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 "app/globals.h"
  28 #include "sector.h"
  29 #include "utils/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 "audio/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 == "spawn-points") {
 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   bgspeed /= 100;
 159
 160   Color bkgd_top, bkgd_bottom;
 161   int r = 0, g = 0, b = 128;
 162   reader.read_int("bkgd_red_top", r);
 163   reader.read_int("bkgd_green_top",  g);
 164   reader.read_int("bkgd_blue_top",  b);
 165   bkgd_top.red = r;
 166   bkgd_top.green = g;
 167   bkgd_top.blue = b;
 168
 169   reader.read_int("bkgd_red_bottom",  r);
 170   reader.read_int("bkgd_green_bottom", g);
 171   reader.read_int("bkgd_blue_bottom", b);
 172   bkgd_bottom.red = r;
 173   bkgd_bottom.green = g;
 174   bkgd_bottom.blue = b;
 175
 176   if(backgroundimage != "") {
 177     background = new Background;
 178     background->set_image(backgroundimage, bgspeed);
 179     add_object(background);
 180   } else {
 181     background = new Background;
 182     background->set_gradient(bkgd_top, bkgd_bottom);
 183     add_object(background);
 184   }
 185
 186   std::string particlesystem;
 187   reader.read_string("particle_system", particlesystem);
 188   if(particlesystem == "clouds")
 189     add_object(new CloudParticleSystem());
 190   else if(particlesystem == "snow")
 191     add_object(new SnowParticleSystem());
 192
 193   Vector startpos(100, 170);
 194   reader.read_float("start_pos_x", startpos.x);
 195   reader.read_float("start_pos_y", startpos.y);
 196
 197   SpawnPoint* spawn = new SpawnPoint;
 198   spawn->pos = startpos;
 199   spawn->name = "main";
 200   spawnpoints.push_back(spawn);
 201
 202   song_title = "Mortimers_chipdisko.mod";
 203   reader.read_string("music", song_title);
 204   load_music();
 205
 206   int width, height = 15;
 207   reader.read_int("width", width);
 208   reader.read_int("height", height);
 209
 210   std::vector<unsigned int> tiles;
 211   if(reader.read_int_vector("interactive-tm", tiles)
 212       || reader.read_int_vector("tilemap", tiles)) {
 213     TileMap* tilemap = new TileMap();
 214     tilemap->set(width, height, tiles, LAYER_TILES, true);
 215     solids = tilemap;
 216     add_object(tilemap);
 217   }
 218
 219   if(reader.read_int_vector("background-tm", tiles)) {
 220     TileMap* tilemap = new TileMap();
 221     tilemap->set(width, height, tiles, LAYER_BACKGROUNDTILES, false);
 222     add_object(tilemap);
 223   }
 224
 225   if(reader.read_int_vector("foreground-tm", tiles)) {
 226     TileMap* tilemap = new TileMap();
 227     tilemap->set(width, height, tiles, LAYER_FOREGROUNDTILES, false);
 228     add_object(tilemap);
 229   }
 230
 231   // read reset-points (now spawn-points)
 232   {
 233     lisp_object_t* cur = 0;
 234     if(reader.read_lisp("reset-points", cur)) {
 235       while(!lisp_nil_p(cur)) {
 236         lisp_object_t* data = lisp_car(cur);
 237         LispReader reader(lisp_cdr(data));
 238
 239         Vector sp_pos;
 240         if(reader.read_float("x", sp_pos.x) && reader.read_float("y", sp_pos.y))
 241           {
 242           SpawnPoint* sp = new SpawnPoint;
 243           sp->name = "main";
 244           sp->pos = sp_pos;
 245           spawnpoints.push_back(sp);
 246           }
 247
 248         cur = lisp_cdr(cur);
 249       }
 250     }
 251   }
 252
 253   // read objects
 254   {
 255     lisp_object_t* cur = 0;
 256     if(reader.read_lisp("objects", cur)) {
 257       while(!lisp_nil_p(cur)) {
 258         lisp_object_t* data = lisp_car(cur);
 259         std::string object_type = lisp_symbol(lisp_car(data));
 260
 261         LispReader reader(lisp_cdr(data));
 262
 263         if(object_type == "trampoline") {
 264           add_object(new Trampoline(reader));
 265         }
 266         else if(object_type == "flying-platform") {
 267           add_object(new FlyingPlatform(reader));
 268         }
 269         else {
 270           BadGuyKind kind = badguykind_from_string(object_type);
 271           add_object(new BadGuy(kind, reader));
 272         }
 273
 274         cur = lisp_cdr(cur);
 275       }
 276     }
 277   }
 278
 279   // add a camera
 280   camera = new Camera(this);
 281   add_object(camera);
 282 }
 283
 284 void
 285 Sector::write(LispWriter& writer)
 286 {
 287   writer.write_string("name", name);
 288   writer.write_float("gravity", gravity);
 289   writer.write_string("music", song_title);
 290
 291   // write spawnpoints
 292   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 293       ++i) {
 294     SpawnPoint* spawn = *i;
 295     writer.start_list("spawn-points");
 296     writer.write_string("name", spawn->name);
 297     writer.write_float("x", spawn->pos.x);
 298     writer.write_float("y", spawn->pos.y);
 299     writer.end_list("spawn-points");
 300   }
 301
 302   // write objects
 303   for(GameObjects::iterator i = gameobjects.begin();
 304       i != gameobjects.end(); ++i) {
 305     Serializable* serializable = dynamic_cast<Serializable*> (*i);
 306     if(serializable)
 307       serializable->write(writer);
 308   }
 309 }
 310
 311 void
 312 Sector::do_vertical_flip()
 313 {
 314   for(GameObjects::iterator i = gameobjects_new.begin(); i != gameobjects_new.end(); ++i)
 315     {
 316     TileMap* tilemap = dynamic_cast<TileMap*> (*i);
 317     if(tilemap)
 318       {
 319       tilemap->do_vertical_flip();
 320       }
 321
 322     BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 323     if(badguy)
 324       badguy->start_position.y = solids->get_height()*32 - badguy->start_position.y - 32;
 325     Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 326     if(trampoline)
 327       trampoline->base.y = solids->get_height()*32 - trampoline->base.y - 32;
 328     FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 329     if(flying_platform)
 330       flying_platform->base.y = solids->get_height()*32 - flying_platform->base.y - 32;
 331     Door* door = dynamic_cast<Door*> (*i);
 332     if(door)
 333       door->set_area(door->get_area().x, solids->get_height()*32 - door->get_area().y - 32);
 334     }
 335
 336   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 337       ++i) {
 338     SpawnPoint* spawn = *i;
 339     spawn->pos.y = solids->get_height()*32 - spawn->pos.y - 32;
 340   }
 341 }
 342
 343 void
 344 Sector::add_object(GameObject* object)
 345 {
 346   gameobjects_new.push_back(object);
 347 }
 348
 349 void
 350 Sector::activate(const std::string& spawnpoint)
 351 {
 352   _current = this;
 353
 354   // Apply bonuses from former levels
 355   switch (player_status.bonus)
 356     {
 357     case PlayerStatus::NO_BONUS:
 358       break;
 359
 360     case PlayerStatus::FLOWER_BONUS:
 361       player->got_power = Player::FIRE_POWER;  // FIXME: add ice power to here
 362       // fall through
 363
 364     case PlayerStatus::GROWUP_BONUS:
 365       player->grow(false);
 366       break;
 367     }
 368
 369   SpawnPoint* sp = 0;
 370   for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 371       ++i) {
 372     if((*i)->name == spawnpoint) {
 373       sp = *i;
 374       break;
 375     }
 376   }
 377   if(!sp) {
 378     std::cerr << "Spawnpoint '" << spawnpoint << "' not found.\n";
 379   } else {
 380     player->move(sp->pos);
 381   }
 382
 383   camera->reset(Vector(player->base.x, player->base.y));
 384 }
 385
 386 Vector
 387 Sector::get_best_spawn_point(Vector pos)
 388 {
 389 Vector best_reset_point = Vector(-1,-1);
 390
 391 for(SpawnPoints::iterator i = spawnpoints.begin(); i != spawnpoints.end();
 392       ++i) {
 393   if((*i)->name != "main")
 394     continue;
 395   if((*i)->pos.x > best_reset_point.x && (*i)->pos.x < pos.x)
 396     best_reset_point = (*i)->pos;
 397   }
 398
 399 return best_reset_point;
 400 }
 401
 402 void
 403 Sector::action(float elapsed_time)
 404 {
 405   player->check_bounds(camera);
 406
 407   /* update objects (don't use iterators here, because the list might change
 408    * during the iteration)
 409    */
 410   for(size_t i = 0; i < gameobjects.size(); ++i)
 411     if(gameobjects[i]->is_valid())
 412       gameobjects[i]->action(elapsed_time);
 413
 414   /* Handle all possible collisions. */
 415   collision_handler();
 416
 417   update_game_objects();
 418 }
 419
 420 void
 421 Sector::update_game_objects()
 422 {
 423   /** cleanup marked objects */
 424   for(std::vector<GameObject*>::iterator i = gameobjects.begin();
 425       i != gameobjects.end(); /* nothing */) {
 426     if((*i)->is_valid() == false) {
 427       BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 428       if(badguy) {
 429         badguys.erase(std::remove(badguys.begin(), badguys.end(), badguy),
 430             badguys.end());
 431       }
 432       Bullet* bullet = dynamic_cast<Bullet*> (*i);
 433       if(bullet) {
 434         bullets.erase(
 435             std::remove(bullets.begin(), bullets.end(), bullet),
 436             bullets.end());
 437       }
 438       InteractiveObject* interactive_object =
 439           dynamic_cast<InteractiveObject*> (*i);
 440       if(interactive_object) {
 441         interactive_objects.erase(
 442             std::remove(interactive_objects.begin(), interactive_objects.end(),
 443                 interactive_object), interactive_objects.end());
 444       }
 445       Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 446       if(upgrade) {
 447         upgrades.erase(
 448             std::remove(upgrades.begin(), upgrades.end(), upgrade),
 449             upgrades.end());
 450       }
 451       Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 452       if(trampoline) {
 453         trampolines.erase(
 454             std::remove(trampolines.begin(), trampolines.end(), trampoline),
 455             trampolines.end());
 456       }
 457       FlyingPlatform* flying_platform= dynamic_cast<FlyingPlatform*> (*i);
 458       if(flying_platform) {
 459         flying_platforms.erase(
 460             std::remove(flying_platforms.begin(), flying_platforms.end(), flying_platform),
 461             flying_platforms.end());
 462       }
 463       SmokeCloud* smoke_cloud = dynamic_cast<SmokeCloud*> (*i);
 464       if(smoke_cloud) {
 465         smoke_clouds.erase(
 466             std::remove(smoke_clouds.begin(), smoke_clouds.end(), smoke_cloud),
 467             smoke_clouds.end());
 468       }
 469
 470       delete *i;
 471       i = gameobjects.erase(i);
 472     } else {
 473       ++i;
 474     }
 475   }
 476
 477   /* add newly created objects */
 478   for(std::vector<GameObject*>::iterator i = gameobjects_new.begin();
 479       i != gameobjects_new.end(); ++i)
 480   {
 481           BadGuy* badguy = dynamic_cast<BadGuy*> (*i);
 482           if(badguy)
 483             badguys.push_back(badguy);
 484           Bullet* bullet = dynamic_cast<Bullet*> (*i);
 485           if(bullet)
 486             bullets.push_back(bullet);
 487           Upgrade* upgrade = dynamic_cast<Upgrade*> (*i);
 488           if(upgrade)
 489             upgrades.push_back(upgrade);
 490           Trampoline* trampoline = dynamic_cast<Trampoline*> (*i);
 491           if(trampoline)
 492             trampolines.push_back(trampoline);
 493           FlyingPlatform* flying_platform = dynamic_cast<FlyingPlatform*> (*i);
 494           if(flying_platform)
 495             flying_platforms.push_back(flying_platform);
 496           InteractiveObject* interactive_object
 497               = dynamic_cast<InteractiveObject*> (*i);
 498           if(interactive_object)
 499             interactive_objects.push_back(interactive_object);
 500           SmokeCloud* smoke_cloud = dynamic_cast<SmokeCloud*> (*i);
 501           if(smoke_cloud)
 502             smoke_clouds.push_back(smoke_cloud);
 503
 504
 505           gameobjects.push_back(*i);
 506   }
 507   gameobjects_new.clear();
 508 }
 509
 510 void
 511 Sector::draw(DrawingContext& context)
 512 {
 513   context.push_transform();
 514   context.set_translation(camera->get_translation());
 515
 516   for(GameObjects::iterator i = gameobjects.begin();
 517       i != gameobjects.end(); ++i) {
 518     if( (*i)->is_valid() )
 519       (*i)->draw(context);
 520   }
 521
 522   context.pop_transform();
 523 }
 524
 525 void
 526 Sector::collision_handler()
 527 {
 528   // CO_BULLET & CO_BADGUY check
 529   for(unsigned int i = 0; i < bullets.size(); ++i)
 530     {
 531       for (BadGuys::iterator j = badguys.begin(); j != badguys.end(); ++j)
 532         {
 533           if((*j)->dying != DYING_NOT)
 534             continue;
 535
 536           if(rectcollision(bullets[i]->base, (*j)->base))
 537             {
 538               // We have detected a collision and now call the
 539               // collision functions of the collided objects.
 540               (*j)->collision(bullets[i], CO_BULLET, COLLISION_NORMAL);
 541               bullets[i]->collision(CO_BADGUY);
 542               break; // bullet is invalid now, so break
 543             }
 544         }
 545     }
 546
 547   /* CO_BADGUY & CO_BADGUY check */
 548   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 549     {
 550       if((*i)->dying != DYING_NOT)
 551         continue;
 552
 553       BadGuys::iterator j = i;
 554       ++j;
 555       for (; j != badguys.end(); ++j)
 556         {
 557           if(j == i || (*j)->dying != DYING_NOT)
 558             continue;
 559
 560           if(rectcollision((*i)->base, (*j)->base))
 561             {
 562               // We have detected a collision and now call the
 563               // collision functions of the collided objects.
 564               (*j)->collision(*i, CO_BADGUY);
 565               (*i)->collision(*j, CO_BADGUY);
 566             }
 567         }
 568     }
 569   if(player->dying != DYING_NOT) return;
 570
 571   // CO_BADGUY & CO_PLAYER check
 572   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 573     {
 574       if((*i)->dying != DYING_NOT)
 575         continue;
 576
 577       if(rectcollision_offset((*i)->base, player->base, 0, 0))
 578         {
 579           // We have detected a collision and now call the collision
 580           // functions of the collided objects.
 581           if (player->previous_base.y < player->base.y &&
 582               player->previous_base.y + player->previous_base.height
 583               < (*i)->base.y + (*i)->base.height/2
 584               && !player->invincible_timer.started())
 585             {
 586               (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 587             }
 588           else
 589             {
 590               player->collision(*i, CO_BADGUY);
 591               (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 592             }
 593         }
 594     }
 595
 596   // CO_UPGRADE & CO_PLAYER check
 597   for(unsigned int i = 0; i < upgrades.size(); ++i)
 598     {
 599       if(rectcollision(upgrades[i]->base, player->base))
 600         {
 601           // We have detected a collision and now call the collision
 602           // functions of the collided objects.
 603           upgrades[i]->collision(player, CO_PLAYER, COLLISION_NORMAL);
 604         }
 605     }
 606
 607   // CO_TRAMPOLINE & (CO_PLAYER or CO_BADGUY)
 608   for (Trampolines::iterator i = trampolines.begin(); i != trampolines.end(); ++i)
 609   {
 610     if (rectcollision((*i)->base, player->base))
 611     {
 612       if (player->previous_base.y < player->base.y &&
 613           player->previous_base.y + player->previous_base.height
 614           < (*i)->base.y + (*i)->base.height/2)
 615       {
 616         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 617       }
 618       else if (player->previous_base.y <= player->base.y)
 619       {
 620         player->collision(*i, CO_TRAMPOLINE);
 621         (*i)->collision(player, CO_PLAYER, COLLISION_NORMAL);
 622       }
 623     }
 624   }
 625
 626   // CO_FLYING_PLATFORM & (CO_PLAYER or CO_BADGUY)
 627   for (FlyingPlatforms::iterator i = flying_platforms.begin(); i != flying_platforms.end(); ++i)
 628   {
 629     if (rectcollision((*i)->base, player->base))
 630     {
 631       if (player->previous_base.y < player->base.y &&
 632           player->previous_base.y + player->previous_base.height
 633           < (*i)->base.y + (*i)->base.height/2)
 634       {
 635         (*i)->collision(player, CO_PLAYER, COLLISION_SQUISH);
 636         player->collision(*i, CO_FLYING_PLATFORM);
 637       }
 638 /*      else if (player->previous_base.y <= player->base.y)
 639       {
 640       }*/
 641     }
 642   }
 643 }
 644
 645 void
 646 Sector::add_score(const Vector& pos, int s)
 647 {
 648   player_status.score += s;
 649
 650   add_object(new FloatingScore(pos, s));
 651 }
 652
 653 void
 654 Sector::add_bouncy_distro(const Vector& pos)
 655 {
 656   add_object(new BouncyDistro(pos));
 657 }
 658
 659 void
 660 Sector::add_broken_brick(const Vector& pos, Tile* tile)
 661 {
 662   add_broken_brick_piece(pos, Vector(-1, -4), tile);
 663   add_broken_brick_piece(pos + Vector(0, 16), Vector(-1.5, -3), tile);
 664
 665   add_broken_brick_piece(pos + Vector(16, 0), Vector(1, -4), tile);
 666   add_broken_brick_piece(pos + Vector(16, 16), Vector(1.5, -3), tile);
 667 }
 668
 669 void
 670 Sector::add_broken_brick_piece(const Vector& pos, const Vector& movement,
 671     Tile* tile)
 672 {
 673   add_object(new BrokenBrick(tile, pos, movement));
 674 }
 675
 676 void
 677 Sector::add_bouncy_brick(const Vector& pos)
 678 {
 679   add_object(new BouncyBrick(pos));
 680 }
 681
 682 BadGuy*
 683 Sector::add_bad_guy(float x, float y, BadGuyKind kind)
 684 {
 685   BadGuy* badguy = new BadGuy(kind, x, y);
 686   add_object(badguy);
 687   return badguy;
 688 }
 689
 690 void
 691 Sector::add_upgrade(const Vector& pos, Direction dir, UpgradeKind kind)
 692 {
 693   add_object(new Upgrade(pos, dir, kind));
 694 }
 695
 696 bool
 697 Sector::add_bullet(const Vector& pos, float xm, Direction dir)
 698 {
 699   if(player->got_power == Player::FIRE_POWER)
 700     {
 701     if(bullets.size() > MAX_FIRE_BULLETS-1)
 702       return false;
 703     }
 704   else if(player->got_power == Player::ICE_POWER)
 705     {
 706     if(bullets.size() > MAX_ICE_BULLETS-1)
 707       return false;
 708     }
 709
 710   Bullet* new_bullet = 0;
 711   if(player->got_power == Player::FIRE_POWER)
 712     new_bullet = new Bullet(pos, xm, dir, FIRE_BULLET);
 713   else if(player->got_power == Player::ICE_POWER)
 714     new_bullet = new Bullet(pos, xm, dir, ICE_BULLET);
 715   else
 716     throw std::runtime_error("wrong bullet type.");
 717   add_object(new_bullet);
 718
 719   SoundManager::get()->play_sound(IDToSound(SND_SHOOT));
 720
 721   return true;
 722 }
 723
 724 bool
 725 Sector::add_smoke_cloud(const Vector& pos)
 726 {
 727   add_object(new SmokeCloud(pos));
 728   return true;
 729 }
 730
 731 /* Break a brick: */
 732 bool
 733 Sector::trybreakbrick(const Vector& pos, bool small)
 734 {
 735   Tile* tile = solids->get_tile_at(pos);
 736   if (!tile)
 737   {
 738     char errmsg[64];
 739     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 740     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 741   }
 742
 743   if (tile->attributes & Tile::BRICK)
 744     {
 745       if (tile->data > 0)
 746         {
 747           /* Get a distro from it: */
 748           add_bouncy_distro(
 749               Vector(((int)(pos.x + 1) / 32) * 32, (int)(pos.y / 32) * 32));
 750
 751           // TODO: don't handle this in a global way but per-tile...
 752           if (!counting_distros)
 753             {
 754               counting_distros = true;
 755               distro_counter = 5;
 756             }
 757           else
 758             {
 759               distro_counter--;
 760             }
 761
 762           if (distro_counter <= 0)
 763             {
 764               counting_distros = false;
 765               solids->change_at(pos, tile->next_tile);
 766             }
 767
 768           SoundManager::get()->play_sound(IDToSound(SND_DISTRO));
 769           player_status.score = player_status.score + SCORE_DISTRO;
 770           player_status.distros++;
 771           return true;
 772         }
 773       else if (!small)
 774         {
 775           /* Get rid of it: */
 776           solids->change_at(pos, tile->next_tile);
 777
 778           /* Replace it with broken bits: */
 779           add_broken_brick(Vector(
 780                                  ((int)(pos.x + 1) / 32) * 32,
 781                                  (int)(pos.y / 32) * 32), tile);
 782
 783           /* Get some score: */
 784           SoundManager::get()->play_sound(IDToSound(SND_BRICK));
 785           player_status.score = player_status.score + SCORE_BRICK;
 786
 787           return true;
 788         }
 789     }
 790
 791   return false;
 792 }
 793
 794 /* Empty a box: */
 795 void
 796 Sector::tryemptybox(const Vector& pos, Direction col_side)
 797 {
 798   Tile* tile = solids->get_tile_at(pos);
 799   if (!tile)
 800   {
 801     char errmsg[64];
 802     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 803     throw SuperTuxException(errmsg, __FILE__, __LINE__);
 804   }
 805
 806
 807   if (!(tile->attributes & Tile::FULLBOX))
 808     return;
 809
 810   // according to the collision side, set the upgrade direction
 811   if(col_side == LEFT)
 812     col_side = RIGHT;
 813   else
 814     col_side = LEFT;
 815
 816   int posx = ((int)(pos.x+1) / 32) * 32;
 817   int posy = (int)(pos.y/32) * 32 - 32;
 818   switch(tile->data)
 819     {
 820     case 1: // Box with a distro!
 821       add_bouncy_distro(Vector(posx, posy));
 822       SoundManager::get()->play_sound(IDToSound(SND_DISTRO));
 823       player_status.score = player_status.score + SCORE_DISTRO;
 824       player_status.distros++;
 825       break;
 826
 827     case 2: // Add a fire flower upgrade!
 828       if (player->size == SMALL)     /* Tux is small, add mints! */
 829         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 830       else     /* Tux is big, add a fireflower: */
 831         add_upgrade(Vector(posx, posy), col_side, UPGRADE_FIREFLOWER);
 832       SoundManager::get()->play_sound(IDToSound(SND_UPGRADE));
 833       break;
 834
 835     case 5: // Add an ice flower upgrade!
 836       if (player->size == SMALL)     /* Tux is small, add mints! */
 837         add_upgrade(Vector(posx, posy), col_side, UPGRADE_GROWUP);
 838       else     /* Tux is big, add an iceflower: */
 839         add_upgrade(Vector(posx, posy), col_side, UPGRADE_ICEFLOWER);
 840       SoundManager::get()->play_sound(IDToSound(SND_UPGRADE));
 841       break;
 842
 843     case 3: // Add a golden herring
 844       add_upgrade(Vector(posx, posy), col_side, UPGRADE_STAR);
 845       break;
 846
 847     case 4: // Add a 1up extra
 848       add_upgrade(Vector(posx, posy), col_side, UPGRADE_1UP);
 849       break;
 850     default:
 851       break;
 852     }
 853
 854   /* Empty the box: */
 855   solids->change_at(pos, tile->next_tile);
 856 }
 857
 858 /* Try to grab a distro: */
 859 void
 860 Sector::trygrabdistro(const Vector& pos, int bounciness)
 861 {
 862   Tile* tile = solids->get_tile_at(pos);
 863   if (!tile)
 864   {
 865     /*char errmsg[64];
 866     sprintf(errmsg, "Invalid tile at %i,%i", (int)((pos.x+1)/32*32), (int)((pos.y+1)/32*32));
 867     throw SuperTuxException(errmsg, __FILE__, __LINE__); */
 868
 869     //Bad tiles (i.e. tiles that are not defined in supertux.stgt but appear in the map) are changed to ID 0 (blank tile)
 870     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;
 871     solids->change_at(pos,0);
 872     tile = solids->get_tile_at(pos);
 873   }
 874
 875
 876   if (!(tile->attributes & Tile::COIN))
 877     return;
 878
 879   solids->change_at(pos, tile->next_tile);
 880   SoundManager::get()->play_sound(IDToSound(SND_DISTRO));
 881
 882   if (bounciness == BOUNCE)
 883     {
 884       add_bouncy_distro(Vector(((int)(pos.x + 1) / 32) * 32,
 885                               (int)(pos.y / 32) * 32));
 886     }
 887
 888   player_status.score = player_status.score + SCORE_DISTRO;
 889   player_status.distros++;
 890
 891 }
 892
 893 /* Try to bump a bad guy from below: */
 894 void
 895 Sector::trybumpbadguy(const Vector& pos)
 896 {
 897   // Bad guys:
 898   for (BadGuys::iterator i = badguys.begin(); i != badguys.end(); ++i)
 899     {
 900       if ((*i)->base.x >= pos.x - 32 && (*i)->base.x <= pos.x + 32 &&
 901           (*i)->base.y >= pos.y - 16 && (*i)->base.y <= pos.y + 16)
 902         {
 903           (*i)->collision(player, CO_PLAYER, COLLISION_BUMP);
 904         }
 905     }
 906
 907   // Upgrades:
 908   for (unsigned int i = 0; i < upgrades.size(); i++)
 909     {
 910       if (upgrades[i]->base.height == 32 &&
 911           upgrades[i]->base.x >= pos.x - 32 && upgrades[i]->base.x <= pos.x + 32 &&
 912           upgrades[i]->base.y >= pos.y - 16 && upgrades[i]->base.y <= pos.y + 16)
 913         {
 914           upgrades[i]->collision(player, CO_PLAYER, COLLISION_BUMP);
 915         }
 916     }
 917 }
 918
 919 void
 920 Sector::load_music()
 921 {
 922   char* song_path;
 923   char* song_subtitle;
 924
 925   level_song = SoundManager::get()->load_music(datadir + "/music/" + song_title);
 926
 927   song_path = (char *) malloc(sizeof(char) * datadir.length() +
 928                               strlen(song_title.c_str()) + 8 + 5);
 929   song_subtitle = strdup(song_title.c_str());
 930   strcpy(strstr(song_subtitle, "."), "\0");
 931   sprintf(song_path, "%s/music/%s-fast%s", datadir.c_str(),
 932           song_subtitle, strstr(song_title.c_str(), "."));
 933   if(!SoundManager::get()->exists_music(song_path)) {
 934     level_song_fast = level_song;
 935   } else {
 936     level_song_fast = SoundManager::get()->load_music(song_path);
 937   }
 938   free(song_subtitle);
 939   free(song_path);
 940 }
 941
 942 void
 943 Sector::play_music(int type)
 944 {
 945   currentmusic = type;
 946   switch(currentmusic) {
 947     case HURRYUP_MUSIC:
 948       SoundManager::get()->play_music(level_song_fast);
 949       break;
 950     case LEVEL_MUSIC:
 951       SoundManager::get()->play_music(level_song);
 952       break;
 953     case HERRING_MUSIC:
 954       SoundManager::get()->play_music(herring_song);
 955       break;
 956     default:
 957       SoundManager::get()->halt_music();
 958       break;
 959   }
 960 }
 961
 962 int
 963 Sector::get_music_type()
 964 {
 965   return currentmusic;
 966 }