Files
PHY/Source/PHY/Private/UI/PHYAttributeResourceBarWidget.cpp

142 lines
4.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "UI/PHYAttributeResourceBarWidget.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(PHYAttributeResourceBarWidget)
#include "Blueprint/WidgetTree.h"
#include "Components/Border.h"
#include "Components/HorizontalBox.h"
#include "Components/HorizontalBoxSlot.h"
#include "Components/ProgressBar.h"
#include "Components/SizeBox.h"
#include "Components/TextBlock.h"
#include "Components/VerticalBox.h"
#include "Components/VerticalBoxSlot.h"
#include "Engine/Texture2D.h"
#include "Fonts/SlateFontInfo.h"
#include "Styling/CoreStyle.h"
#include "Styling/SlateBrush.h"
#include "Widgets/SWidget.h"
namespace
{
const TCHAR* const AttributeResourceRowTexturePath = TEXT("/Game/AGame/UI/Attributes/Textures/T_PHY_UI_RowStrip.T_PHY_UI_RowStrip");
float MakePercent(const float CurrentValue, const float MaxValue)
{
return MaxValue > UE_SMALL_NUMBER ? FMath::Clamp(CurrentValue / MaxValue, 0.0f, 1.0f) : 0.0f;
}
FSlateBrush MakeAttributeResourceBrush()
{
FSlateBrush Brush;
Brush.DrawAs = ESlateBrushDrawType::Box;
Brush.Margin = FMargin(0.08f);
Brush.ImageSize = FVector2D(512.0f, 64.0f);
Brush.TintColor = FSlateColor(FLinearColor(1.0f, 1.0f, 1.0f, 0.88f));
if (UTexture2D* Texture = LoadObject<UTexture2D>(nullptr, AttributeResourceRowTexturePath))
{
Brush.SetResourceObject(Texture);
}
return Brush;
}
}
UPHYAttributeResourceBarWidget::UPHYAttributeResourceBarWidget(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
}
TSharedRef<SWidget> UPHYAttributeResourceBarWidget::RebuildWidget()
{
BuildNativeWidgetTree();
return Super::RebuildWidget();
}
void UPHYAttributeResourceBarWidget::SynchronizeProperties()
{
Super::SynchronizeProperties();
UpdateResourceWidgets();
}
void UPHYAttributeResourceBarWidget::SetResource(FText InLabel, const float InCurrentValue, const float InMaxValue, const FLinearColor InBarTint)
{
Label = MoveTemp(InLabel);
CurrentValue = InCurrentValue;
MaxValue = FMath::Max(1.0f, InMaxValue);
BarTint = InBarTint;
UpdateResourceWidgets();
}
void UPHYAttributeResourceBarWidget::BuildNativeWidgetTree()
{
if (!WidgetTree)
{
WidgetTree = NewObject<UWidgetTree>(this, TEXT("WidgetTree"), RF_Transient);
}
if (WidgetTree->RootWidget && LabelText && ValueText && ResourceBar)
{
return;
}
UBorder* RootBorder = WidgetTree->ConstructWidget<UBorder>(UBorder::StaticClass(), TEXT("RootBorder"));
RootBorder->SetBrush(MakeAttributeResourceBrush());
RootBorder->SetPadding(FMargin(10.0f, 5.0f));
WidgetTree->RootWidget = RootBorder;
UHorizontalBox* HeaderBox = WidgetTree->ConstructWidget<UHorizontalBox>(UHorizontalBox::StaticClass(), TEXT("HeaderBox"));
RootBorder->SetContent(HeaderBox);
LabelText = WidgetTree->ConstructWidget<UTextBlock>(UTextBlock::StaticClass(), TEXT("LabelText"));
LabelText->SetFont(FSlateFontInfo(FCoreStyle::GetDefaultFont(), 16));
LabelText->SetColorAndOpacity(FSlateColor(FLinearColor(0.34f, 0.27f, 0.17f, 1.0f)));
if (UHorizontalBoxSlot* LabelSlot = HeaderBox->AddChildToHorizontalBox(LabelText))
{
LabelSlot->SetSize(FSlateChildSize(ESlateSizeRule::Automatic));
LabelSlot->SetPadding(FMargin(0.0f, 0.0f, 18.0f, 0.0f));
LabelSlot->SetVerticalAlignment(VAlign_Center);
}
USizeBox* BarSizeBox = WidgetTree->ConstructWidget<USizeBox>(USizeBox::StaticClass(), TEXT("BarSizeBox"));
BarSizeBox->SetHeightOverride(13.0f);
if (UHorizontalBoxSlot* BarOuterSlot = HeaderBox->AddChildToHorizontalBox(BarSizeBox))
{
BarOuterSlot->SetSize(FSlateChildSize(ESlateSizeRule::Fill));
BarOuterSlot->SetPadding(FMargin(0.0f, 2.0f, 18.0f, 0.0f));
BarOuterSlot->SetVerticalAlignment(VAlign_Center);
}
ResourceBar = WidgetTree->ConstructWidget<UProgressBar>(UProgressBar::StaticClass(), TEXT("ResourceBar"));
BarSizeBox->AddChild(ResourceBar);
ValueText = WidgetTree->ConstructWidget<UTextBlock>(UTextBlock::StaticClass(), TEXT("ValueText"));
ValueText->SetFont(FSlateFontInfo(FCoreStyle::GetDefaultFont(), 14));
ValueText->SetColorAndOpacity(FSlateColor(FLinearColor(0.23f, 0.20f, 0.16f, 1.0f)));
if (UHorizontalBoxSlot* ValueSlot = HeaderBox->AddChildToHorizontalBox(ValueText))
{
ValueSlot->SetSize(FSlateChildSize(ESlateSizeRule::Automatic));
ValueSlot->SetVerticalAlignment(VAlign_Center);
}
UpdateResourceWidgets();
}
void UPHYAttributeResourceBarWidget::UpdateResourceWidgets()
{
if (LabelText)
{
LabelText->SetText(Label);
}
if (ValueText)
{
ValueText->SetText(FText::FromString(FString::Printf(TEXT("%.0f / %.0f"), FMath::Max(0.0f, CurrentValue), FMath::Max(1.0f, MaxValue))));
}
if (ResourceBar)
{
ResourceBar->SetPercent(MakePercent(CurrentValue, MaxValue));
ResourceBar->SetFillColorAndOpacity(BarTint);
}
}