03f9436ef9
If a feature dependency of ItemMultiMaterial was disabled, the returned value was never assigned with the constructed. Pulling out the construction and setting it before checking it, prevents the NPE and also matches the behaviour in ItemMultiPart, where parts are constructed, but never registered.
76 lines
2 KiB
Java
76 lines
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.core.features;
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import javax.annotation.Nonnull;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.world.IBlockAccess;
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import com.google.common.base.Optional;
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import com.google.common.base.Preconditions;
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import appeng.api.definitions.IItemDefinition;
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public final class DamagedItemDefinition implements IItemDefinition
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{
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private final IStackSrc source;
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public DamagedItemDefinition( @Nonnull IStackSrc source )
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{
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this.source = Preconditions.checkNotNull( source );
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}
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@Override
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public Optional<Item> maybeItem()
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{
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final Item item = this.source.getItem();
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return Optional.fromNullable( item );
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}
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@Override
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public Optional<ItemStack> maybeStack( int stackSize )
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{
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final ItemStack stack = this.source.stack( stackSize );
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return Optional.fromNullable( stack );
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}
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@Override
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public boolean isSameAs( ItemStack comparableStack )
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{
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if( comparableStack == null )
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{
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return false;
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}
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return comparableStack.getItem() == this.source.getItem() && comparableStack.getItemDamage() == this.source.getDamage();
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}
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@Override
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public boolean isSameAs( IBlockAccess world, int x, int y, int z )
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{
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return false;
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}
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}
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