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 2011-2019 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(final 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(final CMObject o)
{
return o==this?0:1;
}
@Override
public Item findItem(final 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(final Item goodLocation, final 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(final Item goodLocation, final 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;
}
@SuppressWarnings("unchecked")
@Override
public List<Item> findItems(final String itemID)
{
@SuppressWarnings("rawtypes")
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(final Item item)
{
if((item!=null)&&(!item.amDestroyed()))
innerContents.addElement(new WeakReference<Item>(item));
}
@Override
public void delItem(final 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(final 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(final 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(final 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));
}
}
