Node PriorLoop(Node n)
{
List <Node> nodes = new List <Node>();
nodes.Add(n);
for (int index = 0; index < nodes.Count; index++)
{
var node = nodes[index];
foreach (var i in node.Outputs)
{
if (i != null)// && i.connection!=null)
{
foreach (var c in i.connections)
{
Node body = c.connection.body;
if (!nodes.Contains(body))
{
nodes.Add(body);
}
if (body is LoopBasic)
{
return(body);
}
}
}
}
}
return(n);
}
public Socket(Node parent, Type type, string label, bool acceptMultiple, Color color)
{
m_node = parent;
m_type = type;
m_value = null;
m_sockets = new List<Socket>();
m_acceptMultipleConnections = acceptMultiple;
m_label = label;
m_color = color;
}
void Dialogue()
{
if (currentNode == null)
{
//find conversation root node
System.Collections.Generic.List <NodeEditorFramework.Node> nodes = interactTarget.InteractionTree.nodes;
RootNode root = null;
for (var i = 0; i < nodes.Count; ++i)
{
if (nodes[i] is RootNode)
{
RootNode cur = (RootNode)nodes[i];
if (cur.Name == interactTarget.Root)
{
root = cur;
break;
}
}
}
if (root != null)
{
currentNode = root.Outputs[0].GetNodeAcrossConnection();
done = false;
}
else
{
State = States.Explore;
Debug.Log(string.Format("Could not find root node \"{0}\" in InteractionTree!"));
}
}
else //if there is a node to be done
{
if (!done)
{
DialogueNode d = (DialogueNode)currentNode;
Debug.Log(interactTarget.gameObject.name + " says: " + d.DialogueText);
done = true;
}
}
if (Input.GetButtonDown("Submit"))
{
if (currentNode != null)
{
//get the next node along
currentNode = currentNode.Outputs[0].GetNodeAcrossConnection();
done = false;
if (currentNode == null)
{
State = States.Explore;
Debug.Log("Conversation over!");
}
}
}
}
public static Transition Create(Node from, Node to)
{
if (NodeTypes.getNodeData (from).transitions == false || NodeTypes.getNodeData (to).transitions == false)
return null;
Transition transition = CreateInstance<Transition> ();
transition.name = "Transition " + from.name + "-" + to.name;
transition.startNode = from;
transition.endNode = to;
transition.conditions = new List<Func<Transition, bool>> ();
return transition;
}
private static void KeyDupe(NodeEditorInputInfo inputInfo)
{
inputInfo.SetAsCurrentEnvironment();
NodeEditorState state = inputInfo.editorState;
if (state.focusedNode != null)
{ // Create new node of same type
Node duplicatedNode = Node.Create(state.focusedNode.GetID, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), state.connectOutput);
state.selectedNode = state.focusedNode = duplicatedNode;
state.connectOutput = null;
inputInfo.inputEvent.Use();
}
}
/*
* if (e.alt)
* {
* Dictionary<Node, int> d = new Dictionary<Node, int>();
* d[curEditorState.selectedNode] = 1;
*
* MoveChildren(ref d, curEditorState.selectedNode, delta);
* }
*/
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;
}
}
}
private void NewNodeCallback(Node node)
{
if (m_ReplaceNode != null)
{
for (int index = 0; index < m_ReplaceNode.Inputs.Count; index++)
{
var oldInput = m_ReplaceNode.Inputs[index];
if (oldInput.connection != null)
{
for (int indexNewNodesInputs = 0; indexNewNodesInputs < node.Inputs.Count; indexNewNodesInputs++)
{
var newInput = node.Inputs[indexNewNodesInputs];
if (newInput.connection == null && newInput.typeID == oldInput.typeID)
{
newInput.ApplyConnection(oldInput.connection);
//newInput.connection = oldInput.connection;
break;
}
}
}
}
for (int index = 0; index < m_ReplaceNode.Outputs.Count; index++)
{
var oldOutput = m_ReplaceNode.Outputs[index];
if (oldOutput.connections != null)
{
for (int indexNewNodesOutputs = 0; indexNewNodesOutputs < node.Outputs.Count; indexNewNodesOutputs++)
{
var newOutput = node.Outputs[indexNewNodesOutputs];
if (newOutput.typeID == oldOutput.typeID)
{
for (int i = oldOutput.connections.Count - 1; i >= 0; i--)
{
var x = oldOutput.connections[i];
x.ApplyConnection(newOutput);
//newOutput.connections = oldOutput.connections;
}
break;
}
}
}
}
node.rect = m_ReplaceNode.rect;
m_ReplaceNode.Delete();
m_ReplaceNode = null;
NodeEditor.RecalculateFrom(node);
}
}
public static Transition Create (Node fromNode, Node toNode)
{
if (fromNode.AcceptsTranstitions == false || toNode.AcceptsTranstitions == false || fromNode == toNode)
return null;
var transition = CreateInstance<Transition> ();
transition.name = "Transition " + fromNode.name + "-" + toNode.name;
transition.StartNode = fromNode;
transition.EndNode = toNode;
transition.Conditions = new List<Func<Transition, bool>> ();
fromNode.Transitions.Add (transition);
toNode.Transitions.Add (transition);
return transition;
}
/// <summary>
/// Creates a Transition between the given Nodes with the given transitioning time in secs
/// </summary>
public static Transition Create(Node fromNode, Node toNode, float TransitionTimeInSec)
{
if (fromNode.AcceptsTranstitions == false || toNode.AcceptsTranstitions == false || fromNode == toNode)
return null;
Transition transition = CreateInstance<Transition> ();
transition.name = "Transition " + fromNode.name + "-" + toNode.name;
transition.startNode = fromNode;
transition.endNode = toNode;
transition.transitionTime = TransitionTimeInSec;
fromNode.transitions.Add (transition);
toNode.transitions.Add (transition);
return transition;
}
public NodeView(Node node, Vector2 position)
{
if (m_leftLabel == null || m_rightLabel == null)
{
m_leftLabel = new GUIStyle();
m_rightLabel = new GUIStyle();
m_leftLabel.alignment = TextAnchor.MiddleLeft;
m_rightLabel.alignment = TextAnchor.MiddleRight;
}
m_size = new Vector2(DEFAULT_WIDTH, DEFAULT_HEIGHT);
m_node = node;
m_rect = new Rect(position, m_size);
m_socketViews = new SocketView[0];
BuildSockets(Node.InputCount, Node.OutputCount,
new Vector2(0f, 16f), new Vector2(m_rect.width, 16f));
}
/// <summary>
/// Begins to transition the passed nodeCanvas from beginNode
/// </summary>
public static void BeginTransitioning(NodeCanvas nodeCanvas, Node beginNode)
{
if (!nodeCanvas.nodes.Contains (beginNode))
throw new UnityException ("Node to begin transitioning from has to be associated with the passed NodeEditorState!");
nodeCanvas.currentNode = beginNode;
nodeCanvas.currentTransition = null;
if (!transitioningNodeCanvases.Contains (nodeCanvas))
transitioningNodeCanvases.Add (nodeCanvas);
RepaintClients ();
// Debug.Log ("Beginning transitioning " + nodeCanvas.name + " from Node " + beginNode.name);
nodeCanvas.currentNode.OnEnter (null);
#if UNITY_EDITOR
NEUpdate -= UpdateTransitions;
NEUpdate += UpdateTransitions;
#endif
}
public static void CreateTransition(Node from, Node to)
{
from.transitions.Add (Transition.Create (from, to));
}
/// <summary>
/// Recursively checks whether this node is a child of the other node
/// </summary>
public bool isChildOf(Node otherNode)
{
if (otherNode == null || otherNode == this)
return false;
if (BeginRecursiveSearchLoop ()) return false;
for (int cnt = 0; cnt < Inputs.Count; cnt++)
{
NodeOutput connection = Inputs [cnt].connection;
if (connection != null)
{
if (connection.body != startRecursiveSearchNode)
{
if (connection.body == otherNode || connection.body.isChildOf (otherNode))
{
StopRecursiveSearchLoop ();
return true;
}
}
}
}
EndRecursiveSearchLoop ();
return false;
}
/// <summary>
/// Recursive function which continues calculation on this node and all the child nodes
/// Usually does not need to be called manually
/// Returns success/failure of this node only
/// </summary>
public static bool ContinueCalculation(Node node)
{
if (node.descendantsCalculated () && node.Calculate ())
{ // finished Calculating, continue with the children
for (int outCnt = 0; outCnt < node.Outputs.Count; outCnt++)
{
NodeOutput output = node.Outputs [outCnt];
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
ContinueCalculation (output.connections [conCnt].body);
}
workList.Remove (node);
node.calculated = true;
return true;
}
else if (!workList.Contains (node))
{ // failed to calculate, add it to check later
workList.Add (node);
}
return false;
}
private void SaveNewNode(Node node)
{
if (!mainNodeCanvas.nodes.Contains (node))
throw new UnityException ("Cache system: Writing new Node to save file failed as Node is not part of the Cache!");
string path = tempSessionPath + "/LastSession.asset";
if (AssetDatabase.GetAssetPath (mainNodeCanvas) != path)
throw new UnityException ("Cache system error: Current Canvas is not saved as the temporary cache!");
NodeEditorSaveManager.AddSubAsset (node, path);
foreach (NodeKnob knob in node.nodeKnobs)
NodeEditorSaveManager.AddSubAsset (knob, path);
AssetDatabase.SaveAssets ();
AssetDatabase.Refresh ();
}
/// <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>
/// Draws the node. Depends on curEditorState
/// </summary>
public static void DrawNode(Node node)
{
// TODO: Node Editor Feature: Custom Windowing System
Rect nodeRect = node.rect;
nodeRect.position += curEditorState.zoomPanAdjust;
float headerHeight = 20;
Rect headerRect = new Rect (nodeRect.x, nodeRect.y, nodeRect.width, headerHeight);
Rect bodyRect = new Rect (nodeRect.x, nodeRect.y + headerHeight, nodeRect.width, nodeRect.height - headerHeight);
GUIStyle headerStyle = new GUIStyle (GUI.skin.box);
if (curEditorState.activeNode == node)
headerStyle.fontStyle = FontStyle.Bold;
GUI.Label (headerRect, new GUIContent (node.name), headerStyle);
GUI.changed = false;
GUILayout.BeginArea (bodyRect, GUI.skin.box);
node.NodeGUI ();
GUILayout.EndArea ();
}
public static Node MoveNext(Node node)
{
if (NodeTypes.getNodeData (node).transitions == false)
{
Debug.LogError ("Node " + node.ToString () + " does not accept Transitions!");
return null;
}
for (int transCnt = 0; transCnt < node.transitions.Count; transCnt++)
{
if (node.transitions[transCnt].conditionsMet ())
return node.transitions[transCnt].endNode;
}
return node;
}
/// <summary>
/// Ends the recursive search loop if this was the start node
/// </summary>
internal void EndRecursiveSearchLoop()
{
if (startRecursiveSearchNode == this)
{ // End search
recursiveSearchSurpassed = null;
startRecursiveSearchNode = null;
}
}
/// <summary>
/// Recursive function which continues calculation on this node and all the child nodes
/// Usually does not need to be called manually
/// Returns success/failure of this node only
/// </summary>
public static bool ContinueCalculation (Node node)
{
if (node.calculated)
return false;
if ((node.descendantsCalculated () || node.isInLoop ()) && node.Calculate ())
{ // finished Calculating, continue with the children
node.calculated = true;
calculationCount++;
workList.Remove (node);
if (node.ContinueCalculation && calculationCount < 1000)
{
foreach (NodeOutput output in node.Outputs)
{
foreach (NodeInput connection in output.connections)
ContinueCalculation (connection.body);
}
}
else if (calculationCount >= 1000)
Debug.LogError ("Stopped calculation because of suspected Recursion. Maximum calculation iteration is currently at 1000!");
return true;
}
else if (!workList.Contains (node))
{ // failed to calculate, add it to check later
workList.Add (node);
}
return false;
}
public static void IssueOnMoveNode (Node node)
{
if (OnMoveNode != null)
OnMoveNode.Invoke (node);
for (int cnt = 0; cnt < receiverCount; cnt++)
{
if (callbackReceiver [cnt] == null)
callbackReceiver.RemoveAt (cnt--);
else
callbackReceiver [cnt].OnMoveNode (node);
}
}
/// <summary>
/// Recalculate from this node.
/// Usually does not need to be called manually
/// </summary>
public static void RecalculateFrom (Node node)
{
node.ClearCalculation ();
workList = new List<Node> { node };
StartCalculation ();
}
public static void CreateTransition(Node fromNode, Node toNode)
{
Transition.Create (fromNode, toNode);
}
/// <summary>
/// A recursive function to clear all calculations depending on this node.
/// Usually does not need to be called manually
/// </summary>
public void ClearCalculation()
{
if (startRecursiveSearchNode == null || recursiveSearchSurpassed == null)
{ // Start search
recursiveSearchSurpassed = new List<Node> ();
startRecursiveSearchNode = this;
}
if (recursiveSearchSurpassed.Contains (this))
return;
recursiveSearchSurpassed.Add (this);
calculated = false;
for (int outCnt = 0; outCnt < Outputs.Count; outCnt++)
{
NodeOutput output = Outputs [outCnt];
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
output.connections [conCnt].body.ClearCalculation ();
}
if (startRecursiveSearchNode == this)
{ // End search
recursiveSearchSurpassed = null;
startRecursiveSearchNode = null;
}
}
/// <summary>
/// Recursively checks whether any node in the loop to be made allows recursion.
/// Other node is the node this node needs connect to in order to fill the loop (other node being the node coming AFTER this node).
/// That means isChildOf has to be confirmed before calling this!
/// </summary>
internal bool allowsLoopRecursion(Node otherNode)
{
if (AllowRecursion)
return true;
if (otherNode == null)
return false;
if (BeginRecursiveSearchLoop ()) return false;
for (int cnt = 0; cnt < Inputs.Count; cnt++)
{
NodeOutput connection = Inputs [cnt].connection;
if (connection != null)
{
if (connection.body != startRecursiveSearchNode)
{
if (connection.body.allowsLoopRecursion (otherNode))
{
StopRecursiveSearchLoop ();
return true;
}
}
}
}
EndRecursiveSearchLoop ();
return false;
}
public virtual void OnDeleteNode (Node node) {}
/// <summary>
/// Begins the recursive search loop and returns whether this node has already been searched
/// </summary>
internal bool BeginRecursiveSearchLoop()
{
if (startRecursiveSearchNode == null || recursiveSearchSurpassed == null)
{ // Start search
recursiveSearchSurpassed = new List<Node> ();
startRecursiveSearchNode = this;
}
if (recursiveSearchSurpassed.Contains (this))
return true;
recursiveSearchSurpassed.Add (this);
return false;
}
public virtual void OnMoveNode (Node node) {}
/// <summary>
/// Stops the recursive search loop immediately. Call when you found what you needed.
/// </summary>
internal void StopRecursiveSearchLoop()
{
recursiveSearchSurpassed = null;
startRecursiveSearchNode = null;
}
/// <summary>
/// Recursively checks whether this node is a child of the other node
/// </summary>
public bool isChildOf(Node otherNode)
{
if (otherNode == null || otherNode == this)
return false;
if (BeginRecursiveSearchLoop ()) return false;
foreach (NodeInput input in Inputs)
{
NodeOutput connection = input.connection;
if (connection != null && connection.body != startRecursiveSearchNode)
{
if (connection.body == otherNode || connection.body.isChildOf (otherNode))
{
StopRecursiveSearchLoop ();
return true;
}
}
}
EndRecursiveSearchLoop ();
return false;
}
/// <summary>
/// Inits the base node and subscribes it in the node body for drawing and requests to load the texture through 'ReloadTexture'
/// </summary>
protected void InitBase(Node nodeBody, NodeSide nodeSide, float nodeSidePosition, string knobName)
{
body = nodeBody;
side = nodeSide;
sidePosition = nodeSidePosition;
name = knobName;
nodeBody.nodeKnobs.Add (this);
ReloadKnobTexture ();
}
/// <summary>
/// Recursively checks whether any node in the loop to be made allows recursion.
/// Other node is the node this node needs connect to in order to fill the loop (other node being the node coming AFTER this node).
/// That means isChildOf has to be confirmed before calling this!
/// </summary>
internal bool allowsLoopRecursion(Node otherNode)
{
if (AllowRecursion)
return true;
if (otherNode == null)
return false;
if (BeginRecursiveSearchLoop ()) return false;
foreach (NodeInput input in Inputs)
{
NodeOutput connection = input.connection;
if (connection != null && connection.body != startRecursiveSearchNode)
{
if (connection.body.allowsLoopRecursion (otherNode))
{
StopRecursiveSearchLoop ();
return true;
}
}
}
EndRecursiveSearchLoop ();
return false;
}
[EventHandlerAttribute(EventType.DragPerform, 90)] // Priority over hundred to make it call after the GUI
private static void HandleDragAndDrop(NodeEditorInputInfo inputInfo)
{
if (inputInfo.inputEvent.type == EventType.DragUpdated || (inputInfo.inputEvent.type == EventType.DragPerform))
{
//Debug.LogError("handle drag " + inputInfo.inputEvent.type);
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (inputInfo.inputEvent.type == EventType.DragPerform && DragAndDrop.objectReferences.Length > 0 &&
(DragAndDrop.objectReferences[0] is Texture2D))
{
Debug.Log(" drag texture " + DragAndDrop.objectReferences[0]);
UnityTextureInput node =
(UnityTextureInput)
Node.Create("UnityTextureInput", NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
node.m_Input = DragAndDrop.objectReferences[0] as Texture2D;
inputInfo.inputEvent.Use();
}
else if (inputInfo.inputEvent.type == EventType.DragPerform &&
DragAndDrop.GetGenericData("GenericDragColumnDragging") != null)
{
DragAndDrop.AcceptDrag();
//Debug.Log("dragged generic data "+ DragAndDrop.GetGenericData("GenericDragColumnDragging"));
List <UnityEditor.IMGUI.Controls.TreeViewItem> _data =
DragAndDrop.GetGenericData("GenericDragColumnDragging") as
List <UnityEditor.IMGUI.Controls.TreeViewItem>;
var draggedElements = new List <TreeElement>();
foreach (var x in _data)
{
draggedElements.Add(((TreeViewItem <MyTreeElement>)x).data);
}
var srcItem = draggedElements[0] as MyTreeElement;
if (srcItem.m_Canvas)
{
SubTreeNode node =
(SubTreeNode)
Node.Create("SubTreeNode", NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
node.SubCanvas = srcItem.m_Canvas;
string assetPath = AssetDatabase.GetAssetPath(node.SubCanvas);
// Debug.Log("drag and drop asset canvas path >" + assetPath + "<");
if (assetPath.Length > 0)
{
node.m_CanvasGuid = AssetDatabase.AssetPathToGUID(assetPath);
Debug.LogError(" set canvasGuid from asset >" + node.m_CanvasGuid + "<");
string fname = Path.GetFileName(assetPath);
fname = Path.ChangeExtension(fname, "");
node.name = "Sub:" + fname;
}
node.OnLoadCanvas();
}
else
{
Node node = Node.Create(srcItem.m_NodeID, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
}
inputInfo.inputEvent.Use();
}
else if (inputInfo.inputEvent.type == EventType.DragPerform &&
DragAndDrop.objectReferences.Length > 0 && (DragAndDrop.objectReferences[0] is NodeCanvas))
{
DragAndDrop.AcceptDrag();
// Debug.Log(" drag and drop " + DragAndDrop.objectReferences[0] + " co ord " + Event.current.mousePosition);
SubTreeNode node =
(SubTreeNode)
Node.Create("SubTreeNode", NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
node.SubCanvas = (NodeCanvas)DragAndDrop.objectReferences[0];
string assetPath = AssetDatabase.GetAssetPath(node.SubCanvas);
// Debug.Log("drag and drop asset canvas path >" + assetPath + "<");
if (assetPath.Length > 0)
{
node.m_CanvasGuid = AssetDatabase.AssetPathToGUID(assetPath);
Debug.LogError(" set canvasGuid from asset >" + node.m_CanvasGuid + "<");
string fname = Path.GetFileName(assetPath);
fname = Path.ChangeExtension(fname, "");
node.name = "Sub:" + fname;
}
inputInfo.inputEvent.Use();
node.OnLoadCanvas();
}
}
}
/// <summary>
/// Recursively checks whether this node is a child of the other node
/// </summary>
public bool isChildOf(Node otherNode)
{
if (otherNode == null)
return false;
for (int cnt = 0; cnt < Inputs.Count; cnt++)
{
if (Inputs [cnt].connection != null)
{
if (Inputs [cnt].connection.body == otherNode)
return true;
else if (Inputs [cnt].connection.body.isChildOf (otherNode)) // Recursively searching
return true;
}
}
return false;
}
public virtual void OnAddNode (Node node) {}
private void FinishRecursiveSearchLoop()
{
recursiveSearchSurpassed = null;
startRecursiveSearchNode = null;
}