gameloadprocesscanvas.java

j2me游戏引擎 j2me游戏引擎

package cn.org.matrix.gmatrix.practice.demo01;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;

import cn.org.matrix.gmatrix.gameLab.GameObjectQueue;
import cn.org.matrix.gmatrix.gameLab.engine.XmlScriptParser;
import cn.org.matrix.gmatrix.gameLab.control.*;
/**
 * 处理游戏load的画布：显示游戏装载进程，这里没有继承GameUI类，以后要实现
 * @author cleverpig
 *
 */
public class GameLoadProcessCanvas extends Canvas implements Runnable{
	//配置文件资源URL
	private String configureResURL=null;
	//当前处理进度
	private int processing=0;
	//进度条的起始x坐标
	private int drawX=0;
	//进度条的起始y坐标
	private int drawY=0;
	//进度条的宽度
	private int drawWidth=0;
	//进度条的高度
	private int drawHeight=0;
	//是否完成装载
	private boolean loadFinish=false;
	//背景颜色
	private final int bgColor=0xffffff;
	//进度条颜色
	private final int processBarColor=0xff0000;
	//进度条边框颜色
	private final int processBarBorderColor=0x000000;
	//字体颜色
	private final int fontColor=0x000000;
	//处理进度最大值
	public final int PROCESS_MAX=15; 
	
	/**
	 * 构造方法
	 * @param configureResURL 配置文件资源URL
	 * @param processMax 处理进度最大值
	 */
	public GameLoadProcessCanvas(String configureResURL){
		this.configureResURL=configureResURL;
		drawX=0;
		drawY=this.getHeight()-this.getHeight()/5;
		drawHeight=this.getHeight()/10;
		drawWidth=0;
		loadFinish=false;
	}
	
	/**
	 * 初始化
	 */
	public void init(){
		drawX=0;
		drawY=this.getHeight()-this.getHeight()/5;
		drawHeight=this.getHeight()/10;
		drawWidth=0;
		loadFinish=false;
		processing=0;
	}
	
	/**
	 * 绘制图形
	 * @param g Graphics对象
	 */
	public void paint(Graphics g){
		
		//使用背景色填充
		g.setColor(bgColor);
		g.fillRect(0,0,this.getWidth(),this.getHeight());
		
		//计算进度
		int processPercent=100*processing/PROCESS_MAX;
		drawWidth=this.getWidth()*processing/PROCESS_MAX;
		
		//填充进度条
		g.setColor(processBarColor);
		g.fillRect(drawX,drawY,drawWidth,drawHeight);
		//勾画进度条边线
		g.setColor(processBarBorderColor);
		g.drawRect(drawX,drawY,this.getWidth(),drawHeight);
		
		//绘制文字
		g.setColor(fontColor);
		Font font=g.getFont();
		String str="装载进度:"+processPercent+"%";
		g.drawString(str,this.getWidth()/2-font.stringWidth(str)/2,drawY,Graphics.TOP|Graphics.LEFT);
		
		if (processPercent!=100){
			str="正在装载游戏请等待...";
		}
		else{
			str="装载游戏完成,按\"Fire\"键进入游戏!";
			loadFinish=true;
		}
		g.drawString(str,this.getWidth()/2-font.stringWidth(str)/2,this.getHeight()/2,Graphics.TOP|Graphics.LEFT);
	}
	
	//线程执行方法
	public void run(){
		long startTime=System.currentTimeMillis();
		
		repaint();
		
		XmlScriptParser x=new XmlScriptParser();
		//打开xml配置文件
		x.openConfigure(configureResURL);
		
		boolean firstInit=(MainMIDlet.gameLoader.getGlobalActorTable()==null);
		
		if (firstInit){
			System.out.println("第一次装载数据");
			//1.装载消息对象
			GameObjectQueue msgTable=x.readMsgConfigure(true);
			System.out.println("msg数量="+msgTable.size());
			processing++;
			repaint();
		
			//2.装载消息对列，并与消息对象作关联
			GameObjectQueue mqTable=x.readMsgQueueConfigure(new GameObjectQueue[]{msgTable},true);
			System.out.println("msg Queue数量="+mqTable.size());
			MainMIDlet.gameLoader.setMsgTable(mqTable);
			processing++;
			repaint();
		
			//3.装载事件对象配置
			GameObjectQueue eventTable=x.readEventConfigure(true);
			System.out.println("event数量="+eventTable.size());
			processing++;
			repaint();
			
			//4.装载事件列表，并与事件对象作关联	
			GameObjectQueue eqTable=x.readEventQueueConfigure(new GameObjectQueue[]{eventTable},true);
			System.out.println("event Queue数量="+eqTable.size());
			MainMIDlet.gameLoader.setEventTable(eqTable);
			processing++;
			repaint();
			
			//5.装载道具对象
			GameObjectQueue propTable=x.readPropertyConfigure(true);
			System.out.println("property数量="+propTable.size());
			processing++;
			repaint();
			
			//6.装载道具箱，并与道具对象作关联
			GameObjectQueue propBoxTable=x.readPropertyBoxConfigure(new GameObjectQueue[]{propTable},true);
			System.out.println("propertyBox数量="+propBoxTable.size());
			MainMIDlet.gameLoader.setPropertyTable(propBoxTable);
			processing++;
			repaint();
		
			//7.装载NPC对象，关联道具箱对象、事件对象
			GameObjectQueue npcTable=x.readNpcConfigure(new GameObjectQueue[]{propBoxTable,eventTable},true);
			System.out.println("npc数量="+npcTable.size());
			MainMIDlet.gameLoader.setNpcTable(npcTable);
			processing++;
			repaint();
		
			//8.装载主角，关联道具箱对象
			GameObjectQueue actorTable=x.readActorConfigure(new GameObjectQueue[]{propBoxTable},true);
			System.out.println("actor数量="+actorTable.size());
			processing++;
			repaint();

			//9.装载图层对象
			GameObjectQueue layerTable=x.readLayerConfigure(true);
			System.out.println("layer数量="+layerTable.size());
			MainMIDlet.gameLoader.setLayerTable(layerTable);
			processing++;
			repaint();
			
			//10.装载地图转换器对象
			GameObjectQueue transformerTable=x.readTransformerConfigure(true);
			System.out.println("transformer数量="+transformerTable.size());
			MainMIDlet.gameLoader.setTransformerTable(transformerTable);
			processing++;
			repaint();
			
			//11.装载地图对象，关联NPC、图层、地图转换器		
			GameObjectQueue mapTable=x.readMapConfigure(new GameObjectQueue[]{layerTable,npcTable,transformerTable},true);
			System.out.println("map数量="+mapTable.size());
			MainMIDlet.gameLoader.setMapTable(mapTable);
			processing++;
			repaint();
			
			//12.装载关卡对象，并关联地图对象
			GameObjectQueue levelTable=x.readLevelConfigure(new GameObjectQueue[]{mapTable},true);
			System.out.println("level数量="+levelTable.size());
			MainMIDlet.gameLoader.setLevelTable(levelTable);
			processing++;
			repaint();
			
			//13.装载摄像机对象
			GameObjectQueue cameraTable=x.readCameraConfigure(true);
			System.out.println("camera数量="+cameraTable.size());
			processing++;
			repaint();
			
			//14.装载音乐对象
			GameObjectQueue musicTable=x.readMusicConfigure(true);
			System.out.println("music数量="+musicTable.size());
			processing++;
			repaint();
			
			//15.装载游乐场运行间隔
			MainMIDlet.gameLoader.setCarnieRunInterval(x.readCarnieRunInterval(true));
			System.out.println("游乐场运行间隔="+MainMIDlet.gameLoader.getCarnieRunInterval());
			processing++;
			repaint();
			
			//与gameLoader作关联
			MainMIDlet.gameLoader.setGlobalCameraTable(cameraTable);
			MainMIDlet.gameLoader.setGlobalMusicTable(musicTable);
			MainMIDlet.gameLoader.setGlobalLevelTable(levelTable);
			MainMIDlet.gameLoader.setGlobalActorTable(actorTable);
		}
		else{
			System.out.println("非首次装载数据，使用cache数据");
			processing+=4;
			repaint();
			
			//5.装载道具对象
			GameObjectQueue propTable=x.readPropertyConfigure(true);
			System.out.println("property数量="+propTable.size());
			processing++;
			repaint();
			
			if (propTable.size()==0){
				System.out.println("装载道具对象为空");
			}
			//6.装载道具箱，并与道具对象作关联
			GameObjectQueue propBoxTable=x.readPropertyBoxConfigure(new GameObjectQueue[]{propTable},true);
			System.out.println("propertyBox数量="+propBoxTable.size());
			MainMIDlet.gameLoader.setPropertyTable(propBoxTable);
			processing++;
			repaint();
			
			//7.装载NPC对象，关联道具箱对象、事件对象
			GameObjectQueue npcTable=x.readNpcConfigure(new GameObjectQueue[]{propBoxTable,
					MainMIDlet.gameLoader.getEventTable()},true);
			System.out.println("npc数量="+npcTable.size());
			MainMIDlet.gameLoader.setNpcTable(npcTable);
			processing++;
			repaint();
			if (npcTable.size()==0){
				System.out.println("装载NPC对象为空");
			}
			//8.装载主角，关联道具箱对象
			GameObjectQueue actorTable=x.readActorConfigure(new GameObjectQueue[]{propBoxTable},true);
			System.out.println("actor数量="+actorTable.size());
			processing++;
			repaint();
			if (actorTable.size()==0){
				System.out.println("装载主角为空");
			}
			processing+=2;
			repaint();
			
			//11.装载地图对象，关联NPC、图层、地图转换器		
			GameObjectQueue mapTable=x.readMapConfigure(new GameObjectQueue[]{MainMIDlet.gameLoader.getLayerTable(),
					npcTable,MainMIDlet.gameLoader.getTransformerTable()},false);
			System.out.println("map数量="+mapTable.size());
			MainMIDlet.gameLoader.setMapTable(mapTable);
			processing++;
			repaint();
			if (mapTable.size()==0){
				System.out.println("装载地图对象为空");
			}
			//12.装载关卡对象，并关联地图对象
			GameObjectQueue levelTable=x.readLevelConfigure(new GameObjectQueue[]{mapTable},true);
			System.out.println("level数量="+levelTable.size());
			MainMIDlet.gameLoader.setLevelTable(levelTable);
			processing++;
			repaint();
			if (levelTable.size()==0){
				System.out.println("装载关卡对象为空");
			}
			processing+=3;
			repaint();
			
			//与gameLoader作关联
			MainMIDlet.gameLoader.setGlobalLevelTable(levelTable);
			MainMIDlet.gameLoader.setGlobalActorTable(actorTable);
		}
		System.out.println("装载工作花费时间:"+(System.currentTimeMillis()-startTime)+" ms");
		
	}
	
	/**
	 * 处理键盘事件：玩家按Fire键进入游戏
	 * @param keyCode 键盘代码
	 */
	public void keyPressed(int keyCode){
		System.out.println("键盘值为："+getGameAction(keyCode));
		if ((KeyManager.getKeyValue(getGameAction(keyCode))==KeyManager.FIRE_KEYPRESS)&&(loadFinish)){
			System.out.println("玩家按下Fire键进入游戏");
			MainMIDlet.gameNavigator.switchSomething(GameNavigator.CARNIE_CANVAS);
		}
	}
}