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
 269   for(GameObjects::iterator i = gameobjects.begin();
 270       i != gameobjects.end(); ++i) {
 271     Serializable* serializable = dynamic_cast<Serializable*> (*i);
 272     if(serializable)
 273       serializable->write(writer);
 274   }
 275 }
 276
 277 void
 278 Sector::add_object(GameObject* object)
 279 {
 280   gameobjects_new.push_back(object);
 281 }
 282
 283 void
 284 Sector::activate(const std::string& spawnpoint)
 285 {
 286   _current = this;
 287
 288   // Apply bonuses from former levels
 289   switch (player_status.bonus)
 290     {
 291     case PlayerStatus::NO_BONUS:
 292       break;
 293
 294     case PlayerStatus::FLOWER_BONUS:
 295       player->got_power = Player::FIRE_POWER;  // FIXME: add ice power to here
 296       // fall through
 297
 298     case PlayerStatus::GROWUP_BONUS:
 299       player->grow(false);
 300       break;
 301     }
 302
 303   SpawnPoint* sp = 0;
 304   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 305       ++i) {
 306     if((*i)->name == spawnpoint) {
 307       sp = *i;
 308       break;
 309     }
 310   }
 311   if(!sp) {
 312     std::cerr << "Spawnpoint '" << spawnpoint << "' not found.\n";
 313   } else {
 314     player->move(sp->pos);
 315   }
 316
 317   camera->reset(Vector(player->base.x, player->base.y));
 318 }
 319
 320 void
 321 Sector::action(float elapsed_time)
 322 {
 323   player->check_bounds(camera);
 324
 325   /* update objects (don't use iterators here, because the list might change
 326    * during the iteration)
 327    */
 328   for(size_t i = 0; i < gameobjects.size(); ++i)
 329     if(gameobjects[i]->is_valid())
 330       gameobjects[i]->action(elapsed_time);
 331
 332   /* Handle all possible collisions. */
 333   collision_handler();
 334
 335   /** cleanup marked objects */
 336   for(std::vector<GameObject*>::iterator i = gameobjects.begin();
 337       i != gameobjects.end(); /* nothing */) {
 338     if((*i)->is_valid() == false) {
 339       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 340       if(badguy) {
 341         badguys.erase(std::remove(badguys.begin(), badguys.end(), badguy),
 342             badguys.end());
 343       }
 344       Bullet* bullet = dynamic_cast<Bullet*> (*i);
 345       if(bullet) {
 346         bullets.erase(
 347             std::remove(bullets.begin(), bullets.end(), bullet),
 348             bullets.end());
 349       }
 350       InteractiveObject* interactive_object =
 351           dynamic_cast<InteractiveObject*> (*i);
 352       if(interactive_object) {
 353         interactive_objects.erase(
 354             std::remove(interactive_objects.begin(), interactive_objects.end(),
 355                 interactive_object), interactive_objects.end());
 356       }
 357       Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 358       if(upgrade) {
 359         upgrades.erase(
 360             std::remove(upgrades.begin(), upgrades.end(), upgrade),
 361             upgrades.end());
 362       }
 363       Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 364       if(trampoline) {
 365         trampolines.erase(
 366             std::remove(trampolines.begin(), trampolines.end(), trampoline),
 367             trampolines.end());
 368       }
 369       FlyingPlatform* flying_platform= dynamic_cast<FlyingPlatform*> (*i);
 370       if(flying_platform) {
 371         flying_platforms.erase(
 372             std::remove(flying_platforms.begin(), flying_platforms.end(), flying_platform),
 373             flying_platforms.end());
 374       }
 375
 376       delete *i;
 377       i = gameobjects.erase(i);
 378     } else {
 379       ++i;
 380     }
 381   }
 382
 383   /* add newly created objects */
 384   for(std::vector<GameObject*>::iterator i = gameobjects_new.begin();
 385       i != gameobjects_new.end(); ++i)
 386   {
 387           BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 388           if(badguy)
 389             badguys.push_back(badguy);
 390           Bullet* bullet = dynamic_cast<Bullet*> (*i);
 391           if(bullet)
 392             bullets.push_back(bullet);
 393           Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 394           if(upgrade)
 395             upgrades.push_back(upgrade);
 396           Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 397           if(trampoline)
 398             trampolines.push_back(trampoline);
 399           FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 400           if(flying_platform)
 401             flying_platforms.push_back(flying_platform);
 402           InteractiveObject* interactive_object
 403               = dynamic_cast<InteractiveObject*> (*i);
 404           if(interactive_object)
 405             interactive_objects.push_back(interactive_object);
 406
 407           gameobjects.push_back(*i);
 408   }
 409   gameobjects_new.clear();
 410
 411 }
 412
 413 void
 414 Sector::draw(DrawingContext& context)
 415 {
 416   context.push_transform();
 417   context.set_translation(camera->get_translation());
 418
 419   for(GameObjects::iterator i = gameobjects.begin();
 420       i != gameobjects.end(); ++i) {
 421     if( (*i)->is_valid() )
 422       (*i)->draw(context);
 423   }
 424
 425   context.pop_transform();
 426 }
 427
 428 void
 429 Sector::collision_handler()
 430 {
 431   // CO_BULLET & CO_BADGUY check
 432   for(unsigned int i = 0; i < bullets.size(); ++i)
 433     {
 434       for (BadGuys::iterator j = badguys.begin(); j != badguys.end(); ++j)
 435         {
 436           if((*j)->dying != DYING_NOT)
 437             continue;
 438
 439           if(rectcollision(bullets[i]->base, (*j)->base))
 440             {
 441               // We have detected a collision and now call the
 442               // collision functions of the collided objects.
 443               (*j)->collision(bullets[i], CO_BULLET, COLLISION_NORMAL);
 444               bullets[i]->collision(CO_BADGUY);
 445               break; // bullet is invalid now, so break
 446             }
 447         }
 448     }
 449
 450   /* CO_BADGUY & CO_BADGUY check */
 451   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 452     {
 453       if((*i)->dying != DYING_NOT)
 454         continue;
 455
 456       BadGuys::iterator j = i;
 457       ++j;
 458       for (; j != badguys.end(); ++j)
 459         {
 460           if(j == i || (*j)->dying != DYING_NOT)
 461             continue;
 462
 463           if(rectcollision((*i)->base, (*j)->base))
 464             {
 465               // We have detected a collision and now call the
 466               // collision functions of the collided objects.
 467               (*j)->collision(*i, CO_BADGUY);
 468               (*i)->collision(*j, CO_BADGUY);
 469             }
 470         }
 471     }
 472   if(player->dying != DYING_NOT) return;
 473
 474   // CO_BADGUY & CO_PLAYER check
 475   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 476     {
 477       if((*i)->dying != DYING_NOT)
 478         continue;
 479
 480       if(rectcollision_offset((*i)->base, player->base, 0, 0))
 481         {
 482           // We have detected a collision and now call the collision
 483           // functions of the collided objects.
 484           if (player->previous_base.y < player->base.y &&
 485               player->previous_base.y + player->previous_base.height
 486               < (*i)->base.y + (*i)->base.height/2
 487               && !player->invincible_timer.started())
 488             {
 489               (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 490             }
 491           else
 492             {
 493               player->collision(*i, CO_BADGUY);
 494               (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 495             }
 496         }
 497     }
 498
 499   // CO_UPGRADE & CO_PLAYER check
 500   for(unsigned int i = 0; i < upgrades.size(); ++i)
 501     {
 502       if(rectcollision(upgrades[i]->base, player->base))
 503         {
 504           // We have detected a collision and now call the collision
 505           // functions of the collided objects.
 506           upgrades[i]->collision(player, CO_PLAYER, COLLISION_NORMAL);
 507         }
 508     }
 509
 510   // CO_TRAMPOLINE & (CO_PLAYER or CO_BADGUY)
 511   for (Trampolines::iterator i = trampolines.begin(); i != trampolines.end(); ++i)
 512   {
 513     if (rectcollision((*i)->base, player->base))
 514     {
 515       if (player->previous_base.y < player->base.y &&
 516           player->previous_base.y + player->previous_base.height
 517           < (*i)->base.y + (*i)->base.height/2)
 518       {
 519         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 520       }
 521       else if (player->previous_base.y <= player->base.y)
 522       {
 523         player->collision(*i, CO_TRAMPOLINE);
 524         (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 525       }
 526     }
 527   }
 528
 529   // CO_FLYING_PLATFORM & (CO_PLAYER or CO_BADGUY)
 530   for (FlyingPlatforms::iterator i = flying_platforms.begin(); i != flying_platforms.end(); ++i)
 531   {
 532     if (rectcollision((*i)->base, player->base))
 533     {
 534       if (player->previous_base.y < player->base.y &&
 535           player->previous_base.y + player->previous_base.height
 536           < (*i)->base.y + (*i)->base.height/2)
 537       {
 538         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 539         player->collision(*i, CO_FLYING_PLATFORM);
 540       }
 541 /*      else if (player->previous_base.y <= player->base.y)
 542       {
 543       }*/
 544     }
 545   }
 546 }
 547
 548 void
 549 Sector::add_score(const Vector& pos, int s)
 550 {
 551   player_status.score += s;
 552
 553   add_object(new FloatingScore(pos, s));
 554 }
 555
 556 void
 557 Sector::add_bouncy_distro(const Vector& pos)
 558 {
 559   add_object(new BouncyDistro(pos));
 560 }
 561
 562 void
 563 Sector::add_broken_brick(const Vector& pos, Tile* tile)
 564 {
 565   add_broken_brick_piece(pos, Vector(-1, -4), tile);
 566   add_broken_brick_piece(pos + Vector(0, 16), Vector(-1.5, -3), tile);
 567
 568   add_broken_brick_piece(pos + Vector(16, 0), Vector(1, -4), tile);
 569   add_broken_brick_piece(pos + Vector(16, 16), Vector(1.5, -3), tile);
 570 }
 571
 572 void
 573 Sector::add_broken_brick_piece(const Vector& pos, const Vector& movement,
 574     Tile* tile)
 575 {
 576   add_object(new BrokenBrick(tile, pos, movement));
 577 }
 578
 579 void
 580 Sector::add_bouncy_brick(const Vector& pos)
 581 {
 582   add_object(new BouncyBrick(pos));
 583 }
 584
 585 BadGuy*
 586 Sector::add_bad_guy(float x, float y, BadGuyKind kind)
 587 {
 588   BadGuy* badguy = new BadGuy(kind, x, y);
 589   add_object(badguy);
 590   return badguy;
 591 }
 592
 593 void
 594 Sector::add_upgrade(const Vector& pos, Direction dir, UpgradeKind kind)
 595 {
 596   add_object(new Upgrade(pos, dir, kind));
 597 }
 598
 599 bool
 600 Sector::add_bullet(const Vector& pos, float xm, Direction dir)
 601 {
 602   if(player->got_power == Player::FIRE_POWER)
 603     {
 604     if(bullets.size() > MAX_FIRE_BULLETS-1)
 605       return false;
 606     }
 607   else if(player->got_power == Player::ICE_POWER)
 608     {
 609     if(bullets.size() > MAX_ICE_BULLETS-1)
 610       return false;
 611     }
 612
 613   Bullet* new_bullet = 0;
 614   if(player->got_power == Player::FIRE_POWER)
 615     new_bullet = new Bullet(pos, xm, dir, FIRE_BULLET);
 616   else if(player->got_power == Player::ICE_POWER)
 617     new_bullet = new Bullet(pos, xm, dir, ICE_BULLET);
 618   else
 619     throw std::runtime_error("wrong bullet type.");
 620   add_object(new_bullet);
 621
 622   sound_manager->play_sound(sounds[SND_SHOOT]);
 623
 624   return true;
 625 }
 626
 627 /* Break a brick: */
 628 bool
 629 Sector::trybreakbrick(const Vector& pos, bool small)
 630 {
 631   Tile* tile = solids->get_tile_at(pos);
 632   if (!tile)
 633   {
 634     char errmsg[64];
 635     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 636     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 637   }
 638
 639   if (tile->attributes & Tile::BRICK)
 640     {
 641       if (tile->data > 0)
 642         {
 643           /* Get a distro from it: */
 644           add_bouncy_distro(
 645               Vector(((int)(pos.x + 1) / 32) * 32, (int)(pos.y / 32) * 32));
 646
 647           // TODO: don't handle this in a global way but per-tile...
 648           if (!counting_distros)
 649             {
 650               counting_distros = true;
 651               distro_counter = 5;
 652             }
 653           else
 654             {
 655               distro_counter--;
 656             }
 657
 658           if (distro_counter <= 0)
 659             {
 660               counting_distros = false;
 661               solids->change_at(pos, tile->next_tile);
 662             }
 663
 664           sound_manager->play_sound(sounds[SND_DISTRO]);
 665           player_status.score = player_status.score + SCORE_DISTRO;
 666           player_status.distros++;
 667           return true;
 668         }
 669       else if (!small)
 670         {
 671           /* Get rid of it: */
 672           solids->change_at(pos, tile->next_tile);
 673
 674           /* Replace it with broken bits: */
 675           add_broken_brick(Vector(
 676                                  ((int)(pos.x + 1) / 32) * 32,
 677                                  (int)(pos.y / 32) * 32), tile);
 678
 679           /* Get some score: */
 680           sound_manager->play_sound(sounds[SND_BRICK]);
 681           player_status.score = player_status.score + SCORE_BRICK;
 682
 683           return true;
 684         }
 685     }
 686
 687   return false;
 688 }
 689
 690 /* Empty a box: */
 691 void
 692 Sector::tryemptybox(const Vector& pos, Direction col_side)
 693 {
 694   Tile* tile = solids->get_tile_at(pos);
 695   if (!tile)
 696   {
 697     char errmsg[64];
 698     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 699     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 700   }
 701
 702
 703   if (!(tile->attributes & Tile::FULLBOX))
 704     return;
 705
 706   // according to the collision side, set the upgrade direction
 707   if(col_side == LEFT)
 708     col_side = RIGHT;
 709   else
 710     col_side = LEFT;
 711
 712   int posx = ((int)(pos.x+1) / 32) * 32;
 713   int posy = (int)(pos.y/32) * 32 - 32;
 714   switch(tile->data)
 715     {
 716     case 1: // Box with a distro!
 717       add_bouncy_distro(Vector(posx, posy));
 718       sound_manager->play_sound(sounds[SND_DISTRO]);
 719       player_status.score = player_status.score + SCORE_DISTRO;
 720       player_status.distros++;
 721       break;
 722
 723     case 2: // Add a fire flower upgrade!
 724       if (player->size == SMALL)     /* Tux is small, add mints! */
 725         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 726       else     /* Tux is big, add a fireflower: */
 727         add_upgrade(Vector(posx, posy), col_side, UPGRADE_FIREFLOWER);
 728       sound_manager->play_sound(sounds[SND_UPGRADE]);
 729       break;
 730
 731     case 5: // Add an ice flower upgrade!
 732       if (player->size == SMALL)     /* Tux is small, add mints! */
 733         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 734       else     /* Tux is big, add an iceflower: */
 735         add_upgrade(Vector(posx, posy), col_side, UPGRADE_ICEFLOWER);
 736       sound_manager->play_sound(sounds[SND_UPGRADE]);
 737       break;
 738
 739     case 3: // Add a golden herring
 740       add_upgrade(Vector(posx, posy), col_side, UPGRADE_HERRING);
 741       break;
 742
 743     case 4: // Add a 1up extra
 744       add_upgrade(Vector(posx, posy), col_side, UPGRADE_1UP);
 745       break;
 746     default:
 747       break;
 748     }
 749
 750   /* Empty the box: */
 751   solids->change_at(pos, tile->next_tile);
 752 }
 753
 754 /* Try to grab a distro: */
 755 void
 756 Sector::trygrabdistro(const Vector& pos, int bounciness)
 757 {
 758   Tile* tile = solids->get_tile_at(pos);
 759   if (!tile)
 760   {
 761     /*char errmsg[64];
 762     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 763     throw SuperTuxException(errmsg, __FILE__, __LINE__); */
 764
 765     //Bad tiles (i.e. tiles that are not defined in supertux.stgt but appear in the map) are changed to ID 0 (blank tile)
 766     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;
 767     solids->change_at(pos,0);
 768     tile = solids->get_tile_at(pos);
 769   }
 770
 771
 772   if (!(tile->attributes & Tile::COIN))
 773     return;
 774
 775   solids->change_at(pos, tile->next_tile);
 776   sound_manager->play_sound(sounds[SND_DISTRO]);
 777
 778   if (bounciness == BOUNCE)
 779     {
 780       add_bouncy_distro(Vector(((int)(pos.x + 1) / 32) * 32,
 781                               (int)(pos.y / 32) * 32));
 782     }
 783
 784   player_status.score = player_status.score + SCORE_DISTRO;
 785   player_status.distros++;
 786
 787 }
 788
 789 /* Try to bump a bad guy from below: */
 790 void
 791 Sector::trybumpbadguy(const Vector& pos)
 792 {
 793   // Bad guys:
 794   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 795     {
 796       if ((*i)->base.x >= pos.x - 32 && (*i)->base.x <= pos.x + 32 &&
 797           (*i)->base.y >= pos.y - 16 && (*i)->base.y <= pos.y + 16)
 798         {
 799           (*i)->collision(player, CO_PLAYER, COLLISION_BUMP);
 800         }
 801     }
 802
 803   // Upgrades:
 804   for (unsigned int i = 0; i < upgrades.size(); i++)
 805     {
 806       if (upgrades[i]->base.height == 32 &&
 807           upgrades[i]->base.x >= pos.x - 32 && upgrades[i]->base.x <= pos.x + 32 &&
 808           upgrades[i]->base.y >= pos.y - 16 && upgrades[i]->base.y <= pos.y + 16)
 809         {
 810           upgrades[i]->collision(player, CO_PLAYER, COLLISION_BUMP);
 811         }
 812     }
 813 }
 814
 815 void
 816 Sector::load_music()
 817 {
 818   char* song_path;
 819   char* song_subtitle;
 820
 821   level_song = sound_manager->load_music(datadir + "/music/" + song_title);
 822
 823   song_path = (char *) malloc(sizeof(char) * datadir.length() +
 824                               strlen(song_title.c_str()) + 8 + 5);
 825   song_subtitle = strdup(song_title.c_str());
 826   strcpy(strstr(song_subtitle, "."), "\0");
 827   sprintf(song_path, "%s/music/%s-fast%s", datadir.c_str(),
 828           song_subtitle, strstr(song_title.c_str(), "."));
 829   if(!sound_manager->exists_music(song_path)) {
 830     level_song_fast = level_song;
 831   } else {
 832     level_song_fast = sound_manager->load_music(song_path);
 833   }
 834   free(song_subtitle);
 835   free(song_path);
 836 }
 837
 838 void
 839 Sector::play_music(int type)
 840 {
 841   currentmusic = type;
 842   switch(currentmusic) {
 843     case HURRYUP_MUSIC:
 844       sound_manager->play_music(level_song_fast);
 845       break;
 846     case LEVEL_MUSIC:
 847       sound_manager->play_music(level_song);
 848       break;
 849     case HERRING_MUSIC:
 850       sound_manager->play_music(herring_song);
 851       break;
 852     default:
 853       sound_manager->halt_music();
 854       break;
 855   }
 856 }
 857
 858 int
 859 Sector::get_music_type()
 860 {
 861   return currentmusic;
 862 }