Start implementing frogs. Ribbit.

core/src/main/java/org/geysermc/geyser/entity/EntityDefinitions.java

@@ -89,6 +89,7 @@ public final class EntityDefinitions {
     public static final EntityDefinition<FireworkEntity> FIREWORK_ROCKET;
     public static final EntityDefinition<FishingHookEntity> FISHING_BOBBER;
     public static final EntityDefinition<FoxEntity> FOX;
+    public static final EntityDefinition<FrogEntity> FROG;
     public static final EntityDefinition<FurnaceMinecartEntity> FURNACE_MINECART; // Not present on Bedrock
     public static final EntityDefinition<GhastEntity> GHAST;
     public static final EntityDefinition<GiantEntity> GIANT;
@@ -740,6 +741,12 @@ public final class EntityDefinitions {
                     .addTranslator(null) // Trusted player 1
                     .addTranslator(null) // Trusted player 2
                     .build();
+            FROG = EntityDefinition.inherited(FrogEntity::new, ageableEntityBase)
+                    .type(EntityType.FROG)
+                    .heightAndWidth(0.5f)
+                    .addTranslator(MetadataType.FROG_VARIANT, FrogEntity::setFrogVariant)
+                    .addTranslator(MetadataType.OPTIONAL_VARINT, FrogEntity::setTongueTarget)
+                    .build();
             HOGLIN = EntityDefinition.inherited(HoglinEntity::new, ageableEntityBase)
                     .type(EntityType.HOGLIN)
                     .height(1.4f).width(1.3965f)

core/src/main/java/org/geysermc/geyser/entity/GeyserDirtyMetadata.java

@@ -52,4 +52,9 @@ public final class GeyserDirtyMetadata {
     public boolean hasEntries() {
         return !metadata.isEmpty();
     }
+
+    @Override
+    public String toString() {
+        return metadata.toString();
+    }
 }

core/src/main/java/org/geysermc/geyser/entity/type/living/animal/FrogEntity.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2019-2022 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.geyser.entity.type.living.animal;
+
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.Pose;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.IntEntityMetadata;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.ObjectEntityMetadata;
+import com.nukkitx.math.vector.Vector3f;
+import com.nukkitx.protocol.bedrock.data.entity.EntityData;
+import com.nukkitx.protocol.bedrock.data.entity.EntityFlag;
+import org.geysermc.geyser.entity.EntityDefinition;
+import org.geysermc.geyser.entity.type.Entity;
+import org.geysermc.geyser.session.GeyserSession;
+
+import java.util.OptionalInt;
+import java.util.UUID;
+
+public class FrogEntity extends AnimalEntity {
+    public FrogEntity(GeyserSession session, int entityId, long geyserId, UUID uuid, EntityDefinition<?> definition, Vector3f position, Vector3f motion, float yaw, float pitch, float headYaw) {
+        super(session, entityId, geyserId, uuid, definition, position, motion, yaw, pitch, headYaw);
+    }
+
+    @Override
+    public void setPose(Pose pose) {
+        setFlag(EntityFlag.JUMP_GOAL_JUMP, pose == Pose.LONG_JUMPING);
+        //TODO croaking and tongue using
+        super.setPose(pose);
+    }
+
+    public void setFrogVariant(IntEntityMetadata entityMetadata) {
+        dirtyMetadata.put(EntityData.VARIANT, entityMetadata.getPrimitiveValue());
+    }
+
+    public void setTongueTarget(ObjectEntityMetadata<OptionalInt> entityMetadata) {
+        OptionalInt entityId = entityMetadata.getValue();
+        if (entityId.isPresent()) {
+            Entity entity = session.getEntityCache().getEntityByJavaId(entityId.getAsInt());
+            if (entity != null) {
+                dirtyMetadata.put(EntityData.TARGET_EID, entity.getGeyserId());
+            }
+        } else {
+            dirtyMetadata.put(EntityData.TARGET_EID, 0L);
+        }
+    }
+}