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Jose Caban
303
CS1322/p6/PacmanEngine.java
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303
CS1322/p6/PacmanEngine.java
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/**
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* <PRE>
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* PacmanEngine.java
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*
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* Revisions: 1.0 Nov. 25, 2002
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* Created the PacmanEngine class
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* 1.1 Nov. 26, 2002
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* Compiled, Finished
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* 1.2 Nov. 26, 2002
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* Corrected Movement problem, AI still seems wacky, but can't
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* find the problem
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*
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* </PRE>
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*
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* Collaboration statement:
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* I worked on this assignment with Roland Krystian Alberciak
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*
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* @author
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*<A HREF="mailto:gtg142g@mail.gatech.edu">Roland Krystian Alberciak</A>
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*@author <A HREF="mailto:gtg184g@mail.gatech.edu">Jose Manuel Caban</A>
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* @version Version 1.2, Nov. 26, 2002
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*/
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import javax.swing.*;
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import javax.swing.event.*;
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import java.awt.event.*;
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public class PacmanEngine implements ActionListener, KeyListener{
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/**
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*Timers to fire every x.ms and do whatever
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*/
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private Timer GhostTimer;//fire at P6Constants.GHOST_INTERVAL ms
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private Timer PacmanTimer;//fire at P6Constants.PACMAN_INTERVAL ms
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/**
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*globals to hold data for engine use
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*/
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private GameBoard board;
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private PacmanFrame pf;
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private Ghost[] ghosts;
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private Pacman pacman;
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/**
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*Constructor
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*@param pf, the PacmanFrame instance
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*@param gb, the GameBoard instance
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*/
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public PacmanEngine(PacmanFrame pf, GameBoard gb){
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board = gb;
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this.pf = pf;
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//gb = pf.getGB();
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pf.addKeyListener(this);
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//PacmanFileReader pfr = new PacmanFileReader(P6Constants.BOARD_FILE);
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GhostTimer = new Timer(P6Constants.GHOST_INTERVAL,this);
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PacmanTimer = new Timer(P6Constants.PACMAN_INTERVAL,this);
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ghosts = board.getGhosts();
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pacman = board.getPacman();
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}
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/**
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*@param ae, the action performed
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*Handles what ae asks for
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*/
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public void actionPerformed(ActionEvent ae){
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if(ae.getSource() == PacmanTimer){
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isLegalMove(pacman,pacman.getDirection());
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}
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else if(ae.getSource() == GhostTimer){
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for(int i=0; i<4; i++){
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int[] array = ghosts[i].getMove(pacman.getX(),pacman.getY());
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boolean legal = false;
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int z=0;
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do{
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legal = isLegalMove(ghosts[z],array[z]);
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z++;
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}while(!legal && z<4);
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}//end for()
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}//end else if()
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GamePiece[][] temp = board.getPieceArray();
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//check pacman eat nibble
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if(temp[pacman.getX()][pacman.getY()] instanceof FloorPiece){
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((FloorPiece)temp[pacman.getX()][pacman.getY()]).setNibble(false);
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}
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if(temp[pacman.getX()][pacman.getY()] instanceof FloorPiece){
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if(((FloorPiece)temp[pacman.getX()][pacman.getY()]).getSpecial()){
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((FloorPiece)temp[pacman.getX()][pacman.getY()]).setSpecial(false);
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for(int i=0; i<4; i++){
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ghosts[i].runAway();
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}
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}
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}
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//check for game over
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boolean isDone = true;
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for(int x=0; x<temp.length; x++){
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for(int y=0; y<temp[x].length; y++){
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if(temp[x][y] instanceof FloorPiece
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&& ((FloorPiece)temp[x][y]).getNibble()){
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isDone=false;
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}
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}
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}
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if(isDone){
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GhostTimer.stop();
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PacmanTimer.stop();
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JOptionPane.showMessageDialog(pf,new String("You win!"),
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new String("Congrats"),1);
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}
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//check ghost and pacman same box
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for(int i=0; i<4; i++){
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if(pacman.getX() == ghosts[i].getX()
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&& pacman.getY() == ghosts[i].getY()){
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if(ghosts[i].getRunAwayFlag()){
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ghosts[i].resetGhost();
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}
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else{//game over time
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GhostTimer.stop();
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PacmanTimer.stop();
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JOptionPane.showMessageDialog(pf,new String("You Lose!"),
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new String("Game Over"),1);
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}
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}
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}
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board.repaint();
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}//end actionPerformed()
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/**
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*check legality of a move and make the move
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*@return true if the move is possible
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*@param mp, the piece to check
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*@param direction, the direction to move
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*/
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private boolean isLegalMove(MoveablePiece mp, int direction){
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try{
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switch(direction){
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case P6Constants.NORTH:
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if(board.getPieceArray()[mp.getX()][mp.getY()-1]
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instanceof FloorPiece){
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mp.move(P6Constants.NORTH);
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return true;
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}
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break;
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case P6Constants.SOUTH:
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if(board.getPieceArray()[mp.getX()][mp.getY()+1]
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instanceof FloorPiece){
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mp.move(P6Constants.SOUTH);
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return true;
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}
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break;
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case P6Constants.EAST:
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if(board.getPieceArray()[mp.getX()+1][mp.getY()]
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instanceof FloorPiece){
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mp.move(P6Constants.EAST);
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return true;
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}
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break;
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case P6Constants.WEST:
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if(board.getPieceArray()[mp.getX()-1][mp.getY()]
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instanceof FloorPiece){
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mp.move(P6Constants.WEST);
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return true;
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}
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break;
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};//end switch()
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return false;
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}catch(ArrayIndexOutOfBoundsException aiobe){return false;}
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catch(NullPointerException npe){return false;}
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}
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/**
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*Java's Pathetic Handler class
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*@param ke, the key pressed
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*/
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public void keyPressed(KeyEvent ke){
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switch(ke.getKeyCode()){
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case KeyEvent.VK_S:
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PacmanTimer.start();
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GhostTimer.start();
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System.out.println("Pressed s");
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break;
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case KeyEvent.VK_P:
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GhostTimer.stop();
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PacmanTimer.stop();
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System.out.println("Pressed p");
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break;
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case KeyEvent.VK_UP:
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pacman.setDirection(P6Constants.NORTH);
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System.out.println("Pressed up");
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break;
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case KeyEvent.VK_DOWN:
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pacman.setDirection(P6Constants.SOUTH);
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System.out.println("Pressed down");
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break;
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case KeyEvent.VK_LEFT:
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pacman.setDirection(P6Constants.WEST);
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System.out.println("Pressed left");
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break;
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case KeyEvent.VK_RIGHT:
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pacman.setDirection(P6Constants.EAST);
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System.out.println("Pressed right");
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break;
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}
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}//end keyPressed
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/**
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*Added to satisfy the requirements of the KeyListener
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*/
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public void keyTyped(KeyEvent ke){
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/*switch(ke.getKeyCode()){
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case KeyEvent.VK_S:
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PacmanTimer.start();
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GhostTimer.start();
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System.out.println("Pressed s");
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break;
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case KeyEvent.VK_P:
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GhostTimer.stop();
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PacmanTimer.stop();
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System.out.println("Pressed p");
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break;
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case KeyEvent.VK_UP:
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pacman.setDirection(P6Constants.NORTH);
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System.out.println("Pressed up");
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break;
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case KeyEvent.VK_DOWN:
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pacman.setDirection(P6Constants.SOUTH);
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System.out.println("Pressed down");
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break;
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case KeyEvent.VK_LEFT:
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pacman.setDirection(P6Constants.WEST);
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System.out.println("Pressed left");
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break;
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case KeyEvent.VK_RIGHT:
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pacman.setDirection(P6Constants.EAST);
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System.out.println("Pressed right");
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break;
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}*/
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}
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/**
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*Added to satisfy the requirements of the KeyListener
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*/
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public void keyReleased(KeyEvent ke){
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/*switch(ke.getKeyCode()){
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case KeyEvent.VK_S:
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PacmanTimer.start();
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GhostTimer.start();
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System.out.println("Pressed s");
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break;
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case KeyEvent.VK_P:
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GhostTimer.stop();
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PacmanTimer.stop();
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System.out.println("Pressed p");
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break;
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case KeyEvent.VK_UP:
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pacman.setDirection(P6Constants.NORTH);
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System.out.println("Pressed up");
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break;
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case KeyEvent.VK_DOWN:
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pacman.setDirection(P6Constants.SOUTH);
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System.out.println("Pressed down");
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break;
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case KeyEvent.VK_LEFT:
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pacman.setDirection(P6Constants.WEST);
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System.out.println("Pressed left");
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break;
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case KeyEvent.VK_RIGHT:
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pacman.setDirection(P6Constants.EAST);
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System.out.println("Pressed right");
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break;
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}*/
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}
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/**
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* Debugging main for class PacmanEngine.
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* This method will rigorously test my code.
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*
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* <br><br>
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* @param args a String array of command line arguments.
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*/
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public static void main(String[] args) {
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PacmanFrame fs = new PacmanFrame();
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PacmanEngine pe =
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//new PacmanEngine(new PacmanFrame(),new GameBoard("board_1.txt"));
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new PacmanEngine(fs,fs.getGB());
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}// end of main(String[] args)
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}// end of class PacmanEngine
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