added animation system (with skin support for now)

src/animation/AnimBlendClumpData.cpp

@@ -0,0 +1,46 @@
+#include "common.h"
+#include "patcher.h"
+#include "AnimBlendClumpData.h"
+
+// TODO: implement those
+#define RwFreeAlign RwFree
+#define RwMallocAlign(sz, algn) RwMalloc(sz)
+
+CAnimBlendClumpData::CAnimBlendClumpData(void)
+{
+	numFrames = 0;
+	pedPosition = nil;
+	frames = nil;
+	link.Init();
+}
+
+CAnimBlendClumpData::~CAnimBlendClumpData(void)
+{
+	link.Remove();
+	if(frames)
+		RwFreeAlign(frames);
+}
+
+void
+CAnimBlendClumpData::SetNumberOfFrames(int n)
+{
+	if(frames)
+		RwFreeAlign(frames);
+	numFrames = n;
+	frames = (AnimBlendFrameData*)RwMallocAlign(numFrames * sizeof(AnimBlendFrameData), 64);
+}
+
+void
+CAnimBlendClumpData::ForAllFrames(void (*cb)(AnimBlendFrameData*, void*), void *arg)
+{
+	int i;
+	for(i = 0; i < numFrames; i++)
+		cb(&frames[i], arg);
+}
+
+STARTPATCHES
+	InjectHook(0x401880, &CAnimBlendClumpData::ctor, PATCH_JUMP);
+	InjectHook(0x4018B0, &CAnimBlendClumpData::dtor, PATCH_JUMP);
+	InjectHook(0x4018F0, &CAnimBlendClumpData::SetNumberOfFrames, PATCH_JUMP);
+	InjectHook(0x401930, &CAnimBlendClumpData::ForAllFrames, PATCH_JUMP);
+ENDPATCHES