l2j-server-game/L2_GameServer/java/net/sf/l2j/gameserver/datatables/SkillTable.java

/*
 * 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, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * 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.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.datatables;

import java.util.Map;

import javolution.util.FastMap;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.skills.SkillsEngine;
import net.sf.l2j.gameserver.templates.L2WeaponType;

/**
 * This class ...
 *
 * @version $Revision: 1.8.2.6.2.18 $ $Date: 2005/04/06 16:13:25 $
 */
public class SkillTable
{
	//private static Logger _log = Logger.getLogger(SkillTable.class.getName());
	private static SkillTable _instance;

	private Map<Integer, L2Skill> _skills;
	private boolean _initialized = true;

	public static SkillTable getInstance()
	{
		if (_instance == null)
			_instance = new SkillTable();
		return _instance;
	}

	private SkillTable()
	{
		_skills = new FastMap<Integer, L2Skill>();
		SkillsEngine.getInstance().loadAllSkills(_skills);
	}

    public void reload()
    {
        _instance = new SkillTable();
    }

	public boolean isInitialized()
	{
	    return _initialized;
	}

	/**
     * Provides the skill hash
     * @param skill The L2Skill to be hashed
     * @return SkillTable.getSkillHashCode(skill.getId(), skill.getLevel())
     */
    public static int getSkillHashCode(L2Skill skill)
    {
        return SkillTable.getSkillHashCode(skill.getId(), skill.getLevel());
    }

    /**
     * Centralized method for easier change of the hashing sys
     * @param skillId The Skill Id
     * @param skillLevel The Skill Level
     * @return The Skill hash number
     */
    public static int getSkillHashCode(int skillId, int skillLevel)
    {
        return skillId*256+skillLevel;
    }

	public L2Skill getInfo(int skillId, int level)
	{
		return _skills.get(SkillTable.getSkillHashCode(skillId, level));
	}

	public int getMaxLevel(int magicId, int level)
	{
	    L2Skill temp;

	    while (level < 100)
	    {
	        level++;
	        temp = _skills.get(SkillTable.getSkillHashCode(magicId, level));

		    if (temp == null)
		        return level-1;
	    }

	    return level;
	}

	private static final L2WeaponType[] weaponDbMasks = {
		L2WeaponType.ETC,
		L2WeaponType.BOW,
		L2WeaponType.POLE,
		L2WeaponType.DUALFIST,
		L2WeaponType.DUAL,
		L2WeaponType.BLUNT,
		L2WeaponType.SWORD,
		L2WeaponType.DAGGER,
        L2WeaponType.BIGSWORD,
        L2WeaponType.ROD,
        L2WeaponType.BIGBLUNT,
        L2WeaponType.ANCIENT_SWORD,
        L2WeaponType.RAPIER,
        L2WeaponType.CROSSBOW
		};

	public int calcWeaponsAllowed(int mask)
	{
		if (mask == 0)
			return 0;

		int weaponsAllowed = 0;

		for (int i=0; i < weaponDbMasks.length; i++)
			if ((mask & (1<<i)) != 0)
				weaponsAllowed |= weaponDbMasks[i].mask();

        return weaponsAllowed;
	}
}