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class MarkovPlugin < Plugin
def initialize
super
@registry.set_default([])
@lastline = false
@enabled = false
end
def get_line
# limit to max of 50 words
return unless @lastline
word1, word2 = @lastline.split(/\s+/)
output = word1 + " " + word2
50.times do
wordlist = @registry["#{word1}/#{word2}"]
word3 = wordlist[rand(wordlist.length)]
break if word3 == :nonword
output = output + " " + word3
word1, word2 = word2, word3
end
return output
end
def markov(m, params)
m.reply get_line
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."
end
def clean_str(s)
str = s.dup
str.gsub!(/^.+:/, "")
str.gsub!(/^.+,/, "")
return str.strip
end
def enable(m, params)
@enabled = true
m.okay
end
def disable(m, params)
@enabled = false
m.okay
end
def should_talk
return false unless @enabled
# 50:50
return false if rand(2) == 1
return true
end
def random_markov(m)
return unless should_talk
line = get_line
puts "got line #{line}"
m.reply line unless line == @lastline
end
def listen(m)
return unless m.kind_of?(PrivMessage) && m.public?
return if m.address?
message = clean_str m.message
# in channel message, the kind we are interested in
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]
random_markov(m)
end
end
plugin = MarkovPlugin.new
plugin.map 'markov enable', :action => "enable"
plugin.map 'markov disable', :action => "disable"
plugin.map 'markov'
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