kbreakout/src/gift.cpp

   1 /*
   2     Copyright 2008 Fela Winkelmolen <fela.kde@gmail.com>
   3
   4     This program is free software: you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation, either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #include "gift.h"
  19
  20 #include "gameengine.h"
  21 #include "brick.h"
  22 #include "ball.h"
  23
  24 #include <KDebug>
  25 #include <cmath>
  26
  27 Gift::Gift(const QString &type)
  28 {
  29     width = GIFT_WIDTH;
  30     height = GIFT_HEIGHT;
  31     setType(type);
  32
  33     int sp = qrand() % (MAXIMUM_GIFT_SPEED - MINIMUM_GIFT_SPEED + 1);
  34     m_speedFactor = MINIMUM_GIFT_SPEED + sp;
  35     m_speed = 0;
  36 }
  37
  38 void Gift::move(qreal speed, int updateInterval)
  39 {
  40     for (int i = 0; i < updateInterval; ++i) {
  41         step(speed);
  42     }
  43 }
  44
  45 void Gift::step(qreal speed)
  46 {
  47     const qreal linearIncreaseFactor = 0.00008 * speed;
  48     const qreal exponentialIncreaseFactor = 0.002;
  49     m_speed += m_speedFactor * linearIncreaseFactor;
  50     m_speed += m_speed * exponentialIncreaseFactor;
  51
  52     moveBy( 0, m_speed);
  53 }
  54
  55 void Gift::startFall(int x, int y)
  56 {
  57
  58     moveTo(x, y);
  59     repaint();
  60     show();
  61 }
  62
  63 void Gift::execute(GameEngine *gameEngine)
  64 {
  65     m_game = gameEngine;
  66     m_game->addScore(GIFT_SCORE);
  67
  68     if (type() == "Gift100Points") {
  69         m_game->addScore(100 - GIFT_SCORE);
  70     }
  71     else if (type() == "Gift200Points") {
  72         m_game->addScore(200 - GIFT_SCORE);
  73     }
  74     else if (type() == "Gift500Points") {
  75         m_game->addScore(500 - GIFT_SCORE);
  76     }
  77     else if (type() == "Gift1000Points") {
  78         m_game->addScore(1000 - GIFT_SCORE);
  79     }
  80     else if (type() == "GiftAddLife") {
  81         if (m_game->m_lives.count() < MAXIMUM_LIVES) {
  82             m_game->m_lives.append(new Life);
  83         }
  84     }
  85     else if (type() == "GiftLoseLife") {
  86         m_game->handleDeath();
  87     }
  88     else if (type() == "GiftNextLevel") {
  89         giftNextLevel();
  90     }
  91     else if (type() == "GiftMagicEye") {
  92         giftMagicEye();
  93     }
  94     else if (type() == "GiftMagicWand") {
  95         giftMagicWand();
  96     }
  97     else if (type() == "GiftSplitBall") {
  98         giftSplitBall();
  99     }
 100     else if (type() == "GiftAddBall") {
 101         m_game->m_balls.append(new Ball);
 102     }
 103     else if (type() == "GiftUnstoppableBall") {
 104         giftUnstoppableBall();
 105     }
 106     else if (type() == "GiftBurningBall") {
 107         giftBurningBall();
 108     }
 109     else if (type() == "GiftDecreaseSpeed") {
 110         m_game->changeSpeed(1.0/CHANGE_SPEED_RATIO);
 111     }
 112     else if (type() == "GiftIncreaseSpeed") {
 113         m_game->changeSpeed(CHANGE_SPEED_RATIO);
 114     }
 115     else if (type() == "GiftEnlargeBar") {
 116         Bar *bar = &m_game->m_bar;
 117         bar->enlarge();
 118         m_game->moveBar(bar->position().x() + bar->getRect().width()/2);
 119     }
 120     else if (type() == "GiftShrinkBar") {
 121         m_game->m_bar.shrink();
 122     }
 123     else if (type() == "GiftStickyBar") {
 124         m_game->m_bar.setType("StickyBar");
 125     }
 126     else if (type() == "GiftMoreExplosion") {
 127         giftMoreExplosion();
 128     }
 129     else {
 130         kError() << "Unrecognized gift type!!!";
 131     }
 132 }
 133
 134 void Gift::giftNextLevel()
 135 {
 136     m_game->loadNextLevel();
 137 }
 138
 139 void Gift::giftMagicEye()
 140 {
 141     // make all hidden bricks visible
 142     foreach (Brick *brick, m_game->m_bricks) {
 143         if (!brick->isDeleted() && !brick->isVisible()) {
 144             brick->show();
 145             ++m_game->m_remainingBricks;
 146         }
 147     }
 148 }
 149
 150 void Gift::giftMagicWand()
 151 {
 152     foreach (Brick *brick, m_game->m_bricks) {
 153         // make Unbreakbable Bricks Breakable
 154         if (!brick->isDeleted() && brick->type() == "UnbreakableBrick") {
 155             brick->setType("BreakableBrick");
 156             ++m_game->m_remainingBricks;
 157             kDebug() << m_game->m_remainingBricks;
 158         }
 159
 160         // Make Multiple Bricks single
 161         if (brick->type() == "MultipleBrick3") {
 162             brick->setType("MultipleBrick1");
 163             m_game->addScore(AUTOBRICK_SCORE * 2);
 164         }
 165         if (brick->type() == "MultipleBrick2") {
 166             brick->setType("MultipleBrick1");
 167             m_game->addScore(AUTOBRICK_SCORE);
 168         }
 169     }
 170 }
 171
 172 void Gift::giftSplitBall()
 173 {
 174     // TODO: better copy (type, speed, etc...)
 175     QList<Ball *> newBalls;
 176     foreach (Ball *ball, m_game->m_balls) {
 177         Ball *newBall = new Ball;
 178         // give it a nice direction...
 179         newBall->directionX = ball->directionX;
 180         newBall->directionY = ball->directionY;
 181         if (ball->directionY > 0)
 182             newBall->directionY *= -1;
 183         else
 184             newBall->directionX *= -1;
 185
 186         newBall->toBeFired = ball->toBeFired;
 187         newBall->setType(ball->type());
 188         newBall->moveTo(ball->position());
 189         newBalls.append(newBall);
 190     }
 191     m_game->m_balls += newBalls;
 192 }
 193
 194 void Gift::giftUnstoppableBall()
 195 {
 196     foreach (Ball *ball, m_game->m_balls) {
 197         if (ball->type() == "BurningBall") {
 198             ball->setType("UnstoppableBurningBall");
 199         } else if (ball->type() != "UnstoppableBurningBall") {
 200             ball->setType("UnstoppableBall");
 201         }
 202     }
 203 }
 204
 205 void Gift::giftBurningBall()
 206 {
 207     foreach (Ball *ball, m_game->m_balls) {
 208         if (ball->type() == "UnstoppableBall") {
 209             ball->setType("UnstoppableBurningBall");
 210         } else if (ball->type() != "UnstoppableBurningBall") {
 211             ball->setType("BurningBall");
 212         }
 213     }
 214 }
 215
 216 void Gift::giftMoreExplosion()
 217 {
 218     QList<Brick *> explodingBricks;
 219     foreach (Brick *brick, m_game->m_bricks) {
 220         if (!brick->isDeleted() && brick->type() == "ExplodingBrick") {
 221             explodingBricks.append(brick);
 222         }
 223     }
 224
 225     foreach (Brick *brick, explodingBricks) {
 226         foreach (Brick *nearbyBrick, brick->nearbyBricks()) {
 227             if (nearbyBrick->type() == "UnbreakableBrick") {
 228                 ++m_game->m_remainingBricks;
 229             }
 230             if (nearbyBrick->type() == "HiddenBrick" &&
 231                     !nearbyBrick->isVisible()) {
 232                 nearbyBrick->show();
 233                 ++m_game->m_remainingBricks;
 234             }
 235
 236             nearbyBrick->setType("ExplodingBrick");
 237         }
 238     }
 239 }