Add skinning

src/render/animation.h

@@ -0,0 +1,68 @@
+#ifndef ANIMATION_H
+#define ANIMATION_H
+
+#include <vector>
+
+#include "render_shared.h"
+
+#define INVALID_ANIMATION_HANDLE -1
+
+// Animation types
+typedef /*int16_t*/ int AnimationId_t;
+
+class Model;
+
+/* Joint */
+struct Joint
+{
+	char name[64];
+	int parentId;
+
+	glm::vec3 origin;
+	glm::quat orient;
+};
+
+/* Animation */
+struct Animation
+{
+	char name[64];
+	uint32_t numPoses;
+	uint32_t numFrames;
+	float framerate;
+	std::vector< glm::vec3 > origin;
+	std::vector< glm::quat > orient;
+};
+
+/* Skeleton */
+class SkeletonInstance
+{
+public:
+	Model* m_model;
+	std::vector<Joint> m_joints;
+	std::vector<glm::mat4> m_jointMatrices;
+	std::vector<glm::mat4> m_finalMatrices;
+	AnimationId_t m_animation;
+	float m_time;
+	bool m_looped;
+
+public:
+	SkeletonInstance();
+	~SkeletonInstance();
+
+	bool IsValid();
+
+	void LoadAnimation(const char* filename);
+
+	AnimationId_t FindAnimation(const char* name);
+	uint32_t GetNumAnimations();
+	float GetAnimationTime(AnimationId_t id);
+
+	void PlayAnimation(AnimationId_t id, bool looped);
+	void StopAnimation();
+
+	AnimationId_t GetCurrentAnimation();
+	float GetCurrentTime();
+
+};
+
+#endif // !ANIMATION_H