114 lines
3.0 KiB
C++
114 lines
3.0 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "UI/LyraSimulatedInputWidget.h"
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#include "Engine/LocalPlayer.h"
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#include "EnhancedInputSubsystems.h"
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#include "EnhancedPlayerInput.h"
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#include "InputAction.h"
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#include "LyraLogChannels.h"
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#define LOCTEXT_NAMESPACE "LyraSimulatedInputWidget"
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ULyraSimulatedInputWidget::ULyraSimulatedInputWidget(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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SetConsumePointerInput(true);
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}
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#if WITH_EDITOR
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const FText ULyraSimulatedInputWidget::GetPaletteCategory()
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{
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return LOCTEXT("PalleteCategory", "Input");
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}
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#endif // WITH_EDITOR
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void ULyraSimulatedInputWidget::NativeConstruct()
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{
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// TODO: We should query the key the simulate whenever the user rebinds a key and after the PlayerController has
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// had it's input initalized. Doing it here will always result in the fallback key being used because
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// the PC does not have any keys mapped in enhanced input.
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QueryKeyToSimulate();
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Super::NativeConstruct();
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}
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FReply ULyraSimulatedInputWidget::NativeOnTouchEnded(const FGeometry& InGeometry, const FPointerEvent& InGestureEvent)
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{
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FlushSimulatedInput();
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return Super::NativeOnTouchEnded(InGeometry, InGestureEvent);
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}
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UEnhancedInputLocalPlayerSubsystem* ULyraSimulatedInputWidget::GetEnhancedInputSubsystem() const
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{
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if (APlayerController* PC = GetOwningPlayer())
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{
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if (ULocalPlayer* LP = GetOwningLocalPlayer())
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{
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return LP->GetSubsystem<UEnhancedInputLocalPlayerSubsystem>();
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}
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}
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return nullptr;
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}
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UEnhancedPlayerInput* ULyraSimulatedInputWidget::GetPlayerInput() const
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{
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if (UEnhancedInputLocalPlayerSubsystem* System = GetEnhancedInputSubsystem())
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{
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return System->GetPlayerInput();
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}
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return nullptr;
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}
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void ULyraSimulatedInputWidget::InputKeyValue(const FVector& Value)
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{
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if (UEnhancedPlayerInput* Input = GetPlayerInput())
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{
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if(KeyToSimulate.IsValid())
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{
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FInputKeyParams Params;
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Params.Delta = Value;
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Params.Key = KeyToSimulate;
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Params.NumSamples = 1;
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Params.DeltaTime = GetWorld()->GetDeltaSeconds();
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Params.bIsGamepadOverride = KeyToSimulate.IsGamepadKey();
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Input->InputKey(Params);
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}
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}
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else
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{
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UE_LOG(LogLyra, Error, TEXT("'%s' is attempting to simulate input but has no player input!"), *GetNameSafe(this));
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}
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}
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void ULyraSimulatedInputWidget::InputKeyValue2D(const FVector2D& Value)
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{
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InputKeyValue(FVector(Value.X, Value.Y, 0.0));
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}
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void ULyraSimulatedInputWidget::FlushSimulatedInput()
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{
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if (UEnhancedPlayerInput* Input = GetPlayerInput())
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{
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Input->FlushPressedKeys();
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}
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}
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void ULyraSimulatedInputWidget::QueryKeyToSimulate()
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{
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if (UEnhancedInputLocalPlayerSubsystem* System = GetEnhancedInputSubsystem())
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{
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TArray<FKey> Keys = System->QueryKeysMappedToAction(AssociatedAction);
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if(!Keys.IsEmpty() && Keys[0].IsValid())
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{
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KeyToSimulate = Keys[0];
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}
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else
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{
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KeyToSimulate = FallbackBindingKey;
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}
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}
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}
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#undef LOCTEXT_NAMESPACE
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