Добавил еще пяток пакетов, но без обработчика

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java

@@ -45,8 +45,13 @@ public enum State {
     PLAY(3,
             ImmutableBiMap.<Integer, Class<? extends CSPacket>>builder()
                     .put(0x00, TeleportConfirmPacket.class)
+                    .put(0x01, TabCompletePacket.class)
+                    .put(0x02, ChatMessagePacket.class)
                     .put(0x04, ClientSettingsPacket.class)
                     .put(0x09, PluginMessagePacket.class)
+                    .put(0x0E, PlayerPositionAndLookPacket.class)
+                    .put(0x1A, HeldItemChangePacket.class)
+                    .put(0x1D, AnimationPacket.class)
                     .build(),
             ImmutableBiMap.<Class<? extends SCPacket>, Integer>builder()
                     .put(PluginMessagePacket.class, 0x18)

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/AnimationPacket.java

@@ -0,0 +1,17 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-17
+ */
+package mc.core.network.proto_1_12_2.packets;
+
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+public class AnimationPacket implements CSPacket {
+    private int handAnimation;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        this.handAnimation = netStream.readVarInt();
+    }
+}

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/ChatMessagePacket.java

@@ -0,0 +1,17 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-17
+ */
+package mc.core.network.proto_1_12_2.packets;
+
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+public class ChatMessagePacket implements CSPacket {
+    private String message;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        this.message = netStream.readString();
+    }
+}

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/HeldItemChangePacket.java

@@ -0,0 +1,17 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-17
+ */
+package mc.core.network.proto_1_12_2.packets;
+
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+
+public class HeldItemChangePacket implements CSPacket {
+    private int slot;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        this.slot = netStream.readShort();
+    }
+}

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PlayerPositionAndLookPacket.java

@@ -4,9 +4,11 @@
  */
 package mc.core.network.proto_1_12_2.packets;
 
+import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 import mc.core.Location;
+import mc.core.network.CSPacket;
 import mc.core.network.NetStream;
 import mc.core.network.SCPacket;
 import mc.core.player.Look;
@@ -14,11 +16,13 @@ import mc.core.player.Look;
 import java.util.Random;
 
 @NoArgsConstructor
+@Getter
 @Setter
-public class PlayerPositionAndLookPacket implements SCPacket {
+public class PlayerPositionAndLookPacket implements SCPacket, CSPacket {
     private static Random RANDOM = new Random();
     private Location location;
     private Look look;
+    private boolean onGround = false;
 
     @Override
     public void writeSelf(NetStream netStream) {
@@ -34,6 +38,23 @@ public class PlayerPositionAndLookPacket implements SCPacket {
          * Y_ROT - 0x08
          * X_ROT - 0x10
          */
+        //FIXME teleport id
         netStream.writeVarInt(RANDOM.nextInt()); // Client should confirm this packet with Teleport Confirm containing the same Teleport ID
     }
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        this.location = new Location(
+                netStream.readDouble(),
+                netStream.readDouble(),
+                netStream.readDouble()
+        );
+
+        this.look = new Look(
+                netStream.readFloat(),
+                netStream.readFloat()
+        );
+
+        this.onGround = netStream.readBoolean();
+    }
 }

proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/TabCompletePacket.java

@@ -0,0 +1,28 @@
+/*
+ * DmitriyMX <dimon550@gmail.com>
+ * 2018-06-17
+ */
+package mc.core.network.proto_1_12_2.packets;
+
+import mc.core.Location;
+import mc.core.network.CSPacket;
+import mc.core.network.NetStream;
+import mc.core.network.proto_1_12_2.serializers.LocationSerializer;
+
+public class TabCompletePacket implements CSPacket {
+    private String text;
+    private boolean assumeCommand;
+    private boolean hasPosition;
+    private Location location;
+
+    @Override
+    public void readSelf(NetStream netStream) {
+        this.text = netStream.readString();
+        this.assumeCommand = netStream.readBoolean();
+        this.hasPosition = netStream.readBoolean();
+
+        if (this.hasPosition) {
+            this.location = LocationSerializer.deserialize(netStream.readLong());
+        }
+    }
+}