MovieSceneSequenceInstanceHandle.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "EntitySystem/MovieSceneComponentDebug.h"
 
namespace UE
{
namespace MovieScene
{
 
struct FInstanceHandle
{
    uint16 InstanceID;
    uint16 InstanceSerial;
 
    FInstanceHandle()
        : InstanceID(uint16(-1))
        , InstanceSerial(0)
    {}
 
    FInstanceHandle(uint16 InInstanceID, uint16 InInstanceSerial)
        : InstanceID(InInstanceID)
        , InstanceSerial(InInstanceSerial)
    {}
 
    bool IsValid() const
    {
        return InstanceID != uint16(-1);
    }
 
    friend bool operator==(FInstanceHandle A, FInstanceHandle B)
    {
        return A.InstanceID == B.InstanceID && A.InstanceSerial == B.InstanceSerial;
    }
    friend bool operator!=(FInstanceHandle A, FInstanceHandle B)
    {
        return !(A == B);
    }
    friend bool operator<(FInstanceHandle A, FInstanceHandle B)
    {
        return A.InstanceID < B.InstanceID;
    }
    friend uint32 GetTypeHash(FInstanceHandle In)
    {
        return uint32(In.InstanceID) | (uint32(In.InstanceSerial) >> 16);
    }
};
 
struct FRootInstanceHandle : FInstanceHandle
{
    FRootInstanceHandle()
    {}
 
    FRootInstanceHandle(uint16 InInstanceID, uint16 InInstanceSerial)
        : FInstanceHandle(InInstanceID, InInstanceSerial)
    {}
};
 
 
} // namespace MovieScene
} // namespace UE