/// <summary>
/// Finds the path of a directory relative to the project folder.
/// </summary>
/// <param name="directoryPathToSearch">
/// The subtree's root path to search in.
/// </param>
/// <param name="directoryName">
/// The name of the directory to search for.
/// </param>
internal static bool FindRelativeDirectory(string directoryPathToSearch, string directoryName, out string path)
{
string absolutePath;
if (FindDirectory(directoryPathToSearch, directoryName, out absolutePath))
{
path = MixedRealityToolkitFiles.GetAssetDatabasePath(absolutePath);
return(true);
}
path = string.Empty;
return(false);
}
/// <summary>
/// Ensure that a link.xml file exists in the MixedRealityToolkit.Generated folder.
/// This file is used to control the Unity linker's byte code stripping of MRTK assemblies.
/// </summary>
public static void EnsureLinkXml()
{
string generatedFolder = MixedRealityToolkitFiles.MapRelativeFolderPathToAbsolutePath(MixedRealityToolkitModuleType.Generated, "");
string linkXmlPath = Path.Combine(generatedFolder, "link.xml");
if (File.Exists(linkXmlPath))
{
bool xmlUpdated = false;
// Update to ensure Unity's okay ignoring missing assemblies
XmlDocument doc = new XmlDocument();
doc.Load(linkXmlPath);
XmlNodeList assemblyNodes = doc.SelectNodes(@"/linker/assembly");
if (assemblyNodes != null)
{
XmlAttribute newAttr = doc.CreateAttribute("ignoreIfMissing");
newAttr.Value = "1";
foreach (XmlNode assembly in assemblyNodes)
{
XmlNode fullname = assembly.Attributes.GetNamedItem("fullname");
XmlNode ignoreIfMissing = assembly.Attributes.GetNamedItem("ignoreIfMissing");
if (ignoreIfMissing == null && fullname.InnerText.StartsWith("Microsoft.MixedReality.Toolkit"))
{
assembly.Attributes.SetNamedItem(newAttr);
xmlUpdated = true;
}
}
}
if (xmlUpdated)
{
Debug.Log($"The link.xml file in {MixedRealityToolkitFiles.GetGeneratedFolder} was updated to include \"ignoreIfMissing\" tags.\n" +
"This is required in Unity 2021 or later for legacy XR assemblies that are no longer used and is okay if this project is on an earlier version.");
doc.Save(linkXmlPath);
}
return;
}
// Create a default link.xml with an initial set of assembly preservation rules.
using (StreamWriter writer = new StreamWriter(linkXmlPath))
{
writer.WriteLine(defaultLinkXmlContents);
Debug.Log($"A link.xml file was created in {MixedRealityToolkitFiles.GetGeneratedFolder}.\n" +
"This file is used to control preservation of MRTK code during linking. It is recommended to add link.xml (and link.xml.meta) to source control.");
}
}
/// <summary>
/// Ensure that a link.xml file exists in the MixedRealityToolkit.Generated folder.
/// This file is used to control the Unity linker's byte code stripping of MRTK assemblies.
/// </summary>
public static void EnsureLinkXml()
{
string generatedFolder = MixedRealityToolkitFiles.MapRelativeFolderPathToAbsolutePath(MixedRealityToolkitModuleType.Generated, "");
string linkXmlPath = Path.Combine(generatedFolder, "link.xml");
if (File.Exists(linkXmlPath))
{
// Do not touch the existing file.
return;
}
// Create a default link.xml with an initial set of assembly preservation rules.
using (StreamWriter writer = new StreamWriter(linkXmlPath))
{
writer.WriteLine(defaultLinkXmlContents);
Debug.Log($"A link.xml file was created in {MixedRealityToolkitFiles.GetGeneratedFolder}. \n" +
"This file is used to control preservation of MRTK code during linking. It is recommended to add link.xml (and link.xml.meta) to source control.");
}
}
private static void SetIconTheme()
{
if (!MixedRealityToolkitFiles.AreFoldersAvailable)
{
Debug.LogError("Unable to find the Mixed Reality Toolkit's directory!");
return;
}
var icons = MixedRealityToolkitFiles.GetFiles("StandardAssets/Icons");
var icon = new Texture2D(2, 2);
var iconColor = new Color32(4, 165, 240, 255);
for (int i = 0; i < icons.Length; i++)
{
icons[i] = icons[i].Replace("/", "\\");
if (icons[i].Contains(".meta"))
{
continue;
}
var imageData = File.ReadAllBytes(icons[i]);
icon.LoadImage(imageData, false);
var pixels = icon.GetPixels32();
for (int j = 0; j < pixels.Length; j++)
{
pixels[j].r = iconColor.r;
pixels[j].g = iconColor.g;
pixels[j].b = iconColor.b;
}
icon.SetPixels32(pixels);
File.WriteAllBytes(icons[i], icon.EncodeToPNG());
}
AssetDatabase.SaveAssets();
AssetDatabase.Refresh(ImportAssetOptions.ForceUpdate);
}
internal static string MakePathRelativeToProject(string absolutePath) => MixedRealityToolkitFiles.GetAssetDatabasePath(absolutePath);