md5.h

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#include "include.h"

#ifndef MD5_H
#define MD5_H

#include <stack>

class MD5
{
public:
    MD5();
    ~MD5();

    int load_md5(char *file);
    int load_md5_animation(char *file, anim_list_t *plist);

    void PrepareMesh(int mesh_index, md5_joint_t *skeleton, int &num_index, int *index_array, vertex_t *vertex_array, int &num_vertex);

    void generate_animation(md5_joint_t **&frame, md5_anim_t *anim);
    void destroy_animation(md5_joint_t **&frame, md5_anim_t *anim);
    void generate_tangent(int *index_array, int num_index, vertex_t *vertex_array, int num_vertex);

private:
    void InterpolateSkeletons(const md5_joint_t *skelA, const md5_joint_t *skelB, int num_joints, float interp, md5_joint_t *out);

    void calc_tangent(vertex_t &a, vertex_t &b, vertex_t &c);
    void build_frame(md5_joint_t *joint, float *frame, md5_anim_t *anim);


    int parse_joint(char *data, md5_joint_t *joint, int num_joint);
    int parse_mesh(char *data, md5_mesh_t *mesh);
    int parse_hierarchy(char *data, int num_joint, md5_hierarchy_t *hierarchy);
    int parse_bounds(char *data, int num_bound, md5_aabb_t *aabb);
    int parse_base(char *data, int num_base, md5_base_t *base);
    int parse_frame(char *data, int num_frame, int num_ani, float *frame);


    bool            loaded;
    stack<anim_list_t *> plist_stack;
public:
    //TODO: dynamically allocate these
    vertex_t    vertex_array[32][8196];
    int         index_array[32][8196];
    int         num_index[32];
    int         num_vertex[32];
    md5_model_t *model;
};

#endif