frater/dos-3D-Engine
Watch
1
0
Fork
You've already forked dos-3D-Engine
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

running ok

Browse source
This commit is contained in:
Frater 2026-05-10 11:49:01 +02:00
commit 8e30b7692f
8 changed files with 371 additions and 356 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/part3D/defines.h
View file

@ -12,8 +12,13 @@
#define MODE_HIDDEN 1
#define MODE_SOLID 2
#define SCREEN_W 320
#define SCREEN_H 200
#define SCREEN_PIXELS (SCREEN_W * SCREEN_H)
#define MAX_VERTEX 5000
#define MAX_FACES 8000
#define MAX_OBJECTS 64
typedef struct { uint8_t r, g, b; } RGB;
@ -44,23 +49,36 @@ static __inline fixed f_div(fixed a, fixed b) { if (b == 0) return 0; return (fi
typedef struct { fixed m[3][3]; } Matrix3;
typedef struct { fixed x, y, z; } Vector3;
typedef struct { int a, b, c; uint8_t color; uint8_t force_wire; } Face;
typedef struct { int x, y; fixed z; int intensity; } Point2D;
typedef struct { Vector3 *verts; Vector3 *v_normals; Face *faces; int num_verts, num_faces; } Mesh;
typedef struct { int a, b, c; uint8_t force_wire; } Face;
typedef struct { int x, y; fixed z; fixed intensity; } Point2D;
/* Structure pour l'univers */
/* Un objet dans l'univers : tranche du pool partagé + transform */
typedef struct {
Mesh *mesh;
Vector3 pos;
int vert_start, num_verts; /* indices dans Universe.verts/v_normals */
int face_start, num_faces; /* indices dans Universe.faces */
Vector3 pos; /* position monde courante (mise à jour par orbite) */
Vector3 base_pos; /* offset par rapport au centre d'orbite */
Matrix3 rot;
uint8_t color;
} Object3D;
/* Pool unique pour toute la scène */
typedef struct {
Vector3 verts[MAX_VERTEX];
Vector3 v_normals[MAX_VERTEX];
Face faces[MAX_FACES];
int num_verts, num_faces;
Object3D objects[MAX_OBJECTS];
int num_objects;
} Universe;
typedef struct {
Vector3 pos;
} Camera;
/* Mesh dynamique conservé pour save/load uniquement */
typedef struct { Vector3 *verts; Vector3 *v_normals; Face *faces; int num_verts, num_faces; } Mesh;
/* Globales */
extern fixed sintab[360], costab[360];
extern Point2D v_cache[MAX_VERTEX];
@ -75,12 +93,13 @@ void mat3_rotate_x(Matrix3 *m, int angle);
void mat3_rotate_y(Matrix3 *m, int angle);
void mat3_mul(Matrix3 *res, Matrix3 *a, Matrix3 *b);
void add_sphere(Mesh *m, fixed x, fixed y, fixed z, fixed r, int det, uint8_t col, uint8_t wire);
void add_cylinder(Mesh *m, fixed x, fixed y, fixed z, fixed r, fixed h, int det, uint8_t col, uint8_t wire);
/* Retournent un pointeur sur le nouvel Object3D, NULL si pool saturé */
Object3D* add_sphere (Universe *uni, fixed x, fixed y, fixed z, fixed r, int det, uint8_t col, uint8_t wire);
Object3D* add_cylinder(Universe *uni, fixed x, fixed y, fixed z, fixed r, fixed h, int det, uint8_t col, uint8_t wire);
void render_universe(Object3D *objs, int num_objs, Camera *cam, int mode);
void render_universe(Universe *uni, Camera *cam, int mode);
void init_vga(void);
int init_vga(void);
void clear_buffers(uint8_t color);
void flip(void);
void close_vga(void);
@ -88,7 +107,6 @@ void close_vga(void);
void fill_triangle_gouraud(Point2D *p1, Point2D *p2, Point2D *p3, uint8_t base_color);
void draw_line_z(Point2D *p1, Point2D *p2, uint8_t col, int z_test);
void normalize(Vector3 *v);
void save_mesh(Mesh *m, const char *fn);
Mesh *load_mesh(const char *fname);
void free_mesh(Mesh *m);