101 lines
3.5 KiB
Java
101 lines
3.5 KiB
Java
/*
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* Copyright (c) 2018, Ron Young <https://github.com/raiyni>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package net.runelite.client.game;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableMultimap;
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import com.google.common.collect.Multimap;
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import com.google.gson.Gson;
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import com.google.gson.reflect.TypeToken;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.Map;
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/**
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* Converts variation items to it's base item counterparts
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*/
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public class ItemVariationMapping
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{
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private static final Map<Integer, Integer> MAPPINGS;
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private static final Multimap<Integer, Integer> INVERTED_MAPPINGS;
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static
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{
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final Gson gson = new Gson();
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final TypeToken<Map<String, Collection<Integer>>> typeToken = new TypeToken<Map<String, Collection<Integer>>>()
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{
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};
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final InputStream geLimitData = ItemVariationMapping.class.getResourceAsStream("/item_variations.json");
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final Map<String, Collection<Integer>> itemVariations = gson.fromJson(new InputStreamReader(geLimitData), typeToken.getType());
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ImmutableMap.Builder<Integer, Integer> builder = new ImmutableMap.Builder<>();
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ImmutableMultimap.Builder<Integer, Integer> invertedBuilder = new ImmutableMultimap.Builder<>();
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for (Collection<Integer> value : itemVariations.values())
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{
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final Iterator<Integer> iterator = value.iterator();
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final int base = iterator.next();
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while (iterator.hasNext())
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{
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final int id = iterator.next();
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builder.put(id, base);
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invertedBuilder.put(base, id);
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}
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invertedBuilder.put(base, base);
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}
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INVERTED_MAPPINGS = invertedBuilder.build();
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MAPPINGS = builder.build();
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}
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/**
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* Get base item id for provided variation item id.
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*
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* @param itemId the item id
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* @return the base item id
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*/
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public static int map(int itemId)
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{
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return MAPPINGS.getOrDefault(itemId, itemId);
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}
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/**
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* Get item ids for provided variation item id.
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*
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* @param itemId the item id
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* @return the item ids
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*/
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public static Collection<Integer> getVariations(int itemId)
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{
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return INVERTED_MAPPINGS.asMap().getOrDefault(itemId, Collections.singletonList(itemId));
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}
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}
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