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 #if UNIX
  93 void setupUserHomeDirectory()
  94 {
  95         char *userHome = getenv("HOME");
  96
  97         if ((!userHome) || (userHome == NULL))
  98         {
  99                 printf("Couldn't determine user home directory! Exitting.\n");
 100                 exit(1);
 101         }
 102
 103         debug(("User Home = %s\n", userHome));
 104
 105         char dir[PATH_MAX];
 106         strcpy(dir, "");
 107
 108         sprintf(dir, "%s/.parallelrealities", userHome);
 109         if ((mkdir(dir, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH) != 0) && (errno != EEXIST))
 110         {
 111                 printf("Couldn't create required directory '%s'", dir);
 112                 exit(1);
 113         }
 114
 115         sprintf(dir, "%s/.parallelrealities/blobwars", userHome);
 116         if ((mkdir(dir, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH) != 0) && (errno != EEXIST))
 117         {
 118                 printf("Couldn't create required directory '%s'", dir);
 119                 exit(1);
 120         }
 121
 122         char gameSavePath[PATH_MAX];
 123         sprintf(gameSavePath, "%s/.parallelrealities/blobwars/", userHome);
 124         engine.setUserHome(gameSavePath);
 125 }
 126 #endif
 127
 128 bool loadConfig()
 129 {
 130         float version = 0;
 131         int release = 0;
 132         bool rtn = false;
 133
 134         char configPath[PATH_MAX];
 135
 136         sprintf(configPath, "%sconfig", engine.userHomeDirectory);
 137
 138         debug(("Loading Config from %s\n", configPath));
 139
 140         FILE *fp = fopen(configPath, "rb");
 141
 142         if (!fp)
 143         {
 144                 return true;
 145         }
 146
 147         fscanf(fp, "%f %d", &version, &release);
 148
 149         debug(("Version = %.2f - Expected %.2f\n", version, VERSION));
 150         debug(("Release = %d - Expected %d\n", release, RELEASE));
 151
 152         if ((version != VERSION) && (release != RELEASE))
 153         {
 154                 rtn = true;
 155         }
 156
 157         fscanf(fp, "%d %d %d %d %d %d %d", &engine.fullScreen, &game.musicVol, &game.soundVol, &game.output, &game.brightness, &engine.extremeAvailable, &game.gore);
 158
 159         fclose(fp);
 160
 161         debug(("Extreme Mode = %d\n", engine.extremeAvailable));
 162         debug(("Output Type = %d\n", game.output));
 163
 164         // Override audio if there is no sound available
 165         if ((engine.useAudio) && (game.output))
 166         {
 167                 engine.useAudio = game.output;
 168         }
 169
 170         config.loadKeyConfig();
 171         config.loadJoystickConfig();
 172
 173         return rtn;
 174 }
 175
 176 void saveConfig()
 177 {
 178         char configPath[PATH_MAX];
 179
 180         sprintf(configPath, "%sconfig", engine.userHomeDirectory);
 181
 182         FILE *fp = fopen(configPath, "wb");
 183
 184         if (!fp)
 185         {
 186                 printf("Error Saving Config to %s\n", configPath);
 187                 return;
 188         }
 189
 190         fprintf(fp, "%f %d\n", VERSION, RELEASE);
 191         fprintf(fp, "%d %d %d %d %d %d %d\n", engine.fullScreen, game.musicVol, game.soundVol, game.output, game.brightness, engine.extremeAvailable, game.gore);
 192
 193         fclose(fp);
 194
 195         debug(("Output Type = %d\n", game.output));
 196 }
 197
 198 /*
 199 Chugg chugg chugg.... brrr... chugg chugg chugg...brrrrrr... chugg ch..
 200 BRRRRRRRRRRRRRRRRRMMMMMMMMMMMMMMMMMMM!! Well, hopefully anyway! ;)
 201 */
 202 void initSystem()
 203 {
 204         #if UNIX
 205         setupUserHomeDirectory();
 206         #endif
 207
 208         bool displayLicense = loadConfig();
 209
 210         long flags = SDL_INIT_VIDEO|SDL_INIT_JOYSTICK;
 211
 212         if (engine.useAudio)
 213         {
 214                 flags |= SDL_INIT_AUDIO;
 215         }
 216
 217         /* Initialize the SDL library */
 218         if (SDL_Init(flags) < 0)
 219         {
 220                 printf("Couldn't initialize SDL: %s\n", SDL_GetError());
 221                 exit(1);
 222         }
 223
 224         if (!engine.fullScreen)
 225         {
 226                 graphics.screen = SDL_SetVideoMode(640, 480, 0, SDL_HWPALETTE);
 227         }
 228         else
 229         {
 230                 graphics.screen = SDL_SetVideoMode(640, 480, 0, SDL_HWPALETTE | SDL_FULLSCREEN);
 231         }
 232
 233         if (graphics.screen == NULL)
 234         {
 235                 printf("Couldn't set 640x480 video mode: %s\n", SDL_GetError());
 236                 exit(1);
 237         }
 238
 239         // This (attempts to) set the gamma correction. We attempt to catch an error here
 240         // in case someone has done something really stupid in the config file(!!)
 241     if (game.brightness != -1) {
 242         Math::limitInt(&game.brightness, 1, 20);
 243         float brightness = game.brightness;
 244         brightness /= 10;
 245         SDL_SetGamma(brightness, brightness, brightness);
 246     }
 247
 248         if (TTF_Init() < 0)
 249         {
 250                 printf("Couldn't initialize SDL TTF: %s\n", SDL_GetError());
 251                 exit(1);
 252         }
 253
 254         if (engine.useAudio)
 255         {
 256                 if (Mix_OpenAudio(22050, AUDIO_S16, engine.useAudio, 1024) < 0)
 257                 {
 258                         printf("Warning: Couldn't set 22050 Hz 16-bit audio - Reason: %s\n", Mix_GetError());
 259                         printf("Sound and Music will be disabled\n");
 260                         engine.useAudio = 0;
 261                 }
 262         }
 263
 264         debug(("Found %d Joysticks...\n", SDL_NumJoysticks()));
 265
 266         if (SDL_NumJoysticks() > 0)
 267         {
 268                 debug(("Opening Joystick - %s...\n", SDL_JoystickName(0)));
 269                 SDL_JoystickEventState(SDL_ENABLE);
 270                 config.sdlJoystick = SDL_JoystickOpen(0);
 271         }
 272
 273         SDL_ShowCursor(SDL_DISABLE);
 274         SDL_EventState(SDL_MOUSEMOTION, SDL_DISABLE);
 275
 276         graphics.registerEngine(&engine);
 277         graphics.mapColors();
 278
 279         audio.registerEngine(&engine);
 280         audio.setSoundVolume(game.soundVol);
 281         audio.setMusicVolume(game.musicVol);
 282         audio.output = game.output;
 283
 284         debug(("Sound Volume = %d\n", game.soundVol));
 285         debug(("Music Volume = %d\n", game.musicVol));
 286         debug(("Output Type = %d\n", game.output));
 287         debug(("Brightness = %d\n", game.brightness));
 288         debug(("tmp dir = %s\n", engine.userHomeDirectory));
 289         debug(("Pack Dir = %s\n", PAKLOCATION));
 290         debug(("Loading Fonts...\n"));
 291
 292         #if USEPAK
 293
 294                 char tempPath[PATH_MAX];
 295                 sprintf(tempPath, "%sfont.ttf", engine.userHomeDirectory);
 296                 remove(tempPath);
 297
 298                 SDL_Delay(1000); // wait one second, just to be sure!
 299
 300                 if (!engine.unpack("data/vera.ttf", PAK_FONT))
 301                 {
 302                         engine.reportFontFailure();
 303                 }
 304         #endif
 305
 306         debug(("Trying to load correct font pixel sizes using a really half arsed routine!\n"));
 307         debug(("If it crashes then you'll know why!\n"));
 308
 309         graphics.loadFont(0, "data/vera.ttf", 7);
 310         graphics.loadFont(1, "data/vera.ttf", 9);
 311         graphics.loadFont(2, "data/vera.ttf", 11);
 312         graphics.loadFont(3, "data/vera.ttf", 13);
 313         graphics.loadFont(4, "data/vera.ttf", 15);
 314
 315         debug(("Font sizes all loaded!!\n"));
 316
 317         audio.loadSound(SND_CHEAT, "sound/Lock And Load!!!");
 318         audio.loadSound(SND_HIGHLIGHT, "sound/menu.wav");
 319         audio.loadSound(SND_SELECT, "sound/select.wav");
 320
 321         SDL_Surface *device = graphics.loadImage("gfx/main/alienDevice.png");
 322
 323 #ifndef SDL_FRAMEWORK
 324         SDL_WM_SetIcon(device, NULL);
 325 #endif
 326         SDL_WM_SetCaption("Blob Wars : Metal Blob Solid", "Blob Wars");
 327         SDL_EnableKeyRepeat(350, 80);
 328
 329         SDL_FreeSurface(device);
 330
 331         if (strstr(engine.userHomeDirectory, "/root"))
 332         {
 333                 graphics.showRootWarning();
 334         }
 335
 336         if (displayLicense)
 337         {
 338                 showLicense();
 339         }
 340         else
 341         {
 342                 checkForLicense();
 343         }
 344
 345         engine.saveConfig = true;
 346
 347         debug(("Init Complete...\n"));
 348 }
 349
 350 /*
 351 Removes [hopefully] all the resources that has been
 352 loaded and created during the game. This is called by
 353 atexit();
 354 */
 355 void cleanup()
 356 {
 357         char tempPath[PATH_MAX];
 358
 359         debug(("Cleaning Up...\n"));
 360
 361         debug(("Updating Replay Data\n"));
 362         replayData.header.score = game.score;
 363
 364         debug(("Freeing Audio...\n"));
 365         audio.destroy();
 366
 367         debug(("Removing Music...\n"));
 368         sprintf(tempPath, "%smusic.mod", engine.userHomeDirectory);
 369         remove(tempPath);
 370
 371         debug(("Freeing Game Info...\n"));
 372         game.destroy();
 373
 374         debug(("Freeing Map Data...\n"));
 375         map.destroy();
 376
 377         debug(("Freeing Engine Data...\n"));
 378         engine.destroy();
 379
 380         debug(("Freeing Graphics...\n"));
 381         graphics.destroy();
 382
 383         debug(("Saving Config...\n"));
 384         if (engine.saveConfig)
 385         {
 386                 saveConfig();
 387         }
 388
 389         debug(("Removing Font File...\n"));
 390         sprintf(tempPath, "%sfont.ttf", engine.userHomeDirectory);
 391         remove(tempPath);
 392
 393         if (SDL_NumJoysticks() > 0)
 394         {
 395                 SDL_JoystickEventState(SDL_DISABLE);
 396                 for (int i = 0 ; i < SDL_NumJoysticks() ; i++)
 397                 {
 398                         debug(("Closing Joystick #%d - %s...\n", i, SDL_JoystickName(i)));
 399                         SDL_JoystickClose(config.sdlJoystick);
 400                 }
 401         }
 402
 403         debug(("Closing Audio...\n"));
 404         if (engine.useAudio)
 405         {
 406                 Mix_CloseAudio();
 407         }
 408
 409         debug(("Closing TTF...\n"));
 410         TTF_Quit();
 411
 412         debug(("Closing SDL Sub System...\n"));
 413         SDL_Quit();
 414
 415         debug(("All Done.\n"));
 416
 417         if (replayData.replayMode == REPLAY_MODE::PLAYBACK)
 418         {
 419                 printf("\n==== ACTUAL PLAYBACK DATA ====\n");
 420                 replayData.printReplayInformation();
 421         }
 422 }
 423