void UUnrealEdEngine::GetPackageList( TArray<UPackage*>* InPackages, UClass* InClass )
{
InPackages->Empty();
for( FObjectIterator It ; It ; ++It )
{
if( It->GetOuter() && It->GetOuter() != GetTransientPackage() )
{
UObject* TopParent = NULL;
if( InClass == NULL || It->IsA( InClass ) )
TopParent = It->GetOutermost();
if( Cast<UPackage>(TopParent) )
InPackages->AddUnique( (UPackage*)TopParent );
}
}
}
int32 UGenerateDistillFileSetsCommandlet::Main( const FString& InParams )
{
// Parse command line.
TArray<FString> Tokens;
TArray<FString> Switches;
UCommandlet::ParseCommandLine(*InParams, Tokens, Switches);
TArray<FString> MapList;
for ( int32 MapIdx = 0; MapIdx < Tokens.Num(); ++MapIdx )
{
const FString& Map = Tokens[MapIdx];
if ( FPackageName::IsShortPackageName(Map) )
{
FString LongPackageName;
if ( FPackageName::SearchForPackageOnDisk(Map, &LongPackageName) )
{
MapList.Add(LongPackageName);
}
else
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Error, TEXT("Unable to find package for map %s."), *Map);
return 1;
}
}
else
{
MapList.Add(Map);
}
}
if ( MapList.Num() <= 0 )
{
// No map tokens were supplied on the command line, so assume all maps
TArray<FString> AllPackageFilenames;
FEditorFileUtils::FindAllPackageFiles(AllPackageFilenames);
for (int32 PackageIndex = 0; PackageIndex < AllPackageFilenames.Num(); PackageIndex++)
{
const FString& Filename = AllPackageFilenames[PackageIndex];
if (FPaths::GetExtension(Filename, true) == FPackageName::GetMapPackageExtension() )
{
FString LongPackageName;
if ( FPackageName::TryConvertFilenameToLongPackageName(Filename, LongPackageName) )
{
// Warn about maps in "NoShip" or "TestMaps" folders. Those should have been filtered out during the Distill process!
if( !Filename.Contains( "/NoShip/") && !Filename.Contains( "/TestMaps/"))
{
// @todo plugins add support for plugins?
if ( LongPackageName.StartsWith(TEXT("/Game")) )
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT( "Discovered map package %s..." ), *LongPackageName );
MapList.Add(LongPackageName);
}
}
else
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT("Skipping map package %s in TestMaps or NoShip folder"), *Filename);
}
}
else
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Warning, TEXT("Failed to determine package name for map file %s."), *Filename);
}
}
}
}
const FString TemplateFileSwitch = TEXT("Template=");
const FString OutputFileSwitch = TEXT("Output=");
const FString TemplateFolderSwitch = TEXT("TemplateFolder=");
const FString OutputFolderSwitch = TEXT("OutputFolder=");
FString TemplateFilename;
FString OutputFilename;
FString TemplateFolder;
FString OutputFolder;
for (int32 SwitchIdx = 0; SwitchIdx < Switches.Num(); ++SwitchIdx)
{
const FString& Switch = Switches[SwitchIdx];
if ( Switch.StartsWith(TemplateFileSwitch) )
{
Switch.Split(TEXT("="), NULL, &TemplateFilename);
}
else if ( Switch.StartsWith(OutputFileSwitch) )
{
Switch.Split(TEXT("="), NULL, &OutputFilename);
}
else if ( Switch.StartsWith(TemplateFolderSwitch) )
{
Switch.Split(TEXT("="), NULL, &TemplateFolder);
FPaths::NormalizeFilename(TemplateFolder);
if ( !TemplateFolder.EndsWith(TEXT("/")) )
{
TemplateFolder += TEXT("/");
}
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT("Using template folder: "), *TemplateFolder);
}
else if ( Switch.StartsWith(OutputFolderSwitch) )
{
Switch.Split(TEXT("="), NULL, &OutputFolder);
FPaths::NormalizeFilename(OutputFolder);
if ( !OutputFolder.EndsWith(TEXT("/")) )
{
OutputFolder += TEXT("/");
}
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT("Using output folder: "), *OutputFolder);
}
}
if ( TemplateFilename.IsEmpty() || OutputFilename.IsEmpty() )
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Error, TEXT("You must supply a -Template=TemplateFilename and -Output=OutputFilename. These files are relative to the Game/Build directory."));
return 1;
}
// If no folder was specified, filenames are relative to the build dir.
if ( TemplateFolder.IsEmpty() )
{
TemplateFolder = FPaths::GameDir() + TEXT("Build/");
}
if ( OutputFolder.IsEmpty() )
{
OutputFolder = FPaths::GameDir() + TEXT("Build/");
}
TemplateFilename = TemplateFolder + TemplateFilename;
OutputFilename = OutputFolder + OutputFilename;
// Load the template file
FString TemplateFileContents;
if ( !FFileHelper::LoadFileToString(TemplateFileContents, *TemplateFilename) )
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Error, TEXT("Failed to load template file '%s'"), *TemplateFilename);
return 1;
}
// Form a full unique package list
TSet<FString> AllPackageNames;
//@todo SLATE: This is a hack to ensure all slate referenced assets get cooked.
// Slate needs to be refactored to properly identify required assets at cook time.
// Simply jamming everything in a given directory into the cook list is error-prone
// on many levels - assets not required getting cooked/shipped; assets not put under
// the correct folder; etc.
{
TArray<FString> UIContentPaths;
if (GConfig->GetArray(TEXT("UI"), TEXT("ContentDirectories"), UIContentPaths, GEditorIni) > 0)
{
for (int32 DirIdx = 0; DirIdx < UIContentPaths.Num(); DirIdx++)
{
FString ContentPath = FPackageName::LongPackageNameToFilename(UIContentPaths[DirIdx]);
TArray<FString> Files;
IFileManager::Get().FindFilesRecursive(Files, *ContentPath, *(FString(TEXT("*")) + FPackageName::GetAssetPackageExtension()), true, false);
for (int32 Index = 0; Index < Files.Num(); Index++)
{
FString StdFile = Files[Index];
FPaths::MakeStandardFilename(StdFile);
StdFile = FPackageName::FilenameToLongPackageName(StdFile);
AllPackageNames.Add(StdFile);
}
}
}
}
// Load all maps
{
for ( auto MapIt = MapList.CreateConstIterator(); MapIt; ++MapIt )
{
const FString& MapPackage = *MapIt;
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT( "Loading %s..." ), *MapPackage );
UPackage* Package = LoadPackage( NULL, *MapPackage, LOAD_None );
if( Package != NULL )
{
AllPackageNames.Add(Package->GetName());
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT( "Finding content referenced by %s..." ), *MapPackage );
for ( FObjectIterator ObjIt; ObjIt; ++ObjIt )
{
AllPackageNames.Add(ObjIt->GetOutermost()->GetName());
}
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT( "Collecting garbage..." ) );
CollectGarbage(RF_Native);
}
}
}
// Sort the results to make it easier to diff files. No necessary but useful sometimes.
TArray<FString> SortedPackageNames = AllPackageNames.Array();
SortedPackageNames.Sort();
// For the list of FileSets to include in the distill
FString AllFileSets;
const FString FileSetPathRoot = TEXT("Content");
for (auto PackageIt = SortedPackageNames.CreateConstIterator(); PackageIt; ++PackageIt)
{
const FString& PackageName = *PackageIt;
// @todo plugins add support for plugins?
if ( PackageName.StartsWith(TEXT("/Game")) )
{
const FString PathWithoutRoot( PackageName.Mid( 5 ) );
const FString FileSetPath = FileSetPathRoot + PathWithoutRoot;
AllFileSets += FString::Printf( TEXT("<FileSet Path=\"%s.*\" bIsRecursive=\"false\"/>") LINE_TERMINATOR, *FileSetPath );
}
}
// Write the output file
FString OutputFileContents = TemplateFileContents.Replace(TEXT("%INSTALLEDCONTENTFILESETS%"), *AllFileSets, ESearchCase::CaseSensitive);
if ( FApp::HasGameName() )
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Display, TEXT( "Replacing %%GAMENAME%% with (%s)..." ), FApp::GetGameName() );
OutputFileContents = OutputFileContents.Replace(TEXT("%GAMENAME%"), FApp::GetGameName(), ESearchCase::CaseSensitive);
}
else
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Warning, TEXT("Failed to replace %%GAMENAME%% since we are running without a game name."));
}
if ( !FFileHelper::SaveStringToFile(OutputFileContents, *OutputFilename) )
{
UE_LOG(LogGenerateDistillFileSetsCommandlet, Error, TEXT("Failed to save output file '%s'"), *OutputFilename);
return 1;
}
return 0;
}
bool EngineUtils::FindOrLoadAssetsByPath(const FString& Path, TArray<UObject*>& OutAssets)
{
if ( !FPackageName::IsValidLongPackageName(Path, true) )
{
return false;
}
// Convert the package path to a filename with no extension (directory)
const FString FilePath = FPackageName::LongPackageNameToFilename(Path);
// Gather the package files in that directory and subdirectories
TArray<FString> Filenames;
FPackageName::FindPackagesInDirectory(Filenames, FilePath);
// Cull out map files
for (int32 FilenameIdx = Filenames.Num() - 1; FilenameIdx >= 0; --FilenameIdx)
{
const FString Extension = FPaths::GetExtension(Filenames[FilenameIdx], true);
if ( Extension == FPackageName::GetMapPackageExtension() )
{
Filenames.RemoveAt(FilenameIdx);
}
}
// Load packages or find existing ones and fully load them
TSet<UPackage*> Packages;
for (int32 FileIdx = 0; FileIdx < Filenames.Num(); ++FileIdx)
{
const FString& Filename = Filenames[FileIdx];
UPackage* Package = FindPackage(NULL, *FPackageName::FilenameToLongPackageName(Filename));
if (Package)
{
Package->FullyLoad();
}
else
{
Package = LoadPackage(NULL, *Filename, LOAD_None);
}
if (Package)
{
Packages.Add(Package);
}
}
// If any packages were successfully loaded, find all assets that were in the packages and add them to OutAssets
if ( Packages.Num() > 0 )
{
for (FObjectIterator ObjIt; ObjIt; ++ObjIt)
{
if ( Packages.Contains(ObjIt->GetOutermost()) && ObjIt->IsAsset() )
{
OutAssets.Add(*ObjIt);
}
}
}
return true;
}
