/**
* pass in System.IO.File.WriteAllBytes for parameter fileSaveFunction. This is necessary because on Web Player file saving
* functions only exist for Editor classes
*/
public void SaveAtlasToAssetDatabase(Texture2D atlas, string texPropertyName, int atlasNum, Material resMat)
{
string prefabPth = AssetDatabase.GetAssetPath(resMat);
if (prefabPth == null || prefabPth.Length == 0)
{
Debug.LogError("Could save atlas. Could not find result material in AssetDatabase.");
return;
}
string baseName = System.IO.Path.GetFileNameWithoutExtension(prefabPth);
string folderPath = prefabPth.Substring(0, prefabPth.Length - baseName.Length - 4);
string fullFolderPath = Application.dataPath + folderPath.Substring("Assets".Length, folderPath.Length - "Assets".Length);
string pth = fullFolderPath + baseName + "-" + texPropertyName + "-atlas" + atlasNum + ".png";
Debug.Log("Created atlas for: " + texPropertyName + " at " + pth);
//need to create a copy because sometimes the packed atlases are not in ARGB32 format
Texture2D newTex = SAUtility.createTextureCopy(atlas);
int size = Mathf.Max(newTex.height, newTex.width);
byte[] bytes = newTex.EncodeToPNG();
Editor.DestroyImmediate(newTex);
System.IO.File.WriteAllBytes(pth, bytes);
AssetDatabase.Refresh();
string relativePath = folderPath + baseName + "-" + texPropertyName + "-atlas" + atlasNum + ".png";
SetTextureSize((Texture2D)(AssetDatabase.LoadAssetAtPath(relativePath, typeof(Texture2D))), size);
SetMaterialTextureProperty(resMat, texPropertyName, relativePath);
}
