src/setup.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux -  A Jump'n Run
   4 //  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #include <cassert>
  21 #include <cstdio>
  22 #include <iostream>
  23 #include <cstdio>
  24 #include <cstdlib>
  25 #include <cstring>
  26 #include <cerrno>
  27 #include <unistd.h>
  28
  29 #include "SDL.h"
  30 #include "SDL_image.h"
  31 #ifndef NOOPENGL
  32 #include "SDL_opengl.h"
  33 #endif
  34
  35 #include <sys/stat.h>
  36 #include <sys/types.h>
  37 #include <dirent.h>
  38 #ifndef WIN32
  39 #include <libgen.h>
  40 #endif
  41
  42 #include <cctype>
  43
  44 #include "defines.h"
  45 #include "globals.h"
  46 #include "setup.h"
  47 #include "screen/screen.h"
  48 #include "screen/surface.h"
  49 #include "menu.h"
  50 #include "gameloop.h"
  51 #include "configfile.h"
  52 #include "scene.h"
  53 #include "worldmap.h"
  54 #include "resources.h"
  55 #include "intro.h"
  56 #include "sound_manager.h"
  57 #include "gettext.h"
  58
  59 #include "player.h"
  60
  61 #ifdef WIN32
  62 #define mkdir(dir, mode)    mkdir(dir)
  63 // on win32 we typically don't want LFS paths
  64 #undef DATA_PREFIX
  65 #define DATA_PREFIX "./data/"
  66 #endif
  67
  68 /* Screen proprities: */
  69 /* Don't use this to test for the actual screen sizes. Use screen->w/h instead! */
  70 #define SCREEN_W 800
  71 #define SCREEN_H 600
  72
  73 /* Local function prototypes: */
  74
  75 void seticon(void);
  76 void usage(char * prog, int ret);
  77
  78 /* Does the given file exist and is it accessible? */
  79 int faccessible(const char *filename)
  80 {
  81   struct stat filestat;
  82   if (stat(filename, &filestat) == -1)
  83     {
  84       return false;
  85     }
  86   else
  87     {
  88       if(S_ISREG(filestat.st_mode))
  89         return true;
  90       else
  91         return false;
  92     }
  93 }
  94
  95 /* Can we write to this location? */
  96 int fwriteable(const char *filename)
  97 {
  98   FILE* fi;
  99   fi = fopen(filename, "wa");
 100   if (fi == NULL)
 101     {
 102       return false;
 103     }
 104   return true;
 105 }
 106
 107 /* Makes sure a directory is created in either the SuperTux home directory or the SuperTux base directory.*/
 108 int fcreatedir(const char* relative_dir)
 109 {
 110   char path[1024];
 111   snprintf(path, 1024, "%s/%s/", st_dir, relative_dir);
 112   if(mkdir(path,0755) != 0)
 113     {
 114       snprintf(path, 1024, "%s/%s/", datadir.c_str(), relative_dir);
 115       if(mkdir(path,0755) != 0)
 116         {
 117           return false;
 118         }
 119       else
 120         {
 121           return true;
 122         }
 123     }
 124   else
 125     {
 126       return true;
 127     }
 128 }
 129
 130 FILE * opendata(const char * rel_filename, const char * mode)
 131 {
 132   char * filename = NULL;
 133   FILE * fi;
 134
 135   filename = (char *) malloc(sizeof(char) * (strlen(st_dir) +
 136                                              strlen(rel_filename) + 1));
 137
 138   strcpy(filename, st_dir);
 139   /* Open the high score file: */
 140
 141   strcat(filename, rel_filename);
 142
 143   /* Try opening the file: */
 144   fi = fopen(filename, mode);
 145
 146   if (fi == NULL)
 147     {
 148       fprintf(stderr, "Warning: Unable to open the file \"%s\" ", filename);
 149
 150       if (strcmp(mode, "r") == 0)
 151         fprintf(stderr, "for read!!!\n");
 152       else if (strcmp(mode, "w") == 0)
 153         fprintf(stderr, "for write!!!\n");
 154     }
 155   free( filename );
 156
 157   return(fi);
 158 }
 159
 160 /* Get all names of sub-directories in a certain directory. */
 161 /* Returns the number of sub-directories found. */
 162 /* Note: The user has to free the allocated space. */
 163 string_list_type dsubdirs(const char *rel_path,const  char* expected_file)
 164 {
 165   DIR *dirStructP;
 166   struct dirent *direntp;
 167   string_list_type sdirs;
 168   char filename[1024];
 169   char path[1024];
 170
 171   string_list_init(&sdirs);
 172   sprintf(path,"%s/%s",st_dir,rel_path);
 173   if((dirStructP = opendir(path)) != NULL)
 174     {
 175       while((direntp = readdir(dirStructP)) != NULL)
 176         {
 177           char absolute_filename[1024];
 178           struct stat buf;
 179
 180           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
 181
 182           if (stat(absolute_filename, &buf) == 0 && S_ISDIR(buf.st_mode))
 183             {
 184               if(expected_file != NULL)
 185                 {
 186                   sprintf(filename,"%s/%s/%s",path,direntp->d_name,expected_file);
 187                   if(!faccessible(filename))
 188                     continue;
 189                 }
 190
 191               string_list_add_item(&sdirs,direntp->d_name);
 192             }
 193         }
 194       closedir(dirStructP);
 195     }
 196
 197   sprintf(path,"%s/%s",datadir.c_str(),rel_path);
 198   if((dirStructP = opendir(path)) != NULL)
 199     {
 200       while((direntp = readdir(dirStructP)) != NULL)
 201         {
 202           char absolute_filename[1024];
 203           struct stat buf;
 204
 205           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
 206
 207           if (stat(absolute_filename, &buf) == 0 && S_ISDIR(buf.st_mode))
 208             {
 209               if(expected_file != NULL)
 210                 {
 211                   sprintf(filename,"%s/%s/%s",path,direntp->d_name,expected_file);
 212                   if(!faccessible(filename))
 213                     {
 214                       continue;
 215                     }
 216                   else
 217                     {
 218                       sprintf(filename,"%s/%s/%s/%s",st_dir,rel_path,direntp->d_name,expected_file);
 219                       if(faccessible(filename))
 220                         continue;
 221                     }
 222                 }
 223
 224               string_list_add_item(&sdirs,direntp->d_name);
 225             }
 226         }
 227       closedir(dirStructP);
 228     }
 229
 230   return sdirs;
 231 }
 232
 233 string_list_type dfiles(const char *rel_path, const  char* glob, const  char* exception_str)
 234 {
 235   DIR *dirStructP;
 236   struct dirent *direntp;
 237   string_list_type sdirs;
 238   char path[1024];
 239
 240   string_list_init(&sdirs);
 241   sprintf(path,"%s/%s",st_dir,rel_path);
 242   if((dirStructP = opendir(path)) != NULL)
 243     {
 244       while((direntp = readdir(dirStructP)) != NULL)
 245         {
 246           char absolute_filename[1024];
 247           struct stat buf;
 248
 249           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
 250
 251           if (stat(absolute_filename, &buf) == 0 && S_ISREG(buf.st_mode))
 252             {
 253               if(exception_str != NULL)
 254                 {
 255                   if(strstr(direntp->d_name,exception_str) != NULL)
 256                     continue;
 257                 }
 258               if(glob != NULL)
 259                 if(strstr(direntp->d_name,glob) == NULL)
 260                   continue;
 261
 262               string_list_add_item(&sdirs,direntp->d_name);
 263             }
 264         }
 265       closedir(dirStructP);
 266     }
 267
 268   sprintf(path,"%s/%s",datadir.c_str(),rel_path);
 269   if((dirStructP = opendir(path)) != NULL)
 270     {
 271       while((direntp = readdir(dirStructP)) != NULL)
 272         {
 273           char absolute_filename[1024];
 274           struct stat buf;
 275
 276           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
 277
 278           if (stat(absolute_filename, &buf) == 0 && S_ISREG(buf.st_mode))
 279             {
 280               if(exception_str != NULL)
 281                 {
 282                   if(strstr(direntp->d_name,exception_str) != NULL)
 283                     continue;
 284                 }
 285               if(glob != NULL)
 286                 if(strstr(direntp->d_name,glob) == NULL)
 287                   continue;
 288
 289               string_list_add_item(&sdirs,direntp->d_name);
 290             }
 291         }
 292       closedir(dirStructP);
 293     }
 294
 295   return sdirs;
 296 }
 297
 298 void free_strings(char **strings, int num)
 299 {
 300   int i;
 301   for(i=0; i < num; ++i)
 302     free(strings[i]);
 303 }
 304
 305 /* --- SETUP --- */
 306 /* Set SuperTux configuration and save directories */
 307 void st_directory_setup(void)
 308 {
 309   char *home;
 310   char str[1024];
 311   /* Get home directory (from $HOME variable)... if we can't determine it,
 312      use the current directory ("."): */
 313   if (getenv("HOME") != NULL)
 314     home = getenv("HOME");
 315   else
 316     home = ".";
 317
 318   st_dir = (char *) malloc(sizeof(char) * (strlen(home) +
 319                                            strlen("/.supertux") + 1));
 320   strcpy(st_dir, home);
 321   strcat(st_dir, "/.supertux");
 322
 323   /* Remove .supertux config-file from old SuperTux versions */
 324   if(faccessible(st_dir))
 325     {
 326       remove
 327         (st_dir);
 328     }
 329
 330   st_save_dir = (char *) malloc(sizeof(char) * (strlen(st_dir) + strlen("/save") + 1));
 331
 332   strcpy(st_save_dir,st_dir);
 333   strcat(st_save_dir,"/save");
 334
 335   /* Create them. In the case they exist they won't destroy anything. */
 336   mkdir(st_dir, 0755);
 337   mkdir(st_save_dir, 0755);
 338
 339   sprintf(str, "%s/levels", st_dir);
 340   mkdir(str, 0755);
 341
 342   // User has not that a datadir, so we try some magic
 343   if (datadir.empty())
 344     {
 345 #ifndef WIN32
 346       // Detect datadir
 347       char exe_file[PATH_MAX];
 348       if (readlink("/proc/self/exe", exe_file, PATH_MAX) < 0)
 349         {
 350           puts("Couldn't read /proc/self/exe, using default path: " DATA_PREFIX);
 351           datadir = DATA_PREFIX;
 352         }
 353       else
 354         {
 355           std::string exedir = std::string(dirname(exe_file)) + "/";
 356
 357           datadir = exedir + "../data"; // SuperTux run from source dir
 358           if (access(datadir.c_str(), F_OK) != 0)
 359             {
 360               datadir = exedir + "../share/supertux"; // SuperTux run from PATH
 361               if (access(datadir.c_str(), F_OK) != 0)
 362                 { // If all fails, fall back to compiled path
 363                   datadir = DATA_PREFIX;
 364                 }
 365             }
 366         }
 367 #else
 368   datadir = DATA_PREFIX;
 369 #endif
 370     }
 371   printf("Datadir: %s\n", datadir.c_str());
 372 }
 373
 374 /* Create and setup menus. */
 375 void st_menu(void)
 376 {
 377   main_menu      = new Menu();
 378   options_menu   = new Menu();
 379   options_keys_menu     = new Menu();
 380   options_joystick_menu = new Menu();
 381   load_game_menu = new Menu();
 382   save_game_menu = new Menu();
 383   game_menu      = new Menu();
 384   highscore_menu = new Menu();
 385   contrib_menu   = new Menu();
 386   contrib_subset_menu   = new Menu();
 387   worldmap_menu  = new Menu();
 388
 389   main_menu->set_pos(screen->w/2, 335);
 390   main_menu->additem(MN_GOTO, _("Start Game"),0,load_game_menu, MNID_STARTGAME);
 391   main_menu->additem(MN_GOTO, _("Contrib Levels"),0,contrib_menu, MNID_CONTRIB);
 392   main_menu->additem(MN_GOTO, _("Options"),0,options_menu, MNID_OPTIONMENU);
 393   main_menu->additem(MN_ACTION, _("Level Editor"),0,0, MNID_LEVELEDITOR);
 394   main_menu->additem(MN_ACTION, _("Credits"),0,0, MNID_CREDITS);
 395   main_menu->additem(MN_ACTION, _("Quit"),0,0, MNID_QUITMAINMENU);
 396
 397   options_menu->additem(MN_LABEL,_("Options"),0,0);
 398   options_menu->additem(MN_HL,"",0,0);
 399 #ifndef NOOPENGL
 400   options_menu->additem(MN_TOGGLE,_("OpenGL    "),use_gl,0, MNID_OPENGL);
 401 #else
 402   options_menu->additem(MN_DEACTIVE,_("OpenGL (not supported)"),use_gl, 0, MNID_OPENGL);
 403 #endif
 404   options_menu->additem(MN_TOGGLE,_("Fullscreen"),use_fullscreen,0, MNID_FULLSCREEN);
 405   if(audio_device)
 406     {
 407       options_menu->additem(MN_TOGGLE,_("Sound     "), use_sound,0, MNID_SOUND);
 408       options_menu->additem(MN_TOGGLE,_("Music     "), use_music,0, MNID_MUSIC);
 409     }
 410   else
 411     {
 412       options_menu->additem(MN_DEACTIVE,_("Sound     "), false,0, MNID_SOUND);
 413       options_menu->additem(MN_DEACTIVE,_("Music     "), false,0, MNID_MUSIC);
 414     }
 415   options_menu->additem(MN_TOGGLE,_("Show FPS  "),show_fps,0, MNID_SHOWFPS);
 416   options_menu->additem(MN_GOTO,_("Setup Keys"),0,options_keys_menu);
 417
 418   if(use_joystick)
 419     options_menu->additem(MN_GOTO,_("Setup Joystick"),0,options_joystick_menu);
 420
 421   options_menu->additem(MN_HL,"",0,0);
 422   options_menu->additem(MN_BACK,_("Back"),0,0);
 423
 424   options_keys_menu->additem(MN_LABEL,_("Keyboard Setup"),0,0);
 425   options_keys_menu->additem(MN_HL,"",0,0);
 426   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Left move"), 0,0, 0,&keymap.left);
 427   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Right move"), 0,0, 0,&keymap.right);
 428   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Jump"), 0,0, 0,&keymap.jump);
 429   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Duck"), 0,0, 0,&keymap.duck);
 430   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Activate"), 0, 0, 0,
 431           &keymap.activate);
 432   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Power/Run"), 0,0, 0,&keymap.fire);
 433   options_keys_menu->additem(MN_HL,"",0,0);
 434   options_keys_menu->additem(MN_BACK,_("Back"),0,0);
 435
 436   if(use_joystick)
 437     {
 438     options_joystick_menu->additem(MN_LABEL,_("Joystick Setup"),0,0);
 439     options_joystick_menu->additem(MN_HL,"",0,0);
 440     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"X axis", 0,0, 0,&joystick_keymap.x_axis);
 441     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"Y axis", 0,0, 0,&joystick_keymap.y_axis);
 442     options_joystick_menu->additem(MN_CONTROLFIELD_JS,_("A button"), 0,0, 0,&joystick_keymap.a_button);
 443     options_joystick_menu->additem(MN_CONTROLFIELD_JS,_("B button"), 0,0, 0,&joystick_keymap.b_button);
 444     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"Start", 0,0, 0,&joystick_keymap.start_button);
 445     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"DeadZone", 0,0, 0,&joystick_keymap.dead_zone);
 446     options_joystick_menu->additem(MN_HL,"",0,0);
 447     options_joystick_menu->additem(MN_BACK,_("Back"),0,0);
 448     }
 449
 450   load_game_menu->additem(MN_LABEL,_("Start Game"),0,0);
 451   load_game_menu->additem(MN_HL,"",0,0);
 452   load_game_menu->additem(MN_DEACTIVE,"Slot 1",0,0, 1);
 453   load_game_menu->additem(MN_DEACTIVE,"Slot 2",0,0, 2);
 454   load_game_menu->additem(MN_DEACTIVE,"Slot 3",0,0, 3);
 455   load_game_menu->additem(MN_DEACTIVE,"Slot 4",0,0, 4);
 456   load_game_menu->additem(MN_DEACTIVE,"Slot 5",0,0, 5);
 457   load_game_menu->additem(MN_HL,"",0,0);
 458   load_game_menu->additem(MN_BACK,_("Back"),0,0);
 459
 460   save_game_menu->additem(MN_LABEL,_("Save Game"),0,0);
 461   save_game_menu->additem(MN_HL,"",0,0);
 462   save_game_menu->additem(MN_DEACTIVE,"Slot 1",0,0, 1);
 463   save_game_menu->additem(MN_DEACTIVE,"Slot 2",0,0, 2);
 464   save_game_menu->additem(MN_DEACTIVE,"Slot 3",0,0, 3);
 465   save_game_menu->additem(MN_DEACTIVE,"Slot 4",0,0, 4);
 466   save_game_menu->additem(MN_DEACTIVE,"Slot 5",0,0, 5);
 467   save_game_menu->additem(MN_HL,"",0,0);
 468   save_game_menu->additem(MN_BACK,"Back",0,0);
 469
 470   game_menu->additem(MN_LABEL,_("Pause"),0,0);
 471   game_menu->additem(MN_HL,"",0,0);
 472   game_menu->additem(MN_ACTION,_("Continue"),0,0,MNID_CONTINUE);
 473   game_menu->additem(MN_GOTO,_("Options"),0,options_menu);
 474   game_menu->additem(MN_HL,"",0,0);
 475   game_menu->additem(MN_ACTION,_("Abort Level"),0,0,MNID_ABORTLEVEL);
 476
 477   worldmap_menu->additem(MN_LABEL,_("Pause"),0,0);
 478   worldmap_menu->additem(MN_HL,"",0,0);
 479   worldmap_menu->additem(MN_ACTION,_("Continue"),0,0,MNID_RETURNWORLDMAP);
 480   worldmap_menu->additem(MN_GOTO,_("Options"),0,options_menu);
 481   worldmap_menu->additem(MN_HL,"",0,0);
 482   worldmap_menu->additem(MN_ACTION,_("Quit Game"),0,0,MNID_QUITWORLDMAP);
 483
 484   highscore_menu->additem(MN_TEXTFIELD,_("Enter your name:"),0,0);
 485 }
 486
 487 void update_load_save_game_menu(Menu* pmenu)
 488 {
 489   for(int i = 2; i < 7; ++i)
 490     {
 491       // FIXME: Insert a real savegame struct/class here instead of
 492       // doing string vodoo
 493       std::string tmp = slotinfo(i - 1);
 494       pmenu->item[i].kind = MN_ACTION;
 495       pmenu->item[i].change_text(tmp.c_str());
 496     }
 497 }
 498
 499 bool process_load_game_menu()
 500 {
 501   int slot = load_game_menu->check();
 502
 503   if(slot != -1 && load_game_menu->get_item_by_id(slot).kind == MN_ACTION)
 504     {
 505       char slotfile[1024];
 506       snprintf(slotfile, 1024, "%s/slot%d.stsg", st_save_dir, slot);
 507
 508       if (access(slotfile, F_OK) != 0)
 509         {
 510           draw_intro();
 511         }
 512
 513       // shrink_fade(Point((screen->w/2),(screen->h/2)), 1000);
 514       fadeout(256);
 515       WorldMapNS::WorldMap worldmap;
 516
 517       // Load the game or at least set the savegame_file variable
 518       worldmap.loadgame(slotfile);
 519
 520       worldmap.display();
 521
 522       Menu::set_current(main_menu);
 523
 524       st_pause_ticks_stop();
 525       return true;
 526     }
 527   else
 528     {
 529       return false;
 530     }
 531 }
 532
 533 /* Handle changes made to global settings in the options menu. */
 534 void process_options_menu(void)
 535 {
 536   switch (options_menu->check())
 537     {
 538     case MNID_OPENGL:
 539 #ifndef NOOPENGL
 540       if(use_gl != options_menu->isToggled(MNID_OPENGL))
 541         {
 542           use_gl = !use_gl;
 543           st_video_setup();
 544         }
 545 #else
 546       options_menu->get_item_by_id(MNID_OPENGL).toggled = false;
 547 #endif
 548       break;
 549     case MNID_FULLSCREEN:
 550       if(use_fullscreen != options_menu->isToggled(MNID_FULLSCREEN))
 551         {
 552           use_fullscreen = !use_fullscreen;
 553           st_video_setup();
 554         }
 555       break;
 556     case MNID_SOUND:
 557       if(use_sound != options_menu->isToggled(MNID_SOUND))
 558         use_sound = !use_sound;
 559       break;
 560     case MNID_MUSIC:
 561       if(use_music != options_menu->isToggled(MNID_MUSIC))
 562         {
 563           use_music = !use_music;
 564           sound_manager->enable_music(use_music);
 565         }
 566       break;
 567     case MNID_SHOWFPS:
 568       if(show_fps != options_menu->isToggled(MNID_SHOWFPS))
 569         show_fps = !show_fps;
 570       break;
 571     }
 572 }
 573
 574 void st_general_setup(void)
 575 {
 576   /* Seed random number generator: */
 577
 578   srand(SDL_GetTicks());
 579
 580   /* Set icon image: */
 581
 582   seticon();
 583
 584   /* Unicode needed for input handling: */
 585
 586   SDL_EnableUNICODE(1);
 587
 588   /* Load global images: */
 589   gold_text = new Font(datadir + "/images/fonts/gold.png", Font::TEXT, 16,18);
 590   blue_text = new Font(datadir + "/images/fonts/blue.png", Font::TEXT, 16,18,3);
 591   white_text  = new Font(datadir + "/images/fonts/white.png",
 592       Font::TEXT, 16,18);
 593   white_small_text = new Font(datadir + "/images/fonts/white-small.png",
 594           Font::TEXT, 8,9, 1);
 595   white_big_text   = new Font(datadir + "/images/fonts/white-big.png",
 596       Font::TEXT, 20,22, 3);
 597   yellow_nums = new Font(datadir + "/images/fonts/numbers.png",
 598       Font::NUM, 32,32);
 599
 600   /* Load GUI/menu images: */
 601   checkbox = new Surface(datadir + "/images/status/checkbox.png", USE_ALPHA);
 602   checkbox_checked = new Surface(datadir + "/images/status/checkbox-checked.png", USE_ALPHA);
 603   back = new Surface(datadir + "/images/status/back.png", USE_ALPHA);
 604   arrow_left = new Surface(datadir + "/images/icons/left.png", USE_ALPHA);
 605   arrow_right = new Surface(datadir + "/images/icons/right.png", USE_ALPHA);
 606
 607   /* Load the mouse-cursor */
 608   mouse_cursor = new MouseCursor( datadir + "/images/status/mousecursor.png",1);
 609   MouseCursor::set_current(mouse_cursor);
 610
 611 }
 612
 613 void st_general_free(void)
 614 {
 615
 616   /* Free global images: */
 617   delete gold_text;
 618   delete white_text;
 619   delete blue_text;
 620   delete white_small_text;
 621   delete white_big_text;
 622   delete yellow_nums;
 623
 624   /* Free GUI/menu images: */
 625   delete checkbox;
 626   delete checkbox_checked;
 627   delete back;
 628   delete arrow_left;
 629   delete arrow_right;
 630
 631   /* Free mouse-cursor */
 632   delete mouse_cursor;
 633
 634   /* Free menus */
 635   delete main_menu;
 636   delete game_menu;
 637   delete options_menu;
 638   delete options_keys_menu;
 639   delete options_joystick_menu;
 640   delete highscore_menu;
 641   delete contrib_menu;
 642   delete contrib_subset_menu;
 643   delete worldmap_menu;
 644   delete save_game_menu;
 645   delete load_game_menu;
 646 }
 647
 648 void st_video_setup(void)
 649 {
 650   /* Init SDL Video: */
 651   if (SDL_Init(SDL_INIT_VIDEO) < 0)
 652     {
 653       fprintf(stderr,
 654               "\nError: I could not initialize video!\n"
 655               "The Simple DirectMedia error that occured was:\n"
 656               "%s\n\n", SDL_GetError());
 657       exit(1);
 658     }
 659
 660   /* Open display: */
 661   if(use_gl)
 662     st_video_setup_gl();
 663   else
 664     st_video_setup_sdl();
 665
 666   Surface::reload_all();
 667
 668   /* Set window manager stuff: */
 669   SDL_WM_SetCaption("SuperTux " VERSION, "SuperTux");
 670 }
 671
 672 void st_video_setup_sdl(void)
 673 {
 674   if (use_fullscreen)
 675     {
 676       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_FULLSCREEN ) ; /* | SDL_HWSURFACE); */
 677       if (screen == NULL)
 678         {
 679           fprintf(stderr,
 680                   "\nWarning: I could not set up fullscreen video for "
 681                   "640x480 mode.\n"
 682                   "The Simple DirectMedia error that occured was:\n"
 683                   "%s\n\n", SDL_GetError());
 684           use_fullscreen = false;
 685         }
 686     }
 687   else
 688     {
 689       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_HWSURFACE | SDL_DOUBLEBUF );
 690
 691       if (screen == NULL)
 692         {
 693           fprintf(stderr,
 694                   "\nError: I could not set up video for 640x480 mode.\n"
 695                   "The Simple DirectMedia error that occured was:\n"
 696                   "%s\n\n", SDL_GetError());
 697           exit(1);
 698         }
 699     }
 700 }
 701
 702 void st_video_setup_gl(void)
 703 {
 704 #ifndef NOOPENGL
 705
 706   SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
 707   SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
 708   SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
 709   SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
 710   SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 711
 712   if (use_fullscreen)
 713     {
 714       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_FULLSCREEN | SDL_OPENGL) ; /* | SDL_HWSURFACE); */
 715       if (screen == NULL)
 716         {
 717           fprintf(stderr,
 718                   "\nWarning: I could not set up fullscreen video for "
 719                   "640x480 mode.\n"
 720                   "The Simple DirectMedia error that occured was:\n"
 721                   "%s\n\n", SDL_GetError());
 722           use_fullscreen = false;
 723         }
 724     }
 725   else
 726     {
 727       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_OPENGL);
 728
 729       if (screen == NULL)
 730         {
 731           fprintf(stderr,
 732                   "\nError: I could not set up video for 640x480 mode.\n"
 733                   "The Simple DirectMedia error that occured was:\n"
 734                   "%s\n\n", SDL_GetError());
 735           exit(1);
 736         }
 737     }
 738
 739   /*
 740    * Set up OpenGL for 2D rendering.
 741    */
 742   glDisable(GL_DEPTH_TEST);
 743   glDisable(GL_CULL_FACE);
 744
 745   glViewport(0, 0, screen->w, screen->h);
 746   glMatrixMode(GL_PROJECTION);
 747   glLoadIdentity();
 748   glOrtho(0, screen->w, screen->h, 0, -1.0, 1.0);
 749
 750   glMatrixMode(GL_MODELVIEW);
 751   glLoadIdentity();
 752   glTranslatef(0.0f, 0.0f, 0.0f);
 753
 754 #endif
 755
 756 }
 757
 758 void st_joystick_setup(void)
 759 {
 760
 761   /* Init Joystick: */
 762
 763   use_joystick = true;
 764
 765   if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
 766     {
 767       fprintf(stderr, "Warning: I could not initialize joystick!\n"
 768               "The Simple DirectMedia error that occured was:\n"
 769               "%s\n\n", SDL_GetError());
 770
 771       use_joystick = false;
 772     }
 773   else
 774     {
 775       /* Open joystick: */
 776       if (SDL_NumJoysticks() <= 0)
 777         {
 778           fprintf(stderr, "Warning: No joysticks are available.\n");
 779
 780           use_joystick = false;
 781         }
 782       else
 783         {
 784           js = SDL_JoystickOpen(joystick_num);
 785
 786           if (js == NULL)
 787             {
 788               fprintf(stderr, "Warning: Could not open joystick %d.\n"
 789                       "The Simple DirectMedia error that occured was:\n"
 790                       "%s\n\n", joystick_num, SDL_GetError());
 791
 792               use_joystick = false;
 793             }
 794           else
 795             {
 796               if (SDL_JoystickNumAxes(js) < 2)
 797                 {
 798                   fprintf(stderr,
 799                           "Warning: Joystick does not have enough axes!\n");
 800
 801                   use_joystick = false;
 802                 }
 803               else
 804                 {
 805                   if (SDL_JoystickNumButtons(js) < 2)
 806                     {
 807                       fprintf(stderr,
 808                               "Warning: "
 809                               "Joystick does not have enough buttons!\n");
 810
 811                       use_joystick = false;
 812                     }
 813                 }
 814             }
 815         }
 816     }
 817 }
 818
 819 void st_audio_setup(void)
 820 {
 821
 822   /* Init SDL Audio silently even if --disable-sound : */
 823
 824   if (audio_device)
 825     {
 826       if (SDL_Init(SDL_INIT_AUDIO) < 0)
 827         {
 828           /* only print out message if sound or music
 829              was not disabled at command-line
 830            */
 831           if (use_sound || use_music)
 832             {
 833               fprintf(stderr,
 834                       "\nWarning: I could not initialize audio!\n"
 835                       "The Simple DirectMedia error that occured was:\n"
 836                       "%s\n\n", SDL_GetError());
 837             }
 838           /* keep the programming logic the same :-)
 839              because in this case, use_sound & use_music' values are ignored
 840              when there's no available audio device
 841           */
 842           use_sound = false;
 843           use_music = false;
 844           audio_device = false;
 845         }
 846     }
 847
 848
 849   /* Open sound silently regarless the value of "use_sound": */
 850
 851   if (audio_device)
 852     {
 853       if (open_audio(44100, AUDIO_S16, 2, 2048) < 0)
 854         {
 855           /* only print out message if sound or music
 856              was not disabled at command-line
 857            */
 858           if (use_sound || use_music)
 859             {
 860               fprintf(stderr,
 861                       "\nWarning: I could not set up audio for 44100 Hz "
 862                       "16-bit stereo.\n"
 863                       "The Simple DirectMedia error that occured was:\n"
 864                       "%s\n\n", SDL_GetError());
 865             }
 866           use_sound = false;
 867           use_music = false;
 868           audio_device = false;
 869         }
 870     }
 871
 872 }
 873
 874
 875 /* --- SHUTDOWN --- */
 876
 877 void st_shutdown(void)
 878 {
 879   close_audio();
 880   SDL_Quit();
 881   saveconfig();
 882 }
 883
 884 /* --- ABORT! --- */
 885
 886 void st_abort(const std::string& reason, const std::string& details)
 887 {
 888   fprintf(stderr, "\nError: %s\n%s\n\n", reason.c_str(), details.c_str());
 889   st_shutdown();
 890   abort();
 891 }
 892
 893 /* Set Icon (private) */
 894
 895 void seticon(void)
 896 {
 897 //  int masklen;
 898 //  Uint8 * mask;
 899   SDL_Surface * icon;
 900
 901
 902   /* Load icon into a surface: */
 903
 904   icon = IMG_Load((datadir + "/images/supertux.xpm").c_str());
 905   if (icon == NULL)
 906     {
 907       fprintf(stderr,
 908               "\nError: I could not load the icon image: %s%s\n"
 909               "The Simple DirectMedia error that occured was:\n"
 910               "%s\n\n", datadir.c_str(), "/images/supertux.xpm", SDL_GetError());
 911       exit(1);
 912     }
 913
 914
 915   /* Create mask: */
 916 /*
 917   masklen = (((icon -> w) + 7) / 8) * (icon -> h);
 918   mask = (Uint8*) malloc(masklen * sizeof(Uint8));
 919   memset(mask, 0xFF, masklen);
 920 */
 921
 922   /* Set icon: */
 923
 924   SDL_WM_SetIcon(icon, NULL);//mask);
 925
 926
 927   /* Free icon surface & mask: */
 928
 929 //  free(mask);
 930   SDL_FreeSurface(icon);
 931 }
 932
 933
 934 /* Parse command-line arguments: */
 935
 936 void parseargs(int argc, char * argv[])
 937 {
 938   int i;
 939
 940   loadconfig();
 941
 942   /* Parse arguments: */
 943
 944   for (i = 1; i < argc; i++)
 945     {
 946       if (strcmp(argv[i], "--fullscreen") == 0 ||
 947           strcmp(argv[i], "-f") == 0)
 948         {
 949           use_fullscreen = true;
 950         }
 951       else if (strcmp(argv[i], "--window") == 0 ||
 952                strcmp(argv[i], "-w") == 0)
 953         {
 954           use_fullscreen = false;
 955         }
 956       else if (strcmp(argv[i], "--joystick") == 0 || strcmp(argv[i], "-j") == 0)
 957         {
 958           assert(i+1 < argc);
 959           joystick_num = atoi(argv[++i]);
 960         }
 961       else if (strcmp(argv[i], "--joymap") == 0)
 962         {
 963           assert(i+1 < argc);
 964           if (sscanf(argv[++i],
 965                      "%d:%d:%d:%d:%d",
 966                      &joystick_keymap.x_axis,
 967                      &joystick_keymap.y_axis,
 968                      &joystick_keymap.a_button,
 969                      &joystick_keymap.b_button,
 970                      &joystick_keymap.start_button) != 5)
 971             {
 972               puts("Warning: Invalid or incomplete joymap, should be: 'XAXIS:YAXIS:A:B:START'");
 973             }
 974           else
 975             {
 976               std::cout << "Using new joymap:\n"
 977                         << "  X-Axis:       " << joystick_keymap.x_axis << "\n"
 978                         << "  Y-Axis:       " << joystick_keymap.y_axis << "\n"
 979                         << "  A-Button:     " << joystick_keymap.a_button << "\n"
 980                         << "  B-Button:     " << joystick_keymap.b_button << "\n"
 981                         << "  Start-Button: " << joystick_keymap.start_button << std::endl;
 982             }
 983         }
 984       else if (strcmp(argv[i], "--leveleditor") == 0)
 985         {
 986           launch_leveleditor_mode = true;
 987         }
 988       else if (strcmp(argv[i], "--datadir") == 0
 989                || strcmp(argv[i], "-d") == 0 )
 990         {
 991           assert(i+1 < argc);
 992           datadir = argv[++i];
 993         }
 994       else if (strcmp(argv[i], "--show-fps") == 0)
 995         {
 996           /* Use full screen: */
 997
 998           show_fps = true;
 999         }
1000       else if (strcmp(argv[i], "--opengl") == 0 ||
1001                strcmp(argv[i], "-gl") == 0)
1002         {
1003 #ifndef NOOPENGL
1004           /* Use OpengGL: */
1005
1006           use_gl = true;
1007 #endif
1008         }
1009       else if (strcmp(argv[i], "--sdl") == 0)
1010           {
1011             use_gl = false;
1012           }
1013       else if (strcmp(argv[i], "--usage") == 0)
1014         {
1015           /* Show usage: */
1016
1017           usage(argv[0], 0);
1018         }
1019       else if (strcmp(argv[i], "--version") == 0)
1020         {
1021           /* Show version: */
1022           printf("SuperTux " VERSION "\n");
1023           exit(0);
1024         }
1025       else if (strcmp(argv[i], "--disable-sound") == 0)
1026         {
1027           /* Disable the compiled in sound feature */
1028           printf("Sounds disabled \n");
1029           use_sound = false;
1030           audio_device = false;
1031         }
1032       else if (strcmp(argv[i], "--disable-music") == 0)
1033         {
1034           /* Disable the compiled in sound feature */
1035           printf("Music disabled \n");
1036           use_music = false;
1037         }
1038       else if (strcmp(argv[i], "--debug-mode") == 0)
1039         {
1040           /* Enable the debug-mode */
1041           debug_mode = true;
1042
1043         }
1044       else if (strcmp(argv[i], "--help") == 0)
1045         {     /* Show help: */
1046           puts(_("  SuperTux  " VERSION "\n"
1047                "  Please see the file \"README.txt\" for more details.\n"));
1048           printf(_("Usage: %s [OPTIONS] FILENAME\n\n"), argv[0]);
1049           puts(_("Display Options:\n"
1050                "  -f, --fullscreen    Run in fullscreen mode.\n"
1051                "  -w, --window        Run in window mode.\n"
1052                "  --opengl            If OpenGL support was compiled in, this will tell\n"
1053                "                      SuperTux to make use of it.\n"
1054                "  --sdl               Use the SDL software graphical renderer\n"
1055                "\n"
1056                "Sound Options:\n"
1057                "  --disable-sound     If sound support was compiled in,  this will\n"
1058                "                      disable sound for this session of the game.\n"
1059                "  --disable-music     Like above, but this will disable music.\n"
1060                "\n"
1061                "Misc Options:\n"
1062                "  -j, --joystick NUM  Use joystick NUM (default: 0)\n"
1063                "  --joymap XAXIS:YAXIS:A:B:START\n"
1064                "                      Define how joystick buttons and axis should be mapped\n"
1065                "  --leveleditor       Opens the leveleditor in a file. (Only works when a file is provided.)\n"
1066                "  -d, --datadir DIR   Load Game data from DIR (default: automatic)\n"
1067                "  --debug-mode        Enables the debug-mode, which is useful for developers.\n"
1068                "  --help              Display a help message summarizing command-line\n"
1069                "                      options, license and game controls.\n"
1070                "  --usage             Display a brief message summarizing command-line options.\n"
1071                "  --version           Display the version of SuperTux you're running.\n\n"
1072                ));
1073           exit(0);
1074         }
1075       else if (argv[i][0] != '-')
1076         {
1077           level_startup_file = argv[i];
1078         }
1079       else
1080         {
1081           /* Unknown - complain! */
1082
1083           usage(argv[0], 1);
1084         }
1085     }
1086 }
1087
1088
1089 /* Display usage: */
1090
1091 void usage(char * prog, int ret)
1092 {
1093   FILE * fi;
1094
1095
1096   /* Determine which stream to write to: */
1097
1098   if (ret == 0)
1099     fi = stdout;
1100   else
1101     fi = stderr;
1102
1103
1104   /* Display the usage message: */
1105
1106   fprintf(fi, _("Usage: %s [--fullscreen] [--opengl] [--disable-sound] [--disable-music] [--debug-mode] | [--usage | --help | --version] [--leveleditor] FILENAME\n"),
1107           prog);
1108
1109
1110   /* Quit! */
1111
1112   exit(ret);
1113 }
1114
1115 std::vector<std::string> read_directory(const std::string& pathname)
1116 {
1117   std::vector<std::string> dirnames;
1118
1119   DIR* dir = opendir(pathname.c_str());
1120   if (dir)
1121     {
1122       struct dirent *direntp;
1123
1124       while((direntp = readdir(dir)))
1125         {
1126           dirnames.push_back(direntp->d_name);
1127         }
1128
1129       closedir(dir);
1130     }
1131
1132   return dirnames;
1133 }
1134
1135 /* EOF */