Misc stealth and box changes (#11809)

* git mv

* Disable shader while box is open

* Hide entity menu / prevent examine

* fix recursion fix recursion fix recursion fix recursion

* Better visibility checks

* min and max visibility fields

* fix reference point

Content.Shared/CardboardBox/Components/CardboardBoxComponent.cs

@@ -0,0 +1,68 @@
+using Robust.Shared.Audio;
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Shared.CardboardBox.Components;
+/// <summary>
+/// Allows a user to control an EntityStorage entity while inside of it.
+/// Used for big cardboard box entities.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed class CardboardBoxComponent : Component
+{
+    /// <summary>
+    /// The person in control of this box
+    /// </summary>
+    [ViewVariables]
+    [DataField("mover")]
+    public EntityUid? Mover;
+
+    /// <summary>
+    /// The entity used for the box opening effect
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("effect")]
+    public string Effect = "Exclamation";
+
+    /// <summary>
+    /// Sound played upon effect creation
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("effectSound")]
+    public SoundSpecifier? EffectSound;
+
+    /// <summary>
+    /// How far should the box opening effect go?
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("distance")]
+    public float Distance = 6f;
+
+    /// <summary>
+    /// Current time + max effect cooldown to check to see if effect can play again
+    /// Prevents effect spam
+    /// </summary>
+    [DataField("effectCooldown", customTypeSerializer: typeof(TimeOffsetSerializer))]
+    public TimeSpan EffectCooldown = TimeSpan.FromSeconds(1f);
+
+    /// <summary>
+    /// How much time should pass + current time until the effect plays again
+    /// Prevents effect spam
+    /// </summary>
+    [DataField("maxEffectCooldown", customTypeSerializer: typeof(TimeOffsetSerializer))]
+    public static readonly TimeSpan MaxEffectCooldown = TimeSpan.FromSeconds(5f);
+}
+
+[Serializable, NetSerializable]
+public sealed class PlayBoxEffectMessage : EntityEventArgs
+{
+    public EntityUid Source;
+    public EntityUid Mover;
+
+    public PlayBoxEffectMessage(EntityUid source, EntityUid mover)
+    {
+        Source = source;
+        Mover = mover;
+    }
+}