void DrawNodeWindow(int id)
{
drawState.screenPos = Event.current.mousePosition;
if (id >= layerObject.nodes.Count)
{
return;
}
var node = layerObject.nodes[id];
if (Event.current.type == EventType.MouseDown)
{
SelectedNode = node;
}
drawState.SelectedNode = SelectedNode;
BaseNodeRenderer nodeRenderer = RendererFactory.getRenderer(node);
nodeRenderer.drawNode(node, id, drawState);
if (!drawState.drawCurve)
{
GUI.DragWindow();
}
}
void OnGUI()
{
if (EditorApplication.isPlaying)
{
return;
}
if (!layerObject)
{
return;
}
layerObject.getRoot();//trigger lazy creation of the root object
drawState.layerObject = layerObject;
switch (Event.current.type)
{
case EventType.KeyDown:
{
if (Event.current.keyCode == KeyCode.Delete)
{
if ((null != SelectedNode) && !(SelectedNode is RootNode))
{
Undo.RecordObject(layerObject, "Delete Node");
{
layerObject.nodes.Remove(SelectedNode);
foreach (var node in layerObject.nodes)
{
for (int i = 0; i < node.inputs.Count; i++)
{
var nodeInput = node.inputs[i];
if (nodeInput.inputNode == SelectedNode)
{
node.inputs.RemoveAt(i);
i--;
}
}
}
}
Undo.FlushUndoRecordObjects();
SelectedNode = null;
Event.current.Use();
}
}
break;
}
case EventType.MouseDown:
{
if (Event.current.button == 2) //Middle mouse button
{
drawState.scrollStart = Event.current.mousePosition;
drawState.scrolling = true;
drawState.scrollOffset = Vector2.zero;
Event.current.Use();
}
break;
}
case EventType.MouseUp:
{
if (Event.current.button == 2) //Middle mouse button
{
drawState.scrolling = false;
drawState.guiOffset += drawState.scrollOffset;
drawState.scrollOffset = Vector2.zero;
Event.current.Use();
}
break;
}
case EventType.MouseDrag:
{
if (drawState.scrolling)
{
drawState.scrollOffset = Event.current.mousePosition - drawState.scrollStart;
}
break;
}
case EventType.ContextClick:
{
drawState.menuPos = Event.current.mousePosition;
GenericMenu menu = new GenericMenu();
foreach (Type type in Assembly.GetAssembly(typeof(RecipeLayerBase)).GetTypes()
.Where(myType => myType.IsClass && !myType.IsAbstract && myType.IsSubclassOf(typeof(BaseNode))))
{
if (type != typeof(RootNode))
{
menu.AddItem(new GUIContent(Utilities.MakeNiceName(type.Name)), false, NodeCreateCallback, type);
}
}
menu.ShowAsContext();
Event.current.Use();
break;
}
}
if (null != SelectedNode)
{
if (!(SelectedNode is RootNode))
{
SerializedObject nodeObject = new SerializedObject(SelectedNode);
var nameProp = nodeObject.FindProperty("nodeName");
nameProp.stringValue = DefaultNodeRenderer.DrawLabelEdit(SelectedNode, drawState, nameProp.stringValue);
nodeObject.ApplyModifiedProperties();
}
}
{
BeginWindows();
if (Event.current.type == EventType.Layout)
{
drawState.windowData.Clear();
}
int id = 0;
Event currentEvent = Event.current;
drawState.menuPos = currentEvent.mousePosition;
foreach (var node in layerObject.nodes)
{
BaseNodeRenderer.NodeDrawState.WindowData d = new BaseNodeRenderer.NodeDrawState.WindowData();
if (Event.current.type == EventType.Layout)
{
d.pos = node.nodePosition + drawState.guiOffset + drawState.scrollOffset;
drawState.windowData.Add(d);
}
else
{
d = drawState.windowData[id];
}
//update the window positions iff we are currently scrolling the view
if (drawState.scrolling && Event.current.type == EventType.MouseDrag)
{
d.pos = node.nodePosition + drawState.guiOffset + drawState.scrollOffset;
drawState.windowData[id] = d;
}
BaseNodeRenderer nodeRenderer = RendererFactory.getRenderer(node);
Rect windowRect = new Rect(d.pos, nodeRenderer.getNodeSize(node).size);
SerializedObject nodeObject = new SerializedObject(node);
var posProp = nodeObject.FindProperty("nodePosition");
windowRect = GUI.Window(id, windowRect, DrawNodeWindow, "", GUIStyle.none);
posProp.vector2Value = windowRect.position - drawState.guiOffset - drawState.scrollOffset;
nodeObject.ApplyModifiedProperties();
id++;
}
EndWindows();//triggers the actual drawing of the windows, anything drawn after this will be drawn above all the windows
}
if (drawState.connectivityChange)
{
refreshShader = true;
drawState.connectivityChange = false;
}
switch (Event.current.type)
{
case EventType.MouseUp:
{
drawState.drawCurve = false;
break;
}
case EventType.Repaint:
{
foreach (var node in layerObject.nodes)
{
BaseNodeRenderer nodeRenderer = RendererFactory.getRenderer(node);
var nodeSize = nodeRenderer.getNodeSize(node);
int i = 0;
foreach (var input in node.inputs)
{
if (null != input.inputNode)
{
var inputPos = node.nodePosition + new Vector2(0, (i * 16) + 35) + drawState.guiOffset + drawState.scrollOffset;
var endPos = input.inputNode.nodePosition + new Vector2(nodeSize.width, 35 + (20 * input.outputIndex)) + drawState.guiOffset + drawState.scrollOffset;
DrawNodeCurve(inputPos, endPos, Color.cyan);
}
i++;
}
}
if (drawState.drawCurve)
{
DrawNodeCurve(drawState.curveStart, Event.current.mousePosition, Color.red);
}
break;
}
}
}
