import java.applet.Applet;
import java.applet.AudioClip;
import java.awt.*;
import java.awt.event.*;
import java.util.*;

public class Hnt extends Applet implements MouseListener,ActionListener,ItemListener
{
 
 public int x=0,y=0;
 public int count=0;
 public int csize=3;//,size=20;       //設置盤子的個數
 public int tower[][]=new int[20][20];  //紀錄每個柱子中盤子存放的內容
 public int From;                 //用于紀錄是哪個盤子需要轉移！
 public int top[]={19,-1,-1};   //紀錄柱子頂端的位置，并進行初始化。
 public int itop=0,ltop=0;                 //紀錄是兩次操作柱子的編號。
 public int begin=0;       //記錄原柱子的編號
 public int set;                             //盤子的基本寬度
 public int iima;
 public int currz;
 public String Music[]={new String("up.wav"),new String("down.wav"),new String("lost.wav"),new String("win.wav")};
 public String ima[]={new String("upA.gif"),new String("downA.gif"),new String("error.png"),new String("laugh.png")};
 public String Message=" ";     //記錄信息
 public Rectangle pan[]=new Rectangle[200]; //根據盤子的個數來完成盤子的設置。
 public AudioClip music[]=new AudioClip[4]; //音樂設置
 public Image image[]=new Image[4];
 public Image bg;
 public boolean run=false,yanshi=false,free=true,mode=true;  //標志是移盤還是放盤。
 public int bgnumber;
 public TextField text;
 public Label lab1,lab2;
 public Button but,but2;
 public Checkbox one,two;
 public Choice cho;
 public Color zi=new Color(153,50,205);
 public myDialog md;
 public Que q=new Que();
 public int time=10;
    public void init()
    {
     CheckboxGroup cg=new CheckboxGroup();
  one=new Checkbox("自由模式",true,cg);
  two=new Checkbox("正規模式",false,cg);
     md=new myDialog("完成");
     
     text=new TextField("3",20);
     but=new Button("切換");
     but2=new Button("演示");
     cho=new Choice();
     
     lab1=new Label("游戲模式:");
      add(lab1);
     add(two);
     add(one);
     lab1=new Label("         演示間隔:");
     
     add(lab1);
        cho.add("1 秒");
     cho.add("0.2秒");
     cho.add("0.5秒");
     cho.add("2 秒");
     cho.add("3 秒");
     add(cho);
     
     lab1=new Label("輸入盤子的個數：");
     add(lab1);
     add(text);
     add(but);
     add(but2);
     two.addItemListener(this);
     one.addItemListener(this);
     cho.addItemListener(this);
   but.addActionListener(this);
   but2.addActionListener(this);
    for(int j=0;j<4;j++)
    {
      music[j]=getAudioClip(getDocumentBase(),Music[j]);
      image[j]=getImage(getDocumentBase(),ima[j]);
     }
     iima=0;
        addMouseListener(this);       //添加鼠標監聽
        bgnumber=(int)(Math.random()*16);
  bg=getImage(getDocumentBase(),bgnumber+".png");
  set=120/(22);
  for(int i=0,j=19;i<20;i++)      //初始化柱子A中的信息
     {
      tower[0][i]=j--;
      pan[i]=new Rectangle((int)(80-(i/2.0+0.5)*set),215-(20-i)*set,(i+1)*set,set);//將盤子進行初始化
     }
     initPan();  
    }
    public void initPan()
    {
     top[0]=csize-1;top[1]=-1;top[2]=-1;
     set=120/(csize+2);
     for(int i=0,j=csize-1;i<csize;i++)      //初始化柱子A中的信息
     {
      tower[0][i]=j--;
      pan[i].setBounds((int)(80-(i/2.0+0.5)*set),245-(csize-i)*set,(i+1)*set,set);//將盤子進行初始化
     }
     repaint();
   }
 public void paint(Graphics g)
 {
  g.drawImage(bg,0,65,420,215,this);
  String str=new String("狀態: "+Message);
  if(run) currz=ltop;
  else currz=itop;
  g.drawImage(image[iima],70+130*currz,85,20,20,this);
  g.setColor(Color.pink);
  g.drawString(str,10,265);
  str="移動次數: "+count;
  g.drawString(str,340,265);
  g.drawLine(20,245,140,245);      //畫柱子
  g.drawLine(150,245,270,245);
  g.drawLine(280,245,400,245);
  g.drawLine(80,125,80,245);
  g.drawLine(210,125,210,245);
  g.drawLine(340,125,340,245); 
  for(int i=0;i<csize;i++)        //畫矩形
  {
   g.setColor(Color.pink);
   g.fillRect(pan[i].x,pan[i].y,pan[i].width,pan[i].height);
   g.setColor(zi);
   g.drawRect(pan[i].x,pan[i].y,pan[i].width,pan[i].height);
  }
  if(yanshi)
   Yanshi();
 }
 public void mouseClicked(MouseEvent e)
 {
  if(!yanshi)
  {
   if(Message=="\tWin")
   {
    initPan();
    Message="";
   }
   run=!run;
   x=e.getX();            //獲取當前鼠標點擊的位置，從而判斷是哪個柱子應該接受響應
   y=e.getY();
   if(x>=20 && x<=140 && y>=105 && y<=245)  //知道是哪個柱子
    itop=0;
   else if(x>=150 && x<=270 && y>=105 && y<=245)
    itop=1;
   else if(x>=280 && x<=400 && y>=105 && y<=245)
    itop=2;
   else 
   {
    run=!run;
    return;
   }
   if(run)
   {
    if(top[itop]==-1)
    {
     run=false;
     From=-1;
    }
    else
    {
     From=tower[itop][top[itop]];
     ltop=itop;
     music[0].play();            //向上移動聲音播放
     iima=0;
    } 
   }
   if(!run && From!=-1)          //落盤子操作
   {
    if(top[itop]!=-1 && From>tower[itop][top[itop]])
    {
     Message="Wrong";
     music[2].play();       //擺放錯誤
     iima=2;
     repaint();
     return;
    }
    Message=" ";
    top[ltop]--;
    pan[From].setLocation(pan[From].x+(itop-ltop)*130,245-(top[itop]+2)*set); //直接將盤移動
    top[itop]++;
    tower[itop][top[itop]]=From;
    iima=1;
    music[1].play();
    count++;
    check();
   }
   repaint();
  }
 }
 public void check()
 {
  if(top[0]==csize-1 || top[1]==csize-1 || top[2]==csize-1)
  {
   if(begin!=itop)
   {
    begin=itop;
    Message="\tWin";
     music[3].play();
     iima=3;
     bgnumber=(int)(Math.random()*16);
     bg=getImage(getDocumentBase(),bgnumber+".png");
     md.SetString(csize,count);
     count=0;
     md.setVisible(true);
   }  
  }
  else if(!mode && top[2]==csize-1)
  {
   begin=itop;
   Message="\tWin";
   music[3].play();
   iima=3;
   bgnumber=(int)(Math.random()*16);
   bg=getImage(getDocumentBase(),bgnumber+".png");
   md.SetString(csize,count);
   count=0;
   md.setVisible(true);
  }
   
 }
 public void actionPerformed(ActionEvent e)
 {
  if(e.getSource()==but)
  {
   count=0;
   if(yanshi)
   {
    yanshi=false;
    iima=1;
    q.clear();
   }
   try
   {
    int i=Integer.valueOf(text.getText()).intValue();
    if(i>2 && i<21)
    {
     csize=i;
     initPan();
    }
    else
     text.setText("盤子的個數只限制在3~20之間");
    
   }
   catch(NumberFormatException e1)
   {
    text.setText("請輸入0~9的數字");
   }
  }
  else if(e.getSource()==but2)
  {
   if(csize<11)
   {
    iima=0;
    yanshi=true;
    hanoi(csize,0,1,2);
    initPan();
   }
   else
    text.setText("演示只限在10個盤子以內!");
  }
 }
 public void mousePressed(MouseEvent e){}
 public void mouseReleased(MouseEvent e){}
 public void mouseEntered(MouseEvent e){}
 public void mouseClosing(MouseEvent e){}
 public void mouseExited(MouseEvent e){}
 public void movie(int get,int  out)
 {
  q.push(get,out);
 }
 public void hanoi(int n,int a,int  b,int c)
 {
  if(n==1) movie(a,c);
  else
  {
   hanoi(n-1,a,c,b);
   movie(a,c);
   hanoi(n-1,b,a,c);
  }
 }
 public void Yanshi()
 {
  try{
   Thread.sleep((int)(time*100));
  }catch(Exception e){}
  if(q.size()==0)
  {
   yanshi=false;
   text.setText("演示完成   移動次數："+count);
   iima=3; 
   count=0;
   q.clear();
   begin=2;
  }
  else
  {
   ltop=q.popFirst();
   itop=q.popSecond();
   try{
    From=tower[ltop][top[ltop]];
   }
   catch(Exception e){}
   top[ltop]--;
   pan[From].setLocation(pan[From].x+(itop-ltop)*130,245-(top[itop]+2)*set); //直接將盤移動
   top[itop]++;
   tower[itop][top[itop]]=From;
   count++;
  }
  repaint();
 }
 public void itemStateChanged(ItemEvent e)
 {
  if(e.getSource()==one)
   mode=true;
  else if(e.getSource()==two)
   mode=false;
  
  else switch(cho.getSelectedIndex())
  {
   case 0:
    time=10;
    break;
   case 1:
    time=2;
    break;
   case 2:
    time=5;
    break;
   case 3:
    time=20;
    break;
   case 4:
    time=40;
  }
 }
}
class myDialog extends Frame implements ActionListener
{
 boolean stop=true;
 Label lab;
 TextField tes;
 Button continu;
 GridLayout gl;
 myDialog(String title)
 {
  super(title);
  lab=new Label("          恭喜！你已經成功的完成！");
  tes=new TextField("",30);
  tes.setEnabled(false);
  continu=new Button("繼續");
  setSize(220,120);
  gl=new GridLayout(3,1);
  setLayout(gl);
  add(lab);
  add(tes);
  add(continu);
  continu.addActionListener(this);
 }
 public void actionPerformed(ActionEvent e)
 {
  if(e.getSource()==continu)
   setVisible(false);
 }
 public void SetString(int i,int j)
 {
  int count=(int)Math.pow(2,i)-1;
  String message=new String();
  if(j==count)
   message="完美";
  else if(j<=count*2)
   message="漂亮";
  else 
   message="努力";
  String str=new String("盤子個數:"+i+"  移動次數: "+j+"  狀況:"+message);
  tes.setText(str);
 }
}
class Que
{
 int First[]=new int[1024];
 int Second[]=new int[1024];
 int Top=0,End=0;
 public void push(int First,int Second)
 {
  this.First[End]=First;
  this.Second[End++]=Second;
 }
 public int popFirst()
 {
  return First[Top];
 }
 public int popSecond()
 {
  return Second[Top++];
 }
 public void clear()
 {
  Top=0;
  End=0;
 }
 public int size()
 {
  return End-Top;
 }
 
}