ThreadCheckedData.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreGlobals.h"
#include "ChaosCheck.h"
 
namespace Chaos
{
    template <typename T, typename CheckT>
    class TThreadCheckedData
    {
    public:
 
        template <typename... ArgTs>
        TThreadCheckedData(ArgTs... Args) : Data(Args...) { }
 
        ~TThreadCheckedData() { }
 
        const T& Get() const
        {
            CheckT::CheckRead();
            return Data;
        }
 
        T& Get()
        {
            CheckT::CheckReadWrite();
            return Data;
        }
 
        T* operator->()
        {
            CheckT::CheckRead();
            return &Data;
        }
 
        const T* operator->() const
        {
            CheckT::CheckRead();
            return &Data;
        }
 
    private:
 
        T Data;
    };
 
    struct FCheckGameplayThread
    {
        static inline void CheckRead()
        {
            CHAOS_CHECK(IsInGameThread());
        }
 
        static inline void CheckReadWrite()
        {
            CHAOS_CHECK(IsInGameThread());
        }
    };
 
    struct FCheckPhysicsThread
    {
        static inline void CheckRead()
        {
            CheckReadWrite();
        }
 
        static inline void CheckReadWrite()
        {
            // TODO: Find a way to check that this code is being executed in
            // the correct physics thread. This may depend on the threading model.
        }
    };
 
    
    template <typename T>
    using TDataGT = TThreadCheckedData<T, FCheckGameplayThread>;
 
    template <typename T>
    using TDataPT = TThreadCheckedData<T, FCheckPhysicsThread>;
}