chunks. Still don't work, but hey, it doesn't crash or hang!

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

@@ -158,6 +158,7 @@ public class GeyserSession implements PlayerSession, Player {
                 public void disconnected(DisconnectedEvent event) {
                     loggedIn = false;
                     connector.getLogger().info(authenticationData.getName() + " has disconnected from remote java server on address " + remoteServer.getAddress() + " because of " + event.getReason());
+                    event.getCause().printStackTrace();
                     disconnect(event.getReason());
                 }
 

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

@@ -53,6 +53,7 @@ import com.github.steveice10.mc.protocol.packet.ingame.server.scoreboard.ServerU
 import com.github.steveice10.mc.protocol.packet.ingame.server.window.ServerOpenWindowPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.server.window.ServerSetSlotPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.server.window.ServerWindowItemsPacket;
+import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerChunkDataPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerNotifyClientPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerUpdateTimePacket;
 import com.nukkitx.nbt.CompoundTagBuilder;
@@ -94,12 +95,14 @@ import org.geysermc.connector.network.translators.java.entity.spawn.JavaSpawnPla
 import org.geysermc.connector.network.translators.java.scoreboard.JavaDisplayScoreboardTranslator;
 import org.geysermc.connector.network.translators.java.scoreboard.JavaScoreboardObjectiveTranslator;
 import org.geysermc.connector.network.translators.java.scoreboard.JavaUpdateScoreTranslator;
+import org.geysermc.connector.network.translators.java.world.JavaChunk;
 import org.geysermc.connector.network.translators.java.world.JavaNotifyClientTranslator;
 import org.geysermc.connector.network.translators.java.window.JavaOpenWindowTranslator;
 import org.geysermc.connector.network.translators.java.window.JavaSetSlotTranslator;
 import org.geysermc.connector.network.translators.java.JavaTitleTranslator;
 import org.geysermc.connector.network.translators.java.world.JavaUpdateTimeTranslator;
 import org.geysermc.connector.network.translators.java.window.JavaWindowItemsTranslator;
+import org.geysermc.connector.utils.Chunks;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -158,6 +161,7 @@ public class TranslatorsInit {
         Registry.registerJava(ServerPlayerHealthPacket.class, new JavaPlayerHealthTranslator());
 
         Registry.registerJava(ServerNotifyClientPacket.class, new JavaNotifyClientTranslator());
+        Registry.registerJava(ServerChunkDataPacket.class, new JavaChunk());
         Registry.registerJava(ServerEntityDestroyPacket.class, new JavaEntityDestroyTranslator());
         Registry.registerJava(ServerWindowItemsPacket.class, new JavaWindowItemsTranslator());
         Registry.registerJava(ServerOpenWindowPacket.class, new JavaOpenWindowTranslator());

connector/src/main/java/org/geysermc/connector/network/translators/item/ItemTranslator.java

@@ -26,6 +26,7 @@
 package org.geysermc.connector.network.translators.item;
 
 import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
+import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
 import com.github.steveice10.mc.protocol.data.message.Message;
 import com.github.steveice10.opennbt.tag.builtin.ByteArrayTag;
 import com.github.steveice10.opennbt.tag.builtin.ByteTag;
@@ -53,7 +54,7 @@ import java.util.Map;
 
 public class ItemTranslator {
 
-    public ItemStack translateToJava(ItemData data) {
+    public static ItemStack translateToJava(ItemData data) {
         JavaItem javaItem = getJavaItem(data);
 
         if (data.getTag() == null) {
@@ -62,7 +63,7 @@ public class ItemTranslator {
         return new ItemStack(javaItem.getId(), data.getCount(), translateToJavaNBT(data.getTag()));
     }
 
-    public ItemData translateToBedrock(ItemStack stack) {
+    public static ItemData translateToBedrock(ItemStack stack) {
         // Most likely air if null
         if (stack == null) {
             return ItemData.AIR;
@@ -75,18 +76,24 @@ public class ItemTranslator {
         return ItemData.of(bedrockItem.getId(), (short) bedrockItem.getData(), stack.getAmount(), translateToBedrockNBT(stack.getNBT()));
     }
 
-    public BedrockItem getBedrockItem(ItemStack stack) {
+    public static BedrockItem getBedrockItem(ItemStack stack) {
         Map<String, Object> m = Remapper.JAVA_TO_BEDROCK.get(stack.getId());
         System.out.println(stack.getId());
         return new BedrockItem((String) m.get("name"), (Integer) m.get("id"), (Integer) m.get("data"));
     }
 
-    public JavaItem getJavaItem(ItemData data) {
+    public static JavaItem getJavaItem(ItemData data) {
         Map<String, Object> m = Remapper.BEDROCK_TO_JAVA.get(data.getId()).get(data.getDamage());
         return new JavaItem((String) m.get("name"), (Integer) m.get("id"));
     }
 
-    public String getBedrockIdentifier(String javaIdentifier) {
+    public static BedrockItem getBedrockBlock(BlockState stack) {
+        Map<String, Object> m = Remapper.JAVA_TO_BEDROCK_BLOCKS.get(stack.getId());
+        System.out.println(stack.getId());
+        return new BedrockItem((String) m.get("name"), (Integer) m.get("id"), (Integer) m.get("data"));
+    }
+
+    public static String getBedrockIdentifier(String javaIdentifier) {
         if (!Remapper.JAVA_TO_BEDROCK.containsKey(javaIdentifier)) {
             return javaIdentifier;
         }
@@ -98,7 +105,7 @@ public class ItemTranslator {
         return (String) Remapper.JAVA_TO_BEDROCK.get(javaIdentifier).get("name");
     }
 
-    public String getJavaIdentifier(String bedrockIdentifier, int data) {
+    public static String getJavaIdentifier(String bedrockIdentifier, int data) {
         if (!Remapper.BEDROCK_TO_JAVA.containsKey(bedrockIdentifier)) {
             return bedrockIdentifier;
         }
@@ -106,7 +113,7 @@ public class ItemTranslator {
         return (String) Remapper.BEDROCK_TO_JAVA.get(bedrockIdentifier).get(data).get("name");
     }
 
-    private CompoundTag translateToJavaNBT(com.nukkitx.nbt.tag.CompoundTag tag) {
+    private static CompoundTag translateToJavaNBT(com.nukkitx.nbt.tag.CompoundTag tag) {
         CompoundTag javaTag = new CompoundTag(tag.getName());
         Map<String, Tag> javaValue = javaTag.getValue();
         if (tag.getValue() != null && !tag.getValue().isEmpty()) {
@@ -123,7 +130,7 @@ public class ItemTranslator {
         return javaTag;
     }
 
-    private Tag translateToJavaNBT(com.nukkitx.nbt.tag.Tag tag) {
+    private static Tag translateToJavaNBT(com.nukkitx.nbt.tag.Tag tag) {
         if (tag instanceof com.nukkitx.nbt.tag.ByteArrayTag) {
             com.nukkitx.nbt.tag.ByteArrayTag byteArrayTag = (com.nukkitx.nbt.tag.ByteArrayTag) tag;
             return new ByteArrayTag(byteArrayTag.getName(), byteArrayTag.getValue());
@@ -197,7 +204,7 @@ public class ItemTranslator {
         return null;
     }
 
-    private com.nukkitx.nbt.tag.CompoundTag translateToBedrockNBT(CompoundTag tag) {
+    private static com.nukkitx.nbt.tag.CompoundTag translateToBedrockNBT(CompoundTag tag) {
         Map<String, com.nukkitx.nbt.tag.Tag<?>> javaValue = new HashMap<String, com.nukkitx.nbt.tag.Tag<?>>();
         if (tag.getValue() != null && !tag.getValue().isEmpty()) {
             for (String str : tag.getValue().keySet()) {
@@ -214,7 +221,7 @@ public class ItemTranslator {
         return bedrockTag;
     }
 
-    private com.nukkitx.nbt.tag.Tag translateToBedrockNBT(Tag tag) {
+    private static com.nukkitx.nbt.tag.Tag translateToBedrockNBT(Tag tag) {
         if (tag instanceof ByteArrayTag) {
             ByteArrayTag byteArrayTag = (ByteArrayTag) tag;
             return new com.nukkitx.nbt.tag.ByteArrayTag(byteArrayTag.getName(), byteArrayTag.getValue());

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

@@ -0,0 +1,28 @@
+package org.geysermc.connector.network.translators.java.world;
+
+import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerChunkDataPacket;
+import com.github.steveice10.packetlib.packet.Packet;
+import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
+import org.geysermc.connector.network.session.GeyserSession;
+import org.geysermc.connector.network.translators.PacketTranslator;
+import org.geysermc.connector.utils.Chunks;
+
+public class JavaChunk extends PacketTranslator<ServerChunkDataPacket> {
+    @Override
+    public void translate(ServerChunkDataPacket packet, GeyserSession session) {
+        LevelChunkPacket p = new LevelChunkPacket();
+
+        Chunks.ChunkData data = Chunks.getData(packet.getColumn());
+
+        p.setSubChunksLength(data.count);
+
+        p.setData(data.bytes);
+
+        p.setChunkX(packet.getColumn().getX());
+        p.setChunkZ(packet.getColumn().getZ());
+
+        System.out.println("sent");
+
+        session.getUpstream().sendPacketImmediately(p);
+    }
+}

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

@@ -2,14 +2,18 @@ package org.geysermc.connector.utils;
 
 import com.github.steveice10.mc.protocol.data.game.chunk.Chunk;
 import com.github.steveice10.mc.protocol.data.game.chunk.Column;
+import gnu.trove.list.TByteList;
+import gnu.trove.list.array.TByteArrayList;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
+import org.geysermc.connector.network.translators.item.ItemTranslator;
 
+import java.util.List;
 import java.util.Objects;
 
 public class Chunks {
 
-    public ChunkData getData(Column c) {
+    public static ChunkData getData(Column c) {
         Objects.requireNonNull(c);
 
         int count = 0;
@@ -20,7 +24,51 @@ public class Chunks {
             }
         }
 
-        return null;
+        int block = 0;
+
+        TByteList list = new TByteArrayList(4096 * 4);
+
+        for(int i = 0; i < 256; i++) {
+            list.add((byte) 0);
+        }
+
+        for(Chunk chunk : c.getChunks()) {
+            if (chunk != null) {
+                list.add((byte) 0);
+                for (int x = 0; x < 16; x++) {
+                    for (int y = 0; x < 16; x++) {
+                        for (int z = 0; x < 16; x++) {
+                            try {
+                                list.add((byte) ItemTranslator.getBedrockBlock(chunk.getBlocks().get(x, y, z)).getId());
+                            } catch (NullPointerException e) {
+                                list.add((byte) 0);
+                            }
+
+                            block++;
+                        }
+                    }
+                }
+
+                for (int x = 0; x < 16; x++) {
+                    for (int y = 0; x < 16; x++) {
+                        for (int z = 0; x < 16; x++) {
+                            try {
+                                list.add((byte) ItemTranslator.getBedrockBlock(chunk.getBlocks().get(x, y, z)).getData());
+                            } catch (NullPointerException e) {
+                                list.add((byte) 0);
+                            }
+
+                            block++;
+                        }
+                    }
+                }
+            }
+        }
+
+        list.add((byte) 0);
+        list.add((byte) 0);
+
+        return new ChunkData(count, list.toArray());
     }
 
     @AllArgsConstructor(access = AccessLevel.PACKAGE)