fix Handshake and State

src/main/java/mc/core/netty/State.java

@@ -6,7 +6,6 @@ package mc.core.netty;
 
 import com.google.common.collect.BiMap;
 import com.google.common.collect.ImmutableBiMap;
-import com.google.common.collect.ImmutableMap;
 import io.netty.util.AttributeKey;
 import lombok.Getter;
 import mc.core.Packet;
@@ -14,15 +13,15 @@ import mc.core.netty.packets.HandshakeRequestPacket;
 import mc.core.netty.packets.PingPacket;
 
 import java.util.Arrays;
-import java.util.Map;
 import java.util.Optional;
 
 public enum State {
+    Unknown(0, ImmutableBiMap.of()),
     Handshaking(1, ImmutableBiMap.of(
             0, HandshakeRequestPacket.class,
             1, PingPacket.class
-    )),
-    Status(0, ImmutableBiMap.of(1, PingPacket.class));
+    ));
+    //Login(2, ...)
 
     public static final AttributeKey<State> ATTR_STATE = AttributeKey.newInstance("ATTR_STATE");
 

src/main/java/mc/core/netty/packets/HandshakeRequestPacket.java

@@ -6,6 +6,7 @@ package mc.core.netty.packets;
 
 import lombok.Getter;
 import lombok.ToString;
+import lombok.extern.slf4j.Slf4j;
 import mc.core.NetStream;
 import mc.core.NotSupportException;
 import mc.core.Packet;
@@ -14,6 +15,7 @@ import mc.core.netty.UnknowState;
 
 import static mc.core.netty.Utils.*;
 
+@Slf4j
 @Getter
 @ToString
 public class HandshakeRequestPacket implements Packet {
@@ -22,6 +24,7 @@ public class HandshakeRequestPacket implements Packet {
     private String serverAddress;
     private int serverPort;
     private State nextState;
+    private String nickname;
     private int size;
 
     @Override
@@ -40,8 +43,11 @@ public class HandshakeRequestPacket implements Packet {
         serverAddress = netStream.readString();
         serverPort = netStream.readUnsignedShort();
         final int nextStateInt = netStream.readVarInt();
-        nextState = State.getById(nextStateInt).orElseThrow(() -> new UnknowState(nextStateInt));
-        netStream.skipBytes(2); //TODO magic
+        nextState = State.getById(nextStateInt).orElseGet(() -> {
+            log.warn("Unknown state: {}", nextStateInt);
+            return State.Unknown;
+        });
+        nickname = netStream.readString();
 
         size = lengthVarInt(id)
                 + lengthVarInt(protocolVersion)