1e20086799
* Extracts item comparison from Platform into their own helper. Renamed methods to be more more fitting for the actual comparison. Added documentation about each methods behaviour.
266 lines
6.2 KiB
Java
266 lines
6.2 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.util.inv;
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import java.util.Iterator;
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import net.minecraft.item.ItemStack;
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import net.minecraftforge.items.IItemHandler;
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import appeng.api.config.FuzzyMode;
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import appeng.util.InventoryAdaptor;
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import appeng.util.Platform;
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public class AdaptorItemHandler extends InventoryAdaptor
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{
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private final IItemHandler itemHandler;
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public AdaptorItemHandler( IItemHandler itemHandler )
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{
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this.itemHandler = itemHandler;
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}
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@Override
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public ItemStack removeItems( int amount, ItemStack filter, IInventoryDestination destination )
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{
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int slots = itemHandler.getSlots();
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ItemStack rv = null;
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for( int slot = 0; slot < slots && amount > 0; slot++ )
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{
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final ItemStack is = itemHandler.getStackInSlot( slot );
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if( is == null || ( filter != null && !Platform.itemComparisons().isSameItem( is, filter ) ) )
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{
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continue;
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}
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if( destination != null )
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{
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ItemStack extracted = itemHandler.extractItem( slot, amount, true );
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if( extracted == null )
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{
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continue;
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}
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if( !destination.canInsert( extracted ) )
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{
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continue;
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}
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}
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// Attempt extracting it
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ItemStack extracted = itemHandler.extractItem( slot, amount, false );
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if( extracted == null )
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{
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continue;
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}
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if( rv == null )
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{
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// Use the first stack as a template for the result
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rv = extracted;
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filter = extracted;
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amount -= extracted.stackSize;
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}
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else
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{
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// Subsequent stacks will just increase the extracted size
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rv.stackSize += extracted.stackSize;
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amount -= extracted.stackSize;
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}
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}
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return rv;
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}
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@Override
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public ItemStack simulateRemove( int amount, ItemStack filter, IInventoryDestination destination )
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{
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int slots = itemHandler.getSlots();
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ItemStack rv = null;
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for( int slot = 0; slot < slots && amount > 0; slot++ )
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{
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final ItemStack is = itemHandler.getStackInSlot( slot );
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if( is != null && ( filter == null || Platform.itemComparisons().isSameItem( is, filter ) ) )
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{
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ItemStack extracted = itemHandler.extractItem( slot, amount, true );
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if( extracted == null )
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{
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continue;
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}
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if( destination != null )
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{
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if( !destination.canInsert( extracted ) )
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{
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continue;
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}
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}
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if( rv == null )
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{
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// Use the first stack as a template for the result
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rv = extracted.copy();
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filter = extracted;
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amount -= extracted.stackSize;
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}
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else
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{
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// Subsequent stacks will just increase the extracted size
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rv.stackSize += extracted.stackSize;
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amount -= extracted.stackSize;
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}
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}
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}
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return rv;
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}
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/**
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* For fuzzy extract, we will only ever extract one slot, since we're afraid of merging two item stacks with different damage values.
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*/
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@Override
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public ItemStack removeSimilarItems( int amount, ItemStack filter, FuzzyMode fuzzyMode, IInventoryDestination destination )
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{
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int slots = itemHandler.getSlots();
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ItemStack extracted = null;
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for( int slot = 0; slot < slots && extracted == null; slot++ )
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{
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final ItemStack is = itemHandler.getStackInSlot( slot );
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if( is == null || ( filter != null && !Platform.itemComparisons().isFuzzyEqualItem( is, filter, fuzzyMode ) ) )
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{
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continue;
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}
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if( destination != null )
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{
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ItemStack simulated = itemHandler.extractItem( slot, amount, true );
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if( simulated == null )
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{
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continue;
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}
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if( !destination.canInsert( simulated ) )
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{
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continue;
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}
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}
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// Attempt extracting it
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extracted = itemHandler.extractItem( slot, amount, false );
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}
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return extracted;
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}
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@Override
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public ItemStack simulateSimilarRemove( int amount, ItemStack filter, FuzzyMode fuzzyMode, IInventoryDestination destination )
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{
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int slots = itemHandler.getSlots();
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ItemStack extracted = null;
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for( int slot = 0; slot < slots && extracted == null; slot++ )
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{
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final ItemStack is = itemHandler.getStackInSlot( slot );
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if( is == null || ( filter != null && !Platform.itemComparisons().isFuzzyEqualItem( is, filter, fuzzyMode ) ) )
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{
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continue;
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}
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// Attempt extracting it
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extracted = itemHandler.extractItem( slot, amount, true );
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if( extracted != null && destination != null )
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{
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if( !destination.canInsert( extracted ) )
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{
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extracted = null; // Keep on looking...
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}
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}
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}
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return extracted;
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}
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@Override
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public ItemStack addItems( ItemStack toBeAdded )
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{
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return addItems( toBeAdded, false );
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}
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@Override
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public ItemStack simulateAdd( ItemStack toBeSimulated )
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{
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return addItems( toBeSimulated, true );
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}
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private ItemStack addItems( final ItemStack itemsToAdd, final boolean simulate )
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{
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if( itemsToAdd == null || itemsToAdd.stackSize == 0 )
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{
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return null;
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}
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ItemStack left = itemsToAdd.copy();
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for( int slot = 0; slot < itemHandler.getSlots(); slot++ )
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{
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ItemStack is = itemHandler.getStackInSlot( slot );
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if( is == null || Platform.itemComparisons().isSameItem( is, left ) )
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{
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left = itemHandler.insertItem( slot, left, simulate );
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if( left == null || left.stackSize <= 0 )
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{
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return null;
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}
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}
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}
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return left;
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}
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@Override
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public boolean containsItems()
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{
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int slots = itemHandler.getSlots();
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for( int slot = 0; slot < slots; slot++ )
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{
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if( itemHandler.getStackInSlot( slot ) != null )
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{
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return true;
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}
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}
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return false;
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}
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@Override
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public Iterator<ItemSlot> iterator()
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{
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return new ItemHandlerIterator( itemHandler );
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}
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}
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