DamageTextWidget.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UI/UserWidgetBase.h"
#include "DamageTextWidget.generated.h"
 
class UWrapBoxSlot;
class UWrapBox;
class UDamageNumberWidget;
class UTextBlock;
 
 
UCLASS()
class CK_UE_API UDamageTextWidget : public UUserWidgetBase
{
    GENERATED_BODY()
 
public:
    bool TryPreAllocation(int32 DamageStringLength);
 
public:
    UFUNCTION(BlueprintCallable, Category = "DamageText")
    void SetAndShowDamageText(const int32 DamageStringLength, const TArray<UTexture2D*> NumberTextures);
 
public:
    UFUNCTION(BlueprintPure, Category = "DamageText")
    FORCEINLINE int32 GetDamageTextCount()
    {
        return CachedDamageNumberWidgets.Num();
    }
    
    UFUNCTION(BlueprintPure, Category = "DamageText")
    FORCEINLINE float GetActiveInterval()
    {
        return ActiveInterval;
    }
 
protected:
    virtual void NativeConstruct() override;
    
    UFUNCTION(BlueprintCallable, Category = "DamageText")
    UWrapBoxSlot* SpawnDamageNumberWidgets(int32 Index, UTexture2D* NumberTexture);
    
    UFUNCTION()
    void OnFinishedDamageNumberTextAnimation(UDamageNumberWidget* Widget, EWidgetState AnimState);
    
    UFUNCTION(BlueprintImplementableEvent, Category = "DamageText")
    void ScheduleDamageNumberSpawns(int32 DamageStringLength, const TArray<UTexture2D*>& NumberTextures);
 
protected:
    //Number 위젯들을 활성화시키는 간격. 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "DamageText", meta = (ClampMin = 0.01f, ClampMax = 2.0f))
    float ActiveInterval = 0.1f;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "DamageText")
    TSubclassOf<UDamageNumberWidget> DamageNumberWidgetClass;
 
    UPROPERTY(BlueprintReadWrite, Category = "DamageText", meta = (BindWidget))
    TObjectPtr<UWrapBox> DamageTextureContainer;
 
    UPROPERTY(Transient)
    TArray<TObjectPtr<UDamageNumberWidget>> CachedDamageNumberWidgets;
 
protected:
    int32 FinishedDamageNumberWidgetCount = 0;
};