Sebastian Hartte
70 lines
2.6 KiB
Java
70 lines
2.6 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.attributes;
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import net.minecraft.block.entity.BlockEntity;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.ChunkPos;
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import net.minecraft.util.math.Direction;
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import net.minecraft.world.World;
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import alexiil.mc.lib.attributes.Attribute;
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import alexiil.mc.lib.attributes.Attributes;
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import alexiil.mc.lib.attributes.SearchOptions;
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import appeng.api.storage.IStorageMonitorableAccessor;
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import appeng.parts.AEBasePart;
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/**
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* Utility class that holds various attributes, both by AE2 and other Mods.
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*/
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public final class MEAttributes {
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private MEAttributes() {
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}
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public static Attribute<IStorageMonitorableAccessor> STORAGE_MONITORABLE_ACCESSOR = Attributes
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.createDefaulted(IStorageMonitorableAccessor.class, new NullMENetworkAccessor());
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public static <T> T getFirstAttributeOnSide(Attribute<T> attribute, BlockEntity be, Direction side) {
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World world = be.getWorld();
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if (world == null) {
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return null;
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}
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return attribute.getFirstOrNull(world, be.getPos(), SearchOptions.inDirection(side.getOpposite()));
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}
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// Convenience function to get an attribute of the block that is in front of a
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// part
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public static <T> T getAttributeInFrontOfPart(Attribute<T> attribute, AEBasePart part) {
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BlockEntity self = part.getHost().getTile();
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Direction direction = part.getSide().getFacing();
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final World w = self.getWorld();
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BlockPos neighborPos = self.getPos().offset(direction);
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// Do not force-load a neighboring chunk for this.
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ChunkPos chunkPos = new ChunkPos(neighborPos);
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if (!w.getChunkManager().isChunkLoaded(chunkPos.x, chunkPos.z)) {
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return null;
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}
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return attribute.getFirstOrNull(w, neighborPos, SearchOptions.inDirection(direction));
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}
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}
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