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::add_object(GameObject* object)
 292 {
 293   gameobjects_new.push_back(object);
 294 }
 295
 296 void
 297 Sector::activate(const std::string& spawnpoint)
 298 {
 299   _current = this;
 300
 301   // Apply bonuses from former levels
 302   switch (player_status.bonus)
 303     {
 304     case PlayerStatus::NO_BONUS:
 305       break;
 306
 307     case PlayerStatus::FLOWER_BONUS:
 308       player->got_power = Player::FIRE_POWER;  // FIXME: add ice power to here
 309       // fall through
 310
 311     case PlayerStatus::GROWUP_BONUS:
 312       player->grow(false);
 313       break;
 314     }
 315
 316   SpawnPoint* sp = 0;
 317   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 318       ++i) {
 319     if((*i)->name == spawnpoint) {
 320       sp = *i;
 321       break;
 322     }
 323   }
 324   if(!sp) {
 325     std::cerr << "Spawnpoint '" << spawnpoint << "' not found.\n";
 326   } else {
 327     player->move(sp->pos);
 328   }
 329
 330   camera->reset(Vector(player->base.x, player->base.y));
 331 }
 332
 333 void
 334 Sector::action(float elapsed_time)
 335 {
 336   player->check_bounds(camera);
 337
 338   /* update objects (don't use iterators here, because the list might change
 339    * during the iteration)
 340    */
 341   for(size_t i = 0; i < gameobjects.size(); ++i)
 342     if(gameobjects[i]->is_valid())
 343       gameobjects[i]->action(elapsed_time);
 344
 345   /* Handle all possible collisions. */
 346   collision_handler();
 347
 348   update_game_objects();
 349 }
 350
 351 void
 352 Sector::update_game_objects()
 353 {
 354   /** cleanup marked objects */
 355   for(std::vector<GameObject*>::iterator i = gameobjects.begin();
 356       i != gameobjects.end(); /* nothing */) {
 357     if((*i)->is_valid() == false) {
 358       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 359       if(badguy) {
 360         badguys.erase(std::remove(badguys.begin(), badguys.end(), badguy),
 361             badguys.end());
 362       }
 363       Bullet* bullet = dynamic_cast<Bullet*> (*i);
 364       if(bullet) {
 365         bullets.erase(
 366             std::remove(bullets.begin(), bullets.end(), bullet),
 367             bullets.end());
 368       }
 369       InteractiveObject* interactive_object =
 370           dynamic_cast<InteractiveObject*> (*i);
 371       if(interactive_object) {
 372         interactive_objects.erase(
 373             std::remove(interactive_objects.begin(), interactive_objects.end(),
 374                 interactive_object), interactive_objects.end());
 375       }
 376       Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 377       if(upgrade) {
 378         upgrades.erase(
 379             std::remove(upgrades.begin(), upgrades.end(), upgrade),
 380             upgrades.end());
 381       }
 382       Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 383       if(trampoline) {
 384         trampolines.erase(
 385             std::remove(trampolines.begin(), trampolines.end(), trampoline),
 386             trampolines.end());
 387       }
 388       FlyingPlatform* flying_platform= dynamic_cast<FlyingPlatform*> (*i);
 389       if(flying_platform) {
 390         flying_platforms.erase(
 391             std::remove(flying_platforms.begin(), flying_platforms.end(), flying_platform),
 392             flying_platforms.end());
 393       }
 394
 395       delete *i;
 396       i = gameobjects.erase(i);
 397     } else {
 398       ++i;
 399     }
 400   }
 401
 402   /* add newly created objects */
 403   for(std::vector<GameObject*>::iterator i = gameobjects_new.begin();
 404       i != gameobjects_new.end(); ++i)
 405   {
 406           BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 407           if(badguy)
 408             badguys.push_back(badguy);
 409           Bullet* bullet = dynamic_cast<Bullet*> (*i);
 410           if(bullet)
 411             bullets.push_back(bullet);
 412           Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 413           if(upgrade)
 414             upgrades.push_back(upgrade);
 415           Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 416           if(trampoline)
 417             trampolines.push_back(trampoline);
 418           FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 419           if(flying_platform)
 420             flying_platforms.push_back(flying_platform);
 421           InteractiveObject* interactive_object
 422               = dynamic_cast<InteractiveObject*> (*i);
 423           if(interactive_object)
 424             interactive_objects.push_back(interactive_object);
 425
 426           gameobjects.push_back(*i);
 427   }
 428   gameobjects_new.clear();
 429 }
 430
 431 void
 432 Sector::draw(DrawingContext& context)
 433 {
 434   context.push_transform();
 435   context.set_translation(camera->get_translation());
 436
 437   for(GameObjects::iterator i = gameobjects.begin();
 438       i != gameobjects.end(); ++i) {
 439     if( (*i)->is_valid() )
 440       (*i)->draw(context);
 441   }
 442
 443   context.pop_transform();
 444 }
 445
 446 void
 447 Sector::collision_handler()
 448 {
 449   // CO_BULLET & CO_BADGUY check
 450   for(unsigned int i = 0; i < bullets.size(); ++i)
 451     {
 452       for (BadGuys::iterator j = badguys.begin(); j != badguys.end(); ++j)
 453         {
 454           if((*j)->dying != DYING_NOT)
 455             continue;
 456
 457           if(rectcollision(bullets[i]->base, (*j)->base))
 458             {
 459               // We have detected a collision and now call the
 460               // collision functions of the collided objects.
 461               (*j)->collision(bullets[i], CO_BULLET, COLLISION_NORMAL);
 462               bullets[i]->collision(CO_BADGUY);
 463               break; // bullet is invalid now, so break
 464             }
 465         }
 466     }
 467
 468   /* CO_BADGUY & CO_BADGUY check */
 469   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 470     {
 471       if((*i)->dying != DYING_NOT)
 472         continue;
 473
 474       BadGuys::iterator j = i;
 475       ++j;
 476       for (; j != badguys.end(); ++j)
 477         {
 478           if(j == i || (*j)->dying != DYING_NOT)
 479             continue;
 480
 481           if(rectcollision((*i)->base, (*j)->base))
 482             {
 483               // We have detected a collision and now call the
 484               // collision functions of the collided objects.
 485               (*j)->collision(*i, CO_BADGUY);
 486               (*i)->collision(*j, CO_BADGUY);
 487             }
 488         }
 489     }
 490   if(player->dying != DYING_NOT) return;
 491
 492   // CO_BADGUY & CO_PLAYER check
 493   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 494     {
 495       if((*i)->dying != DYING_NOT)
 496         continue;
 497
 498       if(rectcollision_offset((*i)->base, player->base, 0, 0))
 499         {
 500           // We have detected a collision and now call the collision
 501           // functions of the collided objects.
 502           if (player->previous_base.y < player->base.y &&
 503               player->previous_base.y + player->previous_base.height
 504               < (*i)->base.y + (*i)->base.height/2
 505               && !player->invincible_timer.started())
 506             {
 507               (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 508             }
 509           else
 510             {
 511               player->collision(*i, CO_BADGUY);
 512               (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 513             }
 514         }
 515     }
 516
 517   // CO_UPGRADE & CO_PLAYER check
 518   for(unsigned int i = 0; i < upgrades.size(); ++i)
 519     {
 520       if(rectcollision(upgrades[i]->base, player->base))
 521         {
 522           // We have detected a collision and now call the collision
 523           // functions of the collided objects.
 524           upgrades[i]->collision(player, CO_PLAYER, COLLISION_NORMAL);
 525         }
 526     }
 527
 528   // CO_TRAMPOLINE & (CO_PLAYER or CO_BADGUY)
 529   for (Trampolines::iterator i = trampolines.begin(); i != trampolines.end(); ++i)
 530   {
 531     if (rectcollision((*i)->base, player->base))
 532     {
 533       if (player->previous_base.y < player->base.y &&
 534           player->previous_base.y + player->previous_base.height
 535           < (*i)->base.y + (*i)->base.height/2)
 536       {
 537         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 538       }
 539       else if (player->previous_base.y <= player->base.y)
 540       {
 541         player->collision(*i, CO_TRAMPOLINE);
 542         (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 543       }
 544     }
 545   }
 546
 547   // CO_FLYING_PLATFORM & (CO_PLAYER or CO_BADGUY)
 548   for (FlyingPlatforms::iterator i = flying_platforms.begin(); i != flying_platforms.end(); ++i)
 549   {
 550     if (rectcollision((*i)->base, player->base))
 551     {
 552       if (player->previous_base.y < player->base.y &&
 553           player->previous_base.y + player->previous_base.height
 554           < (*i)->base.y + (*i)->base.height/2)
 555       {
 556         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 557         player->collision(*i, CO_FLYING_PLATFORM);
 558       }
 559 /*      else if (player->previous_base.y <= player->base.y)
 560       {
 561       }*/
 562     }
 563   }
 564 }
 565
 566 void
 567 Sector::add_score(const Vector& pos, int s)
 568 {
 569   player_status.score += s;
 570
 571   add_object(new FloatingScore(pos, s));
 572 }
 573
 574 void
 575 Sector::add_bouncy_distro(const Vector& pos)
 576 {
 577   add_object(new BouncyDistro(pos));
 578 }
 579
 580 void
 581 Sector::add_broken_brick(const Vector& pos, Tile* tile)
 582 {
 583   add_broken_brick_piece(pos, Vector(-1, -4), tile);
 584   add_broken_brick_piece(pos + Vector(0, 16), Vector(-1.5, -3), tile);
 585
 586   add_broken_brick_piece(pos + Vector(16, 0), Vector(1, -4), tile);
 587   add_broken_brick_piece(pos + Vector(16, 16), Vector(1.5, -3), tile);
 588 }
 589
 590 void
 591 Sector::add_broken_brick_piece(const Vector& pos, const Vector& movement,
 592     Tile* tile)
 593 {
 594   add_object(new BrokenBrick(tile, pos, movement));
 595 }
 596
 597 void
 598 Sector::add_bouncy_brick(const Vector& pos)
 599 {
 600   add_object(new BouncyBrick(pos));
 601 }
 602
 603 BadGuy*
 604 Sector::add_bad_guy(float x, float y, BadGuyKind kind)
 605 {
 606   BadGuy* badguy = new BadGuy(kind, x, y);
 607   add_object(badguy);
 608   return badguy;
 609 }
 610
 611 void
 612 Sector::add_upgrade(const Vector& pos, Direction dir, UpgradeKind kind)
 613 {
 614   add_object(new Upgrade(pos, dir, kind));
 615 }
 616
 617 bool
 618 Sector::add_bullet(const Vector& pos, float xm, Direction dir)
 619 {
 620   if(player->got_power == Player::FIRE_POWER)
 621     {
 622     if(bullets.size() > MAX_FIRE_BULLETS-1)
 623       return false;
 624     }
 625   else if(player->got_power == Player::ICE_POWER)
 626     {
 627     if(bullets.size() > MAX_ICE_BULLETS-1)
 628       return false;
 629     }
 630
 631   Bullet* new_bullet = 0;
 632   if(player->got_power == Player::FIRE_POWER)
 633     new_bullet = new Bullet(pos, xm, dir, FIRE_BULLET);
 634   else if(player->got_power == Player::ICE_POWER)
 635     new_bullet = new Bullet(pos, xm, dir, ICE_BULLET);
 636   else
 637     throw std::runtime_error("wrong bullet type.");
 638   add_object(new_bullet);
 639
 640   sound_manager->play_sound(sounds[SND_SHOOT]);
 641
 642   return true;
 643 }
 644
 645 /* Break a brick: */
 646 bool
 647 Sector::trybreakbrick(const Vector& pos, bool small)
 648 {
 649   Tile* tile = solids->get_tile_at(pos);
 650   if (!tile)
 651   {
 652     char errmsg[64];
 653     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 654     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 655   }
 656
 657   if (tile->attributes & Tile::BRICK)
 658     {
 659       if (tile->data > 0)
 660         {
 661           /* Get a distro from it: */
 662           add_bouncy_distro(
 663               Vector(((int)(pos.x + 1) / 32) * 32, (int)(pos.y / 32) * 32));
 664
 665           // TODO: don't handle this in a global way but per-tile...
 666           if (!counting_distros)
 667             {
 668               counting_distros = true;
 669               distro_counter = 5;
 670             }
 671           else
 672             {
 673               distro_counter--;
 674             }
 675
 676           if (distro_counter <= 0)
 677             {
 678               counting_distros = false;
 679               solids->change_at(pos, tile->next_tile);
 680             }
 681
 682           sound_manager->play_sound(sounds[SND_DISTRO]);
 683           player_status.score = player_status.score + SCORE_DISTRO;
 684           player_status.distros++;
 685           return true;
 686         }
 687       else if (!small)
 688         {
 689           /* Get rid of it: */
 690           solids->change_at(pos, tile->next_tile);
 691
 692           /* Replace it with broken bits: */
 693           add_broken_brick(Vector(
 694                                  ((int)(pos.x + 1) / 32) * 32,
 695                                  (int)(pos.y / 32) * 32), tile);
 696
 697           /* Get some score: */
 698           sound_manager->play_sound(sounds[SND_BRICK]);
 699           player_status.score = player_status.score + SCORE_BRICK;
 700
 701           return true;
 702         }
 703     }
 704
 705   return false;
 706 }
 707
 708 /* Empty a box: */
 709 void
 710 Sector::tryemptybox(const Vector& pos, Direction col_side)
 711 {
 712   Tile* tile = solids->get_tile_at(pos);
 713   if (!tile)
 714   {
 715     char errmsg[64];
 716     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 717     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 718   }
 719
 720
 721   if (!(tile->attributes & Tile::FULLBOX))
 722     return;
 723
 724   // according to the collision side, set the upgrade direction
 725   if(col_side == LEFT)
 726     col_side = RIGHT;
 727   else
 728     col_side = LEFT;
 729
 730   int posx = ((int)(pos.x+1) / 32) * 32;
 731   int posy = (int)(pos.y/32) * 32 - 32;
 732   switch(tile->data)
 733     {
 734     case 1: // Box with a distro!
 735       add_bouncy_distro(Vector(posx, posy));
 736       sound_manager->play_sound(sounds[SND_DISTRO]);
 737       player_status.score = player_status.score + SCORE_DISTRO;
 738       player_status.distros++;
 739       break;
 740
 741     case 2: // Add a fire flower upgrade!
 742       if (player->size == SMALL)     /* Tux is small, add mints! */
 743         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 744       else     /* Tux is big, add a fireflower: */
 745         add_upgrade(Vector(posx, posy), col_side, UPGRADE_FIREFLOWER);
 746       sound_manager->play_sound(sounds[SND_UPGRADE]);
 747       break;
 748
 749     case 5: // Add an ice flower upgrade!
 750       if (player->size == SMALL)     /* Tux is small, add mints! */
 751         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 752       else     /* Tux is big, add an iceflower: */
 753         add_upgrade(Vector(posx, posy), col_side, UPGRADE_ICEFLOWER);
 754       sound_manager->play_sound(sounds[SND_UPGRADE]);
 755       break;
 756
 757     case 3: // Add a golden herring
 758       add_upgrade(Vector(posx, posy), col_side, UPGRADE_HERRING);
 759       break;
 760
 761     case 4: // Add a 1up extra
 762       add_upgrade(Vector(posx, posy), col_side, UPGRADE_1UP);
 763       break;
 764     default:
 765       break;
 766     }
 767
 768   /* Empty the box: */
 769   solids->change_at(pos, tile->next_tile);
 770 }
 771
 772 /* Try to grab a distro: */
 773 void
 774 Sector::trygrabdistro(const Vector& pos, int bounciness)
 775 {
 776   Tile* tile = solids->get_tile_at(pos);
 777   if (!tile)
 778   {
 779     /*char errmsg[64];
 780     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 781     throw SuperTuxException(errmsg, __FILE__, __LINE__); */
 782
 783     //Bad tiles (i.e. tiles that are not defined in supertux.stgt but appear in the map) are changed to ID 0 (blank tile)
 784     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;
 785     solids->change_at(pos,0);
 786     tile = solids->get_tile_at(pos);
 787   }
 788
 789
 790   if (!(tile->attributes & Tile::COIN))
 791     return;
 792
 793   solids->change_at(pos, tile->next_tile);
 794   sound_manager->play_sound(sounds[SND_DISTRO]);
 795
 796   if (bounciness == BOUNCE)
 797     {
 798       add_bouncy_distro(Vector(((int)(pos.x + 1) / 32) * 32,
 799                               (int)(pos.y / 32) * 32));
 800     }
 801
 802   player_status.score = player_status.score + SCORE_DISTRO;
 803   player_status.distros++;
 804
 805 }
 806
 807 /* Try to bump a bad guy from below: */
 808 void
 809 Sector::trybumpbadguy(const Vector& pos)
 810 {
 811   // Bad guys:
 812   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 813     {
 814       if ((*i)->base.x >= pos.x - 32 && (*i)->base.x <= pos.x + 32 &&
 815           (*i)->base.y >= pos.y - 16 && (*i)->base.y <= pos.y + 16)
 816         {
 817           (*i)->collision(player, CO_PLAYER, COLLISION_BUMP);
 818         }
 819     }
 820
 821   // Upgrades:
 822   for (unsigned int i = 0; i < upgrades.size(); i++)
 823     {
 824       if (upgrades[i]->base.height == 32 &&
 825           upgrades[i]->base.x >= pos.x - 32 && upgrades[i]->base.x <= pos.x + 32 &&
 826           upgrades[i]->base.y >= pos.y - 16 && upgrades[i]->base.y <= pos.y + 16)
 827         {
 828           upgrades[i]->collision(player, CO_PLAYER, COLLISION_BUMP);
 829         }
 830     }
 831 }
 832
 833 void
 834 Sector::load_music()
 835 {
 836   char* song_path;
 837   char* song_subtitle;
 838
 839   level_song = sound_manager->load_music(datadir + "/music/" + song_title);
 840
 841   song_path = (char *) malloc(sizeof(char) * datadir.length() +
 842                               strlen(song_title.c_str()) + 8 + 5);
 843   song_subtitle = strdup(song_title.c_str());
 844   strcpy(strstr(song_subtitle, "."), "\0");
 845   sprintf(song_path, "%s/music/%s-fast%s", datadir.c_str(),
 846           song_subtitle, strstr(song_title.c_str(), "."));
 847   if(!sound_manager->exists_music(song_path)) {
 848     level_song_fast = level_song;
 849   } else {
 850     level_song_fast = sound_manager->load_music(song_path);
 851   }
 852   free(song_subtitle);
 853   free(song_path);
 854 }
 855
 856 void
 857 Sector::play_music(int type)
 858 {
 859   currentmusic = type;
 860   switch(currentmusic) {
 861     case HURRYUP_MUSIC:
 862       sound_manager->play_music(level_song_fast);
 863       break;
 864     case LEVEL_MUSIC:
 865       sound_manager->play_music(level_song);
 866       break;
 867     case HERRING_MUSIC:
 868       sound_manager->play_music(herring_song);
 869       break;
 870     default:
 871       sound_manager->halt_music();
 872       break;
 873   }
 874 }
 875
 876 int
 877 Sector::get_music_type()
 878 {
 879   return currentmusic;
 880 }