re3/src/core/Fire.cpp

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#include "common.h"
#include "patcher.h"
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#include "Vector.h"
#include "PlayerPed.h"
#include "Entity.h"
#include "PointLights.h"
#include "Particle.h"
#include "Timer.h"
#include "Vehicle.h"
#include "Shadows.h"
#include "Automobile.h"
#include "World.h"
#include "General.h"
#include "EventList.h"
#include "DamageManager.h"
#include "Ped.h"
#include "Fire.h"
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CFireManager &gFireManager = *(CFireManager*)0x8F31D0;
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CFire::CFire()
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{
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m_bIsOngoing = false;
m_bIsScriptFire = false;
m_bPropagationFlag = true;
m_bAudioSet = true;
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m_vecPos = CVector(0.0f, 0.0f, 0.0f);
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m_pEntity = nil;
m_pSource = nil;
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m_nFiremenPuttingOut = 0;
m_nExtinguishTime = 0;
m_nStartTime = 0;
field_20 = 1;
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m_nNextTimeToAddFlames = 0;
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m_fStrength = 0.8f;
}
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CFire::~CFire() {}
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void
CFire::ProcessFire(void)
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{
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float fDamagePlayer;
float fDamagePeds;
float fDamageVehicle;
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int8 nRandNumber;
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float fGreen;
float fRed;
CVector lightpos;
CVector firePos;
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CPed *ped = (CPed *)m_pEntity;
CVehicle *veh = (CVehicle*)m_pEntity;
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if (m_pEntity) {
m_vecPos = m_pEntity->GetPosition();
if (((CPed *)m_pEntity)->IsPed()) {
if (ped->m_pFire != this) {
Extinguish();
return;
}
if (ped->m_nMoveState != PEDMOVE_RUN)
m_vecPos.z -= 1.0f;
if (ped->bInVehicle && ped->m_pMyVehicle) {
if (ped->m_pMyVehicle->IsCar())
ped->m_pMyVehicle->m_fHealth = 75.0f;
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} else if (m_pEntity == (CPed *)FindPlayerPed()) {
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fDamagePlayer = 1.2f * CTimer::GetTimeStep();
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((CPlayerPed *)m_pEntity)->InflictDamage(
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(CPlayerPed *)m_pSource, WEAPONTYPE_FLAMETHROWER,
fDamagePlayer, PEDPIECE_TORSO, 0);
} else {
fDamagePeds = 1.2f * CTimer::GetTimeStep();
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if (((CPlayerPed *)m_pEntity)->InflictDamage(
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(CPlayerPed *)m_pSource, WEAPONTYPE_FLAMETHROWER,
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fDamagePeds, PEDPIECE_TORSO, 0)) {
m_pEntity->bRenderScorched = true;
}
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}
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} else if (m_pEntity->IsVehicle()) {
if (veh->m_pCarFire != this) {
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Extinguish();
return;
}
if (!m_bIsScriptFire) {
fDamageVehicle = 1.2f * CTimer::GetTimeStep();
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veh->InflictDamage((CVehicle *)m_pSource, WEAPONTYPE_FLAMETHROWER, fDamageVehicle);
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}
}
}
if (!FindPlayerVehicle() && !FindPlayerPed()->m_pFire && !(FindPlayerPed()->bFireProof)
&& ((FindPlayerPed()->GetPosition() - m_vecPos).MagnitudeSqr() < 2.0f)) {
FindPlayerPed()->DoStuffToGoOnFire();
gFireManager.StartFire(FindPlayerPed(), m_pSource, 0.8f, 1);
}
if (CTimer::GetTimeInMilliseconds() > m_nNextTimeToAddFlames) {
m_nNextTimeToAddFlames = CTimer::GetTimeInMilliseconds() + 80;
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firePos = m_vecPos;
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if (veh && veh->IsVehicle() && veh->IsCar()) {
CVehicleModelInfo *mi = ((CVehicleModelInfo*)CModelInfo::GetModelInfo(veh->GetModelIndex()));
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CVector ModelInfo = mi->m_positions[CAR_POS_HEADLIGHTS];
ModelInfo = m_pEntity->GetMatrix() * ModelInfo;
firePos.x = ModelInfo.x;
firePos.y = ModelInfo.y;
firePos.z = ModelInfo.z + 0.15f;
}
CParticle::AddParticle(PARTICLE_CARFLAME, firePos,
CVector(0.0f, 0.0f, CGeneral::GetRandomNumberInRange(0.0125f, 0.1f) * m_fStrength),
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0, m_fStrength, 0, 0, 0, 0);
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rand(); rand(); rand(); /* unsure why these three rands are called */
CParticle::AddParticle(PARTICLE_CARFLAME_SMOKE, firePos,
CVector(0.0f, 0.0f, 0.0f), 0, 0.0, 0, 0, 0, 0);
}
if (CTimer::GetTimeInMilliseconds() < m_nExtinguishTime || m_bIsScriptFire) {
if (CTimer::GetTimeInMilliseconds() > m_nStartTime)
m_nStartTime = CTimer::GetTimeInMilliseconds() + 400;
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nRandNumber = CGeneral::GetRandomNumber() & 127;
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lightpos.x = m_vecPos.x;
lightpos.y = m_vecPos.y;
lightpos.z = m_vecPos.z + 5.0f;
if (!m_pEntity) {
CShadows::StoreStaticShadow((uint32)this, SHADOWTYPE_ADDITIVE, gpShadowExplosionTex, &lightpos,
7.0, 0.0, 0.0, -7.0, 0, nRandNumber / 2, nRandNumber / 2,
0, 10.0, 1.0, 40.0, 0, 0.0);
}
fGreen = nRandNumber / 128;
fRed = nRandNumber / 128;
CPointLights::AddLight(0, m_vecPos, CVector(0.0f, 0.0f, 0.0f),
12.0, fRed, fGreen, 0, 0, 0);
} else {
Extinguish();
}
}
void
CFire::ReportThisFire(void)
{
gFireManager.m_nTotalFires++;
CEventList::RegisterEvent(EVENT_FIRE, m_vecPos, 1000);
}
void
CFire::Extinguish(void)
{
if (m_bIsOngoing) {
if (!m_bIsScriptFire)
gFireManager.m_nTotalFires--;
m_nExtinguishTime = 0;
m_bIsOngoing = false;
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if (m_pEntity) {
if (m_pEntity->IsPed()) {
((CPed *)m_pEntity)->RestorePreviousState();
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((CPed *)m_pEntity)->m_pFire = nil;
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} else if (m_pEntity->IsVehicle()) {
((CVehicle *)m_pEntity)->m_pCarFire = nil;
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}
m_pEntity = nil;
}
}
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}
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void
CFireManager::StartFire(CVector pos, float size, bool propagation)
{
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CFire *fire = GetNextFreeFire();
if (fire) {
fire->m_bIsOngoing = true;
fire->m_bIsScriptFire = false;
fire->m_bPropagationFlag = propagation;
fire->m_bAudioSet = true;
fire->m_vecPos = pos;
fire->m_nExtinguishTime = CTimer::GetTimeInMilliseconds() + 10000;
fire->m_nStartTime = CTimer::GetTimeInMilliseconds() + 400;
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fire->m_pEntity = nil;
fire->m_pSource = nil;
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fire->m_nNextTimeToAddFlames = 0;
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fire->ReportThisFire();
fire->m_fStrength = size;
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}
}
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CFire *
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CFireManager::StartFire(CEntity *entityOnFire, CEntity *fleeFrom, float strength, bool propagation)
{
CPed *ped = (CPed *)entityOnFire;
CVehicle *veh = (CVehicle *)entityOnFire;
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if (entityOnFire->IsPed()) {
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if (ped->m_pFire)
return nil;
if (!ped->IsPedInControl())
return nil;
} else if (entityOnFire->IsVehicle()) {
if (veh->m_pCarFire)
return nil;
if (veh->IsCar() && ((CAutomobile *)veh)->Damage.GetEngineStatus() >= 225)
return nil;
}
CFire *fire = GetNextFreeFire();
if (fire) {
if (entityOnFire->IsPed()) {
ped->m_pFire = fire;
if (ped != FindPlayerPed()) {
if (fleeFrom) {
ped->SetFlee(fleeFrom, 10000);
} else {
CVector2D pos = entityOnFire->GetPosition();
ped->SetFlee(pos, 10000);
ped->m_fleeFrom = nil;
}
ped->bDrawLast = false;
ped->SetMoveState(PEDMOVE_SPRINT);
ped->SetMoveAnim();
ped->m_nPedState = PED_ON_FIRE;
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}
if (fleeFrom) {
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if (ped->m_nPedType == PEDTYPE_COP) {
CEventList::RegisterEvent(EVENT_COP_SET_ON_FIRE, EVENT_ENTITY_PED,
entityOnFire, (CPed *)fleeFrom, 10000);
} else {
CEventList::RegisterEvent(EVENT_PED_SET_ON_FIRE, EVENT_ENTITY_PED,
entityOnFire, (CPed *)fleeFrom, 10000);
}
}
} else {
if (entityOnFire->IsVehicle()) {
veh->m_pCarFire = fire;
if (fleeFrom) {
CEventList::RegisterEvent(EVENT_CAR_SET_ON_FIRE, EVENT_ENTITY_VEHICLE,
entityOnFire, (CPed *)fleeFrom, 10000);
}
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}
}
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fire->m_bIsOngoing = true;
fire->m_bIsScriptFire = false;
fire->m_vecPos = entityOnFire->GetPosition();
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if (entityOnFire && entityOnFire->IsPed() && ped->IsPlayer()) {
fire->m_nExtinguishTime = CTimer::GetTimeInMilliseconds() + 3333;
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} else if (entityOnFire->IsVehicle()) {
fire->m_nExtinguishTime = CTimer::GetTimeInMilliseconds() + CGeneral::GetRandomNumberInRange(4000, 5000);
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} else {
fire->m_nExtinguishTime = CTimer::GetTimeInMilliseconds() + CGeneral::GetRandomNumberInRange(10000, 11000);
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}
fire->m_nStartTime = CTimer::GetTimeInMilliseconds() + 400;
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fire->m_pEntity = entityOnFire;
entityOnFire->RegisterReference(&fire->m_pEntity);
fire->m_pSource = fleeFrom;
if (fleeFrom)
fleeFrom->RegisterReference(&fire->m_pSource);
fire->ReportThisFire();
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fire->m_nNextTimeToAddFlames = 0;
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fire->m_fStrength = strength;
fire->m_bPropagationFlag = propagation;
fire->m_bAudioSet = true;
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}
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return fire;
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}
void
CFireManager::Update(void)
{
for (int i = 0; i < NUM_FIRES; i++) {
if (m_aFires[i].m_bIsOngoing)
m_aFires[i].ProcessFire();
}
}
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CFire* CFireManager::FindNearestFire(CVector vecPos, float *pDistance)
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{
for (int i = 0; i < MAX_FIREMEN_ATTENDING; i++) {
int fireId = -1;
float minDistance = 999999;
for (int j = 0; j < NUM_FIRES; j++) {
if (!m_aFires[j].m_bIsOngoing)
continue;
if (m_aFires[j].m_bIsScriptFire)
continue;
if (m_aFires[j].m_nFiremenPuttingOut != i)
continue;
float distance = (m_aFires[j].m_vecPos - vecPos).Magnitude2D();
if (distance < minDistance) {
minDistance = distance;
fireId = j;
}
}
*pDistance = minDistance;
if (fireId != -1)
return &m_aFires[fireId];
}
return nil;
}
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CFire *
CFireManager::FindFurthestFire_NeverMindFireMen(CVector coords, float minRange, float maxRange)
{
int furthestFire = -1;
float lastFireDist = 0.0;
float fireDist;
for (int i = 0; i < NUM_FIRES; i++) {
if (m_aFires[i].m_bIsOngoing && !m_aFires[i].m_bIsScriptFire) {
fireDist = (m_aFires[i].m_vecPos - coords).Magnitude2D();
if (fireDist > minRange && fireDist < maxRange && fireDist > lastFireDist) {
lastFireDist = fireDist;
furthestFire = i;
}
}
}
if (furthestFire == -1)
return nil;
else
return &m_aFires[furthestFire];
}
CFire *
CFireManager::GetNextFreeFire(void)
{
for (int i = 0; i < NUM_FIRES; i++) {
if (!m_aFires[i].m_bIsOngoing && !m_aFires[i].m_bIsScriptFire)
return &m_aFires[i];
}
return nil;
}
uint32
CFireManager::GetTotalActiveFires(void) const
{
return m_nTotalFires;
}
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void
CFireManager::ExtinguishPoint(CVector point, float range)
{
for (int i = 0; i < NUM_FIRES; i++) {
if (m_aFires[i].m_bIsOngoing) {
if ((point - m_aFires[i].m_vecPos).MagnitudeSqr() < sq(range))
m_aFires[i].Extinguish();
}
}
}
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int32
CFireManager::StartScriptFire(const CVector &pos, CEntity *target, float strength, bool propagation)
{
CFire *fire;
CPed *ped = (CPed *)target;
CVehicle *veh = (CVehicle *)target;
if (target) {
if (target->IsPed()) {
if (ped->m_pFire)
ped->m_pFire->Extinguish();
} else if (target->IsVehicle()) {
if (veh->m_pCarFire)
veh->m_pCarFire->Extinguish();
if (veh->IsCar() && ((CAutomobile *)veh)->Damage.GetEngineStatus() >= 225) {
((CAutomobile *)veh)->Damage.SetEngineStatus(215);
}
}
}
fire = GetNextFreeFire();
fire->m_bIsOngoing = true;
fire->m_bIsScriptFire = true;
fire->m_bPropagationFlag = propagation;
fire->m_bAudioSet = true;
fire->m_vecPos = pos;
fire->m_nStartTime = CTimer::GetTimeInMilliseconds() + 400;
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fire->m_pEntity = target;
if (target)
target->RegisterReference(&fire->m_pEntity);
fire->m_pSource = nil;
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fire->m_nNextTimeToAddFlames = 0;
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fire->m_fStrength = strength;
if (target) {
if (target->IsPed()) {
ped->m_pFire = fire;
if (target != (CVehicle *)FindPlayerPed()) {
CVector2D pos = target->GetPosition();
ped->SetFlee(pos, 10000);
ped->SetMoveAnim();
ped->m_nPedState = PED_ON_FIRE;
}
} else if (target->IsVehicle()) {
veh->m_pCarFire = fire;
}
}
return fire - m_aFires;
}
bool
CFireManager::IsScriptFireExtinguish(int16 index)
{
return (!m_aFires[index].m_bIsOngoing) ? true : false;
}
void
CFireManager::RemoveAllScriptFires(void)
{
for (int i = 0; i < NUM_FIRES; i++) {
if (m_aFires[i].m_bIsScriptFire) {
m_aFires[i].Extinguish();
m_aFires[i].m_bIsScriptFire = false;
}
}
}
void
CFireManager::RemoveScriptFire(int16 index)
{
m_aFires[index].Extinguish();
m_aFires[index].m_bIsScriptFire = false;
}
void
CFireManager::SetScriptFireAudio(int16 index, bool state)
{
m_aFires[index].m_bAudioSet = state;
}
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STARTPATCHES
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InjectHook(0x4798D0, &CFire::ProcessFire, PATCH_JUMP);
InjectHook(0x4798B0, &CFire::ReportThisFire, PATCH_JUMP);
InjectHook(0x479D40, &CFire::Extinguish, PATCH_JUMP);
InjectHook(0x479500, (void(CFireManager::*)(CVector pos, float size, bool propagation))&CFireManager::StartFire, PATCH_JUMP);
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InjectHook(0x479590, (CFire *(CFireManager::*)(CEntity *, CEntity *, float, bool))&CFireManager::StartFire, PATCH_JUMP);
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InjectHook(0x479310, &CFireManager::Update, PATCH_JUMP);
InjectHook(0x479430, &CFireManager::FindFurthestFire_NeverMindFireMen, PATCH_JUMP);
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InjectHook(0x479340, &CFireManager::FindNearestFire, PATCH_JUMP);
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InjectHook(0x4792E0, &CFireManager::GetNextFreeFire, PATCH_JUMP);
InjectHook(0x479DB0, &CFireManager::ExtinguishPoint, PATCH_JUMP);
InjectHook(0x479E60, &CFireManager::StartScriptFire, PATCH_JUMP);
InjectHook(0x479FC0, &CFireManager::IsScriptFireExtinguish, PATCH_JUMP);
InjectHook(0x47A000, &CFireManager::RemoveAllScriptFires, PATCH_JUMP);
InjectHook(0x479FE0, &CFireManager::RemoveScriptFire, PATCH_JUMP);
InjectHook(0x47A040, &CFireManager::SetScriptFireAudio, PATCH_JUMP);
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ENDPATCHES