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import math
import time
# time since last ping before deactivating/deleting
BIKE_TIMEOUT = 60000 # 3 minutes
BIKE_DELETE = 360000 # time before bike deletes itself
# data structures
class Point:
def __init__(self, lat, long):
self.longitude = long
self.latitude = lat
def toJSON(self):
json_dict = {'longitude' : self.longitude,
'latitude' : self.latitude}
return json_dict
def setCoords(self, lat, long):
self.longitude = long
self.latitude = lat
def move(self, d_lat, d_long):
self.longitude += d_long
self.latitude += d_lat
def __str__(self):
return f"{self.longitude},{self.latitude}"
def __repr__(self):
return f"{self.longitude},{self.latitude}"
def distanceTo(self, pt): # distance between points in miles
lat1 = self.latitude; lon1 = self.longitude;
lat2 = pt.latitude; lon2 = pt.longitude;
R = 3958.8 # Radius of the earth
lat_d = math.radians(lat2-lat1);
lon_d = math.radians(lon2-lon1);
a = math.sin(lat_d/2) * math.sin(lat_d/2) + math.cos(math.radians(lat1)) * math.cos(math.radians(lat2)) * math.sin(lon_d/2) * math.sin(lon_d/2)
c = 2 * math.atan2(math.sqrt(a), math.sqrt(1-a));
d = R * c; # Distance in mi
return d
class Clue(Point):
def __init__(self, lat, long, name, info, status, pool_index = 0, required=False):
self.longitude = long
self.latitude = lat
self.name = name
self.info = info
self.status = status # UNVISITED | VISITED | DISABLED | ASSIGNED
self.pool_inbex = pool_index
self.required = required
def visit(self):
self.status = "VISITED"
def toggle_enable(self):
if self.status == "UNVISITED" or self.status == "ASSIGNED":
self.status = "DISABLED"
elif self.status == "DISABLED":
self.status = "UNVISITED"
def toJSON(self):
json_dict = {'longitude' : self.longitude,
'latitude' : self.latitude,
'clue_name' : self.name.replace('"', "'"),
'clue_info' : self.info.replace('"', "'"),
'clue_status' : self.status,
'clue_required' : self.required}
return json_dict
class Bike(Point):
def __init__(self, lat, long, name, status):
self.longitude = long
self.latitude = lat
self.name = name
self.last_contact = time.time()
self.target_name = "N/A"
self.cluster = [] # list of clues this bike team is responsible for
self.status = status # ACTIVE | INACTIVE
def setTarget(self, clue_name):
self.target_name = clue_name
def setCluster(self, clue_cluster):
self.cluster = clue_cluster
self.updateTarget()
def updateTarget(self):
if len(self.cluster) <= 0:
self.target_name = "N/A"
else:
self.target_name = self.cluster[0].name
def visitTarget(self):
self.cluster[0].visit()
self.cluster.pop(0)
self.updateTarget()
while len(self.cluster) > 0 and self.cluster[0].status == "VISITED":
self.cluster.pop(0) # skip next node if it has been somehow visited
self.updateTarget()
def ping(self):
self.status = "ACTIVE"
self.last_contact = time.time()
def disable(self):
self.status = "INACTIVE"
self.target = "N/A"
self.last_contact = 0
def checkStatus(self):
if time.time() - self.last_contact > BIKE_TIMEOUT:
self.status = "INACTIVE"
self.target = "N/A"
if time.time() - self.last_contact > BIKE_DELETE:
return -1
return 0
def toJSON(self):
json_dict = {'longitude' : self.longitude,
'latitude' : self.latitude,
'time_since_last_contact' : time.time()-self.last_contact,
'team_name' : self.name,
'team_status' : self.status,
'target_clue' : self.target_name}
return json_dict
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