581 lines
21 KiB
C
581 lines
21 KiB
C
#include "defines.h"
|
|
#include <stdio.h>
|
|
|
|
#ifndef MINIMAL_PLAYER
|
|
static void push_face(Universe *uni, Object3D *obj, int a, int b, int c, uint8_t wire) {
|
|
Face *f = &uni->faces[uni->num_faces++];
|
|
f->a = a; f->b = b; f->c = c;
|
|
f->force_wire = wire;
|
|
obj->num_faces++;
|
|
}
|
|
|
|
static Object3D *alloc_object(Universe *uni) {
|
|
Object3D *obj = &uni->objects[uni->num_objects++];
|
|
obj->vert_start = uni->num_verts;
|
|
obj->face_start = uni->num_faces;
|
|
obj->num_verts = 0;
|
|
obj->num_faces = 0;
|
|
obj->pos.x = obj->pos.y = obj->pos.z = 0;
|
|
obj->base_pos.x = obj->base_pos.y = obj->base_pos.z = 0;
|
|
mat3_identity(&obj->rot);
|
|
return obj;
|
|
}
|
|
|
|
/* Déplacement absolu : fixe la position de l'objet dans l'espace de l'orbite */
|
|
void set_object_pos(Object3D *obj, fixed x, fixed y, fixed z) {
|
|
if (!obj) return;
|
|
obj->base_pos.x = x;
|
|
obj->base_pos.y = y;
|
|
obj->base_pos.z = z;
|
|
}
|
|
|
|
/* Déplacement relatif : ajoute un décalage à la position actuelle */
|
|
void move_object(Object3D *obj, fixed dx, fixed dy, fixed dz) {
|
|
if (!obj) return;
|
|
obj->base_pos.x += dx;
|
|
obj->base_pos.y += dy;
|
|
obj->base_pos.z += dz;
|
|
}
|
|
|
|
/* Changement de couleur */
|
|
void set_object_color(Object3D *obj, uint8_t col) {
|
|
if (!obj) return;
|
|
obj->color = col;
|
|
}
|
|
|
|
Object3D *add_box(Universe *uni, fixed x, fixed y, fixed z, fixed dx, fixed dy, fixed dz, uint8_t col, uint8_t wire) {
|
|
int i, j, v_base;
|
|
Object3D *obj;
|
|
fixed hx = dx / 2, hy = dy / 2, hz = dz / 2;
|
|
|
|
/* Normales des 6 faces : +Z, -Z, +Y, -Y, +X, -X */
|
|
fixed nx[6] = {0, 0, 0, 0, int_to_f(1), -int_to_f(1)};
|
|
fixed ny[6] = {0, 0, int_to_f(1), -int_to_f(1), 0, 0};
|
|
fixed nz[6] = {int_to_f(1), -int_to_f(1), 0, 0, 0, 0};
|
|
|
|
/* Configuration des sommets pour respecter le "face culling" (sens trigo) */
|
|
/*
|
|
int sx[24] = {-1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1};
|
|
int sy[24] = {-1, -1, 1, 1, -1, -1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, 1};
|
|
int sz[24] = { 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1};
|
|
*/
|
|
|
|
/* Ordre CCW rigoureux pour que le "back-face culling" affiche les 6 faces */
|
|
int sx[24] = {
|
|
-1, 1, 1, -1, /* Face +Z (Avant) */
|
|
1, -1, -1, 1, /* Face -Z (Arrière) */
|
|
-1, 1, 1, -1, /* Face +Y (Haut) */
|
|
-1, 1, 1, -1, /* Face -Y (Bas) */
|
|
1, 1, 1, 1, /* Face +X (Droite) */
|
|
-1, -1, -1, -1 /* Face -X (Gauche) */
|
|
};
|
|
|
|
int sy[24] = {
|
|
-1, -1, 1, 1, /* Face +Z */
|
|
-1, -1, 1, 1, /* Face -Z */
|
|
1, 1, 1, 1, /* Face +Y */
|
|
-1, -1, -1, -1, /* Face -Y */
|
|
-1, -1, 1, 1, /* Face +X */
|
|
-1, -1, 1, 1 /* Face -X */
|
|
};
|
|
|
|
int sz[24] = {
|
|
1, 1, 1, 1, /* Face +Z */
|
|
-1, -1, -1, -1, /* Face -Z */
|
|
1, 1, -1, -1, /* Face +Y */
|
|
-1, -1, 1, 1, /* Face -Y */
|
|
1, -1, -1, 1, /* Face +X */
|
|
-1, 1, 1, -1 /* Face -X */
|
|
};
|
|
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + 24 > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + 12 > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
|
|
for (i = 0; i < 6; i++) {
|
|
for(j = 0; j < 4; j++) {
|
|
int idx = i * 4 + j;
|
|
uni->v_normals[uni->num_verts].x = nx[i];
|
|
uni->v_normals[uni->num_verts].y = ny[i];
|
|
uni->v_normals[uni->num_verts].z = nz[i];
|
|
uni->verts[uni->num_verts].x = x + (sx[idx] > 0 ? hx : -hx);
|
|
uni->verts[uni->num_verts].y = y + (sy[idx] > 0 ? hy : -hy);
|
|
uni->verts[uni->num_verts].z = z + (sz[idx] > 0 ? hz : -hz);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
/* Deux triangles par face */
|
|
push_face(uni, obj, v_base + i * 4, v_base + i * 4 + 1, v_base + i * 4 + 2, wire);
|
|
push_face(uni, obj, v_base + i * 4, v_base + i * 4 + 2, v_base + i * 4 + 3, wire);
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
Object3D *add_sphere(Universe *uni, fixed x, fixed y, fixed z, fixed r, int det, uint8_t col, uint8_t wire) {
|
|
int i, j, v_base, phi, th;
|
|
Object3D *obj;
|
|
Vector3 *v, *n;
|
|
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + (det + 1) * det > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + det * det * 2 > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
|
|
for (j = 0; j <= det; j++) {
|
|
phi = (j * 180 / det) % 360;
|
|
for (i = 0; i < det; i++) {
|
|
th = (i * 360 / det) % 360;
|
|
v = &uni->verts[uni->num_verts];
|
|
n = &uni->v_normals[uni->num_verts];
|
|
|
|
n->x = f_mul(sintab[phi], costab[th]);
|
|
n->y = costab[phi];
|
|
n->z = f_mul(sintab[phi], sintab[th]);
|
|
v->x = x + f_mul(r, n->x);
|
|
v->y = y + f_mul(r, n->y);
|
|
v->z = z + f_mul(r, n->z);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < det; j++) {
|
|
for (i = 0; i < det; i++) {
|
|
int a = v_base + j * det + i;
|
|
int b = v_base + j * det + (i + 1) % det;
|
|
int c = v_base + (j + 1) * det + i;
|
|
int d = v_base + (j + 1) * det + (i + 1) % det;
|
|
push_face(uni, obj, a, b, c, wire);
|
|
push_face(uni, obj, b, d, c, wire);
|
|
}
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
Object3D *add_cone(Universe *uni, fixed x, fixed y, fixed z, fixed r, fixed h, int det, uint8_t col, uint8_t wire) {
|
|
int i, v_base, cap_bot_center, cap_bot_rim, th;
|
|
fixed half_h, s, cs;
|
|
Object3D *obj;
|
|
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + 1 + 3 * det > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + 2 * det > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
half_h = h / 2;
|
|
|
|
/* --- Corps --- */
|
|
for (i = 0; i < det; i++) {
|
|
th = (i * 360 / det) % 360;
|
|
s = sintab[th]; cs = costab[th];
|
|
|
|
/* Base du corps */
|
|
uni->v_normals[uni->num_verts].x = cs;
|
|
uni->v_normals[uni->num_verts].y = 0;
|
|
uni->v_normals[uni->num_verts].z = s;
|
|
uni->verts[uni->num_verts].x = x + f_mul(r, cs);
|
|
uni->verts[uni->num_verts].y = y - half_h;
|
|
uni->verts[uni->num_verts].z = z + f_mul(r, s);
|
|
uni->num_verts++; obj->num_verts++;
|
|
|
|
/* Pointe du corps (dupliquée par face pour préserver les normales) */
|
|
uni->v_normals[uni->num_verts].x = cs;
|
|
uni->v_normals[uni->num_verts].y = 0;
|
|
uni->v_normals[uni->num_verts].z = s;
|
|
uni->verts[uni->num_verts].x = x;
|
|
uni->verts[uni->num_verts].y = y + half_h;
|
|
uni->verts[uni->num_verts].z = z;
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
|
|
for (i = 0; i < det; i++) {
|
|
int a = v_base + (i * 2);
|
|
int b = v_base + ((i * 2 + 2) % (det * 2));
|
|
int cv = a + 1;
|
|
push_face(uni, obj, a, cv, b, wire);
|
|
}
|
|
|
|
/* --- Fond bas --- */
|
|
cap_bot_center = uni->num_verts;
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = -int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x;
|
|
uni->verts[uni->num_verts].y = y - half_h;
|
|
uni->verts[uni->num_verts].z = z;
|
|
uni->num_verts++; obj->num_verts++;
|
|
|
|
cap_bot_rim = uni->num_verts;
|
|
for (i = 0; i < det; i++) {
|
|
th = (i * 360 / det) % 360;
|
|
s = sintab[th]; cs = costab[th];
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = -int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x + f_mul(r, cs);
|
|
uni->verts[uni->num_verts].y = y - half_h;
|
|
uni->verts[uni->num_verts].z = z + f_mul(r, s);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
|
|
for (i = 0; i < det; i++)
|
|
push_face(uni, obj, cap_bot_center, cap_bot_rim + i, cap_bot_rim + (i + 1) % det, wire);
|
|
|
|
return obj;
|
|
}
|
|
|
|
Object3D *add_plane(Universe *uni, fixed x, fixed y, fixed z, fixed w, fixed d, int seg_x, int seg_z, uint8_t col, uint8_t wire) {
|
|
int i, j, v_base;
|
|
Object3D *obj;
|
|
fixed h_w = w / 2, h_d = d / 2;
|
|
fixed step_x, step_z;
|
|
|
|
if (seg_x < 1) seg_x = 1;
|
|
if (seg_z < 1) seg_z = 1;
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + (seg_x + 1) * (seg_z + 1) > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + seg_x * seg_z * 2 > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
|
|
step_x = w / seg_x;
|
|
step_z = d / seg_z;
|
|
|
|
for (j = 0; j <= seg_z; j++) {
|
|
for (i = 0; i <= seg_x; i++) {
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x - h_w + i * step_x;
|
|
uni->verts[uni->num_verts].y = y;
|
|
uni->verts[uni->num_verts].z = z - h_d + j * step_z;
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < seg_z; j++) {
|
|
for (i = 0; i < seg_x; i++) {
|
|
int a = v_base + j * (seg_x + 1) + i;
|
|
int b = a + 1;
|
|
int c = v_base + (j + 1) * (seg_x + 1) + i;
|
|
int d_idx = c + 1;
|
|
/* Triangulation (a,c,b) et (b,c,d_idx) pour garantir une normale face +Y */
|
|
push_face(uni, obj, a, c, b, wire);
|
|
push_face(uni, obj, b, c, d_idx, wire);
|
|
}
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
Object3D *add_math_surface(Universe *uni, fixed x, fixed y, fixed z,
|
|
fixed w, fixed d, int seg_x, int seg_z,
|
|
uint8_t col, uint8_t wire, SurfaceFunc func) {
|
|
int i, j, v_base;
|
|
Object3D *obj;
|
|
fixed h_w = w / 2, h_d = d / 2;
|
|
fixed step_x, step_z;
|
|
|
|
if (seg_x < 1) seg_x = 1; if (seg_z < 1) seg_z = 1;
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + (seg_x + 1) * (seg_z + 1) > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + seg_x * seg_z * 2 > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
step_x = w / seg_x;
|
|
step_z = d / seg_z;
|
|
|
|
for (j = 0; j <= seg_z; j++) {
|
|
for (i = 0; i <= seg_x; i++) {
|
|
fixed vx = x - h_w + i * step_x;
|
|
fixed vz = z - h_d + j * step_z;
|
|
|
|
uni->verts[uni->num_verts].x = vx;
|
|
/* Appel de la fonction passée en paramètre pour obtenir la hauteur */
|
|
uni->verts[uni->num_verts].y = y + func(vx, vz);
|
|
uni->verts[uni->num_verts].z = vz;
|
|
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
}
|
|
|
|
for (j = 0; j < seg_z; j++) {
|
|
for (i = 0; i < seg_x; i++) {
|
|
int a = v_base + j * (seg_x + 1) + i;
|
|
int b = a + 1;
|
|
int c = v_base + (j + 1) * (seg_x + 1) + i;
|
|
push_face(uni, obj, a, c, b, wire);
|
|
push_face(uni, obj, b, c, c + 1, wire);
|
|
}
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
Object3D *add_torus(Universe *uni, fixed x, fixed y, fixed z, fixed r_main, fixed r_tube, int seg_main, int seg_tube, uint8_t col, uint8_t wire) {
|
|
int i, j, v_base;
|
|
Object3D *obj;
|
|
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + seg_main * seg_tube > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + seg_main * seg_tube * 2 > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
|
|
for (i = 0; i < seg_main; i++) {
|
|
int th_main = (i * 360 / seg_main) % 360;
|
|
fixed cos_u = costab[th_main];
|
|
fixed sin_u = sintab[th_main];
|
|
|
|
for (j = 0; j < seg_tube; j++) {
|
|
int th_tube = (j * 360 / seg_tube) % 360;
|
|
fixed cos_v = costab[th_tube];
|
|
fixed sin_v = sintab[th_tube];
|
|
fixed dist = r_main + f_mul(r_tube, cos_v);
|
|
|
|
uni->v_normals[uni->num_verts].x = f_mul(cos_v, cos_u);
|
|
uni->v_normals[uni->num_verts].y = sin_v;
|
|
uni->v_normals[uni->num_verts].z = f_mul(cos_v, sin_u);
|
|
|
|
uni->verts[uni->num_verts].x = x + f_mul(dist, cos_u);
|
|
uni->verts[uni->num_verts].y = y + f_mul(r_tube, sin_v);
|
|
uni->verts[uni->num_verts].z = z + f_mul(dist, sin_u);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < seg_main; i++) {
|
|
int next_i = (i + 1) % seg_main;
|
|
for (j = 0; j < seg_tube; j++) {
|
|
int next_j = (j + 1) % seg_tube;
|
|
int a = v_base + i * seg_tube + j;
|
|
int b = v_base + next_i * seg_tube + j;
|
|
int c = v_base + i * seg_tube + next_j;
|
|
int d = v_base + next_i * seg_tube + next_j;
|
|
|
|
push_face(uni, obj, a, c, b, wire);
|
|
push_face(uni, obj, b, c, d, wire);
|
|
}
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
Object3D *add_cylinder(Universe *uni, fixed x, fixed y, fixed z, fixed r, fixed h, int det, uint8_t col, uint8_t wire) {
|
|
int i, v_base, cap_bot_center, cap_bot_rim, cap_top_center, cap_top_rim, th;
|
|
fixed half_h, s, cs;
|
|
Object3D *obj;
|
|
|
|
if (uni->num_objects >= MAX_OBJECTS) return NULL;
|
|
if (uni->num_verts + 2 + 4 * det > MAX_VERTEX) return NULL;
|
|
if (uni->num_faces + 4 * det > MAX_FACES) return NULL;
|
|
|
|
obj = alloc_object(uni);
|
|
obj->color = col;
|
|
v_base = uni->num_verts;
|
|
half_h = h / 2;
|
|
|
|
/* --- Corps --- */
|
|
for (i = 0; i < det; i++) {
|
|
th = (i * 360 / det) % 360;
|
|
s = sintab[th]; cs = costab[th];
|
|
|
|
uni->v_normals[uni->num_verts].x = cs;
|
|
uni->v_normals[uni->num_verts].y = 0;
|
|
uni->v_normals[uni->num_verts].z = s;
|
|
uni->verts[uni->num_verts].x = x + f_mul(r, cs);
|
|
uni->verts[uni->num_verts].y = y - half_h;
|
|
uni->verts[uni->num_verts].z = z + f_mul(r, s);
|
|
uni->num_verts++; obj->num_verts++;
|
|
|
|
uni->v_normals[uni->num_verts].x = cs;
|
|
uni->v_normals[uni->num_verts].y = 0;
|
|
uni->v_normals[uni->num_verts].z = s;
|
|
uni->verts[uni->num_verts].x = x + f_mul(r, cs);
|
|
uni->verts[uni->num_verts].y = y + half_h;
|
|
uni->verts[uni->num_verts].z = z + f_mul(r, s);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
|
|
for (i = 0; i < det; i++) {
|
|
int a = v_base + (i * 2);
|
|
int b = v_base + ((i * 2 + 2) % (det * 2));
|
|
int cv = a + 1;
|
|
int d = b + 1;
|
|
push_face(uni, obj, a, cv, b, wire);
|
|
push_face(uni, obj, cv, d, b, wire);
|
|
}
|
|
|
|
/* --- Fond bas --- */
|
|
cap_bot_center = uni->num_verts;
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = -int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x;
|
|
uni->verts[uni->num_verts].y = y - half_h;
|
|
uni->verts[uni->num_verts].z = z;
|
|
uni->num_verts++; obj->num_verts++;
|
|
|
|
cap_bot_rim = uni->num_verts;
|
|
for (i = 0; i < det; i++) {
|
|
th = (i * 360 / det) % 360;
|
|
s = sintab[th]; cs = costab[th];
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = -int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x + f_mul(r, cs);
|
|
uni->verts[uni->num_verts].y = y - half_h;
|
|
uni->verts[uni->num_verts].z = z + f_mul(r, s);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
|
|
for (i = 0; i < det; i++)
|
|
push_face(uni, obj, cap_bot_center, cap_bot_rim + i, cap_bot_rim + (i + 1) % det, wire);
|
|
|
|
/* --- Fond haut --- */
|
|
cap_top_center = uni->num_verts;
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x;
|
|
uni->verts[uni->num_verts].y = y + half_h;
|
|
uni->verts[uni->num_verts].z = z;
|
|
uni->num_verts++; obj->num_verts++;
|
|
|
|
cap_top_rim = uni->num_verts;
|
|
for (i = 0; i < det; i++) {
|
|
th = (i * 360 / det) % 360;
|
|
s = sintab[th]; cs = costab[th];
|
|
uni->v_normals[uni->num_verts].x = 0;
|
|
uni->v_normals[uni->num_verts].y = int_to_f(1);
|
|
uni->v_normals[uni->num_verts].z = 0;
|
|
uni->verts[uni->num_verts].x = x + f_mul(r, cs);
|
|
uni->verts[uni->num_verts].y = y + half_h;
|
|
uni->verts[uni->num_verts].z = z + f_mul(r, s);
|
|
uni->num_verts++; obj->num_verts++;
|
|
}
|
|
|
|
for (i = 0; i < det; i++)
|
|
push_face(uni, obj, cap_top_center, cap_top_rim + (i + 1) % det, cap_top_rim + i, wire);
|
|
|
|
return obj;
|
|
}
|
|
|
|
/* --- I/O sur Mesh dynamique (non utilisé dans le pipeline principal) --- */
|
|
|
|
void save_mesh(Mesh *m, const char *fn) {
|
|
FILE *f = fopen(fn, "wb");
|
|
if (!f) return;
|
|
fwrite(&m->num_verts, sizeof(int), 1, f);
|
|
fwrite(&m->num_faces, sizeof(int), 1, f);
|
|
fwrite(m->verts, sizeof(Vector3), m->num_verts, f);
|
|
fwrite(m->v_normals,sizeof(Vector3), m->num_verts, f);
|
|
fwrite(m->faces, sizeof(Face), m->num_faces, f);
|
|
fclose(f);
|
|
}
|
|
|
|
Mesh *load_mesh(const char *fname) {
|
|
Mesh *m;
|
|
FILE *f = fopen(fname, "rb");
|
|
if (!f) return NULL;
|
|
m = (Mesh*)malloc(sizeof(Mesh));
|
|
if (!m) return NULL;
|
|
fread(&m->num_verts, sizeof(int), 1, f);
|
|
fread(&m->num_faces, sizeof(int), 1, f);
|
|
m->verts = (Vector3*)malloc(sizeof(Vector3) * m->num_verts);
|
|
m->v_normals = (Vector3*)malloc(sizeof(Vector3) * m->num_verts);
|
|
m->faces = (Face*) malloc(sizeof(Face) * m->num_faces);
|
|
if (!m->verts || !m->v_normals || !m->faces) {
|
|
free(m->verts); free(m->v_normals); free(m->faces); free(m);
|
|
fclose(f);
|
|
return NULL;
|
|
}
|
|
fread(m->verts, sizeof(Vector3), m->num_verts, f);
|
|
fread(m->v_normals, sizeof(Vector3), m->num_verts, f);
|
|
fread(m->faces, sizeof(Face), m->num_faces, f);
|
|
fclose(f);
|
|
return m;
|
|
}
|
|
|
|
void free_mesh(Mesh *m) {
|
|
if (!m) return;
|
|
free(m->verts);
|
|
free(m->v_normals);
|
|
free(m->faces);
|
|
free(m);
|
|
}
|
|
|
|
void export_universe_to_c(Universe *uni, const char *filename) {
|
|
int i;
|
|
FILE *f = fopen(filename, "w");
|
|
if (!f) return;
|
|
|
|
|
|
fprintf(f, "#ifndef EXPORTED_DATA_H\n#define EXPORTED_DATA_H\n\n#include \"defines.h\"\n\n");
|
|
|
|
// 1. Tables trigonométriques
|
|
fprintf(f, "fixed sintab[360] = {");
|
|
for(i=0; i<360; i++) fprintf(f, "%d%s", sintab[i], i<359?", ":"");
|
|
fprintf(f, "};\n\nfixed costab[360] = {");
|
|
for(i=0; i<360; i++) fprintf(f, "%d%s", costab[i], i<359?", ":"");
|
|
fprintf(f, "};\n\n");
|
|
|
|
// 2. Vertices et Normales
|
|
fprintf(f, "Vector3 uni_verts[%d] = {\n", uni->num_verts);
|
|
for(i=0; i<uni->num_verts; i++) fprintf(f, " {%d, %d, %d}%s\n", uni->verts[i].x, uni->verts[i].y, uni->verts[i].z, i<uni->num_verts-1?",":"");
|
|
fprintf(f, "};\n\n");
|
|
|
|
fprintf(f, "Vector3 uni_normals[%d] = {\n", uni->num_verts);
|
|
for(i=0; i<uni->num_verts; i++) fprintf(f, " {%d, %d, %d}%s\n", uni->v_normals[i].x, uni->v_normals[i].y, uni->v_normals[i].z, i<uni->num_verts-1?",":"");
|
|
fprintf(f, "};\n\n");
|
|
|
|
// 3. Faces
|
|
fprintf(f, "Face uni_faces[%d] = {\n", uni->num_faces);
|
|
for(i=0; i<uni->num_faces; i++) fprintf(f, " {%d, %d, %d, %d}%s\n", uni->faces[i].a, uni->faces[i].b, uni->faces[i].c, uni->faces[i].force_wire, i<uni->num_faces-1?",":"");
|
|
fprintf(f, "};\n\n");
|
|
|
|
// 4. Objets
|
|
fprintf(f, "Object3D uni_objects[%d] = {\n", uni->num_objects);
|
|
for(i=0; i<uni->num_objects; i++) {
|
|
Object3D *o = &uni->objects[i];
|
|
fprintf(f, " { %d, %d, %d, %d, ", o->vert_start, o->num_verts, o->face_start, o->num_faces);
|
|
fprintf(f, "{%d,%d,%d}, {%d,%d,%d}, ", o->pos.x, o->pos.y, o->pos.z, o->base_pos.x, o->base_pos.y, o->base_pos.z);
|
|
// Matrice identité par défaut ou état actuel
|
|
fprintf(f, "{{{%d,%d,%d},{%d,%d,%d},{%d,%d,%d}}}, %d }%s\n",
|
|
o->rot.m[0][0], o->rot.m[0][1], o->rot.m[0][2],
|
|
o->rot.m[1][0], o->rot.m[1][1], o->rot.m[1][2],
|
|
o->rot.m[2][0], o->rot.m[2][1], o->rot.m[2][2], o->color, i<uni->num_objects-1?",":"");
|
|
}
|
|
fprintf(f, "};\n\n");
|
|
|
|
// 5. Structure Universe globale
|
|
fprintf(f, "Universe static_universe = {\n");
|
|
fprintf(f, " {0}, {0}, {0}, %d, %d, {0}, %d\n};\n\n", uni->num_verts, uni->num_faces, uni->num_objects);
|
|
|
|
fprintf(f, "void load_static_universe(Universe *u) {\n");
|
|
fprintf(f, " memcpy(u->verts, uni_verts, sizeof(uni_verts));\n");
|
|
fprintf(f, " memcpy(u->v_normals, uni_normals, sizeof(uni_normals));\n");
|
|
fprintf(f, " memcpy(u->faces, uni_faces, sizeof(uni_faces));\n");
|
|
fprintf(f, " memcpy(u->objects, uni_objects, sizeof(uni_objects));\n");
|
|
fprintf(f, " u->num_verts = %d; u->num_faces = %d; u->num_objects = %d;\n", uni->num_verts, uni->num_faces, uni->num_objects);
|
|
fprintf(f, "}\n\n");
|
|
|
|
fprintf(f, "#endif\n");
|
|
fclose(f);
|
|
}
|
|
|
|
#endif /* MINIMAL_PLAYER */
|