dummygame.java

用Java做的小游戏：Pacman 和小时候玩的吃豆豆一样

import java.util.*;
import java.awt.*;
import gaming.*;
import cs101.lang.*;
import javax.swing.JOptionPane;
public class DummyGame implements GameKeyControllable,Animate{
    GriddedScreen theWorld; 
    WalledSquare[][] walls;
    Food[][] food;
    static Pacman pacman;
    protected AnimatorThread mover; 
    protected int[][] flag = new int[15][15];
    protected int superfood = 0;
    protected int MaxStep;//define the restricted steps in super state
    Ghost[] ghost = new Ghost[4];
    protected int All_Food_Number = 0;//the number of all the foods on the screen
    protected int life = 3;//the whole number lives of the pacman
    protected boolean Pause;
    public DummyGame(String filename) {
        GameFrame frame = new GameFrame(this, "Lab2_Pacman_Game");
        frame.loadGame(filename); 
        this.theWorld = frame.getScreen();
        food=new Food[theWorld.getGridHeight()][theWorld.getGridHeight()];
      }
    public void start(){
        System.out.println("Game Started,press w a s d to control the pacman!");
        JOptionPane.showMessageDialog(null,"WELCOME TO THE PACMAN WORLD! CLICK OK TO START THE GAME.");
         this.mover=new AnimatorThread(this);
         this.mover.startExecution();
         superfood = 0;
         life = 3;
         All_Food_Number = 0;
         Pause = true;
         flag[7][7] = 1;
         flag[14][0] = 1;
         flag[0][14] = 1;
         flag[14][14] = 1;
         flag[0][0] = 1;
         pacman=new Pacman(7,7);//set the initial pacman location in the centre of the screen
         theWorld.addScreenObject(pacman);
         //set the initial position of the four ghost,the four corner respectively
         ghost[0] = new RealGhost(14,0,pacman);
         ghost[1] = new RealGhost(0,0,pacman);
         ghost[2] = new RealGhost(0,14,pacman);
         ghost[3] = new RealGhost(14,14,pacman);
         for(int i=0;i<4;i++)
         theWorld.addScreenObject(ghost[i]);//add the four ghosts to screen
         /*
          * set the superfoods onto the screen with the total number of 4 
          */
         do{
              int rand1 = (int)(Math.random()*9);
             int rand2 = (int)(Math.random()*9);
             walls = this.theWorld.getWalls();
             if((!walls[rand1][rand2].hasLeftWall()||!walls[rand1][rand2].hasRightWall()||
                 !walls[rand1][rand2].hasLowerWall()||!walls[rand1][rand2].hasUpperWall())
                 &&flag[rand1][rand2] == 0){ 
                 food[rand1][rand2] = new Food(rand1,rand2,Color.red,1);
                 theWorld.addScreenObject(food[rand1][rand2]);
                 this.superfood++;
                 this.All_Food_Number++;//increase the total number on the screen
                 flag[rand1][rand2] = 1;
               }
         }while(this.superfood != 4);                                         
            /*
             * set the normal foods onto the srcreen
             */
            for(int i = 0; i <this.theWorld.getGridHeight();i++) {
            for(int j = 0; j <this.theWorld.getGridWidth();j++){
                walls = this.theWorld.getWalls();
                 if((!walls[i][j].hasLeftWall()||!walls[i][j].hasRightWall()||
                 !walls[i][j].hasLowerWall()||!walls[i][j].hasUpperWall())
                 &&flag[i][j] == 0) {//if the position is available and not put object before then set the normal food 
                     this.All_Food_Number++;
                   food[i][j]=new Food(i,j);
                   theWorld.addScreenObject(food[i][j]);
                 }
                   
               }
         }       
        theWorld.repaint();
    }
   public void eat(Ghost g)
      {   
          if(pacman.myColor == Color.red){
                 g.setX(0);
                 g.setY(14);
                }//if the ghost was eaten by the pacman,then produce another at the left-lower corner
              else {
              if(life != 1){
                    pacman.setX(7);
                    pacman.setY(7);
                    life--;
                    JOptionPane.showMessageDialog(null,"YOU LOST ONE LIFE! THERE LEFT "+life+" LIFES OF YOU!");
                    }//if remains live,then start from the center
               else   {
                       JOptionPane.showMessageDialog(null,"YOU LOST THE GAME!");
                       this.stop();
                      }//then step out from the program
               }
         }
   public void act(){
       for(int i = 0;i<4;i++){
         ghost[i].move();//move the ghost in turns
         if((ghost[i].x) == pacman.getX()&&(ghost[i].y) == pacman.getY()){
         eat(ghost[i]);//if the positon of pacman and ghost meet together,then invoke the eat function
                }
       }
          theWorld.repaint();
    }
    //stop the whole game
    public void stop(){
        System.out.println("Stop the game");
        this.mover.stopExecution();//terminate the thread
        theWorld.removeScreenObject(pacman);//
        for(int i=0;i<15;i++)
        for(int j=0;j<15;j++){
            flag[i][j] = 0;
            if(food[i][j]!=null)theWorld.removeScreenObject(food[i][j]);}
        for(int i=0;i<4;i++)
        theWorld.removeScreenObject(ghost[i]);//remove off the four ghost
        theWorld.repaint();
    }

    public void reset(){
        this.stop();
        this.start();
    }
    public void pause(){
        this.mover.suspendExecution();
        Pause = false;
        System.out.println("Pause the game");
    }
    public void unpause(){
        this.mover.resumeExecution();
        Pause = true;
        System.out.println("Unpause the game");
    }
   
   public void actOnKey(char key) {  
       if(Pause == true)
       pacman.actOnKey(key);
           if(pacman.getColor() == Color.red) 
           this.MaxStep++;
           if(this.MaxStep == 10) 
           pacman.myColor=Color.white;//the super status was restricted in 10 steps
           if(food[pacman.getX()][pacman.getY()].shape == 1)  
                {
                    pacman.myColor=Color.red; 
                    this.MaxStep=0;
                }//if the pacman ate another superfood,then it turned to red and clear the restricted MaxStep at the same time
           if(food[pacman.getX()][pacman.getY()]!=null){ 
            theWorld.removeScreenObject(food[pacman.getX()][pacman.getY()]); 
            food[pacman.getX()][pacman.getY()]=null;
            this.All_Food_Number--;
        }
               if(this.All_Food_Number == 0)  {
                   this.stop();
                   JOptionPane.showMessageDialog(null,"Congratulation!You have won the game!");
                }//if the pacman ate all the food then he win the game!
      theWorld.repaint();    
    }
}