public static void LinkTexture(string texGuid, string arrGuid, bool isAlpha = false)
{
#if UNITY_EDITOR
string userDataTag = "TexArr_textureArray_as" + (isAlpha? "Source" : "Alpha");
UnityEditor.AssetImporter importer = AssetsExtensions.GetImporter(texGuid);
if (importer == null)
{
Debug.Log("Could not get importer for " + UnityEditor.AssetDatabase.GUIDToAssetPath(texGuid) + " to assign texture");
return;
}
string[] texData = AssetsExtensions.GetUserData(importer, userDataTag);
if (!texData.Contains(arrGuid)) //not already signed as used
{
ArrayTools.Add(ref texData, arrGuid);
AssetsExtensions.SetUserData(texGuid, userDataTag, texData, reload: false);
}
//writing hash for the newly assigned textures
string path = UnityEditor.AssetDatabase.GUIDToAssetPath(texGuid);
Texture2D tex = UnityEditor.AssetDatabase.LoadAssetAtPath <Texture2D>(path);
string texHash = tex.GetHash().ToString(); //tex.imageContentsHash.ToString();
AssetsExtensions.SetUserData(importer, "Hash", new string[] { texHash }, reload: false); //will write only if hash changed
#endif
}
public static void UnlinkTexture(string texGuid, string arrGuid, bool isAlpha = false)
{
#if UNITY_EDITOR
string userDataTag = "TexArr_textureArray_as" + (isAlpha? "Source" : "Alpha");
UnityEditor.AssetImporter importer = AssetsExtensions.GetImporter(texGuid);
if (importer == null)
{
Debug.Log("Could not get importer for " + UnityEditor.AssetDatabase.GUIDToAssetPath(texGuid) + " to unassign texture");
return;
}
string[] prevTexData = AssetsExtensions.GetUserData(importer, userDataTag);
if (prevTexData == null || prevTexData.Length == 0)
{
//Debug.Log("Previous texture has no data assigned");
return;
}
ArrayTools.RemoveAll(ref prevTexData, arrGuid);
AssetsExtensions.SetUserData(importer, userDataTag, prevTexData, reload: false);
#endif
}
static void ReassignTexture(Texture2D tex, string assetPath)
{
HashSet <Texture2DArray> usedTexArrs = new HashSet <Texture2DArray>();
//finding if it was a real change or just user data
string[] prevHashArr = tex.GetUserData("Hash");
if (prevHashArr.Length != 0)
{
string prevHash = prevHashArr[0];
string newHash = tex.GetHash().ToString(); //tex.imageContentsHash.ToString();
if (prevHash == newHash)
{
//Debug.Log("Skipping " + System.IO.Path.GetFileName(assetPath));
return;
}
else
{
AssetsExtensions.SetUserData(tex, "Hash", new string[] { newHash }, reload: false); //will be reloaded on App
}
}
//sources
string[] texarrGuids = tex.GetUserData("TexArr_textureArray_asSource");
for (int t = 0; t < texarrGuids.Length; t++)
{
Texture2DArray texArr = texarrGuids[t].GUIDtoObj <Texture2DArray>();
if (!usedTexArrs.Contains(texArr))
{
usedTexArrs.Add(texArr);
}
TextureArrayDecorator texArrDec = new TextureArrayDecorator(texArr);
Debug.Log("Refreshing " + texArr + " since texture " + System.IO.Path.GetFileName(assetPath) + " is used as it's source", texArr);
texArrDec.FindAndSetSource(tex, assetPath, isAlpha: false);
}
//alphas
texarrGuids = tex.GetUserData("TexArr_textureArray_asAlpha");
for (int t = 0; t < texarrGuids.Length; t++)
{
Texture2DArray texArr = texarrGuids[t].GUIDtoObj <Texture2DArray>();
if (!usedTexArrs.Contains(texArr))
{
usedTexArrs.Add(texArr);
}
TextureArrayDecorator texArrDec = new TextureArrayDecorator(texArr);
Debug.Log("Refreshing " + texArr + " since texture " + System.IO.Path.GetFileName(assetPath) + " is used as it's source", texArr);
texArrDec.FindAndSetSource(tex, assetPath, isAlpha: true);
}
//refresh preview
TextureArrayInspector[] editors = Resources.FindObjectsOfTypeAll <TextureArrayInspector>();
for (int i = 0; i < editors.Length; i++)
{
Texture2DArray editorTexArr = editors[i].texArrDec.texArr;
if (usedTexArrs.Contains(editorTexArr))
{
editors[i].OnEnable();
}
}
}