Automatic server replay recordings (#18235)

Co-authored-by: Moony <moony@hellomouse.net>

Content.Shared/CCVar/CCVars.cs

@@ -307,8 +307,8 @@ namespace Content.Shared.CCVar
             CVarDef.Create("game.alert_level_change_delay", 30, CVar.SERVERONLY);
 
         /// <summary>
-        /// How many times per second artifacts when the round is over. 
-        /// If set to 0, they won't activate (on a timer) when the round ends. 
+        /// How many times per second artifacts when the round is over.
+        /// If set to 0, they won't activate (on a timer) when the round ends.
         /// </summary>
         public static readonly CVarDef<float> ArtifactRoundEndTimer = CVarDef.Create("game.artifact_round_end_timer", 0.5f, CVar.NOTIFY | CVar.REPLICATED);
 
@@ -1676,5 +1676,32 @@ namespace Content.Shared.CCVar
         /// </summary>
         public static readonly CVarDef<bool> ReplayRecordAdminChat =
             CVarDef.Create("replay.record_admin_chat", false, CVar.ARCHIVE);
+
+        /// <summary>
+        /// Automatically record full rounds as replays.
+        /// </summary>
+        public static readonly CVarDef<bool> ReplayAutoRecord =
+            CVarDef.Create("replay.auto_record", false, CVar.SERVERONLY);
+
+        /// <summary>
+        /// The file name to record automatic replays to. The path is relative to <see cref="CVars.ReplayDirectory"/>.
+        /// </summary>
+        /// <remarks>
+        /// <para>
+        /// If the path includes slashes, directories will be automatically created if necessary.
+        /// </para>
+        /// <para>
+        /// A number of substitutions can be used to automatically fill in the file name: <c>{year}</c>, <c>{month}</c>, <c>{day}</c>, <c>{hour}</c>, <c>{minute}</c>, <c>{round}</c>.
+        /// </para>
+        /// </remarks>
+        public static readonly CVarDef<string> ReplayAutoRecordName =
+            CVarDef.Create("replay.auto_record_name", "{year}_{month}_{day}-{hour}_{minute}-round_{round}.zip", CVar.SERVERONLY);
+
+        /// <summary>
+        /// Path that, if provided, automatic replays are initially recorded in.
+        /// When the recording is done, the file is moved into its final destination.
+        /// </summary>
+        public static readonly CVarDef<string> ReplayAutoRecordTempDir =
+            CVarDef.Create("replay.auto_record_temp_dir", "", CVar.SERVERONLY);
     }
 }