103 lines
4.5 KiB
C
103 lines
4.5 KiB
C
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/UObjectAnnotation.h"
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#include "Commandlets/Commandlet.h"
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#include "DiffPackagesCommandlet.generated.h"
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/**
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* The different types of comparison differences that can exist between packages.
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*/
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enum EObjectDiff
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{
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/** no difference */
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OD_None,
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/** the object exist in the first package only */
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OD_AOnly,
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/** the object exists in the second package only */
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OD_BOnly,
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/** (three-way merges) the value has been changed from the ancestor package, but the new value is identical in the two packages being compared */
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OD_ABSame,
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/** @todo */
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OD_ABConflict,
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/** @todo */
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OD_Invalid,
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};
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UCLASS(deprecated)
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class UDEPRECATED_DiffPackagesCommandlet: public UCommandlet // No longer maintained; use DiffAssetCommandlet instead
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{
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GENERATED_UCLASS_BODY()
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UPROPERTY()
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UPackage* Packages[3];
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bool bDiffNonEditProps;
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bool bDiffAllProps;
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FString PackageFilenames[3];
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int32 NumPackages;
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/** Handled annotation to track which objects we have dealt with **/
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class FUObjectAnnotationSparseBool HandledAnnotation;
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/**
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* Parses the command-line and loads the packages being compared.
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*
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* @param Parms the full command-line used to invoke this commandlet
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*
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* @return true if all parameters were parsed successfully; false if any of the specified packages couldn't be loaded
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* or the parameters were otherwise invalid.
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*/
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bool Initialize(const TCHAR* Parms);
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/**
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* Generates object graphs for the specified object and its corresponding objects in all packages being diffed.
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*
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* @param RootObject the object to generate the object comparison for
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* @param out_Comparison the object graphs for the specified object for each package being diffed
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* @param ObjectsToIgnore if specified, this list will be passed to the FObjectGraphs created for this comparison; this will prevent those object graphs from containing
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* these objects. Useful when generating an object comparison for package-root type objects, such as levels, worlds, etc. to prevent their comparison's
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* object graphs from containing all objects in the level/world
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*
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* @return true if RootObject was found in any of the packages being compared.
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*/
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bool GenerateObjectComparison(UObject* RootObject, struct FObjectComparison& out_Comparison, TArray<struct FObjectComparison>* ObjectsToIgnore = NULL);
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// @todo document
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bool ProcessDiff(struct FObjectComparison& Diff);
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EObjectDiff DiffObjects(UObject* ObjA, UObject* ObjB, UObject* ObjAncestor, struct FObjectComparison& PropDiffs);
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/**
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* Compares the natively serialized property values for the specified objects by comparing the non-script serialized portion of each object's data as it
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* is on disk. If a different is detected, gives each object the chance to generate a textual representation of its natively serialized property values
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* that will be displayed to the user in the final comparison report.
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*
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* @param ObjA the object from the first package being compared. Can be NULL if both ObjB and ObjAncestor are valid, which indicates that this object
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* doesn't exist in the first package.
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* @param ObjB the object from the second package being compared. Can be NULL if both ObjA and ObjAncestor are valid, which indicates that this object
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* doesn't exist in the second package.
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* @param ObjAncestor the object from the optional common base package. Can only be NULL if both ObjA and ObjB are valid, which indicates that this is either
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* a two-way comparison (if NumPackages == 2) or the object was added to both packages (if NumPackages == 3)
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* @param PropertyValueComparisons contains the results for all property values that were different so far; for any native property values which are determined
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* to be different, new entries will be added to the ObjectComparison's list of PropDiffs.
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*
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* @return The cumulative comparison result type for a comparison of all natively serialized property values.
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*
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*/
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EObjectDiff CompareNativePropertyValues(UObject* ObjA, UObject* ObjB, UObject* ObjAncestor, struct FObjectComparison& PropertyValueComparisons);
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//~ Begin UCommandlet Interface
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virtual int32 Main(const FString& Params) override;
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//~ End UCommandlet Interface
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};
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