All int elements implemented

DataSpec/DNACommon/ParticleCommon.cpp

@@ -119,7 +119,7 @@ void RealElementFactory::read(Athena::io::YAMLDocReader& r)
         m_elem.reset(new struct RECEXT);
         break;
     case SBIG('ITRL'):
-        m_elem.reset(new struct REITRL);
+        m_elem.reset(new struct REIntTimesReal);
         break;
     default:
         m_elem.reset();
@@ -252,7 +252,7 @@ void RealElementFactory::read(Athena::io::IStreamReader& r)
         m_elem.reset(new struct RECEXT);
         break;
     case SBIG('ITRL'):
-        m_elem.reset(new struct REITRL);
+        m_elem.reset(new struct REIntTimesReal);
         break;
     case SBIG('NONE'):
         m_elem.reset();

DataSpec/DNACommon/ParticleCommon.hpp

@@ -372,7 +372,7 @@ struct RECEXT : IRealElement
     const char* ClassID() const {return "CEXT";}
 };
 
-struct REITRL : IRealElement
+struct REIntTimesReal : IRealElement
 {
     DECL_YAML
     IntElementFactory a;

Runtime/Particle/CIntElement.cpp

@@ -0,0 +1,231 @@
+#include "CIntElement.hpp"
+#include "CParticleGlobals.hpp"
+#include "CRandom16.hpp"
+
+namespace Retro
+{
+
+CIEKeyframeEmitter::CIEKeyframeEmitter(CInputStream& in)
+{
+    x4_percent = in.readUint32Big();
+    x8_unk1 = in.readUint32Big();
+    xc_loop = in.readBool();
+    xd_unk2 = in.readBool();
+    x10_loopEnd = in.readUint32Big();
+    x14_loopStart = in.readUint32Big();
+
+    u32 count = in.readUint32Big();
+    x18_keys.reserve(count);
+    for (u32 i=0 ; i<count ; ++i)
+        x18_keys.push_back(in.readUint32Big());
+}
+
+bool CIEKeyframeEmitter::GetValue(int frame, int& valOut) const
+{
+    if (!x4_percent)
+    {
+        int emitterTime = CParticleGlobals::g_emitterTimeInt;
+        int calcKey = emitterTime;
+        if (xc_loop)
+        {
+            if (emitterTime >= x10_loopEnd)
+            {
+                int v1 = emitterTime - x14_loopStart;
+                int v2 = x10_loopEnd - x14_loopStart;
+                calcKey = v1 % v2;
+                calcKey += x14_loopStart;
+            }
+        }
+        else
+        {
+            int v1 = x10_loopEnd - 1;
+            if (v1 < emitterTime)
+                calcKey = v1;
+        }
+        valOut = x18_keys[calcKey];
+    }
+    else
+    {
+        int ltPerc = CParticleGlobals::g_particleLifetimePercentTweenInt;
+        float ltPercRem = CParticleGlobals::g_particleLifetimePercentTweenIntFloatRem;
+        if (ltPerc == 100)
+            valOut = x18_keys[100];
+        else
+            valOut = ltPercRem * x18_keys[ltPerc+1] + (1.0f - ltPercRem) * x18_keys[ltPerc];
+    }
+    return false;
+}
+
+bool CIEDeath::GetValue(int frame, int &valOut) const
+{
+    x4_a->GetValue(frame, valOut);
+    int b;
+    x8_b->GetValue(frame, b);
+    /* Not 100% sure about this, originally some kinda branchless comparison */
+    return frame > b;
+}
+
+bool CIEClamp::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_min->GetValue(frame, a);
+    x8_max->GetValue(frame, b);
+    xc_val->GetValue(frame, valOut);
+    if (valOut > b)
+        valOut = b;
+    if (valOut < a)
+        valOut = a;
+    return false;
+}
+
+bool CIETimeChain::GetValue(int frame, int& valOut) const
+{
+    int v;
+    xc_swFrame->GetValue(frame, v);
+    if (frame >= v)
+        return x8_b->GetValue(frame, valOut);
+    else
+        return x4_a->GetValue(frame, valOut);
+}
+
+bool CIEAdd::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    valOut = a + b;
+    return false;
+}
+
+bool CIEConstant::GetValue(int frame, int& valOut) const
+{
+    valOut = x4_val;
+    return false;
+}
+
+bool CIEImpulse::GetValue(int frame, int& valOut) const
+{
+    if (frame == 0)
+        x4_a->GetValue(frame, valOut);
+    else
+        valOut = 0;
+    return false;
+}
+
+bool CIELifetimePercent::GetValue(int frame, int& valOut) const
+{
+    int a;
+    x4_percentVal->GetValue(frame, a);
+    a = std::max(0, a);
+    valOut = (a / 100.0f) * CParticleGlobals::g_particleLifetimeFloat;
+    return false;
+}
+
+bool CIEInitialRandom::GetValue(int frame, int& valOut) const
+{
+    if (frame == 0)
+    {
+        int a, b;
+        x4_a->GetValue(frame, a);
+        x8_b->GetValue(frame, b);
+        valOut = CRandom16::GetRandomNumber()->Range(a, b);
+    }
+    return false;
+}
+
+bool CIEPulse::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_aDuration->GetValue(frame, a);
+    x8_bDuration->GetValue(frame, b);
+    int cv = std::max(1, a + b + 1);
+
+    if (b >= 1)
+    {
+        int cv2 = frame % cv;
+        if (cv2 >= a)
+            x10_bVal->GetValue(frame, valOut);
+        else
+            xc_aVal->GetValue(frame, valOut);
+    }
+    else
+        xc_aVal->GetValue(frame, valOut);
+
+    return false;
+}
+
+
+bool CIEMultiply::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    valOut = a * b;
+    return false;
+}
+
+bool CIESampleAndHold::GetValue(int frame, int& valOut) const
+{
+    if (x8_nextSampleFrame < frame)
+    {
+        int b, c;
+        xc_waitFramesMin->GetValue(frame, b);
+        x10_waitFramesMax->GetValue(frame, c);
+        /* const-correctness, who needs it? */
+        ((CIESampleAndHold*)this)->x8_nextSampleFrame = CRandom16::GetRandomNumber()->Range(b, c) + frame;
+        x4_sampleSource->GetValue(frame, valOut);
+        ((CIESampleAndHold*)this)->x14_holdVal = valOut;
+    }
+    else
+        valOut = x14_holdVal;
+    return false;
+}
+
+bool CIERandom::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_min->GetValue(frame, a);
+    x8_max->GetValue(frame, b);
+    if (frame > 0)
+        valOut = CRandom16::GetRandomNumber()->Range(a, b);
+    else
+        valOut = CRandom16::GetRandomNumber()->Next();
+    return false;
+}
+
+bool CIETimeScale::GetValue(int frame, int& valOut) const
+{
+    float a;
+    x4_a->GetValue(frame, a);
+    valOut = float(frame) * a;
+    return false;
+}
+
+bool CIEGTCP::GetValue(int frame, int& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+bool CIEModulo::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    if (b != 0)
+        valOut = a % b;
+    else
+        valOut = a;
+    return false;
+}
+
+bool CIESubtract::GetValue(int frame, int& valOut) const
+{
+    int a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    valOut = a - b;
+    return false;
+}
+
+}

Runtime/Particle/CIntElement.hpp

@@ -45,10 +45,10 @@ class CIETimeChain : public CIntElement
 {
     std::unique_ptr<CIntElement> x4_a;
     std::unique_ptr<CIntElement> x8_b;
-    std::unique_ptr<CIntElement> xc_c;
+    std::unique_ptr<CIntElement> xc_swFrame;
 public:
     CIETimeChain(CIntElement* a, CIntElement* b, CIntElement* c)
-    : x4_a(a), x8_b(b), xc_c(c) {}
+    : x4_a(a), x8_b(b), xc_swFrame(c) {}
     bool GetValue(int frame, int& valOut) const;
 };
 
@@ -81,10 +81,10 @@ public:
 
 class CIELifetimePercent : public CIntElement
 {
-    std::unique_ptr<CIntElement> x4_a;
+    std::unique_ptr<CIntElement> x4_percentVal;
 public:
     CIELifetimePercent(CIntElement* a)
-    : x4_a(a) {}
+    : x4_percentVal(a) {}
     bool GetValue(int frame, int& valOut) const;
 };
 
@@ -100,13 +100,13 @@ public:
 
 class CIEPulse : public CIntElement
 {
-    std::unique_ptr<CIntElement> x4_a;
-    std::unique_ptr<CIntElement> x8_b;
-    std::unique_ptr<CIntElement> xc_c;
-    std::unique_ptr<CIntElement> x10_d;
+    std::unique_ptr<CIntElement> x4_aDuration;
+    std::unique_ptr<CIntElement> x8_bDuration;
+    std::unique_ptr<CIntElement> xc_aVal;
+    std::unique_ptr<CIntElement> x10_bVal;
 public:
     CIEPulse(CIntElement* a, CIntElement* b, CIntElement* c, CIntElement* d)
-    : x4_a(a), x8_b(b), xc_c(c), x10_d(d) {}
+    : x4_aDuration(a), x8_bDuration(b), xc_aVal(c), x10_bVal(d) {}
     bool GetValue(int frame, int& valOut) const;
 };
 
@@ -122,22 +122,24 @@ public:
 
 class CIESampleAndHold : public CIntElement
 {
-    std::unique_ptr<CIntElement> x4_a;
-    std::unique_ptr<CIntElement> x8_b;
-    std::unique_ptr<CIntElement> xc_c;
+    std::unique_ptr<CIntElement> x4_sampleSource;
+    int x8_nextSampleFrame = 0;
+    std::unique_ptr<CIntElement> xc_waitFramesMin;
+    std::unique_ptr<CIntElement> x10_waitFramesMax;
+    int x14_holdVal;
 public:
     CIESampleAndHold(CIntElement* a, CIntElement* b, CIntElement* c)
-    : x4_a(a), x8_b(b), xc_c(c) {}
+    : x4_sampleSource(a), xc_waitFramesMin(b), x10_waitFramesMax(c) {}
     bool GetValue(int frame, int& valOut) const;
 };
 
 class CIERandom : public CIntElement
 {
-    std::unique_ptr<CIntElement> x4_a;
-    std::unique_ptr<CIntElement> x8_b;
+    std::unique_ptr<CIntElement> x4_min;
+    std::unique_ptr<CIntElement> x8_max;
 public:
     CIERandom(CIntElement* a, CIntElement* b)
-    : x4_a(a), x8_b(b) {}
+    : x4_min(a), x8_max(b) {}
     bool GetValue(int frame, int& valOut) const;
 };
 

Runtime/Particle/CParticleDataFactory.cpp

@@ -643,7 +643,7 @@ CRealElement* CParticleDataFactory::GetRealElement(CInputStream& in)
     {
         CIntElement* a = GetIntElement(in);
         CRealElement* b = GetRealElement(in);
-        return new CREITRL(a, b);
+        return new CREIntTimesReal(a, b);
     }
     default: break;
     }

Runtime/Particle/CRealElement.cpp

@@ -2,7 +2,6 @@
 #include "CParticleGlobals.hpp"
 #include "CRandom16.hpp"
 #include <math.h>
-#include <float.h>
 
 namespace Retro
 {
@@ -53,7 +52,7 @@ bool CREKeyframeEmitter::GetValue(int frame, float& valOut) const
         if (ltPerc == 100)
             valOut = x18_keys[100];
         else
-            valOut = x18_keys[ltPerc+1] * ltPercRem + (1.0f - ltPercRem) * x18_keys[ltPerc];
+            valOut = ltPercRem * x18_keys[ltPerc+1] + (1.0f - ltPercRem) * x18_keys[ltPerc];
     }
     return false;
 }
@@ -307,7 +306,7 @@ bool CRECEXT::GetValue(int frame, float& valOut) const
     return false;
 }
 
-bool CREITRL::GetValue(int frame, float& valOut) const
+bool CREIntTimesReal::GetValue(int frame, float& valOut) const
 {
     int a;
     x4_a->GetValue(frame, a);

Runtime/Particle/CRealElement.hpp

@@ -292,12 +292,12 @@ public:
     bool GetValue(int frame, float& valOut) const;
 };
 
-class CREITRL : public CRealElement
+class CREIntTimesReal : public CRealElement
 {
     std::unique_ptr<CIntElement> x4_a;
     std::unique_ptr<CRealElement> x8_b;
 public:
-    CREITRL(CIntElement* a, CRealElement* b)
+    CREIntTimesReal(CIntElement* a, CRealElement* b)
     : x4_a(a), x8_b(b) {}
     bool GetValue(int frame, float& valOut) const;
 };

Runtime/Particle/CVectorElement.cpp

@@ -0,0 +1,165 @@
+#include "CVectorElement.hpp"
+#include "CParticleGlobals.hpp"
+#include "CRandom16.hpp"
+#include <math.h>
+
+namespace Retro
+{
+
+CVEKeyframeEmitter::CVEKeyframeEmitter(CInputStream& in)
+{
+    x4_percent = in.readUint32Big();
+    x8_unk1 = in.readUint32Big();
+    xc_loop = in.readBool();
+    xd_unk2 = in.readBool();
+    x10_loopEnd = in.readUint32Big();
+    x14_loopStart = in.readUint32Big();
+
+    u32 count = in.readUint32Big();
+    x18_keys.reserve(count);
+    for (u32 i=0 ; i<count ; ++i)
+        x18_keys.push_back(in.readFloatBig());
+}
+
+bool CVEKeyframeEmitter::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    if (!x4_percent)
+    {
+        int emitterTime = CParticleGlobals::g_emitterTimeInt;
+        int calcKey = emitterTime;
+        if (xc_loop)
+        {
+            if (emitterTime >= x10_loopEnd)
+            {
+                int v1 = emitterTime - x14_loopStart;
+                int v2 = x10_loopEnd - x14_loopStart;
+                calcKey = v1 % v2;
+                calcKey += x14_loopStart;
+            }
+        }
+        else
+        {
+            int v1 = x10_loopEnd - 1;
+            if (v1 < emitterTime)
+                calcKey = v1;
+        }
+        valOut = x18_keys[calcKey];
+    }
+    else
+    {
+        int ltPerc = CParticleGlobals::g_particleLifetimePercentTweenInt;
+        float ltPercRem = CParticleGlobals::g_particleLifetimePercentTweenIntFloatRem;
+        if (ltPerc == 100)
+            valOut = x18_keys[100];
+        else
+            valOut = ltPercRem * x18_keys[ltPerc+1] + (1.0f - ltPercRem) * x18_keys[ltPerc];
+    }
+    return false;
+}
+
+CVECone::CVECone(CVectorElement* a, CRealElement* b)
+: x4_a(a), x8_b(b)
+{
+    Zeus::CVector3f av;
+    x4_a->GetValue(0, av);
+    Zeus::CVector3f avNorm = av.normalized();
+    if (avNorm[0] > 0.8)
+        xc_vec1 = av.cross(Zeus::CVector3f(0.f, 1.f, 0.f));
+    else
+        xc_vec1 = av.cross(Zeus::CVector3f(1.f, 0.f, 0.f));
+    x18_vec2 = avNorm.cross(xc_vec1);
+}
+
+bool CVECone::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    float b;
+    x8_b->GetValue(frame, b);
+    Zeus::CVector3f av;
+    x4_a->GetValue(0, av);
+    float b2 = std::min(1.f, b);
+    while (true)
+    {
+        float rand = CRandom16::GetRandomNumber()->Float() - 0.5f;
+        float c = 2.f * b2 * rand;
+
+
+        c = c * c;
+
+    }
+}
+
+bool CVEMultiply::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    Zeus::CVector3f a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    valOut = a * b;
+    return false;
+}
+
+bool CVERealToVector::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    float a;
+    x4_a->GetValue(frame, a);
+    valOut = Zeus::CVector3f(a);
+    return false;
+}
+
+bool CVEPulse::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    int a, b;
+    x4_aDuration->GetValue(frame, a);
+    x8_bDuration->GetValue(frame, b);
+    int cv = std::max(1, a + b + 1);
+
+    if (b >= 1)
+    {
+        int cv2 = frame % cv;
+        if (cv2 >= a)
+            x10_bVal->GetValue(frame, valOut);
+        else
+            xc_aVal->GetValue(frame, valOut);
+    }
+    else
+        xc_aVal->GetValue(frame, valOut);
+
+    return false;
+}
+
+bool CVEParticleVelocity::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+bool CVESPOS::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+bool CVEPLCO::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+bool CVEPLOC::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+bool CVEPSOR::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+bool CVEPSOF::GetValue(int frame, Zeus::CVector3f& valOut) const
+{
+    /* TODO: Do */
+    return false;
+}
+
+}

Runtime/Particle/CVectorElement.hpp

@@ -6,13 +6,28 @@
 namespace Retro
 {
 
+class CVEKeyframeEmitter : public CVectorElement
+{
+    u32 x4_percent;
+    u32 x8_unk1;
+    bool xc_loop;
+    bool xd_unk2;
+    u32 x10_loopEnd;
+    u32 x14_loopStart;
+    std::vector<Zeus::CVector3f> x18_keys;
+public:
+    CVEKeyframeEmitter(CInputStream& in);
+    bool GetValue(int frame, Zeus::CVector3f& valOut) const;
+};
+
 class CVECone : public CVectorElement
 {
     std::unique_ptr<CVectorElement> x4_a;
     std::unique_ptr<CRealElement> x8_b;
+    Zeus::CVector3f xc_vec1;
+    Zeus::CVector3f x18_vec2;
 public:
-    CVECone(CVectorElement* a, CRealElement* b)
-    : x4_a(a), x8_b(b) {}
+    CVECone(CVectorElement* a, CRealElement* b);
     bool GetValue(int frame, Zeus::CVector3f& valOut) const;
 };
 
@@ -95,20 +110,6 @@ public:
     bool GetValue(int frame, Zeus::CVector3f& valOut) const;
 };
 
-class CVEKeyframeEmitter : public CVectorElement
-{
-    u32 x4_percent;
-    u32 x8_unk1;
-    bool xc_loop;
-    bool xd_unk2;
-    u32 x10_loopEnd;
-    u32 x14_loopStart;
-    std::vector<Zeus::CVector3f> x18_keys;
-public:
-    CVEKeyframeEmitter(CInputStream& in);
-    bool GetValue(int frame, Zeus::CVector3f& valOut) const;
-};
-
 class CVEMultiply : public CVectorElement
 {
     std::unique_ptr<CVectorElement> x4_a;
@@ -130,13 +131,13 @@ public:
 
 class CVEPulse : public CVectorElement
 {
-    std::unique_ptr<CIntElement> x4_a;
-    std::unique_ptr<CIntElement> x8_b;
-    std::unique_ptr<CVectorElement> xc_c;
-    std::unique_ptr<CVectorElement> x10_d;
+    std::unique_ptr<CIntElement> x4_aDuration;
+    std::unique_ptr<CIntElement> x8_bDuration;
+    std::unique_ptr<CVectorElement> xc_aVal;
+    std::unique_ptr<CVectorElement> x10_bVal;
 public:
     CVEPulse(CIntElement* a, CIntElement* b, CVectorElement* c, CVectorElement* d)
-    : x4_a(a), x8_b(b), xc_c(c), x10_d(d) {}
+    : x4_aDuration(a), x8_bDuration(b), xc_aVal(c), x10_bVal(d) {}
     bool GetValue(int frame, Zeus::CVector3f& valOut) const;
 };