//--------------------------------------------------------------------------------------------------
// IO
//Save .shader file
private static Shader SaveShader(TCP2_Config config, Shader existingShader, string sourceCode, bool overwritePrompt, bool modifiedPrompt)
{
if (string.IsNullOrEmpty(config.Filename))
{
Debug.LogError("[TCP2 Shader Generator] Can't save Shader: filename is null or empty!");
return(null);
}
//Save file
var outputPath = OutputPath;
var filename = config.Filename;
//Get existing shader exact path
if (existingShader != null)
{
outputPath = GetExistingShaderPath(config, existingShader);
/*
* if(config.Filename.Contains("/"))
* {
* filename = config.Filename.Substring(config.Filename.LastIndexOf('/')+1);
* }
*/
}
var systemPath = Application.dataPath + outputPath;
if (!Directory.Exists(systemPath))
{
Directory.CreateDirectory(systemPath);
}
var fullPath = systemPath + filename + ".shader";
var overwrite = true;
if (overwritePrompt && File.Exists(fullPath))
{
overwrite = EditorUtility.DisplayDialog("TCP2 : Shader Generation", "The following shader already exists:\n\n" + fullPath + "\n\nOverwrite?", "Yes", "No");
}
if (modifiedPrompt)
{
overwrite = EditorUtility.DisplayDialog("TCP2 : Shader Generation", "The following shader seems to have been modified externally or manually:\n\n" + fullPath + "\n\nOverwrite anyway?", "Yes", "No");
}
if (overwrite)
{
var directory = Path.GetDirectoryName(fullPath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
//Write file to disk
File.WriteAllText(fullPath, sourceCode, Encoding.UTF8);
AssetDatabase.Refresh(ImportAssetOptions.ForceSynchronousImport);
//Import (to compile shader)
var assetPath = fullPath.Replace(Application.dataPath, "Assets");
var shader = AssetDatabase.LoadAssetAtPath(assetPath, typeof(Shader)) as Shader;
if (SelectGeneratedShader)
{
Selection.objects = new Object[] { shader };
}
//Set ShaderImporter userData
var shaderImporter = ShaderImporter.GetAtPath(assetPath) as ShaderImporter;
if (shaderImporter != null)
{
//Get file hash to verify if it has been manually altered afterwards
var shaderHash = GetShaderContentHash(shaderImporter);
//Use hash if available, else use timestamp
var customDataList = new List <string>();
customDataList.Add(!string.IsNullOrEmpty(shaderHash) ? shaderHash : shaderImporter.assetTimeStamp.ToString());
customDataList.Add(config.GetShaderTargetCustomData());
var configTypeCustomData = config.GetConfigTypeCustomData();
if (configTypeCustomData != null)
{
customDataList.Add(configTypeCustomData);
}
customDataList.Add(config.GetConfigFileCustomData());
var userData = config.ToUserData(customDataList.ToArray());
shaderImporter.userData = userData;
//Needed to save userData in .meta file
AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.Default);
}
else
{
Debug.LogWarning("[TCP2 Shader Generator] Couldn't find ShaderImporter.\nMetadatas will be missing from the shader file.");
}
return(shader);
}
return(null);
}
