added animation system (with skin support for now)

src/animation/AnimBlendClumpData.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include "AnimBlendList.h"
+
+
+// TODO: put somewhere else
+struct AnimBlendFrameData
+{
+	enum {
+		IGNORE_ROTATION = 2,
+		IGNORE_TRANSLATION = 4,
+		VELOCITY_EXTRACTION = 8,
+		VELOCITY_EXTRACTION_3D = 0x10,
+	};
+
+	uint8 flag;
+	RwV3d resetPos;
+#ifdef PED_SKIN
+	union {
+		RwFrame *frame;
+		RpHAnimStdKeyFrame *hanimframe;
+	};
+	int32 nodeID;
+#else
+	RwFrame *frame;
+#endif
+};
+#ifndef PED_SKIN
+static_assert(sizeof(AnimBlendFrameData) == 0x14, "AnimBlendFrameData: error");
+#endif
+
+
+class CAnimBlendClumpData
+{
+public:
+	CAnimBlendLink link;
+	int32 numFrames;
+#ifdef PED_SKIN
+	int32 modelNumber;	// doesn't seem to be used
+#endif
+	CVector *pedPosition;
+	// order of frames is determined by RW hierarchy
+	AnimBlendFrameData *frames;
+
+	CAnimBlendClumpData(void);
+	~CAnimBlendClumpData(void);
+	void SetNumberOfFrames(int n);
+#ifdef PED_SKIN
+	void SetNumberOfBones(int n) { SetNumberOfFrames(n); }
+#endif
+	void ForAllFrames(void (*cb)(AnimBlendFrameData*, void*), void *arg);
+
+
+	CAnimBlendClumpData *ctor(void) { return ::new (this) CAnimBlendClumpData(); }
+	void dtor(void) { this->CAnimBlendClumpData::~CAnimBlendClumpData(); }
+};
+static_assert(sizeof(CAnimBlendClumpData) == 0x14, "CAnimBlendClumpData: error");