Initial Commit - Lesson 31 (Commit #1)

Source/FPSTemplate/Private/UI/Elims/ScoreWidget.cpp

@@ -0,0 +1,63 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "UI/Elims/ScoreWidget.h"
+#include "Components/TextBlock.h"
+#include "Player/MatchPlayerState.h"
+#include "Player/ShooterPlayerController.h"
+
+void UScoreWidget::NativeConstruct()
+{
+	Super::NativeConstruct();
+
+	AMatchPlayerState* PlayerState = GetPlayerState();
+	if (IsValid(PlayerState))
+	{
+		PlayerState->OnScoreChanged.AddDynamic(this, &UScoreWidget::OnScoreChanged);
+		OnScoreChanged(PlayerState->GetScoredElims());
+	}
+	else
+	{
+		AShooterPlayerController* ShooterPlayerController = Cast<AShooterPlayerController>(GetOwningPlayer());
+		if (IsValid(ShooterPlayerController))
+		{
+			ShooterPlayerController->OnPlayerStateReplicated.AddUniqueDynamic(this, &UScoreWidget::OnPlayerStateInitialized);
+		}
+	}
+}
+
+void UScoreWidget::OnScoreChanged(int32 NewScore)
+{
+	if (IsValid(ScoreText))
+	{
+		ScoreText->SetText(FText::AsNumber(NewScore));
+	}
+}
+
+void UScoreWidget::OnPlayerStateInitialized()
+{
+	// Get the PlayerState and bind to the score changed delegate
+	AMatchPlayerState* PlayerState = GetPlayerState();
+	if (IsValid(PlayerState))
+	{
+		PlayerState->OnScoreChanged.AddDynamic(this, &UScoreWidget::OnScoreChanged);
+		OnScoreChanged(PlayerState->GetScoredElims());
+	}
+
+	// Unsubscribe from the OnPlayerStateChanged delegate
+	AShooterPlayerController* ShooterPlayerController = Cast<AShooterPlayerController>(GetOwningPlayer());
+	if (IsValid(ShooterPlayerController))
+	{
+		ShooterPlayerController->OnPlayerStateReplicated.RemoveDynamic(this, &UScoreWidget::OnPlayerStateInitialized);
+	}
+}
+
+AMatchPlayerState* UScoreWidget::GetPlayerState() const
+{
+	APlayerController* PlayerController = GetOwningPlayer();
+	if (IsValid(PlayerController))
+	{
+		return PlayerController->GetPlayerState<AMatchPlayerState>();
+	}
+	return nullptr;
+}

Source/FPSTemplate/Private/UI/Elims/SpecialElimWidget.cpp

@@ -0,0 +1,35 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "UI/Elims/SpecialElimWidget.h"
+
+#include "Blueprint/WidgetLayoutLibrary.h"
+#include "Components/TextBlock.h"
+#include "Components/Image.h"
+
+void USpecialElimWidget::InitializeWidget(const FString& InElimMessage, UTexture2D* InElimTexture)
+{
+	if (IsValid(ElimText))
+	{
+		ElimText->SetText(FText::FromString(InElimMessage));
+	}
+
+	if (IsValid(ElimImage) && InElimTexture)
+	{
+		ElimImage->SetBrushFromTexture(InElimTexture);
+	}
+}
+
+void USpecialElimWidget::CenterWidget(UUserWidget* Widget, float VerticalRatio)
+{
+	if (!IsValid(Widget))
+	{
+		return;
+	}
+	
+	FVector2D ViewportSize = UWidgetLayoutLibrary::GetViewportSize(Widget);
+	const float VerticalFraction = VerticalRatio == 0.f ? 1.f : VerticalRatio * 2.f;
+	FVector2D CenterPosition(ViewportSize.X / 2.0f, VerticalFraction * ViewportSize.Y / 2.0f);
+	Widget->SetAlignmentInViewport(FVector2D(0.5f, 0.5f)); // Align widget center to the center of the viewport
+	Widget->SetPositionInViewport(CenterPosition, true);
+}