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metaforce/Runtime/Particle/CElementGen.cpp

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#include "Runtime/Particle/CElementGen.hpp"
#include "Runtime/GameGlobalObjects.hpp"
#include "Runtime/Character/CActorLights.hpp"
#include "Runtime/Graphics/CBooRenderer.hpp"
#include "Runtime/Graphics/CModel.hpp"
#include "Runtime/Graphics/Shaders/CElementGenShaders.hpp"
#include "Runtime/Particle/CElectricDescription.hpp"
#include "Runtime/Particle/CGenDescription.hpp"
#include "Runtime/Particle/CParticleGlobals.hpp"
#include "Runtime/Particle/CParticleElectric.hpp"
#include "Runtime/Particle/CParticleSwoosh.hpp"
#include "Runtime/Particle/CSwooshDescription.hpp"
#include "Runtime/Particle/CWarp.hpp"
#define MAX_GLOBAL_PARTICLES 2560
namespace metaforce {
namespace {
logvisor::Module Log("metaforce::CElementGen");
constexpr std::array ShadClsSizes{
sizeof(SParticleInstanceTex),
sizeof(SParticleInstanceIndTex),
sizeof(SParticleInstanceNoTex),
};
} // Anonymous namespace
u16 CElementGen::g_GlobalSeed = 99;
bool CElementGen::g_subtractBlend = false;
int CElementGen::g_ParticleAliveCount;
int CElementGen::g_ParticleSystemAliveCount;
bool CElementGen::g_ParticleSystemInitialized = false;
bool CElementGen::sMoveRedToAlphaBuffer = false;
CParticle* CElementGen::g_currentParticle = nullptr;
std::vector<SParticleInstanceTex> g_instTexData;
std::vector<SParticleInstanceIndTex> g_instIndTexData;
std::vector<SParticleInstanceNoTex> g_instNoTexData;
void CElementGen::Initialize() {
if (g_ParticleSystemInitialized)
return;
g_ParticleAliveCount = 0;
g_ParticleSystemAliveCount = 0;
g_ParticleSystemInitialized = true;
/* Compile shaders */
CElementGenShaders::Initialize();
}
void CElementGen::Shutdown() { CElementGenShaders::Shutdown(); }
CElementGen::CElementGen(TToken<CGenDescription> gen, EModelOrientationType orientType, EOptionalSystemFlags flags)
: x1c_genDesc(std::move(gen))
, x2c_orientType(orientType)
, x26d_27_enableOPTS(True(flags & EOptionalSystemFlags::Two))
, x27c_randState(x94_randomSeed) {
CGenDescription* desc = x1c_genDesc.GetObj();
x28_loadedGenDesc = desc;
if (desc->x54_x40_TEXR)
desc->x54_x40_TEXR->GetValueTexture(0).GetObj();
if (desc->x58_x44_TIND)
desc->x58_x44_TIND->GetValueTexture(0).GetObj();
CGlobalRandom globRnd(x27c_randState);
if (CIntElement* seedElem = desc->x1c_x10_SEED.get()) {
int seedVal;
seedElem->GetValue(x74_curFrame, seedVal);
x94_randomSeed = seedVal;
}
x27c_randState.SetSeed(x94_randomSeed);
++g_ParticleSystemAliveCount;
x26c_25_LIT_ = desc->x44_29_x30_29_LIT_;
x26c_26_AAPH = desc->x44_26_x30_26_AAPH;
x26c_27_ZBUF = desc->x44_27_x30_27_ZBUF;
x26c_28_zTest = true;
x26c_29_ORNT = desc->x30_30_ORNT;
x26c_30_MBLR = x26c_29_ORNT ? false : desc->x44_30_x31_24_MBLR;
if (CIntElement* mbspElem = desc->x48_x34_MBSP.get())
mbspElem->GetValue(x74_curFrame, x270_MBSP);
if (CModVectorElement* elem = desc->x7c_x68_VEL1.get()) {
x280_VELSources[0] = elem;
x278_hasVMD[0] = desc->x45_26_x31_28_VMD1;
}
if (CModVectorElement* elem = desc->x80_x6c_VEL2.get()) {
x280_VELSources[1] = elem;
x278_hasVMD[1] = desc->x45_27_x31_29_VMD2;
}
if (CModVectorElement* elem = desc->x84_x70_VEL3.get()) {
x280_VELSources[2] = elem;
x278_hasVMD[2] = desc->x45_28_x31_30_VMD3;
}
if (CModVectorElement* elem = desc->x88_x74_VEL4.get()) {
x280_VELSources[3] = elem;
x278_hasVMD[3] = desc->x45_29_x31_31_VMD4;
}
if (desc->x10c_ADV1 || desc->x110_ADV2 || desc->x114_ADV3 || desc->x118_ADV4 || desc->x11c_ADV5 || desc->x120_ADV6 ||
desc->x124_ADV7 || desc->x128_ADV8)
x26d_28_enableADV = true;
if (CIntElement* cssdElem = desc->xa0_x8c_CSSD.get())
cssdElem->GetValue(0, x2a0_CSSD);
if (CIntElement* pisyElem = desc->xc8_xb4_PISY.get()) {
pisyElem->GetValue(0, x2a8_PISY);
if (x2a8_PISY <= 0)
x2a8_PISY = 1;
}
if (CIntElement* sisyElem = desc->xcc_xb8_SISY.get())
sisyElem->GetValue(0, x2a4_SISY);
if (CIntElement* sssdElem = desc->xe4_xd0_SSSD.get())
sssdElem->GetValue(0, x2ac_SSSD);
if (CVectorElement* sspoElem = desc->xe8_xd4_SSPO.get()) {
sspoElem->GetValue(0, x2b0_SSPO);
if (!sspoElem->IsFastConstant())
x26c_24_translationDirty = true;
}
if (CIntElement* sesdElem = desc->xf8_xe4_SESD.get())
sesdElem->GetValue(0, x2bc_SESD);
if (CVectorElement* sepoElem = desc->xfc_xe8_SEPO.get()) {
sepoElem->GetValue(0, x2c0_SEPO);
if (!sepoElem->IsFastConstant())
x26c_24_translationDirty = true;
}
if (CVectorElement* pofsElem = desc->x18_xc_POFS.get()) {
pofsElem->GetValue(x74_curFrame, xf4_POFS);
if (!pofsElem->IsFastConstant())
x26c_24_translationDirty = true;
}
if (CIntElement* psltElem = desc->xc_x0_PSLT.get())
psltElem->GetValue(0, x268_PSLT);
else
x268_PSLT = INT_MAX;
if (CIntElement* maxpElem = desc->x28_x1c_MAXP.get()) {
maxpElem->GetValue(x74_curFrame, x90_MAXP);
}
s32 count = std::min(256, x90_MAXP);
x30_particles.reserve(count);
if (x26d_28_enableADV) {
x60_advValues.resize(count);
}
if (x2c_orientType == EModelOrientationType::One)
x50_parentMatrices.resize(x90_MAXP);
x26c_31_LINE = desc->x44_24_x30_24_LINE;
x26d_24_FXLL = desc->x44_25_x30_25_FXLL;
if (CIntElement* ltypElem = desc->x100_xec_LTYP.get()) {
int ltyp;
ltypElem->GetValue(x74_curFrame, ltyp);
switch (LightType(ltyp)) {
case LightType::None:
default:
x308_lightType = LightType::None;
break;
case LightType::Directional:
x308_lightType = LightType::Directional;
break;
case LightType::Custom:
x308_lightType = LightType::Custom;
break;
case LightType::Spot:
x308_lightType = LightType::Spot;
break;
}
}
if (CIntElement* lfotElem = desc->x114_x100_LFOT.get()) {
int lfot;
lfotElem->GetValue(x74_curFrame, lfot);
switch (EFalloffType(lfot)) {
case EFalloffType::Constant:
x32c_falloffType = EFalloffType::Constant;
break;
case EFalloffType::Linear:
default:
x32c_falloffType = EFalloffType::Linear;
break;
case EFalloffType::Quadratic:
x32c_falloffType = EFalloffType::Quadratic;
break;
}
}
if (x26c_31_LINE) {
CUVElement* texr = desc->x54_x40_TEXR.get();
boo::ObjToken<boo::ITexture> tex;
if (texr)
tex = texr->GetValueTexture(0).GetObj()->GetBooTexture();
int maxVerts = x90_MAXP;
m_lineRenderer.reset(
new CLineRenderer(CLineRenderer::EPrimitiveMode::Lines, maxVerts * 2, tex, x26c_26_AAPH, x26c_28_zTest));
} else {
m_shaderClass = CElementGenShaders::GetShaderClass(*this);
}
_RecreatePipelines();
CGraphics::CommitResources([&](boo::IGraphicsDataFactory::Context& ctx) {
CElementGenShaders::BuildShaderDataBinding(ctx, *this);
return true;
} BooTrace);
}
CElementGen::~CElementGen() {
--g_ParticleSystemAliveCount;
g_ParticleAliveCount -= x30_particles.size();
}
bool CElementGen::Update(double t) {
s32 oldMax = x90_MAXP;
s32 oldMBSP = x270_MBSP;
CParticleGlobals::SParticleSystem* prevSystem = CParticleGlobals::instance()->m_currentParticleSystem;
CParticleGlobals::SParticleSystem thisSystem{FOURCC('PART'), this};
CParticleGlobals::instance()->m_currentParticleSystem = &thisSystem;
CGenDescription* desc = x1c_genDesc.GetObj();
CIntElement* pswtElem = desc->x10_x4_PSWT.get();
if (pswtElem && !x26d_25_warmedUp) {
int pswt = 0;
pswtElem->GetValue(x74_curFrame, pswt);
// Log.report(logvisor::Info, FMT_STRING("Running warmup on particle system 0x%08x for %d ticks."), desc, pswt);
InternalUpdate((1.f / 60.f) * pswt);
x26d_25_warmedUp = true;
}
bool ret = InternalUpdate(t);
CParticleGlobals::instance()->m_currentParticleSystem = prevSystem;
if (oldMax < x90_MAXP || oldMBSP < x270_MBSP) {
//_RecreatePipelines();
}
return ret;
}
void CElementGen::_RecreatePipelines() {
size_t maxInsts = x26c_30_MBLR ? 2560 * 2 : 2560;//x26c_30_MBLR ? (x270_MBSP * x90_MAXP) : x90_MAXP;
maxInsts = (maxInsts == 0 ? 256 : maxInsts);
CGraphics::CommitResources([&](boo::IGraphicsDataFactory::Context& ctx) {
if (!x26c_31_LINE) {
m_instBuf = ctx.newDynamicBuffer(boo::BufferUse::Vertex, ShadClsSizes[size_t(m_shaderClass)], maxInsts);
m_uniformBuf = ctx.newDynamicBuffer(boo::BufferUse::Uniform, sizeof(SParticleUniforms), 1);
}
if (x28_loadedGenDesc->x45_24_x31_26_PMUS) {
m_instBufPmus = ctx.newDynamicBuffer(boo::BufferUse::Vertex, ShadClsSizes[size_t(m_shaderClass)], maxInsts);
m_uniformBufPmus = ctx.newDynamicBuffer(boo::BufferUse::Uniform, sizeof(SParticleUniforms), 1);
}
return true;
} BooTrace);
}
bool CElementGen::InternalUpdate(double dt) {
CGlobalRandom gr(x27c_randState);
CGenDescription* desc = x1c_genDesc.GetObj();
double dt1 = 1.0 / 60.0;
if (std::fabs(dt - 1.0 / 60.0) >= 1.0 / 60000.0)
dt1 = dt;
double t = x74_curFrame / 60.0;
CParticleGlobals::instance()->SetEmitterTime(x74_curFrame);
if (CRealElement* pstsElem = desc->x14_x8_PSTS.get()) {
float psts;
pstsElem->GetValue(x74_curFrame, psts);
double dt1Scaled = psts * dt1;
dt1 = std::max(0.0, dt1Scaled);
}
x78_curSeconds += dt1;
if (x26c_30_MBLR && dt > 0.0) {
if (CIntElement* mbspElem = desc->x48_x34_MBSP.get())
mbspElem->GetValue(x74_curFrame, x270_MBSP);
}
int frameUpdateCount = 0;
while (t < x78_curSeconds && std::fabs(t - x78_curSeconds) >= 1.0 / 60000.0) {
x2d4_aabbMin.splat(FLT_MAX);
x2e0_aabbMax.splat(-FLT_MAX);
x2ec_maxSize = 0.f;
CParticleGlobals::instance()->SetEmitterTime(x74_curFrame);
UpdateExistingParticles();
CParticleGlobals::instance()->SetParticleLifetime(x268_PSLT);
if (x74_curFrame < x268_PSLT && x88_particleEmission) {
float grte = 0.f;
if (CRealElement* grteElem = desc->x2c_x20_GRTE.get()) {
if (grteElem->GetValue(x74_curFrame, grte)) {
x30_particles.clear();
return true;
}
}
grte = std::max(0.f, grte * x98_generatorRate);
x8c_generatorRemainder += grte;
int genCount = floorf(x8c_generatorRemainder);
x8c_generatorRemainder = x8c_generatorRemainder - genCount;
if (CIntElement* maxpElem = desc->x28_x1c_MAXP.get())
maxpElem->GetValue(x74_curFrame, x90_MAXP);
CreateNewParticles(genCount);
}
if (x26c_24_translationDirty)
UpdatePSTranslationAndOrientation();
if (x308_lightType != LightType::None)
UpdateLightParameters();
UpdateChildParticleSystems(1 / 60.0);
++frameUpdateCount;
++x74_curFrame;
t += 1 / 60.0;
}
if (std::fabs(t - x78_curSeconds) < 1.0 / 60000.0) {
x78_curSeconds = t;
x80_timeDeltaScale = 1.f;
} else {
UpdateChildParticleSystems(dt1 - (frameUpdateCount / 60.0));
x80_timeDeltaScale = 1.f - (t - x78_curSeconds) * 60.f;
}
BuildParticleSystemBounds();
return false;
}
void CElementGen::AccumulateBounds(const zeus::CVector3f& pos, float size) {
x2e0_aabbMax[0] = std::max(pos[0], float(x2e0_aabbMax[0]));
x2e0_aabbMax[1] = std::max(pos[1], float(x2e0_aabbMax[1]));
x2e0_aabbMax[2] = std::max(pos[2], float(x2e0_aabbMax[2]));
x2d4_aabbMin[0] = std::min(pos[0], float(x2d4_aabbMin[0]));
x2d4_aabbMin[1] = std::min(pos[1], float(x2d4_aabbMin[1]));
x2d4_aabbMin[2] = std::min(pos[2], float(x2d4_aabbMin[2]));
x2ec_maxSize = std::max(size, x2ec_maxSize);
}
void CElementGen::UpdateAdvanceAccessParameters(u32 activeParticleCount, s32 particleFrame) {
CGenDescription* desc = x28_loadedGenDesc;
if (activeParticleCount > x60_advValues.size()) {
Log.report(logvisor::Fatal, FMT_STRING("activeParticleCount ({}) > advValues size ({})"),
activeParticleCount, x60_advValues.size());
}
std::array<float, 8>& arr = x60_advValues[activeParticleCount];
CParticleGlobals::instance()->m_particleAccessParameters = &arr;
if (CRealElement* adv1 = desc->x10c_ADV1.get()) {
adv1->GetValue(particleFrame, arr[0]);
}
if (CRealElement* adv2 = desc->x110_ADV2.get()) {
adv2->GetValue(particleFrame, arr[1]);
}
if (CRealElement* adv3 = desc->x114_ADV3.get()) {
adv3->GetValue(particleFrame, arr[2]);
}
if (CRealElement* adv4 = desc->x118_ADV4.get()) {
adv4->GetValue(particleFrame, arr[3]);
}
if (CRealElement* adv5 = desc->x11c_ADV5.get()) {
adv5->GetValue(particleFrame, arr[4]);
}
if (CRealElement* adv6 = desc->x120_ADV6.get()) {
adv6->GetValue(particleFrame, arr[5]);
}
if (CRealElement* adv7 = desc->x124_ADV7.get()) {
adv7->GetValue(particleFrame, arr[6]);
}
if (CRealElement* adv8 = desc->x128_ADV8.get()) {
adv8->GetValue(particleFrame, arr[7]);
}
}
bool CElementGen::UpdateVelocitySource(size_t idx, s32 particleFrame, CParticle& particle) {
bool err;
if (x278_hasVMD[idx]) {
zeus::CVector3f localVel = x208_orientationInverse * particle.x1c_vel;
zeus::CVector3f localPos = x208_orientationInverse * (particle.x4_pos - xdc_translation);
err = x280_VELSources[idx]->GetValue(particleFrame, localVel, localPos);
particle.x1c_vel = x1d8_orientation.rotate(localVel);
particle.x4_pos = x1d8_orientation.rotate(localPos) + xdc_translation;
} else {
err = x280_VELSources[idx]->GetValue(particleFrame, particle.x1c_vel, particle.x4_pos);
}
if (err) {
particle.x0_endFrame = -1;
return true;
}
return false;
}
void CElementGen::UpdateExistingParticles() {
CGenDescription* desc = x1c_genDesc.GetObj();
x25c_activeParticleCount = 0;
CParticleGlobals::instance()->SetEmitterTime(x74_curFrame);
CParticleGlobals::instance()->m_particleAccessParameters = nullptr;
for (auto it = x30_particles.begin(); it != x30_particles.end();) {
CParticle& particle = *it;
if (particle.x0_endFrame < x74_curFrame) {
--g_ParticleAliveCount;
if (it + 1 == x30_particles.end()) {
x30_particles.pop_back();
break;
} else {
particle = x30_particles.back();
if (x2c_orientType == EModelOrientationType::One)
x50_parentMatrices[x25c_activeParticleCount] = x50_parentMatrices[x30_particles.size() - 1];
if (x26d_28_enableADV)
x60_advValues[x25c_activeParticleCount] = x60_advValues[x30_particles.size() - 1];
x30_particles.pop_back();
if (particle.x0_endFrame < x74_curFrame)
continue;
}
}
particle.x10_prevPos = particle.x4_pos;
particle.x4_pos += particle.x1c_vel;
g_currentParticle = &particle;
CParticleGlobals::instance()->SetParticleLifetime(particle.x0_endFrame - particle.x28_startFrame);
const int particleFrame = x74_curFrame - particle.x28_startFrame;
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(particleFrame);
if (x26d_28_enableADV) {
UpdateAdvanceAccessParameters(x25c_activeParticleCount, particleFrame);
}
++x25c_activeParticleCount;
for (size_t i = 0; i < x280_VELSources.size(); ++i) {
if (!x280_VELSources[i]) {
break;
}
UpdateVelocitySource(i, particleFrame, particle);
}
if (x26c_31_LINE) {
if (CRealElement* leng = desc->x20_x14_LENG.get())
leng->GetValue(particleFrame, particle.x2c_lineLengthOrSize);
if (CRealElement* widt = desc->x24_x18_WIDT.get())
widt->GetValue(particleFrame, particle.x30_lineWidthOrRota);
} else {
if (CRealElement* rota = desc->x50_x3c_ROTA.get())
rota->GetValue(particleFrame, particle.x30_lineWidthOrRota);
if (CRealElement* size = desc->x4c_x38_SIZE.get())
size->GetValue(particleFrame, particle.x2c_lineLengthOrSize);
}
if (CColorElement* colr = desc->x30_x24_COLR.get())
colr->GetValue(particleFrame, particle.x34_color);
AccumulateBounds(particle.x4_pos, particle.x2c_lineLengthOrSize);
++it;
}
if (x30_particles.empty())
return;
for (CWarp* warp : x4_modifierList)
if (warp->UpdateWarp())
warp->ModifyParticles(x30_particles);
}
void CElementGen::CreateNewParticles(int count) {
CGenDescription* desc = x1c_genDesc.GetObj();
if (!g_ParticleSystemInitialized) {
Initialize();
}
if (x30_particles.size() >= x90_MAXP) {
return;
}
if (count + x30_particles.size() > x90_MAXP) {
count = x90_MAXP - x30_particles.size();
}
if (g_ParticleAliveCount + count > 2560) {
count = 2560 - g_ParticleAliveCount;
}
CGlobalRandom gr(x27c_randState);
x30_particles.reserve(count + x90_MAXP);
if (x26d_28_enableADV && x60_advValues.capacity() < count + x30_particles.size()) {
x60_advValues.resize(std::min(int(x60_advValues.capacity() * 2), x90_MAXP));
}
CParticleGlobals::instance()->m_particleAccessParameters = nullptr;
for (int i = 0; i < count; ++i) {
CParticle& particle = x30_particles.emplace_back();
++g_ParticleAliveCount;
u32 particleCount = x30_particles.size() - 1;
++x25c_activeParticleCount;
++x260_cumulativeParticles;
if (x2c_orientType == EModelOrientationType::One) {
x50_parentMatrices[x30_particles.size() - 1] = x1d8_orientation.buildMatrix3f();
}
particle.x28_startFrame = x74_curFrame;
if (CIntElement* ltme = desc->x34_x28_LTME.get()) {
ltme->GetValue(0, particle.x0_endFrame);
}
CParticleGlobals::instance()->SetParticleLifetime(particle.x0_endFrame);
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(0);
g_currentParticle = &particle;
if (x26d_28_enableADV) {
UpdateAdvanceAccessParameters(particleCount, 0);
}
particle.x0_endFrame += x74_curFrame;
if (CColorElement* colr = desc->x30_x24_COLR.get()) {
colr->GetValue(0, particle.x34_color);
} else {
particle.x34_color = zeus::skWhite;
}
if (CEmitterElement* emtr = desc->x40_x2c_EMTR.get()) {
emtr->GetValue(x74_curFrame, particle.x4_pos, particle.x1c_vel);
zeus::CVector3f compXf1 = (x13c_globalScaleTransformInverse * x1a8_localScaleTransformInverse) * xdc_translation;
zeus::CVector3f compXf2 = x1d8_orientation.rotate(particle.x4_pos);
particle.x4_pos = compXf1 + compXf2 + xf4_POFS;
particle.x1c_vel = x1d8_orientation.rotate(particle.x1c_vel);
} else {
zeus::CVector3f compXf1 = (x13c_globalScaleTransformInverse * x1a8_localScaleTransformInverse) * xdc_translation;
particle.x4_pos = compXf1 + xf4_POFS;
particle.x1c_vel.zeroOut();
}
particle.x10_prevPos = particle.x4_pos;
if (x26c_31_LINE) {
if (CRealElement* leng = desc->x20_x14_LENG.get())
leng->GetValue(0, particle.x2c_lineLengthOrSize);
else
particle.x2c_lineLengthOrSize = 1.f;
if (CRealElement* widt = desc->x24_x18_WIDT.get())
widt->GetValue(0, particle.x30_lineWidthOrRota);
else
particle.x30_lineWidthOrRota = 1.f;
} else {
if (CRealElement* rota = desc->x50_x3c_ROTA.get())
rota->GetValue(0, particle.x30_lineWidthOrRota);
else
particle.x30_lineWidthOrRota = 0.f;
if (CRealElement* size = desc->x4c_x38_SIZE.get())
size->GetValue(0, particle.x2c_lineLengthOrSize);
else
particle.x2c_lineLengthOrSize = 0.1f;
}
AccumulateBounds(particle.x4_pos, particle.x2c_lineLengthOrSize);
}
}
void CElementGen::UpdatePSTranslationAndOrientation() {
CGenDescription* desc = x1c_genDesc.GetObj();
CGlobalRandom gr(x27c_randState);
if (x268_PSLT < x74_curFrame)
return;
if (CVectorElement* pofs = desc->x18_xc_POFS.get())
pofs->GetValue(x74_curFrame, xf4_POFS);
if (CVectorElement* sspo = desc->xe8_xd4_SSPO.get())
sspo->GetValue(x74_curFrame, x2b0_SSPO);
if (CVectorElement* sepo = desc->xfc_xe8_SEPO.get())
sepo->GetValue(x74_curFrame, x2c0_SEPO);
}
std::unique_ptr<CParticleGen> CElementGen::ConstructChildParticleSystem(const TToken<CGenDescription>& desc) const {
OPTICK_EVENT();
auto ret = std::make_unique<CElementGen>(desc, EModelOrientationType::Normal,
x26d_27_enableOPTS ? EOptionalSystemFlags::Two : EOptionalSystemFlags::One);
ret->x26d_26_modelsUseLights = x26d_26_modelsUseLights;
ret->SetGlobalTranslation(xe8_globalTranslation);
ret->SetGlobalOrientation(x22c_globalOrientation);
ret->SetGlobalScale(x100_globalScale);
ret->SetLocalScale(x16c_localScale);
ret->SetTranslation(xdc_translation);
ret->SetOrientation(x1d8_orientation);
ret->SetParticleEmission(x88_particleEmission);
ret->SetModulationColor(x338_moduColor);
return ret;
}
void CElementGen::UpdateChildParticleSystems(double dt) {
CGenDescription* desc = x1c_genDesc.GetObj();
CGlobalRandom gr(x27c_randState);
SChildGeneratorDesc& icts = desc->x8c_x78_ICTS;
if (icts.m_found && x84_prevFrame != x74_curFrame && x2a0_CSSD == x74_curFrame) {
int ncsyVal = 1;
if (CIntElement* ncsy = desc->x9c_x88_NCSY.get())
ncsy->GetValue(x74_curFrame, ncsyVal);
CGenDescription* ictsDesc = icts.m_token.GetObj();
if (!(x26d_27_enableOPTS && ictsDesc->x45_31_x32_25_OPTS)) {
x290_activePartChildren.reserve(ncsyVal + x290_activePartChildren.size());
for (int i = 0; i < ncsyVal; ++i) {
std::unique_ptr<CParticleGen> chGen = ConstructChildParticleSystem(icts.m_token);
x290_activePartChildren.emplace_back(std::move(chGen));
}
}
}
SChildGeneratorDesc& iits = desc->xb8_xa4_IITS;
if (iits.m_found && x84_prevFrame != x74_curFrame && x74_curFrame < x268_PSLT && x88_particleEmission == 1 &&
x74_curFrame >= x2a4_SISY && ((x74_curFrame - x2a4_SISY) % x2a8_PISY) == 0) {
CGenDescription* iitsDesc = iits.m_token.GetObj();
if (!(x26d_27_enableOPTS && iitsDesc->x45_31_x32_25_OPTS)) {
std::unique_ptr<CParticleGen> chGen = ConstructChildParticleSystem(iits.m_token);
x290_activePartChildren.emplace_back(std::move(chGen));
}
}
CSpawnSystemKeyframeData* kssm = desc->xd0_xbc_KSSM.get();
if (kssm && x84_prevFrame != x74_curFrame && x74_curFrame < x268_PSLT) {
u16 backupSeed = g_GlobalSeed;
u16 incSeed = backupSeed;
std::vector<CSpawnSystemKeyframeData::CSpawnSystemKeyframeInfo>& systems =
kssm->GetSpawnedSystemsAtFrame(x74_curFrame);
x290_activePartChildren.reserve(x290_activePartChildren.size() + systems.size());
for (CSpawnSystemKeyframeData::CSpawnSystemKeyframeInfo& system : systems) {
TLockedToken<CGenDescription>& token = system.GetToken();
if (!(x26d_27_enableOPTS && token.GetObj()->x45_31_x32_25_OPTS)) {
g_GlobalSeed = incSeed;
std::unique_ptr<CParticleGen> chGen = ConstructChildParticleSystem(token);
x290_activePartChildren.emplace_back(std::move(chGen));
}
incSeed += 1;
}
g_GlobalSeed = backupSeed;
}
SChildGeneratorDesc& idts = desc->xa4_x90_IDTS;
if (idts.m_found && x74_curFrame == x268_PSLT && x84_prevFrame != x74_curFrame) {
int ndsyVal = 1;
if (CIntElement* ndsy = desc->xb4_xa0_NDSY.get())
ndsy->GetValue(0, ndsyVal);
CGenDescription* idtsDesc = idts.m_token.GetObj();
if (!(x26d_27_enableOPTS && idtsDesc->x45_31_x32_25_OPTS)) {
x290_activePartChildren.reserve(ndsyVal + x290_activePartChildren.size());
for (int i = 0; i < ndsyVal; ++i) {
std::unique_ptr<CParticleGen> chGen = ConstructChildParticleSystem(idts.m_token);
x290_activePartChildren.emplace_back(std::move(chGen));
}
}
}
SSwooshGeneratorDesc& sswh = desc->xd4_xc0_SSWH;
if (sswh.m_found && x84_prevFrame != x74_curFrame && x74_curFrame == x2ac_SSSD) {
std::unique_ptr<CParticleGen> sswhGen = std::make_unique<CParticleSwoosh>(sswh.m_token, 0);
sswhGen->SetGlobalTranslation(xe8_globalTranslation);
sswhGen->SetGlobalScale(x100_globalScale);
sswhGen->SetLocalScale(x16c_localScale);
sswhGen->SetTranslation(xdc_translation + x2b0_SSPO);
sswhGen->SetOrientation(x1d8_orientation);
sswhGen->SetParticleEmission(x88_particleEmission);
x290_activePartChildren.emplace_back(std::move(sswhGen));
}
SElectricGeneratorDesc& selc = desc->xec_xd8_SELC;
if (selc.m_found && x84_prevFrame != x74_curFrame && x74_curFrame == x2bc_SESD) {
std::unique_ptr<CParticleGen> selcGen = std::make_unique<CParticleElectric>(selc.m_token);
selcGen->SetGlobalTranslation(xe8_globalTranslation);
selcGen->SetGlobalScale(x100_globalScale);
selcGen->SetLocalScale(x16c_localScale);
selcGen->SetTranslation(xdc_translation + x2c0_SEPO);
selcGen->SetOrientation(x1d8_orientation);
selcGen->SetParticleEmission(x88_particleEmission);
x290_activePartChildren.emplace_back(std::move(selcGen));
}
for (auto p = x290_activePartChildren.begin(); p != x290_activePartChildren.end();) {
std::unique_ptr<CParticleGen>& ch = *p;
ch->Update(dt);
if (ch->IsSystemDeletable()) {
p = x290_activePartChildren.erase(p);
continue;
}
++p;
}
x84_prevFrame = x74_curFrame;
}
void CElementGen::UpdateLightParameters() {
CGenDescription* desc = x1c_genDesc.GetObj();
if (CColorElement* lclr = desc->x104_xf0_LCLR.get())
lclr->GetValue(x74_curFrame, x30c_LCLR);
if (CRealElement* lint = desc->x108_xf4_LINT.get())
lint->GetValue(x74_curFrame, x310_LINT);
switch (x308_lightType) {
default:
case LightType::None:
case LightType::Custom:
case LightType::Spot: {
if (CVectorElement* loff = desc->x10c_xf8_LOFF.get())
loff->GetValue(x74_curFrame, x314_LOFF);
if (CRealElement* lfor = desc->x118_x104_LFOR.get())
lfor->GetValue(x74_curFrame, x330_LFOR);
if (x308_lightType == LightType::Spot) {
if (CRealElement* lsla = desc->x11c_x108_LSLA.get())
lsla->GetValue(x74_curFrame, x334_LSLA);
}
[[fallthrough]];
}
case LightType::Directional: {
if (x308_lightType != LightType::Custom) {
if (CVectorElement* ldir = desc->x110_xfc_LDIR.get())
ldir->GetValue(x74_curFrame, x320_LDIR);
}
}
}
}
u32 CElementGen::GetParticleCountAllInternal() const {
u32 ret = x25c_activeParticleCount;
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
if (ch->Get4CharId() == FOURCC('PART'))
ret += static_cast<CElementGen&>(*ch).GetParticleCountAll();
return ret;
}
void CElementGen::EndLifetime() {
x268_PSLT = 0;
for (std::unique_ptr<CParticleGen>& ch : x290_activePartChildren) {
if (ch->Get4CharId() == FOURCC('PART'))
static_cast<CElementGen&>(*ch).EndLifetime();
else
ch->SetParticleEmission(false);
}
}
void CElementGen::ForceParticleCreation(int amount) {
CParticleGlobals::SParticleSystem* prevSystem = CParticleGlobals::instance()->m_currentParticleSystem;
CParticleGlobals::SParticleSystem thisSystem{FOURCC('PART'), this};
CParticleGlobals::instance()->m_currentParticleSystem = &thisSystem;
CParticleGlobals::instance()->SetEmitterTime(x74_curFrame);
CreateNewParticles(amount);
CParticleGlobals::instance()->m_currentParticleSystem = prevSystem;
}
void CElementGen::BuildParticleSystemBounds() {
zeus::CAABox aabb;
bool accumulated = false;
for (std::unique_ptr<CParticleGen>& ch : x290_activePartChildren) {
auto chBounds = ch->GetBounds();
if (chBounds) {
accumulated = true;
aabb.accumulateBounds(chBounds.value());
}
}
x264_recursiveParticleCount = GetParticleCountAllInternal();
if (GetParticleCount() > 0) {
zeus::CVector3f scale = x100_globalScale * x2ec_maxSize;
zeus::CTransform xf = (x10c_globalScaleTransform * x22c_globalOrientation) * x178_localScaleTransform;
zeus::CAABox box = zeus::CAABox(x2d4_aabbMin, x2e0_aabbMax).getTransformedAABox(xf);
zeus::CVector3f min = box.min + xe8_globalTranslation - scale;
zeus::CVector3f max = box.max + xe8_globalTranslation + scale;
x2f0_systemBounds = zeus::CAABox(min, max);
} else
x2f0_systemBounds = zeus::CAABox();
if (accumulated)
x2f0_systemBounds.accumulateBounds(aabb);
}
u32 CElementGen::GetSystemCount() const {
u32 ret = 0;
for (const std::unique_ptr<CParticleGen>& child : x290_activePartChildren) {
if (child->Get4CharId() == FOURCC('PART')) {
ret += static_cast<const CElementGen&>(*child).GetSystemCount();
} else {
ret += 1;
}
}
return ret + (x25c_activeParticleCount != 0);
}
void CElementGen::Render(const CActorLights* actorLights) {
// Check to make sure our buffers are ready to render
if (!x26c_31_LINE && (!m_instBuf || !m_uniformBuf)) {
return;
}
if (x28_loadedGenDesc->x45_24_x31_26_PMUS && (!m_instBufPmus || !m_uniformBufPmus)) {
return;
}
SCOPED_GRAPHICS_DEBUG_GROUP(fmt::format(FMT_STRING("CElementGen::Render {}"), *x1c_genDesc.GetObjectTag()).c_str(),
zeus::skYellow);
CGenDescription* desc = x1c_genDesc.GetObj();
x274_backupLightActive = CGraphics::g_LightActive;
CGraphics::DisableAllLights();
for (std::unique_ptr<CParticleGen>& child : x290_activePartChildren)
child->Render(actorLights);
CParticleGlobals::SParticleSystem* prevSystem = CParticleGlobals::instance()->m_currentParticleSystem;
CParticleGlobals::SParticleSystem thisSystem{FOURCC('PART'), this};
CParticleGlobals::instance()->m_currentParticleSystem = &thisSystem;
if (x30_particles.size()) {
SParticleModel& pmdl = desc->x5c_x48_PMDL;
if (pmdl.m_found || desc->x45_24_x31_26_PMUS)
RenderModels(actorLights);
if (x26c_31_LINE)
RenderLines();
else
RenderParticles();
}
CParticleGlobals::instance()->m_currentParticleSystem = prevSystem;
}
void CElementGen::RenderModels(const CActorLights* actorLights) {
// Check to make sure our buffers are ready to render
if (!x26c_31_LINE && (!m_instBuf || !m_uniformBuf)) {
return;
}
if (x28_loadedGenDesc->x45_24_x31_26_PMUS && (!m_instBufPmus || !m_uniformBufPmus)) {
return;
}
CParticleGlobals::instance()->m_particleAccessParameters = nullptr;
if (x26d_26_modelsUseLights)
CGraphics::SetLightState(x274_backupLightActive);
CGlobalRandom gr(x27c_randState);
CGenDescription* desc = x1c_genDesc.GetObj();
SUVElementSet uvs = {0.f, 0.f, 1.f, 1.f};
CUVElement* texr = desc->x54_x40_TEXR.get();
CTexture* cachedTex = nullptr;
bool texConst = true;
bool moveRedToAlphaBuffer = false;
if (desc->x45_24_x31_26_PMUS) {
if (sMoveRedToAlphaBuffer && desc->x44_31_x31_25_PMAB && desc->x54_x40_TEXR)
moveRedToAlphaBuffer = true;
if (desc->x44_31_x31_25_PMAB) {
CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, false);
if (moveRedToAlphaBuffer)
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::One, ERglBlendFactor::One, ERglLogicOp::Clear);
else
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::One,
ERglLogicOp::Clear);
} else {
CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, true);
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::InvSrcAlpha,
ERglLogicOp::Clear);
}
CGraphics::SetCullMode(ERglCullMode::None);
if (texr) {
CParticle& target = x30_particles[0];
int partFrame = x74_curFrame - target.x28_startFrame;
cachedTex = texr->GetValueTexture(partFrame).GetObj();
cachedTex->Load(0, CTexture::EClampMode::One);
/* Shade as TEXC * RASC and TEXA * RASA */
if (moveRedToAlphaBuffer) {
/* Color = Prev.rgb * Prev.a */
/* Alpha = Tex.r * Prev.a */
}
texConst = texr->HasConstantTexture();
texr->GetValueUV(partFrame, uvs);
}
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex:
g_instTexData.clear();
g_instTexData.reserve(x30_particles.size());
break;
case CElementGenShaders::EShaderClass::NoTex:
g_instNoTexData.clear();
g_instNoTexData.reserve(x30_particles.size());
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("unexpected particle shader class"));
break;
}
SParticleUniforms uniformData = {CGraphics::GetPerspectiveProjectionMatrix(true), {1.f, 1.f, 1.f, 1.f}};
m_uniformBufPmus->load(&uniformData, sizeof(SParticleUniforms));
if (moveRedToAlphaBuffer)
CGraphics::SetShaderDataBinding(m_redToAlphaDataBindPmus[g_Renderer->IsThermalVisorHotPass()]);
else
CGraphics::SetShaderDataBinding(m_normalDataBindPmus[g_Renderer->IsThermalVisorHotPass()]);
}
zeus::CTransform orient = zeus::CTransform();
if (!desc->x45_25_x31_27_PMOO)
orient = x1d8_orientation;
orient = orient * x22c_globalOrientation;
CVectorElement* pmrt = desc->x70_x5c_PMRT.get();
bool pmrtConst = false;
if (pmrt)
pmrtConst = pmrt->IsFastConstant();
zeus::CVector3f trans = (x13c_globalScaleTransformInverse * x1a8_localScaleTransformInverse) * xe8_globalTranslation;
zeus::CTransform rot = zeus::CTransform();
if (pmrtConst) {
zeus::CVector3f pmrtVal;
pmrt->GetValue(x74_curFrame, pmrtVal);
rot = zeus::CTransform::RotateZ(zeus::degToRad(pmrtVal[2]));
rot.rotateLocalY(zeus::degToRad(pmrtVal[1]));
rot.rotateLocalX(zeus::degToRad(pmrtVal[0]));
}
rot = orient * rot;
CParticleGlobals::instance()->SetEmitterTime(x74_curFrame);
zeus::CColor col = x338_moduColor;
zeus::CVector3f pmopVec;
auto matrixIt = x50_parentMatrices.begin();
for (size_t i = 0; i < x30_particles.size(); ++i) {
CParticle& particle = x30_particles[i];
g_currentParticle = &particle;
if (particle.x0_endFrame == -1) {
if (x2c_orientType == EModelOrientationType::One)
++matrixIt;
continue;
}
CParticleGlobals::instance()->SetParticleLifetime(particle.x0_endFrame - particle.x28_startFrame);
int partFrame = x74_curFrame - particle.x28_startFrame - 1;
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(partFrame);
if (x26d_28_enableADV) {
CParticleGlobals::instance()->m_particleAccessParameters = &x60_advValues[i];
}
CVectorElement* pmop = desc->x6c_x58_PMOP.get();
if (pmop)
pmop->GetValue(partFrame, pmopVec);
zeus::CTransform partTrans = zeus::CTransform::Translate(particle.x4_pos + trans);
if (x2c_orientType == EModelOrientationType::One) {
zeus::CTransform partRot(*matrixIt);
zeus::CVector3f pmopRotateOffset = (orient * partRot) * pmopVec;
partTrans = partTrans * partRot;
partTrans += pmopRotateOffset;
} else {
partTrans += orient * pmopVec;
}
if (pmrtConst) {
partTrans = partTrans * rot;
} else {
if (pmrt) {
zeus::CVector3f pmrtVal;
pmrt->GetValue(partFrame, pmrtVal);
rot = zeus::CTransform::RotateZ(zeus::degToRad(pmrtVal[2]));
rot.rotateLocalY(zeus::degToRad(pmrtVal[1]));
rot.rotateLocalX(zeus::degToRad(pmrtVal[0]));
partTrans = partTrans * (orient * rot);
} else {
partTrans = partTrans * rot;
}
}
CVectorElement* pmsc = desc->x74_x60_PMSC.get();
if (pmsc) {
zeus::CVector3f pmscVal;
pmsc->GetValue(partFrame, pmscVal);
partTrans = partTrans * zeus::CTransform::Scale(pmscVal);
}
CColorElement* pmcl = desc->x78_x64_PMCL.get();
if (pmcl) {
pmcl->GetValue(partFrame, col);
col *= x338_moduColor;
}
CGraphics::SetModelMatrix((x10c_globalScaleTransform * partTrans) * x178_localScaleTransform);
if (desc->x45_24_x31_26_PMUS) {
if (!texConst) {
CTexture* tex = texr->GetValueTexture(x74_curFrame - particle.x28_startFrame).GetObj();
if (tex != cachedTex) {
tex->Load(0, CTexture::EClampMode::One);
cachedTex = tex;
}
}
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex: {
SParticleInstanceTex& inst = g_instTexData.emplace_back();
inst.pos[0] = CGraphics::g_GXModelView * zeus::CVector3f{0.5f, 0.f, 0.5f};
inst.pos[1] = CGraphics::g_GXModelView * zeus::CVector3f{-0.5f, 0.f, 0.5f};
inst.pos[2] = CGraphics::g_GXModelView * zeus::CVector3f{0.5f, 0.f, -0.5f};
inst.pos[3] = CGraphics::g_GXModelView * zeus::CVector3f{-0.5f, 0.f, -0.5f};
inst.color = col;
inst.uvs[0] = {uvs.xMax, uvs.yMax};
inst.uvs[1] = {uvs.xMin, uvs.yMax};
inst.uvs[2] = {uvs.xMax, uvs.yMin};
inst.uvs[3] = {uvs.xMin, uvs.yMin};
break;
}
case CElementGenShaders::EShaderClass::NoTex: {
SParticleInstanceNoTex& inst = g_instNoTexData.emplace_back();
inst.pos[0] = CGraphics::g_GXModelView * zeus::CVector3f{0.5f, 0.f, 0.5f};
inst.pos[1] = CGraphics::g_GXModelView * zeus::CVector3f{-0.5f, 0.f, 0.5f};
inst.pos[2] = CGraphics::g_GXModelView * zeus::CVector3f{0.5f, 0.f, -0.5f};
inst.pos[3] = CGraphics::g_GXModelView * zeus::CVector3f{-0.5f, 0.f, -0.5f};
inst.color = col;
break;
}
default:
break;
}
} else {
CModel* model = desc->x5c_x48_PMDL.m_token.GetObj();
if (actorLights)
actorLights->ActivateLights(model->GetInstance());
if (g_subtractBlend) {
model->Draw({5, 0, 1, zeus::CColor(1.f, 0.5f)});
} else if (desc->x44_31_x31_25_PMAB) {
CModelFlags flags{7, 0, 1, col};
flags.m_extendedShader = EExtendedShader::ForcedAdditiveNoZWrite;
model->Draw(flags);
} else if (1.f == col.a()) {
model->Draw({0, 0, 3, zeus::skWhite});
} else {
model->Draw({5, 0, 1, zeus::CColor(1.f, col.a())});
}
}
if (x2c_orientType == EModelOrientationType::One)
++matrixIt;
}
if (desc->x45_24_x31_26_PMUS) {
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex:
m_instBufPmus->load(g_instTexData.data(), g_instTexData.size() * sizeof(SParticleInstanceTex));
CGraphics::DrawInstances(0, 4, g_instTexData.size());
break;
case CElementGenShaders::EShaderClass::NoTex:
m_instBufPmus->load(g_instNoTexData.data(), g_instNoTexData.size() * sizeof(SParticleInstanceNoTex));
CGraphics::DrawInstances(0, 4, g_instNoTexData.size());
break;
default:
break;
}
}
if (x26d_26_modelsUseLights)
CGraphics::DisableAllLights();
CGraphics::SetCullMode(ERglCullMode::Front);
if (moveRedToAlphaBuffer) {
/* Restore passthrough */
}
}
void CElementGen::RenderLines() {
CGenDescription* desc = x1c_genDesc.GetObj();
CGlobalRandom gr(x27c_randState);
zeus::CTransform systemViewPointMatrix(CGraphics::g_ViewMatrix);
systemViewPointMatrix.origin.zeroOut();
zeus::CTransform systemCameraMatrix = systemViewPointMatrix.inverse() * x22c_globalOrientation;
systemViewPointMatrix =
((zeus::CTransform::Translate(xe8_globalTranslation) * x10c_globalScaleTransform) * systemViewPointMatrix) *
x178_localScaleTransform;
CGraphics::SetModelMatrix(systemViewPointMatrix);
CGraphics::SetAlphaCompare(ERglAlphaFunc::Always, 0, ERglAlphaOp::And, ERglAlphaFunc::Always, 0);
if (x26c_26_AAPH) {
CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, false);
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::One, ERglLogicOp::Clear);
} else {
CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, true);
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::InvSrcAlpha,
ERglLogicOp::Clear);
}
CRealElement* widt = desc->x24_x18_WIDT.get();
bool widtConst = false;
if (widt)
widtConst = widt->IsConstant();
CUVElement* texr = desc->x54_x40_TEXR.get();
SUVElementSet uvs = {0.f, 0.f, 1.f, 1.f};
bool constTexr = true;
bool constUVs = true;
CTexture* cachedTex = nullptr;
zeus::CColor moduColor = zeus::skWhite;
if (texr) {
CParticle& target = x30_particles[0];
int partFrame = x74_curFrame - target.x28_startFrame;
cachedTex = texr->GetValueTexture(partFrame).GetObj();
cachedTex->Load(0, CTexture::EClampMode::One);
/* Set TEXC * RASC */
if (x338_moduColor != zeus::skBlack) {
/* Add RASC * PREVC pass for MODU color loaded into channel mat-color */
moduColor = x338_moduColor;
}
constTexr = texr->HasConstantTexture();
texr->GetValueUV(partFrame, uvs);
constUVs = texr->HasConstantUV();
}
float constWidth = 1.f;
if (widtConst) {
widt->GetValue(0, constWidth);
constWidth = std::max(0.f, std::min(constWidth, 42.5f));
}
m_lineRenderer->Reset();
for (auto& particle : x30_particles) {
g_currentParticle = &particle;
int partFrame = x74_curFrame - particle.x28_startFrame;
if (!constTexr) {
CTexture* tex = texr->GetValueTexture(partFrame).GetObj();
if (tex != cachedTex) {
tex->Load(0, CTexture::EClampMode::One);
cachedTex = tex;
}
}
if (!constUVs)
texr->GetValueUV(partFrame, uvs);
zeus::CVector3f dVec = particle.x4_pos - particle.x10_prevPos;
if (x26d_24_FXLL)
if (dVec.magSquared() >= 0.f)
dVec.normalize();
zeus::CVector3f p1 = systemCameraMatrix * particle.x4_pos;
zeus::CVector3f p2 = systemCameraMatrix * (particle.x2c_lineLengthOrSize * dVec + particle.x4_pos);
if (widtConst) {
m_lineRenderer->AddVertex(p1, particle.x34_color, constWidth, {uvs.xMin, uvs.yMin});
m_lineRenderer->AddVertex(p2, particle.x34_color, constWidth, {uvs.xMax, uvs.yMax});
} else if (widt) {
float width = 1.f;
widt->GetValue(0, width);
width = std::max(0.f, std::min(width, 42.5f));
m_lineRenderer->AddVertex(p1, particle.x34_color, width, {uvs.xMin, uvs.yMin});
m_lineRenderer->AddVertex(p2, particle.x34_color, width, {uvs.xMax, uvs.yMax});
}
}
m_lineRenderer->Render(g_Renderer->IsThermalVisorHotPass(), moduColor);
}
void CElementGen::RenderParticles() {
CGenDescription* desc = x1c_genDesc.GetObj();
CGlobalRandom gr(x27c_randState);
CUVElement* texr = desc->x54_x40_TEXR.get();
CUVElement* tind = desc->x58_x44_TIND.get();
if (texr && tind) {
RenderParticlesIndirectTexture();
return;
}
CRealElement* size = desc->x4c_x38_SIZE.get();
if (size && size->IsConstant()) {
float sizeVal;
size->GetValue(0, sizeVal);
if (sizeVal == 0.f) {
size->GetValue(1, sizeVal);
if (sizeVal == 0.f)
return;
}
}
zeus::CTransform systemModelMatrix(CGraphics::g_ViewMatrix);
systemModelMatrix.origin.zeroOut();
zeus::CTransform systemCameraMatrix = systemModelMatrix.inverse() * x22c_globalOrientation;
systemModelMatrix =
((zeus::CTransform::Translate(xe8_globalTranslation) * x10c_globalScaleTransform) * systemModelMatrix) *
x178_localScaleTransform;
if (x26c_29_ORNT)
CGraphics::SetModelMatrix(systemModelMatrix * systemCameraMatrix);
else
CGraphics::SetModelMatrix(systemModelMatrix);
CGraphics::SetAlphaCompare(ERglAlphaFunc::Always, 0, ERglAlphaOp::And, ERglAlphaFunc::Always, 0);
SUVElementSet uvs = {0.f, 0.f, 1.f, 1.f};
bool constUVs = true;
CTexture* cachedTex = nullptr;
SParticleUniforms uniformData = {
CGraphics::GetPerspectiveProjectionMatrix(true) * CGraphics::g_GXModelView.toMatrix4f(), {1.f, 1.f, 1.f, 1.f}};
if (texr) {
CParticle& target = x30_particles[0];
int partFrame = x74_curFrame - target.x28_startFrame;
cachedTex = texr->GetValueTexture(partFrame).GetObj();
cachedTex->Load(0, CTexture::EClampMode::One);
if (x338_moduColor != zeus::skBlack) {
/* Add RASC * PREVC pass for MODU color loaded into channel mat-color */
uniformData.moduColor = x338_moduColor;
}
texr->GetValueUV(partFrame, uvs);
constUVs = texr->HasConstantUV();
}
m_uniformBuf->load(&uniformData, sizeof(SParticleUniforms));
std::vector<CParticleListItem> sortItems;
if (desc->x44_28_x30_28_SORT) {
sortItems.reserve(x30_particles.size());
for (size_t i = 0; i < x30_particles.size(); ++i) {
const CParticle& particle = x30_particles[i];
sortItems.emplace_back(s16(i));
CParticleListItem& sortItem = sortItems.back();
sortItem.x4_viewPoint =
systemCameraMatrix * ((particle.x4_pos - particle.x10_prevPos) * x80_timeDeltaScale + particle.x10_prevPos);
}
std::sort(sortItems.begin(), sortItems.end(), [](const CParticleListItem& a, const CParticleListItem& b) -> bool {
return a.x4_viewPoint[1] > b.x4_viewPoint[1];
});
}
bool moveRedToAlphaBuffer = false;
if (sMoveRedToAlphaBuffer && x26c_26_AAPH)
moveRedToAlphaBuffer = true;
if (g_subtractBlend) {
// FIXME should there be NoTex specializations for RedToAlpha?
if (moveRedToAlphaBuffer && desc->x54_x40_TEXR)
CGraphics::SetShaderDataBinding(m_redToAlphaSubDataBind[g_Renderer->IsThermalVisorHotPass()]);
else
CGraphics::SetShaderDataBinding(m_normalSubDataBind[g_Renderer->IsThermalVisorHotPass()]);
} else {
if (moveRedToAlphaBuffer && desc->x54_x40_TEXR)
CGraphics::SetShaderDataBinding(m_redToAlphaDataBind[g_Renderer->IsThermalVisorHotPass()]);
else
CGraphics::SetShaderDataBinding(m_normalDataBind[g_Renderer->IsThermalVisorHotPass()]);
}
int mbspVal = std::max(1, x270_MBSP);
CParticleGlobals::instance()->SetEmitterTime(x74_curFrame);
if (!x26c_30_MBLR) {
#if 0
if (!desc->x44_28_x30_28_SORT && constUVs && !x26c_29_ORNT)
{
if (!desc->x50_x3c_ROTA)
{
if (!zeus::close_enough(x80_timeDeltaScale, 1.f))
{
RenderBasicParticlesNoRotNoTS(systemCameraMatrix);
}
else
{
RenderBasicParticlesNoRotTS(systemCameraMatrix);
}
}
else
{
if (!zeus::close_enough(x80_timeDeltaScale, 1.f))
{
RenderBasicParticlesRotNoTS(systemCameraMatrix);
}
else
{
RenderBasicParticlesRotTS(systemCameraMatrix);
}
}
}
#endif
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex:
g_instTexData.clear();
g_instTexData.reserve(x30_particles.size());
break;
case CElementGenShaders::EShaderClass::NoTex:
g_instNoTexData.clear();
g_instNoTexData.reserve(x30_particles.size());
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("unexpected particle shader class"));
break;
}
if (!x26c_29_ORNT) {
for (size_t i = 0; i < x30_particles.size(); ++i) {
const int partIdx = desc->x44_28_x30_28_SORT ? sortItems[i].x0_partIdx : int(i);
CParticle& particle = x30_particles[partIdx];
g_currentParticle = &particle;
const int partFrame = x74_curFrame - particle.x28_startFrame - 1;
zeus::CVector3f viewPoint;
if (desc->x44_28_x30_28_SORT) {
viewPoint = sortItems[i].x4_viewPoint;
} else {
viewPoint = systemCameraMatrix *
((particle.x4_pos - particle.x10_prevPos) * x80_timeDeltaScale + particle.x10_prevPos);
}
if (!constUVs) {
CParticleGlobals::instance()->SetParticleLifetime(particle.x0_endFrame - particle.x28_startFrame);
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(partFrame);
texr->GetValueUV(partFrame, uvs);
}
const float size = 0.5f * particle.x2c_lineLengthOrSize;
if (0.f == particle.x30_lineWidthOrRota) {
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex: {
SParticleInstanceTex& inst = g_instTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{viewPoint.x() + size, viewPoint.y(), viewPoint.z() + size, 1.f};
inst.pos[1] = zeus::CVector4f{viewPoint.x() - size, viewPoint.y(), viewPoint.z() + size, 1.f};
inst.pos[2] = zeus::CVector4f{viewPoint.x() + size, viewPoint.y(), viewPoint.z() - size, 1.f};
inst.pos[3] = zeus::CVector4f{viewPoint.x() - size, viewPoint.y(), viewPoint.z() - size, 1.f};
inst.color = particle.x34_color;
inst.uvs[0] = {uvs.xMax, uvs.yMax};
inst.uvs[1] = {uvs.xMin, uvs.yMax};
inst.uvs[2] = {uvs.xMax, uvs.yMin};
inst.uvs[3] = {uvs.xMin, uvs.yMin};
break;
}
case CElementGenShaders::EShaderClass::NoTex: {
SParticleInstanceNoTex& inst = g_instNoTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{viewPoint.x() + size, viewPoint.y(), viewPoint.z() + size, 1.f};
inst.pos[1] = zeus::CVector4f{viewPoint.x() - size, viewPoint.y(), viewPoint.z() + size, 1.f};
inst.pos[2] = zeus::CVector4f{viewPoint.x() + size, viewPoint.y(), viewPoint.z() - size, 1.f};
inst.pos[3] = zeus::CVector4f{viewPoint.x() - size, viewPoint.y(), viewPoint.z() - size, 1.f};
inst.color = particle.x34_color;
break;
}
default:
break;
}
} else {
float theta = zeus::degToRad(particle.x30_lineWidthOrRota);
float sinT = std::sin(theta) * size;
float cosT = std::cos(theta) * size;
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex: {
SParticleInstanceTex& inst = g_instTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{viewPoint.x() + sinT + cosT, viewPoint.y(), viewPoint.z() + cosT - sinT, 1.f};
inst.pos[1] = zeus::CVector4f{viewPoint.x() + sinT - cosT, viewPoint.y(), viewPoint.z() + sinT + cosT, 1.f};
inst.pos[2] =
zeus::CVector4f{viewPoint.x() + (cosT - sinT), viewPoint.y(), viewPoint.z() + (-cosT - sinT), 1.f};
inst.pos[3] =
zeus::CVector4f{viewPoint.x() - (sinT + cosT), viewPoint.y(), viewPoint.z() - (cosT - sinT), 1.f};
inst.color = particle.x34_color;
inst.uvs[0] = {uvs.xMax, uvs.yMax};
inst.uvs[1] = {uvs.xMin, uvs.yMax};
inst.uvs[2] = {uvs.xMax, uvs.yMin};
inst.uvs[3] = {uvs.xMin, uvs.yMin};
break;
}
case CElementGenShaders::EShaderClass::NoTex: {
SParticleInstanceNoTex& inst = g_instNoTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{viewPoint.x() + sinT + cosT, viewPoint.y(), viewPoint.z() + cosT - sinT, 1.f};
inst.pos[1] = zeus::CVector4f{viewPoint.x() + sinT - cosT, viewPoint.y(), viewPoint.z() + sinT + cosT, 1.f};
inst.pos[2] =
zeus::CVector4f{viewPoint.x() + (cosT - sinT), viewPoint.y(), viewPoint.z() + (-cosT - sinT), 1.f};
inst.pos[3] =
zeus::CVector4f{viewPoint.x() - (sinT + cosT), viewPoint.y(), viewPoint.z() - (cosT - sinT), 1.f};
inst.color = particle.x34_color;
break;
}
default:
break;
}
}
}
} else {
for (size_t i = 0; i < x30_particles.size(); ++i) {
const int partIdx = desc->x44_28_x30_28_SORT ? sortItems[i].x0_partIdx : int(i);
CParticle& particle = x30_particles[partIdx];
g_currentParticle = &particle;
const int partFrame = x74_curFrame - particle.x28_startFrame - 1;
zeus::CVector3f viewPoint =
((particle.x4_pos - particle.x10_prevPos) * x80_timeDeltaScale + particle.x10_prevPos);
const float width = !desc->x50_x3c_ROTA ? 1.f : particle.x30_lineWidthOrRota;
zeus::CVector3f dir;
if (particle.x1c_vel.canBeNormalized()) {
dir = particle.x1c_vel.normalized();
} else {
zeus::CVector3f delta = particle.x4_pos - particle.x10_prevPos;
if (delta.canBeNormalized())
dir = delta.normalized();
else
dir = zeus::skUp;
}
zeus::CVector3f foreVec = particle.x2c_lineLengthOrSize * dir;
zeus::CVector3f rightVec;
if (desc->x30_31_RSOP) {
rightVec = dir.cross(CGraphics::g_ViewMatrix.basis[1]);
if (rightVec.canBeNormalized()) {
rightVec = rightVec.normalized() * (particle.x2c_lineLengthOrSize * width);
} else {
rightVec = dir.cross((CGraphics::g_ViewMatrix.origin - particle.x4_pos).normalized());
if (rightVec.canBeNormalized()) {
rightVec = rightVec.normalized() * (particle.x2c_lineLengthOrSize * width);
}
}
} else {
rightVec = foreVec.cross(CGraphics::g_ViewMatrix.basis[1]) * width;
}
if (!constUVs) {
CParticleGlobals::instance()->SetParticleLifetime(particle.x0_endFrame - particle.x28_startFrame);
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(partFrame);
texr->GetValueUV(partFrame, uvs);
}
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex: {
SParticleInstanceTex& inst = g_instTexData.emplace_back();
viewPoint += rightVec * 0.5f;
inst.pos[0] = zeus::CVector4f{viewPoint + 0.5f * foreVec};
inst.pos[1] = zeus::CVector4f{viewPoint - 0.5f * foreVec};
viewPoint -= rightVec;
inst.pos[2] = zeus::CVector4f{viewPoint + 0.5f * foreVec};
inst.pos[3] = zeus::CVector4f{viewPoint - 0.5f * foreVec};
inst.color = particle.x34_color;
inst.uvs[0] = {uvs.xMax, uvs.yMax};
inst.uvs[1] = {uvs.xMin, uvs.yMax};
inst.uvs[2] = {uvs.xMax, uvs.yMin};
inst.uvs[3] = {uvs.xMin, uvs.yMin};
break;
}
case CElementGenShaders::EShaderClass::NoTex: {
SParticleInstanceNoTex& inst = g_instNoTexData.emplace_back();
viewPoint += rightVec * 0.5f;
inst.pos[0] = zeus::CVector4f{viewPoint + 0.5f * foreVec};
inst.pos[1] = zeus::CVector4f{viewPoint - 0.5f * foreVec};
viewPoint -= rightVec;
inst.pos[2] = zeus::CVector4f{viewPoint + 0.5f * foreVec};
inst.pos[3] = zeus::CVector4f{viewPoint - 0.5f * foreVec};
inst.color = particle.x34_color;
break;
}
default:
break;
}
}
}
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex:
m_instBuf->load(g_instTexData.data(), g_instTexData.size() * sizeof(SParticleInstanceTex));
CGraphics::DrawInstances(0, 4, g_instTexData.size());
break;
case CElementGenShaders::EShaderClass::NoTex:
m_instBuf->load(g_instNoTexData.data(), g_instNoTexData.size() * sizeof(SParticleInstanceNoTex));
CGraphics::DrawInstances(0, 4, g_instNoTexData.size());
break;
default:
break;
}
} else {
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex:
g_instTexData.clear();
g_instTexData.reserve(x30_particles.size() * mbspVal);
break;
case CElementGenShaders::EShaderClass::NoTex:
g_instNoTexData.clear();
g_instNoTexData.reserve(x30_particles.size() * mbspVal);
break;
default:
Log.report(logvisor::Fatal, FMT_STRING("unexpected particle shader class"));
break;
}
const float mbspFac = 1.f / float(mbspVal);
for (size_t i = 0; i < x30_particles.size(); ++i) {
const int partIdx = desc->x44_28_x30_28_SORT ? sortItems[i].x0_partIdx : int(i);
CParticle& particle = x30_particles[partIdx];
g_currentParticle = &particle;
const int partFrame = x74_curFrame - particle.x28_startFrame - 1;
if (!constUVs) {
CParticleGlobals::instance()->SetParticleLifetime(particle.x0_endFrame - particle.x28_startFrame);
CParticleGlobals::instance()->UpdateParticleLifetimeTweenValues(partFrame);
texr->GetValueUV(partFrame, uvs);
}
zeus::CVector3f dVec = particle.x4_pos - particle.x10_prevPos;
zeus::CVector3f vec = dVec * x80_timeDeltaScale + particle.x10_prevPos;
zeus::CVector3f mbspVec = dVec * mbspFac;
float size = 0.5f * particle.x2c_lineLengthOrSize;
if (0.f == particle.x30_lineWidthOrRota) {
for (int j = 0; j < mbspVal; ++j) {
vec += mbspVec;
zeus::CVector3f vec2 = systemCameraMatrix * vec;
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex: {
SParticleInstanceTex& inst = g_instTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{vec2.x() + size, vec2.y(), vec2.z() + size, 1.f};
inst.pos[1] = zeus::CVector4f{vec2.x() - size, vec2.y(), vec2.z() + size, 1.f};
inst.pos[2] = zeus::CVector4f{vec2.x() + size, vec2.y(), vec2.z() - size, 1.f};
inst.pos[3] = zeus::CVector4f{vec2.x() - size, vec2.y(), vec2.z() - size, 1.f};
inst.color = particle.x34_color;
inst.uvs[0] = {uvs.xMax, uvs.yMax};
inst.uvs[1] = {uvs.xMin, uvs.yMax};
inst.uvs[2] = {uvs.xMax, uvs.yMin};
inst.uvs[3] = {uvs.xMin, uvs.yMin};
break;
}
case CElementGenShaders::EShaderClass::NoTex: {
SParticleInstanceNoTex& inst = g_instNoTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{vec2.x() + size, vec2.y(), vec2.z() + size, 1.f};
inst.pos[1] = zeus::CVector4f{vec2.x() - size, vec2.y(), vec2.z() + size, 1.f};
inst.pos[2] = zeus::CVector4f{vec2.x() + size, vec2.y(), vec2.z() - size, 1.f};
inst.pos[3] = zeus::CVector4f{vec2.x() - size, vec2.y(), vec2.z() - size, 1.f};
inst.color = particle.x34_color;
break;
}
default:
break;
}
}
} else {
float theta = zeus::degToRad(particle.x30_lineWidthOrRota);
float sinT = std::sin(theta) * size;
float cosT = std::cos(theta) * size;
for (int j = 0; j < mbspVal; ++j) {
vec += mbspVec;
zeus::CVector3f vec2 = systemCameraMatrix * vec;
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex: {
SParticleInstanceTex& inst = g_instTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{vec2.x() + sinT + cosT, vec2.y(), vec2.z() + cosT - sinT, 1.f};
inst.pos[1] = zeus::CVector4f{vec2.x() + sinT - cosT, vec2.y(), vec2.z() + sinT + cosT, 1.f};
inst.pos[2] = zeus::CVector4f{vec2.x() + (cosT - sinT), vec2.y(), vec2.z() + (-cosT - sinT), 1.f};
inst.pos[3] = zeus::CVector4f{vec2.x() - (sinT + cosT), vec2.y(), vec2.z() - (cosT - sinT), 1.f};
inst.color = particle.x34_color;
inst.uvs[0] = {uvs.xMax, uvs.yMax};
inst.uvs[1] = {uvs.xMin, uvs.yMax};
inst.uvs[2] = {uvs.xMax, uvs.yMin};
inst.uvs[3] = {uvs.xMin, uvs.yMin};
break;
}
case CElementGenShaders::EShaderClass::NoTex: {
SParticleInstanceNoTex& inst = g_instNoTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{vec2.x() + sinT + cosT, vec2.y(), vec2.z() + cosT - sinT, 1.f};
inst.pos[1] = zeus::CVector4f{vec2.x() + sinT - cosT, vec2.y(), vec2.z() + sinT + cosT, 1.f};
inst.pos[2] = zeus::CVector4f{vec2.x() + (cosT - sinT), vec2.y(), vec2.z() + (-cosT - sinT), 1.f};
inst.pos[3] = zeus::CVector4f{vec2.x() - (sinT + cosT), vec2.y(), vec2.z() - (cosT - sinT), 1.f};
inst.color = particle.x34_color;
break;
}
default:
break;
}
}
}
}
switch (m_shaderClass) {
case CElementGenShaders::EShaderClass::Tex:
m_instBuf->load(g_instTexData.data(), g_instTexData.size() * sizeof(SParticleInstanceTex));
CGraphics::DrawInstances(0, 4, g_instTexData.size());
break;
case CElementGenShaders::EShaderClass::NoTex:
m_instBuf->load(g_instNoTexData.data(), g_instNoTexData.size() * sizeof(SParticleInstanceNoTex));
CGraphics::DrawInstances(0, 4, g_instNoTexData.size());
break;
default:
break;
}
}
}
void CElementGen::RenderParticlesIndirectTexture() {
CGenDescription* desc = x1c_genDesc.GetObj();
zeus::CTransform systemViewPointMatrix(CGraphics::g_ViewMatrix);
systemViewPointMatrix.origin.zeroOut();
zeus::CTransform systemCameraMatrix = systemViewPointMatrix.inverse() * x22c_globalOrientation;
systemViewPointMatrix =
((zeus::CTransform::Translate(xe8_globalTranslation) * x10c_globalScaleTransform) * systemViewPointMatrix) *
x178_localScaleTransform;
CGraphics::SetModelMatrix(systemViewPointMatrix);
SParticleUniforms uniformData = {
CGraphics::GetPerspectiveProjectionMatrix(true) * CGraphics::g_GXModelView.toMatrix4f(), {1.f, 1.f, 1.f, 1.f}};
m_uniformBuf->load(&uniformData, sizeof(SParticleUniforms));
CGraphics::SetAlphaCompare(ERglAlphaFunc::Always, 0, ERglAlphaOp::And, ERglAlphaFunc::Always, 0);
if (x26c_26_AAPH) {
CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, true);
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::One, ERglLogicOp::Clear);
} else {
CGraphics::SetDepthWriteMode(true, ERglEnum::LEqual, x26c_27_ZBUF);
CGraphics::SetBlendMode(ERglBlendMode::Blend, ERglBlendFactor::SrcAlpha, ERglBlendFactor::InvSrcAlpha,
ERglLogicOp::Clear);
}
CUVElement* texr = desc->x54_x40_TEXR.get();
CParticle& firstParticle = x30_particles[0];
int partFrame = x74_curFrame - firstParticle.x28_startFrame;
CTexture* cachedTex = texr->GetValueTexture(partFrame).GetObj();
cachedTex->Load(0, CTexture::EClampMode::One);
SUVElementSet uvs = {0.f, 0.f, 1.f, 1.f};
bool constTexr = texr->HasConstantTexture();
texr->GetValueUV(partFrame, uvs);
bool constUVs = texr->HasConstantUV();
CUVElement* tind = desc->x58_x44_TIND.get();
CTexture* cachedIndTex = tind->GetValueTexture(partFrame).GetObj();
cachedIndTex->Load(2, CTexture::EClampMode::One);
SUVElementSet uvsInd = {0.f, 0.f, 1.f, 1.f};
bool constIndTexr = tind->HasConstantTexture();
bool constIndUVs = tind->HasConstantUV();
tind->GetValueUV(partFrame, uvsInd);
std::vector<CParticleListItem> sortItems;
if (desc->x44_28_x30_28_SORT) {
sortItems.reserve(x30_particles.size());
for (size_t i = 0; i < x30_particles.size(); ++i) {
const CParticle& particle = x30_particles[i];
sortItems.emplace_back(s16(i));
CParticleListItem& sortItem = sortItems.back();
sortItem.x4_viewPoint =
systemCameraMatrix * ((particle.x4_pos - particle.x10_prevPos) * x80_timeDeltaScale + particle.x10_prevPos);
}
std::sort(sortItems.begin(), sortItems.end(), [](const CParticleListItem& a, const CParticleListItem& b) -> bool {
return a.x4_viewPoint[1] >= b.x4_viewPoint[1];
});
}
g_instIndTexData.clear();
g_instIndTexData.reserve(x30_particles.size());
if (!x30_particles.empty())
CGraphics::SetShaderDataBinding(m_normalDataBind[g_Renderer->IsThermalVisorHotPass()]);
for (size_t i = 0; i < x30_particles.size(); ++i) {
const int partIdx = desc->x44_28_x30_28_SORT ? sortItems[i].x0_partIdx : int(i);
CParticle& particle = x30_particles[partIdx];
g_currentParticle = &particle;
const int thisPartFrame = x74_curFrame - particle.x28_startFrame;
zeus::CVector3f viewPoint;
if (desc->x44_28_x30_28_SORT) {
viewPoint = sortItems[i].x4_viewPoint;
} else {
viewPoint =
systemCameraMatrix * ((particle.x4_pos - particle.x10_prevPos) * x80_timeDeltaScale + particle.x10_prevPos);
}
if (!constTexr) {
CTexture* tex = texr->GetValueTexture(thisPartFrame).GetObj();
if (tex != cachedTex) {
tex->Load(0, CTexture::EClampMode::One);
cachedTex = tex;
}
}
if (!constIndTexr) {
CTexture* tex = tind->GetValueTexture(thisPartFrame).GetObj();
if (tex != cachedIndTex) {
tex->Load(2, CTexture::EClampMode::One);
cachedIndTex = tex;
}
}
if (!constUVs)
texr->GetValueUV(thisPartFrame, uvs);
if (!constIndUVs)
tind->GetValueUV(thisPartFrame, uvsInd);
float size = 0.5f * particle.x2c_lineLengthOrSize;
zeus::CVector3f p1 = {viewPoint.x() - size, viewPoint.y(), viewPoint.z() - size};
zeus::CVector3f p2 = {viewPoint.x() + size, viewPoint.y(), viewPoint.z() + size};
SClipScreenRect clipRect = CGraphics::ClipScreenRectFromMS(p1, p2);
if (!clipRect.x0_valid)
continue;
CGraphics::ResolveSpareTexture(clipRect);
SParticleInstanceIndTex& inst = g_instIndTexData.emplace_back();
inst.pos[0] = zeus::CVector4f{viewPoint.x() + size, viewPoint.y(), viewPoint.z() + size, 1.f};
inst.pos[1] = zeus::CVector4f{viewPoint.x() - size, viewPoint.y(), viewPoint.z() + size, 1.f};
inst.pos[2] = zeus::CVector4f{viewPoint.x() + size, viewPoint.y(), viewPoint.z() - size, 1.f};
inst.pos[3] = zeus::CVector4f{viewPoint.x() - size, viewPoint.y(), viewPoint.z() - size, 1.f};
inst.color = particle.x34_color;
inst.texrTindUVs[0] = zeus::CVector4f{uvs.xMax, uvs.yMax, uvsInd.xMax, uvsInd.yMax};
inst.texrTindUVs[1] = zeus::CVector4f{uvs.xMin, uvs.yMax, uvsInd.xMin, uvsInd.yMax};
inst.texrTindUVs[2] = zeus::CVector4f{uvs.xMax, uvs.yMin, uvsInd.xMax, uvsInd.yMin};
inst.texrTindUVs[3] = zeus::CVector4f{uvs.xMin, uvs.yMin, uvsInd.xMin, uvsInd.yMin};
switch (CGraphics::g_BooPlatform) {
case boo::IGraphicsDataFactory::Platform::OpenGL:
inst.sceneUVs =
zeus::CVector4f{clipRect.x18_uvXMin, clipRect.x24_uvYMax, clipRect.x1c_uvXMax, clipRect.x20_uvYMin};
break;
default:
inst.sceneUVs = zeus::CVector4f{clipRect.x18_uvXMin, 1.f - clipRect.x24_uvYMax, clipRect.x1c_uvXMax,
1.f - clipRect.x20_uvYMin};
break;
}
CGraphics::DrawInstances(0, 4, 1, g_instIndTexData.size() - 1);
}
if (g_instIndTexData.size()) {
m_instBuf->load(g_instIndTexData.data(), g_instIndTexData.size() * sizeof(SParticleInstanceIndTex));
// CGraphics::SetShaderDataBinding(m_normalDataBind);
// CGraphics::DrawInstances(0, 4, g_instIndTexData.size());
}
}
void CElementGen::SetOrientation(const zeus::CTransform& orientation) {
x1d8_orientation = orientation;
x208_orientationInverse = x1d8_orientation.inverse();
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetOrientation(orientation);
}
void CElementGen::SetTranslation(const zeus::CVector3f& translation) {
xdc_translation = translation;
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren) {
switch (ch->Get4CharId().toUint32()) {
case SBIG('ELSC'):
ch->SetTranslation(translation + x2c0_SEPO);
break;
case SBIG('SWHC'):
ch->SetTranslation(translation + x2b0_SSPO);
break;
default:
ch->SetTranslation(translation);
break;
}
}
}
void CElementGen::SetGlobalOrientation(const zeus::CTransform& rotation) {
x22c_globalOrientation.setRotation(rotation);
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetGlobalOrientation(x22c_globalOrientation);
}
void CElementGen::SetGlobalTranslation(const zeus::CVector3f& translation) {
xe8_globalTranslation = translation;
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetGlobalTranslation(translation);
}
void CElementGen::SetGlobalScale(const zeus::CVector3f& scale) {
x100_globalScale = scale;
x10c_globalScaleTransform = zeus::CTransform::Scale(scale);
x13c_globalScaleTransformInverse = zeus::CTransform::Scale(zeus::skOne3f / scale);
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetGlobalScale(scale);
}
void CElementGen::SetLocalScale(const zeus::CVector3f& scale) {
x16c_localScale = scale;
x178_localScaleTransform = zeus::CTransform::Scale(scale);
x1a8_localScaleTransformInverse = zeus::CTransform::Scale(zeus::skOne3f / scale);
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetLocalScale(scale);
}
void CElementGen::SetGlobalOrientAndTrans(const zeus::CTransform& xf) {
SetGlobalOrientation(xf);
SetGlobalTranslation(xf.origin);
}
void CElementGen::SetParticleEmission(bool enabled) {
x88_particleEmission = enabled;
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetParticleEmission(enabled);
}
void CElementGen::SetModulationColor(const zeus::CColor& color) {
x338_moduColor = color;
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->SetModulationColor(color);
}
void CElementGen::SetGeneratorRate(float rate) {
if (rate >= 0.0f)
x98_generatorRate = rate;
else
x98_generatorRate = 0.0f;
for (std::unique_ptr<CParticleGen>& child : x290_activePartChildren) {
if (child->Get4CharId() == FOURCC('PART'))
child->SetGeneratorRate(x98_generatorRate);
}
}
const zeus::CTransform& CElementGen::GetOrientation() const { return x1d8_orientation; }
const zeus::CVector3f& CElementGen::GetTranslation() const { return xdc_translation; }
const zeus::CTransform& CElementGen::GetGlobalOrientation() const { return x22c_globalOrientation; }
const zeus::CVector3f& CElementGen::GetGlobalTranslation() const { return xe8_globalTranslation; }
const zeus::CVector3f& CElementGen::GetGlobalScale() const { return x100_globalScale; }
const zeus::CColor& CElementGen::GetModulationColor() const { return x338_moduColor; }
bool CElementGen::IsSystemDeletable() const {
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
if (!ch->IsSystemDeletable())
return false;
return x268_PSLT < x74_curFrame && x25c_activeParticleCount == 0;
}
std::optional<zeus::CAABox> CElementGen::GetBounds() const {
if (GetParticleCountAll() == 0)
return std::nullopt;
else
return {x2f0_systemBounds};
}
u32 CElementGen::GetParticleCount() const { return x25c_activeParticleCount; }
bool CElementGen::SystemHasLight() const { return x308_lightType != LightType::None; }
CLight CElementGen::GetLight() const {
switch (x308_lightType) {
case LightType::Directional:
return CLight::BuildDirectional(x320_LDIR.normalized(), x30c_LCLR * x310_LINT);
case LightType::Spot:
return CLight::BuildSpot(x314_LOFF, x320_LDIR.normalized(), x30c_LCLR * x310_LINT, x334_LSLA);
default: {
float quad = x32c_falloffType == EFalloffType::Quadratic ? x330_LFOR : 0.f;
float linear = x32c_falloffType == EFalloffType::Linear ? x330_LFOR : 0.f;
float constant = x32c_falloffType == EFalloffType::Constant ? 1.f : 0.f;
return CLight::BuildCustom(x314_LOFF, {1.f, 0.f, 0.f}, x30c_LCLR, constant, linear, quad, x310_LINT, 0.f, 0.f);
}
}
}
bool CElementGen::GetParticleEmission() const { return x88_particleEmission; }
void CElementGen::DestroyParticles() {
g_ParticleAliveCount -= x30_particles.size();
x30_particles.clear();
x50_parentMatrices.clear();
for (const std::unique_ptr<CParticleGen>& ch : x290_activePartChildren)
ch->DestroyParticles();
}
void CElementGen::Reset() {
x30_particles.clear();
x50_parentMatrices.clear();
x290_activePartChildren.clear();
x74_curFrame = 0;
x78_curSeconds = 0.f;
x84_prevFrame = -1;
x25c_activeParticleCount = 0;
x26d_25_warmedUp = false;
}
void CElementGen::SetMoveRedToAlphaBuffer(bool move) { sMoveRedToAlphaBuffer = move; }
} // namespace metaforce
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