Android Open Source - clash_of_balls Event

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From Project

Back to project page clash_of_balls.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) 2012-2013 Hans Hardmeier <hanshardmeier@gmail.com>
 * Copyright (C) 2012-2013 Andrin Jenal/*ww w  . jav a 2 s. co  m*/
 * Copyright (C) 2012-2013 Beat Kng <beat-kueng@gmx.net>
 * 
 * This program 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; version 3 of the License.
 * 
 * This program 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.
 *
 */

package com.sapos_aplastados.game.clash_of_balls.game.event;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

import com.sapos_aplastados.game.clash_of_balls.game.GameBase;

import android.util.Log;

/**
 * all game changes can be stored as an Event
 * these Event's will be collected at the server and then sent to the clients
 *
 */
public abstract class Event {
  private static final String TAG = "Event";
  
  public static final byte type_game_start = 'S';
  public static final byte type_game_end = 'E';
  public static final byte type_game_info = 'G';
  public static final byte type_item_removed = 'R';
  public static final byte type_item_added = 'A';
  public static final byte type_item_update = 'U'; //also used for players
  public static final byte type_impact = 'I';
  
  public final byte type;
  
  public Event(byte type) {
    this.type = type;
  }
  
  //Network conversion
  //returns new Event or null if end of stream
  public static Event read(DataInputStream s, EventPool pool) {
    try {
      if(s.available() <= 0) return null;
      
      byte b=s.readByte();
      return pool.getEventFromStream(s, b);
      
    } catch (IOException e) {
      Log.e(TAG, "Failed to read event ("+e.getMessage()+")");
    }
    
    return null;
  }
  
  public abstract void init(DataInputStream s) throws IOException;
  
  public abstract void write(DataOutputStream s) throws IOException;
  
  //apply this event to the game
  public abstract void apply(GameBase game);
  
  //TODO: add undo method ???
}

Java Source Code List

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