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#change Moved hot-reload-only code from FBlueprintCompileReinstancer to FHotReloadClassReinstancer #change It's not possible to derive classes from FBlueprintCompileReinstancer #change Added code to handle re-creating CDOs after hot-reload even if the class hasn't changed. [CL 2300696 by Robert Manuszewski in Main branch]
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#if WITH_ENGINE
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#include "Editor/UnrealEd/Public/Kismet2/KismetReinstanceUtilities.h"
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/**
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* Helper class used for re-instancing native and blueprint classes after hot-reload
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*/
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class FHotReloadClassReinstancer : public FBlueprintCompileReinstancer
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{
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/** True if the provided native class needs re-instancing */
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bool bNeedsReinstancing;
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/**
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* Sets the re-instancer up for new class re-instancing
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*
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* @param InNewClass Class that has changed after hot-reload
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* @param InOldClass Class before it was hot-reloaded
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*/
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void SetupNewClassReinstancing(UClass* InNewClass, UClass* InOldClass);
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/**
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* Sets the re-instancer up for old class re-instancing. Always re-creates the CDO.
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*
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* @param InOldClass Class that has NOT changed after hot-reload
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*/
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void RecreateCDOAndSetupOldClassReinstancing(UClass* InOldClass);
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/**
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* Creates a mem-comparable array of data containing CDO property values.
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*
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* @param InObject CDO
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* @param OutData Data containing all of the CDO property values
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*/
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void SerializeCDOProperties(UObject* InObject, TArray<uint8>& OutData);
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/**
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* Re-creates class default object
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*
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* @param InOldClass Class that has NOT changed after hot-reload
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*/
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void ReconstructClassDefaultObject(UClass* InOldClass);
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public:
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/** Sets the re-instancer up to re-instance native classes */
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FHotReloadClassReinstancer(UClass* InNewClass, UClass* InOldClass);
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/** Destructor */
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virtual ~FHotReloadClassReinstancer();
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/** If true, the class needs re-instancing */
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FORCEINLINE bool ClassNeedsReinstancing() const
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{
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return bNeedsReinstancing;
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}
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};
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#endif // WITH_ENGINE
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