/// <summary>
/// Constructs a ModuleDescriptor from a Json object
/// </summary>
/// <param name="InObject"></param>
/// <returns>The new module descriptor</returns>
public static ModuleDescriptor FromJsonObject(JsonObject InObject)
{
ModuleDescriptor Module = new ModuleDescriptor(InObject.GetStringField("Name"), InObject.GetEnumField<ModuleHostType>("Type"));
ModuleLoadingPhase LoadingPhase;
if (InObject.TryGetEnumField<ModuleLoadingPhase>("LoadingPhase", out LoadingPhase))
{
Module.LoadingPhase = LoadingPhase;
}
UnrealTargetPlatform[] WhitelistPlatforms;
if (InObject.TryGetEnumArrayField<UnrealTargetPlatform>("WhitelistPlatforms", out WhitelistPlatforms))
{
Module.WhitelistPlatforms = WhitelistPlatforms;
}
UnrealTargetPlatform[] BlacklistPlatforms;
if (InObject.TryGetEnumArrayField<UnrealTargetPlatform>("BlacklistPlatforms", out BlacklistPlatforms))
{
Module.BlacklistPlatforms = BlacklistPlatforms;
}
string[] AdditionalDependencies;
if (InObject.TryGetStringArrayField("AdditionalDependencies", out AdditionalDependencies))
{
Module.AdditionalDependencies = AdditionalDependencies;
}
return Module;
}
public static UEBuildModuleType GetModuleTypeFromDescriptor(ModuleDescriptor Module)
{
switch (Module.Type)
{
case ModuleHostType.Developer:
return UEBuildModuleType.Developer;
case ModuleHostType.Editor:
case ModuleHostType.EditorNoCommandlet:
return UEBuildModuleType.Editor;
case ModuleHostType.Program:
return UEBuildModuleType.Program;
case ModuleHostType.Runtime:
case ModuleHostType.RuntimeNoCommandlet:
return UEBuildModuleType.Runtime;
default:
throw new BuildException("Unhandled module type {0}", Module.Type.ToString());
}
}
/// <summary>
/// Saves the descriptor to disk
/// </summary>
/// <param name="FileName">The filename to write to</param>
public void Save(string FileName)
{
using (JsonWriter Writer = new JsonWriter(FileName))
{
Writer.WriteObjectStart();
Writer.WriteValue("FileVersion", (int)ProjectDescriptorVersion.Latest);
Writer.WriteValue("Version", Version);
Writer.WriteValue("VersionName", VersionName);
Writer.WriteValue("FriendlyName", FriendlyName);
Writer.WriteValue("Description", Description);
Writer.WriteValue("Category", Category);
Writer.WriteValue("CreatedBy", CreatedBy);
Writer.WriteValue("CreatedByURL", CreatedByURL);
Writer.WriteValue("DocsURL", DocsURL);
Writer.WriteValue("MarketplaceURL", MarketplaceURL);
Writer.WriteValue("SupportURL", SupportURL);
Writer.WriteValue("EnabledByDefault", bEnabledByDefault);
Writer.WriteValue("CanContainContent", bCanContainContent);
Writer.WriteValue("IsBetaVersion", bIsBetaVersion);
Writer.WriteValue("Installed", bInstalled);
Writer.WriteValue("RequiresBuildPlatform", bRequiresBuildPlatform);
ModuleDescriptor.WriteArray(Writer, "Modules", Modules);
if (PreBuildSteps != null)
{
PreBuildSteps.Write(Writer, "PreBuildSteps");
}
if (PostBuildSteps != null)
{
PostBuildSteps.Write(Writer, "PostBuildSteps");
}
Writer.WriteObjectEnd();
}
}
/// <summary>
/// Write an array of module descriptors
/// </summary>
/// <param name="Writer">The Json writer to output to</param>
/// <param name="Name">Name of the array</param>
/// <param name="Modules">Array of modules</param>
public static void WriteArray(JsonWriter Writer, string Name, ModuleDescriptor[] Modules)
{
if (Modules.Length > 0)
{
Writer.WriteArrayStart(Name);
foreach (ModuleDescriptor Module in Modules)
{
Module.Write(Writer);
}
Writer.WriteArrayEnd();
}
}
/// <summary>
/// Writes the plugin descriptor to an existing Json writer
/// </summary>
/// <param name="Writer">The writer to receive plugin data</param>
public void Write(JsonWriter Writer)
{
Writer.WriteValue("FileVersion", (int)ProjectDescriptorVersion.Latest);
Writer.WriteValue("Version", Version);
Writer.WriteValue("VersionName", VersionName);
Writer.WriteValue("FriendlyName", FriendlyName);
Writer.WriteValue("Description", Description);
Writer.WriteValue("Category", Category);
Writer.WriteValue("CreatedBy", CreatedBy);
Writer.WriteValue("CreatedByURL", CreatedByURL);
Writer.WriteValue("DocsURL", DocsURL);
Writer.WriteValue("MarketplaceURL", MarketplaceURL);
Writer.WriteValue("SupportURL", SupportURL);
if (!String.IsNullOrEmpty(EngineVersion))
{
Writer.WriteValue("EngineVersion", EngineVersion);
}
if (bEnabledByDefault.HasValue)
{
Writer.WriteValue("EnabledByDefault", bEnabledByDefault.Value);
}
Writer.WriteValue("CanContainContent", bCanContainContent);
if (bIsBetaVersion)
{
Writer.WriteValue("IsBetaVersion", bIsBetaVersion);
}
if (bInstalled)
{
Writer.WriteValue("Installed", bInstalled);
}
if (bRequiresBuildPlatform)
{
Writer.WriteValue("RequiresBuildPlatform", bRequiresBuildPlatform);
}
if (SupportedTargetPlatforms != null && SupportedTargetPlatforms.Length > 0)
{
Writer.WriteEnumArrayField <UnrealTargetPlatform>("SupportedTargetPlatforms", SupportedTargetPlatforms);
}
if (SupportedPrograms != null && SupportedPrograms.Length > 0)
{
Writer.WriteStringArrayField("SupportedPrograms", SupportedPrograms);
}
ModuleDescriptor.WriteArray(Writer, "Modules", Modules);
LocalizationTargetDescriptor.WriteArray(Writer, "LocalizationTargets", LocalizationTargets);
if (PreBuildSteps != null)
{
PreBuildSteps.Write(Writer, "PreBuildSteps");
}
if (PostBuildSteps != null)
{
PostBuildSteps.Write(Writer, "PostBuildSteps");
}
PluginReferenceDescriptor.WriteArray(Writer, "Plugins", Plugins);
}
/// <summary>
/// Reads a plugin descriptor from a json object
/// </summary>
/// <param name="RawObject">The object to read from</param>
/// <returns>New plugin descriptor</returns>
public PluginDescriptor(JsonObject RawObject)
{
// Read the version
if (!RawObject.TryGetIntegerField("FileVersion", out FileVersion))
{
if (!RawObject.TryGetIntegerField("PluginFileVersion", out FileVersion))
{
throw new BuildException("Plugin descriptor does not contain a valid FileVersion entry");
}
}
// Check it's not newer than the latest version we can parse
if (FileVersion > (int)PluginDescriptorVersion.Latest)
{
throw new BuildException("Plugin descriptor appears to be in a newer version ({0}) of the file format that we can load (max version: {1}).", FileVersion, (int)PluginDescriptorVersion.Latest);
}
// Read the other fields
RawObject.TryGetIntegerField("Version", out Version);
RawObject.TryGetStringField("VersionName", out VersionName);
RawObject.TryGetStringField("FriendlyName", out FriendlyName);
RawObject.TryGetStringField("Description", out Description);
if (!RawObject.TryGetStringField("Category", out Category))
{
// Category used to be called CategoryPath in .uplugin files
RawObject.TryGetStringField("CategoryPath", out Category);
}
// Due to a difference in command line parsing between Windows and Mac, we shipped a few Mac samples containing
// a category name with escaped quotes. Remove them here to make sure we can list them in the right category.
if (Category != null && Category.Length >= 2 && Category.StartsWith("\"") && Category.EndsWith("\""))
{
Category = Category.Substring(1, Category.Length - 2);
}
RawObject.TryGetStringField("CreatedBy", out CreatedBy);
RawObject.TryGetStringField("CreatedByURL", out CreatedByURL);
RawObject.TryGetStringField("DocsURL", out DocsURL);
RawObject.TryGetStringField("MarketplaceURL", out MarketplaceURL);
RawObject.TryGetStringField("SupportURL", out SupportURL);
RawObject.TryGetStringField("EngineVersion", out EngineVersion);
RawObject.TryGetEnumArrayField <UnrealTargetPlatform>("SupportedTargetPlatforms", out SupportedTargetPlatforms);
RawObject.TryGetStringArrayField("SupportedPrograms", out SupportedPrograms);
JsonObject[] ModulesArray;
if (RawObject.TryGetObjectArrayField("Modules", out ModulesArray))
{
Modules = Array.ConvertAll(ModulesArray, x => ModuleDescriptor.FromJsonObject(x));
}
JsonObject[] LocalizationTargetsArray;
if (RawObject.TryGetObjectArrayField("LocalizationTargets", out LocalizationTargetsArray))
{
LocalizationTargets = Array.ConvertAll(LocalizationTargetsArray, x => LocalizationTargetDescriptor.FromJsonObject(x));
}
bool bEnabledByDefaultValue;
if (RawObject.TryGetBoolField("EnabledByDefault", out bEnabledByDefaultValue))
{
bEnabledByDefault = bEnabledByDefaultValue;
}
RawObject.TryGetBoolField("CanContainContent", out bCanContainContent);
RawObject.TryGetBoolField("IsBetaVersion", out bIsBetaVersion);
RawObject.TryGetBoolField("Installed", out bInstalled);
bool bCanBeUsedWithUnrealHeaderTool;
if (RawObject.TryGetBoolField("CanBeUsedWithUnrealHeaderTool", out bCanBeUsedWithUnrealHeaderTool) && bCanBeUsedWithUnrealHeaderTool)
{
Array.Resize(ref SupportedPrograms, (SupportedPrograms == null)? 1 : SupportedPrograms.Length + 1);
SupportedPrograms[SupportedPrograms.Length - 1] = "UnrealHeaderTool";
}
RawObject.TryGetBoolField("RequiresBuildPlatform", out bRequiresBuildPlatform);
CustomBuildSteps.TryRead(RawObject, "PreBuildSteps", out PreBuildSteps);
CustomBuildSteps.TryRead(RawObject, "PostBuildSteps", out PostBuildSteps);
JsonObject[] PluginsArray;
if (RawObject.TryGetObjectArrayField("Plugins", out PluginsArray))
{
Plugins = Array.ConvertAll(PluginsArray, x => PluginReferenceDescriptor.FromJsonObject(x));
}
}
/// <summary>
/// Creates a plugin descriptor from a file on disk
/// </summary>
/// <param name="FileName">The filename to read</param>
/// <param name="bPluginTypeEnabledByDefault">Whether this plugin should be enabled by default based on its location</param>
/// <returns>New plugin descriptor</returns>
public static PluginDescriptor FromFile(FileReference FileName, bool bPluginTypeEnabledByDefault)
{
JsonObject RawObject = JsonObject.Read(FileName.FullName);
try
{
PluginDescriptor Descriptor = new PluginDescriptor();
// Read the version
if (!RawObject.TryGetIntegerField("FileVersion", out Descriptor.FileVersion))
{
if (!RawObject.TryGetIntegerField("PluginFileVersion", out Descriptor.FileVersion))
{
throw new BuildException("Plugin descriptor file '{0}' does not contain a valid FileVersion entry", FileName);
}
}
// Check it's not newer than the latest version we can parse
if (Descriptor.FileVersion > (int)PluginDescriptorVersion.Latest)
{
throw new BuildException("Plugin descriptor file '{0}' appears to be in a newer version ({1}) of the file format that we can load (max version: {2}).", FileName, Descriptor.FileVersion, (int)PluginDescriptorVersion.Latest);
}
// Read the other fields
RawObject.TryGetIntegerField("Version", out Descriptor.Version);
RawObject.TryGetStringField("VersionName", out Descriptor.VersionName);
RawObject.TryGetStringField("FriendlyName", out Descriptor.FriendlyName);
RawObject.TryGetStringField("Description", out Descriptor.Description);
if (!RawObject.TryGetStringField("Category", out Descriptor.Category))
{
// Category used to be called CategoryPath in .uplugin files
RawObject.TryGetStringField("CategoryPath", out Descriptor.Category);
}
// Due to a difference in command line parsing between Windows and Mac, we shipped a few Mac samples containing
// a category name with escaped quotes. Remove them here to make sure we can list them in the right category.
if (Descriptor.Category != null && Descriptor.Category.Length >= 2 && Descriptor.Category.StartsWith("\"") && Descriptor.Category.EndsWith("\""))
{
Descriptor.Category = Descriptor.Category.Substring(1, Descriptor.Category.Length - 2);
}
RawObject.TryGetStringField("CreatedBy", out Descriptor.CreatedBy);
RawObject.TryGetStringField("CreatedByURL", out Descriptor.CreatedByURL);
RawObject.TryGetStringField("DocsURL", out Descriptor.DocsURL);
RawObject.TryGetStringField("MarketplaceURL", out Descriptor.MarketplaceURL);
RawObject.TryGetStringField("SupportURL", out Descriptor.SupportURL);
RawObject.TryGetIntegerField("CompatibleChangelist", out Descriptor.CompatibleChangelist);
JsonObject[] ModulesArray;
if (RawObject.TryGetObjectArrayField("Modules", out ModulesArray))
{
Descriptor.Modules = Array.ConvertAll(ModulesArray, x => ModuleDescriptor.FromJsonObject(x));
}
JsonObject[] LocalizationTargetsArray;
if (RawObject.TryGetObjectArrayField("LocalizationTargets", out LocalizationTargetsArray))
{
Descriptor.LocalizationTargets = Array.ConvertAll(LocalizationTargetsArray, x => LocalizationTargetDescriptor.FromJsonObject(x));
}
if (!RawObject.TryGetBoolField("EnabledByDefault", out Descriptor.bEnabledByDefault))
{
Descriptor.bEnabledByDefault = bPluginTypeEnabledByDefault;
}
RawObject.TryGetBoolField("CanContainContent", out Descriptor.bCanContainContent);
RawObject.TryGetBoolField("IsBetaVersion", out Descriptor.bIsBetaVersion);
RawObject.TryGetBoolField("IsMod", out Descriptor.bIsMod);
RawObject.TryGetBoolField("Installed", out Descriptor.bInstalled);
RawObject.TryGetBoolField("CanBeUsedWithUnrealHeaderTool", out Descriptor.bCanBeUsedWithUnrealHeaderTool);
RawObject.TryGetBoolField("RequiresBuildPlatform", out Descriptor.bRequiresBuildPlatform);
CustomBuildSteps.TryRead(RawObject, "PreBuildSteps", out Descriptor.PreBuildSteps);
CustomBuildSteps.TryRead(RawObject, "PostBuildSteps", out Descriptor.PostBuildSteps);
return(Descriptor);
}
catch (JsonParseException ParseException)
{
throw new JsonParseException("{0} (in {1})", ParseException.Message, FileName);
}
}
/// <summary>
/// Constructs a ModuleDescriptor from a Json object
/// </summary>
/// <param name="InObject"></param>
/// <returns>The new module descriptor</returns>
public static ModuleDescriptor FromJsonObject(JsonObject InObject)
{
ModuleDescriptor Module = new ModuleDescriptor(InObject.GetStringField("Name"), InObject.GetEnumField <ModuleHostType>("Type"));
ModuleLoadingPhase LoadingPhase;
if (InObject.TryGetEnumField <ModuleLoadingPhase>("LoadingPhase", out LoadingPhase))
{
Module.LoadingPhase = LoadingPhase;
}
UnrealTargetPlatform[] WhitelistPlatforms;
if (InObject.TryGetEnumArrayField <UnrealTargetPlatform>("WhitelistPlatforms", out WhitelistPlatforms))
{
Module.WhitelistPlatforms = WhitelistPlatforms;
}
UnrealTargetPlatform[] BlacklistPlatforms;
if (InObject.TryGetEnumArrayField <UnrealTargetPlatform>("BlacklistPlatforms", out BlacklistPlatforms))
{
Module.BlacklistPlatforms = BlacklistPlatforms;
}
TargetType[] WhitelistTargets;
if (InObject.TryGetEnumArrayField <TargetType>("WhitelistTargets", out WhitelistTargets))
{
Module.WhitelistTargets = WhitelistTargets;
}
TargetType[] BlacklistTargets;
if (InObject.TryGetEnumArrayField <TargetType>("BlacklistTargets", out BlacklistTargets))
{
Module.BlacklistTargets = BlacklistTargets;
}
UnrealTargetConfiguration[] WhitelistTargetConfigurations;
if (InObject.TryGetEnumArrayField <UnrealTargetConfiguration>("WhitelistTargetConfigurations", out WhitelistTargetConfigurations))
{
Module.WhitelistTargetConfigurations = WhitelistTargetConfigurations;
}
UnrealTargetConfiguration[] BlacklistTargetConfigurations;
if (InObject.TryGetEnumArrayField <UnrealTargetConfiguration>("BlacklistTargetConfigurations", out BlacklistTargetConfigurations))
{
Module.BlacklistTargetConfigurations = BlacklistTargetConfigurations;
}
string[] WhitelistPrograms;
if (InObject.TryGetStringArrayField("WhitelistPrograms", out WhitelistPrograms))
{
Module.WhitelistPrograms = WhitelistPrograms;
}
string[] BlacklistPrograms;
if (InObject.TryGetStringArrayField("BlacklistPrograms", out BlacklistPrograms))
{
Module.BlacklistPrograms = BlacklistPrograms;
}
string[] AdditionalDependencies;
if (InObject.TryGetStringArrayField("AdditionalDependencies", out AdditionalDependencies))
{
Module.AdditionalDependencies = AdditionalDependencies;
}
return(Module);
}
/// <summary>
/// Attempt to merge a child plugin up into a parent plugin (via file naming scheme). Very little merging happens
/// but it does allow for platform extensions to extend a plugin with module files
/// </summary>
/// <param name="Child">Child plugin that needs to merge to a main, parent plugin</param>
/// <param name="Filename">Child plugin's filename, used to determine the parent's name</param>
private static void TryMergeWithParent(PluginInfo Child, FileReference Filename)
{
// find the parent
PluginInfo Parent = null;
string[] Tokens = Filename.GetFileNameWithoutAnyExtensions().Split("_".ToCharArray());
if (Tokens.Length == 2)
{
string ParentPluginName = Tokens[0];
foreach (KeyValuePair <DirectoryReference, List <PluginInfo> > Pair in PluginInfoCache)
{
Parent = Pair.Value.FirstOrDefault(x => x.Name.Equals(ParentPluginName, StringComparison.InvariantCultureIgnoreCase));
if (Parent != null)
{
break;
}
}
}
// did we find a parent plugin?
if (Parent == null)
{
throw new BuildException("Child plugin {0} was not named properly. It should be in the form <ParentPlugin>_<Platform>.uplugin", Filename);
}
// validate child plugin file name
string PlatformName = Tokens[1];
if (!IsValidChildPluginSuffix(PlatformName))
{
Log.TraceWarning("Ignoring child plugin: {0} - Unknown suffix \"{1}\". Expected valid platform or group", Child.File.GetFileName(), PlatformName);
return;
}
// add our uplugin file to the existing plugin to be used to search for modules later
Parent.ChildFiles.Add(Child.File);
// merge the supported platforms
Parent.Descriptor.MergeSupportedTargetPlatforms(Child.Descriptor.SupportedTargetPlatforms);
// make sure we are whitelisted for any modules we list, if the parent had a whitelist
if (Child.Descriptor.Modules != null)
{
// this should cause an error if it's invalid platform name
UnrealTargetPlatform Platform = UnrealTargetPlatform.Parse(PlatformName);
foreach (ModuleDescriptor ChildModule in Child.Descriptor.Modules)
{
ModuleDescriptor ParentModule = Parent.Descriptor.Modules.FirstOrDefault(x => x.Name.Equals(ChildModule.Name) && x.Type == ChildModule.Type);
if (ParentModule != null)
{
// merge white/blacklists (if the parent had a list, and child didn't specify a list, just add the child platform to the parent list - for white and black!)
if (ParentModule.WhitelistPlatforms != null && ParentModule.WhitelistPlatforms.Length > 0)
{
List <UnrealTargetPlatform> Whitelist = ParentModule.WhitelistPlatforms.ToList();
if (ChildModule.WhitelistPlatforms != null && ChildModule.WhitelistPlatforms.Length > 0)
{
Whitelist.AddRange(ChildModule.WhitelistPlatforms);
}
else
{
Whitelist.Add(Platform);
}
ParentModule.WhitelistPlatforms = Whitelist.ToArray();
}
if (ParentModule.BlacklistPlatforms != null && ParentModule.BlacklistPlatforms.Length > 0)
{
if (ChildModule.BlacklistPlatforms != null && ChildModule.BlacklistPlatforms.Length > 0)
{
List <UnrealTargetPlatform> Blacklist = ParentModule.BlacklistPlatforms.ToList();
Blacklist.AddRange(ChildModule.BlacklistPlatforms);
ParentModule.BlacklistPlatforms = Blacklist.ToArray();
}
}
}
}
}
// @todo platplug: what else do we want to support merging?!?
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="RawObject">Raw JSON object to parse</param>
/// <param name="BaseDir">Base directory for resolving relative paths</param>
public ProjectDescriptor(JsonObject RawObject, DirectoryReference BaseDir)
{
// Read the version
if (!RawObject.TryGetIntegerField("FileVersion", out FileVersion))
{
if (!RawObject.TryGetIntegerField("ProjectFileVersion", out FileVersion))
{
throw new BuildException("Project does not contain a valid FileVersion entry");
}
}
// Check it's not newer than the latest version we can parse
if (FileVersion > (int)PluginDescriptorVersion.Latest)
{
throw new BuildException("Project descriptor appears to be in a newer version ({0}) of the file format that we can load (max version: {1}).", FileVersion, (int)ProjectDescriptorVersion.Latest);
}
// Read simple fields
RawObject.TryGetStringField("EngineAssociation", out EngineAssociation);
RawObject.TryGetStringField("Category", out Category);
RawObject.TryGetStringField("Description", out Description);
RawObject.TryGetBoolField("Enterprise", out IsEnterpriseProject);
RawObject.TryGetBoolField("DisableEnginePluginsByDefault", out DisableEnginePluginsByDefault);
// Read the modules
JsonObject[] ModulesArray;
if (RawObject.TryGetObjectArrayField("Modules", out ModulesArray))
{
Modules = Array.ConvertAll(ModulesArray, x => ModuleDescriptor.FromJsonObject(x));
}
// Read the plugins
JsonObject[] PluginsArray;
if (RawObject.TryGetObjectArrayField("Plugins", out PluginsArray))
{
Plugins = Array.ConvertAll(PluginsArray, x => PluginReferenceDescriptor.FromJsonObject(x));
}
// Read the additional root directories
string[] RootDirectoryStrings;
if (RawObject.TryGetStringArrayField("AdditionalRootDirectories", out RootDirectoryStrings))
{
AdditionalRootDirectories.AddRange(RootDirectoryStrings.Select(x => DirectoryReference.Combine(BaseDir, x)));
}
// Read the additional plugin directories
string[] PluginDirectoryStrings;
if (RawObject.TryGetStringArrayField("AdditionalPluginDirectories", out PluginDirectoryStrings))
{
AdditionalPluginDirectories.AddRange(PluginDirectoryStrings.Select(x => DirectoryReference.Combine(BaseDir, x)));
}
// Read the target platforms
RawObject.TryGetStringArrayField("TargetPlatforms", out TargetPlatforms);
// Get the sample name hash
RawObject.TryGetUnsignedIntegerField("EpicSampleNameHash", out EpicSampleNameHash);
// Read the pre and post-build steps
CustomBuildSteps.TryRead(RawObject, "PreBuildSteps", out PreBuildSteps);
CustomBuildSteps.TryRead(RawObject, "PostBuildSteps", out PostBuildSteps);
}
/// <summary>
/// Creates a plugin descriptor from a file on disk
/// </summary>
/// <param name="FileName">The filename to read</param>
/// <returns>New plugin descriptor</returns>
public static ProjectDescriptor FromFile(string FileName)
{
JsonObject RawObject = JsonObject.Read(FileName);
try
{
ProjectDescriptor Descriptor = new ProjectDescriptor();
// Read the version
if (!RawObject.TryGetIntegerField("FileVersion", out Descriptor.FileVersion))
{
if (!RawObject.TryGetIntegerField("ProjectFileVersion", out Descriptor.FileVersion))
{
throw new BuildException("Project descriptor '{0}' does not contain a valid FileVersion entry", FileName);
}
}
// Check it's not newer than the latest version we can parse
if (Descriptor.FileVersion > (int)PluginDescriptorVersion.Latest)
{
throw new BuildException("Project descriptor '{0}' appears to be in a newer version ({1}) of the file format that we can load (max version: {2}).", FileName, Descriptor.FileVersion, (int)ProjectDescriptorVersion.Latest);
}
// Read simple fields
RawObject.TryGetStringField("EngineAssociation", out Descriptor.EngineAssociation);
RawObject.TryGetStringField("Category", out Descriptor.Category);
RawObject.TryGetStringField("Description", out Descriptor.Description);
// Read the modules
JsonObject[] ModulesArray;
if (RawObject.TryGetObjectArrayField("Modules", out ModulesArray))
{
Descriptor.Modules = Array.ConvertAll(ModulesArray, x => ModuleDescriptor.FromJsonObject(x));
}
// Read the plugins
JsonObject[] PluginsArray;
if (RawObject.TryGetObjectArrayField("Plugins", out PluginsArray))
{
Descriptor.Plugins = Array.ConvertAll(PluginsArray, x => PluginReferenceDescriptor.FromJsonObject(x));
}
string[] Dirs;
Descriptor.AdditionalPluginDirectories = new List <DirectoryReference>();
// Read the additional plugin directories
if (RawObject.TryGetStringArrayField("AdditionalPluginDirectories", out Dirs))
{
for (int Index = 0; Index < Dirs.Length; Index++)
{
if (Path.IsPathRooted(Dirs[Index]))
{
// Absolute path so create in place
Descriptor.AdditionalPluginDirectories.Add(new DirectoryReference(Dirs[Index]));
Log.TraceVerbose("Project ({0}) : Added additional absolute plugin directory ({1})", FileName, Dirs[Index]);
}
else
{
// This path is relative to the project path so build that out
string RelativePath = Path.Combine(Path.GetDirectoryName(FileName), Dirs[Index]);
Descriptor.AdditionalPluginDirectories.Add(new DirectoryReference(RelativePath));
Log.TraceVerbose("Project ({0}) : Added additional relative plugin directory ({1})", FileName, Dirs[Index]);
}
}
}
// Read the target platforms
RawObject.TryGetStringArrayField("TargetPlatforms", out Descriptor.TargetPlatforms);
// Get the sample name hash
RawObject.TryGetUnsignedIntegerField("EpicSampleNameHash", out Descriptor.EpicSampleNameHash);
// Read the pre and post-build steps
CustomBuildSteps.TryRead(RawObject, "PreBuildSteps", out Descriptor.PreBuildSteps);
CustomBuildSteps.TryRead(RawObject, "PostBuildSteps", out Descriptor.PostBuildSteps);
return(Descriptor);
}
catch (JsonParseException ParseException)
{
throw new JsonParseException("{0} (in {1})", ParseException.Message, FileName);
}
}
/// <summary>
/// Constructs a ModuleDescriptor from a Json object
/// </summary>
/// <param name="InObject"></param>
/// <returns>The new module descriptor</returns>
public static ModuleDescriptor FromJsonObject(JsonObject InObject)
{
ModuleDescriptor Module = new ModuleDescriptor(InObject.GetStringField("Name"), InObject.GetEnumField <ModuleHostType>("Type"));
ModuleLoadingPhase LoadingPhase;
if (InObject.TryGetEnumField <ModuleLoadingPhase>("LoadingPhase", out LoadingPhase))
{
Module.LoadingPhase = LoadingPhase;
}
try
{
string[] WhitelistPlatforms;
if (InObject.TryGetStringArrayField("WhitelistPlatforms", out WhitelistPlatforms))
{
Module.WhitelistPlatforms = Array.ConvertAll(WhitelistPlatforms, x => UnrealTargetPlatform.Parse(x));
}
string[] BlacklistPlatforms;
if (InObject.TryGetStringArrayField("BlacklistPlatforms", out BlacklistPlatforms))
{
Module.BlacklistPlatforms = Array.ConvertAll(BlacklistPlatforms, x => UnrealTargetPlatform.Parse(x));
}
}
catch (BuildException Ex)
{
ExceptionUtils.AddContext(Ex, "while parsing module descriptor '{0}'", Module.Name);
throw;
}
TargetType[] WhitelistTargets;
if (InObject.TryGetEnumArrayField <TargetType>("WhitelistTargets", out WhitelistTargets))
{
Module.WhitelistTargets = WhitelistTargets;
}
TargetType[] BlacklistTargets;
if (InObject.TryGetEnumArrayField <TargetType>("BlacklistTargets", out BlacklistTargets))
{
Module.BlacklistTargets = BlacklistTargets;
}
UnrealTargetConfiguration[] WhitelistTargetConfigurations;
if (InObject.TryGetEnumArrayField <UnrealTargetConfiguration>("WhitelistTargetConfigurations", out WhitelistTargetConfigurations))
{
Module.WhitelistTargetConfigurations = WhitelistTargetConfigurations;
}
UnrealTargetConfiguration[] BlacklistTargetConfigurations;
if (InObject.TryGetEnumArrayField <UnrealTargetConfiguration>("BlacklistTargetConfigurations", out BlacklistTargetConfigurations))
{
Module.BlacklistTargetConfigurations = BlacklistTargetConfigurations;
}
string[] WhitelistPrograms;
if (InObject.TryGetStringArrayField("WhitelistPrograms", out WhitelistPrograms))
{
Module.WhitelistPrograms = WhitelistPrograms;
}
string[] BlacklistPrograms;
if (InObject.TryGetStringArrayField("BlacklistPrograms", out BlacklistPrograms))
{
Module.BlacklistPrograms = BlacklistPrograms;
}
string[] AdditionalDependencies;
if (InObject.TryGetStringArrayField("AdditionalDependencies", out AdditionalDependencies))
{
Module.AdditionalDependencies = AdditionalDependencies;
}
return(Module);
}
/// <summary>
/// Attempt to merge a child plugin up into a parent plugin (via file naming scheme). Very little merging happens
/// but it does allow for platform extensions to extend a plugin with module files
/// </summary>
/// <param name="Child">Child plugin that needs to merge to a main, parent plugin</param>
/// <param name="Filename">Child plugin's filename, used to determine the parent's name</param>
private static void TryMergeWithParent(PluginInfo Child, FileReference Filename)
{
// find the parent
PluginInfo Parent = null;
string[] Tokens = Filename.GetFileNameWithoutAnyExtensions().Split("_".ToCharArray());
if (Tokens.Length == 2)
{
string ParentPluginName = Tokens[0];
foreach (KeyValuePair <DirectoryReference, List <PluginInfo> > Pair in PluginInfoCache)
{
Parent = Pair.Value.FirstOrDefault(x => x.Name.Equals(ParentPluginName, StringComparison.InvariantCultureIgnoreCase));
if (Parent != null)
{
break;
}
}
}
else
{
throw new BuildException("Platform extension plugin {0} was named improperly. It must be in the form <ParentPlugin>_<Platform>.uplugin", Filename);
}
// did we find a parent plugin?
if (Parent == null)
{
throw new BuildException("Unable to find parent plugin {0} for platform extension plugin {1}. Make sure {0}.uplugin exists.", Tokens[0], Filename);
}
// validate child plugin file name
string PlatformName = Tokens[1];
if (!IsValidChildPluginSuffix(PlatformName))
{
Log.TraceWarning("Ignoring child plugin: {0} - Unknown suffix \"{1}\". Expected valid platform or group", Child.File.GetFileName(), PlatformName);
return;
}
// add our uplugin file to the existing plugin to be used to search for modules later
Parent.ChildFiles.Add(Child.File);
// this should cause an error if it's invalid platform name
//UnrealTargetPlatform Platform = UnrealTargetPlatform.Parse(PlatformName);
// merge the supported platforms
if (Child.Descriptor.SupportedTargetPlatforms != null)
{
if (Parent.Descriptor.SupportedTargetPlatforms == null)
{
Parent.Descriptor.SupportedTargetPlatforms = Child.Descriptor.SupportedTargetPlatforms;
}
else
{
Parent.Descriptor.SupportedTargetPlatforms = Parent.Descriptor.SupportedTargetPlatforms.Union(Child.Descriptor.SupportedTargetPlatforms).ToList();
}
}
// make sure we are whitelisted for any modules we list
if (Child.Descriptor.Modules != null)
{
if (Parent.Descriptor.Modules == null)
{
Parent.Descriptor.Modules = Child.Descriptor.Modules;
}
else
{
foreach (ModuleDescriptor ChildModule in Child.Descriptor.Modules)
{
ModuleDescriptor ParentModule = Parent.Descriptor.Modules.FirstOrDefault(x => x.Name.Equals(ChildModule.Name) && x.Type == ChildModule.Type);
if (ParentModule != null)
{
// merge white/blacklists (if the parent had a list, and child didn't specify a list, just add the child platform to the parent list - for white and black!)
if (ChildModule.WhitelistPlatforms != null)
{
if (ParentModule.WhitelistPlatforms == null)
{
ParentModule.WhitelistPlatforms = ChildModule.WhitelistPlatforms;
}
else
{
ParentModule.WhitelistPlatforms = ParentModule.WhitelistPlatforms.Union(ChildModule.WhitelistPlatforms).ToList();
}
}
if (ChildModule.BlacklistPlatforms != null)
{
if (ParentModule.BlacklistPlatforms == null)
{
ParentModule.BlacklistPlatforms = ChildModule.BlacklistPlatforms;
}
else
{
ParentModule.BlacklistPlatforms = ParentModule.BlacklistPlatforms.Union(ChildModule.BlacklistPlatforms).ToList();
}
}
}
else
{
Parent.Descriptor.Modules.Add(ChildModule);
}
}
}
}
// make sure we are whitelisted for any plugins we list
if (Child.Descriptor.Plugins != null)
{
if (Parent.Descriptor.Plugins == null)
{
Parent.Descriptor.Plugins = Child.Descriptor.Plugins;
}
else
{
foreach (PluginReferenceDescriptor ChildPluginReference in Child.Descriptor.Plugins)
{
PluginReferenceDescriptor ParentPluginReference = Parent.Descriptor.Plugins.FirstOrDefault(x => x.Name.Equals(ChildPluginReference.Name));
if (ParentPluginReference != null)
{
// we only need to whitelist the platform if the parent had a whitelist (otherwise, we could mistakenly remove all other platforms)
if (ParentPluginReference.WhitelistPlatforms != null)
{
if (ChildPluginReference.WhitelistPlatforms != null)
{
ParentPluginReference.WhitelistPlatforms = ParentPluginReference.WhitelistPlatforms.Union(ChildPluginReference.WhitelistPlatforms).ToList();
}
}
// if we want to blacklist a platform, add it even if the parent didn't have a blacklist. this won't cause problems with other platforms
if (ChildPluginReference.BlacklistPlatforms != null)
{
if (ParentPluginReference.BlacklistPlatforms == null)
{
ParentPluginReference.BlacklistPlatforms = ChildPluginReference.BlacklistPlatforms;
}
else
{
ParentPluginReference.BlacklistPlatforms = ParentPluginReference.BlacklistPlatforms.Union(ChildPluginReference.BlacklistPlatforms).ToList();
}
}
}
else
{
Parent.Descriptor.Plugins.Add(ChildPluginReference);
}
}
}
}
// @todo platplug: what else do we want to support merging?!?
}
