/*!
 * @file md3_model.h
 *
 * Code heavely inspired by: JAVA MD3 Model Viewer - A Java based Quake 3 model viewer
 * Copyright (C) 1999 Erwin 'KLR8' Vervaet
 */

#ifndef _MD3_MODEL_H
#define _MD3_MODEL_H

#include <string>
#include "interactive_model.h"


namespace md3
{


class MD3Data;
class MD3BoneFrame;
class MD3Mesh;
struct MD3Normal;


class MD3Model : public InteractiveModel
{

  public:
    MD3Model(std::string filename, float scaling);
    ~MD3Model();

    virtual void setAnimation(int animNum, int playbackMode = 0) {}

    virtual void tick(float dt) {}

    virtual void draw();


  private:
    void draw(MD3Data* data);

    void drawMesh(MD3Mesh* mesh, sVec3D* frame);
    void drawVertexNormals(sVec3D* frame, MD3Normal* normals);


    MD3BoneFrame* interpolateBoneFrame(MD3BoneFrame* currBoneFrame, MD3BoneFrame* nextBoneFrame, float frac);
    void drawBoneFrame(MD3BoneFrame* frame);

    sVec3D* interpolateMeshFrame(MD3Mesh* mesh, int startFrame, int nextMeshFrame, float frac);

    MD3Normal* interpolateVertexNormals(MD3Normal* curNormals, MD3Normal* nextNormals, float frac);


  private:
    MD3Data*            md3Data;           //!< reference to the md3 model data

    bool                bDrawBones;        //!< draws the bone frames too
    bool                bDrawNormals;      //!< draw the normals
};

}

#endif /* _MD3_MODEL_H */