src/worldmap.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux -  A Jump'n Run
   4 //  Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
   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 <iostream>
  21 #include <fstream>
  22 #include <vector>
  23 #include <cassert>
  24 #include <unistd.h>
  25
  26 #include "globals.h"
  27 #include "screen/surface.h"
  28 #include "screen/screen.h"
  29 #include "screen/drawing_context.h"
  30 #include "lispreader.h"
  31 #include "gameloop.h"
  32 #include "setup.h"
  33 #include "sector.h"
  34 #include "worldmap.h"
  35 #include "sound_manager.h"
  36 #include "resources.h"
  37 #include "gettext.h"
  38
  39 namespace WorldMapNS {
  40
  41 Direction reverse_dir(Direction direction)
  42 {
  43   switch(direction)
  44     {
  45     case D_WEST:
  46       return D_EAST;
  47     case D_EAST:
  48       return D_WEST;
  49     case D_NORTH:
  50       return D_SOUTH;
  51     case D_SOUTH:
  52       return D_NORTH;
  53     case D_NONE:
  54       return D_NONE;
  55     }
  56   return D_NONE;
  57 }
  58
  59 std::string
  60 direction_to_string(Direction direction)
  61 {
  62   switch(direction)
  63     {
  64     case D_WEST:
  65       return "west";
  66     case D_EAST:
  67       return "east";
  68     case D_NORTH:
  69       return "north";
  70     case D_SOUTH:
  71       return "south";
  72     default:
  73       return "none";
  74     }
  75 }
  76
  77 Direction
  78 string_to_direction(const std::string& directory)
  79 {
  80   if (directory == "west")
  81     return D_WEST;
  82   else if (directory == "east")
  83     return D_EAST;
  84   else if (directory == "north")
  85     return D_NORTH;
  86   else if (directory == "south")
  87     return D_SOUTH;
  88   else
  89     return D_NONE;
  90 }
  91
  92 TileManager::TileManager()
  93 {
  94   std::string stwt_filename = datadir +  "/images/worldmap/antarctica.stwt";
  95   lisp_object_t* root_obj = lisp_read_from_file(stwt_filename);
  96
  97   if (!root_obj)
  98     st_abort("Couldn't load file", stwt_filename);
  99
 100   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
 101     {
 102       lisp_object_t* cur = lisp_cdr(root_obj);
 103
 104       while(!lisp_nil_p(cur))
 105         {
 106           lisp_object_t* element = lisp_car(cur);
 107
 108           if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
 109             {
 110               int id = 0;
 111               std::string filename = "<invalid>";
 112
 113               Tile* tile = new Tile;
 114               tile->north = true;
 115               tile->east  = true;
 116               tile->south = true;
 117               tile->west  = true;
 118               tile->stop  = true;
 119               tile->auto_walk = false;
 120
 121               LispReader reader(lisp_cdr(element));
 122               reader.read_int("id", id);
 123               reader.read_bool("north", tile->north);
 124               reader.read_bool("south", tile->south);
 125               reader.read_bool("west",  tile->west);
 126               reader.read_bool("east",  tile->east);
 127               reader.read_bool("stop",  tile->stop);
 128               reader.read_bool("auto-walk",  tile->auto_walk);
 129               reader.read_string("image", filename);
 130
 131               tile->sprite = new Surface(
 132                            datadir +  "/images/worldmap/" + filename,
 133                            USE_ALPHA);
 134
 135               if (id >= int(tiles.size()))
 136                 tiles.resize(id+1);
 137
 138               tiles[id] = tile;
 139             }
 140           else
 141             {
 142               puts("Unhandled symbol");
 143             }
 144
 145           cur = lisp_cdr(cur);
 146         }
 147     }
 148   else
 149     {
 150       assert(0);
 151     }
 152
 153   lisp_free(root_obj);
 154 }
 155
 156 TileManager::~TileManager()
 157 {
 158   for(std::vector<Tile*>::iterator i = tiles.begin(); i != tiles.end(); ++i)
 159     delete *i;
 160 }
 161
 162 Tile*
 163 TileManager::get(int i)
 164 {
 165   assert(i >=0 && i < int(tiles.size()));
 166   return tiles[i];
 167 }
 168
 169 //---------------------------------------------------------------------------
 170
 171 Tux::Tux(WorldMap* worldmap_)
 172   : worldmap(worldmap_)
 173 {
 174   largetux_sprite = new Surface(datadir +  "/images/worldmap/tux.png", USE_ALPHA);
 175   firetux_sprite = new Surface(datadir +  "/images/worldmap/firetux.png", USE_ALPHA);
 176   smalltux_sprite = new Surface(datadir +  "/images/worldmap/smalltux.png", USE_ALPHA);
 177
 178   offset = 0;
 179   moving = false;
 180   tile_pos.x = worldmap->get_start_x();
 181   tile_pos.y = worldmap->get_start_y();
 182   direction = D_NONE;
 183   input_direction = D_NONE;
 184 }
 185
 186 Tux::~Tux()
 187 {
 188   delete smalltux_sprite;
 189   delete firetux_sprite;
 190   delete largetux_sprite;
 191 }
 192
 193 void
 194 Tux::draw(DrawingContext& context, const Vector& offset)
 195 {
 196   Vector pos = get_pos();
 197   switch (player_status.bonus)
 198     {
 199     case PlayerStatus::GROWUP_BONUS:
 200       context.draw_surface(largetux_sprite,
 201           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 202       break;
 203     case PlayerStatus::FLOWER_BONUS:
 204       context.draw_surface(firetux_sprite,
 205           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 206       break;
 207     case PlayerStatus::NO_BONUS:
 208       context.draw_surface(smalltux_sprite,
 209           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 210       break;
 211     }
 212 }
 213
 214
 215 Vector
 216 Tux::get_pos()
 217 {
 218   float x = tile_pos.x * 32;
 219   float y = tile_pos.y * 32;
 220
 221   switch(direction)
 222     {
 223     case D_WEST:
 224       x -= offset - 32;
 225       break;
 226     case D_EAST:
 227       x += offset - 32;
 228       break;
 229     case D_NORTH:
 230       y -= offset - 32;
 231       break;
 232     case D_SOUTH:
 233       y += offset - 32;
 234       break;
 235     case D_NONE:
 236       break;
 237     }
 238
 239   return Vector((int)x, (int)y);
 240 }
 241
 242 void
 243 Tux::stop()
 244 {
 245   offset = 0;
 246   direction = D_NONE;
 247   moving = false;
 248 }
 249
 250 void
 251 Tux::action(float delta)
 252 {
 253   if (!moving)
 254     {
 255       if (input_direction != D_NONE)
 256         {
 257           WorldMap::Level* level = worldmap->at_level();
 258
 259           // We got a new direction, so lets start walking when possible
 260           Vector next_tile;
 261           if ((!level || level->solved)
 262               && worldmap->path_ok(input_direction, tile_pos, &next_tile))
 263             {
 264               tile_pos = next_tile;
 265               moving = true;
 266               direction = input_direction;
 267               back_direction = reverse_dir(direction);
 268             }
 269           else if (input_direction == back_direction)
 270             {
 271               std::cout << "Back triggered" << std::endl;
 272               moving = true;
 273               direction = input_direction;
 274               tile_pos = worldmap->get_next_tile(tile_pos, direction);
 275               back_direction = reverse_dir(direction);
 276             }
 277         }
 278     }
 279   else
 280     {
 281       // Let tux walk a few pixels (20 pixel/sec)
 282       offset += 20.0f * delta;
 283
 284       if (offset > 32)
 285         { // We reached the next tile, so we check what to do now
 286           offset -= 32;
 287
 288           if (worldmap->at(tile_pos)->stop || worldmap->at_level())
 289             {
 290               stop();
 291             }
 292           else
 293             {
 294               if (worldmap->at(tile_pos)->auto_walk)
 295                 { // Turn to a new direction
 296                   Tile* tile = worldmap->at(tile_pos);
 297                   Direction dir = D_NONE;
 298
 299                   if (tile->north && back_direction != D_NORTH)
 300                     dir = D_NORTH;
 301                   else if (tile->south && back_direction != D_SOUTH)
 302                     dir = D_SOUTH;
 303                   else if (tile->east && back_direction != D_EAST)
 304                     dir = D_EAST;
 305                   else if (tile->west && back_direction != D_WEST)
 306                     dir = D_WEST;
 307
 308                   if (dir != D_NONE)
 309                     {
 310                       direction = dir;
 311                       back_direction = reverse_dir(direction);
 312                     }
 313                   else
 314                     {
 315                       // Should never be reached if tiledata is good
 316                       stop();
 317                       return;
 318                     }
 319                 }
 320
 321               // Walk automatically to the next tile
 322               Vector next_tile;
 323               if (worldmap->path_ok(direction, tile_pos, &next_tile))
 324                 {
 325                   tile_pos = next_tile;
 326                 }
 327               else
 328                 {
 329                   puts("Tilemap data is buggy");
 330                   stop();
 331                 }
 332             }
 333         }
 334     }
 335 }
 336
 337 //---------------------------------------------------------------------------
 338 Tile::Tile()
 339 {
 340 }
 341
 342 Tile::~Tile()
 343 {
 344   delete sprite;
 345 }
 346
 347 //---------------------------------------------------------------------------
 348
 349 WorldMap::WorldMap()
 350 {
 351   tile_manager = new TileManager();
 352   //tux = new Tux(this);
 353
 354   width  = 20;
 355   height = 15;
 356
 357   start_x = 4;
 358   start_y = 5;
 359
 360   level_sprite = new Surface(datadir +  "/images/worldmap/levelmarker.png", USE_ALPHA);
 361   leveldot_green = new Surface(datadir +  "/images/worldmap/leveldot_green.png", USE_ALPHA);
 362   leveldot_red = new Surface(datadir +  "/images/worldmap/leveldot_red.png", USE_ALPHA);
 363
 364   input_direction = D_NONE;
 365   enter_level = false;
 366
 367   name = "<no title>";
 368   music = "SALCON.MOD";
 369 }
 370
 371 WorldMap::~WorldMap()
 372 {
 373   delete tux;
 374   delete tile_manager;
 375
 376   delete level_sprite;
 377   delete leveldot_green;
 378   delete leveldot_red;
 379 }
 380
 381 void
 382 WorldMap::load_map()
 383 {
 384   std::cout << "Loading map: " << datadir + "/levels/worldmap/" + map_filename << std::endl;
 385
 386   lisp_object_t* root_obj = lisp_read_from_file(datadir + "/levels/worldmap/" + map_filename);
 387   if (!root_obj)
 388     st_abort("Couldn't load file", datadir + "/levels/worldmap/" + map_filename);
 389
 390   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
 391     {
 392       lisp_object_t* cur = lisp_cdr(root_obj);
 393
 394       while(!lisp_nil_p(cur))
 395         {
 396           lisp_object_t* element = lisp_car(cur);
 397
 398           if (strcmp(lisp_symbol(lisp_car(element)), "tilemap") == 0)
 399             {
 400               LispReader reader(lisp_cdr(element));
 401               reader.read_int("width",  width);
 402               reader.read_int("height", height);
 403               reader.read_int_vector("data", tilemap);
 404             }
 405           else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
 406             {
 407               LispReader reader(lisp_cdr(element));
 408               reader.read_string("name", name, true);
 409               reader.read_string("music", music);
 410               reader.read_int("start_pos_x", start_x);
 411               reader.read_int("start_pos_y", start_y);
 412             }
 413           else if (strcmp(lisp_symbol(lisp_car(element)), "levels") == 0)
 414             {
 415               lisp_object_t* cur = lisp_cdr(element);
 416
 417               while(!lisp_nil_p(cur))
 418                 {
 419                   lisp_object_t* element = lisp_car(cur);
 420
 421                   if (strcmp(lisp_symbol(lisp_car(element)), "level") == 0)
 422                     {
 423                       Level level;
 424                       LispReader reader(lisp_cdr(element));
 425                       level.solved = false;
 426
 427                       level.north = true;
 428                       level.east  = true;
 429                       level.south = true;
 430                       level.west  = true;
 431
 432                       reader.read_string("extro-filename", level.extro_filename);
 433                       reader.read_string("name", level.name, true);
 434                       reader.read_int("x", level.x);
 435                       reader.read_int("y", level.y);
 436                       level.vertical_flip = false;
 437                       reader.read_bool("flip", level.vertical_flip);
 438
 439                       levels.push_back(level);
 440                     }
 441
 442                   cur = lisp_cdr(cur);
 443                 }
 444             }
 445           else
 446             {
 447
 448             }
 449
 450           cur = lisp_cdr(cur);
 451         }
 452     }
 453
 454     lisp_free(root_obj);
 455     tux = new Tux(this);
 456 }
 457
 458 void WorldMap::get_level_title(Level& level)
 459 {
 460   /** get level's title */
 461   level.title = "<no title>";
 462
 463   FILE * fi;
 464   lisp_object_t* root_obj = 0;
 465   fi = fopen((datadir +  "/levels/" + level.name).c_str(), "r");
 466   if (fi == NULL)
 467   {
 468     perror((datadir +  "/levels/" + level.name).c_str());
 469     return;
 470   }
 471
 472   lisp_stream_t stream;
 473   lisp_stream_init_file (&stream, fi);
 474   root_obj = lisp_read (&stream);
 475
 476   if (root_obj->type == LISP_TYPE_EOF || root_obj->type == LISP_TYPE_PARSE_ERROR)
 477   {
 478     printf("World: Parse Error in file %s", level.name.c_str());
 479   }
 480
 481   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-level") == 0)
 482   {
 483     LispReader reader(lisp_cdr(root_obj));
 484     reader.read_string("name", level.title, true);
 485   }
 486
 487   lisp_free(root_obj);
 488
 489   fclose(fi);
 490 }
 491
 492 void
 493 WorldMap::on_escape_press()
 494 {
 495   // Show or hide the menu
 496   if(!Menu::current())
 497     Menu::set_current(worldmap_menu);
 498   else
 499     Menu::set_current(0);
 500 }
 501
 502 void
 503 WorldMap::get_input()
 504 {
 505   enter_level = false;
 506   input_direction = D_NONE;
 507
 508   SDL_Event event;
 509   while (SDL_PollEvent(&event))
 510     {
 511       if (Menu::current())
 512         {
 513           Menu::current()->event(event);
 514         }
 515       else
 516         {
 517           switch(event.type)
 518             {
 519             case SDL_QUIT:
 520               st_abort("Received window close", "");
 521               break;
 522
 523             case SDL_KEYDOWN:
 524               switch(event.key.keysym.sym)
 525                 {
 526                 case SDLK_ESCAPE:
 527                   on_escape_press();
 528                   break;
 529                 case SDLK_LCTRL:
 530                 case SDLK_RETURN:
 531                   enter_level = true;
 532                   break;
 533                 default:
 534                   break;
 535                 }
 536               break;
 537
 538             case SDL_JOYAXISMOTION:
 539               if (event.jaxis.axis == joystick_keymap.x_axis)
 540                 {
 541                   if (event.jaxis.value < -joystick_keymap.dead_zone)
 542                     input_direction = D_WEST;
 543                   else if (event.jaxis.value > joystick_keymap.dead_zone)
 544                     input_direction = D_EAST;
 545                 }
 546               else if (event.jaxis.axis == joystick_keymap.y_axis)
 547                 {
 548                   if (event.jaxis.value > joystick_keymap.dead_zone)
 549                     input_direction = D_SOUTH;
 550                   else if (event.jaxis.value < -joystick_keymap.dead_zone)
 551                     input_direction = D_NORTH;
 552                 }
 553               break;
 554
 555             case SDL_JOYBUTTONDOWN:
 556               if (event.jbutton.button == joystick_keymap.b_button)
 557                 enter_level = true;
 558               else if (event.jbutton.button == joystick_keymap.start_button)
 559                 on_escape_press();
 560               break;
 561
 562             default:
 563               break;
 564             }
 565         }
 566     }
 567
 568   if (!Menu::current())
 569     {
 570       Uint8 *keystate = SDL_GetKeyState(NULL);
 571
 572       if (keystate[SDLK_LEFT])
 573         input_direction = D_WEST;
 574       else if (keystate[SDLK_RIGHT])
 575         input_direction = D_EAST;
 576       else if (keystate[SDLK_UP])
 577         input_direction = D_NORTH;
 578       else if (keystate[SDLK_DOWN])
 579         input_direction = D_SOUTH;
 580     }
 581 }
 582
 583 Vector
 584 WorldMap::get_next_tile(Vector pos, Direction direction)
 585 {
 586   switch(direction)
 587     {
 588     case D_WEST:
 589       pos.x -= 1;
 590       break;
 591     case D_EAST:
 592       pos.x += 1;
 593       break;
 594     case D_NORTH:
 595       pos.y -= 1;
 596       break;
 597     case D_SOUTH:
 598       pos.y += 1;
 599       break;
 600     case D_NONE:
 601       break;
 602     }
 603   return pos;
 604 }
 605
 606 bool
 607 WorldMap::path_ok(Direction direction, Vector old_pos, Vector* new_pos)
 608 {
 609   *new_pos = get_next_tile(old_pos, direction);
 610
 611   if (!(new_pos->x >= 0 && new_pos->x < width
 612         && new_pos->y >= 0 && new_pos->y < height))
 613     { // New position is outsite the tilemap
 614       return false;
 615     }
 616   else
 617     { // Check if we the tile allows us to go to new_pos
 618       switch(direction)
 619         {
 620         case D_WEST:
 621           return (at(old_pos)->west && at(*new_pos)->east);
 622
 623         case D_EAST:
 624           return (at(old_pos)->east && at(*new_pos)->west);
 625
 626         case D_NORTH:
 627           return (at(old_pos)->north && at(*new_pos)->south);
 628
 629         case D_SOUTH:
 630           return (at(old_pos)->south && at(*new_pos)->north);
 631
 632         case D_NONE:
 633           assert(!"path_ok() can't work if direction is NONE");
 634         }
 635       return false;
 636     }
 637 }
 638
 639 void
 640 WorldMap::update(float delta)
 641 {
 642   if (enter_level && !tux->is_moving())
 643     {
 644       Level* level = at_level();
 645       if (level)
 646         {
 647           if (level->x == tux->get_tile_pos().x &&
 648               level->y == tux->get_tile_pos().y)
 649             {
 650               PlayerStatus old_player_status = player_status;
 651
 652               std::cout << "Enter the current level: " << level->name << std::endl;
 653               // do a shriking fade to the level
 654               shrink_fade(Vector((level->x*32 + 16 + offset.x),(level->y*32 + 16
 655                       + offset.y)), 500);
 656               GameSession session(datadir +  "/levels/" + level->name,
 657                                   ST_GL_LOAD_LEVEL_FILE, level->vertical_flip);
 658
 659               switch (session.run())
 660                 {
 661                 case GameSession::ES_LEVEL_FINISHED:
 662                   {
 663                     bool old_level_state = level->solved;
 664                     level->solved = true;
 665
 666                     if (session.get_current_sector()->player->got_power !=
 667                           session.get_current_sector()->player->NONE_POWER)
 668                       player_status.bonus = PlayerStatus::FLOWER_BONUS;
 669                     else if (session.get_current_sector()->player->size == BIG)
 670                       player_status.bonus = PlayerStatus::GROWUP_BONUS;
 671                     else
 672                       player_status.bonus = PlayerStatus::NO_BONUS;
 673
 674                     if (old_level_state != level->solved)
 675                       { // Try to detect the next direction to which we should walk
 676                         // FIXME: Mostly a hack
 677                         Direction dir = D_NONE;
 678
 679                         Tile* tile = at(tux->get_tile_pos());
 680
 681                         if (tile->north && tux->back_direction != D_NORTH)
 682                           dir = D_NORTH;
 683                         else if (tile->south && tux->back_direction != D_SOUTH)
 684                           dir = D_SOUTH;
 685                         else if (tile->east && tux->back_direction != D_EAST)
 686                           dir = D_EAST;
 687                         else if (tile->west && tux->back_direction != D_WEST)
 688                           dir = D_WEST;
 689
 690                         if (dir != D_NONE)
 691                           {
 692                             tux->set_direction(dir);
 693                             //tux->update(delta);
 694                           }
 695
 696                         std::cout << "Walk to dir: " << dir << std::endl;
 697                       }
 698
 699                     if (!level->extro_filename.empty())
 700                       {
 701                         MusicRef theme =
 702                           sound_manager->load_music(datadir + "/music/theme.mod");
 703                         sound_manager->play_music(theme);
 704                         // Display final credits and go back to the main menu
 705                         display_text_file(level->extro_filename,
 706                                           "/images/background/extro.jpg", SCROLL_SPEED_MESSAGE);
 707                         display_text_file("CREDITS",
 708                                           "/images/background/oiltux.jpg", SCROLL_SPEED_CREDITS);
 709                         quit = true;
 710                       }
 711                   }
 712
 713                   break;
 714                 case GameSession::ES_LEVEL_ABORT:
 715                   /* In case the player's abort the level, keep it using the old
 716                       status. But the minimum lives and no bonus. */
 717                   player_status.score = old_player_status.score;
 718                   player_status.distros = old_player_status.distros;
 719                   player_status.lives = std::min(old_player_status.lives, player_status.lives);
 720                   player_status.bonus = player_status.NO_BONUS;
 721                   break;
 722                 case GameSession::ES_GAME_OVER:
 723                 {
 724                   /* draw an end screen */
 725                   /* in the future, this should make a dialog a la SuperMario, asking
 726                   if the player wants to restart the world map with no score and from
 727                   level 1 */
 728                   char str[80];
 729
 730                   DrawingContext context;
 731                   context.draw_gradient(Color (0, 255, 0), Color (255, 0, 255),
 732                       LAYER_BACKGROUND0);
 733
 734                   context.draw_text_center(blue_text, _("GAMEOVER"),
 735                       Vector(0, 200), LAYER_FOREGROUND1);
 736
 737                   sprintf(str, _("SCORE: %d"), player_status.score);
 738                   context.draw_text_center(gold_text, str,
 739                       Vector(0, 224), LAYER_FOREGROUND1);
 740
 741                   sprintf(str, _("COINS: %d"), player_status.distros);
 742                   context.draw_text_center(gold_text, str,
 743                       Vector(0, screen->w - 32), LAYER_FOREGROUND1);
 744
 745                   context.do_drawing();
 746
 747                   SDL_Event event;
 748                   wait_for_event(event,2000,5000,true);
 749
 750                   quit = true;
 751                   player_status.reset();
 752                   break;
 753                 }
 754                 case GameSession::ES_NONE:
 755                   assert(false);
 756                   // Should never be reached
 757                   break;
 758                 }
 759
 760               sound_manager->play_music(song);
 761               Menu::set_current(0);
 762               if (!savegame_file.empty())
 763                 savegame(savegame_file);
 764               return;
 765             }
 766         }
 767       else
 768         {
 769           std::cout << "Nothing to enter at: "
 770                     << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
 771         }
 772     }
 773   else
 774     {
 775       tux->action(delta);
 776       tux->set_direction(input_direction);
 777     }
 778
 779   Menu* menu = Menu::current();
 780   if(menu)
 781     {
 782       menu->action();
 783
 784       if(menu == worldmap_menu)
 785         {
 786           switch (worldmap_menu->check())
 787             {
 788             case MNID_RETURNWORLDMAP: // Return to game
 789               break;
 790             case MNID_QUITWORLDMAP: // Quit Worldmap
 791               quit = true;
 792               break;
 793             }
 794         }
 795       else if(menu == options_menu)
 796         {
 797           process_options_menu();
 798         }
 799     }
 800 }
 801
 802 Tile*
 803 WorldMap::at(Vector p)
 804 {
 805   assert(p.x >= 0
 806          && p.x < width
 807          && p.y >= 0
 808          && p.y < height);
 809
 810   int x = int(p.x);
 811   int y = int(p.y);
 812   return tile_manager->get(tilemap[width * y + x]);
 813 }
 814
 815 WorldMap::Level*
 816 WorldMap::at_level()
 817 {
 818   for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
 819     {
 820       if (i->x == tux->get_tile_pos().x &&
 821           i->y == tux->get_tile_pos().y)
 822         return &*i;
 823     }
 824
 825   return 0;
 826 }
 827
 828
 829 void
 830 WorldMap::draw(DrawingContext& context, const Vector& offset)
 831 {
 832   for(int y = 0; y < height; ++y)
 833     for(int x = 0; x < width; ++x)
 834       {
 835         Tile* tile = at(Vector(x, y));
 836         context.draw_surface(tile->sprite,
 837             Vector(x*32 + offset.x, y*32 + offset.y), LAYER_TILES);
 838       }
 839
 840   for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
 841     {
 842       if (i->solved)
 843         context.draw_surface(leveldot_green,
 844             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 845       else
 846         context.draw_surface(leveldot_red,
 847             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 848     }
 849
 850   tux->draw(context, offset);
 851   draw_status(context);
 852 }
 853
 854 void
 855 WorldMap::draw_status(DrawingContext& context)
 856 {
 857   char str[80];
 858   sprintf(str, " %d", player_status.score);
 859
 860   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LAYER_FOREGROUND1);
 861   context.draw_text(gold_text, str, Vector(96, 0), LAYER_FOREGROUND1);
 862
 863   sprintf(str, "%d", player_status.distros);
 864   context.draw_text(white_text, _("COINS"), Vector(screen->w/2 - 16*5, 0),
 865       LAYER_FOREGROUND1);
 866   context.draw_text(gold_text, str, Vector(screen->w/2 + (16*5)/2, 0),
 867         LAYER_FOREGROUND1);
 868
 869   if (player_status.lives >= 5)
 870     {
 871       sprintf(str, "%dx", player_status.lives);
 872       context.draw_text(gold_text, str,
 873           Vector(screen->w - gold_text->get_text_width(str) - tux_life->w, 0),
 874           LAYER_FOREGROUND1);
 875       context.draw_surface(tux_life, Vector(screen->w -
 876             gold_text->get_text_width("9"), 0), LAYER_FOREGROUND1);
 877     }
 878   else
 879     {
 880       for(int i= 0; i < player_status.lives; ++i)
 881         context.draw_surface(tux_life,
 882             Vector(screen->w - tux_life->w*4 + (tux_life->w*i), 0),
 883             LAYER_FOREGROUND1);
 884     }
 885   context.draw_text(white_text, _("LIVES"),
 886       Vector(screen->w - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 0),
 887       LAYER_FOREGROUND1);
 888
 889   if (!tux->is_moving())
 890     {
 891       for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
 892         {
 893           if (i->x == tux->get_tile_pos().x &&
 894               i->y == tux->get_tile_pos().y)
 895             {
 896               if(i->title == "")
 897                 get_level_title(*i);
 898
 899               context.draw_text(white_text, i->title,
 900                   Vector(screen->w/2 - white_text->get_text_width(i->title)/2,
 901                          screen->h - white_text->get_height() - 30),
 902                   LAYER_FOREGROUND1);
 903               break;
 904             }
 905         }
 906     }
 907 }
 908
 909 void
 910 WorldMap::display()
 911 {
 912   Menu::set_current(0);
 913
 914   quit = false;
 915
 916   song = sound_manager->load_music(datadir +  "/music/" + music);
 917   sound_manager->play_music(song);
 918
 919   unsigned int last_update_time;
 920   unsigned int update_time;
 921
 922   last_update_time = update_time = st_get_ticks();
 923
 924   DrawingContext context;
 925   while(!quit)
 926     {
 927       float delta = ((float)(update_time-last_update_time))/100.0;
 928
 929       delta *= 1.3f;
 930
 931       if (delta > 10.0f)
 932         delta = .3f;
 933
 934       last_update_time = update_time;
 935       update_time      = st_get_ticks();
 936
 937       Vector tux_pos = tux->get_pos();
 938       if (1)
 939         {
 940           offset.x = -tux_pos.x + screen->w/2;
 941           offset.y = -tux_pos.y + screen->h/2;
 942
 943           if (offset.x > 0) offset.x = 0;
 944           if (offset.y > 0) offset.y = 0;
 945
 946           if (offset.x < screen->w - width*32) offset.x = screen->w - width*32;
 947           if (offset.y < screen->h - height*32) offset.y = screen->h - height*32;
 948         }
 949
 950       draw(context, offset);
 951       get_input();
 952       update(delta);
 953
 954       if(Menu::current())
 955         {
 956           Menu::current()->draw(context);
 957           mouse_cursor->draw(context);
 958         }
 959
 960       context.do_drawing();
 961
 962       SDL_Delay(20);
 963     }
 964 }
 965
 966 void
 967 WorldMap::savegame(const std::string& filename)
 968 {
 969   if(filename != "")
 970     return;
 971
 972   std::cout << "savegame: " << filename << std::endl;
 973   std::ofstream out(filename.c_str());
 974
 975   int nb_solved_levels = 0;
 976   for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
 977     {
 978       if (i->solved)
 979         ++nb_solved_levels;
 980     }
 981
 982   out << "(supertux-savegame\n"
 983       << "  (version 1)\n"
 984       << "  (title  \"" << name << " - " << nb_solved_levels << "/" << levels.size() << "\")\n"
 985       << "  (map    \"" << map_filename << "\")\n"
 986       << "  (lives   " << player_status.lives << ")\n"
 987       << "  (score   " << player_status.score << ")\n"
 988       << "  (distros " << player_status.distros << ")\n"
 989       << "  (tux (x " << tux->get_tile_pos().x << ") (y " << tux->get_tile_pos().y << ")\n"
 990       << "       (back \"" << direction_to_string(tux->back_direction) << "\")\n"
 991       << "       (bonus \"" << bonus_to_string(player_status.bonus) <<  "\"))\n"
 992       << "  (levels\n";
 993
 994   for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
 995     {
 996       if (i->solved)
 997         {
 998           out << "     (level (name \"" << i->name << "\")\n"
 999               << "            (solved #t))\n";
1000         }
1001     }
1002
1003   out << "   )\n"
1004       << " )\n\n;; EOF ;;" << std::endl;
1005 }
1006
1007 void
1008 WorldMap::loadgame(const std::string& filename)
1009 {
1010   std::cout << "loadgame: " << filename << std::endl;
1011   savegame_file = filename;
1012   map_filename = "icyisland.stwm";
1013
1014   if (access(filename.c_str(), F_OK) != 0)
1015     {
1016     load_map();
1017     return;
1018     }
1019
1020   lisp_object_t* savegame = lisp_read_from_file(filename);
1021   if (!savegame)
1022     {
1023       std::cout << "WorldMap:loadgame: File not found: " << filename << std::endl;
1024       load_map();
1025       return;
1026     }
1027
1028   lisp_object_t* cur = savegame;
1029
1030   if (strcmp(lisp_symbol(lisp_car(cur)), "supertux-savegame") != 0)
1031     {
1032     load_map();
1033     return;
1034     }
1035
1036   cur = lisp_cdr(cur);
1037   LispReader reader(cur);
1038
1039   /* Get the Map filename and then load it before setting level settings */
1040   reader.read_string("map", map_filename);
1041   load_map();
1042
1043   reader.read_int("lives", player_status.lives);
1044   reader.read_int("score", player_status.score);
1045   reader.read_int("distros", player_status.distros);
1046
1047   if (player_status.lives < 0)
1048     player_status.lives = START_LIVES;
1049
1050   lisp_object_t* tux_cur = 0;
1051   if (reader.read_lisp("tux", tux_cur))
1052     {
1053       Vector p;
1054       std::string back_str = "none";
1055       std::string bonus_str = "none";
1056
1057       LispReader tux_reader(tux_cur);
1058       tux_reader.read_float("x", p.x);
1059       tux_reader.read_float("y", p.y);
1060       tux_reader.read_string("back", back_str);
1061       tux_reader.read_string("bonus", bonus_str);
1062
1063       player_status.bonus = string_to_bonus(bonus_str);
1064       tux->back_direction = string_to_direction(back_str);
1065       tux->set_tile_pos(p);
1066     }
1067
1068   lisp_object_t* level_cur = 0;
1069   if (reader.read_lisp("levels", level_cur))
1070     {
1071       while(level_cur)
1072         {
1073           lisp_object_t* sym  = lisp_car(lisp_car(level_cur));
1074           lisp_object_t* data = lisp_cdr(lisp_car(level_cur));
1075
1076           if (strcmp(lisp_symbol(sym), "level") == 0)
1077             {
1078               std::string name;
1079               bool solved = false;
1080
1081               LispReader level_reader(data);
1082               level_reader.read_string("name", name, true);
1083               level_reader.read_bool("solved", solved);
1084
1085               for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
1086                 {
1087                   if (name == i->name)
1088                     i->solved = solved;
1089                 }
1090             }
1091
1092           level_cur = lisp_cdr(level_cur);
1093         }
1094     }
1095
1096   lisp_free(savegame);
1097 }
1098
1099 void
1100 WorldMap::loadmap(const std::string& filename)
1101 {
1102   savegame_file = "";
1103   map_filename = filename;
1104   load_map();
1105 }
1106
1107 } // namespace WorldMapNS
1108
1109 /* Local Variables: */
1110 /* mode:c++ */
1111 /* End: */
1112