SParticleMetrics is a lie

Editor/ViewManager.cpp

@@ -45,6 +45,10 @@ void ViewManager::ParticleView::draw(boo::IGraphicsCommandQueue *gfxQ)
     if (m_vm.m_partGen)
     {
         m_vm.m_partGen->Update(1.0 / 60.0);
+
+        if (m_vm.m_partGen->IsSystemDeletable())
+            m_vm.m_partGen->Reset();
+
         pshag::CGraphics::SetModelMatrix(Zeus::CTransform::Identity());
         pshag::CGraphics::SetViewPointMatrix(Zeus::CTransform::Identity() + Zeus::CVector3f(0.f, -10.f, 0.f));
         boo::SWindowRect windowRect = m_vm.m_mainWindow->getWindowFrame();

Runtime/Particle/CColorElement.cpp

@@ -1,4 +1,5 @@
 #include "CColorElement.hpp"
+#include "CElementGen.hpp"
 #include "CParticleGlobals.hpp"
 #include "CRandom16.hpp"
 #include <math.h>
@@ -152,7 +153,7 @@ bool CCEPulse::GetValue(int frame, Zeus::CColor& valOut) const
 
 bool CCEParticleColor::GetValue(int /*frame*/, Zeus::CColor& colorOut) const
 {
-    colorOut = CParticleGlobals::g_particleMetrics->x34_pcol;
+    colorOut = CElementGen::g_currentParticle->x34_color;
     return false;
 }
 

Runtime/Particle/CElementGen.cpp

@@ -22,6 +22,7 @@ int CElementGen::g_ParticleSystemAliveCount;
 s32 CElementGen::g_FreeIndex;
 bool CElementGen::g_StaticListInitialized = false;
 bool CElementGen::g_MoveRedToAlphaBuffer = false;
+CElementGen::CParticle* CElementGen::g_currentParticle = nullptr;
 static rstl::reserved_vector<CElementGen::CParticle, MAX_GLOBAL_PARTICLES> g_StaticParticleList;
 static rstl::reserved_vector<u16, MAX_GLOBAL_PARTICLES> g_StaticFreeList;
 
@@ -580,6 +581,8 @@ void CElementGen::UpdateExistingParticles()
          p != x2c_particleLists.end();)
     {
         CElementGen::CParticle& particle = g_StaticParticleList[p->x0_partIdx];
+        g_currentParticle = &particle;
+
         if (particle.x0_endFrame < x50_curFrame)
         {
             g_StaticFreeList[++g_FreeIndex] = p->x0_partIdx;
@@ -1287,6 +1290,8 @@ void CElementGen::RenderModels()
     for (CParticleListItem& item : x2c_particleLists)
     {
         CParticle& particle = g_StaticParticleList[item.x0_partIdx];
+        g_currentParticle = &particle;
+
         if (particle.x0_endFrame == -1)
         {
             ++matrixIt;
@@ -1461,6 +1466,8 @@ void CElementGen::RenderLines()
     for (CParticleListItem& item : x2c_particleLists)
     {
         CParticle& particle = g_StaticParticleList[item.x0_partIdx];
+        g_currentParticle = &particle;
+
         int partFrame = x50_curFrame - particle.x28_startFrame;
 
         if (!constTexr)
@@ -1611,6 +1618,8 @@ void CElementGen::RenderParticles()
         for (CParticleListItem& item : x2c_particleLists)
         {
             CParticle& particle = g_StaticParticleList[item.x0_partIdx];
+            g_currentParticle = &particle;
+
             int partFrame = x50_curFrame - particle.x28_startFrame - 1;
             Zeus::CVector3f viewPoint;
             if (desc->x44_28_SORT)
@@ -1741,6 +1750,8 @@ void CElementGen::RenderParticles()
         for (CParticleListItem& item : x2c_particleLists)
         {
             CParticle& particle = g_StaticParticleList[item.x0_partIdx];
+            g_currentParticle = &particle;
+
             int partFrame = x50_curFrame - particle.x28_startFrame - 1;
 
             if (!constTexr)
@@ -1912,23 +1923,6 @@ void CElementGen::RenderParticlesIndirectTexture()
     bool constIndUVs = tind->HasConstantUV();
     tind->GetValueUV(partFrame, uvsInd);
 
-    if (!desc->x45_30_CIND)
-    {
-        /* 1. TEXC
-         * 2. Indirect TEXC * RASC + PREVC
-         */
-    }
-    else
-    {
-        /* 1. TEXC * RASC
-         * 2. Indirect TEXC * PREVC
-         */
-    }
-
-    /* 1. TEXA
-     * 2. RASA * PREVA
-     */
-
     if (desc->x44_28_SORT)
     {
         for (CParticleListItem& item : x2c_particleLists)
@@ -1950,6 +1944,8 @@ void CElementGen::RenderParticlesIndirectTexture()
     for (CParticleListItem& item : x2c_particleLists)
     {
         CParticle& particle = g_StaticParticleList[item.x0_partIdx];
+        g_currentParticle = &particle;
+
         int partFrame = x50_curFrame - particle.x28_startFrame;
         Zeus::CVector3f viewPoint;
         if (desc->x44_28_SORT)

Runtime/Particle/CElementGen.hpp

@@ -60,9 +60,8 @@ public:
             --g_ParticleAliveCount;
         }
     };
-    class CParticle
+    struct CParticle
     {
-        friend class CElementGen;
         int x0_endFrame = 0;
         Zeus::CVector3f x4_pos;
         Zeus::CVector3f x10_prevPos;
@@ -72,6 +71,7 @@ public:
         float x30_lineWidthOrRota = 0.f;
         Zeus::CColor x34_color = {0.f, 0.f, 0.f, 1.f};
     };
+    static CParticle* g_currentParticle;
 private:
     friend class CElementGenShaders;
     TLockedToken<CGenDescription> x1c_genDesc;

Runtime/Particle/CParticleGlobals.cpp

@@ -14,6 +14,5 @@ float CParticleGlobals::g_ParticleLifetimePercentageReal = 0.0;
 float CParticleGlobals::g_ParticleLifetimePercentageRemainder = 0.0;
 
 float* CParticleGlobals::g_papValues = nullptr;
-CParticleGlobals::SParticleMetrics* CParticleGlobals::g_particleMetrics = nullptr;
 CParticleGlobals::SParticleSystem* CParticleGlobals::g_currentParticleSystem = nullptr;
 }

Runtime/Particle/CParticleGlobals.hpp

@@ -40,23 +40,12 @@ public:
 
     static float* g_papValues;
 
-    struct SParticleMetrics
-    {
-        Zeus::CVector3f x0_ploc;
-        Zeus::CVector3f x10_plco;
-        Zeus::CVector3f x1c_pvel;
-        float x2c_psll;
-        float x30_prlw;
-        Zeus::CColor x34_pcol;
-    };
-
     struct SParticleSystem
     {
         FourCC x0_type;
         CParticleGen* x4_system;
     };
 
-    static SParticleMetrics* g_particleMetrics;
     static SParticleSystem* g_currentParticleSystem;
 };
 

Runtime/Particle/CVectorElement.cpp

@@ -1,7 +1,7 @@
 #include "CVectorElement.hpp"
 #include "CParticleGlobals.hpp"
 #include "CRandom16.hpp"
-#include "CParticleGen.hpp"
+#include "CElementGen.hpp"
 #include <math.h>
 
 namespace pshag
@@ -264,19 +264,19 @@ bool CVEPulse::GetValue(int frame, Zeus::CVector3f& valOut) const
 
 bool CVEParticleVelocity::GetValue(int /*frame*/, Zeus::CVector3f& valOut) const
 {
-    valOut = CParticleGlobals::g_particleMetrics->x1c_pvel;
+    valOut = CElementGen::g_currentParticle->x1c_vel;
     return false;
 }
 
 bool CVEPLCO::GetValue(int /*frame*/, Zeus::CVector3f& valOut) const
 {
-    valOut = CParticleGlobals::g_particleMetrics->x10_plco;
+    valOut = CElementGen::g_currentParticle->x10_prevPos;
     return false;
 }
 
 bool CVEPLOC::GetValue(int /*frame*/, Zeus::CVector3f& valOut) const
 {
-    valOut = CParticleGlobals::g_particleMetrics->x0_ploc;
+    valOut = CElementGen::g_currentParticle->x4_pos;
     return false;
 }