Gamerule Entities, Take 2 (#15765)

Content.Server/GameTicking/Rules/Components/InactivityRuleComponent.cs

@@ -0,0 +1,24 @@
+using System.Threading;
+
+namespace Content.Server.GameTicking.Rules.Components;
+
+/// <summary>
+/// Gamerule that ends the round after a period of inactivity.
+/// </summary>
+[RegisterComponent, Access(typeof(InactivityTimeRestartRuleSystem))]
+public sealed class InactivityRuleComponent : Component
+{
+    /// <summary>
+    /// How long the round must be inactive to restart
+    /// </summary>
+    [DataField("inactivityMaxTime", required: true)]
+    public TimeSpan InactivityMaxTime = TimeSpan.FromMinutes(10);
+
+    /// <summary>
+    /// The delay between announcing round end and the lobby.
+    /// </summary>
+    [DataField("roundEndDelay", required: true)]
+    public TimeSpan RoundEndDelay  = TimeSpan.FromSeconds(10);
+
+    public CancellationTokenSource TimerCancel = new();
+}