src/sdl/main.c

   1 /*
   2    Copyright (C) Prikol Software 1996-1997
   3    Copyright (C) Aleksey Volynskov 1996-1997
   4    Copyright (C) <ARembo@gmail.com> 2011
   5
   6    This file is part of the Doom2D:Rembo project.
   7
   8    Doom2D:Rembo is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License version 2 as
  10    published by the Free Software Foundation.
  11
  12    Doom2D:Rembo is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, see <http://www.gnu.org/licenses/> or
  19    write to the Free Software Foundation, Inc.,
  20    51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  21 */
  22
  23 #include <SDL.h>
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include <stdlib.h> // srand exit
  27 #include <string.h> // strcasecmp
  28 #include <assert.h>
  29 #include "system.h"
  30 #include "input.h"
  31
  32 #include "my.h" // fexists
  33 #include "player.h" // pl1 pl2
  34 #include "menu.h" // G_keyf
  35 #include "error.h" // logo
  36
  37 #include "files.h" // F_startup F_addwad F_initwads F_allocres
  38 #include "config.h" // CFG_args CFG_load CFG_save
  39 #include "memory.h" // M_startup
  40 #include "game.h" // G_init G_act
  41 #include "sound.h" // S_init S_done
  42 #include "music.h" // S_initmusic S_updatemusic S_donemusic
  43 #include "render.h" // R_init R_draw R_done
  44
  45 static int quit = 0;
  46 static SDL_Surface *surf = NULL;
  47
  48 /* --- error.h --- */
  49
  50 void logo (const char *s, ...) {
  51   va_list ap;
  52   va_start(ap, s);
  53   vprintf(s, ap);
  54   va_end(ap);
  55   fflush(stdout);
  56 }
  57
  58 void logo_gas (int cur, int all) {
  59   // stub
  60 }
  61
  62 void ERR_failinit (char *s, ...) {
  63   va_list ap;
  64   va_start(ap, s);
  65   vprintf(s, ap);
  66   va_end(ap);
  67   puts("");
  68   exit(1);
  69 }
  70
  71 void ERR_fatal (char *s, ...) {
  72   va_list ap;
  73   R_done();
  74   S_done();
  75   S_donemusic();
  76   M_shutdown();
  77   SDL_Quit();
  78   puts("\nКРИТИЧЕСКАЯ ОШИБКА:");
  79   va_start(ap, s);
  80   vprintf(s, ap);
  81   va_end(ap);
  82   puts("");
  83   exit(1);
  84 }
  85
  86 void ERR_quit (void) {
  87   puts("Спасибо за то, что вы играли в Операцию \"Смятка\"!");
  88   //F_loadres(F_getresid("ENDOOM"),p,0,4000);
  89   quit = 1;
  90 }
  91
  92 /* --- system.h --- */
  93
  94 int Y_set_videomode (int w, int h, int flags) {
  95   SDL_Surface *s;
  96   int colors;
  97   Uint32 f;
  98   assert(w > 0);
  99   assert(h > 0);
 100   f = SDL_DOUBLEBUF;
 101   if (flags & SYSTEM_USE_FULLSCREEN) {
 102     f = flags | SDL_FULLSCREEN;
 103   }
 104   if (flags & SYSTEM_USE_OPENGL) {
 105     f = flags | SDL_OPENGL;
 106     colors = 0;
 107   } else {
 108     f = flags | SDL_SWSURFACE | SDL_HWPALETTE;
 109     colors = 8;
 110   }
 111   s = SDL_SetVideoMode(w, h, colors, f);
 112   if (s != NULL) {
 113     surf = s;
 114   }
 115   return s != NULL;
 116 }
 117
 118 void Y_get_videomode (int *w, int *h) {
 119   if (surf != NULL) {
 120     *w = surf->w;
 121     *h = surf->h;
 122   } else {
 123     *w = 0;
 124     *h = 0;
 125   }
 126 }
 127
 128 int Y_videomode_setted (void) {
 129   return surf != NULL;
 130 }
 131
 132 void Y_unset_videomode (void) {
 133   surf = NULL;
 134   SDL_QuitSubSystem(SDL_INIT_VIDEO);
 135   SDL_InitSubSystem(SDL_INIT_VIDEO);
 136 }
 137
 138 void Y_set_fullscreen (int yes) {
 139   assert(surf != NULL);
 140   Uint32 flags = surf->flags & ~SDL_FULLSCREEN;
 141   if ((surf->flags & SDL_FULLSCREEN) == 0) {
 142     flags |= SDL_FULLSCREEN;
 143   }
 144   Y_set_videomode(surf->w, surf->h, flags);
 145 }
 146
 147 int Y_get_fullscreen (void) {
 148   return (surf != NULL) && ((surf->flags & SDL_FULLSCREEN) != 0);
 149 }
 150
 151 void Y_swap_buffers (void) {
 152   assert(surf != NULL);
 153   assert(surf->flags & SDL_OPENGL);
 154   SDL_GL_SwapBuffers();
 155 }
 156
 157 void Y_get_buffer (byte **buf, int *w, int *h, int *pitch) {
 158   assert(surf != NULL);
 159   assert((surf->flags & SDL_OPENGL) == 0);
 160   *buf = surf->pixels;
 161   *w = surf->w;
 162   *h = surf->h;
 163   *pitch = surf->pitch;
 164 }
 165
 166 void Y_set_vga_palette (byte *vgapal) {
 167   int i;
 168   byte *p = vgapal;
 169   assert(vgapal != NULL);
 170   assert(surf != NULL);
 171   assert((surf->flags & SDL_OPENGL) == 0);
 172   SDL_Color colors[256];
 173   for (i = 0; i < 256; i++) {
 174     colors[i] = (SDL_Color) {
 175       .r = p[0] * 255 / 63,
 176       .g = p[1] * 255 / 63,
 177       .b = p[2] * 255 / 63
 178     };
 179     p += 3;
 180   }
 181   SDL_SetColors(surf, colors, 0, 256);
 182 }
 183
 184 void Y_repaint_rect (int x, int y, int w, int h) {
 185   assert(surf != NULL);
 186   assert((surf->flags & SDL_OPENGL) == 0);
 187   SDL_UpdateRect(surf, x, y, w, h);
 188 }
 189
 190 void Y_repaint (void) {
 191   assert(surf != NULL);
 192   assert((surf->flags & SDL_OPENGL) == 0);
 193   SDL_Flip(surf);
 194 }
 195
 196 /* --- main --- */
 197
 198 static int sdl_to_key (int code) {
 199   switch (code) {
 200     case SDLK_0: return KEY_0;
 201     case SDLK_1: return KEY_1;
 202     case SDLK_2: return KEY_2;
 203     case SDLK_3: return KEY_3;
 204     case SDLK_4: return KEY_4;
 205     case SDLK_5: return KEY_5;
 206     case SDLK_6: return KEY_6;
 207     case SDLK_7: return KEY_7;
 208     case SDLK_8: return KEY_8;
 209     case SDLK_9: return KEY_9;
 210     case SDLK_a: return KEY_A;
 211     case SDLK_b: return KEY_B;
 212     case SDLK_c: return KEY_C;
 213     case SDLK_d: return KEY_D;
 214     case SDLK_e: return KEY_E;
 215     case SDLK_f: return KEY_F;
 216     case SDLK_g: return KEY_G;
 217     case SDLK_h: return KEY_H;
 218     case SDLK_i: return KEY_I;
 219     case SDLK_j: return KEY_J;
 220     case SDLK_k: return KEY_K;
 221     case SDLK_l: return KEY_L;
 222     case SDLK_m: return KEY_M;
 223     case SDLK_n: return KEY_N;
 224     case SDLK_o: return KEY_O;
 225     case SDLK_p: return KEY_P;
 226     case SDLK_q: return KEY_Q;
 227     case SDLK_r: return KEY_R;
 228     case SDLK_s: return KEY_S;
 229     case SDLK_t: return KEY_T;
 230     case SDLK_u: return KEY_U;
 231     case SDLK_v: return KEY_V;
 232     case SDLK_w: return KEY_W;
 233     case SDLK_x: return KEY_X;
 234     case SDLK_y: return KEY_Y;
 235     case SDLK_z: return KEY_Z;
 236     case SDLK_RETURN: return KEY_RETURN;
 237     case SDLK_ESCAPE: return KEY_ESCAPE;
 238     case SDLK_BACKSPACE: return KEY_BACKSPACE;
 239     case SDLK_TAB: return KEY_TAB;
 240     case SDLK_SPACE: return KEY_SPACE;
 241     case SDLK_MINUS: return KEY_MINUS;
 242     case SDLK_EQUALS: return KEY_EQUALS;
 243     case SDLK_LEFTBRACKET: return KEY_LEFTBRACKET;
 244     case SDLK_RIGHTBRACKET: return KEY_RIGHTBRACKET;
 245     case SDLK_BACKSLASH: return KEY_BACKSLASH;
 246     case SDLK_SEMICOLON: return KEY_SEMICOLON;
 247     case SDLK_QUOTE: return KEY_APOSTROPHE;
 248     case SDLK_BACKQUOTE: return KEY_GRAVE;
 249     case SDLK_COMMA: return KEY_COMMA;
 250     case SDLK_PERIOD: return KEY_PERIOD;
 251     case SDLK_SLASH: return KEY_SLASH;
 252     case SDLK_CAPSLOCK: return KEY_CAPSLOCK;
 253     case SDLK_F1: return KEY_F1;
 254     case SDLK_F2: return KEY_F2;
 255     case SDLK_F3: return KEY_F3;
 256     case SDLK_F4: return KEY_F4;
 257     case SDLK_F5: return KEY_F5;
 258     case SDLK_F6: return KEY_F6;
 259     case SDLK_F7: return KEY_F7;
 260     case SDLK_F8: return KEY_F8;
 261     case SDLK_F9: return KEY_F9;
 262     case SDLK_F10: return KEY_F10;
 263     case SDLK_F11: return KEY_F11;
 264     case SDLK_F12: return KEY_F12;
 265     case SDLK_PRINT: return KEY_PRINTSCREEN;
 266     case SDLK_SCROLLOCK: return KEY_SCROLLLOCK;
 267     case SDLK_PAUSE: return KEY_PAUSE;
 268     case SDLK_INSERT: return KEY_INSERT;
 269     case SDLK_HOME: return KEY_HOME;
 270     case SDLK_PAGEUP: return KEY_PAGEUP;
 271     case SDLK_DELETE: return KEY_DELETE;
 272     case SDLK_END: return KEY_END;
 273     case SDLK_PAGEDOWN: return KEY_PAGEDOWN;
 274     case SDLK_RIGHT: return KEY_RIGHT;
 275     case SDLK_LEFT: return KEY_LEFT;
 276     case SDLK_DOWN: return KEY_DOWN;
 277     case SDLK_UP: return KEY_UP;
 278     case SDLK_NUMLOCK: return KEY_NUMLOCK;
 279     case SDLK_KP_DIVIDE: return KEY_KP_DIVIDE;
 280     case SDLK_KP_MULTIPLY: return KEY_KP_MULTIPLY;
 281     case SDLK_KP_MINUS: return KEY_KP_MINUS;
 282     case SDLK_KP_PLUS: return KEY_KP_PLUS;
 283     case SDLK_KP_ENTER: return KEY_KP_ENTER;
 284     case SDLK_KP0: return KEY_KP_0;
 285     case SDLK_KP1: return KEY_KP_1;
 286     case SDLK_KP2: return KEY_KP_2;
 287     case SDLK_KP3: return KEY_KP_3;
 288     case SDLK_KP4: return KEY_KP_4;
 289     case SDLK_KP5: return KEY_KP_5;
 290     case SDLK_KP6: return KEY_KP_6;
 291     case SDLK_KP7: return KEY_KP_7;
 292     case SDLK_KP8: return KEY_KP_8;
 293     case SDLK_KP9: return KEY_KP_9;
 294     case SDLK_KP_PERIOD: return KEY_KP_PERIOD;
 295     case SDLK_SYSREQ: return KEY_SYSREQ;
 296     case SDLK_LCTRL: return KEY_LCTRL;
 297     case SDLK_LSHIFT: return KEY_LSHIFT;
 298     case SDLK_LALT: return KEY_LALT;
 299     case SDLK_LSUPER: return KEY_LSUPER;
 300     case SDLK_RCTRL: return KEY_RCTRL;
 301     case SDLK_RSHIFT: return KEY_RSHIFT;
 302     case SDLK_RALT: return KEY_RALT;
 303     case SDLK_RSUPER: return KEY_RSUPER;
 304     default: return KEY_UNKNOWN;
 305   }
 306 }
 307
 308 static void poll_events (void (*h)(int key, int down)) {
 309   int key;
 310   SDL_Event ev;
 311   while (SDL_PollEvent(&ev)) {
 312     switch (ev.type) {
 313       case SDL_QUIT:
 314         ERR_quit();
 315         break;
 316       case SDL_KEYDOWN:
 317       case SDL_KEYUP:
 318         key = sdl_to_key(ev.key.keysym.sym);
 319         I_press(key, ev.type == SDL_KEYDOWN);
 320         if (h != NULL) {
 321           (*h)(key, ev.type == SDL_KEYDOWN);
 322         }
 323         break;
 324     }
 325   }
 326 }
 327
 328 int main (int argc, char *argv[]) {
 329   char *pw;
 330   Uint32 t, ticks;
 331   logo("main: initialize SDL\n");
 332   if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
 333     logo("main: failed to init SDL: %s\n", SDL_GetError());
 334     return 1;
 335   }
 336   SDL_WM_SetCaption("Doom 2D v1.351", "Doom 2D");
 337   // Player 1 defaults
 338   pl1.ku = KEY_KP_8;
 339   pl1.kd = KEY_KP_5;
 340   pl1.kl = KEY_KP_4;
 341   pl1.kr = KEY_KP_6;
 342   pl1.kf = KEY_PAGEDOWN;
 343   pl1.kj = KEY_DELETE;
 344   pl1.kwl = KEY_HOME;
 345   pl1.kwr = KEY_END;
 346   pl1.kp = KEY_KP_8;
 347   // Player 2 defaults
 348   pl2.ku = KEY_E;
 349   pl2.kd = KEY_D;
 350   pl2.kl = KEY_S;
 351   pl2.kr = KEY_F;
 352   pl2.kf = KEY_A;
 353   pl2.kj = KEY_Q;
 354   pl2.kwl = KEY_1;
 355   pl2.kwr = KEY_2;
 356   pl2.kp = KEY_E;
 357   srand(SDL_GetTicks());
 358   F_startup();
 359 #ifndef WIN32
 360   pw = "/usr/share/doom2d-rembo/doom2d.wad";
 361 #else
 362   pw = "doom2d.wad";
 363 #endif
 364   if (fexists(pw)) {
 365     F_addwad(pw);
 366   } else {
 367     F_addwad("doom2d.wad");
 368   }
 369   CFG_args(argc, argv);
 370   CFG_load();
 371   F_initwads();
 372   M_startup();
 373   F_allocres();
 374   S_init();
 375   S_initmusic();
 376   R_init();
 377   G_init();
 378   ticks = SDL_GetTicks();
 379   while (!quit) {
 380     poll_events(&G_keyf);
 381     S_updatemusic();
 382     t = SDL_GetTicks();
 383     if (t - ticks > DELAY) {
 384       ticks = t;
 385       G_act();
 386     }
 387     R_draw();
 388   }
 389   CFG_save();
 390   R_done();
 391   S_donemusic();
 392   S_done();
 393   M_shutdown();
 394   SDL_Quit();
 395   return 0;
 396 }