C1984 (C4 nerf) (#7612)

Content.Server/Sticky/Components/StickyComponent.cs

@@ -16,6 +16,13 @@ public sealed class StickyComponent : Component
     [ViewVariables(VVAccess.ReadWrite)]
     public EntityWhitelist? Whitelist;
 
+    /// <summary>
+    ///     What target entities can't be used as surface for sticky entity.
+    /// </summary>
+    [DataField("blacklist")]
+    [ViewVariables(VVAccess.ReadWrite)]
+    public EntityWhitelist? Blacklist;
+
     /// <summary>
     ///     How much time does it take to stick entity to target.
     ///     If zero will stick entity immediately.

Content.Server/Sticky/Systems/StickySystem.cs

@@ -55,8 +55,12 @@ public sealed class StickySystem : EntitySystem
     {
         if (!Resolve(uid, ref component))
             return false;
+
+        // check whitelist and blacklist
         if (component.Whitelist != null && !component.Whitelist.IsValid(target))
             return false;
+        if (component.Blacklist != null && component.Blacklist.IsValid(target))
+            return false;
 
         // check if delay is not zero to start do after
         var delay = (float) component.StickDelay.TotalSeconds;