/**
* Debug spew for components
* @param Object object to dump component spew for
*/
void DumpComponents(UObject *Object)
{
for ( FObjectIterator It; It; ++It )
{
It->UnMark(EObjectMark(OBJECTMARK_TagImp | OBJECTMARK_TagExp));
}
if (FPlatformMisc::IsDebuggerPresent() )
{
// if we have a debugger attached, the watch window won't be able to display the full output if we attempt to log it as a single string
// so pass in GLog instead so that each line is sent separately; this causes the output to have an extra line break between each log statement,
// but at least we'll be able to see the full output in the debugger's watch window
UE_LOG(LogExporter, Log, TEXT("Components for '%s':"), *Object->GetFullName());
ExportProperties( NULL, *GLog, Object->GetClass(), (uint8*)Object, 0, NULL, NULL, Object, PPF_SubobjectsOnly );
UE_LOG(LogExporter, Log, TEXT("<--- DONE!"));
}
else
{
FStringOutputDevice Output;
Output.Logf(TEXT("Components for '%s':\r\n"), *Object->GetFullName());
ExportProperties( NULL, Output, Object->GetClass(), (uint8*)Object, 2, NULL, NULL, Object, PPF_SubobjectsOnly );
Output.Logf(TEXT("<--- DONE!\r\n"));
UE_LOG(LogExporter, Log, TEXT("%s"), *Output);
}
}
/**
* Returns a list of all assets referenced by the specified UObject.
*/
void FFindReferencedAssets::BuildAssetList(UObject *Object, const TArray<UClass*>& IgnoreClasses, const TArray<UObject*>& IgnorePackages, TSet<UObject*>& ReferencedAssets, bool bIncludeDefaultRefs)
{
TArray<FReferencedAssets> LocalReferencers;
// Create a new entry for this actor.
new( LocalReferencers ) FReferencedAssets( Object );
for (FObjectIterator It; It; ++It)
{
// Skip the level, world, and any packages that should be ignored
if ( ShouldSearchForAssets(*It, IgnoreClasses, IgnorePackages, bIncludeDefaultRefs) )
{
It->Mark(OBJECTMARK_TagExp);
}
else
{
It->UnMark(OBJECTMARK_TagExp);
}
}
// Add to the list of referenced assets.
FFindAssetsArchive( Object, LocalReferencers.Last().AssetList, NULL, /*MaxRecursion=*/0, /*bIncludeClasses=*/true, bIncludeDefaultRefs );
ReferencedAssets = LocalReferencers.Last().AssetList;
}
bool UOnlineHotfixManager::HotfixPakIniFile(const FString& FileName)
{
FConfigFile* ConfigFile = GetConfigFile(FileName);
ConfigFile->Combine(FileName);
UE_LOG(LogHotfixManager, Log, TEXT("Hotfix merged INI (%s) found in a PAK file"), *FileName);
FName IniFileName(*FileName, FNAME_Find);
int32 NumObjectsReloaded = 0;
const double StartTime = FPlatformTime::Seconds();
// Now that we have a list of classes to update, we can iterate objects and
// reload if they match the INI file that was changed
for (FObjectIterator It; It; ++It)
{
UClass* Class = It->GetClass();
if (Class->HasAnyClassFlags(CLASS_Config) &&
Class->ClassConfigName == IniFileName)
{
// Force a reload of the config vars
It->ReloadConfig();
NumObjectsReloaded++;
}
}
UE_LOG(LogHotfixManager, Log, TEXT("Updating config from %s took %f seconds reloading %d objects"),
*FileName, FPlatformTime::Seconds() - StartTime, NumObjectsReloaded);
return true;
}
void MarkAllObjects()
{
// Mark all objects so we don't get into an endless recursion
for (FObjectIterator It; It; ++It)
{
It->Mark(OBJECTMARK_TagExp);
}
}
// This is from FArchiveTraceRoute -This only creates object graph of all objects
// This can be used by other classes such as FTraceReferences - trace references of one object
FArchiveObjectGraph::FArchiveObjectGraph(bool IncludeTransients, EObjectFlags KeepFlags)
: CurrentReferencer(NULL),
bIncludeTransients(IncludeTransients),
RequiredFlags(KeepFlags)
{
ArIsObjectReferenceCollector = true;
// ALL objects reference their outers...it's just log spam here
//ArIgnoreOuterRef = true;
TArray<UObject*> RootObjects;
// allocate enough memory for all objects
ObjectGraph.Empty(GetUObjectArray().GetObjectArrayNum());
RootObjects.Empty(GetUObjectArray().GetObjectArrayNum());
// search for objects that have the right flags and add them to the list of objects that we're going to start with
// all other objects need to be tagged so that we can tell whether they've been serialized or not.
for( FObjectIterator It; It; ++It )
{
UObject* CurrentObject = *It;
if ( CurrentObject->HasAnyFlags(RequiredFlags) )
{
// make sure it isn't tagged
// ASKRON: WHY do we need this?
CurrentObject->UnMark(OBJECTMARK_TagExp);
RootObjects.Add(CurrentObject);
ObjectGraph.Add(CurrentObject, new FObjectGraphNode(CurrentObject));
}
else
{
// ASKRON: WHY do we need this?
CurrentObject->Mark(OBJECTMARK_TagExp);
}
}
// Populate the ObjectGraph - this serializes our root set to map out the relationships between all rooted objects
GenerateObjectGraph(RootObjects);
// we won't be adding any additional objects for the arrays and graphs, so free up any memory not being used.
RootObjects.Shrink();
ObjectGraph.Shrink();
// we're done with serialization; clear the tags so that we don't interfere with anything else
for( FObjectIterator It; It; ++It )
{
It->UnMark(OBJECTMARK_TagExp);
}
}
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 );
}
}
}
/**
* prefilter shader for suspension raycasts
*/
static PxQueryHitType::Enum WheelRaycastPreFilter(
PxFilterData SuspensionData,
PxFilterData HitData,
const void* constantBlock, PxU32 constantBlockSize,
PxHitFlags& filterFlags)
{
// SuspensionData is the vehicle suspension raycast.
// HitData is the shape potentially hit by the raycast.
// don't collide with owner chassis
if ( SuspensionData.word0 == HitData.word0 )
{
return PxSceneQueryHitType::eNONE;
}
// collision channels filter
ECollisionChannel SuspensionChannel = (ECollisionChannel)(SuspensionData.word3 >> 24);
if ( ECC_TO_BITFIELD(SuspensionChannel) & HitData.word1)
{
// debug what object we hit
if ( false )
{
for ( FObjectIterator It; It; ++It )
{
if ( It->GetUniqueID() == HitData.word0 )
{
UObject* HitObj = *It;
FString HitObjName = HitObj->GetName();
break;
}
}
}
return PxSceneQueryHitType::eBLOCK;
}
return PxSceneQueryHitType::eNONE;
}
void FEnumEditorUtils::BroadcastChanges(const UUserDefinedEnum* Enum, const TArray<TPair<FName, int8>>& OldNames, bool bResolveData)
{
check(NULL != Enum);
if (bResolveData)
{
FArchiveEnumeratorResolver EnumeratorResolver(Enum, OldNames);
TArray<UClass*> ClassesToCheck;
for (TObjectIterator<UByteProperty> PropertyIter; PropertyIter; ++PropertyIter)
{
const UByteProperty* ByteProperty = *PropertyIter;
if (ByteProperty && (Enum == ByteProperty->GetIntPropertyEnum()))
{
UClass* OwnerClass = ByteProperty->GetOwnerClass();
if (OwnerClass)
{
ClassesToCheck.Add(OwnerClass);
}
}
}
for (FObjectIterator ObjIter; ObjIter; ++ObjIter)
{
for (auto ClassIter = ClassesToCheck.CreateConstIterator(); ClassIter; ++ClassIter)
{
if (ObjIter->IsA(*ClassIter))
{
ObjIter->Serialize(EnumeratorResolver);
break;
}
}
}
}
struct FNodeValidatorHelper
{
static bool IsValid(UK2Node* Node)
{
return Node
&& (NULL != Cast<UEdGraph>(Node->GetOuter()))
&& !Node->HasAnyFlags(RF_Transient | RF_PendingKill);
}
};
TSet<UBlueprint*> BlueprintsToRefresh;
{
//CUSTOM NODES DEPENTENT ON ENUM
for (TObjectIterator<UK2Node> It(RF_Transient); It; ++It)
{
UK2Node* Node = *It;
INodeDependingOnEnumInterface* NodeDependingOnEnum = Cast<INodeDependingOnEnumInterface>(Node);
if (FNodeValidatorHelper::IsValid(Node) && NodeDependingOnEnum && (Enum == NodeDependingOnEnum->GetEnum()))
{
if (UBlueprint* Blueprint = Node->GetBlueprint())
{
if (NodeDependingOnEnum->ShouldBeReconstructedAfterEnumChanged())
{
Node->ReconstructNode();
}
BlueprintsToRefresh.Add(Blueprint);
}
}
}
}
for (TObjectIterator<UEdGraphPin> It(RF_Transient); It; ++It)
{
UEdGraphPin* Pin = *It;
if (Pin && (Enum == Pin->PinType.PinSubCategoryObject.Get()) && (EEdGraphPinDirection::EGPD_Input == Pin->Direction))
{
UK2Node* Node = Cast<UK2Node>(Pin->GetOuter());
if (FNodeValidatorHelper::IsValid(Node))
{
if (UBlueprint* Blueprint = Node->GetBlueprint())
{
if (INDEX_NONE == Enum->FindEnumIndex(*Pin->DefaultValue))
{
Pin->Modify();
if (Blueprint->BlueprintType == BPTYPE_Interface)
{
Pin->DefaultValue = Enum->GetEnumName(0);
}
else
{
Pin->DefaultValue = FEnumEditorUtilsHelper::InvalidName();
}
Node->PinDefaultValueChanged(Pin);
BlueprintsToRefresh.Add(Blueprint);
}
}
}
}
}
for (auto It = BlueprintsToRefresh.CreateIterator(); It; ++It)
{
FBlueprintEditorUtils::MarkBlueprintAsModified(*It);
(*It)->BroadcastChanged();
}
FEnumEditorManager::Get().PostChange(Enum, EEnumEditorChangeInfo::Changed);
}
/**
* Builds a list of assets to display from the currently selected actors.
* NOTE: It ignores assets that are there because they are always loaded
* such as default materials, textures, etc.
*/
void BuildAssetList(UWorld* InWorld, int32 Depth, bool bShowDefault, bool bShowScript)
{
// Clear the old list
Referencers.Empty();
ReferenceGraph.Empty();
ObjectNameCache.Empty();
TArray<UObject*> BspMats;
// Search all BSP surfaces for ones that are selected and add their
// Materials to a temp list
for (int32 Index = 0; Index < InWorld->GetModel()->Surfs.Num(); Index++)
{
// Only add materials that are selected
if (InWorld->GetModel()->Surfs[Index].PolyFlags & PF_Selected)
{
// No point showing the default material
if (InWorld->GetModel()->Surfs[Index].Material != NULL)
{
BspMats.AddUnique(InWorld->GetModel()->Surfs[Index].Material);
}
}
}
// If any BSP surfaces are selected
if (BspMats.Num() > 0)
{
FReferencedAssets* Referencer = new(Referencers) FReferencedAssets(InWorld->GetModel());
// Now copy the array
Referencer->AssetList = BspMats;
ReferenceGraph.Add(InWorld->GetModel(), BspMats);
}
// This is the maximum depth to use when searching for references
const int32 MaxRecursionDepth = Depth;
USelection* ActorSelection = GEditor->GetSelectedActors();
// Mark all objects so we don't get into an endless recursion
for (FObjectIterator It; It; ++It)
{
// Skip the level, world, and any packages that should be ignored
if (ShouldSearchForAssets(*It, IgnoreClasses, IgnorePackages, bShowDefault))
{
It->Mark(OBJECTMARK_TagExp);
}
else
{
It->UnMark(OBJECTMARK_TagExp);
}
}
TArray<AActor*> SelectedActors;
// Get the list of currently selected actors
ActorSelection->GetSelectedObjects<AActor>(SelectedActors);
// Build the list of assets from the set of selected actors
for (int32 Index = 0; Index < SelectedActors.Num(); Index++)
{
// Set the flag for the selected item, as it could have actually been cleared by an
// earlier selected object, which would result in a crash later
SelectedActors[Index]->Mark(OBJECTMARK_TagExp);
// Create a new entry for this actor
FReferencedAssets* Referencer = new(Referencers) FReferencedAssets(SelectedActors[Index]);
// Add to the list of referenced assets
FFindAssetsArchive(SelectedActors[Index], Referencer->AssetList, &ReferenceGraph, MaxRecursionDepth, bShowScript, bShowDefault);
}
// Rebuild the name cache
for (int32 RefIndex = 0; RefIndex < Referencers.Num(); RefIndex++)
{
FReferencedAssets& Referencer = Referencers[RefIndex];
if (!ObjectNameCache.Contains(Referencer.Referencer))
{
ObjectNameCache.Add(Referencer.Referencer, *Referencer.Referencer->GetName());
}
for (int32 AssetIndex = 0; AssetIndex < Referencer.AssetList.Num(); AssetIndex++)
{
if (!ObjectNameCache.Contains(Referencer.AssetList[AssetIndex]))
{
ObjectNameCache.Add(Referencer.AssetList[AssetIndex], *Referencer.AssetList[AssetIndex]->GetName());
}
}
}
}
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;
}
bool UOnlineHotfixManager::HotfixIniFile(const FString& FileName, const FString& IniData)
{
FConfigFile* ConfigFile = GetConfigFile(FileName);
// Merge the string into the config file
ConfigFile->CombineFromBuffer(IniData);
TArray<UClass*> Classes;
TArray<UObject*> PerObjectConfigObjects;
int32 StartIndex = 0;
int32 EndIndex = 0;
// Find the set of object classes that were affected
while (StartIndex >= 0 && StartIndex < IniData.Len() && EndIndex >= StartIndex)
{
// Find the next section header
StartIndex = IniData.Find(TEXT("["), ESearchCase::IgnoreCase, ESearchDir::FromStart, StartIndex);
if (StartIndex > -1)
{
// Find the ending section identifier
EndIndex = IniData.Find(TEXT("]"), ESearchCase::IgnoreCase, ESearchDir::FromStart, StartIndex);
if (EndIndex > StartIndex)
{
int32 PerObjectNameIndex = IniData.Find(TEXT(" "), ESearchCase::IgnoreCase, ESearchDir::FromStart, StartIndex);
// Per object config entries will have a space in the name, but classes won't
if (PerObjectNameIndex == -1 || PerObjectNameIndex > EndIndex)
{
if (IniData.StartsWith(TEXT("[/Script/"), ESearchCase::IgnoreCase))
{
const int32 ScriptSectionTag = 9;
// Snip the text out and try to find the class for that
const FString PackageClassName = IniData.Mid(StartIndex + ScriptSectionTag, EndIndex - StartIndex - ScriptSectionTag);
// Find the class for this so we know what to update
UClass* Class = FindObject<UClass>(nullptr, *PackageClassName, true);
if (Class)
{
// Add this to the list to check against
Classes.Add(Class);
}
}
}
// Handle the per object config case by finding the object for reload
else
{
const int32 Count = PerObjectNameIndex - StartIndex - 1;
const FString PerObjectName = IniData.Mid(StartIndex + 1, Count);
// Explicitly search the transient package (won't update non-transient objects)
UObject* PerObject = FindObject<UObject>(ANY_PACKAGE, *PerObjectName, false);
if (PerObject != nullptr)
{
PerObjectConfigObjects.Add(PerObject);
}
}
StartIndex = EndIndex;
}
}
}
int32 NumObjectsReloaded = 0;
const double StartTime = FPlatformTime::Seconds();
if (Classes.Num())
{
// Now that we have a list of classes to update, we can iterate objects and reload
for (FObjectIterator It; It; ++It)
{
UClass* Class = It->GetClass();
if (Class->HasAnyClassFlags(CLASS_Config))
{
// Check to see if this class is in our list (yes, potentially n^2, but not in practice)
for (int32 ClassIndex = 0; ClassIndex < Classes.Num(); ClassIndex++)
{
if (It->IsA(Classes[ClassIndex]))
{
// Force a reload of the config vars
It->ReloadConfig();
NumObjectsReloaded++;
break;
}
}
}
}
}
// Reload any PerObjectConfig objects that were affected
for (auto ReloadObject : PerObjectConfigObjects)
{
ReloadObject->ReloadConfig();
NumObjectsReloaded++;
}
UE_LOG(LogHotfixManager, Log, TEXT("Updating config from %s took %f seconds and reloaded %d objects"),
*FileName, FPlatformTime::Seconds() - StartTime, NumObjectsReloaded);
return true;
}