private void OnGUI()
{
if (window != null)
{
windowsPosition = window.position;
}
//创建 scrollView 窗口
scrollPos = GUI.BeginScrollView(new Rect(0, 0, position.width, position.height),
scrollPos, contentRect);
if (!isInit)
{
isInit = true;
rootNodeValue = Node.NodeAssetToNodeValue();
nodeValueList = Node.nodeValueList;
saveFileName = Node.fileName;
}
EditorGUILayout.LabelField("子节点顺序为从左到右");
Event _event = Event.current;
mousePosition = _event.mousePosition;
if ((_event.button == 1) && (_event.type == EventType.MouseDown) && (!makeTransitionMode)) // 鼠标右键
{
int selectIndex = 0;
selectNodeValue = GetMouseInNode(out selectIndex);
ShowMenu(selectNodeValue);
}
// 在连线状态，按下鼠标
if (makeTransitionMode && _event.type == EventType.MouseDown)
{
int selectIndex = 0;
NodeValue newSelectNodeValue = GetMouseInNode(out selectIndex);
// 如果按下鼠标时，选中了一个节点，则将 新选中根节点 添加为 selectNode 的子节点
if (selectNodeValue != newSelectNodeValue)
{
selectNodeValue.childNodeList.Add(newSelectNodeValue);
}
// 取消连线状态
makeTransitionMode = false;
// 清空选择节点
selectNodeValue = null;
}
if (makeTransitionMode && selectNodeValue != null)
{
Rect mouseRect = new Rect(mousePosition.x, mousePosition.y, 10, 10);
DrawNodeCurve(selectNodeValue.position, mouseRect);
}
DrawNodeWindows();
NodeEditor.CheckNode(nodeValueList);
DrawSave();
SortChild();
Repaint();
ResetScrollPos();
GUI.EndScrollView(); //结束 ScrollView 窗口
}
