def JoinRoom(characterId,roomId,scenename):
'''
@param characterId: int character id
@param roomId: int room id
'''
chater = ChaterManager().addChaterByid(characterId)
if not chater:
return
clientId = chater.getDynamicId()
oldroomId = chater.getRoomId()
chater.setSceneName(scenename)
if not oldroomId or clientId < 0:
return
if oldroomId :
ChatRoomManager().leaveRoom(clientId, oldroomId)
chater.setRoomId(roomId)
ChatRoomManager().joinRoom(clientId, roomId)
