goat3d

annotate src/goat3d.cc @ 31:4058337fbb92

find changesets by author, revision, files, or words in the commit message
texture filename cleanup when setting a texture to a material
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 30 Sep 2013 04:26:21 +0300
parents 3d669155709d
children d24f63e8031e
rev   line source
nuclear@16 1 #include <string.h>
nuclear@16 2 #include <errno.h>
nuclear@31 3 #include <ctype.h>
nuclear@31 4 #include <string>
nuclear@16 5 #include "goat3d.h"
nuclear@16 6 #include "goat3d_impl.h"
nuclear@16 7 #include "log.h"
nuclear@16 8
nuclear@31 9 #ifndef _MSC_VER
nuclear@31 10 #include <alloca.h>
nuclear@31 11 #else
nuclear@31 12 #include <malloc.h>
nuclear@31 13 #endif
nuclear@31 14
nuclear@16 15 struct goat3d {
nuclear@16 16 Scene *scn;
nuclear@16 17 unsigned int flags;
nuclear@16 18 };
nuclear@16 19
nuclear@16 20 struct goat3d_material : public Material {};
nuclear@16 21 struct goat3d_mesh : public Mesh {};
nuclear@16 22 struct goat3d_light : public Light {};
nuclear@16 23 struct goat3d_camera : public Camera {};
nuclear@16 24 struct goat3d_node : public Node {};
nuclear@16 25
nuclear@16 26
nuclear@16 27 static long read_file(void *buf, size_t bytes, void *uptr);
nuclear@16 28 static long write_file(const void *buf, size_t bytes, void *uptr);
nuclear@16 29 static long seek_file(long offs, int whence, void *uptr);
nuclear@16 30
nuclear@31 31 static std::string clean_filename(const char *str);
nuclear@31 32
nuclear@16 33 extern "C" {
nuclear@16 34
nuclear@16 35 struct goat3d *goat3d_create(void)
nuclear@16 36 {
nuclear@16 37 goat3d *goat = new goat3d;
nuclear@27 38 goat->flags = 0;
nuclear@16 39 goat->scn = new Scene;
nuclear@29 40
nuclear@29 41 goat3d_setopt(goat, GOAT3D_OPT_SAVEXML, 1);
nuclear@16 42 return goat;
nuclear@16 43 }
nuclear@16 44
nuclear@16 45 void goat3d_free(struct goat3d *g)
nuclear@16 46 {
nuclear@16 47 delete g->scn;
nuclear@16 48 delete g;
nuclear@16 49 }
nuclear@16 50
nuclear@16 51 void goat3d_setopt(struct goat3d *g, enum goat3d_option opt, int val)
nuclear@16 52 {
nuclear@16 53 if(val) {
nuclear@16 54 g->flags |= (1 << (int)opt);
nuclear@16 55 } else {
nuclear@16 56 g->flags &= ~(1 << (int)opt);
nuclear@16 57 }
nuclear@16 58 }
nuclear@16 59
nuclear@16 60 int goat3d_getopt(const struct goat3d *g, enum goat3d_option opt)
nuclear@16 61 {
nuclear@16 62 return (g->flags >> (int)opt) & 1;
nuclear@16 63 }
nuclear@16 64
nuclear@16 65 int goat3d_load(struct goat3d *g, const char *fname)
nuclear@16 66 {
nuclear@16 67 FILE *fp = fopen(fname, "rb");
nuclear@16 68 if(!fp) {
nuclear@16 69 logmsg(LOG_ERROR, "failed to open file \"%s\" for reading: %s\n", fname, strerror(errno));
nuclear@16 70 return -1;
nuclear@16 71 }
nuclear@16 72
nuclear@16 73 int res = goat3d_load_file(g, fp);
nuclear@16 74 fclose(fp);
nuclear@16 75 return res;
nuclear@16 76 }
nuclear@16 77
nuclear@16 78 int goat3d_save(const struct goat3d *g, const char *fname)
nuclear@16 79 {
nuclear@16 80 FILE *fp = fopen(fname, "wb");
nuclear@16 81 if(!fp) {
nuclear@16 82 logmsg(LOG_ERROR, "failed to open file \"%s\" for writing: %s\n", fname, strerror(errno));
nuclear@16 83 return -1;
nuclear@16 84 }
nuclear@16 85
nuclear@16 86 int res = goat3d_save_file(g, fp);
nuclear@16 87 fclose(fp);
nuclear@16 88 return res;
nuclear@16 89 }
nuclear@16 90
nuclear@16 91 int goat3d_load_file(struct goat3d *g, FILE *fp)
nuclear@16 92 {
nuclear@16 93 goat3d_io io;
nuclear@16 94 io.cls = fp;
nuclear@16 95 io.read = read_file;
nuclear@16 96 io.write = write_file;
nuclear@16 97 io.seek = seek_file;
nuclear@16 98
nuclear@16 99 return goat3d_load_io(g, &io);
nuclear@16 100 }
nuclear@16 101
nuclear@16 102 int goat3d_save_file(const struct goat3d *g, FILE *fp)
nuclear@16 103 {
nuclear@16 104 goat3d_io io;
nuclear@16 105 io.cls = fp;
nuclear@16 106 io.read = read_file;
nuclear@16 107 io.write = write_file;
nuclear@16 108 io.seek = seek_file;
nuclear@16 109
nuclear@16 110 return goat3d_save_io(g, &io);
nuclear@16 111 }
nuclear@16 112
nuclear@16 113 int goat3d_load_io(struct goat3d *g, struct goat3d_io *io)
nuclear@16 114 {
nuclear@16 115 if(!g->scn->load(io)) {
nuclear@16 116 if(g->scn->loadxml(io)) {
nuclear@16 117 return -1;
nuclear@16 118 }
nuclear@16 119 }
nuclear@16 120 return 0;
nuclear@16 121 }
nuclear@16 122
nuclear@16 123 int goat3d_save_io(const struct goat3d *g, struct goat3d_io *io)
nuclear@16 124 {
nuclear@16 125 if(goat3d_getopt(g, GOAT3D_OPT_SAVEXML)) {
nuclear@16 126 return g->scn->savexml(io) ? 0 : -1;
nuclear@16 127 }
nuclear@16 128 return g->scn->save(io) ? 0 : -1;
nuclear@16 129 }
nuclear@16 130
nuclear@16 131 int goat3d_set_name(struct goat3d *g, const char *name)
nuclear@16 132 {
nuclear@16 133 g->scn->set_name(name);
nuclear@16 134 return 0;
nuclear@16 135 }
nuclear@16 136
nuclear@16 137 const char *goat3d_get_name(const struct goat3d *g)
nuclear@16 138 {
nuclear@16 139 return g->scn->get_name();
nuclear@16 140 }
nuclear@16 141
nuclear@16 142 void goat3d_set_ambient(struct goat3d *g, const float *amb)
nuclear@16 143 {
nuclear@16 144 g->scn->set_ambient(Vector3(amb[0], amb[1], amb[2]));
nuclear@16 145 }
nuclear@16 146
nuclear@16 147 void goat3d_set_ambient3f(struct goat3d *g, float ar, float ag, float ab)
nuclear@16 148 {
nuclear@16 149 g->scn->set_ambient(Vector3(ar, ag, ab));
nuclear@16 150 }
nuclear@16 151
nuclear@16 152 const float *goat3d_get_ambient(const struct goat3d *g)
nuclear@16 153 {
nuclear@16 154 return &g->scn->get_ambient().x;
nuclear@16 155 }
nuclear@16 156
nuclear@16 157 // ---- materials ----
nuclear@27 158 void goat3d_add_mtl(struct goat3d *g, struct goat3d_material *mtl)
nuclear@27 159 {
nuclear@27 160 g->scn->add_material(mtl);
nuclear@27 161 }
nuclear@27 162
nuclear@16 163 struct goat3d_material *goat3d_create_mtl(void)
nuclear@16 164 {
nuclear@16 165 return new goat3d_material;
nuclear@16 166 }
nuclear@16 167
nuclear@16 168 void goat3d_destroy_mtl(struct goat3d_material *mtl)
nuclear@16 169 {
nuclear@16 170 delete mtl;
nuclear@16 171 }
nuclear@16 172
nuclear@16 173 void goat3d_set_mtl_name(struct goat3d_material *mtl, const char *name)
nuclear@16 174 {
nuclear@16 175 mtl->name = std::string(name);
nuclear@16 176 }
nuclear@16 177
nuclear@16 178 const char *goat3d_get_mtl_name(const struct goat3d_material *mtl)
nuclear@16 179 {
nuclear@16 180 return mtl->name.c_str();
nuclear@16 181 }
nuclear@16 182
nuclear@16 183 void goat3d_set_mtl_attrib(struct goat3d_material *mtl, const char *attrib, const float *val)
nuclear@16 184 {
nuclear@16 185 (*mtl)[attrib].value = Vector4(val[0], val[1], val[2], val[3]);
nuclear@16 186 }
nuclear@16 187
nuclear@16 188 void goat3d_set_mtl_attrib1f(struct goat3d_material *mtl, const char *attrib, float val)
nuclear@16 189 {
nuclear@16 190 goat3d_set_mtl_attrib4f(mtl, attrib, val, 0, 0, 1);
nuclear@16 191 }
nuclear@16 192
nuclear@16 193 void goat3d_set_mtl_attrib3f(struct goat3d_material *mtl, const char *attrib, float r, float g, float b)
nuclear@16 194 {
nuclear@16 195 goat3d_set_mtl_attrib4f(mtl, attrib, r, g, b, 1);
nuclear@16 196 }
nuclear@16 197
nuclear@16 198 void goat3d_set_mtl_attrib4f(struct goat3d_material *mtl, const char *attrib, float r, float g, float b, float a)
nuclear@16 199 {
nuclear@16 200 (*mtl)[attrib].value = Vector4(r, g, b, a);
nuclear@16 201 }
nuclear@16 202
nuclear@16 203 const float *goat3d_get_mtl_attrib(struct goat3d_material *mtl, const char *attrib)
nuclear@16 204 {
nuclear@16 205 return &(*mtl)[attrib].value.x;
nuclear@16 206 }
nuclear@16 207
nuclear@16 208 void goat3d_set_mtl_attrib_map(struct goat3d_material *mtl, const char *attrib, const char *mapname)
nuclear@16 209 {
nuclear@31 210 (*mtl)[attrib].map = clean_filename(mapname);
nuclear@16 211 }
nuclear@16 212
nuclear@16 213 const char *goat3d_get_mtl_attrib_map(struct goat3d_material *mtl, const char *attrib)
nuclear@16 214 {
nuclear@16 215 return (*mtl)[attrib].map.c_str();
nuclear@16 216 }
nuclear@16 217
nuclear@27 218 // ---- meshes ----
nuclear@27 219 void goat3d_add_mesh(struct goat3d *g, struct goat3d_mesh *mesh)
nuclear@16 220 {
nuclear@27 221 g->scn->add_mesh(mesh);
nuclear@16 222 }
nuclear@16 223
nuclear@27 224 int goat3d_get_mesh_count(struct goat3d *g)
nuclear@27 225 {
nuclear@27 226 return g->scn->get_mesh_count();
nuclear@27 227 }
nuclear@27 228
nuclear@27 229 struct goat3d_mesh *goat3d_get_mesh(struct goat3d *g, int idx)
nuclear@27 230 {
nuclear@27 231 return (goat3d_mesh*)g->scn->get_mesh(idx);
nuclear@27 232 }
nuclear@27 233
nuclear@27 234 struct goat3d_mesh *goat3d_get_mesh_by_name(struct goat3d *g, const char *name)
nuclear@27 235 {
nuclear@27 236 return (goat3d_mesh*)g->scn->get_mesh(name);
nuclear@27 237 }
nuclear@27 238
nuclear@16 239 struct goat3d_mesh *goat3d_create_mesh(void)
nuclear@16 240 {
nuclear@16 241 return new goat3d_mesh;
nuclear@16 242 }
nuclear@16 243
nuclear@16 244 void goat3d_destroy_mesh(struct goat3d_mesh *mesh)
nuclear@16 245 {
nuclear@16 246 delete mesh;
nuclear@16 247 }
nuclear@16 248
nuclear@16 249 void goat3d_set_mesh_name(struct goat3d_mesh *mesh, const char *name)
nuclear@16 250 {
nuclear@16 251 mesh->name = std::string(name);
nuclear@16 252 }
nuclear@16 253
nuclear@16 254 const char *goat3d_get_mesh_name(const struct goat3d_mesh *mesh)
nuclear@16 255 {
nuclear@16 256 return mesh->name.c_str();
nuclear@16 257 }
nuclear@16 258
nuclear@16 259 void goat3d_set_mesh_mtl(struct goat3d_mesh *mesh, struct goat3d_material *mtl)
nuclear@16 260 {
nuclear@16 261 mesh->material = mtl;
nuclear@16 262 }
nuclear@16 263
nuclear@16 264 struct goat3d_material *goat3d_get_mesh_mtl(struct goat3d_mesh *mesh)
nuclear@16 265 {
nuclear@16 266 return (goat3d_material*)mesh->material;
nuclear@16 267 }
nuclear@16 268
nuclear@16 269 int goat3d_get_mesh_attrib_count(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib)
nuclear@16 270 {
nuclear@16 271 return (int)mesh->vertices.size();
nuclear@16 272 }
nuclear@16 273
nuclear@16 274 int goat3d_get_mesh_face_count(struct goat3d_mesh *mesh)
nuclear@16 275 {
nuclear@16 276 return (int)mesh->faces.size();
nuclear@16 277 }
nuclear@16 278
nuclear@19 279 // VECDATA is in goat3d_impl.h
nuclear@16 280 void goat3d_set_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib, const void *data, int vnum)
nuclear@16 281 {
nuclear@16 282 if(attrib == GOAT3D_MESH_ATTR_VERTEX) {
nuclear@16 283 mesh->vertices = VECDATA(Vector3, data, vnum);
nuclear@16 284 return;
nuclear@16 285 }
nuclear@16 286
nuclear@16 287 if(vnum != (int)mesh->vertices.size()) {
nuclear@16 288 logmsg(LOG_ERROR, "trying to set mesh attrib data with number of elements different than the vertex array\n");
nuclear@16 289 return;
nuclear@16 290 }
nuclear@16 291
nuclear@16 292 switch(attrib) {
nuclear@16 293 case GOAT3D_MESH_ATTR_NORMAL:
nuclear@16 294 mesh->normals = VECDATA(Vector3, data, vnum);
nuclear@16 295 break;
nuclear@16 296 case GOAT3D_MESH_ATTR_TANGENT:
nuclear@16 297 mesh->tangents = VECDATA(Vector3, data, vnum);
nuclear@16 298 break;
nuclear@16 299 case GOAT3D_MESH_ATTR_TEXCOORD:
nuclear@16 300 mesh->texcoords = VECDATA(Vector2, data, vnum);
nuclear@16 301 break;
nuclear@16 302 case GOAT3D_MESH_ATTR_SKIN_WEIGHT:
nuclear@16 303 mesh->skin_weights = VECDATA(Vector4, data, vnum);
nuclear@16 304 break;
nuclear@16 305 case GOAT3D_MESH_ATTR_SKIN_MATRIX:
nuclear@16 306 mesh->skin_matrices = VECDATA(Int4, data, vnum);
nuclear@16 307 break;
nuclear@16 308 case GOAT3D_MESH_ATTR_COLOR:
nuclear@16 309 mesh->colors = VECDATA(Vector4, data, vnum);
nuclear@16 310 default:
nuclear@16 311 break;
nuclear@16 312 }
nuclear@16 313 }
nuclear@16 314
nuclear@16 315 void *goat3d_get_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib)
nuclear@16 316 {
nuclear@16 317 return goat3d_get_mesh_attrib(mesh, attrib, 0);
nuclear@16 318 }
nuclear@16 319
nuclear@16 320 void *goat3d_get_mesh_attrib(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib, int idx)
nuclear@16 321 {
nuclear@16 322 switch(attrib) {
nuclear@16 323 case GOAT3D_MESH_ATTR_VERTEX:
nuclear@16 324 return mesh->vertices.empty() ? 0 : (void*)&mesh->vertices[idx];
nuclear@16 325 case GOAT3D_MESH_ATTR_NORMAL:
nuclear@16 326 return mesh->normals.empty() ? 0 : (void*)&mesh->normals[idx];
nuclear@16 327 case GOAT3D_MESH_ATTR_TANGENT:
nuclear@16 328 return mesh->tangents.empty() ? 0 : (void*)&mesh->tangents[idx];
nuclear@16 329 case GOAT3D_MESH_ATTR_TEXCOORD:
nuclear@16 330 return mesh->texcoords.empty() ? 0 : (void*)&mesh->texcoords[idx];
nuclear@16 331 case GOAT3D_MESH_ATTR_SKIN_WEIGHT:
nuclear@16 332 return mesh->skin_weights.empty() ? 0 : (void*)&mesh->skin_weights[idx];
nuclear@16 333 case GOAT3D_MESH_ATTR_SKIN_MATRIX:
nuclear@16 334 return mesh->skin_matrices.empty() ? 0 : (void*)&mesh->skin_matrices[idx];
nuclear@16 335 case GOAT3D_MESH_ATTR_COLOR:
nuclear@16 336 return mesh->colors.empty() ? 0 : (void*)&mesh->colors[idx];
nuclear@16 337 default:
nuclear@16 338 break;
nuclear@16 339 }
nuclear@16 340 return 0;
nuclear@16 341 }
nuclear@16 342
nuclear@16 343
nuclear@16 344 void goat3d_set_mesh_faces(struct goat3d_mesh *mesh, const int *data, int num)
nuclear@16 345 {
nuclear@16 346 mesh->faces = VECDATA(Face, data, num);
nuclear@16 347 }
nuclear@16 348
nuclear@16 349 int *goat3d_get_mesh_faces(struct goat3d_mesh *mesh)
nuclear@16 350 {
nuclear@16 351 return goat3d_get_mesh_face(mesh, 0);
nuclear@16 352 }
nuclear@16 353
nuclear@16 354 int *goat3d_get_mesh_face(struct goat3d_mesh *mesh, int idx)
nuclear@16 355 {
nuclear@16 356 return mesh->faces.empty() ? 0 : mesh->faces[idx].v;
nuclear@16 357 }
nuclear@16 358
nuclear@16 359 // immedate mode state
nuclear@16 360 static enum goat3d_im_primitive im_prim;
nuclear@16 361 static struct goat3d_mesh *im_mesh;
nuclear@16 362 static Vector3 im_norm, im_tang;
nuclear@16 363 static Vector2 im_texcoord;
nuclear@16 364 static Vector4 im_skinw, im_color = Vector4(1, 1, 1, 1);
nuclear@16 365 static Int4 im_skinmat;
nuclear@16 366 static bool im_use[NUM_GOAT3D_MESH_ATTRIBS];
nuclear@16 367
nuclear@16 368
nuclear@16 369 void goat3d_begin(struct goat3d_mesh *mesh, enum goat3d_im_primitive prim)
nuclear@16 370 {
nuclear@16 371 mesh->vertices.clear();
nuclear@16 372 mesh->normals.clear();
nuclear@16 373 mesh->tangents.clear();
nuclear@16 374 mesh->texcoords.clear();
nuclear@16 375 mesh->skin_weights.clear();
nuclear@16 376 mesh->skin_matrices.clear();
nuclear@16 377 mesh->colors.clear();
nuclear@16 378 mesh->faces.clear();
nuclear@16 379
nuclear@16 380 im_mesh = mesh;
nuclear@16 381 memset(im_use, 0, sizeof im_use);
nuclear@16 382
nuclear@16 383 im_prim = prim;
nuclear@16 384 }
nuclear@16 385
nuclear@16 386 void goat3d_end(void)
nuclear@16 387 {
nuclear@16 388 switch(im_prim) {
nuclear@16 389 case GOAT3D_TRIANGLES:
nuclear@17 390 {
nuclear@17 391 int num_faces = (int)im_mesh->vertices.size() / 3;
nuclear@17 392 im_mesh->faces.resize(num_faces);
nuclear@17 393
nuclear@17 394 int vidx = 0;
nuclear@17 395 for(int i=0; i<num_faces; i++) {
nuclear@17 396 im_mesh->faces[i].v[0] = vidx++;
nuclear@17 397 im_mesh->faces[i].v[1] = vidx++;
nuclear@17 398 im_mesh->faces[i].v[2] = vidx++;
nuclear@17 399 }
nuclear@17 400 }
nuclear@16 401 break;
nuclear@16 402
nuclear@16 403 case GOAT3D_QUADS:
nuclear@17 404 {
nuclear@17 405 int num_quads = (int)im_mesh->vertices.size() / 4;
nuclear@17 406 im_mesh->faces.resize(num_quads * 2);
nuclear@17 407
nuclear@17 408 int vidx = 0;
nuclear@17 409 for(int i=0; i<num_quads; i++) {
nuclear@17 410 im_mesh->faces[i * 2].v[0] = vidx;
nuclear@17 411 im_mesh->faces[i * 2].v[1] = vidx + 1;
nuclear@17 412 im_mesh->faces[i * 2].v[2] = vidx + 2;
nuclear@17 413
nuclear@17 414 im_mesh->faces[i * 2 + 1].v[0] = vidx;
nuclear@17 415 im_mesh->faces[i * 2 + 1].v[1] = vidx + 2;
nuclear@17 416 im_mesh->faces[i * 2 + 1].v[2] = vidx + 3;
nuclear@17 417
nuclear@17 418 vidx += 4;
nuclear@17 419 }
nuclear@17 420 }
nuclear@16 421 break;
nuclear@16 422
nuclear@16 423 default:
nuclear@16 424 return;
nuclear@16 425 };
nuclear@16 426 }
nuclear@16 427
nuclear@16 428 void goat3d_vertex3f(float x, float y, float z)
nuclear@16 429 {
nuclear@16 430 im_mesh->vertices.push_back(Vector3(x, y, z));
nuclear@16 431 if(im_use[GOAT3D_MESH_ATTR_NORMAL]) {
nuclear@16 432 im_mesh->normals.push_back(im_norm);
nuclear@16 433 }
nuclear@16 434 if(im_use[GOAT3D_MESH_ATTR_TANGENT]) {
nuclear@16 435 im_mesh->tangents.push_back(im_tang);
nuclear@16 436 }
nuclear@16 437 if(im_use[GOAT3D_MESH_ATTR_TEXCOORD]) {
nuclear@16 438 im_mesh->texcoords.push_back(im_texcoord);
nuclear@16 439 }
nuclear@16 440 if(im_use[GOAT3D_MESH_ATTR_SKIN_WEIGHT]) {
nuclear@16 441 im_mesh->skin_weights.push_back(im_skinw);
nuclear@16 442 }
nuclear@16 443 if(im_use[GOAT3D_MESH_ATTR_SKIN_MATRIX]) {
nuclear@16 444 im_mesh->skin_matrices.push_back(im_skinmat);
nuclear@16 445 }
nuclear@16 446 if(im_use[GOAT3D_MESH_ATTR_COLOR]) {
nuclear@16 447 im_mesh->colors.push_back(im_color);
nuclear@16 448 }
nuclear@16 449 }
nuclear@16 450
nuclear@16 451 void goat3d_normal3f(float x, float y, float z)
nuclear@16 452 {
nuclear@16 453 im_norm = Vector3(x, y, z);
nuclear@17 454 im_use[GOAT3D_MESH_ATTR_NORMAL] = true;
nuclear@16 455 }
nuclear@16 456
nuclear@16 457 void goat3d_tangent3f(float x, float y, float z)
nuclear@16 458 {
nuclear@16 459 im_tang = Vector3(x, y, z);
nuclear@17 460 im_use[GOAT3D_MESH_ATTR_TANGENT] = true;
nuclear@16 461 }
nuclear@16 462
nuclear@16 463 void goat3d_texcoord2f(float x, float y)
nuclear@16 464 {
nuclear@16 465 im_texcoord = Vector2(x, y);
nuclear@17 466 im_use[GOAT3D_MESH_ATTR_TEXCOORD] = true;
nuclear@16 467 }
nuclear@16 468
nuclear@16 469 void goat3d_skin_weight4f(float x, float y, float z, float w)
nuclear@16 470 {
nuclear@16 471 im_skinw = Vector4(x, y, z, w);
nuclear@17 472 im_use[GOAT3D_MESH_ATTR_SKIN_WEIGHT] = true;
nuclear@16 473 }
nuclear@16 474
nuclear@16 475 void goat3d_skin_matrix4i(int x, int y, int z, int w)
nuclear@16 476 {
nuclear@16 477 im_skinmat.x = x;
nuclear@16 478 im_skinmat.y = y;
nuclear@16 479 im_skinmat.z = z;
nuclear@16 480 im_skinmat.w = w;
nuclear@17 481 im_use[GOAT3D_MESH_ATTR_SKIN_MATRIX] = true;
nuclear@16 482 }
nuclear@16 483
nuclear@16 484 void goat3d_color3f(float x, float y, float z)
nuclear@16 485 {
nuclear@17 486 goat3d_color4f(x, y, z, 1.0f);
nuclear@16 487 }
nuclear@16 488
nuclear@16 489 void goat3d_color4f(float x, float y, float z, float w)
nuclear@16 490 {
nuclear@16 491 im_color = Vector4(x, y, z, w);
nuclear@17 492 im_use[GOAT3D_MESH_ATTR_COLOR] = true;
nuclear@16 493 }
nuclear@16 494
nuclear@27 495 /* lights */
nuclear@27 496 void goat3d_add_light(struct goat3d *g, struct goat3d_light *lt)
nuclear@16 497 {
nuclear@27 498 g->scn->add_light(lt);
nuclear@16 499 }
nuclear@16 500
nuclear@27 501 int goat3d_get_light_count(struct goat3d *g)
nuclear@19 502 {
nuclear@27 503 return g->scn->get_light_count();
nuclear@19 504 }
nuclear@19 505
nuclear@27 506 struct goat3d_light *goat3d_get_light(struct goat3d *g, int idx)
nuclear@19 507 {
nuclear@27 508 return (goat3d_light*)g->scn->get_light(idx);
nuclear@19 509 }
nuclear@19 510
nuclear@27 511 struct goat3d_light *goat3d_get_light_by_name(struct goat3d *g, const char *name)
nuclear@27 512 {
nuclear@27 513 return (goat3d_light*)g->scn->get_light(name);
nuclear@27 514 }
nuclear@27 515
nuclear@27 516
nuclear@27 517 struct goat3d_light *goat3d_create_light(void)
nuclear@27 518 {
nuclear@27 519 return new goat3d_light;
nuclear@27 520 }
nuclear@27 521
nuclear@27 522 void goat3d_destroy_light(struct goat3d_light *lt)
nuclear@27 523 {
nuclear@27 524 delete lt;
nuclear@27 525 }
nuclear@27 526
nuclear@27 527
nuclear@27 528 /* cameras */
nuclear@27 529 void goat3d_add_camera(struct goat3d *g, struct goat3d_camera *cam)
nuclear@27 530 {
nuclear@27 531 g->scn->add_camera(cam);
nuclear@27 532 }
nuclear@27 533
nuclear@27 534 int goat3d_get_camera_count(struct goat3d *g)
nuclear@27 535 {
nuclear@27 536 return g->scn->get_camera_count();
nuclear@27 537 }
nuclear@27 538
nuclear@27 539 struct goat3d_camera *goat3d_get_camera(struct goat3d *g, int idx)
nuclear@27 540 {
nuclear@27 541 return (goat3d_camera*)g->scn->get_camera(idx);
nuclear@27 542 }
nuclear@27 543
nuclear@27 544 struct goat3d_camera *goat3d_get_camera_by_name(struct goat3d *g, const char *name)
nuclear@27 545 {
nuclear@27 546 return (goat3d_camera*)g->scn->get_camera(name);
nuclear@27 547 }
nuclear@27 548
nuclear@27 549 struct goat3d_camera *goat3d_create_camera(void)
nuclear@27 550 {
nuclear@27 551 return new goat3d_camera;
nuclear@27 552 }
nuclear@27 553
nuclear@27 554 void goat3d_destroy_camera(struct goat3d_camera *cam)
nuclear@27 555 {
nuclear@27 556 delete cam;
nuclear@27 557 }
nuclear@27 558
nuclear@27 559
nuclear@16 560
nuclear@25 561 // node
nuclear@27 562 void goat3d_add_node(struct goat3d *g, struct goat3d_node *node)
nuclear@27 563 {
nuclear@27 564 g->scn->add_node(node);
nuclear@27 565 }
nuclear@27 566
nuclear@27 567 int goat3d_get_node_count(struct goat3d *g)
nuclear@27 568 {
nuclear@27 569 return g->scn->get_node_count();
nuclear@27 570 }
nuclear@27 571
nuclear@27 572 struct goat3d_node *goat3d_get_node(struct goat3d *g, int idx)
nuclear@27 573 {
nuclear@27 574 return (goat3d_node*)g->scn->get_node(idx);
nuclear@27 575 }
nuclear@27 576
nuclear@27 577 struct goat3d_node *goat3d_get_node_by_name(struct goat3d *g, const char *name)
nuclear@27 578 {
nuclear@27 579 return (goat3d_node*)g->scn->get_node(name);
nuclear@27 580 }
nuclear@25 581
nuclear@25 582 struct goat3d_node *goat3d_create_node(void)
nuclear@25 583 {
nuclear@25 584 return new goat3d_node;
nuclear@25 585 }
nuclear@25 586
nuclear@25 587 void goat3d_set_node_name(struct goat3d_node *node, const char *name)
nuclear@25 588 {
nuclear@25 589 node->set_name(name);
nuclear@25 590 }
nuclear@25 591
nuclear@26 592 const char *goat3d_get_node_name(const struct goat3d_node *node)
nuclear@25 593 {
nuclear@25 594 return node->get_name();
nuclear@25 595 }
nuclear@25 596
nuclear@25 597 void goat3d_set_node_object(struct goat3d_node *node, enum goat3d_node_type type, void *obj)
nuclear@25 598 {
nuclear@25 599 node->set_object((Object*)obj);
nuclear@25 600 }
nuclear@25 601
nuclear@26 602 void *goat3d_get_node_object(const struct goat3d_node *node)
nuclear@25 603 {
nuclear@26 604 return (void*)node->get_object();
nuclear@25 605 }
nuclear@25 606
nuclear@26 607 enum goat3d_node_type goat3d_get_node_type(const struct goat3d_node *node)
nuclear@25 608 {
nuclear@26 609 const Object *obj = node->get_object();
nuclear@26 610 if(dynamic_cast<const Mesh*>(obj)) {
nuclear@26 611 return GOAT3D_NODE_MESH;
nuclear@26 612 }
nuclear@26 613 if(dynamic_cast<const Light*>(obj)) {
nuclear@26 614 return GOAT3D_NODE_LIGHT;
nuclear@26 615 }
nuclear@26 616 if(dynamic_cast<const Camera*>(obj)) {
nuclear@26 617 return GOAT3D_NODE_CAMERA;
nuclear@26 618 }
nuclear@26 619
nuclear@26 620 return GOAT3D_NODE_NULL;
nuclear@25 621 }
nuclear@25 622
nuclear@25 623 void goat3d_add_node_child(struct goat3d_node *node, struct goat3d_node *child)
nuclear@25 624 {
nuclear@26 625 node->add_child(node);
nuclear@25 626 }
nuclear@25 627
nuclear@26 628 int goat3d_get_node_child_count(const struct goat3d_node *node)
nuclear@25 629 {
nuclear@26 630 return node->get_children_count();
nuclear@25 631 }
nuclear@25 632
nuclear@26 633 struct goat3d_node *goat3d_get_node_child(const struct goat3d_node *node, int idx)
nuclear@25 634 {
nuclear@26 635 return (goat3d_node*)node->get_child(idx);
nuclear@25 636 }
nuclear@25 637
nuclear@25 638 void goat3d_set_node_position(struct goat3d_node *node, float x, float y, float z, long tmsec)
nuclear@25 639 {
nuclear@26 640 node->set_position(Vector3(x, y, z), tmsec);
nuclear@25 641 }
nuclear@25 642
nuclear@25 643 void goat3d_set_node_rotation(struct goat3d_node *node, float qx, float qy, float qz, float qw, long tmsec)
nuclear@25 644 {
nuclear@26 645 node->set_rotation(Quaternion(qw, qx, qy, qz), tmsec);
nuclear@25 646 }
nuclear@25 647
nuclear@25 648 void goat3d_set_node_scaling(struct goat3d_node *node, float sx, float sy, float sz, long tmsec)
nuclear@25 649 {
nuclear@26 650 node->set_scaling(Vector3(sx, sy, sz), tmsec);
nuclear@25 651 }
nuclear@25 652
nuclear@25 653 void goat3d_set_node_pivot(struct goat3d_node *node, float px, float py, float pz)
nuclear@25 654 {
nuclear@26 655 node->set_pivot(Vector3(px, py, pz));
nuclear@25 656 }
nuclear@25 657
nuclear@25 658
nuclear@26 659 void goat3d_get_node_position(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr, long tmsec)
nuclear@25 660 {
nuclear@26 661 Vector3 pos = node->get_position(tmsec);
nuclear@26 662 *xptr = pos.x;
nuclear@26 663 *yptr = pos.y;
nuclear@26 664 *zptr = pos.z;
nuclear@25 665 }
nuclear@25 666
nuclear@26 667 void goat3d_get_node_rotation(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr, float *wptr, long tmsec)
nuclear@25 668 {
nuclear@26 669 Quaternion q = node->get_rotation(tmsec);
nuclear@26 670 *xptr = q.v.x;
nuclear@26 671 *yptr = q.v.y;
nuclear@26 672 *zptr = q.v.z;
nuclear@26 673 *wptr = q.s;
nuclear@25 674 }
nuclear@25 675
nuclear@26 676 void goat3d_get_node_scaling(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr, long tmsec)
nuclear@25 677 {
nuclear@26 678 Vector3 scale = node->get_scaling(tmsec);
nuclear@26 679 *xptr = scale.x;
nuclear@26 680 *yptr = scale.y;
nuclear@26 681 *zptr = scale.z;
nuclear@25 682 }
nuclear@25 683
nuclear@26 684 void goat3d_get_node_pivot(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr)
nuclear@25 685 {
nuclear@26 686 Vector3 pivot = node->get_pivot();
nuclear@26 687 *xptr = pivot.x;
nuclear@26 688 *yptr = pivot.y;
nuclear@26 689 *zptr = pivot.z;
nuclear@25 690 }
nuclear@25 691
nuclear@25 692
nuclear@26 693 void goat3d_get_node_matrix(const struct goat3d_node *node, float *matrix, long tmsec)
nuclear@25 694 {
nuclear@26 695 node->get_xform(tmsec, (Matrix4x4*)matrix);
nuclear@25 696 }
nuclear@25 697
nuclear@25 698
nuclear@16 699 } // extern "C"
nuclear@16 700
nuclear@16 701
nuclear@16 702 static long read_file(void *buf, size_t bytes, void *uptr)
nuclear@16 703 {
nuclear@16 704 return (long)fread(buf, 1, bytes, (FILE*)uptr);
nuclear@16 705 }
nuclear@16 706
nuclear@16 707 static long write_file(const void *buf, size_t bytes, void *uptr)
nuclear@16 708 {
nuclear@16 709 return (long)fwrite(buf, 1, bytes, (FILE*)uptr);
nuclear@16 710 }
nuclear@16 711
nuclear@16 712 static long seek_file(long offs, int whence, void *uptr)
nuclear@16 713 {
nuclear@16 714 if(fseek((FILE*)uptr, offs, whence) == -1) {
nuclear@16 715 return -1;
nuclear@16 716 }
nuclear@16 717 return ftell((FILE*)uptr);
nuclear@16 718 }
nuclear@31 719
nuclear@31 720 static std::string clean_filename(const char *str)
nuclear@31 721 {
nuclear@31 722 const char *last_slash = strrchr(str, '/');
nuclear@31 723 if(!last_slash) {
nuclear@31 724 last_slash = strrchr(str, '\\');
nuclear@31 725 }
nuclear@31 726
nuclear@31 727 if(last_slash) {
nuclear@31 728 str = last_slash + 1;
nuclear@31 729 }
nuclear@31 730
nuclear@31 731 char *buf = (char*)alloca(strlen(str) + 1);
nuclear@31 732 char *dest = buf;
nuclear@31 733 while(*str) {
nuclear@31 734 char c = *str++;
nuclear@31 735 *dest++ = tolower(c);
nuclear@31 736 }
nuclear@31 737 return buf;
nuclear@31 738 }