Change in draw distances for CarlaSettings

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/MapGen/CityMapMeshHolder.cpp

@@ -10,8 +10,7 @@
 #include "Components/InstancedStaticMeshComponent.h"
 #include "Engine/StaticMesh.h"
 #include <vector>
-
+#include "Settings/CarlaSettings.h"
-
 
 
 using tag_size_t = std::underlying_type<ECityMapMeshTag>::type;
@@ -141,7 +140,7 @@ void ACityMapMeshHolder::AddInstance(ECityMapMeshTag Tag, FTransform Transform)
   staticmeshcomponent->SetStaticMesh(instantiator.GetStaticMesh());
   
   //occlussion 
-  StaticMeshActor->Tags.Add(FName("CARLA_ROAD"));
+  StaticMeshActor->Tags.Add(UCarlaSettings::CARLA_ROAD_TAG);
   staticmeshcomponent->bAllowCullDistanceVolume=true;
   staticmeshcomponent->bUseAsOccluder=false;
   staticmeshcomponent->LDMaxDrawDistance = MaxDrawDistance;
@@ -173,15 +172,13 @@ void ACityMapMeshHolder::ResetInstantiators()
     instantiator.SetStaticMesh(GetStaticMesh(CityMapMeshTag::FromUInt(i)));
   }
 
-  const FName roadtag = FName("CARLA_ROAD");
+  
   TArray<AActor*> roadpieces;
   GetAttachedActors(roadpieces);
   
   for(int32 i=roadpieces.Num()-1; i>=0; i--)
   {
-	
+	if(roadpieces[i]->Tags.Contains(UCarlaSettings::CARLA_ROAD_TAG))
-	//UE_LOG(LogTemp,Display,TEXT("ACityMapMeshHolder::ResetInstantiators Destroyed %s"),*Children[i]->GetName());
-	if(roadpieces[i]->Tags.Contains(roadtag))
 	{
 	   roadpieces[i]->Destroy();
 	}

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Server/CarlaEncoder.cpp

@@ -25,7 +25,7 @@ static auto MakeCharBuffer(const FString &String)
 {
   const char *Ptr = TCHAR_TO_UTF8(*String);
   auto Buffer = MakeUnique<char[]>(std::strlen(Ptr) + 1u); // + null terminator.
-  #if _WIN32
+  #if defined(_WIN32)
   strcpy_s(Buffer.Get(),String.Len()+1, Ptr);
   #else
   std::strcpy(Buffer.Get(), Ptr);

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

@@ -6,7 +6,6 @@
 
 #include "Carla.h"
 #include "CarlaSettings.h"
-
 #include "DynamicWeather.h"
 #include "Settings/CameraDescription.h"
 #include "Settings/LidarDescription.h"
@@ -19,7 +18,8 @@
 #include "Engine/DirectionalLight.h"
 #include "Engine/PointLight.h"
 //#include "Landscape.h" //--> needs Lanscape module in the build cs 
-#include "Components/StaticMeshComponent.h"
+#include "Engine/StaticMesh.h"
+#include "Materials/MaterialInstance.h"
 
 
 // INI file sections.
@@ -28,6 +28,12 @@
 #define S_CARLA_SENSOR                 TEXT("CARLA/Sensor")
 #define S_CARLA_QUALITYSETTINGS        TEXT("CARLA/QualitySettings")
 
+// =============================================================================
+// -- Static variables & constants ---------------------------------------------
+// =============================================================================
+const FName UCarlaSettings::CARLA_ROAD_TAG = FName("CARLA_ROAD");
+
+
 // =============================================================================
 // -- Static methods -----------------------------------------------------------
 // =============================================================================
@@ -118,7 +124,10 @@ static void LoadSettingsFromConfig(
   ConfigFile.GetString(S_CARLA_QUALITYSETTINGS, TEXT("DefaultLevel"), sDefaultLevel);
   if(!Settings.SetQualitySettingsLevel(FQualitySettings::FromString(sDefaultLevel)))
   {
-	  ///apply pre-restart.... @todo
+	  //error
+  } else
+  {
+	  //apply pre-restart.... 
   }
   
 
@@ -186,121 +195,11 @@ bool UCarlaSettings::SetQualitySettingsLevel(EQualitySettingsLevel newDefaultLev
 
 void UCarlaSettings::ApplyQualitySettingsLevelPostRestart() const
 {
-	UWorld *world = GetWorld();
-	if(!world) return ;
-	//set the quality settings now
 	switch(DefaultQualitySettingsLevel)
 	{
-	  case EQualitySettingsLevel::Low: {//r.SSR.qualitylaunch commands to lower quality settings
+	  case EQualitySettingsLevel::Low: 
-		world->Exec(world,TEXT("r.DefaultFeature.MotionBlur 0"));
+	  	ApplyLowQualitySettings();
-		world->Exec(world,TEXT("r.DefaultFeature.Bloom 0"));
-		world->Exec(world,TEXT("r.DefaultFeature.AmbientOcclusion 0"));
-		world->Exec(world,TEXT("r.AmbientOcclusionLevels 0"));
-		world->Exec(world,TEXT("r.DefaultFeature.AmbientOcclusionStaticFraction 0"));
-		world->Exec(world,TEXT("r.DefaultFeature.AutoExposure 0"));
-		world->Exec(world,TEXT("r.RHICmdBypass 0"));
-		world->Exec(world,TEXT("r.DefaultFeature.AntiAliasing 2"));
-		world->Exec(world,TEXT("r.Streaming.PoolSize 2000"));
-		world->Exec(world,TEXT("r.HZBOcclusion 0"));
-		world->Exec(world,TEXT("r.MinScreenRadiusForLights 0.01"));
-		world->Exec(world,TEXT("r.SeparateTranslucency 0"));
-		world->Exec(world,TEXT("r.FinishCurrentFrame 0"));
-		world->Exec(world,TEXT("r.MotionBlurQuality 0"));
-		world->Exec(world,TEXT("r.PostProcessAAQuality 0"));
-		world->Exec(world,TEXT("r.BloomQuality 1"));
-		world->Exec(world,TEXT("r.SSR.Quality 0"));
-		world->Exec(world,TEXT("r.DepthOfFieldQuality 0"));
-		world->Exec(world,TEXT("r.SceneColorFormat 2"));
-		world->Exec(world,TEXT("r.TranslucencyVolumeBlur 0"));
-		world->Exec(world,TEXT("r.TranslucencyLightingVolumeDim 4"));
-		world->Exec(world,TEXT("r.MaxAnisotropy 8"));
-		world->Exec(world,TEXT("r.LensFlareQuality 0"));
-		world->Exec(world,TEXT("r.SceneColorFringeQuality 0"));
-		world->Exec(world,TEXT("r.FastBlurThreshold 0"));
-		world->Exec(world,TEXT("r.SSR.MaxRoughness 0.1"));
-		world->Exec(world,TEXT("r.AllowOcclusionQueries 1"));
-		world->Exec(world,TEXT("r.SSR 0"));
-		world->Exec(world,TEXT("r.StencilForLODDither 1"));
-		world->Exec(world,TEXT("r.EarlyZPass 1"));
-		world->Exec(world,TEXT("r.EarlyZPassMovable 1"));
-		world->Exec(world,TEXT("r.Foliage.DitheredLOD 0"));
-		world->Exec(world,TEXT("r.ForwardShading 0"));
-		world->Exec(world,TEXT("sg.PostProcessQuality 0"));
-	  world->Exec(world,TEXT("r.ViewDistanceScale 0.1"));
-		world->Exec(world,TEXT("sg.ShadowQuality 0"));
-		world->Exec(world,TEXT("sg.TextureQuality 0"));
-		world->Exec(world,TEXT("sg.EffectsQuality 0"));
-		world->Exec(world,TEXT("FoliageQuality 0"));
-		world->Exec(world,TEXT("foliage.DensityScale 0"));
-		world->Exec(world,TEXT("grass.DensityScale 0"));
-    world->Exec(world,TEXT("r.TranslucentLightingVolume 0"));
-    world->Exec(world,TEXT("r.LightShaftDownSampleFactor 4"));
-    world->Exec(world,TEXT("r.OcclusionQueryLocation 1"));
-    world->Exec(world,TEXT("r.BasePassOutputsVelocity 0"));
-		//world->Exec(world,TEXT("r.DetailMode 0")); //-->will change to lods 0
-		//iterate all vehicles and people, set the draw distance 
-	    TArray<AActor*> actors;
-		int32 i;
-
-		//iterate all terrain, deactivate the actor
-		/*UGameplayStatics::GetAllActorsOfClass(world, ALandscape::StaticClass(), actors);
-		for(i=0; i<actors.Num(); i++)
-		{
-			ALandscape* landscape = Cast<ALandscape>(actors[i]);
-			if(landscape)
-			{
-				landscape->DisableComponentsSimulatePhysics();
-				landscape->bUseLandscapeForCullingInvisibleHLODVertices=true;
-				
-			}
-		}*/
-		
-	    //iterate all directional lights, deactivate shadows
-		UGameplayStatics::GetAllActorsOfClass(world, ALight::StaticClass(), actors);
-		for(i=0;i<actors.Num();i++)
-		{
-			//tweak directional lights
-			ADirectionalLight* directionallight = Cast<ADirectionalLight>(actors[i]);
-			if(directionallight)
-			{
-				directionallight->SetCastShadows(false);
-				directionallight->SetLightFunctionFadeDistance(LowLightFadeDistance);
-				continue;
-			}
-			//disable point lights
-			/*
-			APointLight* pointlight = Cast<APointLight>(actors[i]);
-			if(pointlight)
-			{
-				actors[i]->SetActorHiddenInGame(true);
-			}
-			*/
-			//disable any other type of light
-			actors[i]->SetActorHiddenInGame(true);
-		}
-
-	    //Set all the roads the low quality material
-		/*UGameplayStatics::GetAllActorsWithTag(world, FName("CARLA_ROAD"),actors);
-		for(i=0; i<actors.Num(); i++)
-		{
-			TArray<UActorComponent*> components = actors[i]->GetComponentsByClass(UStaticMeshComponent::StaticClass());
-			for(int32 j=0; j<components.Num(); j++)
-			{
-				UStaticMeshComponent* staticmesh = Cast<UStaticMeshComponent>(components[j]);
-				if(staticmesh)
-				{
-					for(int32 k=0; k<staticmesh->GetNumMaterials(); k++)
-					{
-						if(!RoadMaterials.IsValidIndex(k)) break;
-						staticmesh->SetMaterial(k, Cast<UMaterialInterface>(RoadMaterials[k]));
-					}
-				}
-			}
-		}*/
-
-
 		break;
-	  }
 	  case EQualitySettingsLevel::Medium: break;
 	  case EQualitySettingsLevel::High: break;
 	  case EQualitySettingsLevel::Epic: break;
@@ -431,6 +330,156 @@ void UCarlaSettings::ResetSensorDescriptions()
   bSemanticSegmentationEnabled = false;
 }
 
+void UCarlaSettings::LaunchLowQualityCommands(UWorld * world) const
+{
+  //launch commands to lower quality settings
+  world->Exec(world,TEXT("r.DefaultFeature.MotionBlur 0"));
+  world->Exec(world,TEXT("r.DefaultFeature.Bloom 0"));
+  world->Exec(world,TEXT("r.DefaultFeature.AmbientOcclusion 0"));
+  world->Exec(world,TEXT("r.AmbientOcclusionLevels 0"));
+  world->Exec(world,TEXT("r.DefaultFeature.AmbientOcclusionStaticFraction 0"));
+  world->Exec(world,TEXT("r.DefaultFeature.AutoExposure 0"));
+  world->Exec(world,TEXT("r.RHICmdBypass 0"));
+  world->Exec(world,TEXT("r.DefaultFeature.AntiAliasing 2"));
+  world->Exec(world,TEXT("r.Streaming.PoolSize 2000"));
+  world->Exec(world,TEXT("r.HZBOcclusion 0"));
+  world->Exec(world,TEXT("r.MinScreenRadiusForLights 0.01"));
+  world->Exec(world,TEXT("r.SeparateTranslucency 0"));
+  world->Exec(world,TEXT("r.FinishCurrentFrame 0"));
+  world->Exec(world,TEXT("r.MotionBlurQuality 0"));
+  world->Exec(world,TEXT("r.PostProcessAAQuality 0"));
+  world->Exec(world,TEXT("r.BloomQuality 1"));
+  world->Exec(world,TEXT("r.SSR.Quality 0"));
+  world->Exec(world,TEXT("r.DepthOfFieldQuality 0"));
+  world->Exec(world,TEXT("r.SceneColorFormat 2"));
+  world->Exec(world,TEXT("r.TranslucencyVolumeBlur 0"));
+  world->Exec(world,TEXT("r.TranslucencyLightingVolumeDim 4"));
+  world->Exec(world,TEXT("r.MaxAnisotropy 8"));
+  world->Exec(world,TEXT("r.LensFlareQuality 0"));
+  world->Exec(world,TEXT("r.SceneColorFringeQuality 0"));
+  world->Exec(world,TEXT("r.FastBlurThreshold 0"));
+  world->Exec(world,TEXT("r.SSR.MaxRoughness 0.1"));
+  world->Exec(world,TEXT("r.AllowOcclusionQueries 1"));
+  world->Exec(world,TEXT("r.SSR 0"));
+  world->Exec(world,TEXT("r.StencilForLODDither 1"));
+  world->Exec(world,TEXT("r.EarlyZPass 2")); //transparent before opaque
+  world->Exec(world,TEXT("r.EarlyZPassMovable 1"));
+  world->Exec(world,TEXT("r.Foliage.DitheredLOD 0"));
+  world->Exec(world,TEXT("r.ForwardShading 0"));
+  world->Exec(world,TEXT("sg.PostProcessQuality 0"));
+  world->Exec(world,TEXT("r.ViewDistanceScale 0.1"));
+  world->Exec(world,TEXT("sg.ShadowQuality 0"));
+  world->Exec(world,TEXT("sg.TextureQuality 0"));
+  world->Exec(world,TEXT("sg.EffectsQuality 0"));
+  world->Exec(world,TEXT("FoliageQuality 0"));
+  world->Exec(world,TEXT("foliage.DensityScale 0"));
+  world->Exec(world,TEXT("grass.DensityScale 0"));
+  world->Exec(world,TEXT("r.TranslucentLightingVolume 0"));
+  world->Exec(world,TEXT("r.LightShaftDownSampleFactor 4"));
+  world->Exec(world,TEXT("r.OcclusionQueryLocation 1"));
+  world->Exec(world,TEXT("r.BasePassOutputsVelocity 0"));
+  //world->Exec(world,TEXT("r.DetailMode 0")); //-->will change to lods 0
+}
+
+void UCarlaSettings::SetAllLightsLowQuality(UWorld* world) const
+{
+  TArray<AActor*> actors;
+  UGameplayStatics::GetAllActorsOfClass(world, ALight::StaticClass(), actors);
+  for(int32 i=0;i<actors.Num();i++)
+  {
+    //tweak directional lights
+    ADirectionalLight* directionallight = Cast<ADirectionalLight>(actors[i]);
+    if(directionallight)
+    {
+      directionallight->SetCastShadows(false);
+      directionallight->SetLightFunctionFadeDistance(LowLightFadeDistance);
+      continue;
+    }
+    //disable any other type of light
+    actors[i]->SetActorHiddenInGame(true);
+  }
+}
+
+void UCarlaSettings::SetAllRoadsLowQuality(UWorld* world) const
+{
+  TArray<AActor*> actors;
+  UGameplayStatics::GetAllActorsWithTag(world, CARLA_ROAD_TAG,actors);
+  for(int32 i=0; i<actors.Num(); i++)
+  {
+  	TArray<UActorComponent*> components = actors[i]->GetComponentsByClass(UStaticMeshComponent::StaticClass());
+  	for(int32 j=0; j<components.Num(); j++)
+  	{
+  		UStaticMeshComponent* staticmesh = Cast<UStaticMeshComponent>(components[j]);
+  		if(staticmesh)
+  		{
+  			for(int32 k=0; k<staticmesh->GetNumMaterials(); k++)
+  			{
+  				if(LowRoadMaterials.IsValidIndex(k) && LowRoadMaterials[k].MaterialInterface && LowRoadMaterials[k].MaterialInterface->IsValidLowLevel())
+  				{
+  					staticmesh->SetMaterial(k, LowRoadMaterials[k].MaterialInterface);
+  				}
+  			}
+  		}
+  	}
+  }
+}
+
+void UCarlaSettings::SetAllActorsDrawDistance(UWorld* world, const float static_mesh_max_draw_distance) const
+{
+  ///@TODO: use semantics to grab all actors by type (vehicles,ground,people,props) and set different distances configured in the global properties
+  TArray<AActor*> actors;
+  #define _MAX_SCALE_SIZE 50.0f
+  //set the lower quality - max draw distance
+  UGameplayStatics::GetAllActorsOfClass(world, AActor::StaticClass(),actors);
+  for(int32 i=0; i<actors.Num(); i++)
+  {
+	 if(!IsValid(actors[i]) || actors[i]->IsPendingKillPending() || actors[i]->ActorHasTag(CARLA_ROAD_TAG)) continue;
+     TArray<UActorComponent*> components = actors[i]->GetComponentsByClass(UStaticMeshComponent::StaticClass());
+	 float dist = static_mesh_max_draw_distance;
+   const float maxscale = actors[i]->GetActorScale().GetMax();
+	 if(maxscale>_MAX_SCALE_SIZE)  dist *= 100.0f;
+	 for(int32 j=0; j<components.Num(); j++)
+	 {
+		 UStaticMeshComponent* staticmeshcomp = Cast<UStaticMeshComponent>(components[j]);
+		 if(IsValid(staticmeshcomp))
+		 {
+			 staticmeshcomp->SetCullDistance(dist);
+		 }
+	 }
+	 
+  }
+}
+
+
+void UCarlaSettings::ApplyLowQualitySettings() const
+{
+  UWorld *world = GetWorld();
+  if(!world) return ;
+  LaunchLowQualityCommands(world);
+
+  //iterate all terrain, deactivate the actor
+  /*UGameplayStatics::GetAllActorsOfClass(world, ALandscape::StaticClass(), actors);
+  for(i=0; i<actors.Num(); i++)
+  {
+  	ALandscape* landscape = Cast<ALandscape>(actors[i]);
+  	if(landscape)
+  	{
+  		landscape->DisableComponentsSimulatePhysics();
+  		landscape->bUseLandscapeForCullingInvisibleHLODVertices=true;
+  			
+  	}
+  }*/
+  	
+  //iterate all directional lights, deactivate shadows
+  SetAllLightsLowQuality(world);
+  
+  //Set all the roads the low quality material
+  SetAllRoadsLowQuality(world);
+
+  //Set all actors with static meshes a max disntace configured in the global settings for the low quality
+  SetAllActorsDrawDistance(world, LowStaticMeshMaxDrawDistance);
+}
+
 void UCarlaSettings::LoadSettingsFromFile(const FString &FilePath, const bool bLogOnFailure)
 {
   if (FPaths::FileExists(FilePath)) {

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

@@ -36,7 +36,7 @@ public:
 };
 
 class USensorDescription;
-class UMaterial;
+struct FStaticMaterial;
 /** Global settings for CARLA.
  * Setting object used to hold both config settings and editable ones in one place
  * To ensure the settings are saved to the specified config file make sure to add
@@ -84,6 +84,7 @@ public:
     return nullptr;
   }
 
+
   // Special overload for blueprints.
   UFUNCTION(BlueprintCallable)
   void GetActiveWeatherDescription(
@@ -92,9 +93,25 @@ public:
 
   UFUNCTION(BlueprintCallable)
   const FWeatherDescription &GetWeatherDescriptionByIndex(int32 Index);
-
+  ///----------- constants ------------------
+public:
+  /**
+   * CARLA_ROAD name to tag road mesh actors
+   */
+  static const FName CARLA_ROAD_TAG;
+  
 private:
-
+  /***/
+  void LaunchLowQualityCommands(UWorld* world) const;
+  /***/
+  void SetAllLightsLowQuality(UWorld* world) const;
+  /***/
+  void SetAllRoadsLowQuality(UWorld* world) const;
+  /***/
+  void SetAllActorsDrawDistance(UWorld* world, const float static_mesh_max_draw_distance) const;
+  /***/
+  void ApplyLowQualitySettings() const;
+  /***/
   void LoadSettingsFromFile(const FString &FilePath, bool bLogOnFailure);
 
   void ResetSensorDescriptions();
@@ -104,7 +121,7 @@ private:
   FString CurrentFileName;
 
 
-	// ===========================================================================
+  // ===========================================================================
   /// @name CARLA Server
   // ===========================================================================
   /// @{
@@ -180,13 +197,28 @@ private:
   EQualitySettingsLevel DefaultQualitySettingsLevel = EQualitySettingsLevel::None;
  
  public:
-  UPROPERTY(Category = "Quality Settings", EditAnywhere, config)
+  /** @TODO : Move Low quality vars to a generic map of structs with the quality level as key*/
-  TArray<TSubclassOf<UMaterial>> RoadMaterials;
+
+  /** Low quality Road Materials. 
+   * Using the index of array it will assign to the material with the same index in the mesh for each piece of road
+   * @TODO: Use slots name to set it for each part of the road
+   */
+  UPROPERTY(Category = "Quality Settings/Low", EditAnywhere, config, DisplayName="Road Materials List for Low Quality")
+  TArray<FStaticMaterial> LowRoadMaterials;
 
   //distances
+  /**
+   * Distance at which the light function should be completely faded to DisabledBrightness.  
+   * This is useful for hiding aliasing from light functions applied in the distance.
+   */
   UPROPERTY(Category = "Quality Settings/Low", EditAnywhere, config)
-  float LowLightFadeDistance;
+  float LowLightFadeDistance  = 1000.0f;
 
+  /**
+   *
+   */
+  UPROPERTY(Category = "Quality Settings/Low", EditAnywhere, config, meta = (ClampMin = "500.0", ClampMax = "15000.0", UIMin = "500.0", UIMax = "15000.0")) 
+  float LowStaticMeshMaxDrawDistance = 10000.0f;
 
   /// @}