Fix PacketLoginSuccess

src/main/java/ru/nanit/limbo/protocol/ByteMessage.java

@@ -166,7 +166,8 @@ public class ByteMessage extends ByteBuf {
             for (CompoundBinaryTag tag : compoundTags) {
                 BinaryTagIO.writer().write(tag, (OutputStream) stream);
             }
-        } catch (IOException e) {
+        }
+        catch (IOException e) {
             throw new EncoderException("Cannot write NBT CompoundTag");
         }
     }
@@ -174,7 +175,8 @@ public class ByteMessage extends ByteBuf {
     public CompoundBinaryTag readCompoundTag() {
         try (ByteBufInputStream stream = new ByteBufInputStream(buf)) {
             return BinaryTagIO.reader().read((InputStream) stream);
-        } catch (IOException thrown) {
+        }
+        catch (IOException thrown) {
             throw new DecoderException("Cannot read NBT CompoundTag");
         }
     }
@@ -182,11 +184,27 @@ public class ByteMessage extends ByteBuf {
     public void writeCompoundTag(CompoundBinaryTag compoundTag) {
         try (ByteBufOutputStream stream = new ByteBufOutputStream(buf)) {
             BinaryTagIO.writer().write(compoundTag, (OutputStream) stream);
-        } catch (IOException e) {
+        }
+        catch (IOException e) {
             throw new EncoderException("Cannot write NBT CompoundTag");
         }
     }
 
+    public void writeProperties(Property[] properties) {
+        writeVarInt(properties.length);
+        for (Property prop : properties) {
+            writeString(prop.getName());
+            writeString(prop.getValue());
+            if (prop.getSignature() != null) {
+                buf.writeBoolean(true);
+                writeString(prop.getSignature());
+            }
+            else {
+                buf.writeBoolean(false);
+            }
+        }
+    }
+
     /* Delegated methods */
 
     @Override

src/main/java/ru/nanit/limbo/protocol/Property.java

@@ -0,0 +1,38 @@
+package ru.nanit.limbo.protocol;
+
+public class Property {
+
+    private String name;
+    private String value;
+    private String signature;
+
+    public Property(String name, String value, String signature) {
+        this.name = name;
+        this.value = value;
+        this.signature = signature;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+    public String getSignature() {
+        return signature;
+    }
+
+    public void setSignature(String signature) {
+        this.signature = signature;
+    }
+}

src/main/java/ru/nanit/limbo/protocol/packets/login/PacketLoginSuccess.java

@@ -19,6 +19,7 @@ package ru.nanit.limbo.protocol.packets.login;
 
 import ru.nanit.limbo.protocol.ByteMessage;
 import ru.nanit.limbo.protocol.PacketOut;
+import ru.nanit.limbo.protocol.Property;
 import ru.nanit.limbo.protocol.registry.Version;
 
 import java.util.UUID;
@@ -44,6 +45,9 @@ public class PacketLoginSuccess implements PacketOut {
             msg.writeString(uuid.toString());
         }
         msg.writeString(username);
+        if (version.moreOrEqual(Version.V1_19)) {
+            msg.writeProperties(new Property[0]);
+        }
     }
 
     @Override