119 lines
3.7 KiB
Java
119 lines
3.7 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2015, 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 appeng.api.definitions.ITileDefinition;
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import com.google.common.base.Function;
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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 net.minecraft.block.Block;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemBlock;
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import net.minecraft.item.ItemStack;
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import net.minecraft.tileentity.TileEntity;
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import net.minecraft.world.IBlockAccess;
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public final class WrappedDamageItemDefinition implements ITileDefinition {
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private final ITileDefinition definition;
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private final int damage;
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public WrappedDamageItemDefinition(
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final ITileDefinition definition, final int damage
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) {
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Preconditions.checkNotNull(definition);
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Preconditions.checkArgument(damage >= 0);
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this.definition = definition;
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this.damage = damage;
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}
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@Override
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public Optional<? extends Class<? extends TileEntity>> maybeEntity() {
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return this.definition.maybeEntity();
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}
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@Override
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public Optional<Block> maybeBlock() {
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return this.definition.maybeBlock();
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}
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@Override
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public Optional<ItemBlock> maybeItemBlock() {
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return this.definition.maybeItemBlock();
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}
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@Override
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public Optional<Item> maybeItem() {
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return this.definition.maybeItem();
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}
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@Override
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public Optional<ItemStack> maybeStack(final int stackSize) {
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return this.definition.maybeBlock().transform(
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new BlockTransformFunction(stackSize, this.damage)
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);
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}
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@Override
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public boolean isEnabled() {
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return this.definition.isEnabled();
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}
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@Override
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public boolean isSameAs(final ItemStack comparableStack) {
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if (comparableStack == null) {
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return false;
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}
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final boolean sameItem
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= this.definition.isSameAs(new ItemStack(comparableStack.getItem()));
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final boolean sameDamage = comparableStack.getItemDamage() == this.damage;
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return sameItem && sameDamage;
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}
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@Override
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public boolean
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isSameAs(final IBlockAccess world, final int x, final int y, final int z) {
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return this.definition.isSameAs(world, x, y, z)
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&& world.getBlockMetadata(x, y, z) == this.damage;
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}
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private static final class BlockTransformFunction
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implements Function<Block, ItemStack> {
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private final int stackSize;
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private final int damage;
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public BlockTransformFunction(final int stackSize, final int damage) {
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Preconditions.checkArgument(stackSize > 0);
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Preconditions.checkArgument(damage >= 0);
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this.stackSize = stackSize;
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this.damage = damage;
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}
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@Override
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public ItemStack apply(final Block input) {
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Preconditions.checkNotNull(input);
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return new ItemStack(input, this.stackSize, this.damage);
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}
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}
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}
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