Partway done with refactor to lx Player Controller

Source/Integration/PlayerControllerBase.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Engine/HitResult.h"
+#include "GameFramework/PlayerController.h"
+#include "PlayerControllerBase.generated.h"
+
+UCLASS(BlueprintType, Blueprintable)
+class INTEGRATION_API AlxPlayerControllerBase : public APlayerController
+{
+	GENERATED_BODY()
+
+public:
+	UFUNCTION(BlueprintCallable, meta = (WorldContext = "Context"), Category = "Luprex|Look-At Detection")
+	static void SetLookAt(const UObject *Context, const FHitResult &HitResult);
+
+	UFUNCTION(BlueprintPure, meta = (WorldContext = "Context"), Category = "Luprex|Look-At Detection")
+	static const FHitResult &GetLookAt(const UObject *Context);
+
+	UFUNCTION(BlueprintPure, meta = (WorldContext = "Context"), Category = "Luprex|Look-At Detection")
+	static const AActor *GetLookAtActor(const UObject *Context);
+
+	UFUNCTION(BlueprintPure, meta = (WorldContext = "Context"), Category = "Luprex|Look-At Detection")
+	static FVector2D GetLookAtPixel(const UObject *Context);
+
+	UFUNCTION(BlueprintCallable, meta = (WorldContext = "Context"), Category = "Luprex|Look-At Detection")
+	static void SetLookAtChanged(const UObject *Context);
+
+	// Blueprint events
+	UFUNCTION(BlueprintImplementableEvent, Category = "Luprex|Look-At Detection")
+	void CalculateLookAt();
+
+	UFUNCTION(BlueprintImplementableEvent, Category = "Luprex|Look-At Detection")
+	void LookAtChanged();
+
+	// Called by GameMode each tick.
+	void UpdateLookAt();
+
+	// Get the player controller, cast to AlxPlayerControllerBase.
+	static AlxPlayerControllerBase *FromContext(const UObject *Context);
+
+	UPROPERTY()
+	FHitResult CurrentLookAt;
+
+	bool MustCallLookAtChanged = false;
+};