src/init.cpp

   1 /*
   2 Copyright (C) 2004 Parallel Realities
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "init.h"
  22
  23 void checkForLicense()
  24 {
  25         if (!engine.loadData(_("data/LICENSE")))
  26         {
  27                 graphics.showLicenseErrorAndExit();
  28         }
  29 }
  30
  31 /*
  32 Show the GNU Public License the first time the game is played. Waits 4 seconds
  33 and then proceeds. THIS MUST NOT BE REMOVED!!!!!
  34 */
  35 void showLicense()
  36 {
  37         SDL_FillRect(graphics.screen, NULL, graphics.black);
  38         graphics.delay(1000);
  39
  40         SDL_FillRect(graphics.screen, NULL, graphics.black);
  41         SDL_Surface *pic = graphics.loadImage("gfx/main/licensePic.png");
  42         graphics.blit(pic, 0, 0, graphics.screen, false);
  43         SDL_FreeSurface(pic);
  44
  45         checkForLicense();
  46
  47         char line[255];
  48         int y = 0;
  49
  50         char *token = strtok((char*)engine.dataBuffer, "\n");
  51
  52         while (true)
  53         {
  54                 sscanf(token, "%d %[^\n\r]", &y, line);
  55
  56                 if (y == -1)
  57                 {
  58                         break;
  59                 }
  60
  61                 graphics.drawString(line, 320, y, true, graphics.screen);
  62
  63                 token = strtok(NULL, "\n");
  64
  65                 if (token == NULL)
  66                 {
  67                         break;
  68                 }
  69         }
  70
  71         graphics.delay(4000);
  72
  73         graphics.drawString(_("Press Space to Continue..."), 320, 440, true, graphics.screen);
  74
  75         engine.flushInput();
  76         engine.clearInput();
  77
  78         while (true)
  79         {
  80                 graphics.updateScreen();
  81                 engine.getInput();
  82                 config.populate();
  83                 if (engine.keyState[SDLK_SPACE])
  84                         break;
  85                 SDL_Delay(16);
  86         }
  87
  88         SDL_FillRect(graphics.screen, NULL, graphics.black);
  89         graphics.delay(1000);
  90 }
  91
  92 /*
  93 This bit is just for Linux and Unix users. It attempts to get the user's
  94 home directory, then creates the .parallelrealities and .parallelrealities/blobwars
  95 directories so that saves and temporary data files can be written there. Good, eh? :)
  96 */
  97 #if UNIX
  98 void setupUserHomeDirectory()
  99 {
 100         char *userHome;
 101
 102         char *name = getlogin();
 103
 104         passwd *pass;
 105
 106         if (name != NULL)
 107         {
 108                 pass = getpwnam(name);
 109         }
 110         else
 111         {
 112                 pass = getpwuid(geteuid());
 113         }
 114
 115         if (pass == NULL)
 116         {
 117                 printf("Couldn't determine the user home directory. Exitting.\n");
 118                 exit(1);
 119         }
 120
 121         userHome = pass->pw_dir;
 122
 123         debug(("User Home = %s\n", userHome));
 124
 125         char dir[PATH_MAX];
 126         strcpy(dir, "");
 127
 128         sprintf(dir, "%s/.parallelrealities", userHome);
 129         if ((mkdir(dir, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH) != 0) && (errno != EEXIST))
 130         {
 131                 printf("Couldn't create required directory '%s'", dir);
 132                 exit(1);
 133         }
 134
 135         sprintf(dir, "%s/.parallelrealities/blobwars", userHome);
 136         if ((mkdir(dir, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH) != 0) && (errno != EEXIST))
 137         {
 138                 printf("Couldn't create required directory '%s'", dir);
 139                 exit(1);
 140         }
 141
 142         char gameSavePath[PATH_MAX];
 143         sprintf(gameSavePath, "%s/.parallelrealities/blobwars/", userHome);
 144         engine.setUserHome(gameSavePath);
 145 }
 146
 147 #endif
 148
 149 bool loadConfig()
 150 {
 151         float version = 0;
 152         int release = 0;
 153         bool rtn = false;
 154
 155         char configPath[PATH_MAX];
 156
 157         sprintf(configPath, "%sconfig", engine.userHomeDirectory);
 158
 159         debug(("Loading Config from %s\n", configPath));
 160
 161         FILE *fp = fopen(configPath, "rb");
 162
 163         if (!fp)
 164         {
 165                 return true;
 166         }
 167
 168         fscanf(fp, "%f %d", &version, &release);
 169
 170         debug(("Version = %.2f - Expected %.2f\n", version, VERSION));
 171         debug(("Release = %d - Expected %d\n", release, RELEASE));
 172
 173         if ((version != VERSION) && (release != RELEASE))
 174         {
 175                 rtn = true;
 176         }
 177
 178         fscanf(fp, "%d %d %d %d %d %d %d", &engine.fullScreen, &game.musicVol, &game.soundVol, &game.output, &game.brightness, &engine.extremeAvailable, &game.gore);
 179
 180         fclose(fp);
 181
 182         debug(("Extreme Mode = %d\n", engine.extremeAvailable));
 183         debug(("Output Type = %d\n", game.output));
 184
 185         // Override audio if there is no sound available
 186         if ((engine.useAudio) && (game.output))
 187         {
 188                 engine.useAudio = game.output;
 189         }
 190
 191         config.loadKeyConfig();
 192         config.loadJoystickConfig();
 193
 194         return rtn;
 195 }
 196
 197 void saveConfig()
 198 {
 199         char configPath[PATH_MAX];
 200
 201         sprintf(configPath, "%sconfig", engine.userHomeDirectory);
 202
 203         FILE *fp = fopen(configPath, "wb");
 204
 205         if (!fp)
 206         {
 207                 printf("Error Saving Config to %s\n", configPath);
 208                 return;
 209         }
 210
 211         fprintf(fp, "%f %d\n", VERSION, RELEASE);
 212         fprintf(fp, "%d %d %d %d %d %d %d\n", engine.fullScreen, game.musicVol, game.soundVol, game.output, game.brightness, engine.extremeAvailable, game.gore);
 213
 214         fclose(fp);
 215
 216         debug(("Output Type = %d\n", game.output));
 217 }
 218
 219 /*
 220 Chugg chugg chugg.... brrr... chugg chugg chugg...brrrrrr... chugg ch..
 221 BRRRRRRRRRRRRRRRRRMMMMMMMMMMMMMMMMMMM!! Well, hopefully anyway! ;)
 222 */
 223 void initSystem()
 224 {
 225         #if UNIX
 226                 setupUserHomeDirectory();
 227         #endif
 228
 229         bool displayLicense = loadConfig();
 230
 231         long flags = SDL_INIT_VIDEO|SDL_INIT_JOYSTICK;
 232
 233         if (engine.useAudio)
 234         {
 235                 flags |= SDL_INIT_AUDIO;
 236         }
 237
 238         /* Initialize the SDL library */
 239         if (SDL_Init(flags) < 0)
 240         {
 241                 printf("Couldn't initialize SDL: %s\n", SDL_GetError());
 242                 exit(1);
 243         }
 244
 245         if (!engine.fullScreen)
 246         {
 247                 graphics.screen = SDL_SetVideoMode(640, 480, 0, SDL_HWPALETTE);
 248         }
 249         else
 250         {
 251                 graphics.screen = SDL_SetVideoMode(640, 480, 0, SDL_HWPALETTE | SDL_FULLSCREEN);
 252         }
 253
 254         if (graphics.screen == NULL)
 255         {
 256                 printf("Couldn't set 640x480 video mode: %s\n", SDL_GetError());
 257                 exit(1);
 258         }
 259
 260         // This (attempts to) set the gamma correction. We attempt to catch an error here
 261         // in case someone has done something really stupid in the config file(!!)
 262     if (game.brightness != -1) {
 263         Math::limitInt(&game.brightness, 1, 20);
 264         float brightness = game.brightness;
 265         brightness /= 10;
 266 #if SDL_SETGAMMARAMP_CHECKS_FOR_A_NULL_PALETTE
 267         SDL_SetGamma(brightness, brightness, brightness);
 268 #endif
 269     }
 270
 271         if (TTF_Init() < 0)
 272         {
 273                 printf("Couldn't initialize SDL TTF: %s\n", SDL_GetError());
 274                 exit(1);
 275         }
 276
 277         if (engine.useAudio)
 278         {
 279                 if (Mix_OpenAudio(22050, AUDIO_S16, engine.useAudio, 1024) < 0)
 280                 {
 281                         printf("Warning: Couldn't set 22050 Hz 16-bit audio - Reason: %s\n", Mix_GetError());
 282                         printf("Sound and Music will be disabled\n");
 283                         engine.useAudio = 0;
 284                 }
 285         }
 286
 287         debug(("Found %d Joysticks...\n", SDL_NumJoysticks()));
 288
 289         if (SDL_NumJoysticks() > 0)
 290         {
 291                 debug(("Opening Joystick - %s...\n", SDL_JoystickName(0)));
 292                 SDL_JoystickEventState(SDL_ENABLE);
 293                 config.sdlJoystick = SDL_JoystickOpen(0);
 294         }
 295
 296         SDL_ShowCursor(SDL_DISABLE);
 297         SDL_EventState(SDL_MOUSEMOTION, SDL_DISABLE);
 298
 299         graphics.registerEngine(&engine);
 300         graphics.mapColors();
 301
 302         audio.registerEngine(&engine);
 303         audio.setSoundVolume(game.soundVol);
 304         audio.setMusicVolume(game.musicVol);
 305         audio.output = game.output;
 306
 307         debug(("Sound Volume = %d\n", game.soundVol));
 308         debug(("Music Volume = %d\n", game.musicVol));
 309         debug(("Output Type = %d\n", game.output));
 310         debug(("Brightness = %d\n", game.brightness));
 311         debug(("tmp dir = %s\n", engine.userHomeDirectory));
 312         debug(("Pack Dir = %s\n", PAKLOCATION));
 313         debug(("Loading Fonts...\n"));
 314
 315         #if USEPAK
 316
 317                 char tempPath[PATH_MAX];
 318                 sprintf(tempPath, "%sfont.ttf", engine.userHomeDirectory);
 319                 remove(tempPath);
 320
 321                 SDL_Delay(1000); // wait one second, just to be sure!
 322
 323                 if (!engine.unpack("data/vera.ttf", PAK_FONT))
 324                 {
 325                         engine.reportFontFailure();
 326                 }
 327         #endif
 328
 329         debug(("Trying to load correct font pixel sizes using a really half arsed routine!\n"));
 330         debug(("If it crashes then you'll know why!\n"));
 331
 332         graphics.loadFont(0, "data/vera.ttf", 7);
 333         graphics.loadFont(1, "data/vera.ttf", 9);
 334         graphics.loadFont(2, "data/vera.ttf", 11);
 335         graphics.loadFont(3, "data/vera.ttf", 13);
 336         graphics.loadFont(4, "data/vera.ttf", 15);
 337
 338         debug(("Font sizes all loaded!!\n"));
 339
 340         audio.loadSound(SND_CHEAT, "sound/Lock And Load!!!");
 341         audio.loadSound(SND_HIGHLIGHT, "sound/menu.wav");
 342         audio.loadSound(SND_SELECT, "sound/select.wav");
 343
 344         SDL_Surface *device = graphics.loadImage("gfx/main/alienDevice.png");
 345
 346 #ifndef SDL_FRAMEWORK
 347         SDL_WM_SetIcon(device, NULL);
 348 #endif
 349         SDL_WM_SetCaption("Blob Wars : Metal Blob Solid", "Blob Wars");
 350         SDL_EnableKeyRepeat(350, 80);
 351
 352         SDL_FreeSurface(device);
 353
 354         if (strstr(engine.userHomeDirectory, "/root"))
 355         {
 356                 graphics.showRootWarning();
 357         }
 358
 359         if (displayLicense)
 360         {
 361                 showLicense();
 362         }
 363         else
 364         {
 365                 checkForLicense();
 366         }
 367
 368         engine.saveConfig = true;
 369
 370         debug(("Init Complete...\n"));
 371 }
 372
 373 /*
 374 Removes [hopefully] all the resources that has been
 375 loaded and created during the game. This is called by
 376 atexit();
 377 */
 378 void cleanup()
 379 {
 380         char tempPath[PATH_MAX];
 381
 382         debug(("Cleaning Up...\n"));
 383
 384         debug(("Updating Replay Data"));
 385         replayData.header.score = game.score;
 386
 387         debug(("Freeing Audio...\n"));
 388         audio.destroy();
 389
 390         debug(("Removing Music...\n"));
 391         sprintf(tempPath, "%smusic.mod", engine.userHomeDirectory);
 392         remove(tempPath);
 393
 394         debug(("Freeing Game Info...\n"));
 395         game.destroy();
 396
 397         debug(("Freeing Map Data...\n"));
 398         map.destroy();
 399
 400         debug(("Freeing Engine Data...\n"));
 401         engine.destroy();
 402
 403         debug(("Freeing Graphics...\n"));
 404         graphics.destroy();
 405
 406         debug(("Saving Config...\n"));
 407         if (engine.saveConfig)
 408         {
 409                 saveConfig();
 410         }
 411
 412         debug(("Removing Font File...\n"));
 413         sprintf(tempPath, "%sfont.ttf", engine.userHomeDirectory);
 414         remove(tempPath);
 415
 416         if (SDL_NumJoysticks() > 0)
 417         {
 418                 SDL_JoystickEventState(SDL_DISABLE);
 419                 for (int i = 0 ; i < SDL_NumJoysticks() ; i++)
 420                 {
 421                         debug(("Closing Joystick #%d - %s...\n", i, SDL_JoystickName(i)));
 422                         SDL_JoystickClose(config.sdlJoystick);
 423                 }
 424         }
 425
 426         debug(("Closing Audio...\n"));
 427         if (engine.useAudio)
 428         {
 429                 Mix_CloseAudio();
 430         }
 431
 432         debug(("Closing TTF...\n"));
 433         TTF_Quit();
 434
 435         debug(("Closing SDL Sub System...\n"));
 436         SDL_Quit();
 437
 438         debug(("All Done.\n"));
 439
 440         if (replayData.replayMode == REPLAY_MODE::PLAYBACK)
 441         {
 442                 printf("\n==== ACTUAL PLAYBACK DATA ====\n");
 443                 replayData.printReplayInformation();
 444         }
 445 }
 446