def update_ranks(players, ranks):
""" Update skills based on ranks from a match """
teams = [skills.Team({player.name: skills.GaussianRating(player.mu, player.sigma)}) for player in players]
match = skills.Match(teams, ranks)
calc = trueskill.FactorGraphTrueSkillCalculator()
game_info = trueskill.TrueSkillGameInfo()
updated = calc.new_ratings(match, game_info)
print ("Updating ranks")
for team in updated:
for i in team.keys():
skill_data = team[i]
update_player_skill(players, i, skill_data)
def update_skills(players, ranks):
""" Update player skills based on ranks from a match """
teams = [skills.Team({player.name: skills.GaussianRating(player.mu, player.sigma)}) for player in players]
match = skills.Match(teams, ranks)
calc = trueskill.FactorGraphTrueSkillCalculator()
game_info = trueskill.TrueSkillGameInfo()
updated = calc.new_ratings(match, game_info)
for team in updated:
player_name, skill_data = next(iter(team.items())) #in Halite, teams will always be a team of one player
player = next(player for player in players if player.name == str(player_name)) #this suggests that players should be a dictionary instead of a list
player.mu = skill_data.mean
player.sigma = skill_data.stdev
player.update_skill()
print("skill = %4f mu = %3f sigma = %3f name = %s" % (player.skill, player.mu, player.sigma, str(player_name)))