238 lines
5.5 KiB
Java
238 lines
5.5 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.entity.player.EntityPlayer;
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import net.minecraft.item.ItemStack;
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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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import appeng.util.iterators.NullIterator;
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/*
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* Lets you do simply tests with the players cursor, without messing with the specifics.
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*/
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public class AdaptorPlayerHand extends InventoryAdaptor
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{
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private final EntityPlayer player;
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public AdaptorPlayerHand( final EntityPlayer player )
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{
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this.player = player;
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}
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@Override
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public ItemStack removeItems( final int amount, final ItemStack filter, final IInventoryDestination destination )
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{
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final ItemStack hand = this.player.inventory.getItemStack();
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if( hand == null )
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{
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return null;
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}
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if( filter == null || Platform.itemComparisons().isSameItem( filter, hand ) )
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{
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final ItemStack result = hand.copy();
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result.setCount( hand.getCount() > amount ? amount : hand.getCount() );
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hand.grow( -amount );
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if( hand.getCount() <= 0 )
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{
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this.player.inventory.setItemStack( null );
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}
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return result;
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}
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return null;
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}
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@Override
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public ItemStack simulateRemove( final int amount, final ItemStack filter, final IInventoryDestination destination )
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{
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final ItemStack hand = this.player.inventory.getItemStack();
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if( hand == null )
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{
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return null;
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}
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if( filter == null || Platform.itemComparisons().isSameItem( filter, hand ) )
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{
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final ItemStack result = hand.copy();
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result.setCount( hand.getCount() > amount ? amount : hand.getCount() );
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return result;
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}
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return null;
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}
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@Override
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public ItemStack removeSimilarItems( final int amount, final ItemStack filter, final FuzzyMode fuzzyMode, final IInventoryDestination destination )
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{
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final ItemStack hand = this.player.inventory.getItemStack();
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if( hand == null )
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{
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return null;
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}
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if( filter == null || Platform.itemComparisons().isFuzzyEqualItem( filter, hand, fuzzyMode ) )
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{
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final ItemStack result = hand.copy();
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result.setCount( hand.getCount() > amount ? amount : hand.getCount() );
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hand.grow( -amount );
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if( hand.getCount() <= 0 )
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{
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this.player.inventory.setItemStack( null );
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}
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return result;
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}
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return null;
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}
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@Override
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public ItemStack simulateSimilarRemove( final int amount, final ItemStack filter, final FuzzyMode fuzzyMode, final IInventoryDestination destination )
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{
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final ItemStack hand = this.player.inventory.getItemStack();
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if( hand == null )
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{
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return null;
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}
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if( filter == null || Platform.itemComparisons().isFuzzyEqualItem( filter, hand, fuzzyMode ) )
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{
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final ItemStack result = hand.copy();
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result.setCount( hand.getCount() > amount ? amount : hand.getCount() );
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return result;
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}
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return null;
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}
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@Override
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public ItemStack addItems( final ItemStack toBeAdded )
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{
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if( toBeAdded == null )
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{
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return null;
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}
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if( toBeAdded.getCount() == 0 )
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{
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return null;
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}
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if( this.player == null )
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{
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return toBeAdded;
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}
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if( this.player.inventory == null )
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{
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return toBeAdded;
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}
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final ItemStack hand = this.player.inventory.getItemStack();
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if( hand != null && !Platform.itemComparisons().isSameItem( toBeAdded, hand ) )
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{
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return toBeAdded;
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}
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int original = 0;
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ItemStack newHand = null;
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if( hand == null )
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{
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newHand = toBeAdded.copy();
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}
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else
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{
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newHand = hand;
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original = hand.getCount();
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newHand.grow( toBeAdded.getCount() );
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}
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if( newHand.getCount() > newHand.getMaxStackSize() )
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{
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newHand.setCount( newHand.getMaxStackSize() );
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final ItemStack B = toBeAdded.copy();
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B.grow( -( newHand.getCount() - original ) );
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this.player.inventory.setItemStack( newHand );
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return B;
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}
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this.player.inventory.setItemStack( newHand );
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return null;
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}
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@Override
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public ItemStack simulateAdd( final ItemStack toBeSimulated )
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{
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final ItemStack hand = this.player.inventory.getItemStack();
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if( toBeSimulated == null )
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{
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return null;
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}
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if( hand != null && !Platform.itemComparisons().isEqualItem( toBeSimulated, hand ) )
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{
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return toBeSimulated;
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}
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int original = 0;
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ItemStack newHand = null;
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if( hand == null )
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{
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newHand = toBeSimulated.copy();
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}
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else
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{
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newHand = hand.copy();
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original = hand.getCount();
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newHand.grow( toBeSimulated.getCount() );
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}
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if( newHand.getCount() > newHand.getMaxStackSize() )
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{
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newHand.setCount( newHand.getMaxStackSize() );
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final ItemStack B = toBeSimulated.copy();
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B.grow( -( newHand.getCount() - original ) );
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return B;
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}
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return null;
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}
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@Override
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public boolean containsItems()
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{
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return this.player.inventory.getItemStack() != null;
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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 NullIterator<ItemSlot>();
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}
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}
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