1、Timeline

struct Timeline {
	const void* const vtable;
};

struct BoneData {
	const char* const name;
	BoneData* const parent;
	float length;
	float x,y;
	float rotation;
	float scaleX,scaleY;
};

typedef struct {
	const char* const name;
	const BoneData* const boneData;
	const char* const attachmentName;
	float r,g,b,a;
} SlotData;

typedef struct {
	const char* const name;
} Skin;

typedef struct {
	const char* const name;
	float duration;

	int timelineCount;
	Timeline** timelines;
} Animation;