package code.kalter.longflight.game.explosion;

import code.kalter.longflight.Animation;
import code.kalter.longflight.Loader;
import java.io.IOException;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

/**
 * Не приблежаться, рванёт!
 *
 * @author KalterFive
 */
public class Explosion implements Detonator {

    public static Explosion createExplosion(String path) throws IOException {
        final Loader loader = Loader.getInstance();
        final Image image = loader.getImage(path);
        return createExplosion(image);
    }

    public static Explosion createExplosion(Image image) {
        return new Explosion(image);
    }

    private static final int MAX = 5;
    private final Animation[] boom;
    private final int[] positionX;
    private final int[] positionY;

    // каждый кадр должен быть квадратным
    private Explosion(Image explosion) {
        boom = new Animation[MAX];
        positionX = new int[MAX];
        positionY = new int[MAX];
        for (int i = 0; i < MAX; i++) {
            boom[i] = Animation.createAnimation(explosion,
                    explosion.getHeight(), 80);
        }
    }

    public void deactivateAll() {
        for (int i = 0; i < boom.length; i++) {
            boom[i].stop();
        }
    }

    public void activate(int x, int y) {
        for (int i = 0; i < boom.length; i++) {
            if (!boom[i].getState()) {
                boom[i].start();
                this.positionX[i] = x;
                this.positionY[i] = y;
                break;
            }
        }
    }

    public void paint(Graphics graphics) {
        for (int i = 0; i < boom.length; i++) {
            boom[i].paint(graphics, positionX[i], positionY[i]);
        }
    }

    public void update() {
        for (int i = 0; i < boom.length; i++) {
            boom[i].next();
        }
    }
}