ADOFAIRenderer/Patch/Game/scrFloorPatch.cs

using ADOFAIRenderer.Core;
using HarmonyLib;

namespace ADOFAIRenderer.Patch.Game
{
    [HarmonyPatch(typeof(scrFloor))]
    // ReSharper disable once InconsistentNaming
    public class scrFloorPatch
    {
        [HarmonyPrefix]
        [HarmonyPatch("SpawnPortalParticles")]
        // ReSharper disable once InconsistentNaming
        public static bool SkipPortalSpawn(scrFloor __instance)
        {
            if (!scrLevelMaker.instance.listFloors.Contains(__instance)) return true;
            
            var nonTile = RenderManager.Instance.OverrideLoading &&
                          RenderManager.Instance.Configuration.AdvancedConfig.NonTile;
            return !nonTile;
        }
    }
}