Rework protocol system

protocol/src/main/java/net/md_5/bungee/protocol/Forge.java

@@ -0,0 +1,25 @@
+package net.md_5.bungee.protocol;
+
+import io.netty.buffer.ByteBuf;
+import lombok.Getter;
+import net.md_5.bungee.protocol.packet.DefinedPacket;
+
+public class Forge extends Vanilla
+{
+
+    @Getter
+    private static final Forge instance = new Forge();
+
+    @Override
+    public DefinedPacket read(short packetId, ByteBuf buf)
+    {
+        int start = buf.readerIndex();
+        DefinedPacket packet = read( packetId, buf, this );
+        if ( buf.readerIndex() == start )
+        {
+            packet = super.read( packetId, buf );
+        }
+
+        return packet;
+    }
+}

protocol/src/main/java/net/md_5/bungee/protocol/OpCode.java

@@ -0,0 +1,7 @@
+package net.md_5.bungee.protocol;
+
+public enum OpCode
+{
+
+    BOOLEAN, BULK_CHUNK, BYTE, BYTE_INT, DOUBLE, FLOAT, INT, INT_3, INT_BYTE, ITEM, LONG, METADATA, OPTIONAL_MOTION, SHORT, SHORT_BYTE, SHORT_ITEM, STRING, USHORT_BYTE
+}

protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java

@@ -0,0 +1,20 @@
+package net.md_5.bungee.protocol;
+
+import io.netty.buffer.ByteBuf;
+import java.lang.reflect.Constructor;
+import net.md_5.bungee.protocol.packet.DefinedPacket;
+import net.md_5.bungee.protocol.skip.PacketReader;
+
+public interface Protocol
+{
+
+    PacketReader getSkipper();
+
+    DefinedPacket read(short packetId, ByteBuf buf);
+
+    OpCode[][] getOpCodes();
+
+    Class<? extends DefinedPacket>[] getClasses();
+
+    Constructor<? extends DefinedPacket>[] getConstructors();
+}

protocol/src/main/java/net/md_5/bungee/protocol/Vanilla.java

@@ -1,23 +1,125 @@
 package net.md_5.bungee.protocol;
 
-import static net.md_5.bungee.protocol.PacketDefinitions.OpCode.*;
+import io.netty.buffer.ByteBuf;
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import lombok.Getter;
+import static net.md_5.bungee.protocol.OpCode.*;
+import net.md_5.bungee.protocol.packet.DefinedPacket;
+import net.md_5.bungee.protocol.packet.Packet0KeepAlive;
+import net.md_5.bungee.protocol.packet.Packet1Login;
+import net.md_5.bungee.protocol.packet.Packet2Handshake;
+import net.md_5.bungee.protocol.packet.Packet3Chat;
+import net.md_5.bungee.protocol.packet.Packet9Respawn;
+import net.md_5.bungee.protocol.packet.PacketC9PlayerListItem;
+import net.md_5.bungee.protocol.packet.PacketCCSettings;
+import net.md_5.bungee.protocol.packet.PacketCDClientStatus;
+import net.md_5.bungee.protocol.packet.PacketCEScoreboardObjective;
+import net.md_5.bungee.protocol.packet.PacketCFScoreboardScore;
+import net.md_5.bungee.protocol.packet.PacketD0DisplayScoreboard;
+import net.md_5.bungee.protocol.packet.PacketD1Team;
+import net.md_5.bungee.protocol.packet.PacketFAPluginMessage;
+import net.md_5.bungee.protocol.packet.PacketFCEncryptionResponse;
+import net.md_5.bungee.protocol.packet.PacketFDEncryptionRequest;
+import net.md_5.bungee.protocol.packet.PacketFEPing;
+import net.md_5.bungee.protocol.packet.PacketFFKick;
+import net.md_5.bungee.protocol.skip.PacketReader;
 
-public class PacketDefinitions
+public class Vanilla implements Protocol
 {
 
     public static final byte PROTOCOL_VERSION = 61;
     public static final String GAME_VERSION = "1.5.2";
-    public static final OpCode[][] opCodes = new OpCode[ 512 ][];
+    public static final Vanilla INSTANCE = new Vanilla();
-    public static final int VANILLA_PROTOCOL = 0;
+    /*========================================================================*/
-    public static final int FORGE_PROTOCOL = 256;
+    @Getter
+    private final OpCode[][] opCodes = new OpCode[ 256 ][];
+    @SuppressWarnings("unchecked")
+    @Getter
+    private Class<? extends DefinedPacket>[] classes = new Class[ 256 ];
+    @SuppressWarnings("unchecked")
+    @Getter
+    private Constructor<? extends DefinedPacket>[] constructors = new Constructor[ 256 ];
+    @Getter
+    private final PacketReader skipper = new PacketReader( this );
+    /*========================================================================*/
+
     
-    public enum OpCode
     {
-
+        classes[0x00] = Packet0KeepAlive.class;
-        BOOLEAN, BULK_CHUNK, BYTE, BYTE_INT, DOUBLE, FLOAT, INT, INT_3, INT_BYTE, ITEM, LONG, METADATA, OPTIONAL_MOTION,  SHORT, SHORT_BYTE, SHORT_ITEM, STRING, USHORT_BYTE
+        classes[0x01] = Packet1Login.class;
+        classes[0x02] = Packet2Handshake.class;
+        classes[0x03] = Packet3Chat.class;
+        classes[0x09] = Packet9Respawn.class;
+        classes[0xC9] = PacketC9PlayerListItem.class;
+        classes[0xCC] = PacketCCSettings.class;
+        classes[0xCD] = PacketCDClientStatus.class;
+        classes[0xCE] = PacketCEScoreboardObjective.class;
+        classes[0xCF] = PacketCFScoreboardScore.class;
+        classes[0xD0] = PacketD0DisplayScoreboard.class;
+        classes[0xD1] = PacketD1Team.class;
+        classes[0xFA] = PacketFAPluginMessage.class;
+        classes[0xFC] = PacketFCEncryptionResponse.class;
+        classes[0xFD] = PacketFDEncryptionRequest.class;
+        classes[0xFE] = PacketFEPing.class;
+        classes[0xFF] = PacketFFKick.class;
     }
 
-    static
+    @Override
+    public DefinedPacket read(short packetId, ByteBuf buf)
+    {
+        int start = buf.readerIndex();
+        DefinedPacket packet = read( packetId, buf, this );
+        if ( buf.readerIndex() == start )
+        {
+            throw new RuntimeException( "Unknown packet id " + packetId );
+        }
+        return packet;
+    }
+
+    public static DefinedPacket read(short id, ByteBuf buf, Protocol protocol)
+    {
+        DefinedPacket packet = packet( id, protocol );
+        if ( packet != null )
+        {
+            packet.read( buf );
+            return packet;
+        }
+        protocol.getSkipper().tryRead( id, buf );
+        return null;
+    }
+
+    public static DefinedPacket packet(short id, Protocol protocol)
+    {
+        DefinedPacket ret = null;
+        Class<? extends DefinedPacket> clazz = protocol.getClasses()[id];
+
+        if ( clazz != null )
+        {
+            try
+            {
+                Constructor<? extends DefinedPacket> constructor = protocol.getConstructors()[id];
+                if ( constructor == null )
+                {
+                    constructor = clazz.getDeclaredConstructor();
+                    constructor.setAccessible( true );
+                    protocol.getConstructors()[id] = constructor;
+                }
+
+                if ( constructor != null )
+                {
+                    ret = constructor.newInstance();
+                }
+            } catch ( NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex )
+            {
+            }
+        }
+
+        return ret;
+    }
+
+    
     {
         opCodes[0x04] = new OpCode[]
         {

protocol/src/main/java/net/md_5/bungee/protocol/packet/DefinedPacket.java

@@ -1,51 +1,14 @@
 package net.md_5.bungee.protocol.packet;
 
 import io.netty.buffer.ByteBuf;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import lombok.AccessLevel;
 import lombok.RequiredArgsConstructor;
 
 @RequiredArgsConstructor
 public abstract class DefinedPacket
 {
 
-    @SuppressWarnings("unchecked")
-    public static Class<? extends DefinedPacket>[] classes = new Class[ 256 ];
-    @SuppressWarnings("unchecked")
-    private static Constructor<? extends DefinedPacket>[] consructors = new Constructor[ 256 ];
     private final int id;
 
-
-    public static DefinedPacket packet(ByteBuf buf)
-    {
-        DefinedPacket ret = null;
-        int id = buf.readUnsignedByte();
-        Class<? extends DefinedPacket> clazz = classes[id];
-
-        if ( clazz != null )
-        {
-            try
-            {
-                Constructor<? extends DefinedPacket> constructor = consructors[id];
-                if ( constructor == null )
-                {
-                    constructor = clazz.getDeclaredConstructor();
-                    consructors[id] = constructor;
-                }
-
-                if ( constructor != null )
-                {
-                    ret = constructor.newInstance();
-                }
-            } catch ( NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex )
-            {
-            }
-        }
-
-        return ret;
-    }
-
     public final int getId()
     {
         return id;
@@ -103,25 +66,4 @@ public abstract class DefinedPacket
 
     @Override
     public abstract String toString();
-
-    static
-    {
-        classes[0x00] = Packet0KeepAlive.class;
-        classes[0x01] = Packet1Login.class;
-        classes[0x02] = Packet2Handshake.class;
-        classes[0x03] = Packet3Chat.class;
-        classes[0x09] = Packet9Respawn.class;
-        classes[0xC9] = PacketC9PlayerListItem.class;
-        classes[0xCC] = PacketCCSettings.class;
-        classes[0xCD] = PacketCDClientStatus.class;
-        classes[0xCE] = PacketCEScoreboardObjective.class;
-        classes[0xCF] = PacketCFScoreboardScore.class;
-        classes[0xD0] = PacketD0DisplayScoreboard.class;
-        classes[0xD1] = PacketD1Team.class;
-        classes[0xFA] = PacketFAPluginMessage.class;
-        classes[0xFC] = PacketFCEncryptionResponse.class;
-        classes[0xFD] = PacketFDEncryptionRequest.class;
-        classes[0xFE] = PacketFEPing.class;
-        classes[0xFF] = PacketFFKick.class;
-    }
 }

protocol/src/main/java/net/md_5/bungee/protocol/packet/Packet0KeepAlive.java

@@ -11,7 +11,7 @@ public class Packet0KeepAlive extends DefinedPacket
 
     private int id;
 
-    Packet0KeepAlive()
+    private Packet0KeepAlive()
     {
         super( 0x00 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/Packet1Login.java

@@ -9,15 +9,15 @@ import lombok.ToString;
 public class Packet1Login extends DefinedPacket
 {
 
-    private int entityId;
+    protected int entityId;
-    private String levelType;
+    protected String levelType;
-    private byte gameMode;
+    protected byte gameMode;
-    private byte dimension;
+    protected int dimension;
-    private byte difficulty;
+    protected byte difficulty;
-    private byte unused;
+    protected byte unused;
-    private byte maxPlayers;
+    protected byte maxPlayers;
 
-    Packet1Login()
+    protected Packet1Login()
     {
         super( 0x01 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/Packet2Handshake.java

@@ -14,7 +14,7 @@ public class Packet2Handshake extends DefinedPacket
     private String host;
     private int port;
 
-    Packet2Handshake()
+    private Packet2Handshake()
     {
         super( 0x02 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/Packet3Chat.java

@@ -11,7 +11,7 @@ public class Packet3Chat extends DefinedPacket
 
     private String message;
 
-    Packet3Chat()
+    private Packet3Chat()
     {
         super( 0x03 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/Packet9Respawn.java

@@ -15,7 +15,7 @@ public class Packet9Respawn extends DefinedPacket
     private short worldHeight;
     private String levelType;
 
-    Packet9Respawn()
+    private Packet9Respawn()
     {
         super( 0x09 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketC9PlayerListItem.java

@@ -13,7 +13,7 @@ public class PacketC9PlayerListItem extends DefinedPacket
     private boolean online;
     private int ping;
 
-    PacketC9PlayerListItem()
+    private PacketC9PlayerListItem()
     {
         super( 0xC9 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketCCSettings.java

@@ -15,7 +15,7 @@ public class PacketCCSettings extends DefinedPacket
     private byte difficulty;
     private boolean showCape;
 
-    PacketCCSettings()
+    private PacketCCSettings()
     {
         super( 0xCC );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketCDClientStatus.java

@@ -11,7 +11,7 @@ public class PacketCDClientStatus extends DefinedPacket
 
     private byte payload;
 
-    PacketCDClientStatus()
+    private PacketCDClientStatus()
     {
         super( 0xCD );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketCEScoreboardObjective.java

@@ -16,7 +16,7 @@ public class PacketCEScoreboardObjective extends DefinedPacket
      */
     private byte action;
 
-    PacketCEScoreboardObjective()
+    private PacketCEScoreboardObjective()
     {
         super( 0xCE );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketCFScoreboardScore.java

@@ -17,7 +17,7 @@ public class PacketCFScoreboardScore extends DefinedPacket
     private String scoreName;
     private int value;
 
-    PacketCFScoreboardScore()
+    private PacketCFScoreboardScore()
     {
         super( 0xCF );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketD0DisplayScoreboard.java

@@ -15,7 +15,7 @@ public class PacketD0DisplayScoreboard extends DefinedPacket
     private byte position;
     private String name;
 
-    PacketD0DisplayScoreboard()
+    private PacketD0DisplayScoreboard()
     {
         super( 0xD0 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketD1Team.java

@@ -21,7 +21,7 @@ public class PacketD1Team extends DefinedPacket
     private short playerCount;
     private String[] players;
 
-    PacketD1Team()
+    private PacketD1Team()
     {
         super( 0xD1 );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketFAPluginMessage.java

@@ -12,7 +12,7 @@ public class PacketFAPluginMessage extends DefinedPacket
     private String tag;
     private byte[] data;
 
-    PacketFAPluginMessage()
+    private PacketFAPluginMessage()
     {
         super( 0xFA );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketFCEncryptionResponse.java

@@ -12,7 +12,7 @@ public class PacketFCEncryptionResponse extends DefinedPacket
     private byte[] sharedSecret;
     private byte[] verifyToken;
 
-    PacketFCEncryptionResponse()
+    private PacketFCEncryptionResponse()
     {
         super( 0xFC );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketFDEncryptionRequest.java

@@ -13,7 +13,7 @@ public class PacketFDEncryptionRequest extends DefinedPacket
     private byte[] publicKey;
     private byte[] verifyToken;
 
-    PacketFDEncryptionRequest()
+    private PacketFDEncryptionRequest()
     {
         super( 0xFD );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketFEPing.java

@@ -11,7 +11,7 @@ public class PacketFEPing extends DefinedPacket
 
     private byte version;
 
-    PacketFEPing()
+    private PacketFEPing()
     {
         super( 0xFE );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/PacketFFKick.java

@@ -11,7 +11,7 @@ public class PacketFFKick extends DefinedPacket
 
     private String message;
 
-    PacketFFKick()
+    private PacketFFKick()
     {
         super( 0xFF );
     }

protocol/src/main/java/net/md_5/bungee/protocol/packet/forge/Forge1Login.java

@@ -0,0 +1,42 @@
+package net.md_5.bungee.protocol.packet.forge;
+
+import net.md_5.bungee.protocol.packet.*;
+import io.netty.buffer.ByteBuf;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+@ToString
+@EqualsAndHashCode(callSuper = false)
+public class Forge1Login extends Packet1Login
+{
+
+    @Override
+    public void read(ByteBuf buf)
+    {
+        entityId = buf.readInt();
+        levelType = readString( buf );
+        gameMode = buf.readByte();
+        dimension = buf.readInt();
+        difficulty = buf.readByte();
+        unused = buf.readByte();
+        maxPlayers = buf.readByte();
+    }
+
+    @Override
+    public void write(ByteBuf buf)
+    {
+        buf.writeInt( entityId );
+        writeString( levelType, buf );
+        buf.writeByte( gameMode );
+        buf.writeInt(dimension );
+        buf.writeByte( difficulty );
+        buf.writeByte( unused );
+        buf.writeByte( maxPlayers );
+    }
+
+    @Override
+    public void handle(PacketHandler handler) throws Exception
+    {
+        handler.handle( this );
+    }
+}

protocol/src/main/java/net/md_5/bungee/protocol/skip/BulkChunk.java

@@ -1,13 +1,12 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 public class BulkChunk extends Instruction
 {
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         short count = in.readShort();
         int size = in.readInt();

protocol/src/main/java/net/md_5/bungee/protocol/skip/ByteHeader.java

@@ -1,7 +1,6 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class ByteHeader extends Instruction
 {
@@ -14,7 +13,7 @@ class ByteHeader extends Instruction
     }
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         byte size = in.readByte();
         for ( byte b = 0; b < size; b++ )

protocol/src/main/java/net/md_5/bungee/protocol/skip/Instruction.java

@@ -1,7 +1,6 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 abstract class Instruction
 {
@@ -29,5 +28,5 @@ abstract class Instruction
     // Custom instructions
     static final Instruction STRING_ARRAY = new ShortHeader( STRING );
 
-    abstract void read(ByteBuf in) throws IOException;
+    abstract void read(ByteBuf in);
 }

protocol/src/main/java/net/md_5/bungee/protocol/skip/IntHeader.java

@@ -1,7 +1,6 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class IntHeader extends Instruction
 {
@@ -14,7 +13,7 @@ class IntHeader extends Instruction
     }
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         int size = in.readInt();
         for ( int i = 0; i < size; i++ )

protocol/src/main/java/net/md_5/bungee/protocol/skip/Item.java

@@ -1,13 +1,12 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class Item extends Instruction
 {
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         short type = in.readShort();
         if ( type >= 0 )

protocol/src/main/java/net/md_5/bungee/protocol/skip/Jump.java

@@ -1,7 +1,6 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class Jump extends Instruction
 {
@@ -18,7 +17,7 @@ class Jump extends Instruction
     }
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         in.skipBytes( len );
     }

protocol/src/main/java/net/md_5/bungee/protocol/skip/MetaData.java

@@ -1,13 +1,12 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class MetaData extends Instruction
 {
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         int x = in.readUnsignedByte();
         while ( x != 127 )

protocol/src/main/java/net/md_5/bungee/protocol/skip/OptionalMotion.java

@@ -1,13 +1,12 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class OptionalMotion extends Instruction
 {
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         int data = in.readInt();
         if ( data > 0 )

protocol/src/main/java/net/md_5/bungee/protocol/skip/PacketReader.java

@@ -1,24 +1,24 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
-import net.md_5.bungee.protocol.PacketDefinitions;
+import net.md_5.bungee.protocol.OpCode;
-import net.md_5.bungee.protocol.PacketDefinitions.OpCode;
+import net.md_5.bungee.protocol.Protocol;
 
 public class PacketReader
 {
 
-    private static final Instruction[][] instructions = new Instruction[ PacketDefinitions.opCodes.length ][];
+    private final Instruction[][] instructions;
 
-    static
+    public PacketReader(Protocol protocol)
     {
+        instructions = new Instruction[ protocol.getOpCodes().length ][];
         for ( int i = 0; i < instructions.length; i++ )
         {
             List<Instruction> output = new ArrayList<>();
 
-            OpCode[] enums = PacketDefinitions.opCodes[i];
+            OpCode[] enums = protocol.getOpCodes()[i];
             if ( enums != null )
             {
                 for ( OpCode struct : enums )
@@ -59,35 +59,16 @@ public class PacketReader
         }
     }
 
-    private static void readPacket(int packetId, ByteBuf in, int protocol) throws IOException
+    public void tryRead(short packetId, ByteBuf in)
     {
-        Instruction[] packetDef = null;
+        Instruction[] packetDef = instructions[packetId];
-        if ( packetId + protocol < instructions.length )
-        {
-            packetDef = instructions[packetId + protocol];
-        }
 
-        if ( packetDef == null )
+        if ( packetDef != null )
         {
-            if ( protocol == PacketDefinitions.VANILLA_PROTOCOL )
-            {
-                throw new IOException( "Unknown packet id " + packetId );
-            } else
-            {
-                readPacket( packetId, in, PacketDefinitions.VANILLA_PROTOCOL );
-                return;
-            }
-        }
-
             for ( Instruction instruction : packetDef )
             {
                 instruction.read( in );
             }
         }
-
-    public static void readPacket(ByteBuf in, int protocol) throws IOException
-    {
-        int packetId = in.readUnsignedByte();
-        readPacket( packetId, in, protocol );
     }
 }

protocol/src/main/java/net/md_5/bungee/protocol/skip/ShortHeader.java

@@ -1,7 +1,6 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class ShortHeader extends Instruction
 {
@@ -14,7 +13,7 @@ class ShortHeader extends Instruction
     }
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         short size = in.readShort();
         for ( short s = 0; s < size; s++ )

protocol/src/main/java/net/md_5/bungee/protocol/skip/UnsignedShortByte.java

@@ -1,13 +1,12 @@
-package net.md_5.bungee.protocol.netty;
+package net.md_5.bungee.protocol.skip;
 
 import io.netty.buffer.ByteBuf;
-import java.io.IOException;
 
 class UnsignedShortByte extends Instruction
 {
 
     @Override
-    void read(ByteBuf in) throws IOException
+    void read(ByteBuf in)
     {
         int size = in.readUnsignedShort();
         in.skipBytes( size );

protocol/src/test/java/net/md_5/bungee/protocol/PacketTest.java

@@ -30,7 +30,7 @@ public class PacketTest
                 Assert.assertTrue( "Packet " + clazz + " does not report correct id", packet.getId() == i );
                 Assert.assertTrue( "Packet " + clazz + " does not have custom hash code", packet.hashCode() != System.identityHashCode( packet ) );
                 Assert.assertTrue( "Packet " + clazz + " does not have custom toString", packet.toString().indexOf( '@' ) == -1 );
-                Assert.assertTrue( "Packet " + clazz + " does not have package private no args constructor", clazz.getDeclaredConstructor().getModifiers() == 0 );
+                Assert.assertTrue( "Packet " + clazz + " does not have private no args constructor", Modifier.isPrivate( clazz.getDeclaredConstructor().getModifiers() ) );
 
                 for ( Field field : clazz.getDeclaredFields() )
                 {

proxy/src/main/java/net/md_5/bungee/BungeeCord.java

@@ -54,7 +54,7 @@ import net.md_5.bungee.netty.PipelineUtils;
 import net.md_5.bungee.protocol.packet.DefinedPacket;
 import net.md_5.bungee.protocol.packet.Packet3Chat;
 import net.md_5.bungee.protocol.packet.PacketFAPluginMessage;
-import net.md_5.bungee.protocol.PacketDefinitions;
+import net.md_5.bungee.protocol.Vanilla;
 import net.md_5.bungee.scheduler.BungeeThreadPool;
 import net.md_5.bungee.util.CaseInsensitiveMap;
 
@@ -444,13 +444,13 @@ public class BungeeCord extends ProxyServer
     @Override
     public byte getProtocolVersion()
     {
-        return PacketDefinitions.PROTOCOL_VERSION;
+        return Vanilla.PROTOCOL_VERSION;
     }
 
     @Override
     public String getGameVersion()
     {
-        return PacketDefinitions.GAME_VERSION;
+        return Vanilla.GAME_VERSION;
     }
 
     @Override

proxy/src/main/java/net/md_5/bungee/ServerConnector.java

@@ -37,7 +37,7 @@ import net.md_5.bungee.protocol.packet.PacketFCEncryptionResponse;
 import net.md_5.bungee.protocol.packet.PacketFDEncryptionRequest;
 import net.md_5.bungee.protocol.packet.PacketFFKick;
 import net.md_5.bungee.protocol.packet.PacketHandler;
-import net.md_5.bungee.protocol.PacketDefinitions;
+import net.md_5.bungee.protocol.Vanilla;
 
 @RequiredArgsConstructor
 public class ServerConnector extends PacketHandler
@@ -144,7 +144,7 @@ public class ServerConnector extends PacketHandler
                         login.difficulty,
                         login.unused,
                         (byte) user.getPendingConnection().getListener().getTabListSize(),
-                        ch.getHandle().pipeline().get( PacketDecoder.class ).getProtocol() == PacketDefinitions.FORGE_PROTOCOL );
+                        ch.getHandle().pipeline().get( PacketDecoder.class ).getProtocol() == Vanilla.FORGE_PROTOCOL );
                 user.sendPacket( modLogin );
             } else
             {
@@ -277,7 +277,7 @@ public class ServerConnector extends PacketHandler
             if ( in.readByte() != 0 )
             {
                 // TODO: Using forge flag
-                ch.getHandle().pipeline().get( PacketDecoder.class ).setProtocol( PacketDefinitions.FORGE_PROTOCOL );
+                ch.getHandle().pipeline().get( PacketDecoder.class ).setProtocol( Vanilla.FORGE_PROTOCOL );
             }
         }
 

proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java

@@ -43,7 +43,7 @@ import net.md_5.bungee.protocol.packet.PacketFDEncryptionRequest;
 import net.md_5.bungee.protocol.packet.PacketFEPing;
 import net.md_5.bungee.protocol.packet.PacketFFKick;
 import net.md_5.bungee.protocol.packet.PacketHandler;
-import net.md_5.bungee.protocol.PacketDefinitions;
+import net.md_5.bungee.protocol.Vanilla;
 
 @RequiredArgsConstructor
 public class InitialHandler extends PacketHandler implements PendingConnection
@@ -115,7 +115,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
         Preconditions.checkState( forgeLogin == null, "Already received FORGE LOGIN" );
         forgeLogin = login;
 
-        ch.getHandle().pipeline().get( PacketDecoder.class ).setProtocol( PacketDefinitions.FORGE_PROTOCOL );
+        ch.getHandle().pipeline().get( PacketDecoder.class ).setProtocol( Vanilla.FORGE_PROTOCOL );
     }
 
     @Override

proxy/src/main/java/net/md_5/bungee/netty/PacketDecoder.java

@@ -7,7 +7,7 @@ import io.netty.handler.codec.ReplayingDecoder;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
-import net.md_5.bungee.protocol.netty.PacketReader;
+import net.md_5.bungee.protocol.skip.PacketReader;
 
 /**
  * This class will attempt to read a packet from {@link PacketReader}, with the

proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java

@@ -15,7 +15,7 @@ import net.md_5.bungee.UserConnection;
 import net.md_5.bungee.connection.InitialHandler;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.config.ListenerInfo;
-import net.md_5.bungee.protocol.PacketDefinitions;
+import net.md_5.bungee.protocol.Vanilla;
 
 public class PipelineUtils
 {
@@ -61,7 +61,7 @@ public class PipelineUtils
 
             ch.pipeline().addLast( "outbound", new OutboundHandler() );
             ch.pipeline().addLast( "timer", new ReadTimeoutHandler( BungeeCord.getInstance().config.getTimeout(), TimeUnit.MILLISECONDS ) );
-            ch.pipeline().addLast( "decoder", new PacketDecoder( PacketDefinitions.VANILLA_PROTOCOL ) );
+            ch.pipeline().addLast( "decoder", new PacketDecoder( Vanilla.VANILLA_PROTOCOL ) );
             ch.pipeline().addLast( "packet-encoder", packetEncoder );
             ch.pipeline().addLast( "array-encoder", arrayEncoder );
             ch.pipeline().addLast( "handler", new HandlerBoss() );