src/sdl2/main.c

   1 #ifdef __EMSCRIPTEN__
   2 #  include <emscripten.h>
   3 #endif
   4
   5 #include <SDL2/SDL.h>
   6 #include <stdio.h>
   7 #include <stdarg.h>
   8 #include <stdlib.h> // srand exit
   9 #include <string.h> // strcasecmp
  10 #include <assert.h>
  11 #include "system.h"
  12 #include "input.h"
  13
  14 #include "cp866.h"
  15
  16 #include "my.h" // fexists
  17 #include "player.h" // pl1 pl2
  18 #include "menu.h" // G_keyf
  19 #include "error.h" // logo
  20 #include "monster.h" // nomon
  21
  22 #include "files.h" // F_startup F_addwad F_initwads F_allocres
  23 #include "config.h" // CFG_args CFG_load CFG_save
  24 #include "args.h" // ARG_parse
  25 #include "memory.h" // M_startup
  26 #include "game.h" // G_init G_act
  27 #include "sound.h" // S_init S_done
  28 #include "music.h" // S_initmusic S_updatemusic S_donemusic
  29 #include "render.h" // R_init R_draw R_done
  30
  31 #define TITLE_STR "Doom 2D (SDL2)"
  32
  33 static Uint32 ticks;
  34 static int quit = 0;
  35 static SDL_Window *window;
  36 static SDL_GLContext context;
  37 static SDL_Surface *surf;
  38 static videomode_t vlist;
  39
  40 static const cfg_t arg[] = {
  41   {"file", NULL, Y_FILES},
  42   {"cheat", &cheat, Y_SW_ON},
  43 //  {"vga", &shot_vga, Y_SW_ON},
  44 //  {"musvol", &mus_vol, Y_WORD},
  45   {"mon", &nomon, Y_SW_OFF},
  46   {"warp", &_warp, Y_BYTE},
  47 //  {"config", NULL, cfg_file, Y_STRING},
  48   {NULL, NULL, 0} // end
  49 };
  50
  51 static const cfg_t cfg[] = {
  52 //  {"screenshot", &shot_vga, Y_SW_ON},
  53 //  {"music_volume", &mus_vol, Y_WORD},
  54 //  {"music_random", &music_random, Y_SW_ON},
  55 //  {"music_time", &music_time, Y_DWORD},
  56 //  {"music_fade", &music_fade, Y_DWORD},
  57   {"pl1_left", &pl1.kl, Y_KEY},
  58   {"pl1_right",&pl1.kr, Y_KEY},
  59   {"pl1_up", &pl1.ku, Y_KEY},
  60   {"pl1_down", &pl1.kd, Y_KEY},
  61   {"pl1_jump", &pl1.kj, Y_KEY},
  62   {"pl1_fire", &pl1.kf, Y_KEY},
  63   {"pl1_next", &pl1.kwr, Y_KEY},
  64   {"pl1_prev", &pl1.kwl, Y_KEY},
  65   {"pl1_use", &pl1.kp, Y_KEY},
  66   {"pl2_left", &pl2.kl, Y_KEY},
  67   {"pl2_right", &pl2.kr, Y_KEY},
  68   {"pl2_up", &pl2.ku, Y_KEY},
  69   {"pl2_down", &pl2.kd, Y_KEY},
  70   {"pl2_jump", &pl2.kj, Y_KEY},
  71   {"pl2_fire", &pl2.kf, Y_KEY},
  72   {"pl2_next", &pl2.kwr, Y_KEY},
  73   {"pl2_prev", &pl2.kwl, Y_KEY},
  74   {"pl2_use", &pl2.kp, Y_KEY},
  75   {NULL, NULL, 0} // end
  76 };
  77
  78 static void CFG_args (int argc, char **argv) {
  79   const cfg_t *list[] = { arg, R_args(), S_args(), MUS_args() };
  80   ARG_parse(argc, argv, 4, list);
  81 }
  82
  83 static void CFG_load (void) {
  84   const cfg_t *list[] = { cfg, R_conf(), S_conf(), MUS_conf() };
  85   CFG_read_config("default.cfg", 4, list);
  86   CFG_read_config("doom2d.cfg", 4, list);
  87 }
  88
  89 static void CFG_save (void) {
  90   const cfg_t *list[] = { cfg, R_conf(), S_conf(), MUS_conf() };
  91   CFG_update_config("doom2d.cfg", "doom2d.cfg", 4, list, "generated by doom2d, do not modify");
  92 }
  93
  94 /* --- error.h --- */
  95
  96 void logo (const char *s, ...) {
  97   va_list ap;
  98   va_start(ap, s);
  99   vprintf(s, ap);
 100   va_end(ap);
 101   fflush(stdout);
 102 }
 103
 104 void logo_gas (int cur, int all) {
 105   // stub
 106 }
 107
 108 void ERR_failinit (char *s, ...) {
 109   va_list ap;
 110   va_start(ap, s);
 111   vprintf(s, ap);
 112   va_end(ap);
 113   puts("");
 114   exit(1);
 115 }
 116
 117 void ERR_fatal (char *s, ...) {
 118   va_list ap;
 119   R_done();
 120   MUS_done();
 121   S_done();
 122   M_shutdown();
 123   SDL_Quit();
 124   puts("\nКРИТИЧЕСКАЯ ОШИБКА:");
 125   va_start(ap, s);
 126   vprintf(s, ap);
 127   va_end(ap);
 128   puts("");
 129   exit(1);
 130 }
 131
 132 void ERR_quit (void) {
 133   quit = 1;
 134 }
 135
 136 /* --- system.h --- */
 137
 138 static int Y_resize_window (int w, int h, int fullscreen) {
 139   assert(w > 0);
 140   assert(h > 0);
 141   assert(window != NULL);
 142   if (surf != NULL) {
 143     if (surf->w != w || surf->h != h) {
 144       SDL_Surface *s = SDL_CreateRGBSurface(0, w, h, 8, 0, 0, 0, 0);
 145       if (s != NULL) {
 146         SDL_SetPaletteColors(s->format->palette, surf->format->palette->colors, 0, surf->format->palette->ncolors);
 147         SDL_FreeSurface(surf);
 148         surf = s;
 149       }
 150     }
 151   }
 152   SDL_SetWindowSize(window, w, h);
 153   Y_set_fullscreen(fullscreen);
 154   return 1;
 155 }
 156
 157 int Y_set_videomode_opengl (int w, int h, int fullscreen) {
 158   assert(w > 0);
 159   assert(h > 0);
 160   Uint32 flags;
 161   SDL_Window *win;
 162   SDL_GLContext ctx;
 163   if (window != NULL && context != NULL) {
 164     Y_resize_window(w, h, fullscreen);
 165     win = window;
 166   } else {
 167     flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL;
 168     if (fullscreen) {
 169       flags = flags | SDL_WINDOW_FULLSCREEN;
 170     }
 171     // TODO set context version and type
 172 #ifdef __EMSCRIPTEN__
 173     SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
 174     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
 175     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
 176 #else
 177     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
 178     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
 179 #endif
 180     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 181     win = SDL_CreateWindow(TITLE_STR, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w, h, flags);
 182     if (win != NULL) {
 183       ctx = SDL_GL_CreateContext(win);
 184       if (ctx != NULL) {
 185         Y_unset_videomode();
 186         window = win;
 187         context = ctx;
 188         SDL_GL_MakeCurrent(window, context);
 189       } else {
 190         SDL_DestroyWindow(win);
 191         win = NULL;
 192       }
 193     }
 194   }
 195   if (win == NULL) {
 196     logo("Y_set_videomode_opengl: error: %s\n", SDL_GetError());
 197   }
 198   return win != NULL;
 199 }
 200
 201 int Y_set_videomode_software (int w, int h, int fullscreen) {
 202   assert(w > 0);
 203   assert(h > 0);
 204   Uint32 flags;
 205   SDL_Surface *s;
 206   SDL_Window *win;
 207   if (window != NULL && surf != NULL) {
 208     Y_resize_window(w, h, fullscreen);
 209     win = window;
 210   } else {
 211     flags = SDL_WINDOW_RESIZABLE;
 212     if (fullscreen) {
 213       flags = flags | SDL_WINDOW_FULLSCREEN;
 214     }
 215     win = SDL_CreateWindow(TITLE_STR, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w, h, flags);
 216     if (win != NULL) {
 217       s = SDL_CreateRGBSurface(0, w, h, 8, 0, 0, 0, 0);
 218       if (s != NULL) {
 219         Y_unset_videomode();
 220         window = win;
 221         surf = s;
 222       } else {
 223         SDL_DestroyWindow(win);
 224         win = NULL;
 225       }
 226     }
 227   }
 228   if (win == NULL) {
 229     logo("Y_set_videomode_software: error: %s\n", SDL_GetError());
 230   }
 231   return win != NULL;
 232 }
 233
 234 void Y_get_videomode (int *w, int *h) {
 235   if (window != NULL) {
 236     SDL_GetWindowSize(window, w, h);
 237   } else {
 238     *w = 0;
 239     *h = 0;
 240   }
 241 }
 242
 243 int Y_videomode_setted (void) {
 244   return window != NULL;
 245 }
 246
 247 void Y_unset_videomode (void) {
 248   if (window != NULL) {
 249     if (context != NULL) {
 250       SDL_GL_MakeCurrent(window, NULL);
 251       SDL_GL_DeleteContext(context);
 252       context = NULL;
 253     }
 254     if (surf != NULL) {
 255       SDL_FreeSurface(surf);
 256       surf = NULL;
 257     }
 258     SDL_DestroyWindow(window);
 259     window = NULL;
 260   }
 261 }
 262
 263 static void init_videomode_list (void) {
 264   int i, j, k;
 265   SDL_DisplayMode m;
 266   int n = SDL_GetNumDisplayModes(0);
 267   if (vlist.modes != NULL) {
 268     free(vlist.modes);
 269     vlist.modes = NULL;
 270     vlist.n = 0;
 271   }
 272   if (n > 0) {
 273     vlist.modes = malloc(n * sizeof(videomode_size_t));
 274     if (vlist.modes != NULL) {
 275       j = 0;
 276       for (i = 0; i < n; i++) {
 277         SDL_GetDisplayMode(0, i, &m);
 278         k = 0;
 279         while (k < j && (m.w != vlist.modes[k].w || m.h != vlist.modes[k].h)) {
 280           k++;
 281         }
 282         if (k >= j) {
 283           vlist.modes[j] = (videomode_size_t) {
 284             .w = m.w,
 285             .h = m.h
 286           };
 287           j++;
 288         }
 289       }
 290       vlist.n = j;
 291     }
 292   }
 293 }
 294
 295 const videomode_t *Y_get_videomode_list_opengl (int fullscreen) {
 296   init_videomode_list();
 297   return &vlist;
 298 }
 299
 300 const videomode_t *Y_get_videomode_list_software (int fullscreen) {
 301   init_videomode_list();
 302   return &vlist;
 303 }
 304
 305 void Y_set_fullscreen (int yes) {
 306   if (window != NULL) {
 307     SDL_SetWindowFullscreen(window, yes ? SDL_WINDOW_FULLSCREEN : 0);
 308   }
 309 }
 310
 311 int Y_get_fullscreen (void) {
 312   return (window != NULL) && (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN);
 313 }
 314
 315 void Y_swap_buffers (void) {
 316   assert(window != NULL);
 317   assert(context != NULL);
 318   SDL_GL_SwapWindow(window);
 319 }
 320
 321 void Y_get_buffer (byte **buf, int *w, int *h, int *pitch) {
 322   assert(window != NULL);
 323   assert(surf != NULL);
 324   *buf = surf->pixels;
 325   *w = surf->w;
 326   *h = surf->h;
 327   *pitch = surf->pitch;
 328 }
 329
 330 void Y_set_vga_palette (byte *vgapal) {
 331   assert(window != NULL);
 332   assert(surf != NULL);
 333   int i;
 334   byte *p = vgapal;
 335   SDL_Color colors[256];
 336   for (i = 0; i < 256; i++) {
 337     colors[i] = (SDL_Color) {
 338       .r = p[0] * 255 / 63,
 339       .g = p[1] * 255 / 63,
 340       .b = p[2] * 255 / 63
 341     };
 342     p += 3;
 343   }
 344   SDL_SetPaletteColors(surf->format->palette, colors, 0, 256);
 345 }
 346
 347 void Y_repaint_rect (int x, int y, int w, int h) {
 348   assert(window != NULL);
 349   assert(surf != NULL);
 350   SDL_Surface *s = SDL_GetWindowSurface(window);
 351   SDL_Rect r = (SDL_Rect) {
 352     .x = x,
 353     .y = y,
 354     .w = w,
 355     .h = h
 356   };
 357   SDL_BlitSurface(surf, &r, s, &r);
 358   SDL_UpdateWindowSurfaceRects(window, &r, 1);
 359 }
 360
 361 void Y_repaint (void) {
 362   Y_repaint_rect(0, 0, surf->w, surf->h);
 363 }
 364
 365 void Y_enable_text_input (void) {
 366   SDL_StartTextInput();
 367 }
 368
 369 void Y_disable_text_input (void) {
 370   SDL_StopTextInput();
 371 }
 372
 373 /* --- main --- */
 374
 375 static int sdl_to_key (int code) {
 376   switch (code) {
 377     case SDL_SCANCODE_0: return KEY_0;
 378     case SDL_SCANCODE_1: return KEY_1;
 379     case SDL_SCANCODE_2: return KEY_2;
 380     case SDL_SCANCODE_3: return KEY_3;
 381     case SDL_SCANCODE_4: return KEY_4;
 382     case SDL_SCANCODE_5: return KEY_5;
 383     case SDL_SCANCODE_6: return KEY_6;
 384     case SDL_SCANCODE_7: return KEY_7;
 385     case SDL_SCANCODE_8: return KEY_8;
 386     case SDL_SCANCODE_9: return KEY_9;
 387     case SDL_SCANCODE_A: return KEY_A;
 388     case SDL_SCANCODE_B: return KEY_B;
 389     case SDL_SCANCODE_C: return KEY_C;
 390     case SDL_SCANCODE_D: return KEY_D;
 391     case SDL_SCANCODE_E: return KEY_E;
 392     case SDL_SCANCODE_F: return KEY_F;
 393     case SDL_SCANCODE_G: return KEY_G;
 394     case SDL_SCANCODE_H: return KEY_H;
 395     case SDL_SCANCODE_I: return KEY_I;
 396     case SDL_SCANCODE_J: return KEY_J;
 397     case SDL_SCANCODE_K: return KEY_K;
 398     case SDL_SCANCODE_L: return KEY_L;
 399     case SDL_SCANCODE_M: return KEY_M;
 400     case SDL_SCANCODE_N: return KEY_N;
 401     case SDL_SCANCODE_O: return KEY_O;
 402     case SDL_SCANCODE_P: return KEY_P;
 403     case SDL_SCANCODE_Q: return KEY_Q;
 404     case SDL_SCANCODE_R: return KEY_R;
 405     case SDL_SCANCODE_S: return KEY_S;
 406     case SDL_SCANCODE_T: return KEY_T;
 407     case SDL_SCANCODE_U: return KEY_U;
 408     case SDL_SCANCODE_V: return KEY_V;
 409     case SDL_SCANCODE_W: return KEY_W;
 410     case SDL_SCANCODE_X: return KEY_X;
 411     case SDL_SCANCODE_Y: return KEY_Y;
 412     case SDL_SCANCODE_Z: return KEY_Z;
 413     case SDL_SCANCODE_RETURN: return KEY_RETURN;
 414     case SDL_SCANCODE_ESCAPE: return KEY_ESCAPE;
 415     case SDL_SCANCODE_BACKSPACE: return KEY_BACKSPACE;
 416     case SDL_SCANCODE_TAB: return KEY_TAB;
 417     case SDL_SCANCODE_SPACE: return KEY_SPACE;
 418     case SDL_SCANCODE_MINUS: return KEY_MINUS;
 419     case SDL_SCANCODE_EQUALS: return KEY_EQUALS;
 420     case SDL_SCANCODE_LEFTBRACKET: return KEY_LEFTBRACKET;
 421     case SDL_SCANCODE_RIGHTBRACKET: return KEY_RIGHTBRACKET;
 422     case SDL_SCANCODE_BACKSLASH: return KEY_BACKSLASH;
 423     case SDL_SCANCODE_SEMICOLON: return KEY_SEMICOLON;
 424     case SDL_SCANCODE_APOSTROPHE: return KEY_APOSTROPHE;
 425     case SDL_SCANCODE_GRAVE: return KEY_GRAVE;
 426     case SDL_SCANCODE_COMMA: return KEY_COMMA;
 427     case SDL_SCANCODE_PERIOD: return KEY_PERIOD;
 428     case SDL_SCANCODE_SLASH: return KEY_SLASH;
 429     case SDL_SCANCODE_CAPSLOCK: return KEY_CAPSLOCK;
 430     case SDL_SCANCODE_F1: return KEY_F1;
 431     case SDL_SCANCODE_F2: return KEY_F2;
 432     case SDL_SCANCODE_F3: return KEY_F3;
 433     case SDL_SCANCODE_F4: return KEY_F4;
 434     case SDL_SCANCODE_F5: return KEY_F5;
 435     case SDL_SCANCODE_F6: return KEY_F6;
 436     case SDL_SCANCODE_F7: return KEY_F7;
 437     case SDL_SCANCODE_F8: return KEY_F8;
 438     case SDL_SCANCODE_F9: return KEY_F9;
 439     case SDL_SCANCODE_F10: return KEY_F10;
 440     case SDL_SCANCODE_F11: return KEY_F11;
 441     case SDL_SCANCODE_F12: return KEY_F12;
 442     case SDL_SCANCODE_PRINTSCREEN: return KEY_PRINTSCREEN;
 443     case SDL_SCANCODE_SCROLLLOCK: return KEY_SCROLLLOCK;
 444     case SDL_SCANCODE_PAUSE: return KEY_PAUSE;
 445     case SDL_SCANCODE_INSERT: return KEY_INSERT;
 446     case SDL_SCANCODE_HOME: return KEY_HOME;
 447     case SDL_SCANCODE_PAGEUP: return KEY_PAGEUP;
 448     case SDL_SCANCODE_DELETE: return KEY_DELETE;
 449     case SDL_SCANCODE_END: return KEY_END;
 450     case SDL_SCANCODE_PAGEDOWN: return KEY_PAGEDOWN;
 451     case SDL_SCANCODE_RIGHT: return KEY_RIGHT;
 452     case SDL_SCANCODE_LEFT: return KEY_LEFT;
 453     case SDL_SCANCODE_DOWN: return KEY_DOWN;
 454     case SDL_SCANCODE_UP: return KEY_UP;
 455     case SDL_SCANCODE_NUMLOCKCLEAR: return KEY_NUMLOCK;
 456     case SDL_SCANCODE_KP_DIVIDE: return KEY_KP_DIVIDE;
 457     case SDL_SCANCODE_KP_MULTIPLY: return KEY_KP_MULTIPLY;
 458     case SDL_SCANCODE_KP_MINUS: return KEY_KP_MINUS;
 459     case SDL_SCANCODE_KP_PLUS: return KEY_KP_PLUS;
 460     case SDL_SCANCODE_KP_ENTER: return KEY_KP_ENTER;
 461     case SDL_SCANCODE_KP_0: return KEY_KP_0;
 462     case SDL_SCANCODE_KP_1: return KEY_KP_1;
 463     case SDL_SCANCODE_KP_2: return KEY_KP_2;
 464     case SDL_SCANCODE_KP_3: return KEY_KP_3;
 465     case SDL_SCANCODE_KP_4: return KEY_KP_4;
 466     case SDL_SCANCODE_KP_5: return KEY_KP_5;
 467     case SDL_SCANCODE_KP_6: return KEY_KP_6;
 468     case SDL_SCANCODE_KP_7: return KEY_KP_7;
 469     case SDL_SCANCODE_KP_8: return KEY_KP_8;
 470     case SDL_SCANCODE_KP_9: return KEY_KP_9;
 471     case SDL_SCANCODE_KP_PERIOD: return KEY_KP_PERIOD;
 472     case SDL_SCANCODE_SYSREQ: return KEY_SYSREQ;
 473     case SDL_SCANCODE_LCTRL: return KEY_LCTRL;
 474     case SDL_SCANCODE_LSHIFT: return KEY_LSHIFT;
 475     case SDL_SCANCODE_LALT: return KEY_LALT;
 476     case SDL_SCANCODE_LGUI: return KEY_LSUPER;
 477     case SDL_SCANCODE_RCTRL: return KEY_RCTRL;
 478     case SDL_SCANCODE_RSHIFT: return KEY_RSHIFT;
 479     case SDL_SCANCODE_RALT: return KEY_RALT;
 480     case SDL_SCANCODE_RGUI: return KEY_RSUPER;
 481     default: return KEY_UNKNOWN;
 482   }
 483 }
 484
 485 static void window_event_handler (SDL_WindowEvent *ev) {
 486   switch (ev->event) {
 487     case SDL_WINDOWEVENT_RESIZED:
 488       R_set_videomode(ev->data1, ev->data2, Y_get_fullscreen());
 489       break;
 490     case SDL_WINDOWEVENT_CLOSE:
 491       ERR_quit();
 492       break;
 493   }
 494 }
 495
 496 static int utf8_to_wchar (char *x) {
 497   int i = 0;
 498   byte *s = (byte*)x;
 499   if (s[0] < 0x80) {
 500     return s[0];
 501   } else if (s[0] < 0xE0) {
 502     if (s[0] - 192 >= 0 && s[1] >= 0x80 && s[1] < 0xE0) {
 503       i = (s[0] - 192) * 64 + s[1] - 128;
 504     }
 505   } else if (s[0] < 0xF0) {
 506     if (s[1] >= 0x80 && s[1] < 0xE0 && s[2] >= 0x80 && s[2] < 0xE0) {
 507       i = ((s[0] - 224) * 64 + s[1] - 128) * 64 + s[2] - 128;
 508     }
 509   }
 510   return i;
 511 }
 512
 513 static void poll_events (void) {
 514   int key, down, uch, ch;
 515   SDL_Event ev;
 516   while (SDL_PollEvent(&ev)) {
 517     switch (ev.type) {
 518       case SDL_QUIT:
 519         ERR_quit();
 520         break;
 521       case SDL_WINDOWEVENT:
 522         if (ev.window.windowID == SDL_GetWindowID(window)) {
 523           window_event_handler(&ev.window);
 524         }
 525         break;
 526       case SDL_KEYDOWN:
 527       case SDL_KEYUP:
 528         down = ev.type == SDL_KEYDOWN;
 529         key = sdl_to_key(ev.key.keysym.scancode);
 530         I_press(key, down);
 531         GM_key(key, down);
 532         break;
 533       case SDL_TEXTINPUT:
 534         uch = utf8_to_wchar(ev.text.text);
 535         ch = cp866_utoc(uch);
 536         if (ch >= 0) {
 537           GM_input(ch);
 538         }
 539         break;
 540     }
 541   }
 542 }
 543
 544 static void step (void) {
 545   poll_events();
 546   MUS_update();
 547   Uint32 t = SDL_GetTicks();
 548   if (t - ticks > DELAY) {
 549     ticks = t;
 550     G_act();
 551   }
 552   R_draw();
 553 }
 554
 555 int main (int argc, char **argv) {
 556   char *pw;
 557   CFG_args(argc, argv);
 558   logo("system: initialize SDL2\n");
 559   if (SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO | SDL_INIT_EVENTS) == -1) {
 560     logo("system: failed to init SDL2: %s\n", SDL_GetError());
 561     return 1;
 562   }
 563   // Player 1 defaults
 564   pl1.ku = KEY_KP_8;
 565   pl1.kd = KEY_KP_5;
 566   pl1.kl = KEY_KP_4;
 567   pl1.kr = KEY_KP_6;
 568   pl1.kf = KEY_PAGEDOWN;
 569   pl1.kj = KEY_DELETE;
 570   pl1.kwl = KEY_HOME;
 571   pl1.kwr = KEY_END;
 572   pl1.kp = KEY_KP_8;
 573   // Player 2 defaults
 574   pl2.ku = KEY_E;
 575   pl2.kd = KEY_D;
 576   pl2.kl = KEY_S;
 577   pl2.kr = KEY_F;
 578   pl2.kf = KEY_A;
 579   pl2.kj = KEY_Q;
 580   pl2.kwl = KEY_1;
 581   pl2.kwr = KEY_2;
 582   pl2.kp = KEY_E;
 583   srand(SDL_GetTicks());
 584   F_startup();
 585   CFG_load();
 586 #ifndef WIN32
 587   pw = "/usr/share/doom2d-rembo/doom2d.wad";
 588 #else
 589   pw = "doom2d.wad";
 590 #endif
 591   if (fexists(pw)) {
 592     F_addwad(pw);
 593   } else {
 594     F_addwad("doom2d.wad");
 595   }
 596   F_initwads();
 597   M_startup();
 598   F_allocres();
 599   S_init();
 600   MUS_init();
 601   R_init();
 602   G_init();
 603   ticks = SDL_GetTicks();
 604 #ifdef __EMSCRIPTEN__
 605   emscripten_set_main_loop(step, 0, 1);
 606 #else
 607   while (!quit) {
 608     step();
 609   }
 610 #endif
 611   CFG_save();
 612   R_done();
 613   MUS_done();
 614   S_done();
 615   M_shutdown();
 616   SDL_Quit();
 617   return 0;
 618 }