simuser.py

开源游戏代码

# $Id: simuser.py,v 1.6 2002/02/04 15:50:34 marijn Exp $

# An air traffic simulation game.
# Copyright (C) 2000,1,2  Marijn Vriens <[e-mail]>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import random
import time
import UserDict

class SimUsers(UserDict.UserDict):
    _idmax = pow(2, 30)
    def __init__(self):
        UserDict.UserDict.__init__(self)
        self._userNicks = {}
    def createUser(self, nick):
        if self._userNicks.has_key(nick):
            raise "NickTaken"
        value = SimUserInfo(self._genId())
        value.nick(nick)
        self.data[value.id()] = value
        self._userNicks[nick] = value.id()
        return value.id()

    def removeUser(self, id):
        del self.data[id]
    def getUpdateTimeOfSlowestUser(self):
        t = time.time()
        for d in self.data.values():
           if d.getTimeOfLastUpdate() < t:
              t = d.getTimeOfLastUpdate()
        return t    
    def _genId(self):
        k = random.randint(0, self._idmax)
        while(self.data.has_key(k)):
            k = random.randint(0, self._idmax)
        return k
    def __setitem__(self):
        raise "METHOD_NOT_SUPPORTED"

# This class keeps track of user data.
class SimUserInfo:
    def __init__(self, id):
        self._id = id
        self._timeUpdated = time.time()
        self._nick = ''
        self.objs = {}   # objs this client is subscribed to.
    def id(self, id=None):
        if(id == None):
            return self._id
        else:
            self._id = id
    def nick(self, nick=None):
        if(nick == None):
            return self._nick
        else:
            self._nick = nick
    def subscribeToEntity(self, obj):
        self.objs[obj.id] = obj
    def unsubscribeFromEntity(self, id):
        del self.objs[id]
    def markAsUpdated(self):
        self._timeUpdated = time.time()
    def getTimeOfLastUpdate(self):
        return self._timeUpdated
    def genIdlPlaneUpdateList(self):
        r = []
        for i in self.objs.values():
            r.append(i.genIdlFull())
        #print "SimUserInfo::genIdlPlaneUpdateList: %s" % repr(r)
        return r
    def checkAuthority(self, objId):
        if(self.objs.has_key(objId)):
            return 1
        else:
            return 0         
        
# $Log: simuser.py,v $
# Revision 1.6  2002/02/04 15:50:34  marijn
# Added order receiving methods
#
# Revision 1.5  2002/02/01 15:07:36  marijn
# updated copyright information
#
# Revision 1.4  2002/01/13 16:05:56  marijn
# All updates now go via getUpdate(). Split genIdl into Full and Reduced
#
# Revision 1.3  2002/01/12 23:53:22  marijn
# Refactored simuser
#
# Revision 1.2  2001/12/25 02:00:08  marijn
# various fixes and updates.
#
# Revision 1.1  2001/11/27 20:59:06  marijn
# sending of simple sim objcts
#