public bool CheckForShaderChange()
{
//test if we even have file -> no files nothing to be done
if (ReferenceEquals(null, shaderWatcherVertex) || ReferenceEquals(null, shaderWatcherFragment))
{
return(false);
}
//test if any file is dirty
if (!shaderWatcherVertex.Dirty && !shaderWatcherFragment.Dirty)
{
return(false);
}
try
{
shader = ShaderLoader.FromFiles(shaderWatcherVertex.FullPath, shaderWatcherFragment.FullPath);
shaderWatcherVertex.Dirty = false;
shaderWatcherFragment.Dirty = false;
//ShaderLoaded?.Invoke();
return(true);
}
catch (IOException e)
{
var exception = new ShaderException(e.Message, string.Empty);
ShowDebugDialog(exception);
}
catch (ShaderException e)
{
ShowDebugDialog(e);
}
return(false);
}
private void ShowExceptionForm(ShaderException e, string resourceName)
{
var name = contentManager.GetFilePath(resourceName);
name = string.IsNullOrEmpty(name) ? resourceName : name;
new FormShaderExceptionFacade().ShowModal(e, name);
}
/// <summary>
/// Extracts the name of the file.
/// </summary>
/// <param name="e">The e.</param>
/// <returns></returns>
public static string ExtractFileName(this ShaderException e)
{
if (e.Data.Contains(ExceptionDataFileName))
{
return(e.Data[ExceptionDataFileName] as string);
}
return(string.Empty);
}
/// <summary>
/// Shows the modal.
/// </summary>
/// <param name="e">The e.</param>
/// <returns></returns>
public string ShowModal(ShaderException e)
{
form = new FormShaderException
{
Text = e.Message
};
var compileException = e as ShaderCompileException;
if (compileException is null)
{
form.ShaderSourceCode = string.Empty;
}
else
{
form.ShaderSourceCode = compileException.ShaderCode;
}
//load error list after source code is loaded for highlighting of error to work
form.Errors.Clear();
var log = new ShaderLog(e.ShaderLog);
foreach (var logLine in log.Lines)
{
form.Errors.Add(logLine);
}
var shaderFileName = e.ExtractFileName();
if (string.IsNullOrEmpty(shaderFileName))
{
foreach (var logLine in log.Lines)
{
Debug.Print(shaderFileName + "(" + logLine.LineNumber + "): " + logLine.Message);
}
}
form.Select(0);
form.TopMost = true;
var oldSource = form.ShaderSourceCode;
closeOnFileChange = true;
var result = form.ShowDialog();
closeOnFileChange = false;
var newShaderSourceCode = DialogResult.OK == result ? form.ShaderSourceCode : oldSource;
form = null;
if (compileException is null)
{
return(newShaderSourceCode);
}
if (newShaderSourceCode != compileException.ShaderCode && !string.IsNullOrEmpty(shaderFileName))
{
//save changed code to shader file
File.WriteAllText(shaderFileName, newShaderSourceCode);
}
return(newShaderSourceCode);
}
/// <summary>
/// Shows the modal.
/// </summary>
/// <param name="exception">The exception.</param>
/// <param name="name">Name or file name of the shader</param>
public void ShowModal(ShaderException exception, string name)
{
form = new FormShaderException
{
Text = $"'{name}': {exception.GetType()}"
};
var compileException = exception as ShaderCompileException;
if (compileException is null)
{
form.ShaderSourceCode = string.Empty;
}
else
{
form.Text += " for shader type " + compileException.ShaderType;
form.ShaderSourceCode = compileException.ShaderSourceCode;
}
//load error list after source code is loaded for highlighting of error to work
form.Errors.Clear();
var log = new ShaderLogParser(exception.Message);
foreach (var logLine in log.Lines)
{
form.Errors.Add(logLine);
}
foreach (var logLine in log.Lines)
{
Debug.Print(name + "(" + logLine.LineNumber + "): " + logLine.Message);
}
form.Select(0);
form.TopMost = true;
var oldSource = form.ShaderSourceCode;
closeOnFileChange = true;
var result = form.ShowDialog();
closeOnFileChange = false;
var newShaderSourceCode = DialogResult.OK == result ? form.ShaderSourceCode : oldSource;
form = null;
if (compileException is null)
{
return;
}
if (newShaderSourceCode != compileException.ShaderSourceCode && File.Exists(name))
{
//save changed code to shader file
File.WriteAllText(name, newShaderSourceCode);
}
}
private void ShowDebugDialog(ShaderException exception)
{
var newShaderCode = form.ShowModal(exception);
}
private void ShaderErrorHandling(ShaderException e)
{
e.Data[ShaderLoader.ExceptionDataFileName] = contentManager.LastChangedFilePath; //TODO: make cleaner after removal of old stuff
new FormShaderExceptionFacade().ShowModal(e);
}
