diff --git a/TR5Main/Game/lara.cpp b/TR5Main/Game/lara.cpp
index 7c119c792..f5ef20d4d 100644
--- a/TR5Main/Game/lara.cpp
+++ b/TR5Main/Game/lara.cpp
@@ -980,7 +980,7 @@ void LookLeftRight()
 				Lara.headYrot += ANGLE(2.0f);
 		}
 	}
-	if (Lara.gunStatus != LG_HANDS_BUSY && !Lara.leftArm.lock && !Lara.rightArm.lock)
+	if (Lara.gunStatus != LG_HANDS_BUSY && Lara.Vehicle == NO_ITEM && !Lara.leftArm.lock && !Lara.rightArm.lock)
 		Lara.torsoYrot = Lara.headYrot;
 }
 
@@ -1009,7 +1009,7 @@ void LookUpDown()
 				Lara.headXrot += ANGLE(2.0f);
 		}
 	}
-	if (Lara.gunStatus != LG_HANDS_BUSY && !Lara.leftArm.lock && !Lara.rightArm.lock)
+	if (Lara.gunStatus != LG_HANDS_BUSY && Lara.Vehicle == NO_ITEM && !Lara.leftArm.lock && !Lara.rightArm.lock)
 		Lara.torsoXrot = Lara.headXrot;
 }
 
diff --git a/TR5Main/Game/lara1gun.cpp b/TR5Main/Game/lara1gun.cpp
index bcc2d27a2..bcc366a02 100644
--- a/TR5Main/Game/lara1gun.cpp
+++ b/TR5Main/Game/lara1gun.cpp
@@ -57,10 +57,10 @@ void FireHarpoon()
 			PHD_VECTOR jointPos;
 			
 			jointPos.x = -2;
-			jointPos.y = 0;
+			jointPos.y = 273 + 100;
 			jointPos.z = 77;
 
-			GetLaraJointPosition(&jointPos, LM_LHAND);
+			GetLaraJointPosition(&jointPos, LM_RHAND);
 
 			FLOOR_INFO* floor = GetFloor(jointPos.x, jointPos.y, jointPos.z, &item->roomNumber);
 			int height = GetFloorHeight(floor, jointPos.x, jointPos.y, jointPos.z);
@@ -81,19 +81,6 @@ void FireHarpoon()
 
 			InitialiseItem(itemNumber);
 
-			/*if (Lara.target != nullptr)
-			{
-				find_target_point(Lara.target, &pos);
-				item->pos.yRot = phd_atan(pos.z - item->pos.zPos, pos.x - item->pos.xPos);
-				int distance = sqrt(SQUARE(pos.z - item->pos.zPos) + SQUARE(pos.x - item->pos.xPos));
-				item->pos.xRot = -phd_atan(distance, pos.y - item->pos.yPos);
-			}
-			else
-			{
-				item->pos.xRot = LaraItem->pos.xRot + Lara.torsoXrot;
-				item->pos.yRot = LaraItem->pos.yRot + Lara.torsoYrot;
-			}*/
-
 			item->pos.xRot = Lara.leftArm.xRot + LaraItem->pos.xRot;
 			item->pos.zRot = 0;
 			item->pos.yRot = Lara.leftArm.yRot + LaraItem->pos.yRot;
@@ -120,101 +107,15 @@ void FireHarpoon()
 
 void ControlHarpoonBolt(short itemNumber)
 {
-	/*ITEM_INFO* item = &g_Level.Items[itemNumber];
+	ITEM_INFO* item = &g_Level.Items[itemNumber];
 
-	// Store position for later
+	// Store old position for later
 	int oldX = item->pos.xPos;
 	int oldY = item->pos.yPos;
 	int oldZ = item->pos.zPos;
-	short oldRoom = item->roomNumber;
-
-	// Update position
-	item->pos.xPos += item->speed * phd_sin(item->pos.yRot) >> W2V_SHIFT;
-	item->pos.yPos += item->fallspeed;
-	item->pos.zPos += item->speed * phd_cos(item->pos.yRot) >> W2V_SHIFT;
-
 	short roomNumber = item->roomNumber;
-	FLOOR_INFO* floor = GetFloor(item->pos.xPos, item->pos.yPos, item->pos.zPos, &roomNumber);
-	item->floor = GetFloorHeight(floor, item->pos.xPos, item->pos.yPos, item->pos.zPos);
 
-	// Has harpoon changed room?
-	if (item->roomNumber != roomNumber)
-		ItemNewRoom(itemNumber, roomNumber);
-
-	//  First check if the harpoon has it an item
-	short targetItemNumber = 0;
-	ITEM_INFO* target;
-	for (targetItemNumber = g_Level.Rooms[item->roomNumber].itemNumber; targetItemNumber != NO_ITEM; targetItemNumber = target->nextItem)
-	{
-		target = &g_Level.Items[targetItemNumber];
-		if (target == LaraItem || !target->collidable)
-			continue;
-
-		if (target->status != ITEM_INVISIBLE && Objects[target->objectNumber].collision)
-		{
-			// check against bounds of target for collision
-			BOUNDING_BOX* bounds = (BOUNDING_BOX*)GetBestFrame(target);
-			if (item->pos.yPos < target->pos.yPos + bounds->Y1 || item->pos.yPos > target->pos.yPos + bounds->Y2)
-				continue;
-
-			// get vector from target to bolt and check against x,z bounds
-			short c = phd_cos(target->pos.yRot);
-			short s = phd_sin(target->pos.yRot);
-
-			int x = item->pos.xPos - target->pos.xPos;
-			int z = item->pos.zPos - target->pos.zPos;
-			int rx = (c * x - s * z) >> W2V_SHIFT;
-
-			int ox = oldX - target->pos.xPos;
-			int oz = oldZ - target->pos.zPos;
-			int sx = (c * ox - s * oz) >> W2V_SHIFT;
-
-			if ((rx < bounds->X1 && sx < bounds->X1) || (rx > bounds->X2 && sx > bounds->X2))
-				continue;
-
-			int rz = (c * z + s * x) >> W2V_SHIFT;
-			int sz = (c * oz + s * ox) >> W2V_SHIFT;
-
-			if ((rz < bounds->Z1 && sz < bounds->Z1) || (rz > bounds->Z2 && sz > bounds->Z2))
-				continue;
-
-			// TODO:
-			if (target->objectNumber == SMASH_OBJECT1 && CurrentLevel != LV_CRASH)
-			{
-				SmashWindow(targetItemNumber);
-			}
-			else if (target->objectNumber == SMASH_WINDOW ||
-				target->objectNumber == SMASH_OBJECT2 ||
-				target->objectNumber == SMASH_OBJECT3)
-			{
-				SmashWindow(targetItemNumber);
-			}
-			else if (target->objectNumber == CARCASS || target->objectNumber == EXTRAFX6)
-			{
-				if (item->status != ACTIVE)
-				{
-					item->status = ACTIVE;
-					AddActiveItem(targetItemNumber);
-				}
-			}
-			else if (target->objectNumber != SMASH_OBJECT1)
-			{
-			if (Objects[target->objectNumber].intelligent)
-			{
-				DoLotsOfBlood(item->pos.xPos, item->pos.yPos, item->pos.zPos, 0, 0, item->roomNumber, 3);
-				HitTarget(target, NULL, Weapons[WEAPON_HARPOON_GUN].damage << item->itemFlags[0], 0);
-				Savegame.Level.AmmoHits++;
-				Savegame.Game.AmmoHits++;
-			}
-
-			KillItem(itemNumber);
-			item->afterDeath = 0;
-			return;
-		}
-	}
-
-	// Has harpoon hit a wall?
-	if (item->pos.yPos >= item->floor || item->pos.yPos <= GetCeiling(floor, item->pos.xPos, item->pos.yPos, item->pos.zPos))
+	/*if (item->pos.yPos >= item->floor || item->pos.yPos <= GetCeiling(floor, item->pos.xPos, item->pos.yPos, item->pos.zPos))
 	{
 		if (item->hitPoints == HARPOON_TIME)
 		{
@@ -223,15 +124,14 @@ void ControlHarpoonBolt(short itemNumber)
 
 		if (item->hitPoints >= 192)
 		{
-			item->pos.xRot = item->currentAnimState + ((((rcossin_tbl[((item->hitPoints - 192) << 9) & 4095] >> 1) - 1024)*(item->hitPoints - 192)) >> 6);
+			item->pos.xRot = item->currentAnimState + ((((phd_sin(item->hitPoints * 2048) / 8) - 1024) * (item->hitPoints - 192)) / 64);
 			item->hitPoints--;
 		}
 
 		item->hitPoints--;
-		if (item->hitPoints <= 0)
+		if (!item->hitPoints)
 		{
 			KillItem(itemNumber);
-			item->afterDeath = 0;
 			return;
 		}
 		item->speed = item->fallspeed = 0;
@@ -239,39 +139,23 @@ void ControlHarpoonBolt(short itemNumber)
 	else
 	{
 		item->pos.zRot += ANGLE(35);
-		if (!(g_Level.Rooms[item->roomNumber].flags & 1))
+		if (!(g_Level.Rooms[item->roomNumber].flags & ENV_FLAG_WATER))
 		{
-			item->pos.xRot -= ANGLE(1);
-			if (item->pos.xRot < -16384)
-				item->pos.xRot = -16384;
+			item->pos.xRot -= (ANGLE(1));
+			if (item->pos.xRot < -ANGLE(90))
+				item->pos.xRot = -ANGLE(90);
 			item->fallspeed = (short)(-HARPOON_SPEED * phd_sin(item->pos.xRot) >> W2V_SHIFT);
 			item->speed = (short)(HARPOON_SPEED * phd_cos(item->pos.xRot) >> W2V_SHIFT);
 		}
 		else
 		{
-			// Create bubbles
 			if ((Wibble & 15) == 0)
-				CreateBubble((PHD_VECTOR*)&item->pos, item->roomNumber, 0, 0,BUBBLE_FLAG_CLUMP | BUBBLE_FLAG_HIGH_AMPLITUDE, 0, 0, 0); // CHECK
-			//TriggerRocketSmoke(item->pos.xPos, item->pos.yPos, item->pos.zPos, 64);
+				CreateBubble((PHD_VECTOR*)&item->pos, item->roomNumber, 2, 8);
+			TriggerRocketSmoke(item->pos.xPos, item->pos.yPos, item->pos.zPos, 64);
 			item->fallspeed = (short)(-(HARPOON_SPEED >> 1) * phd_sin(item->pos.xRot) >> W2V_SHIFT);
 			item->speed = (short)((HARPOON_SPEED >> 1) * phd_cos(item->pos.xRot) >> W2V_SHIFT);
 		}
-	}
-
-
-	roomNumber = item->roomNumber;
-	floor = GetFloor(item->pos.xPos, item->pos.yPos, item->pos.zPos, &roomNumber);
-	GetFloorHeight(floor, item->pos.xPos, item->pos.yPos, item->pos.zPos);
-	if (item->roomNumber != roomNumber)
-		ItemNewRoom(itemNumber, roomNumber);*/
-
-	ITEM_INFO* item = &g_Level.Items[itemNumber];
-
-	// Store old position for later
-	int oldX = item->pos.xPos;
-	int oldY = item->pos.yPos;
-	int oldZ = item->pos.zPos;
-	short roomNumber = item->roomNumber;
+	}*/
 
 	bool aboveWater = false;
 
@@ -291,7 +175,7 @@ void ControlHarpoonBolt(short itemNumber)
 		// Create bubbles
 		if ((Wibble & 15) == 0)
 			CreateBubble((PHD_VECTOR*)& item->pos, item->roomNumber, 0, 0, BUBBLE_FLAG_CLUMP | BUBBLE_FLAG_HIGH_AMPLITUDE, 0, 0, 0); // CHECK
-		//TriggerRocketSmoke(item->pos.xPos, item->pos.yPos, item->pos.zPos, 64);
+		TriggerRocketSmoke(item->pos.xPos, item->pos.yPos, item->pos.zPos, 64);
 		item->fallspeed = (short)(-(HARPOON_SPEED >> 1) * phd_sin(item->pos.xRot) >> W2V_SHIFT);
 		item->speed = (short)((HARPOON_SPEED >> 1) * phd_cos(item->pos.xRot) >> W2V_SHIFT);
 		aboveWater = false;
diff --git a/TR5Main/Game/smoke.cpp b/TR5Main/Game/smoke.cpp
index d4e060949..9e7913db1 100644
--- a/TR5Main/Game/smoke.cpp
+++ b/TR5Main/Game/smoke.cpp
@@ -10,7 +10,14 @@ namespace T5M {
 	namespace Effects {
 		namespace Smoke {
 			std::array<SmokeParticle, 128> SmokeParticles;
-
+			SmokeParticle& getFreeSmokeParticle()
+			{
+				for(int i = 0; i < SmokeParticles.size(); i++){
+					if(!SmokeParticles[i].active)
+						return SmokeParticles[i];
+				}
+				return SmokeParticles[0];
+			}
 			void UpdateSmokeParticles()
 			{
 				for (int i = 0; i < SmokeParticles.size(); i++) {
@@ -70,23 +77,15 @@ namespace T5M {
 				s.room = room;
 			}
 
-			SmokeParticle& getFreeSmokeParticle()
-			{
-				for (int i = 0; i < SmokeParticles.size(); i++) {
-					if (!SmokeParticles[i].active)
-						return SmokeParticles[i];
-				}
-				return SmokeParticles[0];
-			}
-
 			void TriggerGunSmokeParticles(int x, int y, int z, short xv, short yv, short zv, byte initial, int weaponType, byte count)
 			{
 				SmokeParticle& s = getFreeSmokeParticle();
 				s = {};
 				s.active = true;
 				s.position = Vector3(x, y, z);
-				Vector3(xv, yv, zv).Normalize(s.velocity);
-				s.velocity *= frand() * 24 + 16;
+				Vector3 dir = Vector3(xv, yv, zv);
+				dir.Normalize();
+				s.velocity = dir;
 				s.gravity = -.1f;
 				s.affectedByWind = g_Level.Rooms[LaraItem->roomNumber].flags & ENV_FLAG_WIND;
 				s.sourceColor = Vector4(.4, .4, .4, 1);
@@ -98,9 +97,10 @@ namespace T5M {
 					s.sourceSize = size *2;
 					s.destinationSize = size * 8;
 					s.terminalVelocity = 0;
-					s.friction = 0.90f;
+					s.friction = 0.88f;
 					s.life = frand() * 30 + 60;
-										
+					s.velocity = getRandomVectorInCone(s.velocity, 10);
+					s.velocity *= frand() * 14 + 16;
 				}
 				else
 				{
@@ -111,13 +111,14 @@ namespace T5M {
 					s.terminalVelocity = 0;
 					s.friction = 0.97f;
 					s.life = frand() * 20 + 42;
+					s.velocity *= frand() * 24 + 16;
 					
 				}
 				s.position = Vector3(x, y, z);
 				s.position += Vector3(frandMinMax(-8, 8), frandMinMax(-8, 8), frandMinMax(-8, 8));
 				s.angularVelocity = frandMinMax(-PI / 4, PI / 4);
 
-				s.angularDrag = 0.8f;
+				s.angularDrag = 0.95f;
 				s.room = LaraItem->roomNumber;
 				
 			}
diff --git a/TR5Main/Game/smoke.h b/TR5Main/Game/smoke.h
index 879712e59..30cca65ce 100644
--- a/TR5Main/Game/smoke.h
+++ b/TR5Main/Game/smoke.h
@@ -32,7 +32,6 @@ namespace T5M{
 
 			void UpdateSmokeParticles();
 			void TriggerFlareSmoke(const DirectX::SimpleMath::Vector3& pos, DirectX::SimpleMath::Vector3& direction, int age, int room);
-			SmokeParticle& getFreeSmokeParticle();
 			void TriggerGunSmokeParticles(int x, int y, int z, short xv, short yv, short zv, byte initial, int weaponType, byte count);
 
 		}
diff --git a/TR5Main/Game/trmath.cpp b/TR5Main/Game/trmath.cpp
index d13766ffb..2f9c1aea7 100644
--- a/TR5Main/Game/trmath.cpp
+++ b/TR5Main/Game/trmath.cpp
@@ -1325,7 +1325,7 @@ float TO_RAD(short angle)
 
 const float frand()
 {
-	float result = float((float)rand() / RAND_MAX);
+	float result = float(static_cast<float>(rand()) / RAND_MAX);
 	return result;
 }
 
@@ -1339,6 +1339,24 @@ const float lerp(float v0, float v1, float t)
 	return (1 - t) * v0 + t * v1;
 }
 
+const Vector3 getRandomVector()
+{
+	Vector3 v = {frandMinMax(-1,1),frandMinMax(-1,1),frandMinMax(-1,1)};
+	v.Normalize();
+	return v;
+}
+
+const Vector3 getRandomVectorInCone(const Vector3& direction, const float angleDegrees)
+{
+	float x = frandMinMax(-angleDegrees, angleDegrees) * RADIAN;
+	float y = frandMinMax(-angleDegrees, angleDegrees) * RADIAN;
+	float z = frandMinMax(-angleDegrees, angleDegrees) * RADIAN;
+	Matrix m = Matrix::CreateRotationX(x)* Matrix::CreateRotationY(y) * Matrix::CreateRotationZ(z);
+	Vector3 result = direction.TransformNormal(direction, m);
+	result.Normalize();
+	return result;
+}
+
 // FIXME: game code still expects << 2 >> W2V_SHIFT so we multiply by 16384.0f
 int phd_sin(short a)
 {
diff --git a/TR5Main/Game/trmath.h b/TR5Main/Game/trmath.h
index 69436b035..0bd2da3bd 100644
--- a/TR5Main/Game/trmath.h
+++ b/TR5Main/Game/trmath.h
@@ -45,6 +45,8 @@ int phd_cos(short a);
 const float frand();
 const float frandMinMax(float min, float max);
 const float lerp(float v0, float v1, float t);
+const Vector3 getRandomVector();
+const Vector3 getRandomVectorInCone(const Vector3& direction,const float angleDegrees);
 int mGetAngle(int x1, int y1, int x2, int y2);
 int phd_atan(int dz, int dx);
 void phd_GetVectorAngles(int x, int y, int z, short* angles);