class Distance(object):
    def __init__(self):
        self.userids = []

    def start(self):
        gamethread.delayedname(1, 'distance', self.checkDistance, ())

    def stop(self):
        gamethread.cancelDelayed('distance')

    def checkDistance(self):
        gamethread.delayedname(1, 'distance', self.checkDistance, ())
        for i in self.userids:
            x1, y1, z1 = es.getplayerlocation(i)
            for j in playerlib.getUseridList('#ct, #alive'):
                x2,y2,z2 = es.getplayerlocation(j)
                distances[self.getDistance(x1,y1,z1,x2,y2,z2)] = j
            #if len(distances.keys()) > 0:
                #dist = min(distances.keys())
                #enemy = distances[dist]
                #usermsg.hudhint(i, 'Distance Radar:\n----------\n%s\nin %.2fm'% (es.getplayername(enemy), dist))
            es.msg(i, distances)

    def getDistance(self, x1,y1,z1,x2,y2,z2):
        return math.sqrt((x1-x2)**2 + (y1-y2)**2 + (z1-z2)**2)

    def add(self, userid):
        if userid not in self.userids:
            self.userids.append(userid)

    def remove(self, userid):
        if userid in self.userids:
            self.userids.remove(userid)