104 lines
3.8 KiB
Java
104 lines
3.8 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.core.mca.mapping;
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import java.io.IOException;
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import java.util.Map.Entry;
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import java.util.concurrent.ExecutionException;
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import com.google.common.cache.CacheBuilder;
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import com.google.common.cache.CacheLoader;
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import com.google.common.cache.LoadingCache;
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import com.google.common.collect.HashMultimap;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Multimaps;
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import de.bluecolored.bluemap.core.world.BlockState;
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import ninja.leaping.configurate.ConfigurationNode;
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import ninja.leaping.configurate.gson.GsonConfigurationLoader;
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public class BlockPropertyMapper {
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private static final BlockProperties DEFAULT_PROPERTIES = new BlockProperties(false, false, false);
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private Multimap<String, BlockStateMapping<BlockProperties>> mappings;
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private LoadingCache<BlockState, BlockProperties> mappingCache;
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private BlockPropertyMapper() throws IOException {
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mappings = HashMultimap.create();
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GsonConfigurationLoader loader = GsonConfigurationLoader.builder()
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.setURL(getClass().getResource("/blockProperties.json"))
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.build();
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ConfigurationNode node = loader.load();
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for (Entry<Object, ? extends ConfigurationNode> e : node.getChildrenMap().entrySet()){
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String key = e.getKey().toString();
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BlockState bsKey = BlockState.fromString(key);
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BlockProperties bsValue = new BlockProperties(
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e.getValue().getNode("culling").getBoolean(false),
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e.getValue().getNode("occluding").getBoolean(false),
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e.getValue().getNode("flammable").getBoolean(false)
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);
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BlockStateMapping<BlockProperties> mapping = new BlockStateMapping<>(bsKey, bsValue);
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mappings.put(bsKey.getId(), mapping);
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}
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mappings = Multimaps.unmodifiableMultimap(mappings);
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mappingCache = CacheBuilder.newBuilder()
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.concurrencyLevel(8)
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.maximumSize(10000)
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.build(new CacheLoader<BlockState, BlockProperties>(){
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@Override public BlockProperties load(BlockState key) { return mapNoCache(key); }
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});
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}
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public BlockProperties map(BlockState from){
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try {
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return mappingCache.get(from);
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} catch (ExecutionException e) {
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//should never happen, since the CacheLoader does not throw any exceptions
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throw new RuntimeException("Unexpected error while trying to map a BlockState's properties", e.getCause());
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}
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}
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private BlockProperties mapNoCache(BlockState bs){
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for (BlockStateMapping<BlockProperties> bm : mappings.get(bs.getId())){
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if (bm.fitsTo(bs)){
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return bm.getMapping();
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}
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}
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return DEFAULT_PROPERTIES;
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}
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public static BlockPropertyMapper create() throws IOException {
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return new BlockPropertyMapper();
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}
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}
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