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