Java实现的文字式抽象工厂迷宫游戏

/************      dxz00ww     **********/
import javax.swing.JOptionPane;
enum Direction {North, South, East, West};
class MazeFactory {//抽象工厂
public Maze MakeMaze( ){
return new Maze();
}
public Room MakeRoom(int roomno){
return new Room(roomno);
}
public Door MakeDoor(Room r1,Room r2 ){
return new Door(r1,r2);
}
public Wall MakeWall( )
{
return new Wall();
}
}
class MapSite
{
public void Enter(){}
}
class Room extends MapSite{
protected int roomNO;
private MapSite sides[]=new MapSite[4];
public Room(){}
public Room(int roomNo){
this.roomNO=roomNo;
}
public MapSite GetSide(Direction direction){

if(direction==Direction.North){return this.sides[0];}
if(direction==Direction.South){return this.sides[1];}
if(direction==Direction.East){return this.sides[2];}
if(direction==Direction.West){return this.sides[3];}
return null;/*******************/
}
public void SetSide(Direction direction,MapSite site){
if(direction==Direction.North){this.sides[0]=site;}
if(direction==Direction.South){this.sides[1]=site;}
if(direction==Direction.East){this.sides[2]=site;}
if(direction==Direction.West){this.sides[3]=site;}
}
public void Enter(){
JOptionPane.showMessageDialog(null,"你面临着一面墙"+roomNO);
}
}//抽象房间
class Door extends MapSite{
protected Room r1;
protected Room r2;
private boolean IsOpen;
public Door(){}
public Door(Room r1,Room r2){
this.r1=r1;
this.r2=r2;
}
public Room OtherSideFrom(Room r){
if(r==r1)return r2;
if(r==r2)return r1;
return null;/*************/
}