Get chunks working to some degree.

connector/src/main/java/org/geysermc/connector/entity/Entity.java

@@ -29,6 +29,8 @@ import com.flowpowered.math.vector.Vector3f;
 import com.github.steveice10.mc.protocol.packet.ingame.server.entity.ServerEntityPropertiesPacket;
 import com.nukkitx.protocol.bedrock.data.EntityData;
 import com.nukkitx.protocol.bedrock.data.EntityDataDictionary;
+import com.nukkitx.protocol.bedrock.data.EntityFlag;
+import com.nukkitx.protocol.bedrock.data.EntityFlags;
 import com.nukkitx.protocol.bedrock.packet.AddEntityPacket;
 import com.nukkitx.protocol.bedrock.packet.RemoveEntityPacket;
 import com.nukkitx.protocol.bedrock.packet.UpdateAttributesPacket;
@@ -41,12 +43,7 @@ import org.geysermc.connector.entity.type.EntityType;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.utils.AttributeUtils;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
 
 @Getter
 @Setter
@@ -139,6 +136,9 @@ public class Entity {
 
 
     public EntityDataDictionary getMetadata() {
+        EntityFlags flags = new EntityFlags();
+        flags.setFlag(EntityFlag.HAS_GRAVITY, true);
+
         EntityDataDictionary dictionary = new EntityDataDictionary();
         dictionary.put(EntityData.NAMETAG, "");
         dictionary.put(EntityData.ENTITY_AGE, 0);
@@ -147,6 +147,7 @@ public class Entity {
         dictionary.put(EntityData.AIR, (short) 0);
         dictionary.put(EntityData.BOUNDING_BOX_HEIGHT, entityType.getHeight());
         dictionary.put(EntityData.BOUNDING_BOX_WIDTH, entityType.getWidth());
+        dictionary.putFlags(flags);
         return dictionary;
     }
 

connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java

@@ -26,6 +26,7 @@
 package org.geysermc.connector.network.session;
 
 import com.flowpowered.math.vector.Vector2f;
+import com.flowpowered.math.vector.Vector2i;
 import com.flowpowered.math.vector.Vector3f;
 import com.flowpowered.math.vector.Vector3i;
 import com.github.steveice10.mc.auth.exception.request.RequestException;
@@ -47,7 +48,6 @@ import com.nukkitx.protocol.bedrock.packet.StartGamePacket;
 import com.nukkitx.protocol.bedrock.packet.TextPacket;
 import lombok.Getter;
 import lombok.Setter;
-import org.geysermc.api.Geyser;
 import org.geysermc.api.Player;
 import org.geysermc.api.RemoteServer;
 import org.geysermc.api.session.AuthData;
@@ -56,11 +56,7 @@ import org.geysermc.connector.GeyserConnector;
 import org.geysermc.connector.entity.PlayerEntity;
 import org.geysermc.connector.entity.type.EntityType;
 import org.geysermc.connector.inventory.PlayerInventory;
-import org.geysermc.connector.network.session.cache.DataCache;
+import org.geysermc.connector.network.session.cache.*;
-import org.geysermc.connector.network.session.cache.EntityCache;
-import org.geysermc.connector.network.session.cache.InventoryCache;
-import org.geysermc.connector.network.session.cache.ScoreboardCache;
-import org.geysermc.connector.network.session.cache.WindowCache;
 import org.geysermc.connector.network.translators.Registry;
 import org.geysermc.connector.utils.Toolbox;
 
@@ -87,6 +83,9 @@ public class GeyserSession implements PlayerSession, Player {
 
     private DataCache<Packet> javaPacketCache;
 
+    @Setter
+    private Vector2i lastChunkPosition = null;
+
     private boolean loggedIn;
 
     @Setter

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

@@ -1,8 +1,11 @@
 package org.geysermc.connector.network.translators.java.world;
 
+import com.flowpowered.math.vector.Vector2i;
+import com.flowpowered.math.vector.Vector3f;
 import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerChunkDataPacket;
 import com.nukkitx.network.VarInts;
 import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
+import com.nukkitx.protocol.bedrock.packet.NetworkChunkPublisherUpdatePacket;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import org.geysermc.api.Geyser;
@@ -18,6 +21,19 @@ public class JavaChunkDataTranslator extends PacketTranslator<ServerChunkDataPac
     public void translate(ServerChunkDataPacket packet, GeyserSession session) {
         // Not sure if this is safe or not, however without this the client usually times out
         Geyser.getConnector().getGeneralThreadPool().execute(() -> {
+            Vector2i chunkPos = session.getLastChunkPosition();
+            Vector3f position = session.getPlayerEntity().getPosition();
+            Vector2i newChunkPos = Vector2i.from(position.getFloorX() >> 4, position.getFloorZ() >> 4);
+
+            if (chunkPos == null || !chunkPos.equals(newChunkPos)) {
+                NetworkChunkPublisherUpdatePacket chunkPublisherUpdatePacket = new NetworkChunkPublisherUpdatePacket();
+                chunkPublisherUpdatePacket.setPosition(position.toInt());
+                chunkPublisherUpdatePacket.setRadius(8 << 4);
+                session.getUpstream().sendPacket(chunkPublisherUpdatePacket);
+
+                session.setLastChunkPosition(newChunkPos);
+            }
+
             try {
                 ChunkUtils.ChunkData chunkData = ChunkUtils.translateToBedrock(packet.getColumn());
                 ByteBuf byteBuf = Unpooled.buffer(32);