src/sector.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux -  A Jump'n Run
   4 //  Copyright (C) 2004 Matthias Braun <matze@braunis.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 <memory>
  21 #include <algorithm>
  22 #include <stdexcept>
  23 #include <iostream>
  24 #include <fstream>
  25 #include <stdexcept>
  26
  27 #include "globals.h"
  28 #include "sector.h"
  29 #include "lispreader.h"
  30 #include "badguy.h"
  31 #include "special.h"
  32 #include "gameobjs.h"
  33 #include "camera.h"
  34 #include "background.h"
  35 #include "particlesystem.h"
  36 #include "tile.h"
  37 #include "tilemap.h"
  38 #include "sound_manager.h"
  39 #include "gameloop.h"
  40 #include "resources.h"
  41 #include "interactive_object.h"
  42 #include "door.h"
  43
  44 Sector* Sector::_current = 0;
  45
  46 Sector::Sector()
  47   : gravity(10), player(0), solids(0), background(0), camera(0),
  48     currentmusic(LEVEL_MUSIC)
  49 {
  50   song_title = "Mortimers_chipdisko.mod";
  51   player = new Player();
  52   add_object(player);
  53 }
  54
  55 Sector::~Sector()
  56 {
  57   for(GameObjects::iterator i = gameobjects.begin(); i != gameobjects.end();
  58       ++i)
  59     delete *i;
  60
  61   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
  62       ++i)
  63     delete *i;
  64
  65   if(_current == this)
  66     _current = 0;
  67 }
  68
  69 void
  70 Sector::parse(LispReader& lispreader)
  71 {
  72   _current = this;
  73
  74   for(lisp_object_t* cur = lispreader.get_lisp(); !lisp_nil_p(cur);
  75       cur = lisp_cdr(cur)) {
  76     std::string token = lisp_symbol(lisp_car(lisp_car(cur)));
  77     // FIXME: doesn't handle empty data
  78     lisp_object_t* data = lisp_car(lisp_cdr(lisp_car(cur)));
  79     LispReader reader(lisp_cdr(lisp_car(cur)));
  80
  81     if(token == "name") {
  82       name = lisp_string(data);
  83     } else if(token == "gravity") {
  84       gravity = lisp_real(data);
  85     } else if(token == "music") {
  86       song_title = lisp_string(data);
  87       load_music();
  88     } else if(token == "camera") {
  89       if(camera) {
  90         std::cerr << "Warning: More than 1 camera defined in sector.\n";
  91         continue;
  92       }
  93       camera = new Camera(this);
  94       camera->read(reader);
  95       add_object(camera);
  96     } else if(token == "background") {
  97       background = new Background(reader);
  98       add_object(background);
  99     } else if(token == "playerspawn") {
 100       SpawnPoint* sp = new SpawnPoint;
 101       reader.read_string("name", sp->name);
 102       reader.read_float("x", sp->pos.x);
 103       reader.read_float("y", sp->pos.y);
 104       spawnpoints.push_back(sp);
 105     } else if(token == "tilemap") {
 106       TileMap* tilemap = new TileMap(reader);
 107       add_object(tilemap);
 108
 109       if(tilemap->is_solid()) {
 110         if(solids) {
 111           std::cerr << "Warning multiple solid tilemaps in sector.\n";
 112           continue;
 113         }
 114         solids = tilemap;
 115       }
 116     } else if(badguykind_from_string(token) != BAD_INVALID) {
 117       add_object(new BadGuy(badguykind_from_string(token), reader));
 118     } else if(token == "trampoline") {
 119       add_object(new Trampoline(reader));
 120     } else if(token == "flying-platform") {
 121       add_object(new FlyingPlatform(reader));
 122     } else if(token == "particles-snow") {
 123       SnowParticleSystem* partsys = new SnowParticleSystem();
 124       partsys->parse(reader);
 125       add_object(partsys);
 126     } else if(token == "particles-clouds") {
 127       CloudParticleSystem* partsys = new CloudParticleSystem();
 128       partsys->parse(reader);
 129       add_object(partsys);
 130     } else if(token == "door") {
 131       add_object(new Door(reader));
 132     } else {
 133       std::cerr << "Unknown object type '" << token << "'.\n";
 134     }
 135   }
 136
 137   if(!camera) {
 138     std::cerr << "sector '" << name << "' does not contain a camera.\n";
 139     camera = new Camera(this);
 140     add_object(camera);
 141   }
 142   if(!solids)
 143     throw std::runtime_error("sector does not contain a solid tile layer.");
 144 }
 145
 146 void
 147 Sector::parse_old_format(LispReader& reader)
 148 {
 149   _current = this;
 150
 151   name = "main";
 152   reader.read_float("gravity", gravity);
 153
 154   std::string backgroundimage;
 155   reader.read_string("background", backgroundimage);
 156   float bgspeed = .5;
 157   reader.read_float("bkgd_speed", bgspeed);
 158
 159   Color bkgd_top, bkgd_bottom;
 160   int r = 0, g = 0, b = 128;
 161   reader.read_int("bkgd_red_top", r);
 162   reader.read_int("bkgd_green_top",  g);
 163   reader.read_int("bkgd_blue_top",  b);
 164   bkgd_top.red = r;
 165   bkgd_top.green = g;
 166   bkgd_top.blue = b;
 167
 168   reader.read_int("bkgd_red_bottom",  r);
 169   reader.read_int("bkgd_green_bottom", g);
 170   reader.read_int("bkgd_blue_bottom", b);
 171   bkgd_bottom.red = r;
 172   bkgd_bottom.green = g;
 173   bkgd_bottom.blue = b;
 174
 175   if(backgroundimage != "") {
 176     background = new Background;
 177     background->set_image(backgroundimage, bgspeed);
 178     add_object(background);
 179   } else {
 180     background = new Background;
 181     background->set_gradient(bkgd_top, bkgd_bottom);
 182     add_object(background);
 183   }
 184
 185   std::string particlesystem;
 186   reader.read_string("particle_system", particlesystem);
 187   if(particlesystem == "clouds")
 188     add_object(new CloudParticleSystem());
 189   else if(particlesystem == "snow")
 190     add_object(new SnowParticleSystem());
 191
 192   Vector startpos(100, 170);
 193   reader.read_float("start_pos_x", startpos.x);
 194   reader.read_float("start_pos_y", startpos.y);
 195
 196   SpawnPoint* spawn = new SpawnPoint;
 197   spawn->pos = startpos;
 198   spawn->name = "main";
 199   spawnpoints.push_back(spawn);
 200
 201   song_title = "Mortimers_chipdisko.mod";
 202   reader.read_string("music", song_title);
 203   load_music();
 204
 205   int width, height = 15;
 206   reader.read_int("width", width);
 207   reader.read_int("height", height);
 208
 209   std::vector<unsigned int> tiles;
 210   if(reader.read_int_vector("interactive-tm", tiles)
 211       || reader.read_int_vector("tilemap", tiles)) {
 212     TileMap* tilemap = new TileMap();
 213     tilemap->set(width, height, tiles, LAYER_TILES, true);
 214     solids = tilemap;
 215     add_object(tilemap);
 216   }
 217
 218   if(reader.read_int_vector("background-tm", tiles)) {
 219     TileMap* tilemap = new TileMap();
 220     tilemap->set(width, height, tiles, LAYER_BACKGROUNDTILES, false);
 221     add_object(tilemap);
 222   }
 223
 224   if(reader.read_int_vector("foreground-tm", tiles)) {
 225     TileMap* tilemap = new TileMap();
 226     tilemap->set(width, height, tiles, LAYER_FOREGROUNDTILES, false);
 227     add_object(tilemap);
 228   }
 229
 230   // TODO read resetpoints
 231
 232   // read objects
 233   {
 234     lisp_object_t* cur = 0;
 235     if(reader.read_lisp("objects", cur)) {
 236       while(!lisp_nil_p(cur)) {
 237         lisp_object_t* data = lisp_car(cur);
 238         std::string object_type = lisp_symbol(lisp_car(data));
 239
 240         LispReader reader(lisp_cdr(data));
 241
 242         if(object_type == "trampoline") {
 243           add_object(new Trampoline(reader));
 244         }
 245         else if(object_type == "flying-platform") {
 246           add_object(new FlyingPlatform(reader));
 247         }
 248         else {
 249           BadGuyKind kind = badguykind_from_string(object_type);
 250           add_object(new BadGuy(kind, reader));
 251         }
 252
 253         cur = lisp_cdr(cur);
 254       }
 255     }
 256   }
 257
 258   // add a camera
 259   camera = new Camera(this);
 260   add_object(camera);
 261 }
 262
 263 void
 264 Sector::write(LispWriter& writer)
 265 {
 266   writer.write_string("name", name);
 267   writer.write_float("gravity", gravity);
 268   writer.write_string("music", song_title);
 269
 270   for(GameObjects::iterator i = gameobjects.begin();
 271       i != gameobjects.end(); ++i) {
 272     Serializable* serializable = dynamic_cast<Serializable*> (*i);
 273     if(serializable)
 274       serializable->write(writer);
 275   }
 276 }
 277
 278 void
 279 Sector::add_object(GameObject* object)
 280 {
 281   gameobjects_new.push_back(object);
 282 }
 283
 284 void
 285 Sector::activate(const std::string& spawnpoint)
 286 {
 287   _current = this;
 288
 289   // Apply bonuses from former levels
 290   switch (player_status.bonus)
 291     {
 292     case PlayerStatus::NO_BONUS:
 293       break;
 294
 295     case PlayerStatus::FLOWER_BONUS:
 296       player->got_power = Player::FIRE_POWER;  // FIXME: add ice power to here
 297       // fall through
 298
 299     case PlayerStatus::GROWUP_BONUS:
 300       player->grow(false);
 301       break;
 302     }
 303
 304   SpawnPoint* sp = 0;
 305   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 306       ++i) {
 307     if((*i)->name == spawnpoint) {
 308       sp = *i;
 309       break;
 310     }
 311   }
 312   if(!sp) {
 313     std::cerr << "Spawnpoint '" << spawnpoint << "' not found.\n";
 314   } else {
 315     player->move(sp->pos);
 316   }
 317
 318   camera->reset(Vector(player->base.x, player->base.y));
 319 }
 320
 321 void
 322 Sector::action(float elapsed_time)
 323 {
 324   player->check_bounds(camera);
 325
 326   /* update objects (don't use iterators here, because the list might change
 327    * during the iteration)
 328    */
 329   for(size_t i = 0; i < gameobjects.size(); ++i)
 330     if(gameobjects[i]->is_valid())
 331       gameobjects[i]->action(elapsed_time);
 332
 333   /* Handle all possible collisions. */
 334   collision_handler();
 335
 336   update_game_objects();
 337 }
 338
 339 void
 340 Sector::update_game_objects()
 341 {
 342   /** cleanup marked objects */
 343   for(std::vector<GameObject*>::iterator i = gameobjects.begin();
 344       i != gameobjects.end(); /* nothing */) {
 345     if((*i)->is_valid() == false) {
 346       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 347       if(badguy) {
 348         badguys.erase(std::remove(badguys.begin(), badguys.end(), badguy),
 349             badguys.end());
 350       }
 351       Bullet* bullet = dynamic_cast<Bullet*> (*i);
 352       if(bullet) {
 353         bullets.erase(
 354             std::remove(bullets.begin(), bullets.end(), bullet),
 355             bullets.end());
 356       }
 357       InteractiveObject* interactive_object =
 358           dynamic_cast<InteractiveObject*> (*i);
 359       if(interactive_object) {
 360         interactive_objects.erase(
 361             std::remove(interactive_objects.begin(), interactive_objects.end(),
 362                 interactive_object), interactive_objects.end());
 363       }
 364       Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 365       if(upgrade) {
 366         upgrades.erase(
 367             std::remove(upgrades.begin(), upgrades.end(), upgrade),
 368             upgrades.end());
 369       }
 370       Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 371       if(trampoline) {
 372         trampolines.erase(
 373             std::remove(trampolines.begin(), trampolines.end(), trampoline),
 374             trampolines.end());
 375       }
 376       FlyingPlatform* flying_platform= dynamic_cast<FlyingPlatform*> (*i);
 377       if(flying_platform) {
 378         flying_platforms.erase(
 379             std::remove(flying_platforms.begin(), flying_platforms.end(), flying_platform),
 380             flying_platforms.end());
 381       }
 382
 383       delete *i;
 384       i = gameobjects.erase(i);
 385     } else {
 386       ++i;
 387     }
 388   }
 389
 390   /* add newly created objects */
 391   for(std::vector<GameObject*>::iterator i = gameobjects_new.begin();
 392       i != gameobjects_new.end(); ++i)
 393   {
 394           BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 395           if(badguy)
 396             badguys.push_back(badguy);
 397           Bullet* bullet = dynamic_cast<Bullet*> (*i);
 398           if(bullet)
 399             bullets.push_back(bullet);
 400           Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 401           if(upgrade)
 402             upgrades.push_back(upgrade);
 403           Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 404           if(trampoline)
 405             trampolines.push_back(trampoline);
 406           FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 407           if(flying_platform)
 408             flying_platforms.push_back(flying_platform);
 409           InteractiveObject* interactive_object
 410               = dynamic_cast<InteractiveObject*> (*i);
 411           if(interactive_object)
 412             interactive_objects.push_back(interactive_object);
 413
 414           gameobjects.push_back(*i);
 415   }
 416   gameobjects_new.clear();
 417 }
 418
 419 void
 420 Sector::draw(DrawingContext& context)
 421 {
 422   context.push_transform();
 423   context.set_translation(camera->get_translation());
 424
 425   for(GameObjects::iterator i = gameobjects.begin();
 426       i != gameobjects.end(); ++i) {
 427     if( (*i)->is_valid() )
 428       (*i)->draw(context);
 429   }
 430
 431   context.pop_transform();
 432 }
 433
 434 void
 435 Sector::collision_handler()
 436 {
 437   // CO_BULLET & CO_BADGUY check
 438   for(unsigned int i = 0; i < bullets.size(); ++i)
 439     {
 440       for (BadGuys::iterator j = badguys.begin(); j != badguys.end(); ++j)
 441         {
 442           if((*j)->dying != DYING_NOT)
 443             continue;
 444
 445           if(rectcollision(bullets[i]->base, (*j)->base))
 446             {
 447               // We have detected a collision and now call the
 448               // collision functions of the collided objects.
 449               (*j)->collision(bullets[i], CO_BULLET, COLLISION_NORMAL);
 450               bullets[i]->collision(CO_BADGUY);
 451               break; // bullet is invalid now, so break
 452             }
 453         }
 454     }
 455
 456   /* CO_BADGUY & CO_BADGUY check */
 457   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 458     {
 459       if((*i)->dying != DYING_NOT)
 460         continue;
 461
 462       BadGuys::iterator j = i;
 463       ++j;
 464       for (; j != badguys.end(); ++j)
 465         {
 466           if(j == i || (*j)->dying != DYING_NOT)
 467             continue;
 468
 469           if(rectcollision((*i)->base, (*j)->base))
 470             {
 471               // We have detected a collision and now call the
 472               // collision functions of the collided objects.
 473               (*j)->collision(*i, CO_BADGUY);
 474               (*i)->collision(*j, CO_BADGUY);
 475             }
 476         }
 477     }
 478   if(player->dying != DYING_NOT) return;
 479
 480   // CO_BADGUY & CO_PLAYER check
 481   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 482     {
 483       if((*i)->dying != DYING_NOT)
 484         continue;
 485
 486       if(rectcollision_offset((*i)->base, player->base, 0, 0))
 487         {
 488           // We have detected a collision and now call the collision
 489           // functions of the collided objects.
 490           if (player->previous_base.y < player->base.y &&
 491               player->previous_base.y + player->previous_base.height
 492               < (*i)->base.y + (*i)->base.height/2
 493               && !player->invincible_timer.started())
 494             {
 495               (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 496             }
 497           else
 498             {
 499               player->collision(*i, CO_BADGUY);
 500               (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 501             }
 502         }
 503     }
 504
 505   // CO_UPGRADE & CO_PLAYER check
 506   for(unsigned int i = 0; i < upgrades.size(); ++i)
 507     {
 508       if(rectcollision(upgrades[i]->base, player->base))
 509         {
 510           // We have detected a collision and now call the collision
 511           // functions of the collided objects.
 512           upgrades[i]->collision(player, CO_PLAYER, COLLISION_NORMAL);
 513         }
 514     }
 515
 516   // CO_TRAMPOLINE & (CO_PLAYER or CO_BADGUY)
 517   for (Trampolines::iterator i = trampolines.begin(); i != trampolines.end(); ++i)
 518   {
 519     if (rectcollision((*i)->base, player->base))
 520     {
 521       if (player->previous_base.y < player->base.y &&
 522           player->previous_base.y + player->previous_base.height
 523           < (*i)->base.y + (*i)->base.height/2)
 524       {
 525         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 526       }
 527       else if (player->previous_base.y <= player->base.y)
 528       {
 529         player->collision(*i, CO_TRAMPOLINE);
 530         (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 531       }
 532     }
 533   }
 534
 535   // CO_FLYING_PLATFORM & (CO_PLAYER or CO_BADGUY)
 536   for (FlyingPlatforms::iterator i = flying_platforms.begin(); i != flying_platforms.end(); ++i)
 537   {
 538     if (rectcollision((*i)->base, player->base))
 539     {
 540       if (player->previous_base.y < player->base.y &&
 541           player->previous_base.y + player->previous_base.height
 542           < (*i)->base.y + (*i)->base.height/2)
 543       {
 544         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 545         player->collision(*i, CO_FLYING_PLATFORM);
 546       }
 547 /*      else if (player->previous_base.y <= player->base.y)
 548       {
 549       }*/
 550     }
 551   }
 552 }
 553
 554 void
 555 Sector::add_score(const Vector& pos, int s)
 556 {
 557   player_status.score += s;
 558
 559   add_object(new FloatingScore(pos, s));
 560 }
 561
 562 void
 563 Sector::add_bouncy_distro(const Vector& pos)
 564 {
 565   add_object(new BouncyDistro(pos));
 566 }
 567
 568 void
 569 Sector::add_broken_brick(const Vector& pos, Tile* tile)
 570 {
 571   add_broken_brick_piece(pos, Vector(-1, -4), tile);
 572   add_broken_brick_piece(pos + Vector(0, 16), Vector(-1.5, -3), tile);
 573
 574   add_broken_brick_piece(pos + Vector(16, 0), Vector(1, -4), tile);
 575   add_broken_brick_piece(pos + Vector(16, 16), Vector(1.5, -3), tile);
 576 }
 577
 578 void
 579 Sector::add_broken_brick_piece(const Vector& pos, const Vector& movement,
 580     Tile* tile)
 581 {
 582   add_object(new BrokenBrick(tile, pos, movement));
 583 }
 584
 585 void
 586 Sector::add_bouncy_brick(const Vector& pos)
 587 {
 588   add_object(new BouncyBrick(pos));
 589 }
 590
 591 BadGuy*
 592 Sector::add_bad_guy(float x, float y, BadGuyKind kind)
 593 {
 594   BadGuy* badguy = new BadGuy(kind, x, y);
 595   add_object(badguy);
 596   return badguy;
 597 }
 598
 599 void
 600 Sector::add_upgrade(const Vector& pos, Direction dir, UpgradeKind kind)
 601 {
 602   add_object(new Upgrade(pos, dir, kind));
 603 }
 604
 605 bool
 606 Sector::add_bullet(const Vector& pos, float xm, Direction dir)
 607 {
 608   if(player->got_power == Player::FIRE_POWER)
 609     {
 610     if(bullets.size() > MAX_FIRE_BULLETS-1)
 611       return false;
 612     }
 613   else if(player->got_power == Player::ICE_POWER)
 614     {
 615     if(bullets.size() > MAX_ICE_BULLETS-1)
 616       return false;
 617     }
 618
 619   Bullet* new_bullet = 0;
 620   if(player->got_power == Player::FIRE_POWER)
 621     new_bullet = new Bullet(pos, xm, dir, FIRE_BULLET);
 622   else if(player->got_power == Player::ICE_POWER)
 623     new_bullet = new Bullet(pos, xm, dir, ICE_BULLET);
 624   else
 625     throw std::runtime_error("wrong bullet type.");
 626   add_object(new_bullet);
 627
 628   sound_manager->play_sound(sounds[SND_SHOOT]);
 629
 630   return true;
 631 }
 632
 633 /* Break a brick: */
 634 bool
 635 Sector::trybreakbrick(const Vector& pos, bool small)
 636 {
 637   Tile* tile = solids->get_tile_at(pos);
 638   if (!tile)
 639   {
 640     char errmsg[64];
 641     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 642     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 643   }
 644
 645   if (tile->attributes & Tile::BRICK)
 646     {
 647       if (tile->data > 0)
 648         {
 649           /* Get a distro from it: */
 650           add_bouncy_distro(
 651               Vector(((int)(pos.x + 1) / 32) * 32, (int)(pos.y / 32) * 32));
 652
 653           // TODO: don't handle this in a global way but per-tile...
 654           if (!counting_distros)
 655             {
 656               counting_distros = true;
 657               distro_counter = 5;
 658             }
 659           else
 660             {
 661               distro_counter--;
 662             }
 663
 664           if (distro_counter <= 0)
 665             {
 666               counting_distros = false;
 667               solids->change_at(pos, tile->next_tile);
 668             }
 669
 670           sound_manager->play_sound(sounds[SND_DISTRO]);
 671           player_status.score = player_status.score + SCORE_DISTRO;
 672           player_status.distros++;
 673           return true;
 674         }
 675       else if (!small)
 676         {
 677           /* Get rid of it: */
 678           solids->change_at(pos, tile->next_tile);
 679
 680           /* Replace it with broken bits: */
 681           add_broken_brick(Vector(
 682                                  ((int)(pos.x + 1) / 32) * 32,
 683                                  (int)(pos.y / 32) * 32), tile);
 684
 685           /* Get some score: */
 686           sound_manager->play_sound(sounds[SND_BRICK]);
 687           player_status.score = player_status.score + SCORE_BRICK;
 688
 689           return true;
 690         }
 691     }
 692
 693   return false;
 694 }
 695
 696 /* Empty a box: */
 697 void
 698 Sector::tryemptybox(const Vector& pos, Direction col_side)
 699 {
 700   Tile* tile = solids->get_tile_at(pos);
 701   if (!tile)
 702   {
 703     char errmsg[64];
 704     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 705     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 706   }
 707
 708
 709   if (!(tile->attributes & Tile::FULLBOX))
 710     return;
 711
 712   // according to the collision side, set the upgrade direction
 713   if(col_side == LEFT)
 714     col_side = RIGHT;
 715   else
 716     col_side = LEFT;
 717
 718   int posx = ((int)(pos.x+1) / 32) * 32;
 719   int posy = (int)(pos.y/32) * 32 - 32;
 720   switch(tile->data)
 721     {
 722     case 1: // Box with a distro!
 723       add_bouncy_distro(Vector(posx, posy));
 724       sound_manager->play_sound(sounds[SND_DISTRO]);
 725       player_status.score = player_status.score + SCORE_DISTRO;
 726       player_status.distros++;
 727       break;
 728
 729     case 2: // Add a fire flower upgrade!
 730       if (player->size == SMALL)     /* Tux is small, add mints! */
 731         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 732       else     /* Tux is big, add a fireflower: */
 733         add_upgrade(Vector(posx, posy), col_side, UPGRADE_FIREFLOWER);
 734       sound_manager->play_sound(sounds[SND_UPGRADE]);
 735       break;
 736
 737     case 5: // Add an ice flower upgrade!
 738       if (player->size == SMALL)     /* Tux is small, add mints! */
 739         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 740       else     /* Tux is big, add an iceflower: */
 741         add_upgrade(Vector(posx, posy), col_side, UPGRADE_ICEFLOWER);
 742       sound_manager->play_sound(sounds[SND_UPGRADE]);
 743       break;
 744
 745     case 3: // Add a golden herring
 746       add_upgrade(Vector(posx, posy), col_side, UPGRADE_HERRING);
 747       break;
 748
 749     case 4: // Add a 1up extra
 750       add_upgrade(Vector(posx, posy), col_side, UPGRADE_1UP);
 751       break;
 752     default:
 753       break;
 754     }
 755
 756   /* Empty the box: */
 757   solids->change_at(pos, tile->next_tile);
 758 }
 759
 760 /* Try to grab a distro: */
 761 void
 762 Sector::trygrabdistro(const Vector& pos, int bounciness)
 763 {
 764   Tile* tile = solids->get_tile_at(pos);
 765   if (!tile)
 766   {
 767     /*char errmsg[64];
 768     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 769     throw SuperTuxException(errmsg, __FILE__, __LINE__); */
 770
 771     //Bad tiles (i.e. tiles that are not defined in supertux.stgt but appear in the map) are changed to ID 0 (blank tile)
 772     std::cout << "Warning: Undefined tile at " <<(int)pos.x/32 << "/" << (int)pos.y/32 << " (ID: " << (int)solids->get_tile_id_at(pos).id << ")" << std::endl;
 773     solids->change_at(pos,0);
 774     tile = solids->get_tile_at(pos);
 775   }
 776
 777
 778   if (!(tile->attributes & Tile::COIN))
 779     return;
 780
 781   solids->change_at(pos, tile->next_tile);
 782   sound_manager->play_sound(sounds[SND_DISTRO]);
 783
 784   if (bounciness == BOUNCE)
 785     {
 786       add_bouncy_distro(Vector(((int)(pos.x + 1) / 32) * 32,
 787                               (int)(pos.y / 32) * 32));
 788     }
 789
 790   player_status.score = player_status.score + SCORE_DISTRO;
 791   player_status.distros++;
 792
 793 }
 794
 795 /* Try to bump a bad guy from below: */
 796 void
 797 Sector::trybumpbadguy(const Vector& pos)
 798 {
 799   // Bad guys:
 800   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 801     {
 802       if ((*i)->base.x >= pos.x - 32 && (*i)->base.x <= pos.x + 32 &&
 803           (*i)->base.y >= pos.y - 16 && (*i)->base.y <= pos.y + 16)
 804         {
 805           (*i)->collision(player, CO_PLAYER, COLLISION_BUMP);
 806         }
 807     }
 808
 809   // Upgrades:
 810   for (unsigned int i = 0; i < upgrades.size(); i++)
 811     {
 812       if (upgrades[i]->base.height == 32 &&
 813           upgrades[i]->base.x >= pos.x - 32 && upgrades[i]->base.x <= pos.x + 32 &&
 814           upgrades[i]->base.y >= pos.y - 16 && upgrades[i]->base.y <= pos.y + 16)
 815         {
 816           upgrades[i]->collision(player, CO_PLAYER, COLLISION_BUMP);
 817         }
 818     }
 819 }
 820
 821 void
 822 Sector::load_music()
 823 {
 824   char* song_path;
 825   char* song_subtitle;
 826
 827   level_song = sound_manager->load_music(datadir + "/music/" + song_title);
 828
 829   song_path = (char *) malloc(sizeof(char) * datadir.length() +
 830                               strlen(song_title.c_str()) + 8 + 5);
 831   song_subtitle = strdup(song_title.c_str());
 832   strcpy(strstr(song_subtitle, "."), "\0");
 833   sprintf(song_path, "%s/music/%s-fast%s", datadir.c_str(),
 834           song_subtitle, strstr(song_title.c_str(), "."));
 835   if(!sound_manager->exists_music(song_path)) {
 836     level_song_fast = level_song;
 837   } else {
 838     level_song_fast = sound_manager->load_music(song_path);
 839   }
 840   free(song_subtitle);
 841   free(song_path);
 842 }
 843
 844 void
 845 Sector::play_music(int type)
 846 {
 847   currentmusic = type;
 848   switch(currentmusic) {
 849     case HURRYUP_MUSIC:
 850       sound_manager->play_music(level_song_fast);
 851       break;
 852     case LEVEL_MUSIC:
 853       sound_manager->play_music(level_song);
 854       break;
 855     case HERRING_MUSIC:
 856       sound_manager->play_music(herring_song);
 857       break;
 858     default:
 859       sound_manager->halt_music();
 860       break;
 861   }
 862 }
 863
 864 int
 865 Sector::get_music_type()
 866 {
 867   return currentmusic;
 868 }