BauSystem_Main/pom.xml

@@ -79,5 +79,12 @@
             <scope>system</scope>
             <systemPath>${main.basedir}/lib/WorldEdit-1.15.jar</systemPath>
         </dependency>
+        <dependency>
+            <groupId>steamwar</groupId>
+            <artifactId>ProtocolLib</artifactId>
+            <version>1.0</version>
+            <scope>system</scope>
+            <systemPath>${main.basedir}/lib/ProtocolLib.jar</systemPath>
+        </dependency>
     </dependencies>
 </project>

BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTPSLimiter.java

@@ -19,6 +19,12 @@
 
 package de.steamwar.bausystem.commands;
 
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.events.PacketAdapter;
+import com.comphenix.protocol.events.PacketEvent;
+import com.comphenix.protocol.reflect.StructureModifier;
+import com.comphenix.protocol.wrappers.WrappedWatchableObject;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.world.Welt;
@@ -34,11 +40,14 @@ import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.craftbukkit.v1_15_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_15_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_15_R1.entity.CraftTNTPrimed;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.TNTPrimed;
 import org.bukkit.scheduler.BukkitTask;
 
+import java.util.List;
+
 public class CommandTPSLimiter implements CommandExecutor {
 
     private static int currentTPSLimit = 20;
@@ -49,43 +58,71 @@ public class CommandTPSLimiter implements CommandExecutor {
     private BukkitTask tpsLimiter = null;
 
     public CommandTPSLimiter() {
-        Bukkit.getScheduler().runTaskTimer(BauSystem.getPlugin(), () -> {
-            if (currentTPSLimit == 20) {
-                return;
+        ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(BauSystem.getPlugin(), PacketType.Play.Server.ENTITY_METADATA) {
+            @Override
+            public void onPacketSending(PacketEvent event) {
+                // if (tpsLimiterNotActive()) return;
+                if (event.getPacket().getEntityModifier(world).read(0) == null) return;
+                if (!(event.getPacket().getEntityModifier(world).read(0) instanceof CraftTNTPrimed)) return;
+                System.out.println("META: " + event.getPacket().getIntegers().read(0));
+                List<WrappedWatchableObject> dataWatcherObjectList = event.getPacket().getWatchableCollectionModifier().read(0);
+                getByIndex(dataWatcherObjectList, 5).setValue(true);
+                getByIndex(dataWatcherObjectList, 7).setValue((int) ((20.0 / currentTPSLimit) * 80));
+                System.out.println(dataWatcherObjectList);
+                event.getPacket().getWatchableCollectionModifier().write(0, dataWatcherObjectList);
             }
-            world.getEntities().stream().filter(entity -> entity instanceof TNTPrimed).forEach(entity -> {
-                /*DataWatcher dataWatcher = new DataWatcher(entity);
-                System.out.println("Let " + entity.getName() + " sneak " + sneaking);
-                dataWatcher.register(new DataWatcherObject<>(0, DataWatcherRegistry.a), sneaking ? (byte)0x02 : (byte)0x40);
-                PacketPlayOutEntityMetadata packet = new PacketPlayOutEntityMetadata(entity.getId(), dataWatcher, false);
+        });
+        ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(BauSystem.getPlugin(), PacketType.Play.Server.REL_ENTITY_MOVE) {
+            @Override
+            public void onPacketSending(PacketEvent event) {
+                if (tpsLimiterNotActive()) return;
+                if (event.getPacket().getEntityModifier(world).read(0) == null) return;
+                if (!(event.getPacket().getEntityModifier(world).read(0) instanceof CraftTNTPrimed)) return;
+                System.out.println(event.getPacket().getIntegers().read(0));
+                StructureModifier<Integer> structureModifier = event.getPacket().getIntegers();
+                // structureModifier.write(1, 0);
+                // structureModifier.write(2, 0);
+                // structureModifier.write(3, 0);
 
-                for(Player player : Bukkit.getOnlinePlayers()){
-                    ((CraftPlayer)player).getHandle().playerConnection.sendPacket(packet);
-                }*/
+                Entity entity = event.getPacket().getEntityModifier(world).read(0);
+                System.out.println(entity.getLocation());
+                net.minecraft.server.v1_15_R1.Entity serverEntity = ((CraftEntity) entity).getHandle();
 
-                net.minecraft.server.v1_15_R1.Entity serverEntitiy = ((CraftEntity) entity).getHandle();
+                PacketPlayOutEntityTeleport packetPlayOutEntityTeleport = new PacketPlayOutEntityTeleport(serverEntity);
+                sendPlayers(packetPlayOutEntityTeleport);
 
-                PacketPlayOutEntityVelocity packet1 = new PacketPlayOutEntityVelocity(entity.getEntityId(), new Vec3D(0, 0, 0));
+                PacketPlayOutEntityMetadata packetPlayOutEntityMetadata = new PacketPlayOutEntityMetadata(serverEntity.getId(), serverEntity.getDataWatcher(), true);
+                sendPlayers(packetPlayOutEntityMetadata);
 
-                PacketPlayOutEntityTeleport packet2 = new PacketPlayOutEntityTeleport(serverEntitiy);
+                Vec3D vec3D = serverEntity.getMot();
+                PacketPlayOutEntityVelocity packetPlayOutEntityVelocity = new PacketPlayOutEntityVelocity(serverEntity.getId(), new Vec3D(vec3D.x / (20 - currentTPSLimit), vec3D.y / (20 - currentTPSLimit), vec3D.z / (20 - currentTPSLimit)));
+                sendPlayers(packetPlayOutEntityVelocity);
+            }
+        });
+        ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(BauSystem.getPlugin(), PacketType.Play.Server.ENTITY_VELOCITY) {
+            @Override
+            public void onPacketSending(PacketEvent event) {
 
-                DataWatcher dataWatcher = new DataWatcher(serverEntitiy);
-                dataWatcher.register(new DataWatcherObject<>(5, DataWatcherRegistry.i), true);
-                dataWatcher.register(new DataWatcherObject<>(7, DataWatcherRegistry.b), 80);
-                PacketPlayOutEntityMetadata packet3 = new PacketPlayOutEntityMetadata(serverEntitiy.getId(), dataWatcher, false);
+            }
+        });
+    }
 
-                Bukkit.getOnlinePlayers().forEach(player -> {
-                    PlayerConnection connection = ((CraftPlayer)player).getHandle().playerConnection;
-                    connection.sendPacket(packet1);
-                    connection.sendPacket(packet2);
-                    connection.sendPacket(packet3);
-                });
-            });
-            world.getEntities().stream().filter(entity -> entity instanceof TNTPrimed).forEach(entity -> {
-                Location location = entity.getLocation();
-                world.spawnParticle(Particle.BARRIER, location.getX(), location.getY() + 0.49, location.getZ(), 1);
-            });
-        }, 0, 1);
+    private boolean tpsLimiterNotActive() {
+        return currentTPSLimit == 20;
+    }
+
+    private void sendPlayers(Packet<?> packet) {
+        Bukkit.getOnlinePlayers().forEach(player -> {
+            PlayerConnection connection = ((CraftPlayer)player).getHandle().playerConnection;
+            connection.sendPacket(packet);
+        });
+    }
+
+    private WrappedWatchableObject getByIndex(List<WrappedWatchableObject> wrappedWatchableObjects, int index) {
+        for (WrappedWatchableObject wrappedWatchableObject : wrappedWatchableObjects) {
+            if (wrappedWatchableObject.getIndex() == index) return wrappedWatchableObject;
+        }
+        return null;
     }
 
     private boolean permissionCheck(Player player) {