public void SaveSources()
{
#if UNITY_EDITOR
//checking if user data could be saved
if (!UnityEditor.AssetDatabase.Contains(texArr))
{
Debug.Log("Texture Array is not an asset: could not set source tex"); return;
}
string arrGuid = texArr.GUID();
string[] newSrcGuids = new string[srcArr.Length];
string[] newAlGuids = new string[srcArr.Length];
for (int i = 0; i < newSrcGuids.Length; i++)
{
if (srcArr[i].source != null)
{
newSrcGuids[i] = srcArr[i].source.GUID();
}
if (srcArr[i].alpha != null)
{
newAlGuids[i] = srcArr[i].alpha.GUID();
}
}
string[] oldSrcGuids = texArr.GetUserData("TexArr_sourceLayers");
string[] oldAlGuids = texArr.GetUserData("TexArr_alphaLayers");
//unlinking sources that are not used anymore
for (int i = 0; i < oldSrcGuids.Length; i++)
{
if (oldSrcGuids[i] == null || oldSrcGuids[i].Length == 0)
{
continue;
}
if (newSrcGuids.Contains(oldSrcGuids[i]))
{
continue; //still used
}
UnlinkTexture(oldSrcGuids[i], arrGuid, isAlpha: false);
}
for (int i = 0; i < oldAlGuids.Length; i++)
{
if (oldAlGuids[i] == null || oldAlGuids[i].Length == 0)
{
continue;
}
if (newAlGuids.Contains(oldAlGuids[i]))
{
continue; //still used
}
UnlinkTexture(oldSrcGuids[i], arrGuid, isAlpha: true);
}
//linking new textures
for (int i = 0; i < newSrcGuids.Length; i++)
{
if (newSrcGuids[i] == null || newSrcGuids[i].Length == 0)
{
continue;
}
LinkTexture(newSrcGuids[i], arrGuid, isAlpha: false);
}
for (int i = 0; i < newAlGuids.Length; i++)
{
if (newAlGuids[i] == null || newAlGuids[i].Length == 0)
{
continue;
}
LinkTexture(newSrcGuids[i], arrGuid, isAlpha: true);
}
//saving array data
texArr.SetUserData("TexArr_sourceLayers", newSrcGuids);
texArr.SetUserData("TexArr_alphaLayers", newAlGuids);
UnityEditor.AssetDatabase.SaveAssets();
UnityEditor.EditorUtility.SetDirty(texArr);
UnityEditor.AssetDatabase.Refresh();
#endif
}