/// <summary>
/// Create the a Node of the type specified by the nodeID at position
/// Auto-connects the passed connectingOutput if not null to the first compatible input
/// </summary>
public static Node Create(string nodeID, Vector2 position, NodeOutput connectingOutput)
{
Node node = NodeTypes.getDefaultNode(nodeID);
if (node == null)
{
throw new UnityException("Cannot create Node with id " + nodeID + " as no such Node type is registered!");
}
node = node.Create(position);
node.InitBase();
if (connectingOutput != null)
{ // Handle auto-connection and link the output to the first compatible input
foreach (NodeInput input in node.Inputs)
{
if (input.TryApplyConnection(connectingOutput))
{
break;
}
}
}
NodeEditorCallbacks.IssueOnAddNode(node);
return(node);
}
/// <summary>
/// Removes the connection of this port to the specified port if existant
/// </summary>
public void RemoveConnection(ConnectionPort port, bool silent = false)
{
#if UNITY_EDITOR
if (silent == false && port != null)
{ // Undo record
// Important: Copy variables used within anonymous functions within same level (this if block) for correct serialization!
ConnectionPort port1 = this, port2 = port;
UndoPro.UndoProManager.RecordOperation(
() => NodeEditorUndoActions.DeleteConnection(port1, port2),
() => NodeEditorUndoActions.CreateConnection(port1, port2),
"Delete Connection");
}
#endif
if (port == null)
{
Debug.LogWarning("Cannot delete null port!");
//connections.RemoveAll (p => p != null);
return;
}
if (!silent)
{
NodeEditorCallbacks.IssueOnRemoveConnection(this, port);
}
port.connections.Remove(this);
connections.Remove(port);
if (!silent)
{
body.canvas.OnNodeChange(body);
}
}
/// <summary>
/// Deletes this Node from it's host canvas and the save file
/// </summary>
public void Delete(bool silent = false)
{
if (!canvas.nodes.Contains(this))
{
throw new UnityException("The Node " + name + " does not exist on the Canvas " + canvas.name + "!");
}
if (!silent)
{
NodeEditorCallbacks.IssueOnDeleteNode(this);
}
// DestroyImmediate(this, true);
this.canvas.nodesForDelete.Add(this);
canvas.nodes.Remove(this);
for (int i = 0; i < connectionPorts.Count; i++)
{
connectionPorts[i].ClearConnections(silent);
//DestroyImmediate(connectionPorts[i], true);
}
if (!silent)
{
canvas.Validate();
}
}
private static void HandleNodeDraggingEnd(NodeEditorInputInfo inputInfo)
{
if (inputInfo.editorState.dragUserID == "node")
{
Vector2 dragStart = inputInfo.editorState.dragObjectStart;
Vector2 dragEnd = inputInfo.editorState.EndDrag("node");
if (inputInfo.editorState.dragNode && inputInfo.editorState.selectedNode != null && (dragStart - dragEnd).magnitude > 10)
{
inputInfo.editorState.selectedNode.position = dragEnd;
#if UNITY_EDITOR
// Important: Copy variables used within anonymous functions within same level (this if block) for correct serialization!
float prevX = dragStart.x, prevY = dragStart.y, newX = dragEnd.x, newY = dragEnd.y;
Node draggedNode = inputInfo.editorState.selectedNode;
UndoPro.UndoProManager.RecordOperation(
() => NodeEditorUndoActions.SetNodePosition(draggedNode, new Vector2(newX, newY)),
() => NodeEditorUndoActions.SetNodePosition(draggedNode, new Vector2(prevX, prevY)),
"Node Drag", true, false);
#endif
NodeEditorCallbacks.IssueOnMoveNode(inputInfo.editorState.selectedNode);
}
else
{
inputInfo.editorState.selectedNode.position = dragStart;
}
}
inputInfo.editorState.dragNode = false;
}
/// <summary>
/// Deletes this Transition from the Nodes
/// </summary>
public void Delete()
{
NodeEditorCallbacks.IssueOnRemoveTransition(this);
startNode.transitions.Remove(this);
endNode.transitions.Remove(this);
UnityEngine.Object.DestroyImmediate(this, true);
}
/// <summary>
/// Applies a connection between between this port and the specified port.
/// 'CanApplyConnection' has to be checked before to avoid interferences!
/// </summary>
public void ApplyConnection(ConnectionPort port, bool silent = false)
{
if (port == null)
{
return;
}
if (maxConnectionCount == ConnectionCount.Single && connections.Count > 0)
{ // Respect maximum connection count on this port
RemoveConnection(connections[0], silent);
connections.Clear();
}
connections.Add(port);
if (port.maxConnectionCount == ConnectionCount.Single && port.connections.Count > 0)
{ // Respect maximum connection count on the other port
port.RemoveConnection(port.connections[0], silent);
port.connections.Clear();
}
port.connections.Add(this);
if (!silent)
{ // Callbacks
port.body.OnAddConnection(port, this);
body.OnAddConnection(this, port);
NodeEditorCallbacks.IssueOnAddConnection(this, port);
NodeEditor.curNodeCanvas.OnNodeChange(direction == Direction.In? port.body : body);
}
}
/// <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 (!File.Exists(path))
{
throw new UnityException("Cannot Load NodeCanvas: File '" + path + "' deos not exist!");
}
// 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 UNITY_EDITOR
if (!Application.isPlaying && (nodeCanvas.editorStates == null || nodeCanvas.editorStates.Length == 0))
{ // Try to load any contained editorStates, possibly old format that did not references the states in the canvas
nodeCanvas.editorStates = ResourceManager.LoadResources <NodeEditorState> (path);
}
#endif
// Postprocess the loaded canvas
ProcessCanvas(ref nodeCanvas, createWorkingCopy);
#if UNITY_EDITOR
UnityEditor.AssetDatabase.Refresh();
#endif
NodeEditorCallbacks.IssueOnLoadCanvas(nodeCanvas);
return(nodeCanvas);
}
/// <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)
{
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!");
}
nodeCanvas.Validate();
if (!UnityEditor.AssetDatabase.Contains(nodeCanvas))
{
UnityEditor.AssetDatabase.CreateAsset(nodeCanvas, path);
}
PurifyCanvas(path);
UnityEditor.AssetDatabase.SaveAssets();
UnityEditor.AssetDatabase.Refresh();
NodeEditorCallbacks.IssueOnSaveCanvas(nodeCanvas);
}
/// <summary>
/// Deletes this Node from curNodeCanvas and the save file
/// </summary>
public void Delete()
{
if (!NodeEditor.curNodeCanvas.nodes.Contains(this))
{
throw new UnityException("The Node " + name + " does not exist on the Canvas " + NodeEditor.curNodeCanvas.name + "!");
}
NodeEditorCallbacks.IssueOnDeleteNode(this);
NodeEditor.curNodeCanvas.nodes.Remove(this);
for (int outCnt = 0; outCnt < Outputs.Count; outCnt++)
{
NodeOutput output = Outputs [outCnt];
while (output.connections.Count != 0)
{
output.connections[0].RemoveConnection();
}
DestroyImmediate(output, true);
}
for (int inCnt = 0; inCnt < Inputs.Count; inCnt++)
{
NodeInput input = Inputs [inCnt];
if (input.connection != null)
{
input.connection.connections.Remove(input);
}
DestroyImmediate(input, true);
}
for (int knobCnt = 0; knobCnt < nodeKnobs.Count; knobCnt++)
{ // Inputs/Outputs need specific treatment, unfortunately
if (nodeKnobs[knobCnt] != null)
{
DestroyImmediate(nodeKnobs[knobCnt], true);
}
}
DestroyImmediate(this, true);
}
/// <summary>
/// Applies a connection between the passed NodeOutput and this NodeInput. 'CanApplyConnection' has to be checked before to avoid interferences!
/// </summary>
public void ApplyConnection(NodeOutput output)
{
if (output == null)
{
return;
}
if (connection != null)
{
NodeEditorCallbacks.IssueOnRemoveConnection(this);
connection.connections.Remove(this);
}
connection = output;
output.connections.Add(this);
if (!output.body.calculated)
{
NodeEditor.RecalculateFrom(output.body);
}
else
{
NodeEditor.RecalculateFrom(body);
}
output.body.OnAddOutputConnection(output);
body.OnAddInputConnection(this);
NodeEditorCallbacks.IssueOnAddConnection(this);
}
/// <summary>
/// Setup of the base framework. Enough to manage and calculate canvases.
/// </summary>
private static void setupBaseFramework()
{
CheckEditorPath();
// Init Resource system. Can be called anywhere else, too, if it's needed before.
ResourceManager.SetDefaultResourcePath(editorPath + "Resources/");
// Run fetching algorithms searching the script assemblies for Custom Nodes / Connection Types / NodeCanvas Types
ConnectionPortStyles.FetchConnectionPortStyles();
NodeTypes.FetchNodeTypes();
NodeCanvasManager.FetchCanvasTypes();
ConnectionPortManager.FetchNodeConnectionDeclarations();
ImportExportManager.FetchIOFormats();
// Setup Callback system
NodeEditorCallbacks.SetupReceivers();
NodeEditorCallbacks.IssueOnEditorStartUp();
// Init input
NodeEditorInputSystem.SetupInput();
#if UNITY_EDITOR
UnityEditor.EditorApplication.update -= Update;
UnityEditor.EditorApplication.update += Update;
#endif
initiatedBase = true;
}
/// <summary>
/// Deletes this Node from curNodeCanvas. Depends on that.
/// </summary>
public void Delete()
{
NodeEditor.curNodeCanvas.nodes.Remove(this);
for (int outCnt = 0; outCnt < Outputs.Count; outCnt++)
{
NodeOutput output = Outputs [outCnt];
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
{
output.connections [outCnt].connection = null;
}
DestroyImmediate(output, true);
}
for (int inCnt = 0; inCnt < Inputs.Count; inCnt++)
{
NodeInput input = Inputs [inCnt];
if (input.connection != null)
{
input.connection.connections.Remove(input);
}
DestroyImmediate(input, true);
}
DestroyImmediate(this, true);
#if UNITY_EDITOR
if (!String.IsNullOrEmpty(UnityEditor.AssetDatabase.GetAssetPath(NodeEditor.curNodeCanvas)))
{
UnityEditor.AssetDatabase.ImportAsset(UnityEditor.AssetDatabase.GetAssetPath(NodeEditor.curNodeCanvas));
}
#endif
NodeEditorCallbacks.IssueOnDeleteNode(this);
}
/// <summary>
/// Removes the connection from NodeInput.
/// </summary>
public static void RemoveConnection(NodeInput input)
{
NodeEditorCallbacks.IssueOnRemoveConnection(input);
input.connection.connections.Remove(input);
input.connection = null;
NodeEditor.RecalculateFrom(input.body);
}
/// <summary>
/// Saves the the given NodeCanvas along with the given NodeEditorStates if specified as a new asset, optionally as working copies
/// </summary>
public static void SaveNodeCanvas(string path, NodeCanvas nodeCanvas, bool createWorkingCopy)
{
#if !UNITY_EDITOR
throw new System.NotImplementedException();
#endif
if (string.IsNullOrEmpty(path))
{
throw new UnityException("Cannot save NodeCanvas: No spath specified to save the NodeCanvas " + (nodeCanvas != null? nodeCanvas.name : "") + " to!");
}
if (nodeCanvas == null)
{
throw new UnityException("Cannot save NodeCanvas: The specified NodeCanvas that should be saved to path " + path + " is null!");
}
if (nodeCanvas.livesInScene)
{
Debug.LogWarning("Attempting to save scene canvas " + nodeCanvas.name + " to an asset, scene object references will be broken!" + (!createWorkingCopy? " No workingCopy is going to be created, so your scene save is broken, too!" : ""));
}
#if UNITY_EDITOR
if (!createWorkingCopy && UnityEditor.AssetDatabase.Contains(nodeCanvas) && UnityEditor.AssetDatabase.GetAssetPath(nodeCanvas) != path)
{
Debug.LogError("Trying to create a duplicate save file for '" + nodeCanvas.name + "'! Forcing to create a working copy!"); createWorkingCopy = true;
}
#endif
nodeCanvas.livesInScene = false;
nodeCanvas.Validate();
#if UNITY_EDITOR
// Preprocess the canvas
if (createWorkingCopy)
{
nodeCanvas = CreateWorkingCopy(nodeCanvas, true);
Compress(ref nodeCanvas);
}
// Write canvas and editorStates
UnityEditor.AssetDatabase.CreateAsset(nodeCanvas, path);
AddSubAssets(nodeCanvas.editorStates, nodeCanvas);
// Write nodes + contents
foreach (Node node in nodeCanvas.nodes)
{ // Write node and additional scriptable objects
AddSubAsset(node, nodeCanvas);
AddSubAssets(node.GetScriptableObjects(), node);
foreach (NodeKnob knob in node.nodeKnobs)
{ // Write knobs and their additional scriptable objects
AddSubAsset(knob, node);
AddSubAssets(knob.GetScriptableObjects(), knob);
}
}
UnityEditor.AssetDatabase.SaveAssets();
UnityEditor.AssetDatabase.Refresh();
#else
// TODO: Node Editor: Need to implement ingame-saving (Resources, AsssetBundles, ... won't work)
#endif
NodeEditorCallbacks.IssueOnSaveCanvas(nodeCanvas);
}
private static void HandleNodeDragging(NodeEditorInputInfo inputInfo)
{
NodeEditorState state = inputInfo.editorState;
if (state.dragNode)
{ // If conditions apply, drag the selected node, else disable dragging
if (state.selectedNode != null && GUIUtility.hotControl == 0)
{ // Calculate new position for the dragged object
state.dragOffset = inputInfo.inputPos - state.dragStart;
Vector2 delta = (state.dragPos + state.dragOffset * state.zoom) - state.selectedNode.rect.position;
state.selectedNode.rect.position = state.dragPos + state.dragOffset * state.zoom;
if (inputInfo.inputEvent.alt)
{
Dictionary <Node, int> d = new Dictionary <Node, int>();
d[state.selectedNode] = 1;
MoveChildren(ref d, state.selectedNode, delta);
}
NodeEditorCallbacks.IssueOnMoveNode(state.selectedNode);
NodeEditor.RepaintClients();
}
else
{
state.dragNode = false;
}
}
}
/// <summary>
/// Re-Inits the NodeCanvas regardless of whetehr it was initiated before
/// </summary>
public static void ReInit(bool GUIFunction)
{
CheckEditorPath();
// Init Resource system. Can be called anywhere else, too, if it's needed before.
ResourceManager.SetDefaultResourcePath(editorPath + "Resources/");
// Init NE GUI. I may throw an error if a texture was not found.
if (!NodeEditorGUI.Init(GUIFunction))
{
InitiationError = true;
return;
}
// Run fetching algorithms searching the script assemblies for Custom Nodes / Connection Types
ConnectionTypes.FetchTypes();
NodeTypes.FetchNodes();
// Setup Callback system
NodeEditorCallbacks.SetupReceivers();
NodeEditorCallbacks.IssueOnEditorStartUp();
// Init GUIScaleUtility. This fetches reflected calls and my throw a message notifying about incompability.
GUIScaleUtility.CheckInit();
#if UNITY_EDITOR
UnityEditor.EditorApplication.update -= Update;
UnityEditor.EditorApplication.update += Update;
RepaintClients();
#endif
initiated = true;
}
/// <summary>
/// Creates a node of the specified ID at pos on the specified canvas, optionally auto-connecting the specified output to a matching input
/// silent disables any events, init specifies whether OnCreate should be called
/// </summary>
public static Node Create(string nodeID, Vector2 pos, NodeCanvas hostCanvas, ConnectionPort connectingPort = null, bool silent = false, bool init = true)
{
if (string.IsNullOrEmpty(nodeID) || hostCanvas == null)
{
throw new ArgumentException();
}
if (!NodeCanvasManager.CheckCanvasCompability(nodeID, hostCanvas.GetType()))
{
throw new UnityException("Cannot create Node with ID '" + nodeID + "' as it is not compatible with the current canavs type (" + hostCanvas.GetType().ToString() + ")!");
}
if (!hostCanvas.CanAddNode(nodeID))
{
throw new UnityException("Cannot create Node with ID '" + nodeID + "' on the current canvas of type (" + hostCanvas.GetType().ToString() + ")!");
}
// Create node from data
NodeTypeData data = NodeTypes.getNodeData(nodeID);
Node node = (Node)CreateInstance(data.type);
if (node == null)
{
return(null);
}
// Init node state
node.name = node.Title;
node.autoSize = node.DefaultSize;
node.position = pos;
node.Canvas = hostCanvas;
ConnectionPortManager.UpdateConnectionPorts(node);
if (init)
{
node.OnCreate();
}
if (connectingPort != null)
{ // Handle auto-connection and link the output to the first compatible input
for (int i = 0; i < node.connectionPorts.Count; i++)
{
if (node.connectionPorts[i].TryApplyConnection(connectingPort, silent))
{
break;
}
}
}
// Add node to host canvas
hostCanvas.nodes.Add(node);
if (!silent)
{ // Callbacks
hostCanvas.OnNodeChange(connectingPort != null ? connectingPort.body : node);
NodeEditorCallbacks.IssueOnAddNode(node);
hostCanvas.Validate();
NodeEditor.RepaintClients();
}
return(node);
}
public void RemoveConnection()
{
if (!((UnityEngine.Object)connection == (UnityEngine.Object)null))
{
NodeEditorCallbacks.IssueOnRemoveConnection(this);
connection.connections.Remove(this);
connection = null;
NodeEditor.RecalculateFrom(body);
}
}
/// <summary>
/// Creates a transition from node to node
/// </summary>
public static void CreateTransition(Node fromNode, Node toNode)
{
Transition trans = Transition.Create(fromNode, toNode);
if (trans != null)
{
fromNode.OnAddTransition(trans);
toNode.OnAddTransition(trans);
NodeEditorCallbacks.IssueOnAddTransition(trans);
}
}
/// <summary>
/// Removes the connection from this NodeInput
/// </summary>
public void RemoveConnection()
{
if (connection == null)
{
return;
}
NodeEditorCallbacks.IssueOnRemoveConnection(this);
connection.connections.Remove(this);
connection = null;
NodeEditor.curNodeCanvas.OnNodeChange(body);
}
private static void HandleNodeDraggingEnd(NodeEditorInputInfo inputInfo)
{
if (inputInfo.editorState.dragUserID == "node")
{
Vector2 totalDrag = inputInfo.editorState.EndDrag("node");
if (inputInfo.editorState.dragNode && inputInfo.editorState.selectedNode != null)
{
inputInfo.editorState.selectedNode.position = totalDrag;
NodeEditorCallbacks.IssueOnMoveNode(inputInfo.editorState.selectedNode);
}
}
inputInfo.editorState.dragNode = false;
}
/// <summary>
/// Removes the connection from this NodeInput
/// </summary>
public void RemoveConnection()
{
if (connection == null)
{
return;
}
NodeEditorCallbacks.IssueOnRemoveConnection(this);
connection.connections.Remove(this);
connection = null;
NodeEditor.RecalculateFrom(body);
}
public static void checkInit()
{
if (!initiated && !InitiationError)
{
#if UNITY_EDITOR
Object script = UnityEditor.AssetDatabase.LoadAssetAtPath(editorPath + "Framework/NodeEditor.cs", typeof(Object));
if (script == null)
{
Debug.LogError("Node Editor: Not installed in default directory '" + editorPath + "'! Please modify the editorPath variable in the source!");
InitiationError = true;
return;
}
#endif
Background = LoadTexture("Textures/background.png");
AALineTex = LoadTexture("Textures/AALine.png");
if (!Background || !AALineTex)
{
InitiationError = true;
return;
}
ConnectionTypes.FetchTypes();
NodeTypes.FetchNodes();
NodeEditorCallbacks.SetupReceivers();
NodeEditorCallbacks.IssueOnEditorStartUp();
// Styles
nodeBox = new GUIStyle(GUI.skin.box);
#if UNITY_EDITOR
nodeBox.normal.background = ColorToTex(UnityEditor.EditorGUIUtility.isProSkin? new Color(0.5f, 0.5f, 0.5f) : new Color(0.2f, 0.2f, 0.2f));
#else
nodeBox.normal.background = ColorToTex(new Color(0.2f, 0.2f, 0.2f));
#endif
nodeBox.normal.textColor = new Color(0.7f, 0.7f, 0.7f);
nodeButton = new GUIStyle(GUI.skin.button);
nodeLabel = new GUIStyle(GUI.skin.label);
nodeLabel.normal.textColor = new Color(0.7f, 0.7f, 0.7f);
nodeLabelBold = new GUIStyle(nodeLabel);
nodeLabelBold.fontStyle = FontStyle.Bold;
nodeLabelBold.wordWrap = false;
initiated = true;
}
return;
}
static void MoveChildren(ref Dictionary <Node, int> _dic, Node _n, Vector2 _delta)
{
foreach (var input in _n.Inputs)
{
Node cn = input.connection.body;
if (!_dic.ContainsKey(cn))
{
cn.rect.position += _delta;
NodeEditorCallbacks.IssueOnMoveNode(cn);
MoveChildren(ref _dic, cn, _delta);
_dic[cn] = 1;
}
}
}
/// <summary>
/// Loads the editorStates found in the nodeCanvas asset file at path
/// </summary>
public static List <NodeEditorState> LoadEditorStates(string path)
{
if (String.IsNullOrEmpty(path))
{
return(new List <NodeEditorState> ());
}
#if UNITY_EDITOR
Object[] objects = UnityEditor.AssetDatabase.LoadAllAssetsAtPath(path);
#else
Object[] objects = Resources.LoadAll(path);
#endif
if (objects.Length == 0)
{
return(new List <NodeEditorState> ());
}
// Obtain the editorStates in that asset file
List <NodeEditorState> editorStates = new List <NodeEditorState> ();
NodeCanvas nodeCanvas = null;
for (int cnt = 0; cnt < objects.Length; cnt++)
{
Object obj = objects [cnt];
if (obj.GetType() == typeof(NodeEditorState))
{
NodeEditorState editorState = obj as NodeEditorState;
editorStates.Add(editorState);
NodeEditorCallbacks.IssueOnLoadEditorState(editorState);
}
else if (obj.GetType() == typeof(NodeCanvas))
{
nodeCanvas = obj as NodeCanvas;
}
}
if (nodeCanvas == null)
{
return(new List <NodeEditorState> ());
}
for (int stateCnt = 0; stateCnt < editorStates.Count; stateCnt++)
{
editorStates[stateCnt] = GetWorkingCopy(editorStates[stateCnt], nodeCanvas);
}
#if UNITY_EDITOR
UnityEditor.AssetDatabase.Refresh();
#endif
return(editorStates);
}
/// <summary>
/// Saves the current node canvas as a new asset and links optional editorStates with it
/// </summary>
public static void SaveNodeCanvas(NodeCanvas nodeCanvas, string path, params NodeEditorState[] editorStates)
{
if (String.IsNullOrEmpty(path))
{
return;
}
nodeCanvas = GetWorkingCopy(nodeCanvas);
for (int stateCnt = 0; stateCnt < editorStates.Length; stateCnt++)
{
editorStates[stateCnt] = GetWorkingCopy(editorStates[stateCnt], nodeCanvas);
}
#if UNITY_EDITOR
UnityEditor.AssetDatabase.CreateAsset(nodeCanvas, path);
foreach (NodeEditorState editorState in editorStates)
{
UnityEditor.AssetDatabase.AddObjectToAsset(editorState, nodeCanvas);
editorState.hideFlags = HideFlags.HideInHierarchy;
}
for (int nodeCnt = 0; nodeCnt < nodeCanvas.nodes.Count; nodeCnt++)
{ // Add every node and every of it's inputs/outputs into the file.
// Results in a big mess but there's no other way (like a hierarchy)
Node node = nodeCanvas.nodes [nodeCnt];
UnityEditor.AssetDatabase.AddObjectToAsset(node, nodeCanvas);
node.hideFlags = HideFlags.HideInHierarchy;
for (int inCnt = 0; inCnt < node.Inputs.Count; inCnt++)
{
UnityEditor.AssetDatabase.AddObjectToAsset(node.Inputs [inCnt], node);
node.Inputs [inCnt].hideFlags = HideFlags.HideInHierarchy;
}
for (int outCnt = 0; outCnt < node.Outputs.Count; outCnt++)
{
UnityEditor.AssetDatabase.AddObjectToAsset(node.Outputs [outCnt], node);
node.Outputs [outCnt].hideFlags = HideFlags.HideInHierarchy;
}
for (int transCnt = 0; transCnt < node.transitions.Count; transCnt++)
{
UnityEditor.AssetDatabase.AddObjectToAsset(node.transitions [transCnt], node);
node.transitions [transCnt].hideFlags = HideFlags.HideInHierarchy;
}
}
UnityEditor.AssetDatabase.SaveAssets();
UnityEditor.AssetDatabase.Refresh();
#else
// TODO: Node Editor: Need to implement ingame-saving (Resources, AsssetBundles, ... won't work)
#endif
NodeEditorCallbacks.IssueOnSaveCanvas(nodeCanvas);
}
public static Node Create(string nodeID, Vector2 position)
{
Node node = NodeTypes.getDefaultNode(nodeID);
if (node == null)
{
throw new UnityException("Cannot create Node with id " + nodeID + " as no such Node type is registered!");
}
node = node.Create(position);
node.InitBase();
NodeEditorCallbacks.IssueOnAddNode(node);
return(node);
}
/// <summary>
/// Applies a connection between output and input. 'CanApplyConnection' has to be checked before
/// </summary>
public static void ApplyConnection(NodeOutput output, NodeInput input)
{
if (input != null && output != null)
{
if (input.connection != null)
{
input.connection.connections.Remove(input);
}
input.connection = output;
output.connections.Add(input);
NodeEditor.RecalculateFrom(input.body);
NodeEditorCallbacks.IssueOnAddConnection(input);
}
}
protected static void ReassignOutputType(ref NodeOutput output, Type newOutputType)
{
Node body = output.body;
string name = output.name;
IEnumerable <NodeInput> enumerable = from connection in output.connections
where connection.typeData.Type.IsAssignableFrom(newOutputType)
select connection;
output.Delete();
NodeEditorCallbacks.IssueOnAddNodeKnob(NodeOutput.Create(body, name, newOutputType.AssemblyQualifiedName));
output = body.Outputs[body.Outputs.Count - 1];
foreach (NodeInput item in enumerable)
{
item.ApplyConnection(output);
}
}
/// <summary>
/// Removes the connection of this port to the specified port if existant
/// </summary>
public void RemoveConnection(ConnectionPort port, bool silent = false)
{
Undo.RecordObjects(new [] { this, port }, "NodeEditor_连接移除保存");
if (port == null)
{
connections.RemoveAll(p => p != null);
return;
}
if (!silent)
{
NodeEditorCallbacks.IssueOnRemoveConnection(this, port);
}
port.connections.Remove(this);
connections.Remove(port);
}
