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 "app/globals.h"
  27 #include "video/surface.h"
  28 #include "video/screen.h"
  29 #include "video/drawing_context.h"
  30 #include "utils/lispreader.h"
  31 #include "special/frame_rate.h"
  32 #include "gameloop.h"
  33 #include "app/setup.h"
  34 #include "sector.h"
  35 #include "worldmap.h"
  36 #include "audio/sound_manager.h"
  37 #include "resources.h"
  38 #include "app/gettext.h"
  39 #include "misc.h"
  40
  41 #define DISPLAY_MAP_MESSAGE_TIME 2800
  42
  43 Menu* worldmap_menu  = 0;
  44
  45 namespace WorldMapNS {
  46
  47 Direction reverse_dir(Direction direction)
  48 {
  49   switch(direction)
  50     {
  51     case D_WEST:
  52       return D_EAST;
  53     case D_EAST:
  54       return D_WEST;
  55     case D_NORTH:
  56       return D_SOUTH;
  57     case D_SOUTH:
  58       return D_NORTH;
  59     case D_NONE:
  60       return D_NONE;
  61     }
  62   return D_NONE;
  63 }
  64
  65 std::string
  66 direction_to_string(Direction direction)
  67 {
  68   switch(direction)
  69     {
  70     case D_WEST:
  71       return "west";
  72     case D_EAST:
  73       return "east";
  74     case D_NORTH:
  75       return "north";
  76     case D_SOUTH:
  77       return "south";
  78     default:
  79       return "none";
  80     }
  81 }
  82
  83 Direction
  84 string_to_direction(const std::string& directory)
  85 {
  86   if (directory == "west")
  87     return D_WEST;
  88   else if (directory == "east")
  89     return D_EAST;
  90   else if (directory == "north")
  91     return D_NORTH;
  92   else if (directory == "south")
  93     return D_SOUTH;
  94   else
  95     return D_NONE;
  96 }
  97
  98 TileManager::TileManager()
  99 {
 100   std::string stwt_filename = datadir +  "/images/worldmap/antarctica.stwt";
 101   lisp_object_t* root_obj = lisp_read_from_file(stwt_filename);
 102
 103   if (!root_obj)
 104     Termination::abort("Couldn't load file", stwt_filename);
 105
 106   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
 107     {
 108       lisp_object_t* cur = lisp_cdr(root_obj);
 109
 110       while(!lisp_nil_p(cur))
 111         {
 112           lisp_object_t* element = lisp_car(cur);
 113
 114           if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
 115             {
 116               int id = 0;
 117               std::string filename = "<invalid>";
 118
 119               Tile* tile = new Tile;
 120               tile->north = true;
 121               tile->east  = true;
 122               tile->south = true;
 123               tile->west  = true;
 124               tile->stop  = true;
 125               tile->auto_walk = false;
 126
 127               LispReader reader(lisp_cdr(element));
 128               reader.read_int("id", id);
 129               reader.read_bool("north", tile->north);
 130               reader.read_bool("south", tile->south);
 131               reader.read_bool("west",  tile->west);
 132               reader.read_bool("east",  tile->east);
 133               reader.read_bool("stop",  tile->stop);
 134               reader.read_bool("auto-walk",  tile->auto_walk);
 135               reader.read_string("image", filename);
 136
 137               tile->sprite = new Surface(
 138                            datadir +  "/images/worldmap/" + filename,
 139                            true);
 140
 141               if (id >= int(tiles.size()))
 142                 tiles.resize(id+1);
 143
 144               tiles[id] = tile;
 145             }
 146           else
 147             {
 148               puts("Unhandled symbol");
 149             }
 150
 151           cur = lisp_cdr(cur);
 152         }
 153     }
 154   else
 155     {
 156       assert(0);
 157     }
 158
 159   lisp_free(root_obj);
 160 }
 161
 162 TileManager::~TileManager()
 163 {
 164   for(std::vector<Tile*>::iterator i = tiles.begin(); i != tiles.end(); ++i)
 165     delete *i;
 166 }
 167
 168 Tile*
 169 TileManager::get(int i)
 170 {
 171   assert(i >=0 && i < int(tiles.size()));
 172   return tiles[i];
 173 }
 174
 175 //---------------------------------------------------------------------------
 176
 177 Tux::Tux(WorldMap* worldmap_)
 178   : worldmap(worldmap_)
 179 {
 180   largetux_sprite = new Surface(datadir +  "/images/worldmap/tux.png", true);
 181   firetux_sprite = new Surface(datadir +  "/images/worldmap/firetux.png", true);
 182   smalltux_sprite = new Surface(datadir +  "/images/worldmap/smalltux.png", true);
 183
 184   offset = 0;
 185   moving = false;
 186   tile_pos.x = worldmap->get_start_x();
 187   tile_pos.y = worldmap->get_start_y();
 188   direction = D_NONE;
 189   input_direction = D_NONE;
 190 }
 191
 192 Tux::~Tux()
 193 {
 194   delete smalltux_sprite;
 195   delete firetux_sprite;
 196   delete largetux_sprite;
 197 }
 198
 199 void
 200 Tux::draw(DrawingContext& context, const Vector& offset)
 201 {
 202   Vector pos = get_pos();
 203   switch (player_status.bonus)
 204     {
 205     case PlayerStatus::GROWUP_BONUS:
 206       context.draw_surface(largetux_sprite,
 207           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 208       break;
 209     case PlayerStatus::FLOWER_BONUS:
 210       context.draw_surface(firetux_sprite,
 211           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 212       break;
 213     case PlayerStatus::NO_BONUS:
 214       context.draw_surface(smalltux_sprite,
 215           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 216       break;
 217     }
 218 }
 219
 220
 221 Vector
 222 Tux::get_pos()
 223 {
 224   float x = tile_pos.x * 32;
 225   float y = tile_pos.y * 32;
 226
 227   switch(direction)
 228     {
 229     case D_WEST:
 230       x -= offset - 32;
 231       break;
 232     case D_EAST:
 233       x += offset - 32;
 234       break;
 235     case D_NORTH:
 236       y -= offset - 32;
 237       break;
 238     case D_SOUTH:
 239       y += offset - 32;
 240       break;
 241     case D_NONE:
 242       break;
 243     }
 244
 245   return Vector((int)x, (int)y);
 246 }
 247
 248 void
 249 Tux::stop()
 250 {
 251   offset = 0;
 252   direction = D_NONE;
 253   input_direction = D_NONE;
 254   moving = false;
 255 }
 256
 257 void
 258 Tux::set_direction(Direction dir)
 259 {
 260 input_direction = dir;
 261 }
 262
 263 void
 264 Tux::action(float delta)
 265 {
 266   if (!moving)
 267     {
 268       if (input_direction != D_NONE)
 269         {
 270           WorldMap::SpecialTile* special_tile = worldmap->at_special_tile();
 271
 272           // We got a new direction, so lets start walking when possible
 273           Vector next_tile;
 274           if ((!special_tile || special_tile->solved || special_tile->level_name.empty())
 275               && worldmap->path_ok(input_direction, tile_pos, &next_tile))
 276             {
 277               tile_pos = next_tile;
 278               moving = true;
 279               direction = input_direction;
 280               back_direction = reverse_dir(direction);
 281             }
 282           else if (input_direction == back_direction)
 283             {
 284               moving = true;
 285               direction = input_direction;
 286               tile_pos = worldmap->get_next_tile(tile_pos, direction);
 287               back_direction = reverse_dir(direction);
 288             }
 289         }
 290     }
 291   else
 292     {
 293       // Let tux walk a few pixels (20 pixel/sec)
 294       offset += 20.0f * delta;
 295
 296       if (offset > 32)
 297         { // We reached the next tile, so we check what to do now
 298           offset -= 32;
 299
 300           WorldMap::SpecialTile* special_tile = worldmap->at_special_tile();
 301           if(special_tile && special_tile->passive_message)
 302             {
 303             worldmap->passive_message = special_tile->display_map_message;
 304             worldmap->passive_message_timer.start(DISPLAY_MAP_MESSAGE_TIME);
 305             }
 306
 307           if (worldmap->at(tile_pos)->stop || (special_tile &&
 308               !special_tile->passive_message))
 309             {
 310               stop();
 311             }
 312           else
 313             {
 314               if (worldmap->at(tile_pos)->auto_walk || direction != input_direction)
 315                 { // Turn to a new direction
 316                   Tile* tile = worldmap->at(tile_pos);
 317
 318                   if(direction != input_direction &&
 319                      ((tile->north && input_direction == D_NORTH) ||
 320                      (tile->south && input_direction == D_SOUTH) ||
 321                      (tile->east && input_direction == D_EAST) ||
 322                      (tile->west && input_direction == D_WEST)))
 323                     {  // player has changed direction during auto-movement
 324                     direction = input_direction;
 325                     back_direction = reverse_dir(direction);
 326                     }
 327                   else if(direction != input_direction)
 328                     {  // player has changed to impossible tile
 329                       back_direction = reverse_dir(direction);
 330                       stop();
 331                     }
 332                   else
 333                     {
 334                     Direction dir = D_NONE;
 335
 336                     if (tile->north && back_direction != D_NORTH)
 337                       dir = D_NORTH;
 338                     else if (tile->south && back_direction != D_SOUTH)
 339                       dir = D_SOUTH;
 340                     else if (tile->east && back_direction != D_EAST)
 341                       dir = D_EAST;
 342                     else if (tile->west && back_direction != D_WEST)
 343                       dir = D_WEST;
 344
 345                     if (dir != D_NONE)
 346                       {
 347                       direction = dir;
 348                       input_direction = direction;
 349                       back_direction = reverse_dir(direction);
 350                       }
 351                     else
 352                       {
 353                       // Should never be reached if tiledata is good
 354                       stop();
 355                       return;
 356                       }
 357                     }
 358                   }
 359
 360               // Walk automatically to the next tile
 361               if(direction != D_NONE)
 362                 {
 363                 Vector next_tile;
 364                 if (worldmap->path_ok(direction, tile_pos, &next_tile))
 365                   {
 366                   tile_pos = next_tile;
 367                   }
 368                 else
 369                   {
 370                   puts("Tilemap data is buggy");
 371                   stop();
 372                   }
 373                 }
 374             }
 375         }
 376     }
 377 }
 378
 379 //---------------------------------------------------------------------------
 380 Tile::Tile()
 381 {
 382 }
 383
 384 Tile::~Tile()
 385 {
 386   delete sprite;
 387 }
 388
 389 //---------------------------------------------------------------------------
 390
 391 WorldMap::WorldMap()
 392 {
 393   tile_manager = new TileManager();
 394   //tux = new Tux(this);
 395
 396   width  = 20;
 397   height = 15;
 398
 399   start_x = 4;
 400   start_y = 5;
 401
 402   leveldot_green = new Surface(datadir +  "/images/worldmap/leveldot_green.png", true);
 403   leveldot_red = new Surface(datadir +  "/images/worldmap/leveldot_red.png", true);
 404   messagedot   = new Surface(datadir +  "/images/worldmap/messagedot.png", true);
 405
 406   enter_level = false;
 407
 408   name = "<no title>";
 409   music = "SALCON.MOD";
 410 }
 411
 412 WorldMap::~WorldMap()
 413 {
 414   delete tux;
 415   delete tile_manager;
 416
 417   delete leveldot_green;
 418   delete leveldot_red;
 419   delete messagedot;
 420 }
 421
 422 void
 423 WorldMap::load_map()
 424 {
 425   lisp_object_t* root_obj = lisp_read_from_file(datadir + "/levels/worldmap/" + map_filename);
 426   if (!root_obj)
 427     Termination::abort("Couldn't load file", datadir + "/levels/worldmap/" + map_filename);
 428
 429   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
 430     {
 431       lisp_object_t* cur = lisp_cdr(root_obj);
 432
 433       while(!lisp_nil_p(cur))
 434         {
 435           lisp_object_t* element = lisp_car(cur);
 436
 437           if (strcmp(lisp_symbol(lisp_car(element)), "tilemap") == 0)
 438             {
 439               LispReader reader(lisp_cdr(element));
 440               reader.read_int("width",  width);
 441               reader.read_int("height", height);
 442               reader.read_int_vector("data", tilemap);
 443             }
 444           else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
 445             {
 446               LispReader reader(lisp_cdr(element));
 447               reader.read_string("name", name, true);
 448               reader.read_string("music", music);
 449               reader.read_int("start_pos_x", start_x);
 450               reader.read_int("start_pos_y", start_y);
 451             }
 452           else if (strcmp(lisp_symbol(lisp_car(element)), "special-tiles") == 0 ||
 453                    strcmp(lisp_symbol(lisp_car(element)), "levels") == 0)
 454             {
 455               lisp_object_t* cur = lisp_cdr(element);
 456
 457               while(!lisp_nil_p(cur))
 458                 {
 459                   lisp_object_t* element = lisp_car(cur);
 460
 461                   if (strcmp(lisp_symbol(lisp_car(element)), "special-tile") == 0)
 462                     {
 463                       SpecialTile special_tile;
 464                       LispReader reader(lisp_cdr(element));
 465                       special_tile.solved = false;
 466
 467                       special_tile.north = true;
 468                       special_tile.east  = true;
 469                       special_tile.south = true;
 470                       special_tile.west  = true;
 471
 472                       reader.read_string("extro-filename", special_tile.extro_filename);
 473                       reader.read_string("passive-message", special_tile.display_map_message);
 474                       special_tile.passive_message = false;
 475                       if(!special_tile.display_map_message.empty())
 476                         special_tile.passive_message = true;
 477                       reader.read_string("map-message", special_tile.display_map_message);
 478                       reader.read_string("next-world", special_tile.next_worldmap);
 479                       reader.read_string("level", special_tile.level_name, true);
 480                       reader.read_int("x", special_tile.x);
 481                       reader.read_int("y", special_tile.y);
 482                       special_tile.auto_path = true;
 483                       reader.read_bool("auto-path", special_tile.auto_path);
 484                       special_tile.swap_x = special_tile.swap_y = -1;
 485                       reader.read_int("swap-x", special_tile.swap_x);
 486                       reader.read_int("swap-y", special_tile.swap_y);
 487                       special_tile.vertical_flip = false;
 488                       reader.read_bool("flip-special_tile", special_tile.vertical_flip);
 489                       special_tile.quit_worldmap = false;
 490                       reader.read_bool("exit-game", special_tile.quit_worldmap);
 491
 492                       special_tiles.push_back(special_tile);
 493                     }
 494
 495                   /* Kept for backward compability */
 496                   else if (strcmp(lisp_symbol(lisp_car(element)), "level") == 0)
 497                     {
 498                       SpecialTile special_tile;
 499                       LispReader reader(lisp_cdr(element));
 500                       special_tile.solved = false;
 501
 502                       special_tile.north = true;
 503                       special_tile.east  = true;
 504                       special_tile.south = true;
 505                       special_tile.west  = true;
 506
 507                       reader.read_string("extro-filename", special_tile.extro_filename);
 508                       if(!special_tile.extro_filename.empty())
 509                         special_tile.quit_worldmap = true;
 510                       reader.read_string("name", special_tile.level_name, true);
 511                       reader.read_int("x", special_tile.x);
 512                       reader.read_int("y", special_tile.y);
 513                       special_tile.vertical_flip = false;
 514                       special_tile.swap_x = special_tile.swap_y = -1;
 515
 516                       special_tiles.push_back(special_tile);
 517                     }
 518
 519                   cur = lisp_cdr(cur);
 520                 }
 521             }
 522           else
 523             {
 524
 525             }
 526
 527           cur = lisp_cdr(cur);
 528         }
 529     }
 530
 531     lisp_free(root_obj);
 532     tux = new Tux(this);
 533 }
 534
 535 void WorldMap::get_level_title(SpecialTile& special_tile)
 536 {
 537   /** get special_tile's title */
 538   special_tile.title = "<no title>";
 539
 540   LispReader* reader = LispReader::load(datadir + "/levels/" + special_tile.level_name, "supertux-level");
 541   if(!reader)
 542     {
 543     std::cerr << "Error: Could not open level file. Ignoring...\n";
 544     return;
 545     }
 546
 547   reader->read_string("name", special_tile.title, true);
 548   delete reader;
 549 }
 550
 551 void
 552 WorldMap::on_escape_press()
 553 {
 554   // Show or hide the menu
 555   if(!Menu::current())
 556     {
 557     Menu::set_current(worldmap_menu);
 558     tux->set_direction(D_NONE);  // stop tux movement when menu is called
 559     }
 560   else
 561     Menu::set_current(0);
 562 }
 563
 564 void
 565 WorldMap::get_input()
 566 {
 567   enter_level = false;
 568
 569   SDL_Event event;
 570   while (SDL_PollEvent(&event))
 571     {
 572       if (Menu::current())
 573         {
 574           Menu::current()->event(event);
 575         }
 576       else
 577         {
 578           switch(event.type)
 579             {
 580             case SDL_QUIT:
 581               Termination::abort("Received window close", "");
 582               break;
 583
 584             case SDL_KEYDOWN:
 585               switch(event.key.keysym.sym)
 586                 {
 587                 case SDLK_ESCAPE:
 588                   on_escape_press();
 589                   break;
 590                 case SDLK_LCTRL:
 591                 case SDLK_RETURN:
 592                   enter_level = true;
 593                   break;
 594
 595                 case SDLK_LEFT:
 596                   tux->set_direction(D_WEST);
 597                   break;
 598                 case SDLK_RIGHT:
 599                   tux->set_direction(D_EAST);
 600                   break;
 601                 case SDLK_UP:
 602                   tux->set_direction(D_NORTH);
 603                   break;
 604                 case SDLK_DOWN:
 605                   tux->set_direction(D_SOUTH);
 606                   break;
 607
 608                 default:
 609                   break;
 610                 }
 611               break;
 612
 613             case SDL_JOYAXISMOTION:
 614               if (event.jaxis.axis == joystick_keymap.x_axis)
 615                 {
 616                   if (event.jaxis.value < -joystick_keymap.dead_zone)
 617                     tux->set_direction(D_WEST);
 618                   else if (event.jaxis.value > joystick_keymap.dead_zone)
 619                     tux->set_direction(D_EAST);
 620                 }
 621               else if (event.jaxis.axis == joystick_keymap.y_axis)
 622                 {
 623                   if (event.jaxis.value > joystick_keymap.dead_zone)
 624                     tux->set_direction(D_SOUTH);
 625                   else if (event.jaxis.value < -joystick_keymap.dead_zone)
 626                     tux->set_direction(D_NORTH);
 627                 }
 628               break;
 629
 630             case SDL_JOYBUTTONDOWN:
 631               if (event.jbutton.button == joystick_keymap.b_button)
 632                 enter_level = true;
 633               else if (event.jbutton.button == joystick_keymap.start_button)
 634                 on_escape_press();
 635               break;
 636
 637             default:
 638               break;
 639             }
 640         }
 641     }
 642 }
 643
 644 Vector
 645 WorldMap::get_next_tile(Vector pos, Direction direction)
 646 {
 647   switch(direction)
 648     {
 649     case D_WEST:
 650       pos.x -= 1;
 651       break;
 652     case D_EAST:
 653       pos.x += 1;
 654       break;
 655     case D_NORTH:
 656       pos.y -= 1;
 657       break;
 658     case D_SOUTH:
 659       pos.y += 1;
 660       break;
 661     case D_NONE:
 662       break;
 663     }
 664   return pos;
 665 }
 666
 667 bool
 668 WorldMap::path_ok(Direction direction, Vector old_pos, Vector* new_pos)
 669 {
 670   *new_pos = get_next_tile(old_pos, direction);
 671
 672   if (!(new_pos->x >= 0 && new_pos->x < width
 673         && new_pos->y >= 0 && new_pos->y < height))
 674     { // New position is outsite the tilemap
 675       return false;
 676     }
 677   else
 678     { // Check if we the tile allows us to go to new_pos
 679       switch(direction)
 680         {
 681         case D_WEST:
 682           return (at(old_pos)->west && at(*new_pos)->east);
 683
 684         case D_EAST:
 685           return (at(old_pos)->east && at(*new_pos)->west);
 686
 687         case D_NORTH:
 688           return (at(old_pos)->north && at(*new_pos)->south);
 689
 690         case D_SOUTH:
 691           return (at(old_pos)->south && at(*new_pos)->north);
 692
 693         case D_NONE:
 694           assert(!"path_ok() can't work if direction is NONE");
 695         }
 696       return false;
 697     }
 698 }
 699
 700 void
 701 WorldMap::update(float delta)
 702 {
 703   if (enter_level && !tux->is_moving())
 704     {
 705       bool level_finished = true;
 706       SpecialTile* special_tile = at_special_tile();
 707       if (!special_tile)
 708         {
 709         std::cout << "Nothing to enter at: "
 710           << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
 711         return;
 712         }
 713
 714
 715       if(!special_tile->level_name.empty())
 716         {
 717           if (special_tile->x == tux->get_tile_pos().x &&
 718               special_tile->y == tux->get_tile_pos().y)
 719             {
 720               PlayerStatus old_player_status = player_status;
 721
 722               std::cout << "Enter the current level: " << special_tile->level_name << std::endl;
 723               // do a shriking fade to the special_tile
 724               shrink_fade(Vector((special_tile->x*32 + 16 + offset.x),(special_tile->y*32 + 16
 725                       + offset.y)), 500);
 726               GameSession session(datadir +  "/levels/" + special_tile->level_name,
 727                                   ST_GL_LOAD_LEVEL_FILE, special_tile->vertical_flip);
 728
 729               switch (session.run())
 730                 {
 731                 case GameSession::ES_LEVEL_FINISHED:
 732                   {
 733                     level_finished = true;
 734                     bool old_level_state = special_tile->solved;
 735                     special_tile->solved = true;
 736
 737                     if (session.get_current_sector()->player->got_power !=
 738                           session.get_current_sector()->player->NONE_POWER)
 739                       player_status.bonus = PlayerStatus::FLOWER_BONUS;
 740                     else if (session.get_current_sector()->player->size == BIG)
 741                       player_status.bonus = PlayerStatus::GROWUP_BONUS;
 742                     else
 743                       player_status.bonus = PlayerStatus::NO_BONUS;
 744
 745                     if (old_level_state != special_tile->solved && special_tile->auto_path)
 746                       { // Try to detect the next direction to which we should walk
 747                         // FIXME: Mostly a hack
 748                         Direction dir = D_NONE;
 749
 750                         Tile* tile = at(tux->get_tile_pos());
 751
 752                         if (tile->north && tux->back_direction != D_NORTH)
 753                           dir = D_NORTH;
 754                         else if (tile->south && tux->back_direction != D_SOUTH)
 755                           dir = D_SOUTH;
 756                         else if (tile->east && tux->back_direction != D_EAST)
 757                           dir = D_EAST;
 758                         else if (tile->west && tux->back_direction != D_WEST)
 759                           dir = D_WEST;
 760
 761                         if (dir != D_NONE)
 762                           {
 763                             tux->set_direction(dir);
 764                             //tux->update(delta);
 765                           }
 766
 767                         std::cout << "Walk to dir: " << dir << std::endl;
 768                       }
 769                   }
 770
 771                   break;
 772                 case GameSession::ES_LEVEL_ABORT:
 773                   level_finished = false;
 774                   /* In case the player's abort the special_tile, keep it using the old
 775                       status. But the minimum lives and no bonus. */
 776                   player_status.score = old_player_status.score;
 777                   player_status.distros = old_player_status.distros;
 778                   player_status.lives = std::min(old_player_status.lives, player_status.lives);
 779                   player_status.bonus = player_status.NO_BONUS;
 780
 781                   break;
 782                 case GameSession::ES_GAME_OVER:
 783                   {
 784                   level_finished = false;
 785                   /* draw an end screen */
 786                   /* in the future, this should make a dialog a la SuperMario, asking
 787                   if the player wants to restart the world map with no score and from
 788                   special_tile 1 */
 789                   char str[80];
 790
 791                   DrawingContext context;
 792                   context.draw_gradient(Color (200,240,220), Color(200,200,220),
 793                       LAYER_BACKGROUND0);
 794
 795                   context.draw_text_center(blue_text, _("GAMEOVER"),
 796                       Vector(0, 200), LAYER_FOREGROUND1);
 797
 798                   sprintf(str, _("SCORE: %d"), player_status.score);
 799                   context.draw_text_center(gold_text, str,
 800                       Vector(0, 230), LAYER_FOREGROUND1);
 801
 802                   sprintf(str, _("COINS: %d"), player_status.distros);
 803                   context.draw_text_center(gold_text, str,
 804                       Vector(0, screen->w - 32), LAYER_FOREGROUND1);
 805
 806                   context.do_drawing();
 807
 808                   SDL_Event event;
 809                   wait_for_event(event,2000,5000,true);
 810
 811                   quit = true;
 812                   player_status.reset();
 813                   break;
 814                   }
 815                 case GameSession::ES_NONE:
 816                   assert(false);
 817                   // Should never be reached
 818                   break;
 819                 }
 820
 821               SoundManager::get()->play_music(song);
 822               Menu::set_current(0);
 823               if (!savegame_file.empty())
 824                 savegame(savegame_file);
 825             }
 826         }
 827       /* The porpose of the next checking is that if the player lost
 828          the special_tile (in case there is one), don't show anything */
 829       if(level_finished)
 830         {
 831         if (!special_tile->extro_filename.empty())
 832           {
 833           // Display a text file
 834           display_text_file(special_tile->extro_filename, SCROLL_SPEED_MESSAGE, white_big_text , white_text, white_small_text, blue_text );
 835           }
 836         if (special_tile->swap_x != -1 && special_tile->swap_y != -1)
 837           {
 838           // TODO: add an effect, like a camera scrolling, or at least, a fading
 839           tux->set_tile_pos(Vector(special_tile->swap_x, special_tile->swap_y));
 840           }
 841         if (!special_tile->next_worldmap.empty())
 842           {
 843           // Load given worldmap
 844           loadmap(special_tile->next_worldmap);
 845           }
 846         if (special_tile->quit_worldmap)
 847           quit = true;
 848         }
 849     }
 850   else
 851     {
 852       tux->action(delta);
 853 //      tux->set_direction(input_direction);
 854     }
 855
 856   Menu* menu = Menu::current();
 857   if(menu)
 858     {
 859       menu->action();
 860
 861       if(menu == worldmap_menu)
 862         {
 863           switch (worldmap_menu->check())
 864             {
 865             case MNID_RETURNWORLDMAP: // Return to game
 866               break;
 867             case MNID_QUITWORLDMAP: // Quit Worldmap
 868               quit = true;
 869               break;
 870             }
 871         }
 872       else if(menu == options_menu)
 873         {
 874           process_options_menu();
 875         }
 876     }
 877 }
 878
 879 Tile*
 880 WorldMap::at(Vector p)
 881 {
 882   assert(p.x >= 0
 883          && p.x < width
 884          && p.y >= 0
 885          && p.y < height);
 886
 887   int x = int(p.x);
 888   int y = int(p.y);
 889   return tile_manager->get(tilemap[width * y + x]);
 890 }
 891
 892 WorldMap::SpecialTile*
 893 WorldMap::at_special_tile()
 894 {
 895   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 896     {
 897       if (i->x == tux->get_tile_pos().x &&
 898           i->y == tux->get_tile_pos().y)
 899         return &*i;
 900     }
 901
 902   return 0;
 903 }
 904
 905
 906 void
 907 WorldMap::draw(DrawingContext& context, const Vector& offset)
 908 {
 909   for(int y = 0; y < height; ++y)
 910     for(int x = 0; x < width; ++x)
 911       {
 912         Tile* tile = at(Vector(x, y));
 913         context.draw_surface(tile->sprite,
 914             Vector(x*32 + offset.x, y*32 + offset.y), LAYER_TILES);
 915       }
 916
 917   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 918     {
 919       if(i->level_name.empty())
 920         {
 921         if (!i->display_map_message.empty() && !i->passive_message)
 922           context.draw_surface(messagedot,
 923               Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 924
 925         continue;
 926         }
 927
 928       if (i->solved)
 929         context.draw_surface(leveldot_green,
 930             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 931       else
 932         context.draw_surface(leveldot_red,
 933             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 934     }
 935
 936   tux->draw(context, offset);
 937   draw_status(context);
 938 }
 939
 940 void
 941 WorldMap::draw_status(DrawingContext& context)
 942 {
 943   char str[80];
 944   sprintf(str, " %d", player_status.score);
 945
 946   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LAYER_FOREGROUND1);
 947   context.draw_text(gold_text, str, Vector(96, 0), LAYER_FOREGROUND1);
 948
 949   sprintf(str, "%d", player_status.distros);
 950   context.draw_text(white_text, _("COINS"), Vector(screen->w/2 - 16*5, 0),
 951       LAYER_FOREGROUND1);
 952   context.draw_text(gold_text, str, Vector(screen->w/2 + (16*5)/2, 0),
 953         LAYER_FOREGROUND1);
 954
 955   if (player_status.lives >= 5)
 956     {
 957       sprintf(str, "%dx", player_status.lives);
 958       context.draw_text(gold_text, str,
 959           Vector(screen->w - gold_text->get_text_width(str) - tux_life->w, 0),
 960           LAYER_FOREGROUND1);
 961       context.draw_surface(tux_life, Vector(screen->w -
 962             gold_text->get_text_width("9"), 0), LAYER_FOREGROUND1);
 963     }
 964   else
 965     {
 966       for(int i= 0; i < player_status.lives; ++i)
 967         context.draw_surface(tux_life,
 968             Vector(screen->w - tux_life->w*4 + (tux_life->w*i), 0),
 969             LAYER_FOREGROUND1);
 970     }
 971   context.draw_text(white_text, _("LIVES"),
 972       Vector(screen->w - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 0),
 973       LAYER_FOREGROUND1);
 974
 975   if (!tux->is_moving())
 976     {
 977       for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 978         {
 979           if (i->x == tux->get_tile_pos().x &&
 980               i->y == tux->get_tile_pos().y)
 981             {
 982               if(!i->level_name.empty())
 983                 {
 984                 if(i->title == "")
 985                   get_level_title(*i);
 986
 987                 context.draw_text_center(white_text, i->title,
 988                     Vector(0, screen->h - white_text->get_height() - 30),
 989                     LAYER_FOREGROUND1);
 990                 }
 991
 992               /* Display an in-map message in the map, if any as been selected */
 993               if(!i->display_map_message.empty())
 994                 context.draw_text_center(gold_text, i->display_map_message,
 995                     Vector(0, screen->h - white_text->get_height() - 60),
 996                     LAYER_FOREGROUND1);
 997               break;
 998             }
 999         }
1000     }
1001   /* Display a passive message in the map, if needed */
1002   if(passive_message_timer.check())
1003     context.draw_text_center(gold_text, passive_message,
1004             Vector(0, screen->h - white_text->get_height() - 60),
1005             LAYER_FOREGROUND1);
1006 }
1007
1008 void
1009 WorldMap::display()
1010 {
1011   Menu::set_current(0);
1012
1013   quit = false;
1014
1015   song = SoundManager::get()->load_music(datadir +  "/music/" + music);
1016   SoundManager::get()->play_music(song);
1017
1018   FrameRate frame_rate(10);
1019   frame_rate.set_frame_limit(false);
1020
1021   frame_rate.start();
1022
1023   DrawingContext context;
1024   while(!quit)
1025     {
1026       float delta = frame_rate.get();
1027
1028       delta *= 1.3f;
1029
1030       if (delta > 10.0f)
1031         delta = .3f;
1032
1033       frame_rate.update();
1034
1035       Vector tux_pos = tux->get_pos();
1036       if (1)
1037         {
1038           offset.x = -tux_pos.x + screen->w/2;
1039           offset.y = -tux_pos.y + screen->h/2;
1040
1041           if (offset.x > 0) offset.x = 0;
1042           if (offset.y > 0) offset.y = 0;
1043
1044           if (offset.x < screen->w - width*32) offset.x = screen->w - width*32;
1045           if (offset.y < screen->h - height*32) offset.y = screen->h - height*32;
1046         }
1047
1048       draw(context, offset);
1049       get_input();
1050       update(delta);
1051
1052       if(Menu::current())
1053         {
1054           Menu::current()->draw(context);
1055           mouse_cursor->draw(context);
1056         }
1057
1058       context.do_drawing();
1059
1060       SDL_Delay(20);
1061     }
1062 }
1063
1064 void
1065 WorldMap::savegame(const std::string& filename)
1066 {
1067   if(filename == "")
1068     return;
1069
1070   std::cout << "savegame: " << filename << std::endl;
1071   std::ofstream out(filename.c_str());
1072
1073   int nb_solved_levels = 0;
1074   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
1075     {
1076       if (i->solved)
1077         ++nb_solved_levels;
1078     }
1079
1080   out << "(supertux-savegame\n"
1081       << "  (version 1)\n"
1082       << "  (title  \"" << name << " - " << nb_solved_levels << "/" << special_tiles.size() << "\")\n"
1083       << "  (map    \"" << map_filename << "\")\n"
1084       << "  (lives   " << player_status.lives << ")\n"
1085       << "  (score   " << player_status.score << ")\n"
1086       << "  (distros " << player_status.distros << ")\n"
1087       << "  (tux (x " << tux->get_tile_pos().x << ") (y " << tux->get_tile_pos().y << ")\n"
1088       << "       (back \"" << direction_to_string(tux->back_direction) << "\")\n"
1089       << "       (bonus \"" << bonus_to_string(player_status.bonus) <<  "\"))\n"
1090       << "  (levels\n";
1091
1092   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
1093     {
1094       if (i->solved && !i->level_name.empty())
1095         {
1096           out << "     (level (name \"" << i->level_name << "\")\n"
1097               << "            (solved #t))\n";
1098         }
1099     }
1100
1101   out << "   )\n"
1102       << " )\n\n;; EOF ;;" << std::endl;
1103 }
1104
1105 void
1106 WorldMap::loadgame(const std::string& filename)
1107 {
1108   std::cout << "loadgame: " << filename << std::endl;
1109   savegame_file = filename;
1110   map_filename = "icyisland.stwm";
1111
1112   if (access(filename.c_str(), F_OK) != 0)
1113     {
1114     load_map();
1115     return;
1116     }
1117
1118   lisp_object_t* savegame = lisp_read_from_file(filename);
1119   if (!savegame)
1120     {
1121       std::cout << "WorldMap:loadgame: File not found: " << filename << std::endl;
1122       load_map();
1123       return;
1124     }
1125
1126   lisp_object_t* cur = savegame;
1127
1128   if (strcmp(lisp_symbol(lisp_car(cur)), "supertux-savegame") != 0)
1129     {
1130     load_map();
1131     return;
1132     }
1133
1134   cur = lisp_cdr(cur);
1135   LispReader reader(cur);
1136
1137   /* Get the Map filename and then load it before setting special_tile settings */
1138   reader.read_string("map", map_filename);
1139   load_map();
1140
1141   reader.read_int("lives", player_status.lives);
1142   reader.read_int("score", player_status.score);
1143   reader.read_int("distros", player_status.distros);
1144
1145   if (player_status.lives < 0)
1146     player_status.lives = START_LIVES;
1147
1148   lisp_object_t* tux_cur = 0;
1149   if (reader.read_lisp("tux", tux_cur))
1150     {
1151       Vector p;
1152       std::string back_str = "none";
1153       std::string bonus_str = "none";
1154
1155       LispReader tux_reader(tux_cur);
1156       tux_reader.read_float("x", p.x);
1157       tux_reader.read_float("y", p.y);
1158       tux_reader.read_string("back", back_str);
1159       tux_reader.read_string("bonus", bonus_str);
1160
1161       player_status.bonus = string_to_bonus(bonus_str);
1162       tux->back_direction = string_to_direction(back_str);
1163       tux->set_tile_pos(p);
1164     }
1165
1166   lisp_object_t* level_cur = 0;
1167   if (reader.read_lisp("levels", level_cur))
1168     {
1169       while(level_cur)
1170         {
1171           lisp_object_t* sym  = lisp_car(lisp_car(level_cur));
1172           lisp_object_t* data = lisp_cdr(lisp_car(level_cur));
1173
1174           if (strcmp(lisp_symbol(sym), "level") == 0)
1175             {
1176               std::string name;
1177               bool solved = false;
1178
1179               LispReader level_reader(data);
1180               level_reader.read_string("name", name, true);
1181               level_reader.read_bool("solved", solved);
1182
1183               for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
1184                 {
1185                   if (name == i->level_name)
1186                     i->solved = solved;
1187                 }
1188             }
1189
1190           level_cur = lisp_cdr(level_cur);
1191         }
1192     }
1193
1194   lisp_free(savegame);
1195 }
1196
1197 void
1198 WorldMap::loadmap(const std::string& filename)
1199 {
1200   savegame_file = "";
1201   map_filename = filename;
1202   load_map();
1203 }
1204
1205 } // namespace WorldMapNS
1206
1207 /* Local Variables: */
1208 /* mode:c++ */
1209 /* End: */
1210