diff options
author | AndrewMurrell <amurrel@purdue.edu> | 2014-04-27 01:50:33 -0400 |
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committer | AndrewMurrell <amurrel@purdue.edu> | 2014-04-27 01:50:33 -0400 |
commit | 79b903fc5632242a6ab1ee0f7732dec168331703 (patch) | |
tree | 986bcf16f681b5b23b27b12797b74ba1b960b57a /lib | |
parent | 353e0b387b8e76d407f9451c236efbb4bd3a19ef (diff) |
Added 3 new seeding algorithms.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/sampling/double_blind.rb (renamed from lib/sampling/double_bind.rb) | 0 | ||||
-rw-r--r-- | lib/seeding/README.md | 2 | ||||
-rw-r--r-- | lib/seeding/early_bird_seeding.rb | 20 | ||||
-rw-r--r-- | lib/seeding/fair_ranked_seeding.rb | 46 | ||||
-rw-r--r-- | lib/seeding/random_seeding.rb | 20 |
5 files changed, 87 insertions, 1 deletions
diff --git a/lib/sampling/double_bind.rb b/lib/sampling/double_blind.rb index 4a5201c..4a5201c 100644 --- a/lib/sampling/double_bind.rb +++ b/lib/sampling/double_blind.rb diff --git a/lib/seeding/README.md b/lib/seeding/README.md index 0afbb94..67fc19b 100644 --- a/lib/seeding/README.md +++ b/lib/seeding/README.md @@ -1,4 +1,4 @@ Files in this directory should implement the following interface: - seed_matches(tournament) - take the matches of a tournament and the players in a tournament, assign players to teams, and teams to matches + take the matches of a tournament and the players in a tournament, assign players to teams, and teams to matches (all must exist)
\ No newline at end of file diff --git a/lib/seeding/early_bird_seeding.rb b/lib/seeding/early_bird_seeding.rb new file mode 100644 index 0000000..30e15fc --- /dev/null +++ b/lib/seeding/early_bird_seeding.rb @@ -0,0 +1,20 @@ +module Seeding + class EarlyBirdSeeding + def seed_matches(tournament) + matches = tournament.current_stage.matches + match = matches.first + match_num = 0 + teams = 0 + tournament.players.each_slice(tournament.min_players_per_team) do |slice| + if teams < tournament.min_teams_per_match + match.teams[teams].players += slice + teams += 1 + else + match_num += 1 + match = matches[match_num] + teams = 0 + end + end + end + end +end
\ No newline at end of file diff --git a/lib/seeding/fair_ranked_seeding.rb b/lib/seeding/fair_ranked_seeding.rb new file mode 100644 index 0000000..2d0eeb4 --- /dev/null +++ b/lib/seeding/fair_ranked_seeding.rb @@ -0,0 +1,46 @@ +module Seeding + class FairRankedSeeding + def seed_matches(tournament) + matches = tournament.current_stage.matches + match = matches.first + match_num = 0 + players_used = 0 + best_first(tournament).each_slice(tournament.min_teams_per_match) do |slice| + (0..tournament.min_teams_per_match-1).each do |index| + match.teams[index].players += slice[index] + end + players_used += 1 + if players_used == tournament.min_players_per_team + match_num += 1 + match = matches[match_num] + players_used = 0 + end + end + end + + private + def best_first(tournament) + tournament.players.sort {|a, b| better(a, b, tournament) } + end + + def better(player1, player2, tournament) + ps1 = previousScore(player1, tournament) + ps2 = previousScore(player2, tournament) + if ps1 > ps2 + return 1 + elsif ps2 > ps1 + return -1 + else + return 0 + end + end + + def previousScore(player, tournament) + score = tournament.statistics.getStatistic(player.matches.last, player, :score) + if score.nil? + return 0 + end + score + end + end +end
\ No newline at end of file diff --git a/lib/seeding/random_seeding.rb b/lib/seeding/random_seeding.rb new file mode 100644 index 0000000..ec39e61 --- /dev/null +++ b/lib/seeding/random_seeding.rb @@ -0,0 +1,20 @@ +module Seeding + class RandomSeeding + def seed_matches(tournament) + matches = tournament.current_stage.matches + match = matches.first + match_num = 0 + teams = 0 + tournament.players.shuffle.each_slice(tournament.min_players_per_team) do |slice| + if teams < tournament.min_teams_per_match + match.teams[teams].players += slice + teams += 1 + else + match_num += 1 + match = matches[match_num] + teams = 0 + end + end + end + end +end
\ No newline at end of file |