ActorInstanceManagerInterface.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "UObject/Interface.h"
#include "Chaos/Transform.h"
#include "ActorInstanceManagerInterface.generated.h"
 
 
class ULevel;
class UClass;
class AActor;
class UPrimitiveComponent;
struct FActorInstanceHandle;
 
UINTERFACE(MinimalAPI)
class UActorInstanceManagerInterface : public UInterface
{
    GENERATED_BODY()
};
 
class IActorInstanceManagerInterface
{
    GENERATED_BODY()
 
public:
    // Returns the index used internally by the actor instance manager that is associated with the instance 
    // referred to by InIndex used by collision and rendering
    virtual int32 ConvertCollisionIndexToInstanceIndex(int32 InIndex, const UPrimitiveComponent* RelevantComponent) const = 0;
 
    // Returns the actor associated with Handle if one exists
    virtual AActor* FindActor(const FActorInstanceHandle& Handle) = 0;
 
    // Returns the actor associated with Handle. If one does not exist the system is expected to spawn one instantly. 
    virtual AActor* FindOrCreateActor(const FActorInstanceHandle& Handle) = 0;
 
    // Returns the specific class InstanceIndex represents
    virtual UClass* GetRepresentedClass(int32 InstanceIndex) const = 0;
 
    // Returns the ULevel given instance is represented in. Potentially null if InstanceIndex doesn't correspond to an actor
    virtual ULevel* GetLevelForInstance(int32 InstanceIndex) const = 0;
 
    // Returns the transform of the instance specified by Handle
    virtual FTransform GetTransform(const FActorInstanceHandle& Handle) const = 0;
};