UnrealEngineUWP/Engine/Source/Editor/BlueprintGraph/Private/K2Node_InputVectorAxisEvent.cpp

// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.

#include "BlueprintGraphPrivatePCH.h"
#include "K2Node_InputVectorAxisEvent.h"
#include "CompilerResultsLog.h"
#include "BlueprintNodeSpawner.h"
#include "Engine/InputVectorAxisDelegateBinding.h"

UK2Node_InputVectorAxisEvent::UK2Node_InputVectorAxisEvent(const class FPostConstructInitializeProperties& PCIP)
: Super(PCIP)
{
	EventSignatureName = TEXT("InputVectorAxisHandlerDynamicSignature__DelegateSignature");
}

void UK2Node_InputVectorAxisEvent::ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const
{
	// Skip AxisKeyEvent validation
	UK2Node_Event::ValidateNodeDuringCompilation(MessageLog);

	if (!AxisKey.IsValid())
	{
		MessageLog.Warning(*FText::Format(NSLOCTEXT("KismetCompiler", "Invalid_InputVectorAxis_Warning", "InputVectorAxis Event specifies invalid FKey'{0}' for @@"), FText::FromString(AxisKey.ToString())).ToString(), this);
	}
	else if (!AxisKey.IsVectorAxis())
	{
		MessageLog.Warning(*FText::Format(NSLOCTEXT("KismetCompiler", "NotAxis_InputVectorAxis_Warning", "InputVectorAxis Event specifies FKey'{0}' which is not a vector axis for @@"), FText::FromString(AxisKey.ToString())).ToString(), this);
	}
	else if (!AxisKey.IsBindableInBlueprints())
	{
		MessageLog.Warning(*FText::Format(NSLOCTEXT("KismetCompiler", "NotBindable_InputVectorAxis_Warning", "InputVectorAxis Event specifies FKey'{0}' that is not blueprint bindable for @@"), FText::FromString(AxisKey.ToString())).ToString(), this);
	}
}

UClass* UK2Node_InputVectorAxisEvent::GetDynamicBindingClass() const
{
	return UInputVectorAxisDelegateBinding::StaticClass();
}

void UK2Node_InputVectorAxisEvent::RegisterDynamicBinding(UDynamicBlueprintBinding* BindingObject) const
{
	UInputVectorAxisDelegateBinding* InputVectorAxisBindingObject = CastChecked<UInputVectorAxisDelegateBinding>(BindingObject);

	FBlueprintInputAxisKeyDelegateBinding Binding;
	Binding.AxisKey = AxisKey;
	Binding.bConsumeInput = bConsumeInput;
	Binding.bExecuteWhenPaused = bExecuteWhenPaused;
	Binding.bOverrideParentBinding = bOverrideParentBinding;
	Binding.FunctionNameToBind = CustomFunctionName;

	InputVectorAxisBindingObject->InputAxisKeyDelegateBindings.Add(Binding);
}

void UK2Node_InputVectorAxisEvent::GetMenuActions(TArray<UBlueprintNodeSpawner*>& ActionListOut) const
{
	TArray<FKey> AllKeys;
	EKeys::GetAllKeys(AllKeys);
	
	for (FKey const Key : AllKeys)
	{
		if (!Key.IsBindableInBlueprints() || !Key.IsVectorAxis())
		{
			continue;
		}
		
		UBlueprintNodeSpawner* NodeSpawner = UBlueprintNodeSpawner::Create(GetClass());
		check(NodeSpawner != nullptr);
		
		auto CustomizeInputNodeLambda = [](UEdGraphNode* NewNode, bool bIsTemplateNode, FKey Key)
		{
			UK2Node_InputAxisKeyEvent* InputNode = CastChecked<UK2Node_InputAxisKeyEvent>(NewNode);
			InputNode->Initialize(Key);
		};
		
		NodeSpawner->CustomizeNodeDelegate = UBlueprintNodeSpawner::FCustomizeNodeDelegate::CreateStatic(CustomizeInputNodeLambda, Key);
		ActionListOut.Add(NodeSpawner);
	}
}