/** Updates the intermediate include directory timestamps of all the passed in UObject modules */
private static void UpdateDirectoryTimestamps(List <UHTModuleInfo> UObjectModules)
{
foreach (var Module in UObjectModules)
{
string GeneratedCodeDirectory = Path.GetDirectoryName(Module.GeneratedCPPFilenameBase);
var GeneratedCodeDirectoryInfo = new DirectoryInfo(GeneratedCodeDirectory);
try
{
if (GeneratedCodeDirectoryInfo.Exists)
{
if (UnrealBuildTool.RunningRocket())
{
// If it is an Engine folder and we are building a rocket project do NOT update the timestamp!
// @todo Rocket: This contains check is hacky/fragile
string FullGeneratedCodeDirectory = GeneratedCodeDirectoryInfo.FullName;
FullGeneratedCodeDirectory = FullGeneratedCodeDirectory.Replace("\\", "/");
if (FullGeneratedCodeDirectory.Contains("Engine/Intermediate/Build"))
{
continue;
}
// Skip checking timestamps for engine plugin intermediate headers in Rocket
PluginInfo Info = Plugins.GetPluginInfoForModule(Module.ModuleName);
if (Info != null)
{
if (Info.LoadedFrom == PluginInfo.LoadedFromType.Engine)
{
continue;
}
}
}
// Touch the include directory since we have technically 'generated' the headers
// However, the headers might not be touched at all since that would cause the compiler to recompile everything
// We can't alter the directory timestamp directly, because this may throw exceptions when the directory is
// open in visual studio or windows explorer, so instead we create a blank file that will change the timestamp for us
string TimestampFile = GeneratedCodeDirectoryInfo.FullName + Path.DirectorySeparatorChar + @"Timestamp";
if (!GeneratedCodeDirectoryInfo.Exists)
{
GeneratedCodeDirectoryInfo.Create();
}
if (File.Exists(TimestampFile))
{
File.Delete(TimestampFile);
}
using (File.Create(TimestampFile))
{
}
}
}
catch (Exception Exception)
{
throw new BuildException(Exception, "Couldn't touch header directories: " + Exception.Message);
}
}
}
/** Updates the intermediate include directory timestamps of all the passed in UObject modules */
private static void UpdateDirectoryTimestamps(List <UHTModuleInfo> UObjectModules)
{
foreach (var Module in UObjectModules)
{
string GeneratedCodeDirectory = Path.GetDirectoryName(Module.GeneratedCPPFilenameBase);
var GeneratedCodeDirectoryInfo = new DirectoryInfo(GeneratedCodeDirectory);
try
{
if (GeneratedCodeDirectoryInfo.Exists)
{
if (UnrealBuildTool.RunningRocket())
{
// If it is an Engine folder and we are building a rocket project do NOT update the timestamp!
// @todo Rocket: This contains check is hacky/fragile
string FullGeneratedCodeDirectory = GeneratedCodeDirectoryInfo.FullName;
FullGeneratedCodeDirectory = FullGeneratedCodeDirectory.Replace("\\", "/");
if (FullGeneratedCodeDirectory.Contains("Engine/Intermediate/Build"))
{
continue;
}
// Skip checking timestamps for engine plugin intermediate headers in Rocket
PluginInfo Info = Plugins.GetPluginInfoForModule(Module.ModuleName);
if (Info != null)
{
if (Info.LoadedFrom == PluginInfo.LoadedFromType.Engine)
{
continue;
}
}
}
// Touch the include directory since we have technically 'generated' the headers
// However, the headers might not be touched at all since that would cause the compiler to recompile everything
// We can't alter the directory timestamp directly, because this may throw exceptions when the directory is
// open in visual studio or windows explorer, so instead we create a blank file that will change the timestamp for us
string TimestampFile = GeneratedCodeDirectoryInfo.FullName + Path.DirectorySeparatorChar + @"Timestamp";
if (!GeneratedCodeDirectoryInfo.Exists)
{
GeneratedCodeDirectoryInfo.Create();
}
// Save all of the UObject files to a timestamp file. We'll load these on the next run to see if any new
// files with UObject classes were deleted, so that we'll know to run UHT even if the timestamps of all
// of the other source files were unchanged
{
var AllUObjectFiles = new List <string>();
AllUObjectFiles.AddRange(Module.PublicUObjectClassesHeaders.ConvertAll(Item => Item.AbsolutePath));
AllUObjectFiles.AddRange(Module.PublicUObjectHeaders.ConvertAll(Item => Item.AbsolutePath));
AllUObjectFiles.AddRange(Module.PrivateUObjectHeaders.ConvertAll(Item => Item.AbsolutePath));
ResponseFile.Create(TimestampFile, AllUObjectFiles);
}
}
}
catch (Exception Exception)
{
throw new BuildException(Exception, "Couldn't touch header directories: " + Exception.Message);
}
}
}