public static void InitSystem()
{
_inst = AssetDatabase.LoadAssetAtPath <NodeSystemSetting>(ASSET_PATH);
bool hasExist = _inst != null;
if (!hasExist)
{
_inst = CreateInstance <NodeSystemSetting>();
AssetDatabase.CreateAsset(_inst, ASSET_PATH);
}
ConnectionPortStyles.InitSystem(out _inst.portStyles, out _inst.valueTypes);
NodeTypes.InitSystem(out _inst.nodeDatas);
NodeCanvasManager.InitSystem(out _inst.canvasDatas);
ConnectionPortManager.InitSystem(out _inst.nodePortDec);
ConnectionPortManager.InitSystem(out _inst.nodePortDec);
ImportExportManager.InitSystem(out _inst.ioFormats);
NodeEditorInputSystem.InitSystem(out _inst.eventHandlers, out _inst.hotkeyHandlers, out _inst.contextEntries, out _inst.contextFillers);
}
