Updating carla settings to allow user to disable rendering and set server tieout from the command line

CHANGELOG.md

@@ -1,4 +1,5 @@
 ## Latest Changes
+  * Allow user to disable rendering and set the server timeout from the command line
   * Allow usage of hostname for carla::Client and resolve them to IP address
   * Added `map.transform_to_geolocation` to transform Location to GNSS GeoLocation
   * Added `id` property to waypoints, uniquely identifying waypoints up to half centimetre precision

Docs/configuring_the_simulation.md

@@ -88,6 +88,8 @@ Other command-line options
 
   * `-carla-port=N` Listen for client connections at port N, streaming port is set to N+1.
   * `-quality-level={Low,Epic}` Change graphics quality level, "Low" mode runs significantly faster.
+  * `-carla-server-timeout=10000ms` Set server timeout.
+  * `-no-rendering` Disable rendering.
   * [Full list of UE4 command-line arguments][ue4clilink].
 
 [ue4clilink]: https://docs.unrealengine.com/en-US/Programming/Basics/CommandLineArguments

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Settings/CarlaSettings.cpp

@@ -178,6 +178,14 @@ void UCarlaSettings::LoadSettings()
     {
       QualityLevel = QualityLevelFromString(StringQualityLevel, EQualityLevel::Epic);
     }
+    if (FParse::Value(FCommandLine::Get(), TEXT("-carla-server-timeout="), Value))
+    {
+      ServerTimeOut = Value;
+    }
+    if (FParse::Param(FCommandLine::Get(), TEXT("-no-rendering")))
+    {
+      bDisableRendering = true;
+    }
   }
 }