HAxis sos

Source/UnrealProject/GUI/CombatText/CombatTextText.cpp

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+// Project Lab - NHTV Igad
+
+#include "UnrealProject.h"
+#include "CombatTextText.h"
+
+
+
+void UCombatTextText::NativeConstruct()
+{
+	Super::NativeConstruct();
+	lifeTime = 0;
+}
+
+
+void UCombatTextText::SetText_Implementation(const FString& text)
+{
+
+}
+void UCombatTextText::SetColor_Implementation(const FLinearColor& color)
+{
+
+}

Source/UnrealProject/GUI/CombatText/CombatTextText.h

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+// Project Lab - NHTV Igad
+
+#pragma once
+
+#include "Blueprint/UserWidget.h"
+#include "CombatTextText.generated.h"
+
+/**
+ * 
+ */
+
+UCLASS()
+class UNREALPROJECT_API UCombatTextText : public UUserWidget
+{
+	GENERATED_BODY()
+
+public:
+	virtual void NativeConstruct();
+
+	UFUNCTION(BlueprintNativeEvent, Category = "CombatText")
+	void SetText(const FString& text);
+
+	UFUNCTION(BlueprintNativeEvent, Category = "CombatText")
+	void SetColor(const FLinearColor& color);
+
+
+	float lifeTime;
+	FVector position;
+};

Source/UnrealProject/GUI/CombatText/CombatTextWidget.cpp

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+// Project Lab - NHTV Igad
+
+#include "UnrealProject.h"
+#include "CombatTextWidget.h"
+#include "CombatTextText.h"
+#include "WidgetLayoutLibrary.h"
+
+#define TEXT_LIFETIME 1.0f
+
+void UCombatTextWidget::NativeConstruct()
+{
+	Super::NativeConstruct();
+
+
+}
+void UCombatTextWidget::NativeDestruct()
+{
+	Super::NativeDestruct();
+}
+
+void UCombatTextWidget::NativeTick(const FGeometry& geometry, float deltaTime)
+{
+	Super::NativeTick(geometry, deltaTime);
+	
+	UWorld* const world = GetWorld();
+	if (!IsValid(world)) return;
+	APlayerController* const controller = world->GetFirstPlayerController();
+	if (!IsValid(controller)) return;
+
+	const FVector2D screenSize = FVector2D(world->GetGameViewport()->Viewport->GetSizeXY().X, world->GetGameViewport()->Viewport->GetSizeXY().Y);
+	const float viewportScale = UWidgetLayoutLibrary::GetViewportScale(this);
+	
+
+	for (int32 i = 0; i < m_combatTexts.Num();)
+	{
+		// Check the lifetime
+		CombatText& text = m_combatTexts[i];
+		text.lifeTime += deltaTime;
+		if (text.lifeTime >= TEXT_LIFETIME)
+		{
+			text.textObject->RemoveFromParent();
+			m_combatTexts.RemoveAt(i);
+			continue;
+		}
+
+		// Set the color
+		UCanvasPanelSlot* asSlot = Cast<UCanvasPanelSlot>(text.textObject->Slot);
+		if (asSlot)
+		{
+			const float progress = text.lifeTime / TEXT_LIFETIME;
+			text.textObject->SetColor(FLinearColor(text.color.R, text.color.G, text.color.B, text.color.A * (1.0f - progress)));
+
+			// Update position
+			FVector2D position;
+			if (controller->ProjectWorldLocationToScreen(text.position + FVector(0, 0, progress * 200), position))
+			{
+				if (text.arc)
+				{
+					position -= FVector2D(progress * text.arcDir.X, FMath::Sin(progress * PI) * text.arcDir.Y) * 100;
+					asSlot->SetPosition(position / viewportScale);
+				}
+				else
+					asSlot->SetPosition(position / viewportScale);
+			}
+		}
+
+		i++;
+	}
+}
+
+
+void UCombatTextWidget::CreateCombatText(const FVector& position, const FString& text, const FLinearColor& color)
+{
+	CombatText combatText(position, text, color, false);
+
+	combatText.textObject = m_CreateTextObject(text, color);
+
+	m_combatTexts.Add(combatText);
+}
+void UCombatTextWidget::CreateArcingCombatText(const FVector& position, const FString& text, const FLinearColor& color)
+{
+	CombatText combatText(position, text, color, true);
+
+	combatText.arcDir.X = FMath::SRand() * 0.5f + 0.3f;
+	combatText.arcDir.Y = FMath::SRand() * 0.5f + 0.3f;
+	if (FMath::Rand() % 2 == 0)
+		combatText.arcDir.X = -combatText.arcDir.X;
+
+	combatText.textObject = m_CreateTextObject(text, color);
+
+	m_combatTexts.Add(combatText);
+}
+
+UCombatTextText* UCombatTextWidget::m_CreateTextObject(const FString& text, const FLinearColor& color)
+{
+	UCombatTextText* newObject = CreateWidget<UCombatTextText>(GetWorld(), textWidget);
+	canvas->AddChild(newObject);
+	UCanvasPanelSlot* asSlot = Cast<UCanvasPanelSlot>(newObject->Slot);
+	asSlot->SetSize(FVector2D(1000, 500));
+	asSlot->SetAlignment(FVector2D(0.5f, 0.05f));
+
+	newObject->SetText(text);
+	newObject->SetColor(color);
+
+	return newObject;
+}

Source/UnrealProject/GUI/CombatText/CombatTextWidget.h

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+// Project Lab - NHTV Igad
+
+#pragma once
+
+#include "Blueprint/UserWidget.h"
+#include "CombatTextWidget.generated.h"
+
+/**
+ * 
+ */
+
+
+
+UCLASS()
+class UNREALPROJECT_API UCombatTextWidget : public UUserWidget
+{
+	GENERATED_BODY()
+	
+public:
+	virtual void NativeConstruct();
+	virtual void NativeDestruct();
+	virtual void NativeTick(const FGeometry& geometry, float deltaTime) override;
+
+	UPROPERTY(EditAnywhere, Category = "CombatText")
+	TSubclassOf<class UCombatTextText> textWidget;
+
+	UPROPERTY(BlueprintReadWrite, Category = "CombatText")
+	class UCanvasPanel* canvas;
+
+	UFUNCTION(BlueprintCallable, Category = "CombatText")
+	void CreateCombatText(const FVector& position, const FString& text, const FLinearColor& color);
+
+	UFUNCTION(BlueprintCallable, Category = "CombatText")
+	void CreateArcingCombatText(const FVector& position, const FString& text, const FLinearColor& color);
+
+
+private:
+	struct CombatText
+	{
+		CombatText(const FVector& position, const FString& text, const FLinearColor& color, bool arc) : position(position), text(text), color(color), lifeTime(0), arc(arc) {}
+		FVector position;
+		FString text;
+		FLinearColor color;
+		float lifeTime;
+		bool arc;
+		FVector2D arcDir;
+
+		UCombatTextText* textObject;
+	};
+
+	TArray<CombatText> m_combatTexts;
+
+	UCombatTextText* m_CreateTextObject(const FString& text, const FLinearColor& color);
+};