Mercurial > hg > dmlib
annotate tests/efu.c @ 1445:60337b31e427
Cosmetics.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 10 May 2018 04:44:08 +0300 |
| parents | 5be4e2eec84f |
| children |
| rev | line source |
|---|---|
| 0 | 1 #include "dmlib.h" |
| 2 #include "dmargs.h" | |
| 3 #include "dmvecmat.h" | |
|
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4 #include "dmimage.h" |
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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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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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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; | |
| 1445 | 50 |
| 0 | 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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67 dmErrorMsg("Invalid width or height: %d x %d\n", w, h); |
| 0 | 68 return FALSE; |
| 69 } | |
| 70 optScrWidth = w; | |
| 71 optScrHeight = h; | |
| 72 } | |
| 1445 | 73 else |
| 0 | 74 { |
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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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86 dmErrorMsg("Unknown option '%s'.\n", currArg); |
| 0 | 87 return FALSE; |
| 88 } | |
| 1445 | 89 |
| 0 | 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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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; | |
| 1445 | 144 |
| 0 | 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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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++) | |
| 1445 | 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); | |
| 0 | 197 |
| 198 #if 1 | |
| 1445 | 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; | |
| 0 | 208 |
| 1445 | 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 | |
| 0 | 219 { |
| 1445 | 220 // Move forwards |
| 221 dm_vector_add(&vr, &va); | |
| 222 vlen++; | |
| 0 | 223 } |
| 1445 | 224 } |
| 225 while (!wasHit && vlen <= vrayLen); | |
| 0 | 226 |
| 1445 | 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; | |
| 0 | 234 #endif |
| 235 | |
| 236 #if 0 | |
| 1445 | 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; | |
| 0 | 247 |
| 1445 | 248 v1.x = 2.0f; |
| 249 v1.y = 0.0f; | |
| 250 v1.z = (DMFloat) (pheightMap[j][i] - pheightMap[j][i + 1]); | |
| 0 | 251 |
| 1445 | 252 v2.x = 0.0f; |
| 253 v2.y = 2.0f; | |
| 254 v2.z = (DMFloat) (pheightMap[j][i] - pheightMap[j + 1][i]); | |
| 0 | 255 |
| 1445 | 256 dm_vector_cross(&vr, &v1, &v2); |
| 257 dm_vector_normalize(&vr); | |
| 258 dm_vector_normalize(&vl); | |
| 259 c = dm_vector_dot(&vl, &vr); | |
| 0 | 260 |
| 1445 | 261 vrayLen = 255 - (vrayLen * 0.1) * vrayLen + (c * 128.0f) + (vfactor * vfactor * 1255); |
| 262 } | |
| 0 | 263 #else |
| 1445 | 264 vrayLen = 255 - vrayLen * vrayLen * (vfactor * vfactor); |
| 265 if (vrayLen < 0) vrayLen = 0; | |
| 266 vrayLen -= pheightMap[j][i]; | |
| 267 | |
| 0 | 268 #endif |
| 269 | |
| 1445 | 270 // Clip result |
| 271 if (vrayLen < 0) | |
| 272 vrayLen = 0; | |
| 273 else if (vrayLen > 255.0f) | |
| 274 vrayLen = 255.0f; | |
| 0 | 275 |
| 1445 | 276 lightMap[j][i] = vrayLen; |
| 277 } | |
| 0 | 278 } |
| 279 | |
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280 #define Q_KERNEL(x, y, dist, coeff) ( \ |
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281 in[(y) - (dist)][(x)] * (coeff) + \ |
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282 in[(y) + (dist)][(x)] * (coeff) + \ |
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283 in[(y)][(x) - (dist)] * (coeff) + \ |
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284 in[(y)][(x) + (dist)] * (coeff) + \ |
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285 in[(y) - (dist)][(x) - (2)] * (coeff) + \ |
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286 in[(y) - (dist)][(x) + (2)] * (coeff) + \ |
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287 in[(y) + (dist)][(x) - (2)] * (coeff) + \ |
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288 in[(y) + (dist)][(x) + (2)] * (coeff)) |
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289 |
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290 #define Q_VALUES(coeff) (8 * (coeff)) |
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291 |
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292 void dmSmoothMap(DMBlockMap out, DMBlockMap in) |
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293 { |
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294 int x, y; |
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295 |
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296 for (y = 0; y < QHEIGHT; y++) |
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297 for (x = 0; x < QWIDTH; x++) |
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298 { |
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299 if (y >= 3 && x >= 3 && y < QHEIGHT - 3 && x < QWIDTH - 3) |
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300 out[y][x] = ( |
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301 Q_KERNEL(x, y, 3, 1) + |
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302 Q_KERNEL(x, y, 2, 2) + |
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303 Q_KERNEL(x, y, 1, 4) + |
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304 in[y][x] * 16) / |
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305 (16 + Q_VALUES(1) + Q_VALUES(2) + Q_VALUES(4)); |
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306 else |
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307 out[y][x] = in[y][x]; |
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308 } |
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309 } |
| 0 | 310 |
| 311 int main(int argc, char *argv[]) | |
| 312 { | |
| 313 SDL_Surface *screen = NULL, *bmap = NULL, *logo = NULL; | |
| 314 TTF_Font *font = NULL; | |
| 315 SDL_Color fontcol={255,155,155,0}; | |
| 316 SDL_Event event; | |
| 739 | 317 int mouseX, mouseY, res; |
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318 BOOL initSDL = FALSE, initTTF = FALSE, exitFlag, showMap = FALSE; |
| 739 | 319 DMResource *file; |
| 1445 | 320 |
| 0 | 321 if (!dmArgsProcess(argc, argv, optList, optListN, |
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322 argHandleOpt, NULL, OPTH_BAILOUT)) |
| 0 | 323 exit(1); |
| 324 | |
| 325 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0) | |
| 326 { | |
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327 dmErrorMsg("Could not initialize SDL: %s\n", SDL_GetError()); |
| 0 | 328 goto error_exit; |
| 329 } | |
| 330 initSDL = TRUE; | |
| 331 | |
| 332 | |
| 333 if (TTF_Init() < 0) | |
| 334 { | |
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335 dmErrorMsg("Could not initialize FreeType/TTF: %s\n", SDL_GetError()); |
| 0 | 336 goto error_exit; |
| 337 } | |
| 338 initTTF = TRUE; | |
| 339 | |
| 340 font = TTF_OpenFont(optFontFile, optFontSize); | |
| 341 if (font == NULL) | |
| 342 { | |
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343 dmErrorMsg("Could not load TTF font '%s' (%d): %s\n", |
| 0 | 344 optFontFile, optFontSize, SDL_GetError()); |
| 345 goto error_exit; | |
| 346 } | |
| 347 TTF_SetFontStyle(font, TTF_STYLE_NORMAL); | |
| 348 | |
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349 |
| 739 | 350 if ((res = dmf_create_stdio(optBitmapFilename, "rb", &file)) != DMERR_OK) |
| 0 | 351 { |
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352 dmErrorMsg("Could not open resource file '%s'.\n", optBitmapFilename); |
| 0 | 353 goto error_exit; |
| 354 } | |
| 739 | 355 logo = dmLoadImage(file); |
| 356 dmf_close(file); | |
| 0 | 357 if (logo == NULL) |
| 358 { | |
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359 dmErrorMsg("Could not load image file '%s'.\n", optBitmapFilename); |
| 0 | 360 goto error_exit; |
| 361 } | |
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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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362 |
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d427763f113a
Fix "efu" test, use dmImage instead of SDL_image.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
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363 |
| 0 | 364 if (optBenchmark) |
| 365 { | |
| 366 screen = SDL_CreateRGBSurface(SDL_SWSURFACE, optScrWidth, optScrHeight, optScrDepth, 0, 0, 0, 0); | |
| 367 if (screen == NULL) | |
| 368 { | |
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958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
891
diff
changeset
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369 dmErrorMsg("Could not create screen surface.\n"); |
| 0 | 370 goto error_exit; |
| 371 } | |
| 1445 | 372 |
| 0 | 373 dmMsg(0, "Benchmark mode, not opening window.\n"); |
| 374 } | |
| 375 else | |
| 376 { | |
| 377 if (!DM_InitializeVideo(&screen)) | |
| 378 goto error_exit; | |
| 379 | |
| 380 SDL_WM_SetCaption("Halleluja", "DMT"); | |
| 381 } | |
| 382 | |
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891
fface5a23b2a
Link to -lm and fix to match changes in dmperlin.
Matti Hamalainen <ccr@tnsp.org>
parents:
860
diff
changeset
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383 dmPerlinInit(&perlinCtx, 1234); |
| 0 | 384 |
| 385 bmap = SDL_CreateRGBSurface(SDL_SWSURFACE, QWIDTH, QHEIGHT, 8, 0, 0, 0, 0); | |
| 386 DM_MakePalette(bmap); | |
| 387 DM_Random(bmap, 15); | |
| 1445 | 388 |
| 0 | 389 DMVector light; |
| 390 DMBlockMap heightMap; | |
| 391 light.x = light.y = 128; | |
| 392 light.z = 128; | |
| 393 dmMakeBumpMap(heightMap, 0.06, 254); | |
| 394 | |
| 395 | |
| 396 | |
| 397 int numFrames = 0, startTime = SDL_GetTicks(), endTime = 0; | |
| 398 exitFlag = FALSE; | |
| 399 | |
| 400 if (optBenchmark) | |
| 401 dmMsg(0, "Starting benchmark, running for %d seconds.\n", optBenchmarkLen); | |
| 402 | |
| 403 while (!exitFlag) | |
| 404 { | |
| 405 if (!optBenchmark) | |
| 406 { | |
| 407 while (SDL_PollEvent(&event)) | |
| 408 switch (event.type) | |
| 409 { | |
| 410 case SDL_KEYDOWN: | |
| 411 switch (event.key.keysym.sym) | |
| 412 { | |
| 413 case SDLK_ESCAPE: exitFlag = TRUE; break; | |
| 1445 | 414 |
| 0 | 415 case SDLK_F1: |
| 416 DM_Random(bmap, (SDL_GetTicks() / 10) % 1000); | |
| 417 break; | |
| 418 | |
| 419 case SDLK_F5: | |
| 420 showMap = !showMap; | |
| 421 break; | |
| 1445 | 422 |
| 0 | 423 default: |
| 424 break; | |
| 425 } | |
| 426 | |
| 427 break; | |
| 1445 | 428 |
| 0 | 429 case SDL_VIDEORESIZE: |
| 430 optScrWidth = event.resize.w; | |
| 431 optScrHeight = event.resize.h; | |
| 432 | |
| 433 if (!DM_InitializeVideo(&screen)) | |
| 434 goto error_exit; | |
| 435 | |
| 436 break; | |
| 1445 | 437 |
| 0 | 438 case SDL_VIDEOEXPOSE: |
| 439 break; | |
| 440 | |
| 441 case SDL_QUIT: | |
| 442 exit(0); | |
| 443 } | |
| 444 | |
| 445 SDL_GetMouseState(&mouseX, &mouseY); | |
| 446 light.x = ((DMFloat) mouseX * QWIDTH) / (DMFloat) optScrWidth; | |
| 447 light.y = ((DMFloat) mouseY * QHEIGHT) / (DMFloat) optScrHeight; | |
| 448 } | |
| 449 | |
| 450 if (!optBenchmark && SDL_MUSTLOCK(screen) != 0 && SDL_LockSurface(screen) != 0) | |
| 451 { | |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
891
diff
changeset
|
452 dmErrorMsg("Can't lock surface.\n"); |
| 0 | 453 goto error_exit; |
| 454 } | |
| 455 | |
| 456 | |
| 457 if (showMap) | |
| 458 memcpy(bmap->pixels, heightMap, QWIDTH * QHEIGHT); | |
| 459 else | |
| 460 dmShadowTraceHeightMap(bmap->pixels, logo->pixels, &light); | |
| 461 dmScaledBlitSurfaceAny(bmap, 0, 0, screen->w, screen->h, screen, DMD_NONE); | |
| 462 | |
| 463 | |
| 464 | |
| 465 if (!optBenchmark) | |
| 466 { | |
| 1445 | 467 dmDrawTTFText(screen, font, fontcol, 0, 0, "%3.1f FPS", |
| 0 | 468 (float) (numFrames * 1000.0f) / (float) (endTime - startTime)); |
| 469 | |
| 470 if (SDL_MUSTLOCK(screen) != 0) | |
| 471 SDL_UnlockSurface(screen); | |
| 472 | |
| 473 SDL_Flip(screen); | |
| 120 | 474 SDL_Delay(20); |
| 0 | 475 } |
| 476 | |
| 477 endTime = SDL_GetTicks(); | |
| 478 numFrames++; | |
| 479 | |
| 480 if (optBenchmark) | |
| 481 { | |
| 482 if (endTime - startTime > optBenchmarkLen * 1000) | |
| 483 exitFlag = TRUE; | |
| 484 } | |
| 485 } | |
| 486 | |
| 487 // Print benchmark results | |
| 488 dmMsg(0, "%d frames in %d ms, fps = %1.3f\n", | |
| 489 numFrames, endTime - startTime, | |
| 490 (float) (numFrames * 1000.0f) / (float) (endTime - startTime)); | |
| 491 | |
| 492 | |
| 493 error_exit: | |
| 494 dmMsg(0, "Shutting down dmlib.\n"); | |
| 495 if (screen) | |
| 496 SDL_FreeSurface(screen); | |
| 497 | |
| 498 if (logo) | |
| 499 SDL_FreeSurface(logo); | |
| 500 | |
| 501 if (font) | |
| 502 TTF_CloseFont(font); | |
| 503 | |
| 504 if (initSDL) | |
| 505 SDL_Quit(); | |
| 506 | |
| 507 if (initTTF) | |
| 508 TTF_Quit(); | |
| 509 | |
| 510 return 0; | |
| 511 } |