20w12a

common/src/main/java/us/myles/ViaVersion/api/protocol/ProtocolVersion.java

@@ -80,7 +80,7 @@ public class ProtocolVersion {
         register(v1_15 = new ProtocolVersion(573, "1.15"));
         register(v1_15_1 = new ProtocolVersion(575, "1.15.1"));
         register(v1_15_2 = new ProtocolVersion(578, "1.15.2"));
-        register(v1_16 = new ProtocolVersion(706, "1.16"));
+        register(v1_16 = new ProtocolVersion(707, "1.16"));
 
         register(unknown = new ProtocolVersion(-1, "UNKNOWN"));
     }

common/src/main/java/us/myles/ViaVersion/api/type/Type.java

@@ -81,6 +81,7 @@ public abstract class Type<T> implements ByteBufReader<T>, ByteBufWriter<T> {
     public static final Type<String[]> STRING_ARRAY = new ArrayType<>(Type.STRING);
 
     public static final Type<UUID> UUID = new UUIDType();
+    public static final Type<UUID> UUID_INT_ARRAY = new UUIDIntArrayType();
     public static final Type<UUID[]> UUID_ARRAY = new ArrayType<>(Type.UUID);
     /* Variable Types */
     public static final Type<Integer> VAR_INT = new VarIntType();

common/src/main/java/us/myles/ViaVersion/api/type/types/UUIDIntArrayType.java

@@ -0,0 +1,42 @@
+package us.myles.ViaVersion.api.type.types;
+
+import io.netty.buffer.ByteBuf;
+import us.myles.ViaVersion.api.type.Type;
+
+import java.util.UUID;
+
+public class UUIDIntArrayType extends Type<UUID> {
+
+    public UUIDIntArrayType() {
+        super(UUID.class);
+    }
+
+    @Override
+    public UUID read(ByteBuf buffer) {
+        int[] ints = new int[4];
+        for (int i = 0; i < 4; ++i) {
+            ints[i] = buffer.readInt();
+        }
+        return uuidFromIntArray(ints);
+    }
+
+    @Override
+    public void write(ByteBuf buffer, UUID object) {
+        int[] ints = uuidToIntArray(object);
+        for (int i = 0; i < 4; i++) {
+            buffer.writeInt(ints[i]);
+        }
+    }
+
+    public static UUID uuidFromIntArray(int[] ints) {
+        return new UUID((long) ints[0] << 32 | ((long) ints[1] & 0xFFFFFFFFL), (long) ints[2] << 32 | ((long) ints[3] & 0xFFFFFFFFL));
+    }
+
+    public static int[] uuidToIntArray(UUID uuid) {
+        return bitsToIntArray(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits());
+    }
+
+    public static int[] bitsToIntArray(long long1, long long2) {
+        return new int[]{(int) (long1 >> 32), (int) long1, (int) (long2 >> 32), (int) long2};
+    }
+}

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_16to1_15_2/Protocol1_16To1_15_2.java

@@ -14,6 +14,8 @@ import us.myles.ViaVersion.protocols.protocol1_16to1_15_2.packets.WorldPackets;
 import us.myles.ViaVersion.protocols.protocol1_16to1_15_2.storage.EntityTracker1_16;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 
+import java.util.UUID;
+
 public class Protocol1_16To1_15_2 extends Protocol {
 
     @Override
@@ -25,6 +27,18 @@ public class Protocol1_16To1_15_2 extends Protocol {
         WorldPackets.register(this);
         InventoryPackets.register(this);
 
+        // Login Success
+        registerOutgoing(State.LOGIN, 0x02, 0x02, new PacketRemapper() {
+            @Override
+            public void registerMap() {
+                handler(wrapper -> {
+                    // Transform string to int array
+                    UUID uuid = UUID.fromString(wrapper.read(Type.STRING));
+                    wrapper.write(Type.UUID_INT_ARRAY, uuid);
+                });
+            }
+        });
+
         // Entity Sound Effect
         registerOutgoing(State.PLAY, 0x51, 0x51, new PacketRemapper() {
             @Override
@@ -123,6 +137,19 @@ public class Protocol1_16To1_15_2 extends Protocol {
                 });
             }
         });
+
+        registerOutgoing(State.PLAY, 0x43, 0x44);
+
+        registerOutgoing(State.PLAY, 0x45, 0x46);
+        registerOutgoing(State.PLAY, 0x46, 0x47);
+
+        registerOutgoing(State.PLAY, 0x48, 0x49);
+        registerOutgoing(State.PLAY, 0x49, 0x4A);
+        registerOutgoing(State.PLAY, 0x4A, 0x4B);
+        registerOutgoing(State.PLAY, 0x4B, 0x4C);
+        registerOutgoing(State.PLAY, 0x4C, 0x4D);
+        registerOutgoing(State.PLAY, 0x4D, 0x4E);
+        registerOutgoing(State.PLAY, 0x4E, 0x43);
     }
 
     public static int getNewBlockStateId(int id) {

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_16to1_15_2/packets/EntityPackets.java

@@ -21,7 +21,7 @@ public class EntityPackets {
         metadataRewriter.registerTracker(0x05, 0x05, Entity1_16Types.EntityType.PLAYER);
 
         // Metadata
-        metadataRewriter.registerMetadataRewriter(0x44, 0x44, Types1_14.METADATA_LIST);
+        metadataRewriter.registerMetadataRewriter(0x44, 0x45, Types1_14.METADATA_LIST);
 
         // Entity Destroy
         metadataRewriter.registerEntityDestroy(0x38, 0x38);

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_16to1_15_2/packets/InventoryPackets.java

@@ -60,7 +60,7 @@ public class InventoryPackets {
         itemRewriter.registerSetSlot(Type.FLAT_VAR_INT_ITEM, 0x17, 0x17);
 
         // Entity Equipment Packet
-        itemRewriter.registerEntityEquipment(Type.FLAT_VAR_INT_ITEM, 0x47, 0x47);
+        itemRewriter.registerEntityEquipment(Type.FLAT_VAR_INT_ITEM, 0x47, 0x48);
 
         // Declare Recipes
         protocol.registerOutgoing(State.PLAY, 0x5B, 0x5B, new PacketRemapper() {