Space Invaders
The classic game Space Invaders, without GUI.
This commit is contained in:
Fernando Méndez
GitHub
265
SpaceInvaders/src/tp/p2/game/Game.java
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265
SpaceInvaders/src/tp/p2/game/Game.java
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package tp.p2.game;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.util.Random;
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import tp.p2.Level;
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import tp.p2.controller.Exceptions.CommandExecuteException;
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import tp.p2.controller.Exceptions.FileContentsException;
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import tp.p2.game.GameObjects.BoardInitializer;
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import tp.p2.game.GameObjects.GameObject;
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import tp.p2.game.GameObjects.Ovni;
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import tp.p2.game.GameObjects.AlienShip;
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import tp.p2.game.GameObjects.Shockwave;
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import tp.p2.game.GameObjects.SuperMissile;
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import tp.p2.game.GameObjects.UCMMissile;
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import tp.p2.game.GameObjects.UCMShip;
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import tp.p2.game.GameObjects.Interfaces.IPlayerController;
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import tp.p2.game.GameObjects.Lists.GameObjectBoard;
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/**
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* @author Fernando M<>ndez Torrubiano
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*
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*/
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public class Game implements IPlayerController{
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//Constantes:
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public final static int MAXFIL = 9;
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public final static int MAXCOL = 8;
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public final static int DAMAGE = 1;
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public final static int COSTSUPERMISSILE = 20;
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//Atributos
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private int currentCycle;
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private Random rand;
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private Level level;
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private int restCycles;
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GameObjectBoard board;
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private UCMShip player;
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private boolean doExit;
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private BoardInitializer initializer;
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//Constructor:
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public Game (Level level, Random random){
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this.rand = random;
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this.level = level;
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this.restCycles = this.level.getNumCyclesToMoveOneCell();
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initializer = new BoardInitializer();
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initGame();
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}
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public Game (Level level, int restCycles){
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this.rand = new Random(System.currentTimeMillis());
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this.level = level;
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this.restCycles = restCycles;
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this.currentCycle = restCycles;
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initializer = null;
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}
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//M<>todos:
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public void initGame () {
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currentCycle = 0;
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board = initializer.initialize(this, level);
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player = new UCMShip(this, MAXFIL - 1, MAXCOL / 2);
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board.add(player);
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}
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public Random getRandom() {
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return rand;
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}
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public Level getLevel() {
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return level;
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}
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public int getCurrentCycle() {
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return this.currentCycle;
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}
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public void reset() {
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initGame();
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}
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public void addObject(GameObject object) {
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board.add(object);
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}
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public String positionToString(int fila, int columna) {
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return board.toString(fila, columna);
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}
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public boolean isFinished() {
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return playerWin() || aliensWin() || doExit;
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}
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public boolean aliensWin() {
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return !player.isAlive() || AlienShip.haveLanded();
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}
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private boolean playerWin () {
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return AlienShip.allDead();
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}
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public void update() {
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board.computerAction();
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board.update();
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currentCycle += 1;
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if(this.restCycles == 0) {
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this.restCycles = this.level.getNumCyclesToMoveOneCell();
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}
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else {
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restCycles--;
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}
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}
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public boolean isOnBoard(int fila, int columna) {
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return MAXFIL > fila && MAXCOL > columna;
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}
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public void exit() {
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doExit = true;
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}
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public String infoToString() {
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return "Life: " + this.player.getLive() + "\n"
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+ "Number of cycles: " + this.currentCycle + "\n"
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+ "Points: " + this.player.getPoints() + "\n"
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+ "Remaining aliens: " + AlienShip.numAliens() + "\n"
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+ "ShockWave: " + this.player.getShockWave() + "\n"
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+ "Number of SuperMissiles: " + this.player.getNumSuperMissiles() + "\n";
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}
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public String toString() {
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//BoardPrinter gp = new BoardPrinter(MAXFIL, MAXCOL);
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//String tablero = this.infoToString() + gp.toString(this);
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//return tablero;
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return this.infoToString();
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}
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public String serialize() {
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return "--SPACE INVADERS v2.0--\n\n"
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+ "G;" + this.restCycles + "\n"
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+ "L;" + this.level + "\n"
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+ this.board.serialize() + "\n";
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}
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public String getWinnerMessage () {
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if (playerWin()) return "Player win!";
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else if (aliensWin()) return "Aliens win!";
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else if (doExit) return "Player exits the game";
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else return "This should not happen";
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}
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@Override
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public boolean move(String dir, int numCells) throws CommandExecuteException{
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boolean move = false;
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if(this.player.move(dir, numCells)) {
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move = true;
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}
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return move;
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}
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@Override
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public boolean shootLaser() {
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boolean shoot = false;
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if(this.player.getMisile()) {
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this.enableMissile();
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shoot = true;
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}
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return shoot;
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}
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@Override
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public boolean shockWave() {
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boolean sw = false;
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if(this.player.getShockWave()) {
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sw = true;
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this.board.swAttack();
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this.player.deleteSW();
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GameObject ovni = new Ovni(this, 0, Game.MAXCOL, 1);
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this.board.add(ovni);
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}
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return sw;
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}
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@Override
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public boolean shootSuperLaser() {
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boolean shoot = false;
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if(this.player.getSuperMisile() || this.player.getMisile()) {
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this.enableSuperMissile();
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shoot = true;
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}
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return shoot;
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}
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@Override
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public void receivePoints(int points) {
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this.player.addPoints(points);
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}
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@Override
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public void enableShockWave() {
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Shockwave sw = new Shockwave(this, this.player.getFila(), this.player.getColumna(), 1);
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this.player.activeSW(sw);
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this.board.add(sw);
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}
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@Override
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public void enableMissile() {
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UCMMissile misil = new UCMMissile(this, this.player.getFila(), this.player.getColumna(), 1);
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this.player.activeMisile(misil);
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this.board.add(misil);
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}
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@Override
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public void enableSuperMissile() {
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SuperMissile misil = new SuperMissile(this, this.player.getFila(), this.player.getColumna(), 1);
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this.player.activeSuperMisile(misil);
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this.board.add(misil);
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}
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public boolean buySuperMissile() throws CommandExecuteException {
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boolean buy = false;
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if (this.player.getPoints() >= COSTSUPERMISSILE) {
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this.player.subtractPoints(COSTSUPERMISSILE);
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this.player.getSuperMissile();
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buy = true;
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}
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if(!buy) {
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throw new CommandExecuteException("You don't have enough points.");
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}
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return buy;
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}
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public int getRestCycles() {
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return this.restCycles;
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}
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public void load(BufferedReader inStream) throws IOException, FileContentsException {
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this.board.setCurrentObjects(0);
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String line = inStream.readLine().trim();
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while (line != null && !line.isEmpty()) {
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FileContentsVerifier verifier = new FileContentsVerifier();
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GameObject gameObject = GameObjectGenerator.parse(line, this, verifier);
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if(gameObject == null) {
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throw new FileContentsException("invalid file, unrecognised line prefix");
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}
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board.add(gameObject);
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line = inStream.readLine().trim();
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}
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}
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}
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