Add Particle

Add TNT
Add Motion

src/de/steamwar/spectatesystem/PacketProcessor.java

@@ -2,12 +2,14 @@ package de.steamwar.spectatesystem;
 
 import de.steamwar.spectatesystem.elements.REntity;
 import de.steamwar.spectatesystem.elements.RPlayer;
+import de.steamwar.spectatesystem.elements.RTnT;
 import de.steamwar.sql.SteamwarUser;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.chat.BaseComponent;
 import net.md_5.bungee.api.chat.TextComponent;
 import net.minecraft.server.v1_15_R1.Block;
 import org.bukkit.Bukkit;
+import org.bukkit.Particle;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_15_R1.block.data.CraftBlockData;
 
@@ -66,6 +68,24 @@ class PacketProcessor {
         REntity.getEntity(entityId).animation(animation);
     }
 
+    private void tntSpawn() throws IOException {
+        int entityId = source.rInt();
+
+        new RTnT(entityId);
+    }
+
+    private void entityVelocity() throws IOException {
+        int entityId = source.rInt();
+
+        double dX = source.rDouble();
+        double dY = source.rDouble();
+        double dZ = source.rDouble();
+
+        Bukkit.getScheduler().runTask(SpectateSystem.get(), () -> {
+            REntity.getEntity(entityId).setMotion(dX, dY, dZ);
+        });
+    }
+
     private void send(ChatMessageType type) throws IOException {
         String message = source.rString();
 
@@ -73,25 +93,36 @@ class PacketProcessor {
         Bukkit.getOnlinePlayers().forEach(p -> p.spigot().sendMessage(type, text));
     }
 
-    private World world = null;
+    private static final World world = Bukkit.getWorlds().get(0);
 
     private void block() throws IOException {
-        if (world == null) {
-            world = Bukkit.getWorlds().get(0);
-        }
-
         int x = source.rInt();
         byte y = source.rByte();
         int z = source.rInt();
 
         int blockState = source.rInt();
 
+        if (Config.TechhiderActive && Config.HiddenBlocks.contains(blockState)) {
+            blockState = Config.ObfuscateWith;
+        }
         CraftBlockData craftBlockData = CraftBlockData.fromData(Block.REGISTRY_ID.fromId(blockState));
         Bukkit.getScheduler().runTask(SpectateSystem.get(), () -> {
             world.getBlockAt(x, y, z).setBlockData(craftBlockData);
         });
     }
 
+    private void particle() throws IOException {
+        double x = source.rDouble();
+        double y = source.rDouble();
+        double z = source.rDouble();
+
+        String particleName = source.rString();
+
+        Bukkit.getScheduler().runTask(SpectateSystem.get(), () -> {
+            world.spawnParticle(Particle.valueOf(particleName), x, y, z, 1);
+        });
+    }
+
     private void process(){
         try{
             while(!source.isClosed()){
@@ -111,9 +142,18 @@ class PacketProcessor {
                     case 0x04:
                         entityAnimation();
                         break;
+                    case 0x05:
+                        tntSpawn();
+                        break;
+                    case 0x06:
+                        entityVelocity();
+                        break;
                     case 0x30:
                         block();
                         break;
+                    case 0x31:
+                        particle();
+                        break;
                     case (byte) 0xA0:
                         send(ChatMessageType.CHAT);
                         break;

src/de/steamwar/spectatesystem/elements/REntity.java

@@ -58,12 +58,12 @@ public abstract class REntity {
     }
 
     public void sneak(boolean sneaking) {
-        entity.setSneaking(sneaking);
-        PacketPlayOutEntityMetadata packet = new PacketPlayOutEntityMetadata(0, entity.getDataWatcher(), sneaking);
+        /*entity.setSneaking(sneaking);
+        PacketPlayOutEntityMetadata packet = new PacketPlayOutEntityMetadata(7, entity.getDataWatcher(), sneaking);
         for(Player player : Bukkit.getOnlinePlayers()){
             PlayerConnection connection = ((CraftPlayer)player).getHandle().playerConnection;
             connection.sendPacket(packet);
-        }
+        }*/
     }
 
     public void animation(byte animation) {
@@ -74,6 +74,10 @@ public abstract class REntity {
         }
     }
 
+    public void setMotion(double dX, double dY, double dZ) {
+        entity.setMot(dX, dY, dZ);
+    }
+
     private void sendToPlayer(Player player){
         spawnEntity(((CraftPlayer)player).getHandle().playerConnection);
     }

src/de/steamwar/spectatesystem/elements/RParticle.java

@@ -3,5 +3,7 @@ package de.steamwar.spectatesystem.elements;
 public class RParticle {
 
     public RParticle() {
+
     }
+
 }

src/de/steamwar/spectatesystem/elements/RTnT.java

@@ -0,0 +1,29 @@
+package de.steamwar.spectatesystem.elements;
+
+import net.minecraft.server.v1_15_R1.*;
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.v1_15_R1.CraftServer;
+import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
+
+public class RTnT extends REntity {
+
+    private static World world = null;
+
+    public RTnT(int internalId) {
+        super(internalId, createTnT());
+    }
+
+    @Override
+    protected void spawnEntity(PlayerConnection connection) {
+        connection.sendPacket(new PacketPlayOutSpawnEntity(entity));
+    }
+
+    private static EntityTNTPrimed createTnT() {
+        if (world == null) {
+            MinecraftServer nmsServer = ((CraftServer) Bukkit.getServer()).getServer();
+            world = ((CraftWorld) Bukkit.getWorlds().get(0)).getHandle();
+        }
+        return new EntityTNTPrimed(world, 0, 0, 0, null);
+    }
+
+}