Further optimizations and fix for exponential height fog and skylight intensity curve

Config/DefaultEngine.ini

@@ -192,7 +192,7 @@ r.SSGI.Quality=4
 r.VolumetricRenderTarget.Mode=1
 r.VolumetricCloud.ViewRaySampleMaxCount=64
 
-r.DistanceFieldAO=0
+r.DistanceFieldAO=1
 
 [/Script/LinuxTargetPlatform.LinuxTargetSettings]
 TargetArchitecture=X86_64UnknownLinuxGnu

Source/ProjectEleri/Private/TimeOfDayManager.cpp

@@ -475,11 +475,21 @@ void ATimeOfDayManager::ToggleTimeActive(bool bNewActive)
     TimeTicking = bNewActive;
 }
 
-void ATimeOfDayManager::ToggleShadowsOnSkyLight(bool bActive)
+void ATimeOfDayManager::ApplyUserGraphicsScalability(int32 Index)
 {
     if (skyLight)
     {
-        skyLight->SetCastShadows(bActive);
+        skyLight->SetCastShadows(Index > 2);
+    }
+
+    if (sunLight && moonLight)
+    {
+        constexpr float ShadowDistanceByIndex[] = { 3000.f, 7000.f, 10000.f, 20000.f };
+        constexpr float DistanceShadowDistanceByIndex[] = { 15000.f, 20000.f, 30000.f, 40000.f };
+        sunLight->SetDynamicShadowDistanceMovableLight(ShadowDistanceByIndex[Index]);
+        sunLight->DistanceFieldShadowDistance = DistanceShadowDistanceByIndex[Index];
+        moonLight->SetDynamicShadowDistanceMovableLight(ShadowDistanceByIndex[Index]);
+        moonLight->DistanceFieldShadowDistance = DistanceShadowDistanceByIndex[Index];
     }
 }
 

Source/ProjectEleri/Public/TimeOfDayManager.h

@@ -311,8 +311,8 @@ public:
     UFUNCTION(BlueprintCallable, Category = "Time of day")
     void ToggleTimeActive(bool bNewActive);
     
-    UFUNCTION(BlueprintCallable, Category = "Time of day")
-    void ToggleShadowsOnSkyLight(bool bActive);
+    UFUNCTION(BlueprintCallable, Category = "Time of day|Settings")
+    void ApplyUserGraphicsScalability(int32 Index);
     
     UFUNCTION(BlueprintCallable, Category = "Time of day")
     TArray<FCalendarDayData> GetCalendarDataForMonth(int32 Month = 1);