ShadowStateManager.h

//  
// Copyright (c) 2023 articy Software GmbH & Co. KG. All rights reserved.  
//
 
#pragma once
 
#include "UObject/Interface.h"
#include "ShadowStateManager.generated.h"
 
// This class does not need to be modified.
UINTERFACE(MinimalAPI)
class UShadowStateManager : public UInterface
{
    GENERATED_BODY()
};

class IShadowStateManager
{
    GENERATED_BODY()
 
    // Add interface functions to this class. This is the class that will be inherited to implement this interface.
public:
    
    DECLARE_MULTICAST_DELEGATE(FOnPopState)
 
    template<typename LambdaType>
    FDelegateHandle RegisterOnPopState(LambdaType Lambda);
    void UnregisterOnPopState(FDelegateHandle Delegate);
 
    uint32 GetShadowLevel() const { return ShadowLevel; }
 
private:

    uint32 ShadowLevel = 0;

    TArray<FOnPopState> OnPopStateDelegates;
 
    friend class UArticyFlowPlayer;
 
    void PushState(uint32 NewShadowLevel);
    void PopState(uint32 CurrShadowLevel);
};
 
template <typename LambdaType>
FDelegateHandle IShadowStateManager::RegisterOnPopState(LambdaType Lambda)
{
    return OnPopStateDelegates.Last().AddLambda(Lambda);
}