void UUserWidget::SetDesiredSizeInViewport(FVector2D DesiredSize)
{
ViewportOffsets.Right = DesiredSize.X;
ViewportOffsets.Bottom = DesiredSize.Y;
ViewportAnchors = FAnchors(0, 0);
}
void UUserWidget::SetPositionInViewport(FVector2D Position)
{
float Scale = UWidgetLayoutLibrary::GetViewportScale(this);
ViewportOffsets.Left = Position.X / Scale;
ViewportOffsets.Top = Position.Y / Scale;
ViewportAnchors = FAnchors(0, 0);
}
UCanvasPanelSlot::UCanvasPanelSlot(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
, Slot(nullptr)
{
LayoutData.Offsets = FMargin(0, 0, 100, 30);
LayoutData.Anchors = FAnchors(0.0f, 0.0f);
LayoutData.Alignment = FVector2D(0.0f, 0.0f);
bAutoSize = false;
ZOrder = 0;
}
UCanvasPanelSlot::UCanvasPanelSlot(const FPostConstructInitializeProperties& PCIP)
: Super(PCIP)
, Slot(NULL)
{
LayoutData.Offsets = FMargin(0, 0, 100, 30);
LayoutData.Anchors = FAnchors(0.0f, 0.0f);
LayoutData.Alignment = FVector2D(0.0f, 0.0f);
bAutoSize = false;
ZOrder = 0;
}
virtual void Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime) override
{
TArray<UWidgetComponent*, TInlineAllocator<1>> DeadComponents;
for ( TWeakObjectPtr<UWidgetComponent> Component : Components )
{
if ( UWidgetComponent* WidgetComponent = Component.Get() )
{
if ( ULocalPlayer* LocalPlayer = WidgetComponent->GetOwnerPlayer() )
{
if ( APlayerController* PlayerController = LocalPlayer->PlayerController )
{
FVector WorldLocation = WidgetComponent->GetComponentLocation();
FVector ScreenPosition;
const bool bProjected = UWidgetLayoutLibrary::ProjectWorldLocationToWidgetPositionWithDistance(PlayerController, WorldLocation, ScreenPosition);
if ( bProjected )
{
WidgetComponent->GetUserWidgetObject()->SetVisibility(ESlateVisibility::SelfHitTestInvisible);
if ( SConstraintCanvas::FSlot* CanvasSlot = ComponentToSlot.FindRef(WidgetComponent) )
{
FVector2D DrawSize = WidgetComponent->GetDrawSize();
FVector2D Pivot = WidgetComponent->GetPivot();
CanvasSlot->AutoSize(DrawSize.IsZero());
CanvasSlot->Offset(FMargin(ScreenPosition.X, ScreenPosition.Y, DrawSize.X, DrawSize.Y));
CanvasSlot->Anchors(FAnchors(0, 0, 0, 0));
CanvasSlot->Alignment(Pivot);
CanvasSlot->ZOrder(-ScreenPosition.Z);
}
}
else
{
WidgetComponent->GetUserWidgetObject()->SetVisibility(ESlateVisibility::Hidden);
}
}
}
}
else
{
DeadComponents.Add(WidgetComponent);
}
}
// Normally components should be removed by someone calling remove component, but just in case it was
// deleted in a way where they didn't happen, this is our backup solution to enure we remove stale widgets.
for ( int32 Index = 0; Index < DeadComponents.Num(); Index++ )
{
RemoveComponent(DeadComponents[Index]);
}
}
UUserWidget::UUserWidget(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
ViewportAnchors = FAnchors(0, 0, 1, 1);
Visiblity_DEPRECATED = Visibility = ESlateVisibility::SelfHitTestInvisible;
bInitialized = false;
bSupportsKeyboardFocus = true;
ColorAndOpacity = FLinearColor::White;
ForegroundColor = FSlateColor::UseForeground();
#if WITH_EDITORONLY_DATA
bUseDesignTimeSize = false;
DesignTimeSize = FVector2D(100, 100);
PaletteCategory = LOCTEXT("UserCreated", "User Created");
#endif
}
void UUserWidget::SetPositionInViewport(FVector2D Position, bool bRemoveDPIScale )
{
if ( bRemoveDPIScale )
{
float Scale = UWidgetLayoutLibrary::GetViewportScale(this);
ViewportOffsets.Left = Position.X / Scale;
ViewportOffsets.Top = Position.Y / Scale;
}
else
{
ViewportOffsets.Left = Position.X;
ViewportOffsets.Top = Position.Y;
}
ViewportAnchors = FAnchors(0, 0);
}
void UQuestLogPanelWidget::GenerateQuestSlots()
{
if (!m_OwningPlayer) return;
ARPGDemoCharacter* thePlayer = Cast<ARPGDemoCharacter>(m_OwningPlayer);
if (!thePlayer) return;
UScrollBox* scrollPanel = (UScrollBox*)FindFirstWidget(UScrollBox::StaticClass());
if (!scrollPanel) return;
scrollPanel->ClearChildren();
if (thePlayer->m_Quests.Num() == 0) return;
for (int i = 0; i < thePlayer->m_Quests.Num(); i++)
{
UCanvasPanel* canvasPanel = NewObject<UCanvasPanel>(USizeBox::StaticClass());
canvasPanel->SetVisibility(ESlateVisibility::SelfHitTestInvisible);
UCustomUserWidgetParent* slotWidget = CreateWidget<UCustomUserWidgetParent>(thePlayer->Controller->CastToPlayerController(), thePlayer->m_WidgetClasses.QuestLogSlotWidget);
UQuestLogSlotWidget* questSlot = Cast<UQuestLogSlotWidget>(slotWidget);
questSlot->m_ParentPanel = this;
questSlot->m_QuestNameText = thePlayer->m_Quests[i].Name;
if (thePlayer->m_Quests[i].Completed)
questSlot->m_ImageTexture = UStaticFunctions::LoadTextureFromPath("/Game/Textures/UI/T_CheckMark");
UPanelSlot* panelSlot = canvasPanel->AddChild(slotWidget);
UCanvasPanelSlot* canvasPanelSlot = Cast<UCanvasPanelSlot>(panelSlot);
FAnchors theAnchors = FAnchors();
theAnchors.Maximum = FVector2D(0, 0);
theAnchors.Minimum = FVector2D(0, 0);
canvasPanelSlot->SetSize(m_QuestSlotSize);
canvasPanelSlot->SetAnchors(theAnchors);
UScrollBoxSlot* theSlot = Cast<UScrollBoxSlot>(scrollPanel->AddChild(canvasPanel));
theSlot->SetHorizontalAlignment(EHorizontalAlignment::HAlign_Fill);
if (questSlot->m_QuestNameText == m_SelectedQuest) {
questSlot->GenerateQuestInfo();
}
}
}
void UInventoryOptionsWidget::RemoveFirstButton()
{
TArray<UWidget*> buttonWidgetArray = FindAllWidgets(UCustomButtonWidget::StaticClass());
buttonWidgetArray[0]->RemoveFromParent();
buttonWidgetArray.RemoveAt(0);
for (UWidget* aWidget : buttonWidgetArray)
{
UCustomButtonWidget* buttonWidget = Cast<UCustomButtonWidget>(aWidget);
UPanelSlot* panelSlot = buttonWidget->Slot;
UUniformGridSlot* gridSlot = Cast<UUniformGridSlot>(panelSlot);
gridSlot->SetRow(FMath::Clamp(gridSlot->Row - 1, 0, 3));
}
TArray<UWidget*> textWidgetArray = FindAllWidgets(UTextBlock::StaticClass());
textWidgetArray[0]->RemoveFromParent();
textWidgetArray.RemoveAt(0);
for (UWidget* aWidget : textWidgetArray)
{
UTextBlock* textBlock = Cast<UTextBlock>(aWidget);
UPanelSlot* panelSlot = textBlock->Slot;
UUniformGridSlot* gridSlot = Cast<UUniformGridSlot>(panelSlot);
gridSlot->SetRow(FMath::Clamp(gridSlot->Row - 1, 0, 3));
}
UWidget* theWidget = FindFirstWidget(UUniformGridPanel::StaticClass());
UUniformGridPanel* thePanel = Cast<UUniformGridPanel>(theWidget);
UCanvasPanelSlot* canvasSlot = Cast<UCanvasPanelSlot>(thePanel->Slot);
SetDesiredSizeInViewport(FVector2D(canvasSlot->GetSize().X, canvasSlot->GetSize().Y * 0.5));
canvasSlot->SetSize(FVector2D(canvasSlot->GetSize().X, canvasSlot->GetSize().Y * 0.5));
FAnchors anchorData = FAnchors();
anchorData.Minimum = FVector2D(0.5, 1);
anchorData.Maximum = FVector2D(0.5, 1);
canvasSlot->SetAnchors(anchorData);
}