From afe9f3ae85076a028c19202278b0f78664556a48 Mon Sep 17 00:00:00 2001
From: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>
Date: Sat, 29 Jun 2024 21:34:06 -0700
Subject: [PATCH] Fix ItemMapper whitelist mispredict when inserting or
 removing items (#29461)

* Fix ItemMapper whitelist mispredict when inserting or removing items

Makes the ItemMapper MapLayerData available on client so that the client
can predict whether an inserted/removed item changes the visibility of
a sprite layer.

* review

---------

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>
---
 Content.Shared/Storage/Components/SharedMapLayerData.cs   | 8 ++++----
 .../Storage/EntitySystems/SharedItemMapperSystem.cs       | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Content.Shared/Storage/Components/SharedMapLayerData.cs b/Content.Shared/Storage/Components/SharedMapLayerData.cs
index 6d2f4a7eaf..da176759f7 100644
--- a/Content.Shared/Storage/Components/SharedMapLayerData.cs
+++ b/Content.Shared/Storage/Components/SharedMapLayerData.cs
@@ -17,21 +17,21 @@ namespace Content.Shared.Storage.Components
     {
         public string Layer = string.Empty;
 
-        [DataField("whitelist", required: true, serverOnly: true)]
-        public EntityWhitelist ServerWhitelist { get; set; } = new();
+        [DataField(required: true)]
+        public EntityWhitelist? Whitelist { get; set; }
 
         /// <summary>
         ///     Minimal amount of entities that are valid for whitelist.
         ///     If it's smaller than minimal amount, layer will be hidden.
         /// </summary>
-        [DataField("minCount")]
+        [DataField]
         public int MinCount = 1;
 
         /// <summary>
         ///     Max amount of entities that are valid for whitelist.
         ///     If it's bigger than max amount, layer will be hidden.
         /// </summary>
-        [DataField("maxCount")]
+        [DataField]
         public int MaxCount = int.MaxValue;
     }
 
diff --git a/Content.Shared/Storage/EntitySystems/SharedItemMapperSystem.cs b/Content.Shared/Storage/EntitySystems/SharedItemMapperSystem.cs
index 2557f8100c..cfa082a9ee 100644
--- a/Content.Shared/Storage/EntitySystems/SharedItemMapperSystem.cs
+++ b/Content.Shared/Storage/EntitySystems/SharedItemMapperSystem.cs
@@ -95,7 +95,7 @@ namespace Content.Shared.Storage.EntitySystems
             var list = new List<string>();
             foreach (var mapLayerData in itemMapper.MapLayers.Values)
             {
-                var count = containedLayers.Count(ent => _whitelistSystem.IsWhitelistPass(mapLayerData.ServerWhitelist, ent));
+                var count = containedLayers.Count(ent => _whitelistSystem.IsWhitelistPass(mapLayerData.Whitelist, ent));
                 if (count >= mapLayerData.MinCount && count <= mapLayerData.MaxCount)
                 {
                     list.Add(mapLayerData.Layer);
-- 
2.51.2