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ItemVariations: add reverse mapping of variations

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This commit is contained in:
Ron Young
2019-10-07 09:20:22 -05:00
committed by Adam
parent 37db307cda
commit b4780dd762
1 changed files with 23 additions and 1 deletions
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24
runelite-client/src/main/java/net/runelite/client/game/ItemVariationMapping.java
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@@ -26,11 +26,14 @@
package net.runelite.client.game; package net.runelite.client.game;
import com.google.common.collect.ImmutableMap; 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.Gson;
import com.google.gson.reflect.TypeToken; import com.google.gson.reflect.TypeToken;
import java.io.InputStream; import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.util.Collection; import java.util.Collection;
import java.util.Collections;
import java.util.Iterator; import java.util.Iterator;
import java.util.Map; import java.util.Map;
@@ -40,6 +43,7 @@ import java.util.Map;
public class ItemVariationMapping public class ItemVariationMapping
{ {
private static final Map<Integer, Integer> MAPPINGS; private static final Map<Integer, Integer> MAPPINGS;
private static final Multimap<Integer, Integer> INVERTED_MAPPINGS;
static static
{ {
@@ -52,6 +56,7 @@ public class ItemVariationMapping
final Map<String, Collection<Integer>> itemVariations = gson.fromJson(new InputStreamReader(geLimitData), typeToken.getType()); final Map<String, Collection<Integer>> itemVariations = gson.fromJson(new InputStreamReader(geLimitData), typeToken.getType());
ImmutableMap.Builder<Integer, Integer> builder = new ImmutableMap.Builder<>(); ImmutableMap.Builder<Integer, Integer> builder = new ImmutableMap.Builder<>();
ImmutableMultimap.Builder<Integer, Integer> invertedBuilder = new ImmutableMultimap.Builder<>();
for (Collection<Integer> value : itemVariations.values()) for (Collection<Integer> value : itemVariations.values())
{ {
final Iterator<Integer> iterator = value.iterator(); final Iterator<Integer> iterator = value.iterator();
@@ -59,9 +64,15 @@ public class ItemVariationMapping
while (iterator.hasNext()) while (iterator.hasNext())
{ {
builder.put(iterator.next(), base); final int id = iterator.next();
builder.put(id, base);
invertedBuilder.put(base, id);
} }
invertedBuilder.put(base, base);
} }
INVERTED_MAPPINGS = invertedBuilder.build();
MAPPINGS = builder.build(); MAPPINGS = builder.build();
} }
@@ -75,4 +86,15 @@ public class ItemVariationMapping
{ {
return MAPPINGS.getOrDefault(itemId, 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));
}
} }