// We use the user data to save a string that represent the referenced lit material
// so we can keep reference during serialization
public static void InitializeMaterialLayers(Material material, ref Material[] layers)
{
AssetImporter materialImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(material.GetInstanceID()));
if (materialImporter.userData != string.Empty)
{
SerializeableGUIDs layersGUID = JsonUtility.FromJson <SerializeableGUIDs>(materialImporter.userData);
if (layersGUID.GUIDArray.Length > 0)
{
layers = new Material[layersGUID.GUIDArray.Length];
for (int i = 0; i < layersGUID.GUIDArray.Length; ++i)
{
layers[i] = AssetDatabase.LoadAssetAtPath(AssetDatabase.GUIDToAssetPath(layersGUID.GUIDArray[i]), typeof(Material)) as Material;
}
}
}
}
public static void InitializeMaterialLayers(AssetImporter materialImporter, ref Material[] layers, ref bool[] withUV)
{
if (materialImporter.userData != string.Empty)
{
SerializeableGUIDs layersGUID = JsonUtility.FromJson <SerializeableGUIDs>(materialImporter.userData);
if (layersGUID.GUIDArray.Length > 0)
{
layers = new Material[layersGUID.GUIDArray.Length];
for (int i = 0; i < layersGUID.GUIDArray.Length; ++i)
{
layers[i] = AssetDatabase.LoadAssetAtPath(AssetDatabase.GUIDToAssetPath(layersGUID.GUIDArray[i]), typeof(Material)) as Material;
}
}
if (layersGUID.withUV != null && layersGUID.withUV.Length > 0)
{
withUV = new bool[layersGUID.withUV.Length];
for (int i = 0; i < layersGUID.withUV.Length; ++i)
{
withUV[i] = layersGUID.withUV[i];
}
}
}
else
{
if (layers != null)
{
for (int i = 0; i < layers.Length; ++i)
{
layers[i] = null;
}
}
if (withUV != null)
{
for (int i = 0; i < withUV.Length; ++i)
{
withUV[i] = true;
}
}
}
}