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