# Plugin for the Ruby IRC bot (http://linuxbrit.co.uk/rbot/) # # A trivia quiz game. Fast paced, featureful and fun. # # (c) 2006 Mark Kretschmann # (c) 2006 Jocke Andersson # (c) 2006 Giuseppe Bilotta # Licensed under GPL V2. # FIXME interesting fact: in the Quiz class, @registry.has_key? seems to be # case insensitive. Although this is all right for us, this leads to rank vs # registry mismatches. So we have to make the @rank_table comparisons case # insensitive as well. For the moment, redefine everything to downcase before # matching the nick. # # TODO define a class for the rank table. We might also need it for scoring in # other games. # Class for storing question/answer pairs QuizBundle = Struct.new( "QuizBundle", :question, :answer ) # Class for storing player stats PlayerStats = Struct.new( "PlayerStats", :score, :jokers, :jokers_time ) # Why do we still need jokers_time? //Firetech # Maximum number of jokers a player can gain Max_Jokers = 3 # Control codes Color = "\003" Bold = "\002" ####################################################################### # CLASS Quiz # One Quiz instance per channel, contains channel specific data ####################################################################### class Quiz attr_accessor :registry, :registry_conf, :questions, :question, :answer, :answer_core, :first_try, :hint, :hintrange, :rank_table, :hinted, :has_errors def initialize( channel, registry ) if !channel @registry = registry.sub_registry( 'private' ) else @registry = registry.sub_registry( channel.downcase ) end @has_errors = false @registry.each_key { |k| unless @registry.has_key?(k) @has_errors = true error "Data for #{k} is NOT ACCESSIBLE! Database corrupt?" end } if @has_errors debug @registry.to_a.map { |a| a.join(", ")}.join("\n") end @registry_conf = @registry.sub_registry( "config" ) # Per-channel copy of the global questions table. Acts like a shuffled queue # from which questions are taken, until empty. Then we refill it with questions # from the global table. @registry_conf["questions"] = [] unless @registry_conf.has_key?( "questions" ) # Autoask defaults to true @registry_conf["autoask"] = true unless @registry_conf.has_key?( "autoask" ) # Autoask delay defaults to 0 (instantly) @registry_conf["autoask_delay"] = 0 unless @registry_conf.has_key?( "autoask_delay" ) @questions = @registry_conf["questions"] @question = nil @answer = nil @answer_core = nil @first_try = false @hint = nil @hintrange = nil @hinted = false # We keep this array of player stats for performance reasons. It's sorted by score # and always synced with the registry player stats hash. This way we can do fast # rank lookups, without extra sorting. @rank_table = @registry.to_a.sort { |a,b| b[1].score<=>a[1].score } end end ####################################################################### # CLASS QuizPlugin ####################################################################### class QuizPlugin < Plugin def initialize() super @questions = Array.new @quizzes = Hash.new @waiting = Hash.new @ask_mutex = Mutex.new end # Function that returns whether a char is a "separator", used for hints # def is_sep( ch ) return case ch when " " then true when "." then true when "," then true when "-" then true when "'" then true when "&" then true when "\"" then true else false end end # Fetches questions from a file on the server and from the wiki, then merges # and transforms the questions and fills the global question table. # def fetch_data( m ) # Read the winning messages file @win_messages = Array.new if File.exists? "#{@bot.botclass}/quiz/win_messages" IO.foreach("#{@bot.botclass}/quiz/win_messages") { |line| @win_messages << line.chomp } else warning( "win_messages file not found!" ) # Fill the array with a least one message or code accessing it would fail @win_messages << " guessed right! The answer was " end # TODO: Make this configurable, and add support for more than one file (there's a size limit in linux too ;) ) path = "#{@bot.botclass}/quiz/quiz.rbot" debug "Fetching from #{path}" m.reply "Fetching questions from local database and wiki.." # Local data begin datafile = File.new( path, File::RDONLY ) localdata = datafile.read rescue m.reply "Failed to read local database file. oioi." localdata = nil end # Wiki data begin serverdata = @bot.httputil.get_cached( URI.parse( "http://amarok.kde.org/amarokwiki/index.php/Rbot_Quiz" ) ) serverdata = serverdata.split( "QUIZ DATA START\n" )[1] serverdata = serverdata.split( "\nQUIZ DATA END" )[0] serverdata = serverdata.gsub( / /, " " ).gsub( /&/, "&" ).gsub( /"/, "\"" ) rescue m.reply "Failed to download wiki questions. oioi." if localdata == nil m.reply "No questions loaded, aborting." return end end @questions = [] # Fuse together and remove comments, then split data = "\n\n#{localdata}\n\n#{serverdata}".gsub( /^#.*$/, "" ) entries = data.split( "\nQuestion: " ) #First entry will be empty. entries.delete_at(0) entries.each do |e| p = e.split( "\n" ) # We'll need at least two lines of data unless p.size < 2 # Check if question isn't empty if p[0].length > 0 while p[1].match( /^Answer: (.*)$/ ) == nil and p.size > 2 # Delete all lines between the question and the answer p.delete_at(1) end p[1] = p[1].gsub( /Answer: /, "" ).strip # If the answer was found if p[1].length > 0 # Add the data to the array b = QuizBundle.new( p[0], p[1] ) @questions << b end end end end m.reply "done, #{@questions.length} questions loaded." end # Returns new Quiz instance for channel, or existing one # def create_quiz( channel ) unless @quizzes.has_key?( channel ) @quizzes[channel] = Quiz.new( channel, @registry ) end if @quizzes[channel].has_errors return nil else return @quizzes[channel] end end def say_score( m, nick ) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end if q.registry.has_key?( nick ) score = q.registry[nick].score jokers = q.registry[nick].jokers rank = 0 q.rank_table.each_index { |rank| break if nick.downcase == q.rank_table[rank][0].downcase } rank += 1 m.reply "#{nick}'s score is: #{score} Rank: #{rank} Jokers: #{jokers}" else m.reply "#{nick} does not have a score yet. Lamer." end end def help( plugin, topic="" ) if topic == "admin" "Quiz game aministration commands (requires authentication): 'quiz autoask ' => enable/disable autoask mode. 'quiz autoask delay ' => delay next quiz by seconds when in autoask mode. 'quiz transfer [score] [jokers]' => transfer [score] points and [jokers] jokers from to (default is entire score and all jokers). 'quiz setscore ' => set 's score to . 'quiz setjokers ' => set 's number of jokers to . 'quiz deleteplayer ' => delete one player from the rank table (only works when score and jokers are set to 0)." else "A multiplayer trivia quiz. 'quiz' => ask a question. 'quiz hint' => get a hint. 'quiz solve' => solve this question. 'quiz skip' => skip to next question. 'quiz joker' => draw a joker to win this round. 'quiz score [player]' => show score for [player] (default is yourself). 'quiz top5' => show top 5 players. 'quiz top ' => show top players (max 50). 'quiz stats' => show some statistics. 'quiz fetch' => refetch questions from databases.\nYou can add new questions at http://amarok.kde.org/amarokwiki/index.php/Rbot_Quiz" end end # Updates the per-channel rank table, which is kept for performance reasons. # This table contains all players sorted by rank. # def calculate_ranks( m, q, nick ) if q.registry.has_key?( nick ) stats = q.registry[nick] # Find player in table found_player = false i = 0 q.rank_table.each_index do |i| if nick.downcase == q.rank_table[i][0].downcase found_player = true break end end # Remove player from old position if found_player old_rank = i q.rank_table.delete_at( i ) else old_rank = nil end # Insert player at new position inserted = false q.rank_table.each_index do |i| if stats.score > q.rank_table[i][1].score q.rank_table[i,0] = [[nick, stats]] inserted = true break end end # If less than all other players' scores, append to table unless inserted i += 1 unless q.rank_table.empty? q.rank_table << [nick, stats] end # Print congratulations/condolences if the player's rank has changed unless old_rank.nil? if i < old_rank m.reply "#{nick} ascends to rank #{i + 1}. Congratulations :)" elsif i > old_rank m.reply "#{nick} slides down to rank #{i + 1}. So Sorry! NOT. :p" end end else q.rank_table << [[nick, PlayerStats.new( 1 )]] end end # Reimplemented from Plugin # def listen( m ) return unless m.kind_of?(PrivMessage) chan = m.channel return unless @quizzes.has_key?( chan ) q = @quizzes[chan] return if q.question == nil message = m.message.downcase.strip nick = m.sourcenick.to_s if message == q.answer.downcase or message == q.answer_core.downcase points = 1 if q.first_try points += 1 reply = "WHOPEEE! #{nick} got it on the first try! That's worth an extra point. Answer was: #{q.answer}" elsif q.rank_table.length >= 1 and nick.downcase == q.rank_table[0][0].downcase reply = "THE QUIZ CHAMPION defends his throne! Seems like #{nick} is invicible! Answer was: #{q.answer}" elsif q.rank_table.length >= 2 and nick.downcase == q.rank_table[1][0].downcase reply = "THE SECOND CHAMPION is on the way up! Hurry up #{nick}, you only need #{q.rank_table[0][1].score - q.rank_table[1][1].score - 1} points to beat the king! Answer was: #{q.answer}" elsif q.rank_table.length >= 3 and nick.downcase == q.rank_table[2][0].downcase reply = "THE THIRD CHAMPION strikes again! Give it all #{nick}, with #{q.rank_table[1][1].score - q.rank_table[2][1].score - 1} more points you'll reach the 2nd place! Answer was: #{q.answer}" else reply = @win_messages[rand( @win_messages.length )].dup reply.gsub!( "", nick ) reply.gsub!( "", q.answer ) end m.reply reply player = nil if q.registry.has_key?(nick) player = q.registry[nick] else player = PlayerStats.new( 0, 0, 0 ) end player.score = player.score + points # Reward player with a joker every X points if player.score % 15 == 0 and player.jokers < Max_Jokers player.jokers += 1 m.reply "#{nick} gains a new joker. Rejoice :)" end q.registry[nick] = player calculate_ranks( m, q, nick) q.question = nil if q.registry_conf["autoask"] delay = q.registry_conf["autoask_delay"] if delay > 0 m.reply "#{Bold}#{Color}03Next question in #{Bold}#{delay}#{Bold} seconds" timer = @bot.timer.add_once(delay) { @ask_mutex.synchronize do @waiting.delete(chan) end cmd_quiz( m, nil) } @waiting[chan] = timer else cmd_quiz( m, nil ) end end else # First try is used, and it wasn't the answer. q.first_try = false end end # Stretches an IRC nick with dots, simply to make the client not trigger a hilight, # which is annoying for those not watching. Example: markey -> m.a.r.k.e.y # def unhilight_nick( nick ) new_nick = "" 0.upto( nick.length - 1 ) do |i| new_nick += nick[i, 1] new_nick += "." unless i == nick.length - 1 end return new_nick end ####################################################################### # Command handling ####################################################################### def cmd_quiz( m, params ) fetch_data( m ) if @questions.empty? chan = m.channel @ask_mutex.synchronize do if @waiting.has_key?(chan) m.reply "Next quiz question will be automatically asked soon, have patience" return end end q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end if q.question m.reply "#{Bold}#{Color}03Current question: #{Color}#{Bold}#{q.question}" m.reply "Hint: #{q.hint}" if q.hinted return end # Fill per-channel questions buffer if q.questions.empty? temp = @questions.dup temp.length.times do i = rand( temp.length ) q.questions << temp[i] temp.delete_at( i ) end end i = rand( q.questions.length ) q.question = q.questions[i].question q.answer = q.questions[i].answer.gsub( "#", "" ) begin q.answer_core = /(#)(.*)(#)/.match( q.questions[i].answer )[2] rescue q.answer_core = nil end q.answer_core = q.answer.dup if q.answer_core == nil # Check if core answer is numerical and tell the players so, if that's the case # The rather obscure statement is needed because to_i and to_f returns 99(.0) for "99 red balloons", and 0 for "balloon" q.question += "#{Color}07 (Numerical answer)#{Color}" if q.answer_core.to_i.to_s == q.answer_core or q.answer_core.to_f.to_s == q.answer_core q.questions.delete_at( i ) q.first_try = true q.hint = "" (0..q.answer_core.length-1).each do |index| if is_sep(q.answer_core[index,1]) q.hint << q.answer_core[index] else q.hint << "^" end end q.hinted = false # Generate array of unique random range q.hintrange = (0..q.answer_core.length-1).sort_by{rand} m.reply "#{Bold}#{Color}03Question: #{Color}#{Bold}" + q.question end def cmd_solve( m, params ) chan = m.channel return unless @quizzes.has_key?( chan ) q = @quizzes[chan] m.reply "The correct answer was: #{q.answer}" q.question = nil cmd_quiz( m, nil ) if q.registry_conf["autoask"] end def cmd_hint( m, params ) chan = m.channel nick = m.sourcenick.to_s return unless @quizzes.has_key?(chan) q = @quizzes[chan] if q.question == nil m.reply "#{nick}: Get a question first!" else num_chars = case q.hintrange.length # Number of characters to reveal when 25..1000 then 7 when 20..1000 then 6 when 16..1000 then 5 when 12..1000 then 4 when 8..1000 then 3 when 5..1000 then 2 when 1..1000 then 1 end num_chars.times do begin index = q.hintrange.pop # New hint char until the char isn't a "separator" (space etc.) end while is_sep(q.answer_core[index,1]) q.hint[index] = q.answer_core[index] end m.reply "Hint: #{q.hint}" q.hinted = true if q.hint == q.answer_core m.reply "#{Bold}#{Color}04BUST!#{Color}#{Bold} This round is over. #{Color}04Minus one point for #{nick}#{Color}." stats = nil if q.registry.has_key?( nick ) stats = q.registry[nick] else stats = PlayerStats.new( 0, 0, 0 ) end stats["score"] = stats.score - 1 q.registry[nick] = stats calculate_ranks( m, q, nick) q.question = nil cmd_quiz( m, nil ) if q.registry_conf["autoask"] end end end def cmd_skip( m, params ) chan = m.channel return unless @quizzes.has_key?(chan) q = @quizzes[chan] q.question = nil cmd_quiz( m, params ) end def cmd_joker( m, params ) chan = m.channel nick = m.sourcenick.to_s q = create_quiz(chan) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end if q.question == nil m.reply "#{nick}: There is no open question." return end if q.registry[nick].jokers > 0 player = q.registry[nick] player.jokers -= 1 player.score += 1 q.registry[nick] = player calculate_ranks( m, q, nick ) if player.jokers != 1 jokers = "jokers" else jokers = "joker" end m.reply "#{Bold}#{Color}12JOKER!#{Color}#{Bold} #{nick} draws a joker and wins this round. You have #{player.jokers} #{jokers} left." m.reply "The answer was: #{q.answer}." q.question = nil cmd_quiz( m, nil ) if q.registry_conf["autoask"] else m.reply "#{nick}: You don't have any jokers left ;(" end end def cmd_fetch( m, params ) fetch_data( m ) end def cmd_top5( m, params ) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end if q.rank_table.empty? m.reply "There are no scores known yet!" return end m.reply "* Top 5 Players for #{chan}:" [5, q.rank_table.length].min.times do |i| player = q.rank_table[i] nick = player[0] score = player[1].score m.reply " #{i + 1}. #{unhilight_nick( nick )} (#{score})" end end def cmd_top_number( m, params ) num = params[:number].to_i return unless 1..50 === num chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end if q.rank_table.empty? m.reply "There are no scores known yet!" return end ar = [] m.reply "* Top #{num} Players for #{chan}:" n = [ num, q.rank_table.length ].min n.times do |i| player = q.rank_table[i] nick = player[0] score = player[1].score ar << "#{i + 1}. #{unhilight_nick( nick )} (#{score})" end m.reply ar.join(" | ") end def cmd_stats( m, params ) fetch_data( m ) if @questions.empty? m.reply "* Total Number of Questions:" m.reply " #{@questions.length}" end def cmd_score( m, params ) nick = m.sourcenick.to_s say_score( m, nick ) end def cmd_score_player( m, params ) say_score( m, params[:player] ) end def cmd_autoask( m, params ) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end case params[:enable].downcase when "on", "true" q.registry_conf["autoask"] = true m.reply "Enabled autoask mode." cmd_quiz( m, nil ) if q.question == nil when "off", "false" q.registry_conf["autoask"] = false m.reply "Disabled autoask mode." else m.reply "Invalid autoask parameter. Use 'on' or 'off'." end end def cmd_autoask_delay( m, params ) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end delay = params[:time].to_i q.registry_conf["autoask_delay"] = delay m.reply "Autoask delay now #{q.registry_conf['autoask_delay']} seconds" end def cmd_transfer( m, params ) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end debug q.rank_table.inspect source = params[:source] dest = params[:dest] transscore = params[:score].to_i transjokers = params[:jokers].to_i debug "Transferring #{transscore} points and #{transjokers} jokers from #{source} to #{dest}" if q.registry.has_key?(source) sourceplayer = q.registry[source] score = sourceplayer.score if transscore == -1 transscore = score end if score < transscore m.reply "#{source} only has #{score} points!" return end jokers = sourceplayer.jokers if transjokers == -1 transjokers = jokers end if jokers < transjokers m.reply "#{source} only has #{jokers} jokers!!" return end if q.registry.has_key?(dest) destplayer = q.registry[dest] else destplayer = PlayerStats.new(0,0,0) end if sourceplayer == destplayer m.reply "Source and destination are the same, I'm not going to touch them" return end sourceplayer.score -= transscore destplayer.score += transscore sourceplayer.jokers -= transjokers destplayer.jokers += transjokers q.registry[source] = sourceplayer calculate_ranks(m, q, source) q.registry[dest] = destplayer calculate_ranks(m, q, dest) m.reply "Transferred #{transscore} points and #{transjokers} jokers from #{source} to #{dest}" else m.reply "#{source} doesn't have any points!" end end def cmd_del_player( m, params ) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end debug q.rank_table.inspect nick = params[:nick] if q.registry.has_key?(nick) player = q.registry[nick] score = player.score if score != 0 m.reply "Can't delete player #{nick} with score #{score}." return end jokers = player.jokers if jokers != 0 m.reply "Can't delete player #{nick} with #{jokers} jokers." return end q.registry.delete(nick) player_rank = nil q.rank_table.each_index { |rank| if nick.downcase == q.rank_table[rank][0].downcase player_rank = rank break end } q.rank_table.delete_at(player_rank) m.reply "Player #{nick} deleted." else m.reply "Player #{nick} isn't even in the database." end end def cmd_set_score(m, params) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end debug q.rank_table.inspect nick = params[:nick] val = params[:score].to_i if q.registry.has_key?(nick) player = q.registry[nick] player.score = val else player = PlayerStats.new( val, 0, 0) end q.registry[nick] = player calculate_ranks(m, q, nick) m.reply "Score for player #{nick} set to #{val}." end def cmd_set_jokers(m, params) chan = m.channel q = create_quiz( chan ) if q.nil? m.reply "Sorry, the quiz database for #{chan} seems to be corrupt" return end debug q.rank_table.inspect nick = params[:nick] val = [params[:jokers].to_i, Max_Jokers].min if q.registry.has_key?(nick) player = q.registry[nick] player.jokers = val else player = PlayerStats.new( 0, val, 0) end q.registry[nick] = player m.reply "Jokers for player #{nick} set to #{val}." end end plugin = QuizPlugin.new plugin.default_auth( 'edit', false ) # Normal commands plugin.map 'quiz', :action => 'cmd_quiz' plugin.map 'quiz solve', :action => 'cmd_solve' plugin.map 'quiz hint', :action => 'cmd_hint' plugin.map 'quiz skip', :action => 'cmd_skip' plugin.map 'quiz joker', :action => 'cmd_joker' plugin.map 'quiz score', :action => 'cmd_score' plugin.map 'quiz score :player', :action => 'cmd_score_player' plugin.map 'quiz fetch', :action => 'cmd_fetch' plugin.map 'quiz top5', :action => 'cmd_top5' plugin.map 'quiz top :number', :action => 'cmd_top_number' plugin.map 'quiz stats', :action => 'cmd_stats' # Admin commands plugin.map 'quiz autoask :enable', :action => 'cmd_autoask', :auth_path => 'edit' plugin.map 'quiz autoask delay :time', :action => 'cmd_autoask_delay', :auth_path => 'edit', :requirements => {:time => /\d+/} plugin.map 'quiz transfer :source :dest :score :jokers', :action => 'cmd_transfer', :auth_path => 'edit', :defaults => {:score => '-1', :jokers => '-1'} plugin.map 'quiz deleteplayer :nick', :action => 'cmd_del_player', :auth_path => 'edit' plugin.map 'quiz setscore :nick :score', :action => 'cmd_set_score', :auth_path => 'edit' plugin.map 'quiz setjokers :nick :jokers', :action => 'cmd_set_jokers', :auth_path => 'edit'