Partway done with refactor to lx Player Controller

Source/Integration/PlayerControllerBase.cpp

@@ -0,0 +1,74 @@
+#include "PlayerControllerBase.h"
+#include "Common.h"
+#include "Tangible.h"
+#include "TangibleManager.h"
+#include "Kismet/GameplayStatics.h"
+#include "Engine/GameInstance.h"
+
+AlxPlayerControllerBase *AlxPlayerControllerBase::FromContext(const UObject *Context)
+{
+	APlayerController *PC = Context->GetWorld()->GetFirstPlayerController();
+	AlxPlayerControllerBase *Result = Cast<AlxPlayerControllerBase>(PC);
+	if (Result == nullptr)
+	{
+		UE_LOG(LogLuprexIntegration, Fatal, TEXT("Not currently using a Luprex Player Controller."));
+	}
+	return Result;
+}
+
+const FHitResult &AlxPlayerControllerBase::GetLookAt(const UObject *Context)
+{
+	return FromContext(Context)->CurrentLookAt;
+}
+
+const AActor *AlxPlayerControllerBase::GetLookAtActor(const UObject *Context)
+{
+	return FromContext(Context)->CurrentLookAt.GetActor();
+}
+
+void AlxPlayerControllerBase::SetLookAt(const UObject *Context, const FHitResult &HitResult)
+{
+	AlxPlayerControllerBase *PC = FromContext(Context);
+	if (PC->CurrentLookAt.HitObjectHandle != HitResult.HitObjectHandle)
+	{
+		PC->MustCallLookAtChanged = true;
+	}
+	PC->CurrentLookAt = HitResult;
+}
+
+void AlxPlayerControllerBase::SetLookAtChanged(const UObject *Context)
+{
+	AlxPlayerControllerBase *PC = FromContext(Context);
+	PC->MustCallLookAtChanged = true;
+}
+
+FVector2D AlxPlayerControllerBase::GetLookAtPixel(const UObject *Context)
+{
+	AlxPlayerControllerBase *PC = FromContext(Context);
+	FVector2D ScreenPosition;
+	if (!UGameplayStatics::ProjectWorldToScreen(PC, PC->CurrentLookAt.Location, ScreenPosition, false))
+	{
+		return FVector2D();
+	}
+	return ScreenPosition;
+}
+
+void AlxPlayerControllerBase::UpdateLookAt()
+{
+	UlxTangibleManager *TM = GetGameInstance()->GetSubsystem<UlxTangibleManager>();
+	if (TM == nullptr) return;
+	UlxTangible *Possessed = TM->GetPossessedTangible();
+	if (Possessed == nullptr) return;
+	APawn *Pawn = GetPawn();
+	if (Pawn == nullptr) return;
+	if (Possessed->GetActor() != Pawn) return;
+	if (PlayerCameraManager == nullptr) return;
+
+	CalculateLookAt();
+
+	if (MustCallLookAtChanged)
+	{
+		MustCallLookAtChanged = false;
+		LookAtChanged();
+	}
+}