src/object/block.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux
   4 //  Copyright (C) 2006 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 <config.h>
  21
  22 #include "block.hpp"
  23 #include "log.hpp"
  24
  25 #include <stdexcept>
  26
  27 #include "resources.hpp"
  28 #include "player.hpp"
  29 #include "sector.hpp"
  30 #include "sprite/sprite.hpp"
  31 #include "sprite/sprite_manager.hpp"
  32 #include "video/drawing_context.hpp"
  33 #include "lisp/lisp.hpp"
  34 #include "gameobjs.hpp"
  35 #include "portable.hpp"
  36 #include "specialriser.hpp"
  37 #include "growup.hpp"
  38 #include "flower.hpp"
  39 #include "oneup.hpp"
  40 #include "star.hpp"
  41 #include "player_status.hpp"
  42 #include "badguy/badguy.hpp"
  43 #include "coin.hpp"
  44 #include "object_factory.hpp"
  45 #include "lisp/list_iterator.hpp"
  46 #include "object_factory.hpp"
  47 #include "level.hpp"
  48
  49 static const float BOUNCY_BRICK_MAX_OFFSET = 8;
  50 static const float BOUNCY_BRICK_SPEED = 90;
  51 static const float EPSILON = .0001f;
  52 static const float BUMP_ROTATION_ANGLE = 10;
  53
  54 Block::Block(Sprite* newsprite)
  55   : sprite(newsprite), bouncing(false), breaking(false), bounce_dir(0), bounce_offset(0), original_y(-1)
  56 {
  57   bbox.set_size(32, 32.1f);
  58   set_group(COLGROUP_STATIC);
  59   sound_manager->preload("sounds/upgrade.wav");
  60   sound_manager->preload("sounds/brick.wav");
  61 }
  62
  63 Block::~Block()
  64 {
  65   delete sprite;
  66 }
  67
  68 HitResponse
  69 Block::collision(GameObject& other, const CollisionHit& )
  70 {
  71   Player* player = dynamic_cast<Player*> (&other);
  72   if(player) {
  73     if(player->get_bbox().get_top() > get_bbox().get_bottom() - 7.0) {
  74       hit(*player);
  75     }
  76   }
  77
  78   // only interact with other objects if...
  79   //   1) we are bouncing
  80   // and
  81   //   2) the object is not portable (either never or not currently)
  82   Portable* portable = dynamic_cast<Portable*> (&other);
  83   if(bouncing && (portable == 0 || (!portable->is_portable()))) {
  84
  85     // Badguys get killed
  86     BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
  87     if(badguy) {
  88       badguy->kill_fall();
  89     }
  90
  91     // Coins get collected
  92     Coin* coin = dynamic_cast<Coin*> (&other);
  93     if(coin) {
  94       coin->collect();
  95     }
  96
  97   }
  98
  99   return SOLID;
 100 }
 101
 102 void
 103 Block::update(float elapsed_time)
 104 {
 105   if(!bouncing)
 106     return;
 107
 108   float offset = original_y - get_pos().y;
 109   if(offset > BOUNCY_BRICK_MAX_OFFSET) {
 110     bounce_dir = BOUNCY_BRICK_SPEED;
 111     movement = Vector(0, bounce_dir * elapsed_time);
 112     if(breaking){
 113       break_me();
 114     }
 115   } else if(offset < BOUNCY_BRICK_SPEED * elapsed_time && bounce_dir > 0) {
 116     movement = Vector(0, offset);
 117     bounce_dir = 0;
 118     bouncing = false;
 119     sprite->set_angle(0);
 120   } else {
 121     movement = Vector(0, bounce_dir * elapsed_time);
 122   }
 123 }
 124
 125 void
 126 Block::draw(DrawingContext& context)
 127 {
 128   sprite->draw(context, get_pos(), LAYER_OBJECTS+1);
 129 }
 130
 131 void
 132 Block::start_bounce(float center_of_hitter)
 133 {
 134   if(original_y == -1){
 135     original_y = bbox.p1.y;
 136   }
 137   bouncing = true;
 138   bounce_dir = -BOUNCY_BRICK_SPEED;
 139   bounce_offset = 0;
 140
 141   float offset = (get_bbox().get_middle().x - center_of_hitter)*2 / get_bbox().get_width();
 142   sprite->set_angle(BUMP_ROTATION_ANGLE*offset);
 143 }
 144
 145 void
 146 Block::start_break(float center_of_hitter)
 147 {
 148   start_bounce(center_of_hitter);
 149   breaking = true;
 150 }
 151
 152 //---------------------------------------------------------------------------
 153
 154 BonusBlock::BonusBlock(const Vector& pos, int data)
 155   : Block(sprite_manager->create("images/objects/bonus_block/bonusblock.sprite")), object(0)
 156 {
 157   bbox.set_pos(pos);
 158   sprite->set_action("normal");
 159   switch(data) {
 160     case 1: contents = CONTENT_COIN; break;
 161     case 2: contents = CONTENT_FIREGROW; break;
 162     case 3: contents = CONTENT_STAR; break;
 163     case 4: contents = CONTENT_1UP; break;
 164     case 5: contents = CONTENT_ICEGROW; break;
 165     default:
 166       log_warning << "Invalid box contents" << std::endl;
 167       contents = CONTENT_COIN;
 168       break;
 169   }
 170 }
 171
 172 BonusBlock::BonusBlock(const lisp::Lisp& lisp)
 173   : Block(sprite_manager->create("images/objects/bonus_block/bonusblock.sprite"))
 174 {
 175   Vector pos;
 176
 177   contents = CONTENT_COIN;
 178   lisp::ListIterator iter(&lisp);
 179   while(iter.next()) {
 180     const std::string& token = iter.item();
 181     if(token == "x") {
 182       iter.value()->get(pos.x);
 183     } else if(token == "y") {
 184       iter.value()->get(pos.y);
 185     } else if(token == "contents") {
 186       std::string contentstring;
 187       iter.value()->get(contentstring);
 188       if(contentstring == "coin") {
 189         contents = CONTENT_COIN;
 190       } else if(contentstring == "firegrow") {
 191         contents = CONTENT_FIREGROW;
 192       } else if(contentstring == "icegrow") {
 193         contents = CONTENT_ICEGROW;
 194       } else if(contentstring == "star") {
 195         contents = CONTENT_STAR;
 196       } else if(contentstring == "1up") {
 197         contents = CONTENT_1UP;
 198       } else if(contentstring == "custom") {
 199         contents = CONTENT_CUSTOM;
 200       } else {
 201         log_warning << "Invalid box contents '" << contentstring << "'" << std::endl;
 202       }
 203     } else {
 204       if(contents == CONTENT_CUSTOM) {
 205         GameObject* game_object = create_object(token, *(iter.lisp()));
 206         object = dynamic_cast<MovingObject*> (game_object);
 207         if(object == 0)
 208           throw std::runtime_error(
 209             "Only MovingObjects are allowed inside BonusBlocks");
 210       } else {
 211         log_warning << "Invalid element '" << token << "' in bonusblock" << std::endl;
 212       }
 213     }
 214   }
 215
 216   if(contents == CONTENT_CUSTOM && object == 0)
 217     throw std::runtime_error("Need to specify content object for custom block");
 218
 219   bbox.set_pos(pos);
 220 }
 221
 222 BonusBlock::~BonusBlock()
 223 {
 224   delete object;
 225 }
 226
 227 void
 228 BonusBlock::hit(Player& )
 229 {
 230   try_open();
 231 }
 232
 233 HitResponse
 234 BonusBlock::collision(GameObject& other, const CollisionHit& hit){
 235     BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
 236     if(badguy) {
 237       // hit contains no information for collisions with blocks.
 238       // Badguy's bottom has to be below the top of the bonusblock
 239       // +7 is required to slide over one tile gaps.
 240       if( badguy->can_break() && ( badguy->get_bbox().get_bottom() > get_bbox().get_top() + 7.0) ){
 241         try_open();
 242       }
 243     }
 244     Portable* portable = dynamic_cast<Portable*> (&other);
 245     if(portable) {
 246       MovingObject* moving = dynamic_cast<MovingObject*> (&other);
 247       if(moving->get_bbox().get_top() > get_bbox().get_bottom() - 7.0) {
 248         try_open();
 249       }
 250     }
 251     return Block::collision(other, hit);
 252 }
 253
 254 void
 255 BonusBlock::try_open()
 256 {
 257   if(sprite->get_action() == "empty") {
 258     sound_manager->play("sounds/brick.wav");
 259     return;
 260   }
 261
 262   Sector* sector = Sector::current();
 263   assert(sector);
 264   assert(sector->player);
 265   Player& player = *(sector->player);
 266   Direction direction = (player.get_bbox().get_middle().x > get_bbox().get_middle().x) ? LEFT : RIGHT;
 267
 268   switch(contents) {
 269     case CONTENT_COIN:
 270       Sector::current()->add_object(new BouncyCoin(get_pos(), true));
 271       player.get_status()->add_coins(1);
 272       Sector::current()->get_level()->stats.coins++;
 273       break;
 274
 275     case CONTENT_FIREGROW:
 276       if(player.get_status()->bonus == NO_BONUS) {
 277         SpecialRiser* riser = new SpecialRiser(get_pos(), new GrowUp(direction));
 278         sector->add_object(riser);
 279       } else {
 280         SpecialRiser* riser = new SpecialRiser(
 281             get_pos(), new Flower(FIRE_BONUS));
 282         sector->add_object(riser);
 283       }
 284       sound_manager->play("sounds/upgrade.wav");
 285       break;
 286
 287     case CONTENT_ICEGROW:
 288       if(player.get_status()->bonus == NO_BONUS) {
 289         SpecialRiser* riser = new SpecialRiser(get_pos(), new GrowUp(direction));
 290         sector->add_object(riser);
 291       } else {
 292         SpecialRiser* riser = new SpecialRiser(
 293             get_pos(), new Flower(ICE_BONUS));
 294         sector->add_object(riser);
 295       }
 296       sound_manager->play("sounds/upgrade.wav");
 297       break;
 298
 299     case CONTENT_STAR:
 300       sector->add_object(new Star(get_pos() + Vector(0, -32), direction));
 301       break;
 302
 303     case CONTENT_1UP:
 304       sector->add_object(new OneUp(get_pos(), direction));
 305       break;
 306
 307     case CONTENT_CUSTOM:
 308       SpecialRiser* riser = new SpecialRiser(get_pos(), object);
 309       object = 0;
 310       sector->add_object(riser);
 311       sound_manager->play("sounds/upgrade.wav");
 312       break;
 313   }
 314
 315   start_bounce(player.get_bbox().get_middle().x);
 316   sprite->set_action("empty");
 317 }
 318
 319 void
 320 Block::break_me()
 321 {
 322   Sector* sector = Sector::current();
 323   sector->add_object(
 324       new BrokenBrick(new Sprite(*sprite), get_pos(), Vector(-100, -400)));
 325   sector->add_object(
 326       new BrokenBrick(new Sprite(*sprite), get_pos() + Vector(0, 16),
 327         Vector(-150, -300)));
 328   sector->add_object(
 329       new BrokenBrick(new Sprite(*sprite), get_pos() + Vector(16, 0),
 330         Vector(100, -400)));
 331   sector->add_object(
 332       new BrokenBrick(new Sprite(*sprite), get_pos() + Vector(16, 16),
 333         Vector(150, -300)));
 334   remove_me();
 335 }
 336
 337 IMPLEMENT_FACTORY(BonusBlock, "bonusblock");
 338
 339 //---------------------------------------------------------------------------
 340
 341 Brick::Brick(const Vector& pos, int data)
 342   : Block(sprite_manager->create("images/objects/bonus_block/brick.sprite")), breakable(false),
 343     coin_counter(0)
 344 {
 345   bbox.set_pos(pos);
 346   if(data == 1)
 347     coin_counter = 5;
 348   else
 349     breakable = true;
 350 }
 351
 352 void
 353 Brick::hit(Player& player)
 354 {
 355   if(sprite->get_action() == "empty")
 356     return;
 357
 358   try_break(&player);
 359 }
 360
 361 HitResponse
 362 Brick::collision(GameObject& other, const CollisionHit& hit){
 363
 364     Player* player = dynamic_cast<Player*> (&other);
 365     if (player) {
 366       if (player->does_buttjump) try_break();
 367     }
 368
 369     BadGuy* badguy = dynamic_cast<BadGuy*> (&other);
 370     if(badguy) {
 371       // hit contains no information for collisions with blocks.
 372       // Badguy's bottom has to be below the top of the brick
 373       // +7 is required to slide over one tile gaps.
 374       if( badguy->can_break() && ( badguy->get_bbox().get_bottom() > get_bbox().get_top() + 7.0 ) ){
 375         try_break();
 376       }
 377     }
 378     Portable* portable = dynamic_cast<Portable*> (&other);
 379     if(portable) {
 380       MovingObject* moving = dynamic_cast<MovingObject*> (&other);
 381       if(moving->get_bbox().get_top() > get_bbox().get_bottom() - 7.0) {
 382         try_break();
 383       }
 384     }
 385    return Block::collision(other, hit);
 386 }
 387
 388 void
 389 Brick::try_break(Player* player)
 390 {
 391   if(sprite->get_action() == "empty")
 392     return;
 393
 394   sound_manager->play("sounds/brick.wav");
 395   Sector* sector = Sector::current();
 396   Player& player_one = *(sector->player);
 397   if(coin_counter > 0) {
 398     sector->add_object(new BouncyCoin(get_pos(),true));
 399     coin_counter--;
 400     player_one.get_status()->add_coins(1);
 401     if(coin_counter == 0)
 402       sprite->set_action("empty");
 403     start_bounce(player->get_bbox().get_middle().x);
 404   } else if(breakable) {
 405     if(player){
 406       if(player->is_big()){
 407         start_break(player->get_bbox().get_middle().x);
 408         return;
 409       } else {
 410         start_bounce(player->get_bbox().get_middle().x);
 411         return;
 412       }
 413     }
 414    break_me();
 415   }
 416 }
 417
 418 //IMPLEMENT_FACTORY(Brick, "brick");