[Entity] Brig Timers (#15285)

* brigtimer

* ok

* TextScreen w timer implementation

* second commit

* working brig timer

* signal timers near completion

* soon done

* removed licenses, fixes noRotation on screens, minor edits

* no message

* no message

* removed my last todos

* removed csproj.rej??

* missed a thing with .yml and tests

* fix tests

* Update base_structureairlocks.yml

* timespan type serialize

* activation turned into comp

* sloth review

* Update timer.yml

* small changes

---------

Co-authored-by: CommieFlowers <rasmus.cedergren@hotmail.com>
Co-authored-by: rolfero <45628623+rolfero@users.noreply.github.com>

Content.Server/MachineLinking/Components/SignalTimerComponent.cs

@@ -0,0 +1,42 @@
+using Content.Shared.MachineLinking;
+using Robust.Shared.Audio;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.MachineLinking.Components;
+
+[RegisterComponent]
+public sealed class SignalTimerComponent : Component
+{
+    [DataField("delay"), ViewVariables(VVAccess.ReadWrite)]
+    public double Delay = 5;
+
+    /// <summary>
+    ///     This shows the Label: text box in the UI.
+    /// </summary>
+    [DataField("canEditLabel"), ViewVariables(VVAccess.ReadWrite)]
+    public bool CanEditLabel = true;
+
+    /// <summary>
+    ///     The label, used for TextScreen visuals currently.
+    /// </summary>
+    [DataField("label"), ViewVariables(VVAccess.ReadWrite)]
+    public string Label = "";
+
+    /// <summary>
+    ///     The port that gets signaled when the timer triggers.
+    /// </summary>
+    [DataField("triggerPort", customTypeSerializer: typeof(PrototypeIdSerializer<TransmitterPortPrototype>)), ViewVariables(VVAccess.ReadWrite)]
+    public string TriggerPort = "Timer";
+
+    /// <summary>
+    ///     The port that gets signaled when the timer starts.
+    /// </summary>
+    [DataField("startPort", customTypeSerializer: typeof(PrototypeIdSerializer<TransmitterPortPrototype>)), ViewVariables(VVAccess.ReadWrite)]
+    public string StartPort = "Start";
+
+    /// <summary>
+    ///     If not null, this timer will play this sound when done.
+    /// </summary>
+    [DataField("doneSound"), ViewVariables(VVAccess.ReadWrite)]
+    public SoundSpecifier? DoneSound;
+}