package com.planet_ink.coffee_mud.Common;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.interfaces.ItemPossessor.Expire;
import com.planet_ink.coffee_mud.core.threads.ServiceEngine;
import com.planet_ink.coffee_mud.core.*;
import com.planet_ink.coffee_mud.core.collections.*;
import com.planet_ink.coffee_mud.Abilities.interfaces.*;
import com.planet_ink.coffee_mud.Areas.interfaces.*;
import com.planet_ink.coffee_mud.Behaviors.interfaces.*;
import com.planet_ink.coffee_mud.CharClasses.interfaces.*;
import com.planet_ink.coffee_mud.Commands.interfaces.*;
import com.planet_ink.coffee_mud.Common.interfaces.*;
import com.planet_ink.coffee_mud.Common.interfaces.Clan.Function;
import com.planet_ink.coffee_mud.Common.interfaces.Clan.Authority;
import com.planet_ink.coffee_mud.Common.interfaces.Clan.ClanVote;
import com.planet_ink.coffee_mud.Common.interfaces.Clan.MemberRecord;
import com.planet_ink.coffee_mud.Exits.interfaces.*;
import com.planet_ink.coffee_mud.Items.interfaces.*;
import com.planet_ink.coffee_mud.Libraries.interfaces.*;
import com.planet_ink.coffee_mud.Libraries.interfaces.DatabaseEngine.PlayerData;
import com.planet_ink.coffee_mud.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.StdRace;
import com.planet_ink.coffee_mud.Races.interfaces.*;
import java.lang.ref.WeakReference;
import java.util.*;
/*
Copyright 2011-2016 Bo Zimmerman
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* Abstract collection of item objects, complete with some
* finders and various accessors. Also, the copyOf method
* does a deep copy. Also, this is a weak item collection,
* so as items get destroyed, they disappear from here.
*/
public class WeakItemCollection implements ItemCollection, CMCommon
{
private final SVector<WeakReference<Item>> innerContents=new SVector<WeakReference<Item>>(0);
private final ConvertingList<WeakReference<Item>,Item> contents
= new ConvertingList<WeakReference<Item>,Item>(innerContents,
new Converter<WeakReference<Item>,Item>()
{
@Override public Item convert(WeakReference<Item> obj) { return obj.get();}
});
@Override public String ID() { return "WeakItemCollection"; }
@Override public String name() { return ID();}
@Override
public CMObject copyOf()
{
final WeakItemCollection c=(WeakItemCollection)newInstance();
for(int i=0;i<contents.size();i++)
{
final Item I=contents.get(i);
if(I!=null)
{
final Item I2=(Item)I.copyOf();
I2.setOwner(I.owner());
c.innerContents.add(new WeakReference<Item>(I2));
}
}
for(int i=0;i<contents.size();i++)
{
final Item I=contents.get(i);
final Item I2=c.contents.get(i);
if((I!=null)&&(I2!=null))
{
if(I.container() != null)
for(int i2=0;i2<contents.size();i2++)
if(I.container() == contents.get(i2))
{
I2.setContainer((Container)c.contents.get(i2));
break;
}
}
}
return c;
}
@Override public void initializeClass() {}
@Override public CMObject newInstance() { return new WeakItemCollection(); }
@Override public int compareTo(CMObject o) { return o==this?0:1; }
@Override
public Item findItem(String itemID)
{
Item item=(Item)CMLib.english().fetchEnvironmental(contents,itemID,true);
if(item==null)
item=(Item)CMLib.english().fetchEnvironmental(contents,itemID,false);
return item;
}
@Override public Enumeration<Item> items() { return new IteratorEnumeration<Item>(contents.iterator()); }
@Override
public Item findItem(Item goodLocation, String itemID)
{
Item item=CMLib.english().fetchAvailableItem(contents,itemID,goodLocation,Wearable.FILTER_ANY,true);
if(item==null)
item=CMLib.english().fetchAvailableItem(contents,itemID,goodLocation,Wearable.FILTER_ANY,false);
return item;
}
@Override
public List<Item> findItems(Item goodLocation, String itemID)
{
List<Item> items=CMLib.english().fetchAvailableItems(contents,itemID,goodLocation,Wearable.FILTER_ANY,true);
if(items.size()==0)
items=CMLib.english().fetchAvailableItems(contents,itemID,goodLocation,Wearable.FILTER_ANY,false);
return items;
}
@Override @SuppressWarnings({"unchecked","rawtypes"})
public List<Item> findItems(String itemID)
{
List items=CMLib.english().fetchEnvironmentals(contents,itemID,true);
if(items.size()==0)
items=CMLib.english().fetchEnvironmentals(contents,itemID, false);
return items;
}
@Override
public void addItem(Item item)
{
if((item!=null)&&(!item.amDestroyed()))
innerContents.addElement(new WeakReference<Item>(item));
}
@Override
public void delItem(Item item)
{
for(int i=contents.size()-1;i>=0;i--)
{
final Item I=getItem(i);
if(I==item)
{
innerContents.remove(i);
break;
}
else
if(I==null)
{
try
{
innerContents.remove(i);
}
catch (final java.lang.ArrayIndexOutOfBoundsException x)
{
}
}
}
}
@Override
public void delAllItems(boolean destroy)
{
if(destroy)
for(int i=numItems()-1;i>=0;i--)
{
final Item I=getItem(i);
if(I!=null)
I.destroy();
}
innerContents.clear();
}
@Override
public int numItems()
{
return contents.size();
}
@Override
public boolean isContent(Item item)
{
for(int i=contents.size()-1;i>=0;i--)
{
final Item I=getItem(i);
if(I==item)
return true;
if(I==null)
try { innerContents.remove(i); }catch(final java.lang.ArrayIndexOutOfBoundsException x){}
}
return false;
}
@Override
public Item getItem(int i)
{
try
{
final Item I=contents.get(i);
if(I==null)
innerContents.remove(i);
else
return I;
}
catch(final java.lang.ArrayIndexOutOfBoundsException x){}
return null;
}
@Override
public void eachItem(final EachApplicable<Item> applier)
{
final List<Item> contents=this.contents;
if(contents!=null)
try
{
for(int a=0;a<contents.size();a++)
{
final Item I=contents.get(a);
if(I!=null)
applier.apply(I);
else
try { innerContents.remove(a); }catch(final java.lang.ArrayIndexOutOfBoundsException x){}
}
}
catch(final ArrayIndexOutOfBoundsException e){}
}
@Override
public Item getRandomItem()
{
if(numItems()==0)
return null;
return getItem(CMLib.dice().roll(1,numItems(),-1));
}
}
