Files
runelite/runelite-client/src/main/java/net/runelite/client/game/ItemVariationMapping.java
2020-02-20 09:25:59 -05:00

101 lines
3.5 KiB
Java

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