Good Intercoms (#17950)

* crystal anomaly

* Good intercoms

* fixes

* fix construction fail

* Revert "crystal anomaly"

This reverts commit 0d9e3f62ff82c79e72f882b9c7f4ca1b9c6e6dd8.

* migration

Content.Shared/Radio/Components/IntercomComponent.cs

@@ -0,0 +1,23 @@
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+
+namespace Content.Shared.Radio.Components;
+
+/// <summary>
+/// Handles intercom ui and is authoritative on the channels an intercom can access.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed class IntercomComponent : Component
+{
+    /// <summary>
+    /// Does this intercom require popwer to function
+    /// </summary>
+    [DataField("requiresPower"), ViewVariables(VVAccess.ReadWrite)]
+    public bool RequiresPower = true;
+
+    /// <summary>
+    /// The list of radio channel prototypes this intercom can choose between.
+    /// </summary>
+    [DataField("supportedChannels", customTypeSerializer: typeof(PrototypeIdListSerializer<RadioChannelPrototype>))]
+    public List<string> SupportedChannels = new();
+}