def resetPath(self, dangerous_train, line_idx, position, speed):
nearest_backstep_point, current_edge = self.getTrainPosition(
line_idx, position, speed * (-1))
self.train_point_idx = self.getTrainPosition(line_idx, position, speed)
endpoint = self.selected_path[-1]
nxgraph = self.graph.nxgraph.copy()
nxgraph.remove_edge(current_edge.points[0], current_edge.points[1])
self.selected_path = nx.dijkstra_path(nxgraph, nearest_backstep_point,
endpoint, "length")
self.selected_path = [nearest_backstep_point] + self.selected_path
additional_path_len = 0
if current_edge.points[0] == nearest_backstep_point:
additional_path_len = position
else:
additional_path_len = current_edge.weight - position
self.selected_path_len = nx.dijkstra_path_length(
nxgraph, nearest_backstep_point, endpoint,
"length") + additional_path_len
speed = -1 * speed
server_interface.ServerInterface().moveTrain(line_idx, speed,
self.train_info['idx'])
self.old_speed = speed
return
def rideByPath(self):
position = self.train_info['position']
line_idx = self.train_info['line_idx']
speed = self.train_info['speed']
nearest_point, current_position_by_edges = self.getTrainPosition(
line_idx, position, speed)
if (nearest_point == current_position_by_edges.points[0] and position
== 0) or (nearest_point == current_position_by_edges.points[1]
and position == current_position_by_edges.weight):
if len(self.selected_path
) != 0 and self.selected_path[0] == nearest_point:
self.selected_path.remove(nearest_point)
if len(self.selected_path) == 0:
town = self.database.getPlayerInfo()['town']
if town['point_idx'] != nearest_point:
if self.train_info['goods'] == self.train_info[
'goods_capacity']:
self.callToReturn(self.priority)
else:
self.goToNearestPostOrWait()
else:
self.is_complited = True
return
nearest_edge, speed = self.getNearestEdge(nearest_point)
server_interface.ServerInterface().moveTrain(
nearest_edge.idx, speed, self.train_info['idx'])
self.old_speed = speed
return
def callToReturn(self, priority=1):
self.priority = priority
position = self.train_info['position']
line_idx = self.train_info['line_idx']
speed = self.train_info['speed']
nearest_point, current_position_by_edges = self.getTrainPosition(
line_idx, position, speed)
town = self.database.getPlayerInfo()['town']
self.getShortestPathByEndpoints([town])
next_point = self.selected_path[0]
if next_point == nearest_point:
self.selected_path.remove(next_point)
next_point = self.selected_path[0]
nearest_edge, speed = self.getNearestEdge(nearest_point)
server_interface.ServerInterface().moveTrain(nearest_edge.idx, speed,
self.train_info['idx'])
self.old_speed = speed
def __new__(cls):
if not hasattr(cls, 'instance'):
cls.instance = super(ServerData, cls).__new__(cls)
cls.instance.server_interface = server_interface.ServerInterface()
cls.instance.fullUpdate()
return cls.instance