Replace BiMap with an Object2IntBiMap

connector/src/main/java/org/geysermc/connector/entity/living/merchant/VillagerEntity.java

@@ -114,7 +114,7 @@ public class VillagerEntity extends AbstractMerchantEntity {
         if (bedPosition != null) {
             bedId = session.getConnector().getWorldManager().getBlockAt(session, bedPosition);
         }
-        String bedRotationZ = BlockRegistries.JAVA_IDENTIFIERS.get().inverse().get(bedId);
+        String bedRotationZ = BlockRegistries.JAVA_IDENTIFIERS.get().get(bedId);
         setRotation(rotation);
         setOnGround(isOnGround);
         this.position = Vector3f.from(position.getX() + relX, position.getY() + relY, position.getZ() + relZ);

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java

@@ -232,7 +232,7 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator<Inve
                             if (session.getOpPermissionLevel() >= 2 && session.getGameMode() == GameMode.CREATIVE) {
                                 // Otherwise insufficient permissions
                                 int blockState = session.getBlockMappings().getJavaBlockState(packet.getBlockRuntimeId());
-                                String blockName = BlockRegistries.JAVA_IDENTIFIERS.get().inverse().getOrDefault(blockState, "");
+                                String blockName = BlockRegistries.JAVA_IDENTIFIERS.get().getOrDefault(blockState, "");
                                 // In the future this can be used for structure blocks too, however not all elements
                                 // are available in each GUI
                                 if (blockName.contains("jigsaw")) {

connector/src/main/java/org/geysermc/connector/network/translators/bedrock/entity/player/BedrockActionTranslator.java

@@ -178,7 +178,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
                 // Account for fire - the client likes to hit the block behind.
                 Vector3i fireBlockPos = BlockUtils.getBlockPosition(packet.getBlockPosition(), packet.getFace());
                 int blockUp = session.getConnector().getWorldManager().getBlockAt(session, fireBlockPos);
-                String identifier = BlockRegistries.JAVA_IDENTIFIERS.get().inverse().get(blockUp);
+                String identifier = BlockRegistries.JAVA_IDENTIFIERS.get().get(blockUp);
                 if (identifier.startsWith("minecraft:fire") || identifier.startsWith("minecraft:soul_fire")) {
                     ClientPlayerActionPacket startBreakingPacket = new ClientPlayerActionPacket(PlayerAction.START_DIGGING, new Position(fireBlockPos.getX(),
                             fireBlockPos.getY(), fireBlockPos.getZ()), BlockFace.values()[packet.getFace()]);

connector/src/main/java/org/geysermc/connector/network/translators/inventory/holder/BlockInventoryHolder.java

@@ -77,7 +77,7 @@ public class BlockInventoryHolder extends InventoryHolder {
         if (checkInteractionPosition(session)) {
             // Then, check to see if the interacted block is valid for this inventory by ensuring the block state identifier is valid
             int javaBlockId = session.getConnector().getWorldManager().getBlockAt(session, session.getLastInteractionBlockPosition());
-            String[] javaBlockString = BlockRegistries.JAVA_IDENTIFIERS.get().inverse().getOrDefault(javaBlockId, "minecraft:air").split("\\[");
+            String[] javaBlockString = BlockRegistries.JAVA_IDENTIFIERS.get().getOrDefault(javaBlockId, "minecraft:air").split("\\[");
             if (isValidBlock(javaBlockString)) {
                 // We can safely use this block
                 inventory.setHolderPosition(session.getLastInteractionBlockPosition());

connector/src/main/java/org/geysermc/connector/network/translators/inventory/translators/chest/DoubleChestInventoryTranslator.java

@@ -54,7 +54,7 @@ public class DoubleChestInventoryTranslator extends ChestInventoryTranslator {
         // See BlockInventoryHolder - same concept there except we're also dealing with a specific block state
         if (session.getLastInteractionPlayerPosition().equals(session.getPlayerEntity().getPosition())) {
             int javaBlockId = session.getConnector().getWorldManager().getBlockAt(session, session.getLastInteractionBlockPosition());
-            String[] javaBlockString = BlockRegistries.JAVA_IDENTIFIERS.get().inverse().getOrDefault(javaBlockId, "minecraft:air").split("\\[");
+            String[] javaBlockString = BlockRegistries.JAVA_IDENTIFIERS.get().getOrDefault(javaBlockId, "minecraft:air").split("\\[");
             if (javaBlockString.length > 1 && (javaBlockString[0].equals("minecraft:chest") || javaBlockString[0].equals("minecraft:trapped_chest"))
                     && !javaBlockString[1].contains("type=single")) {
                 inventory.setHolderPosition(session.getLastInteractionBlockPosition());

connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaBlockChangeTranslator.java

@@ -101,7 +101,7 @@ public class JavaBlockChangeTranslator extends PacketTranslator<ServerBlockChang
                 || lastInteractPos.getZ() != packet.getRecord().getPosition().getZ())) {
             return;
         }
-        String identifier = BlockRegistries.JAVA_IDENTIFIERS.get().inverse().get(packet.getRecord().getBlock());
+        String identifier = BlockRegistries.JAVA_IDENTIFIERS.get().get(packet.getRecord().getBlock());
         session.setInteracting(false);
         BlockSoundInteractionHandler.handleBlockInteraction(session, lastInteractPos.toFloat(), identifier);
     }

connector/src/main/java/org/geysermc/connector/registry/BlockRegistries.java

@@ -25,8 +25,6 @@
 
 package org.geysermc.connector.registry;
 
-import com.google.common.collect.BiMap;
-import com.google.common.collect.HashBiMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import it.unimi.dsi.fastutil.ints.IntSet;
@@ -35,6 +33,7 @@ import org.geysermc.connector.registry.loader.RegistryLoaders;
 import org.geysermc.connector.registry.populator.BlockRegistryPopulator;
 import org.geysermc.connector.registry.type.BlockMapping;
 import org.geysermc.connector.registry.type.BlockMappings;
+import org.geysermc.connector.utils.Object2IntBiMap;
 
 public class BlockRegistries {
     public static final VersionedRegistry<BlockMappings> BLOCKS = VersionedRegistry.create(RegistryLoaders.empty(Int2ObjectOpenHashMap::new));
@@ -43,7 +42,7 @@ public class BlockRegistries {
 
     public static final SimpleMappedRegistry<Integer, BlockMapping> JAVA_BLOCKS = SimpleMappedRegistry.create(RegistryLoaders.empty(Int2ObjectOpenHashMap::new));
 
-    public static final MappedRegistry<String, Integer, BiMap<String, Integer>> JAVA_IDENTIFIERS = MappedRegistry.create(RegistryLoaders.empty(HashBiMap::create));
+    public static final MappedRegistry<String, Integer, Object2IntBiMap<String>> JAVA_IDENTIFIERS = MappedRegistry.create(RegistryLoaders.empty(Object2IntBiMap::new));
 
     public static final SimpleMappedRegistry<Integer, String> JAVA_CLEAN_IDENTIFIERS = SimpleMappedRegistry.create(RegistryLoaders.empty(Int2ObjectOpenHashMap::new));
 

connector/src/main/java/org/geysermc/connector/registry/loader/CollisionRegistryLoader.java

@@ -26,10 +26,10 @@
 package org.geysermc.connector.registry.loader;
 
 import com.fasterxml.jackson.databind.node.ArrayNode;
-import com.google.common.collect.BiMap;
 import it.unimi.dsi.fastutil.Pair;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import lombok.AllArgsConstructor;
 import org.geysermc.connector.GeyserConnector;
 import org.geysermc.connector.network.translators.collision.BoundingBox;
@@ -40,6 +40,7 @@ import org.geysermc.connector.network.translators.collision.translators.OtherCol
 import org.geysermc.connector.network.translators.collision.translators.SolidCollision;
 import org.geysermc.connector.registry.BlockRegistries;
 import org.geysermc.connector.utils.FileUtils;
+import org.geysermc.connector.utils.Object2IntBiMap;
 
 import java.io.InputStream;
 import java.lang.reflect.InvocationTargetException;
@@ -71,16 +72,16 @@ public class CollisionRegistryLoader extends MultiResourceRegistryLoader<String,
             throw new AssertionError("Unable to load collision data", e);
         }
 
-        BiMap<String, Integer> javaIdBlockMap = BlockRegistries.JAVA_IDENTIFIERS.get();
+        Object2IntBiMap<String> javaIdBlockMap = BlockRegistries.JAVA_IDENTIFIERS.get();
 
         // Map of classes that don't change based on parameters that have already been created
         Map<Class<?>, BlockCollision> instantiatedCollision = new HashMap<>();
-        for (Map.Entry<String, Integer> entry : javaIdBlockMap.entrySet()) {
+        for (Object2IntMap.Entry<String> entry : javaIdBlockMap.object2IntEntrySet()) {
-            BlockCollision newCollision = instantiateCollision(entry.getKey(), entry.getValue(), annotationMap, instantiatedCollision, collisionList);
+            BlockCollision newCollision = instantiateCollision(entry.getKey(), entry.getIntValue(), annotationMap, instantiatedCollision, collisionList);
             if (newCollision != null) {
                 instantiatedCollision.put(newCollision.getClass(), newCollision);
             }
-            collisions.put(entry.getValue().intValue(), newCollision);
+            collisions.put(entry.getIntValue(), newCollision);
         }
         return collisions;
     }

connector/src/main/java/org/geysermc/connector/utils/Object2IntBiMap.java

@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.connector.utils;
+
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.ints.IntCollection;
+import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectSet;
+import it.unimi.dsi.fastutil.objects.ObjectSets;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Map;
+import java.util.Objects;
+
+public class Object2IntBiMap<T> implements Object2IntMap<T> {
+    private final Object2IntMap<T> forwards;
+    private final Int2ObjectMap<T> backwards;
+
+    public Object2IntBiMap() {
+        this(16);
+    }
+
+    public Object2IntBiMap(int expected) {
+        this(expected, 0.75F);
+    }
+
+    public Object2IntBiMap(T defaultForwardsValue) {
+        this(16, 0.75F, defaultForwardsValue, -1);
+    }
+
+    public Object2IntBiMap(int expected, float loadFactor) {
+        this(expected, loadFactor, -1);
+    }
+
+    public Object2IntBiMap(int expected, float loadFactor, int defaultBackwardsValue) {
+        this(expected, loadFactor, null, defaultBackwardsValue);
+    }
+
+    public Object2IntBiMap(int expected, float loadFactor, T defaultForwardsValue, int defaultBackwardsValue) {
+        this.forwards = new Object2IntOpenHashMap<>(expected, loadFactor);
+        this.backwards = new Int2ObjectOpenHashMap<>(expected, loadFactor);
+        this.forwards.defaultReturnValue(defaultBackwardsValue);
+        this.backwards.defaultReturnValue(defaultForwardsValue);
+    }
+
+    @Override
+    public int size() {
+        return this.forwards.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return this.forwards.isEmpty();
+    }
+
+    @Override
+    public int getInt(Object o) {
+        return this.forwards.getInt(o);
+    }
+
+    public T get(int key) {
+        return this.backwards.get(key);
+    }
+
+    @Override
+    public int getOrDefault(Object key, int defaultValue) {
+        return this.forwards.getOrDefault(key, defaultValue);
+    }
+
+    public T getOrDefault(int key, T defaultValue) {
+        return this.backwards.getOrDefault(key, defaultValue);
+    }
+
+    @Override
+    public void defaultReturnValue(int i) {
+        this.forwards.defaultReturnValue(i);
+    }
+
+    public void defaultReturnValue(T v) {
+        this.backwards.defaultReturnValue(v);
+    }
+
+    @Override
+    public int defaultReturnValue() {
+        return this.forwards.defaultReturnValue();
+    }
+
+    public T backwardsDefaultReturnValue() {
+        return this.backwards.defaultReturnValue();
+    }
+
+    @Override
+    public ObjectSet<Entry<T>> object2IntEntrySet() {
+        return ObjectSets.unmodifiable(this.forwards.object2IntEntrySet());
+    }
+
+    public ObjectSet<Int2ObjectMap.Entry<T>> int2ObjectEntrySet() {
+        return ObjectSets.unmodifiable(this.backwards.int2ObjectEntrySet());
+    }
+
+    @Override
+    public ObjectSet<T> keySet() {
+        return this.forwards.keySet();
+    }
+
+    @Override
+    public IntCollection values() {
+        return this.forwards.values();
+    }
+
+    @Override
+    public boolean containsKey(Object o) {
+        return this.forwards.containsKey(o);
+    }
+
+    @Override
+    public boolean containsValue(int i) {
+        return this.backwards.containsKey(i);
+    }
+
+    @Override
+    public int put(T key, int value) {
+        this.backwards.put(value, key);
+        return this.forwards.put(key, value);
+    }
+
+    @Override
+    public void putAll(@NotNull Map<? extends T, ? extends Integer> m) {
+        this.forwards.putAll(m);
+        for (Map.Entry<? extends T, ? extends Integer> entry : m.entrySet()) {
+            this.backwards.put((int) entry.getValue(), entry.getKey());
+        }
+    }
+
+    @Override
+    public int removeInt(Object key) {
+        if (!this.forwards.containsKey(key)) {
+            return this.defaultReturnValue();
+        }
+
+        int value = this.forwards.getInt(key);
+        if (!this.backwards.containsKey(value)) {
+            return this.defaultReturnValue();
+        };
+        this.backwards.remove(value);
+        return this.forwards.removeInt(key);
+    }
+
+    @Override
+    public int hashCode() {
+        return this.forwards.hashCode();
+    }
+
+    @Override
+    public String toString() {
+        return this.forwards.toString();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Object2IntBiMap<?> that = (Object2IntBiMap<?>) o;
+        return Objects.equals(this.forwards, that.forwards) && Objects.equals(this.backwards, that.backwards);
+    }
+}