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path: root/src/objects/Object.cpp
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#include "common.h"
#include "patcher.h"
#include "main.h"
#include "Lights.h"
#include "Pools.h"
#include "Radar.h"
#include "Object.h"
#include "DummyObject.h"
#include "Particle.h"
#include "General.h"
#include "ObjectData.h"
#include "World.h"
#include "Floater.h"

int16 &CObject::nNoTempObjects = *(int16*)0x95CCA2;
int16 &CObject::nBodyCastHealth = *(int16*)0x5F7D4C;	// 1000

void *CObject::operator new(size_t sz) { return CPools::GetObjectPool()->New();  }
void *CObject::operator new(size_t sz, int handle) { return CPools::GetObjectPool()->New(handle);};
void CObject::operator delete(void *p, size_t sz) { CPools::GetObjectPool()->Delete((CObject*)p); }
void CObject::operator delete(void *p, int handle) { CPools::GetObjectPool()->Delete((CObject*)p); }

CObject::CObject(void)
{
	m_type = ENTITY_TYPE_OBJECT;
	m_fUprootLimit = 0.0f;
	m_nCollisionDamageEffect = 0;
	m_nSpecialCollisionResponseCases = COLLRESPONSE_NONE;
	m_bCameraToAvoidThisObject = false;
	ObjectCreatedBy = UNKNOWN_OBJECT;
	m_nEndOfLifeTime = 0;
//	m_nRefModelIndex = -1;	// duplicate
//	bUseVehicleColours = false;	// duplicate
	m_colour2 = 0;
	m_colour1 = m_colour2;
	m_nBonusValue = 0;
	bIsPickup = false;
	m_obj_flag2 = false;
	bOutOfStock = false;
	bGlassCracked = false;
	bGlassBroken = false;
	bHasBeenDamaged = false;
	m_nRefModelIndex = -1;
	bUseVehicleColours = false;
	m_pCurSurface = nil;
	m_pCollidingEntity = nil;
}

CObject::CObject(int32 mi, bool createRW)
{
	if (createRW)
		SetModelIndex(mi);
	else
		SetModelIndexNoCreate(mi);
	Init();
}

CObject::CObject(CDummyObject *dummy)
{
	SetModelIndexNoCreate(dummy->m_modelIndex);

	if (dummy->m_rwObject)
		AttachToRwObject(dummy->m_rwObject);
	else
		GetMatrix() = dummy->GetMatrix();

	m_objectMatrix = dummy->GetMatrix();
	dummy->DetachFromRwObject();
	Init();
	m_level = dummy->m_level;
}

CObject::~CObject(void)
{
	CRadar::ClearBlipForEntity(BLIP_OBJECT, CPools::GetObjectPool()->GetIndex(this));

	if(m_nRefModelIndex != -1)
		CModelInfo::GetModelInfo(m_nRefModelIndex)->RemoveRef();

	if(ObjectCreatedBy == TEMP_OBJECT && nNoTempObjects != 0)
		nNoTempObjects--;
}

void 
CObject::ProcessControl(void) 
{ 
	CVector point, impulse;
	if (m_nCollisionDamageEffect)
		ObjectDamage(m_fDamageImpulse);
	CPhysical::ProcessControl();
	if (mod_Buoyancy.ProcessBuoyancy(this, m_fBuoyancy, &point, &impulse)) {
		bIsInWater = true;
		bIsStatic = false;
		ApplyMoveForce(impulse);
		ApplyTurnForce(impulse, point);
		float fTimeStep = Pow(0.97f, CTimer::GetTimeStep());
		m_vecMoveSpeed *= fTimeStep;
		m_vecTurnSpeed *= fTimeStep;
	}
	if ((m_modelIndex == MI_EXPLODINGBARREL || m_modelIndex == MI_PETROLPUMP) && bHasBeenDamaged && bIsVisible
		&& CGeneral::GetRandomNumberInRange(0, 31) == 10) {
		bExplosionProof = true;
		bIsVisible = false;
		bUsesCollision = false;
		bAffectedByGravity = false;
		m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
	}
}

void 
CObject::Teleport(CVector vecPos)
{ 
	CWorld::Remove(this);
	m_matrix.GetPosition() = vecPos;
	m_matrix.UpdateRW();
	UpdateRwFrame();
	CWorld::Add(this);
}

void
CObject::Render(void)
{
	if(bDoNotRender)
		return;

	if(m_nRefModelIndex != -1 && ObjectCreatedBy == TEMP_OBJECT && bUseVehicleColours){
		CVehicleModelInfo *mi = (CVehicleModelInfo*)CModelInfo::GetModelInfo(m_nRefModelIndex);
		assert(mi->m_type == MITYPE_VEHICLE);
		mi->SetVehicleColour(m_colour1, m_colour2);
	}

	CEntity::Render();
}

bool
CObject::SetupLighting(void)
{
	DeActivateDirectional();
	SetAmbientColours();

	if(bRenderScorched){
		WorldReplaceNormalLightsWithScorched(Scene.world, 0.1f);
		return true;
	}
	return false;
}

void
CObject::RemoveLighting(bool reset)
{
	if(reset)
		WorldReplaceScorchedLightsWithNormal(Scene.world);
}

void 
CObject::ObjectDamage(float amount) 
{
	if (!m_nCollisionDamageEffect || !bUsesCollision)
		return;
	static int8 nFrameGen = 0;
	bool bBodyCastDamageEffect = false;
	if (m_modelIndex == MI_BODYCAST){
		if (amount > 50.0f)
			nBodyCastHealth = int16(nBodyCastHealth - 0.5f * amount);
		if (nBodyCastHealth < 0)
			nBodyCastHealth = 0;
		if (nBodyCastHealth < 200)
			bBodyCastDamageEffect = true;
		amount = 0.0f;
	}
	if ((amount * m_fCollisionDamageMultiplier > 150.0f || bBodyCastDamageEffect) && m_nCollisionDamageEffect) {
		if (m_nCollisionDamageEffect == COLDAMAGE_EFFECT_CHANGE_MODEL) {
			bRenderDamaged = true;
			return;
		}
		if (m_nCollisionDamageEffect == COLDAMAGE_EFFECT_SPLIT_MODEL) 
			return;
		if (m_nCollisionDamageEffect == COLDAMAGE_EFFECT_SMASH_COMPLETELY) {
			bIsVisible = false;
			bUsesCollision = false;
			bIsStatic = true;
			bExplosionProof = true;
			m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
			m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
			return;
		}
		if (m_nCollisionDamageEffect != COLDAMAGE_EFFECT_CHANGE_THEN_SMASH) {
			const CVector& vecPos = m_matrix.GetPosition();
			const float fDirectionZ = 0.0002f * amount;
			switch (m_nCollisionDamageEffect)
			{
			case COLDAMAGE_EFFECT_SMASH_CARDBOX_COMPLETELY: {
				bIsVisible = false;
				bUsesCollision = false;
				bIsStatic = true;
				bExplosionProof = true;
				m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
				m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
				const RwRGBA color = {96, 48, 0, 255};
				for (int32 i = 0; i < 25; i++) {
					CVector vecDir(CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
								CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
								CGeneral::GetRandomNumberInRange(0.1f, 0.15f) + fDirectionZ);
					++nFrameGen;
					int32 currentFrame = nFrameGen & 3;
					float fRandom = CGeneral::GetRandomNumberInRange(0.01f, 1.0f);
					RwRGBA randomColor = {color.red * fRandom, color.green * fRandom , color.blue, color.alpha};
					float fSize = CGeneral::GetRandomNumberInRange(0.02f, 0.18f);
					int32 nRotationSpeed = CGeneral::GetRandomNumberInRange(-40, 80);
					CParticle::AddParticle(PARTICLE_CAR_DEBRIS, vecPos, vecDir, nil, fSize, randomColor, nRotationSpeed, 0, currentFrame, 0);
				}
				PlayOneShotScriptObject(_SCRSOUND_CARDBOARD_BOX_SMASH, vecPos);
				break;
			}
			case COLDAMAGE_EFFECT_SMASH_WOODENBOX_COMPLETELY: {
				bIsVisible = false;
				bUsesCollision = false;
				bIsStatic = true;
				bExplosionProof = true;
				m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
				m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
				const RwRGBA color = {128, 128, 128, 255};
				for (int32 i = 0; i < 45; i++) {
					CVector vecDir(CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
						CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
						CGeneral::GetRandomNumberInRange(0.1f, 0.15f) + fDirectionZ);
					++nFrameGen;
					int32 currentFrame = nFrameGen & 3;
					float fRandom = CGeneral::GetRandomNumberInRange(0.5f, 0.5f);
					RwRGBA randomColor = {color.red * fRandom, color.green * fRandom , color.blue * fRandom, color.alpha};
					float fSize = CGeneral::GetRandomNumberInRange(0.02f, 0.18f);
					int32 nRotationSpeed = CGeneral::GetRandomNumberInRange(-40, 80);
					CParticle::AddParticle(PARTICLE_CAR_DEBRIS, vecPos, vecDir, nil, fSize, randomColor, nRotationSpeed, 0, currentFrame, 0);
				} 
				PlayOneShotScriptObject(_SCRSOUND_WOODEN_BOX_SMASH, vecPos);
				break;
			}
			case COLDAMAGE_EFFECT_SMASH_TRAFFICCONE_COMPLETELY: {
				bIsVisible = false;
				bUsesCollision = false;
				bIsStatic = true;
				bExplosionProof = true;
				m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
				m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
				const RwRGBA color1 = {200, 0, 0, 255};
				const RwRGBA color2 = {200, 200, 200, 255};
				for (int32 i = 0; i < 10; i++) {
					CVector vecDir(CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
						CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
						CGeneral::GetRandomNumberInRange(0.1f, 0.15f) + fDirectionZ);
					++nFrameGen;
					int32 currentFrame = nFrameGen & 3;
					RwRGBA color = color2;
					if (nFrameGen & 1)
						color = color1;
					float fSize = CGeneral::GetRandomNumberInRange(0.02f, 0.18f);
					int32 nRotationSpeed = CGeneral::GetRandomNumberInRange(-40, 80);
					CParticle::AddParticle(PARTICLE_CAR_DEBRIS, vecPos, vecDir, nil, fSize, color, nRotationSpeed, 0, currentFrame, 0);
				}
				PlayOneShotScriptObject(_SCRSOUND_TYRE_BUMP, vecPos);
				break;
			}
			case COLDAMAGE_EFFECT_SMASH_BARPOST_COMPLETELY: {
				bIsVisible = false;
				bUsesCollision = false;
				bIsStatic = true;
				bExplosionProof = true;
				m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
				m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
				const RwRGBA color1 = {200, 0, 0, 255};
				const RwRGBA color2 = {200, 200, 200, 255};
				for (int32 i = 0; i < 32; i++) {
					CVector vecDir(CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
						CGeneral::GetRandomNumberInRange(-0.35f, 0.7f),
						CGeneral::GetRandomNumberInRange(0.1f, 0.15f) + fDirectionZ);
					++nFrameGen;
					int32 currentFrame = nFrameGen & 3;
					RwRGBA color = color2;
					if (nFrameGen & 1)
						color = color1;
					float fSize = CGeneral::GetRandomNumberInRange(0.02f, 0.18f);
					int32 nRotationSpeed = CGeneral::GetRandomNumberInRange(-40, 80);
					CParticle::AddParticle(PARTICLE_CAR_DEBRIS, vecPos, vecDir, nil, fSize, color, nRotationSpeed, 0, currentFrame, 0);
				}
				PlayOneShotScriptObject(_SCRSOUND_COL_CAR, vecPos);
				break;
			}
			default:
				return;
			}
			return;
		}
		if (!bRenderDamaged) {
			bRenderDamaged = true;
		} else {
			bIsVisible = false;
			bUsesCollision = false;
			bIsStatic = true;
			bExplosionProof = true;
			m_vecMoveSpeed = CVector(0.0f, 0.0f, 0.0f);
			m_vecTurnSpeed = CVector(0.0f, 0.0f, 0.0f);
		}
	}
}

void
CObject::RefModelInfo(int32 modelId)
{
	m_nRefModelIndex = modelId;
	CModelInfo::GetModelInfo(modelId)->AddRef();
}

void 
CObject::Init(void) 
{ 
	m_type = ENTITY_TYPE_OBJECT;;
	CObjectData::SetObjectData(m_modelIndex, *this);
	m_nEndOfLifeTime = 0;
	ObjectCreatedBy = GAME_OBJECT;
	bIsStatic = true;
	bIsPickup = false;
	m_obj_flag2 = false;
	bOutOfStock = false;
	bGlassCracked = false;
	bGlassBroken = false;
	bHasBeenDamaged = false;
	bUseVehicleColours = false;
	m_nRefModelIndex = -1;
	m_colour1 = 0;
	m_colour2 = 0;
	m_nBonusValue = 0;
	m_pCollidingEntity = nil;
	CColPoint point;
	CEntity* outEntity = nil;
	const CVector& vecPos = m_matrix.GetPosition();
	if (CWorld::ProcessVerticalLine(vecPos, vecPos.z - 10.0f, point, outEntity, true, false, false, false, false, false, nil))
		m_pCurSurface = outEntity;
	else
		m_pCurSurface = nil;
	if (m_modelIndex == MI_BODYCAST)
		nBodyCastHealth = 1000;
	else if (m_modelIndex == MI_BUOY)
		bTouchingWater = true;
}

bool
CObject::CanBeDeleted(void)
{
	switch (ObjectCreatedBy) {
		case GAME_OBJECT:
			return true;
		case MISSION_OBJECT:
			return false;
		case TEMP_OBJECT:
			return true;
		case CUTSCENE_OBJECT:
			return false;
		default:
			return true;
	}
}

void
CObject::DeleteAllMissionObjects()
{
	CObjectPool* objectPool = CPools::GetObjectPool();
	for (int32 i = 0; i < objectPool->GetSize(); i++) {
		CObject* pObject = objectPool->GetSlot(i);
		if (pObject && pObject->ObjectCreatedBy == MISSION_OBJECT) {
			CWorld::Remove(pObject);
			delete pObject;
		}
	}
}

void 
CObject::DeleteAllTempObjects() 
{
	CObjectPool* objectPool = CPools::GetObjectPool();
	for (int32 i = 0; i < objectPool->GetSize(); i++) {
		CObject* pObject = objectPool->GetSlot(i);
		if (pObject && pObject->ObjectCreatedBy == TEMP_OBJECT) {
			CWorld::Remove(pObject);
			delete pObject;
		}
	}
}

void 
CObject::DeleteAllTempObjectInArea(CVector point, float fRadius) 
{
	CObjectPool *objectPool = CPools::GetObjectPool();
	for (int32 i = 0; i < objectPool->GetSize(); i++) {
		CObject *pObject = objectPool->GetSlot(i);
		if (pObject && pObject->ObjectCreatedBy == TEMP_OBJECT && fRadius * fRadius > pObject->GetPosition().MagnitudeSqr()) {
			CWorld::Remove(pObject);
			delete pObject;
		}
	}
}

#include <new>

class CObject_ : public CObject
{
public:
	CObject *ctor(void) { return ::new (this) CObject(); }
	CObject *ctor(int32 mi, bool createRW) { return ::new (this) CObject(mi, createRW); }
	CObject *ctor(CDummyObject *dummy) { return ::new (this) CObject(dummy); }
	void dtor(void) { CObject::~CObject(); }
	void Render_(void) { CObject::Render(); }
	void ProcessControl_(void) { CObject::ProcessControl(); }
	bool SetupLighting_(void) { return CObject::SetupLighting(); }
	void RemoveLighting_(bool reset) { CObject::RemoveLighting(reset); }
};

STARTPATCHES
	InjectHook(0x4BABD0, (CObject* (CObject::*)(void)) &CObject_::ctor, PATCH_JUMP);
	InjectHook(0x4BACE0, (CObject* (CObject::*)(int32, bool)) &CObject_::ctor, PATCH_JUMP);
	InjectHook(0x4BAD50, (CObject* (CObject::*)(CDummyObject*)) &CObject_::ctor, PATCH_JUMP);
	InjectHook(0x4BAE00, &CObject_::dtor, PATCH_JUMP);
	InjectHook(0x4BB040, &CObject_::ProcessControl_, PATCH_JUMP);
	InjectHook(0x4BBDA0, &CObject::Teleport, PATCH_JUMP);
	InjectHook(0x4BB1E0, &CObject_::Render_, PATCH_JUMP);
	InjectHook(0x4A7C90, &CObject_::SetupLighting_, PATCH_JUMP);
	InjectHook(0x4A7CD0, &CObject_::RemoveLighting_, PATCH_JUMP);
	InjectHook(0x4BB240, &CObject::ObjectDamage, PATCH_JUMP);
	InjectHook(0x4BBD80, &CObject::RefModelInfo, PATCH_JUMP);
	InjectHook(0x4BAEC0, &CObject::Init, PATCH_JUMP);
	InjectHook(0x4BB010, &CObject::CanBeDeleted, PATCH_JUMP);
	InjectHook(0x4BBE60, &CObject::DeleteAllMissionObjects, PATCH_JUMP);
	InjectHook(0x4BBDF0, &CObject::DeleteAllTempObjects, PATCH_JUMP);
	InjectHook(0x4BBED0, &CObject::DeleteAllTempObjectInArea, PATCH_JUMP);
ENDPATCHES