ExplosionSprite.java

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// This file is part of MicropolisJ.
// Copyright (C) 2013 Jason Long
// Portions Copyright (C) 1989-2007 Electronic Arts Inc.
//
// MicropolisJ is free software; you can redistribute it and/or modify
// it under the terms of the GNU GPLv3, with additional terms.
// See the README file, included in this distribution, for details.

package micropolisj.engine;

import static micropolisj.engine.TileConstants.*;

public class ExplosionSprite extends Sprite {
        protected boolean sendReport;
        protected boolean playSound;

        public ExplosionSprite(Micropolis engine, int x, int y) {
                this(engine, x, y, true, false);
        }

        public ExplosionSprite(Micropolis engine, int x, int y, boolean sendReport, boolean playSound) {
                super(engine, SpriteKind.EXP);
                this.x = x;
                this.y = y;
                this.width = 48;
                this.height = 48;
                this.offx = -24;
                this.offy = -24;
                this.frame = 1;
                // custom
                this.sendReport = sendReport;
                this.playSound = playSound;
        }

        @Override
        public void moveImpl() {
                if(city.acycle % 2 == 0) {
                        if(this.frame == 1) {
                                if(playSound) {
                                        city.makeSound(x / 16, y / 16, Sound.EXPLOSION_HIGH);
                                }
                                if(sendReport) {
                                        city.sendMessageAt(MicropolisMessage.EXPLOSION_REPORT, x / 16, y / 16);
                                }
                        }
                        this.frame++;
                }

                if(this.frame > 6) {
                        this.frame = 0;

                        startFire(x / 16, y / 16);
                        startFire(x / 16 - 1, y / 16 - 1);
                        startFire(x / 16 + 1, y / 16 - 1);
                        startFire(x / 16 - 1, y / 16 + 1);
                        startFire(x / 16 + 1, y / 16 + 1);
                        return;
                }
        }

        void startFire(int xpos, int ypos) {
                if(!city.testBounds(xpos, ypos))
                        return;

                int t = city.getTile(xpos, ypos);
                if(!isCombustible(t) && t != DIRT)
                        return;
                if(isZoneCenter(t))
                        return;
                city.setTile(xpos, ypos, (char) (FIRE + city.PRNG.nextInt(4)));
        }
}