67 lines
1.1 KiB
C
67 lines
1.1 KiB
C
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
struct index_ptn {
|
|
uint16_t position;
|
|
uint16_t texture;
|
|
uint16_t normal;
|
|
};
|
|
|
|
union triangle {
|
|
struct {
|
|
struct index_ptn a;
|
|
struct index_ptn b;
|
|
struct index_ptn c;
|
|
};
|
|
struct index_ptn v[3];
|
|
};
|
|
|
|
union quadrilateral {
|
|
struct {
|
|
struct index_ptn a;
|
|
struct index_ptn b;
|
|
struct index_ptn c;
|
|
struct index_ptn d;
|
|
};
|
|
struct index_ptn v[4];
|
|
};
|
|
|
|
struct vertex_position { // signed 4.6 fixed point
|
|
int16_t x;
|
|
int16_t y;
|
|
int16_t z;
|
|
};
|
|
|
|
struct vertex_normal { // s.9 fixed point
|
|
int16_t x;
|
|
int16_t y;
|
|
int16_t z;
|
|
};
|
|
|
|
struct vertex_texture { // s.15 fixed point
|
|
int16_t u;
|
|
int16_t v;
|
|
};
|
|
|
|
typedef struct vertex_position vertex_position;
|
|
typedef struct vertex_normal vertex_normal;
|
|
typedef struct vertex_texture vertex_texture;
|
|
|
|
struct object {
|
|
union triangle * triangle;
|
|
union quadrilateral * quadrilateral;
|
|
int triangle_count;
|
|
int quadrilateral_count;
|
|
int material;
|
|
};
|
|
|
|
struct model {
|
|
vertex_position * position;
|
|
vertex_texture * texture;
|
|
vertex_normal * normal;
|
|
|
|
struct object ** object;
|
|
int object_count;
|
|
};
|