+import logging
+import math
import sqlalchemy
+import sqlalchemy.sql.functions as sfunc
+from datetime import timedelta
from sqlalchemy.orm import mapper
from sqlalchemy.orm import scoped_session
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
+from xonstat.elo import KREDUCTION, ELOPARMS
from xonstat.util import strip_colors, html_colors, pretty_date
+log = logging.getLogger(__name__)
+
DBSession = scoped_session(sessionmaker())
Base = declarative_base()
# define objects for all tables
class Player(object):
-
def nick_html_colors(self):
- return html_colors(self.nick)
+ if self.nick is None:
+ return "Anonymous Player"
+ else:
+ return html_colors(self.nick)
- def __repr__(self):
- return "<Player(%s, %s, %s, %s)>" % (self.player_id, self.nick,
- self.create_dt, self.location)
+ def nick_strip_colors(self):
+ if self.nick is None:
+ return "Anonymous Player"
+ else:
+ return strip_colors(self.nick)
+ def joined_pretty_date(self):
+ return pretty_date(self.create_dt)
-class Mutator(object):
def __repr__(self):
- return "<Mutator(%s, %s, %s, %s)>" % (self.mutator_cd, self.name,
- self.descr, self.active_ind)
+ return "<Player(%s, %s)>" % (self.player_id,
+ self.nick.encode('utf-8'))
class GameType(object):
class Server(object):
- def __init__(self, name=None):
+ def __init__(self, name=None, hashkey=None, ip_addr=None):
self.name = name
+ self.hashkey = hashkey
+ self.ip_addr = ip_addr
def __repr__(self):
- return "<Server(%s, %s, %s)>" % (self.server_id, self.name,
- self.ip_addr)
+ return "<Server(%s, %s)>" % (self.server_id, self.name.encode('utf-8'))
class Map(object):
return "<Map(%s, %s, %s)>" % (self.map_id, self.name, self.version)
-class MapGameType(object):
- def __repr__(self):
- return "<MapGameType(%s, %s)>" % (self.map_id, self.game_type_cd)
-
-
class Game(object):
- def __init__(self, start_dt=None, game_type_cd=None,
+ def __init__(self, game_id=None, start_dt=None, game_type_cd=None,
server_id=None, map_id=None, winner=None):
+ self.game_id = game_id
self.start_dt = start_dt
self.game_type_cd = game_type_cd
self.server_id = server_id
def fuzzy_date(self):
return pretty_date(self.start_dt)
+ def process_elos(self, session, game_type_cd=None):
+ if game_type_cd is None:
+ game_type_cd = self.game_type_cd
+
+ # we do not have the actual duration of the game, so use the
+ # maximum alivetime of the players instead
+ duration = 0
+ for d in session.query(sfunc.max(PlayerGameStat.alivetime)).\
+ filter(PlayerGameStat.game_id==self.game_id).\
+ one():
+ duration = d.seconds
+
+ scores = {}
+ alivetimes = {}
+ for (p,s,a) in session.query(PlayerGameStat.player_id,
+ PlayerGameStat.score, PlayerGameStat.alivetime).\
+ filter(PlayerGameStat.game_id==self.game_id).\
+ filter(PlayerGameStat.alivetime > timedelta(seconds=0)).\
+ filter(PlayerGameStat.player_id > 2).\
+ all():
+ # scores are per second
+ scores[p] = s/float(a.seconds)
+ alivetimes[p] = a.seconds
+
+ player_ids = scores.keys()
+
+ elos = {}
+ for e in session.query(PlayerElo).\
+ filter(PlayerElo.player_id.in_(player_ids)).\
+ filter(PlayerElo.game_type_cd==game_type_cd).all():
+ elos[e.player_id] = e
+
+ # ensure that all player_ids have an elo record
+ for pid in player_ids:
+ if pid not in elos.keys():
+ elos[pid] = PlayerElo(pid, game_type_cd)
+
+ for pid in player_ids:
+ elos[pid].k = KREDUCTION.eval(elos[pid].games, alivetimes[pid],
+ duration)
+ if elos[pid].k == 0:
+ del(elos[pid])
+ del(scores[pid])
+ del(alivetimes[pid])
+
+ elos = self.update_elos(elos, scores, ELOPARMS)
+
+ # add the elos to the session for committing
+ for e in elos:
+ session.add(elos[e])
+
+ if game_type_cd == 'duel':
+ self.process_elos(session, "dm")
+
+ def update_elos(self, elos, scores, ep):
+ eloadjust = {}
+ for pid in elos.keys():
+ eloadjust[pid] = 0
+
+ if len(elos) < 2:
+ return elos
+
+ pids = elos.keys()
+
+ for i in xrange(0, len(pids)):
+ ei = elos[pids[i]]
+ for j in xrange(i+1, len(pids)):
+ ej = elos[pids[j]]
+ si = scores[ei.player_id]
+ sj = scores[ej.player_id]
+
+ # normalize scores
+ ofs = min(0, si, sj)
+ si -= ofs
+ sj -= ofs
+ if si + sj == 0:
+ si, sj = 1, 1 # a draw
+
+ # real score factor
+ scorefactor_real = si / float(si + sj)
+
+ # estimated score factor by elo
+ elodiff = min(ep.maxlogdistance, max(-ep.maxlogdistance,
+ (float(ei.elo) - float(ej.elo)) * ep.logdistancefactor))
+ scorefactor_elo = 1 / (1 + math.exp(-elodiff))
+
+ # how much adjustment is good?
+ # scorefactor(elodiff) = 1 / (1 + e^(-elodiff * logdistancefactor))
+ # elodiff(scorefactor) = -ln(1/scorefactor - 1) / logdistancefactor
+ # elodiff'(scorefactor) = 1 / ((scorefactor) (1 - scorefactor) logdistancefactor)
+ # elodiff'(scorefactor) >= 4 / logdistancefactor
+
+ # adjust'(scorefactor) = K1 + K2
+
+ # so we want:
+ # K1 + K2 <= 4 / logdistancefactor <= elodiff'(scorefactor)
+ # as we then don't overcompensate
+
+ adjustment = scorefactor_real - scorefactor_elo
+ eloadjust[ei.player_id] += adjustment
+ eloadjust[ej.player_id] -= adjustment
+ for pid in pids:
+ elos[pid].elo = max(float(elos[pid].elo) + eloadjust[pid] * elos[pid].k * ep.global_K / float(len(elos) - 1), ep.floor)
+ elos[pid].games += 1
+ return elos
+
class PlayerGameStat(object):
- def __init__(self, create_dt=None):
+ def __init__(self, player_game_stat_id=None, create_dt=None):
+ self.player_game_stat_id = player_game_stat_id
self.create_dt = create_dt
def __repr__(self):
- return "<PlayerGameStat(%s, %s, %s, %s)>" \
- % (self.player_id, self.game_id, self.create_dt, self.stat_type)
+ return "<PlayerGameStat(%s, %s, %s)>" \
+ % (self.player_id, self.game_id, self.create_dt)
def nick_stripped(self):
- return strip_colors(self.nick)
+ if self.nick is None:
+ return "Anonymous Player"
+ else:
+ return strip_colors(self.nick)
def nick_html_colors(self):
- return html_colors(self.nick)
+ if self.nick is None:
+ return "Anonymous Player"
+ else:
+ return html_colors(self.nick)
def team_html_color(self):
# blue
if self.team == 5:
- return "#312AB1"
+ return "red"
# red
if self.team == 14:
- return "#FF0033"
+ return "blue"
if self.team == 13:
- return "#FFFF00"
+ return "yellow"
if self.team == 10:
- return "#FF00FF"
+ return "pink"
-class GameMutator(object):
- def __repr__(self):
- return "<GameMutator(%s, %s)>" % (self.game_id, self.mutator_cd)
-
class Achievement(object):
def __repr__(self):
return "<Achievement(%s, %s, %s)>" % (self.achievement_cd, self.descr,
return "<Hashkey(%s, %s)>" % (self.player_id, self.hashkey)
+class PlayerNick(object):
+ def __repr__(self):
+ return "<PlayerNick(%s, %s)>" % (self.player_id, self.stripped_nick)
+
+
+class PlayerElo(object):
+ def __init__(self, player_id=None, game_type_cd=None):
+
+ self.player_id = player_id
+ self.game_type_cd = game_type_cd
+ self.score = 0
+ self.games = 0
+ self.elo = ELOPARMS.initial
+
+ def __repr__(self):
+ return "<PlayerElo(pid=%s, gametype=%s, elo=%s)>" % \
+ (self.player_id, self.game_type_cd, self.elo)
+
+
+class PlayerRank(object):
+
+ def nick_html_colors(self):
+ if self.nick is None:
+ return "Anonymous Player"
+ else:
+ return html_colors(self.nick)
+
+
+ def __repr__(self):
+ return "<PlayerRank(pid=%s, gametype=%s, rank=%s)>" % \
+ (self.player_id, self.game_type_cd, self.rank)
+
+
def initialize_db(engine=None):
DBSession.configure(bind=engine)
Base.metadata.bind = engine
achievements_table = MetaData.tables['achievements']
cd_achievement_table = MetaData.tables['cd_achievement']
cd_game_type_table = MetaData.tables['cd_game_type']
- cd_mutator_table = MetaData.tables['cd_mutator']
cd_weapon_table = MetaData.tables['cd_weapon']
db_version_table = MetaData.tables['db_version']
- game_mutators_table = MetaData.tables['game_mutators']
games_table = MetaData.tables['games']
hashkeys_table = MetaData.tables['hashkeys']
- map_game_types_table = MetaData.tables['map_game_types']
maps_table = MetaData.tables['maps']
player_game_stats_table = MetaData.tables['player_game_stats']
players_table = MetaData.tables['players']
player_weapon_stats_table = MetaData.tables['player_weapon_stats']
servers_table = MetaData.tables['servers']
+ player_nicks_table = MetaData.tables['player_nicks']
+ player_elos_table = MetaData.tables['player_elos']
+ player_ranks_table = MetaData.tables['player_ranks']
# now map the tables and the objects together
mapper(PlayerAchievement, achievements_table)
mapper(Achievement, cd_achievement_table)
mapper(GameType, cd_game_type_table)
- mapper(Mutator, cd_mutator_table)
mapper(Weapon, cd_weapon_table)
- mapper(GameMutator, game_mutators_table)
mapper(Game, games_table)
mapper(Hashkey, hashkeys_table)
- mapper(MapGameType, map_game_types_table)
mapper(Map, maps_table)
mapper(PlayerGameStat, player_game_stats_table)
mapper(Player, players_table)
mapper(PlayerWeaponStat, player_weapon_stats_table)
mapper(Server, servers_table)
+ mapper(PlayerNick, player_nicks_table)
+ mapper(PlayerElo, player_elos_table)
+ mapper(PlayerRank, player_ranks_table)
projects / xonotic / xonstat.git / blobdiff