/// <summary>
/// Finds all targets for the project.
/// </summary>
/// <param name="Properties">Project properties.</param>
/// <param name="ExtraSearchPaths">Additional search paths.</param>
private static void DetectTargetsForProject(ProjectProperties Properties, List <string> ExtraSearchPaths = null)
{
Properties.Targets = new List <SingleTargetProperties>();
FileReference TargetsDllFilename;
string FullProjectPath = null;
List <DirectoryReference> GameFolders = new List <DirectoryReference>();
DirectoryReference RulesFolder = new DirectoryReference(GetRulesAssemblyFolder());
if (Properties.RawProjectPath != null)
{
CommandUtils.LogVerbose("Looking for targets for project {0}", Properties.RawProjectPath);
TargetsDllFilename = FileReference.Combine(RulesFolder, String.Format("UATRules{0}.dll", Properties.RawProjectPath.GetHashCode()));
FullProjectPath = CommandUtils.GetDirectoryName(Properties.RawProjectPath.FullName);
GameFolders.Add(new DirectoryReference(FullProjectPath));
CommandUtils.LogVerbose("Searching for target rule files in {0}", FullProjectPath);
}
else
{
TargetsDllFilename = FileReference.Combine(RulesFolder, String.Format("UATRules{0}.dll", "_BaseEngine_"));
}
// the UBT code assumes a certain CWD, but artists don't have this CWD.
string SourceDir = CommandUtils.CombinePaths(CommandUtils.CmdEnv.LocalRoot, "Engine", "Source");
bool DirPushed = false;
if (CommandUtils.DirectoryExists_NoExceptions(SourceDir))
{
CommandUtils.PushDir(SourceDir);
DirPushed = true;
}
List <DirectoryReference> ExtraSearchDirectories = (ExtraSearchPaths == null)? null : ExtraSearchPaths.Select(x => new DirectoryReference(x)).ToList();
List <FileReference> TargetScripts = RulesCompiler.FindAllRulesSourceFiles(RulesCompiler.RulesFileType.Target, GameFolders: GameFolders, ForeignPlugins: null, AdditionalSearchPaths: ExtraSearchDirectories, bIncludeEnterprise: false);
if (DirPushed)
{
CommandUtils.PopDir();
}
if (!CommandUtils.IsNullOrEmpty(TargetScripts))
{
// We only care about project target script so filter out any scripts not in the project folder, or take them all if we are just doing engine stuff
List <FileReference> ProjectTargetScripts = new List <FileReference>();
foreach (FileReference TargetScript in TargetScripts)
{
if (FullProjectPath == null || TargetScript.IsUnderDirectory(new DirectoryReference(FullProjectPath)))
{
// skip target rules that are platform extension or platform group specializations
string[] TargetPathSplit = TargetScript.GetFileNameWithoutAnyExtensions().Split(new char[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
if (TargetPathSplit.Length > 1 && (UnrealTargetPlatform.IsValidName(TargetPathSplit.Last()) || UnrealPlatformGroup.IsValidName(TargetPathSplit.Last())))
{
continue;
}
ProjectTargetScripts.Add(TargetScript);
}
}
TargetScripts = ProjectTargetScripts;
}
if (!CommandUtils.IsNullOrEmpty(TargetScripts))
{
CommandUtils.LogVerbose("Found {0} target rule files:", TargetScripts.Count);
foreach (FileReference Filename in TargetScripts)
{
CommandUtils.LogVerbose(" {0}", Filename);
}
// Check if the scripts require compilation
bool DoNotCompile = false;
if (!CommandUtils.IsBuildMachine && !CheckIfScriptAssemblyIsOutOfDate(TargetsDllFilename, TargetScripts))
{
Log.TraceVerbose("Targets DLL {0} is up to date.", TargetsDllFilename);
DoNotCompile = true;
}
if (!DoNotCompile && CommandUtils.FileExists_NoExceptions(TargetsDllFilename.FullName))
{
if (!CommandUtils.DeleteFile_NoExceptions(TargetsDllFilename.FullName, true))
{
DoNotCompile = true;
CommandUtils.LogVerbose("Could not delete {0} assuming it is up to date and reusable for a recursive UAT call.", TargetsDllFilename);
}
}
CompileAndLoadTargetsAssembly(Properties, TargetsDllFilename, DoNotCompile, TargetScripts);
}
}