bool FFeaturePackContentSource::LoadPakFileToBuffer(FPakPlatformFile& PakPlatformFile, FString Path, TArray<uint8>& Buffer)
{
bool bResult = false;
TSharedPtr<IFileHandle> FileHandle(PakPlatformFile.OpenRead(*Path));
if( FileHandle.IsValid())
{
Buffer.AddUninitialized(FileHandle->Size());
bResult = FileHandle->Read(Buffer.GetData(), FileHandle->Size());
}
return bResult;
}
FFeaturePackContentSource::FFeaturePackContentSource(FString InFeaturePackPath)
{
FeaturePackPath = InFeaturePackPath;
bPackValid = false;
// Create a pak platform file and mount the feature pack file.
FPakPlatformFile PakPlatformFile;
FString CommandLine;
PakPlatformFile.Initialize(&FPlatformFileManager::Get().GetPlatformFile(), TEXT(""));
FString MountPoint = "root:/";
PakPlatformFile.Mount(*InFeaturePackPath, 0, *MountPoint);
// Gets the manifest file as a JSon string
TArray<uint8> ManifestBuffer;
if( LoadPakFileToBuffer(PakPlatformFile, FPaths::Combine(*MountPoint, TEXT("manifest.json")), ManifestBuffer) == false )
{
UE_LOG(LogFeaturePack, Warning, TEXT("Error in Feature pack %s. Cannot find manifest."), *InFeaturePackPath);
Category = EContentSourceCategory::Unknown;
return;
}
FString ManifestString;
FFileHelper::BufferToString(ManifestString, ManifestBuffer.GetData(), ManifestBuffer.Num());
// Populate text fields from the manifest.
TSharedPtr<FJsonObject> ManifestObject;
TSharedRef<TJsonReader<>> ManifestReader = TJsonReaderFactory<>::Create(ManifestString);
FJsonSerializer::Deserialize(ManifestReader, ManifestObject);
for (TSharedPtr<FJsonValue> NameValue : ManifestObject->GetArrayField("Name"))
{
TSharedPtr<FJsonObject> LocalizedNameObject = NameValue->AsObject();
LocalizedNames.Add(FLocalizedText(
LocalizedNameObject->GetStringField("Language"),
FText::FromString(LocalizedNameObject->GetStringField("Text"))));
}
for (TSharedPtr<FJsonValue> DescriptionValue : ManifestObject->GetArrayField("Description"))
{
TSharedPtr<FJsonObject> LocalizedDescriptionObject = DescriptionValue->AsObject();
LocalizedDescriptions.Add(FLocalizedText(
LocalizedDescriptionObject->GetStringField("Language"),
FText::FromString(LocalizedDescriptionObject->GetStringField("Text"))));
}
// Parse asset types field
for (TSharedPtr<FJsonValue> AssetTypesValue : ManifestObject->GetArrayField("AssetTypes"))
{
TSharedPtr<FJsonObject> LocalizedAssetTypesObject = AssetTypesValue->AsObject();
LocalizedAssetTypesList.Add(FLocalizedText(
LocalizedAssetTypesObject->GetStringField("Language"),
FText::FromString(LocalizedAssetTypesObject->GetStringField("Text"))));
}
// Parse class types field
ClassTypes = ManifestObject->GetStringField("ClassTypes");
// Parse initial focus asset
FocusAssetIdent = ManifestObject->GetStringField("FocusAsset");
FString CategoryString = ManifestObject->GetStringField("Category");
if (CategoryString == "CodeFeature")
{
Category = EContentSourceCategory::CodeFeature;
}
else if (CategoryString == "BlueprintFeature")
{
Category = EContentSourceCategory::BlueprintFeature;
}
else if (CategoryString == "Content")
{
Category = EContentSourceCategory::Content;
}
else
{
Category = EContentSourceCategory::Unknown;
}
// Load image data
FString IconFilename = ManifestObject->GetStringField("Thumbnail");
TSharedPtr<TArray<uint8>> IconImageData = MakeShareable(new TArray<uint8>());
FString ThumbnailFile = FPaths::Combine(*MountPoint, TEXT("Media"), *IconFilename);
if( LoadPakFileToBuffer(PakPlatformFile, ThumbnailFile, *IconImageData) == true)
{
IconData = MakeShareable(new FImageData(IconFilename, IconImageData));
}
else
{
UE_LOG(LogFeaturePack, Warning, TEXT("Error in Feature pack %s. Cannot find thumbnail %s."), *InFeaturePackPath, *ThumbnailFile );
}
const TArray<TSharedPtr<FJsonValue>> ScreenshotFilenameArray = ManifestObject->GetArrayField("Screenshots");
for (const TSharedPtr<FJsonValue> ScreenshotFilename : ScreenshotFilenameArray)
{
TSharedPtr<TArray<uint8>> SingleScreenshotData = MakeShareable(new TArray<uint8>);
LoadPakFileToBuffer(PakPlatformFile, FPaths::Combine(*MountPoint, TEXT("Media"), *ScreenshotFilename->AsString()), *SingleScreenshotData);
ScreenshotData.Add(MakeShareable(new FImageData(ScreenshotFilename->AsString(), SingleScreenshotData)));
}
bPackValid = true;
}
FFeaturePackContentSource::FFeaturePackContentSource(FString InFeaturePackPath, bool bDontRegisterForSearch)
{
FeaturePackPath = InFeaturePackPath;
bPackValid = false;
// Create a pak platform file and mount the feature pack file.
FPakPlatformFile PakPlatformFile;
FString CommandLine;
PakPlatformFile.Initialize(&FPlatformFileManager::Get().GetPlatformFile(), TEXT(""));
FString MountPoint = "root:/";
PakPlatformFile.Mount(*InFeaturePackPath, 0, *MountPoint);
// Gets the manifest file as a JSon string
TArray<uint8> ManifestBuffer;
if( LoadPakFileToBuffer(PakPlatformFile, FPaths::Combine(*MountPoint, TEXT("manifest.json")), ManifestBuffer) == false )
{
RecordAndLogError( FString::Printf(TEXT("Error in Feature pack %s. Cannot find manifest."), *InFeaturePackPath));
Category = EContentSourceCategory::Unknown;
return;
}
FString ManifestString;
FFileHelper::BufferToString(ManifestString, ManifestBuffer.GetData(), ManifestBuffer.Num());
// Populate text fields from the manifest.
TSharedPtr<FJsonObject> ManifestObject;
TSharedRef<TJsonReader<>> ManifestReader = TJsonReaderFactory<>::Create(ManifestString);
FJsonSerializer::Deserialize(ManifestReader, ManifestObject);
if (ManifestReader->GetErrorMessage().IsEmpty() == false)
{
RecordAndLogError( FString::Printf(TEXT("Error in Feature pack %s. Failed to parse manifest: %s"), *InFeaturePackPath, *ManifestReader->GetErrorMessage()));
Category = EContentSourceCategory::Unknown;
return;
}
TSharedPtr<FString> ManifestObjectErrorMessage;
if (TryValidateManifestObject(ManifestObject, ManifestObjectErrorMessage) == false)
{
RecordAndLogError( FString::Printf(TEXT("Error in Feature pack %s. Manifest object error: %s"), *InFeaturePackPath, **ManifestObjectErrorMessage));
Category = EContentSourceCategory::Unknown;
return;
}
for (TSharedPtr<FJsonValue> NameValue : ManifestObject->GetArrayField("Name"))
{
TSharedPtr<FJsonObject> LocalizedNameObject = NameValue->AsObject();
LocalizedNames.Add(FLocalizedText(
LocalizedNameObject->GetStringField("Language"),
FText::FromString(LocalizedNameObject->GetStringField("Text"))));
}
for (TSharedPtr<FJsonValue> DescriptionValue : ManifestObject->GetArrayField("Description"))
{
TSharedPtr<FJsonObject> LocalizedDescriptionObject = DescriptionValue->AsObject();
LocalizedDescriptions.Add(FLocalizedText(
LocalizedDescriptionObject->GetStringField("Language"),
FText::FromString(LocalizedDescriptionObject->GetStringField("Text"))));
}
// Parse asset types field
for (TSharedPtr<FJsonValue> AssetTypesValue : ManifestObject->GetArrayField("AssetTypes"))
{
TSharedPtr<FJsonObject> LocalizedAssetTypesObject = AssetTypesValue->AsObject();
LocalizedAssetTypesList.Add(FLocalizedText(
LocalizedAssetTypesObject->GetStringField("Language"),
FText::FromString(LocalizedAssetTypesObject->GetStringField("Text"))));
}
// Parse asset types field
if( ManifestObject->HasField("SearchTags")==true)
{
for (TSharedPtr<FJsonValue> AssetTypesValue : ManifestObject->GetArrayField("SearchTags"))
{
TSharedPtr<FJsonObject> LocalizedAssetTypesObject = AssetTypesValue->AsObject();
LocalizedSearchTags.Add(FLocalizedTextArray(
LocalizedAssetTypesObject->GetStringField("Language"),
LocalizedAssetTypesObject->GetStringField("Text")));
}
}
// Parse class types field
ClassTypes = ManifestObject->GetStringField("ClassTypes");
// Parse initial focus asset if we have one - this is not required
if (ManifestObject->HasTypedField<EJson::String>("FocusAsset") == true)
{
FocusAssetIdent = ManifestObject->GetStringField("FocusAsset");
}
// Use the path as the sort key - it will be alphabetical that way
SortKey = FeaturePackPath;
ManifestObject->TryGetStringField("SortKey", SortKey);
FString CategoryString = ManifestObject->GetStringField("Category");
UEnum* Enum = FindObjectChecked<UEnum>(ANY_PACKAGE, TEXT("EContentSourceCategory"));
int32 Index = Enum->FindEnumIndex(FName(*CategoryString));
Category = Index != INDEX_NONE ? (EContentSourceCategory)Index : EContentSourceCategory::Unknown;
// Load image data
FString IconFilename = ManifestObject->GetStringField("Thumbnail");
TSharedPtr<TArray<uint8>> IconImageData = MakeShareable(new TArray<uint8>());
FString ThumbnailFile = FPaths::Combine(*MountPoint, TEXT("Media"), *IconFilename);
if( LoadPakFileToBuffer(PakPlatformFile, ThumbnailFile, *IconImageData) == true)
{
IconData = MakeShareable(new FImageData(IconFilename, IconImageData));
}
else
{
RecordAndLogError( FString::Printf(TEXT("Error in Feature pack %s. Cannot find thumbnail %s."), *InFeaturePackPath, *ThumbnailFile ));
}
const TArray<TSharedPtr<FJsonValue>> ScreenshotFilenameArray = ManifestObject->GetArrayField("Screenshots");
for (const TSharedPtr<FJsonValue> ScreenshotFilename : ScreenshotFilenameArray)
{
TSharedPtr<TArray<uint8>> SingleScreenshotData = MakeShareable(new TArray<uint8>);
if( LoadPakFileToBuffer(PakPlatformFile, FPaths::Combine(*MountPoint, TEXT("Media"), *ScreenshotFilename->AsString()), *SingleScreenshotData) )
{
ScreenshotData.Add(MakeShareable(new FImageData(ScreenshotFilename->AsString(), SingleScreenshotData)));
}
else
{
RecordAndLogError( FString::Printf(TEXT("Error in Feature pack %s. Cannot find screenshot %s."), *InFeaturePackPath, *ScreenshotFilename->AsString() ));
}
}
if( bDontRegisterForSearch == false )
{
FSuperSearchModule& SuperSearchModule = FModuleManager::LoadModuleChecked< FSuperSearchModule >(TEXT("SuperSearch"));
SuperSearchModule.GetActOnSearchTextClicked().AddRaw(this, &FFeaturePackContentSource::HandleActOnSearchText);
SuperSearchModule.GetSearchTextChanged().AddRaw(this, &FFeaturePackContentSource::HandleSuperSearchTextChanged);
}
bPackValid = true;
}
