/// <summary>
/// Gets the file path to save the canavs at.
/// </summary>
/// <returns></returns>
private FilePanelResult GetSaveFilePath()
{
string path = EditorUtility.SaveFilePanelInProject("Save Bonsai Canvas", "NewBonsaiBT", "asset", "Select a destination to save the canvas.");
if (string.IsNullOrEmpty(path))
{
return(FilePanelResult.Fail(FilePanelError.Cancel));
}
return(FilePanelResult.Ok(path));
}
/// <summary>
/// Get the path from open file dialog.
/// </summary>
/// <returns></returns>
private FilePanelResult GetCanvasOpenFilePath()
{
string path = EditorUtility.OpenFilePanel("Open Bonsai Canvas", "Assets/", "asset");
if (string.IsNullOrEmpty(path))
{
return(FilePanelResult.Fail(FilePanelError.Cancel));
}
// If the path is outside the project's asset folder.
if (!path.Contains(Application.dataPath))
{
return(FilePanelResult.Fail(FilePanelError.InvalidPath));
}
return(FilePanelResult.Ok(path));
}
/// <summary>
/// Prompts user to load a tree from file.
/// </summary>
/// <returns>The behaviour tree from the asset file. Null if load failed.</returns>
public BehaviourTree LoadBehaviourTree()
{
FilePanelResult path = GetCanvasOpenFilePath();
if (path.Success)
{
var tree = LoadBehaviourTree(path.Value);
if (tree == null)
{
OnLoadFailure();
}
else
{
OnLoadSuccess();
}
return(tree);
}
else
{
OnInvalidPathError(path.Error);
return(null);
}
}
