void CTEParticleRenderer::SimulateParticles( CParticleSimulateIterator *pIterator )
{
StandardParticle_t *pParticle = (StandardParticle_t*)pIterator->GetFirst();
while ( pParticle )
{
// Remove the particle?
SetParticleLifetime(pParticle, GetParticleLifetime(pParticle) - pIterator->GetTimeDelta());
if(GetParticleLifetime(pParticle) < 0)
{
pIterator->RemoveParticle( pParticle );
}
else
{
float ft = pIterator->GetTimeDelta();
float time3 = 15.0 * ft;
float time2 = 10.0 * ft;
float time1 = 5.0 * ft;
float dvel = 4* ft ;
float grav = ft * sv_gravity.GetFloat() * 0.05f;
int (*colorIndex)[3];
int iRamp;
switch(GetParticleType(pParticle))
{
case pt_static:
break;
case pt_fire:
pParticle->m_EffectDataWord += (unsigned short)(time1 * (1 << SIMSHIFT));
iRamp = pParticle->m_EffectDataWord >> SIMSHIFT;
if(iRamp >= 6)
{
pParticle->m_Lifetime = -1;
}
else
{
colorIndex = &ramp3[ iRamp ];
pParticle->SetColor((float)(*colorIndex)[0] / 255.0f, (float)(*colorIndex)[1] / 255.0f, (float)(*colorIndex)[2] / 255.0f);
}
pParticle->m_Velocity[2] += grav;
break;
case pt_explode:
pParticle->m_EffectDataWord += (unsigned short)(time2 * (1 << SIMSHIFT));
iRamp = pParticle->m_EffectDataWord >> SIMSHIFT;
if(iRamp >= 8)
{
pParticle->m_Lifetime = -1;
}
else
{
colorIndex = &ramp1[ iRamp ];
pParticle->SetColor((float)(*colorIndex)[0] / 255.0f, (float)(*colorIndex)[1] / 255.0f, (float)(*colorIndex)[2] / 255.0f);
}
pParticle->m_Velocity = pParticle->m_Velocity + pParticle->m_Velocity * dvel;
pParticle->m_Velocity[2] -= grav;
break;
case pt_explode2:
pParticle->m_EffectDataWord += (unsigned short)(time3 * (1 << SIMSHIFT));
iRamp = pParticle->m_EffectDataWord >> SIMSHIFT;
if(iRamp >= 8)
{
pParticle->m_Lifetime = -1;
}
else
{
colorIndex = &ramp2[ iRamp ];
pParticle->SetColor((float)(*colorIndex)[0] / 255.0f, (float)(*colorIndex)[1] / 255.0f, (float)(*colorIndex)[2] / 255.0f);
}
pParticle->m_Velocity = pParticle->m_Velocity - pParticle->m_Velocity * ft;
pParticle->m_Velocity[2] -= grav;
break;
case pt_grav:
pParticle->m_Velocity[2] -= grav * 20;
break;
case pt_slowgrav:
pParticle->m_Velocity[2] = grav;
break;
case pt_vox_grav:
pParticle->m_Velocity[2] -= grav * 8;
break;
case pt_vox_slowgrav:
pParticle->m_Velocity[2] -= grav * 4;
break;
case pt_blob:
case pt_blob2:
pParticle->m_EffectDataWord += (unsigned short)(time2 * (1 << SIMSHIFT));
iRamp = pParticle->m_EffectDataWord >> SIMSHIFT;
if(iRamp >= SPARK_COLORCOUNT)
{
pParticle->m_EffectDataWord = 0;
iRamp = 0;
}
colorIndex = &gSparkRamp[ iRamp ];
pParticle->SetColor((float)(*colorIndex)[0] / 255.0f, (float)(*colorIndex)[1] / 255.0f, (float)(*colorIndex)[2] / 255.0f);
pParticle->m_Velocity[0] -= pParticle->m_Velocity[0]*0.5*ft;
pParticle->m_Velocity[1] -= pParticle->m_Velocity[1]*0.5*ft;
pParticle->m_Velocity[2] -= grav * 5;
if ( random->RandomInt(0,3) )
{
SetParticleType(pParticle, pt_blob);
pParticle->SetAlpha(0);
}
else
{
SetParticleType(pParticle, pt_blob2);
pParticle->SetAlpha(255.9f);
}
break;
}
// Update position.
pParticle->m_Pos = pParticle->m_Pos + pParticle->m_Velocity * ft;
}
pParticle = (StandardParticle_t*)pIterator->GetNext();
}
}
void PartSysParser::ParseEmitter(const TabFileRecord& record) {
auto systemName = record[COL_PARTSYS_NAME].AsString();
auto& system = mSpecs[tolower(systemName)];
// Create it on demand
if (!system) {
system = std::make_shared<PartSysSpec>(systemName);
}
// Add the emitter
auto emitter = system->CreateEmitter(record[COL_EMITTER_NAME].AsString());
ParseOptionalFloat(record, COL_DELAY, "Delay", [&] (float value) {
emitter->SetDelay(value / 30.0f);
});
ParseLifespan(record, emitter);
ParseParticleLifespan(record, emitter);
ParseParticleRate(record, emitter);
ParseOptionalEnum<PartSysEmitterSpace>(record, COL_EMITTER_SPACE, "emitter space", EmitterSpaceMapping, [&](auto space) {
emitter->SetSpace(space);
});
ParseEmitterNodeName(record, emitter);
ParseOptionalEnum<PartSysCoordSys>(record, COL_EMITTER_COORD_SYS, "emitter coord sys", CoordSysMapping, [&](auto coordSys) {
emitter->SetCoordSys(coordSys);
});
ParseOptionalEnum<PartSysCoordSys>(record, COL_EMITTER_OFFSET_COORD_SYS, "emitter offset coord sys", CoordSysMapping, [&](auto coordSys) {
emitter->SetOffsetCoordSys(coordSys);
});
ParseOptionalEnum<PartSysParticleType>(record, COL_PARTICLE_TYPE, "particle type", ParticleTypeMapping, [&](PartSysParticleType type) {
emitter->SetParticleType(type);
});
ParseOptionalEnum<PartSysBlendMode>(record, COL_BLEND_MODE, "blend mode", BlendModeMapping, [&](auto mode) {
emitter->SetBlendMode(mode);
});
ParseMaterial(record, emitter);
ParseOptionalEnum<PartSysCoordSys>(record, COL_PARTICLE_POS_COORD_SYS, "particle pos coord sys", CoordSysMapping, [&](auto coordSys) {
emitter->SetParticlePosCoordSys(coordSys);
});
ParseOptionalEnum<PartSysCoordSys>(record, COL_PARTICLE_VELOCITY_COORD_SYS, "particle velocity coord sys", CoordSysMapping, [&](auto coordSys) {
emitter->SetParticleVelocityCoordSys(coordSys);
});
ParseOptionalEnum<PartSysParticleSpace>(record, COL_PARTICLE_SPACE, "particle space", ParticleSpaceMapping, [&](auto space) {
emitter->SetParticleSpace(space);
});
ParseMesh(record, emitter);
// Parse the bounding box
ParseOptionalFloat(record, COL_BB_LEFT, "bb left", [&](float val) {
emitter->SetBoxLeft(val);
});
ParseOptionalFloat(record, COL_BB_TOP, "bb top", [&](float val) {
emitter->SetBoxTop(val);
});
ParseOptionalFloat(record, COL_BB_RIGHT, "bb right", [&](float val) {
emitter->SetBoxRight(val);
});
ParseOptionalFloat(record, COL_BB_BOTTOM, "bb bottom", [&](float val) {
emitter->SetBoxBottom(val);
});
for (int paramId = 0; paramId <= part_attractorBlend; paramId++) {
int colIdx = 22 + paramId;
auto col = record[colIdx];
if (col) {
bool success;
std::unique_ptr<PartSysParam> param(ParserParams::Parse((PartSysParamId) paramId,
col,
emitter->GetLifespan(),
emitter->GetParticleLifespan(),
success));
if (success) {
emitter->SetParam((PartSysParamId)paramId, param);
} else {
logger->warn("Unable to parse particle system param {} for particle system {} and emitter {} with value {}",
paramId, systemName, emitter->GetName(), col.AsString());
}
}
}
}
