fixedmonkey.java

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package game;

import lib.*;
import javax.microedition.lcdui.*;

//不动的猴子
public class FixedMonkey extends Sprite{

  //扔香蕉皮
  public static final int ACT_CHUCK=ACT_USER;

  private Resource resource=Resource.getResource();
  //猴子所有的动作切片
  private static Rectangle[][] monkeyRect=new Rectangle[2][8];
  static{
    //面向左站立1
    monkeyRect[0][0]=new Rectangle(0,0,25,21);
    //面向左站立2
    monkeyRect[0][1]=new Rectangle(26,1,24,20);
    //面向左起跳
    monkeyRect[0][2]=new Rectangle(51,5,30,16);
    //面向左下落
    monkeyRect[0][3]=new Rectangle(82,0,28,21);
    //面向左扔香蕉皮1
    monkeyRect[0][4]=new Rectangle(111,1,25,20);
    //面向左扔香蕉皮2
    monkeyRect[0][5]=new Rectangle(137,1,23,20);
    //面向左被击中1
    monkeyRect[0][6]=new Rectangle(161,0,24,21);
    //面向左被击中2
    monkeyRect[0][7]=new Rectangle(186,1,23,20);

    //面向右站立1
    monkeyRect[1][0]=new Rectangle(0,22,25,21);
    //面向右站立2
    monkeyRect[1][1]=new Rectangle(26,23,24,20);
    //面向右起跳
    monkeyRect[1][2]=new Rectangle(51,27,30,16);
    //面向右下落
    monkeyRect[1][3]=new Rectangle(82,22,28,21);
    //面向右扔香蕉皮1
    monkeyRect[1][4]=new Rectangle(111,23,25,20);
    //面向右扔香蕉皮2
    monkeyRect[1][5]=new Rectangle(137,23,23,20);
    //面向右被击中1
    monkeyRect[1][6]=new Rectangle(161,22,24,21);
    //面向右被击中2
    monkeyRect[1][7]=new Rectangle(186,23,23,20);
  }
  //当前帧
  private int currAnimIndex;
  //猴子在各种动画下帧的变换速度
  private Time animTime=new Time(240);
  //猴子从ACT_STAND状态到ACT_CHUCK状态经过的时间
  private Time standToChuckTime=new Time(3000);
  private boolean needRemove;

   public FixedMonkey(int x,int y,int faceTo){
    this.x=x;
    this.y=y;
    this.faceTo=faceTo;
    this.width=24;
    this.height=20;
  }
  public void paint(Graphics g,int offsetX,int offsetY){
    int ox=x;
    if(faceTo==FACETO_RIGHT)
      ox=x+(width-monkeyRect[FACETO_RIGHT][currAnimIndex].width);
    int oy=y+(height-monkeyRect[faceTo][currAnimIndex].height);
    Toolkit.drawRegion(g,resource.imgMonkey,monkeyRect[faceTo][currAnimIndex],ox+offsetX,oy+offsetY);
  }
  public void update(int elapsedTime){
    switch(act){
      case ACT_STAND:
        if(animTime.update(elapsedTime)){
          currAnimIndex=currAnimIndex==0?1:0;
        }
        if(standToChuckTime.update(elapsedTime)){
          setAct(ACT_CHUCK);
          currAnimIndex=4;
        }
        break;
      case ACT_CHUCK:
        if(animTime.update(elapsedTime)){
          if(currAnimIndex==4){
            currAnimIndex=5;
            Sprite sprite=new Banana(getFaceTo()==0?getX():getX()+getWidth(),getY());
            sprite.setVelocityX(getFaceTo()==0?-3:3);
            sprite.setVelocityY(-8);
            sprite.setTilesEngine(getTilesEngine());
            getTilesEngine().addSprites(sprite);
          }
          else{
            setAct(ACT_STAND);
            currAnimIndex=0;
          }
        }
        break;
      case ACT_DEAD:
        if(animTime.update(elapsedTime)){
          if(currAnimIndex==6){
            currAnimIndex=7;
          }
          else{
            needRemove=true;
          }
        }
        break;
    }
  }
  public void collideVertical(){
    vx=0;
    vy=0;
  }
  public boolean isFixed(){
    return true;
  }
  public boolean isAlive(){
    return getAct()!=ACT_DEAD;
  }
  public void setAct(int act){
    super.setAct(act);
    if(act==ACT_DEAD){
      currAnimIndex=6;
    }
  }
  public boolean isNeedRemove(){
    return needRemove;
  }

}