Space Invaders

The classic game Space Invaders, without GUI.

SpaceInvaders/src/tp/p2/game/GameObjects/DestroyerAlien.java

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+package tp.p2.game.GameObjects;
+
+import tp.p2.game.FileContentsVerifier;
+import tp.p2.game.Game;
+import tp.p2.game.GameObjects.Interfaces.IExecuteRandomActions;
+
+/**
+ * @author Fernando M<>ndez Torrubiano
+ *
+ */
+
+public class DestroyerAlien extends AlienShip implements IExecuteRandomActions{
+	//Atributos:
+	private Bomb bomb;
+	private String letra;
+	
+	//Constructor:
+	public DestroyerAlien(Game game, int fila, int col, int live) {
+		super(game, fila, col, live);
+		this.bomb = null;
+		this.letra = "D";
+		numAliens++;
+	}
+	
+	public DestroyerAlien() {
+		super(null, 0, 0, 1);
+		this.bomb = null;
+		this.letra = "D";
+		numAliens++;
+	}
+
+	//M<>todos:
+	public void deleteBomb() {
+		this.bomb = null;
+	}
+	
+	public boolean getBomb() {
+		return this.bomb != null ? true : false;
+	}
+
+	@Override
+	public void computerAction() {
+		if(this.bomb == null && IExecuteRandomActions.canGenerateRandomBomb(game)) {
+			this.bomb = new Bomb(game, this.fila, this.columna, 1);
+			this.game.addObject(this.bomb);
+		}
+	}
+
+	@Override
+	public void onDelete() {
+		if(this.bomb != null && !this.bomb.isAlive) {
+			this.deleteBomb();
+		}
+		if(this.live <= 0) {
+			this.isAlive = false;
+			numAliens--;
+			this.game.receivePoints(10);
+			if(numAliens == 0) { allDead = true; }
+		}
+	}
+	
+	@Override
+	public String toString() {
+		return this.letra + "[" + this.live + "]";
+	}
+
+	@Override
+	public String serializer() {
+		return "D;"
+				+ this.fila + ","
+				+ this.columna + ";"
+				+ this.live + ";"
+				//+ this.getBomb() + ";"
+				+ this.game.getRestCycles() + ";"
+				+ this.direction;
+	}
+
+	@Override
+	public GameObject parse(String stringFromFile, Game game2, FileContentsVerifier verifier) {
+		String[] words = stringFromFile.split(FileContentsVerifier.separator1);
+		String[] coords = words[1].split(FileContentsVerifier.separator2);
+		return verifier.verifyDestroyerShipString(stringFromFile, game2, 2) ? 
+				new DestroyerAlien(game2, Integer.parseInt(coords[0]), Integer.parseInt(coords[1]), Integer.parseInt(words[2])):null;
+	}
+
+}