/*
* 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 lineage2.gameserver.data.xml.holder;
import gnu.trove.iterator.TIntObjectIterator;
import gnu.trove.map.hash.TIntObjectHashMap;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import lineage2.commons.data.xml.AbstractHolder;
import lineage2.commons.lang.ArrayUtils;
import lineage2.gameserver.templates.npc.NpcTemplate;
/**
* @author Mobius
* @version $Revision: 1.0 $
*/
public final class NpcHolder extends AbstractHolder
{
/**
* Field _instance.
*/
private static final NpcHolder _instance = new NpcHolder();
/**
* Field _npcs.
*/
private final TIntObjectHashMap<NpcTemplate> _npcs = new TIntObjectHashMap<>(30000);
/**
* Field _npcsByLevel.
*/
private TIntObjectHashMap<List<NpcTemplate>> _npcsByLevel;
/**
* Field _allTemplates.
*/
private NpcTemplate[] _allTemplates;
/**
* Field _npcsNames.
*/
private Map<String, NpcTemplate> _npcsNames;
/**
* Method getInstance.
* @return NpcHolder
*/
public static NpcHolder getInstance()
{
return _instance;
}
/**
* Constructor for NpcHolder.
*/
NpcHolder()
{
}
/**
* Method addTemplate.
* @param template NpcTemplate
*/
public void addTemplate(NpcTemplate template)
{
_npcs.put(template.npcId, template);
}
/**
* Method getTemplate.
* @param id int
* @return NpcTemplate
*/
public NpcTemplate getTemplate(int id)
{
NpcTemplate npc = ArrayUtils.valid(_allTemplates, id);
if (npc == null)
{
warn("Not defined npc id : " + id + ", or out of range!", new Exception());
return null;
}
return _allTemplates[id];
}
/**
* Method getTemplateByName.
* @param name String
* @return NpcTemplate
*/
public NpcTemplate getTemplateByName(String name)
{
return _npcsNames.get(name.toLowerCase());
}
/**
* Method getAllOfLevel.
* @param lvl int
* @return List<NpcTemplate>
*/
public List<NpcTemplate> getAllOfLevel(int lvl)
{
return _npcsByLevel.get(lvl);
}
/**
* Method getAll.
* @return NpcTemplate[]
*/
public NpcTemplate[] getAll()
{
return _npcs.values(new NpcTemplate[_npcs.size()]);
}
/**
* Method buildFastLookupTable.
*/
private void buildFastLookupTable()
{
_npcsByLevel = new TIntObjectHashMap<>();
_npcsNames = new HashMap<>();
int highestId = 0;
for (int id : _npcs.keys())
{
if (id > highestId)
{
highestId = id;
}
}
_allTemplates = new NpcTemplate[highestId + 1];
for (TIntObjectIterator<NpcTemplate> iterator = _npcs.iterator(); iterator.hasNext();)
{
iterator.advance();
int npcId = iterator.key();
NpcTemplate npc = iterator.value();
_allTemplates[npcId] = npc;
List<NpcTemplate> byLevel;
if ((byLevel = _npcsByLevel.get(npc.level)) == null)
{
_npcsByLevel.put(npcId, byLevel = new ArrayList<>());
}
byLevel.add(npc);
_npcsNames.put(npc.name.toLowerCase(), npc);
}
}
/**
* Method process.
*/
@Override
protected void process()
{
buildFastLookupTable();
}
/**
* Method size.
* @return int
*/
@Override
public int size()
{
return _npcs.size();
}
/**
* Method clear.
*/
@Override
public void clear()
{
_npcsNames.clear();
_npcs.clear();
}
}