/// <summary>
/// Optionally compiles and loads target rules assembly.
/// </summary>
/// <param name="Properties"></param>
/// <param name="TargetsDllFilename"></param>
/// <param name="DoNotCompile"></param>
/// <param name="TargetScripts"></param>
private static void CompileAndLoadTargetsAssembly(ProjectProperties Properties, FileReference TargetsDllFilename, bool DoNotCompile, List <FileReference> TargetScripts)
{
CommandUtils.LogVerbose("Compiling targets DLL: {0}", TargetsDllFilename);
var ReferencedAssemblies = new List <string>()
{
"System.dll",
"System.Core.dll",
"System.Xml.dll",
typeof(UnrealBuildTool.PlatformExports).Assembly.Location
};
List <string> PreprocessorDefinitions = RulesAssembly.GetPreprocessorDefinitions();
var TargetsDLL = DynamicCompilation.CompileAndLoadAssembly(TargetsDllFilename, TargetScripts, ReferencedAssemblies, PreprocessorDefinitions, DoNotCompile);
var AllCompiledTypes = TargetsDLL.GetTypes();
foreach (Type TargetType in AllCompiledTypes)
{
// Find TargetRules but skip all "UE4Editor", "UE4Game" targets.
if (typeof(TargetRules).IsAssignableFrom(TargetType))
{
string TargetName = GetTargetName(TargetType);
ReadOnlyBuildVersion Version = new ReadOnlyBuildVersion(BuildVersion.ReadDefault());
TargetInfo DummyTargetInfo = new TargetInfo(TargetName, BuildHostPlatform.Current.Platform, UnrealTargetConfiguration.Development, "", Properties.RawProjectPath, Version);
// Create an instance of this type
CommandUtils.LogVerbose("Creating target rules object: {0}", TargetType.Name);
TargetRules Rules = Activator.CreateInstance(TargetType, DummyTargetInfo) as TargetRules;
CommandUtils.LogVerbose("Adding target: {0} ({1})", TargetType.Name, Rules.Type);
SingleTargetProperties TargetData;
TargetData.TargetName = GetTargetName(TargetType);
TargetData.Rules = Rules;
if (Rules.Type == global::UnrealBuildTool.TargetType.Program)
{
Properties.Programs.Add(TargetData);
}
else
{
Properties.Targets.Add(Rules.Type, TargetData);
}
}
}
}
