mirror of
https://github.com/TombEngine/TombEngine.git
synced 2025-05-07 11:13:53 +03:00
302 lines
8.5 KiB
C++
302 lines
8.5 KiB
C++
#include "framework.h"
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#include "Objects/TR3/Vehicles/biggun.h"
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#include "Game/animation.h"
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#include "Game/camera.h"
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#include "Game/collision/collide_room.h"
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#include "Game/collision/collide_item.h"
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#include "Game/effects/effects.h"
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#include "Game/effects/tomb4fx.h"
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#include "Game/items.h"
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#include "Game/Lara/lara.h"
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#include "Game/Lara/lara_flare.h"
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#include "Game/Lara/lara_helpers.h"
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#include "Game/Lara/lara_struct.h"
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#include "Objects/TR3/Vehicles/biggun_info.h"
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#include "Sound/sound.h"
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#include "Specific/level.h"
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#include "Specific/input.h"
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#include "Specific/setup.h"
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#define BGUN_TURN_RATE ANGLE(2.0f)
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#define BGUN_TURN_MAX ANGLE(16.0f)
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#define RECOIL_TIME 26
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#define RECOIL_Z 25
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#define BGUN_UP_DOWN_FRAMES 59
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#define BGUN_DISMOUNT_FRAME 30
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#define BGUN_IN_FIRE IN_ACTION
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#define BGUN_IN_DISMOUNT (IN_ROLL | IN_JUMP)
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#define BGUN_IN_UP IN_FORWARD
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#define BGUN_IN_DOWN IN_BACK
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#define BGUN_IN_LEFT IN_LEFT
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#define BGUN_IN_RIGHT IN_RIGHT
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enum BigGunState
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{
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BGUN_STATE_MOUNT = 0,
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BGUN_STATE_DISMOUNT = 1,
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BGUN_STATE_UP_DOWN = 2,
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BGUN_STATE_RECOIL = 3
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};
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enum BigGunAnim
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{
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BGUN_ANIM_MOUNT = 0,
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BGUN_ANIM_DISMOUNT = 1,
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BGUN_ANIM_UP_DOWN = 2,
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BGUN_ANIM_RECOIL = 3
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};
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enum BigGunFlags
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{
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BGUN_FLAG_NONE = 0,
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BGUN_FLAG_UP_DOWN = 1,
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BGUN_FLAG_AUTO_ROT = 2,
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BGUN_FLAG_DISMOUNT = 4,
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BGUN_FLAG_FIRE = 8
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};
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void BigGunInitialise(short itemNum)
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{
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auto* bGunItem = &g_Level.Items[itemNum];
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bGunItem->Data = BigGunInfo();
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auto* bGunInfo = (BigGunInfo*)bGunItem->Data;
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bGunInfo->Rotation.xRot = BGUN_DISMOUNT_FRAME;
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bGunInfo->Rotation.zRot = 0;
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bGunInfo->StartYRot = bGunItem->Position.yRot;
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bGunInfo->GunRotYAdd = 0;
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bGunInfo->FireCount = 0;
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bGunInfo->Flags = BGUN_FLAG_NONE;
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bGunInfo->BarrelRotating = false;
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}
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static bool BigGunTestMount(ITEM_INFO* laraItem, ITEM_INFO* bGunItem)
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{
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//LaraInfo*& laraInfo = lara->data; // If Lara global is not used, the game crashes upon level load. Not sure why. @Sezz 2022.01.09
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if (!(TrInput & IN_ACTION) ||
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Lara.Control.HandStatus != HandStatus::Free ||
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laraItem->Airborne)
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{
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return false;
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}
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int x = laraItem->Position.xPos - bGunItem->Position.xPos;
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int y = laraItem->Position.yPos - bGunItem->Position.yPos;
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int z = laraItem->Position.zPos - bGunItem->Position.zPos;
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int distance = pow(x, 2) + pow(y, 2) + pow(z, 2);
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if (distance > 30000)
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return false;
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short deltaAngle = abs(laraItem->Position.yRot - bGunItem->Position.yRot);
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if (deltaAngle > ANGLE(35.0f) || deltaAngle < -ANGLE(35.0f))
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return false;
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return true;
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}
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void BigGunFire(ITEM_INFO* laraItem, ITEM_INFO* bGunItem)
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{
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auto* bGunInfo = (BigGunInfo*)bGunItem->Data;
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short itemNumber = CreateItem();
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auto* projectileItem = &g_Level.Items[itemNumber];
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if (itemNumber != NO_ITEM)
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{
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projectileItem->ObjectNumber = ID_ROCKET;
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projectileItem->RoomNumber = laraItem->RoomNumber;
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PHD_VECTOR pos = { 0, 0, CLICK(1) }; // CLICK(1) or 520?
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GetJointAbsPosition(bGunItem, &pos, 2);
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projectileItem->Position.xPos = pos.x;
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projectileItem->Position.yPos = pos.y;
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projectileItem->Position.zPos = pos.z;
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InitialiseItem(itemNumber);
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projectileItem->Position.xRot = -((bGunInfo->Rotation.xRot - 32) * ANGLE(1.0f));
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projectileItem->Position.yRot = bGunItem->Position.yRot;
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projectileItem->Position.zRot = 0;
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projectileItem->Velocity = 16;
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projectileItem->ItemFlags[0] = BGUN_FLAG_UP_DOWN;
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AddActiveItem(itemNumber);
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SmokeCountL = 32;
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SmokeWeapon = WEAPON_ROCKET_LAUNCHER;
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for (int i = 0; i < 5; i++)
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TriggerGunSmoke(pos.x, pos.y, pos.z, 0, 0, 0, 1, WEAPON_ROCKET_LAUNCHER, 32);
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SoundEffect(SFX_TR4_EXPLOSION1, 0, 0);
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}
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}
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void BigGunCollision(short itemNum, ITEM_INFO* laraItem, COLL_INFO* coll)
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{
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auto* laraInfo = GetLaraInfo(laraItem);
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auto* bGunItem = &g_Level.Items[itemNum];
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auto* bGunInfo = (BigGunInfo*)bGunItem->Data;
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if (laraItem->HitPoints <= 0 || laraInfo->Vehicle != NO_ITEM)
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return;
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if (BigGunTestMount(bGunItem, laraItem))
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{
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laraInfo->Vehicle = itemNum;
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if (laraInfo->Control.WeaponControl.GunType == WEAPON_FLARE)
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{
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CreateFlare(laraItem, ID_FLARE_ITEM, false);
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UndrawFlareMeshes(laraItem);
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laraInfo->Flare.ControlLeft = false;
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laraInfo->Control.WeaponControl.RequestGunType = WEAPON_NONE;
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laraInfo->Control.WeaponControl.GunType = WEAPON_NONE;
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}
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laraItem->AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_MOUNT;
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laraItem->FrameNumber = g_Level.Anims[Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_MOUNT].frameBase;
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laraItem->TargetState = BGUN_STATE_MOUNT;
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laraItem->ActiveState = BGUN_STATE_MOUNT;
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laraItem->Position = bGunItem->Position;
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laraItem->Airborne = false;
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laraInfo->Control.HandStatus = HandStatus::Busy;
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bGunItem->HitPoints = 1;
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bGunInfo->Flags = BGUN_FLAG_NONE;
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bGunInfo->Rotation.xRot = BGUN_DISMOUNT_FRAME;
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}
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else
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ObjectCollision(itemNum, laraItem, coll);
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}
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bool BigGunControl(ITEM_INFO* laraItem, COLL_INFO* coll)
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{
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auto* laraInfo = GetLaraInfo(laraItem);
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auto* bGunItem = &g_Level.Items[laraInfo->Vehicle];
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auto* bGunInfo = (BigGunInfo*)bGunItem->Data;
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if (bGunInfo->Flags & BGUN_FLAG_UP_DOWN)
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{
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if (bGunInfo->BarrelRotating)
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bGunInfo->BarrelZRotation--;
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if (!bGunInfo->BarrelZRotation)
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bGunInfo->BarrelRotating = false;
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if (TrInput & BGUN_IN_DISMOUNT || laraItem->HitPoints <= 0)
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bGunInfo->Flags = BGUN_FLAG_AUTO_ROT;
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else
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{
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if (TrInput & BGUN_IN_FIRE && bGunInfo->FireCount == 0)
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{
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BigGunFire(laraItem, bGunItem);
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bGunInfo->FireCount = RECOIL_TIME;
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bGunInfo->BarrelZRotation = RECOIL_Z;
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bGunInfo->BarrelRotating = true;
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}
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if (TrInput & BGUN_IN_LEFT)
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{
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if (bGunInfo->GunRotYAdd > 0)
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bGunInfo->GunRotYAdd /= 2;
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bGunInfo->GunRotYAdd -= BGUN_TURN_RATE;
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if (bGunInfo->GunRotYAdd < -BGUN_TURN_MAX)
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bGunInfo->GunRotYAdd = -BGUN_TURN_MAX;
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}
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else if (TrInput & BGUN_IN_RIGHT)
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{
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if (bGunInfo->GunRotYAdd < 0)
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bGunInfo->GunRotYAdd /= 2;
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bGunInfo->GunRotYAdd += BGUN_TURN_RATE;
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if (bGunInfo->GunRotYAdd > BGUN_TURN_MAX)
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bGunInfo->GunRotYAdd = BGUN_TURN_MAX;
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}
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else
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{
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bGunInfo->GunRotYAdd -= bGunInfo->GunRotYAdd / 4;
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if (abs(bGunInfo->GunRotYAdd) < BGUN_TURN_RATE)
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bGunInfo->GunRotYAdd = 0;
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}
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bGunInfo->Rotation.zRot += bGunInfo->GunRotYAdd / 4;
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if (TrInput & BGUN_IN_UP && bGunInfo->Rotation.xRot < BGUN_UP_DOWN_FRAMES)
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bGunInfo->Rotation.xRot++;
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else if (TrInput & BGUN_IN_DOWN && bGunInfo->Rotation.xRot)
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bGunInfo->Rotation.xRot--;
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}
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}
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if (bGunInfo->Flags & BGUN_FLAG_AUTO_ROT)
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{
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if (bGunInfo->Rotation.xRot == BGUN_DISMOUNT_FRAME)
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{
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laraItem->AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_DISMOUNT;
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laraItem->FrameNumber = g_Level.Anims[Objects[ID_BIGGUN].animIndex + BGUN_ANIM_DISMOUNT].frameBase;
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laraItem->ActiveState = BGUN_STATE_DISMOUNT;
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laraItem->TargetState = BGUN_STATE_DISMOUNT;
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bGunInfo->GunRotYAdd = 0;
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bGunInfo->BarrelRotating = false;
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bGunInfo->Flags = BGUN_FLAG_DISMOUNT;
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}
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else if (bGunInfo->Rotation.xRot > BGUN_DISMOUNT_FRAME)
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bGunInfo->Rotation.xRot--;
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else if (bGunInfo->Rotation.xRot < BGUN_DISMOUNT_FRAME)
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bGunInfo->Rotation.xRot++;
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}
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switch (laraItem->ActiveState)
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{
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case BGUN_STATE_MOUNT:
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case BGUN_STATE_DISMOUNT:
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AnimateItem(laraItem);
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bGunItem->AnimNumber = Objects[ID_BIGGUN].animIndex + (laraItem->AnimNumber - Objects[ID_BIGGUN_ANIMS].animIndex);
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bGunItem->FrameNumber = g_Level.Anims[bGunItem->AnimNumber].frameBase + (laraItem->FrameNumber - g_Level.Anims[laraItem->AnimNumber].frameBase);
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if (bGunInfo->Flags & BGUN_FLAG_DISMOUNT && TestLastFrame(laraItem))
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{
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SetAnimation(laraItem, LA_STAND_IDLE);
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laraInfo->Vehicle = NO_ITEM;
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laraInfo->Control.HandStatus = HandStatus::Free;
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bGunItem->HitPoints = 0;
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}
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break;
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case BGUN_STATE_UP_DOWN:
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laraItem->AnimNumber = Objects[ID_BIGGUN_ANIMS].animIndex + BGUN_ANIM_UP_DOWN;
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laraItem->FrameNumber = g_Level.Anims[Objects[ID_BIGGUN].animIndex + BGUN_ANIM_UP_DOWN].frameBase + bGunInfo->Rotation.xRot;
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bGunItem->AnimNumber = Objects[ID_BIGGUN].animIndex + (laraItem->AnimNumber - Objects[ID_BIGGUN_ANIMS].animIndex);
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bGunItem->FrameNumber = g_Level.Anims[bGunItem->AnimNumber].frameBase + (laraItem->FrameNumber - g_Level.Anims[laraItem->AnimNumber].frameBase);
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if (bGunInfo->FireCount > 0)
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bGunInfo->FireCount--;
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else
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bGunInfo->FireCount = 0;
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bGunInfo->Flags = BGUN_FLAG_UP_DOWN;
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break;
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}
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Camera.targetElevation = -ANGLE(15.0f);
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bGunItem->Position.yRot = bGunInfo->StartYRot + bGunInfo->Rotation.zRot;
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laraItem->Position.yRot = bGunItem->Position.yRot;
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coll->Setup.EnableSpasm = false;
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coll->Setup.EnableObjectPush = false;
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DoObjectCollision(laraItem, coll);
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return true;
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}
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