boarfds

src/part3D/defines.h

@@ -1,3 +1,6 @@
+#ifndef DEFINE_H
+#define DEFINE_H
+
 #include <stdint.h>
 #include <stdlib.h>
 #include <math.h>
@@ -5,4 +8,99 @@
 #include <stdio.h>
 #include <conio.h>
 
-typedef int32_t fixed;
+#define MODE_WIRE 		0	// Transparent totalv_cache
+#define MODE_HIDDEN 	1	// Fil de fer avec surfaces cachées
+#define MODE_SOLID 		2	// Plein (Gouraud)
+
+#define MAX_VERTEX			5000
+#define MAX_FACES			8000
+
+typedef int32_t fixed;
+
+#define f_to_int(a)    ((a) >> 16)
+#define int_to_f(a)    ((a) << 16)
+// #define f_mul(a, b)    ((fixed)(((int64_t)(a) * (b)) >> 16))
+
+// --- Remplacement des inlines ---
+static __inline fixed f_mul(fixed a, fixed b) { return (fixed)(((int64_t)a * b) >> 16); }
+static __inline fixed f_div(fixed a, fixed b) { if (b == 0) return 0; return (fixed)(((int64_t)a << 16) / b); }
+
+// Matrice 3x3 pour la rotation des normales et des sommets
+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 {
+    Mesh *mesh;         // Pointeur vers le modèle 3D (partagé si plusieurs sphères)
+    Vector3 position;   // Position dans le monde
+    Matrix3 rotation;   // Rotation locale de l'objet
+} Object3D;
+
+typedef struct { uint8_t r, g, b; } RGB;
+
+// --- Ajout des déclarations de tables ---
+extern fixed sintab[360];
+extern fixed costab[360];
+extern fixed inv_table[321];
+extern Point2D v_cache[MAX_VERTEX];
+extern uint8_t *backbuffer;
+extern uint16_t *zbuffer;
+extern uint8_t *vga;
+
+// Engine.C
+void init_engine_math();
+void normalize(Vector3 *v);
+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);
+
+// geometry.c
+void add_face(Mesh *m, int a, int b, int c, uint8_t col, uint8_t wire);
+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);
+void save_mesh(Mesh *m, const char *fn);
+Mesh* load_mesh(const char *fname);
+void free_mesh(Mesh *m);
+void render_scene(Mesh *m, Matrix3 *rot, int global_mode);
+
+// Raster.c
+void draw_line_z(Point2D *p1, Point2D *p2, uint8_t col, int z_test);
+void swap_pt(Point2D **a, Point2D **b);
+void fill_triangle_gouraud(Point2D *p1, Point2D *p2, Point2D *p3, uint8_t base_color);
+void fill_triangle_zonly(Point2D *p1, Point2D *p2, Point2D *p3);
+
+// Graph.c
+void init_vga();
+void clear_buffers(uint8_t color);
+void flip();
+void close_vga();
+
+// Math.c
+void mat3_identity(Matrix3 *mat);
+void init_engine_math();
+void normalize(Vector3 *v);
+
+#endif // DEFINE_H