public TextureImportSetting()
{
var ramdomName = AssetImportUtils.GetRandomNameByTimeStamp();
innerTexturePath = $"{ROOT}{ramdomName}.png";
innerTexture = new Texture2D(1, 1);
var bytes = innerTexture.EncodeToPNG();
File.WriteAllBytes(innerTexturePath, bytes);
AssetDatabase.ImportAsset(innerTexturePath);
innerTextureImporter = AssetImporter.GetAtPath(innerTexturePath) as TextureImporter;
metaFile = $"{innerTexturePath}.meta";
metaContent = File.ReadAllText(metaFile);
innerTextureGuid = AssetDatabase.AssetPathToGUID(innerTexturePath);
}
public static void ImportTexture(string srcFolder, string targetFolder, Action <TextureImporter> importerSettingCallback)
{
if (!string.IsNullOrEmpty(srcFolder))
{
var files = Directory.GetFiles(srcFolder)
.Where(file => file.EndsWith("png") || file.EndsWith("jpg") || file.EndsWith("exr"));
using (var importSetting = new TextureImportSetting())
{
var importer = importSetting.GetTextureImporter();
importerSettingCallback?.Invoke(importer);
importSetting.ConfirmImportSetting();
AssetImportUtils.StartAssetEditing();
foreach (var file in files)
{
var fileName = Path.GetFileName(file);
var targetPath = $"{targetFolder}/{fileName}";
File.Copy(file, targetPath, true);
importSetting.GenerateMetaFile(targetPath);
}
AssetImportUtils.StopAssetEditing();
AssetDatabase.Refresh();
}
}
}
public void OnPostprocessTexture(Texture2D texture)
{
var format = texture.format;
bool isExternalLoading = AssetImportUtils.GetUserData <bool>(assetImporter, "externalLoading");
if (Is16Bit(texture) && !isExternalLoading)
{
try{
using (var originalTextureWWW = new WWW("file://" + Directory.GetCurrentDirectory().Replace(@"\", "/") + "/" + assetPath))
{
while (originalTextureWWW.isDone == false)
{
;
}
var originalTexture = originalTextureWWW.texture;
var tempPathPrefix = FileUtil.GetUniqueTempPathInProject();
var destTexture = tempPathPrefix + ".Out.png";
var pvrTexture = tempPathPrefix + ".pvr";
bool needsResize = texture.width != originalTexture.width || texture.height != originalTexture.height;
string srcTexture = assetPath;
var ditheringParam = new PVRTexTool.PVRTexToolParams()
{
InputFile = srcTexture,
PVROutputFile = pvrTexture,
OutputFile = tempPathPrefix + ".png",
Dither = true,
ResizeFilter = PVRTexTool.ResizeFilter.Cubic,
EncodeFormat = FormatToPackerFormat[format]
};
if (needsResize)
{
ditheringParam.Width = texture.width;
ditheringParam.Height = texture.height;
}
bool succeeded = PVRTexTool.RunCommand(ditheringParam);
if (succeeded)
{
using (var www = new WWW("file://" + Directory.GetCurrentDirectory().Replace(@"\", "/") + "/" + destTexture))
{
while (www.isDone == false)
{
;
}
if (string.IsNullOrEmpty(www.error) == false)
{
Debug.LogError(www.error);
}
if (www.texture != null)
{
var bytes = www.texture.EncodeToPNG();
texture.LoadImage(bytes);
EditorUtility.CompressTexture(texture, format, TextureCompressionQuality.Normal);
EditorUtility.SetDirty(texture);
}
}
File.Delete(destTexture);
File.Delete(pvrTexture);
}
}
}
catch
{
}
}
}
