| /* PlayerImpl.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.examples.CORBA.swing.x5; |
| |
| import java.awt.Color; |
| import java.awt.Point; |
| |
| import java.rmi.RemoteException; |
| |
| /** |
| * The implementation of the PlayerCommunicator, providing the local |
| * functionality. Apart remote methods, the class also defines some local |
| * methods, needed for the co-ordinated work with the game user interface. |
| * |
| * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) |
| */ |
| public class PlayerImpl |
| implements Player, State |
| { |
| /** |
| * The playing table. |
| */ |
| PlayingDesk desk; |
| |
| /** |
| * The state of this player (one of the constants, defined in the player |
| * interface. |
| */ |
| private int state = DISCONNECTED; |
| |
| /** |
| * The other player. |
| */ |
| Player partner; |
| |
| /** |
| * Called when the local player refuses to continue the game. |
| */ |
| public void leave() |
| { |
| try |
| { |
| if (state == I_THINK || state == I_WAIT_FOR_YOUR_MOVE) |
| { |
| partner.receive_chat(ChatConstants.REMOTE_PLAYER, |
| "Your partner has left the game."); |
| partner.disconnect(); |
| } |
| else if (state == State.QUEUED) |
| { |
| if (desk.manager != null) |
| desk.manager.unregister(desk.player); |
| receive_chat(ChatConstants.SYSTEM, |
| "Do not be so pessimistic, try to play first!"); |
| } |
| set_current_state(State.DISCONNECTED); |
| |
| desk.frame.bChat.setEnabled(false); |
| desk.frame.bLeave.setEnabled(false); |
| desk.frame.bConnect.setEnabled(true); |
| desk.frame.taUrl.setText(desk.frame.mior); |
| } |
| catch (RemoteException ex) |
| { |
| // We will print the exception because this is a demo application that |
| // may be modified for learning purposes. |
| ex.printStackTrace(); |
| } |
| } |
| |
| /** |
| * Called when we make the move. The PlayingTable is responsible for checking |
| * the correctness of the move and detecting the victory. |
| * |
| * @param x x position of the new dot. |
| * @param y y position of the new dot. |
| * |
| * @param victory array of two memebers, representing the endpoints of the |
| * drawn line (victory detected) or null if no such yet exists. |
| */ |
| public void we_move(int x, int y, Point[] victory) |
| { |
| try |
| { |
| set_current_state(I_WAIT_FOR_YOUR_MOVE); |
| partner.receive_move(x, y, victory); |
| } |
| catch (RemoteException ex) |
| { |
| // We will print the exception because this is a demo application that |
| // may be modified for learning purposes. |
| ex.printStackTrace(); |
| |
| state = ERROR; |
| } |
| } |
| |
| /** |
| * Set the current state. |
| */ |
| public void set_current_state(int new_state) |
| { |
| state = new_state; |
| |
| if (state == DISCONNECTED) |
| { |
| setStatus("Disconnected"); |
| } |
| else if (state == I_THINK) |
| { |
| setStatus("Our move"); |
| } |
| else if (state == I_WAIT_FOR_YOUR_MOVE) |
| { |
| setStatus("Partner's move"); |
| } |
| else if (state == ERROR) |
| { |
| setStatus("Error."); |
| } |
| else if (state == I_HAVE_LOST) |
| { |
| setStatus("We lost"); |
| } |
| else if (state == I_HAVE_WON) |
| { |
| setStatus("Victory"); |
| } |
| else if (state == QUEUED) |
| { |
| setStatus("Queued"); |
| } |
| else |
| { |
| setStatus("State " + state); |
| } |
| |
| boolean connected = state != State.DISCONNECTED; |
| |
| desk.frame.bConnect.setEnabled(!connected && state != State.QUEUED); |
| desk.frame.bReset.setEnabled(connected); |
| desk.frame.bLeave.setEnabled(connected); |
| desk.frame.bChat.setEnabled(connected); |
| } |
| |
| /** |
| * Show the state in the status line. |
| */ |
| public void setStatus(String status) |
| { |
| desk.frame.lbState.setText(status); |
| } |
| |
| /** |
| * Receive the invitation to play from the patner or the game manager. |
| * |
| * @param address the address (host and port) of the remote partner. |
| * @param youStart if true, the game manager instructs to start the game first |
| * (another side is instructed to start the game second). |
| * |
| * Game server may also chat a little bit with both players, saying that the |
| * game has started. |
| * |
| * @return true on success. |
| */ |
| public boolean start_game(Player otherPlayer, boolean youStart) |
| throws RemoteException |
| { |
| partner = otherPlayer; |
| desk.reset(); |
| |
| if (youStart) |
| { |
| set_current_state(I_THINK); |
| } |
| else |
| { |
| set_current_state(I_WAIT_FOR_YOUR_MOVE); |
| } |
| |
| desk.frame.taUrl.setText(""); |
| |
| return true; |
| } |
| |
| /** |
| * Get the state of the local player (one of the constants, defined in this |
| * interface). |
| */ |
| public int get_current_state() |
| throws RemoteException |
| { |
| return state; |
| } |
| |
| /** |
| * Receive the chat message from the friend or challenge server (remote). |
| * Possible at any state, always remote. |
| * |
| * @param color the color code, used to highlight the message. |
| * @param text the message text. |
| */ |
| public void receive_chat(byte color, String text) |
| throws RemoteException |
| { |
| if (color >= ChatConstants.colors.length) |
| color = ChatConstants.REMOTE_PLAYER; |
| |
| desk.frame.talk(ChatConstants.colors[color], text); |
| } |
| |
| /** |
| * Indicated that the remote side leaves the game (capitulating). |
| */ |
| public void disconnect() |
| throws RemoteException |
| { |
| desk.frame.talk(Color.red, "The partner leaves the game."); |
| partner = null; |
| set_current_state(DISCONNECTED); |
| |
| desk.frame.taUrl.setText(desk.frame.mior); |
| } |
| |
| /** |
| * Receive friends move (possible at I_WAIT_FOR_YOUR_MOVE). |
| * |
| * @param x grid position. |
| * @param y grid position. |
| * @param victory if not a null, the friend thinks that it has won, the |
| * parameter containing the ends of the builded line. |
| */ |
| public void receive_move(int x, int y, Point[] victory) |
| throws RemoteException |
| { |
| // The state changes are handled by the PlayingTable |
| desk.friendsMove(x, y, victory); |
| } |
| } |