Other player invisable if you join a subworld after them

[kurti256]

pretty much this

code i join the subworld with below

although to note this issue is reproducible with

SubworldSystem.Enter();

using Terraria;
using Terraria.ID;
using Terraria.ModLoader;
using SubworldLibrary;
using kurti256testmod.Common;
using Microsoft.Xna.Framework;

namespace kurti256testmod.Content.Items
{
	public class MirrorOfCorruption : ModItem
	{
		public static string evil = "none";
		// The Display Name and Tooltip of this item can be edited in the Localization/en-US_Mods.testmod.hjson file.

		public override void SetDefaults()
		{
			Item.useStyle = ItemUseStyleID.HoldUp;
			Item.width = 40;
			Item.height = 40;
			Item.useTime = 20;
			Item.useAnimation = 20;
		}
		public override bool? UseItem(Player player)
		{
			return true;
		}

        // UseStyle is called each frame that the item is being actively used.
        public override void UseStyle(Player player, Rectangle heldItemFrame)
        {
            // Each frame, make some dust
            if (Main.rand.NextBool())
            {
                Dust.NewDust(player.position, player.width, player.height, DustID.MagicMirror, 0f, 0f, 150, Color.White, 1.1f); // Makes dust from the player's position and copies the hitbox of which the dust may spawn. Change these arguments if needed.
            }

            // This sets up the itemTime correctly.
            if (player.itemTime == 0)
            {
                player.ApplyItemTime(Item);
            }
			else if (player.itemTime == player.itemTimeMax / 2)
            {
                if (player.whoAmI == Main.myPlayer) //makes entering the world player dependant (hopefully)
                {
                    // This code runs once halfway through the useTime of the Item. You'll notice with magic mirrors you are still holding the item for a little bit after you've teleported.
                    if (SubworldSystem.IsActive<ExampleSubworld>() == false)
                    {
                        if (Main.ActiveWorldFileData.HasCrimson == true)
                        {
                            evil = "crimson";
                            MirrorOfCrimson.evil = "crimson";
                        }
                        if (Main.ActiveWorldFileData.HasCorruption == true)
                        {
                            evil = "corruption";
                            MirrorOfCrimson.evil = "crorruption";
                        }
                        SubworldSystem.Enter<ExampleSubworld>();
                    }
                    else
                    {
                        SubworldSystem.Exit();
                    }
                }
                    // Make dust 80 times for a cool effect.
                    for (int d = 0; d < 80; d++)
                    {
                        Dust.NewDust(player.position, player.width, player.height, DustID.MagicMirror, player.velocity.X * 0.5f, player.velocity.Y * 0.5f, 150, new Color(66, 6, 144), 1.5f);
                    }


                    // Make dust 80 times for a cool effect. This dust is the dust at the destination.
                    for (int d = 0; d < 80; d++)
                    {
                        Dust.NewDust(player.position, player.width, player.height, DustID.MagicMirror, 0f, 0f, 150, new Color(66, 6, 144), 1.5f);
                    }
                }
            }
        public override void AddRecipes()
		{
			CreateRecipe()
					.AddCondition(Condition.CrimsonWorld)
					.AddIngredient(ItemID.TissueSample,5)
					.AddTile(TileID.DemonAltar)
					.Register();
			/*if (ModLoader.TryGetMod("Kurti256TestMod", out Mod calamityMod) && calamityMod.TryFind<ModItem>("SoapBar", out ModItem theModItemYouWant))
			{
			CreateRecipe()
                    .AddCondition(kurti256customconditions.WorldIsCrimson)
                    .AddIngredient(ItemID.DirtBlock, 1)
					.AddIngredient(theModItemYouWant)
                    .AddTile(TileID.WorkBenches)
                    .Register();
			}*/
		}
	}
}