cmap.java

一个简单的J2ME游戏源代码

import java.io.IOException;

import javax.microedition.lcdui.*;

public class CMap {
	int x, y;
	int tileW, tileH;
	boolean leftmove, rightmove;
	int minX, minY,
	maxX = Const.SCREEN_WIDTH,
	maxY = Const.SCREEN_HEIGHT;
	int[][] mapdata;
	int[][] level1 = {
			{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 3, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 
				6, 6, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 4, 5, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 17, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 3, 5, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 
				0, 0, 0, 18 },
				{ 6, 6, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 17, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 8, 6 },
				{ 15, 15, 15, 15, 15, 15, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 
				23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 
				23, 23, 16, 15 },
				{ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 
				22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 
				22, 22, 22, 22 },
				{ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 
				22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 
				22, 22, 22, 22 },
				{ 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 
				22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 
				22, 22, 22, 22 }
				};
	int[][] level2 ={
			{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 0, 0, 0, 0, 
				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 0 },
				{ 12, 27, 27, 27, 27, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				6, 27, 27, 6 },
				{ 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				15, 15, 15, 15 },
				{ 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, 
				0, 0, 0, 15, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
				15, 15, 15, 15 },
				{ 15, 15, 15, 15, 15, 15, 15, 15, 35, 35, 35, 35, 35, 35, 35, 35, 
				35, 35, 35, 15, 15, 15, 15, 35, 35, 35, 35, 35, 35, 35, 35, 35, 
				15, 15, 15, 15 }
				};
	Image img;
	int colNum;
	public CMap(int levelId){
		String temp = "level" + levelId + ".dat";
		switch(levelId){
		case 0:
			mapdata = level1;
			try {
				img = Image.createImage("/level1Tiled.png");
			} catch (IOException e) {
				e.printStackTrace();
			}
			break;
		case 1:
			try {
				img = Image.createImage("/level2Tiled2.png");
			} catch (IOException e) {
				e.printStackTrace();
			}
			mapdata = level2;
			break;
		}
		tileW = tileH = 20;
		minX = - tileW;
		minY = - tileH;

		colNum = img.getWidth() / tileW;
	}
	void paint(Graphics g){
		for(int i=0;i<mapdata.length;i++){
			for(int j=0;j<mapdata[i].length;j++){
				int tempx = x + j * tileW;
				int tempy = y + i * tileH;
				if(tempx >= minX && tempx <= maxX
						&& tempy >= minY && tempy <= maxY){
					g.setClip(x + j * tileW,
							y + i * tileH,
							tileW, tileH);
					g.drawImage(img, x + j * tileW - tileW * ((mapdata[i][j]-1) % colNum),
							y+ i * tileH - tileH * ((mapdata[i][j]-1) / colNum),
							0);
				}
			}
		}
	}
	void move(){
		if(leftmove){
			x -= 3;
			
		}
		if(rightmove){
			x += 3;
			CLevel.bg_x += 1;
		}
	}
}