Mind ECS (#16826)

Content.Server/Mind/Components/MindContainerComponent.cs

@@ -1,10 +1,13 @@
+using System.Diagnostics.CodeAnalysis;
+using YamlDotNet.Core.Tokens;
+
 namespace Content.Server.Mind.Components
 {
     /// <summary>
     ///     Stores a <see cref="Server.Mind.Mind"/> on a mob.
     /// </summary>
     [RegisterComponent, Access(typeof(MindSystem))]
-    public sealed class MindComponent : Component
+    public sealed class MindContainerComponent : Component
     {
         /// <summary>
         ///     The mind controlling this mob. Can be null.
@@ -17,6 +20,7 @@ namespace Content.Server.Mind.Components
         ///     True if we have a mind, false otherwise.
         /// </summary>
         [ViewVariables]
+        [MemberNotNullWhen(true, nameof(Mind))]
         public bool HasMind => Mind != null;
 
         /// <summary>

Content.Server/Mind/Components/VisitingMindComponent.cs

@@ -3,14 +3,8 @@ namespace Content.Server.Mind.Components
     [RegisterComponent]
     public sealed class VisitingMindComponent : Component
     {
-        [ViewVariables] public Mind Mind { get; set; } = default!;
-
-        protected override void OnRemove()
-        {
-            base.OnRemove();
-
-            Mind?.UnVisit();
-        }
+        [ViewVariables]
+        public Mind? Mind;
     }
 
     public sealed class MindUnvisitedMessage : EntityEventArgs