FlowDefinitionBase.h

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// Fill out your copyright notice in the Description page of Project Settings.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Object.h"
#include "FlowDefinitionBase.generated.h"
 
 
UCLASS(Abstract, Blueprintable, BlueprintType, EditInlineNew, DefaultToInstanced)
class CK_UE_API UFlowDefinitionBase : public UObject
{
    GENERATED_BODY()
 
public:
    UFUNCTION(BlueprintCallable, Category = "Flow")
    bool StartFlow(UObject* InFlowOwner);
 
    UFUNCTION(BlueprintCallable, Category = "Flow")
    void FinishFlow();
 
    UFUNCTION(BlueprintCallable, Category = "Flow")
    void ResetFlow();
 
    UFUNCTION(BlueprintPure, Category = "Flow")
    FORCEINLINE bool IsRunning() const
    {
        return bIsRunning;
    }
 
    UFUNCTION(BlueprintPure, Category = "Flow")
    FORCEINLINE UObject* GetFlowOwner() const
    {
        return FlowOwner.Get();
    }
 
protected:
    UFUNCTION(BlueprintCallable, Category = "Flow", meta = (BlueprintProtected = "true"))
    void StopFlow();
 
    virtual void HandleFlowStarted(UObject* InFlowOwner) { }
    virtual void HandleFlowFinished() { }
    virtual void HandleFlowReset() { }
 
    UFUNCTION(BlueprintImplementableEvent, Category = "Flow", meta = (DisplayName = "On Flow Started"))
    void ReceiveFlowStarted(UObject* InFlowOwner);
 
    UFUNCTION(BlueprintImplementableEvent, Category = "Flow", meta = (DisplayName = "On Flow Finished"))
    void ReceiveFlowFinished();
 
    UFUNCTION(BlueprintImplementableEvent, Category = "Flow", meta = (DisplayName = "On Flow Reset"))
    void ReceiveFlowReset();
 
private:
    UPROPERTY(Transient)
    TWeakObjectPtr<UObject> FlowOwner;
 
    UPROPERTY(Transient)
    bool bIsRunning = false;
};