remove players when they disconnect

nylium.Core/Networking/MinecraftClient.cs

@@ -402,7 +402,12 @@ protected override void OnDisconnected() {
                 World.Format.Save(Player);
                 World.PlayerEntities.Remove(Player);
 
-                // TODO remove player from player list and world client-side here
+                SP32PlayerInfo playerInfo = new(Player.Uuid);
+                Server.MulticastAsync(playerInfo, this);
+
+                // TODO is there a packet to destroy only one entity?
+                SP36DestroyEntities destroyEntities = new(new int[] { Player.EntityId });
+                Server.MulticastAsync(destroyEntities, this);
             }
 
             ProtocolState = ProtocolState.Unknown;

nylium.Core/Networking/Packet/Server/Play/SP36DestroyEntities.cs

@@ -0,0 +1,18 @@
+using System;
+using nylium.Core.Networking.DataTypes;
+
+namespace nylium.Core.Networking.Packet.Server.Play {
+
+    [Packet(0x36, ProtocolState.Play, PacketSide.Server)]
+    public class SP36DestroyEntities : MinecraftPacket {
+
+        public int[] EntityIds { get; }
+
+        public SP36DestroyEntities(int[] entityIds) {
+            EntityIds = entityIds;
+
+            WriteVarInt(entityIds.Length);
+            WriteArray<int, VarInt>(entityIds);
+        }
+    }
+}