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