added animation system (with skin support for now)

src/animation/AnimBlendHierarchy.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "templates.h"
+
+class CAnimBlendSequence;
+
+// A collection of sequences
+class CAnimBlendHierarchy
+{
+public:
+	char name[24];
+	CAnimBlendSequence *sequences;
+	int16 numSequences;
+	int16 compressed;	// not really used
+	float totalLength;
+	CLink<CAnimBlendHierarchy*> *linkPtr;
+
+	CAnimBlendHierarchy(void);
+	void Shutdown(void);
+	void SetName(char *name);
+	void CalcTotalTime(void);
+	void RemoveQuaternionFlips(void);
+	void RemoveAnimSequences(void);
+	void Uncompress(void);
+	void RemoveUncompressedData(void);
+};
+static_assert(sizeof(CAnimBlendHierarchy) == 0x28, "CAnimBlendHierarchy: error");