Added mob spawner block entity data (#587)

connector/src/main/java/org/geysermc/connector/entity/type/EntityType.java

@@ -160,6 +160,8 @@ public enum EntityType {
      */
     ILLUSIONER(AbstractIllagerEntity.class, 114, 1.8f, 0.6f, 0.6f, 1.62f, "minecraft:pillager");
 
+    private static final EntityType[] VALUES = values();
+
     private Class<? extends Entity> entityClass;
     private final int type;
     private final float height;
@@ -195,4 +197,14 @@ public enum EntityType {
         this.offset = offset + 0.00001f;
         this.identifier = identifier;
     }
+
+    public static EntityType getFromIdentifier(String identifier) {
+        for (EntityType type : VALUES) {
+            if (type.identifier.equals(identifier)) {
+                return type;
+            }
+        }
+
+        return null;
+    }
 }

connector/src/main/java/org/geysermc/connector/network/translators/world/block/entity/SpawnerBlockEntityTranslator.java

@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2019-2020 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.network.translators.world.block.entity;
+
+import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.nukkitx.nbt.CompoundTagBuilder;
+import com.nukkitx.nbt.tag.*;
+import org.geysermc.connector.entity.type.EntityType;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@BlockEntity(name = "MobSpawner", regex = "mob_spawner")
+public class SpawnerBlockEntityTranslator extends BlockEntityTranslator {
+
+    @Override
+    public List<Tag<?>> translateTag(CompoundTag tag, BlockState blockState) {
+        List<Tag<?>> tags = new ArrayList<>();
+
+        if (tag.get("MaxNearbyEntities") != null) {
+            tags.add(new ShortTag("MaxNearbyEntities", (short) tag.get("MaxNearbyEntities").getValue()));
+        }
+
+        if (tag.get("RequiredPlayerRange") != null) {
+            tags.add(new ShortTag("RequiredPlayerRange", (short) tag.get("RequiredPlayerRange").getValue()));
+        }
+
+        if (tag.get("SpawnCount") != null) {
+            tags.add(new ShortTag("SpawnCount", (short) tag.get("SpawnCount").getValue()));
+        }
+
+        if (tag.get("MaxSpawnDelay") != null) {
+            tags.add(new ShortTag("MaxSpawnDelay", (short) tag.get("MaxSpawnDelay").getValue()));
+        }
+
+        if (tag.get("Delay") != null) {
+            tags.add(new ShortTag("Delay", (short) tag.get("Delay").getValue()));
+        }
+
+        if (tag.get("SpawnRange") != null) {
+            tags.add(new ShortTag("SpawnRange", (short) tag.get("SpawnRange").getValue()));
+        }
+
+        if (tag.get("MinSpawnDelay") != null) {
+            tags.add(new ShortTag("MinSpawnDelay", (short) tag.get("MinSpawnDelay").getValue()));
+        }
+
+        if (tag.get("SpawnData") != null) {
+            CompoundTag spawnData = tag.get("SpawnData");
+            String entityID = (String) spawnData.get("id").getValue();
+            tags.add(new StringTag("EntityIdentifier", entityID));
+
+            EntityType type = EntityType.getFromIdentifier(entityID);
+            if (type != null) {
+                tags.add(new FloatTag("DisplayEntityWidth", type.getWidth()));
+                tags.add(new FloatTag("DisplayEntityHeight", type.getHeight()));
+                tags.add(new FloatTag("DisplayEntityScale", 1.0f));
+            }
+        }
+
+        tags.add(new StringTag("id", "MobSpawner"));
+        tags.add(new ByteTag("isMovable", (byte) 1));
+
+        return tags;
+    }
+
+    @Override
+    public CompoundTag getDefaultJavaTag(String javaId, int x, int y, int z) {
+        return null;
+    }
+
+    @Override
+    public com.nukkitx.nbt.tag.CompoundTag getDefaultBedrockTag(String bedrockId, int x, int y, int z) {
+        CompoundTagBuilder tagBuilder = getConstantBedrockTag(bedrockId, x, y, z).toBuilder();
+        tagBuilder.byteTag("isMovable", (byte) 1)
+                .stringTag("id", "MobSpawner");
+
+        return tagBuilder.buildRootTag();
+    }
+}