Returns terrain height at a position. Caution: terrain height is not anywhere near a unit's z-coordinate.

def get_terrain_height(self, pos: Union[Point2, Point3, Unit]) -> int:
        """ Returns terrain height at a position. Caution: terrain height is not anywhere near a unit's z-coordinate. """
        assert isinstance(pos, (Point2, Point3, Unit))
        pos = pos.position.to2.rounded
        return self._game_info.terrain_height[pos]