#include "common.h"
#include "Automobile.h"
#include "Bike.h"
#include "Camera.h"
#include "Coronas.h"
#include "DMAudio.h"
#include "Entity.h"
#include "EventList.h"
#include "Explosion.h"
#include "General.h"
#include "Fire.h"
#include "Pad.h"
#include "Particle.h"
#include "PointLights.h"
#include "Shadows.h"
#include "Timer.h"
#include "Vehicle.h"
#include "WaterLevel.h"
#include "World.h"
CExplosion gaExplosion[NUM_EXPLOSIONS];
// these two were not initialised in original code, I'm really not sure what were they meant to be
RwRGBA colMedExpl = { 0, 0, 0, 0 };
RwRGBA colUpdate = { 0, 0, 0, 0 };
int AudioHandle = AEHANDLE_NONE;
void
CExplosion::Initialise()
{
debug("Initialising CExplosion...\n");
for (int i = 0; i < ARRAY_SIZE(gaExplosion); i++) {
gaExplosion[i].m_ExplosionType = EXPLOSION_GRENADE;
gaExplosion[i].m_vecPosition = CVector(0.0f, 0.0f, 0.0f);
gaExplosion[i].m_fRadius = 1.0f;
gaExplosion[i].m_fPropagationRate = 0.0f;
gaExplosion[i].m_fZshift = 0.0f;
gaExplosion[i].m_pCreatorEntity = nil;
gaExplosion[i].m_pVictimEntity = nil;
gaExplosion[i].m_fStopTime = 0.0f;
gaExplosion[i].m_nIteration = 0;
gaExplosion[i].m_fStartTime = 0.0f;
gaExplosion[i].m_bIsBoat = false;
}
AudioHandle = DMAudio.CreateEntity(AUDIOTYPE_EXPLOSION, (void*)1);
if (AudioHandle >= 0)
DMAudio.SetEntityStatus(AudioHandle, TRUE);
debug("CExplosion ready\n");
}
void
CExplosion::Shutdown()
{
debug("Shutting down CExplosion...\n");
if (AudioHandle >= 0) {
DMAudio.DestroyEntity(AudioHandle);
AudioHandle = AEHANDLE_NONE;
}
debug("CExplosion shut down\n");
}
int8
CExplosion::GetExplosionActiveCounter(uint8 id)
{
return gaExplosion[id].m_nActiveCounter;
}
void
CExplosion::ResetExplosionActiveCounter(uint8 id)
{
gaExplosion[id].m_nActiveCounter = 0;
}
uint8
CExplosion::GetExplosionType(uint8 id)
{
return gaExplosion[id].m_ExplosionType;
}
CVector *
CExplosion::GetExplosionPosition(uint8 id)
{
return &gaExplosion[id].m_vecPosition;
}
bool
CExplosion::AddExplosion(CEntity *explodingEntity, CEntity *culprit, eExplosionType type, const CVector &pos, uint32 lifetime)
{
CVector pPosn;
CVector posGround;
RwRGBA colorMedium = colMedExpl;
bool bDontExplode = false;
const RwRGBA color = { 160, 160, 160, 255 };
pPosn = pos;
pPosn.z += 5.0f;
#ifdef FIX_BUGS
CShadows::AddPermanentShadow(SHADOWTEX_CAR, gpShadowHeliTex, &pPosn, 8.0f, 0.0f, 0.0f, -8.0f, 200, 0, 0, 0, 10.0f, 30000, 1.0f);
#else
// last two arguments are swapped resulting in no shadow
CShadows::AddPermanentShadow(SHADOWTEX_CAR, gpShadowHeliTex, &pPosn, 8.0f, 0.0f, 0.0f, -8.0f, 200, 0, 0, 0, 10.0f, 1, 30000.0f);
#endif
int n = 0;
#ifdef FIX_BUGS
while (n < ARRAY_SIZE(gaExplosion) && gaExplosion[n].m_nIteration != 0)
#else
// array overrun is UB
while (gaExplosion[n].m_nIteration != 0 && n < ARRAY_SIZE(gaExplosion))
#endif
n++;
if (n == ARRAY_SIZE(gaExplosion))
return false;
CExplosion &explosion = gaExplosion[n];
explosion.m_ExplosionType = type;
explosion.m_vecPosition = pos;
explosion.m_fRadius = 1.0f;
explosion.m_fZshift = 0.0f;
explosion.m_pCreatorEntity = culprit;
if (culprit != nil)
culprit->RegisterReference(&explosion.m_pCreatorEntity);
explosion.m_pVictimEntity = explodingEntity;
if (explodingEntity != nil)
explodingEntity->RegisterReference(&explosion.m_pVictimEntity);
explosion.m_nIteration = 1;
explosion.m_nActiveCounter = 1;
explosion.m_bIsBoat = false;
explosion.m_nParticlesExpireTime = lifetime != 0 ? CTimer::GetTimeInMilliseconds() + lifetime : 0;
switch (type)
{
case EXPLOSION_GRENADE:
explosion.m_fRadius = 9.0f;
explosion.m_fPower = 300.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
posGround = pos;
posGround.z = CWorld::FindGroundZFor3DCoord(posGround.x, posGround.y, posGround.z + 3.0f, nil);
CEventList::RegisterEvent(EVENT_EXPLOSION, posGround, 250);
if (Distance(explosion.m_vecPosition, TheCamera.GetPosition()) < 40.0f)
CParticle::AddParticle(PARTICLE_EXPLOSION_LFAST, explosion.m_vecPosition, CVector(0.0f, 0.0f, 0.0f), nil, 5.5f, color);
break;
case EXPLOSION_MOLOTOV:
{
explosion.m_fRadius = 6.0f;
explosion.m_fPower = 0.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 3000;
explosion.m_fPropagationRate = 0.5f;
posGround = pos;
bool found;
posGround.z = CWorld::FindGroundZFor3DCoord(posGround.x, posGround.y, posGround.z + 3.0f, &found);
if (found) {
float waterLevel;
if (CWaterLevel::GetWaterLevelNoWaves(posGround.x, posGround.y, posGround.z, &waterLevel)
&& posGround.z < waterLevel
&& waterLevel - 6.0f < posGround.z) // some subway/tunnels check?
bDontExplode = true;
else
gFireManager.StartFire(posGround, 1.8f, false);
}
else
bDontExplode = true;
break;
}
case EXPLOSION_ROCKET:
explosion.m_fRadius = 10.0f;
explosion.m_fPower = 300.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
CEventList::RegisterEvent(EVENT_EXPLOSION, pos, 250);
if (Distance(explosion.m_vecPosition, TheCamera.GetPosition()) < 40.0f)
CParticle::AddParticle(PARTICLE_EXPLOSION_LFAST, explosion.m_vecPosition, CVector(0.0f, 0.0f, 0.0f), nil, 5.5f, color);
break;
case EXPLOSION_CAR:
case EXPLOSION_CAR_QUICK:
explosion.m_fRadius = 9.0f;
explosion.m_fPower = 300.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 4250;
explosion.m_fPropagationRate = 0.5f;
explosion.m_fStartTime = CTimer::GetTimeInMilliseconds();
if (explosion.m_pVictimEntity != nil) {
if (explosion.m_pVictimEntity->IsVehicle() && ((CVehicle*)explosion.m_pVictimEntity)->IsBoat())
explosion.m_bIsBoat = true;
CEventList::RegisterEvent(EVENT_EXPLOSION, EVENT_ENTITY_VEHICLE, explosion.m_pVictimEntity, nil, 1000);
} else
CEventList::RegisterEvent(EVENT_EXPLOSION, pos, 1000);
if (explosion.m_pVictimEntity != nil && !explosion.m_bIsBoat) {
int rn = (CGeneral::GetRandomNumber() & 1) + 2;
for (int i = 0; i < rn; i++) {
CParticle::AddParticle(PARTICLE_EXPLOSION_MEDIUM, explosion.m_pVictimEntity->GetPosition(), CVector(0.0f, 0.0f, 0.0f), nil, 3.5f, colMedExpl);
CParticle::AddParticle(PARTICLE_EXPLOSION_LFAST, explosion.m_pVictimEntity->GetPosition(), CVector(0.0f, 0.0f, 0.0f), nil, 5.5f, color);
}
CVehicle *veh = (CVehicle*)explosion.m_pVictimEntity;
int32 component = CAR_WING_LR;
// miami leftover
if (veh->IsBike())
component = BIKE_FORKS_REAR;
if (veh->IsComponentPresent(component)) {
CVector componentPos;
veh->GetComponentWorldPosition(component, componentPos);
rn = (CGeneral::GetRandomNumber() & 1) + 1;
for (int i = 0; i < rn; i++)
CParticle::AddJetExplosion(componentPos, 1.4f, 0.0f);
}
}
break;
case EXPLOSION_HELI:
explosion.m_fRadius = 6.0f;
explosion.m_fPower = 300.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
explosion.m_fStartTime = CTimer::GetTimeInMilliseconds();
for (int i = 0; i < 10; i++) {
CVector randpos;
uint8 x, y, z;
x = CGeneral::GetRandomNumber();
y = CGeneral::GetRandomNumber();
z = CGeneral::GetRandomNumber();
randpos = pos + CVector(x - 128, y - 128, z - 128) / 20.0f;
CParticle::AddParticle(PARTICLE_EXPLOSION_MFAST, randpos, CVector(0.0f, 0.0f, 0.0f), nil, 2.5f, color);
x = CGeneral::GetRandomNumber();
y = CGeneral::GetRandomNumber();
z = CGeneral::GetRandomNumber();
randpos = pos + CVector(x - 128, y - 128, z - 128) / 20.0f;
CParticle::AddParticle(PARTICLE_EXPLOSION_LFAST, randpos, CVector(0.0f, 0.0f, 0.0f), nil, 5.0f, color);
x = CGeneral::GetRandomNumber();
y = CGeneral::GetRandomNumber();
z = CGeneral::GetRandomNumber();
randpos = pos + CVector(x - 128, y - 128, z - 128) / 20.0f;
CParticle::AddJetExplosion(randpos, 1.4f, 3.0f);
}
CEventList::RegisterEvent(EVENT_EXPLOSION, pos, 1000);
break;
case EXPLOSION_MINE:
explosion.m_fRadius = 10.0f;
explosion.m_fPower = 150.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
posGround = pos;
//posGround.z =
CWorld::FindGroundZFor3DCoord(pos.x, pos.y, pos.z + 4.0f, nil); // BUG? result is unused
CEventList::RegisterEvent(EVENT_EXPLOSION, posGround, 250);
break;
case EXPLOSION_BARREL:
explosion.m_fRadius = 7.0f;
explosion.m_fPower = 150.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
for (int i = 0; i < 6; i++) {
CVector randpos;
uint8 x, y, z;
x = CGeneral::GetRandomNumber();
y = CGeneral::GetRandomNumber();
z = CGeneral::GetRandomNumber();
randpos = CVector(x - 128, y - 128, z - 128);
randpos.x /= 50.0f;
randpos.y /= 50.0f;
randpos.z /= 25.0f;
randpos += pos;
CParticle::AddParticle(PARTICLE_EXPLOSION_MEDIUM, randpos, CVector(0.0f, 0.0f, 0.0f), nil, 0.0f, colorMedium);
}
posGround = pos;
//posGround.z =
CWorld::FindGroundZFor3DCoord(pos.x, pos.y, pos.z + 4.0f, nil); // BUG? result is unused
CEventList::RegisterEvent(EVENT_EXPLOSION, posGround, 250);
break;
case EXPLOSION_TANK_GRENADE:
explosion.m_fRadius = 10.0f;
explosion.m_fPower = 150.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
posGround = pos;
//posGround.z =
CWorld::FindGroundZFor3DCoord(pos.x, pos.y, pos.z + 4.0f, nil); // BUG? result is unused
CEventList::RegisterEvent(EVENT_EXPLOSION, posGround, 250);
break;
case EXPLOSION_HELI_BOMB:
explosion.m_fRadius = 8.0f;
explosion.m_fPower = 50.0f;
explosion.m_fStopTime = lifetime + CTimer::GetTimeInMilliseconds() + 750;
explosion.m_fPropagationRate = 0.5f;
posGround = pos;
//posGround.z =
CWorld::FindGroundZFor3DCoord(pos.x, pos.y, pos.z + 4.0f, nil); // BUG? result is unused
CEventList::RegisterEvent(EVENT_EXPLOSION, posGround, 250);
break;
}
if (bDontExplode) {
explosion.m_nIteration = 0;
return false;
}
if (explosion.m_fPower != 0.0f && explosion.m_nParticlesExpireTime == 0)
CWorld::TriggerExplosion(pos, explosion.m_fRadius, explosion.m_fPower, culprit, (type == EXPLOSION_ROCKET || type == EXPLOSION_CAR_QUICK || type == EXPLOSION_MINE || type == EXPLOSION_BARREL || type == EXPLOSION_TANK_GRENADE || type == EXPLOSION_HELI_BOMB));
TheCamera.CamShake(0.6f, pos.x, pos.y, pos.z);
CPad::GetPad(0)->StartShake_Distance(300, 128, pos.x, pos.y, pos.z);
return true;
}
void
CExplosion::Update()
{
RwRGBA color = colUpdate;
for (int i = 0; i < ARRAY_SIZE(gaExplosion); i++) {
CExplosion &explosion = gaExplosion[i];
if (explosion.m_nIteration == 0) continue;
if (explosion.m_nParticlesExpireTime != 0) {
if (CTimer::GetTimeInMilliseconds() > explosion.m_nParticlesExpireTime) {
explosion.m_nParticlesExpireTime = 0;
if (explosion.m_fPower != 0.0f)
CWorld::TriggerExplosion(explosion.m_vecPosition, explosion.m_fRadius, explosion.m_fPower, explosion.m_pCreatorEntity, (explosion.m_ExplosionType == EXPLOSION_ROCKET || explosion.m_ExplosionType == EXPLOSION_CAR_QUICK || explosion.m_ExplosionType == EXPLOSION_MINE || explosion.m_ExplosionType == EXPLOSION_BARREL || explosion.m_ExplosionType == EXPLOSION_TANK_GRENADE || explosion.m_ExplosionType == EXPLOSION_HELI_BOMB));
}
} else {
explosion.m_fRadius += explosion.m_fPropagationRate * CTimer::GetTimeStep();
int32 someTime = explosion.m_fStopTime - CTimer::GetTimeInMilliseconds();
switch (explosion.m_ExplosionType)
{
case EXPLOSION_GRENADE:
case EXPLOSION_ROCKET:
case EXPLOSION_HELI:
case EXPLOSION_MINE:
case EXPLOSION_BARREL:
if (CTimer::GetFrameCounter() & 1) {
CPointLights::AddLight(CPointLights::LIGHT_POINT, explosion.m_vecPosition, CVector(0.0f, 0.0f, 0.0f), 20.0f, 1.0f, 1.0f, 0.5f, CPointLights::FOG_NONE, true);
CCoronas::RegisterCorona((uintptr)&explosion, 255, 255, 200, 255, explosion.m_vecPosition, 8.0f, 120.0f, gpCoronaTexture[0], CCoronas::TYPE_NORMAL, CCoronas::REFLECTION_ON, CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
} else
CCoronas::RegisterCorona((uintptr)&explosion, 128, 128, 100, 255, explosion.m_vecPosition, 8.0f, 120.0f, gpCoronaTexture[0], CCoronas::TYPE_NORMAL, CCoronas::REFLECTION_ON, CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
CCoronas::RegisterCorona((uintptr)&explosion + 1, 30, 30, 25, 255, explosion.m_vecPosition, explosion.m_fRadius, 120.0f, gpCoronaTexture[7], CCoronas::TYPE_STAR, CCoronas::REFLECTION_OFF, CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
break;
case EXPLOSION_MOLOTOV:
CWorld::SetPedsOnFire(explosion.m_vecPosition.x, explosion.m_vecPosition.y, explosion.m_vecPosition.z, 6.0f, explosion.m_pCreatorEntity);
CWorld::SetCarsOnFire(explosion.m_vecPosition.x, explosion.m_vecPosition.y, explosion.m_vecPosition.z, 6.0f, explosion.m_pCreatorEntity);
if (explosion.m_nIteration < 10) {
if (explosion.m_nIteration == 1) {
CVector point1 = explosion.m_vecPosition;
point1.z += 5.0f;
CColPoint colPoint;
CEntity *pEntity;
CWorld::ProcessVerticalLine(point1, -1000.0f, colPoint, pEntity, true, false, false, false, true, false, nil);
explosion.m_fZshift = colPoint.point.z;
}
float ff = ((float)explosion.m_nIteration * 0.55f);
for (int i = 0; i < 5 * ff; i++) {
float angle = CGeneral::GetRandomNumber() / 256.0f * 6.28f;
CVector pos = explosion.m_vecPosition;
pos.x += ff * Sin(angle);
pos.y += ff * Cos(angle);
pos.z += 5.0f; // what is the point of this?
pos.z = explosion.m_fZshift + 0.5f;
CParticle::AddParticle(PARTICLE_EXPLOSION_MEDIUM, pos, CVector(0.0f, 0.0f, 0.0f), nil, 0.0f, color, CGeneral::GetRandomNumberInRange(-3.0f, 3.0f), CGeneral::GetRandomNumberInRange(-180.0f, 180.0f));
}
}
break;
case EXPLOSION_CAR:
case EXPLOSION_CAR_QUICK:
if (someTime >= 3500) {
if (explosion.m_pVictimEntity != nil && !explosion.m_bIsBoat) {
if ((CGeneral::GetRandomNumber() & 0xF) == 0) {
CVehicle *veh = (CVehicle*)explosion.m_pVictimEntity;
uint8 component = CAR_WING_LR;
// miami leftover
if (veh->IsBike())
component = BIKE_FORKS_REAR;
if (veh->IsComponentPresent(component)) {
CVector componentPos;
veh->GetComponentWorldPosition(component, componentPos);
CParticle::AddJetExplosion(componentPos, 1.5f, 0.0f);
}
}
if (CTimer::GetTimeInMilliseconds() > explosion.m_fStartTime) {
explosion.m_fStartTime = CTimer::GetTimeInMilliseconds() + 125 + (CGeneral::GetRandomNumber() & 0x7F);
CVector pos = explosion.m_pVictimEntity->GetPosition();
for (int i = 0; i < (CGeneral::GetRandomNumber() & 1) + 1; i++) {
CParticle::AddParticle(PARTICLE_EXPLOSION_MEDIUM, pos, CVector(0.0f, 0.0f, 0.0f), nil, 3.5f, color);
CParticle::AddParticle(PARTICLE_EXPLOSION_LARGE, pos, CVector(0.0f, 0.0f, 0.0f), nil, 5.5f, color);
}
}
}
if (CTimer::GetFrameCounter() & 1) {
CPointLights::AddLight(CPointLights::LIGHT_POINT, explosion.m_vecPosition, CVector(0.0f, 0.0f, 0.0f), 15.0f, 1.0f, 0.0f, 0.0f, CPointLights::FOG_NONE, true);
CCoronas::RegisterCorona((uintptr)&explosion, 200, 100, 0, 255, explosion.m_vecPosition, 6.0f, 80.0f, gpCoronaTexture[0], CCoronas::TYPE_NORMAL, CCoronas::REFLECTION_ON, CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
} else
CCoronas::RegisterCorona((uintptr)&explosion, 128, 0, 0, 255, explosion.m_vecPosition, 8.0f, 80.0f, gpCoronaTexture[0], CCoronas::TYPE_NORMAL, CCoronas::REFLECTION_ON, CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
CCoronas::RegisterCorona((uintptr)&explosion + 1, 30, 15, 0, 255, explosion.m_vecPosition, explosion.m_fRadius, 80.0f, gpCoronaTexture[7], CCoronas::TYPE_STAR, CCoronas::REFLECTION_OFF, CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
} else if (explosion.m_nIteration & 1) {
if (explosion.m_pVictimEntity != nil)
CParticle::AddParticle(PARTICLE_ENGINE_SMOKE2, explosion.m_pVictimEntity->GetPosition(), CVector(0.0f, 0.0f, 0.0f), nil, CGeneral::GetRandomNumberInRange(0.5f, 0.8f), color);
CVector pos = explosion.m_vecPosition;
pos.z += 1.0f;
CParticle::AddParticle(PARTICLE_ENGINE_SMOKE2, pos, CVector(0.0f, 0.0f, 0.11f), nil, CGeneral::GetRandomNumberInRange(0.5f, 2.0f), color);
}
break;
case EXPLOSION_TANK_GRENADE:
case EXPLOSION_HELI_BOMB:
if (explosion.m_nIteration < 5) {
float ff = ((float)explosion.m_nIteration * 0.65f);
for (int i = 0; i < 10 * ff; i++) {
uint8 x = CGeneral::GetRandomNumber(), y = CGeneral::GetRandomNumber(), z = CGeneral::GetRandomNumber();
CVector pos(x - 128, y - 128, (z % 128) + 1);
pos.Normalise();
pos *= ff / 5.0f;
pos += explosion.m_vecPosition;
pos.z += 0.5f;
CParticle::AddParticle(PARTICLE_EXPLOSION_LARGE, pos, CVector(0.0f, 0.0f, 0.0f), nil, 0.0f, color, CGeneral::GetRandomNumberInRange(-3.0f, 3.0f), CGeneral::GetRandomNumberInRange(-180.0f, 180.0f));
}
}
break;
}
if (someTime > 0)
explosion.m_nIteration++;
else
explosion.m_nIteration = 0;
}
}
}
bool
CExplosion::TestForExplosionInArea(eExplosionType type, float x1, float x2, float y1, float y2, float z1, float z2)
{
for (int i = 0; i < ARRAY_SIZE(gaExplosion); i++) {
if (gaExplosion[i].m_nIteration != 0) {
if (type == gaExplosion[i].m_ExplosionType) {
if (gaExplosion[i].m_vecPosition.x >= x1 && gaExplosion[i].m_vecPosition.x <= x2) {
if (gaExplosion[i].m_vecPosition.y >= y1 && gaExplosion[i].m_vecPosition.y <= y2) {
if (gaExplosion[i].m_vecPosition.z >= z1 && gaExplosion[i].m_vecPosition.z <= z2)
return true;
}
}
}
}
}
return false;
}
void
CExplosion::RemoveAllExplosionsInArea(CVector pos, float radius)
{
for (int i = 0; i < ARRAY_SIZE(gaExplosion); i++) {
if (gaExplosion[i].m_nIteration != 0) {
if ((pos - gaExplosion[i].m_vecPosition).MagnitudeSqr() < SQR(radius))
gaExplosion[i].m_nIteration = 0;
}
}
}
