/// <summary>
/// Saves the the specified NodeCanvas as a new asset at path, optionally as a working copy and overwriting any existing save at path
/// </summary>
public static void SaveNodeCanvas(string path, ref NodeCanvas nodeCanvas, bool createWorkingCopy, bool safeOverwrite = true)
{
#if !UNITY_EDITOR
throw new System.NotImplementedException();
#else
nodeCanvas.CheckConnectivity();
if (string.IsNullOrEmpty(path))
{
throw new System.ArgumentNullException("Cannot save NodeCanvas: No path specified!");
}
if (nodeCanvas == null)
{
throw new System.ArgumentNullException("Cannot save NodeCanvas: The specified NodeCanvas that should be saved to path '" + path + "' is null!");
}
if (nodeCanvas.GetType() == typeof(NodeCanvas))
{
throw new System.ArgumentException("Cannot save NodeCanvas: The NodeCanvas has no explicit type! Please convert it to a valid sub-type of NodeCanvas!");
}
if (nodeCanvas.allowSceneSaveOnly)
{
throw new System.InvalidOperationException("Cannot save NodeCanvas: NodeCanvas is marked to contain scene data and cannot be saved as an asset!");
}
nodeCanvas.Validate();
if (nodeCanvas.livesInScene)
{
Debug.LogWarning("Attempting to save scene canvas '" + nodeCanvas.name + "' to an asset, references to scene object may be broken!" + (!createWorkingCopy? " Forcing creation of working copy!" : ""));
createWorkingCopy = true;
}
if (!createWorkingCopy && UnityEditor.AssetDatabase.Contains(nodeCanvas) && UnityEditor.AssetDatabase.GetAssetPath(nodeCanvas) != path)
{
Debug.LogWarning("Trying to create a duplicate save file for '" + nodeCanvas.name + "'! Forcing creation of working copy!");
nodeCanvas = CreateWorkingCopy(nodeCanvas);
}
// Prepare and update source path of the canvas
path = ResourceManager.PreparePath(path);
nodeCanvas.UpdateSource(path);
// Preprocess the canvas
NodeCanvas processedCanvas = nodeCanvas;
processedCanvas.OnBeforeSavingCanvas();
if (createWorkingCopy)
{
processedCanvas = CreateWorkingCopy(processedCanvas);
}
// Differenciate canvasSave as the canvas asset and nodeCanvas as the source incase an existing save has been overwritten
NodeCanvas canvasSave = processedCanvas;
NodeCanvas prevSave = ResourceManager.LoadResource <NodeCanvas>(path);
if (canvasSave == prevSave)
{
Debug.LogWarning("Overwriting same canvas impossible, please use another path!");
return;
}
if (safeOverwrite && prevSave != null && prevSave.GetType() == canvasSave.GetType())
{ // OVERWRITE: Delete contents of old save
Object[] subAssets = UnityEditor.AssetDatabase.LoadAllAssetsAtPath(path);
for (int i = 0; i < subAssets.Length; i++)
{ // Delete all subassets except the main canvas to preserve references
if (subAssets[i] != prevSave)
{
Object.DestroyImmediate(subAssets[i], true);
}
}
// Overwrite main canvas
OverwriteCanvas(ref prevSave, processedCanvas);
canvasSave = prevSave;
}
else
{ // Write main canvas
UnityEditor.AssetDatabase.DeleteAsset(path);
UnityEditor.AssetDatabase.CreateAsset(processedCanvas, path);
}
// Write editorStates
AddSubAssets(processedCanvas.editorStates, canvasSave);
// Write nodes + contents
foreach (Node node in processedCanvas.nodes)
{ // Write node and additional scriptable objects
AddSubAsset(node, canvasSave);
AddSubAssets(node.GetScriptableObjects(), node);
// Add all ports
ConnectionPortManager.UpdatePortLists(node, false);
foreach (ConnectionPort port in node.staticConnectionPorts)
{
AddSubAsset(port, node);
}
foreach (ConnectionPort port in node.dynamicConnectionPorts)
{
AddSubAsset(port, node);
}
}
UnityEditor.AssetDatabase.SaveAssets();
UnityEditor.AssetDatabase.Refresh();
NodeEditorCallbacks.IssueOnSaveCanvas(canvasSave);
#endif
}
/// <summary>
/// Saves the nodeCanvas in the current scene under the specified name, optionally as a working copy and overwriting any existing save at path
/// If the specified canvas is stored as an asset, the saved canvas will loose the reference to the asset
/// </summary>
public static void SaveSceneNodeCanvas(string saveName, ref NodeCanvas nodeCanvas, bool createWorkingCopy, bool safeOverwrite = true)
{
nodeCanvas.CheckConnectivity();
if (string.IsNullOrEmpty(saveName))
{
throw new System.ArgumentNullException("Cannot save Canvas to scene: No save name specified!");
}
if (nodeCanvas == null)
{
throw new System.ArgumentNullException("Cannot save NodeCanvas: The specified NodeCanvas that should be saved as '" + saveName + "' is null!");
}
if (nodeCanvas.GetType() == typeof(NodeCanvas))
{
throw new System.ArgumentException("Cannot save NodeCanvas: The NodeCanvas has no explicit type! Please convert it to a valid sub-type of NodeCanvas!");
}
if (saveName.StartsWith("SCENE/"))
{
saveName = saveName.Substring(6);
}
nodeCanvas.Validate();
if (!nodeCanvas.livesInScene
#if UNITY_EDITOR // Make sure the canvas has no reference to an asset
|| UnityEditor.AssetDatabase.Contains(nodeCanvas)
#endif
)
{
Debug.LogWarning("Creating scene save '" + nodeCanvas.name + "' for canvas saved as an asset! Forcing creation of working copy!");
nodeCanvas = CreateWorkingCopy(nodeCanvas);
}
// Update the source of the canvas
nodeCanvas.UpdateSource("SCENE/" + saveName);
// Preprocess the canvas
NodeCanvas processedCanvas = nodeCanvas;
processedCanvas.OnBeforeSavingCanvas();
if (createWorkingCopy)
{
processedCanvas = CreateWorkingCopy(processedCanvas);
}
// Get the saveHolder and store the canvas
NodeCanvas savedCanvas = processedCanvas;
NodeCanvasSceneSave sceneSave = FindSceneSave(saveName, true);
#if UNITY_EDITOR
if (sceneSave.savedNodeCanvas != null && safeOverwrite && sceneSave.savedNodeCanvas.GetType() == savedCanvas.GetType()) // OVERWRITE
{
OverwriteCanvas(ref sceneSave.savedNodeCanvas, savedCanvas);
}
if (!Application.isPlaying)
{ // Set Dirty
UnityEditor.EditorUtility.SetDirty(sceneSave.gameObject);
#if UNITY_5_3_OR_NEWER || UNITY_5_3
UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(sceneSave.gameObject.scene);
#else
UnityEditor.EditorApplication.MarkSceneDirty();
#endif
}
#endif
sceneSave.savedNodeCanvas = savedCanvas;
NodeEditorCallbacks.IssueOnSaveCanvas(savedCanvas);
}