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#ifndef OBJLOAD_H
#define OBJLOAD_H
#include <stdint.h>
typedef enum OBJ_RESULT {
OBJ_SUCCESS = 0,
OBJ_LINE_UNKNOWN,
OBJ_NOT_SUPPORTED_LINE,
OBJ_NOT_SUPPORTED_UNKNOWN,
OBJ_ERROR_UNKNOWN,
} OBJRES;
typedef struct objload {
size_t nvert;
float (*vertices)[3];
size_t nnorm;
float (*normals)[3];
size_t nuv;
float (*uvcoord)[2];
size_t nfaces;
struct face {
size_t vertidx;
size_t normidx;
size_t uvidx;
} (*faces)[3];
} objload_t;
struct obj_struct_metadata {
size_t full_sz;
size_t vert_off;
size_t norm_off;
size_t uvtx_off;
enum {
OBJ_STRUCT_VERT_EXISTS = 1 << 0,
OBJ_STRUCT_NORM_EXISTS = 1 << 1,
OBJ_STRUCT_UVTX_EXISTS = 1 << 2,
OBJ_STRUCT_ALL_EXIST = 7,
} exist_flag;
};
typedef uint32_t obj_idx;
OBJRES obj_load(FILE *fp, objload_t *obj);
void obj_free(objload_t obj);
OBJRES obj_transfer_raw(objload_t obj,
struct obj_struct_metadata metadata,
size_t *nvbo, void *vbo);
// OBJRES obj_transfer_indexed(objload_t obj,
// size_t *nvbo, obj_vbo vbo,
// size_t *nidx, obj_idx ibo);
#endif
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