All MP1 element decls in

2025-12-09 04:27:42 +00:00 · 2016-02-04 22:34:14 -10:00
parent e060746b14
commit 8b02f897e6
12 changed files with 824 additions and 8 deletions
--- a/Runtime/Particle/CRealElement.cpp
+++ b/Runtime/Particle/CRealElement.cpp
@@ -0,0 +1,109 @@
+#include "CRealElement.hpp"
+#include "CParticleGlobals.hpp"
+
+namespace Retro
+{
+
+CREKeyframeEmitter::CREKeyframeEmitter(CInputStream& in)
+{
+    x4_percent = in.readUint32Big();
+    x8_a = in.readUint32Big();
+    xc_b = in.readBool();
+    xd_c = in.readBool();
+    x10_d = in.readUint32Big();
+    x14_e = in.readUint32Big();
+
+    u32 count = in.readUint32Big();
+    x18_keys.reserve(count);
+    for (u32 i=0 ; i<count ; ++i)
+        x18_keys.push_back(in.readFloatBig());
+}
+
+bool CREKeyframeEmitter::GetValue(int frame, float& valOut) const
+{
+    if (!x4_percent)
+    {
+        int emitterTime = CParticleGlobals::g_emitterTimeInt;
+        int calcKey = emitterTime;
+        if (xc_b)
+        {
+            if (emitterTime >= x10_d)
+            {
+                int v1 = emitterTime - x14_e;
+                int v2 = x10_d - x14_e;
+                calcKey = v1 / v2;
+                calcKey *= v2;
+                calcKey = v1 - calcKey;
+                calcKey += x14_e;
+            }
+            valOut = x18_keys[calcKey];
+        }
+        else
+        {
+            int x10_d_m1 = x10_d - 1;
+            if (x10_d_m1 < calcKey)
+                calcKey = x10_d_m1;
+            valOut = x18_keys[calcKey];
+        }
+    }
+    else
+    {
+        int ltPerc = CParticleGlobals::g_particleLifetimePercentTweenInt;
+        float ltPercRem = CParticleGlobals::g_particleLifetimePercentTweenIntFloatRem;
+        if (ltPerc == 100)
+            valOut = x18_keys[100];
+        else
+            valOut = x18_keys[ltPerc+1] * ltPercRem + (1.0f - ltPercRem) * x18_keys[ltPerc];
+    }
+    return false;
+}
+
+bool CRELifetimeTween::GetValue(int frame, float& valOut) const
+{
+    float ltFac = frame / CParticleGlobals::g_particleLifetimeFloat;
+    float a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    valOut = b * ltFac + (1.0f - ltFac) * a;
+    return false;
+}
+
+bool CREConstant::GetValue(int frame, float& valOut) const
+{
+    valOut = x4_val;
+    return false;
+}
+
+bool CRETimeChain::GetValue(int frame, float& valOut) const
+{
+    int v;
+    xc_c->GetValue(frame, v);
+    if (frame >= v)
+        return x8_b->GetValue(frame, valOut);
+    else
+        return x4_a->GetValue(frame, valOut);
+}
+
+bool CREAdd::GetValue(int frame, float& valOut) const
+{
+    float a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    valOut = a + b;
+    return false;
+}
+
+bool CREClamp::GetValue(int frame, float &valOut) const
+{
+    float a, b;
+    x4_a->GetValue(frame, a);
+    x8_b->GetValue(frame, b);
+    xc_c->GetValue(frame, valOut);
+    if (valOut > b)
+        valOut = b;
+    if (valOut < a)
+        valOut = a;
+    return false;
+}
+
+}