/// <summary>
/// Loads the NodeCanvas from the asset file at path and optionally creates a working copy of it before returning
/// </summary>
public static NodeCanvas LoadNodeCanvas(string path, bool createWorkingCopy)
{
#if !UNITY_EDITOR
throw new System.NotImplementedException();
#else
if (string.IsNullOrEmpty(path))
{
throw new System.ArgumentNullException("Cannot load Canvas: No path specified!");
}
path = ResourceManager.PreparePath(path);
// Load only the NodeCanvas from the save file
NodeCanvas nodeCanvas = ResourceManager.LoadResource <NodeCanvas> (path);
if (nodeCanvas == null)
{
throw new UnityException("Cannot load NodeCanvas: The file at the specified path '" + path + "' is no valid save file as it does not contain a NodeCanvas!");
}
if (!Application.isPlaying && (nodeCanvas.editorStates == null || nodeCanvas.editorStates.Length == 0))
{ // Try to load any contained editorStates, as the canvas did not reference any
nodeCanvas.editorStates = ResourceManager.LoadResources <NodeEditorState> (path);
}
// Set the path as the new source of the canvas
nodeCanvas.UpdateSource(path);
// Postprocess the loaded canvas
nodeCanvas.Validate();
if (createWorkingCopy)
{
nodeCanvas = CreateWorkingCopy(nodeCanvas);
}
NodeEditorCallbacks.IssueOnLoadCanvas(nodeCanvas);
return(nodeCanvas);
#endif
}
/// <summary>
/// Loads the nodeCanvas stored in the current scene under the specified name and optionally creates a working copy of it before returning
/// </summary>
public static NodeCanvas LoadSceneNodeCanvas(string saveName, bool createWorkingCopy)
{
if (string.IsNullOrEmpty(saveName))
{
throw new System.ArgumentNullException("Cannot load Canvas from scene: No save name specified!");
}
if (saveName.StartsWith("SCENE/"))
{
saveName = saveName.Substring(6);
}
// Load SceneSave
NodeCanvasSceneSave sceneSave = FindSceneSave(saveName);
if (sceneSave == null || sceneSave.savedNodeCanvas == null)
{
return(null);
}
// Extract the saved canvas and editorStates
NodeCanvas savedCanvas = sceneSave.savedNodeCanvas;
// Set the saveName as the new source of the canvas
savedCanvas.UpdateSource("SCENE/" + saveName);
// Postprocess the loaded canvas
savedCanvas.Validate();
if (createWorkingCopy)
{
savedCanvas = CreateWorkingCopy(savedCanvas);
}
NodeEditorCallbacks.IssueOnLoadCanvas(savedCanvas);
return(savedCanvas);
}
public static NodeCanvas LoadNodeCanvas(string path, bool createWorkingCopy)
{
if (!File.Exists(path))
{
throw new UnityException("Cannot Load NodeCanvas: File '" + path + "' deos not exist!");
}
NodeCanvas nodeCanvas = ResourceManager.LoadResource <NodeCanvas>(path);
if ((UnityEngine.Object)nodeCanvas == (UnityEngine.Object)null)
{
throw new UnityException("Cannot Load NodeCanvas: The file at the specified path '" + path + "' is no valid save file as it does not contain a NodeCanvas!");
}
if (createWorkingCopy)
{
nodeCanvas = CreateWorkingCopy(nodeCanvas, true);
}
else
{
nodeCanvas.Validate();
}
Uncompress(ref nodeCanvas);
NodeEditorCallbacks.IssueOnLoadCanvas(nodeCanvas);
return(nodeCanvas);
}
/// <summary>
/// Loads the NodeCanvas from the asset file at path and optionally creates a working copy of it before returning
/// </summary>
public static NodeCanvas LoadNodeCanvas(string path, bool createWorkingCopy)
{
if (string.IsNullOrEmpty(path))
{
throw new UnityException("Cannot Load NodeCanvas: No path specified to load the NodeCanvas from!");
}
// Fetch all objects in the save file
ScriptableObject[] objects = ResourceManager.LoadResources <ScriptableObject> (path);
if (objects == null || objects.Length == 0)
{
throw new UnityException("Cannot Load NodeCanvas: The specified path '" + path + "' does not point to a save file!");
}
// Filter out the NodeCanvas out of these objects
NodeCanvas nodeCanvas = objects.Single((ScriptableObject obj) => (obj as NodeCanvas) != null) as NodeCanvas;
if (nodeCanvas == null)
{
throw new UnityException("Cannot Load NodeCanvas: The file at the specified path '" + path + "' is no valid save file as it does not contain a NodeCanvas!");
}
#if UNITY_EDITOR // Create a working copy of it
if (createWorkingCopy)
{
CreateWorkingCopy(ref nodeCanvas, false);
if (nodeCanvas == null)
{
throw new UnityException("Cannot Load NodeCanvas: Failed to create a working copy for the NodeCanvas at path '" + path + "' during the loading process!");
}
}
UnityEditor.AssetDatabase.Refresh();
#endif
NodeEditorCallbacks.IssueOnLoadCanvas(nodeCanvas);
return(nodeCanvas);
}