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641996aaa91dbc19c40146db011072208125deaa
UnrealEngineUWP/Engine/Source/Developer/AssetTools/Private/AssetTools.cpp
Matt Kuhlenschmidt b7723933a6 Copying //UE4/Dev-Editor to //UE4/Dev-Main (Source: //UE4/Dev-Editor @ 3279756) 
#lockdown Nick.Penwarden
#rb none

==========================
MAJOR FEATURES + CHANGES
==========================

Change 3229490 on 2016/12/09 by Cody.Albert

	Integrated fix to support named changelists in SVN

Change 3229574 on 2016/12/09 by Simon.Tourangeau

	Fix actor mobility getting changed on scene reimport

	#jira UE-39102

Change 3229692 on 2016/12/09 by Cody.Albert

	Fixing an XML Parser assert when parsing a root tag that completes on the same line.

	#jira UE-30393

Change 3230582 on 2016/12/12 by Matt.Kuhlenschmidt

	PR #3024: Correct the outdated error message instructions for how to fix being unable to launch on an iOS device. (Contributed by CleanCut)

Change 3231470 on 2016/12/12 by Matt.Kuhlenschmidt

	Eliminate editor sounds that play when  you PIE, simulate or possess the player.  They get in the way of game sounds, are annoying to hear when you are constantly starting and stopping pie, and flush async loading that the game might be doing when they load.

Change 3231475 on 2016/12/12 by Alex.Delesky

	#jira UE-39023 - Using the High Resolution screenshot tool with the "custom depth as mask" option checked should no longer crash the editor or a PIE viewport when the screen percentage is not set to 100.

Change 3231476 on 2016/12/12 by Alex.Delesky

	#jira UE-39380 - Thumbnails for static meshes in the foliage paint mode window should now update to show the correct mesh if the thumbnail pool has been exhausted. This also increases the number of foliage thumbnals that can exist onscreen at once.

Change 3231477 on 2016/12/12 by Alex.Delesky

	#jira none - Extending the IPluginWizardDefinition interface to allow it to return the descriptor type of the plugin. This fixes a merge conflict from Odin where the new plugin wizard was modified to allow for multiple template selection.

Change 3231479 on 2016/12/12 by Alex.Delesky

	#jira UE-39376 - Changing the number of players or changing the dedicated server options in PIE settings should now always persist on editor shutdown.

Change 3231480 on 2016/12/12 by Alex.Delesky

	#jira UE-39417 - A texture will now match to update a dropped in file if the source path differs from that of the dropped in file

Change 3231508 on 2016/12/12 by Alex.Delesky

	Removing todo comment

	#jira none

Change 3231603 on 2016/12/12 by Matt.Kuhlenschmidt

	Exposed a 0-1 UV set and the scaled pixel size for Box and Border brushes
	Also added a material function that exposes all of the current UV sets with nice names instead of indexed coordinates

Change 3231618 on 2016/12/12 by Alex.Delesky

	#jira UE-38732 - When editing a spin box with a delta value, committing the value with the Enter key and then clearing the focus from the spin box will no longer change the internal value to match the snapped value.

Change 3231638 on 2016/12/12 by Matt.Kuhlenschmidt

	Add RF_Transactional to the list of default flags for creating or importing new assets.  All should be transactional by default

Change 3231642 on 2016/12/12 by Matt.Kuhlenschmidt

	Brighten up the output log by default

Change 3231648 on 2016/12/12 by Alex.Delesky

	#jira UE-38033 - Selecting a Named Slot that's part of a widget in a Widget Switcher will now show that widget instead of the widget at index 0. This also applies to any content set inside the named slot.

Change 3231666 on 2016/12/12 by Alex.Delesky

	#jira UE-38952 - Widgets that have been copied and pasted into the same hierarchy will now retain the same name in the hierarchy. This does not fix widgets that have been previously copied and pasted from other widgets, nor copies of those widgets.

Change 3231674 on 2016/12/12 by Alex.Delesky

	#jira UE-37106 - When using or simulating touch for Widget Components, the hover/clicked state will now be accurately determined rather than showing hover on initial touch.

Change 3231745 on 2016/12/12 by Alex.Delesky

	Back out changelist 3231477 to fix build error C2259

Change 3232417 on 2016/12/13 by Simon.Tourangeau

	Add the following attributes to the Editor.Usage.FBX.Import EngineAnalytics event
	- FBX Version
	- Filename Hash
	- Import Type

	#jira UE-37453

Change 3232477 on 2016/12/13 by Michael.Dupuis

	#jira UE-39675 : There was an issue when the Neutral Value == the Min or Max value, so we simply prevent using the concept of neutral value if min or max == neutral as it mean you only want a log on one side.

Change 3232571 on 2016/12/13 by Alex.Delesky

	Back out changelist 3231745

	#jira none - Extending the IPluginWizardDefinition interface to allow it to return the descriptor type of the plugin. This fixes a merge conflict from Odin where the new plugin wizard was modified to allow for multiple template selection.

Change 3232675 on 2016/12/13 by Alexis.Matte

	Fix a crash when reordering material with a fbx containing unused materials, add a fbx automation test to prevent similar issue.
	#jira UE-39692

Change 3232975 on 2016/12/13 by Alex.Delesky

	Fix to build error C2259 for the IPluginWizardDefinition API change.

Change 3233146 on 2016/12/13 by Michael.Dupuis

	#jira UE-38766 : Added eye dropper to select flatten height
	Fixed a rounding errors resulting in not flattening to the specified height
	Fixed a rounding error resulting in LandscapeDataAccess::GetTexHeight not always returning the appropriate value

Change 3233153 on 2016/12/13 by Alexis.Matte

	We cannot anymore change the instance override materials array topology, the topology is limited by the mesh materials array
	#jira UE-38827

Change 3234406 on 2016/12/14 by Matt.Kuhlenschmidt

	Fix window handle and device context being accessed by scene viewports after the underlying window has been destroyed by the OS.  This is an invalid state on linux and using some vr devices.

	#jira UE-7388

Change 3234485 on 2016/12/14 by Michael.Dupuis

	tentative build fix for Mac

Change 3234495 on 2016/12/14 by Matt.Kuhlenschmidt

	Made a setting to control if PIE enter and exit sounds are played.  Off by default

Change 3236709 on 2016/12/15 by Simon.Tourangeau

	Fix camera export rotation offset

	#jira UE-34692
	#jira UE-39740

Change 3236782 on 2016/12/15 by Jamie.Dale

	Fixed EmitTermExpr failing to use the correct package ID

	FBPTerminal::Source used to be set to the pin, however when pins were moved away from being UObjects, FBPTerminal::SourcePin was added and FBPTerminal::Source is typically null.

Change 3236853 on 2016/12/15 by Alexis.Matte

	Fix the serialization of the staticmesh property FMeshSectionInfoMap

Change 3236890 on 2016/12/15 by Matt.Kuhlenschmidt

	Remove old define

Change 3239328 on 2016/12/18 by Richard.TalbotWatkin

	Fixed Focus Viewport action in Static Mesh Viewport. Problem was that the conversion to Orbit Camera for storing the camera position was trashing the desired position during cvamera transitions.  Orbit camera position is now only stored at the end of a transition.
	#jira UE-39825 - Key "F" for Focus acts Sporadically in the Static Mesh Editor Viewport

Change 3239660 on 2016/12/19 by Alex.Delesky

	#jira UE-38968, UE-36826 - Components attached to actors can now be directly scaled to negative values using the transform gizmo for that component.

Change 3239662 on 2016/12/19 by Alex.Delesky

	#jira UE-39007 - The data table row editor now contains a Reset to Default control.

Change 3239663 on 2016/12/19 by Alex.Delesky

	#jira UE-39698 - Importing CSV files will now show the name of the file in the import dialog.

Change 3240696 on 2016/12/20 by Michael.Dupuis

	#jira UETOOL-1009:
	Added paddiing to columns view
	Added auto resize of column when double clicking on splitter handle in the header
	Remove right number alignment after discussion with Matt K.

Change 3240758 on 2016/12/20 by Michael.Dupuis

	added missing non abstract implementation

Change 3240782 on 2016/12/20 by Michael.Dupuis

	Added missing documentation for content browser column auto resizing

Change 3240817 on 2016/12/20 by Alex.Delesky

	#jira UE-38940 - Copying a Material-Custom node with a tab character should now correctly render the tab.

Change 3240834 on 2016/12/20 by Michael.Dupuis

	tentative fix for build error

Change 3240984 on 2016/12/20 by Michael.Dupuis

	Removed unnecessary functions

Change 3241174 on 2016/12/20 by Matt.Kuhlenschmidt

	Fix compile errors

Change 3241966 on 2016/12/21 by Chris.Wood

	Fixed Typo and changed execution order in "ComboBoxString" Component
	[UE-38994] - GitHub 2971 : Fixed Typo and changed execution order in "ComboBoxString" Component

	PR #2971: Fixed Typo and changed execution order in "ComboBoxString" Component (Contributed by eXifreXi)
	#github https://github.com/EpicGames/UnrealEngine/pull/2971

Change 3242126 on 2016/12/21 by Alexis.Matte

	Back out changelist 3236853
	We have to back out this change list because the change was implement in the 4.15 release branch and the EditorObjectVersion.h change is now implement in the ReleaseObjectVersion.h.

Change 3244492 on 2017/01/02 by Jamie.Dale

	Improved error message

Change 3244545 on 2017/01/02 by Nick.Darnell

	Navigation - Making it so we don't attempt to load HotReload during shutdown, we only access it if it's still loaded.

Change 3244549 on 2017/01/02 by Nick.Darnell

	Slate - Implementing custom hardware cursor loading across Windows, Mac and Linux and supports loading cursors from PAK files.  All platforms support loading PNGs through the FHardwareCursor interface.  Some platforms support additional formats, for multiresolution support, but there's a naming convention that can be used on PNGs for the same capability.  All of it is documented in the FHardwareCursor header.  The platform layer for ICursor, now has support for replacing cursor shapes as an override, and can be reset safely.

	The FHardwareCursor supports loading cursors from raw pixel buffers as well, the plan is to allow for the option to UTextures to also be used for hardware cursors.

	Now users through C++ can load and replace the hardware cursors with custom ones of their own,

	e.g. FSlateApplication::Get().RegisterCursor(EMouseCursor::Default, MakeShareable(new FHardwareCursor(FPaths::GameContentDir() / "Slate/FancyPointer", FIntPoint(0,0))));

	The next step is to expose a game friendly layer that supports caching cursors, and letting users change them out by name, without a bunch of destruction of OS resources.

Change 3244845 on 2017/01/03 by Jamie.Dale

	Fixing typo

	#jira UE-39920

Change 3244903 on 2017/01/03 by Jamie.Dale

	PR #3044: fix link error when FAssetData::PrintAssetData() is used in project (Contributed by kayama-shift)

Change 3245125 on 2017/01/03 by Alexis.Matte

	Put back the dev-editor version because there was some data create before we back it out

Change 3246106 on 2017/01/04 by Chris.Wood

	Removed broken CrashReportReciever pre-upload phase from CrashReportClient.
	[UE-40153] - CrashReportClient fails when used in legacy mode with a CrashReportReciever

Change 3246251 on 2017/01/04 by Alex.Delesky

	#jira UE-39869 - Moving an asset before saving it and then hitting Save All from the file menu will no longer save the asset in its original location.

Change 3246252 on 2017/01/04 by Alex.Delesky

	#jira UE-39793 - Fixes an issue with the AutoReimporter where specifying a non-existent mount point (a directory in the content browser) would cause a crash when attempting to auto-import an asset from a monitored directory, as well as ensuring that valid mount points will be able to create new assets from auto-import.

	The "Map Directory To" field when setting directories to monitor for auto-reimport has also been changed to use the content browser path picker instead of relying on the user to manually enter a mount point.

Change 3247620 on 2017/01/05 by Nick.Darnell

	Automation - Removing an adjustment to the number of shots we take for high res shots.

Change 3247621 on 2017/01/05 by Nick.Darnell

	Automation - Adding a few more rendering tests to the cornell box.

Change 3247629 on 2017/01/05 by Nick.Darnell

	Automation - Improving the comparison row display for screenshots so it's obvious what each image represents.

Change 3248811 on 2017/01/05 by Matt.Kuhlenschmidt

	PR #3091: Removed unnecessary UPackage casts (Contributed by projectgheist)

Change 3248860 on 2017/01/06 by Matt.Kuhlenschmidt

	Made the plugin browser select the "built in" category by default instead of the 2D category.  There is no reason for a sub-category to be selected first as it makes searching for plugins globally an extra click because you have to click on the base category first

Change 3249264 on 2017/01/06 by Matt.Kuhlenschmidt

	Fixed automation test warnings

	#jira UE-40198

Change 3249481 on 2017/01/06 by Michael.Dupuis

	#jira UE-37875 : Fill empty layers of components on assignation or creation
	Also fill new component added with the tool from neighbours predominance

Change 3249505 on 2017/01/06 by Matt.Kuhlenschmidt

	PR #3093: Include guard cleanup (Contributed by projectgheist)

Change 3249544 on 2017/01/06 by Michael.Dupuis

	#jira UE-40299: validate if UISettings is valid

Change 3250738 on 2017/01/09 by Nick.Darnell

	UMG - The WIC now checks if the Widget is enabled before it claims that it's over an interactable or keyboard focusable widget.

	#jira UE-39845

Change 3250865 on 2017/01/09 by Nick.Darnell

	Slate - Updating EAutoCenter and ESizingRule to use the newer enum class style enums.

Change 3250867 on 2017/01/09 by Nick.Darnell

	Slate - Adding more logging to the hardware cursor code so that it reports more information when it doesn't find an exact match when it comes to cursor size.

Change 3250936 on 2017/01/09 by Nick.Darnell

	Automation - Refactoring the screenshot comparison tool to no longer require one one generated report.  Doing screenshot comparions now generates individual reports for each failed comparison so that they can be evaluated in bits, and as changes occur as the user reviews aspects, we can remove the reports.  There is now async image loading for the comparison view so that it doesn't hitch.

Change 3250937 on 2017/01/09 by Nick.Darnell

	Automation - Adding another example to the CornellBox test.

Change 3250958 on 2017/01/09 by Nick.Darnell

	Slate - Fixing some other cases where people were referring to ESizingRule::Type.

Change 3251162 on 2017/01/09 by Nick.Darnell

	Slate - Fixing some other cases where people were referring to ESizingRule::Type.

Change 3251254 on 2017/01/09 by Matt.Kuhlenschmidt

	Attempt to fix static analysis warnings

Change 3251373 on 2017/01/09 by Nick.Darnell

	Core - Now writing a log warning instead of ensuring if calling LoadModule wouldn't have been safe to do here, depending on load order.

Change 3251525 on 2017/01/09 by Nick.Darnell

	Automation - Fixing a build issue in ImageComparer.

Change 3252321 on 2017/01/10 by Alex.Delesky

	#jira UE-40164 - Importing multiple files to overwrite existing assets such as sounds will now correctly persist the "Yes to All" / "No to All" dialog selections.

Change 3252354 on 2017/01/10 by Nick.Darnell

	Image Compare - Fixing a potential threading hazard in the image comparer.

Change 3252356 on 2017/01/10 by Nick.Darnell

	Automation - The screenshot metadata now captures the commit/CL that the screenshot was taken at and records it in the metadata.

Change 3252601 on 2017/01/10 by Alexis.Matte

	Fbx automation test, reload feature implementation

Change 3252761 on 2017/01/10 by Jamie.Dale

	Fixing some IWYU errors with PCH disabled

Change 3252765 on 2017/01/10 by Jamie.Dale

	Fixing some static analysis warnings

Change 3252793 on 2017/01/10 by Jamie.Dale

	Fixing FText natvis

	The text data visualizers have to be defined before the text visualizer

Change 3253987 on 2017/01/11 by Matt.Kuhlenschmidt

	PR #3108: Git Plugin: use asynchronous "MarkForAdd" and "CheckIn" operations for the initial commit (Contributed by SRombauts)

Change 3254378 on 2017/01/11 by Matt.Kuhlenschmidt

	Refactor scene importing to allow for plugins to make scene importers

Change 3254679 on 2017/01/11 by Matt.Kuhlenschmidt

	Fix calling LoadModule in perforce source control off the main thread

Change 3256472 on 2017/01/12 by Jamie.Dale

	Improved error reporting from IncludeTool

	- The error reporting was using zero-based line indices which was misleading.
	- The error reporting now includes the offending line to remove ambiguity.

Change 3256725 on 2017/01/13 by Jamie.Dale

	IncludeTool can now parse typedef in Fwd headers

Change 3256758 on 2017/01/13 by Jamie.Dale

	Added support for String Tables

	String Tables provide a way to centralize your localized text into one (or several) known locations, and then reference the entries within a string table from other assets or code in a robust way that allows for easy re-use of localized text.

	String Tables can be defined in C++ (using the LOCTABLE family of macros), loaded via CSV file, or created as an asset. They can be referenced in C++ using either the LOCTABLE macro, or the static FText::FromStringTable function. INI files can reference them using the LOCTABLE macro syntax, and FText properties in assets can reference them via the advanced settings combo.

Change 3257018 on 2017/01/13 by Alexis.Matte

	FbxAutomationTest fix the import reload operation, it was calling garbagecollect with no keep flag

Change 3257168 on 2017/01/13 by Jamie.Dale

	Removed code that was writing null into bytecode during save

Change 3257344 on 2017/01/13 by Jamie.Dale

	Backing out changelist 3256725, and excluding my header from the scan instead

Change 3257426 on 2017/01/13 by Nick.Darnell

	Slate - Adding the ability to invert alpha when drawing slate textures.  Going to be used in the future for rendering render targets for the scene which have inverted alpha.

Change 3257572 on 2017/01/13 by Nick.Darnell

	Slate - Fixing a build error.

Change 3257970 on 2017/01/14 by Jamie.Dale

	Fixing exclude path

Change 3258458 on 2017/01/16 by Matt.Kuhlenschmidt

	PR #3135: GameViewportClient: FOnCloseRequested is now a multicast delegate (Contributed by Nadrin)

Change 3258472 on 2017/01/16 by Matt.Kuhlenschmidt

	PR #3126: Fix to load editor style assets (Contributed by projectgheist)

Change 3258473 on 2017/01/16 by Matt.Kuhlenschmidt

	PR #3124: Fix wrong result with Image-DrawAsBox with PaperSprite. (Contributed by valval88)

Change 3258539 on 2017/01/16 by Nick.Darnell

	Slate - Pixel Snapping has been moved to the GPU for the RHI rendering policy.  Additionally, widgets with a render transform of Scale, Rotation or Sheer, and their children are no longer pixel snapped, this should reduce some of jittering seen by users when animations are applied to widgets.  NOTE: This only affects render transforms, any transform in layout space is still subject to pixel snapping.

Change 3258607 on 2017/01/16 by Nick.Darnell

	Fixing the mac build.

Change 3258661 on 2017/01/16 by Matt.Kuhlenschmidt

	Actors with experimental components no longer say
	"Uses experimental class: Actor" when selecting the actor root in the details panel

	#jira UE-40535

Change 3258678 on 2017/01/16 by Nick.Darnell

	Platform - Introducing a way to get the mimetype for a file on Windows.  Other platforms don't yet have an implementation outside of returning application/unknown.

Change 3258924 on 2017/01/16 by Nick.Darnell

	Platform - Implementing a fallback for the generic platform http, that can do some basic mimetype lookups.

Change 3258929 on 2017/01/16 by Nick.Darnell

	UMG - Fixing the animation to finish the evaluation before it notifies that the animation completed.

Change 3259109 on 2017/01/16 by Nick.Darnell

	Platform - The GetMimeType function now only takes in FilePath, since some platforms will require that actually resolve to a file on disk in order to determine the true mimetype.

Change 3259111 on 2017/01/16 by Alexis.Matte

	Avoid to move the camera when we re-import in the static mesh editor
	#jira UE-40613

Change 3259275 on 2017/01/16 by Matt.Kuhlenschmidt

	Fix crash when a slate window is resized and calls into a scene viewport during loading code when the scene viewport is not in a slate hierarchy and thus has no widget

Change 3259300 on 2017/01/16 by Nick.Darnell

	UMG - Introducing PreConstruct and NativePreConstruct to the base UUserWidget.  Users can now visualize non-binding based changes in the designer by evaluating a very limited amount of the blueprint code.  In the event your user widget crashes on load, due to calling something unsafe, you can disable evaluation in the editor preferences under Widget Designer.

Change 3259306 on 2017/01/16 by Nick.Darnell

	Games - Removing the Game Specific implementations of PreConstruct.

Change 3260182 on 2017/01/17 by Matt.Kuhlenschmidt

	Fix static analysis

Change 3261049 on 2017/01/17 by Nick.Darnell

	Slate - Putting in some fixes for the non-gpu pixel snapping mode, and disabling gpu snapping while we dig into why it looks weird.

Change 3261434 on 2017/01/17 by Nick.Darnell

	Fixing the mac build.

Change 3261435 on 2017/01/17 by Nick.Darnell

	Slate - Tweaking some aspects of the slate rounding code on the GPU.  There's still some precision loss somewhere causing subtle differences in where the snap occurs, that's different from previously.

Change 3261460 on 2017/01/17 by Nick.Darnell

	UMG - Tweaking the defintiions of NativePreConstruct, dropping passing in design time since that is readily available in native code.

Change 3261833 on 2017/01/18 by Alexis.Matte

	Fix all warning for fbx automation tests
	#jira UE-40208

Change 3261874 on 2017/01/18 by Matt.Kuhlenschmidt

	PR #3136: Fix Submit to Source Control Window for Git plugin : use CanCheckIn() to filter out unmodified assets files (Contributed by SRombauts)

Change 3262000 on 2017/01/18 by Jamie.Dale

	Updated Slate to allocate widgets using MakeShared

	This saves one allocation per-widget

Change 3262003 on 2017/01/18 by Nick.Darnell

	UMG - Widget Interaction Components now ignore Visible(false) Widget Components when tracing.

	#jira UE-40523

Change 3262052 on 2017/01/18 by Alexis.Matte

	Put back the staticmesh skinxx workflow
	#jira UE-40782

Change 3262775 on 2017/01/18 by Nick.Darnell

	Slate - Ditching moving vertex rounding to the GPU, some precision issues could not be overcome.  Ended up writing a clean way to implement it on the CPU.

Change 3262818 on 2017/01/18 by Alex.Delesky

	#jira UE-40668 - Editor preferences will now save for data pin styles

Change 3263679 on 2017/01/19 by Nick.Darnell

	Slate - Adding some comments to the Slate Vertex Rounder.

Change 3265154 on 2017/01/19 by Nick.Darnell

	Slate/UMG - Putting in some more time into pixel snapping.  I've re-introduced the old constructors, and decided to go with the templated approach, as to not break old code that relied on the FSlateVertex working a certain way.

Change 3265478 on 2017/01/20 by Chris.Wood

	Added config support for hang detection time and switching hang detection on/off in UnrealWatchdog
	[UE-40838] - Make hang time configurable and increase default in UnrealWatchdog

Change 3265600 on 2017/01/20 by Nick.Darnell

	Slate - Making some const local variables const.

Change 3265714 on 2017/01/20 by Alex.Delesky

	#jira UE-40791 - The ForceFeedback thumbnail's Play and Stop icons will now render correctly, and will only be visible while an effect is playing or when the cursor hovers over the icon.

Change 3265865 on 2017/01/20 by Alex.Delesky

	#jira UE-40511 - The Content Browser file path will now update when inside a folder that is deleted from the Sources Panel.

Change 3267989 on 2017/01/23 by Jamie.Dale

	Exposed String Tables to Blueprints

Change 3268018 on 2017/01/23 by Jamie.Dale

	Small API clean-up for string tables

Change 3268455 on 2017/01/23 by Matt.Kuhlenschmidt

	Fix SaveAs (Which says SaveCurrentAs) not saving the current level and only saving the persistent level and then reloading everything thus causing work to be lost if editing a sub-level

	#jira UE-40930

Change 3269388 on 2017/01/24 by Chris.Wood

	Refactored tick timing in UnrealWatchdog to stop bug where it doesn't close.
	[UE-40839] - UnrealWatchdog running and blocking use of Unreal Game Sync for internal users

	Standalone tool code only - doesn't touch engine

Change 3270205 on 2017/01/24 by Cody.Albert

	Updated FUnrealEdMisc::OnMessageTokenActivated to properly traverse up the outer hierarchy of an object.

Change 3270231 on 2017/01/24 by Cody.Albert

	Renamed and exposed GetFullScreenAlignment and GetViewportAnchors for consistency with the setters

Change 3271734 on 2017/01/25 by Michael.Dupuis

	#jira UE-38631
	Add sorting for landscape target layer, user can now sort alphabetical, material based or custom
	Added a new vertical box SDragNDropVerticalBox to handle drag & drop of FSlot
	Fixed SDropTarget to only consider the drop action if it was started by it
	Added visibility toggle to only show used layers in the currently loaded data

Change 3271797 on 2017/01/25 by Jamie.Dale

	Renamed HasBeenAlreadyMadeSharable to DoesSharedInstanceExist as the old name was nonsense

Change 3271813 on 2017/01/25 by Jamie.Dale

	Fixed bad access of a shared this during widget destruction when a context menu was open

Change 3271988 on 2017/01/25 by Nick.Darnell

	Slate - Removing some old checkbox deprecated code from the 4.3 and 4.6 days.

Change 3271992 on 2017/01/25 by Nick.Darnell

	Blueprints - Making the checked call better to log out more information when dragging and dropping a missing property.

Change 3272134 on 2017/01/25 by Jamie.Dale

	Updated the GatherText commandlet to no longer hold a ConfigFile pointer while it runs

	This pointer is internal to GConfig, and may be updated (or invalidated) when other config files are loaded (as can happen via game code while gathering text).

Change 3272301 on 2017/01/25 by Nick.Darnell

	Slate - More cleanup from the removal of a old legacy enum that people were still using.

Change 3273070 on 2017/01/26 by Chris.Wood

	Fix CIS errors in landscape code from CL 3271734

Change 3273123 on 2017/01/26 by Chris.Wood

	Fix crash during init of CRC when running packaged without access to main engine config hierarchy.

Change 3273194 on 2017/01/26 by Nick.Darnell

	Fixing some build warnings.

Change 3273242 on 2017/01/26 by Michael.Dupuis

	#jira UE-39948 : if we detect there is multiple levels in the current persistent when we add a new foliage asset we ask to save the foliage as an asset to permit paiting over multiple levels

Change 3273279 on 2017/01/26 by Jamie.Dale

	String Table INI redirects are now in the "Core.StringTable" section (rather than "/Script/Engine.Engine")

Change 3273483 on 2017/01/26 by Alex.Delesky

	#jira UE-32047 - Made changes to the FixupRedirects commandlet to ensure that files that are marked for delete are moved from the default changelist to the pending changelist and submitted when using Perforce.

	Also makes a slight change to the ResavePackages commandlet to submit files marked for delete.

Change 3273568 on 2017/01/26 by Alex.Delesky

	Modifying changes made to SPluginWizard to have the plugin loading phase determined by the wizard's definition rather than from the first selected template.

	#jira none

Change 3273855 on 2017/01/26 by Alex.Delesky

	#jira UE-41117 - Updating the tooltip on the "Allow Paint of all LODs" option for mesh paint mode.

Change 3274200 on 2017/01/26 by Alex.Delesky

	For IPluginWizardDefinition, temporarily adding function bodies to two methods instead of having them be pure virtual methods.

Change 3274317 on 2017/01/26 by Jamie.Dale

	Deleting a seemingly corrupted asset that was accidentially submitted

Change 3275072 on 2017/01/27 by Michael.Dupuis

	#jira UE-38631 tweaks
	Fix typo error
	Iterate all components, not only active one
	Force expand the Target Layers widget

Change 3275249 on 2017/01/27 by Alexis.Matte

	Color grading controls: Keep the vector ratio when changing the master slider
	#jira UETOOL-1098

Change 3275282 on 2017/01/27 by Alexis.Matte

	Color grading controls: Cosmetic changes
	#jira UETOOL-1099

Change 3275292 on 2017/01/27 by Alexis.Matte

	Make sure the build is called once when we import a staticmesh.
	#jira UE-40947

Change 3275430 on 2017/01/27 by Alexis.Matte

	Add some fbx automation tests
	- Import a mesh with no material
	- Import corrupted asset with no section in a LOD
	- Import morph targets
	- Materials name clash
	- Max Multimap material ordering

Change 3275683 on 2017/01/27 by Michael.Dupuis

	#jira UE-41215 : when saving an asset do not register the transaction, and make sure that the duplicate wont keep a copy in the transaction buffer as an asset can't be undo

Change 3276237 on 2017/01/27 by Jamie.Dale

	Deleting a seemingly corrupted asset that was accidentially submitted

Change 3276266 on 2017/01/27 by Jamie.Dale

	Fix for accessing a potentially null pointer

Change 3277065 on 2017/01/30 by Chris.Wood

	Move crash report temp files to saved config and cleanup on schedule.
	[UE-39506] - CrashReportClient ini folders are not cleaned when opening the editor

Change 3277236 on 2017/01/30 by Matt.Kuhlenschmidt

	Fix crash when cancelling SaveCurrentLevelAs

	#jira UE-41182

Change 3277409 on 2017/01/30 by Jamie.Dale

	Improved text rendering when the last resort font is missing

	The last resort font is no longer included in shipping builds, so this change makes some improvements to text rendering when it's missing.

	- The legacy font cache no longer tries to use the last resort font if it's not available (preventing warnings).
	- The Slate font renderer no longer tries to use the last resort font if it's not available.
	- Text shaping will use the last resort character if none of the available fonts can render a given character (likely because the last resort font is missing).
	- HarfBuzz shaped text now uses the fallback character correctly.

Change 3277749 on 2017/01/30 by Nick.Darnell

	Slate - Moving ESlateDrawEffect & ESlateBatchDrawFlag over to be enum class, found cases where users were improperly assuming the enum order, and so now it won't be possible to just treat an int32 or a bool as the draw effect value.

	Core - Adding EnumHasAllFlags and EnumHasAnyFlags, templated functions to make it easier to check for the existance of a flag on enum classes.

Change 3277805 on 2017/01/30 by Nick.Darnell

	Rendering - Changing some LoadModuleChecked calls to GetModuleChecked, as these calls are not happening on the main thread and are not safe to make.

Change 3277914 on 2017/01/30 by Matt.Kuhlenschmidt

	Fix Niagara slate style warning on startup

Change 3278058 on 2017/01/30 by Matt.Kuhlenschmidt

	Fixed compile error

Change 3278132 on 2017/01/30 by Nick.Darnell

	Fixed compile error

Change 3278133 on 2017/01/30 by Matt.Kuhlenschmidt

	Fixed compile errors

Change 3278186 on 2017/01/30 by Nick.Darnell

	Fixed compile error

Change 3278525 on 2017/01/30 by Nick.Darnell

	Fixed compile error

Change 3278534 on 2017/01/30 by Nick.Darnell

	Automation - Clearing up several warnings/errors with automation results, trying to get Automation Tests to at least yellow before integration.

Change 3278941 on 2017/01/31 by Nick.Darnell

	Fixing a build warning due to build team refactor.

Change 3278949 on 2017/01/31 by Nick.Darnell

	Fixing incrmenetal build issues.

Change 3278953 on 2017/01/31 by Nick.Darnell

	Fixing some incrmental linux build issues.

Change 3278964 on 2017/01/31 by Nick.Darnell

	FIxing more incremental build issues.

Change 3279256 on 2017/01/31 by Michael.Dupuis

	#jira UE-41319
	#jira UE-41315
	#jira UE-41316
	Instead of getting the Landscape Actor, call GetLandscapeProxy so all case are handled, either proxy or landscape actor

Change 3279270 on 2017/01/31 by Chad.Garyet

	re-updating the automation test pool

[CL 3279775 by Matt Kuhlenschmidt in Main branch]
2017-01-31 15:22:49 -05:00

1957 lines
74 KiB
C++
Raw Blame History

// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
#include "AssetTools.h"
#include "Factories/Factory.h"
#include "Misc/MessageDialog.h"
#include "HAL/FileManager.h"
#include "Misc/FileHelper.h"
#include "Misc/Paths.h"
#include "Misc/ScopedSlowTask.h"
#include "UObject/UObjectHash.h"
#include "UObject/UObjectIterator.h"
#include "Engine/Blueprint.h"
#include "Exporters/Exporter.h"
#include "Editor/EditorEngine.h"
#include "ISourceControlOperation.h"
#include "SourceControlOperations.h"
#include "ISourceControlModule.h"
#include "Editor/UnrealEdEngine.h"
#include "Settings/EditorLoadingSavingSettings.h"
#include "ThumbnailRendering/ThumbnailManager.h"
#include "Editor.h"
#include "EditorDirectories.h"
#include "FileHelpers.h"
#include "UnrealEdGlobals.h"
#include "AssetToolsLog.h"
#include "AssetToolsModule.h"
#include "Framework/MultiBox/MultiBoxBuilder.h"
#include "IClassTypeActions.h"
#include "AssetTypeActions/AssetTypeActions_Blueprint.h"
#include "AssetTypeActions/AssetTypeActions_Curve.h"
#include "AssetTypeActions/AssetTypeActions_MaterialInterface.h"
#include "AssetTypeActions/AssetTypeActions_SkeletalMesh.h"
#include "AssetTypeActions/AssetTypeActions_FbxSceneImportData.h"
#include "AssetTypeActions/AssetTypeActions_Texture.h"
#include "AssetTypeActions/AssetTypeActions_TextureRenderTarget.h"
#include "AssetTypeActions/AssetTypeActions_VectorField.h"
#include "AssetTypeActions/AssetTypeActions_AnimationAsset.h"
#include "AssetTypeActions/AssetTypeActions_AnimBlueprint.h"
#include "AssetTypeActions/AssetTypeActions_AnimComposite.h"
#include "AssetTypeActions/AssetTypeActions_AnimMontage.h"
#include "AssetTypeActions/AssetTypeActions_AnimSequence.h"
#include "AssetTypeActions/AssetTypeActions_BlendSpace.h"
#include "AssetTypeActions/AssetTypeActions_AimOffset.h"
#include "AssetTypeActions/AssetTypeActions_BlendSpace1D.h"
#include "AssetTypeActions/AssetTypeActions_AimOffset1D.h"
#include "AssetTypeActions/AssetTypeActions_CameraAnim.h"
#include "AssetTypeActions/AssetTypeActions_TextureRenderTarget2D.h"
#include "AssetTypeActions/AssetTypeActions_CanvasRenderTarget2D.h"
#include "AssetTypeActions/AssetTypeActions_CurveFloat.h"
#include "AssetTypeActions/AssetTypeActions_CurveTable.h"
#include "AssetTypeActions/AssetTypeActions_CurveVector.h"
#include "AssetTypeActions/AssetTypeActions_CurveLinearColor.h"
#include "AssetTypeActions/AssetTypeActions_DataAsset.h"
#include "AssetTypeActions/AssetTypeActions_DataTable.h"
#include "AssetTypeActions/AssetTypeActions_DestructibleMesh.h"
#include "AssetTypeActions/AssetTypeActions_Enum.h"
#include "AssetTypeActions/AssetTypeActions_Class.h"
#include "AssetTypeActions/AssetTypeActions_Struct.h"
#include "AssetTypeActions/AssetTypeActions_Font.h"
#include "AssetTypeActions/AssetTypeActions_FontFace.h"
#include "AssetTypeActions/AssetTypeActions_ForceFeedbackEffect.h"
#include "AssetTypeActions/AssetTypeActions_SubsurfaceProfile.h"
#include "AssetTypeActions/AssetTypeActions_InstancedFoliageSettings.h"
#include "AssetTypeActions/AssetTypeActions_InterpData.h"
#include "AssetTypeActions/AssetTypeActions_LandscapeLayer.h"
#include "AssetTypeActions/AssetTypeActions_LandscapeGrassType.h"
#include "AssetTypeActions/AssetTypeActions_Material.h"
#include "AssetTypeActions/AssetTypeActions_MaterialFunction.h"
#include "AssetTypeActions/AssetTypeActions_MaterialInstanceConstant.h"
#include "AssetTypeActions/AssetTypeActions_MaterialParameterCollection.h"
#include "AssetTypeActions/AssetTypeActions_ObjectLibrary.h"
#include "AssetTypeActions/AssetTypeActions_ParticleSystem.h"
#include "AssetTypeActions/AssetTypeActions_PhysicalMaterial.h"
#include "AssetTypeActions/AssetTypeActions_PhysicsAsset.h"
#include "AssetTypeActions/AssetTypeActions_PoseAsset.h"
#include "AssetTypeActions/AssetTypeActions_PreviewMeshCollection.h"
#include "AssetTypeActions/AssetTypeActions_ProceduralFoliageSpawner.h"
#include "AssetTypeActions/AssetTypeActions_Redirector.h"
#include "AssetTypeActions/AssetTypeActions_Rig.h"
#include "AssetTypeActions/AssetTypeActions_Skeleton.h"
#include "AssetTypeActions/AssetTypeActions_SlateBrush.h"
#include "AssetTypeActions/AssetTypeActions_SlateWidgetStyle.h"
#include "AssetTypeActions/AssetTypeActions_StaticMesh.h"
#include "AssetTypeActions/AssetTypeActions_Texture2D.h"
#include "AssetTypeActions/AssetTypeActions_TextureCube.h"
#include "AssetTypeActions/AssetTypeActions_TextureRenderTargetCube.h"
#include "AssetTypeActions/AssetTypeActions_TextureLightProfile.h"
#include "AssetTypeActions/AssetTypeActions_TouchInterface.h"
#include "AssetTypeActions/AssetTypeActions_VectorFieldAnimated.h"
#include "AssetTypeActions/AssetTypeActions_VectorFieldStatic.h"
#include "AssetTypeActions/AssetTypeActions_World.h"
#include "SDiscoveringAssetsDialog.h"
#include "AssetFixUpRedirectors.h"
#include "ObjectTools.h"
#include "PackageTools.h"
#include "AssetRegistryModule.h"
#include "DesktopPlatformModule.h"
#include "IContentBrowserSingleton.h"
#include "ContentBrowserModule.h"
#include "SPackageReportDialog.h"
#include "EngineAnalytics.h"
#include "AnalyticsEventAttribute.h"
#include "Interfaces/IAnalyticsProvider.h"
#include "Logging/MessageLog.h"
#include "UnrealExporter.h"
#include "Framework/Notifications/NotificationManager.h"
#include "Framework/Application/SlateApplication.h"
#include "Widgets/Notifications/SNotificationList.h"
#include "AutomatedAssetImportData.h"
#define LOCTEXT_NAMESPACE "AssetTools"
FAssetTools::FAssetTools()
: AssetRenameManager( MakeShareable(new FAssetRenameManager) )
, AssetFixUpRedirectors( MakeShareable(new FAssetFixUpRedirectors) )
, NextUserCategoryBit( EAssetTypeCategories::FirstUser )
{
// Register the built-in advanced categories
AllocatedCategoryBits.Add(TEXT("_BuiltIn_0"), FAdvancedAssetCategory(EAssetTypeCategories::Animation, LOCTEXT("AnimationAssetCategory", "Animation")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_1"), FAdvancedAssetCategory(EAssetTypeCategories::Blueprint, LOCTEXT("BlueprintAssetCategory", "Blueprints")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_2"), FAdvancedAssetCategory(EAssetTypeCategories::MaterialsAndTextures, LOCTEXT("MaterialAssetCategory", "Materials & Textures")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_3"), FAdvancedAssetCategory(EAssetTypeCategories::Sounds, LOCTEXT("SoundAssetCategory", "Sounds")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_4"), FAdvancedAssetCategory(EAssetTypeCategories::Physics, LOCTEXT("PhysicsAssetCategory", "Physics")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_5"), FAdvancedAssetCategory(EAssetTypeCategories::UI, LOCTEXT("UserInterfaceAssetCategory", "User Interface")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_6"), FAdvancedAssetCategory(EAssetTypeCategories::Misc, LOCTEXT("MiscellaneousAssetCategory", "Miscellaneous")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_7"), FAdvancedAssetCategory(EAssetTypeCategories::Gameplay, LOCTEXT("GameplayAssetCategory", "Gameplay")));
AllocatedCategoryBits.Add(TEXT("_BuiltIn_8"), FAdvancedAssetCategory(EAssetTypeCategories::Media, LOCTEXT("MediaAssetCategory", "Media")));
EAssetTypeCategories::Type BlendablesCategoryBit = RegisterAdvancedAssetCategory(FName(TEXT("Blendables")), LOCTEXT("BlendablesAssetCategory", "Blendables"));
// Register the built-in asset type actions
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AnimationAsset) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AnimBlueprint) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AnimComposite) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AnimMontage) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AnimSequence) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AimOffset) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_AimOffset1D) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_BlendSpace) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_PoseAsset));
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_BlendSpace1D) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Blueprint) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_CameraAnim) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_CanvasRenderTarget2D) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Curve) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_CurveFloat) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_CurveTable) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_CurveVector) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_CurveLinearColor) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_DataAsset) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_DataTable) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_DestructibleMesh) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Enum) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Class) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Struct) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_SceneImportData));
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Font) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_FontFace) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_ForceFeedbackEffect) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_SubsurfaceProfile));
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_InstancedFoliageSettings) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_InterpData) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_LandscapeLayer) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_LandscapeGrassType));
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Material(BlendablesCategoryBit)));
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_MaterialFunction) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_MaterialInstanceConstant(BlendablesCategoryBit)) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_MaterialInterface) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_MaterialParameterCollection) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_ObjectLibrary) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_ParticleSystem) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_PhysicalMaterial) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_PhysicsAsset) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_PreviewMeshCollection) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_ProceduralFoliageSpawner) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Redirector) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Rig) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_SkeletalMesh) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Skeleton) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_SlateBrush) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_SlateWidgetStyle) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_StaticMesh) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Texture) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_Texture2D) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_TextureCube) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_TextureRenderTarget) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_TextureRenderTarget2D) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_TextureRenderTargetCube) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_TextureLightProfile) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_TouchInterface) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_VectorField) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_VectorFieldAnimated) );
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_VectorFieldStatic) );
// Note: Please don't add any more actions here! They belong in an editor-only module that is more tightly
// coupled to your new system, and you should not create a dependency on your new system from AssetTools.
if ( UEditorEngine::IsUsingWorldAssets() )
{
RegisterAssetTypeActions( MakeShareable(new FAssetTypeActions_World) );
}
}
FAssetTools::~FAssetTools()
{
}
void FAssetTools::RegisterAssetTypeActions(const TSharedRef<IAssetTypeActions>& NewActions)
{
AssetTypeActionsList.Add(NewActions);
}
void FAssetTools::UnregisterAssetTypeActions(const TSharedRef<IAssetTypeActions>& ActionsToRemove)
{
AssetTypeActionsList.Remove(ActionsToRemove);
}
void FAssetTools::GetAssetTypeActionsList( TArray<TWeakPtr<IAssetTypeActions>>& OutAssetTypeActionsList ) const
{
for (auto ActionsIt = AssetTypeActionsList.CreateConstIterator(); ActionsIt; ++ActionsIt)
{
OutAssetTypeActionsList.Add(*ActionsIt);
}
}
TWeakPtr<IAssetTypeActions> FAssetTools::GetAssetTypeActionsForClass( UClass* Class ) const
{
TSharedPtr<IAssetTypeActions> MostDerivedAssetTypeActions;
for (int32 TypeActionsIdx = 0; TypeActionsIdx < AssetTypeActionsList.Num(); ++TypeActionsIdx)
{
TSharedRef<IAssetTypeActions> TypeActions = AssetTypeActionsList[TypeActionsIdx];
UClass* SupportedClass = TypeActions->GetSupportedClass();
if ( Class->IsChildOf(SupportedClass) )
{
if ( !MostDerivedAssetTypeActions.IsValid() || SupportedClass->IsChildOf( MostDerivedAssetTypeActions->GetSupportedClass() ) )
{
MostDerivedAssetTypeActions = TypeActions;
}
}
}
return MostDerivedAssetTypeActions;
}
EAssetTypeCategories::Type FAssetTools::RegisterAdvancedAssetCategory(FName CategoryKey, FText CategoryDisplayName)
{
EAssetTypeCategories::Type Result = FindAdvancedAssetCategory(CategoryKey);
if (Result == EAssetTypeCategories::Misc)
{
if (NextUserCategoryBit != 0)
{
// Register the category
Result = (EAssetTypeCategories::Type)NextUserCategoryBit;
AllocatedCategoryBits.Add(CategoryKey, FAdvancedAssetCategory(Result, CategoryDisplayName));
// Advance to the next bit, or store that we're out
if (NextUserCategoryBit == EAssetTypeCategories::LastUser)
{
NextUserCategoryBit = 0;
}
else
{
NextUserCategoryBit = NextUserCategoryBit << 1;
}
}
else
{
UE_LOG(LogAssetTools, Warning, TEXT("RegisterAssetTypeCategory(\"%s\", \"%s\") failed as all user bits have been exhausted (placing into the Misc category instead)"), *CategoryKey.ToString(), *CategoryDisplayName.ToString());
}
}
return Result;
}
EAssetTypeCategories::Type FAssetTools::FindAdvancedAssetCategory(FName CategoryKey) const
{
if (const FAdvancedAssetCategory* ExistingCategory = AllocatedCategoryBits.Find(CategoryKey))
{
return ExistingCategory->CategoryType;
}
else
{
return EAssetTypeCategories::Misc;
}
}
void FAssetTools::GetAllAdvancedAssetCategories(TArray<FAdvancedAssetCategory>& OutCategoryList) const
{
AllocatedCategoryBits.GenerateValueArray(OutCategoryList);
}
void FAssetTools::RegisterClassTypeActions(const TSharedRef<IClassTypeActions>& NewActions)
{
ClassTypeActionsList.Add(NewActions);
}
void FAssetTools::UnregisterClassTypeActions(const TSharedRef<IClassTypeActions>& ActionsToRemove)
{
ClassTypeActionsList.Remove(ActionsToRemove);
}
void FAssetTools::GetClassTypeActionsList( TArray<TWeakPtr<IClassTypeActions>>& OutClassTypeActionsList ) const
{
for (auto ActionsIt = ClassTypeActionsList.CreateConstIterator(); ActionsIt; ++ActionsIt)
{
OutClassTypeActionsList.Add(*ActionsIt);
}
}
TWeakPtr<IClassTypeActions> FAssetTools::GetClassTypeActionsForClass( UClass* Class ) const
{
TSharedPtr<IClassTypeActions> MostDerivedClassTypeActions;
for (int32 TypeActionsIdx = 0; TypeActionsIdx < ClassTypeActionsList.Num(); ++TypeActionsIdx)
{
TSharedRef<IClassTypeActions> TypeActions = ClassTypeActionsList[TypeActionsIdx];
UClass* SupportedClass = TypeActions->GetSupportedClass();
if ( Class->IsChildOf(SupportedClass) )
{
if ( !MostDerivedClassTypeActions.IsValid() || SupportedClass->IsChildOf( MostDerivedClassTypeActions->GetSupportedClass() ) )
{
MostDerivedClassTypeActions = TypeActions;
}
}
}
return MostDerivedClassTypeActions;
}
bool FAssetTools::GetAssetActions( const TArray<UObject*>& InObjects, FMenuBuilder& MenuBuilder, bool bIncludeHeading )
{
bool bAddedActions = false;
if ( InObjects.Num() )
{
// Find the most derived common class for all passed in Objects
UClass* CommonClass = InObjects[0]->GetClass();
for (int32 ObjIdx = 1; ObjIdx < InObjects.Num(); ++ObjIdx)
{
while (!InObjects[ObjIdx]->IsA(CommonClass))
{
CommonClass = CommonClass->GetSuperClass();
}
}
// Get the nearest common asset type for all the selected objects
TSharedPtr<IAssetTypeActions> CommonAssetTypeActions = GetAssetTypeActionsForClass(CommonClass).Pin();
// If we found a common type actions object, get actions from it
if ( CommonAssetTypeActions.IsValid() && CommonAssetTypeActions->HasActions(InObjects) )
{
if ( bIncludeHeading )
{
MenuBuilder.BeginSection("GetAssetActions", FText::Format( LOCTEXT("AssetSpecificOptionsMenuHeading", "{0} Actions"), CommonAssetTypeActions->GetName() ) );
}
// Get the actions
CommonAssetTypeActions->GetActions(InObjects, MenuBuilder);
if ( bIncludeHeading )
{
MenuBuilder.EndSection();
}
bAddedActions = true;
}
}
return bAddedActions;
}
struct FRootedOnScope
{
UObject* Obj;
FRootedOnScope(UObject* InObj) : Obj(nullptr)
{
if (InObj && !InObj->IsRooted())
{
Obj = InObj;
Obj->AddToRoot();
}
}
~FRootedOnScope()
{
if (Obj)
{
Obj->RemoveFromRoot();
}
}
};
UObject* FAssetTools::CreateAsset(const FString& AssetName, const FString& PackagePath, UClass* AssetClass, UFactory* Factory, FName CallingContext)
{
FRootedOnScope DontGCFactory(Factory);
// Verify the factory class
if ( !ensure(AssetClass || Factory) )
{
FMessageDialog::Open( EAppMsgType::Ok, LOCTEXT("MustSupplyClassOrFactory", "The new asset wasn't created due to a problem finding the appropriate factory or class for the new asset.") );
return nullptr;
}
if ( AssetClass && Factory && !ensure(AssetClass->IsChildOf(Factory->GetSupportedClass())) )
{
FMessageDialog::Open( EAppMsgType::Ok, LOCTEXT("InvalidFactory", "The new asset wasn't created because the supplied factory does not support the supplied class.") );
return nullptr;
}
const FString PackageName = PackagePath + TEXT("/") + AssetName;
// Make sure we can create the asset without conflicts
if ( !CanCreateAsset(AssetName, PackageName, LOCTEXT("CreateANewObject", "Create a new object")) )
{
return nullptr;
}
UClass* ClassToUse = AssetClass ? AssetClass : (Factory ? Factory->GetSupportedClass() : nullptr);
UPackage* Pkg = CreatePackage(nullptr,*PackageName);
UObject* NewObj = nullptr;
EObjectFlags Flags = RF_Public|RF_Standalone|RF_Transactional;
if ( Factory )
{
NewObj = Factory->FactoryCreateNew(ClassToUse, Pkg, FName( *AssetName ), Flags, nullptr, GWarn, CallingContext);
}
else if ( AssetClass )
{
NewObj = NewObject<UObject>(Pkg, ClassToUse, FName(*AssetName), Flags);
}
if( NewObj )
{
// Notify the asset registry
FAssetRegistryModule::AssetCreated(NewObj);
// analytics create record
FAssetTools::OnNewCreateRecord(AssetClass, false);
// Mark the package dirty...
Pkg->MarkPackageDirty();
}
return NewObj;
}
UObject* FAssetTools::CreateAsset(UClass* AssetClass, UFactory* Factory, FName CallingContext)
{
if (Factory != nullptr)
{
// Determine the starting path. Try to use the most recently used directory
FString AssetPath;
const FString DefaultFilesystemDirectory = FEditorDirectories::Get().GetLastDirectory(ELastDirectory::NEW_ASSET);
if (DefaultFilesystemDirectory.IsEmpty() || !FPackageName::TryConvertFilenameToLongPackageName(DefaultFilesystemDirectory, AssetPath))
{
// No saved path, just use the game content root
AssetPath = TEXT("/Game");
}
FString PackageName;
FString AssetName;
CreateUniqueAssetName(AssetPath / Factory->GetDefaultNewAssetName(), TEXT(""), PackageName, AssetName);
return CreateAssetWithDialog(AssetName, AssetPath, AssetClass, Factory, CallingContext);
}
return nullptr;
}
UObject* FAssetTools::CreateAssetWithDialog(const FString& AssetName, const FString& PackagePath, UClass* AssetClass, UFactory* Factory, FName CallingContext)
{
FSaveAssetDialogConfig SaveAssetDialogConfig;
SaveAssetDialogConfig.DialogTitleOverride = LOCTEXT("SaveAssetDialogTitle", "Save Asset As");
SaveAssetDialogConfig.DefaultPath = PackagePath;
SaveAssetDialogConfig.DefaultAssetName = AssetName;
SaveAssetDialogConfig.ExistingAssetPolicy = ESaveAssetDialogExistingAssetPolicy::AllowButWarn;
FContentBrowserModule& ContentBrowserModule = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
FString SaveObjectPath = ContentBrowserModule.Get().CreateModalSaveAssetDialog(SaveAssetDialogConfig);
if (!SaveObjectPath.IsEmpty())
{
FEditorDelegates::OnConfigureNewAssetProperties.Broadcast(Factory);
if (Factory->ConfigureProperties())
{
const FString SavePackageName = FPackageName::ObjectPathToPackageName(SaveObjectPath);
const FString SavePackagePath = FPaths::GetPath(SavePackageName);
const FString SaveAssetName = FPaths::GetBaseFilename(SavePackageName);
FEditorDirectories::Get().SetLastDirectory(ELastDirectory::NEW_ASSET, PackagePath);
return CreateAsset(SaveAssetName, SavePackagePath, AssetClass, Factory, CallingContext);
}
}
return nullptr;
}
UObject* FAssetTools::DuplicateAssetWithDialog(const FString& AssetName, const FString& PackagePath, UObject* OriginalObject)
{
FSaveAssetDialogConfig SaveAssetDialogConfig;
SaveAssetDialogConfig.DialogTitleOverride = LOCTEXT("DuplicateAssetDialogTitle", "Duplicate Asset As");
SaveAssetDialogConfig.DefaultPath = PackagePath;
SaveAssetDialogConfig.DefaultAssetName = AssetName;
SaveAssetDialogConfig.ExistingAssetPolicy = ESaveAssetDialogExistingAssetPolicy::AllowButWarn;
FContentBrowserModule& ContentBrowserModule = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
FString SaveObjectPath = ContentBrowserModule.Get().CreateModalSaveAssetDialog(SaveAssetDialogConfig);
if (!SaveObjectPath.IsEmpty())
{
const FString SavePackageName = FPackageName::ObjectPathToPackageName(SaveObjectPath);
const FString SavePackagePath = FPaths::GetPath(SavePackageName);
const FString SaveAssetName = FPaths::GetBaseFilename(SavePackageName);
FEditorDirectories::Get().SetLastDirectory(ELastDirectory::NEW_ASSET, PackagePath);
return DuplicateAsset(SaveAssetName, SavePackagePath, OriginalObject);
}
return nullptr;
}
UObject* FAssetTools::DuplicateAsset(const FString& AssetName, const FString& PackagePath, UObject* OriginalObject)
{
// Verify the source object
if ( !OriginalObject )
{
FMessageDialog::Open( EAppMsgType::Ok, LOCTEXT("InvalidSourceObject", "The new asset wasn't created due to a problem finding the object to duplicate.") );
return nullptr;
}
const FString PackageName = PackagePath + TEXT("/") + AssetName;
// Make sure we can create the asset without conflicts
if ( !CanCreateAsset(AssetName, PackageName, LOCTEXT("DuplicateAnObject", "Duplicate an object")) )
{
return nullptr;
}
ObjectTools::FPackageGroupName PGN;
PGN.PackageName = PackageName;
PGN.GroupName = TEXT("");
PGN.ObjectName = AssetName;
TSet<UPackage*> ObjectsUserRefusedToFullyLoad;
UObject* NewObject = ObjectTools::DuplicateSingleObject(OriginalObject, PGN, ObjectsUserRefusedToFullyLoad);
if(NewObject != nullptr)
{
if ( ISourceControlModule::Get().IsEnabled() )
{
// Save package here if SCC is enabled because the user can use SCC to revert a change
TArray<UPackage*> OutermostPackagesToSave;
OutermostPackagesToSave.Add(NewObject->GetOutermost());
const bool bCheckDirty = false;
const bool bPromptToSave = false;
FEditorFileUtils::PromptForCheckoutAndSave(OutermostPackagesToSave, bCheckDirty, bPromptToSave);
// now attempt to branch, we can do this now as we should have a file on disk
SourceControlHelpers::BranchPackage(NewObject->GetOutermost(), OriginalObject->GetOutermost());
}
// analytics create record
FAssetTools::OnNewCreateRecord(NewObject->GetClass(), true);
}
return NewObject;
}
void FAssetTools::RenameAssets(const TArray<FAssetRenameData>& AssetsAndNames) const
{
AssetRenameManager->RenameAssets(AssetsAndNames);
}
TArray<UObject*> FAssetTools::ImportAssets(const FString& DestinationPath)
{
TArray<UObject*> ReturnObjects;
FString FileTypes, AllExtensions;
TArray<UFactory*> Factories;
// Get the list of valid factories
for( TObjectIterator<UClass> It ; It ; ++It )
{
UClass* CurrentClass = (*It);
if( CurrentClass->IsChildOf(UFactory::StaticClass()) && !(CurrentClass->HasAnyClassFlags(CLASS_Abstract)) )
{
UFactory* Factory = Cast<UFactory>( CurrentClass->GetDefaultObject() );
if( Factory->bEditorImport )
{
Factories.Add( Factory );
}
}
}
TMultiMap<uint32, UFactory*> FilterIndexToFactory;
// Generate the file types and extensions represented by the selected factories
ObjectTools::GenerateFactoryFileExtensions( Factories, FileTypes, AllExtensions, FilterIndexToFactory );
FileTypes = FString::Printf(TEXT("All Files (%s)|%s|%s"),*AllExtensions,*AllExtensions,*FileTypes);
// Prompt the user for the filenames
TArray<FString> OpenFilenames;
IDesktopPlatform* DesktopPlatform = FDesktopPlatformModule::Get();
bool bOpened = false;
int32 FilterIndex = -1;
if ( DesktopPlatform )
{
const void* ParentWindowWindowHandle = FSlateApplication::Get().FindBestParentWindowHandleForDialogs(nullptr);
bOpened = DesktopPlatform->OpenFileDialog(
ParentWindowWindowHandle,
LOCTEXT("ImportDialogTitle", "Import").ToString(),
FEditorDirectories::Get().GetLastDirectory(ELastDirectory::GENERIC_IMPORT),
TEXT(""),
FileTypes,
EFileDialogFlags::Multiple,
OpenFilenames,
FilterIndex
);
}
if ( bOpened )
{
if ( OpenFilenames.Num() > 0 )
{
UFactory* ChosenFactory = nullptr;
if (FilterIndex > 0)
{
ChosenFactory = *FilterIndexToFactory.Find(FilterIndex);
}
FEditorDirectories::Get().SetLastDirectory(ELastDirectory::GENERIC_IMPORT, OpenFilenames[0]);
ReturnObjects = ImportAssets(OpenFilenames, DestinationPath, ChosenFactory);
}
}
return ReturnObjects;
}
TArray<UObject*> FAssetTools::ImportAssetsAutomated(const UAutomatedAssetImportData& ImportData) const
{
FAssetImportParams Params;
Params.bAutomated = true;
Params.bForceOverrideExisting = ImportData.bReplaceExisting;
Params.bSyncToBrowser = false;
Params.SpecifiedFactory = ImportData.Factory;
Params.ImportData = &ImportData;
return ImportAssetsInternal(ImportData.Filenames, ImportData.DestinationPath, nullptr, Params);
}
void FAssetTools::ExpandDirectories(const TArray<FString>& Files, const FString& DestinationPath, TArray<TPair<FString, FString>>& FilesAndDestinations) const
{
// Iterate through all files in the list, if any folders are found, recurse and expand them.
for ( int32 FileIdx = 0; FileIdx < Files.Num(); ++FileIdx )
{
const FString& Filename = Files[FileIdx];
// If the file being imported is a directory, just include all sub-files and skip the directory.
if ( IFileManager::Get().DirectoryExists(*Filename) )
{
FString FolderName = FPaths::GetCleanFilename(Filename);
// Get all files & folders in the folder.
FString SearchPath = Filename / FString(TEXT("*"));
TArray<FString> SubFiles;
IFileManager::Get().FindFiles(SubFiles, *SearchPath, true, true);
// FindFiles just returns file and directory names, so we need to tack on the root path to get the full path.
TArray<FString> FullPathItems;
for ( FString& SubFile : SubFiles )
{
FullPathItems.Add(Filename / SubFile);
}
// Expand any sub directories found.
FString NewSubDestination = DestinationPath / FolderName;
ExpandDirectories(FullPathItems, NewSubDestination, FilesAndDestinations);
}
else
{
// Add any files and their destination path.
FilesAndDestinations.Add(TPairInitializer<FString, FString>(Filename, DestinationPath));
}
}
}
TArray<UObject*> FAssetTools::ImportAssets(const TArray<FString>& Files, const FString& RootDestinationPath, UFactory* SpecifiedFactory, bool bSyncToBrowser, TArray<TPair<FString, FString>> *FilesAndDestinations) const
{
const bool bForceOverrideExisting = false;
FAssetImportParams Params;
Params.bAutomated = false;
Params.bForceOverrideExisting = false;
Params.bSyncToBrowser = bSyncToBrowser;
Params.SpecifiedFactory = SpecifiedFactory;
return ImportAssetsInternal(Files, RootDestinationPath, FilesAndDestinations, Params);
}
void FAssetTools::CreateUniqueAssetName(const FString& InBasePackageName, const FString& InSuffix, FString& OutPackageName, FString& OutAssetName) const
{
const FString SanitizedBasePackageName = PackageTools::SanitizePackageName(InBasePackageName);
const FString PackagePath = FPackageName::GetLongPackagePath(SanitizedBasePackageName);
const FString BaseAssetNameWithSuffix = FPackageName::GetLongPackageAssetName(SanitizedBasePackageName) + InSuffix;
const FString SanitizedBaseAssetName = ObjectTools::SanitizeObjectName(BaseAssetNameWithSuffix);
int32 IntSuffix = 1;
bool bObjectExists = false;
int32 CharIndex = SanitizedBaseAssetName.Len() - 1;
while (CharIndex >= 0 && SanitizedBaseAssetName[CharIndex] >= TEXT('0') && SanitizedBaseAssetName[CharIndex] <= TEXT('9'))
{
--CharIndex;
}
FString TrailingInteger;
FString TrimmedBaseAssetName = SanitizedBaseAssetName;
if (SanitizedBaseAssetName.Len() > 0 && CharIndex == -1)
{
// This is the all numeric name, in this case we'd like to append _number, because just adding a number isn't great
TrimmedBaseAssetName += TEXT("_");
IntSuffix = 2;
}
if (CharIndex >= 0 && CharIndex < SanitizedBaseAssetName.Len() - 1)
{
TrailingInteger = SanitizedBaseAssetName.RightChop(CharIndex + 1);
TrimmedBaseAssetName = SanitizedBaseAssetName.Left(CharIndex + 1);
IntSuffix = FCString::Atoi(*TrailingInteger);
}
FAssetRegistryModule& AssetRegistryModule = FModuleManager::Get().LoadModuleChecked<FAssetRegistryModule>(TEXT("AssetRegistry"));
do
{
bObjectExists = false;
if ( IntSuffix <= 1 )
{
OutAssetName = SanitizedBaseAssetName;
}
else
{
FString Suffix = FString::Printf(TEXT("%d"), IntSuffix);
while (Suffix.Len() < TrailingInteger.Len())
{
Suffix = TEXT("0") + Suffix;
}
OutAssetName = FString::Printf(TEXT("%s%s"), *TrimmedBaseAssetName, *Suffix);
}
OutPackageName = PackagePath + TEXT("/") + OutAssetName;
FString ObjectPath = OutPackageName + TEXT(".") + OutAssetName;
// Use the asset registry if possible to find existing assets without loading them
if ( !AssetRegistryModule.Get().IsLoadingAssets() )
{
FAssetData AssetData = AssetRegistryModule.Get().GetAssetByObjectPath(*ObjectPath);
if(AssetData.IsValid())
{
bObjectExists = true;
}
}
else
{
bObjectExists = LoadObject<UObject>(nullptr, *ObjectPath, nullptr, LOAD_NoWarn | LOAD_NoRedirects) != nullptr;
}
IntSuffix++;
}
while (bObjectExists != false);
}
bool FAssetTools::AssetUsesGenericThumbnail( const FAssetData& AssetData ) const
{
if ( !AssetData.IsValid() )
{
// Invalid asset, assume it does not use a shared thumbnail
return false;
}
if( AssetData.IsAssetLoaded() )
{
// Loaded asset, see if there is a rendering info for it
UObject* Asset = AssetData.GetAsset();
FThumbnailRenderingInfo* RenderInfo = GUnrealEd->GetThumbnailManager()->GetRenderingInfo( Asset );
return !RenderInfo || !RenderInfo->Renderer;
}
if ( AssetData.AssetClass == UBlueprint::StaticClass()->GetFName() )
{
// Unloaded blueprint asset
// It would be more correct here to find the rendering info for the generated class,
// but instead we are simply seeing if there is a thumbnail saved on disk for this asset
FString PackageFilename;
if ( FPackageName::DoesPackageExist(AssetData.PackageName.ToString(), nullptr, &PackageFilename) )
{
TSet<FName> ObjectFullNames;
FThumbnailMap ThumbnailMap;
FName ObjectFullName = FName(*AssetData.GetFullName());
ObjectFullNames.Add(ObjectFullName);
ThumbnailTools::LoadThumbnailsFromPackage(PackageFilename, ObjectFullNames, ThumbnailMap);
FObjectThumbnail* ThumbnailPtr = ThumbnailMap.Find(ObjectFullName);
if (ThumbnailPtr)
{
return (*ThumbnailPtr).IsEmpty();
}
return true;
}
}
else
{
// Unloaded non-blueprint asset. See if the class has a rendering info.
UClass* Class = FindObject<UClass>(ANY_PACKAGE, *AssetData.AssetClass.ToString());
UObject* ClassCDO = nullptr;
if (Class != nullptr)
{
ClassCDO = Class->GetDefaultObject();
}
// Get the rendering info for this object
FThumbnailRenderingInfo* RenderInfo = nullptr;
if (ClassCDO != nullptr)
{
RenderInfo = GUnrealEd->GetThumbnailManager()->GetRenderingInfo( ClassCDO );
}
return !RenderInfo || !RenderInfo->Renderer;
}
return false;
}
void FAssetTools::DiffAgainstDepot( UObject* InObject, const FString& InPackagePath, const FString& InPackageName ) const
{
check( InObject );
// Make sure our history is up to date
ISourceControlProvider& SourceControlProvider = ISourceControlModule::Get().GetProvider();
TSharedRef<FUpdateStatus, ESPMode::ThreadSafe> UpdateStatusOperation = ISourceControlOperation::Create<FUpdateStatus>();
UpdateStatusOperation->SetUpdateHistory(true);
SourceControlProvider.Execute(UpdateStatusOperation, SourceControlHelpers::PackageFilename(InPackagePath));
// Get the SCC state
FSourceControlStatePtr SourceControlState = SourceControlProvider.GetState(SourceControlHelpers::PackageFilename(InPackagePath), EStateCacheUsage::Use);
// If we have an asset and its in SCC..
if( SourceControlState.IsValid() && InObject != nullptr && SourceControlState->IsSourceControlled() )
{
// Get the file name of package
FString RelativeFileName;
if(FPackageName::DoesPackageExist(InPackagePath, nullptr, &RelativeFileName))
{
if(SourceControlState->GetHistorySize() > 0)
{
TSharedPtr<ISourceControlRevision, ESPMode::ThreadSafe> Revision = SourceControlState->GetHistoryItem(0);
check(Revision.IsValid());
// Get the head revision of this package from source control
FString AbsoluteFileName = FPaths::ConvertRelativePathToFull(RelativeFileName);
FString TempFileName;
if(Revision->Get(TempFileName))
{
// Forcibly disable compile on load in case we are loading old blueprints that might try to update/compile
TGuardValue<bool> DisableCompileOnLoad(GForceDisableBlueprintCompileOnLoad, true);
// Try and load that package
UPackage* TempPackage = LoadPackage(nullptr, *TempFileName, LOAD_ForDiff);
if(TempPackage != nullptr)
{
// Grab the old asset from that old package
UObject* OldObject = FindObject<UObject>(TempPackage, *InPackageName);
if(OldObject != nullptr)
{
/* Set the revision information*/
FRevisionInfo OldRevision;
OldRevision.Changelist = Revision->GetCheckInIdentifier();
OldRevision.Date = Revision->GetDate();
OldRevision.Revision = Revision->GetRevision();
FRevisionInfo NewRevision;
NewRevision.Revision = TEXT("");
DiffAssets(OldObject, InObject, OldRevision, NewRevision);
}
}
}
}
}
}
}
void FAssetTools::DiffAssets(UObject* OldAsset, UObject* NewAsset, const struct FRevisionInfo& OldRevision, const struct FRevisionInfo& NewRevision) const
{
if(OldAsset == nullptr || NewAsset == nullptr)
{
UE_LOG(LogAssetTools, Warning, TEXT("DiffAssets: One of the supplied assets was nullptr."));
return;
}
// Get class of both assets
UClass* OldClass = OldAsset->GetClass();
UClass* NewClass = NewAsset->GetClass();
// If same class..
if(OldClass == NewClass)
{
// Get class-specific actions
TWeakPtr<IAssetTypeActions> Actions = GetAssetTypeActionsForClass( NewClass );
if(Actions.IsValid())
{
// And use that to perform the Diff
Actions.Pin()->PerformAssetDiff(OldAsset, NewAsset, OldRevision, NewRevision);
}
}
else
{
UE_LOG(LogAssetTools, Warning, TEXT("DiffAssets: Classes were not the same."));
}
}
FString FAssetTools::DumpAssetToTempFile(UObject* Asset) const
{
check(Asset);
// Clear the mark state for saving.
UnMarkAllObjects(EObjectMark(OBJECTMARK_TagExp | OBJECTMARK_TagImp));
FStringOutputDevice Archive;
const FExportObjectInnerContext Context;
// Export asset to archive
UExporter::ExportToOutputDevice(&Context, Asset, nullptr, Archive, TEXT("copy"), 0, PPF_ExportsNotFullyQualified|PPF_Copy|PPF_Delimited, false, Asset->GetOuter());
// Used to generate unique file names during a run
static int TempFileNum = 0;
// Build name for temp text file
FString RelTempFileName = FString::Printf(TEXT("%sText%s-%d.txt"), *FPaths::DiffDir(), *Asset->GetName(), TempFileNum++);
FString AbsoluteTempFileName = FPaths::ConvertRelativePathToFull(RelTempFileName);
// Save text into temp file
if( !FFileHelper::SaveStringToFile( Archive, *AbsoluteTempFileName ) )
{
//UE_LOG(LogAssetTools, Warning, TEXT("DiffAssets: Could not write %s"), *AbsoluteTempFileName);
return TEXT("");
}
else
{
return AbsoluteTempFileName;
}
}
FString WrapArgument(const FString& Argument)
{
// Wrap the passed in argument so it changes from Argument to "Argument"
return FString::Printf(TEXT("%s%s%s"), (Argument.StartsWith("\"")) ? TEXT(""): TEXT("\""),
*Argument,
(Argument.EndsWith("\"")) ? TEXT(""): TEXT("\""));
}
bool FAssetTools::CreateDiffProcess(const FString& DiffCommand, const FString& OldTextFilename, const FString& NewTextFilename, const FString& DiffArgs) const
{
// Construct Arguments
FString Arguments = FString::Printf( TEXT("%s %s %s"),*WrapArgument(OldTextFilename), *WrapArgument(NewTextFilename), *DiffArgs );
bool bTryRunDiff = true;
FString NewDiffCommand = DiffCommand;
while (bTryRunDiff)
{
// Fire process
if (FPlatformProcess::CreateProc(*NewDiffCommand, *Arguments, true, false, false, nullptr, 0, nullptr, nullptr).IsValid())
{
return true;
}
else
{
const FText Message = FText::Format(NSLOCTEXT("AssetTools", "DiffFail", "The currently set diff tool '{0}' could not be run. Would you like to set a new diff tool?"), FText::FromString(DiffCommand));
EAppReturnType::Type Response = FMessageDialog::Open(EAppMsgType::YesNo, Message);
if (Response == EAppReturnType::No)
{
bTryRunDiff = false;
}
else
{
IDesktopPlatform* DesktopPlatform = FDesktopPlatformModule::Get();
check(DesktopPlatform);
const FText FileFilterType = NSLOCTEXT("AssetTools", "Executables", "Executables");
#if PLATFORM_WINDOWS
const FString FileFilterText = FString::Printf(TEXT("%s (*.exe)|*.exe"), *FileFilterType.ToString());
#elif PLATFORM_MAC
const FString FileFilterText = FString::Printf(TEXT("%s (*.app)|*.app"), *FileFilterType.ToString());
#else
const FString FileFilterText = FString::Printf(TEXT("%s"), *FileFilterType.ToString());
#endif
TArray<FString> OutFiles;
if (DesktopPlatform->OpenFileDialog(
nullptr,
NSLOCTEXT("AssetTools", "ChooseDiffTool", "Choose Diff Tool").ToString(),
TEXT(""),
TEXT(""),
FileFilterText,
EFileDialogFlags::None,
OutFiles))
{
UEditorLoadingSavingSettings& Settings = *GetMutableDefault<UEditorLoadingSavingSettings>();
Settings.TextDiffToolPath.FilePath = OutFiles[0];
Settings.SaveConfig();
NewDiffCommand = OutFiles[0];
}
}
}
}
return false;
}
void FAssetTools::MigratePackages(const TArray<FName>& PackageNamesToMigrate) const
{
// Packages must be saved for the migration to work
const bool bPromptUserToSave = true;
const bool bSaveMapPackages = true;
const bool bSaveContentPackages = true;
if ( FEditorFileUtils::SaveDirtyPackages( bPromptUserToSave, bSaveMapPackages, bSaveContentPackages ) )
{
FAssetRegistryModule& AssetRegistryModule = FModuleManager::Get().LoadModuleChecked<FAssetRegistryModule>(TEXT("AssetRegistry"));
if ( AssetRegistryModule.Get().IsLoadingAssets() )
{
// Open a dialog asking the user to wait while assets are being discovered
SDiscoveringAssetsDialog::OpenDiscoveringAssetsDialog(
SDiscoveringAssetsDialog::FOnAssetsDiscovered::CreateRaw(this, &FAssetTools::PerformMigratePackages, PackageNamesToMigrate)
);
}
else
{
// Assets are already discovered, perform the migration now
PerformMigratePackages(PackageNamesToMigrate);
}
}
}
void FAssetTools::OnNewImportRecord(UClass* AssetType, const FString& FileExtension, bool bSucceeded, bool bWasCancelled, const FDateTime& StartTime)
{
// Don't attempt to report usage stats if analytics isn't available
if(AssetType != nullptr && FEngineAnalytics::IsAvailable())
{
TArray<FAnalyticsEventAttribute> Attribs;
Attribs.Add(FAnalyticsEventAttribute(TEXT("AssetType"), AssetType->GetName()));
Attribs.Add(FAnalyticsEventAttribute(TEXT("FileExtension"), FileExtension));
Attribs.Add(FAnalyticsEventAttribute(TEXT("Outcome"), bSucceeded ? TEXT("Success") : (bWasCancelled ? TEXT("Cancelled") : TEXT("Failed"))));
FTimespan TimeTaken = FDateTime::UtcNow() - StartTime;
Attribs.Add(FAnalyticsEventAttribute(TEXT("TimeTaken.Seconds"), (float)TimeTaken.GetTotalSeconds()));
FEngineAnalytics::GetProvider().RecordEvent(TEXT("Editor.Usage.ImportAsset"), Attribs);
}
}
void FAssetTools::OnNewCreateRecord(UClass* AssetType, bool bDuplicated)
{
// Don't attempt to report usage stats if analytics isn't available
if(AssetType != nullptr && FEngineAnalytics::IsAvailable())
{
TArray<FAnalyticsEventAttribute> Attribs;
Attribs.Add(FAnalyticsEventAttribute(TEXT("AssetType"), AssetType->GetName()));
Attribs.Add(FAnalyticsEventAttribute(TEXT("Duplicated"), bDuplicated? TEXT("Yes") : TEXT("No")));
FEngineAnalytics::GetProvider().RecordEvent(TEXT("Editor.Usage.CreateAsset"), Attribs);
}
}
TArray<UObject*> FAssetTools::ImportAssetsInternal(const TArray<FString>& Files, const FString& RootDestinationPath, TArray<TPair<FString, FString>> *FilesAndDestinationsPtr, const FAssetImportParams& Params) const
{
UFactory* SpecifiedFactory = Params.SpecifiedFactory;
const bool bForceOverrideExisting = Params.bForceOverrideExisting;
const bool bSyncToBrowser = Params.bSyncToBrowser;
const bool bAutomatedImport = Params.bAutomated || GIsAutomationTesting;
TArray<UObject*> ReturnObjects;
TMap< FString, TArray<UFactory*> > ExtensionToFactoriesMap;
FScopedSlowTask SlowTask(Files.Num() + 3, LOCTEXT("ImportSlowTask", "Importing"));
SlowTask.MakeDialog();
SlowTask.EnterProgressFrame();
TArray<TPair<FString, FString>> FilesAndDestinations;
if (FilesAndDestinationsPtr == nullptr)
{
ExpandDirectories(Files, RootDestinationPath, FilesAndDestinations);
}
else
{
FilesAndDestinations = (*FilesAndDestinationsPtr);
}
SlowTask.EnterProgressFrame(1, LOCTEXT("Import_DeterminingImportTypes", "Determining asset types"));
if(SpecifiedFactory == nullptr)
{
// First instantiate one factory for each file extension encountered that supports the extension
// @todo import: gmp: show dialog in case of multiple matching factories
for(TObjectIterator<UClass> ClassIt; ClassIt; ++ClassIt)
{
if(!(*ClassIt)->IsChildOf(UFactory::StaticClass()) || ((*ClassIt)->HasAnyClassFlags(CLASS_Abstract)) || (*ClassIt)->IsChildOf(USceneImportFactory::StaticClass()))
{
continue;
}
UFactory* Factory = Cast<UFactory>((*ClassIt)->GetDefaultObject());
if(!Factory->bEditorImport)
{
continue;
}
TArray<FString> FactoryExtensions;
Factory->GetSupportedFileExtensions(FactoryExtensions);
for(auto& FileDest : FilesAndDestinations)
{
const FString FileExtension = FPaths::GetExtension(FileDest.Key);
// Case insensitive string compare with supported formats of this factory
if(FactoryExtensions.Contains(FileExtension))
{
TArray<UFactory*>& ExistingFactories = ExtensionToFactoriesMap.FindOrAdd(FileExtension);
// Do not remap extensions, just reuse the existing UFactory.
// There may be multiple UFactories, so we will keep track of all of them
bool bFactoryAlreadyInMap = false;
for(auto FoundFactoryIt = ExistingFactories.CreateConstIterator(); FoundFactoryIt; ++FoundFactoryIt)
{
if((*FoundFactoryIt)->GetClass() == Factory->GetClass())
{
bFactoryAlreadyInMap = true;
break;
}
}
if(!bFactoryAlreadyInMap)
{
// We found a factory for this file, it can be imported!
// Create a new factory of the same class and make sure it doesn't get GCed.
// The object will be removed from the root set at the end of this function.
UFactory* NewFactory = NewObject<UFactory>(GetTransientPackage(), Factory->GetClass());
if(NewFactory->ConfigureProperties())
{
NewFactory->AddToRoot();
ExistingFactories.Add(NewFactory);
}
}
}
}
}
}
else if(SpecifiedFactory->bEditorImport && !bAutomatedImport)
{
TArray<FString> FactoryExtensions;
SpecifiedFactory->GetSupportedFileExtensions(FactoryExtensions);
for(auto FileIt = Files.CreateConstIterator(); FileIt; ++FileIt)
{
const FString FileExtension = FPaths::GetExtension(*FileIt);
// Case insensitive string compare with supported formats of this factory
if(!FactoryExtensions.Contains(FileExtension))
{
continue;
}
TArray<UFactory*>& ExistingFactories = ExtensionToFactoriesMap.FindOrAdd(FileExtension);
// Do not remap extensions, just reuse the existing UFactory.
// There may be multiple UFactories, so we will keep track of all of them
bool bFactoryAlreadyInMap = false;
for(auto FoundFactoryIt = ExistingFactories.CreateConstIterator(); FoundFactoryIt; ++FoundFactoryIt)
{
if((*FoundFactoryIt)->GetClass() == SpecifiedFactory->GetClass())
{
bFactoryAlreadyInMap = true;
break;
}
}
if(!bFactoryAlreadyInMap)
{
// We found a factory for this file, it can be imported!
// Create a new factory of the same class and make sure it doesnt get GCed.
// The object will be removed from the root set at the end of this function.
UFactory* NewFactory = NewObject<UFactory>(GetTransientPackage(), SpecifiedFactory->GetClass());
if(NewFactory->ConfigureProperties())
{
NewFactory->AddToRoot();
ExistingFactories.Add(NewFactory);
}
}
}
}
// We need to sort the factories so that they get tested in priority order
for(auto& ExtensionToFactories : ExtensionToFactoriesMap)
{
ExtensionToFactories.Value.Sort(&UFactory::SortFactoriesByPriority);
}
// Some flags to keep track of what the user decided when asked about overwriting or replacing
bool bOverwriteAll = false;
bool bReplaceAll = false;
bool bDontOverwriteAny = false;
bool bDontReplaceAny = false;
TArray<UFactory*> UsedFactories;
// Now iterate over the input files and use the same factory object for each file with the same extension
for(int32 FileIdx = 0; FileIdx < FilesAndDestinations.Num(); ++FileIdx)
{
const FString& Filename = FilesAndDestinations[FileIdx].Key;
const FString& DestinationPath = FilesAndDestinations[FileIdx].Value;
SlowTask.EnterProgressFrame(1, FText::Format(LOCTEXT("Import_ImportingFile", "Importing \"{0}\"..."), FText::FromString(FPaths::GetBaseFilename(Filename))));
FString FileExtension = FPaths::GetExtension(Filename);
const TArray<UFactory*>* FactoriesPtr = ExtensionToFactoriesMap.Find(FileExtension);
UFactory* Factory = nullptr;
// Assume that for automated import, the user knows exactly what factory to use if it exists
if(bAutomatedImport && SpecifiedFactory && SpecifiedFactory->FactoryCanImport(Filename))
{
Factory = SpecifiedFactory;
}
else if(FactoriesPtr)
{
const TArray<UFactory*>& Factories = *FactoriesPtr;
// Handle the potential of multiple factories being found
if(Factories.Num() > 0)
{
Factory = Factories[0];
for(auto FactoryIt = Factories.CreateConstIterator(); FactoryIt; ++FactoryIt)
{
UFactory* TestFactory = *FactoryIt;
if(TestFactory->FactoryCanImport(Filename))
{
Factory = TestFactory;
break;
}
}
}
}
else
{
if(FEngineAnalytics::IsAvailable())
{
TArray<FAnalyticsEventAttribute> Attribs;
Attribs.Add(FAnalyticsEventAttribute(TEXT("FileExtension"), FileExtension));
FEngineAnalytics::GetProvider().RecordEvent(TEXT("Editor.Usage.ImportFailed"), Attribs);
}
const FText Message = FText::Format(LOCTEXT("ImportFailed_UnknownExtension", "Failed to import '{0}'. Unknown extension '{1}'."), FText::FromString(Filename), FText::FromString(FileExtension));
FNotificationInfo Info(Message);
Info.ExpireDuration = 3.0f;
Info.bUseLargeFont = false;
Info.bFireAndForget = true;
Info.bUseSuccessFailIcons = true;
FSlateNotificationManager::Get().AddNotification(Info)->SetCompletionState(SNotificationItem::CS_Fail);
UE_LOG(LogAssetTools, Warning, TEXT("%s"), *Message.ToString());
}
if(Factory != nullptr)
{
// Reset the 'Do you want to overwrite the existing object?' Yes to All / No to All prompt, to make sure the
// user gets a chance to select something when the factory is first used during this import
if (!UsedFactories.Contains(Factory))
{
Factory->ResetState();
UsedFactories.AddUnique(Factory);
}
UClass* ImportAssetType = Factory->SupportedClass;
bool bImportSucceeded = false;
bool bImportWasCancelled = false;
FDateTime ImportStartTime = FDateTime::UtcNow();
FString Name = ObjectTools::SanitizeObjectName(FPaths::GetBaseFilename(Filename));
FString PackageName = DestinationPath + TEXT("/") + Name;
// We can not create assets that share the name of a map file in the same location
if(FEditorFileUtils::IsMapPackageAsset(PackageName))
{
const FText Message = FText::Format(LOCTEXT("AssetNameInUseByMap", "You can not create an asset named '{0}' because there is already a map file with this name in this folder."), FText::FromString(Name));
if(!bAutomatedImport)
{
FMessageDialog::Open(EAppMsgType::Ok, Message);
}
UE_LOG(LogAssetTools, Warning, TEXT("%s"), *Message.ToString());
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
continue;
}
UPackage* Pkg = CreatePackage(nullptr, *PackageName);
if(!ensure(Pkg))
{
// Failed to create the package to hold this asset for some reason
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
continue;
}
// Make sure the destination package is loaded
Pkg->FullyLoad();
// Check for an existing object
UObject* ExistingObject = StaticFindObject(UObject::StaticClass(), Pkg, *Name);
if(ExistingObject != nullptr)
{
// If the existing object is one of the imports we've just created we can't replace or overwrite it
if(ReturnObjects.Contains(ExistingObject))
{
if(ImportAssetType == nullptr)
{
// The factory probably supports multiple types and cant be determined yet without asking the user or actually loading it
// We just need to generate an unused name so object should do fine.
ImportAssetType = UObject::StaticClass();
}
// generate a unique name for this import
Name = MakeUniqueObjectName(Pkg, ImportAssetType, *Name).ToString();
}
else
{
// If the object is supported by the factory we are using, ask if we want to overwrite the asset
// Otherwise, prompt to replace the object
if(Factory->DoesSupportClass(ExistingObject->GetClass()))
{
// The factory can overwrite this object, ask if that is okay, unless "Yes To All" or "No To All" was already selected
EAppReturnType::Type UserResponse;
if(bForceOverrideExisting || bOverwriteAll || GIsAutomationTesting)
{
UserResponse = EAppReturnType::YesAll;
}
else if(bDontOverwriteAny)
{
UserResponse = EAppReturnType::NoAll;
}
else
{
UserResponse = FMessageDialog::Open(
EAppMsgType::YesNoYesAllNoAll,
FText::Format(LOCTEXT("ImportObjectAlreadyExists_SameClass", "Do you want to overwrite the existing asset?\n\nAn asset already exists at the import location: {0}"), FText::FromString(PackageName)));
bOverwriteAll = UserResponse == EAppReturnType::YesAll;
bDontOverwriteAny = UserResponse == EAppReturnType::NoAll;
}
const bool bWantOverwrite = UserResponse == EAppReturnType::Yes || UserResponse == EAppReturnType::YesAll;
if(!bWantOverwrite)
{
// User chose not to replace the package
bImportWasCancelled = true;
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
continue;
}
}
else if(!bAutomatedImport)
{
// The factory can't overwrite this asset, ask if we should delete the object then import the new one. Only do this if "Yes To All" or "No To All" was not already selected.
EAppReturnType::Type UserResponse;
if(bReplaceAll)
{
UserResponse = EAppReturnType::YesAll;
}
else if(bDontReplaceAny)
{
UserResponse = EAppReturnType::NoAll;
}
else
{
UserResponse = FMessageDialog::Open(
EAppMsgType::YesNoYesAllNoAll,
FText::Format(LOCTEXT("ImportObjectAlreadyExists_DifferentClass", "Do you want to replace the existing asset?\n\nAn asset already exists at the import location: {0}"), FText::FromString(PackageName)));
bReplaceAll = UserResponse == EAppReturnType::YesAll;
bDontReplaceAny = UserResponse == EAppReturnType::NoAll;
}
const bool bWantReplace = UserResponse == EAppReturnType::Yes || UserResponse == EAppReturnType::YesAll;
if(bWantReplace)
{
// Delete the existing object
int32 NumObjectsDeleted = 0;
TArray< UObject* > ObjectsToDelete;
ObjectsToDelete.Add(ExistingObject);
// If the user forcefully deletes the package, all sorts of things could become invalidated,
// the Pkg pointer might be killed even though it was added to the root.
TWeakObjectPtr<UPackage> WeakPkg(Pkg);
// Dont let the package get garbage collected (just in case we are deleting the last asset in the package)
Pkg->AddToRoot();
NumObjectsDeleted = ObjectTools::DeleteObjects(ObjectsToDelete, /*bShowConfirmation=*/false);
// If the weak package ptr is still valid, it should then be safe to remove it from the root.
if(WeakPkg.IsValid())
{
Pkg->RemoveFromRoot();
}
const FString QualifiedName = PackageName + TEXT(".") + Name;
FText Reason;
if(NumObjectsDeleted == 0 || !IsUniqueObjectName(*QualifiedName, ANY_PACKAGE, Reason))
{
// Original object couldn't be deleted
const FText Message = FText::Format(LOCTEXT("ImportDeleteFailed", "Failed to delete '{0}'. The asset is referenced by other content."), FText::FromString(PackageName));
FMessageDialog::Open(EAppMsgType::Ok, Message);
UE_LOG(LogAssetTools, Warning, TEXT("%s"), *Message.ToString());
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
continue;
}
else
{
// succeed, recreate package since it has been deleted
Pkg = CreatePackage(nullptr, *PackageName);
}
}
else
{
// User chose not to replace the package
bImportWasCancelled = true;
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
continue;
}
}
}
}
// Check for a package that was marked for delete in source control
if(!CheckForDeletedPackage(Pkg))
{
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
continue;
}
Factory->SetAutomatedAssetImportData(Params.ImportData);
ImportAssetType = Factory->ResolveSupportedClass();
UObject* Result = Factory->ImportObject(ImportAssetType, Pkg, FName(*Name), RF_Public | RF_Standalone | RF_Transactional, Filename, nullptr, bImportWasCancelled);
Factory->SetAutomatedAssetImportData(nullptr);
// Do not report any error if the operation was canceled.
if(!bImportWasCancelled)
{
if(Result)
{
ReturnObjects.Add(Result);
// Notify the asset registry
FAssetRegistryModule::AssetCreated(Result);
GEditor->BroadcastObjectReimported(Result);
bImportSucceeded = true;
}
else
{
const FText Message = FText::Format(LOCTEXT("ImportFailed_Generic", "Failed to import '{0}'. Failed to create asset '{1}'.\nPlease see Output Log for details."), FText::FromString(Filename), FText::FromString(PackageName));
if(!bAutomatedImport)
{
FMessageDialog::Open(EAppMsgType::Ok, Message);
}
UE_LOG(LogAssetTools, Warning, TEXT("%s"), *Message.ToString());
}
}
// Refresh the supported class. Some factories (e.g. FBX) only resolve their type after reading the file
ImportAssetType = Factory->ResolveSupportedClass();
OnNewImportRecord(ImportAssetType, FileExtension, bImportSucceeded, bImportWasCancelled, ImportStartTime);
}
else
{
// A factory or extension was not found. The extension warning is above. If a factory was not found, the user likely canceled a factory configuration dialog.
}
}
SlowTask.EnterProgressFrame(1);
// Clean up and remove the factories we created from the root set
for(auto ExtensionIt = ExtensionToFactoriesMap.CreateConstIterator(); ExtensionIt; ++ExtensionIt)
{
for(auto FactoryIt = ExtensionIt.Value().CreateConstIterator(); FactoryIt; ++FactoryIt)
{
(*FactoryIt)->CleanUp();
(*FactoryIt)->RemoveFromRoot();
}
}
// Sync content browser to the newly created assets
if(ReturnObjects.Num() && (bSyncToBrowser != false))
{
FAssetTools::Get().SyncBrowserToAssets(ReturnObjects);
}
return ReturnObjects;
}
FAssetTools& FAssetTools::Get()
{
FAssetToolsModule& Module = FModuleManager::GetModuleChecked<FAssetToolsModule>("AssetTools");
return static_cast<FAssetTools&>(Module.Get());
}
void FAssetTools::SyncBrowserToAssets(const TArray<UObject*>& AssetsToSync)
{
FContentBrowserModule& ContentBrowserModule = FModuleManager::Get().LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
ContentBrowserModule.Get().SyncBrowserToAssets( AssetsToSync, /*bAllowLockedBrowsers=*/true );
}
void FAssetTools::SyncBrowserToAssets(const TArray<FAssetData>& AssetsToSync)
{
FContentBrowserModule& ContentBrowserModule = FModuleManager::Get().LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
ContentBrowserModule.Get().SyncBrowserToAssets( AssetsToSync, /*bAllowLockedBrowsers=*/true );
}
bool FAssetTools::CheckForDeletedPackage(const UPackage* Package) const
{
if ( ISourceControlModule::Get().IsEnabled() )
{
ISourceControlProvider& SourceControlProvider = ISourceControlModule::Get().GetProvider();
if ( SourceControlProvider.IsAvailable() )
{
FSourceControlStatePtr SourceControlState = SourceControlProvider.GetState(Package, EStateCacheUsage::ForceUpdate);
if ( SourceControlState.IsValid() && SourceControlState->IsDeleted() )
{
// Creating an asset in a package that is marked for delete - revert the delete and check out the package
if (!SourceControlProvider.Execute(ISourceControlOperation::Create<FRevert>(), Package))
{
// Failed to revert file which was marked for delete
FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT("RevertDeletedFileFailed", "Failed to revert package which was marked for delete."));
return false;
}
if (!SourceControlProvider.Execute(ISourceControlOperation::Create<FCheckOut>(), Package))
{
// Failed to check out file
FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT("CheckOutFileFailed", "Failed to check out package"));
return false;
}
}
}
else
{
FMessageLog EditorErrors("EditorErrors");
EditorErrors.Warning(LOCTEXT( "DeletingNoSCCConnection", "Could not check for deleted file. No connection to source control available!"));
EditorErrors.Notify();
}
}
return true;
}
bool FAssetTools::CanCreateAsset(const FString& AssetName, const FString& PackageName, const FText& OperationText) const
{
// @todo: These 'reason' messages are not localized strings!
FText Reason;
if (!FName(*AssetName).IsValidObjectName( Reason )
|| !FPackageName::IsValidLongPackageName( PackageName, /*bIncludeReadOnlyRoots=*/false, &Reason ) )
{
FMessageDialog::Open( EAppMsgType::Ok, Reason );
return false;
}
// We can not create assets that share the name of a map file in the same location
if ( FEditorFileUtils::IsMapPackageAsset(PackageName) )
{
FMessageDialog::Open( EAppMsgType::Ok, FText::Format( LOCTEXT("AssetNameInUseByMap", "You can not create an asset named '{0}' because there is already a map file with this name in this folder."), FText::FromString( AssetName ) ) );
return false;
}
// Find (or create!) the desired package for this object
UPackage* Pkg = CreatePackage(nullptr,*PackageName);
// Handle fully loading packages before creating new objects.
TArray<UPackage*> TopLevelPackages;
TopLevelPackages.Add( Pkg );
if( !PackageTools::HandleFullyLoadingPackages( TopLevelPackages, OperationText ) )
{
// User aborted.
return false;
}
// We need to test again after fully loading.
if (!FName(*AssetName).IsValidObjectName( Reason )
|| !FPackageName::IsValidLongPackageName( PackageName, /*bIncludeReadOnlyRoots=*/false, &Reason ) )
{
FMessageDialog::Open( EAppMsgType::Ok, Reason );
return false;
}
// Check for an existing object
UObject* ExistingObject = StaticFindObject( UObject::StaticClass(), Pkg, *AssetName );
if( ExistingObject != nullptr )
{
// Object already exists in either the specified package or another package. Check to see if the user wants
// to replace the object.
bool bWantReplace =
EAppReturnType::Yes == FMessageDialog::Open(
EAppMsgType::YesNo,
FText::Format(
NSLOCTEXT("UnrealEd", "ReplaceExistingObjectInPackage_F", "An object [{0}] of class [{1}] already exists in file [{2}]. Do you want to replace the existing object? If you click 'Yes', the existing object will be deleted. Otherwise, click 'No' and choose a unique name for your new object." ),
FText::FromString(AssetName), FText::FromString(ExistingObject->GetClass()->GetName()), FText::FromString(PackageName) ) );
if( bWantReplace )
{
// Replacing an object. Here we go!
// Delete the existing object
bool bDeleteSucceeded = ObjectTools::DeleteSingleObject( ExistingObject );
if (bDeleteSucceeded)
{
// Force GC so we can cleanly create a new asset (and not do an 'in place' replacement)
CollectGarbage( GARBAGE_COLLECTION_KEEPFLAGS );
// Old package will be GC'ed... create a new one here
Pkg = CreatePackage(nullptr,*PackageName);
}
else
{
// Notify the user that the operation failed b/c the existing asset couldn't be deleted
FMessageDialog::Open( EAppMsgType::Ok, FText::Format( NSLOCTEXT("DlgNewGeneric", "ContentBrowser_CannotDeleteReferenced", "{0} wasn't created.\n\nThe asset is referenced by other content."), FText::FromString( AssetName ) ) );
}
if( !bDeleteSucceeded || !IsUniqueObjectName( *AssetName, Pkg, Reason ) )
{
// Original object couldn't be deleted
return false;
}
}
else
{
// User chose not to replace the object; they'll need to enter a new name
return false;
}
}
// Check for a package that was marked for delete in source control
if ( !CheckForDeletedPackage(Pkg) )
{
return false;
}
return true;
}
void FAssetTools::PerformMigratePackages(TArray<FName> PackageNamesToMigrate) const
{
// Form a full list of packages to move by including the dependencies of the supplied packages
TSet<FName> AllPackageNamesToMove;
{
FScopedSlowTask SlowTask( PackageNamesToMigrate.Num(), LOCTEXT( "MigratePackages_GatheringDependencies", "Gathering Dependencies..." ) );
SlowTask.MakeDialog();
for ( auto PackageIt = PackageNamesToMigrate.CreateConstIterator(); PackageIt; ++PackageIt )
{
SlowTask.EnterProgressFrame();
if ( !AllPackageNamesToMove.Contains(*PackageIt) )
{
AllPackageNamesToMove.Add(*PackageIt);
RecursiveGetDependencies(*PackageIt, AllPackageNamesToMove);
}
}
}
// Confirm that there is at least one package to move
if ( AllPackageNamesToMove.Num() == 0 )
{
FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT("MigratePackages_NoFilesToMove", "No files were found to move"));
return;
}
// Prompt the user displaying all assets that are going to be migrated
{
const FText ReportMessage = LOCTEXT("MigratePackagesReportTitle", "The following assets will be migrated to another content folder.");
TArray<FString> ReportPackageNames;
for ( auto PackageIt = AllPackageNamesToMove.CreateConstIterator(); PackageIt; ++PackageIt )
{
ReportPackageNames.Add((*PackageIt).ToString());
}
SPackageReportDialog::FOnReportConfirmed OnReportConfirmed = SPackageReportDialog::FOnReportConfirmed::CreateRaw(this, &FAssetTools::MigratePackages_ReportConfirmed, ReportPackageNames);
SPackageReportDialog::OpenPackageReportDialog(ReportMessage, ReportPackageNames, OnReportConfirmed);
}
}
void FAssetTools::MigratePackages_ReportConfirmed(TArray<FString> ConfirmedPackageNamesToMigrate) const
{
// Choose a destination folder
IDesktopPlatform* DesktopPlatform = FDesktopPlatformModule::Get();
FString DestinationFolder;
if ( ensure(DesktopPlatform) )
{
const void* ParentWindowWindowHandle = FSlateApplication::Get().FindBestParentWindowHandleForDialogs(nullptr);
const FString Title = LOCTEXT("MigrateToFolderTitle", "Choose a destination Content folder").ToString();
bool bFolderAccepted = false;
while (!bFolderAccepted)
{
const bool bFolderSelected = DesktopPlatform->OpenDirectoryDialog(
ParentWindowWindowHandle,
Title,
FEditorDirectories::Get().GetLastDirectory(ELastDirectory::GENERIC_EXPORT),
DestinationFolder
);
if ( !bFolderSelected )
{
// User canceled, return
return;
}
FEditorDirectories::Get().SetLastDirectory(ELastDirectory::GENERIC_EXPORT, DestinationFolder);
FPaths::NormalizeFilename(DestinationFolder);
if ( !DestinationFolder.EndsWith(TEXT("/")) )
{
DestinationFolder += TEXT("/");
}
// Verify that it is a content folder
if ( DestinationFolder.EndsWith(TEXT("/Content/")) )
{
bFolderAccepted = true;
}
else
{
// The user chose a non-content folder. Confirm that this was their intention.
const FText Message = FText::Format(LOCTEXT("MigratePackages_NonContentFolder", "{0} does not appear to be a game Content folder. Migrated content will only work properly if placed in a Content folder. Would you like to place your content here anyway?"), FText::FromString(DestinationFolder));
EAppReturnType::Type Response = FMessageDialog::Open(EAppMsgType::YesNo, Message);
bFolderAccepted = (Response == EAppReturnType::Yes);
}
}
}
else
{
// Not on a platform that supports desktop functionality
FMessageDialog::Open(EAppMsgType::Ok, LOCTEXT("NoDesktopPlatform", "Error: This platform does not support a file dialog."));
return;
}
bool bUserCanceled = false;
// Copy all specified assets and their dependencies to the destination folder
FScopedSlowTask SlowTask( 2, LOCTEXT( "MigratePackages_CopyingFiles", "Copying Files..." ) );
SlowTask.MakeDialog();
EAppReturnType::Type LastResponse = EAppReturnType::Yes;
TArray<FString> SuccessfullyCopiedFiles;
TArray<FString> SuccessfullyCopiedPackages;
FString CopyErrors;
SlowTask.EnterProgressFrame();
{
FScopedSlowTask LoopProgress(ConfirmedPackageNamesToMigrate.Num());
for ( auto PackageNameIt = ConfirmedPackageNamesToMigrate.CreateConstIterator(); PackageNameIt; ++PackageNameIt )
{
LoopProgress.EnterProgressFrame();
const FString& PackageName = *PackageNameIt;
FString SrcFilename;
if ( !FPackageName::DoesPackageExist(PackageName, nullptr, &SrcFilename) )
{
const FText ErrorMessage = FText::Format(LOCTEXT("MigratePackages_PackageMissing", "{0} does not exist on disk."), FText::FromString(PackageName));
UE_LOG(LogAssetTools, Warning, TEXT("%s"), *ErrorMessage.ToString());
CopyErrors += ErrorMessage.ToString() + LINE_TERMINATOR;
}
else if (SrcFilename.Contains(FPaths::EngineContentDir()))
{
const FString LeafName = SrcFilename.Replace(*FPaths::EngineContentDir(), TEXT("Engine/"));
CopyErrors += FText::Format(LOCTEXT("MigratePackages_EngineContent", "Unable to migrate Engine asset {0}. Engine assets cannot be migrated."), FText::FromString(LeafName)).ToString() + LINE_TERMINATOR;
}
else
{
const FString DestFilename = SrcFilename.Replace(*FPaths::GameContentDir(), *DestinationFolder);
bool bFileOKToCopy = true;
if ( IFileManager::Get().FileSize(*DestFilename) > 0 )
{
// The destination file already exists! Ask the user what to do.
EAppReturnType::Type Response;
if ( LastResponse == EAppReturnType::YesAll || LastResponse == EAppReturnType::NoAll )
{
Response = LastResponse;
}
else
{
const FText Message = FText::Format( LOCTEXT("MigratePackages_AlreadyExists", "An asset already exists at location {0} would you like to overwrite it?"), FText::FromString(DestFilename) );
Response = FMessageDialog::Open( EAppMsgType::YesNoYesAllNoAllCancel, Message );
if ( Response == EAppReturnType::Cancel )
{
// The user chose to cancel mid-operation. Break out.
bUserCanceled = true;
break;
}
LastResponse = Response;
}
const bool bWantOverwrite = Response == EAppReturnType::Yes || Response == EAppReturnType::YesAll;
if( !bWantOverwrite )
{
// User chose not to replace the package
bFileOKToCopy = false;
}
}
if ( bFileOKToCopy )
{
if ( IFileManager::Get().Copy(*DestFilename, *SrcFilename) == COPY_OK )
{
SuccessfullyCopiedPackages.Add(PackageName);
SuccessfullyCopiedFiles.Add(DestFilename);
}
else
{
UE_LOG(LogAssetTools, Warning, TEXT("Failed to copy %s to %s while migrating assets"), *SrcFilename, *DestFilename);
CopyErrors += SrcFilename + LINE_TERMINATOR;
}
}
}
}
}
FString SourceControlErrors;
SlowTask.EnterProgressFrame();
if ( !bUserCanceled && SuccessfullyCopiedFiles.Num() > 0 )
{
// attempt to add files to source control (this can quite easily fail, but if it works it is very useful)
if(GetDefault<UEditorLoadingSavingSettings>()->bSCCAutoAddNewFiles)
{
if(ISourceControlModule::Get().IsEnabled())
{
ISourceControlProvider& SourceControlProvider = ISourceControlModule::Get().GetProvider();
if(SourceControlProvider.Execute(ISourceControlOperation::Create<FMarkForAdd>(), SuccessfullyCopiedFiles) == ECommandResult::Failed)
{
FScopedSlowTask LoopProgress(SuccessfullyCopiedFiles.Num());
for(auto FileIt(SuccessfullyCopiedFiles.CreateConstIterator()); FileIt; FileIt++)
{
LoopProgress.EnterProgressFrame();
if(!SourceControlProvider.GetState(*FileIt, EStateCacheUsage::Use)->IsAdded())
{
SourceControlErrors += FText::Format(LOCTEXT("MigratePackages_SourceControlError", "{0} could not be added to source control"), FText::FromString(*FileIt)).ToString();
SourceControlErrors += LINE_TERMINATOR;
}
}
}
}
}
}
FMessageLog MigrateLog("AssetTools");
FText LogMessage = FText::FromString(TEXT("Content migration completed successfully!"));
EMessageSeverity::Type Severity = EMessageSeverity::Info;
if ( CopyErrors.Len() > 0 || SourceControlErrors.Len() > 0 )
{
FString ErrorMessage;
Severity = EMessageSeverity::Error;
if( CopyErrors.Len() > 0 )
{
MigrateLog.NewPage( LOCTEXT("MigratePackages_CopyErrorsPage", "Copy Errors") );
MigrateLog.Error(FText::FromString(*CopyErrors));
ErrorMessage += FText::Format(LOCTEXT( "MigratePackages_CopyErrors", "Copied {0} files. Some content could not be copied."), FText::AsNumber(SuccessfullyCopiedPackages.Num())).ToString();
}
if( SourceControlErrors.Len() > 0 )
{
MigrateLog.NewPage( LOCTEXT("MigratePackages_SourceControlErrorsListPage", "Source Control Errors") );
MigrateLog.Error(FText::FromString(*SourceControlErrors));
ErrorMessage += LINE_TERMINATOR;
ErrorMessage += LOCTEXT( "MigratePackages_SourceControlErrorsList", "Some files reported source control errors.").ToString();
}
if ( SuccessfullyCopiedPackages.Num() > 0 )
{
MigrateLog.NewPage( LOCTEXT("MigratePackages_CopyErrorsSuccesslistPage", "Copied Successfully") );
MigrateLog.Info(FText::FromString(*SourceControlErrors));
ErrorMessage += LINE_TERMINATOR;
ErrorMessage += LOCTEXT( "MigratePackages_CopyErrorsSuccesslist", "Some files were copied successfully.").ToString();
for ( auto FileIt = SuccessfullyCopiedPackages.CreateConstIterator(); FileIt; ++FileIt )
{
if(FileIt->Len()>0)
{
MigrateLog.Info(FText::FromString(*FileIt));
}
}
}
LogMessage = FText::FromString(ErrorMessage);
}
else if ( !bUserCanceled )
{
MigrateLog.NewPage( LOCTEXT("MigratePackages_CompletePage", "Content migration completed successfully!") );
for ( auto FileIt = SuccessfullyCopiedPackages.CreateConstIterator(); FileIt; ++FileIt )
{
if(FileIt->Len()>0)
{
MigrateLog.Info(FText::FromString(*FileIt));
}
}
}
MigrateLog.Notify(LogMessage, Severity, true);
}
void FAssetTools::RecursiveGetDependencies(const FName& PackageName, TSet<FName>& AllDependencies) const
{
FAssetRegistryModule& AssetRegistryModule = FModuleManager::Get().LoadModuleChecked<FAssetRegistryModule>(TEXT("AssetRegistry"));
TArray<FName> Dependencies;
AssetRegistryModule.Get().GetDependencies(PackageName, Dependencies);
for ( auto DependsIt = Dependencies.CreateConstIterator(); DependsIt; ++DependsIt )
{
if ( !AllDependencies.Contains(*DependsIt) )
{
// @todo Make this skip all packages whose root is different than the source package list root. For now we just skip engine content.
const bool bIsEnginePackage = (*DependsIt).ToString().StartsWith(TEXT("/Engine"));
const bool bIsScriptPackage = (*DependsIt).ToString().StartsWith(TEXT("/Script"));
if ( !bIsEnginePackage && !bIsScriptPackage )
{
AllDependencies.Add(*DependsIt);
RecursiveGetDependencies(*DependsIt, AllDependencies);
}
}
}
}
void FAssetTools::FixupReferencers(const TArray<UObjectRedirector*>& Objects) const
{
AssetFixUpRedirectors->FixupReferencers(Objects);
}
#undef LOCTEXT_NAMESPACE
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