def onToggleRt(self, enabled): """ Real time agent has been enabled. the first time we need to create the TerrainSync object for the region and get a few pointers. """ if not self.terrain: self._props = self._parent.exportSettings self.terrain = TerrainSync(self._parent, self._props.terrainLOD) self.workpool = self._parent.workpool if enabled: self.simrt = self._parent.simrt else: self.simrt = None