Device Linking and better linking ui (#13645)

Co-authored-by: AJCM-git <60196617+AJCM-git@users.noreply.github.com>
Co-authored-by: Visne <39844191+Visne@users.noreply.github.com>
Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Shared/DeviceLinking/DeviceLinkSourceComponent.cs

@@ -0,0 +1,35 @@
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.Set;
+
+namespace Content.Shared.DeviceLinking;
+
+[RegisterComponent]
+[NetworkedComponent] // for interactions. Actual state isn't currently synced.
+[Access(typeof(SharedDeviceLinkSystem))]
+public sealed class DeviceLinkSourceComponent : Component
+{
+    /// <summary>
+    /// The ports the device link source sends signals from
+    /// </summary>
+    [DataField("ports", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<SourcePortPrototype>))]
+    public HashSet<string>? Ports;
+
+    /// <summary>
+    /// A list of sink uids that got linked for each port
+    /// </summary>
+    [DataField("registeredSinks")]
+    public Dictionary<string, HashSet<EntityUid>> Outputs = new();
+
+    /// <summary>
+    /// The list of source to sink ports for each linked sink entity for easier managing of links
+    /// </summary>
+    [DataField("linkedPorts")]
+    public Dictionary<EntityUid, HashSet<(string source, string sink)>> LinkedPorts = new();
+
+    /// <summary>
+    ///     Limits the range devices can be linked across.
+    /// </summary>
+    [DataField("range")]
+    [ViewVariables(VVAccess.ReadWrite)]
+    public float Range = 30f;
+}