public static void AskName(IChangeableName changeableName, Vector2 windowCenter)
{
WindowChangeName window = CreateInstance <WindowChangeName>();
window.titleContent.text = "Change name";
window.minSize = window.maxSize = new Vector2(350, 45);
window.node = changeableName;
window.newName = changeableName.GetName();
window.ShowUtility();
window.position = new Rect(windowCenter - window.maxSize / 2, window.maxSize);
}
/// <summary>
/// Processes input events
/// </summary>
private void InputEvents()
{
Event e = Event.current;
mousePos = e.mousePosition;
Node clickedNode = null;
Group clickedGroup = null;
NodeOutput clickedOutput = null;
NodeInput clickedInput = null;
NodeTreeOutput clickedTreeOutput = null;
if (e.type == EventType.MouseDown || e.type == EventType.MouseUp)
{
clickedNode = NodeAtPosition(mousePos);
clickedGroup = EDIT_GROUPS ? GroupAtPosition(mousePos) : null;
if (clickedNode != null)
{
clickedOutput = clickedNode.GetOutputAtPos(mousePos, guiInfo);
clickedInput = clickedNode.GetInputAtPos(mousePos, guiInfo);
clickedTreeOutput = clickedNode.GetTreeOutputAtPos(mousePos, guiInfo);
}
}
if (e.type == EventType.MouseDown)
{
if (e.button == 2) // Init scroll
{
scrollWindow = true;
e.delta = new Vector2(0, 0);
e.Use();
}
else if (e.button == 1) // Right click -> Editor Context Click
{
if (clickedOutput != null)
{
connectInput = new List <NodeInput>(clickedOutput.GetInputs()).ToArray();
foreach (var i in connectInput)
{
clickedOutput.RemoveNodeInput(i);
}
}
else
{
GenericMenu menu = new GenericMenu();
if (clickedNode != null)
{
menu.AddItem(new GUIContent("Set as Start Node"), false, () => { nodeCanvas.SetFirstNode(clickedNode); });
menu.AddSeparator("");
nodeCanvas.ForeachGroup(group => {
if (!group.ContainsNode(clickedNode))
{
menu.AddItem(new GUIContent("Add to Group/" + group.GetName()), false, () => { group.AddNode(clickedNode); group.needsUpdate = true; });
}
});
menu.AddItem(new GUIContent("Add to Group/New Group"), false, () => { AddGroup().AddNode(clickedNode); });
nodeCanvas.ForeachGroup(group => {
if (group.ContainsNode(clickedNode))
{
menu.AddItem(new GUIContent("Remove from Group/" + group.GetName()), false, () => { group.RemoveNode(clickedNode); group.needsUpdate = true; });
}
});
menu.AddSeparator("");
menu.AddItem(new GUIContent("Rename Node"), false, () => { WindowChangeName.AskName(clickedNode, mousePos + position.position); });
menu.AddItem(new GUIContent("Delete Node"), false, () => {
if (EditorUtility.DisplayDialog("¿Delete, are you sure?", "¿Do you really want to delete this node?", "Delete it", "Nope, Don't touch it"))
{
DeleteNodeDeferred(clickedNode);
}
});
}
else if (clickedGroup != null)
{
menu.AddItem(new GUIContent("Rename Group"), false, () => { WindowChangeName.AskName(clickedGroup, mousePos + position.position); });
menu.AddItem(new GUIContent("Remove Group"), false, () => {
// ok, alt, nope
int response = EditorUtility.DisplayDialogComplex("¿Delete, are you sure?", "¿Do you really want to delete this group?", "Delete it", "Nope, Don't touch it", "Delete it + nodes");
if (response == 2)
{
foreach (var node in clickedGroup.GetNodes())
{
DeleteNodeDeferred(node);
}
DeleteGroupDeferred(clickedGroup);
}
if (response == 0)
{
DeleteGroupDeferred(clickedGroup);
}
});
}
else
{
foreach (var elem in CreateNodeAttribute.Cached)
{
menu.AddItem(new GUIContent(elem.Value.name, elem.Value.description), false, MenuNodeContextCallback, elem.Key);
}
}
menu.ShowAsContext();
}
e.Use();
}
else if (e.button == 0)
{
scrollWindow = false;
e.delta = new Vector2(0, 0);
// If a Connection was left clicked, try edit it's transition
if (clickedNode != null)
{
if (clickedOutput != null)
{
if (connectInput.Length > 0)
{
bool connectedOk = true;
foreach (var i in connectInput)
{
if (!clickedNode.TryApplyConnection(clickedOutput, i))
{
connectedOk = false;
break;
}
}
if (connectedOk)
{
connectInput = new NodeInput[0];
}
}
else
{
connectOutput = clickedOutput;
}
e.Use();
}
else if (clickedTreeOutput != null)
{
connectTreeOutput = clickedTreeOutput;
connectOutput = null;
e.Use();
}
else if (connectOutput != null)
{
if (!ArrayUtility.Contains((NodeOutput[])clickedNode.GetOutputs(), connectOutput)) // If an input was clicked, it'll will now be connected
{
clickedNode.TryApplyConnection(connectOutput, clickedInput);
if (!e.control && !e.shift)
{
connectOutput = null;
}
}
else
{
connectOutput = null;
}
e.Use();
}
else if (connectTreeOutput != null)
{
if (clickedNode != connectTreeOutput.GetBody())
{
if (clickedNode != null)
{
connectTreeOutput.Set(clickedNode);
}
}
connectTreeOutput = null;
e.Use();
}
else if (clickedInput != null && clickedInput.nodeOutput != null) // Input node -> Loose and edit Connection
{
connectOutput = clickedInput.nodeOutput;
connectOutput.RemoveNodeInput(clickedInput);
e.Use();
}
else
{
if (selectedNode != null)
{
selectedNode.isNodeSelected = false;
}
selectedNode = clickedNode;
}
}
else if (clickedGroup != null)
{
movingGroup = clickedGroup;
}
else
{
selectedNode = null;
if (connectOutput != null)
{
connectOutput = null;
e.Use();
}
else if (connectTreeOutput != null)
{
connectTreeOutput = null;
e.Use();
}
else if (clickedGroup == null) // Init scroll
{
scrollWindow = true;
e.delta = new Vector2(0, 0);
e.Use();
}
}
}
}
else if (e.type == EventType.MouseUp)
{
if (movingGroup != null)
{
movingGroup = null;
}
else if (e.button == 0 && connectOutput != null) // Apply a connection if theres a clicked input
{
if (clickedNode == null)
{
connectOutput = null;
e.Use();
}
else if (!ArrayUtility.Contains((NodeOutput[])clickedNode.GetOutputs(), connectOutput)) // If an input was clicked, it'll will now be connected
{
clickedNode.TryApplyConnection(connectOutput, clickedInput);
if (!e.control && !e.shift)
{
connectOutput = null;
}
e.Use();
}
}
else if (e.button == 0 && connectTreeOutput != null)
{
if (clickedNode != connectTreeOutput.GetBody())
{
if (clickedNode != null)
{
connectTreeOutput.Set(clickedNode);
}
connectTreeOutput = null;
e.Use();
}
}
else if (e.button == 2 || e.button == 0) // Left/Middle click up -> Stop scrolling
{
scrollWindow = false;
}
}
else if (e.type == EventType.Repaint)
{
// Draw the currently drawn connection
if (connectOutput != null)
{
DrawNodeCurve(connectOutput.GetKnobRect(guiInfo).center, mousePos, connectOutput.GetColor());
Repaint();
}
else if (connectTreeOutput != null)
{
DrawNodeCurve(connectTreeOutput.GetKnobRect(guiInfo).center, mousePos, NodeTreeOutput.GetColor(), TangetType.Vertical);
Repaint();
}
else if (connectInput.Length > 0)
{
foreach (var i in connectInput)
{
DrawNodeCurve(mousePos, i.GetKnobRect(guiInfo).center, i.GetColor());
}
Repaint();
}
}
if (e.type == EventType.ScrollWheel)
{
float multiplier = e.delta.y < 0 ? 2 : e.delta.y > 0 ? 0.5f : 0;
if (multiplier != 0)
{
nodeCanvas.zoom.DoZoom(multiplier);
/*
* float diff = nodeCanvas.zoom.zoom - initialZoom;
*
* if (diff > 0) {
* nodeCanvas.scrollOffset -= (e.mousePosition * initialZoom) / nodeCanvas.zoom.zoom;
* } else if (diff < 0) {
* nodeCanvas.scrollOffset += (e.mousePosition * targetZoom) / nodeCanvas.zoom.zoom;
* }
*/
}
e.Use();
}
if (scrollWindow)
{
nodeCanvas.scrollOffset += e.delta / 2;
}
else if (movingGroup)
{
movingGroup.AddDelta(e.delta, guiInfo);
}
else
{
nodeCanvas.scrollOffset = new Vector2((int)nodeCanvas.scrollOffset.x, (int)nodeCanvas.scrollOffset.y);
}
}