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   // write spawnpoints
 271   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 272       ++i) {
 273     SpawnPoint* spawn = *i;
 274     writer.start_list("playerspawn");
 275     writer.write_string("name", spawn->name);
 276     writer.write_float("x", spawn->pos.x);
 277     writer.write_float("y", spawn->pos.y);
 278     writer.end_list("playerspawn");
 279   }
 280
 281   // write objects
 282   for(GameObjects::iterator i = gameobjects.begin();
 283       i != gameobjects.end(); ++i) {
 284     Serializable* serializable = dynamic_cast<Serializable*> (*i);
 285     if(serializable)
 286       serializable->write(writer);
 287   }
 288 }
 289
 290 void
 291 Sector::do_vertical_flip()
 292 {
 293   for(GameObjects::iterator i = gameobjects_new.begin(); i != gameobjects_new.end(); ++i)
 294     {
 295     TileMap* tilemap = dynamic_cast<TileMap*> (*i);
 296     if(tilemap)
 297       {
 298       tilemap->do_vertical_flip();
 299       }
 300
 301     BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 302     if(badguy)
 303       badguy->start_position.y = solids->get_height()*32 - badguy->start_position.y - 32;
 304     Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 305     if(trampoline)
 306       trampoline->base.y = solids->get_height()*32 - trampoline->base.y - 32;
 307     FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 308     if(flying_platform)
 309       flying_platform->base.y = solids->get_height()*32 - flying_platform->base.y - 32;
 310     Door* door = dynamic_cast<Door*> (*i);
 311     if(door)
 312       door->set_area(door->get_area().x, solids->get_height()*32 - door->get_area().y - 32);
 313     }
 314
 315   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 316       ++i) {
 317     SpawnPoint* spawn = *i;
 318     spawn->pos.y = solids->get_height()*32 - spawn->pos.y - 32;
 319   }
 320 }
 321
 322 void
 323 Sector::add_object(GameObject* object)
 324 {
 325   gameobjects_new.push_back(object);
 326 }
 327
 328 void
 329 Sector::activate(const std::string& spawnpoint)
 330 {
 331   _current = this;
 332
 333   // Apply bonuses from former levels
 334   switch (player_status.bonus)
 335     {
 336     case PlayerStatus::NO_BONUS:
 337       break;
 338
 339     case PlayerStatus::FLOWER_BONUS:
 340       player->got_power = Player::FIRE_POWER;  // FIXME: add ice power to here
 341       // fall through
 342
 343     case PlayerStatus::GROWUP_BONUS:
 344       player->grow(false);
 345       break;
 346     }
 347
 348   SpawnPoint* sp = 0;
 349   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 350       ++i) {
 351     if((*i)->name == spawnpoint) {
 352       sp = *i;
 353       break;
 354     }
 355   }
 356   if(!sp) {
 357     std::cerr << "Spawnpoint '" << spawnpoint << "' not found.\n";
 358   } else {
 359     player->move(sp->pos);
 360   }
 361
 362   camera->reset(Vector(player->base.x, player->base.y));
 363 }
 364
 365 void
 366 Sector::action(float elapsed_time)
 367 {
 368   player->check_bounds(camera);
 369
 370   /* update objects (don't use iterators here, because the list might change
 371    * during the iteration)
 372    */
 373   for(size_t i = 0; i < gameobjects.size(); ++i)
 374     if(gameobjects[i]->is_valid())
 375       gameobjects[i]->action(elapsed_time);
 376
 377   /* Handle all possible collisions. */
 378   collision_handler();
 379
 380   update_game_objects();
 381 }
 382
 383 void
 384 Sector::update_game_objects()
 385 {
 386   /** cleanup marked objects */
 387   for(std::vector<GameObject*>::iterator i = gameobjects.begin();
 388       i != gameobjects.end(); /* nothing */) {
 389     if((*i)->is_valid() == false) {
 390       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 391       if(badguy) {
 392         badguys.erase(std::remove(badguys.begin(), badguys.end(), badguy),
 393             badguys.end());
 394       }
 395       Bullet* bullet = dynamic_cast<Bullet*> (*i);
 396       if(bullet) {
 397         bullets.erase(
 398             std::remove(bullets.begin(), bullets.end(), bullet),
 399             bullets.end());
 400       }
 401       InteractiveObject* interactive_object =
 402           dynamic_cast<InteractiveObject*> (*i);
 403       if(interactive_object) {
 404         interactive_objects.erase(
 405             std::remove(interactive_objects.begin(), interactive_objects.end(),
 406                 interactive_object), interactive_objects.end());
 407       }
 408       Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 409       if(upgrade) {
 410         upgrades.erase(
 411             std::remove(upgrades.begin(), upgrades.end(), upgrade),
 412             upgrades.end());
 413       }
 414       Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 415       if(trampoline) {
 416         trampolines.erase(
 417             std::remove(trampolines.begin(), trampolines.end(), trampoline),
 418             trampolines.end());
 419       }
 420       FlyingPlatform* flying_platform= dynamic_cast<FlyingPlatform*> (*i);
 421       if(flying_platform) {
 422         flying_platforms.erase(
 423             std::remove(flying_platforms.begin(), flying_platforms.end(), flying_platform),
 424             flying_platforms.end());
 425       }
 426
 427       delete *i;
 428       i = gameobjects.erase(i);
 429     } else {
 430       ++i;
 431     }
 432   }
 433
 434   /* add newly created objects */
 435   for(std::vector<GameObject*>::iterator i = gameobjects_new.begin();
 436       i != gameobjects_new.end(); ++i)
 437   {
 438           BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 439           if(badguy)
 440             badguys.push_back(badguy);
 441           Bullet* bullet = dynamic_cast<Bullet*> (*i);
 442           if(bullet)
 443             bullets.push_back(bullet);
 444           Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 445           if(upgrade)
 446             upgrades.push_back(upgrade);
 447           Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 448           if(trampoline)
 449             trampolines.push_back(trampoline);
 450           FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 451           if(flying_platform)
 452             flying_platforms.push_back(flying_platform);
 453           InteractiveObject* interactive_object
 454               = dynamic_cast<InteractiveObject*> (*i);
 455           if(interactive_object)
 456             interactive_objects.push_back(interactive_object);
 457
 458           gameobjects.push_back(*i);
 459   }
 460   gameobjects_new.clear();
 461 }
 462
 463 void
 464 Sector::draw(DrawingContext& context)
 465 {
 466   context.push_transform();
 467   context.set_translation(camera->get_translation());
 468
 469   for(GameObjects::iterator i = gameobjects.begin();
 470       i != gameobjects.end(); ++i) {
 471     if( (*i)->is_valid() )
 472       (*i)->draw(context);
 473   }
 474
 475   context.pop_transform();
 476 }
 477
 478 void
 479 Sector::collision_handler()
 480 {
 481   // CO_BULLET & CO_BADGUY check
 482   for(unsigned int i = 0; i < bullets.size(); ++i)
 483     {
 484       for (BadGuys::iterator j = badguys.begin(); j != badguys.end(); ++j)
 485         {
 486           if((*j)->dying != DYING_NOT)
 487             continue;
 488
 489           if(rectcollision(bullets[i]->base, (*j)->base))
 490             {
 491               // We have detected a collision and now call the
 492               // collision functions of the collided objects.
 493               (*j)->collision(bullets[i], CO_BULLET, COLLISION_NORMAL);
 494               bullets[i]->collision(CO_BADGUY);
 495               break; // bullet is invalid now, so break
 496             }
 497         }
 498     }
 499
 500   /* CO_BADGUY & CO_BADGUY check */
 501   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 502     {
 503       if((*i)->dying != DYING_NOT)
 504         continue;
 505
 506       BadGuys::iterator j = i;
 507       ++j;
 508       for (; j != badguys.end(); ++j)
 509         {
 510           if(j == i || (*j)->dying != DYING_NOT)
 511             continue;
 512
 513           if(rectcollision((*i)->base, (*j)->base))
 514             {
 515               // We have detected a collision and now call the
 516               // collision functions of the collided objects.
 517               (*j)->collision(*i, CO_BADGUY);
 518               (*i)->collision(*j, CO_BADGUY);
 519             }
 520         }
 521     }
 522   if(player->dying != DYING_NOT) return;
 523
 524   // CO_BADGUY & CO_PLAYER check
 525   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 526     {
 527       if((*i)->dying != DYING_NOT)
 528         continue;
 529
 530       if(rectcollision_offset((*i)->base, player->base, 0, 0))
 531         {
 532           // We have detected a collision and now call the collision
 533           // functions of the collided objects.
 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               && !player->invincible_timer.started())
 538             {
 539               (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 540             }
 541           else
 542             {
 543               player->collision(*i, CO_BADGUY);
 544               (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 545             }
 546         }
 547     }
 548
 549   // CO_UPGRADE & CO_PLAYER check
 550   for(unsigned int i = 0; i < upgrades.size(); ++i)
 551     {
 552       if(rectcollision(upgrades[i]->base, player->base))
 553         {
 554           // We have detected a collision and now call the collision
 555           // functions of the collided objects.
 556           upgrades[i]->collision(player, CO_PLAYER, COLLISION_NORMAL);
 557         }
 558     }
 559
 560   // CO_TRAMPOLINE & (CO_PLAYER or CO_BADGUY)
 561   for (Trampolines::iterator i = trampolines.begin(); i != trampolines.end(); ++i)
 562   {
 563     if (rectcollision((*i)->base, player->base))
 564     {
 565       if (player->previous_base.y < player->base.y &&
 566           player->previous_base.y + player->previous_base.height
 567           < (*i)->base.y + (*i)->base.height/2)
 568       {
 569         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 570       }
 571       else if (player->previous_base.y <= player->base.y)
 572       {
 573         player->collision(*i, CO_TRAMPOLINE);
 574         (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 575       }
 576     }
 577   }
 578
 579   // CO_FLYING_PLATFORM & (CO_PLAYER or CO_BADGUY)
 580   for (FlyingPlatforms::iterator i = flying_platforms.begin(); i != flying_platforms.end(); ++i)
 581   {
 582     if (rectcollision((*i)->base, player->base))
 583     {
 584       if (player->previous_base.y < player->base.y &&
 585           player->previous_base.y + player->previous_base.height
 586           < (*i)->base.y + (*i)->base.height/2)
 587       {
 588         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 589         player->collision(*i, CO_FLYING_PLATFORM);
 590       }
 591 /*      else if (player->previous_base.y <= player->base.y)
 592       {
 593       }*/
 594     }
 595   }
 596 }
 597
 598 void
 599 Sector::add_score(const Vector& pos, int s)
 600 {
 601   player_status.score += s;
 602
 603   add_object(new FloatingScore(pos, s));
 604 }
 605
 606 void
 607 Sector::add_bouncy_distro(const Vector& pos)
 608 {
 609   add_object(new BouncyDistro(pos));
 610 }
 611
 612 void
 613 Sector::add_broken_brick(const Vector& pos, Tile* tile)
 614 {
 615   add_broken_brick_piece(pos, Vector(-1, -4), tile);
 616   add_broken_brick_piece(pos + Vector(0, 16), Vector(-1.5, -3), tile);
 617
 618   add_broken_brick_piece(pos + Vector(16, 0), Vector(1, -4), tile);
 619   add_broken_brick_piece(pos + Vector(16, 16), Vector(1.5, -3), tile);
 620 }
 621
 622 void
 623 Sector::add_broken_brick_piece(const Vector& pos, const Vector& movement,
 624     Tile* tile)
 625 {
 626   add_object(new BrokenBrick(tile, pos, movement));
 627 }
 628
 629 void
 630 Sector::add_bouncy_brick(const Vector& pos)
 631 {
 632   add_object(new BouncyBrick(pos));
 633 }
 634
 635 BadGuy*
 636 Sector::add_bad_guy(float x, float y, BadGuyKind kind)
 637 {
 638   BadGuy* badguy = new BadGuy(kind, x, y);
 639   add_object(badguy);
 640   return badguy;
 641 }
 642
 643 void
 644 Sector::add_upgrade(const Vector& pos, Direction dir, UpgradeKind kind)
 645 {
 646   add_object(new Upgrade(pos, dir, kind));
 647 }
 648
 649 bool
 650 Sector::add_bullet(const Vector& pos, float xm, Direction dir)
 651 {
 652   if(player->got_power == Player::FIRE_POWER)
 653     {
 654     if(bullets.size() > MAX_FIRE_BULLETS-1)
 655       return false;
 656     }
 657   else if(player->got_power == Player::ICE_POWER)
 658     {
 659     if(bullets.size() > MAX_ICE_BULLETS-1)
 660       return false;
 661     }
 662
 663   Bullet* new_bullet = 0;
 664   if(player->got_power == Player::FIRE_POWER)
 665     new_bullet = new Bullet(pos, xm, dir, FIRE_BULLET);
 666   else if(player->got_power == Player::ICE_POWER)
 667     new_bullet = new Bullet(pos, xm, dir, ICE_BULLET);
 668   else
 669     throw std::runtime_error("wrong bullet type.");
 670   add_object(new_bullet);
 671
 672   sound_manager->play_sound(sounds[SND_SHOOT]);
 673
 674   return true;
 675 }
 676
 677 /* Break a brick: */
 678 bool
 679 Sector::trybreakbrick(const Vector& pos, bool small)
 680 {
 681   Tile* tile = solids->get_tile_at(pos);
 682   if (!tile)
 683   {
 684     char errmsg[64];
 685     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 686     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 687   }
 688
 689   if (tile->attributes & Tile::BRICK)
 690     {
 691       if (tile->data > 0)
 692         {
 693           /* Get a distro from it: */
 694           add_bouncy_distro(
 695               Vector(((int)(pos.x + 1) / 32) * 32, (int)(pos.y / 32) * 32));
 696
 697           // TODO: don't handle this in a global way but per-tile...
 698           if (!counting_distros)
 699             {
 700               counting_distros = true;
 701               distro_counter = 5;
 702             }
 703           else
 704             {
 705               distro_counter--;
 706             }
 707
 708           if (distro_counter <= 0)
 709             {
 710               counting_distros = false;
 711               solids->change_at(pos, tile->next_tile);
 712             }
 713
 714           sound_manager->play_sound(sounds[SND_DISTRO]);
 715           player_status.score = player_status.score + SCORE_DISTRO;
 716           player_status.distros++;
 717           return true;
 718         }
 719       else if (!small)
 720         {
 721           /* Get rid of it: */
 722           solids->change_at(pos, tile->next_tile);
 723
 724           /* Replace it with broken bits: */
 725           add_broken_brick(Vector(
 726                                  ((int)(pos.x + 1) / 32) * 32,
 727                                  (int)(pos.y / 32) * 32), tile);
 728
 729           /* Get some score: */
 730           sound_manager->play_sound(sounds[SND_BRICK]);
 731           player_status.score = player_status.score + SCORE_BRICK;
 732
 733           return true;
 734         }
 735     }
 736
 737   return false;
 738 }
 739
 740 /* Empty a box: */
 741 void
 742 Sector::tryemptybox(const Vector& pos, Direction col_side)
 743 {
 744   Tile* tile = solids->get_tile_at(pos);
 745   if (!tile)
 746   {
 747     char errmsg[64];
 748     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 749     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 750   }
 751
 752
 753   if (!(tile->attributes & Tile::FULLBOX))
 754     return;
 755
 756   // according to the collision side, set the upgrade direction
 757   if(col_side == LEFT)
 758     col_side = RIGHT;
 759   else
 760     col_side = LEFT;
 761
 762   int posx = ((int)(pos.x+1) / 32) * 32;
 763   int posy = (int)(pos.y/32) * 32 - 32;
 764   switch(tile->data)
 765     {
 766     case 1: // Box with a distro!
 767       add_bouncy_distro(Vector(posx, posy));
 768       sound_manager->play_sound(sounds[SND_DISTRO]);
 769       player_status.score = player_status.score + SCORE_DISTRO;
 770       player_status.distros++;
 771       break;
 772
 773     case 2: // Add a fire flower upgrade!
 774       if (player->size == SMALL)     /* Tux is small, add mints! */
 775         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 776       else     /* Tux is big, add a fireflower: */
 777         add_upgrade(Vector(posx, posy), col_side, UPGRADE_FIREFLOWER);
 778       sound_manager->play_sound(sounds[SND_UPGRADE]);
 779       break;
 780
 781     case 5: // Add an ice flower upgrade!
 782       if (player->size == SMALL)     /* Tux is small, add mints! */
 783         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 784       else     /* Tux is big, add an iceflower: */
 785         add_upgrade(Vector(posx, posy), col_side, UPGRADE_ICEFLOWER);
 786       sound_manager->play_sound(sounds[SND_UPGRADE]);
 787       break;
 788
 789     case 3: // Add a golden herring
 790       add_upgrade(Vector(posx, posy), col_side, UPGRADE_HERRING);
 791       break;
 792
 793     case 4: // Add a 1up extra
 794       add_upgrade(Vector(posx, posy), col_side, UPGRADE_1UP);
 795       break;
 796     default:
 797       break;
 798     }
 799
 800   /* Empty the box: */
 801   solids->change_at(pos, tile->next_tile);
 802 }
 803
 804 /* Try to grab a distro: */
 805 void
 806 Sector::trygrabdistro(const Vector& pos, int bounciness)
 807 {
 808   Tile* tile = solids->get_tile_at(pos);
 809   if (!tile)
 810   {
 811     /*char errmsg[64];
 812     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 813     throw SuperTuxException(errmsg, __FILE__, __LINE__); */
 814
 815     //Bad tiles (i.e. tiles that are not defined in supertux.stgt but appear in the map) are changed to ID 0 (blank tile)
 816     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;
 817     solids->change_at(pos,0);
 818     tile = solids->get_tile_at(pos);
 819   }
 820
 821
 822   if (!(tile->attributes & Tile::COIN))
 823     return;
 824
 825   solids->change_at(pos, tile->next_tile);
 826   sound_manager->play_sound(sounds[SND_DISTRO]);
 827
 828   if (bounciness == BOUNCE)
 829     {
 830       add_bouncy_distro(Vector(((int)(pos.x + 1) / 32) * 32,
 831                               (int)(pos.y / 32) * 32));
 832     }
 833
 834   player_status.score = player_status.score + SCORE_DISTRO;
 835   player_status.distros++;
 836
 837 }
 838
 839 /* Try to bump a bad guy from below: */
 840 void
 841 Sector::trybumpbadguy(const Vector& pos)
 842 {
 843   // Bad guys:
 844   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 845     {
 846       if ((*i)->base.x >= pos.x - 32 && (*i)->base.x <= pos.x + 32 &&
 847           (*i)->base.y >= pos.y - 16 && (*i)->base.y <= pos.y + 16)
 848         {
 849           (*i)->collision(player, CO_PLAYER, COLLISION_BUMP);
 850         }
 851     }
 852
 853   // Upgrades:
 854   for (unsigned int i = 0; i < upgrades.size(); i++)
 855     {
 856       if (upgrades[i]->base.height == 32 &&
 857           upgrades[i]->base.x >= pos.x - 32 && upgrades[i]->base.x <= pos.x + 32 &&
 858           upgrades[i]->base.y >= pos.y - 16 && upgrades[i]->base.y <= pos.y + 16)
 859         {
 860           upgrades[i]->collision(player, CO_PLAYER, COLLISION_BUMP);
 861         }
 862     }
 863 }
 864
 865 void
 866 Sector::load_music()
 867 {
 868   char* song_path;
 869   char* song_subtitle;
 870
 871   level_song = sound_manager->load_music(datadir + "/music/" + song_title);
 872
 873   song_path = (char *) malloc(sizeof(char) * datadir.length() +
 874                               strlen(song_title.c_str()) + 8 + 5);
 875   song_subtitle = strdup(song_title.c_str());
 876   strcpy(strstr(song_subtitle, "."), "\0");
 877   sprintf(song_path, "%s/music/%s-fast%s", datadir.c_str(),
 878           song_subtitle, strstr(song_title.c_str(), "."));
 879   if(!sound_manager->exists_music(song_path)) {
 880     level_song_fast = level_song;
 881   } else {
 882     level_song_fast = sound_manager->load_music(song_path);
 883   }
 884   free(song_subtitle);
 885   free(song_path);
 886 }
 887
 888 void
 889 Sector::play_music(int type)
 890 {
 891   currentmusic = type;
 892   switch(currentmusic) {
 893     case HURRYUP_MUSIC:
 894       sound_manager->play_music(level_song_fast);
 895       break;
 896     case LEVEL_MUSIC:
 897       sound_manager->play_music(level_song);
 898       break;
 899     case HERRING_MUSIC:
 900       sound_manager->play_music(herring_song);
 901       break;
 902     default:
 903       sound_manager->halt_music();
 904       break;
 905   }
 906 }
 907
 908 int
 909 Sector::get_music_type()
 910 {
 911   return currentmusic;
 912 }