Changeset 6270 in orxonox.OLD for branches/height_map/src/lib/graphics
- Timestamp:
- Dec 23, 2005, 11:55:53 AM (19 years ago)
- File:
-
- 1 edited
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branches/height_map/src/lib/graphics/importer/height_map.cc
r6268 r6270 137 137 //red_mat->specularTexture = NULL; 138 138 139 if( colour_map_name != NULL)139 if(false /*colour_map_name != NULL*/) 140 140 { 141 141 colourMap = IMG_Load(colour_map_name); … … 154 154 else PRINTF(4)("oops! couldn't load %s for some reason.\n", colour_map_name); 155 155 156 const char* texture_name = "pictures/ground 1.tga";156 const char* texture_name = "pictures/ground.tga"; 157 157 tmp_mat->setDiffuseMap(texture_name); 158 158 if(colourMap != NULL) 159 159 { 160 colours = (unsigned char *) colourMap->pixels;161 hasColourMap = true;160 //colours = (unsigned char *) colourMap->pixels; 161 hasColourMap = false; 162 162 } 163 163 else … … 186 186 { 187 187 188 this->camera = State::getCamera(); 189 this->camCoords = this->camera->getAbsCoor(); 190 float x = this->camCoords.x + 300; 191 float y = this->camCoords.z + 100; 188 192 189 193 190 tmp_mat->select(); … … 203 200 204 201 205 /*202 206 203 if(heightMap != NULL && heightMap->format->BitsPerPixel == 8 ) 207 {}204 208 205 SDL_LockSurface(heightMap); 209 206 … … 222 219 for(int j = 0 ; j < heightMap->w -sampleRate ; j += sampleRate) 223 220 { 224 if( true)221 if(false) 225 222 { 226 223 float r = (float)colours[3*j+2 + 3*i*(heightMap->w )]; … … 238 235 } 239 236 } 240 237 238 this->addVertex(scaleX*(heightMap->h -i),(double)((double)(height)*scaleY),scaleZ*(j+sampleRate)); // Top Right 241 239 242 240 height = heights[j+sampleRate + i*(heightMap->w )]; 243 this->addNormal(normalVectorField[i][j+sampleRate].y,normalVectorField[i][j+sampleRate].z,normalVectorField[i][j+ 2].x);241 this->addNormal(normalVectorField[i][j+sampleRate].y,normalVectorField[i][j+sampleRate].z,normalVectorField[i][j+sampleRate].x); 244 242 this->addTexCoor(((j/sampleRate)%4)/4.0,((i/sampleRate)%4)/4.0); 245 243 246 this->addVertex(scaleX*(heightMap->h -i),(double)((double)(height)*scaleY),scaleZ*(j+sampleRate)); // Top Right 247 244 this->addColor(0.5,0.5,0.5); 248 245 249 246 250 247 } 251 252 253 254 255 256 248 249 j = (heightMap->w/sampleRate); 250 251 this->addVertex(scaleX*(heightMap->h -i),(double)(double)(-1000),scaleZ*(j+sampleRate)); // Top Right 252 253 height = heights[j+sampleRate + i*(heightMap->w )]; 254 this->addNormal(normalVectorField[i][j+sampleRate].y,normalVectorField[i][j+sampleRate].z,normalVectorField[i][j+sampleRate].x); 255 this->addTexCoor(((j/sampleRate)%4)/4.0,((i/sampleRate)%4)/4.0); 256 257 this->addColor(0.5,0.5,0.5); 258 259 257 260 258 261 … … 271 274 for(int j = 0 ; j < heightMap->w -sampleRate ; j += sampleRate) 272 275 { 273 276 274 277 this->addIndice(cnt); 278 this->addIndice(cnt+1 + (heightMap->w-sampleRate)/ sampleRate ); 275 279 cnt ++; 276 280 } 277 if(i%2 == 1)278 {279 280 }281 } 282 283 284 285 286 */287 288 this->planeModel(10,10, 10,10);281 cnt++; 282 283 this->newStripe(); 284 285 } 286 287 288 289 290 291 292 //this->planeModel(100,100, 100,100); 289 293 290 294 this->finalize(); … … 293 297 } 294 298 295 /* 296 void HeightMap::draw() 297 { 298 299 this->camera = State::getCamera(); 300 this->camCoords = this->camera->getAbsCoor(); 301 float x = this->camCoords.x + 300; 302 float y = this->camCoords.z + 100; 303 304 // Draw a red rectangle to test getHeight 305 306 red_mat->select(); 307 glBegin(GL_TRIANGLE_STRIP); 308 glNormal3f(0,1,0); 309 glTexCoord2d(1.0,0.0); 310 glVertex3f(x-10,getHeight(x-10,y+10)+5.0f ,y+10); // Top Left 311 312 313 glNormal3f(0,1,0); 314 glTexCoord2d(1.0,1.0); 315 glVertex3f(x+10,getHeight(x+10,y+10)+5.0f ,y+10); // Top Left 316 317 318 glNormal3f(0,1,0); 319 glTexCoord2d(0.0,0.0); 320 glVertex3f(x-10,getHeight(x-10,y-10)+5.0f ,y-10); // Top Left 321 322 323 glNormal3f(0,1,0); 324 glTexCoord2d(0.0,1.0); 325 glVertex3f(x+10,getHeight(x+10,y-10)+5.0f ,y-10); // Top Left 326 327 glEnd(); 328 329 tmp_mat->select(); 330 331 unsigned char height = 0; 332 int offset = 0; 333 int g = 0; 334 float old_r = 0.0f; 335 float old_g = 0.0f; 336 float old_b = 0.0f; 337 heights = (unsigned char*) heightMap->pixels; 338 339 bool colourChanged = true; 340 341 if(heightMap != NULL && heightMap->format->BitsPerPixel == 8 ) 342 { 343 SDL_LockSurface(heightMap); 344 345 glBegin(GL_TRIANGLE_STRIP); 346 for(int i = 0 ; i < heightMap->h -sampleRate ; i +=sampleRate) 347 { 348 349 350 351 352 int j = 0; 353 354 /* 355 height = heights[j + i*(heightMap->w )]; 356 glNormal3f(normalVectorField[i][j].y,normalVectorField[i][j].z,normalVectorField[i][j].x); 357 glVertex3f(20*(heightMap->h -(i))-1000,(double)((double)(height)/1-300),20*(j)-1000); // Top Left 358 359 height = heights[j + (i+2)*(heightMap->w )]; 360 glNormal3f(normalVectorField[i+2][j].y,normalVectorField[i+2][j].z,normalVectorField[i+2][j].x); 361 glVertex3f(20*(heightMap->h -(i+2))-1000,(double)((double)(height)/1-300),20*(j)-1000); // Bottom Left 362 363 */ 364 /* 365 for(int j = 0 ; j < heightMap->w -sampleRate ; j += sampleRate) 366 { 367 if(hasColourMap) 368 { 369 float r = (float)colours[3*j+2 + 3*i*(heightMap->w )]; 370 float g = (float)colours[3*j+1 + 3*i*(heightMap->w)]; 371 float b = (float)colours[3*j+0 + 3*i*(heightMap->w)]; 372 colourChanged = old_r != r || old_g != g || old_b != b; 373 old_r = r; 374 old_g = g; 375 old_b = b; 376 if(colourChanged) 377 { 378 tmp_mat->setAmbient(r/255.0,g/255.0,b/255.0); 379 tmp_mat->setDiffuse(r/255.0,g/255.0,b/255.0); 380 tmp_mat->select(); 381 } 382 } 383 */ 384 //if(true/*(abs(-scaleX*i-x+5000) > 1100 || abs(scaleZ*j-y-2000) > 1100 )*/){ //subdivide?? 385 /* 386 height = heights[j+sampleRate + i*(heightMap->w )]; 387 glNormal3f(normalVectorField[i][j+sampleRate].y,normalVectorField[i][j+sampleRate].z,normalVectorField[i][j+2].x); 388 glTexCoord2f(((j/sampleRate)%4)/4.0,((i/sampleRate)%4)/4.0); 389 390 glVertex3f(scaleX*(heightMap->h -i),(double)((double)(height)*scaleY),scaleZ*(j+sampleRate)); // Top Right 391 392 height = heights[j+sampleRate + (i+sampleRate)*(heightMap->w )]; 393 glNormal3f(normalVectorField[i+sampleRate][j+sampleRate].y,normalVectorField[i+sampleRate][j+sampleRate].z,normalVectorField[i+sampleRate][j+sampleRate].x); 394 glTexCoord2f(((j/sampleRate)%4)/4.0,1/4.0+((i/sampleRate)%4)/4.0); 395 //glTexCoord2f(0.0,0.0); 396 glVertex3f(scaleX*(heightMap->h -(i+sampleRate)),(double)((double)(height)*scaleY),scaleZ*(j+sampleRate)); // Bottom Right 397 398 } 399 else 400 { 401 //red_mat->select(); 402 //glEnd(); 403 404 405 406 glBegin(GL_TRIANGLE_STRIP); 407 408 drawRect(j,i+sampleRate/2,j+sampleRate/2,i); 409 glEnd(); 410 glBegin(GL_TRIANGLE_STRIP); 411 412 413 drawRect(j+sampleRate/2,i+sampleRate/2,j+sampleRate,i); 414 glEnd(); 415 glBegin(GL_TRIANGLE_STRIP); 416 417 418 drawRect(j,i+sampleRate,j+sampleRate/2,i+sampleRate/2); 419 glEnd(); 420 glBegin(GL_TRIANGLE_STRIP); 421 drawRect(j+sampleRate/2,i+sampleRate,j+sampleRate,i+sampleRate/2); 422 423 glEnd(); 424 425 426 427 428 429 //subdivide 430 } 431 432 433 } 434 j = heightMap->w -sampleRate; 435 436 437 glNormal3f(normalVectorField[i+sampleRate][j+sampleRate].y,normalVectorField[i+sampleRate][j+sampleRate].z,normalVectorField[i+sampleRate][j+sampleRate].x); 438 //glTexCoord2f(((j/sampleRate)%4)/4.0,1/4.0+((i/sampleRate)%4)/4.0); 439 //glTexCoord2f(0.0,0.0); 440 glTexCoord2f(((j/sampleRate)%4)/4.0,((i/sampleRate)%4)/4.0); 441 glVertex3f(scaleX*(heightMap->h -i),(double)((double)-1000.0),scaleZ*(j+sampleRate)); // Top Right 442 443 glNormal3f(normalVectorField[i+sampleRate][j+sampleRate].y,normalVectorField[i+sampleRate][j+sampleRate].z,normalVectorField[i+sampleRate][j+sampleRate].x); 444 glTexCoord2f(((j/sampleRate)%4)/4.0,1/4.0+((i/sampleRate)%4)/4.0); 445 446 glVertex3f(scaleX*(heightMap->h -(i+sampleRate)),(double)-1000.0,scaleZ*(j+sampleRate)); // Bottom Right 447 448 449 450 451 452 //glEnd(); 453 454 } 455 SDL_UnlockSurface(heightMap); 456 glEnd(); 457 } 458 459 } 460 */ 299 300 301 461 302 void HeightMap::generateNormalVectorField() 462 303 {
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