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.h"
  46 #include "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 "music_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 640
  68 #define SCREEN_H 480
  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,"Left move", 0,0, 0,&keymap.left);
 424   options_keys_menu->additem(MN_CONTROLFIELD,"Right move", 0,0, 0,&keymap.right);
 425   options_keys_menu->additem(MN_CONTROLFIELD,"Jump", 0,0, 0,&keymap.jump);
 426   options_keys_menu->additem(MN_CONTROLFIELD,"Duck", 0,0, 0,&keymap.duck);
 427   options_keys_menu->additem(MN_CONTROLFIELD,"Power/Run", 0,0, 0,&keymap.fire);
 428   options_keys_menu->additem(MN_HL,"",0,0);
 429   options_keys_menu->additem(MN_BACK,"Back",0,0);
 430
 431   if(use_joystick)
 432     {
 433     options_joystick_menu->additem(MN_LABEL,"Joystick Setup",0,0);
 434     options_joystick_menu->additem(MN_HL,"",0,0);
 435     options_joystick_menu->additem(MN_CONTROLFIELD,"X axis", 0,0, 0,&joystick_keymap.x_axis);
 436     options_joystick_menu->additem(MN_CONTROLFIELD,"Y axis", 0,0, 0,&joystick_keymap.y_axis);
 437     options_joystick_menu->additem(MN_CONTROLFIELD,"A button", 0,0, 0,&joystick_keymap.a_button);
 438     options_joystick_menu->additem(MN_CONTROLFIELD,"B button", 0,0, 0,&joystick_keymap.b_button);
 439     options_joystick_menu->additem(MN_CONTROLFIELD,"Start", 0,0, 0,&joystick_keymap.start_button);
 440     options_joystick_menu->additem(MN_CONTROLFIELD,"DeadZone", 0,0, 0,&joystick_keymap.dead_zone);
 441     options_joystick_menu->additem(MN_HL,"",0,0);
 442     options_joystick_menu->additem(MN_BACK,"Back",0,0);
 443     }
 444
 445   load_game_menu->additem(MN_LABEL,"Start Game",0,0);
 446   load_game_menu->additem(MN_HL,"",0,0);
 447   load_game_menu->additem(MN_DEACTIVE,"Slot 1",0,0, 1);
 448   load_game_menu->additem(MN_DEACTIVE,"Slot 2",0,0, 2);
 449   load_game_menu->additem(MN_DEACTIVE,"Slot 3",0,0, 3);
 450   load_game_menu->additem(MN_DEACTIVE,"Slot 4",0,0, 4);
 451   load_game_menu->additem(MN_DEACTIVE,"Slot 5",0,0, 5);
 452   load_game_menu->additem(MN_HL,"",0,0);
 453   load_game_menu->additem(MN_BACK,"Back",0,0);
 454
 455   save_game_menu->additem(MN_LABEL,"Save Game",0,0);
 456   save_game_menu->additem(MN_HL,"",0,0);
 457   save_game_menu->additem(MN_DEACTIVE,"Slot 1",0,0, 1);
 458   save_game_menu->additem(MN_DEACTIVE,"Slot 2",0,0, 2);
 459   save_game_menu->additem(MN_DEACTIVE,"Slot 3",0,0, 3);
 460   save_game_menu->additem(MN_DEACTIVE,"Slot 4",0,0, 4);
 461   save_game_menu->additem(MN_DEACTIVE,"Slot 5",0,0, 5);
 462   save_game_menu->additem(MN_HL,"",0,0);
 463   save_game_menu->additem(MN_BACK,"Back",0,0);
 464
 465   game_menu->additem(MN_LABEL,"Pause",0,0);
 466   game_menu->additem(MN_HL,"",0,0);
 467   game_menu->additem(MN_ACTION,"Continue",0,0,MNID_CONTINUE);
 468   game_menu->additem(MN_GOTO,"Options",0,options_menu);
 469   game_menu->additem(MN_HL,"",0,0);
 470   game_menu->additem(MN_ACTION,"Abort Level",0,0,MNID_ABORTLEVEL);
 471
 472   worldmap_menu->additem(MN_LABEL,"Pause",0,0);
 473   worldmap_menu->additem(MN_HL,"",0,0);
 474   worldmap_menu->additem(MN_ACTION,"Continue",0,0,MNID_RETURNWORLDMAP);
 475   worldmap_menu->additem(MN_GOTO,"Options",0,options_menu);
 476   worldmap_menu->additem(MN_HL,"",0,0);
 477   worldmap_menu->additem(MN_ACTION,"Quit Game",0,0,MNID_QUITWORLDMAP);
 478
 479   highscore_menu->additem(MN_TEXTFIELD,"Enter your name:",0,0);
 480 }
 481
 482 void update_load_save_game_menu(Menu* pmenu)
 483 {
 484   for(int i = 2; i < 7; ++i)
 485     {
 486       // FIXME: Insert a real savegame struct/class here instead of
 487       // doing string vodoo
 488       std::string tmp = slotinfo(i - 1);
 489       pmenu->item[i].kind = MN_ACTION;
 490       pmenu->item[i].change_text(tmp.c_str());
 491     }
 492 }
 493
 494 bool process_load_game_menu()
 495 {
 496   int slot = load_game_menu->check();
 497
 498   if(slot != -1 && load_game_menu->get_item_by_id(slot).kind == MN_ACTION)
 499     {
 500       char slotfile[1024];
 501       snprintf(slotfile, 1024, "%s/slot%d.stsg", st_save_dir, slot);
 502
 503       if (access(slotfile, F_OK) != 0)
 504         {
 505           draw_intro();
 506         }
 507
 508       fadeout();
 509       WorldMapNS::WorldMap worldmap;
 510
 511       // Load the game or at least set the savegame_file variable
 512       worldmap.loadgame(slotfile);
 513
 514       worldmap.display();
 515
 516       Menu::set_current(main_menu);
 517
 518       st_pause_ticks_stop();
 519       return true;
 520     }
 521   else
 522     {
 523       return false;
 524     }
 525 }
 526
 527 /* Handle changes made to global settings in the options menu. */
 528 void process_options_menu(void)
 529 {
 530   switch (options_menu->check())
 531     {
 532     case MNID_OPENGL:
 533 #ifndef NOOPENGL
 534       if(use_gl != options_menu->isToggled(MNID_OPENGL))
 535         {
 536           use_gl = !use_gl;
 537           st_video_setup();
 538         }
 539 #else
 540       options_menu->get_item_by_id(MNID_OPENGL).toggled = false;
 541 #endif
 542       break;
 543     case MNID_FULLSCREEN:
 544       if(use_fullscreen != options_menu->isToggled(MNID_FULLSCREEN))
 545         {
 546           use_fullscreen = !use_fullscreen;
 547           st_video_setup();
 548         }
 549       break;
 550     case MNID_SOUND:
 551       if(use_sound != options_menu->isToggled(MNID_SOUND))
 552         use_sound = !use_sound;
 553       break;
 554     case MNID_MUSIC:
 555       if(use_music != options_menu->isToggled(MNID_MUSIC))
 556         {
 557           use_music = !use_music;
 558           music_manager->enable_music(use_music);
 559         }
 560       break;
 561     case MNID_SHOWFPS:
 562       if(show_fps != options_menu->isToggled(MNID_SHOWFPS))
 563         show_fps = !show_fps;
 564       break;
 565     }
 566 }
 567
 568 void st_general_setup(void)
 569 {
 570   /* Seed random number generator: */
 571
 572   srand(SDL_GetTicks());
 573
 574   /* Set icon image: */
 575
 576   seticon();
 577
 578   /* Unicode needed for input handling: */
 579
 580   SDL_EnableUNICODE(1);
 581
 582   /* Load global images: */
 583
 584   black_text  = new Text(datadir + "/images/status/letters-black.png", TEXT_TEXT, 16,18);
 585   gold_text   = new Text(datadir + "/images/status/letters-gold.png", TEXT_TEXT, 16,18);
 586   silver_text = new Text(datadir + "/images/status/letters-silver.png", TEXT_TEXT, 16,18);
 587   blue_text   = new Text(datadir + "/images/status/letters-blue.png", TEXT_TEXT, 16,18);
 588   red_text    = new Text(datadir + "/images/status/letters-red.png", TEXT_TEXT, 16,18);
 589   green_text  = new Text(datadir + "/images/status/letters-green.png", TEXT_TEXT, 16,18);
 590   white_text  = new Text(datadir + "/images/status/letters-white.png", TEXT_TEXT, 16,18);
 591   white_small_text = new Text(datadir + "/images/status/letters-white-small.png", TEXT_TEXT, 8,9);
 592   white_big_text   = new Text(datadir + "/images/status/letters-white-big.png", TEXT_TEXT, 20,22);
 593   yellow_nums = new Text(datadir + "/images/status/numbers.png", TEXT_NUM, 32,32);
 594
 595   /* Load GUI/menu images: */
 596   checkbox = new Surface(datadir + "/images/status/checkbox.png", USE_ALPHA);
 597   checkbox_checked = new Surface(datadir + "/images/status/checkbox-checked.png", USE_ALPHA);
 598   back = new Surface(datadir + "/images/status/back.png", USE_ALPHA);
 599   arrow_left = new Surface(datadir + "/images/icons/left.png", USE_ALPHA);
 600   arrow_right = new Surface(datadir + "/images/icons/right.png", USE_ALPHA);
 601
 602   /* Load the mouse-cursor */
 603   mouse_cursor = new MouseCursor( datadir + "/images/status/mousecursor.png",1);
 604   MouseCursor::set_current(mouse_cursor);
 605
 606 }
 607
 608 void st_general_free(void)
 609 {
 610
 611   /* Free global images: */
 612   delete black_text;
 613   delete gold_text;
 614   delete silver_text;
 615   delete white_text;
 616   delete blue_text;
 617   delete red_text;
 618   delete green_text;
 619   delete white_small_text;
 620   delete white_big_text;
 621   delete yellow_nums;
 622
 623   /* Free GUI/menu images: */
 624   delete checkbox;
 625   delete checkbox_checked;
 626   delete back;
 627   delete arrow_left;
 628   delete arrow_right;
 629
 630   /* Free mouse-cursor */
 631   delete mouse_cursor;
 632
 633   /* Free menus */
 634   delete main_menu;
 635   delete game_menu;
 636   delete options_menu;
 637   delete highscore_menu;
 638   delete save_game_menu;
 639   delete load_game_menu;
 640 }
 641
 642 void st_video_setup(void)
 643 {
 644   /* Init SDL Video: */
 645   if (SDL_Init(SDL_INIT_VIDEO) < 0)
 646     {
 647       fprintf(stderr,
 648               "\nError: I could not initialize video!\n"
 649               "The Simple DirectMedia error that occured was:\n"
 650               "%s\n\n", SDL_GetError());
 651       exit(1);
 652     }
 653
 654   /* Open display: */
 655   if(use_gl)
 656     st_video_setup_gl();
 657   else
 658     st_video_setup_sdl();
 659
 660   Surface::reload_all();
 661
 662   /* Set window manager stuff: */
 663   SDL_WM_SetCaption("SuperTux " VERSION, "SuperTux");
 664 }
 665
 666 void st_video_setup_sdl(void)
 667 {
 668   if (use_fullscreen)
 669     {
 670       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_FULLSCREEN ) ; /* | SDL_HWSURFACE); */
 671       if (screen == NULL)
 672         {
 673           fprintf(stderr,
 674                   "\nWarning: I could not set up fullscreen video for "
 675                   "640x480 mode.\n"
 676                   "The Simple DirectMedia error that occured was:\n"
 677                   "%s\n\n", SDL_GetError());
 678           use_fullscreen = false;
 679         }
 680     }
 681   else
 682     {
 683       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_HWSURFACE | SDL_DOUBLEBUF );
 684
 685       if (screen == NULL)
 686         {
 687           fprintf(stderr,
 688                   "\nError: I could not set up video for 640x480 mode.\n"
 689                   "The Simple DirectMedia error that occured was:\n"
 690                   "%s\n\n", SDL_GetError());
 691           exit(1);
 692         }
 693     }
 694 }
 695
 696 void st_video_setup_gl(void)
 697 {
 698 #ifndef NOOPENGL
 699
 700   SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
 701   SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
 702   SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
 703   SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
 704   SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 705
 706   if (use_fullscreen)
 707     {
 708       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_FULLSCREEN | SDL_OPENGL) ; /* | SDL_HWSURFACE); */
 709       if (screen == NULL)
 710         {
 711           fprintf(stderr,
 712                   "\nWarning: I could not set up fullscreen video for "
 713                   "640x480 mode.\n"
 714                   "The Simple DirectMedia error that occured was:\n"
 715                   "%s\n\n", SDL_GetError());
 716           use_fullscreen = false;
 717         }
 718     }
 719   else
 720     {
 721       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_OPENGL);
 722
 723       if (screen == NULL)
 724         {
 725           fprintf(stderr,
 726                   "\nError: I could not set up video for 640x480 mode.\n"
 727                   "The Simple DirectMedia error that occured was:\n"
 728                   "%s\n\n", SDL_GetError());
 729           exit(1);
 730         }
 731     }
 732
 733   /*
 734    * Set up OpenGL for 2D rendering.
 735    */
 736   glDisable(GL_DEPTH_TEST);
 737   glDisable(GL_CULL_FACE);
 738
 739   glViewport(0, 0, screen->w, screen->h);
 740   glMatrixMode(GL_PROJECTION);
 741   glLoadIdentity();
 742   glOrtho(0, screen->w, screen->h, 0, -1.0, 1.0);
 743
 744   glMatrixMode(GL_MODELVIEW);
 745   glLoadIdentity();
 746   glTranslatef(0.0f, 0.0f, 0.0f);
 747
 748 #endif
 749
 750 }
 751
 752 void st_joystick_setup(void)
 753 {
 754
 755   /* Init Joystick: */
 756
 757   use_joystick = true;
 758
 759   if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
 760     {
 761       fprintf(stderr, "Warning: I could not initialize joystick!\n"
 762               "The Simple DirectMedia error that occured was:\n"
 763               "%s\n\n", SDL_GetError());
 764
 765       use_joystick = false;
 766     }
 767   else
 768     {
 769       /* Open joystick: */
 770       if (SDL_NumJoysticks() <= 0)
 771         {
 772           fprintf(stderr, "Warning: No joysticks are available.\n");
 773
 774           use_joystick = false;
 775         }
 776       else
 777         {
 778           js = SDL_JoystickOpen(joystick_num);
 779
 780           if (js == NULL)
 781             {
 782               fprintf(stderr, "Warning: Could not open joystick %d.\n"
 783                       "The Simple DirectMedia error that occured was:\n"
 784                       "%s\n\n", joystick_num, SDL_GetError());
 785
 786               use_joystick = false;
 787             }
 788           else
 789             {
 790               if (SDL_JoystickNumAxes(js) < 2)
 791                 {
 792                   fprintf(stderr,
 793                           "Warning: Joystick does not have enough axes!\n");
 794
 795                   use_joystick = false;
 796                 }
 797               else
 798                 {
 799                   if (SDL_JoystickNumButtons(js) < 2)
 800                     {
 801                       fprintf(stderr,
 802                               "Warning: "
 803                               "Joystick does not have enough buttons!\n");
 804
 805                       use_joystick = false;
 806                     }
 807                 }
 808             }
 809         }
 810     }
 811 }
 812
 813 void st_audio_setup(void)
 814 {
 815
 816   /* Init SDL Audio silently even if --disable-sound : */
 817
 818   if (audio_device)
 819     {
 820       if (SDL_Init(SDL_INIT_AUDIO) < 0)
 821         {
 822           /* only print out message if sound or music
 823              was not disabled at command-line
 824            */
 825           if (use_sound || use_music)
 826             {
 827               fprintf(stderr,
 828                       "\nWarning: I could not initialize audio!\n"
 829                       "The Simple DirectMedia error that occured was:\n"
 830                       "%s\n\n", SDL_GetError());
 831             }
 832           /* keep the programming logic the same :-)
 833              because in this case, use_sound & use_music' values are ignored
 834              when there's no available audio device
 835           */
 836           use_sound = false;
 837           use_music = false;
 838           audio_device = false;
 839         }
 840     }
 841
 842
 843   /* Open sound silently regarless the value of "use_sound": */
 844
 845   if (audio_device)
 846     {
 847       if (open_audio(44100, AUDIO_S16, 2, 2048) < 0)
 848         {
 849           /* only print out message if sound or music
 850              was not disabled at command-line
 851            */
 852           if (use_sound || use_music)
 853             {
 854               fprintf(stderr,
 855                       "\nWarning: I could not set up audio for 44100 Hz "
 856                       "16-bit stereo.\n"
 857                       "The Simple DirectMedia error that occured was:\n"
 858                       "%s\n\n", SDL_GetError());
 859             }
 860           use_sound = false;
 861           use_music = false;
 862           audio_device = false;
 863         }
 864     }
 865
 866 }
 867
 868
 869 /* --- SHUTDOWN --- */
 870
 871 void st_shutdown(void)
 872 {
 873   close_audio();
 874   SDL_Quit();
 875   saveconfig();
 876 }
 877
 878 /* --- ABORT! --- */
 879
 880 void st_abort(const std::string& reason, const std::string& details)
 881 {
 882   fprintf(stderr, "\nError: %s\n%s\n\n", reason.c_str(), details.c_str());
 883   st_shutdown();
 884   abort();
 885 }
 886
 887 /* Set Icon (private) */
 888
 889 void seticon(void)
 890 {
 891 //  int masklen;
 892 //  Uint8 * mask;
 893   SDL_Surface * icon;
 894
 895
 896   /* Load icon into a surface: */
 897
 898   icon = IMG_Load((datadir + "/images/icon.xpm").c_str());
 899   if (icon == NULL)
 900     {
 901       fprintf(stderr,
 902               "\nError: I could not load the icon image: %s%s\n"
 903               "The Simple DirectMedia error that occured was:\n"
 904               "%s\n\n", datadir.c_str(), "/images/icon.xpm", SDL_GetError());
 905       exit(1);
 906     }
 907
 908
 909   /* Create mask: */
 910 /*
 911   masklen = (((icon -> w) + 7) / 8) * (icon -> h);
 912   mask = (Uint8*) malloc(masklen * sizeof(Uint8));
 913   memset(mask, 0xFF, masklen);
 914 */
 915
 916   /* Set icon: */
 917
 918   SDL_WM_SetIcon(icon, NULL);//mask);
 919
 920
 921   /* Free icon surface & mask: */
 922
 923 //  free(mask);
 924   SDL_FreeSurface(icon);
 925 }
 926
 927
 928 /* Parse command-line arguments: */
 929
 930 void parseargs(int argc, char * argv[])
 931 {
 932   int i;
 933
 934   loadconfig();
 935
 936   /* Parse arguments: */
 937
 938   for (i = 1; i < argc; i++)
 939     {
 940       if (strcmp(argv[i], "--fullscreen") == 0 ||
 941           strcmp(argv[i], "-f") == 0)
 942         {
 943           /* Use full screen: */
 944
 945           use_fullscreen = true;
 946         }
 947       else if (strcmp(argv[i], "--joystick") == 0 || strcmp(argv[i], "-j") == 0)
 948         {
 949           assert(i+1 < argc);
 950           joystick_num = atoi(argv[++i]);
 951         }
 952       else if (strcmp(argv[i], "--joymap") == 0)
 953         {
 954           assert(i+1 < argc);
 955           if (sscanf(argv[++i],
 956                      "%d:%d:%d:%d:%d",
 957                      &joystick_keymap.x_axis,
 958                      &joystick_keymap.y_axis,
 959                      &joystick_keymap.a_button,
 960                      &joystick_keymap.b_button,
 961                      &joystick_keymap.start_button) != 5)
 962             {
 963               puts("Warning: Invalid or incomplete joymap, should be: 'XAXIS:YAXIS:A:B:START'");
 964             }
 965           else
 966             {
 967               std::cout << "Using new joymap:\n"
 968                         << "  X-Axis:       " << joystick_keymap.x_axis << "\n"
 969                         << "  Y-Axis:       " << joystick_keymap.y_axis << "\n"
 970                         << "  A-Button:     " << joystick_keymap.a_button << "\n"
 971                         << "  B-Button:     " << joystick_keymap.b_button << "\n"
 972                         << "  Start-Button: " << joystick_keymap.start_button << std::endl;
 973             }
 974         }
 975       else if (strcmp(argv[i], "--leveleditor") == 0)
 976         {
 977           launch_leveleditor_mode = true;
 978         }
 979       else if (strcmp(argv[i], "--datadir") == 0
 980                || strcmp(argv[i], "-d") == 0 )
 981         {
 982           assert(i+1 < argc);
 983           datadir = argv[++i];
 984         }
 985       else if (strcmp(argv[i], "--show-fps") == 0)
 986         {
 987           /* Use full screen: */
 988
 989           show_fps = true;
 990         }
 991       else if (strcmp(argv[i], "--opengl") == 0 ||
 992                strcmp(argv[i], "-gl") == 0)
 993         {
 994 #ifndef NOOPENGL
 995           /* Use OpengGL: */
 996
 997           use_gl = true;
 998 #endif
 999         }
1000       else if (strcmp(argv[i], "--sdl") == 0)
1001           {
1002             use_gl = false;
1003           }
1004       else if (strcmp(argv[i], "--usage") == 0)
1005         {
1006           /* Show usage: */
1007
1008           usage(argv[0], 0);
1009         }
1010       else if (strcmp(argv[i], "--version") == 0)
1011         {
1012           /* Show version: */
1013           printf("SuperTux " VERSION "\n");
1014           exit(0);
1015         }
1016       else if (strcmp(argv[i], "--disable-sound") == 0)
1017         {
1018           /* Disable the compiled in sound feature */
1019           printf("Sounds disabled \n");
1020           use_sound = false;
1021           audio_device = false;
1022         }
1023       else if (strcmp(argv[i], "--disable-music") == 0)
1024         {
1025           /* Disable the compiled in sound feature */
1026           printf("Music disabled \n");
1027           use_music = false;
1028         }
1029       else if (strcmp(argv[i], "--debug-mode") == 0)
1030         {
1031           /* Enable the debug-mode */
1032           debug_mode = true;
1033
1034         }
1035       else if (strcmp(argv[i], "--help") == 0)
1036         {     /* Show help: */
1037           puts("Super Tux " VERSION "\n"
1038                "  Please see the file \"README.txt\" for more details.\n");
1039           printf("Usage: %s [OPTIONS] FILENAME\n\n", argv[0]);
1040           puts("Display Options:\n"
1041                "  --fullscreen        Run in fullscreen mode.\n"
1042                "  --opengl            If opengl support was compiled in, this will enable\n"
1043                "                      the EXPERIMENTAL OpenGL mode.\n"
1044                "  --sdl               Use non-opengl renderer\n"
1045                "\n"
1046                "Sound Options:\n"
1047                "  --disable-sound     If sound support was compiled in,  this will\n"
1048                "                      disable sound for this session of the game.\n"
1049                "  --disable-music     Like above, but this will disable music.\n"
1050                "\n"
1051                "Misc Options:\n"
1052                "  -j, --joystick NUM  Use joystick NUM (default: 0)\n"
1053                "  --joymap XAXIS:YAXIS:A:B:START\n"
1054                "  --leveleditor       Opens the leveleditor in a file. (Only works when a file is provided.)\n"
1055                "                      Define how joystick buttons and axis should be mapped\n"
1056                "  -d, --datadir DIR   Load Game data from DIR (default: automatic)\n"
1057                "  --debug-mode        Enables the debug-mode, which is useful for developers.\n"
1058                "  --help              Display a help message summarizing command-line\n"
1059                "                      options, license and game controls.\n"
1060                "  --usage             Display a brief message summarizing command-line options.\n"
1061                "  --version           Display the version of SuperTux you're running.\n\n"
1062                );
1063           exit(0);
1064         }
1065       else if (argv[i][0] != '-')
1066         {
1067           level_startup_file = argv[i];
1068         }
1069       else
1070         {
1071           /* Unknown - complain! */
1072
1073           usage(argv[0], 1);
1074         }
1075     }
1076 }
1077
1078
1079 /* Display usage: */
1080
1081 void usage(char * prog, int ret)
1082 {
1083   FILE * fi;
1084
1085
1086   /* Determine which stream to write to: */
1087
1088   if (ret == 0)
1089     fi = stdout;
1090   else
1091     fi = stderr;
1092
1093
1094   /* Display the usage message: */
1095
1096   fprintf(fi, "Usage: %s [--fullscreen] [--opengl] [--disable-sound] [--disable-music] [--debug-mode] | [--usage | --help | --version] [--worldmap] FILENAME\n",
1097           prog);
1098
1099
1100   /* Quit! */
1101
1102   exit(ret);
1103 }
1104