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13.9 kB
| // Copyright Epic Games, Inc. All Rights Reserved. | |
| class FPaintArgs; | |
| class FSlateRect; | |
| DECLARE_LOG_CATEGORY_EXTERN(LogCommonPlayerInput, Log, All); | |
| DEFINE_LOG_CATEGORY(LogCommonPlayerInput); | |
| struct FSlateDrawUtil | |
| { | |
| static void DrawBrushCenterFit( | |
| FSlateWindowElementList& ElementList, | |
| uint32 InLayer, | |
| const FGeometry& InAllottedGeometry, | |
| const FSlateBrush* InBrush, | |
| const FLinearColor& InTint = FLinearColor::White) | |
| { | |
| DrawBrushCenterFitWithOffset | |
| ( | |
| ElementList, | |
| InLayer, | |
| InAllottedGeometry, | |
| InBrush, | |
| InTint, | |
| FVector2D(0, 0) | |
| ); | |
| } | |
| static void DrawBrushCenterFitWithOffset( | |
| FSlateWindowElementList& ElementList, | |
| uint32 InLayer, | |
| const FGeometry& InAllottedGeometry, | |
| const FSlateBrush* InBrush, | |
| const FLinearColor& InTint, | |
| const FVector2D InOffset) | |
| { | |
| if (!InBrush) | |
| { | |
| return; | |
| } | |
| const FVector2D AreaSize = InAllottedGeometry.GetLocalSize(); | |
| const FVector2D ProgressSize = InBrush->GetImageSize(); | |
| const float FitScale = FMath::Min(FMath::Min(AreaSize.X / ProgressSize.X, AreaSize.Y / ProgressSize.Y), 1.0f); | |
| const FVector2D FinalSize = FitScale * ProgressSize; | |
| const FVector2D Offset = (InAllottedGeometry.GetLocalSize() * 0.5f) - (FinalSize * 0.5f) + InOffset; | |
| FSlateDrawElement::MakeBox | |
| ( | |
| ElementList, | |
| InLayer, | |
| InAllottedGeometry.ToPaintGeometry(FinalSize, FSlateLayoutTransform(Offset)), | |
| InBrush, | |
| ESlateDrawEffect::None, | |
| InTint | |
| ); | |
| } | |
| }; | |
| void FMeasuredText::SetText(const FText& InText) | |
| { | |
| CachedText = InText; | |
| bTextDirty = true; | |
| } | |
| FVector2D FMeasuredText::UpdateTextSize(const FSlateFontInfo &InFontInfo, float FontScale) const | |
| { | |
| if (bTextDirty) | |
| { | |
| bTextDirty = false; | |
| CachedTextSize = FSlateApplication::Get().GetRenderer()->GetFontMeasureService()->Measure(CachedText, InFontInfo, FontScale); | |
| } | |
| return CachedTextSize; | |
| } | |
| UCommonPlayerInputKey::UCommonPlayerInputKey(const FObjectInitializer& ObjectInitializer) | |
| : Super(ObjectInitializer) | |
| , BoundKeyFallback(EKeys::Invalid) | |
| , InputTypeOverride(ECommonInputType::Count) | |
| { | |
| FrameSize = FVector2D(0, 0); | |
| } | |
| void UCommonPlayerInputKey::NativePreConstruct() | |
| { | |
| Super::NativePreConstruct(); | |
| UpdateKeybindWidget(); | |
| if (IsDesignTime()) | |
| { | |
| ShowHoldBackPlate(); | |
| RecalculateDesiredSize(); | |
| } | |
| } | |
| void UCommonPlayerInputKey::NativeConstruct() | |
| { | |
| Super::NativeConstruct(); | |
| } | |
| void UCommonPlayerInputKey::NativeDestruct() | |
| { | |
| if (ProgressPercentageMID) | |
| { | |
| // Need to restore the material on the brush before we kill off the MID. | |
| HoldProgressBrush.SetResourceObject(ProgressPercentageMID->GetMaterial()); | |
| ProgressPercentageMID->MarkAsGarbage(); | |
| ProgressPercentageMID = nullptr; | |
| } | |
| Super::NativeDestruct(); | |
| } | |
| int32 UCommonPlayerInputKey::NativePaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const | |
| { | |
| int32 MaxLayer = Super::NativePaint(Args, AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, InWidgetStyle, bParentEnabled); | |
| if (bDrawProgress) | |
| { | |
| FSlateDrawUtil::DrawBrushCenterFit | |
| ( | |
| OutDrawElements, | |
| ++MaxLayer, | |
| AllottedGeometry, | |
| &HoldProgressBrush, | |
| FLinearColor(InWidgetStyle.GetColorAndOpacityTint() * HoldProgressBrush.GetTint(InWidgetStyle)) | |
| ); | |
| } | |
| if (bDrawCountdownText) | |
| { | |
| const FVector2D CountdownTextOffset = (AllottedGeometry.GetLocalSize() - CountdownText.GetTextSize()) * 0.5f; | |
| FSlateDrawElement::MakeText | |
| ( | |
| OutDrawElements, | |
| ++MaxLayer, | |
| AllottedGeometry.ToOffsetPaintGeometry(CountdownTextOffset), | |
| CountdownText.GetText(), | |
| CountdownTextFont, | |
| ESlateDrawEffect::None, | |
| FLinearColor(InWidgetStyle.GetColorAndOpacityTint()) | |
| ); | |
| } | |
| else if (bDrawBrushForKey) | |
| { | |
| // Draw Shadow | |
| FSlateDrawUtil::DrawBrushCenterFitWithOffset | |
| ( | |
| OutDrawElements, | |
| ++MaxLayer, | |
| AllottedGeometry, | |
| &CachedKeyBrush, | |
| FLinearColor(InWidgetStyle.GetColorAndOpacityTint() * FLinearColor::Black), | |
| FVector2D(1, 1) | |
| ); | |
| FSlateDrawUtil::DrawBrushCenterFit | |
| ( | |
| OutDrawElements, | |
| ++MaxLayer, | |
| AllottedGeometry, | |
| &CachedKeyBrush, | |
| FLinearColor(InWidgetStyle.GetColorAndOpacityTint() * CachedKeyBrush.GetTint(InWidgetStyle)) | |
| ); | |
| } | |
| else if (KeybindText.GetTextSize().X > 0) | |
| { | |
| const FVector2D FrameOffset = (AllottedGeometry.GetLocalSize() - FrameSize) * 0.5f; | |
| FSlateDrawElement::MakeBox | |
| ( | |
| OutDrawElements, | |
| ++MaxLayer, | |
| AllottedGeometry.ToPaintGeometry(FrameSize, FSlateLayoutTransform(FrameOffset)), | |
| &KeyBindTextBorder, | |
| ESlateDrawEffect::None, | |
| FLinearColor(InWidgetStyle.GetColorAndOpacityTint() * KeyBindTextBorder.GetTint(InWidgetStyle)) | |
| ); | |
| const FVector2D ActionTextOffset = (AllottedGeometry.GetLocalSize() - KeybindText.GetTextSize()) * 0.5f; | |
| FSlateDrawElement::MakeText | |
| ( | |
| OutDrawElements, | |
| ++MaxLayer, | |
| AllottedGeometry.ToOffsetPaintGeometry(ActionTextOffset), | |
| KeybindText.GetText(), | |
| KeyBindTextFont, | |
| ESlateDrawEffect::None, | |
| FLinearColor(InWidgetStyle.GetColorAndOpacityTint()) | |
| ); | |
| } | |
| return MaxLayer; | |
| } | |
| void UCommonPlayerInputKey::StartHoldProgress(FName HoldActionName, float HoldDuration) | |
| { | |
| if (HoldActionName == BoundAction && ensureMsgf(HoldDuration > 0.0f, TEXT("Trying to perform hold action \"%s\" with no HoldDuration"), *BoundAction.ToString())) | |
| { | |
| HoldKeybindDuration = HoldDuration; | |
| HoldKeybindStartTime = GetWorld()->GetRealTimeSeconds(); | |
| UpdateHoldProgress(); | |
| } | |
| } | |
| void UCommonPlayerInputKey::StopHoldProgress(FName HoldActionName, bool bCompletedSuccessfully) | |
| { | |
| if (HoldActionName == BoundAction) | |
| { | |
| HoldKeybindStartTime = 0.f; | |
| HoldKeybindDuration = 0.f; | |
| if (ensure(ProgressPercentageMID)) | |
| { | |
| ProgressPercentageMID->SetScalarParameterValue(PercentageMaterialParameterName, 0.f); | |
| } | |
| if (bDrawCountdownText) | |
| { | |
| bDrawCountdownText = false; | |
| Invalidate(EInvalidateWidget::Paint); | |
| RecalculateDesiredSize(); | |
| } | |
| } | |
| } | |
| void UCommonPlayerInputKey::SyncHoldProgress() | |
| { | |
| // If we had an active hold action, stop it | |
| if (HoldKeybindStartTime > 0.f) | |
| { | |
| StopHoldProgress(BoundAction, false); | |
| } | |
| } | |
| void UCommonPlayerInputKey::UpdateHoldProgress() | |
| { | |
| if (HoldKeybindStartTime != 0.f && HoldKeybindDuration > 0.f) | |
| { | |
| const float CurrentTime = GetWorld()->GetRealTimeSeconds(); | |
| const float ElapsedTime = FMath::Min(CurrentTime - HoldKeybindStartTime, HoldKeybindDuration); | |
| const float RemainingTime = FMath::Max(0.0f, HoldKeybindDuration - ElapsedTime); | |
| if (ElapsedTime < HoldKeybindDuration && ensure(ProgressPercentageMID)) | |
| { | |
| const float HoldKeybindPercentage = ElapsedTime / HoldKeybindDuration; | |
| ProgressPercentageMID->SetScalarParameterValue(PercentageMaterialParameterName, HoldKeybindPercentage); | |
| // Schedule a callback for next tick to update the hold progress again. | |
| GetWorld()->GetTimerManager().SetTimerForNextTick(this, &ThisClass::UpdateHoldProgress); | |
| } | |
| if (bShowTimeCountDown) | |
| { | |
| FNumberFormattingOptions Options; | |
| Options.MinimumFractionalDigits = 1; | |
| Options.MaximumFractionalDigits = 1; | |
| CountdownText.SetText(FText::AsNumber(RemainingTime, &Options)); | |
| bDrawCountdownText = true; | |
| Invalidate(EInvalidateWidget::Paint); | |
| RecalculateDesiredSize(); | |
| } | |
| } | |
| } | |
| void UCommonPlayerInputKey::UpdateKeybindWidget() | |
| { | |
| if (!GetOwningPlayer<ACommonPlayerController>()) | |
| { | |
| bWaitingForPlayerController = true; | |
| return; | |
| } | |
| UCommonInputSubsystem* CommonInputSubsystem = GetInputSubsystem(); | |
| if (CommonInputSubsystem && !CommonInputSubsystem->ShouldShowInputKeys()) | |
| { | |
| SetVisibility(ESlateVisibility::Collapsed); | |
| return; | |
| } | |
| const bool bIsUsingGamepad = (InputTypeOverride == ECommonInputType::Gamepad) || ((CommonInputSubsystem != nullptr) && (CommonInputSubsystem->GetCurrentInputType() == ECommonInputType::Gamepad)) ; | |
| if (!BoundKey.IsValid()) | |
| { | |
| BoundKey = BoundKeyFallback; | |
| } | |
| UE_LOG(LogCommonPlayerInput, Verbose, TEXT("UCommonKeybindWidget::UpdateKeybindWidget: Action: %s Key: %s"), *(BoundAction.ToString()), *(BoundKey.ToString())); | |
| // Must be called before Update, due to the creation of ProgressPercentageMID which will be used in Update | |
| SetupHoldKeybind(); | |
| bool NewDrawBrushForKey = false; | |
| bool NeedToRecalcSize = false; | |
| if (BoundKey.IsValid()) | |
| { | |
| SetVisibility(ESlateVisibility::HitTestInvisible); | |
| ShowHoldBackPlate(); | |
| NeedToRecalcSize = true; | |
| } | |
| else | |
| { | |
| if (bShowUnboundStatus) | |
| { | |
| SetVisibility(ESlateVisibility::HitTestInvisible); | |
| NewDrawBrushForKey = false; | |
| KeybindText.SetText(LOCTEXT("Unbound", "Unbound")); | |
| NeedToRecalcSize = true; | |
| } | |
| else | |
| { | |
| SetVisibility(ESlateVisibility::Collapsed); | |
| } | |
| } | |
| if (bDrawBrushForKey != NewDrawBrushForKey) | |
| { | |
| bDrawBrushForKey = NewDrawBrushForKey; | |
| Invalidate(EInvalidateWidget::Paint); | |
| } | |
| // As RecalculateDesiredSize relies on the bDrawBrushForKey | |
| // we shouldn't call it until that value has been finalized | |
| // for the update | |
| if (NeedToRecalcSize) | |
| { | |
| RecalculateDesiredSize(); | |
| } | |
| } | |
| void UCommonPlayerInputKey::SetBoundKey(FKey NewKey) | |
| { | |
| if (NewKey != BoundKey) | |
| { | |
| BoundKeyFallback = NewKey; | |
| BoundAction = NAME_None; | |
| UpdateKeybindWidget(); | |
| } | |
| } | |
| void UCommonPlayerInputKey::SetBoundAction(FName NewBoundAction) | |
| { | |
| bool bUpdateWidget = true; | |
| if (BoundAction != NewBoundAction) | |
| { | |
| BoundAction = NewBoundAction; | |
| } | |
| if (bUpdateWidget) | |
| { | |
| UpdateKeybindWidget(); | |
| } | |
| } | |
| void UCommonPlayerInputKey::NativeOnInitialized() | |
| { | |
| Super::NativeOnInitialized(); | |
| if (UCommonLocalPlayer* CommonLocalPlayer = GetOwningLocalPlayer<UCommonLocalPlayer>()) | |
| { | |
| CommonLocalPlayer->OnPlayerControllerSet.AddUObject(this, &ThisClass::HandlePlayerControllerSet); | |
| } | |
| } | |
| void UCommonPlayerInputKey::SetForcedHoldKeybindStatus(ECommonKeybindForcedHoldStatus InForcedHoldKeybindStatus) | |
| { | |
| ForcedHoldKeybindStatus = InForcedHoldKeybindStatus; | |
| UpdateKeybindWidget(); | |
| } | |
| void UCommonPlayerInputKey::SetShowProgressCountDown(bool bShow) | |
| { | |
| bShowTimeCountDown = bShow; | |
| } | |
| void UCommonPlayerInputKey::SetupHoldKeybind() | |
| { | |
| ACommonPlayerController* OwningCommonPlayer = Cast<ACommonPlayerController>(GetOwningPlayer()); | |
| // Setup the hold | |
| if (ForcedHoldKeybindStatus == ECommonKeybindForcedHoldStatus::ForcedHold) | |
| { | |
| bIsHoldKeybind = true; | |
| } | |
| else if (ForcedHoldKeybindStatus == ECommonKeybindForcedHoldStatus::NeverShowHold) | |
| { | |
| bIsHoldKeybind = false; | |
| } | |
| if (ensure(OwningCommonPlayer)) | |
| { | |
| if (bIsHoldKeybind) | |
| { | |
| // Setup the ProgressPercentageMID | |
| if (ProgressPercentageMID == nullptr) | |
| { | |
| if (UMaterialInterface* Material = Cast<UMaterialInterface>(HoldProgressBrush.GetResourceObject())) | |
| { | |
| ProgressPercentageMID = UMaterialInstanceDynamic::Create(Material, this); | |
| HoldProgressBrush.SetResourceObject(ProgressPercentageMID); | |
| } | |
| } | |
| SyncHoldProgress(); | |
| } | |
| } | |
| } | |
| void UCommonPlayerInputKey::ShowHoldBackPlate() | |
| { | |
| bool bDirty = false; | |
| if (IsHoldKeybind()) | |
| { | |
| float BrushSizeAsValue = 32.0f; | |
| float DesiredBoxSize = BrushSizeAsValue + 10.0f; | |
| if (!bDrawBrushForKey) | |
| { | |
| DesiredBoxSize += 14.0f; | |
| } | |
| const FVector2D NewDesiredBrushSize(DesiredBoxSize, DesiredBoxSize); | |
| if (HoldProgressBrush.GetImageSize() != NewDesiredBrushSize) | |
| { | |
| HoldProgressBrush.SetImageSize(NewDesiredBrushSize); | |
| bDirty = true; | |
| } | |
| if (!bDrawProgress) | |
| { | |
| bDrawProgress = true; | |
| bDirty = true; | |
| } | |
| static const FName BackAlphaName = TEXT("BackAlpha"); | |
| static const FName OutlineAlphaName = TEXT("OutlineAlpha"); | |
| if (ProgressPercentageMID) | |
| { | |
| ProgressPercentageMID->SetScalarParameterValue(BackAlphaName, 0.2f); | |
| ProgressPercentageMID->SetScalarParameterValue(OutlineAlphaName, 0.4f); | |
| } | |
| } | |
| else | |
| { | |
| if (bDrawProgress) | |
| { | |
| bDrawProgress = false; | |
| bDirty = true; | |
| } | |
| } | |
| if (bDirty) | |
| { | |
| Invalidate(EInvalidateWidget::Paint); | |
| } | |
| } | |
| void UCommonPlayerInputKey::HandlePlayerControllerSet(UCommonLocalPlayer* LocalPlayer, APlayerController* PlayerController) | |
| { | |
| if (bWaitingForPlayerController && GetOwningPlayer<ACommonPlayerController>()) | |
| { | |
| UpdateKeybindWidget(); | |
| bWaitingForPlayerController = false; | |
| } | |
| } | |
| void UCommonPlayerInputKey::RecalculateDesiredSize() | |
| { | |
| FVector2D MaximumDesiredSize(0, 0); | |
| float LayoutScale = 1; | |
| if (bDrawProgress) | |
| { | |
| MaximumDesiredSize = FVector2D::Max(MaximumDesiredSize, HoldProgressBrush.GetImageSize()); | |
| } | |
| if (bDrawCountdownText) | |
| { | |
| MaximumDesiredSize = FVector2D::Max(MaximumDesiredSize, CountdownText.UpdateTextSize(CountdownTextFont, LayoutScale)); | |
| } | |
| else if (bDrawBrushForKey) | |
| { | |
| MaximumDesiredSize = FVector2D::Max(MaximumDesiredSize, CachedKeyBrush.GetImageSize()); | |
| } | |
| else | |
| { | |
| const FVector2D KeybindTextSize = KeybindText.UpdateTextSize(KeyBindTextFont, LayoutScale); | |
| FrameSize = FVector2D::Max(KeybindTextSize, KeybindFrameMinimumSize) + KeybindTextPadding.GetDesiredSize(); | |
| MaximumDesiredSize = FVector2D::Max(MaximumDesiredSize, FrameSize); | |
| } | |
| SetMinimumDesiredSize(MaximumDesiredSize); | |
| } | |