Player info packet

src/main/java/mc/core/network/NetStream.java

@@ -25,6 +25,7 @@ public abstract class NetStream {
     public abstract void writeBoolean(boolean value);
     public abstract void writeByte(int value);
     public abstract void writeBytes(byte[] buffer);
+    public abstract void writeShort(int value);
     public abstract void writeInt(int value);
     public abstract void writeFloat(float value);
     public abstract void writeDouble(double value);

src/main/java/mc/core/network/proto_125/ByteArrayOutputNetStream.java

@@ -69,6 +69,12 @@ public class ByteArrayOutputNetStream extends NetStream_p125 {
         baos.write(buffer, 0, buffer.length);
     }
 
+    @Override
+    public void writeShort(int value) {
+        baos.write((byte) value >>> 8);
+        baos.write((byte) value);
+    }
+
     @Override
     public void writeInt(int value) {
         baos.write((byte) value >>> 24);

src/main/java/mc/core/network/proto_125/netty/PacketHandler.java

@@ -88,6 +88,13 @@ public class PacketHandler extends SimpleChannelInboundHandler<CSPacket> {
         abilitiesPkt.setInstantDestroyBlocks(true);
         channel.write(abilitiesPkt);
 
+        // send Player info
+        PlayerInfoPacket infoPkt = new PlayerInfoPacket();
+        infoPkt.setPlayerName(player.getName());
+        infoPkt.setOnline(true);
+        infoPkt.setPing(4);
+        channel.write(infoPkt);
+
         PositionAndLookPacket pkt = new PositionAndLookPacket();
         pkt.setLocation(new Location(0, 0, 0));
         pkt.setStance(0);

src/main/java/mc/core/network/proto_125/netty/wrappers/WrapperNetStream.java

@@ -71,6 +71,11 @@ public class WrapperNetStream extends NetStream_p125 {
         byteBuf.writeBytes(buffer);
     }
 
+    @Override
+    public void writeShort(int value) {
+        byteBuf.writeShort(value);
+    }
+
     @Override
     public void writeInt(int value) {
         byteBuf.writeInt(value);

src/main/java/mc/core/network/proto_125/packets/PacketManager.java

@@ -16,6 +16,7 @@ public class PacketManager {
             .put(0x02, HandshakePacket.class)
             .put(0x06, SpawnPositionPacket.class)
             .put(0x0D, PositionAndLookPacket.class)
+            .put(0xC9, PlayerInfoPacket.class)
             .put(0xCA, PlayerAbilitiesPacket.class)
             .put(0xFE, PingPacket.class)
             .put(0xFF, KickPacket.class)

src/main/java/mc/core/network/proto_125/packets/PlayerInfoPacket.java

@@ -0,0 +1,29 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-04-19
+ */
+package mc.core.network.proto_125.packets;
+
+import lombok.Setter;
+import lombok.ToString;
+import mc.core.network.SCPacket;
+import mc.core.network.proto_125.ByteArrayOutputNetStream;
+
+@Setter
+@ToString
+public class PlayerInfoPacket implements SCPacket {
+    private String playerName;
+    private boolean online;
+    private int ping;
+
+    @Override
+    public byte[] toByteArray() {
+        ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
+
+        netStream.writeString(playerName);
+        netStream.writeBoolean(online);
+        netStream.writeShort(ping);
+
+        return netStream.toByteArray();
+    }
+}