#ifndef MODEL_H
#define MODEL_H

#include "linear_alg.h"

#include <stdint.h>
#include <stddef.h>

typedef uint16_t index_t;

typedef struct {
	vec3_t position;
	vec3_t normal;
	u16_vec4_t bones;
	vec4_t weights;
} vertex_t;

typedef struct {
	uint32_t parent;
	vec3_t translation;
	vec4_t rotation;
	vec3_t scale;
} bone_t;

typedef struct {
	vec3_t *translations;
	vec4_t *rotations;
	vec3_t *scales;
} animation_bone_t;

typedef struct {
	float *times;
	size_t keyframe_count;
	animation_bone_t *bones;
} animation_t;

typedef struct {
	vertex_t *vertices;
	index_t *indices;
	bone_t *bones;
	mat4_t *inverse_bind_matrices;
	animation_t animation;
	size_t vertex_count;
	size_t index_count;
	size_t bone_count;
} model_t;

model_t model_init(size_t vertex_count, size_t index_count);
void model_cleanup(model_t *m);

#endif