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#lockdown Nick.Penwarden #rb none ========================== MAJOR FEATURES + CHANGES ========================== Change 3209340 on 2016/11/23 by Ben.Marsh Convert UE4 codebase to an "include what you use" model - where every header just includes the dependencies it needs, rather than every source file including large monolithic headers like Engine.h and UnrealEd.h. Measured full rebuild times around 2x faster using XGE on Windows, and improvements of 25% or more for incremental builds and full rebuilds on most other platforms. * Every header now includes everything it needs to compile. * There's a CoreMinimal.h header that gets you a set of ubiquitous types from Core (eg. FString, FName, TArray, FVector, etc...). Most headers now include this first. * There's a CoreTypes.h header that sets up primitive UE4 types and build macros (int32, PLATFORM_WIN64, etc...). All headers in Core include this first, as does CoreMinimal.h. * Every .cpp file includes its matching .h file first. * This helps validate that each header is including everything it needs to compile. * No engine code includes a monolithic header such as Engine.h or UnrealEd.h any more. * You will get a warning if you try to include one of these from the engine. They still exist for compatibility with game projects and do not produce warnings when included there. * There have only been minor changes to our internal games down to accommodate these changes. The intent is for this to be as seamless as possible. * No engine code explicitly includes a precompiled header any more. * We still use PCHs, but they're force-included on the compiler command line by UnrealBuildTool instead. This lets us tune what they contain without breaking any existing include dependencies. * PCHs are generated by a tool to get a statistical amount of coverage for the source files using it, and I've seeded the new shared PCHs to contain any header included by > 15% of source files. Tool used to generate this transform is at Engine\Source\Programs\IncludeTool. [CL 3209342 by Ben Marsh in Main branch]
146 lines
4.6 KiB
C++
146 lines
4.6 KiB
C++
// Copyright 1998-2016 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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class ISourceControlRevision;
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class ISourceControlState;
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typedef TSharedRef<class ISourceControlState, ESPMode::ThreadSafe> FSourceControlStateRef;
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typedef TSharedPtr<class ISourceControlState, ESPMode::ThreadSafe> FSourceControlStatePtr;
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/**
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* An abstraction of the state of a file under source control
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*/
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class ISourceControlState : public TSharedFromThis<ISourceControlState, ESPMode::ThreadSafe>
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{
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public:
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enum { INVALID_REVISION = -1 };
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/**
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* Virtual destructor
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*/
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virtual ~ISourceControlState() {}
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/**
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* Get the size of the history.
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* If an FUpdateStatus operation has been called with the ShouldUpdateHistory() set, there
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* should be history present if the file has been committed to source control.
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* @returns the number of items in the history
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*/
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virtual int32 GetHistorySize() const = 0;
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/**
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* Get an item from the history
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* @param HistoryIndex the index of the history item
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* @returns a history item or NULL if none exist
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*/
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virtual TSharedPtr<class ISourceControlRevision, ESPMode::ThreadSafe> GetHistoryItem( int32 HistoryIndex ) const = 0;
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/**
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* Find an item from the history with the specified revision number.
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* @param RevisionNumber the revision number to look for
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* @returns a history item or NULL if the item could not be found
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*/
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virtual TSharedPtr<class ISourceControlRevision, ESPMode::ThreadSafe> FindHistoryRevision( int32 RevisionNumber ) const = 0;
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/**
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* Find an item from the history with the specified revision.
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* @param InRevision the revision identifier to look for
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* @returns a history item or NULL if the item could not be found
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*/
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virtual TSharedPtr<class ISourceControlRevision, ESPMode::ThreadSafe> FindHistoryRevision( const FString& InRevision ) const = 0;
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/**
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* Get the revision that we should use as a base when performing a three wage merge, does not refresh source control state
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* @returns a revision identifier or NULL if none exist
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*/
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virtual TSharedPtr<class ISourceControlRevision, ESPMode::ThreadSafe> GetBaseRevForMerge() const = 0;
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/**
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* Get the name of the icon graphic we should use to display the state in a UI.
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* @returns the name of the icon to display
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*/
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virtual FName GetIconName() const = 0;
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/**
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* Get the name of the small icon graphic we should use to display the state in a UI.
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* @returns the name of the icon to display
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*/
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virtual FName GetSmallIconName() const = 0;
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/**
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* Get a text representation of the state
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* @returns the text to display for this state
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*/
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virtual FText GetDisplayName() const = 0;
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/**
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* Get a tooltip to describe this state
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* @returns the text to display for this states tooltip
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*/
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virtual FText GetDisplayTooltip() const = 0;
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/**
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* Get the local filename that this state represents
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* @returns the filename
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*/
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virtual const FString& GetFilename() const = 0;
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/**
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* Get the timestamp of the last update that was made to this state.
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* @returns the timestamp of the last update
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*/
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virtual const FDateTime& GetTimeStamp() const = 0;
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/** Get whether this file can be checked in. */
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virtual bool CanCheckIn() const = 0;
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/** Get whether this file can be checked out */
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virtual bool CanCheckout() const = 0;
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/** Get whether this file is checked out */
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virtual bool IsCheckedOut() const = 0;
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/** Get whether this file is checked out by someone else */
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virtual bool IsCheckedOutOther(FString* Who = NULL) const = 0;
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/** Get whether this file is up-to-date with the version in source control */
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virtual bool IsCurrent() const = 0;
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/** Get whether this file is under source control */
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virtual bool IsSourceControlled() const = 0;
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/** Get whether this file is marked for add */
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virtual bool IsAdded() const = 0;
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/** Get whether this file is marked for delete */
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virtual bool IsDeleted() const = 0;
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/** Get whether this file is ignored by source control */
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virtual bool IsIgnored() const = 0;
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/** Get whether source control allows this file to be edited */
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virtual bool CanEdit() const = 0;
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/** Get whether source control allows this file to be deleted. */
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virtual bool CanDelete() const = 0;
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/** Get whether we know anything about this files source control state */
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virtual bool IsUnknown() const = 0;
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/** Get whether this file is modified compared to the version we have from source control */
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virtual bool IsModified() const = 0;
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/**
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* Get whether this file can be added to source control (i.e. is part of the directory
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* structure currently under source control)
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*/
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virtual bool CanAdd() const = 0;
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/** Get whether this file is in a conflicted state */
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virtual bool IsConflicted() const = 0;
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};
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