Move some utility functions from Blueprint to C++

Source/Integration/Integration.Build.cs

@@ -8,7 +8,7 @@ public class Integration : ModuleRules
 	{
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 	
-		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "Sockets", "Networking" });
+		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "Sockets", "Networking", "EnhancedInput" });
 
 		PrivateDependencyModuleNames.AddRange(new string[] {  });
 

Source/Integration/UtilityLibrary.cpp

@@ -2,6 +2,8 @@
 
 
 #include "UtilityLibrary.h"
+#include "GameFramework/PlayerController.h"
+#include "EnhancedInputSubsystems.h"
 
 #define LOCTEXT_NAMESPACE "Luprex Utility"
 
@@ -60,3 +62,32 @@ FBox UlxUtilityLibrary::GetActorBounds(const AActor *target, bool bOnlyColliding
 
         return FBox::BuildAABB(ActorOrigin, BoxExtent);
 }
+
+void UlxUtilityLibrary::AddMovementInputRightward(APawn *target, double ScaleValue, bool Force) {
+	FRotator rotator = target->GetControlRotation();
+	rotator.Pitch = 0.0;
+	rotator.Roll = 0.0;
+	rotator.Yaw += 90.0;
+	FVector vector = rotator.Vector();
+	target->AddMovementInput(vector, ScaleValue, Force);
+}
+
+void UlxUtilityLibrary::AddMovementInputForward(APawn *target, double ScaleValue, bool Force) {
+	FRotator rotator = target->GetControlRotation();
+	rotator.Roll = 0.0;
+	rotator.Pitch = 0.0;
+	FVector vector = rotator.Vector();
+	target->AddMovementInput(vector, ScaleValue, Force);
+}
+
+UEnhancedInputLocalPlayerSubsystem *UlxUtilityLibrary::GetEnhancedInputLocalPlayerSubsystem(AController *Controller) {
+	APlayerController *pc = Cast<APlayerController>(Controller);
+	if (pc != nullptr) {
+		UEnhancedInputLocalPlayerSubsystem* subsys = 
+			ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(pc->GetLocalPlayer());
+		if (subsys != nullptr) {
+			return subsys;
+		}
+	}
+	return nullptr;
+}

Source/Integration/UtilityLibrary.h

@@ -5,10 +5,13 @@
 #include "CoreMinimal.h"
 #include "UtilityLibrary.generated.h"
 
+class UEnhancedInputLocalPlayerSubsystem;
+
 /**
  *
- * UlxUtilityLibrary is for functions that are just generally-useful functionality
+ * UlxUtilityLibrary is for functions that are aren't particularly luprex-specific,
- * that Unreal includes, but for some reason was not made accessible to Blueprints.
+ * but rather, are just generally-useful functionality that could help in any
+ * Unreal program.
  * 
  */
 UCLASS()
@@ -33,4 +36,20 @@ public:
 	//
 	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "target"), Category = "Luprex|Utility")
 		static FBox GetActorBounds(const AActor *target, bool bOnlyCollidingComponents = false, bool bIncludeFromChildActors = false);
+	
+	// Add movement input, using the yaw of the control rotation to find a rightward vector.
+	//
+	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "target"), Category = "Pawn|Input")
+		static void AddMovementInputRightward(APawn *target, double ScaleValue=1.0, bool Force=false);
+
+	// Add movement input, using the yaw of the control rotation to find a forward vector.
+	//
+	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "target"), Category = "Pawn|Input")
+		static void AddMovementInputForward(APawn *target, double ScaleValue=1.0, bool Force=false);
+
+	// Get the enhanced input local player subsystem from a controller.  If the controller
+	// is not a player controller, or if it is a player controller but it doesn't have an
+	// enhanced input subsystem, return nullptr.
+	UFUNCTION(BlueprintCallable, BlueprintPure, Category="Player Controller|Local Player Subsystems")
+		static UEnhancedInputLocalPlayerSubsystem *GetEnhancedInputLocalPlayerSubsystem(AController *Controller);
 };