Mercurial > hg > dmlib
annotate tests/efu.c @ 958:985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Fri, 27 Feb 2015 03:58:25 +0200 |
| parents | fface5a23b2a |
| children | 5be4e2eec84f |
| rev | line source |
|---|---|
| 0 | 1 #include "dmlib.h" |
| 2 #include "dmargs.h" | |
| 3 #include "dmvecmat.h" | |
|
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Fix "efu" test, use dmImage instead of SDL_image.
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4 #include "dmimage.h" |
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Do include "dmtext.h" where necessary.
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5 #include "dmtext.h" |
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6 #include "dmperlin.h" |
| 0 | 7 #include <math.h> |
| 8 | |
| 9 #define DM_COLORS (256) | |
| 10 | |
| 11 char *optFontFile = "font.ttf", | |
|
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Fix "efu" test, use dmImage instead of SDL_image.
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12 *optBitmapFilename = "tnsp.png"; |
| 0 | 13 BOOL optBenchmark = FALSE; |
| 14 int optVFlags = SDL_SWSURFACE | SDL_HWPALETTE; | |
| 15 int optScrWidth = 640, optScrHeight = 480, optFontSize = 20, optScrDepth = 32; | |
| 16 int optBenchmarkLen = 20; | |
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Link to -lm and fix to match changes in dmperlin.
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17 DMPerlinContext perlinCtx; |
| 0 | 18 |
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19 static const DMOptArg optList[] = |
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20 { |
| 0 | 21 { 0, '?', "help", "Show this help", OPT_NONE }, |
| 22 { 2, 'v', "verbose", "Be more verbose", OPT_NONE }, | |
| 23 { 3, 'f', "full", "Fullscreen", OPT_NONE }, | |
| 24 { 4, 'h', "hw", "Use SDL hardware surface", OPT_NONE }, | |
| 25 { 5, 's', "size", "Initial window size/resolution -s 640x480", OPT_ARGREQ }, | |
| 26 { 6, 'd', "depth", "Color depth of mode/window in bits (8/15/16/32)", OPT_ARGREQ }, | |
| 27 { 7, 'b', "bench", "Run in benchmark mode", OPT_NONE }, | |
| 28 }; | |
| 29 | |
| 30 const int optListN = sizeof(optList) / sizeof(optList[0]); | |
| 31 | |
| 32 | |
| 33 void argShowHelp() | |
| 34 { | |
|
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35 dmArgsPrintHelp(stdout, optList, optListN, 0); |
| 0 | 36 } |
| 37 | |
| 38 | |
| 39 BOOL argHandleOpt(const int optN, char *optArg, char *currArg) | |
| 40 { | |
| 41 switch (optN) { | |
| 42 case 0: | |
| 43 argShowHelp(); | |
| 44 exit(0); | |
| 45 break; | |
| 46 | |
| 47 case 2: | |
| 48 dmVerbosity++; | |
| 49 break; | |
| 50 | |
| 51 case 3: | |
| 52 optVFlags |= SDL_FULLSCREEN; | |
| 53 break; | |
| 54 | |
| 55 case 6: | |
| 56 if (optArg) | |
| 57 optScrDepth = atoi(optArg); | |
| 58 break; | |
| 59 | |
| 60 case 5: | |
| 61 { | |
| 62 int w, h; | |
| 63 if (sscanf(optArg, "%dx%d", &w, &h) == 2) | |
| 64 { | |
| 65 if (w < 320 || h < 200 || w > 3200 || h > 3200) | |
| 66 { | |
|
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Add error code parameter to dmError() and dmErrorVA().
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67 dmErrorMsg("Invalid width or height: %d x %d\n", w, h); |
| 0 | 68 return FALSE; |
| 69 } | |
| 70 optScrWidth = w; | |
| 71 optScrHeight = h; | |
| 72 } | |
| 73 else | |
| 74 { | |
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Add error code parameter to dmError() and dmErrorVA().
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75 dmErrorMsg("Invalid size argument '%s'.\n", optArg); |
| 0 | 76 return FALSE; |
| 77 } | |
| 78 } | |
| 79 break; | |
| 80 | |
| 81 case 7: | |
| 82 optBenchmark = TRUE; | |
| 83 break; | |
| 84 | |
| 85 default: | |
|
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Add error code parameter to dmError() and dmErrorVA().
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parents:
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diff
changeset
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86 dmErrorMsg("Unknown option '%s'.\n", currArg); |
| 0 | 87 return FALSE; |
| 88 } | |
| 89 | |
| 90 return TRUE; | |
| 91 } | |
| 92 | |
| 93 | |
| 94 void DM_MakePalette(SDL_Surface *scr) | |
| 95 { | |
| 96 SDL_Color pal[DM_COLORS]; | |
| 97 int n; | |
| 98 | |
| 99 for (n = 0; n < 256; n++) | |
| 100 { | |
| 101 pal[n].r = n; | |
| 102 pal[n].g = n; | |
| 103 pal[n].b = n; | |
| 104 } | |
| 105 | |
| 106 SDL_SetColors(scr, pal, 0, DM_COLORS); | |
| 107 } | |
| 108 | |
| 109 | |
| 110 void DM_PrintRect(FILE *f, SDL_Rect *r) | |
| 111 { | |
| 112 fprintf(f, "SDL_Rect <%d, %d : %d, %d>\n", | |
| 113 r->x, r->y, r->w, r->h); | |
| 114 } | |
| 115 | |
| 116 BOOL DM_InitializeVideo(SDL_Surface **screen) | |
| 117 { | |
| 118 *screen = SDL_SetVideoMode(optScrWidth, optScrHeight, optScrDepth, optVFlags | SDL_RESIZABLE); | |
| 119 if (*screen == NULL) | |
| 120 { | |
|
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Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
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121 dmErrorMsg("Can't SDL_SetVideoMode(): %s\n", SDL_GetError()); |
| 0 | 122 return FALSE; |
| 123 } | |
| 124 | |
| 125 #if 0 | |
| 126 SDL_Rect r; | |
| 127 r.x = -50; | |
| 128 r.y = 50; | |
| 129 r.w = 700; | |
| 130 r.h = 300; | |
| 131 DM_PrintRect(stderr, &r); | |
| 132 SDL_SetClipRect(*screen, &r); | |
| 133 DM_PrintRect(stderr, &r); | |
| 134 DM_PrintRect(stderr, &((*screen)->clip_rect)); | |
| 135 #endif | |
| 136 | |
| 137 return TRUE; | |
| 138 } | |
| 139 | |
| 140 void DM_Random(SDL_Surface *screen, int q) | |
| 141 { | |
| 142 Uint8 *pix = screen->pixels; | |
| 143 int xc, yc; | |
| 144 | |
| 145 for (yc = 0; yc < screen->h; yc++) | |
| 146 { | |
| 147 Uint8 *dp = pix; | |
| 148 | |
| 149 for (xc = 0; xc < screen->w; xc++) | |
| 150 *dp++ = yc + (xc ^ q) + (yc & q); | |
| 151 | |
| 152 pix += screen->pitch; | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 | |
| 157 #define QWIDTH 256 | |
| 158 #define QHEIGHT 160 | |
| 159 | |
| 160 typedef Uint8 DMBlockMap[QHEIGHT][QWIDTH]; | |
| 161 | |
| 162 | |
| 163 void dmMakeBumpMap(DMBlockMap map, DMFloat q, DMFloat m) | |
| 164 { | |
| 165 int x, y; | |
| 166 for (y = 0; y < QHEIGHT; y++) | |
| 167 for (x = 0; x < QWIDTH; x++) | |
| 168 { | |
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fface5a23b2a
Link to -lm and fix to match changes in dmperlin.
Matti Hamalainen <ccr@tnsp.org>
parents:
860
diff
changeset
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169 DMFloat f = 0.40f + dmPerlinNoise2D(&perlinCtx, x, y, 1.1f, q, 2); |
| 116 | 170 map[y][x] = (int) (dmClamp10(f) * m); |
| 0 | 171 } |
| 172 } | |
| 173 | |
| 174 | |
| 175 void dmShadowTraceHeightMap(DMBlockMap lightMap, DMBlockMap pheightMap, DMVector *light) | |
| 176 { | |
| 177 int i, j; | |
| 178 | |
| 179 light->z = 150; | |
| 180 | |
| 181 for (j = 0; j < QHEIGHT; j++) | |
| 182 for (i = 0; i < QWIDTH; i++) | |
| 183 { | |
| 184 DMVector vr, vl, va; | |
| 185 DMFloat vrayLen, vfactor; | |
| 186 int vlen; | |
| 187 BOOL wasHit; | |
| 188 | |
| 189 // Perform shadow occlusion via simplistic raytracing | |
| 190 vr.x = i; | |
| 191 vr.y = j; | |
| 192 vr.z = 200; //light->z; // - 10.0; | |
| 193 | |
| 194 // Calculate light vector vector | |
| 195 dm_vector_sub_r(&vl, &vr, light); | |
| 196 vrayLen = dm_vector_length(&vl); | |
| 197 | |
| 198 #if 1 | |
| 199 dm_vector_copy(&va, &vl); | |
| 200 dm_vector_normalize(&va); | |
| 201 dm_vector_copy(&vr, light); | |
| 202 | |
| 203 vlen = 0; | |
| 204 wasHit = FALSE; | |
| 205 do | |
| 206 { | |
| 207 float h; | |
| 208 | |
| 209 // If ray is inside the heightmap, get value | |
| 210 if (vr.x >= 0 && vr.y >= 0 && vr.x < QWIDTH && vr.y < QHEIGHT) | |
| 211 h = pheightMap[(int) vr.y][(int) vr.x]; | |
| 212 else | |
| 213 break; | |
| 214 | |
| 215 // Check for hits | |
| 216 if (h > vr.z) | |
| 217 wasHit = TRUE; | |
| 218 else | |
| 219 { | |
| 220 // Move forwards | |
| 221 dm_vector_add(&vr, &va); | |
| 222 vlen++; | |
| 223 } | |
| 224 } | |
| 225 while (!wasHit && vlen <= vrayLen); | |
| 226 | |
| 227 // Check if the ray hit something, e.g. is this point occluded? | |
| 228 if (wasHit && vlen < vrayLen) | |
| 229 { | |
| 230 vfactor = vlen * 0.05; | |
| 231 } | |
| 232 else | |
| 233 vfactor = vlen * 0.001; | |
| 234 #endif | |
| 235 | |
| 236 #if 0 | |
| 237 { | |
| 238 /* Calculate light's intensity based on the angle it "hits" | |
| 239 * | |
| 240 * 1) Calculate the vectors that form the imaginary "plane" | |
| 241 * 2) Cross-product -> normal vector of the plane | |
| 242 * 2) Normalize the normal vector | |
| 243 * 3) Calculate light vector's hit angle by dot product | |
| 244 */ | |
| 245 DMVector v1, v2; | |
| 246 DMFloat c; | |
| 247 | |
| 248 v1.x = 2.0f; | |
| 249 v1.y = 0.0f; | |
| 250 v1.z = (DMFloat) (pheightMap[j][i] - pheightMap[j][i + 1]); | |
| 251 | |
| 252 v2.x = 0.0f; | |
| 253 v2.y = 2.0f; | |
| 254 v2.z = (DMFloat) (pheightMap[j][i] - pheightMap[j + 1][i]); | |
| 255 | |
| 256 dm_vector_cross(&vr, &v1, &v2); | |
| 257 dm_vector_normalize(&vr); | |
| 258 dm_vector_normalize(&vl); | |
| 259 c = dm_vector_dot(&vl, &vr); | |
| 260 | |
| 261 vrayLen = 255 - (vrayLen * 0.1) * vrayLen + (c * 128.0f) + (vfactor * vfactor * 1255); | |
| 262 } | |
| 263 #else | |
| 264 vrayLen = 255 - vrayLen * vrayLen * (vfactor * vfactor); | |
| 265 if (vrayLen < 0) vrayLen = 0; | |
| 266 vrayLen -= pheightMap[j][i]; | |
| 267 #endif | |
| 268 | |
| 269 // Clip result | |
| 270 if (vrayLen < 0) | |
| 271 vrayLen = 0; | |
| 272 else if (vrayLen > 255.0f) | |
| 273 vrayLen = 255.0f; | |
| 274 | |
| 275 lightMap[j][i] = vrayLen; | |
| 276 } | |
| 277 } | |
| 278 | |
| 279 | |
| 280 int main(int argc, char *argv[]) | |
| 281 { | |
| 282 SDL_Surface *screen = NULL, *bmap = NULL, *logo = NULL; | |
| 283 TTF_Font *font = NULL; | |
| 284 SDL_Color fontcol={255,155,155,0}; | |
| 285 SDL_Event event; | |
| 739 | 286 int mouseX, mouseY, res; |
|
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Fix "efu" test, use dmImage instead of SDL_image.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
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287 BOOL initSDL = FALSE, initTTF = FALSE, exitFlag, showMap = FALSE; |
| 739 | 288 DMResource *file; |
| 0 | 289 |
| 290 if (!dmArgsProcess(argc, argv, optList, optListN, | |
|
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The argument handling API in dmargs* was synced with th-libs.
Matti Hamalainen <ccr@tnsp.org>
parents:
739
diff
changeset
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291 argHandleOpt, NULL, OPTH_BAILOUT)) |
| 0 | 292 exit(1); |
| 293 | |
| 294 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0) | |
| 295 { | |
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Add error code parameter to dmError() and dmErrorVA().
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parents:
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diff
changeset
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296 dmErrorMsg("Could not initialize SDL: %s\n", SDL_GetError()); |
| 0 | 297 goto error_exit; |
| 298 } | |
| 299 initSDL = TRUE; | |
| 300 | |
| 301 | |
| 302 if (TTF_Init() < 0) | |
| 303 { | |
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Add error code parameter to dmError() and dmErrorVA().
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parents:
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diff
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304 dmErrorMsg("Could not initialize FreeType/TTF: %s\n", SDL_GetError()); |
| 0 | 305 goto error_exit; |
| 306 } | |
| 307 initTTF = TRUE; | |
| 308 | |
| 309 font = TTF_OpenFont(optFontFile, optFontSize); | |
| 310 if (font == NULL) | |
| 311 { | |
|
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Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
891
diff
changeset
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312 dmErrorMsg("Could not load TTF font '%s' (%d): %s\n", |
| 0 | 313 optFontFile, optFontSize, SDL_GetError()); |
| 314 goto error_exit; | |
| 315 } | |
| 316 TTF_SetFontStyle(font, TTF_STYLE_NORMAL); | |
| 317 | |
|
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Fix "efu" test, use dmImage instead of SDL_image.
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318 |
| 739 | 319 if ((res = dmf_create_stdio(optBitmapFilename, "rb", &file)) != DMERR_OK) |
| 0 | 320 { |
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Add error code parameter to dmError() and dmErrorVA().
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parents:
891
diff
changeset
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321 dmErrorMsg("Could not open resource file '%s'.\n", optBitmapFilename); |
| 0 | 322 goto error_exit; |
| 323 } | |
| 739 | 324 logo = dmLoadImage(file); |
| 325 dmf_close(file); | |
| 0 | 326 if (logo == NULL) |
| 327 { | |
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Add error code parameter to dmError() and dmErrorVA().
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parents:
891
diff
changeset
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328 dmErrorMsg("Could not load image file '%s'.\n", optBitmapFilename); |
| 0 | 329 goto error_exit; |
| 330 } | |
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Fix "efu" test, use dmImage instead of SDL_image.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
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331 |
|
d427763f113a
Fix "efu" test, use dmImage instead of SDL_image.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
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332 |
| 0 | 333 if (optBenchmark) |
| 334 { | |
| 335 screen = SDL_CreateRGBSurface(SDL_SWSURFACE, optScrWidth, optScrHeight, optScrDepth, 0, 0, 0, 0); | |
| 336 if (screen == NULL) | |
| 337 { | |
|
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Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
891
diff
changeset
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338 dmErrorMsg("Could not create screen surface.\n"); |
| 0 | 339 goto error_exit; |
| 340 } | |
| 341 | |
| 342 dmMsg(0, "Benchmark mode, not opening window.\n"); | |
| 343 } | |
| 344 else | |
| 345 { | |
| 346 if (!DM_InitializeVideo(&screen)) | |
| 347 goto error_exit; | |
| 348 | |
| 349 SDL_WM_SetCaption("Halleluja", "DMT"); | |
| 350 } | |
| 351 | |
|
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Link to -lm and fix to match changes in dmperlin.
Matti Hamalainen <ccr@tnsp.org>
parents:
860
diff
changeset
|
352 dmPerlinInit(&perlinCtx, 1234); |
| 0 | 353 |
| 354 bmap = SDL_CreateRGBSurface(SDL_SWSURFACE, QWIDTH, QHEIGHT, 8, 0, 0, 0, 0); | |
| 355 DM_MakePalette(bmap); | |
| 356 DM_Random(bmap, 15); | |
| 357 | |
| 358 DMVector light; | |
| 359 DMBlockMap heightMap; | |
| 360 light.x = light.y = 128; | |
| 361 light.z = 128; | |
| 362 dmMakeBumpMap(heightMap, 0.06, 254); | |
| 363 | |
| 364 | |
| 365 | |
| 366 int numFrames = 0, startTime = SDL_GetTicks(), endTime = 0; | |
| 367 exitFlag = FALSE; | |
| 368 | |
| 369 if (optBenchmark) | |
| 370 dmMsg(0, "Starting benchmark, running for %d seconds.\n", optBenchmarkLen); | |
| 371 | |
| 372 while (!exitFlag) | |
| 373 { | |
| 374 if (!optBenchmark) | |
| 375 { | |
| 376 while (SDL_PollEvent(&event)) | |
| 377 switch (event.type) | |
| 378 { | |
| 379 case SDL_KEYDOWN: | |
| 380 switch (event.key.keysym.sym) | |
| 381 { | |
| 382 case SDLK_ESCAPE: exitFlag = TRUE; break; | |
| 383 | |
| 384 case SDLK_F1: | |
| 385 DM_Random(bmap, (SDL_GetTicks() / 10) % 1000); | |
| 386 break; | |
| 387 | |
| 388 case SDLK_F5: | |
| 389 showMap = !showMap; | |
| 390 break; | |
| 391 | |
| 392 default: | |
| 393 break; | |
| 394 } | |
| 395 | |
| 396 break; | |
| 397 | |
| 398 case SDL_VIDEORESIZE: | |
| 399 optScrWidth = event.resize.w; | |
| 400 optScrHeight = event.resize.h; | |
| 401 | |
| 402 if (!DM_InitializeVideo(&screen)) | |
| 403 goto error_exit; | |
| 404 | |
| 405 break; | |
| 406 | |
| 407 case SDL_VIDEOEXPOSE: | |
| 408 break; | |
| 409 | |
| 410 case SDL_QUIT: | |
| 411 exit(0); | |
| 412 } | |
| 413 | |
| 414 SDL_GetMouseState(&mouseX, &mouseY); | |
| 415 light.x = ((DMFloat) mouseX * QWIDTH) / (DMFloat) optScrWidth; | |
| 416 light.y = ((DMFloat) mouseY * QHEIGHT) / (DMFloat) optScrHeight; | |
| 417 } | |
| 418 | |
| 419 if (!optBenchmark && SDL_MUSTLOCK(screen) != 0 && SDL_LockSurface(screen) != 0) | |
| 420 { | |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
891
diff
changeset
|
421 dmErrorMsg("Can't lock surface.\n"); |
| 0 | 422 goto error_exit; |
| 423 } | |
| 424 | |
| 425 | |
| 426 if (showMap) | |
| 427 memcpy(bmap->pixels, heightMap, QWIDTH * QHEIGHT); | |
| 428 else | |
| 429 dmShadowTraceHeightMap(bmap->pixels, logo->pixels, &light); | |
| 430 | |
| 431 dmScaledBlitSurfaceAny(bmap, 0, 0, screen->w, screen->h, screen, DMD_NONE); | |
| 432 | |
| 433 | |
| 434 | |
| 435 if (!optBenchmark) | |
| 436 { | |
| 437 dmDrawTTFText(screen, font, fontcol, 0, 0, "%3.1f FPS", | |
| 438 (float) (numFrames * 1000.0f) / (float) (endTime - startTime)); | |
| 439 | |
| 440 if (SDL_MUSTLOCK(screen) != 0) | |
| 441 SDL_UnlockSurface(screen); | |
| 442 | |
| 443 SDL_Flip(screen); | |
| 120 | 444 SDL_Delay(20); |
| 0 | 445 } |
| 446 | |
| 447 endTime = SDL_GetTicks(); | |
| 448 numFrames++; | |
| 449 | |
| 450 if (optBenchmark) | |
| 451 { | |
| 452 if (endTime - startTime > optBenchmarkLen * 1000) | |
| 453 exitFlag = TRUE; | |
| 454 } | |
| 455 } | |
| 456 | |
| 457 // Print benchmark results | |
| 458 dmMsg(0, "%d frames in %d ms, fps = %1.3f\n", | |
| 459 numFrames, endTime - startTime, | |
| 460 (float) (numFrames * 1000.0f) / (float) (endTime - startTime)); | |
| 461 | |
| 462 | |
| 463 error_exit: | |
| 464 dmMsg(0, "Shutting down dmlib.\n"); | |
| 465 if (screen) | |
| 466 SDL_FreeSurface(screen); | |
| 467 | |
| 468 if (logo) | |
| 469 SDL_FreeSurface(logo); | |
| 470 | |
| 471 if (font) | |
| 472 TTF_CloseFont(font); | |
| 473 | |
| 474 if (initSDL) | |
| 475 SDL_Quit(); | |
| 476 | |
| 477 if (initTTF) | |
| 478 TTF_Quit(); | |
| 479 | |
| 480 return 0; | |
| 481 } |