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131 lines
4.4 KiB
C++
131 lines
4.4 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#include "BlueprintGraphPrivatePCH.h"
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#include "CompilerResultsLog.h"
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#include "BlueprintNodeSpawner.h"
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#include "EditorCategoryUtils.h"
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#include "Engine/InputAxisDelegateBinding.h"
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#define LOCTEXT_NAMESPACE "K2Node_InputAxisEvent"
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UK2Node_InputAxisEvent::UK2Node_InputAxisEvent(const class FPostConstructInitializeProperties& PCIP)
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: Super(PCIP)
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{
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bConsumeInput = true;
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bOverrideParentBinding = true;
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bInternalEvent = true;
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EventSignatureName = TEXT("InputAxisHandlerDynamicSignature__DelegateSignature");
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EventSignatureClass = UInputComponent::StaticClass();
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}
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void UK2Node_InputAxisEvent::PostLoad()
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{
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Super::PostLoad();
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if (GetLinkerUE4Version() < VER_UE4_BLUEPRINT_INPUT_BINDING_OVERRIDES)
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{
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// Don't change existing behaviors
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bOverrideParentBinding = false;
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}
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}
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void UK2Node_InputAxisEvent::Initialize(const FName AxisName)
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{
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InputAxisName = AxisName;
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CustomFunctionName = FName( *FString::Printf(TEXT("InpAxisEvt_%s_%s"), *InputAxisName.ToString(), *GetName()));
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}
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FText UK2Node_InputAxisEvent::GetNodeTitle(ENodeTitleType::Type TitleType) const
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{
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FFormatNamedArguments Args;
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Args.Add(TEXT("InputAxisName"), FText::FromName(InputAxisName));
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FText LocFormat = NSLOCTEXT("K2Node", "InputAxis_Name", "InputAxis {InputAxisName}");
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if (TitleType == ENodeTitleType::ListView)
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{
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LocFormat = NSLOCTEXT("K2Node", "InputAxis_ListTitle", "{InputAxisName}");
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}
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return FText::Format(LocFormat, Args);
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}
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FString UK2Node_InputAxisEvent::GetTooltip() const
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{
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return FString::Printf(*NSLOCTEXT("K2Node", "InputAxis_Tooltip", "Event that provides the current value of the %s axis once per frame when input is enabled for the containing actor.").ToString(), *InputAxisName.ToString());
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}
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void UK2Node_InputAxisEvent::ValidateNodeDuringCompilation(class FCompilerResultsLog& MessageLog) const
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{
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Super::ValidateNodeDuringCompilation(MessageLog);
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TArray<FName> AxisNames;
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GetDefault<UInputSettings>()->GetAxisNames(AxisNames);
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if (!AxisNames.Contains(InputAxisName))
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{
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MessageLog.Warning(*FString::Printf(*NSLOCTEXT("KismetCompiler", "MissingInputAxisEvent_Warning", "Input Axis Event references unknown Axis '%s' for @@").ToString(), *InputAxisName.ToString()), this);
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}
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}
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UClass* UK2Node_InputAxisEvent::GetDynamicBindingClass() const
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{
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return UInputAxisDelegateBinding::StaticClass();
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}
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void UK2Node_InputAxisEvent::RegisterDynamicBinding(UDynamicBlueprintBinding* BindingObject) const
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{
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UInputAxisDelegateBinding* InputAxisBindingObject = CastChecked<UInputAxisDelegateBinding>(BindingObject);
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FBlueprintInputAxisDelegateBinding Binding;
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Binding.InputAxisName = InputAxisName;
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Binding.bConsumeInput = bConsumeInput;
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Binding.bExecuteWhenPaused = bExecuteWhenPaused;
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Binding.bOverrideParentBinding = bOverrideParentBinding;
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Binding.FunctionNameToBind = CustomFunctionName;
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InputAxisBindingObject->InputAxisDelegateBindings.Add(Binding);
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}
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bool UK2Node_InputAxisEvent::IsCompatibleWithGraph(const UEdGraph* TargetGraph) const
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{
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// By default, to be safe, we don't allow events to be pasted, except under special circumstances (see below)
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bool bIsCompatible = false;
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// Find the Blueprint that owns the target graph
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UBlueprint* Blueprint = FBlueprintEditorUtils::FindBlueprintForGraph(TargetGraph);
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if (Blueprint && Blueprint->SkeletonGeneratedClass)
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{
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bIsCompatible = Blueprint->ParentClass->IsChildOf(AActor::StaticClass());
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}
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return bIsCompatible && Super::IsCompatibleWithGraph(TargetGraph);
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}
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void UK2Node_InputAxisEvent::GetMenuActions(TArray<UBlueprintNodeSpawner*>& ActionListOut) const
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{
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TArray<FName> AxisNames;
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GetDefault<UInputSettings>()->GetAxisNames(AxisNames);
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for (FName const InputAxisName : AxisNames)
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{
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UBlueprintNodeSpawner* NodeSpawner = UBlueprintNodeSpawner::Create(GetClass());
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check(NodeSpawner != nullptr);
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auto CustomizeInputNodeLambda = [](UEdGraphNode* NewNode, bool bIsTemplateNode, FName AxisName)
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{
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UK2Node_InputAxisEvent* InputNode = CastChecked<UK2Node_InputAxisEvent>(NewNode);
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InputNode->Initialize(AxisName);
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};
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NodeSpawner->CustomizeNodeDelegate = UBlueprintNodeSpawner::FCustomizeNodeDelegate::CreateStatic(CustomizeInputNodeLambda, InputAxisName);
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ActionListOut.Add(NodeSpawner);
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}
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}
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FText UK2Node_InputAxisEvent::GetMenuCategory() const
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{
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return FEditorCategoryUtils::BuildCategoryString(FCommonEditorCategory::Input, LOCTEXT("ActionMenuCategory", "Axis Events"));
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}
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#undef LOCTEXT_NAMESPACE
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