Add -carla-no-hud command-line parameter

Docs/release_readme.md

@@ -16,8 +16,9 @@ To run the game windowed at a given resolution
 Other CARLA related command-line options
 
   * `-carla-settings=<ini-file-path>` Load settings from the given INI file. See Example.CarlaSettings.ini.
-  * `-world-port=<port-number>` Listen for client connections at <port-number>, write and read ports are set to <port-number>+1 and <port-number>+2 respectively. Activates networking.
+  * `-carla-world-port=<port-number>` Listen for client connections at <port-number>, write and read ports are set to <port-number>+1 and <port-number>+2 respectively. Activates networking.
   * `-carla-no-networking` Disable networking. Overrides any other settings file.
+  * `-carla-no-hud` Do not display the HUD by default.
 
 To activate semantic segmentation
 ---------------------------------

Source/Carla/Carla.h

@@ -20,8 +20,6 @@ DECLARE_LOG_CATEGORY_EXTERN(LogCarlaServer, Log, All);
 // #define CARLA_TAGGER_EXTRA_LOG
 #endif // WITH_EDITOR
 
-// #define CARLA_CINEMATIC_MODE
-
 class FCarlaModule : public IModuleInterface
 {
 public:

Source/Carla/Game/CarlaHUD.cpp

@@ -4,12 +4,17 @@
 #include "CarlaHUD.h"
 
 #include "CarlaVehicleController.h"
+#include "CommandLine.h"
 #include "ConstructorHelpers.h"
 #include "Engine/Canvas.h"
 #include "Engine/Font.h"
 
 #define LOCTEXT_NAMESPACE "CarlaHUD"
 
+static bool GetDefaultHUDVisibility() {
+  return !FParse::Param(FCommandLine::Get(), TEXT("carla-no-hud"));
+}
+
 static FText RoundedFloatAsText(float Value)
 {
   return FText::AsNumber(FMath::RoundHalfFromZero(Value));
@@ -74,25 +79,6 @@ static FText GetHUDText(const ACarlaPlayerState &Vehicle)
   Args.Add("IntersectionOtherLane", RoundedFloatAsText(100.0f * Vehicle.GetOtherLaneIntersectionFactor()));
   Args.Add("IntersectionOffRoad", RoundedFloatAsText(100.0f * Vehicle.GetOffRoadIntersectionFactor()));
   return FText::Format(
-#ifdef CARLA_CINEMATIC_MODE
-      LOCTEXT("HUDTextFormat",
-          "Speed:         {Speed} km/h\n"
-          "Gear:          {Gear}\n"
-          "\n"
-          "Speed Limit:   {SpeedLimit} km/h\n"
-          "Traffic Light: {TrafficLightState}\n"
-          "\n"
-          "Location:      {Location}\n"
-          "Orientation:   {Orientation}\n"
-          "Acceleration:  {Acceleration}\n"
-          "\n"
-          "Collision (Cars):       {CollisionCars}\n"
-          "Collision (Pedestrian): {CollisionPedestrians}\n"
-          "Collision (Other):      {CollisionOther}\n"
-          "\n"
-          "Intersection (Lane):    {IntersectionOtherLane}%\n"
-          "Intersection (OffRoad): {IntersectionOffRoad}%")
-#else
       LOCTEXT("HUDTextFormat",
           "FPS: {FPS}\n"
           "\n"
@@ -112,17 +98,12 @@ static FText GetHUDText(const ACarlaPlayerState &Vehicle)
           "\n"
           "Intersection (Lane):    {IntersectionOtherLane}%\n"
           "Intersection (OffRoad): {IntersectionOffRoad}%")
-#endif // CARLA_CINEMATIC_MODE
       ,
       Args);
 }
 
 ACarlaHUD::ACarlaHUD() :
-#ifdef CARLA_CINEMATIC_MODE
-  bIsVisible(false)
-#else
-  bIsVisible(true)
-#endif // CARLA_CINEMATIC_MODE
+  bIsVisible(GetDefaultHUDVisibility())
 {
   static ConstructorHelpers::FObjectFinder<UFont> Font(TEXT("/Engine/EngineFonts/DroidSansMono"));
   HUDFont = Font.Object;