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|
class MarkovPlugin < Plugin
def initialize
super
@registry.set_default([])
@lastline = false
end
def generate_string(seedline)
# limit to max of 50 words
return unless seedline
word1, word2 = seedline.split(/\s+/)
output = word1 + " " + word2
50.times do
wordlist = @registry["#{word1}/#{word2}"]
break if wordlist.empty?
word3 = wordlist[rand(wordlist.length)]
break if word3 == :nonword
output = output + " " + word3
word1, word2 = word2, word3
end
return output
end
def help(plugin, topic="")
"markov plugin: listens to chat to build a markov chain, with which it can (perhaps) attempt to (inanely) contribute to 'discussion'. Sort of.. Will get a *lot* better after listening to a lot of chat. usage: 'markov' to attempt to say something relevant to the last line of chat, if it can. other options to markov: 'ignore' => ignore a hostmask (accept no input), 'status' => show current status, 'probability' => set the % chance of rbot responding to input, 'chat' => try and say something intelligent, 'chat about <foo> <bar>' => riff on a word pair (if possible)"
end
def clean_str(s)
str = s.dup
str.gsub!(/^\S+[:,;]/, "")
str.gsub!(/\s{2,}/, ' ') # fix for two or more spaces
return str.strip
end
def probability?
prob = @registry['probability']
prob = 25 if prob.kind_of? Array;
prob = 0 if prob < 0
prob = 100 if prob > 100
return prob
end
def status(m,params)
enabled = @registry['enabled']
if (enabled)
m.reply "markov is currently enabled, #{probability?}% chance of chipping in"
else
m.reply "markov is currently disabled"
end
end
def ignore?(user=nil)
@registry['ignore_users'].each do |mask|
return true if Irc.netmaskmatch mask, user
end
return false
end
def ignore(m, params)
if @registry['ignore_users'].nil?
@registry['ignore_users'] = []
end
action = params[:action]
user = params[:option]
case action
when 'remove':
if @registry['ignore_users'].include? user
s = @registry['ignore_users']
s.delete user
@registry['ignore_users'] = s
m.reply "#{user} removed"
else
m.reply "not found in list"
end
when 'add':
if user
if @registry['ignore_users'].include?(user)
m.reply "#{user} already in list"
else
@registry['ignore_users'] = @registry['ignore_users'].push user
m.reply "#{user} added to markov ignore list"
end
else
m.reply "give the name of a person to ignore"
end
when 'list':
m.reply "I'm ignoring #{@registry['ignore_users'].join(", ")}"
else
m.reply "have markov ignore the input from a hostmask. usage: markov ignore add <mask>; markov ignore remove <mask>; markov ignore list"
end
end
def enable(m, params)
@registry['enabled'] = true
m.okay
end
def probability(m, params)
@registry['probability'] = params[:probability].to_i
m.okay
end
def disable(m, params)
@registry['enabled'] = false
m.okay
end
def should_talk
return false unless @registry['enabled']
prob = probability?
return true if prob > rand(100)
return false
end
def random_markov(m, message)
return unless should_talk
line = generate_string(message)
return unless line
m.reply line unless line == message
end
def chat(m, params)
seed = "#{params[:seed1]} #{params[:seed2]}"
line = generate_string seed
if line != seed
m.reply line
else
m.reply "I can't :("
end
end
def rand_chat(m, params)
# pick a random pair from the db and go from there
word1, word2 = :nonword, :nonword
output = Array.new
50.times do
wordlist = @registry["#{word1}/#{word2}"]
break if wordlist.empty?
word3 = wordlist[rand(wordlist.length)]
break if word3 == :nonword
output << word3
word1, word2 = word2, word3
end
if output.length > 1
m.reply output.join(" ")
else
m.reply "I can't :("
end
end
def listen(m)
return unless m.kind_of?(PrivMessage) && m.public?
return if m.address?
return if ignore? m.source
# in channel message, the kind we are interested in
message = clean_str m.message
wordlist = message.split(/\s+/)
return unless wordlist.length >= 2
@lastline = message
word1, word2 = :nonword, :nonword
wordlist.each do |word3|
@registry["#{word1}/#{word2}"] = @registry["#{word1}/#{word2}"].push(word3)
word1, word2 = word2, word3
end
@registry["#{word1}/#{word2}"] = [:nonword]
return if m.replied?
random_markov(m, message)
end
end
plugin = MarkovPlugin.new
plugin.map 'markov ignore :action :option', :action => "ignore"
plugin.map 'markov ignore :action', :action => "ignore"
plugin.map 'markov ignore', :action => "ignore"
plugin.map 'markov enable', :action => "enable"
plugin.map 'markov disable', :action => "disable"
plugin.map 'markov status', :action => "status"
plugin.map 'chat about :seed1 :seed2', :action => "chat"
plugin.map 'chat', :action => "rand_chat"
plugin.map 'markov probability :probability', :action => "probability",
:requirements => {:probability => /^\d+$/}
|
