mirror of https://github.com/cabaletta/baritone
68 lines
2.4 KiB
Java
68 lines
2.4 KiB
Java
/*
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* This file is part of Baritone.
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*
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* Baritone 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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* Baritone 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 Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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package baritone.api.utils;
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import net.minecraft.block.Block;
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import net.minecraft.util.ResourceLocation;
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import java.util.HashMap;
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import java.util.Map;
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public class BlockUtils {
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private static transient Map<String, Block> resourceCache = new HashMap<>();
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public static String blockToString(Block block) {
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ResourceLocation loc = Block.REGISTRY.getNameForObject(block);
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String name = loc.getPath(); // normally, only write the part after the minecraft:
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if (!loc.getNamespace().equals("minecraft")) {
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// Baritone is running on top of forge with mods installed, perhaps?
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name = loc.toString(); // include the namespace with the colon
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}
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return name;
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}
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public static Block stringToBlockRequired(String name) {
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Block block = stringToBlockNullable(name);
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if (block == null) {
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throw new NullPointerException(String.format("Invalid block name %s", name));
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}
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return block;
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}
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public static Block stringToBlockNullable(String name) {
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// do NOT just replace this with a computeWithAbsent, it isn't thread safe
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Block block = resourceCache.get(name); // map is never mutated in place so this is safe
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if (block != null) {
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return block;
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}
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if (resourceCache.containsKey(name)) {
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return null; // cached as null
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}
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block = Block.getBlockFromName(name.contains(":") ? name : "minecraft:" + name);
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Map<String, Block> copy = new HashMap<>(resourceCache); // read only copy is safe, wont throw concurrentmodification
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copy.put(name, block);
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resourceCache = copy;
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return block;
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}
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private BlockUtils() {}
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}
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