001    /**
002     * Jetrix TetriNET Server
003     * Copyright (C) 2005  Emmanuel Bourg
004     *
005     * This program is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU General Public License
007     * as published by the Free Software Foundation; either version 2
008     * of the License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013     * GNU General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with this program; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
018     */
019    
020    package net.jetrix.filter;
021    
022    import java.util.*;
023    
024    import net.jetrix.*;
025    import net.jetrix.config.*;
026    import net.jetrix.messages.channel.*;
027    
028    /**
029     * A filter randomizing the blocks and the specials occurancies when the game starts.
030     *
031     * @since 0.3
032     *
033     * @author Emmanuel Bourg
034     * @version $Revision: 798 $, $Date: 2009-02-18 16:24:28 +0100 (Wed, 18 Feb 2009) $
035     */
036    public class RandomFilter extends GenericFilter
037    {
038        public void onMessage(NewGameMessage m, List<Message> out)
039        {
040            // get the settings
041            Settings settings = m.getSettings();
042    
043            // randomize the block occurancies
044            for (Block block : Block.values())
045            {
046                settings.setOccurancy(block, (int) (Math.random() * 100));
047            }
048    
049            settings.normalizeBlockOccurancy();
050    
051            for (Special special : Special.values())
052            {
053                settings.setOccurancy(special, (int) (Math.random() * 100));
054            }
055    
056            settings.normalizeSpecialOccurancy();
057    
058            // forward the new game message
059            out.add(m);
060        }
061    
062    }