fix many bugs in 1.8 (also in compression), more 1.8 wip

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Arrow.java

@@ -27,10 +27,9 @@ public class Arrow extends EntityObject implements ObjectInterface {
         this.shooter = additionalInt;
     }
 
-    public Arrow(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Arrow(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.shooter = additionalInt;
-        this.metaData = (ArrowMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Boat.java

@@ -26,9 +26,8 @@ public class Boat extends EntityObject implements ObjectInterface {
         // boat does not have any additional info
     }
 
-    public Boat(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Boat(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = (BoatMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Egg.java

@@ -26,10 +26,9 @@ public class Egg extends EntityObject implements ObjectInterface {
         this.thrower = additionalInt;
     }
 
-    public Egg(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Egg(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.thrower = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/EnderCrystal.java

@@ -25,9 +25,8 @@ public class EnderCrystal extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public EnderCrystal(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public EnderCrystal(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = (EnderCrystalMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Enderpearl.java

@@ -24,9 +24,8 @@ public class Enderpearl extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public Enderpearl(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Enderpearl(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/EyeOfEnder.java

@@ -24,9 +24,8 @@ public class EyeOfEnder extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public EyeOfEnder(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public EyeOfEnder(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/FallingBlock.java

@@ -27,10 +27,9 @@ public class FallingBlock extends EntityObject implements ObjectInterface {
         block = Blocks.byLegacy(additionalInt & 0xFFF, additionalInt >> 12);
     }
 
-    public FallingBlock(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public FallingBlock(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         block = Blocks.byLegacy(additionalInt & 0xFFF, additionalInt >> 12);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/FallingDragonEgg.java

@@ -24,9 +24,8 @@ public class FallingDragonEgg extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public FallingDragonEgg(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public FallingDragonEgg(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/FireBall.java

@@ -26,10 +26,9 @@ public class FireBall extends EntityObject implements ObjectInterface {
         this.thrower = additionalInt;
     }
 
-    public FireBall(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public FireBall(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.thrower = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/FireCharge.java

@@ -26,10 +26,9 @@ public class FireCharge extends EntityObject implements ObjectInterface {
         this.thrower = additionalInt;
     }
 
-    public FireCharge(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public FireCharge(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.thrower = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Firework.java

@@ -25,9 +25,8 @@ public class Firework extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public Firework(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Firework(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = (FireworkMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/FishingFloat.java

@@ -26,10 +26,9 @@ public class FishingFloat extends EntityObject implements ObjectInterface {
         this.owner = additionalInt;
     }
 
-    public FishingFloat(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public FishingFloat(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.owner = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/ItemFrame.java

@@ -27,10 +27,9 @@ public class ItemFrame extends EntityObject implements ObjectInterface {
         direction = FrameDirection.byId(additionalInt);
     }
 
-    public ItemFrame(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public ItemFrame(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         direction = FrameDirection.byId(additionalInt);
-        this.metaData = (ItemFrameMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/ItemStack.java

@@ -25,9 +25,8 @@ public class ItemStack extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public ItemStack(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public ItemStack(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = (ItemMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/LeashKnot.java

@@ -24,9 +24,8 @@ public class LeashKnot extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public LeashKnot(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public LeashKnot(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Minecart.java

@@ -26,10 +26,9 @@ public class Minecart extends EntityObject implements ObjectInterface {
         type = MinecartType.byType(additionalInt);
     }
 
-    public Minecart(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Minecart(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         type = MinecartType.byType(additionalInt);
-        this.metaData = (MinecartMetaData) metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/PrimedTNT.java

@@ -24,9 +24,8 @@ public class PrimedTNT extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public PrimedTNT(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public PrimedTNT(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/Snowball.java

@@ -26,10 +26,9 @@ public class Snowball extends EntityObject implements ObjectInterface {
         this.thrower = additionalInt;
     }
 
-    public Snowball(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public Snowball(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.thrower = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/ThrownExpBottle.java

@@ -24,9 +24,8 @@ public class ThrownExpBottle extends EntityObject implements ObjectInterface {
         // objects do not spawn with metadata... reading additional info from the following int
     }
 
-    public ThrownExpBottle(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public ThrownExpBottle(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/ThrownPotion.java

@@ -26,10 +26,9 @@ public class ThrownPotion extends EntityObject implements ObjectInterface {
         this.potion = additionalInt;
     }
 
-    public ThrownPotion(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public ThrownPotion(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.potion = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/game/datatypes/entities/objects/WitherSkull.java

@@ -26,10 +26,9 @@ public class WitherSkull extends EntityObject implements ObjectInterface {
         this.thrower = additionalInt;
     }
 
-    public WitherSkull(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity, EntityMetaData metaData) {
+    public WitherSkull(int id, Location location, short yaw, short pitch, int additionalInt, Velocity velocity) {
         super(id, location, yaw, pitch, velocity);
         this.thrower = additionalInt;
-        this.metaData = metaData;
     }
 
     @Override

src/main/java/de/bixilon/minosoft/protocol/modding/channels/PluginChannelHandler.java

@@ -17,6 +17,7 @@ import de.bixilon.minosoft.logging.Log;
 import de.bixilon.minosoft.protocol.network.Connection;
 import de.bixilon.minosoft.protocol.packets.serverbound.play.PacketPluginMessageSending;
 import de.bixilon.minosoft.protocol.protocol.InByteBuffer;
+import de.bixilon.minosoft.protocol.protocol.OutByteBuffer;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -91,6 +92,10 @@ public class PluginChannelHandler {
         connection.sendPacket(new PacketPluginMessageSending(channel, data));
     }
 
+    public void sendRawData(String channel, OutByteBuffer buffer) {
+        connection.sendPacket(new PacketPluginMessageSending(channel, buffer.getOutBytes()));
+    }
+
     public void registerServerChannel(String name) {
         if (DefaultPluginChannels.byName(name) != null) {
             // channel is a default channel, can not register

src/main/java/de/bixilon/minosoft/protocol/network/Connection.java

@@ -26,10 +26,7 @@ import de.bixilon.minosoft.protocol.packets.serverbound.login.PacketLoginStart;
 import de.bixilon.minosoft.protocol.packets.serverbound.play.PacketChatMessage;
 import de.bixilon.minosoft.protocol.packets.serverbound.status.PacketStatusPing;
 import de.bixilon.minosoft.protocol.packets.serverbound.status.PacketStatusRequest;
-import de.bixilon.minosoft.protocol.protocol.ConnectionReason;
-import de.bixilon.minosoft.protocol.protocol.ConnectionState;
-import de.bixilon.minosoft.protocol.protocol.PacketHandler;
-import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+import de.bixilon.minosoft.protocol.protocol.*;
 
 import java.util.ArrayList;
 
@@ -192,9 +189,21 @@ public class Connection {
     public void registerDefaultChannels() {
         // MC|Brand
         getPluginChannelHandler().registerClientHandler(DefaultPluginChannels.MC_BRAND.getName(), (handler, buffer) -> {
-            Log.info(String.format("Server is running %s on version %s", new String(buffer.readBytes(buffer.getBytesLeft())), getVersion().getName()));
+            String serverVersion;
+            String clientVersion = (Minosoft.getConfig().getBoolean(GameConfiguration.NETWORK_FAKE_CLIENT_BRAND) ? "vanilla" : "Minosoft");
+            OutByteBuffer toSend = new OutByteBuffer();
+            if (getVersion() == ProtocolVersion.VERSION_1_7_10) {
+                // no length prefix
+                serverVersion = new String(buffer.readBytes(buffer.getBytesLeft()));
+                toSend.writeBytes(clientVersion.getBytes());
+            } else {
+                // length prefix
+                serverVersion = buffer.readString();
+                toSend.writeString(clientVersion);
+            }
+            Log.info(String.format("Server is running %s, connected with %s", serverVersion, getVersion().getName()));
 
-            getPluginChannelHandler().sendRawData(DefaultPluginChannels.MC_BRAND.getName(), (Minosoft.getConfig().getBoolean(GameConfiguration.NETWORK_FAKE_CLIENT_BRAND) ? "vanilla" : "Minosoft").getBytes());
+            getPluginChannelHandler().sendRawData(DefaultPluginChannels.MC_BRAND.getName(), toSend);
         });
     }
 

src/main/java/de/bixilon/minosoft/protocol/network/Network.java

@@ -155,7 +155,12 @@ public class Network {
                             outRawBuffer.writeBytes(data);
                         }
                         data = outRawBuffer.getOutBytes();
-
+                    } else {
+                        // append packet length
+                        OutByteBuffer bufferWithLengthPrefix = new OutByteBuffer();
+                        bufferWithLengthPrefix.writeVarInt(data.length);
+                        bufferWithLengthPrefix.writeBytes(data);
+                        data = bufferWithLengthPrefix.getOutBytes();
                     }
 
 

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketPlayerAbilitiesReceiving.java

@@ -32,7 +32,7 @@ public class PacketPlayerAbilitiesReceiving implements ClientboundPacket {
     @Override
     public void read(InPacketBuffer buffer, ProtocolVersion v) {
         switch (v) {
-            case VERSION_1_7_10:
+            case VERSION_1_7_10: {
                 byte flags = buffer.readByte();
                 creative = BitByte.isBitSet(flags, 0);
                 flying = BitByte.isBitSet(flags, 1);
@@ -41,9 +41,17 @@ public class PacketPlayerAbilitiesReceiving implements ClientboundPacket {
                 flyingSpeed = buffer.readFloat();
                 walkingSpeed = buffer.readFloat();
                 break;
-            case VERSION_1_8:
-                //ToDo
+            }
+            case VERSION_1_8: {
+                byte flags = buffer.readByte();
+                godMode = BitByte.isBitSet(flags, 0);
+                flying = BitByte.isBitSet(flags, 1);
+                canFly = BitByte.isBitSet(flags, 2);
+                creative = BitByte.isBitSet(flags, 3);
+                flyingSpeed = buffer.readFloat();
+                // ToDo Entity Properties
                 break;
+            }
         }
     }
 

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketScoreboardTeams.java

@@ -44,15 +44,9 @@ public class PacketScoreboardTeams implements ClientboundPacket {
                     prefix = buffer.readString();
                     suffix = buffer.readString();
                     friendlyFire = ScoreboardFriendlyFire.byId(buffer.readByte());
-                    if (v.getVersion() >= ProtocolVersion.VERSION_1_8.getVersion()) {
-                        // color and nametag
-                        nameTagVisibility = ScoreboardNameTagVisibility.byName(buffer.readString());
-                        color = TextComponent.ChatAttributes.byColor(ChatColor.byId(buffer.readByte()));
-                    } else {
-                        // default values
-                        nameTagVisibility = ScoreboardNameTagVisibility.ALWAYS;
-                        color = TextComponent.ChatAttributes.WHITE;
-                    }
+                    // default values
+                    nameTagVisibility = ScoreboardNameTagVisibility.ALWAYS;
+                    color = TextComponent.ChatAttributes.WHITE;
                 }
                 if (action == ScoreboardTeamAction.CREATE || action == ScoreboardTeamAction.PLAYER_ADD || action == ScoreboardTeamAction.PLAYER_REMOVE) {
                     short playerCount = buffer.readShort();
@@ -62,6 +56,25 @@ public class PacketScoreboardTeams implements ClientboundPacket {
                     }
                 }
                 break;
+            case VERSION_1_8:
+                name = buffer.readString();
+                action = ScoreboardTeamAction.byId(buffer.readByte());
+                if (action == ScoreboardTeamAction.CREATE || action == ScoreboardTeamAction.INFORMATION_UPDATE) {
+                    displayName = buffer.readString();
+                    prefix = buffer.readString();
+                    suffix = buffer.readString();
+                    friendlyFire = ScoreboardFriendlyFire.byId(buffer.readByte());
+                    nameTagVisibility = ScoreboardNameTagVisibility.byName(buffer.readString());
+                    color = TextComponent.ChatAttributes.byColor(ChatColor.byId(buffer.readByte()));
+                }
+                if (action == ScoreboardTeamAction.CREATE || action == ScoreboardTeamAction.PLAYER_ADD || action == ScoreboardTeamAction.PLAYER_REMOVE) {
+                    int playerCount = buffer.readVarInt();
+                    playerNames = new String[playerCount];
+                    for (int i = 0; i < playerCount; i++) {
+                        playerNames[i] = buffer.readString();
+                    }
+                }
+                break;
         }
     }
 

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketServerDifficulty.java

@@ -0,0 +1,49 @@
+/*
+ * Codename Minosoft
+ * Copyright (C) 2020 Moritz Zwerger
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.protocol.packets.clientbound.play;
+
+import de.bixilon.minosoft.game.datatypes.Difficulty;
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
+import de.bixilon.minosoft.protocol.protocol.InPacketBuffer;
+import de.bixilon.minosoft.protocol.protocol.PacketHandler;
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersion;
+
+public class PacketServerDifficulty implements ClientboundPacket {
+    Difficulty difficulty;
+
+
+    @Override
+    public void read(InPacketBuffer buffer, ProtocolVersion v) {
+        switch (v) {
+            case VERSION_1_8:
+                difficulty = Difficulty.byId(buffer.readByte());
+                break;
+        }
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Received server difficulty (difficulty=%s)", difficulty.name()));
+    }
+
+    @Override
+    public void handle(PacketHandler h) {
+        h.handle(this);
+    }
+
+    public Difficulty getDifficulty() {
+        return difficulty;
+    }
+}

src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketSpawnObject.java

@@ -57,21 +57,26 @@ public class PacketSpawnObject implements ClientboundPacket {
     public void read(InPacketBuffer buffer, ProtocolVersion v) {
         switch (v) {
             case VERSION_1_7_10:
+            case VERSION_1_8:
                 int entityId = buffer.readVarInt();
                 Objects type = Objects.byType(buffer.readByte());
                 Location location = new Location(buffer.readFixedPointNumberInteger(), buffer.readFixedPointNumberInteger(), buffer.readFixedPointNumberInteger());
                 short pitch = buffer.readAngle();
                 short yaw = buffer.readAngle();
+                int data = buffer.readInteger();
 
                 try {
                     if (v.getVersion() >= ProtocolVersion.VERSION_1_8.getVersion()) {
                         // velocity present AND metadata
-                        Velocity velocity = new Velocity(buffer.readShort(), buffer.readShort(), buffer.readShort());
-                        EntityMetaData metaData = getEntityData(object.getMetaDataClass(), buffer, v);
-                        object = type.getClazz().getConstructor(int.class, Location.class, short.class, short.class, int.class, Velocity.class, EntityMetaData.class).newInstance(entityId, location, yaw, pitch, buffer.readInteger(), velocity, metaData);
+
+                        Velocity velocity = null;
+                        if (data != 0) {
+                            velocity = new Velocity(buffer.readShort(), buffer.readShort(), buffer.readShort());
+                        }
+                        object = type.getClazz().getConstructor(int.class, Location.class, short.class, short.class, int.class, Velocity.class).newInstance(entityId, location, yaw, pitch, data, velocity);
 
                     } else {
-                        object = type.getClazz().getConstructor(int.class, Location.class, short.class, short.class, int.class).newInstance(entityId, location, yaw, pitch, buffer.readInteger());
+                        object = type.getClazz().getConstructor(int.class, Location.class, short.class, short.class, int.class).newInstance(entityId, location, yaw, pitch, data);
                     }
                 } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
                     e.printStackTrace();

src/main/java/de/bixilon/minosoft/protocol/packets/serverbound/play/PacketPlayerAbilitiesSending.java

@@ -44,13 +44,14 @@ public class PacketPlayerAbilitiesSending implements ServerboundPacket {
         this.godMode = false;
         this.flyingSpeed = 0.05F;
         this.walkingSpeed = 0.1F;
+        log();
 
     }
 
 
     @Override
     public OutPacketBuffer write(ProtocolVersion v) {
-        OutPacketBuffer buffer = new OutPacketBuffer(v.getPacketCommand(Packets.Serverbound.PLAY_CLIENT_SETTINGS));
+        OutPacketBuffer buffer = new OutPacketBuffer(v.getPacketCommand(Packets.Serverbound.PLAY_PLAYER_ABILITIES));
         switch (v) {
             case VERSION_1_7_10:
             case VERSION_1_8:

src/main/java/de/bixilon/minosoft/protocol/protocol/OutPacketBuffer.java

@@ -30,19 +30,15 @@ public class OutPacketBuffer extends OutByteBuffer {
 
     @Override
     public byte[] getOutBytes() {
-        // ToDo: compression
         List<Byte> before = getBytes();
         List<Byte> after = new ArrayList<>();
-        List<Byte> last = new ArrayList<>();
         writeVarInt(getCommand(), after); // second: command
         after.addAll(before); // rest ist raw data
 
-        writeVarInt(after.size(), last); // first var int: length
-        last.addAll(after); // rest ist raw data
 
-        byte[] ret = new byte[last.size()];
-        for (int i = 0; i < last.size(); i++) {
-            ret[i] = last.get(i);
+        byte[] ret = new byte[after.size()];
+        for (int i = 0; i < after.size(); i++) {
+            ret[i] = after.get(i);
         }
         return ret;
     }

src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java

@@ -436,4 +436,7 @@ public class PacketHandler {
 
     public void handle(PacketLoginSetCompression pkg) {
     }
+
+    public void handle(PacketServerDifficulty pkg) {
+    }
 }

src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java

@@ -113,6 +113,7 @@ public abstract class Protocol implements ProtocolInterface {
         packetClassMapping.put(Packets.Clientbound.PLAY_TEAMS, PacketScoreboardTeams.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_DISPLAY_SCOREBOARD, PacketScoreboardDisplayScoreboard.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_MAP_DATA, PacketMapData.class);
+        packetClassMapping.put(Packets.Clientbound.PLAY_SERVER_DIFFICULTY, PacketServerDifficulty.class);
     }
 
     public static ProtocolVersion getLowestVersionSupported() {