	{
-	#define KAYAK_TO_ENTITY_RADIUS	CLICK(1)
+		int x[2];
+		int y;
+		int z[2];
+		short xvel[2];
+		short zvel[2];
+		byte life;
+		byte pad[3];
+	};
+	static vector<int> KayakLaraLegJoints = { LM_HIPS, LM_LTHIGH, LM_LSHIN, LM_LFOOT, LM_RTHIGH, LM_RSHIN, LM_RFOOT };
+	static vector<VehicleMountType> KayakMountTypes =
+	{
+		VehicleMountType::LevelStart,
+		VehicleMountType::Left,
+		VehicleMountType::Right
+	};
 
-	#define MAX_VELOCITY				0x380000
+	constexpr auto KAYAK_TO_ENTITY_RADIUS = CLICK(1);
-	#define KAYAK_FRICTION				0x8000
+	constexpr auto KAYAK_COLLIDE = CLICK(0.25f);
-	#define KAYAK_ROTATE_FRICTION		0x50000
+	constexpr auto KAYAK_MOUNT_DISTANCE = CLICK(1.5f);
-	#define KAYAK_DEFLECT_ROTATION		0x80000
+	constexpr auto KAYAK_DISMOUNT_DISTANCE = CLICK(3); // TODO: Find accurate distance.
-	#define KAYAK_FORWARD_VELOCITY		0x180000
-	#define KAYAK_FORWARD_ROTATION		0x800000
-	#define KAYAK_LEFT_RIGHT_VELOCITY	0x100000
-	#define KAYAK_LEFT_RIGHT_ROTATION	0xc00000
-	#define KAYAK_MAX_LEFT_RIGHT		0xc00000
-	#define KAYAK_TURN_ROTATION			0x200000
-	#define KAYAK_MAX_TURN				0x1000000
-	#define KAYAK_TURN_BRAKE			0x8000
-	#define KAYAK_HARD_ROTATION			0x1000000
-	#define KAYAK_MAX_STAT				0x1000000
 
-	#define HIT_BACK	1
+	constexpr int KAYAK_VELOCITY_FORWARD_ACCEL = 24 * VEHICLE_VELOCITY_SCALE;
-	#define HIT_FRONT	2
+	constexpr int KAYAK_VELOCITY_LR_ACCEL = 16 * VEHICLE_VELOCITY_SCALE;
-	#define HIT_LEFT	3
+	constexpr int KAYAK_VELOCITY_HOLD_TURN_DECEL = 0.5f * VEHICLE_VELOCITY_SCALE;
-	#define HIT_RIGHT	4
+	constexpr int KAYAK_VELOCITY_FRICTION_DECEL = 0.5f * VEHICLE_VELOCITY_SCALE;
+
+	constexpr int KAYAK_VELOCITY_MAX = 56 * VEHICLE_VELOCITY_SCALE;
+
+	// TODO: Very confusing.
+	#define KAYAK_TURN_RATE_FRICTION_DECEL ANGLE(0.03f)
+	#define KAYAK_TURN_RATE_DEFLECT ANGLE(0.05f)
+	#define KAYAK_TURN_RATE_FORWARD_ACCEL ANGLE(0.7f)
+	#define KAYAK_TURN_RATE_LR_ACCEL ANGLE(1.0f)
+	#define KAYAK_TURN_RATE_LR_MAX ANGLE(1.0f)
+	#define KAYAK_TURN_ROTATION ANGLE(0.18f)
+	#define KAYAK_TURN_RATE_MAX ANGLE(1.4f)
+	#define KAYAK_TURN_RATE_HOLD_ACCEL ANGLE(1.4f)
+	#define KAYAK_TURN_RATE_HOLD_MAX ANGLE(1.4f)
+
+	constexpr auto HIT_BACK = 1;
+	constexpr auto HIT_FRONT = 2;
+	constexpr auto HIT_LEFT = 3;
+	constexpr auto HIT_RIGHT = 4;
 
 	#define KAYAK_MOUNT_LEFT_FRAME	GetFrameNumber(KAYAK_ANIM_MOUNT_RIGHT, 0)
 	#define KAYAK_IDLE_FRAME		GetFrameNumber(KAYAK_ANIM_IDLE, 0)
 	#define KAYAK_MOUNT_RIGHT_FRAME	GetFrameNumber(KAYAK_ANIM_MOUNT_LEFT, 0)
 
-	#define KAYAK_DRAW_SHIFT	32
+	constexpr auto KAYAK_DRAW_SHIFT = 32;
-	#define LARA_LEG_BITS		((1 << LM_HIPS) | (1 << LM_LTHIGH) | (1 << LM_LSHIN) | (1 << LM_LFOOT) | (1 << LM_RTHIGH) | (1 << LM_RSHIN) | (1 << LM_RFOOT))
+	constexpr auto NUM_WAKE_SPRITES = 32;
-	#define NUM_WAKE_SPRITES	32
+	constexpr auto WAKE_SIZE = 32;
-	#define WAKE_SIZE 			32
+	constexpr auto WAKE_VELOCITY = 4;
-	#define WAKE_VELOCITY 		4
+	constexpr auto KAYAK_X = 128;
-	#define KAYAK_X				128
+	constexpr auto KAYAK_Z = 128;
-	#define KAYAK_Z				128
+	constexpr auto KAYAK_MAX_KICK = -80;
-	#define KAYAK_MAX_KICK		-80
+	constexpr auto KAYAK_MIN_BOUNCE = (KAYAK_VELOCITY_MAX / 2) / VEHICLE_VELOCITY_SCALE;
-	#define KAYAK_MIN_BOUNCE	((MAX_VELOCITY / 2) / 256)
 
-	#define KAYAK_IN_FORWARD	IN_FORWARD
+	// TODO: Kayak control is fairly unique. Keep this? @Sezz 2022.06.25
-	#define KAYAK_IN_BACK		IN_BACK
+	constexpr auto KAYAK_IN_FORWARD	   = IN_FORWARD;
-	#define KAYAK_IN_LEFT		IN_LEFT
+	constexpr auto KAYAK_IN_BACK	   = IN_BACK;
-	#define KAYAK_IN_RIGHT		IN_RIGHT
+	constexpr auto KAYAK_IN_LEFT	   = IN_LEFT;
-	#define KAYAK_IN_HOLD		IN_WALK
+	constexpr auto KAYAK_IN_RIGHT	   = IN_RIGHT;
-	#define KAYAK_IN_HOLD_LEFT	IN_LSTEP
+	constexpr auto KAYAK_IN_HOLD	   = IN_WALK;
-	#define KAYAK_IN_HOLD_RIGHT	IN_RSTEP
+	constexpr auto KAYAK_IN_HOLD_LEFT  = IN_LSTEP;
-	#define KAYAK_IN_DISMOUNT	(IN_JUMP | IN_ROLL)
+	constexpr auto KAYAK_IN_HOLD_RIGHT = IN_RSTEP;
+
+	WAKE_PTS WakePts[NUM_WAKE_SPRITES][2];
 
 	enum KayakState
 	{
@@ -76,8 +101,8 @@ namespace TEN::Entities::Vehicles
 		KAYAK_STATE_MOUNT_LEFT = 4,
 		KAYAK_STATE_IDLE_DEATH = 5,
 		KAYAK_STATE_FORWARD = 6,
-		KAYAK_STATE_CAPSIZE_RECOVER = 7,	// Unused.
+		KAYAK_STATE_CAPSIZE_RECOVER = 7, // Unused.
-		KAYAK_STATE_CAPSIZE_DEATH = 8,		// Unused.
+		KAYAK_STATE_CAPSIZE_DEATH = 8,	 // Unused.
 		KAYAK_STATE_DISMOUNT = 9,
 		KAYAK_STATE_HOLD_LEFT = 10,
 		KAYAK_STATE_HOLD_RIGHT = 11,
@@ -123,42 +148,18 @@ namespace TEN::Entities::Vehicles
 		KAYAK_ANIM_DISMOUNT_RIGHT = 32
 	};
 
-	enum class KayakMountType
+	KayakInfo* GetKayakInfo(ItemInfo* kayakItem)
 	{
-		None,
+		return (KayakInfo*)kayakItem->Data;
-		Left,
+	}
-		Right
-	};
-
-	struct WAKE_PTS 
-	{
-		int 	x[2];
-		int 	y;
-		int		z[2];
-		short	xvel[2];
-		short	zvel[2];
-		byte 	life;
-		byte	pad[3];
-	};
-
-	WAKE_PTS WakePts[NUM_WAKE_SPRITES][2];
 
 	void InitialiseKayak(short itemNumber)
 	{
 		auto* kayakItem = &g_Level.Items[itemNumber];
 		kayakItem->Data = KayakInfo();
-		auto* kayak = (KayakInfo*)kayakItem->Data;
+		auto* kayak = GetKayakInfo(kayakItem);
 
-		kayak->TurnRate = 0;
+		kayak->OldPose = kayakItem->Pose;
-		kayak->Velocity = 0;
-		kayak->FrontVerticalVelocity = 0;
-		kayak->LeftVerticalVelocity = 0;
-		kayak->RightVerticalVelocity = 0;
-		kayak->LeftRightCount = 0;
-		kayak->OldPos = kayakItem->Pose;
-		kayak->CurrentStartWake = 0;
-		kayak->WakeShade = 0;
-		kayak->Flags = 0;
 
 		for (int i = 0; i < NUM_WAKE_SPRITES; i++)
 		{
@@ -167,6 +168,72 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
+	void KayakPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
+	{
+		auto* kayakItem = &g_Level.Items[itemNumber];
+		auto* kayak = GetKayakInfo(kayakItem);
+		auto* lara = GetLaraInfo(laraItem);
+
+		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
+			return;
+
+		auto mountType = GetVehicleMountType(kayakItem, laraItem, coll, KayakMountTypes, KAYAK_MOUNT_DISTANCE, LARA_HEIGHT);
+		if (mountType == VehicleMountType::None)
+		{
+			coll->Setup.EnableObjectPush = true;
+			ObjectCollision(itemNumber, laraItem, coll);
+		}
+		else
+		{
+			lara->Vehicle = itemNumber;
+			DoKayakMount(kayakItem, laraItem, mountType);
+		}
+	}
+
+	void DoKayakMount(ItemInfo* kayakItem, ItemInfo* laraItem, VehicleMountType mountType)
+	{
+		auto* kayak = GetKayakInfo(kayakItem);
+		auto* lara = GetLaraInfo(laraItem);
+
+		switch (mountType)
+		{
+		case VehicleMountType::LevelStart:
+			laraItem->Animation.AnimNumber = Objects[ID_KAYAK_LARA_ANIMS].animIndex + KAYAK_ANIM_IDLE;
+			laraItem->Animation.ActiveState = KAYAK_STATE_IDLE;
+			laraItem->Animation.TargetState = KAYAK_STATE_IDLE;
+			break;
+
+		case VehicleMountType::Left:
+			laraItem->Animation.AnimNumber = Objects[ID_KAYAK_LARA_ANIMS].animIndex + KAYAK_ANIM_MOUNT_LEFT;
+			laraItem->Animation.ActiveState = KAYAK_STATE_MOUNT_LEFT;
+			laraItem->Animation.TargetState = KAYAK_STATE_MOUNT_LEFT;
+			break;
+
+		default:
+		case VehicleMountType::Right:
+			laraItem->Animation.AnimNumber = Objects[ID_KAYAK_LARA_ANIMS].animIndex + KAYAK_ANIM_MOUNT_RIGHT;
+			laraItem->Animation.ActiveState = KAYAK_STATE_MOUNT_RIGHT;
+			laraItem->Animation.TargetState = KAYAK_STATE_MOUNT_RIGHT;
+			break;
+		}
+		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+
+		if (laraItem->RoomNumber != kayakItem->RoomNumber)
+			ItemNewRoom(lara->ItemNumber, kayakItem->RoomNumber);
+
+		DoVehicleFlareDiscard(laraItem);
+		laraItem->Pose.Position = kayakItem->Pose.Position;
+		laraItem->Pose.Orientation = Vector3Shrt(0, kayakItem->Pose.Orientation.y, 0);
+		laraItem->Animation.IsAirborne = false;
+		laraItem->Animation.Velocity = 0;
+		laraItem->Animation.VerticalVelocity = 0;
+		lara->Control.WaterStatus = WaterStatus::Dry;
+		kayak->WaterHeight = kayakItem->Pose.Position.y;
+		kayak->Flags = 0;
+
+		AnimateItem(laraItem);
+	}
+
 	void KayakDraw(ItemInfo* kayakItem)
 	{
 		DrawAnimatingItem(kayakItem);
@@ -174,19 +241,19 @@ namespace TEN::Entities::Vehicles
 
 	void KayakDoWake(ItemInfo* kayakItem, int xOffset, int zOffset, short rotate)
 	{
-		auto* kayak = (KayakInfo*)kayakItem->Data;
+		auto* kayak = GetKayakInfo(kayakItem);
 
 		if (WakePts[kayak->CurrentStartWake][rotate].life)
 			return;
 
-		float s = phd_sin(kayakItem->Pose.Orientation.y);
+		float sinY = phd_sin(kayakItem->Pose.Orientation.y);
-		float c = phd_cos(kayakItem->Pose.Orientation.y);
+		float cosY = phd_cos(kayakItem->Pose.Orientation.y);
 
-		int x = kayakItem->Pose.Position.x + zOffset * s + xOffset * c;
+		int x = kayakItem->Pose.Position.x + (zOffset * sinY) + (xOffset * cosY);
-		int z = kayakItem->Pose.Position.z + zOffset * c - xOffset * s;
+		int z = kayakItem->Pose.Position.z + (zOffset * cosY) - (xOffset * sinY);
 
-		int probedRoomNum = GetCollision(x, kayakItem->Pose.Position.y, z, kayakItem->RoomNumber).RoomNumber;
+		int probedRoomNumber = GetCollision(x, kayakItem->Pose.Position.y, z, kayakItem->RoomNumber).RoomNumber;
-		int waterHeight = GetWaterHeight(x, kayakItem->Pose.Position.y, z, probedRoomNum);
+		int waterHeight = GetWaterHeight(x, kayakItem->Pose.Position.y, z, probedRoomNumber);
 
 		if (waterHeight != NO_HEIGHT)
 		{
@@ -245,14 +312,14 @@ namespace TEN::Entities::Vehicles
 
 	void KayakDoRipple(ItemInfo* kayakItem, int xOffset, int zOffset)
 	{
-		float s = phd_sin(kayakItem->Pose.Orientation.y);
+		float sinY = phd_sin(kayakItem->Pose.Orientation.y);
-		float c = phd_cos(kayakItem->Pose.Orientation.y);
+		float cosY = phd_cos(kayakItem->Pose.Orientation.y);
 
-		int x = kayakItem->Pose.Position.x + zOffset * s + xOffset * c;
+		int x = kayakItem->Pose.Position.x + (zOffset * sinY) + (xOffset * cosY);
-		int z = kayakItem->Pose.Position.z + zOffset * c - xOffset * s;
+		int z = kayakItem->Pose.Position.z + (zOffset * cosY) - (xOffset * sinY);
 
-		int probedRoomNum = GetCollision(x, kayakItem->Pose.Position.y, z, kayakItem->RoomNumber).RoomNumber;
+		int probedRoomNumber = GetCollision(x, kayakItem->Pose.Position.y, z, kayakItem->RoomNumber).RoomNumber;
-		int waterHeight = GetWaterHeight(x, kayakItem->Pose.Position.y, z, probedRoomNum);
+		int waterHeight = GetWaterHeight(x, kayakItem->Pose.Position.y, z, probedRoomNumber);
 
 		//if (waterHeight != NO_HEIGHT)
 		//	SetupRipple(x, kayakItem->Pose.Position.y, z, -2 - (GetRandomControl() & 1), 0, Objects[ID_KAYAK_PADDLE_TRAIL_SPRITE].meshIndex,TO_RAD(kayakItem->Pose.Orientation.y));
@@ -276,46 +343,6 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
-	KayakMountType KayakGetMountType(ItemInfo* laraItem, short itemNumber)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-		auto* kayakItem = &g_Level.Items[itemNumber];
-
-		if (!(TrInput & IN_ACTION) ||
-			lara->Control.HandStatus != HandStatus::Free ||
-			laraItem->Animation.Airborne)
-		{
-			return KayakMountType::None;
-		}
-
-		int distance = pow(laraItem->Pose.Position.x - kayakItem->Pose.Position.x, 2) + pow(laraItem->Pose.Position.z - kayakItem->Pose.Position.z, 2);
-		if (distance > pow(360, 2))
-			return KayakMountType::None;
-
-		auto probe = GetCollision(kayakItem);
-		if (probe.Position.Floor > -32000)
-		{
-			short angle = phd_atan(kayakItem->Pose.Position.z - laraItem->Pose.Position.z, kayakItem->Pose.Position.x - laraItem->Pose.Position.x);
-			angle -= kayakItem->Pose.Orientation.y;
-
-			int deltaAngle = laraItem->Pose.Orientation.y - kayakItem->Pose.Orientation.y;
-			if (angle > -ANGLE(45.0f) && angle < ANGLE(135.0f))
-			{
-				deltaAngle = laraItem->Pose.Orientation.y - kayakItem->Pose.Orientation.y;
-				if (deltaAngle > ANGLE(45.0f) && deltaAngle < ANGLE(135.0f))
-					return KayakMountType::Left;
-			}
-			else
-			{
-				deltaAngle = laraItem->Pose.Orientation.y - kayakItem->Pose.Orientation.y;
-				if (deltaAngle > ANGLE(225.0f) && deltaAngle < ANGLE(315.0f))
-					return KayakMountType::Right;
-			}
-		}
-
-		return KayakMountType::None;
-	}
-
 	int KayakGetCollisionAnim(ItemInfo* kayakItem, int xDiff, int zDiff)
 	{
 		xDiff = kayakItem->Pose.Position.x - xDiff;
@@ -378,10 +405,10 @@ namespace TEN::Entities::Vehicles
 		return verticalVelocity;
 	}
 
-	void KayakDoCurrent(ItemInfo* laraItem, ItemInfo* kayakItem)
+	void KayakDoCurrent(ItemInfo* kayakItem, ItemInfo* laraItem)
 	{
 		auto* lara = GetLaraInfo(laraItem);
-		auto* room = &g_Level.Rooms[kayakItem->RoomNumber];
+		auto* room = &g_Level.Rooms[kayakItem->RoomNumber]; // Unused.
 
 		if (!lara->WaterCurrentActive)
 		{
@@ -439,37 +466,10 @@ namespace TEN::Entities::Vehicles
 		lara->WaterCurrentActive = 0;
 	}
 
-	int KayakTestHeight(ItemInfo* kayakItem, int x, int z, Vector3Int* pos)
+	bool KayakCanGetOut(ItemInfo* kayakItem, int direction)
-	{
-		Matrix world =
-			Matrix::CreateFromYawPitchRoll(TO_RAD(kayakItem->Pose.Orientation.y), TO_RAD(kayakItem->Pose.Orientation.x), TO_RAD(kayakItem->Pose.Orientation.z)) *
-			Matrix::CreateTranslation(kayakItem->Pose.Position.x, kayakItem->Pose.Position.y, kayakItem->Pose.Position.z);
-
-		Vector3 vec = Vector3(x, 0, z);
-		vec = Vector3::Transform(vec, world);
-	
-		pos->x = vec.x;
-		pos->y = vec.y;
-		pos->z = vec.z;
-
-		auto probe = GetCollision(pos->x, pos->y, pos->z, kayakItem->RoomNumber);
-		int probedRoomNum = probe.RoomNumber;
-
-		int height = GetWaterHeight(pos->x, pos->y, pos->z, probedRoomNum);
-		if (height == NO_HEIGHT)
-		{
-			height = probe.Position.Floor;
-			if (height == NO_HEIGHT)
-				return height;
-		}
-
-		return (height - 5);
-	}
-
-	bool KayakCanGetOut(ItemInfo* kayakItem, int dir)
 	{
 		Vector3Int pos;
-		int height = KayakTestHeight(kayakItem, (dir < 0) ? -DISMOUNT_DISTANCE : DISMOUNT_DISTANCE, 0, &pos);
+		int height = GetVehicleWaterHeight(kayakItem, 0, (direction < 0) ? -KAYAK_DISMOUNT_DISTANCE : KAYAK_DISMOUNT_DISTANCE, false, &pos);
 
 		if ((kayakItem->Pose.Position.y - height) > 0)
 			return false;
@@ -580,43 +580,37 @@ namespace TEN::Entities::Vehicles
 		return 0;
 	}
 
-	void KayakToBackground(ItemInfo* laraItem, ItemInfo* kayakItem)
+	void KayakToBackground(ItemInfo* kayakItem, ItemInfo* laraItem)
 	{
-		auto* kayak = (KayakInfo*)kayakItem->Data;
+		auto* kayak = GetKayakInfo(kayakItem);
 
-		kayak->OldPos = kayakItem->Pose;
+		kayak->OldPose = kayakItem->Pose;
 
 		Vector3Int oldPos[9];
 		int height[8];
-		height[0] = KayakTestHeight(kayakItem, 0, 1024, &oldPos[0]);
+		height[0] = GetVehicleWaterHeight(kayakItem, 1024, 0, true, &oldPos[0]);
-		height[1] = KayakTestHeight(kayakItem, -96, 512, &oldPos[1]);
+		height[1] = GetVehicleWaterHeight(kayakItem, 512, -96, true, &oldPos[1]);
-		height[2] = KayakTestHeight(kayakItem, 96, 512, &oldPos[2]);
+		height[2] = GetVehicleWaterHeight(kayakItem, 512, 96, true, &oldPos[2]);
-		height[3] = KayakTestHeight(kayakItem, -128, 128, &oldPos[3]);
+		height[3] = GetVehicleWaterHeight(kayakItem, 128, -128, true, &oldPos[3]);
-		height[4] = KayakTestHeight(kayakItem, 128, 128, &oldPos[4]);
+		height[4] = GetVehicleWaterHeight(kayakItem, 128, 128, true, &oldPos[4]);
-		height[5] = KayakTestHeight(kayakItem, -128, -320, &oldPos[5]);
+		height[5] = GetVehicleWaterHeight(kayakItem, -320, -128, true, &oldPos[5]);
-		height[6] = KayakTestHeight(kayakItem, 128, -320, &oldPos[6]);
+		height[6] = GetVehicleWaterHeight(kayakItem, -320, 128, true, &oldPos[6]);
-		height[7] = KayakTestHeight(kayakItem, 0, -640, &oldPos[7]);
+		height[7] = GetVehicleWaterHeight(kayakItem, -640, 0, true, &oldPos[7]);
-
-		for (int i = 0; i < 8; i++)
-		{
-			if (oldPos[i].y > height[i])
-				oldPos[i].y = height[i];
-		}
 
 		oldPos[8].x = kayakItem->Pose.Position.x;
 		oldPos[8].y = kayakItem->Pose.Position.y;
 		oldPos[8].z = kayakItem->Pose.Position.z;
  
 		Vector3Int frontPos, leftPos, rightPos;
-		int frontHeight = KayakTestHeight(kayakItem, 0, 1024, &frontPos);
+		int frontHeight = GetVehicleWaterHeight(kayakItem, 1024, 0, false, &frontPos);
-		int leftHeight = KayakTestHeight(kayakItem, -KAYAK_X, KAYAK_Z, &leftPos);
+		int leftHeight  = GetVehicleWaterHeight(kayakItem, KAYAK_Z, -KAYAK_X,  false, &leftPos);
-		int rightHeight = KayakTestHeight(kayakItem, KAYAK_X, KAYAK_Z, &rightPos);
+		int rightHeight = GetVehicleWaterHeight(kayakItem, KAYAK_Z, KAYAK_X, false, &rightPos);
 
-		kayakItem->Pose.Orientation.y += kayak->TurnRate / (USHRT_MAX + 1);
 		kayakItem->Pose.Position.x += kayakItem->Animation.Velocity * phd_sin(kayakItem->Pose.Orientation.y);
 		kayakItem->Pose.Position.z += kayakItem->Animation.Velocity * phd_cos(kayakItem->Pose.Orientation.y);
+		kayakItem->Pose.Orientation.y += kayak->TurnRate;
 
-		KayakDoCurrent(laraItem,kayakItem);
+		KayakDoCurrent(kayakItem, laraItem);
 
 		kayak->LeftVerticalVelocity = KayakDoDynamics(leftHeight, kayak->LeftVerticalVelocity, &leftPos.y);
 		kayak->RightVerticalVelocity = KayakDoDynamics(rightHeight, kayak->RightVerticalVelocity, &rightPos.y);
@@ -637,28 +631,28 @@ namespace TEN::Entities::Vehicles
 		int rot = 0;
 		Vector3Int pos;
 
-		if ((height2 = KayakTestHeight(kayakItem, 0, -CLICK(2.5f), &pos)) < (oldPos[7].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, -CLICK(2.5f), 0, false, &pos)) < (oldPos[7].y - KAYAK_COLLIDE))
 			rot = KayakDoShift(kayakItem, &pos, &oldPos[7]);
 
-		if ((height2 = KayakTestHeight(kayakItem, CLICK(0.5f), -CLICK(1.25f), &pos)) < (oldPos[6].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, -CLICK(1.25f), CLICK(0.5f), false, &pos)) < (oldPos[6].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[6]);
 
-		if ((height2 = KayakTestHeight(kayakItem, -CLICK(0.5f), -CLICK(1.25f), &pos)) < (oldPos[5].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, -CLICK(1.25f), -CLICK(0.5f), false, &pos)) < (oldPos[5].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[5]);
 
-		if ((height2 = KayakTestHeight(kayakItem, CLICK(0.5f), CLICK(0.5f), &pos)) < (oldPos[4].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, CLICK(0.5f), CLICK(0.5f), false, &pos)) < (oldPos[4].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[4]);
 
-		if ((height2 = KayakTestHeight(kayakItem, -CLICK(0.5f), CLICK(0.5f), &pos)) < (oldPos[3].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, CLICK(0.5f), -CLICK(0.5f), false, &pos)) < (oldPos[3].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[3]);
 
-		if ((height2 = KayakTestHeight(kayakItem, 96, CLICK(2), &pos)) < (oldPos[2].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, CLICK(2), 96, false, &pos)) < (oldPos[2].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[2]);
 
-		if ((height2 = KayakTestHeight(kayakItem, -96, CLICK(2), &pos)) < (oldPos[1].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, CLICK(2), -96, false, &pos)) < (oldPos[1].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[1]);
 
-		if ((height2 = KayakTestHeight(kayakItem, 0, CLICK(4), &pos)) < (oldPos[0].y - KAYAK_COLLIDE))
+		if ((height2 = GetVehicleWaterHeight(kayakItem, CLICK(4), 0, false, &pos)) < (oldPos[0].y - KAYAK_COLLIDE))
 			rot += KayakDoShift(kayakItem, &pos, &oldPos[0]);
 
 		kayakItem->Pose.Orientation.y += rot;
@@ -683,9 +677,9 @@ namespace TEN::Entities::Vehicles
 		if (height2 == NO_HEIGHT)
 		{
 			GameVector kayakPos;
-			kayakPos.x = kayak->OldPos.Position.x;
+			kayakPos.x = kayak->OldPose.Position.x;
-			kayakPos.y = kayak->OldPos.Position.y;
+			kayakPos.y = kayak->OldPose.Position.y;
-			kayakPos.z = kayak->OldPos.Position.z;
+			kayakPos.z = kayak->OldPose.Position.z;
 			kayakPos.roomNumber = kayakItem->RoomNumber;
 
 			CameraCollisionBounds(&kayakPos, 256, 0);
@@ -707,11 +701,11 @@ namespace TEN::Entities::Vehicles
 			int newVelocity;
 
 			newVelocity = (kayakItem->Pose.Position.z - oldPos[8].z) * phd_cos(kayakItem->Pose.Orientation.y) + (kayakItem->Pose.Position.x - oldPos[8].x) * phd_sin(kayakItem->Pose.Orientation.y);
-			newVelocity *= 256;
+			newVelocity *= VEHICLE_VELOCITY_SCALE;
 
 			if (slip)
 			{
-				if (kayak->Velocity <= MAX_VELOCITY)
+				if (kayak->Velocity <= KAYAK_VELOCITY_MAX)
 					kayak->Velocity = newVelocity;
 			}
 			else
@@ -723,15 +717,15 @@ namespace TEN::Entities::Vehicles
 					kayak->Velocity = newVelocity;
 			}
 
-			if (kayak->Velocity < -MAX_VELOCITY)
+			if (kayak->Velocity < -KAYAK_VELOCITY_MAX)
-				kayak->Velocity = -MAX_VELOCITY;
+				kayak->Velocity = -KAYAK_VELOCITY_MAX;
 		}
 	}
 
-	void KayakUserInput(ItemInfo* laraItem, ItemInfo* kayakItem)
+	void KayakUserInput(ItemInfo* kayakItem, ItemInfo* laraItem)
 	{
+		auto* kayak = GetKayakInfo(kayakItem);
 		auto* lara = GetLaraInfo(laraItem);
-		auto* kayak = (KayakInfo*)kayakItem->Data;
 
 		if (laraItem->HitPoints <= 0 &&
 			laraItem->Animation.ActiveState != KAYAK_STATE_IDLE_DEATH)
@@ -746,7 +740,7 @@ namespace TEN::Entities::Vehicles
 		switch (laraItem->Animation.ActiveState)
 		{
 		case KAYAK_STATE_IDLE:
-			if (TrInput & KAYAK_IN_DISMOUNT &&
+			if (TrInput & VEHICLE_IN_DISMOUNT &&
 				!lara->WaterCurrentActive &&
 				!lara->WaterCurrentPull.x && !lara->WaterCurrentPull.z)
 			{
@@ -811,20 +805,20 @@ namespace TEN::Entities::Vehicles
 			if (kayak->Forward)
 			{
 				if (!frame)
-					kayak->LeftRightCount = 0;
+					kayak->LeftRightPaddleCount = 0;
 
 				// TODO: Sort out the bitwise operations.
-				if (frame == 2 && !(kayak->LeftRightCount & 0x80))
+				if (frame == 2 && !(kayak->LeftRightPaddleCount & 0x80))
-					kayak->LeftRightCount++;
+					kayak->LeftRightPaddleCount++;
 
 				else if (frame > 2)
-					kayak->LeftRightCount &= ~0x80;
+					kayak->LeftRightPaddleCount &= ~0x80;
 
 				if (TrInput & KAYAK_IN_FORWARD)
 				{
 					if (TrInput & KAYAK_IN_LEFT && !(TrInput & KAYAK_IN_HOLD))
 					{
-						if ((kayak->LeftRightCount & ~0x80) >= 2)
+						if ((kayak->LeftRightPaddleCount & ~0x80) >= 2)
 							laraItem->Animation.TargetState = KAYAK_STATE_TURN_RIGHT;
 					}
 					else
@@ -840,25 +834,25 @@ namespace TEN::Entities::Vehicles
 			{
 				if (kayak->Forward)
 				{
-					kayak->TurnRate -= KAYAK_FORWARD_ROTATION;
+					kayak->TurnRate -= KAYAK_TURN_RATE_FORWARD_ACCEL;
-					if (kayak->TurnRate < -KAYAK_MAX_TURN)
+					if (kayak->TurnRate < -KAYAK_TURN_RATE_MAX)
-						kayak->TurnRate = -KAYAK_MAX_TURN;
+						kayak->TurnRate = -KAYAK_TURN_RATE_MAX;
 
-					kayak->Velocity += KAYAK_FORWARD_VELOCITY;
+					kayak->Velocity += KAYAK_VELOCITY_FORWARD_ACCEL;
 				}
 				else if (kayak->Turn)
 				{
-					kayak->TurnRate -= KAYAK_HARD_ROTATION;
+					kayak->TurnRate -= KAYAK_TURN_RATE_HOLD_ACCEL;
-					if (kayak->TurnRate < -KAYAK_MAX_STAT)
+					if (kayak->TurnRate < -KAYAK_TURN_RATE_HOLD_MAX)
-						kayak->TurnRate = -KAYAK_MAX_STAT;
+						kayak->TurnRate = -KAYAK_TURN_RATE_HOLD_MAX;
 				}
 				else
 				{
-					kayak->TurnRate -= KAYAK_LEFT_RIGHT_ROTATION;
+					kayak->TurnRate -= KAYAK_TURN_RATE_LR_ACCEL;
-					if (kayak->TurnRate < -KAYAK_MAX_LEFT_RIGHT)
+					if (kayak->TurnRate < -KAYAK_TURN_RATE_LR_MAX)
-						kayak->TurnRate = -KAYAK_MAX_LEFT_RIGHT;
+						kayak->TurnRate = -KAYAK_TURN_RATE_LR_MAX;
 
-					kayak->Velocity += KAYAK_LEFT_RIGHT_VELOCITY;
+					kayak->Velocity += KAYAK_VELOCITY_LR_ACCEL;
 				}
 			}
 
@@ -871,19 +865,19 @@ namespace TEN::Entities::Vehicles
 			if (kayak->Forward)
 			{
 				if (!frame)
-					kayak->LeftRightCount = 0;
+					kayak->LeftRightPaddleCount = 0;
 
-				if (frame == 2 && !(kayak->LeftRightCount & 0x80))
+				if (frame == 2 && !(kayak->LeftRightPaddleCount & 0x80))
-					kayak->LeftRightCount++;
+					kayak->LeftRightPaddleCount++;
 
 				else if (frame > 2)
-					kayak->LeftRightCount &= ~0x80;
+					kayak->LeftRightPaddleCount &= ~0x80;
 
 				if (TrInput & KAYAK_IN_FORWARD)
 				{
 					if (TrInput & KAYAK_IN_RIGHT && !(TrInput & KAYAK_IN_HOLD))
 					{
-						if ((kayak->LeftRightCount & ~0x80) >= 2)
+						if ((kayak->LeftRightPaddleCount & ~0x80) >= 2)
 							laraItem->Animation.TargetState = KAYAK_STATE_TURN_LEFT;
 					}
 					else
@@ -900,25 +894,25 @@ namespace TEN::Entities::Vehicles
 			{
 				if (kayak->Forward)
 				{
-					kayak->TurnRate += KAYAK_FORWARD_ROTATION;
+					kayak->TurnRate += KAYAK_TURN_RATE_FORWARD_ACCEL;
-					if (kayak->TurnRate > KAYAK_MAX_TURN)
+					if (kayak->TurnRate > KAYAK_TURN_RATE_MAX)
-						kayak->TurnRate = KAYAK_MAX_TURN;
+						kayak->TurnRate = KAYAK_TURN_RATE_MAX;
 
-					kayak->Velocity += KAYAK_FORWARD_VELOCITY;
+					kayak->Velocity += KAYAK_VELOCITY_FORWARD_ACCEL;
 				}
 				else if (kayak->Turn)
 				{
-					kayak->TurnRate += KAYAK_HARD_ROTATION;
+					kayak->TurnRate += KAYAK_TURN_RATE_HOLD_ACCEL;
-					if (kayak->TurnRate > KAYAK_MAX_STAT)
+					if (kayak->TurnRate > KAYAK_TURN_RATE_HOLD_MAX)
-						kayak->TurnRate = KAYAK_MAX_STAT;
+						kayak->TurnRate = KAYAK_TURN_RATE_HOLD_MAX;
 				}
 				else
 				{
-					kayak->TurnRate += KAYAK_LEFT_RIGHT_ROTATION;
+					kayak->TurnRate += KAYAK_TURN_RATE_LR_ACCEL;
-					if (kayak->TurnRate > KAYAK_MAX_LEFT_RIGHT)
+					if (kayak->TurnRate > KAYAK_TURN_RATE_LR_MAX)
-						kayak->TurnRate = KAYAK_MAX_LEFT_RIGHT;
+						kayak->TurnRate = KAYAK_TURN_RATE_LR_MAX;
 
-					kayak->Velocity += KAYAK_LEFT_RIGHT_VELOCITY;
+					kayak->Velocity += KAYAK_VELOCITY_LR_ACCEL;
 				}
 			}
 
@@ -935,14 +929,14 @@ namespace TEN::Entities::Vehicles
 			{
 				if (frame == 8)
 				{
-					kayak->TurnRate += KAYAK_FORWARD_ROTATION;
+					kayak->TurnRate += KAYAK_TURN_RATE_FORWARD_ACCEL;
-					kayak->Velocity -= KAYAK_FORWARD_VELOCITY;
+					kayak->Velocity -= KAYAK_VELOCITY_FORWARD_ACCEL;
 				}
 
 				if (frame == 31)
 				{
-					kayak->TurnRate -= KAYAK_FORWARD_ROTATION;
+					kayak->TurnRate -= KAYAK_TURN_RATE_FORWARD_ACCEL;
-					kayak->Velocity -= KAYAK_FORWARD_VELOCITY;
+					kayak->Velocity -= KAYAK_VELOCITY_FORWARD_ACCEL;
 				}
 
 				if (frame < 15 && frame & 1)
@@ -967,10 +961,10 @@ namespace TEN::Entities::Vehicles
 				if (kayak->Velocity >= 0)
 				{
 					kayak->TurnRate -= KAYAK_TURN_ROTATION;
-					if (kayak->TurnRate < -KAYAK_MAX_TURN)
+					if (kayak->TurnRate < -KAYAK_TURN_RATE_MAX)
-						kayak->TurnRate = -KAYAK_MAX_TURN;
+						kayak->TurnRate = -KAYAK_TURN_RATE_MAX;
 
-					kayak->Velocity += -KAYAK_TURN_BRAKE;
+					kayak->Velocity += -KAYAK_VELOCITY_HOLD_TURN_DECEL;
 					if (kayak->Velocity < 0)
 						kayak->Velocity = 0;
 				}
@@ -979,7 +973,7 @@ namespace TEN::Entities::Vehicles
 				{
 					kayak->TurnRate += KAYAK_TURN_ROTATION;
 
-					kayak->Velocity += KAYAK_TURN_BRAKE;
+					kayak->Velocity += KAYAK_VELOCITY_HOLD_TURN_DECEL;
 					if (kayak->Velocity > 0)
 						kayak->Velocity = 0;
 				}
@@ -1003,10 +997,10 @@ namespace TEN::Entities::Vehicles
 				if (kayak->Velocity >= 0)
 				{
 					kayak->TurnRate += KAYAK_TURN_ROTATION;
-					if (kayak->TurnRate > KAYAK_MAX_TURN)
+					if (kayak->TurnRate > KAYAK_TURN_RATE_MAX)
-						kayak->TurnRate = KAYAK_MAX_TURN;
+						kayak->TurnRate = KAYAK_TURN_RATE_MAX;
 
-					kayak->Velocity += -KAYAK_TURN_BRAKE;
+					kayak->Velocity += -KAYAK_VELOCITY_HOLD_TURN_DECEL;
 					if (kayak->Velocity < 0)
 						kayak->Velocity = 0;
 				}
@@ -1015,7 +1009,7 @@ namespace TEN::Entities::Vehicles
 				{
 					kayak->TurnRate -= KAYAK_TURN_ROTATION;
 
-					kayak->Velocity += KAYAK_TURN_BRAKE;
+					kayak->Velocity += KAYAK_VELOCITY_HOLD_TURN_DECEL;
 					if (kayak->Velocity > 0)
 						kayak->Velocity = 0;
 				}
@@ -1033,7 +1027,7 @@ namespace TEN::Entities::Vehicles
 			{
 				kayak->Flags |= 0x80;
 				lara->MeshPtrs[LM_RHAND] = Objects[ID_KAYAK_LARA_ANIMS].meshIndex + LM_RHAND;
-				laraItem->MeshBits &= ~LARA_LEG_BITS;
+				laraItem->ClearBits(JointBitType::Mesh, KayakLaraLegJoints);
 			}
 
 			break;
@@ -1045,7 +1039,7 @@ namespace TEN::Entities::Vehicles
 			{
 				kayak->Flags &= ~0x80;
 				lara->MeshPtrs[LM_RHAND] = Objects[ID_LARA_SKIN].meshIndex + LM_RHAND;
-				laraItem->MeshBits |= LARA_LEG_BITS;
+				laraItem->SetBits(JointBitType::Mesh, KayakLaraLegJoints);
 			}
 
 			laraItem->Animation.TargetState = laraItem->Animation.RequiredState;
@@ -1059,18 +1053,16 @@ namespace TEN::Entities::Vehicles
 				GetLaraJointPosition(&vec, LM_HIPS);
 
 				SetAnimation(laraItem, LA_JUMP_FORWARD);
-				laraItem->Pose.Position.x = vec.x;
+				laraItem->Pose.Position = vec;
-				laraItem->Pose.Position.y = vec.y;
-				laraItem->Pose.Position.z = vec.z;
 				laraItem->Pose.Orientation.x = 0;
 				laraItem->Pose.Orientation.y = kayakItem->Pose.Orientation.y - ANGLE(90.0f);
 				laraItem->Pose.Orientation.z = 0;
 				laraItem->Animation.Velocity = 40;
 				laraItem->Animation.VerticalVelocity = -50;
-				laraItem->Animation.Airborne = true;
+				laraItem->Animation.IsAirborne = true;
 				lara->Control.HandStatus = HandStatus::Free;
 				lara->Vehicle = NO_ITEM;
-				kayak->LeftRightCount = 0;
+				kayak->LeftRightPaddleCount = 0;
 			}
 
 			break;
@@ -1083,56 +1075,54 @@ namespace TEN::Entities::Vehicles
 				GetLaraJointPosition(&vec, LM_HIPS);
 
 				SetAnimation(laraItem, LA_JUMP_FORWARD);
-				laraItem->Pose.Position.x = vec.x;
+				laraItem->Pose.Position = vec;
-				laraItem->Pose.Position.y = vec.y;
-				laraItem->Pose.Position.z = vec.z;
 				laraItem->Pose.Orientation.x = 0;
 				laraItem->Pose.Orientation.y = kayakItem->Pose.Orientation.y + ANGLE(90.0f);
 				laraItem->Pose.Orientation.z = 0;
+				laraItem->Animation.IsAirborne = true;
 				laraItem->Animation.Velocity = 40;
 				laraItem->Animation.VerticalVelocity = -50;
-				laraItem->Animation.Airborne = true;
 				lara->Control.HandStatus = HandStatus::Free;
 				lara->Vehicle = NO_ITEM;
-				kayak->LeftRightCount = 0;
+				kayak->LeftRightPaddleCount = 0;
 			}
 		}
 
 		if (kayak->Velocity > 0)
 		{
-			kayak->Velocity -= KAYAK_FRICTION;
+			kayak->Velocity -= KAYAK_VELOCITY_FRICTION_DECEL;
 			if (kayak->Velocity < 0)
 				kayak->Velocity = 0;
 		}
 		else if (kayak->Velocity < 0)
 		{
-			kayak->Velocity += KAYAK_FRICTION;
+			kayak->Velocity += KAYAK_VELOCITY_FRICTION_DECEL;
 			if (kayak->Velocity > 0)
 				kayak->Velocity = 0;
 		}
 
-		if (kayak->Velocity > MAX_VELOCITY)
+		if (kayak->Velocity > KAYAK_VELOCITY_MAX)
-			kayak->Velocity = MAX_VELOCITY;
+			kayak->Velocity = KAYAK_VELOCITY_MAX;
-		else if (kayak->Velocity < -MAX_VELOCITY)
+		else if (kayak->Velocity < -KAYAK_VELOCITY_MAX)
-			kayak->Velocity = -MAX_VELOCITY;
+			kayak->Velocity = -KAYAK_VELOCITY_MAX;
 
-		kayakItem->Animation.Velocity = (kayak->Velocity / (USHRT_MAX + 1));
+		kayakItem->Animation.Velocity = kayak->Velocity / VEHICLE_VELOCITY_SCALE;
-		;
+		
 		if (kayak->TurnRate >= 0)
 		{
-			kayak->TurnRate -= KAYAK_ROTATE_FRICTION;
+			kayak->TurnRate -= KAYAK_TURN_RATE_FRICTION_DECEL;
 			if (kayak->TurnRate < 0)
 				kayak->TurnRate = 0;
 		}
 		else if (kayak->TurnRate < 0)
 		{
-			kayak->TurnRate += KAYAK_ROTATE_FRICTION;
+			kayak->TurnRate += KAYAK_TURN_RATE_FRICTION_DECEL;
 			if (kayak->TurnRate > 0)
 				kayak->TurnRate = 0;
 		}
 	}
 
-	void KayakToItemCollision(ItemInfo* laraItem, ItemInfo* kayakItem)
+	void KayakToItemCollision(ItemInfo* kayakItem, ItemInfo* laraItem)
 	{
 		short roomsToCheck[128];
 		short numRoomsToCheck = 0;
@@ -1198,87 +1188,32 @@ namespace TEN::Entities::Vehicles
 		laraItem->Animation.FrameNumber = g_Level.Anims[LaraItem->Animation.AnimNumber].frameBase;
 		laraItem->Animation.ActiveState = 12; // TODO
 		laraItem->Animation.TargetState = 12;
-		laraItem->HitPoints = -1;
+		laraItem->Animation.IsAirborne = false;
 		laraItem->Animation.Velocity = 0;
 		laraItem->Animation.VerticalVelocity = 0;
-		laraItem->Animation.Airborne = false;
+		laraItem->HitPoints = -1;
 
 		AnimateItem(laraItem);
 
-		lara->ExtraAnim = 1;
 		lara->Control.HandStatus = HandStatus::Busy;
 		lara->Control.Weapon.GunType = LaraWeaponType::None;
+		lara->ExtraAnim = 1;
 		lara->HitDirection = -1;
 	}
 
-	void KayakCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-		auto* kayakItem = &g_Level.Items[itemNumber];
-		auto* kayak = (KayakInfo*)kayakItem->Data;
-
-		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
-			return;
-
-		KayakMountType mountType = KayakGetMountType(laraItem, itemNumber);
-		if (mountType != KayakMountType::None)
-		{
-			lara->Vehicle = itemNumber;
-
-			if (lara->Control.Weapon.GunType == LaraWeaponType::Flare)
-			{
-				CreateFlare(laraItem, ID_FLARE_ITEM, 0);
-				UndrawFlareMeshes(laraItem);
-				lara->Flare.ControlLeft = 0;
-				lara->Control.Weapon.RequestGunType = lara->Control.Weapon.GunType = LaraWeaponType::None;
-			}
-
-			if (mountType == KayakMountType::Right)
-				laraItem->Animation.AnimNumber = Objects[ID_KAYAK_LARA_ANIMS].animIndex + KAYAK_ANIM_MOUNT_RIGHT;
-			else if (mountType == KayakMountType::Left)
-				laraItem->Animation.AnimNumber = Objects[ID_KAYAK_LARA_ANIMS].animIndex + KAYAK_ANIM_MOUNT_LEFT;
-
-			laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-			laraItem->Animation.ActiveState = laraItem->Animation.TargetState = KAYAK_STATE_MOUNT_LEFT;
-			laraItem->Pose.Position.x = kayakItem->Pose.Position.x;
-			laraItem->Pose.Position.y = kayakItem->Pose.Position.y;
-			laraItem->Pose.Position.z = kayakItem->Pose.Position.z;
-			laraItem->Pose.Orientation.x = 0;
-			laraItem->Pose.Orientation.y = kayakItem->Pose.Orientation.y;
-			laraItem->Pose.Orientation.z = 0;
-			laraItem->Animation.Velocity = 0;
-			laraItem->Animation.VerticalVelocity = 0;
-			laraItem->Animation.Airborne = false;
-			lara->Control.WaterStatus = WaterStatus::Dry;
-
-			if (laraItem->RoomNumber != kayakItem->RoomNumber)
-				ItemNewRoom(lara->ItemNumber, kayakItem->RoomNumber);
-
-			AnimateItem(laraItem);
-
-			kayak->WaterHeight = kayakItem->Pose.Position.y;
-			kayak->Flags = 0;
-		}
-		else
-		{
-			coll->Setup.EnableObjectPush = true;
-			ObjectCollision(itemNumber, laraItem, coll);
-		}
-	}
-
 	bool KayakControl(ItemInfo* laraItem)
 	{
 		auto* lara = GetLaraInfo(laraItem);
 		auto* kayakItem = &g_Level.Items[lara->Vehicle];
-		auto* kayak = (KayakInfo*)kayakItem->Data;
+		auto* kayak = GetKayakInfo(kayakItem);
 
 		if (TrInput & IN_LOOK)
 			LookUpDown(laraItem);
 
 		int ofs = kayakItem->Animation.VerticalVelocity;
 
-		KayakUserInput(laraItem, kayakItem);
+		KayakUserInput(kayakItem, laraItem);
-		KayakToBackground(laraItem, kayakItem);
+		KayakToBackground(kayakItem, laraItem);
 		TestTriggers(kayakItem, false);
 
 		auto probe = GetCollision(kayakItem);
@@ -1314,9 +1249,7 @@ namespace TEN::Entities::Vehicles
 				ItemNewRoom(lara->ItemNumber, probe.RoomNumber);
 			}
 
-			laraItem->Pose.Position.x = kayakItem->Pose.Position.x;
+			laraItem->Pose.Position = kayakItem->Pose.Position;
-			laraItem->Pose.Position.y = kayakItem->Pose.Position.y;
-			laraItem->Pose.Position.z = kayakItem->Pose.Position.z;
 			laraItem->Pose.Orientation.x = kayakItem->Pose.Orientation.x;
 			laraItem->Pose.Orientation.y = kayakItem->Pose.Orientation.y;
 			laraItem->Pose.Orientation.z = kayakItem->Pose.Orientation.z / 2;
@@ -1373,7 +1306,7 @@ namespace TEN::Entities::Vehicles
 		}
 
 		KayakUpdateWakeFX();
-		KayakToItemCollision(laraItem, kayakItem);
+		KayakToItemCollision(kayakItem, laraItem);
 
 		return (lara->Vehicle != NO_ITEM) ? true : false;
 	}

TombEngine/Objects/TR3/Vehicles/kayak.h

@@ -1,12 +1,16 @@
 #pragma once
+#include "Objects/Utils/VehicleHelpers.h"
 
-struct ItemInfo;
 struct CollisionInfo;
-struct Vector3Int;
+struct ItemInfo;
 
 namespace TEN::Entities::Vehicles
 {
 	void InitialiseKayak(short itemNumber);
+
+	void KayakPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoKayakMount(ItemInfo* kayakItem, ItemInfo* laraItem, VehicleMountType mountType);
+
 	void KayakDraw(ItemInfo* kayakItem);
 
 	void KayakDoWake(ItemInfo* kayakItem, int xOffset, int zOffset, short rotate);
@@ -15,15 +19,13 @@ namespace TEN::Entities::Vehicles
 
 	int KayakGetCollisionAnim(ItemInfo* kayakItem, int xDiff, int zDiff);
 	int KayakDoDynamics(int height, int verticalVelocity, int* y);
-	void KayakDoCurrent(ItemInfo* laraItem, ItemInfo* kayakItem);
+	void KayakDoCurrent(ItemInfo* kayakItem, ItemInfo* laraItem);
-	int KayakTestHeight(ItemInfo* kayakItem, int x, int z, Vector3Int* pos);
 	bool KayakCanGetOut(ItemInfo* kayakItem, int dir);
 	int KayakDoShift(ItemInfo* kayakItem, Vector3Int* pos, Vector3Int* old);
-	void KayakToBackground(ItemInfo* laraItem, ItemInfo* kayakItem);
+	void KayakToBackground(ItemInfo* kayakItem, ItemInfo* laraItem);
-	void KayakUserInput(ItemInfo* laraItem, ItemInfo* kayakItem);
+	void KayakUserInput(ItemInfo* kayakItem, ItemInfo* laraItem);
-	void KayakToItemCollision(ItemInfo* laraItem, ItemInfo* kayakItem);
+	void KayakToItemCollision(ItemInfo* kayakItem, ItemInfo* laraItem);
 	void KayakLaraRapidsDrown(ItemInfo* laraItem);
 
-	void KayakCollision(short itemNum, ItemInfo* laraItem, CollisionInfo* coll);
 	bool KayakControl(ItemInfo* laraItem);
 }

TombEngine/Objects/TR3/Vehicles/kayak_info.h

@@ -5,23 +5,23 @@ namespace TEN::Entities::Vehicles
 {
 	struct KayakInfo
 	{
-		int TurnRate;
+		int TurnRate = 0;
 
-		int Velocity;
+		int Velocity = 0;
-		int FrontVerticalVelocity;
+		int FrontVerticalVelocity = 0;
-		int LeftVerticalVelocity;
+		int LeftVerticalVelocity = 0;
-		int RightVerticalVelocity;
+		int RightVerticalVelocity = 0;
 
-		unsigned int LeftRightCount;
+		PHD_3DPOS OldPose = PHD_3DPOS();
-		int WaterHeight;
+		unsigned int LeftRightPaddleCount = 0;
-		PHD_3DPOS OldPos;
+		int WaterHeight = 0;
-		bool Turn;
+		bool Turn = false;
-		bool Forward;
+		bool Forward = false;
-		bool TrueWater;
+		bool TrueWater = false;
 
-		int CurrentStartWake;
+		int CurrentStartWake = 0;
-		int WakeShade;
+		int WakeShade = 0;
 
-		char Flags;
+		char Flags = NULL;
 	};
 }

TombEngine/Objects/TR3/Vehicles/minecart.cpp

@@ -12,46 +12,56 @@
 #include "Game/Lara/lara_flare.h"
 #include "Game/Lara/lara_helpers.h"
 #include "Objects/TR3/Vehicles/minecart_info.h"
+#include "Objects/Utils/VehicleHelpers.h"
 #include "Sound/sound.h"
 #include "Specific/input.h"
 #include "Specific/level.h"
 #include "Specific/setup.h"
 #include "Specific/prng.h"
 
-using namespace TEN::Input;
 using namespace TEN::Effects::Spark;
+using namespace TEN::Input;
 using namespace TEN::Math::Random;
+using std::vector;
 
 namespace TEN::Entities::Vehicles
 {
+	const vector<VehicleMountType> MinecartMountTypes =
+	{
+		VehicleMountType::LevelStart,
+		VehicleMountType::Left,
+		VehicleMountType::Right
+	};
+
 	constexpr auto MINECART_RADIUS = 100;
 	constexpr auto MINECART_ENTITY_RADIUS = CLICK(1);
 	constexpr auto MINECART_HEIGHT = CLICK(2);
 	constexpr auto MINECART_GRAVITY = SECTOR(1) + 1;
+	constexpr auto MINECART_STEP_HEIGHT = CLICK(1);
+	constexpr auto MINECART_MOUNT_DISTANCE = CLICK(2);
 	constexpr auto MINECART_DISMOUNT_DISTANCE = 330;
 	constexpr auto MINECART_NUM_HITS = 25;
 
-	constexpr auto MINECART_SPEED_MIN = 10 * 256; // TODO: These two have confusing names. @Sezz
+	constexpr auto MINECART_VELOCITY_DECEL = 6 * VEHICLE_VELOCITY_SCALE;
-	constexpr auto MINECART_VELOCITY_MIN = 32;
-	constexpr auto MINECART_VERTICAL_VELOCITY_MAX = 63 * 256;
-	constexpr auto MINECART_JUMP_VELOCITY = 63 * 1024;
-	constexpr auto MINECART_TURN_DEATH_VELOCITY = 128;
-	constexpr auto MINECART_TURN_FRICTION_VELOCITY = 70;
-	constexpr auto MINECART_DECELERATION = 6 * 256;
 
-	constexpr auto MINECART_FORWARD_GRADIENT = -128;
+	constexpr auto MINECART_SPEED_MIN = 10 * VEHICLE_VELOCITY_SCALE; // TODO: These two have confusing names. @Sezz
-	constexpr auto MINECART_BACK_GRADIENT = 128;
+	constexpr auto MINECART_VELOCITY_MIN = 32;
+	constexpr auto MINECART_FRICTION_VELOCITY_MIN = 70;
+	constexpr auto MINECART_STOP_VELOCITY_MAX = 240;
+	constexpr auto MINECART_VERTICAL_VELOCITY_MAX = 63 * VEHICLE_VELOCITY_SCALE;
+
+	constexpr auto MINECART_JUMP_VERTICAL_VELOCITY = 252 * VEHICLE_VELOCITY_SCALE;
+	constexpr auto MINECART_TURN_DEATH_VELOCITY = 128;
+
+	constexpr auto MINECART_FORWARD_GRADIENT = -CLICK(0.5f);
+	constexpr auto MINECART_BACK_GRADIENT = CLICK(0.5f);
 
 	constexpr auto MINECART_WRENCH_MESH_TOGGLE_FRAME = 20;
 
 	#define MINECART_TERMINAL_ANGLE ANGLE(22.0f)
 
-	#define MINECART_IN_BRAKE		(IN_BACK | IN_WALK | IN_JUMP)
+	#define MINECART_IN_DUCK	IN_CROUCH
-	#define MINECART_IN_DUCK		IN_CROUCH
+	#define MINECART_IN_SWIPE	(IN_ACTION | IN_DRAW)
-	#define MINECART_IN_SWIPE		IN_ACTION
-	#define MINECART_IN_DISMOUNT	(IN_JUMP | IN_ROLL)
-	#define MINECART_IN_LEFT		IN_LEFT
-	#define MINECART_IN_RIGHT		IN_RIGHT
 
 	int Wheels[4] = { 2, 3, 1, 4 };
 
@@ -144,7 +154,7 @@ namespace TEN::Entities::Vehicles
 		MINECART_FLAG_DEAD = (1 << 7)
 	};
 
-	static MinecartInfo* GetMinecartInfo(ItemInfo* minecartItem)
+	MinecartInfo* GetMinecartInfo(ItemInfo* minecartItem)
 	{
 		return (MinecartInfo*)minecartItem->Data;
 	}
@@ -154,20 +164,75 @@ namespace TEN::Entities::Vehicles
 		auto* minecartItem = &g_Level.Items[itemNumber];
 		minecartItem->Data = MinecartInfo();
 		auto* minecart = GetMinecartInfo(minecartItem);
+	}
 
+	void MinecartPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
+	{
+		auto* minecartItem = &g_Level.Items[itemNumber];
+		auto* lara = GetLaraInfo(laraItem);
+
+		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
+			return;
+
+		// Don't get into minecart if there are two stop blocks in front.
+		// This allows creation of minecarts which will get to a point and stop forever.
+		auto mountType = GetVehicleMountType(minecartItem, laraItem, coll, MinecartMountTypes, MINECART_MOUNT_DISTANCE);
+		if (mountType == VehicleMountType::None ||
+			GetCollision(minecartItem, minecartItem->Pose.Orientation.y, SECTOR(1)).BottomBlock->Flags.MinecartStop())
+		{
+			ObjectCollision(itemNumber, laraItem, coll);
+		}
+		else
+		{
+			lara->Vehicle = itemNumber;
+			DoMinecartMount(minecartItem, laraItem, mountType);
+		}
+	}
+
+	void DoMinecartMount(ItemInfo* minecartItem, ItemInfo* laraItem, VehicleMountType mountType)
+	{
+		auto* minecart = GetMinecartInfo(minecartItem);
+		auto* lara = GetLaraInfo(laraItem);
+
+		switch (mountType)
+		{
+		case VehicleMountType::LevelStart:
+			laraItem->Animation.AnimNumber = Objects[ID_MINECART_LARA_ANIMS].animIndex + MINECART_ANIM_IDLE;
+			laraItem->Animation.ActiveState = MINECART_STATE_IDLE;
+			laraItem->Animation.TargetState = MINECART_STATE_IDLE;
+			break;
+
+		case VehicleMountType::Left:
+			laraItem->Animation.AnimNumber = Objects[ID_MINECART_LARA_ANIMS].animIndex + MINECART_ANIM_MOUNT_LEFT;
+			laraItem->Animation.ActiveState = MINECART_STATE_MOUNT;
+			laraItem->Animation.TargetState = MINECART_STATE_MOUNT;
+			break;
+
+		default:
+		case VehicleMountType::Right:
+			laraItem->Animation.AnimNumber = Objects[ID_MINECART_LARA_ANIMS].animIndex + MINECART_ANIM_MOUNT_RIGHT;
+			laraItem->Animation.ActiveState = MINECART_STATE_MOUNT;
+			laraItem->Animation.TargetState = MINECART_STATE_MOUNT;
+			break;
+		}
+		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+
+		DoVehicleFlareDiscard(laraItem);
+		laraItem->Pose = minecartItem->Pose;
+		lara->Control.HandStatus = HandStatus::Busy;
 		minecart->Velocity = 0;
 		minecart->VerticalVelocity = 0;
 		minecart->Gradient = 0;
-		minecart->Flags = NULL;
+		minecart->Flags = 0;
 	}
-	
+
-	static void TriggerWheelSparkles(ItemInfo* item, bool left)
+	static void TriggerWheelSparkles(ItemInfo* minecartItem, bool left)
 	{
 		for (int i = 0; i < 2; i++)
 		{
-			auto pos = Vector3Int{};
+			auto pos = Vector3Int();
-			GetJointAbsPosition(item, &pos, Wheels[(left ? 0 : 2) + i]);
+			GetJointAbsPosition(minecartItem, &pos, Wheels[(left ? 0 : 2) + i]);
-			TriggerFrictionSpark(&GameVector(pos.x, pos.y, pos.z, item->RoomNumber), item->Pose.Orientation, 512, 10);
+			TriggerFrictionSpark(&GameVector(pos.x, pos.y, pos.z, minecartItem->RoomNumber), minecartItem->Pose.Orientation, 512, 10);
 			
 			if (i)
 			{
@@ -179,21 +244,6 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
-	static int TestMinecartHeight(ItemInfo* minecartItem, int xOffset, int zOffset)
-	{
-		float sinX = phd_sin(minecartItem->Pose.Orientation.x);
-		float sinY = phd_sin(minecartItem->Pose.Orientation.y);
-		float cosY = phd_cos(minecartItem->Pose.Orientation.y);
-		float sinZ = phd_sin(minecartItem->Pose.Orientation.z);
-
-		auto pos = Vector3Int(
-			minecartItem->Pose.Position.x + (zOffset * sinY) + (xOffset * cosY),
-			minecartItem->Pose.Position.y - (zOffset * sinX) + (xOffset * sinZ),
-			minecartItem->Pose.Position.z + (zOffset * cosY) - (xOffset * sinY)
-		);
-		return GetCollision(pos.x, pos.y, pos.z, minecartItem->RoomNumber).Position.Floor;
-	}
-
 	static short GetMinecartCollision(ItemInfo* minecartItem, short angle, int distance)
 	{
 		auto probe = GetCollision(minecartItem, angle, distance, -LARA_HEIGHT);
@@ -204,41 +254,6 @@ namespace TEN::Entities::Vehicles
 		return (short)probe.Position.Floor;
 	}
 
-	static bool GetInMinecart(ItemInfo* minecartItem, ItemInfo* laraItem, CollisionInfo* coll)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-
-		if (!(TrInput & IN_ACTION) || lara->Control.HandStatus != HandStatus::Free ||
-			laraItem->Animation.Airborne)
-		{
-			return false;
-		}
-
-		if (!TestBoundsCollide(minecartItem, laraItem, coll->Setup.Radius))
-			return false;
-
-		if (!TestCollision(minecartItem, laraItem))
-			return false;
-
-		int x = laraItem->Pose.Position.x - minecartItem->Pose.Position.x;
-		int z = laraItem->Pose.Position.z - minecartItem->Pose.Position.z;
-
-		int distance = pow(x, 2) + pow(z, 2);
-		if (distance > pow(CLICK(2), 2))
-			return false;
-
-		if (GetCollision(minecartItem).Position.Floor < -SECTOR(31.25f))
-			return false;
-
-		// Don't get into minecart if there's two stop blocks in front.
-		// Allows to create minecarts which will get to a point and stop forever.
-
-		if (GetCollision(minecartItem, minecartItem->Pose.Orientation.y, SECTOR(1)).BottomBlock->Flags.MinecartStop())
-			return false;
-
-		return true;
-	}
-
 	static bool TestMinecartDismount(ItemInfo* laraItem, int direction)
 	{
 		auto* lara = GetLaraInfo(laraItem);
@@ -267,7 +282,7 @@ namespace TEN::Entities::Vehicles
 		return true;
 	}
 
-	static void MinecartToEntityCollision(ItemInfo* laraItem, ItemInfo* minecartItem)
+	static void MinecartToEntityCollision(ItemInfo* minecartItem, ItemInfo* laraItem)
 	{
 		auto roomsList = GetRoomList(minecartItem->RoomNumber);
 
@@ -336,10 +351,11 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
-	static void MoveCart(ItemInfo* laraItem, ItemInfo* minecartItem)
+	static void MoveCart(ItemInfo* minecartItem, ItemInfo* laraItem)
 	{
-		auto* lara = GetLaraInfo(laraItem);
 		auto* minecart = GetMinecartInfo(minecartItem);
+		auto* lara = GetLaraInfo(laraItem);
+
 		auto flags = GetCollision(minecartItem).BottomBlock->Flags;
 
 		if (minecart->StopDelay)
@@ -348,7 +364,7 @@ namespace TEN::Entities::Vehicles
 		if ((flags.MinecartStop() && !minecart->StopDelay) &&
 			((minecartItem->Pose.Position.x & 0x380) == 512 || (minecartItem->Pose.Position.z & 0x380) == 512))
 		{
-			if (minecart->Velocity < 0xf000)
+			if (minecart->Velocity < MINECART_STOP_VELOCITY_MAX)
 			{
 				minecartItem->Animation.Velocity = 0;
 				minecart->Velocity = 0;
@@ -434,7 +450,7 @@ namespace TEN::Entities::Vehicles
 			minecart->Velocity = MINECART_SPEED_MIN;
 
 		minecart->Velocity -= minecart->Gradient * 4;
-		minecartItem->Animation.Velocity = minecart->Velocity / 256;
+		minecartItem->Animation.Velocity = minecart->Velocity / VEHICLE_VELOCITY_SCALE;
 
 		if (minecartItem->Animation.Velocity < MINECART_VELOCITY_MIN)
 		{
@@ -515,7 +531,7 @@ namespace TEN::Entities::Vehicles
 				minecartItem->Pose.Position.x = minecart->TurnX + x * 3584;
 				minecartItem->Pose.Position.z = minecart->TurnZ + z * 3584;
 
-				if (minecartItem->Animation.Velocity > MINECART_TURN_FRICTION_VELOCITY)
+				if (minecartItem->Animation.Velocity > MINECART_FRICTION_VELOCITY_MIN)
 				{
 					SoundEffect(SFX_TR3_VEHICLE_MINECART_BRAKE, &minecartItem->Pose, SoundEnvironment::Always);
 					TriggerWheelSparkles(minecartItem, (minecart->Flags & MINECART_FLAG_TURNING_RIGHT) != 0);
@@ -525,12 +541,12 @@ namespace TEN::Entities::Vehicles
 		else
 			TranslateItem(minecartItem, minecartItem->Pose.Orientation.y, minecartItem->Animation.Velocity);
 
-		minecart->FloorHeightMiddle = TestMinecartHeight(minecartItem, 0, 0);
+		minecart->FloorHeightMiddle = GetVehicleHeight(minecartItem, 0, 0, true, &Vector3Int());
 
 		if (!minecart->VerticalVelocity)
 		{
 			minecartItem->Pose.Position.y = minecart->FloorHeightMiddle;
-			minecart->FloorHeightFront = TestMinecartHeight(minecartItem, 0, CLICK(1));
+			minecart->FloorHeightFront = GetVehicleHeight(minecartItem, CLICK(1), 0, false, &Vector3Int());
 			minecart->Gradient = minecart->FloorHeightMiddle - minecart->FloorHeightFront;
 		}
 		else
@@ -549,7 +565,7 @@ namespace TEN::Entities::Vehicles
 				if (minecart->VerticalVelocity > MINECART_VERTICAL_VELOCITY_MAX)
 					minecart->VerticalVelocity = MINECART_VERTICAL_VELOCITY_MAX;
 
-				minecartItem->Pose.Position.y += minecart->VerticalVelocity / 256;
+				minecartItem->Pose.Position.y += minecart->VerticalVelocity / VEHICLE_VELOCITY_SCALE;
 			}
 		}
 
@@ -567,8 +583,9 @@ namespace TEN::Entities::Vehicles
 			minecartItem->Pose.Orientation.z -= minecartItem->Pose.Orientation.z / 8;
 	}
 
-	static void DoUserInput(ItemInfo* minecartItem, ItemInfo* laraItem, MinecartInfo* minecart)
+	static void DoUserInput(ItemInfo* minecartItem, ItemInfo* laraItem)
 	{
+		auto* minecart = GetMinecartInfo(minecartItem);
 		auto* lara = GetLaraInfo(laraItem);
 
 		short floorHeight;
@@ -580,7 +597,7 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_SWIPE;
 			else if (TrInput & MINECART_IN_DUCK)
 				laraItem->Animation.TargetState = MINECART_STATE_DUCK;
-			else if (TrInput & MINECART_IN_BRAKE)
+			else if (TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW))
 				laraItem->Animation.TargetState = MINECART_STATE_BRAKE;
 			else if (minecart->Velocity == MINECART_VELOCITY_MIN || minecart->Flags & MINECART_FLAG_STOPPED)
 				laraItem->Animation.TargetState = MINECART_STATE_IDLE;
@@ -588,9 +605,9 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_FORWARD;
 			else if (minecart->Gradient > MINECART_BACK_GRADIENT)
 				laraItem->Animation.TargetState = MINECART_STATE_BACK;
-			else if (TrInput & MINECART_IN_LEFT)
+			else if (TrInput & VEHICLE_IN_LEFT)
 				laraItem->Animation.TargetState = MINECART_STATE_LEFT;
-			else if (TrInput & MINECART_IN_RIGHT)
+			else if (TrInput & VEHICLE_IN_RIGHT)
 				laraItem->Animation.TargetState = MINECART_STATE_RIGHT;
 
 			break;
@@ -600,7 +617,7 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_SWIPE;
 			else if (TrInput & MINECART_IN_DUCK)
 				laraItem->Animation.TargetState = MINECART_STATE_DUCK;
-			else if (TrInput & MINECART_IN_BRAKE)
+			else if (TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW))
 				laraItem->Animation.TargetState = MINECART_STATE_BRAKE;
 			else if (minecart->Gradient > MINECART_FORWARD_GRADIENT)
 				laraItem->Animation.TargetState = MINECART_STATE_MOVE;
@@ -612,7 +629,7 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_SWIPE;
 			else if (TrInput & MINECART_IN_DUCK)
 				laraItem->Animation.TargetState = MINECART_STATE_DUCK;
-			else if (TrInput & MINECART_IN_BRAKE)
+			else if (TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW))
 				laraItem->Animation.TargetState = MINECART_STATE_BRAKE;
 			else if (minecart->Gradient < MINECART_BACK_GRADIENT)
 				laraItem->Animation.TargetState = MINECART_STATE_MOVE;
@@ -624,10 +641,10 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_SWIPE;
 			else if (TrInput & MINECART_IN_DUCK)
 				laraItem->Animation.TargetState = MINECART_STATE_DUCK;
-			else if (TrInput & MINECART_IN_BRAKE)
+			else if (TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW))
 				laraItem->Animation.TargetState = MINECART_STATE_BRAKE;
 
-			if (!(TrInput & MINECART_IN_LEFT))
+			if (!(TrInput & VEHICLE_IN_LEFT))
 				laraItem->Animation.TargetState = MINECART_STATE_MOVE;
 
 			break;
@@ -637,10 +654,10 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_SWIPE;
 			else if (TrInput & MINECART_IN_DUCK)
 				laraItem->Animation.TargetState = MINECART_STATE_DUCK;
-			else if (TrInput & MINECART_IN_BRAKE)
+			else if (TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW))
 				laraItem->Animation.TargetState = MINECART_STATE_BRAKE;
 
-			if (!(TrInput & MINECART_IN_RIGHT))
+			if (!(TrInput & VEHICLE_IN_RIGHT))
 				laraItem->Animation.TargetState = MINECART_STATE_MOVE;
 
 			break;
@@ -653,14 +670,14 @@ namespace TEN::Entities::Vehicles
 				minecart->StopDelay = 64;
 			}
 
-			if (TrInput & MINECART_IN_DISMOUNT && minecart->Flags & MINECART_FLAG_STOPPED)
+			if (TrInput & VEHICLE_IN_DISMOUNT && minecart->Flags & MINECART_FLAG_STOPPED)
 			{
-				if (TrInput & MINECART_IN_LEFT && TestMinecartDismount(laraItem, -1))
+				if (TrInput & VEHICLE_IN_LEFT && TestMinecartDismount(laraItem, -1))
 				{
 					laraItem->Animation.TargetState = MINECART_STATE_DISMOUNT;
 					minecart->Flags &= ~MINECART_FLAG_DISMOUNT_RIGHT;
 				}
-				else if (TrInput & MINECART_IN_RIGHT && TestMinecartDismount(laraItem, 1))
+				else if (TrInput & VEHICLE_IN_RIGHT && TestMinecartDismount(laraItem, 1))
 				{
 					laraItem->Animation.TargetState = MINECART_STATE_DISMOUNT;
 					minecart->Flags |= MINECART_FLAG_DISMOUNT_RIGHT;
@@ -680,7 +697,7 @@ namespace TEN::Entities::Vehicles
 		case MINECART_STATE_DUCK:
 			if (TrInput & MINECART_IN_SWIPE)
 				laraItem->Animation.TargetState = MINECART_STATE_SWIPE;
-			else if (TrInput & MINECART_IN_BRAKE)
+			else if (TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW))
 				laraItem->Animation.TargetState = MINECART_STATE_BRAKE;
 			else if (!(TrInput & MINECART_IN_DUCK))
 				laraItem->Animation.TargetState = MINECART_STATE_IDLE;
@@ -697,17 +714,17 @@ namespace TEN::Entities::Vehicles
 				laraItem->Animation.TargetState = MINECART_STATE_DUCK;
 				StopSoundEffect(SFX_TR3_VEHICLE_MINECART_BRAKE);
 			}
-			else if (!(TrInput & MINECART_IN_BRAKE) || minecart->Flags & MINECART_FLAG_STOPPED)
+			else if (!(TrInput & (VEHICLE_IN_BRAKE | VEHICLE_IN_SLOW)) || minecart->Flags & MINECART_FLAG_STOPPED)
 			{
 				laraItem->Animation.TargetState = MINECART_STATE_MOVE;
 				StopSoundEffect(SFX_TR3_VEHICLE_MINECART_BRAKE);
 			}
 			else
 			{
-				minecart->Velocity -= MINECART_DECELERATION;
+				minecart->Velocity -= MINECART_VELOCITY_DECEL;
 				SoundEffect(SFX_TR3_VEHICLE_MINECART_BRAKE, &laraItem->Pose, SoundEnvironment::Always);
 
-				if (minecartItem->Animation.Velocity > MINECART_TURN_FRICTION_VELOCITY)
+				if (minecartItem->Animation.Velocity > MINECART_FRICTION_VELOCITY_MIN)
 				{
 					TriggerWheelSparkles(minecartItem, false);
 					TriggerWheelSparkles(minecartItem, true);
@@ -797,8 +814,7 @@ namespace TEN::Entities::Vehicles
 			Camera.targetDistance = SECTOR(2);
 
 			floorHeight = GetMinecartCollision(minecartItem, minecartItem->Pose.Orientation.y, CLICK(2));
-			if (floorHeight > -CLICK(1) &&
+			if (abs(floorHeight) < MINECART_STEP_HEIGHT)
-				floorHeight < CLICK(1))
 			{
 				if (Wibble & 7 == 0)
 					SoundEffect(SFX_TR3_VEHICLE_QUADBIKE_FRONT_IMPACT, &minecartItem->Pose, SoundEnvironment::Always);
@@ -906,59 +922,12 @@ namespace TEN::Entities::Vehicles
 			}
 
 			if (floorHeight > CLICK(2.25f) && !minecart->VerticalVelocity)
-				minecart->VerticalVelocity = MINECART_JUMP_VELOCITY;
+				minecart->VerticalVelocity = MINECART_JUMP_VERTICAL_VELOCITY;
 
-			MinecartToEntityCollision(laraItem, minecartItem);
+			MinecartToEntityCollision(minecartItem, laraItem);
 		}
 	}
 
-	void MinecartCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-
-		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
-			return;
-
-		auto* minecartItem = &g_Level.Items[itemNumber];
-
-		bool doMount = GetInMinecart(minecartItem, laraItem, coll);
-		if (doMount)
-		{
-			lara->Vehicle = itemNumber;
-
-			if (lara->Control.Weapon.GunType == LaraWeaponType::Flare)
-			{
-				CreateFlare(laraItem, ID_FLARE_ITEM, false);
-				UndrawFlareMeshes(laraItem);
-				lara->Flare.ControlLeft = false;
-				lara->Control.Weapon.RequestGunType = LaraWeaponType::None;
-				lara->Control.Weapon.GunType = LaraWeaponType::None;
-			}
-
-			lara->Control.HandStatus = HandStatus::Busy;
-
-			short angle = short(mGetAngle(minecartItem->Pose.Position.x, minecartItem->Pose.Position.z, laraItem->Pose.Position.x, laraItem->Pose.Position.z) - minecartItem->Pose.Orientation.y);
-			if (angle > -ANGLE(45.0f) && angle < ANGLE(135.0f))
-				laraItem->Animation.AnimNumber = Objects[ID_MINECART_LARA_ANIMS].animIndex + MINECART_ANIM_MOUNT_RIGHT;
-			else
-				laraItem->Animation.AnimNumber = Objects[ID_MINECART_LARA_ANIMS].animIndex + MINECART_ANIM_MOUNT_LEFT;
-
-			laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-			laraItem->Animation.ActiveState = MINECART_STATE_MOUNT;
-			laraItem->Animation.TargetState = MINECART_STATE_MOUNT;
-			laraItem->Pose = minecartItem->Pose;
-
-			auto* minecart = GetMinecartInfo(minecartItem);
-
-			minecart->Velocity = 0;
-			minecart->VerticalVelocity = 0;
-			minecart->Gradient = 0;
-			minecart->Flags = 0;
-		}
-		else
-			ObjectCollision(itemNumber, laraItem, coll);
-	}
-
 	bool MinecartControl(ItemInfo* laraItem)
 	{
 		auto* lara = GetLaraInfo(laraItem);
@@ -971,10 +940,10 @@ namespace TEN::Entities::Vehicles
 		}
 		auto* minecart = GetMinecartInfo(minecartItem);
 
-		DoUserInput(minecartItem, laraItem, minecart);
+		DoUserInput(minecartItem, laraItem);
 
 		if (minecart->Flags & MINECART_FLAG_CONTROL)
-			MoveCart(laraItem, minecartItem);
+			MoveCart(minecartItem, laraItem);
 
 		if (lara->Vehicle != NO_ITEM)
 			laraItem->Pose = minecartItem->Pose;

TombEngine/Objects/TR3/Vehicles/minecart.h

@@ -1,11 +1,15 @@
 #pragma once
+#include "Objects/Utils/VehicleHelpers.h"
 
-struct ItemInfo;
 struct CollisionInfo;
+struct ItemInfo;
 
 namespace TEN::Entities::Vehicles
 {
 	void InitialiseMinecart(short itemNumber);
-	void MinecartCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+
+	void MinecartPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoMinecartMount(ItemInfo* minecartItem, ItemInfo* laraItem, VehicleMountType mountType);
+	
 	bool MinecartControl(ItemInfo* laraItem);
 }

TombEngine/Objects/TR3/Vehicles/minecart_info.h

@@ -4,19 +4,20 @@ namespace TEN::Entities::Vehicles
 {
 	struct MinecartInfo
 	{
-		short TurnRot;
+		int Velocity = 0;
-		int TurnX;
+		int VerticalVelocity = 0;
-		int TurnZ;
-		short TurnLen;
 
-		int Velocity;
+		short TurnRot = 0;
-		int VerticalVelocity;
+		int TurnX = 0;
-		int Gradient;
+		int TurnZ = 0;
-		unsigned int StopDelay;
+		short TurnLen = 0;
 
-		int FloorHeightMiddle;
+		int Gradient = 0;
-		int FloorHeightFront;
+		unsigned int StopDelay = 0;
 
-		char Flags;
+		int FloorHeightMiddle = 0;
+		int FloorHeightFront = 0;
+
+		char Flags = NULL;
 	};
 }

TombEngine/Objects/TR3/Vehicles/quad.h

@@ -1,11 +0,0 @@
-#pragma once
-
-struct ItemInfo;
-struct CollisionInfo;
-
-namespace TEN::Entities::Vehicles
-{
-	void InitialiseQuadBike(short itemNumber);
-	void QuadBikeCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
-	bool QuadBikeControl(ItemInfo* laraItem, CollisionInfo* coll);
-}

TombEngine/Objects/TR3/Vehicles/quad_bike.h

@@ -0,0 +1,15 @@
+#pragma once
+#include "Objects/Utils/VehicleHelpers.h"
+
+struct CollisionInfo;
+struct ItemInfo;
+
+namespace TEN::Entities::Vehicles
+{
+	void InitialiseQuadBike(short itemNumber);
+
+	void QuadBikePlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoQuadBikeMount(ItemInfo* quadBikeItem, ItemInfo* laraItem, VehicleMountType mountType);
+
+	bool QuadBikeControl(ItemInfo* laraItem, CollisionInfo* coll);
+}

TombEngine/Objects/TR3/Vehicles/quad_bike_info.h

@@ -0,0 +1,28 @@
+#pragma once
+
+namespace TEN::Entities::Vehicles
+{
+	struct QuadBikeInfo
+	{
+		short TurnRate = 0;
+		short FrontRot = 0;
+		short RearRot = 0;
+		short MomentumAngle = 0;
+		short ExtraRotation = 0;
+
+		int Velocity = 0;
+		int LeftVerticalVelocity = 0;
+		int RightVerticalVelocity = 0;
+
+		int Revs = 0;
+		int EngineRevs = 0;
+		int Pitch = 0;
+
+		int SmokeStart = 0;
+		bool CanStartDrift = 0;
+		bool DriftStarting = 0;
+		bool NoDismount = 0;
+
+		char Flags = NULL;
+	};
+}

TombEngine/Objects/TR3/Vehicles/quad_info.h

@@ -1,28 +0,0 @@
-#pragma once
-
-namespace TEN::Entities::Vehicles
-{
-	struct QuadInfo
-	{
-		short TurnRate;
-		short FrontRot;
-		short RearRot;
-		short MomentumAngle;
-		short ExtraRotation;
-
-		int Velocity;
-		int LeftVerticalVelocity;
-		int RightVerticalVelocity;
-
-		int Revs;
-		int EngineRevs;
-		int Pitch;
-
-		int SmokeStart;
-		bool CanStartDrift;
-		bool DriftStarting;
-		bool NoDismount;
-
-		char Flags;
-	};
-}

TombEngine/Objects/TR3/Vehicles/rubber_boat.cpp

@@ -10,44 +10,47 @@
 #include "Game/Lara/lara.h"
 #include "Game/Lara/lara_helpers.h"
 #include "Objects/TR3/Vehicles/rubber_boat_info.h"
+#include "Objects/Utils/VehicleHelpers.h"
 #include "Sound/sound.h"
 #include "Specific/input.h"
 #include "Specific/level.h"
 #include "Specific/setup.h"
 #include "Renderer/Renderer11Enums.h"
 
+using std::vector;
 using namespace TEN::Input;
 
 namespace TEN::Entities::Vehicles
 {
-	#define RBOAT_SLIP		10
+	const vector<VehicleMountType> RubberBoatMountTypes =
-	#define RBOAT_SIDE_SLIP	30
+	{
+		VehicleMountType::LevelStart,
+		VehicleMountType::Left,
+		VehicleMountType::Right,
+		VehicleMountType::Jump
+	};
 
-	#define RBOAT_FRONT		750
+	constexpr auto RBOAT_RADIUS = 500;
-	#define RBOAT_SIDE		300
+	constexpr auto RBOAT_FRONT = 750;
-	#define RBOAT_RADIUS	500
+	constexpr auto RBOAT_SIDE = 300;
-	#define RBOAT_SNOW		500
+	constexpr auto RBOAT_SLIP = 10;
+	constexpr auto RBOAT_SIDE_SLIP = 30;
+	constexpr auto RBOAT_MOUNT_DISTANCE = CLICK(2.25f);
 
-	#define RBOAT_MAX_VELOCITY	110
+	constexpr auto RBOAT_VELOCITY_ACCEL = 5;
-	#define RBOAT_SLOW_VELOCITY	(RBOAT_MAX_VELOCITY / 3)
+	constexpr auto RBOAT_VELOCITY_DECEL = 1;
-	#define RBOAT_FAST_VELOCITY	(RBOAT_MAX_VELOCITY + 75)
+	constexpr auto RBOAT_VELOCITY_BRAKE_DECEL = 5;
-	#define RBOAT_MIN_VELOCITY	20
+	constexpr auto RBOAT_REVERSE_VELOCITY_DECEL = 2;
-	#define RBOAT_MAX_BACK		-20
-	#define RBOAT_MAX_KICK		-80
 
-	#define RBOAT_ACCELERATION	5
+	constexpr auto RBOAT_VELOCITY_MIN = 20;
-	#define RBOAT_BRAKE			5
+	constexpr auto RBOAT_SLOW_VELOCITY_MAX = 37;
-	#define RBOAT_SLOW_DOWN		1
+	constexpr auto RBOAT_NORMAL_VELOCITY_MAX = 110;
-	#define RBOAT_UNDO_TURN		ANGLE(0.25f)
+	constexpr auto RBOAT_FAST_VELOCITY_MAX = 185;
-	#define RBOAT_TURN			(ANGLE(0.25f) / 2)
+	constexpr auto RBOAT_REVERSE_VELOCITY_MAX = 20;
 
-	#define RBOAT_IN_SPEED		(IN_SPRINT | IN_CROUCH)
+	#define RBOAT_TURN_RATE_ACCEL (ANGLE(0.25f) / 2)
-	#define RBOAT_IN_SLOW		IN_WALK
+	#define RBOAT_TURN_RATE_DECEL ANGLE(0.25f)
-	#define RBOAT_IN_DISMOUNT	IN_ROLL
+	#define RBOAT_TURN_RATE_MAX	  ANGLE(4.0f)
-	#define RBOAT_IN_FORWARD	IN_ACTION
-	#define RBOAT_IN_BACK		IN_JUMP
-	#define RBOAT_IN_LEFT		IN_LEFT
-	#define RBOAT_IN_RIGHT		IN_RIGHT
 
 	enum RubberBoatState
 	{
@@ -90,28 +93,90 @@ namespace TEN::Entities::Vehicles
 		RBOAT_ANIM_TURN_RIGHT_START = 22
 	};
 
-	enum RubberBoatMountType
+	RubberBoatInfo* GetRubberBoatInfo(ItemInfo* rBoatItem)
 	{
-		RBOAT_MOUNT_NONE = 0,
+		return (RubberBoatInfo*)rBoatItem->Data;
-		RBOAT_MOUNT_LEFT = 1,
+	}
-		RBOAT_MOUNT_RIGHT = 2,
-		RBOAT_MOUNT_JUMP = 3,
-		RBOAT_MOUNT_LEVEL_START = 4
-	};
 
 	void InitialiseRubberBoat(short itemNumber)
 	{
 		auto* rBoatItem = &g_Level.Items[itemNumber];
 		rBoatItem->Data = RubberBoatInfo();
-		auto* rBoat = (RubberBoatInfo*)rBoatItem->Data;
+		auto* rBoat = GetRubberBoatInfo(rBoatItem);
+	}
 
-		rBoat->TurnRate = 0;
+	void RubberBoatPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll)
-		rBoat->LeanAngle = 0;
+	{
-		rBoat->ExtraRotation = 0;
+		auto* rBoatItem = &g_Level.Items[itemNumber];
-		rBoat->LeftVerticalVelocity = 0;
+		auto* lara = GetLaraInfo(laraItem);
-		rBoat->RightVerticalVelocity = 0;
+
-		rBoat->Water = 0;
+		if (laraItem->HitPoints < 0 || lara->Vehicle != NO_ITEM)
-		rBoat->Pitch = 0;
+			return;
+
+		auto mountType = GetVehicleMountType(rBoatItem, laraItem, coll, RubberBoatMountTypes, RBOAT_MOUNT_DISTANCE, LARA_HEIGHT);
+		if (mountType == VehicleMountType::None)
+		{
+			coll->Setup.EnableObjectPush = true;
+			ObjectCollision(itemNumber, laraItem, coll);
+		}
+		else
+		{
+			lara->Vehicle = itemNumber;
+			DoRubberBoatMount(rBoatItem, laraItem, mountType);
+
+			if (g_Level.Items[itemNumber].Status != ITEM_ACTIVE)
+			{
+				AddActiveItem(itemNumber);
+				g_Level.Items[itemNumber].Status = ITEM_ACTIVE;
+			}
+		}
+	}
+
+	void DoRubberBoatMount(ItemInfo* rBoatItem, ItemInfo* laraItem, VehicleMountType mountType)
+	{
+		auto* lara = GetLaraInfo(laraItem);
+
+		switch (mountType)
+		{
+		case VehicleMountType::LevelStart:
+			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_IDLE;
+			laraItem->Animation.ActiveState = RBOAT_STATE_IDLE;
+			laraItem->Animation.TargetState = RBOAT_STATE_IDLE;
+			break;
+
+		case VehicleMountType::Left:
+			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_MOUNT_LEFT;
+			laraItem->Animation.ActiveState = RBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = RBOAT_STATE_MOUNT;
+			break;
+
+		case VehicleMountType::Right:
+			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_MOUNT_RIGHT;
+			laraItem->Animation.ActiveState = RBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = RBOAT_STATE_MOUNT;
+			break;
+
+		default:
+		case VehicleMountType::Jump:
+			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_MOUNT_JUMP;
+			laraItem->Animation.ActiveState = RBOAT_STATE_MOUNT;
+			laraItem->Animation.TargetState = RBOAT_STATE_MOUNT;
+			break;
+		}
+		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
+
+		if (laraItem->RoomNumber != rBoatItem->RoomNumber)
+			ItemNewRoom(lara->ItemNumber, rBoatItem->RoomNumber);
+
+		laraItem->Pose.Position = rBoatItem->Pose.Position;
+		laraItem->Pose.Position.y -= 5;
+		laraItem->Pose.Orientation = Vector3Shrt(0, rBoatItem->Pose.Orientation.y, 0);
+		laraItem->Animation.IsAirborne = false;
+		laraItem->Animation.Velocity = 0;
+		laraItem->Animation.VerticalVelocity = 0;
+		lara->Control.WaterStatus = WaterStatus::Dry;
+
+		AnimateItem(laraItem);
 	}
 
 	void DrawRubberBoat(ItemInfo* rBoatItem)
@@ -126,95 +191,10 @@ namespace TEN::Entities::Vehicles
 		*/
 	}
 
-	RubberBoatMountType GetRubberBoatMountType(ItemInfo* laraItem, short itemNumber, CollisionInfo* coll)
+	static void DoRubberBoatShift(int itemNumber, ItemInfo* laraItem)
 	{
-		auto* lara = GetLaraInfo(laraItem);
-		auto* rBoat = &g_Level.Items[itemNumber];
-
-		RubberBoatMountType mountType = RBOAT_MOUNT_NONE;
-
-		if (!(TrInput & IN_ACTION) ||
-			lara->Control.HandStatus != HandStatus::Free ||
-			laraItem->Animation.Airborne ||
-			rBoat->Animation.Velocity)
-		{
-			return mountType;
-		}
-
-		short x = laraItem->Pose.Position.x - rBoat->Pose.Position.x;
-		short z = laraItem->Pose.Position.z - rBoat->Pose.Position.z;
-
-		int distance = z * phd_cos(-rBoat->Pose.Orientation.y) - x * phd_sin(-rBoat->Pose.Orientation.y);
-		if (distance > CLICK(2))
-			return mountType;
-
-		short deltaAngle = rBoat->Pose.Orientation.y - laraItem->Pose.Orientation.y;
-		if (lara->Control.WaterStatus == WaterStatus::TreadWater || lara->Control.WaterStatus == WaterStatus::Wade)
-		{
-			if (deltaAngle > ANGLE(45.0f) && deltaAngle < ANGLE(135.0f))
-				mountType = RBOAT_MOUNT_LEFT;
-			if (deltaAngle < -ANGLE(135.0f) && deltaAngle > -ANGLE(45.0f))
-				mountType = RBOAT_MOUNT_RIGHT;
-		}
-		else if (lara->Control.WaterStatus == WaterStatus::Dry)
-		{
-			if (laraItem->Animation.VerticalVelocity > 0)
-			{
-				if ((laraItem->Pose.Position.y + CLICK(2)) > rBoat->Pose.Position.y)
-					mountType = RBOAT_MOUNT_JUMP;
-			}
-			else if (laraItem->Animation.VerticalVelocity == 0)
-			{
-				if (deltaAngle > -ANGLE(135.0f) && deltaAngle < ANGLE(135.0f))
-				{
-					if (laraItem->Pose.Position == rBoat->Pose.Position)
-						mountType = RBOAT_MOUNT_LEVEL_START;
-					else
-						mountType = RBOAT_MOUNT_JUMP;
-				}
-			}
-		}
-
-		if (!mountType)
-			return RBOAT_MOUNT_NONE;
-
-		if (!TestBoundsCollide(rBoat, laraItem, coll->Setup.Radius))
-			return RBOAT_MOUNT_NONE;
-
-		if (!TestCollision(rBoat, laraItem))
-			return RBOAT_MOUNT_NONE;
-
-		return mountType;
-	}
-
-	int TestWaterHeight(ItemInfo* rBoatItem, int zOffset, int xOffset, Vector3Int* pos)
-	{
-		float sinX = phd_sin(rBoatItem->Pose.Orientation.x);
-		float sinY = phd_sin(rBoatItem->Pose.Orientation.y);
-		float cosY = phd_cos(rBoatItem->Pose.Orientation.y);
-		float sinZ = phd_sin(rBoatItem->Pose.Orientation.z);
-
-		pos->x = rBoatItem->Pose.Position.x + (zOffset * sinY) + (xOffset * cosY);
-		pos->y = rBoatItem->Pose.Position.y - (zOffset * sinX) + (xOffset * sinZ);
-		pos->z = rBoatItem->Pose.Position.z + (zOffset * cosY) - (xOffset * sinY);
-
-		auto probe = GetCollision(pos->x, pos->y, pos->z, rBoatItem->RoomNumber);
-		auto height = GetWaterHeight(pos->x, pos->y, pos->z, probe.RoomNumber);
-
-		if (height == NO_HEIGHT)
-		{
-			height = probe.Position.Floor;
-			if (height == NO_HEIGHT)
-				return height;
-		}
-
-		return (height - 5);
-	}
-
-	static void DoRubberBoatShift(ItemInfo* laraItem, int itemNumber)
-	{
-		auto* lara = GetLaraInfo(laraItem);
 		auto* boatItem = &g_Level.Items[itemNumber];
+		auto* lara = GetLaraInfo(laraItem);
 
 		int itemNumber2 = g_Level.Rooms[boatItem->RoomNumber].itemNumber;
 		while (itemNumber2 != NO_ITEM)
@@ -368,37 +348,26 @@ namespace TEN::Entities::Vehicles
 		return 0;
 	}
 
-	static int RubberBoatDynamics(ItemInfo* laraItem, short itemNumber)
+	static int RubberBoatDynamics(short itemNumber, ItemInfo* laraItem)
 	{
-		auto* lara = GetLaraInfo(laraItem);
 		auto* rBoatItem = &g_Level.Items[itemNumber];
-		auto* rBoat = (RubberBoatInfo*)rBoatItem->Data;
+		auto* rBoat = GetRubberBoatInfo(rBoatItem);
+		auto* lara = GetLaraInfo(laraItem);
 
 		rBoatItem->Pose.Orientation.z -= rBoat->LeanAngle;
 
 		Vector3Int frontLeftOld, frontRightOld, backLeftOld, backRightOld, frontOld;
-		int heightFrontLeftOld = TestWaterHeight(rBoatItem, RBOAT_FRONT, -RBOAT_SIDE, &frontLeftOld);
+		int heightFrontLeftOld = GetVehicleWaterHeight(rBoatItem, RBOAT_FRONT, -RBOAT_SIDE, true, &frontLeftOld);
-		int heightFrontRightOld = TestWaterHeight(rBoatItem, RBOAT_FRONT, RBOAT_SIDE, &frontRightOld);
+		int heightFrontRightOld = GetVehicleWaterHeight(rBoatItem, RBOAT_FRONT, RBOAT_SIDE, true, &frontRightOld);
-		int heightBackLeftOld = TestWaterHeight(rBoatItem, -RBOAT_FRONT, -RBOAT_SIDE, &backLeftOld);
+		int heightBackLeftOld = GetVehicleWaterHeight(rBoatItem, -RBOAT_FRONT, -RBOAT_SIDE, true, &backLeftOld);
-		int heightBackRightOld = TestWaterHeight(rBoatItem, -RBOAT_FRONT, RBOAT_SIDE, &backRightOld);
+		int heightBackRightOld = GetVehicleWaterHeight(rBoatItem, -RBOAT_FRONT, RBOAT_SIDE, true, &backRightOld);
-		int heightFrontOld = TestWaterHeight(rBoatItem, 1000, 0, &frontOld);
+		int heightFrontOld = GetVehicleWaterHeight(rBoatItem, 1000, 0, true, &frontOld);
 	
 		Vector3Int old;
 		old.x = rBoatItem->Pose.Position.x;
 		old.y = rBoatItem->Pose.Position.y;
 		old.z = rBoatItem->Pose.Position.z;
 
-		if (backLeftOld.y > heightBackLeftOld)
-			backLeftOld.y = heightBackLeftOld;
-		if (backRightOld.y > heightBackRightOld)
-			backRightOld.y = heightBackRightOld;
-		if (frontLeftOld.y > heightFrontLeftOld)
-			frontLeftOld.y = heightFrontLeftOld;
-		if (frontRightOld.y > heightFrontRightOld)
-			frontRightOld.y = heightFrontRightOld;
-		if (frontOld.y > heightFrontOld)
-			frontOld.y = heightFrontOld;
-
 		rBoatItem->Pose.Orientation.y += rBoat->TurnRate + rBoat->ExtraRotation;
 		rBoat->LeanAngle = rBoat->TurnRate * 6;
 
@@ -427,30 +396,30 @@ namespace TEN::Entities::Vehicles
 		moved.x = rBoatItem->Pose.Position.x;
 		moved.z = rBoatItem->Pose.Position.z;
 
-		DoRubberBoatShift(laraItem, itemNumber);
+		DoRubberBoatShift(itemNumber, laraItem);
 
 		Vector3Int frontLeft, frontRight, backRight, backLeft, front;
 		short rotation = 0;
 
-		int heightBackLeft = TestWaterHeight(rBoatItem, -RBOAT_FRONT, -RBOAT_SIDE, &backLeft);
+		int heightBackLeft = GetVehicleWaterHeight(rBoatItem, -RBOAT_FRONT, -RBOAT_SIDE, false, &backLeft);
 		if (heightBackLeft < (backLeftOld.y - CLICK(0.5f)))
 			rotation = DoRubberBoatShift2(rBoatItem, &backLeft, &backLeftOld);
 
-		int heightBackRight = TestWaterHeight(rBoatItem, -RBOAT_FRONT, RBOAT_SIDE, &backRight);
+		int heightBackRight = GetVehicleWaterHeight(rBoatItem, -RBOAT_FRONT, RBOAT_SIDE, false, &backRight);
 		if (heightBackRight < (backRightOld.y - CLICK(0.5f)))
 			rotation += DoRubberBoatShift2(rBoatItem, &backRight, &backRightOld);
 
-		int heightFrontLeft = TestWaterHeight(rBoatItem, RBOAT_FRONT, -RBOAT_SIDE, &frontLeft);
+		int heightFrontLeft = GetVehicleWaterHeight(rBoatItem, RBOAT_FRONT, -RBOAT_SIDE, false, &frontLeft);
 		if (heightFrontLeft < (frontLeftOld.y - CLICK(0.5f)))
 			rotation += DoRubberBoatShift2(rBoatItem, &frontLeft, &frontLeftOld);
 
-		int heightFrontRight = TestWaterHeight(rBoatItem, RBOAT_FRONT, RBOAT_SIDE, &frontRight);
+		int heightFrontRight = GetVehicleWaterHeight(rBoatItem, RBOAT_FRONT, RBOAT_SIDE, false, &frontRight);
 		if (heightFrontRight < (frontRightOld.y - CLICK(0.5f)))
 			rotation += DoRubberBoatShift2(rBoatItem, &frontRight, &frontRightOld);
 
 		if (!slip)
 		{
-			int heightFront = TestWaterHeight(rBoatItem, 1000, 0, &front);
+			int heightFront = GetVehicleWaterHeight(rBoatItem, 1000, 0, false, &front);
 			if (heightFront < (frontOld.y - CLICK(0.5f)))
 				DoRubberBoatShift2(rBoatItem, &front, &frontOld);
 		}
@@ -475,7 +444,7 @@ namespace TEN::Entities::Vehicles
 			int newVelocity = (rBoatItem->Pose.Position.z - old.z) * phd_cos(rBoatItem->Pose.Orientation.y) + (rBoatItem->Pose.Position.x - old.x) * phd_sin(rBoatItem->Pose.Orientation.y);
 
 			if (lara->Vehicle == itemNumber &&
-				rBoatItem->Animation.Velocity > (RBOAT_MAX_VELOCITY + RBOAT_ACCELERATION) &&
+				rBoatItem->Animation.Velocity > (RBOAT_NORMAL_VELOCITY_MAX + RBOAT_VELOCITY_ACCEL) &&
 				newVelocity < rBoatItem->Animation.Velocity - 10)
 			{
 				DoDamage(laraItem, rBoatItem->Animation.Velocity);
@@ -486,7 +455,7 @@ namespace TEN::Entities::Vehicles
 
 			if (slip)
 			{
-				if (rBoatItem->Animation.Velocity <= RBOAT_MAX_VELOCITY + 10)
+				if (rBoatItem->Animation.Velocity <= RBOAT_NORMAL_VELOCITY_MAX + 10)
 					rBoatItem->Animation.Velocity = newVelocity;
 			}
 			else
@@ -497,8 +466,8 @@ namespace TEN::Entities::Vehicles
 					rBoatItem->Animation.Velocity = newVelocity;
 			}
 
-			if (rBoatItem->Animation.Velocity < RBOAT_MAX_BACK)
+			if (rBoatItem->Animation.Velocity < -RBOAT_REVERSE_VELOCITY_MAX)
-				rBoatItem->Animation.Velocity = RBOAT_MAX_BACK;
+				rBoatItem->Animation.Velocity = -RBOAT_REVERSE_VELOCITY_MAX;
 		}
 
 		return collide;
@@ -530,90 +499,90 @@ namespace TEN::Entities::Vehicles
 		return verticalVelocity;
 	}
 
-	bool RubberBoatUserControl(ItemInfo* laraItem, ItemInfo* rBoatItem)
+	bool RubberBoatUserControl(ItemInfo* rBoatItem, ItemInfo* laraItem)
 	{
-		auto* rBoat = (RubberBoatInfo*)rBoatItem->Data;
+		auto* rBoat = GetRubberBoatInfo(rBoatItem);
 
 		bool noTurn = true;
 
 		if (rBoatItem->Pose.Position.y >= (rBoat->Water - 128) && 
 			rBoat->Water != NO_HEIGHT)
 		{
-			if (!(TrInput & RBOAT_IN_DISMOUNT) && !(TrInput & IN_LOOK) || rBoatItem->Animation.Velocity)
+			if (!(TrInput & VEHICLE_IN_DISMOUNT) && !(TrInput & IN_LOOK) || rBoatItem->Animation.Velocity)
 			{
-				if ((TrInput & RBOAT_IN_LEFT && !(TrInput & RBOAT_IN_BACK)) ||
+				if ((TrInput & VEHICLE_IN_LEFT && !(TrInput & VEHICLE_IN_REVERSE)) ||
-					(TrInput & RBOAT_IN_RIGHT && TrInput & RBOAT_IN_BACK))
+					(TrInput & VEHICLE_IN_RIGHT && TrInput & VEHICLE_IN_REVERSE))
 				{
 					if (rBoat->TurnRate > 0)
-						rBoat->TurnRate -= ANGLE(0.25f);
+						rBoat->TurnRate -= RBOAT_TURN_RATE_DECEL;
 					else
 					{
-						rBoat->TurnRate -= ANGLE(0.25f) / 2;
+						rBoat->TurnRate -= RBOAT_TURN_RATE_ACCEL;
-						if (rBoat->TurnRate < -ANGLE(4.0f))
+						if (rBoat->TurnRate < -RBOAT_TURN_RATE_MAX)
-							rBoat->TurnRate = -ANGLE(4.0f);
+							rBoat->TurnRate = -RBOAT_TURN_RATE_MAX;
 					}
 
 					noTurn = false;
 				}
-				else if ((TrInput & RBOAT_IN_RIGHT && !(TrInput & RBOAT_IN_BACK)) ||
+				else if ((TrInput & VEHICLE_IN_RIGHT && !(TrInput & VEHICLE_IN_REVERSE)) ||
-					(TrInput & RBOAT_IN_LEFT && TrInput & RBOAT_IN_BACK))
+					(TrInput & VEHICLE_IN_LEFT && TrInput & VEHICLE_IN_REVERSE))
 				{
 					if (rBoat->TurnRate < 0)
-						rBoat->TurnRate += ANGLE(0.25f);
+						rBoat->TurnRate += RBOAT_TURN_RATE_DECEL;
 					else
 					{
-						rBoat->TurnRate += ANGLE(0.25f) / 2;
+						rBoat->TurnRate += RBOAT_TURN_RATE_ACCEL;
-						if (rBoat->TurnRate > ANGLE(4.0f))
+						if (rBoat->TurnRate > RBOAT_TURN_RATE_MAX)
-							rBoat->TurnRate = ANGLE(4.0f);
+							rBoat->TurnRate = RBOAT_TURN_RATE_MAX;
 					}
 
 					noTurn = false;
 				}
 
-				if (TrInput & RBOAT_IN_BACK)
+				if (TrInput & VEHICLE_IN_REVERSE)
 				{
 					if (rBoatItem->Animation.Velocity > 0)
-						rBoatItem->Animation.Velocity -= 5;
+						rBoatItem->Animation.Velocity -= RBOAT_VELOCITY_BRAKE_DECEL;
-					else if (rBoatItem->Animation.Velocity > -20)
+					else if (rBoatItem->Animation.Velocity > -RBOAT_REVERSE_VELOCITY_MAX)
-						rBoatItem->Animation.Velocity += -2;
+						rBoatItem->Animation.Velocity -= RBOAT_REVERSE_VELOCITY_DECEL;
 				}
-				else if (TrInput & RBOAT_IN_FORWARD)
+				else if (TrInput & VEHICLE_IN_ACCELERATE)
 				{
 					int maxVelocity;
-					if (TrInput & RBOAT_IN_SPEED)
+					if (TrInput & VEHICLE_IN_SPEED)
-						maxVelocity = 185;
+						maxVelocity = RBOAT_FAST_VELOCITY_MAX;
 					else
-						maxVelocity = (TrInput & RBOAT_IN_SLOW) ? 37 : 110;
+						maxVelocity = (TrInput & VEHICLE_IN_SLOW) ? RBOAT_SLOW_VELOCITY_MAX : RBOAT_NORMAL_VELOCITY_MAX;
 
 					if (rBoatItem->Animation.Velocity < maxVelocity)
-						rBoatItem->Animation.Velocity += 3 + (5 * rBoatItem->Animation.Velocity) / (maxVelocity * 2);
+						rBoatItem->Animation.Velocity += (RBOAT_VELOCITY_ACCEL / 2 + 1) + (RBOAT_VELOCITY_ACCEL * rBoatItem->Animation.Velocity) / (maxVelocity * 2);
-					else if (rBoatItem->Animation.Velocity > (maxVelocity + 1))
+					else if (rBoatItem->Animation.Velocity > (maxVelocity + RBOAT_VELOCITY_DECEL))
-						rBoatItem->Animation.Velocity -= 1;
+						rBoatItem->Animation.Velocity -= RBOAT_VELOCITY_DECEL;
 
 				}
-				else if (TrInput & (RBOAT_IN_LEFT | RBOAT_IN_RIGHT) &&
+				else if (TrInput & (VEHICLE_IN_LEFT | VEHICLE_IN_RIGHT) &&
 					rBoatItem->Animation.Velocity >= 0 &&
-					rBoatItem->Animation.Velocity < 20)
+					rBoatItem->Animation.Velocity < RBOAT_VELOCITY_MIN)
 				{
-					if (!(TrInput & RBOAT_IN_DISMOUNT) && rBoatItem->Animation.Velocity == 0)
+					if (!(TrInput & VEHICLE_IN_DISMOUNT) && rBoatItem->Animation.Velocity == 0)
-						rBoatItem->Animation.Velocity = 20;
+						rBoatItem->Animation.Velocity = RBOAT_VELOCITY_MIN;
 				}
-				else if (rBoatItem->Animation.Velocity > 1)
+				else if (rBoatItem->Animation.Velocity > RBOAT_VELOCITY_DECEL)
-					rBoatItem->Animation.Velocity -= 1;
+					rBoatItem->Animation.Velocity -= RBOAT_VELOCITY_DECEL;
 				else
 					rBoatItem->Animation.Velocity = 0;
 			}
 			else
 			{
-				if (TrInput & (RBOAT_IN_LEFT | RBOAT_IN_RIGHT) &&
+				if (TrInput & (VEHICLE_IN_LEFT | VEHICLE_IN_RIGHT) &&
 					rBoatItem->Animation.Velocity >= 0 &&
-					rBoatItem->Animation.Velocity < 20)
+					rBoatItem->Animation.Velocity < RBOAT_VELOCITY_MIN)
 				{
-					if (!(TrInput & RBOAT_IN_DISMOUNT) && rBoatItem->Animation.Velocity == 0)
+					if (!(TrInput & VEHICLE_IN_DISMOUNT) && rBoatItem->Animation.Velocity == 0)
-						rBoatItem->Animation.Velocity = 20;
+						rBoatItem->Animation.Velocity = RBOAT_VELOCITY_MIN;
 				}
-				else if (rBoatItem->Animation.Velocity > 1)
+				else if (rBoatItem->Animation.Velocity > RBOAT_VELOCITY_DECEL)
-					rBoatItem->Animation.Velocity -= 1;
+					rBoatItem->Animation.Velocity -= RBOAT_VELOCITY_DECEL;
 				else
 					rBoatItem->Animation.Velocity = 0;
 
@@ -625,59 +594,6 @@ namespace TEN::Entities::Vehicles
 		return noTurn;
 	}
 
-	void RubberBoatCollision(short itemNum, ItemInfo* laraItem, CollisionInfo* coll)
-	{
-		auto* lara = GetLaraInfo(laraItem);
-
-		if (laraItem->HitPoints <= 0 || lara->Vehicle != NO_ITEM)
-			return;
-
-		auto* item = &g_Level.Items[itemNum];
-		int mountType = GetRubberBoatMountType(laraItem, itemNum, coll);
-
-		if (!mountType)
-		{
-			coll->Setup.EnableObjectPush = true;
-			ObjectCollision(itemNum, laraItem, coll);
-			return;
-		}
-
-		lara->Vehicle = itemNum;
-	
-		if (mountType == 1)
-			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_MOUNT_RIGHT;
-		else if (mountType == 2)
-			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_MOUNT_LEFT;
-		else if (mountType == 3)
-			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_MOUNT_JUMP;
-		else
-			laraItem->Animation.AnimNumber = Objects[ID_RUBBER_BOAT_LARA_ANIMS].animIndex + RBOAT_ANIM_IDLE;
-
-		laraItem->Pose.Position.x = item->Pose.Position.x;
-		laraItem->Pose.Position.y = item->Pose.Position.y - 5;
-		laraItem->Pose.Position.z = item->Pose.Position.z;
-		laraItem->Pose.Orientation.x = 0;
-		laraItem->Pose.Orientation.y = item->Pose.Orientation.y;
-		laraItem->Pose.Orientation.z = 0;
-		laraItem->Animation.Airborne = false;
-		laraItem->Animation.Velocity = 0;
-		laraItem->Animation.VerticalVelocity = 0;
-		laraItem->Animation.ActiveState = 0;
-		laraItem->Animation.FrameNumber = g_Level.Anims[laraItem->Animation.AnimNumber].frameBase;
-		lara->Control.WaterStatus = WaterStatus::Dry;
-
-		if (laraItem->RoomNumber != item->RoomNumber)
-			ItemNewRoom(lara->ItemNumber, item->RoomNumber);
-
-		AnimateItem(laraItem);
-
-		if (g_Level.Items[itemNum].Status != ITEM_ACTIVE)
-		{
-			AddActiveItem(itemNum);
-			g_Level.Items[itemNum].Status = ITEM_ACTIVE;
-		}
-	}
-
 	static bool TestRubberBoatDismount(ItemInfo* laraItem, int direction)
 	{
 		auto* lara = GetLaraInfo(laraItem);
@@ -710,9 +626,9 @@ namespace TEN::Entities::Vehicles
 		return true;
 	}
 
-	void RubberBoatAnimation(ItemInfo* laraItem, ItemInfo* rBoatItem, int collide)
+	void RubberBoatAnimation(ItemInfo* rBoatItem, ItemInfo* laraItem, int collide)
 	{
-		auto* rBoat = (RubberBoatInfo*)rBoatItem->Data;
+		auto* rBoat = GetRubberBoatInfo(rBoatItem);
 
 		if (laraItem->HitPoints <= 0)
 		{
@@ -750,7 +666,7 @@ namespace TEN::Entities::Vehicles
 			switch (laraItem->Animation.ActiveState)
 			{
 			case RBOAT_STATE_IDLE:
-				if (TrInput & RBOAT_IN_DISMOUNT)
+				if (TrInput & VEHICLE_IN_DISMOUNT)
 				{
 					if (rBoatItem->Animation.Velocity == 0)
 					{
@@ -770,9 +686,9 @@ namespace TEN::Entities::Vehicles
 				if (rBoatItem->Animation.Velocity <= 0)
 					laraItem->Animation.TargetState = RBOAT_STATE_IDLE;
 
-				if (TrInput & RBOAT_IN_RIGHT)
+				if (TrInput & VEHICLE_IN_RIGHT)
 					laraItem->Animation.TargetState = RBOAT_STATE_TURN_RIGHT;
-				else if (TrInput & RBOAT_IN_LEFT)
+				else if (TrInput & VEHICLE_IN_LEFT)
 					laraItem->Animation.TargetState = RBOAT_STATE_TURN_LEFT;
 			
 				break;
@@ -784,7 +700,7 @@ namespace TEN::Entities::Vehicles
 			case RBOAT_STATE_TURN_RIGHT:
 				if (rBoatItem->Animation.Velocity <= 0)
 					laraItem->Animation.TargetState = RBOAT_STATE_IDLE;
-				else if (!(TrInput & RBOAT_IN_RIGHT))
+				else if (!(TrInput & VEHICLE_IN_RIGHT))
 					laraItem->Animation.TargetState = RBOAT_STATE_MOVING;
 
 				break;
@@ -792,7 +708,7 @@ namespace TEN::Entities::Vehicles
 			case RBOAT_STATE_TURN_LEFT:
 				if (rBoatItem->Animation.Velocity <= 0)
 					laraItem->Animation.TargetState = RBOAT_STATE_IDLE;
-				else if (!(TrInput & RBOAT_IN_LEFT))
+				else if (!(TrInput & VEHICLE_IN_LEFT))
 					laraItem->Animation.TargetState = RBOAT_STATE_MOVING;
 
 				break;
@@ -863,7 +779,7 @@ namespace TEN::Entities::Vehicles
 		}
 	}
 
-	void DoRubberBoatDismount(ItemInfo* laraItem, ItemInfo* rBoatItem)
+	void DoRubberBoatDismount(ItemInfo* rBoatItem, ItemInfo* laraItem)
 	{
 		auto* lara = GetLaraInfo(laraItem);
 
@@ -881,7 +797,7 @@ namespace TEN::Entities::Vehicles
 			laraItem->Animation.TargetState = LS_JUMP_FORWARD;
 			laraItem->Pose.Orientation.x = 0;
 			laraItem->Pose.Orientation.z = 0;
-			laraItem->Animation.Airborne = true;
+			laraItem->Animation.IsAirborne = true;
 			laraItem->Animation.Velocity = 20;
 			laraItem->Animation.VerticalVelocity = -40;
 			lara->Vehicle = NO_ITEM;
@@ -908,10 +824,10 @@ namespace TEN::Entities::Vehicles
 
 	void RubberBoatControl(short itemNumber)
 	{
+		auto* rBoatItem = &g_Level.Items[itemNumber];
+		auto* rBoat = GetRubberBoatInfo(rBoatItem);
 		auto* laraItem = LaraItem;
 		auto* lara = GetLaraInfo(laraItem);
-		auto* rBoatItem = &g_Level.Items[itemNumber];
-		auto* rBoat = (RubberBoatInfo*)rBoatItem->Data;
 
 		bool noTurn = true;
 		bool drive = false;
@@ -919,10 +835,9 @@ namespace TEN::Entities::Vehicles
 		int pitch, height, ofs, nowake;
 
 		Vector3Int frontLeft, frontRight;
-		int collide = RubberBoatDynamics(laraItem, itemNumber);
+		int collide = RubberBoatDynamics(itemNumber, laraItem);
-		int heightFrontLeft = TestWaterHeight(rBoatItem, RBOAT_FRONT, -RBOAT_SIDE, &frontLeft);
+		int heightFrontLeft = GetVehicleWaterHeight(rBoatItem, RBOAT_FRONT, -RBOAT_SIDE, true, &frontLeft);
-		int heightFrontRight = TestWaterHeight(rBoatItem, RBOAT_FRONT, RBOAT_SIDE, &frontRight);
+		int heightFrontRight = GetVehicleWaterHeight(rBoatItem, RBOAT_FRONT, RBOAT_SIDE, true, &frontRight);
-
 
 		if (lara->Vehicle == itemNumber)
 		{
@@ -945,24 +860,24 @@ namespace TEN::Entities::Vehicles
 
 			default:
 				drive = true;
-				noTurn = RubberBoatUserControl(laraItem, rBoatItem);
+				noTurn = RubberBoatUserControl(rBoatItem, laraItem);
 				break;
 			}
 		}
 		else
 		{
-			if (rBoatItem->Animation.Velocity > RBOAT_SLOW_DOWN)
+			if (rBoatItem->Animation.Velocity > RBOAT_VELOCITY_DECEL)
-				rBoatItem->Animation.Velocity -= RBOAT_SLOW_DOWN;
+				rBoatItem->Animation.Velocity -= RBOAT_VELOCITY_DECEL;
 			else
 				rBoatItem->Animation.Velocity = 0;
 		}
 
 		if (noTurn)
 		{
-			if (rBoat->TurnRate < -RBOAT_UNDO_TURN)
+			if (rBoat->TurnRate < -RBOAT_TURN_RATE_DECEL)
-				rBoat->TurnRate += RBOAT_UNDO_TURN;
+				rBoat->TurnRate += RBOAT_TURN_RATE_DECEL;
-			else if (rBoat->TurnRate > RBOAT_UNDO_TURN)
+			else if (rBoat->TurnRate > RBOAT_TURN_RATE_DECEL)
-				rBoat->TurnRate -= RBOAT_UNDO_TURN;
+				rBoat->TurnRate -= RBOAT_TURN_RATE_DECEL;
 			else
 				rBoat->TurnRate = 0;
 		}
@@ -999,7 +914,7 @@ namespace TEN::Entities::Vehicles
 
 		if (lara->Vehicle == itemNumber)
 		{
-			RubberBoatAnimation(laraItem, rBoatItem, collide);
+			RubberBoatAnimation(rBoatItem, laraItem, collide);
 
 			if (probe.RoomNumber != rBoatItem->RoomNumber)
 			{
@@ -1033,14 +948,14 @@ namespace TEN::Entities::Vehicles
 		rBoat->Pitch += ((pitch - rBoat->Pitch) / 4);
 
 		if (rBoatItem->Animation.Velocity > 8)
-			SoundEffect(SFX_TR3_VEHICLE_RUBBERBOAT_MOVING, &rBoatItem->Pose, SoundEnvironment::Land, 0.5f + (float)abs(rBoat->Pitch) / (float)RBOAT_MAX_VELOCITY);
+			SoundEffect(SFX_TR3_VEHICLE_RUBBERBOAT_MOVING, &rBoatItem->Pose, SoundEnvironment::Land, 0.5f + (float)abs(rBoat->Pitch) / (float)RBOAT_NORMAL_VELOCITY_MAX);
 		else if (drive)
-			SoundEffect(SFX_TR3_VEHICLE_RUBBERBOAT_IDLE, &rBoatItem->Pose, SoundEnvironment::Land, 0.5f + (float)abs(rBoat->Pitch) / (float)RBOAT_MAX_VELOCITY);
+			SoundEffect(SFX_TR3_VEHICLE_RUBBERBOAT_IDLE, &rBoatItem->Pose, SoundEnvironment::Land, 0.5f + (float)abs(rBoat->Pitch) / (float)RBOAT_NORMAL_VELOCITY_MAX);
 
 		if (lara->Vehicle != itemNumber)
 			return;
 
-		DoRubberBoatDismount(laraItem, rBoatItem);
+		DoRubberBoatDismount(rBoatItem, laraItem);
 
 		short probedRoomNumber = GetCollision(rBoatItem->Pose.Position.x, rBoatItem->Pose.Position.y + 128, rBoatItem->Pose.Position.z, rBoatItem->RoomNumber).RoomNumber;
 		height = GetWaterHeight(rBoatItem->Pose.Position.x, rBoatItem->Pose.Position.y + 128, rBoatItem->Pose.Position.z, probedRoomNumber);

TombEngine/Objects/TR3/Vehicles/rubber_boat.h

@@ -1,12 +1,16 @@
 #pragma once
+#include "Objects/Utils/VehicleHelpers.h"
 
-#include "Game/items.h"
+struct CollisionInfo;
-#include "Game/collision/collide_room.h"
+struct ItemInfo;
 
 namespace TEN::Entities::Vehicles
 {
 	void InitialiseRubberBoat(short itemNumber);
-	void RubberBoatCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+
+	void RubberBoatPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoRubberBoatMount(ItemInfo* rBoatItem, ItemInfo* laraItem, VehicleMountType mountType);
+
 	void RubberBoatControl(short itemNumber);
 	void DrawRubberBoat(ItemInfo* rBoatItem);
 }

TombEngine/Objects/TR3/Vehicles/rubber_boat_info.h

@@ -4,15 +4,15 @@ namespace TEN::Entities::Vehicles
 {
 	struct RubberBoatInfo
 	{
-		int TurnRate;
+		int TurnRate = 0;
-		short LeanAngle;
+		short LeanAngle = 0;
-		short PropellerRotation;
+		short PropellerRotation = 0;
-		short ExtraRotation;
+		short ExtraRotation = 0;
 
-		int LeftVerticalVelocity;
+		int LeftVerticalVelocity = 0;
-		int RightVerticalVelocity;
+		int RightVerticalVelocity = 0;
 
-		int Water;
+		int Water = 0;
-		int Pitch;
+		int Pitch = 0;
 	};
 }

TombEngine/Objects/TR3/Vehicles/upv.h

@@ -1,11 +1,16 @@
 #pragma once
-#include "Game/items.h"
+#include "Objects/Utils/VehicleHelpers.h"
-#include "Game/collision/collide_room.h"
+
+struct CollisionInfo;
+struct ItemInfo;
 
 namespace TEN::Entities::Vehicles
 {
 	void UPVInitialise(short itemNumber);
-	void UPVCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+
+	void UPVPlayerCollision(short itemNumber, ItemInfo* laraItem, CollisionInfo* coll);
+	void DoUPVMount(ItemInfo* UPVItem, ItemInfo* laraItem, VehicleMountType mountType);
+
 	void UPVEffects(short itemNumber);
 	bool UPVControl(ItemInfo* laraItem, CollisionInfo* coll);
 }

TombEngine/Objects/TR3/Vehicles/upv_info.h

@@ -4,13 +4,16 @@ namespace TEN::Entities::Vehicles
 {
 	struct UPVInfo
 	{
-		int Velocity;
+		Vector3Shrt TurnRate;
-		int Rot;
+		short TurbineRotation = 0;
-		int XRot;
+		short LeftRudderRotation = 0;
-		short FanRot;
+		short RightRudderRotation = 0;
-		unsigned int HarpoonTimer;
-		bool HarpoonLeft;
 
-		char Flags;
+		int Velocity = 0;
+
+		unsigned int HarpoonTimer = 0;
+		bool HarpoonLeft = false;
+
+		char Flags = NULL;
 	};
 }

TombEngine/Objects/TR3/tr3_objects.cpp

@@ -23,7 +23,7 @@
 #include "Objects/TR3/Vehicles/big_gun.h"
 #include "Objects/TR3/Vehicles/kayak.h"
 #include "Objects/TR3/Vehicles/minecart.h"
-#include "Objects/TR3/Vehicles/quad.h"
+#include "Objects/TR3/Vehicles/quad_bike.h"
 #include "Objects/TR3/Vehicles/upv.h"
 #include "Objects/TR3/Vehicles/rubber_boat.h"
 /// necessary import
@@ -388,7 +388,7 @@ static void StartVehicles(ObjectInfo* obj)
 	if (obj->loaded)
 	{
 		obj->initialise = InitialiseQuadBike;
-		obj->collision = QuadBikeCollision;
+		obj->collision = QuadBikePlayerCollision;
 		obj->hitEffect = HIT_RICOCHET;
 		obj->savePosition = true;
 		obj->saveAnim = true;
@@ -401,7 +401,7 @@ static void StartVehicles(ObjectInfo* obj)
 	{
 		obj->initialise = InitialiseRubberBoat;
 		obj->control = RubberBoatControl;
-		obj->collision = RubberBoatCollision;
+		obj->collision = RubberBoatPlayerCollision;
 		obj->drawRoutine = DrawRubberBoat;
 		obj->hitEffect = HIT_RICOCHET;
 		obj->savePosition = true;
@@ -415,7 +415,7 @@ static void StartVehicles(ObjectInfo* obj)
 	if (obj->loaded)
 	{
 		obj->initialise = InitialiseKayak;
-		obj->collision = KayakCollision;
+		obj->collision = KayakPlayerCollision;
 		//obj->drawRoutine = KayakDraw;
 		obj->hitEffect = HIT_RICOCHET;
 		obj->saveAnim = true;
@@ -429,7 +429,7 @@ static void StartVehicles(ObjectInfo* obj)
 	if (obj->loaded)
 	{
 		obj->initialise = InitialiseMinecart;
-		obj->collision = MinecartCollision;
+		obj->collision = MinecartPlayerCollision;
 		obj->hitEffect = HIT_RICOCHET;
 		obj->saveAnim = true;
 		obj->saveFlags = true;
@@ -455,7 +455,7 @@ static void StartVehicles(ObjectInfo* obj)
 	{
 		obj->initialise = UPVInitialise;
 		obj->control = UPVEffects;
-		obj->collision = UPVCollision;
+		obj->collision = UPVPlayerCollision;
 	//	obj->drawRoutine = SubDraw;
 		obj->hitEffect = HIT_RICOCHET;
 		obj->saveAnim = true;

TombEngine/Objects/TR4/Entity/tr4_baboon.cpp

@@ -354,7 +354,7 @@ namespace TEN::Entities::TR4
 				}
 				else if (creature->Mood == MoodType::Attack)
 				{
-					if (!(item->AIBits & FOLLOW) || (!item->Animation.Airborne && AI.distance <= pow(BABOON_ROLL_FORWARD_RANGE, 2)))
+					if (!(item->AIBits & FOLLOW) || (!item->Animation.IsAirborne && AI.distance <= pow(BABOON_ROLL_FORWARD_RANGE, 2)))
 					{
 						if (AI.bite && AI.distance < pow(BABOON_ATTACK_RANGE, 2))
 						{
@@ -471,7 +471,7 @@ namespace TEN::Entities::TR4
 					if (AI.ahead && Lara.TargetEntity != item)
 						item->Animation.TargetState = BABOON_STATE_IDLE;
 				}
-				else if (item->AIBits & FOLLOW && (item->Animation.Airborne || AI.distance > pow(BABOON_FOLLOW_RANGE, 2)))
+				else if (item->AIBits & FOLLOW && (item->Animation.IsAirborne || AI.distance > pow(BABOON_FOLLOW_RANGE, 2)))
 					item->Animation.TargetState = BABOON_STATE_IDLE;
 				else if (creature->Mood == MoodType::Attack)
 				{

TombEngine/Objects/TR4/Entity/tr4_baddy.cpp

@@ -437,31 +437,31 @@ namespace TEN::Entities::TR4
 			switch (item->Animation.ActiveState)
 			{
 			case BADDY_STATE_DEATH:
-				item->Animation.Airborne = true;
+				item->Animation.IsAirborne = true;
 				currentCreature->LOT.IsMonkeying = false;
 
 				if (item->Pose.Position.y >= item->Floor)
 				{
 					item->Pose.Position.y = item->Floor;
 					item->Animation.VerticalVelocity = 0;
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 				}
 
 				break;
 
 			case BADDY_STATE_MONKEY_TO_FREEFALL:
 				item->Animation.TargetState = BADDY_STATE_FREEFALL;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				break;
 
 			case BADDY_STATE_FREEFALL:
-				item->Animation.Airborne = true;
+				item->Animation.IsAirborne = true;
 
 				if (item->Pose.Position.y >= item->Floor)
 				{
 					item->Pose.Position.y = item->Floor;
 					item->Animation.VerticalVelocity = 0;
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 					item->Animation.TargetState = BADDY_STATE_FREEFALL_LAND_DEATH;
 				}
 
@@ -1034,7 +1034,7 @@ namespace TEN::Entities::TR4
 					if (item->TouchBits)
 					{
 						SetAnimation(LaraItem, LA_JUMP_UP);
-						LaraItem->Animation.Airborne = true;
+						LaraItem->Animation.IsAirborne = true;
 						LaraItem->Animation.VerticalVelocity = 2;
 						LaraItem->Animation.VerticalVelocity = 1;
 						LaraItem->Pose.Position.y += CLICK(0.75f);

TombEngine/Objects/TR4/Entity/tr4_bat.cpp

@@ -155,7 +155,7 @@ namespace TEN::Entities::TR4
 			if (item->Pose.Position.y >= item->Floor)
 			{
 				item->Animation.TargetState = BAT_STATE_DEATH;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				item->Pose.Position.y = item->Floor;
 			}
 			else
@@ -164,7 +164,7 @@ namespace TEN::Entities::TR4
 				item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 				item->Animation.ActiveState = BAT_STATE_DEATH_FALL;
 				item->Animation.TargetState = BAT_STATE_DEATH_FALL;
-				item->Animation.Airborne = true;
+				item->Animation.IsAirborne = true;
 				item->Animation.Velocity = 0;
 			}
 		}

TombEngine/Objects/TR4/Entity/tr4_big_beetle.cpp

@@ -97,14 +97,14 @@ namespace TEN::Entities::TR4
 						item->Animation.AnimNumber = Objects[item->ObjectNumber].animIndex + BBEETLE_ANIM_DEATH_START;
 						item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 						item->Animation.ActiveState = BBEETLE_STATE_DEATH_START;
-						item->Animation.Airborne = true;
+						item->Animation.IsAirborne = true;
 						item->Animation.Velocity = 0;
 					}
 				}
 				else if (item->Pose.Position.y >= item->Floor)
 				{
 					item->Pose.Position.y = item->Floor;
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 					item->Animation.VerticalVelocity = 0;
 					item->Animation.TargetState = BBEETLE_STATE_DEATH_END;
 				}

TombEngine/Objects/TR4/Entity/tr4_enemy_jeep.cpp

@@ -369,11 +369,11 @@ namespace TEN::Entities::TR4
 				ItemNewRoom(itemNumber, probe.RoomNumber);
 
 			if (item->Pose.Position.y < item->Floor)
-				item->Animation.Airborne = true;
+				item->Animation.IsAirborne = true;
 			else
 			{
 				item->Pose.Position.y = item->Floor;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				item->Animation.VerticalVelocity = 0;
 			}
 

TombEngine/Objects/TR4/Entity/tr4_harpy.cpp

@@ -290,7 +290,7 @@ namespace TEN::Entities::TR4
 						item->Animation.AnimNumber = object->animIndex + 5;
 						item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 						item->Animation.ActiveState = HARPY_STATE_DEATH_START;
-						item->Animation.Airborne = true;
+						item->Animation.IsAirborne = true;
 						item->Animation.Velocity = 0;
 					}
 
@@ -311,7 +311,7 @@ namespace TEN::Entities::TR4
 			{
 				item->Pose.Position.y = item->Floor;
 				item->Animation.TargetState = HARPY_STATE_DEATH_END;
-				item->Animation.Airborne = false;
+				item->Animation.IsAirborne = false;
 				item->Animation.VerticalVelocity = 0;
 			}
 

TombEngine/Objects/TR4/Entity/tr4_sas.cpp

@@ -650,7 +650,7 @@ namespace TEN::Entities::TR4
 		auto* item = &g_Level.Items[itemNumber];
 
 		if ((!(TrInput & IN_ACTION) ||
-			laraItem->Animation.Airborne ||
+			laraItem->Animation.IsAirborne ||
 			laraItem->Animation.ActiveState != LS_IDLE ||
 			laraItem->Animation.AnimNumber != LA_STAND_IDLE ||
 			Lara.Control.HandStatus != HandStatus::Free ||

TombEngine/Objects/TR4/Entity/tr4_setha.cpp

@@ -348,7 +348,7 @@ namespace TEN::Entities::TR4
 			case 14:
 				if (item->Animation.AnimNumber != Objects[item->Animation.AnimNumber].animIndex + 26)
 				{
-					item->Animation.Airborne = false;
+					item->Animation.IsAirborne = false;
 					creature->MaxTurn = 0;
 					creature->Target.y = LaraItem->Pose.Position.y;
 					creature->LOT.Fly = 16;
@@ -374,7 +374,7 @@ namespace TEN::Entities::TR4
 				}
 				else
 				{
-					item->Animation.Airborne = true;
+					item->Animation.IsAirborne = true;
 					creature->LOT.Fly = 0;
 
 					if ((item->Pose.Position.y - item->Floor) > 0)

TombEngine/Objects/TR4/Entity/tr4_skeleton.cpp

@@ -551,7 +551,7 @@ namespace TEN::Entities::TR4
 						item->Animation.AnimNumber = Objects[ID_SKELETON].animIndex + 44;
 						item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 						item->Animation.ActiveState = 23;
-						item->Animation.Airborne = true;
+						item->Animation.IsAirborne = true;
 						creature->MaxTurn = 0;
 						creature->LOT.IsJumping = false;
 					}
@@ -685,7 +685,7 @@ namespace TEN::Entities::TR4
 						item->Animation.AnimNumber = Objects[item->ObjectNumber].animIndex + 44;
 						item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 						item->Animation.ActiveState = 23;
-						item->Animation.Airborne = true;
+						item->Animation.IsAirborne = true;
 						creature->MaxTurn = 0;
 						creature->LOT.IsJumping = false;
 					}
@@ -740,7 +740,7 @@ namespace TEN::Entities::TR4
 					item->Animation.AnimNumber = Objects[item->ObjectNumber].animIndex + 47;
 					item->Animation.FrameNumber = g_Level.Anims[item->Animation.AnimNumber].frameBase;
 					item->Animation.ActiveState = 24;
-					item->Animation.Airborne = true;
+					item->Animation.IsAirborne = true;
 					creature->MaxTurn = 0;
 				}
 

TombEngine/Objects/TR4/Object/tr4_element_puzzle.cpp

@@ -239,7 +239,7 @@ namespace TEN::Entities::TR4
                 laraItem->Animation.ActiveState != LS_IDLE ||
                 laraItem->Animation.AnimNumber != LA_STAND_IDLE ||
                 !laraInfo->Torch.IsLit ||
-                laraItem->Animation.Airborne)
+                laraItem->Animation.IsAirborne)
             {
                 if (laraItem->Animation.AnimNumber != LA_TORCH_LIGHT_3 ||
                     g_Level.Anims[LA_TORCH_LIGHT_3].frameBase + 16 ||

TombEngine/Objects/TR4/Trap/tr4_teethspike.cpp

@@ -129,7 +129,7 @@ namespace TEN::Entities::TR4
 				int bloodCount = 0;
 
 				if ((item->ItemFlags[0] > 1024 ||
-					LaraItem->Animation.Airborne) &&
+					LaraItem->Animation.IsAirborne) &&
 					(item->TriggerFlags & 7) > 2 &&
 					(item->TriggerFlags & 7) < 6)
 				{
@@ -183,14 +183,14 @@ namespace TEN::Entities::TR4
 					TriggerBlood(dx, yBottom - (GetRandomControl() % dy), dz, GetRandomControl() << 1, 1);
 				}
 
-				if (LaraItem->HitPoints <= 0)
+				if (LaraItem->HitPoints <= 0 && Lara.Vehicle == NO_ITEM)
 				{
 					int heightFromFloor = GetCollision(LaraItem).Position.Floor - LaraItem->Pose.Position.y;
 					if (item->Pose.Position.y >= LaraItem->Pose.Position.y &&
 						heightFromFloor < CLICK(1))
 					{
 						SetAnimation(LaraItem, LA_SPIKE_DEATH);
-						LaraItem->Animation.Airborne = false;
+						LaraItem->Animation.IsAirborne = false;
 					}
 				}
 			}