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 "gameloop.h"
  32 #include "app/setup.h"
  33 #include "sector.h"
  34 #include "worldmap.h"
  35 #include "audio/sound_manager.h"
  36 #include "resources.h"
  37 #include "app/gettext.h"
  38 #include "misc.h"
  39
  40 #define DISPLAY_MAP_MESSAGE_TIME 2800
  41
  42 Menu* worldmap_menu  = 0;
  43
  44 namespace WorldMapNS {
  45
  46 Direction reverse_dir(Direction direction)
  47 {
  48   switch(direction)
  49     {
  50     case D_WEST:
  51       return D_EAST;
  52     case D_EAST:
  53       return D_WEST;
  54     case D_NORTH:
  55       return D_SOUTH;
  56     case D_SOUTH:
  57       return D_NORTH;
  58     case D_NONE:
  59       return D_NONE;
  60     }
  61   return D_NONE;
  62 }
  63
  64 std::string
  65 direction_to_string(Direction direction)
  66 {
  67   switch(direction)
  68     {
  69     case D_WEST:
  70       return "west";
  71     case D_EAST:
  72       return "east";
  73     case D_NORTH:
  74       return "north";
  75     case D_SOUTH:
  76       return "south";
  77     default:
  78       return "none";
  79     }
  80 }
  81
  82 Direction
  83 string_to_direction(const std::string& directory)
  84 {
  85   if (directory == "west")
  86     return D_WEST;
  87   else if (directory == "east")
  88     return D_EAST;
  89   else if (directory == "north")
  90     return D_NORTH;
  91   else if (directory == "south")
  92     return D_SOUTH;
  93   else
  94     return D_NONE;
  95 }
  96
  97 TileManager::TileManager()
  98 {
  99   std::string stwt_filename = datadir +  "/images/worldmap/antarctica.stwt";
 100   lisp_object_t* root_obj = lisp_read_from_file(stwt_filename);
 101
 102   if (!root_obj)
 103     Termination::abort("Couldn't load file", stwt_filename);
 104
 105   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
 106     {
 107       lisp_object_t* cur = lisp_cdr(root_obj);
 108
 109       while(!lisp_nil_p(cur))
 110         {
 111           lisp_object_t* element = lisp_car(cur);
 112
 113           if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
 114             {
 115               int id = 0;
 116               std::string filename = "<invalid>";
 117
 118               Tile* tile = new Tile;
 119               tile->north = true;
 120               tile->east  = true;
 121               tile->south = true;
 122               tile->west  = true;
 123               tile->stop  = true;
 124               tile->auto_walk = false;
 125
 126               LispReader reader(lisp_cdr(element));
 127               reader.read_int("id", id);
 128               reader.read_bool("north", tile->north);
 129               reader.read_bool("south", tile->south);
 130               reader.read_bool("west",  tile->west);
 131               reader.read_bool("east",  tile->east);
 132               reader.read_bool("stop",  tile->stop);
 133               reader.read_bool("auto-walk",  tile->auto_walk);
 134               reader.read_string("image", filename);
 135
 136               tile->sprite = new Surface(
 137                            datadir +  "/images/worldmap/" + filename,
 138                            true);
 139
 140               if (id >= int(tiles.size()))
 141                 tiles.resize(id+1);
 142
 143               tiles[id] = tile;
 144             }
 145           else
 146             {
 147               puts("Unhandled symbol");
 148             }
 149
 150           cur = lisp_cdr(cur);
 151         }
 152     }
 153   else
 154     {
 155       assert(0);
 156     }
 157
 158   lisp_free(root_obj);
 159 }
 160
 161 TileManager::~TileManager()
 162 {
 163   for(std::vector<Tile*>::iterator i = tiles.begin(); i != tiles.end(); ++i)
 164     delete *i;
 165 }
 166
 167 Tile*
 168 TileManager::get(int i)
 169 {
 170   assert(i >=0 && i < int(tiles.size()));
 171   return tiles[i];
 172 }
 173
 174 //---------------------------------------------------------------------------
 175
 176 Tux::Tux(WorldMap* worldmap_)
 177   : worldmap(worldmap_)
 178 {
 179   largetux_sprite = new Surface(datadir +  "/images/worldmap/tux.png", true);
 180   firetux_sprite = new Surface(datadir +  "/images/worldmap/firetux.png", true);
 181   smalltux_sprite = new Surface(datadir +  "/images/worldmap/smalltux.png", true);
 182
 183   offset = 0;
 184   moving = false;
 185   tile_pos.x = worldmap->get_start_x();
 186   tile_pos.y = worldmap->get_start_y();
 187   direction = D_NONE;
 188   input_direction = D_NONE;
 189 }
 190
 191 Tux::~Tux()
 192 {
 193   delete smalltux_sprite;
 194   delete firetux_sprite;
 195   delete largetux_sprite;
 196 }
 197
 198 void
 199 Tux::draw(DrawingContext& context, const Vector& offset)
 200 {
 201   Vector pos = get_pos();
 202   switch (player_status.bonus)
 203     {
 204     case PlayerStatus::GROWUP_BONUS:
 205       context.draw_surface(largetux_sprite,
 206           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 207       break;
 208     case PlayerStatus::FLOWER_BONUS:
 209       context.draw_surface(firetux_sprite,
 210           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 211       break;
 212     case PlayerStatus::NO_BONUS:
 213       context.draw_surface(smalltux_sprite,
 214           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 215       break;
 216     }
 217 }
 218
 219
 220 Vector
 221 Tux::get_pos()
 222 {
 223   float x = tile_pos.x * 32;
 224   float y = tile_pos.y * 32;
 225
 226   switch(direction)
 227     {
 228     case D_WEST:
 229       x -= offset - 32;
 230       break;
 231     case D_EAST:
 232       x += offset - 32;
 233       break;
 234     case D_NORTH:
 235       y -= offset - 32;
 236       break;
 237     case D_SOUTH:
 238       y += offset - 32;
 239       break;
 240     case D_NONE:
 241       break;
 242     }
 243
 244   return Vector((int)x, (int)y);
 245 }
 246
 247 void
 248 Tux::stop()
 249 {
 250   offset = 0;
 251   direction = D_NONE;
 252   input_direction = D_NONE;
 253   moving = false;
 254 }
 255
 256 void
 257 Tux::set_direction(Direction dir)
 258 {
 259 input_direction = dir;
 260 }
 261
 262 void
 263 Tux::action(float delta)
 264 {
 265   if (!moving)
 266     {
 267       if (input_direction != D_NONE)
 268         {
 269           WorldMap::SpecialTile* special_tile = worldmap->at_special_tile();
 270
 271           // We got a new direction, so lets start walking when possible
 272           Vector next_tile;
 273           if ((!special_tile || special_tile->solved || special_tile->level_name.empty())
 274               && worldmap->path_ok(input_direction, tile_pos, &next_tile))
 275             {
 276               tile_pos = next_tile;
 277               moving = true;
 278               direction = input_direction;
 279               back_direction = reverse_dir(direction);
 280             }
 281           else if (input_direction == back_direction)
 282             {
 283               moving = true;
 284               direction = input_direction;
 285               tile_pos = worldmap->get_next_tile(tile_pos, direction);
 286               back_direction = reverse_dir(direction);
 287             }
 288         }
 289     }
 290   else
 291     {
 292       // Let tux walk a few pixels (20 pixel/sec)
 293       offset += 20.0f * delta;
 294
 295       if (offset > 32)
 296         { // We reached the next tile, so we check what to do now
 297           offset -= 32;
 298
 299           WorldMap::SpecialTile* special_tile = worldmap->at_special_tile();
 300           if(special_tile && special_tile->passive_message)
 301             {
 302             worldmap->passive_message = special_tile->display_map_message;
 303             worldmap->passive_message_timer.start(DISPLAY_MAP_MESSAGE_TIME);
 304             }
 305
 306           if (worldmap->at(tile_pos)->stop || (special_tile &&
 307               !special_tile->passive_message))
 308             {
 309               stop();
 310             }
 311           else
 312             {
 313               if (worldmap->at(tile_pos)->auto_walk || direction != input_direction)
 314                 { // Turn to a new direction
 315                   Tile* tile = worldmap->at(tile_pos);
 316
 317                   if(direction != input_direction &&
 318                      ((tile->north && input_direction == D_NORTH) ||
 319                      (tile->south && input_direction == D_SOUTH) ||
 320                      (tile->east && input_direction == D_EAST) ||
 321                      (tile->west && input_direction == D_WEST)))
 322                     {  // player has changed direction during auto-movement
 323                     direction = input_direction;
 324                     back_direction = reverse_dir(direction);
 325                     }
 326                   else if(direction != input_direction)
 327                     {  // player has changed to impossible tile
 328                       back_direction = reverse_dir(direction);
 329                       stop();
 330                     }
 331                   else
 332                     {
 333                     Direction dir = D_NONE;
 334
 335                     if (tile->north && back_direction != D_NORTH)
 336                       dir = D_NORTH;
 337                     else if (tile->south && back_direction != D_SOUTH)
 338                       dir = D_SOUTH;
 339                     else if (tile->east && back_direction != D_EAST)
 340                       dir = D_EAST;
 341                     else if (tile->west && back_direction != D_WEST)
 342                       dir = D_WEST;
 343
 344                     if (dir != D_NONE)
 345                       {
 346                       direction = dir;
 347                       input_direction = direction;
 348                       back_direction = reverse_dir(direction);
 349                       }
 350                     else
 351                       {
 352                       // Should never be reached if tiledata is good
 353                       stop();
 354                       return;
 355                       }
 356                     }
 357                   }
 358
 359               // Walk automatically to the next tile
 360               if(direction != D_NONE)
 361                 {
 362                 Vector next_tile;
 363                 if (worldmap->path_ok(direction, tile_pos, &next_tile))
 364                   {
 365                   tile_pos = next_tile;
 366                   }
 367                 else
 368                   {
 369                   puts("Tilemap data is buggy");
 370                   stop();
 371                   }
 372                 }
 373             }
 374         }
 375     }
 376 }
 377
 378 //---------------------------------------------------------------------------
 379 Tile::Tile()
 380 {
 381 }
 382
 383 Tile::~Tile()
 384 {
 385   delete sprite;
 386 }
 387
 388 //---------------------------------------------------------------------------
 389
 390 WorldMap::WorldMap()
 391 {
 392   tile_manager = new TileManager();
 393   //tux = new Tux(this);
 394
 395   width  = 20;
 396   height = 15;
 397
 398   start_x = 4;
 399   start_y = 5;
 400
 401   leveldot_green = new Surface(datadir +  "/images/worldmap/leveldot_green.png", true);
 402   leveldot_red = new Surface(datadir +  "/images/worldmap/leveldot_red.png", true);
 403   messagedot   = new Surface(datadir +  "/images/worldmap/messagedot.png", true);
 404
 405   enter_level = false;
 406
 407   name = "<no title>";
 408   music = "SALCON.MOD";
 409 }
 410
 411 WorldMap::~WorldMap()
 412 {
 413   delete tux;
 414   delete tile_manager;
 415
 416   delete leveldot_green;
 417   delete leveldot_red;
 418   delete messagedot;
 419 }
 420
 421 void
 422 WorldMap::load_map()
 423 {
 424   lisp_object_t* root_obj = lisp_read_from_file(datadir + "/levels/worldmap/" + map_filename);
 425   if (!root_obj)
 426     Termination::abort("Couldn't load file", datadir + "/levels/worldmap/" + map_filename);
 427
 428   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
 429     {
 430       lisp_object_t* cur = lisp_cdr(root_obj);
 431
 432       while(!lisp_nil_p(cur))
 433         {
 434           lisp_object_t* element = lisp_car(cur);
 435
 436           if (strcmp(lisp_symbol(lisp_car(element)), "tilemap") == 0)
 437             {
 438               LispReader reader(lisp_cdr(element));
 439               reader.read_int("width",  width);
 440               reader.read_int("height", height);
 441               reader.read_int_vector("data", tilemap);
 442             }
 443           else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
 444             {
 445               LispReader reader(lisp_cdr(element));
 446               reader.read_string("name", name, true);
 447               reader.read_string("music", music);
 448               reader.read_int("start_pos_x", start_x);
 449               reader.read_int("start_pos_y", start_y);
 450             }
 451           else if (strcmp(lisp_symbol(lisp_car(element)), "special-tiles") == 0 ||
 452                    strcmp(lisp_symbol(lisp_car(element)), "levels") == 0)
 453             {
 454               lisp_object_t* cur = lisp_cdr(element);
 455
 456               while(!lisp_nil_p(cur))
 457                 {
 458                   lisp_object_t* element = lisp_car(cur);
 459
 460                   if (strcmp(lisp_symbol(lisp_car(element)), "special-tile") == 0)
 461                     {
 462                       SpecialTile special_tile;
 463                       LispReader reader(lisp_cdr(element));
 464                       special_tile.solved = false;
 465
 466                       special_tile.north = true;
 467                       special_tile.east  = true;
 468                       special_tile.south = true;
 469                       special_tile.west  = true;
 470
 471                       reader.read_string("extro-filename", special_tile.extro_filename);
 472                       reader.read_string("passive-message", special_tile.display_map_message);
 473                       special_tile.passive_message = false;
 474                       if(!special_tile.display_map_message.empty())
 475                         special_tile.passive_message = true;
 476                       reader.read_string("map-message", special_tile.display_map_message);
 477                       reader.read_string("next-world", special_tile.next_worldmap);
 478                       reader.read_string("level", special_tile.level_name, true);
 479                       reader.read_int("x", special_tile.x);
 480                       reader.read_int("y", special_tile.y);
 481                       special_tile.auto_path = true;
 482                       reader.read_bool("auto-path", special_tile.auto_path);
 483                       special_tile.swap_x = special_tile.swap_y = -1;
 484                       reader.read_int("swap-x", special_tile.swap_x);
 485                       reader.read_int("swap-y", special_tile.swap_y);
 486                       special_tile.vertical_flip = false;
 487                       reader.read_bool("flip-special_tile", special_tile.vertical_flip);
 488                       special_tile.quit_worldmap = false;
 489                       reader.read_bool("exit-game", special_tile.quit_worldmap);
 490
 491                       special_tiles.push_back(special_tile);
 492                     }
 493
 494                   /* Kept for backward compability */
 495                   else if (strcmp(lisp_symbol(lisp_car(element)), "level") == 0)
 496                     {
 497                       SpecialTile special_tile;
 498                       LispReader reader(lisp_cdr(element));
 499                       special_tile.solved = false;
 500
 501                       special_tile.north = true;
 502                       special_tile.east  = true;
 503                       special_tile.south = true;
 504                       special_tile.west  = true;
 505
 506                       reader.read_string("extro-filename", special_tile.extro_filename);
 507                       if(!special_tile.extro_filename.empty())
 508                         special_tile.quit_worldmap = true;
 509                       reader.read_string("name", special_tile.level_name, true);
 510                       reader.read_int("x", special_tile.x);
 511                       reader.read_int("y", special_tile.y);
 512                       special_tile.vertical_flip = false;
 513                       special_tile.swap_x = special_tile.swap_y = -1;
 514
 515                       special_tiles.push_back(special_tile);
 516                     }
 517
 518                   cur = lisp_cdr(cur);
 519                 }
 520             }
 521           else
 522             {
 523
 524             }
 525
 526           cur = lisp_cdr(cur);
 527         }
 528     }
 529
 530     lisp_free(root_obj);
 531     tux = new Tux(this);
 532 }
 533
 534 void WorldMap::get_level_title(SpecialTile& special_tile)
 535 {
 536   /** get special_tile's title */
 537   special_tile.title = "<no title>";
 538
 539   LispReader* reader = LispReader::load(datadir + "/levels/" + special_tile.level_name, "supertux-level");
 540   if(!reader)
 541     {
 542     std::cerr << "Error: Could not open level file. Ignoring...\n";
 543     return;
 544     }
 545
 546   reader->read_string("name", special_tile.title, true);
 547   delete reader;
 548 }
 549
 550 void
 551 WorldMap::on_escape_press()
 552 {
 553   // Show or hide the menu
 554   if(!Menu::current())
 555     {
 556     Menu::set_current(worldmap_menu);
 557     tux->set_direction(D_NONE);  // stop tux movement when menu is called
 558     }
 559   else
 560     Menu::set_current(0);
 561 }
 562
 563 void
 564 WorldMap::get_input()
 565 {
 566   enter_level = false;
 567
 568   SDL_Event event;
 569   while (SDL_PollEvent(&event))
 570     {
 571       if (Menu::current())
 572         {
 573           Menu::current()->event(event);
 574         }
 575       else
 576         {
 577           switch(event.type)
 578             {
 579             case SDL_QUIT:
 580               Termination::abort("Received window close", "");
 581               break;
 582
 583             case SDL_KEYDOWN:
 584               switch(event.key.keysym.sym)
 585                 {
 586                 case SDLK_ESCAPE:
 587                   on_escape_press();
 588                   break;
 589                 case SDLK_LCTRL:
 590                 case SDLK_RETURN:
 591                   enter_level = true;
 592                   break;
 593
 594                 case SDLK_LEFT:
 595                   tux->set_direction(D_WEST);
 596                   break;
 597                 case SDLK_RIGHT:
 598                   tux->set_direction(D_EAST);
 599                   break;
 600                 case SDLK_UP:
 601                   tux->set_direction(D_NORTH);
 602                   break;
 603                 case SDLK_DOWN:
 604                   tux->set_direction(D_SOUTH);
 605                   break;
 606
 607                 default:
 608                   break;
 609                 }
 610               break;
 611
 612             case SDL_JOYAXISMOTION:
 613               if (event.jaxis.axis == joystick_keymap.x_axis)
 614                 {
 615                   if (event.jaxis.value < -joystick_keymap.dead_zone)
 616                     tux->set_direction(D_WEST);
 617                   else if (event.jaxis.value > joystick_keymap.dead_zone)
 618                     tux->set_direction(D_EAST);
 619                 }
 620               else if (event.jaxis.axis == joystick_keymap.y_axis)
 621                 {
 622                   if (event.jaxis.value > joystick_keymap.dead_zone)
 623                     tux->set_direction(D_SOUTH);
 624                   else if (event.jaxis.value < -joystick_keymap.dead_zone)
 625                     tux->set_direction(D_NORTH);
 626                 }
 627               break;
 628
 629             case SDL_JOYBUTTONDOWN:
 630               if (event.jbutton.button == joystick_keymap.b_button)
 631                 enter_level = true;
 632               else if (event.jbutton.button == joystick_keymap.start_button)
 633                 on_escape_press();
 634               break;
 635
 636             default:
 637               break;
 638             }
 639         }
 640     }
 641 }
 642
 643 Vector
 644 WorldMap::get_next_tile(Vector pos, Direction direction)
 645 {
 646   switch(direction)
 647     {
 648     case D_WEST:
 649       pos.x -= 1;
 650       break;
 651     case D_EAST:
 652       pos.x += 1;
 653       break;
 654     case D_NORTH:
 655       pos.y -= 1;
 656       break;
 657     case D_SOUTH:
 658       pos.y += 1;
 659       break;
 660     case D_NONE:
 661       break;
 662     }
 663   return pos;
 664 }
 665
 666 bool
 667 WorldMap::path_ok(Direction direction, Vector old_pos, Vector* new_pos)
 668 {
 669   *new_pos = get_next_tile(old_pos, direction);
 670
 671   if (!(new_pos->x >= 0 && new_pos->x < width
 672         && new_pos->y >= 0 && new_pos->y < height))
 673     { // New position is outsite the tilemap
 674       return false;
 675     }
 676   else
 677     { // Check if we the tile allows us to go to new_pos
 678       switch(direction)
 679         {
 680         case D_WEST:
 681           return (at(old_pos)->west && at(*new_pos)->east);
 682
 683         case D_EAST:
 684           return (at(old_pos)->east && at(*new_pos)->west);
 685
 686         case D_NORTH:
 687           return (at(old_pos)->north && at(*new_pos)->south);
 688
 689         case D_SOUTH:
 690           return (at(old_pos)->south && at(*new_pos)->north);
 691
 692         case D_NONE:
 693           assert(!"path_ok() can't work if direction is NONE");
 694         }
 695       return false;
 696     }
 697 }
 698
 699 void
 700 WorldMap::update(float delta)
 701 {
 702   if (enter_level && !tux->is_moving())
 703     {
 704       bool level_finished = true;
 705       SpecialTile* special_tile = at_special_tile();
 706       if (!special_tile)
 707         {
 708         std::cout << "Nothing to enter at: "
 709           << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
 710         return;
 711         }
 712
 713
 714       if(!special_tile->level_name.empty())
 715         {
 716           if (special_tile->x == tux->get_tile_pos().x &&
 717               special_tile->y == tux->get_tile_pos().y)
 718             {
 719               PlayerStatus old_player_status = player_status;
 720
 721               std::cout << "Enter the current level: " << special_tile->level_name << std::endl;
 722               // do a shriking fade to the special_tile
 723               shrink_fade(Vector((special_tile->x*32 + 16 + offset.x),(special_tile->y*32 + 16
 724                       + offset.y)), 500);
 725               GameSession session(datadir +  "/levels/" + special_tile->level_name,
 726                                   ST_GL_LOAD_LEVEL_FILE, special_tile->vertical_flip);
 727
 728               switch (session.run())
 729                 {
 730                 case GameSession::ES_LEVEL_FINISHED:
 731                   {
 732                     level_finished = true;
 733                     bool old_level_state = special_tile->solved;
 734                     special_tile->solved = true;
 735
 736                     if (session.get_current_sector()->player->got_power !=
 737                           session.get_current_sector()->player->NONE_POWER)
 738                       player_status.bonus = PlayerStatus::FLOWER_BONUS;
 739                     else if (session.get_current_sector()->player->size == BIG)
 740                       player_status.bonus = PlayerStatus::GROWUP_BONUS;
 741                     else
 742                       player_status.bonus = PlayerStatus::NO_BONUS;
 743
 744                     if (old_level_state != special_tile->solved && special_tile->auto_path)
 745                       { // Try to detect the next direction to which we should walk
 746                         // FIXME: Mostly a hack
 747                         Direction dir = D_NONE;
 748
 749                         Tile* tile = at(tux->get_tile_pos());
 750
 751                         if (tile->north && tux->back_direction != D_NORTH)
 752                           dir = D_NORTH;
 753                         else if (tile->south && tux->back_direction != D_SOUTH)
 754                           dir = D_SOUTH;
 755                         else if (tile->east && tux->back_direction != D_EAST)
 756                           dir = D_EAST;
 757                         else if (tile->west && tux->back_direction != D_WEST)
 758                           dir = D_WEST;
 759
 760                         if (dir != D_NONE)
 761                           {
 762                             tux->set_direction(dir);
 763                             //tux->update(delta);
 764                           }
 765
 766                         std::cout << "Walk to dir: " << dir << std::endl;
 767                       }
 768                   }
 769
 770                   break;
 771                 case GameSession::ES_LEVEL_ABORT:
 772                   level_finished = false;
 773                   /* In case the player's abort the special_tile, keep it using the old
 774                       status. But the minimum lives and no bonus. */
 775                   player_status.score = old_player_status.score;
 776                   player_status.distros = old_player_status.distros;
 777                   player_status.lives = std::min(old_player_status.lives, player_status.lives);
 778                   player_status.bonus = player_status.NO_BONUS;
 779
 780                   break;
 781                 case GameSession::ES_GAME_OVER:
 782                   {
 783                   level_finished = false;
 784                   /* draw an end screen */
 785                   /* in the future, this should make a dialog a la SuperMario, asking
 786                   if the player wants to restart the world map with no score and from
 787                   special_tile 1 */
 788                   char str[80];
 789
 790                   DrawingContext context;
 791                   context.draw_gradient(Color (200,240,220), Color(200,200,220),
 792                       LAYER_BACKGROUND0);
 793
 794                   context.draw_text_center(blue_text, _("GAMEOVER"),
 795                       Vector(0, 200), LAYER_FOREGROUND1);
 796
 797                   sprintf(str, _("SCORE: %d"), player_status.score);
 798                   context.draw_text_center(gold_text, str,
 799                       Vector(0, 230), LAYER_FOREGROUND1);
 800
 801                   sprintf(str, _("COINS: %d"), player_status.distros);
 802                   context.draw_text_center(gold_text, str,
 803                       Vector(0, screen->w - 32), LAYER_FOREGROUND1);
 804
 805                   context.do_drawing();
 806
 807                   SDL_Event event;
 808                   wait_for_event(event,2000,5000,true);
 809
 810                   quit = true;
 811                   player_status.reset();
 812                   break;
 813                   }
 814                 case GameSession::ES_NONE:
 815                   assert(false);
 816                   // Should never be reached
 817                   break;
 818                 }
 819
 820               SoundManager::get()->play_music(song);
 821               Menu::set_current(0);
 822               if (!savegame_file.empty())
 823                 savegame(savegame_file);
 824             }
 825         }
 826       /* The porpose of the next checking is that if the player lost
 827          the special_tile (in case there is one), don't show anything */
 828       if(level_finished)
 829         {
 830         if (!special_tile->extro_filename.empty())
 831           {
 832           // Display a text file
 833           display_text_file(special_tile->extro_filename, SCROLL_SPEED_MESSAGE, white_big_text , white_text, white_small_text, blue_text );
 834           }
 835         if (special_tile->swap_x != -1 && special_tile->swap_y != -1)
 836           {
 837           // TODO: add an effect, like a camera scrolling, or at least, a fading
 838           tux->set_tile_pos(Vector(special_tile->swap_x, special_tile->swap_y));
 839           }
 840         if (!special_tile->next_worldmap.empty())
 841           {
 842           // Load given worldmap
 843           loadmap(special_tile->next_worldmap);
 844           }
 845         if (special_tile->quit_worldmap)
 846           quit = true;
 847         }
 848     }
 849   else
 850     {
 851       tux->action(delta);
 852 //      tux->set_direction(input_direction);
 853     }
 854
 855   Menu* menu = Menu::current();
 856   if(menu)
 857     {
 858       menu->action();
 859
 860       if(menu == worldmap_menu)
 861         {
 862           switch (worldmap_menu->check())
 863             {
 864             case MNID_RETURNWORLDMAP: // Return to game
 865               break;
 866             case MNID_QUITWORLDMAP: // Quit Worldmap
 867               quit = true;
 868               break;
 869             }
 870         }
 871       else if(menu == options_menu)
 872         {
 873           process_options_menu();
 874         }
 875     }
 876 }
 877
 878 Tile*
 879 WorldMap::at(Vector p)
 880 {
 881   assert(p.x >= 0
 882          && p.x < width
 883          && p.y >= 0
 884          && p.y < height);
 885
 886   int x = int(p.x);
 887   int y = int(p.y);
 888   return tile_manager->get(tilemap[width * y + x]);
 889 }
 890
 891 WorldMap::SpecialTile*
 892 WorldMap::at_special_tile()
 893 {
 894   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 895     {
 896       if (i->x == tux->get_tile_pos().x &&
 897           i->y == tux->get_tile_pos().y)
 898         return &*i;
 899     }
 900
 901   return 0;
 902 }
 903
 904
 905 void
 906 WorldMap::draw(DrawingContext& context, const Vector& offset)
 907 {
 908   for(int y = 0; y < height; ++y)
 909     for(int x = 0; x < width; ++x)
 910       {
 911         Tile* tile = at(Vector(x, y));
 912         context.draw_surface(tile->sprite,
 913             Vector(x*32 + offset.x, y*32 + offset.y), LAYER_TILES);
 914       }
 915
 916   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 917     {
 918       if(i->level_name.empty())
 919         {
 920         if (!i->display_map_message.empty() && !i->passive_message)
 921           context.draw_surface(messagedot,
 922               Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 923
 924         continue;
 925         }
 926
 927       if (i->solved)
 928         context.draw_surface(leveldot_green,
 929             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 930       else
 931         context.draw_surface(leveldot_red,
 932             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 933     }
 934
 935   tux->draw(context, offset);
 936   draw_status(context);
 937 }
 938
 939 void
 940 WorldMap::draw_status(DrawingContext& context)
 941 {
 942   char str[80];
 943   sprintf(str, " %d", player_status.score);
 944
 945   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LAYER_FOREGROUND1);
 946   context.draw_text(gold_text, str, Vector(96, 0), LAYER_FOREGROUND1);
 947
 948   sprintf(str, "%d", player_status.distros);
 949   context.draw_text(white_text, _("COINS"), Vector(screen->w/2 - 16*5, 0),
 950       LAYER_FOREGROUND1);
 951   context.draw_text(gold_text, str, Vector(screen->w/2 + (16*5)/2, 0),
 952         LAYER_FOREGROUND1);
 953
 954   if (player_status.lives >= 5)
 955     {
 956       sprintf(str, "%dx", player_status.lives);
 957       context.draw_text(gold_text, str,
 958           Vector(screen->w - gold_text->get_text_width(str) - tux_life->w, 0),
 959           LAYER_FOREGROUND1);
 960       context.draw_surface(tux_life, Vector(screen->w -
 961             gold_text->get_text_width("9"), 0), LAYER_FOREGROUND1);
 962     }
 963   else
 964     {
 965       for(int i= 0; i < player_status.lives; ++i)
 966         context.draw_surface(tux_life,
 967             Vector(screen->w - tux_life->w*4 + (tux_life->w*i), 0),
 968             LAYER_FOREGROUND1);
 969     }
 970   context.draw_text(white_text, _("LIVES"),
 971       Vector(screen->w - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 0),
 972       LAYER_FOREGROUND1);
 973
 974   if (!tux->is_moving())
 975     {
 976       for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 977         {
 978           if (i->x == tux->get_tile_pos().x &&
 979               i->y == tux->get_tile_pos().y)
 980             {
 981               if(!i->level_name.empty())
 982                 {
 983                 if(i->title == "")
 984                   get_level_title(*i);
 985
 986                 context.draw_text_center(white_text, i->title,
 987                     Vector(0, screen->h - white_text->get_height() - 30),
 988                     LAYER_FOREGROUND1);
 989                 }
 990
 991               /* Display an in-map message in the map, if any as been selected */
 992               if(!i->display_map_message.empty())
 993                 context.draw_text_center(gold_text, i->display_map_message,
 994                     Vector(0, screen->h - white_text->get_height() - 60),
 995                     LAYER_FOREGROUND1);
 996               break;
 997             }
 998         }
 999     }
1000   /* Display a passive message in the map, if needed */
1001   if(passive_message_timer.check())
1002     context.draw_text_center(gold_text, passive_message,
1003             Vector(0, screen->h - white_text->get_height() - 60),
1004             LAYER_FOREGROUND1);
1005 }
1006
1007 void
1008 WorldMap::display()
1009 {
1010   Menu::set_current(0);
1011
1012   quit = false;
1013
1014   song = SoundManager::get()->load_music(datadir +  "/music/" + music);
1015   SoundManager::get()->play_music(song);
1016
1017   unsigned int last_update_time;
1018   unsigned int update_time;
1019
1020   last_update_time = update_time = Ticks::get();
1021
1022   DrawingContext context;
1023   while(!quit)
1024     {
1025       float delta = ((float)(update_time-last_update_time))/100.0;
1026
1027       delta *= 1.3f;
1028
1029       if (delta > 10.0f)
1030         delta = .3f;
1031
1032       last_update_time = update_time;
1033       update_time      = Ticks::get();
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