class << self
def default_factory
- return sort_by_rate_with_randomness
+ return swiss_pairing
end
def sort_by_rate_with_randomness
- return [ExcludeSacrificeGps500.new,
+ return [LogPlayers.new,
+ ExcludeSacrificeGps500.new,
MakeEven.new,
SortByRateWithRandomness.new(1200, 2400),
- StartGame.new]
+ StartGameWithoutHumans.new]
end
def random_pairing
- return [ExcludeSacrificeGps500.new,
+ return [LogPlayers.new,
+ ExcludeSacrificeGps500.new,
MakeEven.new,
- RandomPairing.new,
- StartGame.new]
+ Randomize.new,
+ StartGameWithoutHumans.new]
+ end
+
+ def swiss_pairing
+ return [LogPlayers.new,
+ ExcludeSacrificeGps500.new,
+ MakeEven.new,
+ Swiss.new,
+ StartGameWithoutHumans.new]
end
def match(players)
logics = default_factory
logics.inject(players) do |result, item|
item.match(result)
+ result
end
end
end # class << self
def match(players)
# to be implemented
+ log_message("Floodgate: %s" % [self.class.to_s])
end
def include_newbie?(players)
def less_than_one?(players)
if players.size < 1
- log_warning("Floodgate: At least one player is required")
+ log_warning("Floodgate: There should be at least one player.")
return true
else
- return true
+ return false
end
end
one.name
end
end
- log_message("Floodgate: [Players] %s" % [str_array.join(", ")])
+ if str_array.empty?
+ log_message("Floodgate: [Players] Nobody found.")
+ else
+ log_message("Floodgate: [Players] %s." % [str_array.join(", ")])
+ end
end
end # Pairing
- class StartGame < Pairing
+
+ class LogPlayers < Pairing
+ def match(players)
+ super
+ log_players(players)
+ end
+ end
+
+ class AbstractStartGame < Pairing
+ def start_game(p1, p2)
+ log_message("Floodgate: Starting a game: BLACK %s vs WHITE %s" % [p1.name, p2.name])
+ p1.sente = true
+ p2.sente = false
+ board = Board.new
+ board.initial
+ Game.new(p1.game_name, p1, p2, board)
+ end
+
+ def start_game_shuffle(pair)
+ pair.shuffle!
+ start_game(pair.first, pair.last)
+ end
+ end
+
+ class StartGame < AbstractStartGame
def match(players)
super
if players.size < 2
- log_warning("There should be more than one player: %d" % [players.size])
+ log_warning("Floodgate: There should be more than one player (%d)." % [players.size])
return
end
if players.size.odd?
- log_warning("There are odd players: %d" % [players.size])
+ log_warning("Floodgate: There are odd players (%d). %s will not be matched." %
+ [players.size, players.last.name])
end
log_players(players)
while (players.size >= 2) do
pair = players.shift(2)
- pair.shuffle!
- start_game(pair.first, pair.last)
+ start_game_shuffle(pair)
end
end
+ end
- def start_game
- log_message("Floodgate: BLACK %s; WHITE %s" % [p1.name, p2.name])
- p1.sente = true
- p2.sente = false
- Game.new(p1.game_name, p1, p2)
+ # This tries to avoid a human-human match
+ #
+ class StartGameWithoutHumans < AbstractStartGame
+ def match(players)
+ super
+ log_players(players)
+ if players.size < 2
+ log_warning("Floodgate: There should be more than one player (%d)." % [players.size])
+ return
+ elsif players.size == 2
+ start_game_shuffle(players)
+ return
+ end
+
+ loop do
+ humans = get_human_indexes(players)
+ log_message("Floodgate: There are (still) %d humans." % [humans.size])
+ break if humans.size < 2
+
+ pairing_possible = false
+ for i in 0..(humans.size-2) # -2
+ next if humans[i].odd?
+ if humans[i]+1 == humans[i+1]
+ pairing_possible = i
+ break
+ end
+ end
+ unless pairing_possible
+ log_message("Floodgate: No possible human-human match found")
+ break
+ end
+
+ current_index = pairing_possible
+ j = (current_index == 0 ? current_index : current_index-1)
+ while j < players.size
+ break if players[j].is_computer?
+ j += 1
+ end
+
+ pairing_indexes = []
+ if j == players.size
+ # no computer player found
+ pairing_indexes << current_index << current_index+1
+ else
+ # a comupter player found
+ pairing_indexes << current_index << j
+ end
+
+ pair = []
+ pair << players.delete_at(pairing_indexes.max)
+ pair << players.delete_at(pairing_indexes.min)
+ start_game_shuffle(pair)
+ end # loop
+
+ while (players.size >= 2) do
+ pair = players.shift(2)
+ start_game_shuffle(pair)
+ end
+ end
+
+ private
+
+ def get_human_indexes(players)
+ ret = []
+ for i in 0..(players.size-1)
+ ret << i if players[i].is_human?
+ end
+ return ret
end
end
@rand1, @rand2 = rand1, rand2
end
- def match(players)
- super
+ def match(players, desc=false)
+ super(players)
cur_rate = Hash.new
players.each{|a| cur_rate[a] = a.rate ? a.rate + rand(@rand1) : rand(@rand2)}
players.sort!{|a,b| cur_rate[a] <=> cur_rate[b]}
+ players.reverse! if desc
log_players(players) do |one|
- "%s %d (randomness %d)" % [one.name, one.rate, cur_rate[one] - one.rate]
+ "%s %d (+ randomness %d)" % [one.name, one.rate, cur_rate[one] - one.rate]
+ end
+ end
+ end
+
+ class Swiss < Pairing
+ def match(players)
+ super
+ if players.size < 3
+ log_message("Floodgate: players are small enough to skip Swiss pairing: %d" % [players.size])
+ return
+ end
+
+ path = ShogiServer::League::Floodgate.history_file_path(players.first.game_name)
+ history = ShogiServer::League::Floodgate::History.factory(path)
+
+ winners = []
+ if history
+ winners = players.find_all {|pl| history.last_win?(pl.player_id)}
+ end
+ rest = players - winners
+
+ log_message("Floodgate: Ordering %d winners..." % [winners.size])
+ sbrwr_winners = SortByRateWithRandomness.new(800, 2500)
+ sbrwr_winners.match(winners, true)
+
+ log_message("Floodgate: Ordering the rest (%d)..." % [rest.size])
+ sbrwr_losers = SortByRateWithRandomness.new(200, 400)
+ sbrwr_losers.match(rest, true)
+
+ players.clear
+ [winners, rest].each do |group|
+ group.each {|pl| players << pl}
end
end
end
class MakeEven < Pairing
def match(players)
super
- return if players.even?
- log_message("Floodgate: there are odd players: %d. Deleting one..." %
+ return if players.size.even?
+ log_message("Floodgate: There are odd players (%d). Deleting one of them..." %
[players.size])
DeletePlayerAtRandom.new.match(players)
end
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