gamemediator.java

一个基于JAVA的小游戏

package com.bjsxt.tank.core;

import java.awt.Color;

import java.awt.Graphics;

import java.util.ArrayList;
import java.util.List;



public class GameMediator {
	
	Tank myTank;
	private static GameMediator gamemediator ;
	static {
		gamemediator = new GameMediator();
	}
	List<GameObject> gameobjects = new ArrayList<GameObject>();

	Collider collider = new ColliderChain();
	private GameMediator(){
		
	}
	public static GameMediator getInstance(){
		return gamemediator;
	}
	public void addGameObject(GameObject obj) {
		this.gameobjects.add(obj);
	}

	public void removeGameObject(GameObject obj) {
		this.gameobjects.remove(obj);
	}

	public void checkCollide() {
		for (int i = 0; i < this.gameobjects.size(); i++) {
			GameObject go1 = this.gameobjects.get(i);
			for (int j = i + 1; j < this.gameobjects.size(); j++) {
				GameObject go2 = this.gameobjects.get(j);
				this.collider.collides(go1, go2);
			}
		}
	}

	public void drawGameObjects(Graphics g) {
		for (int i = 0; i < this.gameobjects.size(); i++) {
			GameObject obj = this.gameobjects.get(i);
			if (obj != null && obj.isLive()) {
				obj.draw(g);
			}
		}
	}

	public void drawString(Graphics g) {
		Color c = g.getColor();
		g.setColor(Color.BLACK);
		g.drawString("missile count : " + Missile.count, 10, 50);
		g.drawString("explode count : " + Explode.count, 10, 80);
		g.drawString("tank count : " + Tank.count, 10, 110);
		g.setColor(c);
	}

	void initWalls() {
		this.addGameObject(GameFactoryMgr.getFactory().createWall(100, 300,
				300, 50));
		this.addGameObject(GameFactoryMgr.getFactory().createWall(300, 150, 50,
				300));
	}

	void initTanks() {

		for (int i = 0; i < PropertyMgr.getPropsInt("tank.initCount"); i++) {
			this.addGameObject(GameFactoryMgr.getFactory().createTank(
					100 + 80 * i, 100, false));
		}
		this.myTank = GameFactoryMgr.getFactory().createTank(
				PropertyMgr.getPropsInt("myTank.initPos.x"),
				PropertyMgr.getPropsInt("myTank.initPos.y"), true);
		this.addGameObject(this.myTank);
	}

}