goat3d

annotate src/goat3d.cc @ 41:da3f335e0069

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revamped the visual studio project files
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 01 Dec 2013 01:31:53 +0200
parents a5c5cec3cb88
children 8da36540e2e9
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@32 18 char *search_path;
nuclear@16 19 };
nuclear@16 20
nuclear@16 21 struct goat3d_material : public Material {};
nuclear@16 22 struct goat3d_mesh : public Mesh {};
nuclear@16 23 struct goat3d_light : public Light {};
nuclear@16 24 struct goat3d_camera : public Camera {};
nuclear@16 25 struct goat3d_node : public Node {};
nuclear@16 26
nuclear@16 27
nuclear@16 28 static long read_file(void *buf, size_t bytes, void *uptr);
nuclear@16 29 static long write_file(const void *buf, size_t bytes, void *uptr);
nuclear@16 30 static long seek_file(long offs, int whence, void *uptr);
nuclear@16 31
nuclear@16 32 extern "C" {
nuclear@16 33
nuclear@41 34 GOAT3DAPI struct goat3d *goat3d_create(void)
nuclear@16 35 {
nuclear@16 36 goat3d *goat = new goat3d;
nuclear@27 37 goat->flags = 0;
nuclear@32 38 goat->search_path = 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@41 45 GOAT3DAPI void goat3d_free(struct goat3d *g)
nuclear@16 46 {
nuclear@32 47 delete g->search_path;
nuclear@16 48 delete g->scn;
nuclear@16 49 delete g;
nuclear@16 50 }
nuclear@16 51
nuclear@41 52 GOAT3DAPI void goat3d_setopt(struct goat3d *g, enum goat3d_option opt, int val)
nuclear@16 53 {
nuclear@16 54 if(val) {
nuclear@16 55 g->flags |= (1 << (int)opt);
nuclear@16 56 } else {
nuclear@16 57 g->flags &= ~(1 << (int)opt);
nuclear@16 58 }
nuclear@16 59 }
nuclear@16 60
nuclear@41 61 GOAT3DAPI int goat3d_getopt(const struct goat3d *g, enum goat3d_option opt)
nuclear@16 62 {
nuclear@16 63 return (g->flags >> (int)opt) & 1;
nuclear@16 64 }
nuclear@16 65
nuclear@41 66 GOAT3DAPI int goat3d_load(struct goat3d *g, const char *fname)
nuclear@16 67 {
nuclear@16 68 FILE *fp = fopen(fname, "rb");
nuclear@16 69 if(!fp) {
nuclear@16 70 logmsg(LOG_ERROR, "failed to open file \"%s\" for reading: %s\n", fname, strerror(errno));
nuclear@16 71 return -1;
nuclear@16 72 }
nuclear@16 73
nuclear@32 74 /* if the filename contained any directory components, keep the prefix
nuclear@32 75 * to use it as a search path for external mesh file loading
nuclear@32 76 */
nuclear@32 77 g->search_path = new char[strlen(fname) + 1];
nuclear@32 78 strcpy(g->search_path, fname);
nuclear@32 79
nuclear@32 80 char *slash = strrchr(g->search_path, '/');
nuclear@32 81 if(slash) {
nuclear@32 82 *slash = 0;
nuclear@32 83 } else {
nuclear@32 84 if((slash = strrchr(g->search_path, '\\'))) {
nuclear@32 85 *slash = 0;
nuclear@32 86 } else {
nuclear@32 87 delete [] g->search_path;
nuclear@32 88 g->search_path = 0;
nuclear@32 89 }
nuclear@32 90 }
nuclear@32 91
nuclear@16 92 int res = goat3d_load_file(g, fp);
nuclear@16 93 fclose(fp);
nuclear@16 94 return res;
nuclear@16 95 }
nuclear@16 96
nuclear@41 97 GOAT3DAPI int goat3d_save(const struct goat3d *g, const char *fname)
nuclear@16 98 {
nuclear@16 99 FILE *fp = fopen(fname, "wb");
nuclear@16 100 if(!fp) {
nuclear@16 101 logmsg(LOG_ERROR, "failed to open file \"%s\" for writing: %s\n", fname, strerror(errno));
nuclear@16 102 return -1;
nuclear@16 103 }
nuclear@16 104
nuclear@16 105 int res = goat3d_save_file(g, fp);
nuclear@16 106 fclose(fp);
nuclear@16 107 return res;
nuclear@16 108 }
nuclear@16 109
nuclear@41 110 GOAT3DAPI int goat3d_load_file(struct goat3d *g, FILE *fp)
nuclear@16 111 {
nuclear@16 112 goat3d_io io;
nuclear@16 113 io.cls = fp;
nuclear@16 114 io.read = read_file;
nuclear@16 115 io.write = write_file;
nuclear@16 116 io.seek = seek_file;
nuclear@16 117
nuclear@16 118 return goat3d_load_io(g, &io);
nuclear@16 119 }
nuclear@16 120
nuclear@41 121 GOAT3DAPI int goat3d_save_file(const struct goat3d *g, FILE *fp)
nuclear@16 122 {
nuclear@16 123 goat3d_io io;
nuclear@16 124 io.cls = fp;
nuclear@16 125 io.read = read_file;
nuclear@16 126 io.write = write_file;
nuclear@16 127 io.seek = seek_file;
nuclear@16 128
nuclear@16 129 return goat3d_save_io(g, &io);
nuclear@16 130 }
nuclear@16 131
nuclear@41 132 GOAT3DAPI int goat3d_load_io(struct goat3d *g, struct goat3d_io *io)
nuclear@16 133 {
nuclear@16 134 if(!g->scn->load(io)) {
nuclear@16 135 if(g->scn->loadxml(io)) {
nuclear@16 136 return -1;
nuclear@16 137 }
nuclear@16 138 }
nuclear@16 139 return 0;
nuclear@16 140 }
nuclear@16 141
nuclear@41 142 GOAT3DAPI int goat3d_save_io(const struct goat3d *g, struct goat3d_io *io)
nuclear@16 143 {
nuclear@16 144 if(goat3d_getopt(g, GOAT3D_OPT_SAVEXML)) {
nuclear@16 145 return g->scn->savexml(io) ? 0 : -1;
nuclear@16 146 }
nuclear@16 147 return g->scn->save(io) ? 0 : -1;
nuclear@16 148 }
nuclear@16 149
nuclear@41 150 GOAT3DAPI int goat3d_set_name(struct goat3d *g, const char *name)
nuclear@16 151 {
nuclear@16 152 g->scn->set_name(name);
nuclear@16 153 return 0;
nuclear@16 154 }
nuclear@16 155
nuclear@41 156 GOAT3DAPI const char *goat3d_get_name(const struct goat3d *g)
nuclear@16 157 {
nuclear@16 158 return g->scn->get_name();
nuclear@16 159 }
nuclear@16 160
nuclear@41 161 GOAT3DAPI void goat3d_set_ambient(struct goat3d *g, const float *amb)
nuclear@16 162 {
nuclear@16 163 g->scn->set_ambient(Vector3(amb[0], amb[1], amb[2]));
nuclear@16 164 }
nuclear@16 165
nuclear@41 166 GOAT3DAPI void goat3d_set_ambient3f(struct goat3d *g, float ar, float ag, float ab)
nuclear@16 167 {
nuclear@16 168 g->scn->set_ambient(Vector3(ar, ag, ab));
nuclear@16 169 }
nuclear@16 170
nuclear@41 171 GOAT3DAPI const float *goat3d_get_ambient(const struct goat3d *g)
nuclear@16 172 {
nuclear@16 173 return &g->scn->get_ambient().x;
nuclear@16 174 }
nuclear@16 175
nuclear@16 176 // ---- materials ----
nuclear@41 177 GOAT3DAPI void goat3d_add_mtl(struct goat3d *g, struct goat3d_material *mtl)
nuclear@27 178 {
nuclear@27 179 g->scn->add_material(mtl);
nuclear@27 180 }
nuclear@27 181
nuclear@41 182 GOAT3DAPI struct goat3d_material *goat3d_create_mtl(void)
nuclear@16 183 {
nuclear@16 184 return new goat3d_material;
nuclear@16 185 }
nuclear@16 186
nuclear@41 187 GOAT3DAPI void goat3d_destroy_mtl(struct goat3d_material *mtl)
nuclear@16 188 {
nuclear@16 189 delete mtl;
nuclear@16 190 }
nuclear@16 191
nuclear@41 192 GOAT3DAPI void goat3d_set_mtl_name(struct goat3d_material *mtl, const char *name)
nuclear@16 193 {
nuclear@16 194 mtl->name = std::string(name);
nuclear@16 195 }
nuclear@16 196
nuclear@41 197 GOAT3DAPI const char *goat3d_get_mtl_name(const struct goat3d_material *mtl)
nuclear@16 198 {
nuclear@16 199 return mtl->name.c_str();
nuclear@16 200 }
nuclear@16 201
nuclear@41 202 GOAT3DAPI void goat3d_set_mtl_attrib(struct goat3d_material *mtl, const char *attrib, const float *val)
nuclear@16 203 {
nuclear@16 204 (*mtl)[attrib].value = Vector4(val[0], val[1], val[2], val[3]);
nuclear@16 205 }
nuclear@16 206
nuclear@41 207 GOAT3DAPI void goat3d_set_mtl_attrib1f(struct goat3d_material *mtl, const char *attrib, float val)
nuclear@16 208 {
nuclear@16 209 goat3d_set_mtl_attrib4f(mtl, attrib, val, 0, 0, 1);
nuclear@16 210 }
nuclear@16 211
nuclear@41 212 GOAT3DAPI void goat3d_set_mtl_attrib3f(struct goat3d_material *mtl, const char *attrib, float r, float g, float b)
nuclear@16 213 {
nuclear@16 214 goat3d_set_mtl_attrib4f(mtl, attrib, r, g, b, 1);
nuclear@16 215 }
nuclear@16 216
nuclear@41 217 GOAT3DAPI void goat3d_set_mtl_attrib4f(struct goat3d_material *mtl, const char *attrib, float r, float g, float b, float a)
nuclear@16 218 {
nuclear@16 219 (*mtl)[attrib].value = Vector4(r, g, b, a);
nuclear@16 220 }
nuclear@16 221
nuclear@41 222 GOAT3DAPI const float *goat3d_get_mtl_attrib(struct goat3d_material *mtl, const char *attrib)
nuclear@16 223 {
nuclear@16 224 return &(*mtl)[attrib].value.x;
nuclear@16 225 }
nuclear@16 226
nuclear@41 227 GOAT3DAPI void goat3d_set_mtl_attrib_map(struct goat3d_material *mtl, const char *attrib, const char *mapname)
nuclear@16 228 {
nuclear@40 229 (*mtl)[attrib].map = goat3d_clean_filename(mapname);
nuclear@16 230 }
nuclear@16 231
nuclear@41 232 GOAT3DAPI const char *goat3d_get_mtl_attrib_map(struct goat3d_material *mtl, const char *attrib)
nuclear@16 233 {
nuclear@16 234 return (*mtl)[attrib].map.c_str();
nuclear@16 235 }
nuclear@16 236
nuclear@27 237 // ---- meshes ----
nuclear@41 238 GOAT3DAPI void goat3d_add_mesh(struct goat3d *g, struct goat3d_mesh *mesh)
nuclear@16 239 {
nuclear@27 240 g->scn->add_mesh(mesh);
nuclear@16 241 }
nuclear@16 242
nuclear@41 243 GOAT3DAPI int goat3d_get_mesh_count(struct goat3d *g)
nuclear@27 244 {
nuclear@27 245 return g->scn->get_mesh_count();
nuclear@27 246 }
nuclear@27 247
nuclear@41 248 GOAT3DAPI struct goat3d_mesh *goat3d_get_mesh(struct goat3d *g, int idx)
nuclear@27 249 {
nuclear@27 250 return (goat3d_mesh*)g->scn->get_mesh(idx);
nuclear@27 251 }
nuclear@27 252
nuclear@41 253 GOAT3DAPI struct goat3d_mesh *goat3d_get_mesh_by_name(struct goat3d *g, const char *name)
nuclear@27 254 {
nuclear@27 255 return (goat3d_mesh*)g->scn->get_mesh(name);
nuclear@27 256 }
nuclear@27 257
nuclear@41 258 GOAT3DAPI struct goat3d_mesh *goat3d_create_mesh(void)
nuclear@16 259 {
nuclear@16 260 return new goat3d_mesh;
nuclear@16 261 }
nuclear@16 262
nuclear@41 263 GOAT3DAPI void goat3d_destroy_mesh(struct goat3d_mesh *mesh)
nuclear@16 264 {
nuclear@16 265 delete mesh;
nuclear@16 266 }
nuclear@16 267
nuclear@41 268 GOAT3DAPI void goat3d_set_mesh_name(struct goat3d_mesh *mesh, const char *name)
nuclear@16 269 {
nuclear@16 270 mesh->name = std::string(name);
nuclear@16 271 }
nuclear@16 272
nuclear@41 273 GOAT3DAPI const char *goat3d_get_mesh_name(const struct goat3d_mesh *mesh)
nuclear@16 274 {
nuclear@16 275 return mesh->name.c_str();
nuclear@16 276 }
nuclear@16 277
nuclear@41 278 GOAT3DAPI void goat3d_set_mesh_mtl(struct goat3d_mesh *mesh, struct goat3d_material *mtl)
nuclear@16 279 {
nuclear@16 280 mesh->material = mtl;
nuclear@16 281 }
nuclear@16 282
nuclear@41 283 GOAT3DAPI struct goat3d_material *goat3d_get_mesh_mtl(struct goat3d_mesh *mesh)
nuclear@16 284 {
nuclear@16 285 return (goat3d_material*)mesh->material;
nuclear@16 286 }
nuclear@16 287
nuclear@41 288 GOAT3DAPI int goat3d_get_mesh_attrib_count(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib)
nuclear@16 289 {
nuclear@16 290 return (int)mesh->vertices.size();
nuclear@16 291 }
nuclear@16 292
nuclear@41 293 GOAT3DAPI int goat3d_get_mesh_face_count(struct goat3d_mesh *mesh)
nuclear@16 294 {
nuclear@16 295 return (int)mesh->faces.size();
nuclear@16 296 }
nuclear@16 297
nuclear@19 298 // VECDATA is in goat3d_impl.h
nuclear@41 299 GOAT3DAPI void goat3d_set_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib, const void *data, int vnum)
nuclear@16 300 {
nuclear@16 301 if(attrib == GOAT3D_MESH_ATTR_VERTEX) {
nuclear@16 302 mesh->vertices = VECDATA(Vector3, data, vnum);
nuclear@16 303 return;
nuclear@16 304 }
nuclear@16 305
nuclear@16 306 if(vnum != (int)mesh->vertices.size()) {
nuclear@16 307 logmsg(LOG_ERROR, "trying to set mesh attrib data with number of elements different than the vertex array\n");
nuclear@16 308 return;
nuclear@16 309 }
nuclear@16 310
nuclear@16 311 switch(attrib) {
nuclear@16 312 case GOAT3D_MESH_ATTR_NORMAL:
nuclear@16 313 mesh->normals = VECDATA(Vector3, data, vnum);
nuclear@16 314 break;
nuclear@16 315 case GOAT3D_MESH_ATTR_TANGENT:
nuclear@16 316 mesh->tangents = VECDATA(Vector3, data, vnum);
nuclear@16 317 break;
nuclear@16 318 case GOAT3D_MESH_ATTR_TEXCOORD:
nuclear@16 319 mesh->texcoords = VECDATA(Vector2, data, vnum);
nuclear@16 320 break;
nuclear@16 321 case GOAT3D_MESH_ATTR_SKIN_WEIGHT:
nuclear@16 322 mesh->skin_weights = VECDATA(Vector4, data, vnum);
nuclear@16 323 break;
nuclear@16 324 case GOAT3D_MESH_ATTR_SKIN_MATRIX:
nuclear@16 325 mesh->skin_matrices = VECDATA(Int4, data, vnum);
nuclear@16 326 break;
nuclear@16 327 case GOAT3D_MESH_ATTR_COLOR:
nuclear@16 328 mesh->colors = VECDATA(Vector4, data, vnum);
nuclear@16 329 default:
nuclear@16 330 break;
nuclear@16 331 }
nuclear@16 332 }
nuclear@16 333
nuclear@41 334 GOAT3DAPI void goat3d_add_mesh_attrib1f(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib,
nuclear@40 335 float val)
nuclear@40 336 {
nuclear@40 337 goat3d_add_mesh_attrib4f(mesh, attrib, val, 0, 0, 1);
nuclear@40 338 }
nuclear@40 339
nuclear@41 340 GOAT3DAPI void goat3d_add_mesh_attrib3f(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib,
nuclear@40 341 float x, float y, float z)
nuclear@40 342 {
nuclear@40 343 goat3d_add_mesh_attrib4f(mesh, attrib, x, y, z, 1);
nuclear@40 344 }
nuclear@40 345
nuclear@41 346 GOAT3DAPI void goat3d_add_mesh_attrib4f(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib,
nuclear@40 347 float x, float y, float z, float w)
nuclear@40 348 {
nuclear@40 349 switch(attrib) {
nuclear@40 350 case GOAT3D_MESH_ATTR_VERTEX:
nuclear@40 351 mesh->vertices.push_back(Vector3(x, y, z));
nuclear@40 352 break;
nuclear@40 353 case GOAT3D_MESH_ATTR_NORMAL:
nuclear@40 354 mesh->normals.push_back(Vector3(x, y, z));
nuclear@40 355 break;
nuclear@40 356 case GOAT3D_MESH_ATTR_TANGENT:
nuclear@40 357 mesh->tangents.push_back(Vector3(x, y, z));
nuclear@40 358 break;
nuclear@40 359 case GOAT3D_MESH_ATTR_TEXCOORD:
nuclear@40 360 mesh->texcoords.push_back(Vector2(x, y));
nuclear@40 361 break;
nuclear@40 362 case GOAT3D_MESH_ATTR_SKIN_WEIGHT:
nuclear@40 363 mesh->skin_weights.push_back(Vector4(x, y, z, w));
nuclear@40 364 break;
nuclear@40 365 case GOAT3D_MESH_ATTR_SKIN_MATRIX:
nuclear@40 366 mesh->skin_matrices.push_back(Int4(x, y, z, w));
nuclear@40 367 break;
nuclear@40 368 case GOAT3D_MESH_ATTR_COLOR:
nuclear@40 369 mesh->colors.push_back(Vector4(x, y, z, w));
nuclear@40 370 default:
nuclear@40 371 break;
nuclear@40 372 }
nuclear@40 373 }
nuclear@40 374
nuclear@41 375 GOAT3DAPI void *goat3d_get_mesh_attribs(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib)
nuclear@16 376 {
nuclear@16 377 return goat3d_get_mesh_attrib(mesh, attrib, 0);
nuclear@16 378 }
nuclear@16 379
nuclear@41 380 GOAT3DAPI void *goat3d_get_mesh_attrib(struct goat3d_mesh *mesh, enum goat3d_mesh_attrib attrib, int idx)
nuclear@16 381 {
nuclear@16 382 switch(attrib) {
nuclear@16 383 case GOAT3D_MESH_ATTR_VERTEX:
nuclear@16 384 return mesh->vertices.empty() ? 0 : (void*)&mesh->vertices[idx];
nuclear@16 385 case GOAT3D_MESH_ATTR_NORMAL:
nuclear@16 386 return mesh->normals.empty() ? 0 : (void*)&mesh->normals[idx];
nuclear@16 387 case GOAT3D_MESH_ATTR_TANGENT:
nuclear@16 388 return mesh->tangents.empty() ? 0 : (void*)&mesh->tangents[idx];
nuclear@16 389 case GOAT3D_MESH_ATTR_TEXCOORD:
nuclear@16 390 return mesh->texcoords.empty() ? 0 : (void*)&mesh->texcoords[idx];
nuclear@16 391 case GOAT3D_MESH_ATTR_SKIN_WEIGHT:
nuclear@16 392 return mesh->skin_weights.empty() ? 0 : (void*)&mesh->skin_weights[idx];
nuclear@16 393 case GOAT3D_MESH_ATTR_SKIN_MATRIX:
nuclear@16 394 return mesh->skin_matrices.empty() ? 0 : (void*)&mesh->skin_matrices[idx];
nuclear@16 395 case GOAT3D_MESH_ATTR_COLOR:
nuclear@16 396 return mesh->colors.empty() ? 0 : (void*)&mesh->colors[idx];
nuclear@16 397 default:
nuclear@16 398 break;
nuclear@16 399 }
nuclear@16 400 return 0;
nuclear@16 401 }
nuclear@16 402
nuclear@16 403
nuclear@41 404 GOAT3DAPI void goat3d_set_mesh_faces(struct goat3d_mesh *mesh, const int *data, int num)
nuclear@16 405 {
nuclear@16 406 mesh->faces = VECDATA(Face, data, num);
nuclear@16 407 }
nuclear@16 408
nuclear@41 409 GOAT3DAPI void goat3d_add_mesh_face(struct goat3d_mesh *mesh, int a, int b, int c)
nuclear@40 410 {
nuclear@40 411 Face face;
nuclear@40 412 face.v[0] = a;
nuclear@40 413 face.v[1] = b;
nuclear@40 414 face.v[2] = c;
nuclear@40 415 mesh->faces.push_back(face);
nuclear@40 416 }
nuclear@40 417
nuclear@41 418 GOAT3DAPI int *goat3d_get_mesh_faces(struct goat3d_mesh *mesh)
nuclear@16 419 {
nuclear@16 420 return goat3d_get_mesh_face(mesh, 0);
nuclear@16 421 }
nuclear@16 422
nuclear@41 423 GOAT3DAPI int *goat3d_get_mesh_face(struct goat3d_mesh *mesh, int idx)
nuclear@16 424 {
nuclear@16 425 return mesh->faces.empty() ? 0 : mesh->faces[idx].v;
nuclear@16 426 }
nuclear@16 427
nuclear@16 428 // immedate mode state
nuclear@16 429 static enum goat3d_im_primitive im_prim;
nuclear@16 430 static struct goat3d_mesh *im_mesh;
nuclear@16 431 static Vector3 im_norm, im_tang;
nuclear@16 432 static Vector2 im_texcoord;
nuclear@16 433 static Vector4 im_skinw, im_color = Vector4(1, 1, 1, 1);
nuclear@16 434 static Int4 im_skinmat;
nuclear@16 435 static bool im_use[NUM_GOAT3D_MESH_ATTRIBS];
nuclear@16 436
nuclear@16 437
nuclear@41 438 GOAT3DAPI void goat3d_begin(struct goat3d_mesh *mesh, enum goat3d_im_primitive prim)
nuclear@16 439 {
nuclear@16 440 mesh->vertices.clear();
nuclear@16 441 mesh->normals.clear();
nuclear@16 442 mesh->tangents.clear();
nuclear@16 443 mesh->texcoords.clear();
nuclear@16 444 mesh->skin_weights.clear();
nuclear@16 445 mesh->skin_matrices.clear();
nuclear@16 446 mesh->colors.clear();
nuclear@16 447 mesh->faces.clear();
nuclear@16 448
nuclear@16 449 im_mesh = mesh;
nuclear@16 450 memset(im_use, 0, sizeof im_use);
nuclear@16 451
nuclear@16 452 im_prim = prim;
nuclear@16 453 }
nuclear@16 454
nuclear@41 455 GOAT3DAPI void goat3d_end(void)
nuclear@16 456 {
nuclear@16 457 switch(im_prim) {
nuclear@16 458 case GOAT3D_TRIANGLES:
nuclear@17 459 {
nuclear@17 460 int num_faces = (int)im_mesh->vertices.size() / 3;
nuclear@17 461 im_mesh->faces.resize(num_faces);
nuclear@17 462
nuclear@17 463 int vidx = 0;
nuclear@17 464 for(int i=0; i<num_faces; i++) {
nuclear@17 465 im_mesh->faces[i].v[0] = vidx++;
nuclear@17 466 im_mesh->faces[i].v[1] = vidx++;
nuclear@17 467 im_mesh->faces[i].v[2] = vidx++;
nuclear@17 468 }
nuclear@17 469 }
nuclear@16 470 break;
nuclear@16 471
nuclear@16 472 case GOAT3D_QUADS:
nuclear@17 473 {
nuclear@17 474 int num_quads = (int)im_mesh->vertices.size() / 4;
nuclear@17 475 im_mesh->faces.resize(num_quads * 2);
nuclear@17 476
nuclear@17 477 int vidx = 0;
nuclear@17 478 for(int i=0; i<num_quads; i++) {
nuclear@17 479 im_mesh->faces[i * 2].v[0] = vidx;
nuclear@17 480 im_mesh->faces[i * 2].v[1] = vidx + 1;
nuclear@17 481 im_mesh->faces[i * 2].v[2] = vidx + 2;
nuclear@17 482
nuclear@17 483 im_mesh->faces[i * 2 + 1].v[0] = vidx;
nuclear@17 484 im_mesh->faces[i * 2 + 1].v[1] = vidx + 2;
nuclear@17 485 im_mesh->faces[i * 2 + 1].v[2] = vidx + 3;
nuclear@17 486
nuclear@17 487 vidx += 4;
nuclear@17 488 }
nuclear@17 489 }
nuclear@16 490 break;
nuclear@16 491
nuclear@16 492 default:
nuclear@16 493 return;
nuclear@16 494 };
nuclear@16 495 }
nuclear@16 496
nuclear@41 497 GOAT3DAPI void goat3d_vertex3f(float x, float y, float z)
nuclear@16 498 {
nuclear@16 499 im_mesh->vertices.push_back(Vector3(x, y, z));
nuclear@16 500 if(im_use[GOAT3D_MESH_ATTR_NORMAL]) {
nuclear@16 501 im_mesh->normals.push_back(im_norm);
nuclear@16 502 }
nuclear@16 503 if(im_use[GOAT3D_MESH_ATTR_TANGENT]) {
nuclear@16 504 im_mesh->tangents.push_back(im_tang);
nuclear@16 505 }
nuclear@16 506 if(im_use[GOAT3D_MESH_ATTR_TEXCOORD]) {
nuclear@16 507 im_mesh->texcoords.push_back(im_texcoord);
nuclear@16 508 }
nuclear@16 509 if(im_use[GOAT3D_MESH_ATTR_SKIN_WEIGHT]) {
nuclear@16 510 im_mesh->skin_weights.push_back(im_skinw);
nuclear@16 511 }
nuclear@16 512 if(im_use[GOAT3D_MESH_ATTR_SKIN_MATRIX]) {
nuclear@16 513 im_mesh->skin_matrices.push_back(im_skinmat);
nuclear@16 514 }
nuclear@16 515 if(im_use[GOAT3D_MESH_ATTR_COLOR]) {
nuclear@16 516 im_mesh->colors.push_back(im_color);
nuclear@16 517 }
nuclear@16 518 }
nuclear@16 519
nuclear@41 520 GOAT3DAPI void goat3d_normal3f(float x, float y, float z)
nuclear@16 521 {
nuclear@16 522 im_norm = Vector3(x, y, z);
nuclear@17 523 im_use[GOAT3D_MESH_ATTR_NORMAL] = true;
nuclear@16 524 }
nuclear@16 525
nuclear@41 526 GOAT3DAPI void goat3d_tangent3f(float x, float y, float z)
nuclear@16 527 {
nuclear@16 528 im_tang = Vector3(x, y, z);
nuclear@17 529 im_use[GOAT3D_MESH_ATTR_TANGENT] = true;
nuclear@16 530 }
nuclear@16 531
nuclear@41 532 GOAT3DAPI void goat3d_texcoord2f(float x, float y)
nuclear@16 533 {
nuclear@16 534 im_texcoord = Vector2(x, y);
nuclear@17 535 im_use[GOAT3D_MESH_ATTR_TEXCOORD] = true;
nuclear@16 536 }
nuclear@16 537
nuclear@41 538 GOAT3DAPI void goat3d_skin_weight4f(float x, float y, float z, float w)
nuclear@16 539 {
nuclear@16 540 im_skinw = Vector4(x, y, z, w);
nuclear@17 541 im_use[GOAT3D_MESH_ATTR_SKIN_WEIGHT] = true;
nuclear@16 542 }
nuclear@16 543
nuclear@41 544 GOAT3DAPI void goat3d_skin_matrix4i(int x, int y, int z, int w)
nuclear@16 545 {
nuclear@16 546 im_skinmat.x = x;
nuclear@16 547 im_skinmat.y = y;
nuclear@16 548 im_skinmat.z = z;
nuclear@16 549 im_skinmat.w = w;
nuclear@17 550 im_use[GOAT3D_MESH_ATTR_SKIN_MATRIX] = true;
nuclear@16 551 }
nuclear@16 552
nuclear@41 553 GOAT3DAPI void goat3d_color3f(float x, float y, float z)
nuclear@16 554 {
nuclear@17 555 goat3d_color4f(x, y, z, 1.0f);
nuclear@16 556 }
nuclear@16 557
nuclear@41 558 GOAT3DAPI void goat3d_color4f(float x, float y, float z, float w)
nuclear@16 559 {
nuclear@16 560 im_color = Vector4(x, y, z, w);
nuclear@17 561 im_use[GOAT3D_MESH_ATTR_COLOR] = true;
nuclear@16 562 }
nuclear@16 563
nuclear@27 564 /* lights */
nuclear@41 565 GOAT3DAPI void goat3d_add_light(struct goat3d *g, struct goat3d_light *lt)
nuclear@16 566 {
nuclear@27 567 g->scn->add_light(lt);
nuclear@16 568 }
nuclear@16 569
nuclear@41 570 GOAT3DAPI int goat3d_get_light_count(struct goat3d *g)
nuclear@19 571 {
nuclear@27 572 return g->scn->get_light_count();
nuclear@19 573 }
nuclear@19 574
nuclear@41 575 GOAT3DAPI struct goat3d_light *goat3d_get_light(struct goat3d *g, int idx)
nuclear@19 576 {
nuclear@27 577 return (goat3d_light*)g->scn->get_light(idx);
nuclear@19 578 }
nuclear@19 579
nuclear@41 580 GOAT3DAPI struct goat3d_light *goat3d_get_light_by_name(struct goat3d *g, const char *name)
nuclear@27 581 {
nuclear@27 582 return (goat3d_light*)g->scn->get_light(name);
nuclear@27 583 }
nuclear@27 584
nuclear@27 585
nuclear@41 586 GOAT3DAPI struct goat3d_light *goat3d_create_light(void)
nuclear@27 587 {
nuclear@27 588 return new goat3d_light;
nuclear@27 589 }
nuclear@27 590
nuclear@41 591 GOAT3DAPI void goat3d_destroy_light(struct goat3d_light *lt)
nuclear@27 592 {
nuclear@27 593 delete lt;
nuclear@27 594 }
nuclear@27 595
nuclear@27 596
nuclear@27 597 /* cameras */
nuclear@41 598 GOAT3DAPI void goat3d_add_camera(struct goat3d *g, struct goat3d_camera *cam)
nuclear@27 599 {
nuclear@27 600 g->scn->add_camera(cam);
nuclear@27 601 }
nuclear@27 602
nuclear@41 603 GOAT3DAPI int goat3d_get_camera_count(struct goat3d *g)
nuclear@27 604 {
nuclear@27 605 return g->scn->get_camera_count();
nuclear@27 606 }
nuclear@27 607
nuclear@41 608 GOAT3DAPI struct goat3d_camera *goat3d_get_camera(struct goat3d *g, int idx)
nuclear@27 609 {
nuclear@27 610 return (goat3d_camera*)g->scn->get_camera(idx);
nuclear@27 611 }
nuclear@27 612
nuclear@41 613 GOAT3DAPI struct goat3d_camera *goat3d_get_camera_by_name(struct goat3d *g, const char *name)
nuclear@27 614 {
nuclear@27 615 return (goat3d_camera*)g->scn->get_camera(name);
nuclear@27 616 }
nuclear@27 617
nuclear@41 618 GOAT3DAPI struct goat3d_camera *goat3d_create_camera(void)
nuclear@27 619 {
nuclear@27 620 return new goat3d_camera;
nuclear@27 621 }
nuclear@27 622
nuclear@41 623 GOAT3DAPI void goat3d_destroy_camera(struct goat3d_camera *cam)
nuclear@27 624 {
nuclear@27 625 delete cam;
nuclear@27 626 }
nuclear@27 627
nuclear@27 628
nuclear@16 629
nuclear@25 630 // node
nuclear@41 631 GOAT3DAPI void goat3d_add_node(struct goat3d *g, struct goat3d_node *node)
nuclear@27 632 {
nuclear@27 633 g->scn->add_node(node);
nuclear@27 634 }
nuclear@27 635
nuclear@41 636 GOAT3DAPI int goat3d_get_node_count(struct goat3d *g)
nuclear@27 637 {
nuclear@27 638 return g->scn->get_node_count();
nuclear@27 639 }
nuclear@27 640
nuclear@41 641 GOAT3DAPI struct goat3d_node *goat3d_get_node(struct goat3d *g, int idx)
nuclear@27 642 {
nuclear@27 643 return (goat3d_node*)g->scn->get_node(idx);
nuclear@27 644 }
nuclear@27 645
nuclear@41 646 GOAT3DAPI struct goat3d_node *goat3d_get_node_by_name(struct goat3d *g, const char *name)
nuclear@27 647 {
nuclear@27 648 return (goat3d_node*)g->scn->get_node(name);
nuclear@27 649 }
nuclear@25 650
nuclear@41 651 GOAT3DAPI struct goat3d_node *goat3d_create_node(void)
nuclear@25 652 {
nuclear@25 653 return new goat3d_node;
nuclear@25 654 }
nuclear@25 655
nuclear@41 656 GOAT3DAPI void goat3d_set_node_name(struct goat3d_node *node, const char *name)
nuclear@25 657 {
nuclear@25 658 node->set_name(name);
nuclear@25 659 }
nuclear@25 660
nuclear@41 661 GOAT3DAPI const char *goat3d_get_node_name(const struct goat3d_node *node)
nuclear@25 662 {
nuclear@25 663 return node->get_name();
nuclear@25 664 }
nuclear@25 665
nuclear@41 666 GOAT3DAPI void goat3d_set_node_object(struct goat3d_node *node, enum goat3d_node_type type, void *obj)
nuclear@25 667 {
nuclear@25 668 node->set_object((Object*)obj);
nuclear@25 669 }
nuclear@25 670
nuclear@41 671 GOAT3DAPI void *goat3d_get_node_object(const struct goat3d_node *node)
nuclear@25 672 {
nuclear@26 673 return (void*)node->get_object();
nuclear@25 674 }
nuclear@25 675
nuclear@41 676 GOAT3DAPI enum goat3d_node_type goat3d_get_node_type(const struct goat3d_node *node)
nuclear@25 677 {
nuclear@26 678 const Object *obj = node->get_object();
nuclear@26 679 if(dynamic_cast<const Mesh*>(obj)) {
nuclear@26 680 return GOAT3D_NODE_MESH;
nuclear@26 681 }
nuclear@26 682 if(dynamic_cast<const Light*>(obj)) {
nuclear@26 683 return GOAT3D_NODE_LIGHT;
nuclear@26 684 }
nuclear@26 685 if(dynamic_cast<const Camera*>(obj)) {
nuclear@26 686 return GOAT3D_NODE_CAMERA;
nuclear@26 687 }
nuclear@26 688
nuclear@26 689 return GOAT3D_NODE_NULL;
nuclear@25 690 }
nuclear@25 691
nuclear@41 692 GOAT3DAPI void goat3d_add_node_child(struct goat3d_node *node, struct goat3d_node *child)
nuclear@25 693 {
nuclear@26 694 node->add_child(node);
nuclear@25 695 }
nuclear@25 696
nuclear@41 697 GOAT3DAPI int goat3d_get_node_child_count(const struct goat3d_node *node)
nuclear@25 698 {
nuclear@26 699 return node->get_children_count();
nuclear@25 700 }
nuclear@25 701
nuclear@41 702 GOAT3DAPI struct goat3d_node *goat3d_get_node_child(const struct goat3d_node *node, int idx)
nuclear@25 703 {
nuclear@26 704 return (goat3d_node*)node->get_child(idx);
nuclear@25 705 }
nuclear@25 706
nuclear@41 707 GOAT3DAPI void goat3d_set_node_position(struct goat3d_node *node, float x, float y, float z, long tmsec)
nuclear@25 708 {
nuclear@26 709 node->set_position(Vector3(x, y, z), tmsec);
nuclear@25 710 }
nuclear@25 711
nuclear@41 712 GOAT3DAPI void goat3d_set_node_rotation(struct goat3d_node *node, float qx, float qy, float qz, float qw, long tmsec)
nuclear@25 713 {
nuclear@26 714 node->set_rotation(Quaternion(qw, qx, qy, qz), tmsec);
nuclear@25 715 }
nuclear@25 716
nuclear@41 717 GOAT3DAPI void goat3d_set_node_scaling(struct goat3d_node *node, float sx, float sy, float sz, long tmsec)
nuclear@25 718 {
nuclear@26 719 node->set_scaling(Vector3(sx, sy, sz), tmsec);
nuclear@25 720 }
nuclear@25 721
nuclear@41 722 GOAT3DAPI void goat3d_set_node_pivot(struct goat3d_node *node, float px, float py, float pz)
nuclear@25 723 {
nuclear@26 724 node->set_pivot(Vector3(px, py, pz));
nuclear@25 725 }
nuclear@25 726
nuclear@25 727
nuclear@41 728 GOAT3DAPI void goat3d_get_node_position(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr, long tmsec)
nuclear@25 729 {
nuclear@26 730 Vector3 pos = node->get_position(tmsec);
nuclear@26 731 *xptr = pos.x;
nuclear@26 732 *yptr = pos.y;
nuclear@26 733 *zptr = pos.z;
nuclear@25 734 }
nuclear@25 735
nuclear@41 736 GOAT3DAPI void goat3d_get_node_rotation(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr, float *wptr, long tmsec)
nuclear@25 737 {
nuclear@26 738 Quaternion q = node->get_rotation(tmsec);
nuclear@26 739 *xptr = q.v.x;
nuclear@26 740 *yptr = q.v.y;
nuclear@26 741 *zptr = q.v.z;
nuclear@26 742 *wptr = q.s;
nuclear@25 743 }
nuclear@25 744
nuclear@41 745 GOAT3DAPI void goat3d_get_node_scaling(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr, long tmsec)
nuclear@25 746 {
nuclear@26 747 Vector3 scale = node->get_scaling(tmsec);
nuclear@26 748 *xptr = scale.x;
nuclear@26 749 *yptr = scale.y;
nuclear@26 750 *zptr = scale.z;
nuclear@25 751 }
nuclear@25 752
nuclear@41 753 GOAT3DAPI void goat3d_get_node_pivot(const struct goat3d_node *node, float *xptr, float *yptr, float *zptr)
nuclear@25 754 {
nuclear@26 755 Vector3 pivot = node->get_pivot();
nuclear@26 756 *xptr = pivot.x;
nuclear@26 757 *yptr = pivot.y;
nuclear@26 758 *zptr = pivot.z;
nuclear@25 759 }
nuclear@25 760
nuclear@25 761
nuclear@41 762 GOAT3DAPI void goat3d_get_node_matrix(const struct goat3d_node *node, float *matrix, long tmsec)
nuclear@25 763 {
nuclear@26 764 node->get_xform(tmsec, (Matrix4x4*)matrix);
nuclear@25 765 }
nuclear@25 766
nuclear@25 767
nuclear@16 768 } // extern "C"
nuclear@16 769
nuclear@16 770
nuclear@16 771 static long read_file(void *buf, size_t bytes, void *uptr)
nuclear@16 772 {
nuclear@16 773 return (long)fread(buf, 1, bytes, (FILE*)uptr);
nuclear@16 774 }
nuclear@16 775
nuclear@16 776 static long write_file(const void *buf, size_t bytes, void *uptr)
nuclear@16 777 {
nuclear@16 778 return (long)fwrite(buf, 1, bytes, (FILE*)uptr);
nuclear@16 779 }
nuclear@16 780
nuclear@16 781 static long seek_file(long offs, int whence, void *uptr)
nuclear@16 782 {
nuclear@16 783 if(fseek((FILE*)uptr, offs, whence) == -1) {
nuclear@16 784 return -1;
nuclear@16 785 }
nuclear@16 786 return ftell((FILE*)uptr);
nuclear@16 787 }
nuclear@31 788
nuclear@40 789 std::string goat3d_clean_filename(const char *str)
nuclear@31 790 {
nuclear@31 791 const char *last_slash = strrchr(str, '/');
nuclear@31 792 if(!last_slash) {
nuclear@31 793 last_slash = strrchr(str, '\\');
nuclear@31 794 }
nuclear@31 795
nuclear@31 796 if(last_slash) {
nuclear@31 797 str = last_slash + 1;
nuclear@31 798 }
nuclear@31 799
nuclear@31 800 char *buf = (char*)alloca(strlen(str) + 1);
nuclear@31 801 char *dest = buf;
nuclear@31 802 while(*str) {
nuclear@31 803 char c = *str++;
nuclear@31 804 *dest++ = tolower(c);
nuclear@31 805 }
nuclear@40 806 *dest = 0;
nuclear@31 807 return buf;
nuclear@31 808 }