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annotate TaskManager/Test/test_render/polygon.cpp @ 132:e7c80537b6aa
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| author | gongo@charles.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Tue, 25 Nov 2008 18:19:53 +0900 |
| parents | 8a33f4859ed8 |
| children | 6cf991f28c6c |
| rev | line source |
|---|---|
| 109 | 1 #include <iostream> |
| 2 #include <SDL.h> | |
| 3 #include <SDL_opengl.h> | |
| 4 #include <SDL_image.h> | |
| 5 #include <libxml/parser.h> | |
| 6 #include "polygon.h" | |
| 7 #include "xml.h" | |
| 8 #include "texture.h" | |
| 9 #include "sys.h" | |
| 10 #include "triangle.h" | |
| 11 #include "vertex.h" | |
| 12 #include "Span.h" | |
| 13 #include "SpanC.h" | |
| 14 #include "scene_graph_pack.h" | |
| 15 #include "error.h" | |
| 120 | 16 #include "viewer_types.h" |
| 109 | 17 using namespace std; |
| 18 | |
| 19 //extern int decode(char *cont, char *file_name); | |
| 20 extern int decode(char *cont, FILE *outfile); | |
| 21 | |
| 22 | |
| 23 SDL_Surface* Polygon::texture_image; | |
| 24 | |
| 25 Polygon::Polygon() | |
| 26 { | |
| 27 xyz[0] = 0; | |
| 28 xyz[1] = 0; | |
| 29 xyz[2] = 0; | |
| 30 xyz[3] = 1; | |
| 31 c_xyz[0] = 0; | |
| 32 c_xyz[1] = 0; | |
| 33 c_xyz[2] = 0; | |
| 34 c_xyz[3] = 1; | |
| 35 angle[0] = 0; | |
| 36 angle[1] = 0; | |
| 37 angle[2] = 0; | |
| 38 angle[3] = 1; | |
| 39 next = NULL; | |
| 40 parent = NULL; | |
| 41 brother = NULL; | |
| 42 children = NULL; | |
| 43 lastChild = NULL; | |
| 44 } | |
| 45 | |
| 46 | |
| 47 | |
| 48 void Polygon::tree_check() | |
| 49 { | |
| 50 Polygon *t; | |
| 51 t = this; | |
| 52 | |
| 53 while(t) | |
| 54 { | |
| 55 cout << "my_name : " << t->name << endl; | |
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56 if(t->children != NULL) |
| 109 | 57 { |
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58 cout << "--move children : " << t->children->name << endl; |
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59 t = t->children; |
| 109 | 60 } |
| 61 else if(t->brother != NULL) | |
| 62 { | |
| 63 cout << "--move brother : " << t->brother->name << endl; | |
| 64 t = t->brother; | |
| 65 } | |
| 66 else | |
| 67 { | |
| 68 while(t) | |
| 69 { | |
| 70 if(t->brother != NULL) | |
| 71 { | |
| 72 cout << "--move brother : " << t->brother->name << endl; | |
| 73 t = t->brother; | |
| 74 break; | |
| 75 } | |
| 76 else | |
| 77 { | |
| 78 if(t->parent) | |
| 79 { | |
| 80 cout << "--move parent : " << t->parent->name << endl; | |
| 81 } | |
| 82 t = t->parent; | |
| 83 } | |
| 84 } | |
| 85 } | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 void Polygon::print_member() | |
| 90 { | |
| 91 //int n; | |
| 92 | |
| 93 cout << "size = " << size << endl; | |
| 94 cout << "name = " << name << endl; | |
| 95 cout << "parent_name = " << parent_name << endl; | |
| 96 /* | |
| 97 for(n=0; n<size*3; n+=3) | |
| 98 { | |
| 99 cout<<"coordinate = "<<data[n]<<" "<<data[n+1]<<" "<< data[n+2]<<endl; | |
| 100 } | |
| 101 */ | |
| 102 /* | |
| 103 for(n=size*3; n<size*6; n+=3) | |
| 104 { | |
| 105 cout<<"narmal = "<<data[n]<<" "<<data[n+1]<<" "<<data[n+2]<<endl; | |
| 106 } | |
| 107 */ | |
| 108 cout<<"c_xyz = "<<c_xyz[0]<<" "<<c_xyz[1]<<" "<<c_xyz[2]<<endl; | |
| 109 /* | |
| 110 for(n=size*6; n<size*9; n+=3) | |
| 111 { | |
| 112 cout<<"texture = "<<data[n]<<" "<<data[n+1]<<" "<<data[n+2]<<endl; | |
| 113 } | |
| 114 */ | |
| 115 /* | |
| 116 for(n=0; n<size*3; n+=3) | |
| 117 { | |
| 118 cout<<"coordinate = "<<data[n]<<" "<<data[n+1]<<" "<<data[n+2]<<endl; | |
| 119 cout<<"normal = "<<data[n+size*3]<<" "<<data[n+size*3+1]<<" "<<data[n+size*3+2]<<endl; | |
| 120 cout<<"texture = "<<data[n+size*6]<<" "<<1-data[n+size*6+1]<<endl; | |
| 121 } | |
| 122 */ | |
| 123 //cout << "image_name = " << image_name << endl; | |
| 124 if(parent != NULL) | |
| 125 { | |
| 126 cout << "parent->name = " << parent->name << endl; | |
| 127 } | |
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128 if(children != NULL) |
| 109 | 129 { |
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130 cout << "children->name = " << children->name << endl; |
| 109 | 131 } |
| 132 } | |
| 133 | |
| 134 void Polygon::draw(SceneGraphPack *sgp) | |
| 135 { | |
| 136 float xyz1[4],xyz2[4],xyz3[4]; | |
| 137 | |
| 138 /***SceneGraphUpdate***/ | |
| 139 //sgp_update(); | |
| 140 for (int i = 0; i < sgp->info.size; i++) { | |
| 141 SceneGraphNode node = sgp->node[i]; | |
| 142 | |
| 143 /***draw***/ | |
| 144 int n,nt; | |
| 145 for(n=0,nt=0; n<node.size*3; n+=9,nt+=6) { | |
| 146 xyz1[0] = node.vertex[n]; | |
| 147 xyz1[1] = node.vertex[n+1]; | |
| 148 xyz1[2] = node.vertex[n+2]*-1; | |
| 149 xyz1[3] = 1; | |
| 150 xyz2[0] = node.vertex[n+3]; | |
| 151 xyz2[1] = node.vertex[n+3+1]; | |
| 152 xyz2[2] = node.vertex[n+3+2]*-1; | |
| 153 xyz2[3] = 1; | |
| 154 xyz3[0] = node.vertex[n+6]; | |
| 155 xyz3[1] = node.vertex[n+6+1]; | |
| 156 xyz3[2] = node.vertex[n+6+2]*-1; | |
| 157 xyz3[3] = 1; | |
| 158 | |
| 159 rotate(xyz1, node.translation); | |
| 160 rotate(xyz2, node.translation); | |
| 161 rotate(xyz3, node.translation); | |
| 162 | |
| 163 Vertex *ver1 = new Vertex(xyz1[0],xyz1[1],xyz1[2],node.texture[nt],node.texture[nt+1]); | |
| 164 Vertex *ver2 = new Vertex(xyz2[0],xyz2[1],xyz2[2],node.texture[nt+2],node.texture[nt+2+1]); | |
| 165 Vertex *ver3 = new Vertex(xyz3[0],xyz3[1],xyz3[2],node.texture[nt+4],node.texture[nt+4+1]); | |
| 166 | |
| 167 Triangle *tri = new Triangle(ver1,ver2,ver3); | |
| 168 Span_c *span = new Span_c(); | |
| 169 span->viewer = viewer; | |
| 170 span->p = this; | |
| 171 span->create_span(tri,texture_image); | |
| 172 delete ver1; | |
| 173 delete ver2; | |
| 174 delete ver3; | |
| 175 delete tri; | |
| 176 delete span; | |
| 177 } | |
| 178 } | |
| 179 } | |
| 180 | |
| 181 | |
| 182 void Polygon::draw(PolygonPack *pp) | |
| 183 { | |
| 184 for(int n=0; n<pp->info.size; n++) | |
| 185 { | |
| 186 Vertex *ver1 = new Vertex(pp->tri[n].ver1.x,pp->tri[n].ver1.y,pp->tri[n].ver1.z,pp->tri[n].ver1.tex_x,pp->tri[n].ver1.tex_y); | |
| 187 Vertex *ver2 = new Vertex(pp->tri[n].ver2.x,pp->tri[n].ver2.y,pp->tri[n].ver2.z,pp->tri[n].ver2.tex_x,pp->tri[n].ver2.tex_y); | |
| 188 Vertex *ver3 = new Vertex(pp->tri[n].ver3.x,pp->tri[n].ver3.y,pp->tri[n].ver3.z,pp->tri[n].ver3.tex_x,pp->tri[n].ver3.tex_y); | |
| 189 | |
| 190 Triangle *tri = new Triangle(ver1,ver2,ver3); | |
| 191 Span_c *span = new Span_c(); | |
| 192 span->viewer = viewer; | |
| 193 span->p = this; | |
| 194 span->create_span(tri,texture_image); | |
| 195 delete ver1; | |
| 196 delete ver2; | |
| 197 delete ver3; | |
| 198 delete tri; | |
| 199 delete span; | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 void Polygon::draw(SpanPack *sp) | |
| 204 { | |
| 205 Span *span; | |
| 206 | |
| 207 for (int n = 0; n < sp->info.size; n++) { | |
| 208 span = &sp->span[n]; | |
| 209 | |
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210 //int x = span->x; |
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211 //int y = span->y; |
| 109 | 212 float z = span->start_z; |
| 213 int end = span->length_x; | |
| 214 float zpos = span->end_z; | |
| 215 float tex1 = span->tex_x1; | |
| 216 float tex2 = span->tex_x2; | |
| 217 float tey1 = span->tex_y1; | |
| 218 float tey2 = span->tex_y2; | |
| 219 Uint32 rgb; | |
| 220 int tex_xpos; | |
| 221 int tex_ypos; | |
| 222 int tex_zpos; | |
| 223 float tex_x, tex_y, tex_z; | |
| 224 | |
| 225 if (end == 1) { | |
| 226 tex_xpos = (int)((span->tex_height-1) * tex1); | |
| 227 tex_ypos = (int)((span->tex_width-1) * tey1); | |
| 228 tex_zpos = (int)z; | |
| 229 rgb = get_rgb(tex_xpos, tex_ypos); | |
| 230 //viewer->write_pixel(x, y, zpos, rgb); | |
| 231 } else { | |
| 232 for (int j = 0; j < end; j++) { | |
| 233 tex_x = tex1*(end-1-j)/(end-1) + tex2*j/(end-1); | |
| 234 tex_y = tey1*(end-1-j)/(end-1) + tey2*j/(end-1); | |
| 235 tex_z = z*(end-1-j)/(end-1) + zpos*j/(end-1); | |
| 236 if (tex_x > 1) tex_x = 1; | |
| 237 if (tex_y > 1) tex_y = 1; | |
| 238 tex_xpos = (int)((span->tex_height-1) * tex_x); | |
| 239 tex_ypos = (int)((span->tex_width-1) * tex_y); | |
| 240 rgb = get_rgb(tex_xpos,tex_ypos); | |
| 241 //viewer->write_pixel(j + x, y, tex_z, rgb); | |
| 242 } | |
| 243 } | |
| 244 } | |
| 245 } | |
| 246 | |
| 247 void Polygon::add_next() | |
| 248 { | |
| 249 Polygon *p; | |
| 250 p = new Polygon; | |
| 251 | |
| 252 next = p; | |
| 253 } | |
| 254 | |
| 255 | |
| 256 void Polygon::create_tree() | |
| 257 { | |
| 258 Polygon *list; | |
| 259 Polygon *check_list; | |
| 260 Polygon *p; | |
| 261 Polygon *bros; | |
| 262 | |
| 263 check_list = this; | |
| 264 | |
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265 for (list=this; list; list=list->next) { |
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266 if (xmlStrcmp((xmlChar *)list->parent_name, (xmlChar *)"NULL")) { |
| 109 | 267 p = this; |
| 268 | |
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269 while (p) { |
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270 if (!xmlStrcmp((xmlChar *)p->name,(xmlChar *)list->parent_name)) |
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271 { |
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272 list->parent = p; |
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273 if(p->children == NULL) |
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274 { |
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275 p->children = list; |
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276 } |
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277 else |
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278 { |
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279 bros = p->children; |
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280 while(bros->brother != NULL) |
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281 { |
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282 bros = bros->brother; |
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283 } |
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284 bros->brother = list; |
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285 } |
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286 break; |
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287 } |
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288 p = p->next; |
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289 } |
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290 } |
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291 } |
| 109 | 292 } |
| 293 | |
| 294 void Polygon::pickup_coordinate(char *cont) | |
| 295 { | |
| 296 for(int n=0; n<size*3; n+=3) | |
| 297 { | |
| 298 cont = pickup_float(cont, data+n); | |
| 299 cont = pickup_float(cont, data+n+1); | |
| 300 cont = pickup_float(cont, data+n+2); | |
| 301 | |
| 302 if (cont == NULL) | |
| 303 { | |
| 304 cout << "Analyzing obj data failed coordinate\n"; | |
| 305 } | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 void Polygon::pickup_normal(char *cont) | |
| 310 { | |
| 311 for(int n=size*3;n<size*6;n+=3) | |
| 312 { | |
| 313 cont = pickup_float(cont,data+n); | |
| 314 cont = pickup_float(cont,data+n+1); | |
| 315 cont = pickup_float(cont,data+n+2); | |
| 316 | |
| 317 if (cont == NULL) | |
| 318 { | |
| 319 cout << "Analyzing obj data failed normal\n"; | |
| 320 } | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 void Polygon::pickup_model(char *cont) | |
| 325 { | |
| 326 cont = pickup_float(cont,c_xyz); | |
| 327 cont = pickup_float(cont,c_xyz+1); | |
| 328 cont = pickup_float(cont,c_xyz+2); | |
| 329 | |
| 330 if (cont == NULL) | |
| 331 { | |
| 332 cout << "Analyzing obj data failed model\n"; | |
| 333 } | |
| 334 } | |
| 335 | |
| 336 void Polygon::pickup_texture(char *cont) | |
| 337 { | |
| 338 for(int n=size*6; n<size*9; n+=3) | |
| 339 { | |
| 340 cont = pickup_float(cont,data+n); | |
| 341 cont = pickup_float(cont,data+n+1); | |
| 342 data[n+2] = 1.0; | |
| 343 | |
| 344 if (cont == NULL) | |
| 345 { | |
| 346 cout << "Analyzing obj data failed texture\n"; | |
| 347 } | |
| 348 } | |
| 349 } | |
| 350 | |
| 351 char *get_pixel(int tx, int ty, SDL_Surface *texture_image) | |
| 352 { | |
| 353 return (char*)texture_image->pixels+(texture_image->format->BytesPerPixel*((texture_image->w)*ty+tx)); | |
| 354 } | |
| 355 | |
| 356 unsigned my_ntohl(unsigned u) { | |
| 357 // rr gg bb 00 | |
| 358 // rr | |
| 359 // bb gg rr | |
| 360 //unsigned u1 = ((u&0xff)<<24) + | |
| 361 // ((u&0xff00)<<8) + | |
| 362 // ((u&0xff0000)>>8) + | |
| 363 // ((u&0xff000000)>>24); | |
| 364 unsigned u1; | |
| 365 unsigned b = (u&0xff000000)>>24; | |
| 366 unsigned g = (u&0xff0000)>>16; | |
| 367 unsigned r = (u&0xff00)>>8; | |
| 368 u1 = r + (g<<8) + (b<<16); | |
| 369 //printf("pixel %x->%x\n",u,u1); | |
| 370 return u1; | |
| 371 } | |
| 372 | |
| 373 Uint32 Polygon::get_rgb(int tx, int ty) | |
| 374 { | |
| 375 SDL_PixelFormat *fmt; | |
| 376 //Uint32 temp, pixel; | |
| 377 Uint8 red, green, blue; | |
| 378 | |
| 379 fmt = texture_image->format; | |
| 380 | |
| 381 if (tx<0) tx = 0; | |
| 382 if (texture_image->w-1< tx) tx = texture_image->w-1 ; | |
| 383 if (ty<0) ty = 0; | |
| 384 if (texture_image->h-1< ty) ty = texture_image->h-1 ; | |
| 385 | |
| 386 | |
| 387 | |
| 388 //SDL_LockSurface(texture_image); | |
| 389 char *p = get_pixel(tx,ty,texture_image); | |
| 390 #if 0 | |
| 391 pixel = my_ntohl(*(Uint32*)p); | |
| 392 //printf("pixel = %d\n", pixel); | |
| 393 //printf("pixel %x bpp = %d ",p, fmt->BytesPerPixel); | |
| 394 //SDL_UnlockSurface(texture_image); | |
| 395 | |
| 396 temp = pixel&fmt->Rmask; | |
| 397 temp = temp>>fmt->Rshift; | |
| 398 temp = temp<<fmt->Rloss; | |
| 399 red = (Uint8)temp; | |
| 400 | |
| 401 temp = pixel&fmt->Gmask; | |
| 402 temp = temp>>fmt->Gshift; | |
| 403 temp = temp<<fmt->Gloss; | |
| 404 green = (Uint8)temp; | |
| 405 | |
| 406 temp = pixel&fmt->Bmask; | |
| 407 temp = temp>>fmt->Bshift; | |
| 408 temp = temp<<fmt->Bloss; | |
| 409 blue = (Uint8)temp; | |
| 410 #endif | |
| 411 blue = (Uint8) p[0]; | |
| 412 green = (Uint8) p[1]; | |
| 413 red = (Uint8) p[2]; | |
| 414 | |
| 415 //printf("tx = %d ty = %d ", tx,ty); | |
| 416 //printf("pixel color => R: %d, G: %d, B: %d\n", red, green, blue); | |
| 417 | |
| 418 SDL_PixelFormat *pf; | |
| 419 //pf = viewer->screen->format; | |
| 420 | |
| 421 //cout << SDL_MapRGB(pf, red, green, blue) << endl; | |
| 422 return SDL_MapRGB(pf, red, green, blue); | |
| 423 } | |
| 424 | |
| 425 | |
| 426 /* | |
| 427 * surface nodeからポリゴンの情報を読み出す 再帰しない | |
| 428 */ | |
| 429 void Polygon::get_data(xmlNodePtr cur) | |
| 430 { | |
| 431 char *cont; | |
| 432 //char *image_name; | |
| 433 | |
| 434 for(;cur;cur=cur->next) | |
| 435 { | |
| 436 if(!xmlStrcmp(cur->name,(xmlChar*)"coordinate")) | |
| 437 { | |
| 438 cont = (char *)xmlNodeGetContent(cur); | |
| 439 pickup_coordinate(cont); | |
| 440 } | |
| 441 else if(!xmlStrcmp(cur->name,(xmlChar*)"normal")) | |
| 442 { | |
| 443 cont = (char *)xmlNodeGetContent(cur); | |
| 444 pickup_normal(cont); | |
| 445 } | |
| 446 else if(!xmlStrcmp(cur->name,(xmlChar*)"model")) | |
| 447 { | |
| 448 cont = (char *)xmlNodeGetContent(cur); | |
| 449 pickup_model(cont); | |
| 450 } | |
| 451 else if(!xmlStrcmp(cur->name,(xmlChar*)"texture")) | |
| 452 { | |
| 453 cont = (char *)xmlNodeGetContent(cur); | |
| 454 pickup_texture(cont); | |
| 455 } | |
| 456 else if(!xmlStrcmp(cur->name,(xmlChar*)"image")) | |
| 457 { | |
| 458 char image_name[20] = "/tmp/image_XXXXXX"; | |
| 459 int fd = mkstemp(image_name); | |
| 460 FILE *outfile = fdopen(fd, "wb"); | |
| 461 if(NULL == outfile) | |
| 462 { | |
| 463 cout << "error open file\n"; | |
| 464 } | |
| 465 cont = (char *)xmlNodeGetContent(cur); | |
| 466 //decode(cont, image_name); | |
| 467 decode(cont, outfile); | |
| 468 fclose(outfile); | |
| 469 | |
| 470 texture_image = IMG_Load(image_name); | |
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471 |
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472 /** |
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473 * image を 32bit(RGBA) に変換する |
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474 */ |
| 120 | 475 SDL_Surface *tmpImage |
| 476 = SDL_CreateRGBSurface(SDL_HWSURFACE, texture_image->w, | |
| 477 texture_image->h, 32, | |
| 478 redMask, greenMask, blueMask, alphaMask); | |
| 479 SDL_Surface *converted; | |
| 480 converted = SDL_ConvertSurface(texture_image, | |
| 481 tmpImage->format, SDL_HWSURFACE); | |
| 482 if( converted != NULL){ | |
| 483 SDL_FreeSurface(texture_image); | |
| 484 texture_image = converted; | |
| 485 } | |
| 109 | 486 |
| 487 //load_texture(image_name); | |
| 488 if(unlink(image_name)) | |
| 489 { | |
| 490 cout << "unlink error\n"; | |
| 491 } | |
| 492 } | |
| 493 } | |
| 494 } | |
| 495 | |
| 496 | |
| 497 /* | |
| 498 * ノードを受け取って、そこからポリゴンを生成 | |
| 499 * リークしてない? data上書きしちゃだめ | |
| 500 */ | |
| 501 void Polygon::create_data(xmlNodePtr cur) | |
| 502 { | |
| 503 char *p = (char *)xmlGetProp(cur,(xmlChar *)"size"); | |
| 504 //error 出力？ | |
| 505 | |
| 506 #ifndef _DEBUG | |
| 507 if(strlen(p)>8){ | |
| 508 __debug("Polygon size is too large.\n"); | |
| 509 exit(1); | |
| 510 } | |
| 511 #endif | |
| 512 | |
| 513 size = atoi((char *)xmlGetProp(cur,(xmlChar *)"size")); | |
| 514 name = (char *)xmlGetProp(cur,(xmlChar *)"name"); | |
| 515 parent_name = (char *)xmlGetProp(cur,(xmlChar *)"parent"); | |
| 516 next = NULL; | |
| 517 | |
| 518 data = new float[size*3*3]; | |
| 519 | |
| 520 get_data(cur->children); | |
| 521 } | |
| 522 | |
| 523 /* | |
| 524 * xmlをオープンして、Surfaceノードからポリゴンを作る | |
| 525 * | |
| 526 */ | |
| 527 void Polygon::set_data(char *file_name) | |
| 528 { | |
| 529 xmlDocPtr doc; | |
| 530 xmlNodePtr cur; | |
| 531 Polygon *tmp; | |
| 532 | |
| 533 doc = xmlParseFile(file_name); | |
| 534 | |
| 535 cur = xmlDocGetRootElement(doc); | |
| 536 | |
| 537 xmlStrcmp(cur->name,(xmlChar*)"OBJECT-3D"); | |
| 538 | |
| 539 tmp = this; | |
| 540 | |
| 541 for (cur=cur->children; cur; cur=cur->next) | |
| 542 { | |
| 543 if (!xmlStrcmp(cur->name,(xmlChar*)"surface")) | |
| 544 { | |
| 545 tmp->create_data(cur); | |
| 546 if(cur->next->next) | |
| 547 { | |
| 548 tmp->add_next(); | |
| 549 tmp = tmp->next; | |
| 550 } | |
| 551 } | |
| 552 } | |
| 553 | |
| 554 create_tree(); | |
| 555 //tree_check(); | |
| 556 //create_scene_graph_pack(); | |
| 557 | |
| 558 xmlFreeDoc(doc); | |
| 559 | |
| 560 /* | |
| 561 for(int s=0; s<sgp->info.size; s++) | |
| 562 { | |
| 563 printf("sgp->node[%d].pn = %d\n",s,sgp->node[s].pn); | |
| 564 } | |
| 565 */ | |
| 566 //delete sgp; | |
| 567 } | |
| 568 | |
| 569 void Polygon::delete_data() | |
| 570 { | |
| 571 Polygon *n,*m; | |
| 572 | |
| 573 n = this; | |
| 574 delete [] n->data; | |
| 575 | |
| 576 if(next) | |
| 577 { | |
| 578 for(n = this->next; n; n=m) | |
| 579 { | |
| 580 m = n->next; | |
| 581 delete [] n->data; | |
| 582 delete n; | |
| 583 } | |
| 584 } | |
| 585 } | |
| 586 | |
| 587 | |
| 588 | |
| 589 /* construct polygon from xml. */ | |
| 590 /* | |
| 591 Polygon::Polygon(char *xmlfile) | |
| 592 { | |
| 593 Polygon(); | |
| 594 xmlDocPtr doc; | |
| 595 xmlNodePtr cur; | |
| 596 Polygon *tmp; | |
| 597 | |
| 598 doc = xmlParseFile(file_name); | |
| 599 | |
| 600 cur = xmlDocGetRootElement(doc); | |
| 601 | |
| 602 xmlStrcmp(cur->name,(xmlChar*)"OBJECT-3D"); | |
| 603 | |
| 604 tmp = this; | |
| 605 | |
| 606 for (cur=cur->children; cur; cur=cur->next) | |
| 607 { | |
| 608 if ( xmlStrcmp(cur->name,(xmlChar*)"surface")!=0 ) | |
| 609 continue; | |
| 610 | |
| 611 if ( xmlStrcmp(cur->parent )) | |
| 612 tmp->create_data(cur); | |
| 613 if(cur->next->next) | |
| 614 { | |
| 615 tmp->add_next(); | |
| 616 tmp = tmp->next; | |
| 617 } | |
| 618 } | |
| 619 | |
| 620 create_tree(); | |
| 621 //tree_check(); | |
| 622 //create_scene_graph_pack(); | |
| 623 | |
| 624 xmlFreeDoc(doc); | |
| 625 } | |
| 626 */ | |
| 627 | |
| 628 /* construct polygon from xmlNode. */ | |
| 629 Polygon::Polygon(xmlNodePtr surface) | |
| 630 { | |
| 631 #if 1 | |
| 632 xyz[0] = 0; | |
| 633 xyz[1] = 0; | |
| 634 xyz[2] = 0; | |
| 635 xyz[3] = 1; | |
| 636 c_xyz[0] = 0; | |
| 637 c_xyz[1] = 0; | |
| 638 c_xyz[2] = 0; | |
| 639 c_xyz[3] = 1; | |
| 640 angle[0] = 0; | |
| 641 angle[1] = 0; | |
| 642 angle[2] = 0; | |
| 643 angle[3] = 1; | |
| 644 next = NULL; | |
| 645 parent = NULL; | |
| 646 brother = NULL; | |
| 647 children = NULL; | |
| 648 lastChild = NULL; | |
| 649 #else | |
| 650 /* これ使うにはどうすればいいの? */ | |
| 651 this->Polygon(); | |
| 652 #endif | |
| 653 size = atoi((char *)xmlGetProp(surface,(xmlChar *)"size")); | |
| 654 name = (char *)xmlGetProp(surface,(xmlChar *)"name"); | |
| 655 parent_name = (char *)xmlGetProp(surface,(xmlChar *)"parent"); | |
| 656 next = NULL; | |
| 657 | |
| 658 data = new float[size*3*3]; | |
| 659 | |
| 660 get_data(surface->children); | |
| 661 } | |
| 662 | |
| 663 /* XMLファイルからポリゴンを作成 */ | |
| 664 Polygon *Polygon::createFromXMLfile(char *xmlfile) | |
| 665 { | |
| 666 xmlDocPtr doc; | |
| 667 xmlNodePtr cur; | |
| 668 Polygon *root=NULL, *tmp, *parent; | |
| 669 | |
| 670 /* パース DOM生成 */ | |
| 671 doc = xmlParseFile(xmlfile); | |
| 672 cur = xmlDocGetRootElement(doc); | |
| 673 | |
| 674 /* ?? */ | |
| 675 xmlStrcmp(cur->name,(xmlChar*)"OBJECT-3D"); | |
| 676 | |
| 677 /* XMLのノードを一つずつ解析 */ | |
| 678 for (cur=cur->children; cur; cur=cur->next) | |
| 679 { | |
| 680 /* 扱うのはsurfaceオンリー */ | |
| 681 if ( xmlStrcmp(cur->name,(xmlChar*)"surface")!=0 ) | |
| 682 continue; | |
| 683 | |
| 684 /* ポリゴン生成 */ | |
| 685 tmp = new Polygon(cur); | |
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686 if ( tmp->parent_name==NULL || 0==strcmp(tmp->parent_name, "NULL")) { |
| 109 | 687 /* このsurfaceがroot */ |
| 688 root = tmp; | |
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689 } else { |
| 109 | 690 /* 親はこのsurfaceより前に定義されているものとする (していい?) */ |
| 691 // ここで parent_name を用いるのは間違っていて、 | |
| 692 // *cur->properties->children から探すべきらしい kono | |
| 693 parent = root->searchPolygon(tmp->parent_name); | |
| 694 if (parent==NULL) { | |
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695 fprintf(stderr, "[%s] No such parent %s\n", |
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696 tmp->name, tmp->parent_name); |
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697 root->addChild(tmp); |
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698 } else { |
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699 parent->addChild(tmp); |
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700 } |
| 109 | 701 } |
| 702 } | |
| 703 | |
| 704 xmlFreeDoc(doc); | |
| 705 return root; | |
| 706 } | |
| 707 | |
| 708 /* 子供を追加 */ | |
| 709 Polygon *Polygon::addChild(Polygon *child) | |
| 710 { | |
| 711 Polygon *tmp; | |
| 712 | |
| 713 /* childrenのリストの最後に加える */ | |
| 714 if (this->lastChild != NULL) { | |
| 715 tmp = this->lastChild; | |
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716 tmp->children = child; |
| 109 | 717 } |
| 718 | |
| 719 this->lastChild = child; | |
| 720 | |
| 721 if (this->children == NULL) { | |
| 722 this->children = child; | |
| 723 } | |
| 724 | |
| 725 return child; | |
| 726 } | |
| 727 | |
| 728 /* thisの子や子孫にnameのものが存在すればそいつを返す なければNULL. */ | |
| 729 Polygon *Polygon::searchPolygon(char *name) | |
| 730 { | |
| 731 Polygon *tmp, *result; | |
| 732 | |
| 733 /* 本人か */ | |
| 734 if( 0==strcmp(this->name, name) ) return this; | |
| 735 | |
| 736 /* 子供から再帰的に探す */ | |
| 737 for( tmp=this->children; tmp; tmp=tmp->next ) | |
| 738 { | |
| 739 if( (result=tmp->searchPolygon(name))!=NULL ) | |
| 740 return result; | |
| 741 } | |
| 742 | |
| 743 /* 無かったら NULL. */ | |
| 744 return NULL; | |
| 745 } | |
| 746 |