Implement multi-block chunk updates

connector/src/main/java/org/geysermc/connector/network/translators/TranslatorsInit.java

@@ -176,6 +176,7 @@ public class TranslatorsInit {
         Registry.registerJava(ServerDisplayScoreboardPacket.class, new JavaDisplayScoreboardTranslator());
         Registry.registerJava(ServerUpdateScorePacket.class, new JavaUpdateScoreTranslator());
         Registry.registerJava(ServerBlockChangePacket.class, new JavaBlockChangeTranslator());
+        Registry.registerJava(ServerMultiBlockChangePacket.class, new JavaMultiBlockChangeTranslator());
 
         Registry.registerBedrock(AnimatePacket.class, new BedrockAnimateTranslator());
         Registry.registerBedrock(CommandRequestPacket.class, new BedrockCommandRequestTranslator());

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

@@ -4,29 +4,26 @@ import com.flowpowered.math.vector.Vector3i;
 import com.github.steveice10.mc.protocol.data.game.world.block.BlockChangeRecord;
 import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerBlockChangePacket;
 import com.nukkitx.protocol.bedrock.packet.UpdateBlockPacket;
-import org.geysermc.api.Geyser;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.PacketTranslator;
+import org.geysermc.connector.network.translators.TranslatorsInit;
 import org.geysermc.connector.network.translators.item.BedrockItem;
-import org.geysermc.connector.network.translators.item.ItemTranslator;
 import org.geysermc.connector.world.GlobalBlockPalette;
 
 public class JavaBlockChangeTranslator extends PacketTranslator<ServerBlockChangePacket> {
     @Override
     public void translate(ServerBlockChangePacket packet, GeyserSession session) {
-        UpdateBlockPacket pack = new UpdateBlockPacket();
+        UpdateBlockPacket updateBlockPacket = new UpdateBlockPacket();
-
         BlockChangeRecord record = packet.getRecord();
+        updateBlockPacket.setDataLayer(0);
+        updateBlockPacket.setBlockPosition(new Vector3i(
+                record.getPosition().getX(),
+                record.getPosition().getY(),
+                record.getPosition().getZ()));
 
-        BedrockItem i = new ItemTranslator().getBedrockBlock(record.getBlock());
+        BedrockItem bedrockItem = TranslatorsInit.getItemTranslator().getBedrockBlock(record.getBlock());
+        updateBlockPacket.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(bedrockItem.hashCode()));
 
-        pack.setDataLayer(0);
+        session.getUpstream().sendPacket(updateBlockPacket);
-        pack.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(i.hashCode()));
-        pack.setBlockPosition(new Vector3i(
-                record.getPosition().getX()
-                , record.getPosition().getY()
-                , record.getPosition().getZ()));
-
-        session.getUpstream().sendPacket(pack);
     }
 }

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

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2019 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.java.world;
+
+import com.flowpowered.math.vector.Vector3i;
+import com.github.steveice10.mc.protocol.data.game.world.block.BlockChangeRecord;
+import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerMultiBlockChangePacket;
+import com.nukkitx.protocol.bedrock.packet.UpdateBlockPacket;
+import org.geysermc.connector.network.session.GeyserSession;
+import org.geysermc.connector.network.translators.PacketTranslator;
+import org.geysermc.connector.network.translators.TranslatorsInit;
+import org.geysermc.connector.network.translators.item.BedrockItem;
+import org.geysermc.connector.world.GlobalBlockPalette;
+
+public class JavaMultiBlockChangeTranslator extends PacketTranslator<ServerMultiBlockChangePacket> {
+
+    @Override
+    public void translate(ServerMultiBlockChangePacket packet, GeyserSession session) {
+        for (BlockChangeRecord record : packet.getRecords()) {
+            UpdateBlockPacket updateBlockPacket = new UpdateBlockPacket();
+            updateBlockPacket.setDataLayer(0);
+            updateBlockPacket.setBlockPosition(new Vector3i(
+                    record.getPosition().getX(),
+                    record.getPosition().getY(),
+                    record.getPosition().getZ()));
+
+            BedrockItem bedrockItem = TranslatorsInit.getItemTranslator().getBedrockBlock(record.getBlock());
+            updateBlockPacket.setRuntimeId(GlobalBlockPalette.getOrCreateRuntimeId(bedrockItem.hashCode()));
+
+            session.getUpstream().sendPacket(updateBlockPacket);
+        }
+    }
+}