FightSystem_14/src/de/steamwar/fightsystem/utils/FlatteningWrapper14.java

@@ -19,12 +19,15 @@
 
 package de.steamwar.fightsystem.utils;
 
+import com.comphenix.tinyprotocol.Reflection;
+import de.steamwar.fightsystem.record.REntity;
 import org.bukkit.DyeColor;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.block.data.Waterlogged;
+import org.bukkit.entity.EntityType;
 import org.bukkit.event.block.BlockPhysicsEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BlockDataMeta;
@@ -108,4 +111,29 @@ public class FlatteningWrapper14 implements FlatteningWrapper.IFlatteningWrapper
     public boolean checkPistonMoving(Block block) {
         return block.getType() == Material.MOVING_PISTON;
     }
+
+    @Override
+    public void setNamedSpawnPacketDataWatcher(Object packet) {
+        // field not present
+    }
+
+    private static final Class<?> entityTypes = Reflection.getClass("{nms}.EntityTypes");
+    private static final Reflection.FieldAccessor<?> spawnType = Reflection.getField(REntity.spawnPacket, entityTypes, 0);
+    private static final Object tnt = Reflection.getField(entityTypes, "TNT", entityTypes).get(null);
+    private static final Object arrow = Reflection.getField(entityTypes, "ARROW", entityTypes).get(null);
+    private static final Object fireball = Reflection.getField(entityTypes, "FIREBALL", entityTypes).get(null);
+    @Override
+    public void setSpawnPacketType(Object packet, EntityType type) {
+        switch(type) {
+            case PRIMED_TNT:
+                spawnType.set(packet, tnt);
+                break;
+            case ARROW:
+                spawnType.set(packet, arrow);
+                break;
+            case FIREBALL:
+                spawnType.set(packet, fireball);
+                break;
+        }
+    }
 }

FightSystem_14/src/de/steamwar/fightsystem/utils/TechHider14.java

@@ -19,76 +19,27 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.PacketType;
-import com.comphenix.protocol.events.PacketAdapter;
-import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.reflect.StructureModifier;
-import com.comphenix.protocol.wrappers.nbt.NbtBase;
-import com.comphenix.protocol.wrappers.nbt.NbtCompound;
-import de.steamwar.fightsystem.Config;
-import de.steamwar.fightsystem.FightSystem;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.UnpooledByteBufAllocator;
-import org.bukkit.entity.Player;
 
 import java.nio.ByteBuffer;
 import java.nio.LongBuffer;
-import java.util.List;
 import java.util.Set;
+import java.util.function.BiFunction;
 
-import static de.steamwar.fightsystem.utils.TechHider.bypass;
+public class TechHider14 implements BiFunction<byte[], Integer, byte[]> {
-
-public class TechHider14 extends PacketAdapter {
 
     private final Set<Integer> hiddenBlockIds = BlockIdWrapper.impl.getHiddenBlockIds();
     private final int obfuscateWith = BlockIdWrapper.impl.getObfuscateWith();
 
-    public TechHider14(){
-        super(FightSystem.getPlugin(), PacketType.Play.Server.MAP_CHUNK);
-    }
-
     @Override
-    public void onPacketSending(PacketEvent e) {
+    public byte[] apply(byte[] data, Integer primaryBitMask) {
-        PacketContainer packet = e.getPacket();
-        StructureModifier<Integer> ints = packet.getIntegers();
-
-        int chunkX = ints.read(0);
-        int chunkZ = ints.read(1);
-        Player p = e.getPlayer();
-        if(bypass(p, chunkX, chunkZ))
-            return;
-
-        packet = packet.shallowClone();
-        e.setPacket(packet);
-        StructureModifier<List<NbtBase<?>>> list = packet.getListNbtModifier();
-        List<NbtBase<?>> nmsTags = list.read(0);
-        boolean changed = false;
-        for(int i = nmsTags.size() - 1; i >= 0; i--){
-            NbtBase<?> nbtBase = nmsTags.get(i);
-            assert nbtBase instanceof NbtCompound;
-            NbtCompound nbt = (NbtCompound) nbtBase;
-            if(Config.HiddenBlockEntities.contains(nbt.getString("id"))){
-                nmsTags.remove(i);
-                changed = true;
-            }
-        }
-        if(changed){
-            list.write(0, nmsTags);
-        }
-
-        changed = false;
-        StructureModifier<byte[]> byteArray = packet.getByteArrays();
-        int primaryBitMask = ints.read(2);
-        byte[] data = byteArray.read(0);
         ByteBuf buffer = UnpooledByteBufAllocator.DEFAULT.directBuffer(data.length + 100);
         int i = 0;
 
-        //int chunkY = 0;
         while(primaryBitMask != 0){
             while((primaryBitMask & 1) == 0){
                 primaryBitMask >>= 1;
-                //chunkY++;
             }
 
             buffer.writeBytes(data, i, 2); // Block count
@@ -107,7 +58,6 @@ public class TechHider14 extends PacketAdapter {
 
                     if(hiddenBlockIds.contains(blockId)){
                         buffer.writeBytes(TechHider.writeVarInt(obfuscateWith));
-                        changed = true;
                     }else{
                         buffer.writeBytes(data, i, actPaletteLength);
                     }
@@ -132,7 +82,6 @@ public class TechHider14 extends PacketAdapter {
 
                 for(int pos = 0; pos < 4096; pos++){
                     if(hiddenBlockIds.contains(values.get(pos))){
-                        changed = true;
                         values.set(pos, obfuscateWith);
                     }
                 }
@@ -144,15 +93,12 @@ public class TechHider14 extends PacketAdapter {
             }
 
             primaryBitMask >>= 1;
-            //chunkY++;
         }
         buffer.writeBytes(data, i, data.length - i); // MC appends a 0 byte at the end if there is a full chunk, idk why
 
-        if(changed){
         data = new byte[buffer.readableBytes()];
         buffer.readBytes(data);
-            byteArray.write(0, data);
+        return data;
-        }
     }
 
     private static final class VariableValueArray {

FightSystem_8/src/de/steamwar/fightsystem/utils/BlockIdWrapper8.java

@@ -54,6 +54,6 @@ public class BlockIdWrapper8 implements BlockIdWrapper.IBlockIdWrapper {
 
     @Override
     public Object getPose(boolean sneaking) {
-        return null;
+        return Byte.valueOf((byte)(sneaking ? 2 : 0));
     }
 }

FightSystem_8/src/de/steamwar/fightsystem/utils/BountifulWrapper8.java

@@ -19,12 +19,14 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.wrappers.EnumWrappers;
+import com.comphenix.tinyprotocol.Reflection;
 import de.steamwar.fightsystem.listener.Recording;
 import de.steamwar.fightsystem.record.GlobalRecorder;
+import de.steamwar.fightsystem.record.REntity;
 import net.md_5.bungee.api.chat.BaseComponent;
 import net.minecraft.server.v1_8_R3.ChatComponentText;
 import net.minecraft.server.v1_8_R3.PacketPlayOutChat;
+import net.royawesome.jlibnoise.MathHelper;
 import org.bukkit.Effect;
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -34,9 +36,19 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.Listener;
 import org.bukkit.scoreboard.Team;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
 public class BountifulWrapper8 implements BountifulWrapper.IBountifulWrapper {
+
     @Override
-    public boolean bowInHand(EnumWrappers.Hand hand, Player p) {
+    public boolean mainHand(Object packet) {
+        return true;
+    }
+
+    @Override
+    public boolean bowInHand(boolean mainHand, Player p) {
         return p.getInventory().getItemInHand().getType() == Material.BOW;
     }
 
@@ -86,4 +98,63 @@ public class BountifulWrapper8 implements BountifulWrapper.IBountifulWrapper {
     public void spawnParticle(World world, String particleName, double x, double y, double z) {
         world.playEffect(new Location(world, x, y, z), Effect.valueOf(particleName), 1);
     }
+
+    @Override
+    public Object getDataWatcherObject(int index, Class<?> type) {
+        return index;
+    }
+
+    private static final Class<?> watchableObject = Reflection.getClass("{nms}.DataWatcher$WatchableObject");
+    private static final Reflection.ConstructorInvoker watchableObjectConstructor = Reflection.getConstructor(watchableObject, int.class, int.class, Object.class);
+    private static final Map<Class<?>, Integer> watchableDatatypes = new HashMap<>();
+    static {
+        watchableDatatypes.put(byte.class, 0);
+        watchableDatatypes.put(short.class, 1);
+        watchableDatatypes.put(int.class, 2);
+        watchableDatatypes.put(float.class, 3);
+        watchableDatatypes.put(String.class, 4);
+    }
+
+    @Override
+    public Object getDataWatcherItem(Object dwo, Object value) {
+        return watchableObjectConstructor.invoke(watchableDatatypes.get(value.getClass()), dwo, value);
+    }
+
+    private static final Reflection.FieldAccessor<Integer> teleportX = Reflection.getField(REntity.teleportPacket, int.class, 1);
+    private static final Reflection.FieldAccessor<Integer> teleportY = Reflection.getField(REntity.teleportPacket, int.class, 2);
+    private static final Reflection.FieldAccessor<Integer> teleportZ = Reflection.getField(REntity.teleportPacket, int.class, 3);
+    @Override
+    public void setTeleportPacketPosition(Object packet, double x, double y, double z) {
+        teleportX.set(packet, MathHelper.floor(x * 32));
+        teleportY.set(packet, MathHelper.floor(y * 32));
+        teleportZ.set(packet, MathHelper.floor(z * 32));
+    }
+
+    @Override
+    public void setSpawnPacketUUID(Object packet, UUID uuid) {
+        // field not present
+    }
+
+    private static final Reflection.FieldAccessor<Integer> equipmentSlot = Reflection.getField(REntity.equipmentPacket, int.class, 1);
+    @Override
+    public void setEquipmentPacketSlot(Object packet, String slot) {
+        switch(slot){
+            case "HEAD":
+                equipmentSlot.set(packet, 4);
+                break;
+            case "CHEST":
+                equipmentSlot.set(packet, 3);
+                break;
+            case "LEGS":
+                equipmentSlot.set(packet, 2);
+                break;
+            case "FEET":
+                equipmentSlot.set(packet, 1);
+                break;
+            case "MAINHAND":
+            case "OFFHAND":
+            default:
+                equipmentSlot.set(packet, 0);
+        }
+    }
 }

FightSystem_8/src/de/steamwar/fightsystem/utils/FlatteningWrapper8.java

@@ -19,10 +19,14 @@
 
 package de.steamwar.fightsystem.utils;
 
+import com.comphenix.tinyprotocol.Reflection;
+import de.steamwar.core.Core;
+import de.steamwar.fightsystem.record.REntity;
 import org.bukkit.DyeColor;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
+import org.bukkit.entity.EntityType;
 import org.bukkit.event.block.BlockPhysicsEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -86,4 +90,29 @@ public class FlatteningWrapper8 implements FlatteningWrapper.IFlatteningWrapper
     public boolean checkPistonMoving(Block block) {
         return block.getType() == Material.PISTON_MOVING_PIECE;
     }
+
+    private static final Class<?> dataWatcher = Reflection.getClass("{nms}.DataWatcher");
+    private static final Reflection.FieldAccessor<?> namedSpawnDataWatcher = Reflection.getField(REntity.namedSpawnPacket, dataWatcher, 0);
+    private static final Class<?> entity = Reflection.getClass("{nms}.Entity");
+    private static final Reflection.ConstructorInvoker dataWatcherConstructor = Reflection.getConstructor(dataWatcher, entity);
+    @Override
+    public void setNamedSpawnPacketDataWatcher(Object packet) {
+        namedSpawnDataWatcher.set(packet, dataWatcherConstructor.invoke((Object) null));
+    }
+
+    private static final Reflection.FieldAccessor<Integer> spawnType = Reflection.getField(REntity.spawnPacket, int.class, Core.getVersion() > 8 ? 6 : 9);
+    @Override
+    public void setSpawnPacketType(Object packet, EntityType type) {
+        switch(type) {
+            case PRIMED_TNT:
+                spawnType.set(packet, 50);
+                break;
+            case ARROW:
+                spawnType.set(packet, 60);
+                break;
+            case FIREBALL:
+                spawnType.set(packet, 63);
+                break;
+        }
+    }
 }

FightSystem_8/src/de/steamwar/fightsystem/utils/TechHider8.java

@@ -19,19 +19,13 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.PacketType;
+import java.util.function.BiFunction;
-import com.comphenix.protocol.events.PacketAdapter;
-import com.comphenix.protocol.events.PacketEvent;
-import de.steamwar.fightsystem.FightSystem;
 
-public class TechHider8 extends PacketAdapter {
+public class TechHider8  implements BiFunction<byte[], Integer, byte[]> {
-
-    public TechHider8() {
-        super(FightSystem.getPlugin(), PacketType.Play.Server.MAP_CHUNK);
-    }
 
     @Override
-    public void onPacketSending(PacketEvent e) {
+    public byte[] apply(byte[] data, Integer primaryBitMask) {
-        // no implementation availible
+        // No implementation availible
+        return data;
     }
 }

FightSystem_9/src/de/steamwar/fightsystem/utils/BountifulWrapper9.java

@@ -19,9 +19,10 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.wrappers.EnumWrappers;
+import com.comphenix.tinyprotocol.Reflection;
 import de.steamwar.fightsystem.listener.Recording;
 import de.steamwar.fightsystem.record.GlobalRecorder;
+import de.steamwar.fightsystem.record.REntity;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.chat.BaseComponent;
 import org.bukkit.Material;
@@ -37,11 +38,24 @@ import org.bukkit.event.player.PlayerPickupArrowEvent;
 import org.bukkit.event.player.PlayerSwapHandItemsEvent;
 import org.bukkit.scoreboard.Team;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.util.UUID;
+
 public class BountifulWrapper9 implements BountifulWrapper.IBountifulWrapper {
+
+    private static final Class<?> enumHand = Reflection.getClass("{nms}.EnumHand");
+    private static final Object mainHand = enumHand.getEnumConstants()[0];
+    private static final Reflection.FieldAccessor<?> blockPlaceHand = Reflection.getField(Recording.blockPlacePacket, enumHand, 0);
+
     @Override
-    public boolean bowInHand(EnumWrappers.Hand hand, Player p) {
+    public boolean mainHand(Object packet) {
-        return (hand == EnumWrappers.Hand.MAIN_HAND && p.getInventory().getItemInMainHand().getType() == Material.BOW) ||
+        return blockPlaceHand.get(packet) == mainHand;
-                (hand == EnumWrappers.Hand.OFF_HAND && p.getInventory().getItemInOffHand().getType() == Material.BOW);
+    }
+
+    @Override
+    public boolean bowInHand(boolean mainHand, Player p) {
+        return (mainHand ? p.getInventory().getItemInMainHand() : p.getInventory().getItemInOffHand()).getType() == Material.BOW;
     }
 
     @Override
@@ -110,4 +124,73 @@ public class BountifulWrapper9 implements BountifulWrapper.IBountifulWrapper {
     public void spawnParticle(World world, String particleName, double x, double y, double z) {
         world.spawnParticle(Particle.valueOf(particleName), x, y, z, 1);
     }
+
+
+    private static final Class<?> dataWatcherObject = Reflection.getClass("{nms}.DataWatcherObject");
+    private static final Class<?> dataWatcherRegistry = Reflection.getClass("{nms}.DataWatcherRegistry");
+    private static final Class<?> dataWatcherSerializer = Reflection.getClass("{nms}.DataWatcherSerializer");
+    private static final Reflection.ConstructorInvoker dataWatcherObjectConstructor = Reflection.getConstructor(dataWatcherObject, int.class, dataWatcherSerializer);
+    @Override
+    public Object getDataWatcherObject(int index, Class<?> type) {
+        for(Field field : dataWatcherRegistry.getFields()) {
+            if(dataWatcherSerializer.isAssignableFrom(field.getType()) && type.equals(((ParameterizedType) field.getGenericType()).getActualTypeArguments()[0])) {
+                try {
+                    return dataWatcherObjectConstructor.invoke(index, field.get(null));
+                } catch (IllegalAccessException e) {
+                    throw new SecurityException("Could not get field", e);
+                }
+            }
+        }
+        throw new SecurityException("Could not find Serializer for " + type.getName());
+    }
+
+    private static final Class<?> item = Reflection.getClass("{nms}.DataWatcher$Item");
+    private static final Reflection.ConstructorInvoker itemConstructor = Reflection.getConstructor(item, dataWatcherObject, Object.class);
+    @Override
+    public Object getDataWatcherItem(Object dwo, Object value) {
+        return itemConstructor.invoke(dwo, value);
+    }
+
+    private static final Reflection.FieldAccessor<Double> teleportX = Reflection.getField(REntity.teleportPacket, double.class, 0);
+    private static final Reflection.FieldAccessor<Double> teleportY = Reflection.getField(REntity.teleportPacket, double.class, 1);
+    private static final Reflection.FieldAccessor<Double> teleportZ = Reflection.getField(REntity.teleportPacket, double.class, 2);
+    @Override
+    public void setTeleportPacketPosition(Object packet, double x, double y, double z) {
+        teleportX.set(packet, x);
+        teleportY.set(packet, y);
+        teleportZ.set(packet, z);
+    }
+
+    private static final Reflection.FieldAccessor<UUID> spawnUUID = Reflection.getField(REntity.spawnPacket, UUID.class, 0);
+    @Override
+    public void setSpawnPacketUUID(Object packet, UUID uuid) {
+        spawnUUID.set(packet, uuid);
+    }
+
+    private static final Class<?> enumItemSlot = Reflection.getClass("{nms}.EnumItemSlot");
+    private static final Reflection.FieldAccessor<?> equipmentSlot = Reflection.getField(REntity.equipmentPacket, enumItemSlot, 0);
+    private static final Object[] itemSlots = enumItemSlot.getEnumConstants();
+    @Override
+    public void setEquipmentPacketSlot(Object packet, String slot) {
+        switch(slot){
+            case "HEAD":
+                equipmentSlot.set(packet, itemSlots[5]);
+                break;
+            case "CHEST":
+                equipmentSlot.set(packet, itemSlots[4]);
+                break;
+            case "LEGS":
+                equipmentSlot.set(packet, itemSlots[3]);
+                break;
+            case "FEET":
+                equipmentSlot.set(packet, itemSlots[2]);
+                break;
+            case "OFFHAND":
+                equipmentSlot.set(packet, itemSlots[1]);
+                break;
+            case "MAINHAND":
+            default:
+                equipmentSlot.set(packet, itemSlots[0]);
+        }
+    }
 }

FightSystem_9/src/de/steamwar/fightsystem/utils/TechHider9.java

@@ -1,7 +1,7 @@
 /*
     This file is a part of the SteamWar software.
 
-    Copyright (C) 2020  SteamWar.de-Serverteam
+    Copyright (C) 2021  SteamWar.de-Serverteam
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as published by
@@ -19,64 +19,21 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.PacketType;
-import com.comphenix.protocol.events.PacketAdapter;
-import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.reflect.StructureModifier;
-import com.comphenix.protocol.wrappers.nbt.NbtBase;
-import com.comphenix.protocol.wrappers.nbt.NbtCompound;
-import de.steamwar.fightsystem.Config;
-import de.steamwar.fightsystem.FightSystem;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.UnpooledByteBufAllocator;
 import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
 
-import java.util.List;
 import java.util.Set;
+import java.util.function.BiFunction;
 import java.util.logging.Level;
 
-import static de.steamwar.fightsystem.utils.TechHider.bypass;
+public class TechHider9 implements BiFunction<byte[], Integer, byte[]> {
-
-public class TechHider12 extends PacketAdapter {
 
     private final Set<Integer> hiddenBlockIds = BlockIdWrapper.impl.getHiddenBlockIds();
     private final int obfuscateWith = BlockIdWrapper.impl.getObfuscateWith();
 
-    public TechHider12() {
-        super(FightSystem.getPlugin(), PacketType.Play.Server.MAP_CHUNK);
-    }
-
     @Override
-    public void onPacketSending(PacketEvent e) {
+    public byte[] apply(byte[] data, Integer primaryBitMask) {
-        PacketContainer packet = e.getPacket();
-        StructureModifier<Integer> ints = packet.getIntegers();
-
-        int chunkX = ints.read(0);
-        int chunkZ = ints.read(1);
-        Player p = e.getPlayer();
-        if(bypass(p, chunkX, chunkZ))
-            return;
-
-        packet = packet.shallowClone();
-        e.setPacket(packet);
-        StructureModifier<List<NbtBase<?>>> list = packet.getListNbtModifier();
-        List<NbtBase<?>> nmsTags = list.read(0);
-        boolean changed = false;
-        for(int i = nmsTags.size() - 1; i >= 0; i--){
-            NbtCompound nbt = (NbtCompound)nmsTags.get(i);
-            if(Config.HiddenBlockEntities.contains(nbt.getString("id"))){
-                nmsTags.remove(i);
-                changed = true;
-            }
-        }
-        if(changed)
-            list.write(0, nmsTags);
-
-        changed = false;
-        StructureModifier<byte[]> byteArray = packet.getByteArrays();
-        byte [] data = byteArray.read(0);
         ByteBuf buffer = UnpooledByteBufAllocator.DEFAULT.directBuffer(data.length + 100);
         int i = 0;
 
@@ -96,7 +53,6 @@ public class TechHider12 extends PacketAdapter {
 
                     if(hiddenBlockIds.contains(entry)){
                         entry = obfuscateWith;
-                        changed = true;
                     }
                     buffer.writeBytes(TechHider.writeVarInt(entry));
                 }
@@ -115,10 +71,8 @@ public class TechHider12 extends PacketAdapter {
             i += 4096; //Skylight (Not in Nether/End!!!) 2048 + Blocklight 2048
         }
 
-        if(changed){
         data = new byte[buffer.readableBytes()];
         buffer.readBytes(data);
-            byteArray.write(0, data);
+        return data;
-        }
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.java

@@ -142,6 +142,8 @@ public class FightSystem extends JavaPlugin {
             getLogger().log(Level.SEVERE, "Failed to replace commands", e);
         }
 
+        REntity.initWatchers();
+
         if(Config.mode == ArenaMode.EVENT) {
             setPreSchemState();
         }else if(Config.mode == ArenaMode.CHECK){

FightSystem_Core/src/de/steamwar/fightsystem/fight/Fight.java

@@ -19,26 +19,21 @@
 
 package de.steamwar.fightsystem.fight;
 
-import com.comphenix.protocol.PacketType;
+import com.comphenix.tinyprotocol.Reflection;
-import com.comphenix.protocol.ProtocolLibrary;
+import com.mojang.authlib.GameProfile;
-import com.comphenix.protocol.events.PacketContainer;
+import de.steamwar.core.Core;
-import com.comphenix.protocol.wrappers.EnumWrappers;
-import com.comphenix.protocol.wrappers.PlayerInfoData;
-import com.comphenix.protocol.wrappers.WrappedChatComponent;
-import com.comphenix.protocol.wrappers.WrappedGameProfile;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.record.GlobalRecorder;
+import de.steamwar.fightsystem.utils.ProtocolAPI;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.Sound;
 import org.bukkit.entity.Player;
 
-import java.lang.reflect.InvocationTargetException;
+import java.util.Collections;
-import java.util.ArrayList;
 import java.util.List;
-import java.util.logging.Level;
 
 public class Fight {
     private Fight(){}
@@ -105,6 +100,7 @@ public class Fight {
         return null;
     }
 
+    @SuppressWarnings("deprecation")
     public static void setPlayerGamemode(Player player, GameMode gameMode) {
         player.setGameMode(gameMode);
 
@@ -134,17 +130,30 @@ public class Fight {
         }
     }
 
+    private static final Class<?> playerInfoPacket = Reflection.getClass("{nms}.PacketPlayOutPlayerInfo");
+    private static final Reflection.ConstructorInvoker playerInfoConstructor = Reflection.getConstructor(playerInfoPacket);
+    private static final Class<?> playerInfoActionClass = Reflection.getClass("{nms}.PacketPlayOutPlayerInfo$EnumPlayerInfoAction");
+    public static final Object addPlayer = playerInfoActionClass.getEnumConstants()[0];
+    private static final Reflection.FieldAccessor<?> playerInfoAction = Reflection.getField(playerInfoPacket, playerInfoActionClass, 0);
+    private static final Object updateGamemode = playerInfoActionClass.getEnumConstants()[1];
+    public static final Object removePlayer = playerInfoActionClass.getEnumConstants()[4];
+    private static final Reflection.FieldAccessor<List> playerInfoData = Reflection.getField(playerInfoPacket, List.class, 0);
+    private static final Class<?> playerInfoDataClass = Reflection.getClass("{nms}.PacketPlayOutPlayerInfo$PlayerInfoData");
+    private static final Class<?> enumGamemode = Reflection.getClass(Core.getVersion() > 9 ? "{nms}.EnumGamemode" : "{nms}.WorldSettings$EnumGamemode");
+    public static final Object creative = enumGamemode.getEnumConstants()[2];
+    private static final Object spectator = enumGamemode.getEnumConstants()[4];
+    private static final Class<?> iChatBaseComponent = Reflection.getClass("{nms}.IChatBaseComponent");
+
+    private static final Reflection.ConstructorInvoker playerInfoDataConstructor = Reflection.getConstructor(playerInfoDataClass, playerInfoPacket, GameProfile.class, int.class, enumGamemode, iChatBaseComponent);
     public static void pseudoSpectator(Player player, boolean enable) {
-        PacketContainer gm1packet = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.PLAYER_INFO);
+        ProtocolAPI.tinyProtocol.sendPacket(player, playerInfoPacket(updateGamemode, new GameProfile(player.getUniqueId(), player.getName()), enable ? creative : spectator));
-        gm1packet.getPlayerInfoAction().write(0, EnumWrappers.PlayerInfoAction.UPDATE_GAME_MODE);
-        List<PlayerInfoData> playerInfoActions = new ArrayList<>();
-        playerInfoActions.add(new PlayerInfoData(WrappedGameProfile.fromPlayer(player), 1, enable ? EnumWrappers.NativeGameMode.CREATIVE : EnumWrappers.NativeGameMode.SPECTATOR, WrappedChatComponent.fromText(player.getDisplayName())));
-        gm1packet.getPlayerInfoDataLists().write(0, playerInfoActions);
-        try {
-            ProtocolLibrary.getProtocolManager().sendServerPacket(player, gm1packet);
-        } catch (InvocationTargetException e) {
-            Bukkit.getLogger().log(Level.SEVERE, "Invocation target exception", e);
     }
+
+    public static Object playerInfoPacket(Object action, GameProfile profile, Object mode) {
+        Object packet = playerInfoConstructor.invoke();
+        playerInfoAction.set(packet, action);
+        playerInfoData.set(packet, Collections.singletonList(playerInfoDataConstructor.invoke(packet, profile, 0, mode, null)));
+        return packet;
     }
 
     public static int getMaxRank(){

FightSystem_Core/src/de/steamwar/fightsystem/listener/Recording.java

@@ -19,12 +19,7 @@
 
 package de.steamwar.fightsystem.listener;
 
-import com.comphenix.protocol.PacketType;
+import com.comphenix.tinyprotocol.Reflection;
-import com.comphenix.protocol.ProtocolLibrary;
-import com.comphenix.protocol.events.PacketAdapter;
-import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.wrappers.EnumWrappers;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.fight.Fight;
@@ -37,6 +32,7 @@ import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.states.StateDependentTask;
 import de.steamwar.fightsystem.utils.BountifulWrapper;
 import de.steamwar.fightsystem.utils.FlatteningWrapper;
+import de.steamwar.fightsystem.utils.ProtocolAPI;
 import de.steamwar.fightsystem.utils.SWSound;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -62,28 +58,6 @@ public class Recording implements Listener {
     private static final int AIR = 0;
     private static final Random random = new Random();
     private static final World world = Bukkit.getWorlds().get(0);
-    private static final PacketAdapter BOW_PACKET_PROCESSOR = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Client.BLOCK_PLACE) {
-        @Override
-        public void onPacketReceiving(PacketEvent event) {
-            PacketContainer packet = event.getPacket();
-            EnumWrappers.Hand hand = packet.getHands().read(0);
-            Player p = event.getPlayer();
-
-            if(!BountifulWrapper.impl.bowInHand(hand, p))
-                return;
-
-            GlobalRecorder.getInstance().bowSpan(p, true, hand != EnumWrappers.Hand.MAIN_HAND);
-        }
-    };
-    private static final PacketAdapter BOW_PACKET_DEDRAW_PROCESSOR = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Client.BLOCK_DIG) {
-        @Override
-        public void onPacketReceiving(PacketEvent e) {
-            PacketContainer packetDig = e.getPacket();
-            if(packetDig.getPlayerDigTypes().read(0) == EnumWrappers.PlayerDigType.RELEASE_USE_ITEM) {
-                GlobalRecorder.getInstance().bowSpan(e.getPlayer(), false, false);
-            }
-        }
-    };
 
     public static ItemStack disarmNull(ItemStack stack){
         if(stack == null)
@@ -118,14 +92,14 @@ public class Recording implements Listener {
         new StateDependent(ArenaMode.AntiReplay, FightState.Ingame) {
             @Override
             public void enable() {
-                ProtocolLibrary.getProtocolManager().addPacketListener(BOW_PACKET_PROCESSOR);
+                ProtocolAPI.setIncomingHandler(blockPlacePacket, Recording.this::blockPlace);
-                ProtocolLibrary.getProtocolManager().addPacketListener(BOW_PACKET_DEDRAW_PROCESSOR);
+                ProtocolAPI.setIncomingHandler(blockDigPacket, Recording.this::blockDig);
             }
 
             @Override
             public void disable() {
-                ProtocolLibrary.getProtocolManager().removePacketListener(BOW_PACKET_PROCESSOR);
+                ProtocolAPI.removeIncomingHandler(blockPlacePacket);
-                ProtocolLibrary.getProtocolManager().removePacketListener(BOW_PACKET_DEDRAW_PROCESSOR);
+                ProtocolAPI.removeIncomingHandler(blockDigPacket);
             }
         }.register();
         new StateDependentTask(ArenaMode.AntiReplay, FightState.All, () -> {
@@ -141,6 +115,24 @@ public class Recording implements Listener {
         }, 1, 1);
     }
 
+    private static final Class<?> blockDigPacket = Reflection.getClass("{nms}.PacketPlayInBlockDig");
+    private static final Class<?> playerDigType = blockDigPacket.getDeclaredClasses()[0];
+    private static final Reflection.FieldAccessor<?> blockDigType = Reflection.getField(blockDigPacket, playerDigType, 0);
+    private static final Object releaseUseItem = playerDigType.getEnumConstants()[5];
+    private Object blockDig(Player p, Object packet) {
+        if(blockDigType.get(packet) == releaseUseItem)
+            GlobalRecorder.getInstance().bowSpan(p, false, false);
+        return packet;
+    }
+
+    public static final Class<?> blockPlacePacket = Reflection.getClass("{nms}.PacketPlayInBlockPlace");
+    private Object blockPlace(Player p, Object packet) {
+        boolean mainHand = BountifulWrapper.impl.mainHand(packet);
+        if(BountifulWrapper.impl.bowInHand(mainHand, p))
+            GlobalRecorder.getInstance().bowSpan(p, true, !mainHand);
+        return packet;
+    }
+
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onPlayerMove(PlayerMoveEvent e){
         if(isNotSent(e.getPlayer()))
@@ -231,7 +223,7 @@ public class Recording implements Listener {
         Location loc = e.getLocation();
         GlobalRecorder.getInstance().entityDespawns(e.getEntity());
         GlobalRecorder.getInstance().particle(loc.getX(), loc.getY(), loc.getZ(), "EXPLOSION_HUGE");
-        GlobalRecorder.getInstance().sound(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), SWSound.ENTITY_GENERIC_EXPLODE, EnumWrappers.SoundCategory.BLOCKS.name(), 4.0F, (1.0F + (random.nextFloat() - random.nextFloat()) * 0.2F) * 0.7F);
+        GlobalRecorder.getInstance().sound(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), SWSound.ENTITY_GENERIC_EXPLODE, "BLOCKS", 4.0F, (1.0F + (random.nextFloat() - random.nextFloat()) * 0.2F) * 0.7F);
     }
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)

FightSystem_Core/src/de/steamwar/fightsystem/record/REntity.java

@@ -19,18 +19,16 @@
 
 package de.steamwar.fightsystem.record;
 
-import com.comphenix.protocol.PacketType;
+import com.comphenix.tinyprotocol.Reflection;
-import com.comphenix.protocol.ProtocolLibrary;
-import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.reflect.StructureModifier;
-import com.comphenix.protocol.wrappers.*;
 import com.mojang.authlib.GameProfile;
 import de.steamwar.core.Core;
+import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.listener.FightScoreboard;
 import de.steamwar.fightsystem.utils.BlockIdWrapper;
+import de.steamwar.fightsystem.utils.BountifulWrapper;
+import de.steamwar.fightsystem.utils.FlatteningWrapper;
+import de.steamwar.fightsystem.utils.ProtocolAPI;
 import de.steamwar.sql.SteamwarUser;
-import net.royawesome.jlibnoise.MathHelper;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.EntityType;
@@ -39,9 +37,7 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.scoreboard.NameTagVisibility;
 import org.bukkit.scoreboard.Team;
 
-import java.lang.reflect.InvocationTargetException;
 import java.util.*;
-import java.util.logging.Level;
 
 public class REntity {
 
@@ -51,45 +47,50 @@ public class REntity {
         return entities.get(internalId);
     }
 
+    private static Object entityStatusWatcher;
+    private static Object sneakingDataWatcher;
+    private static Object bowDrawnWatcher;
+    public static void initWatchers() {
+        // not during <clinit> to prevent cyclic class init.
+        entityStatusWatcher = BountifulWrapper.impl.getDataWatcherObject(0, Byte.class);
+        sneakingDataWatcher = BountifulWrapper.impl.getDataWatcherObject(Core.getVersion() > 12 ? 6 : 0, BlockIdWrapper.impl.getPose(true).getClass());
+        bowDrawnWatcher = BountifulWrapper.impl.getDataWatcherObject(Core.getVersion() > 12 ? 7 : 6, Byte.class);
+    }
+
+
     public static void tickFire() {
         entities.forEach((integer, entity) -> {
             if(entity.fireTick > 0) {
                 entity.fireTick--;
                 if(entity.fireTick == 0) {
-                    ProtocolLibrary.getProtocolManager().broadcastServerPacket(entity.getDataWatcherPacket(0, (byte)0));
+                    ProtocolAPI.broadcastPacket(entity.getDataWatcherPacket(entityStatusWatcher, (byte)0));
                 }
             }
         });
     }
 
     public static void playerJoins(Player player) {
-        try{
         for(REntity entity : entities.values()){
             if(entity.entityType == EntityType.PLAYER){
-                    ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getPlayerInfoPacket());
+                ProtocolAPI.tinyProtocol.sendPacket(player, entity.getPlayerInfoPacket());
-                    ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getNamedSpawnPacket());
+                ProtocolAPI.tinyProtocol.sendPacket(player, entity.getNamedSpawnPacket());
                 for (Map.Entry<String, ItemStack> entry : entity.itemSlots.entrySet()) {
-                        ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getEquipmentPacket(entry.getKey(), entry.getValue()));
+                    ProtocolAPI.tinyProtocol.sendPacket(player, entity.getEquipmentPacket(entry.getKey(), entry.getValue()));
                 }
             }else{
-                    ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getSpawnEntityPacket());
+                ProtocolAPI.tinyProtocol.sendPacket(player, entity.getSpawnEntityPacket());
             }
-                //ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getTeleportPacket()); Sollte nicht nötig sein?
+            ProtocolAPI.tinyProtocol.sendPacket(player, entity.getTeleportPacket());
+            ProtocolAPI.tinyProtocol.sendPacket(player, entity.getHeadRotationPacket());
+
             if(entity.fireTick != 0) {
-                    ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getDataWatcherPacket(0, (byte) 1));
+                ProtocolAPI.tinyProtocol.sendPacket(player, entity.getDataWatcherPacket(entityStatusWatcher, (byte) 1));
             }
             if(entity.sneaks) {
-                    if(Core.getVersion() > 12){
+                ProtocolAPI.tinyProtocol.sendPacket(player, entity.getDataWatcherPacket(sneakingDataWatcher, BlockIdWrapper.impl.getPose(true)));
-                        ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getDataWatcherPacket(6, BlockIdWrapper.impl.getPose(true)));
-                    }else{
-                        ProtocolLibrary.getProtocolManager().sendServerPacket(player, entity.getDataWatcherPacket(0, (byte) 2));
             }
         }
     }
-        }catch(InvocationTargetException e){
-            Bukkit.getLogger().log(Level.SEVERE, "Could not sync player", e);
-        }
-    }
 
     public static void dieAll(){
         entities.forEach((id, entity) -> entity.broadcastDeath());
@@ -114,7 +115,7 @@ public class REntity {
     private final int entityId;
     private final UUID uuid;
     private final EntityType entityType;
-    private final PlayerInfoData playerInfoData;
+    private final String name;
     private final Map<String, ItemStack> itemSlots = new HashMap<>();
 
     private double locX;
@@ -133,23 +134,23 @@ public class REntity {
 
         SteamwarUser user = SteamwarUser.get(userId);
         this.uuid = user.getUUID();
-        this.playerInfoData = new PlayerInfoData(WrappedGameProfile.fromHandle(new GameProfile(uuid, user.getUserName())), 0, EnumWrappers.NativeGameMode.SURVIVAL, WrappedChatComponent.fromText(user.getUserName()));
+        this.name = user.getUserName();
         entities.put(internalId, this);
 
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getPlayerInfoPacket());
+        ProtocolAPI.broadcastPacket(getPlayerInfoPacket());
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getNamedSpawnPacket());
+        ProtocolAPI.broadcastPacket(getNamedSpawnPacket());
-        team.addEntry(user.getUserName());
+        team.addEntry(name);
     }
 
     public REntity(int internalId, EntityType entityType){
         this.internalId = internalId;
         this.entityType = entityType;
         this.entityId = entityCount--;
-        this.playerInfoData = null;
+        this.name = null;
         this.uuid = new UUID(random.nextLong() & -61441L | 16384L, random.nextLong() & 4611686018427387903L | -9223372036854775808L);
         entities.put(internalId, this);
 
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getSpawnEntityPacket());
+        ProtocolAPI.broadcastPacket(getSpawnEntityPacket());
     }
 
     public void move(double locX, double locY, double locZ, float pitch, float yaw, byte headYaw){
@@ -159,43 +160,50 @@ public class REntity {
         this.yaw = (byte)((int)(yaw * 256.0F / 360.0F));
         this.pitch = (byte)((int)(pitch * 256.0F / 360.0F));
         this.headYaw = headYaw;
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getTeleportPacket());
+        ProtocolAPI.broadcastPacket(getTeleportPacket());
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getHeadRotationPacket());
+        ProtocolAPI.broadcastPacket(getHeadRotationPacket());
     }
 
+    private static final Class<?> animationPacket = Reflection.getClass("{nms}.PacketPlayOutAnimation");
+    private static final Reflection.ConstructorInvoker animationConstructor = Reflection.getConstructor(animationPacket);
+    private static final Reflection.FieldAccessor<Integer> animationEntity = Reflection.getField(animationPacket, int.class, 0);
+    private static final Reflection.FieldAccessor<Integer> animationAnimation = Reflection.getField(animationPacket, int.class, 1);
     public void animation(byte animation) {
-        PacketContainer animationPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ANIMATION);
+        Object packet = animationConstructor.invoke();
-        StructureModifier<Integer> ints = animationPacket.getIntegers();
+        animationEntity.set(packet, entityId);
-        ints.write(0, entityId);
+        animationAnimation.set(packet, (int) animation);
-        ints.write(1, (int) animation);
+        ProtocolAPI.broadcastPacket(packet);
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(animationPacket);
     }
 
+    private static final Class<?> velocityPacket = Reflection.getClass("{nms}.PacketPlayOutEntityVelocity");
+    private static final Reflection.ConstructorInvoker velocityConstructor = Reflection.getConstructor(velocityPacket);
+    private static final Reflection.FieldAccessor<Integer> velocityEntity = Reflection.getField(velocityPacket, int.class, 0);
+    private static final Reflection.FieldAccessor<Integer> velocityX = Reflection.getField(velocityPacket, int.class, 1);
+    private static final Reflection.FieldAccessor<Integer> velocityY = Reflection.getField(velocityPacket, int.class, 2);
+    private static final Reflection.FieldAccessor<Integer> velocityZ = Reflection.getField(velocityPacket, int.class, 3);
     public void setVelocity(double dX, double dY, double dZ) {
-        PacketContainer velocityPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_VELOCITY);
+        Object packet = velocityConstructor.invoke();
-        StructureModifier<Integer> ints = velocityPacket.getIntegers();
+        velocityEntity.set(packet, entityId);
-        ints.write(0, entityId);
+        velocityX.set(packet, calcVelocity(dX));
-        ints.write(1, calcVelocity(dX));
+        velocityY.set(packet, calcVelocity(dY));
-        ints.write(2, calcVelocity(dY));
+        velocityZ.set(packet, calcVelocity(dZ));
-        ints.write(3, calcVelocity(dZ));
+        ProtocolAPI.broadcastPacket(packet);
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(velocityPacket);
     }
 
+    private static final Class<?> statusPacket = Reflection.getClass("{nms}.PacketPlayOutEntityStatus");
+    private static final Reflection.ConstructorInvoker statusConstructor = Reflection.getConstructor(statusPacket);
+    private static final Reflection.FieldAccessor<Integer> statusEntity = Reflection.getField(statusPacket, int.class, 0);
+    private static final Reflection.FieldAccessor<Byte> statusStatus = Reflection.getField(statusPacket, byte.class, 0);
     public void damage() {
-        PacketContainer statusPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_STATUS);
+        Object packet = statusConstructor.invoke();
-        statusPacket.getIntegers().write(0, entityId);
+        statusEntity.set(packet, entityId);
-        statusPacket.getBytes().write(0, (byte) 2);
+        statusStatus.set(packet, (byte) 2);
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(statusPacket);
+        ProtocolAPI.broadcastPacket(packet);
     }
 
     public void sneak(boolean sneaking) {
         sneaks = sneaking;
-
+        ProtocolAPI.broadcastPacket(getDataWatcherPacket(sneakingDataWatcher, BlockIdWrapper.impl.getPose(sneaking)));
-        if(Core.getVersion() > 12){
-            ProtocolLibrary.getProtocolManager().broadcastServerPacket(getDataWatcherPacket(6, BlockIdWrapper.impl.getPose(sneaking)));
-        }else{
-            ProtocolLibrary.getProtocolManager().broadcastServerPacket(getDataWatcherPacket(0, sneaking ? (byte) 2 : (byte) 0));
-        }
     }
 
     public void setOnFire(boolean perma) {
@@ -205,14 +213,14 @@ public class REntity {
             fireTick = -1;
         }
 
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getDataWatcherPacket(0, (byte) 1));
+        ProtocolAPI.broadcastPacket(getDataWatcherPacket(entityStatusWatcher, (byte) 1));
     }
 
     public void setBowDrawn(boolean drawn, boolean offHand) {
         if(Core.getVersion() > 8){
-            ProtocolLibrary.getProtocolManager().broadcastServerPacket(getDataWatcherPacket(Core.getVersion() > 12 ? 7 : 6, (byte) ((drawn ? 1 : 0) + (offHand ? 2 : 0))));
+            ProtocolAPI.broadcastPacket(getDataWatcherPacket(bowDrawnWatcher, (byte) ((drawn ? 1 : 0) + (offHand ? 2 : 0))));
         }else{
-            ProtocolLibrary.getProtocolManager().broadcastServerPacket(getDataWatcherPacket(0, (byte)0x10));
+            ProtocolAPI.broadcastPacket(getDataWatcherPacket(entityStatusWatcher, (byte)0x10));
         }
     }
 
@@ -222,7 +230,7 @@ public class REntity {
             stack.addUnsafeEnchantment(Enchantment.DURABILITY, 1);
         itemSlots.put(slot, stack);
 
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(getEquipmentPacket(slot, stack));
+        ProtocolAPI.broadcastPacket(getEquipmentPacket(slot, stack));
     }
 
     public void die(){
@@ -230,144 +238,99 @@ public class REntity {
         entities.remove(internalId);
     }
 
+    private static final Class<?> destroyPacket = Reflection.getClass("{nms}.PacketPlayOutEntityDestroy");
+    private static final Reflection.ConstructorInvoker destroyConstructor = Reflection.getConstructor(destroyPacket);
+    private static final Reflection.FieldAccessor<int[]> destroyEntities = Reflection.getField(destroyPacket, int[].class, 0);
     private void broadcastDeath(){
         if(entityType == EntityType.PLAYER){
-            PacketContainer infoPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.PLAYER_INFO);
+            ProtocolAPI.broadcastPacket(Fight.playerInfoPacket(Fight.removePlayer, new GameProfile(uuid, name), Fight.creative));
-            infoPacket.getPlayerInfoAction().write(0, EnumWrappers.PlayerInfoAction.REMOVE_PLAYER);
+            team.removeEntry(name);
-            infoPacket.getPlayerInfoDataLists().write(0, Collections.singletonList(playerInfoData));
-            ProtocolLibrary.getProtocolManager().broadcastServerPacket(infoPacket);
-            team.removeEntry(playerInfoData.getProfile().getName());
         }
 
-        PacketContainer destroyPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_DESTROY);
+        Object packet = destroyConstructor.invoke();
-        destroyPacket.getIntegerArrays().write(0, new int[]{entityId});
+        destroyEntities.set(packet, new int[]{entityId});
-        ProtocolLibrary.getProtocolManager().broadcastServerPacket(destroyPacket);
+        ProtocolAPI.broadcastPacket(packet);
     }
 
     private int calcVelocity(double value) {
         return (int)(Math.max(-3.9, Math.min(value, 3.9)) * 8000);
     }
 
-    private void fillPositioningPacket(PacketContainer packet, StructureModifier<Integer> ints){
+    private static final Class<?> metadataPacket = Reflection.getClass("{nms}.PacketPlayOutEntityMetadata");
-        ints.write(0, entityId);
+    private static final Reflection.ConstructorInvoker metadataConstructor = Reflection.getConstructor(metadataPacket);
-        if(Core.getVersion() > 8){
+    private static final Reflection.FieldAccessor<Integer> metadataEntity = Reflection.getField(metadataPacket, int.class, 0);
-            StructureModifier<Double> doubles = packet.getDoubles();
+    private static final Reflection.FieldAccessor<List> metadataMetadata = Reflection.getField(metadataPacket, List.class, 0);
-            doubles.write(0, locX);
+    private Object getDataWatcherPacket(Object dataWatcherObject, Object value) {
-            doubles.write(1, locY);
+        Object packet = metadataConstructor.invoke();
-            doubles.write(2, locZ);
+        metadataEntity.set(packet, entityId);
-        }else{
+        metadataMetadata.set(packet, Collections.singletonList(BountifulWrapper.impl.getDataWatcherItem(dataWatcherObject, value)));
-            ints.write(1, MathHelper.floor(locX * 32));
+        return packet;
-            ints.write(2, MathHelper.floor(locY * 32));
-            ints.write(3, MathHelper.floor(locZ * 32));
-        }
     }
 
-    private void fillByteRotation(PacketContainer packet){
+    public static final Class<?> teleportPacket = Reflection.getClass("{nms}.PacketPlayOutEntityTeleport");
-        StructureModifier<Byte> bytes = packet.getBytes();
+    private static final Reflection.ConstructorInvoker teleportConstructor = Reflection.getConstructor(teleportPacket);
-        bytes.write(0, yaw);
+    private static final Reflection.FieldAccessor<Integer> teleportEntity = Reflection.getField(teleportPacket, int.class, 0);
-        bytes.write(1, pitch);
+    private static final Reflection.FieldAccessor<Byte> teleportYaw = Reflection.getField(teleportPacket, byte.class, 0);
+    private static final Reflection.FieldAccessor<Byte> teleportPitch = Reflection.getField(teleportPacket, byte.class, 1);
+    private Object getTeleportPacket(){
+        Object packet = teleportConstructor.invoke();
+        teleportEntity.set(packet, entityId);
+        BountifulWrapper.impl.setTeleportPacketPosition(packet, locX, locY, locZ);
+        teleportYaw.set(packet, yaw);
+        teleportPitch.set(packet, pitch);
+        return packet;
     }
 
-    private PacketContainer getDataWatcherPacket(int index, Object value) {
+    private static final Class<?> headRotationPacket = Reflection.getClass("{nms}.PacketPlayOutEntityHeadRotation");
-        PacketContainer metadataPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_METADATA);
+    private static final Reflection.ConstructorInvoker headRotationConstructor = Reflection.getConstructor(headRotationPacket);
-        metadataPacket.getIntegers().write(0, entityId);
+    private static final Reflection.FieldAccessor<Integer> headRotationEntity = Reflection.getField(headRotationPacket, int.class, 0);
-        WrappedWatchableObject watchable = new WrappedWatchableObject(new WrappedDataWatcher.WrappedDataWatcherObject(index, WrappedDataWatcher.Registry.get(value.getClass())), value);
+    private static final Reflection.FieldAccessor<Byte> headRotationYaw = Reflection.getField(headRotationPacket, byte.class, 0);
-        watchable.setDirtyState(true);
+    private Object getHeadRotationPacket(){
-        metadataPacket.getWatchableCollectionModifier().write(0, Collections.singletonList(watchable));
+        Object packet = headRotationConstructor.invoke();
-        return metadataPacket;
+        headRotationEntity.set(packet, entityId);
+        headRotationYaw.set(packet, headYaw);
+        return packet;
     }
 
-    private PacketContainer getTeleportPacket(){
+    public static final Class<?> spawnPacket = Reflection.getClass("{nms}.PacketPlayOutSpawnEntity");
-        PacketContainer teleportPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_TELEPORT);
+    private static final Reflection.ConstructorInvoker spawnConstructor = Reflection.getConstructor(spawnPacket);
-        fillPositioningPacket(teleportPacket, teleportPacket.getIntegers());
+    private static final Reflection.FieldAccessor<Integer> spawnEntity = Reflection.getField(spawnPacket, int.class, 0);
-        fillByteRotation(teleportPacket);
+    private Object getSpawnEntityPacket(){
-        return teleportPacket;
+        Object packet = spawnConstructor.invoke();
+        spawnEntity.set(packet, entityId);
+        BountifulWrapper.impl.setSpawnPacketUUID(packet, uuid);
+        FlatteningWrapper.impl.setSpawnPacketType(packet, entityType);
+        return packet;
     }
 
-    private PacketContainer getHeadRotationPacket(){
+    public static final Class<?> equipmentPacket = Reflection.getClass("{nms}.PacketPlayOutEntityEquipment");
-        PacketContainer headRotation = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_HEAD_ROTATION);
+    private static final Reflection.ConstructorInvoker equipmentConstructor = Reflection.getConstructor(equipmentPacket);
-        headRotation.getIntegers().write(0, entityId);
+    private static final Reflection.FieldAccessor<Integer> equipmentEntity = Reflection.getField(equipmentPacket, int.class, 0);
-        headRotation.getBytes().write(0, headYaw);
+    private static final Class<?> itemStack = Reflection.getClass("{nms}.ItemStack");
-        return headRotation;
+    private static final Reflection.FieldAccessor<?> equipmentStack = Reflection.getField(equipmentPacket, itemStack, 0);
+    private static final Class<?> craftItemStack = Reflection.getClass("{obc}.inventory.CraftItemStack");
+    private static final Reflection.MethodInvoker asNMSCopy = Reflection.getTypedMethod(craftItemStack, "asNMSCopy", itemStack, ItemStack.class);
+    private Object getEquipmentPacket(String slot, ItemStack stack){
+        Object packet = equipmentConstructor.invoke();
+        equipmentEntity.set(packet, entityId);
+        BountifulWrapper.impl.setEquipmentPacketSlot(packet, slot);
+        equipmentStack.set(packet, asNMSCopy.invoke(null, stack));
+        return packet;
     }
 
-    private PacketContainer getSpawnEntityPacket(){
+    private Object getPlayerInfoPacket(){
-        PacketContainer spawnPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.SPAWN_ENTITY);
+        return Fight.playerInfoPacket(Fight.addPlayer, new GameProfile(uuid, name), Fight.creative);
-        StructureModifier<Integer> ints = spawnPacket.getIntegers();
-        fillPositioningPacket(spawnPacket, ints);
-        spawnPacket.getUUIDs().write(0, uuid);
-        if(Core.getVersion() > 8){
-            spawnPacket.getUUIDs().write(0, uuid);
-            ints.write(1, 0); // dX
-            ints.write(2, 0); // dY
-            ints.write(3, 0); // dZ
-        }
-        ints.write(4, (int)pitch);
-        ints.write(5, (int)yaw);
-        if(Core.getVersion() > 12){
-            spawnPacket.getEntityTypeModifier().write(0, entityType);
-        }else{
-            switch(entityType){
-                case PRIMED_TNT:
-                    ints.write(6, 50);
-                    break;
-                case ARROW:
-                    ints.write(6, 60);
-                    break;
-                case FIREBALL:
-                    ints.write(6, 63);
-                    break;
-            }
-        }
-        return spawnPacket;
     }
 
-    private PacketContainer getEquipmentPacket(String slot, ItemStack stack){
+    public static final Class<?> namedSpawnPacket = Reflection.getClass("{nms}.PacketPlayOutNamedEntitySpawn");
-        PacketContainer equipmentPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.ENTITY_EQUIPMENT);
+    private static final Reflection.ConstructorInvoker namedSpawnConstructor = Reflection.getConstructor(namedSpawnPacket);
-        StructureModifier<Integer> ints = equipmentPacket.getIntegers();
+    private static final Reflection.FieldAccessor<Integer> namedSpawnEntity = Reflection.getField(namedSpawnPacket, int.class, 0);
-        ints.write(0, entityId);
+    private static final Reflection.FieldAccessor<UUID> namedSpawnUUID = Reflection.getField(namedSpawnPacket, UUID.class, 0);
-        if(Core.getVersion() == 8){
+    private Object getNamedSpawnPacket(){
-            switch(slot){
+        Object packet = namedSpawnConstructor.invoke();
-                case "MAINHAND":
+        namedSpawnEntity.set(packet, entityId);
-                case "OFFHAND":
+        namedSpawnUUID.set(packet, uuid);
-                    ints.write(1, 0);
+        FlatteningWrapper.impl.setNamedSpawnPacketDataWatcher(packet);
-                    break;
+        return packet;
-                case "HEAD":
-                    ints.write(1, 4);
-                    break;
-                case "CHEST":
-                    ints.write(1, 3);
-                    break;
-                case "LEGS":
-                    ints.write(1, 2);
-                    break;
-                case "FEET":
-                default:
-                    ints.write(1, 1);
-            }
-        }else{
-            equipmentPacket.getItemSlots().write(0, EnumWrappers.ItemSlot.valueOf(slot));
-        }
-        equipmentPacket.getItemModifier().write(0, stack);
-        return equipmentPacket;
-    }
-
-    private PacketContainer getPlayerInfoPacket(){
-        PacketContainer infoPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.PLAYER_INFO);
-        infoPacket.getPlayerInfoAction().write(0, EnumWrappers.PlayerInfoAction.ADD_PLAYER);
-        infoPacket.getPlayerInfoDataLists().write(0, Collections.singletonList(playerInfoData));
-        return infoPacket;
-    }
-
-    private PacketContainer getNamedSpawnPacket(){
-        PacketContainer namedSpawnPacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.NAMED_ENTITY_SPAWN);
-        StructureModifier<Integer> ints = namedSpawnPacket.getIntegers();
-        fillPositioningPacket(namedSpawnPacket, ints);
-        namedSpawnPacket.getUUIDs().write(0, uuid);
-        fillByteRotation(namedSpawnPacket);
-        if(Core.getVersion() < 13){
-            namedSpawnPacket.getDataWatcherModifier().write(0, new WrappedDataWatcher());
-        }
-        return namedSpawnPacket;
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/BountifulWrapper.java

@@ -19,7 +19,6 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.wrappers.EnumWrappers;
 import de.steamwar.fightsystem.VersionDependent;
 import net.md_5.bungee.api.chat.BaseComponent;
 import org.bukkit.World;
@@ -27,13 +26,16 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.Listener;
 import org.bukkit.scoreboard.Team;
 
+import java.util.UUID;
+
 public class BountifulWrapper {
     private BountifulWrapper() {}
 
     public static final IBountifulWrapper impl = VersionDependent.getVersionImpl(BountifulWrapper.class.getName());
 
     public interface IBountifulWrapper {
-        boolean bowInHand(EnumWrappers.Hand hand, Player p);
+        boolean mainHand(Object packet);
+        boolean bowInHand(boolean mainHand, Player p);
 
         void toActionbar(Player player, BaseComponent... components);
         void toChat(Player player, BaseComponent... components);
@@ -49,5 +51,11 @@ public class BountifulWrapper {
         Listener newHandSwapRecorder();
 
         void spawnParticle(World world, String particleName, double x, double y, double z);
+
+        Object getDataWatcherObject(int index, Class<?> type);
+        Object getDataWatcherItem(Object dataWatcherObject, Object value);
+        void setTeleportPacketPosition(Object packet, double x, double y, double z);
+        void setSpawnPacketUUID(Object packet, UUID uuid);
+        void setEquipmentPacketSlot(Object packet, String slot);
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/FlatteningWrapper.java

@@ -24,6 +24,7 @@ import org.bukkit.DyeColor;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
+import org.bukkit.entity.EntityType;
 import org.bukkit.event.block.BlockPhysicsEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -49,5 +50,8 @@ public class FlatteningWrapper {
         void forceLoadChunk(World world, int cX, int cZ);
 
         boolean checkPistonMoving(Block block);
+
+        void setNamedSpawnPacketDataWatcher(Object packet);
+        void setSpawnPacketType(Object packet, EntityType type);
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/ProtocolAPI.java

@@ -0,0 +1,138 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2021  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.fightsystem.FightSystem;
+import io.netty.channel.Channel;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+
+import java.lang.reflect.Array;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
+import java.util.function.UnaryOperator;
+
+public class ProtocolAPI {
+    private ProtocolAPI() {}
+
+    private static final Map<Class<?>, BiFunction<Player, Object, Object>> outgoingHandler = new HashMap<>();
+    private static final Map<Class<?>, BiFunction<Player, Object, Object>> incomingHandler = new HashMap<>();
+
+    public static final TinyProtocol tinyProtocol = new TinyProtocol(FightSystem.getPlugin()) {
+        @Override
+        public Object onPacketOutAsync(Player receiver, Channel channel, Object packet) {
+            BiFunction<Player, Object, Object> handler = outgoingHandler.get(packet.getClass());
+            if(handler == null)
+                return packet;
+            return handler.apply(receiver, packet);
+        }
+
+        @Override
+        public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
+            BiFunction<Player, Object, Object> handler = incomingHandler.get(packet.getClass());
+            if(handler == null)
+                return packet;
+            return handler.apply(sender, packet);
+        }
+    };
+
+    public static void setOutgoingHandler(Class<?> packetClass, BiFunction<Player, Object, Object> handler) {
+        outgoingHandler.put(packetClass, handler);
+    }
+
+    public static void removeOutgoingHandler(Class<?> packetClass) {
+        outgoingHandler.remove(packetClass);
+    }
+
+    public static void setIncomingHandler(Class<?> packetClass, BiFunction<Player, Object, Object> handler) {
+        incomingHandler.put(packetClass, handler);
+    }
+
+    public static void removeIncomingHandler(Class<?> packetClass) {
+        incomingHandler.remove(packetClass);
+    }
+
+    public static void broadcastPacket(Object packet) {
+        Bukkit.getOnlinePlayers().stream().map(tinyProtocol::getChannel).filter(tinyProtocol::hasInjected).forEach(channel -> tinyProtocol.sendPacket(channel, packet));
+    }
+
+    public static BiFunction<Object, UnaryOperator<Object>, Object> arrayCloneGenerator(Class<?> elementClass) {
+        return (array, worker) -> {
+            int length = Array.getLength(array);
+            Object result = Array.newInstance(elementClass, length);
+
+            for(int i = 0; i < length; i++)
+                Array.set(result, i, worker.apply(Array.get(array, i)));
+
+            return result;
+        };
+    }
+
+    public static UnaryOperator<Object> shallowCloneGenerator(Class<?> clazz) {
+        BiConsumer<Object, Object> filler = shallowFill(clazz);
+
+        return source -> {
+            Object clone;
+            try {
+                clone = clazz.newInstance();
+            } catch (InstantiationException | IllegalAccessException e) {
+                throw new IllegalStateException("Could not clone " + clazz.getName(), e);
+            }
+            filler.accept(source, clone);
+            return clone;
+        };
+    }
+
+    private static BiConsumer<Object, Object> shallowFill(Class<?> clazz) {
+        if(clazz == null)
+            return (source, clone) -> {};
+
+        BiConsumer<Object, Object> superFiller = shallowFill(clazz.getSuperclass());
+
+        Field[] fds = clazz.getDeclaredFields();
+        List<Field> fields = new ArrayList<>();
+        for(Field field : fds) {
+            if (Modifier.isStatic(field.getModifiers()))
+                continue;
+
+            field.setAccessible(true);
+            fields.add(field);
+        }
+
+        return (source, clone) -> {
+            superFiller.accept(source, clone);
+            try {
+                for(Field field : fields) {
+                    field.set(clone, field.get(source));
+                }
+            } catch (IllegalAccessException e) {
+                throw new IllegalStateException("Could not set field", e);
+            }
+
+        };
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/utils/TechHider.java

@@ -19,21 +19,10 @@
 
 package de.steamwar.fightsystem.utils;
 
-import com.comphenix.protocol.PacketType;
+import com.comphenix.tinyprotocol.Reflection;
-import com.comphenix.protocol.ProtocolLibrary;
-import com.comphenix.protocol.ProtocolManager;
-import com.comphenix.protocol.events.PacketAdapter;
-import com.comphenix.protocol.events.PacketContainer;
-import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.reflect.StructureModifier;
-import com.comphenix.protocol.wrappers.BlockPosition;
-import com.comphenix.protocol.wrappers.ChunkCoordIntPair;
-import com.comphenix.protocol.wrappers.MultiBlockChangeInfo;
-import com.comphenix.protocol.wrappers.WrappedBlockData;
 import com.google.common.primitives.Bytes;
 import de.steamwar.core.Core;
 import de.steamwar.core.events.ChunkListener;
-import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.VersionDependent;
@@ -41,212 +30,197 @@ import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependent;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.UnpooledByteBufAllocator;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 
 import java.util.*;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.UnaryOperator;
+import java.util.stream.Collectors;
 
 public class TechHider extends StateDependent {
 
+    private static final Class<?> blockPosition = Reflection.getClass("{nms}.BlockPosition");
+    private static final Class<?> baseBlockPosition = Reflection.getClass("{nms}.BaseBlockPosition");
+    private static final Reflection.FieldAccessor<Integer> blockPositionX = Reflection.getField(baseBlockPosition, int.class, 0);
+    private static final Reflection.FieldAccessor<Integer> blockPositionZ = Reflection.getField(baseBlockPosition, int.class, 2);
+
+    private static final Class<?> iBlockData = Reflection.getClass("{nms}.IBlockData");
+    private static final Class<?> block = Reflection.getClass("{nms}.Block");
+    private static final Reflection.MethodInvoker getBlockByBlockData = Reflection.getTypedMethod(iBlockData, "getBlock", block);
+    private static final Reflection.MethodInvoker getBlockDataByBlock = Reflection.getTypedMethod(block, "getBlockData", iBlockData);
+
+    private static final Class<?> craftMagicNumbers = Reflection.getClass("{obc}.util.CraftMagicNumbers");
+    private static final Reflection.MethodInvoker getMaterialByBlock = Reflection.getTypedMethod(craftMagicNumbers, "getMaterial", Material.class, block);
+    private static final Reflection.MethodInvoker getBlockByMaterial = Reflection.getTypedMethod(craftMagicNumbers, "getBlock", block, Material.class);
+
     public static final boolean ENABLED = !Config.OnlyPublicSchematics && !Config.test() && Config.TechhiderActive;
 
-    private final ProtocolManager protocolManager = ProtocolLibrary.getProtocolManager();
+    private final Object obfuscateIBlockData = getBlockDataByBlock.invoke(getBlockByMaterial.invoke(null, Material.getMaterial(Config.ObfuscateWith.toUpperCase())));
-    private final Map<PacketContainer, PacketContainer> packetCache = new HashMap<>();
+    private final Map<Class<?>, BiFunction<Player, Object, Object>> techhiders = new HashMap<>();
-    private final Material obfuscateMaterial;
+    private final BiFunction<byte[], Integer, byte[]> chunkDataHider;
-    private final PacketAdapter chunkHider;
-    private final int threadMultiplier;
 
     public TechHider(){
         super(ENABLED, FightState.Schem);
 
-        obfuscateMaterial = Material.getMaterial(Config.ObfuscateWith.toUpperCase());
+        chunkDataHider = VersionDependent.getVersionImpl(TechHider.class.getName());
-        chunkHider = VersionDependent.getVersionImpl(TechHider.class.getName());
 
-        if(Config.mode == ArenaMode.EVENT)
+        techhiders.put(blockActionPacket, this::blockActionHider);
-            threadMultiplier = 4;
+        techhiders.put(blockChangePacket, this::blockChangeHider);
-        else
+        techhiders.put(tileEntityDataPacket, this::tileEntityDataHider);
-            threadMultiplier = 1;
+        techhiders.put(multiBlockChangePacket, this::multiBlockChangeHider);
-
+        if(Core.getVersion() > 8) {
-        Bukkit.getScheduler().runTaskTimer(FightSystem.getPlugin(), packetCache::clear, 1, 1);
+            techhiders.put(mapChunkPacket, this::mapChunkHider);
+        }
+        if(Core.getVersion() > 12) {
+            Class<?> blockBreakClass = Reflection.getClass("{nms}.PacketPlayOutBlockBreak");
+            techhiders.put(blockBreakClass, blockBreakHiderGenerator(blockBreakClass));
+        }
 
         if(Core.getVersion() > 8){
-            protocolManager.addPacketListener(new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Client.USE_ITEM) {
+            ProtocolAPI.setIncomingHandler(Reflection.getClass("{nms}.PacketPlayInUseItem"), (p, packet) -> p.getGameMode() == GameMode.SPECTATOR ? null : packet);
-                @Override
+        }
-                public void onPacketReceiving(PacketEvent e) {
+        ProtocolAPI.setIncomingHandler(Reflection.getClass("{nms}.PacketPlayInUseEntity"), (p, packet) -> p.getGameMode() == GameMode.SPECTATOR ? null : packet);
-                    Player p = e.getPlayer();
 
-                    if(p == null || p.getGameMode() == GameMode.SPECTATOR)
-                        e.setCancelled(true);
-                }
-            });
-        }
-        protocolManager.addPacketListener(new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Client.USE_ENTITY) {
-            @Override
-            public void onPacketReceiving(PacketEvent e) {
-                Player p = e.getPlayer();
-
-                if(p.getGameMode() == GameMode.SPECTATOR)
-                    e.setCancelled(true);
-            }
-        });
         register();
     }
 
     @Override
     public void enable() {
-        protocolManager.addPacketListener(blockHider);
+        techhiders.forEach(ProtocolAPI::setOutgoingHandler);
-        protocolManager.addPacketListener(multiBlockHider);
-        protocolManager.addPacketListener(blockActionHider);
-        protocolManager.getAsynchronousManager().registerAsyncHandler(chunkHider).start(threadMultiplier * 4);
-        if(Core.getVersion() > 8) {
-            protocolManager.addPacketListener(updateBlockEntity);
-        }
-        if(Core.getVersion() > 12) {
-            protocolManager.addPacketListener(blockBreakHider);
-        }
     }
 
     @Override
     public void disable() {
-        protocolManager.removePacketListener(blockHider);
+        techhiders.keySet().forEach(ProtocolAPI::removeOutgoingHandler);
-        protocolManager.removePacketListener(multiBlockHider);
+    }
-        protocolManager.removePacketListener(blockActionHider);
+
-        protocolManager.getAsynchronousManager().unregisterAsyncHandler(chunkHider);
+    private static final Class<?> nbtTagCompound = Reflection.getClass("{nms}.NBTTagCompound");
+    private static final Reflection.MethodInvoker nbtTagGetString = Reflection.getTypedMethod(nbtTagCompound, "getString", String.class, String.class);
+
+    private static final Class<?> mapChunkPacket = Reflection.getClass("{nms}.PacketPlayOutMapChunk");
+    private static final UnaryOperator<Object> mapChunkCloner = ProtocolAPI.shallowCloneGenerator(mapChunkPacket);
+    private static final Reflection.FieldAccessor<Integer> mapChunkX = Reflection.getField(mapChunkPacket, int.class, 0);
+    private static final Reflection.FieldAccessor<Integer> mapChunkZ = Reflection.getField(mapChunkPacket, int.class, 1);
+    private static final Reflection.FieldAccessor<Integer> mapChunkBitMask;
+    private static final Reflection.FieldAccessor<List> mapChunkBlockEntities;
+    private static final Reflection.FieldAccessor<byte[]> mapChunkData;
+    static {
         if(Core.getVersion() > 8) {
-            protocolManager.removePacketListener(updateBlockEntity);
+            mapChunkBitMask = Reflection.getField(mapChunkPacket, int.class, 2);
+            mapChunkBlockEntities = Reflection.getField(mapChunkPacket, List.class, 0);
+            mapChunkData = Reflection.getField(mapChunkPacket, byte[].class, 0);
+        }else {
+            mapChunkBitMask = null;
+            mapChunkBlockEntities = null;
+            mapChunkData = null;
         }
-        if(Core.getVersion() > 12) {
-            protocolManager.removePacketListener(blockBreakHider);
     }
+    private Object mapChunkHider(Player p, Object packet) {
+        if(bypass(p, mapChunkX.get(packet), mapChunkZ.get(packet)))
+            return packet;
+
+        packet = mapChunkCloner.apply(packet);
+        mapChunkBlockEntities.set(packet, ((List<?>)mapChunkBlockEntities.get(packet)).stream().filter(
+                nbttag -> Config.HiddenBlockEntities.contains((String) nbtTagGetString.invoke(nbttag, "id"))
+        ).collect(Collectors.toList()));
+
+        byte[] data = chunkDataHider.apply(mapChunkData.get(packet), mapChunkBitMask.get(packet));
+        ByteBuf buffer = UnpooledByteBufAllocator.DEFAULT.directBuffer(data.length + 100);
+        data = new byte[buffer.readableBytes()];
+        buffer.readBytes(data);
+        mapChunkData.set(packet, data);
+
+        return packet;
     }
 
-    private final PacketAdapter multiBlockHider = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.MULTI_BLOCK_CHANGE) {
+    private static final Class<?> multiBlockChangePacket = Reflection.getClass("{nms}.PacketPlayOutMultiBlockChange");
-        @Override
+    private static final UnaryOperator<Object> multiBlockChangeCloner = ProtocolAPI.shallowCloneGenerator(multiBlockChangePacket);
-        public void onPacketSending(PacketEvent e) {
+    private static final Class<?> chunkCoordinateIntPair = Reflection.getClass("{nms}.ChunkCoordIntPair");
-            PacketContainer packet = e.getPacket();
+    private static final Reflection.FieldAccessor<?> multiBlockChangeChunk = Reflection.getField(multiBlockChangePacket, chunkCoordinateIntPair, 0);
+    private static final Reflection.FieldAccessor<Integer> chunkCoordinateX = Reflection.getField(chunkCoordinateIntPair, int.class, 0);
+    private static final Reflection.FieldAccessor<Integer> chunkCoordinateZ = Reflection.getField(chunkCoordinateIntPair, int.class, 1);
+    private static final Class<?> multiBlockChangeInfo = Reflection.getClass("{nms}.PacketPlayOutMultiBlockChange$MultiBlockChangeInfo");
+    private static final Reflection.ConstructorInvoker multiBlockChangeInfoConstructor = Reflection.getConstructor(multiBlockChangeInfo, multiBlockChangePacket, short.class, iBlockData);
+    private static final BiFunction<Object, UnaryOperator<Object>, Object> multiBlockChangeInfoArrayCloner = ProtocolAPI.arrayCloneGenerator(multiBlockChangeInfo);
+    private static final Reflection.FieldAccessor<?> multiBlockChangeInfoBlock = Reflection.getField(multiBlockChangeInfo, iBlockData, 0);
+    private static final Reflection.FieldAccessor<?> multiBlockChangeInfoPos = Reflection.getField(multiBlockChangeInfo, short.class, 0);
+    private static final Class<?> multiBlockChangeInfoArray = Reflection.getClass("[L{nms}.PacketPlayOutMultiBlockChange$MultiBlockChangeInfo;");
+    private static final Reflection.FieldAccessor<?> multiBlockChangeInfos = Reflection.getField(multiBlockChangePacket, multiBlockChangeInfoArray, 0);
+    private Object multiBlockChangeHider(Player p, Object packet) {
+        Object chunkCoords = multiBlockChangeChunk.get(packet);
+        if(bypass(p, chunkCoordinateX.get(chunkCoords), chunkCoordinateZ.get(chunkCoords)))
+            return packet;
 
-            Player p = e.getPlayer();
+        Object modpacket = multiBlockChangeCloner.apply(packet);
-            ChunkCoordIntPair pos = packet.getChunkCoordIntPairs().read(0);
+        multiBlockChangeInfos.set(modpacket, multiBlockChangeInfoArrayCloner.apply(multiBlockChangeInfos.get(modpacket), mbci -> {
-            if(bypass(p, pos.getChunkX(), pos.getChunkZ()))
+            if(Config.HiddenBlocks.contains(getMaterialByIBlockData(multiBlockChangeInfoBlock.get(mbci)).name().toLowerCase()))
-                return;
+                return multiBlockChangeInfoConstructor.invoke(modpacket, multiBlockChangeInfoPos.get(mbci), obfuscateIBlockData);
-
+            return mbci;
-            PacketContainer cached = packetCache.get(packet);
+        }));
-            if(cached != null){
+        return modpacket;
-                e.setPacket(cached);
-                return;
     }
 
-            cached = packet.shallowClone();
+    private static final Class<?> blockChangePacket = Reflection.getClass("{nms}.PacketPlayOutBlockChange");
-            packetCache.put(packet, cached);
+    private static final Function<Object, Object> blockChangeCloner = ProtocolAPI.shallowCloneGenerator(blockChangePacket);
-            e.setPacket(cached);
+    private static final Reflection.FieldAccessor<?> blockChangePosition = Reflection.getField(blockChangePacket, blockPosition, 0);
-            StructureModifier<MultiBlockChangeInfo[]> blockStructure = cached.getMultiBlockChangeInfoArrays();
+    private static final Reflection.FieldAccessor<?> blockChangeBlockData = Reflection.getField(blockChangePacket, iBlockData, 0);
-            MultiBlockChangeInfo[] changes = blockStructure.read(0).clone();
+    private Object blockChangeHider(Player p, Object packet) {
-            boolean changed = false;
+        Object pos = blockChangePosition.get(packet);
-            for(MultiBlockChangeInfo mbci : changes){
+        if(bypass(p, posToChunk(blockPositionX.get(pos)), posToChunk(blockPositionZ.get(pos))))
-                WrappedBlockData block = mbci.getData();
+            return packet;
-                if(Config.HiddenBlocks.contains(block.getType().name().toLowerCase())){
+
-                    changed = true;
+        if(Config.HiddenBlocks.contains(getMaterialByIBlockData(blockChangeBlockData.get(packet)).name().toLowerCase())){
-                    block.setType(obfuscateMaterial);
+            packet = blockChangeCloner.apply(packet);
-                    mbci.setData(block);
+            blockChangeBlockData.set(packet, obfuscateIBlockData);
         }
+        return packet;
     }
 
-            if(changed){
+    private static final Class<?> blockActionPacket = Reflection.getClass("{nms}.PacketPlayOutBlockAction");
-                blockStructure.write(0, changes);
+    private static final Reflection.FieldAccessor<?> blockActionPosition = Reflection.getField(blockActionPacket, blockPosition, 0);
+    private Object blockActionHider(Player p, Object packet) {
+        Object pos = blockActionPosition.get(packet);
+        if(bypass(p, posToChunk(blockPositionX.get(pos)), posToChunk(blockPositionZ.get(pos))))
+            return packet;
+        return null;
     }
+
+    private BiFunction<Player, Object, Object> blockBreakHiderGenerator(Class<?> blockBreakPacket){
+        UnaryOperator<Object> blockBreakCloner = ProtocolAPI.shallowCloneGenerator(blockBreakPacket);
+        Reflection.FieldAccessor<?> blockBreakPosition = Reflection.getField(blockBreakPacket, blockPosition, 0);
+        Reflection.FieldAccessor<?> blockBreakBlockData = Reflection.getField(blockBreakPacket, iBlockData, 0);
+
+        return (p, packet) -> {
+            Object pos = blockBreakPosition.get(packet);
+            if(bypass(p, posToChunk(blockPositionX.get(pos)), posToChunk(blockPositionZ.get(pos))))
+                return packet;
+
+            if(Config.HiddenBlocks.contains(getMaterialByIBlockData(blockBreakBlockData.get(packet)).name().toLowerCase())){
+                packet = blockBreakCloner.apply(packet);
+                blockBreakBlockData.set(packet, obfuscateIBlockData);
             }
+            return packet;
         };
-
-    private final PacketAdapter blockHider = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.BLOCK_CHANGE) {
-        @Override
-        public void onPacketSending(PacketEvent e) {
-            PacketContainer packet = e.getPacket();
-            BlockPosition pos = packet.getBlockPositionModifier().read(0);
-
-            Player p = e.getPlayer();
-            if(bypass(p, posToChunk(pos.getX()), posToChunk(pos.getZ())))
-                return;
-
-            PacketContainer cached = packetCache.get(packet);
-            if(cached != null){
-                e.setPacket(cached);
-                return;
     }
 
-            cached = packet.deepClone();
+    private static final Class<?> tileEntityDataPacket = Reflection.getClass("{nms}.PacketPlayOutTileEntityData");
-            packetCache.put(packet, cached);
+    private static final Reflection.FieldAccessor<?> tileEntityDataPosition = Reflection.getField(tileEntityDataPacket, blockPosition, 0);
-            e.setPacket(cached);
+    private static final Reflection.FieldAccessor<Integer> tileEntityDataAction = Reflection.getField(tileEntityDataPacket, int.class, 0);
-            StructureModifier<WrappedBlockData> blockStructure = cached.getBlockData();
+    private Object tileEntityDataHider(Player p, Object packet) {
-            WrappedBlockData block = blockStructure.read(0);
+        Object pos = tileEntityDataPosition.get(packet);
-            if(Config.HiddenBlocks.contains(block.getType().name().toLowerCase())){
+        if(bypass(p, posToChunk(blockPositionX.get(pos)), posToChunk(blockPositionZ.get(pos))))
-                block.setType(obfuscateMaterial);
+            return packet;
-                blockStructure.write(0, block);
+
+        if(tileEntityDataAction.get(packet) != 9)
+            return packet;
+        return null;
     }
-        }
-    };
-
-    private final PacketAdapter blockActionHider = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.BLOCK_ACTION) {
-        @Override
-        public void onPacketSending(PacketEvent e) {
-            PacketContainer packet = e.getPacket();
-            BlockPosition pos = packet.getBlockPositionModifier().read(0);
-
-            Player p = e.getPlayer();
-            if(bypass(p, posToChunk(pos.getX()), posToChunk(pos.getZ())))
-                return;
-
-            e.setCancelled(true);
-        }
-    };
-
-    private final PacketAdapter blockBreakHider = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.BLOCK_BREAK) {
-        @Override
-        public void onPacketSending(PacketEvent e) {
-            PacketContainer packet = e.getPacket();
-            BlockPosition pos = packet.getBlockPositionModifier().read(0);
-
-            Player p = e.getPlayer();
-            if(bypass(p, posToChunk(pos.getX()), posToChunk(pos.getZ())))
-                return;
-
-
-            PacketContainer cached = packetCache.get(packet);
-            if(cached != null){
-                e.setPacket(cached);
-                return;
-            }
-
-            cached = packet.deepClone();
-            packetCache.put(packet, cached);
-            e.setPacket(cached);
-            StructureModifier<WrappedBlockData> blockStructure = cached.getBlockData();
-            WrappedBlockData block = blockStructure.read(0);
-            if(Config.HiddenBlocks.contains(block.getType().name().toLowerCase())){
-                block.setType(obfuscateMaterial);
-                blockStructure.write(0, block);
-            }
-        }
-    };
-
-    private final PacketAdapter updateBlockEntity = new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.TILE_ENTITY_DATA) {
-        @Override
-        public void onPacketSending(PacketEvent event) {
-            PacketContainer packet = event.getPacket();
-            BlockPosition pos = packet.getBlockPositionModifier().read(0);
-
-            Player p = event.getPlayer();
-            if(bypass(p, posToChunk(pos.getX()), posToChunk(pos.getZ())))
-                return;
-
-            // 9 == Set sign text
-            if(packet.getIntegers().read(0) != 9)
-                return;
-
-            event.setCancelled(true);
-        }
-    };
 
     public static List<ChunkPos> prepareChunkReload(Player p, boolean hide){
         if(!ENABLED)
@@ -284,6 +258,10 @@ public class TechHider extends StateDependent {
         }
     }
 
+    private static Material getMaterialByIBlockData(Object iBlockData) {
+        return (Material) getMaterialByBlock.invoke(null, getBlockByBlockData.invoke(iBlockData));
+    }
+
     private static int posToChunk(int c){
         int chunk = c / 16;
         if(c<0)

FightSystem_Core/src/plugin.yml

@@ -4,7 +4,7 @@ authors:
 - Yaruma3341
 - Lixfel
 main: de.steamwar.fightsystem.FightSystem
-depend: [SpigotCore, WorldEdit, ProtocolLib]
+depend: [SpigotCore, WorldEdit]
 api-version: "1.13"
 
 commands:

pom.xml

@@ -68,13 +68,6 @@
             <scope>system</scope>
             <systemPath>${main.basedir}/lib/SpigotCore.jar</systemPath>
         </dependency>
-        <dependency>
-            <groupId>steamwar</groupId>
-            <artifactId>ProtocolLib</artifactId>
-            <version>1.0</version>
-            <scope>system</scope>
-            <systemPath>${main.basedir}/lib/ProtocolLib.jar</systemPath>
-        </dependency>
     </dependencies>
 
 </project>