Make Data Logger interval configurable.

Author: rwf-rr

Source/Menu/Options.Designer.cs

@@ -212,6 +212,7 @@ public OptionsForm(UserSettings settings, UpdateManager updateManager, Telemetry
             checkDataLogPhysics.Checked = Settings.DataLogPhysics;
             checkDataLogSteamPerformance.Checked = Settings.DataLogExclusiveSteamPerformance;
             checkDataLogSteamPowerCurve.Checked = Settings.DataLogExclusiveSteamPowerCurve;
+            dataLoggerInterval.Value = Settings.DataLoggerInterval;
             checkVerboseConfigurationMessages.Checked = Settings.VerboseConfigurationMessages;
 
             // Evaluation tab
@@ -476,6 +477,7 @@ void buttonOK_Click(object sender, EventArgs e)
             Settings.DataLogPhysics = checkDataLogPhysics.Checked;
             Settings.DataLogExclusiveSteamPerformance = checkDataLogSteamPerformance.Checked;
             Settings.DataLogExclusiveSteamPowerCurve = checkDataLogSteamPowerCurve.Checked;
+            Settings.DataLoggerInterval = (int)dataLoggerInterval.Value;
             Settings.VerboseConfigurationMessages = checkVerboseConfigurationMessages.Checked;
 
             // Evaluation tab

Source/Menu/Options.cs

@@ -218,6 +218,8 @@ public enum DirectXFeature
         public bool DataLogExclusiveSteamPerformance { get; set; }
         [Default(false)]
         public bool DataLogExclusiveSteamPowerCurve { get; set; }
+        [Default(0)]
+        public int DataLoggerInterval { get; set; }
         [Default(false)]
         public bool VerboseConfigurationMessages { get; set; }
 

Source/Orts.Settings/UserSettings.cs

@@ -39,13 +39,15 @@ public class InfoDisplay
 
         int FrameNumber;
         double LastUpdateRealTime;   // update text message only 10 times per second
+        double NextLogTime;
 
         float PreviousLoggedSpeedMpH = -1.0f;
 
         public InfoDisplay(Viewer viewer)
         {
             Viewer = viewer;
             Logger = new DataLogger(Path.Combine(Viewer.Settings.LoggingPath, "OpenRailsDump.csv"));
+            NextLogTime = Viewer.RealTime;
 
             if (Viewer.Settings.DataLogger)
                 DataLoggerStart();
@@ -81,9 +83,10 @@ public void PrepareFrame(RenderFrame frame, ElapsedTime elapsedTime)
                 Profile(elapsedRealSeconds);
             }
 
-            if (Viewer.Settings.DataLogger)
+            if (Viewer.Settings.DataLogger && (Viewer.Settings.DataLoggerInterval == 0 || Viewer.RealTime >= NextLogTime))
             {
                 DataLoggerLog();
+                NextLogTime = Viewer.RealTime + Viewer.Settings.DataLoggerInterval / 1000f;
             }
         }