prelim CDecal imps

Runtime/Particle/CDecal.cpp

@@ -0,0 +1,43 @@
+#include "CDecal.hpp"
+
+namespace urde
+{
+
+CDecal::CDecal(const TToken<CDecalDescription>& desc, const zeus::CTransform& xf)
+    : x0_description(desc),
+      xc_transform(xf),
+      x3c_decalQuad1(0, 0.f),
+      x48_decalQuad2(0, 0.f)
+{
+    CGlobalRandom gr(sDecalRandom);
+
+    InitQuad(x3c_decalQuad1, x0_description.GetObj()->x0_Quad);
+    InitQuad(x48_decalQuad2, x0_description.GetObj()->x1c_Quad);
+}
+
+void CDecal::InitQuad(CDecal::CQuadDecal& quad, const CDecalDescription::SQuadDescr& desc)
+{
+    if (desc.x14_TEX)
+    {
+        if (desc.x0_LFT)
+            desc.x0_LFT->GetValue(0, quad.x4_lifetime);
+        else
+            quad.x4_lifetime = 0x7FFFFF;
+        if (desc.x8_ROT)
+        {
+            desc.x8_ROT->GetValue(0, quad.x8_rotation);
+            u32 r0 = (quad._dummy >> 25) & 1;
+            r0 &= desc.x8_ROT->IsConstant();
+            quad._dummy = (quad._dummy & ~0x80) | ((r0 << 7) & 0x80);
+        }
+
+        if (desc.x4_SZE)
+        {
+
+        }
+    }
+    else
+        quad.x0_24_ = false;
+}
+
+}