enemysprite16.java

经典FC游戏《超惑星战记》的J2ME版本！！功能基本上都实现了

/**
 * <p>Title: Transpanzer</p>
 * <p>Description:
 * You cannot remove this copyright and notice.
 * You cannot use this file any part without the express permission of the author.
 * All Rights Reserved</p>
 * @author Jjyo
 * @email [e-mail]
 * @version 1.0.0
 */

import java.util.Random;


public class EnemySprite16 extends FSprite{
	GameManage gm;
	int dy;
	int dx;
	int attack;
	int speed;
	int tmpX;
	int tmpY;
	int frame[]={0,1,2,3};
	int index;
	int frameSpeed;
	boolean isWater;
	boolean isCollision;
	
	
	public EnemySprite16(GameManage gm){
		this.gm=gm;
		rect1.dx=16;
		rect1.dy=16;
		rect2.dx=16;
		rect2.dy=16;
		frameSpeed=5;
	}
	
	//与地图水平碰撞检测
	protected boolean checkTileCollisionHorizon(){
		if (this.dx> 0) {
			for (int i = (x + Maps.x)
					/ Maps.tileSize + 1; i <= (x + Maps.x )
					/ Maps.tileSize + 1; i++) {
				if (i < 0 || i > Maps.w - 1) {
					continue;
				}
				int yTile1 = (y + Maps.x + 2)/ Maps.tileSize;
				int yTile2 = (y + Maps.x + 14)/ Maps.tileSize;
				if (yTile2 > Maps.h - 1 || yTile1 < 0) {
					return false;
				}
				if (((Maps.mapArray[yTile1][i] >> 8) & 0x0f) == 0x0f) {
					if(isCollision)
						dx = 0;
					return true;
				}
				if (((Maps.mapArray[yTile2][i] >> 8) & 0x0f) == 0x0f) {
					if(isCollision)
						dx = 0;
					return true;
				}
				if (((Maps.mapArray[yTile1][i] >> 8) & 0x0c) == 0x0c) {
					if(isCollision)
						dx=0;
					return true;
				}
			}
		} else if (dx < 0) {
			for (int i = (x + Maps.x)
					/ Maps.tileSize; i <= (x + Maps.x)
					/ Maps.tileSize; i++) {
				if (i < 0 || i > Maps.w - 1) {
					continue;
				}
				int yTile1 = (y + Maps.x + 2) / Maps.tileSize;
				int yTile2 = (y + Maps.x + 14)/ Maps.tileSize;
				if (yTile2 > Maps.h - 1 || yTile1 < 0) {
					return false;
				}
				if (((Maps.mapArray[yTile1][i] >> 8) & 0x0f) == 0x0f) {
					if(isCollision)
						dx = 0;
					return true;
				}
				if (((Maps.mapArray[yTile2][i] >> 8) & 0x0f) == 0x0f) {
					if(isCollision)
						dx=0;
					return true;
				}
				if (((Maps.mapArray[yTile1][i] >> 8) & 0x0c) == 0x0c) {
					if(isCollision)
						dx=0;
					return true;
				}
			}
		}
		return false;
	}
	
	boolean checkTileCollisionHorizon2(){
		int i;
		rect1.dx = 16;
		rect1.dy = 16;
		rect2.dx = 16;
		rect2.dy = 16;
		rect1.y = this.y + Maps.y;
		rect1.x = this.x + Maps.x+dx;
		if (dx < 0) {	//负数人物向左走，正数向右走
			i = rect1.x / Maps.tileSize;
		} else {	//人物向右走
			i = rect1.x / Maps.tileSize +1;
		}
		if (i < 0 || i > Maps.w - 1)
			return false;	//超出地图，不作判断
		int yTile1 = rect1.y / Maps.tileSize;	//地图为16X16，人物为32X32，需要判断两块地图块
		int yTile2 = rect1.y / Maps.tileSize + 1;
		if (yTile1 < 0 || yTile2 > Maps.h - 1)
			return false;	//超出地图，不作判断
		
		if (((Maps.mapArray[yTile1][i] >> 8) & 0x0f) == 0x0f) {
			rect2.x = i * 16;
			rect2.y = yTile1 * 16;
			if (Rect.IntersectRect(rect1, rect2)) {
				return true;
			}
		}
		if (((Maps.mapArray[yTile2][i] >> 8) & 0x0f) == 0x0f) {
			rect2.x = i * 16;
			rect2.y = yTile2 * 16;
			if (Rect.IntersectRect(rect1, rect2)) {
				return true;
			}
		}
		return false;
	}
	
	//与地图的纵向碰撞检测
	protected boolean checkTileCollisionVertical(){
		if (this.dy > 0) {
			for (int i = (y + Maps.y)
					/ Maps.tileSize + 1; i <= (y + Maps.y )
					/ Maps.tileSize + 1; i++) {
				if (i < 0 || i > Maps.h - 1) {
					continue;
				}
				int xTile1 = (x + Maps.x + 2)/ Maps.tileSize;
				int xTile2 = (x + Maps.x + 14)/ Maps.tileSize;
				if (xTile2 > Maps.w - 1 || xTile1 < 0) {
					return false;
				}
				if (((Maps.mapArray[i][xTile1] >> 8) & 0x0f) == 0x0f) {
					if(isCollision){
						dy = (i - 1) * Maps.tileSize
								- (y + Maps.y);
					}
					return true;
				}
				if (((Maps.mapArray[i][xTile2] >> 8) & 0x0f) == 0x0f) {
					if(isCollision){
						dy = (i - 1) * Maps.tileSize
								- (y + Maps.y);
					}
					return true;
				}
				if (((Maps.mapArray[i][xTile1] >> 8) & 0x0c) == 0x0c) {
					if(isCollision){
						dy = (i - 1) * Maps.tileSize
								- (y + Maps.y);
					}
					return true;
				}
			}
		} else if (dy < 0) {
			for (int i = (y + Maps.y)
					/ Maps.tileSize; i <= (y + Maps.y)
					/ Maps.tileSize; i++) {
				if (i < 0 || i > Maps.h - 1) {
					continue;
				}
				int xTile1 = (x + Maps.x + 2) / Maps.tileSize;
				int xTile2 = (x + Maps.x + 14)/ Maps.tileSize;
				if (xTile2 > Maps.w - 1 || xTile1 < 0) {
					return false;
				}
				if (((Maps.mapArray[i][xTile1] >> 8) & 0x0f) == 0x0f) {
					if(isCollision)
						dy = 0;
					return true;
				}
				if (((Maps.mapArray[i][xTile2] >> 8) & 0x0f) == 0x0f) {
					if(isCollision)
						dy=0;
					return true;
				}
				if (((Maps.mapArray[i][xTile1] >> 8) & 0x0c) == 0x0c) {
					if(isCollision)
						dy = 0;
					return true;
				}
			}
		} 
		return false;
	}
	
	//子弹碰撞检测  16X
	protected boolean checkBulletDamage(){
		rect1.dx = 8;
		rect1.dy = 8;
		rect2.dx = 16;
		rect2.dy = 16;
		for(int i=gm.lgr.tankBullet.length-1;i>=0;i--){
			if(!gm.lgr.tankBullet[i].isHidden){
				rect1.x=gm.lgr.tankBullet[i].x;
				rect1.y=gm.lgr.tankBullet[i].y+4;
				rect2.x=x;
				rect2.y=y;
				if(Rect.IntersectRect(rect1, rect2)){
					if(gm.lgr.tankBullet[i].pow<16)
						gm.lgr.tankBullet[i].isHidden=true;
					attack=gm.lgr.tankBullet[i].pow;
					return true;
				}
			}
		}
		return false;
	}
	
	//子弹碰撞检测  8X
	protected boolean checkBulletDamage8(){
		rect1.dx = 8;
		rect1.dy = 8;
		rect2.dx = 16;
		rect2.dy = 8;
		for(int i=gm.lgr.tankBullet.length-1;i>=0;i--){
			if(!gm.lgr.tankBullet[i].isHidden){
				rect1.x=gm.lgr.tankBullet[i].x;
				rect1.y=gm.lgr.tankBullet[i].y+4;
				rect2.x=x;
				rect2.y=y+8;
				if(Rect.IntersectRect(rect1, rect2)){
					if(gm.lgr.tankBullet[i].pow<16)
						gm.lgr.tankBullet[i].isHidden=true;
					attack=gm.lgr.tankBullet[i].pow;
					return true;
				}
			}
		}
		return false;
	}
	
	public void checkTileValue(){
		char value;
		rect1.y = this.y + Maps.y+8;
		rect1.x = x + Maps.x + 8;
		
		int xTile = rect1.x / Maps.tileSize;
		int yTile = rect1.y / Maps.tileSize;
		
		value=(char)(Maps.mapArray[yTile][xTile] >> 8);
		switch(value){
		case 0x01:	//隐身
			frameCnt=-1;
			break;
		case 0x04:	//水
			isWater=true;
			break;
		}
	}
	
	
	protected void nextFrame(int frameNum,int frameIndex){
		if(index>=frameNum||index<0)
			index=0;
		frameCnt=frame[index]+frameIndex;
		if(++timeCnt%frameSpeed==0)
			index++;
	}
}

/**
 *------------------------------------------小石人----------------------------------------------
 */
class Stoner extends EnemySprite16{

	private byte direction;
	private static final byte left=0x01;
	private static final byte right=0x02;
	private static final byte up=0x04;
	private static final byte down=0x08;
	public Stoner(GameManage gm,int x,int y) {
		super(gm);
		this.x=x;
		this.y=y;
		this.speed=1;
		pow=12;
		direction=left;
		isHidden=false;
		isCollision=true;
	}
	
	public void action(){
		if(!isHidden){
			if (x > TankGameCanvas.width + 16 || x < -16 || y < -16
					|| y > TankGameCanvas.height + 16) {
				return ;
			}
			attack=0;
			switch(direction){
			case 0x01:	//left
				dx=-speed;
				dy+=2;
				
				if(!checkTileCollisionVertical()){	//纵向
					direction=down;
				}
				if(dy==0){
					if(checkTileCollisionHorizon()){	//水平
						direction=up;
					}
				}
				nextFrame(2,0);
				break;
			case 0x02: 	//right
				dx=speed;
				dy-=2;
				
				if(!checkTileCollisionVertical()){	//纵向
					direction=up;
				}
				if(dy==0){
					if(checkTileCollisionHorizon()){	//水平
						direction=down;
					}
				}
				nextFrame(2,4);
				break;
			case 0x04:	//up
				dy=-speed;
				dx-=2;
				
				if(!checkTileCollisionHorizon()){
						direction=left;
					}
				if(dx==0){
					if(checkTileCollisionVertical()){
					direction=right;
					}
				}
				nextFrame(2,6);
				break;
			case 0x08:	//down
				dx+=2;
				dy=speed;
				if(!checkTileCollisionHorizon()){	//水平
					direction=right;
				}
				if(dx==0){
					if(checkTileCollisionVertical()){	//纵
						direction=left;
					}
				}
				nextFrame(2,2);
				break;
			}
			if(checkBulletDamage()){
				frameCnt=-1;
			}
			pow-=attack;
			x+=dx;
			y+=dy;
			timeCnt++;
			if(pow<=0){
				isHidden=true;
				gm.creatBombEffect(x-8, y-8, 1);
				if(timeCnt%4==0){
					gm.creatGoods(x, y, Goods.POW);
				}
			}
		}
	}
}
/**
 * ----------------------石 鸟------------------------------------------------------------
 */
class Guano extends EnemySprite16{
	private int n;
	public Guano(GameManage gm,int x,int y,boolean isLeft) {
		super(gm);
		this.pow=12;
		if(isLeft){
			speed=-6;
		}else{
			speed=6;
		}
		this.x=x;
		this.y=y;
		isHidden=false;
		frameSpeed=2;
	}
	
	public void action(){
		if(!isHidden){
			if (x > TankGameCanvas.width  || x < -32 || y < -32
					|| y > TankGameCanvas.height + 32) {
				speed=-speed;
			}
			n++;
			if(n>=20)
				n=0;
			if(n>=0&&n<10){
				dy=speed;
			}else if(n>10&&n<=20){
				dy=-speed;
			}
			dx=speed;
			if(dx<0){
				nextFrame(4,8);
			}else{
				nextFrame(4,12);
			}
			if(checkBulletDamage()){
				frameCnt=-1;
			}
			pow-=attack;
			x+=dx;
			y+=dy;
			timeCnt++;
			if(pow<=0){
				gm.creatBombEffect(x-8, y-8, 1);
				isHidden=true;					
				if(timeCnt%4==0){
					gm.creatGoods(x, y, Goods.HOV);
				}
			}
			
		}
		
	}
}
/**
 * 炮座--------------------------------------------------------------------------------------
 */
class Barbette extends EnemySprite16{

	boolean isTurn;
	Random random;
	public Barbette(GameManage gm,int x,int y) {
		super(gm);
		pow=12;
		this.x=x;
		this.y=y;
		this.isHidden=false;
		isTurn=true;
		frameCnt=21;
		frameSpeed=2;
		random=new Random();
	}
	
	public void action(){
		if(!isHidden){
			if (x > TankGameCanvas.width -32 || x < 32 || y < 16
					|| y > TankGameCanvas.height - 16) {
				return ;
			}
			attack=0;
			if(timeCnt++%40==0){
				isTurn=!isTurn;
			}
			if(isTurn){
				int k=random.nextInt();
				k=Math.abs(k%10);
				nextFrame(2,20);
				if(timeCnt%3==0){
					if(k<4){
						gm.creatEnemyBullet(x, y+8, -6, 8, 1);
					}else if(k>=4&&k<6){
						gm.creatEnemyBullet(x, y+8, 7, 8, 1);
					}else if(k>=6&&k<8){
						gm.creatEnemyBullet(x, y+8, 2, 8, 1);
					}else{
						gm.creatEnemyBullet(x, y+8, -3, 8, 1);
					}
				}
			}else{
				frameCnt=21;
			}
			if(checkBulletDamage()){
				frameCnt=-1;
			}
			pow-=attack;
			if(pow<=0){
				if(pow<=0){
					gm.creatBombEffect(x-8, y-8, 1);
					isHidden=true;					
				}
			}
		}
	}
}
/**
 * －－－－－－－－－－－－－－－－－－－－－－外星人－－－－－－－－－－－－－－－－－－－－－－－－－－－
 */
class ET extends EnemySprite16{

	private int xSpeed;
	private int ySpeed;
	public ET(GameManage gm,int x,int y) {
		super(gm);
		this.x=x;
		this.y=y;
		this.isHidden=false;
		this.pow=4;
		dx=-2;
		dy=2;
		isCollision=false;