public override SdkResult Resolve(SdkReference sdkReference, SdkResolverContext resolverContext, SdkResultFactory factory)
{
if (sdkReference.Name != "Mono.UE4.Sdk")
{
return(factory.IndicateFailure(new[] { $"Not a UE4 SDK reference" }));
}
//provide a way to force a specific directory
string engineDir = Environment.GetEnvironmentVariable("MONOUE_SDKRESOLVER_OVERRIDE_ENGINE_DIR");
if (string.IsNullOrEmpty(engineDir))
{
var uproject = GetUProjectFromMSBuildProject(resolverContext.SolutionFilePath, resolverContext.ProjectFilePath);
if (uproject == null)
{
return(factory.IndicateFailureAndLog(new[] { $"Could not find a uproject file" }));
}
var engineAssociation = ReadEngineAssociationFromUProject(uproject);
engineDir = GetEngineFromID(engineAssociation);
if (string.IsNullOrEmpty(engineDir))
{
string installedLocationsInfo = ". Found: " + string.Join(", ", EnumerateEngineInstallations().ToList().Select(x => x.ID));
return(factory.IndicateFailureAndLog(new[] { $"Could not find UE4 engine matching '{engineAssociation}' {installedLocationsInfo}" }));
}
}
if (!Directory.Exists(engineDir))
{
return(factory.IndicateFailureAndLog(new[] { $"UE4 engine directory '{engineDir}' does not exist" }));
}
if (!IsValidEngineDirectory(engineDir))
{
return(factory.IndicateFailureAndLog(new[] { $"Engine '{engineDir}' is not a valid installation" }));
}
if (!IsMonoUEEngineDirectory(engineDir))
{
return(factory.IndicateFailureAndLog(new[] { $"Engine '{engineDir}' does not contain MonoUE plugin" }));
}
var sdkDir = Path.Combine(engineDir, "Engine", "Plugins", "MonoUE", "MSBuild", "Sdks", sdkReference.Name, "Sdk");
if (Directory.Exists(sdkDir))
{
string engineVersion = GetEngineVersion(engineDir);
return(factory.IndicateSuccess(sdkDir, "1.0"));
}
return(factory.IndicateFailureAndLog(new[] { $"Did not find SDK '{sdkReference.Name}'" }));
}