integration/Source/Integration/UtilityLibrary.cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "UtilityLibrary.h"
#include "GameFramework/PlayerController.h"
#include "EnhancedInputSubsystems.h"

#define LOCTEXT_NAMESPACE "Luprex Utility"


void UlxUtilityLibrary::CallFunctionByName(UObject *object, const FString &namepart1, const FString &namepart2, const FString &fallback, bool bFailIfNotFound) {
	FString fullname = namepart1 + namepart2;
    if (!IsValid(object)) {
		UE_LOG(LogBlueprint, Error, TEXT("In CallFunctionByName, object passed in is not valid."));
		return;
	}
	UFunction* function = object->FindFunction(FName(*fullname));
	if (function == nullptr) {
		function = object->FindFunction(FName(*fallback));
		if (function == nullptr) {
            if (!bFailIfNotFound) {
                return;
            }
			UE_LOG(LogBlueprint, Error, TEXT("In CallFunctionByName, cannot find the named function or the fallback function"));
			return;
		}
	}
	if (function->ParmsSize != 0) {
		UE_LOG(LogBlueprint, Error, TEXT("CallFunctionByName can only call functions that have no parameters and no return values"));
		return;
	}
	object->ProcessEvent(function, nullptr);
}

FBox UlxUtilityLibrary::GetActorBounds(const AActor *target, bool bOnlyCollidingComponents, bool bIncludeFromChildActors)
{
        FVector ActorOrigin;
        FVector BoxExtent;

        // First argument is bOnlyCollidingComponents - if you want to get the bounds for components that don't have collision enabled then set to false
        // Last argument is bIncludeFromChildActors.  Usually this won't do anything but if we've child-ed an actor - like a gun child-ed to a character
        // then we wouldn't want the gun to be part of the bounds so set to false
        target->GetActorBounds(bOnlyCollidingComponents, ActorOrigin, BoxExtent, bIncludeFromChildActors);

        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;
}