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#!/usr/bin/ruby
require 'yaml'
class Game
def initialize
# load YAML
file = File.read 'yard.yml'
y = YAML.load file
@possible_locations = y['starting_locations']
@previous_locations = Array.new
@map = y['map']
end
def possible_locations turn = 0
locations = Hash.new 0
@possible_locations.each do |loc|
locations[loc] += 1
end
chances = locations.values.inject :+
locations.each { |location, chance| locations[location] = chance / chances.to_f }
locations
end
def remove possibility
@possible_locations.delete possibility
end
def at location
@possible_locations = [location]
end
def take method
new_locations = Array.new
@possible_locations.each do |loc|
unless @map[loc][method] == nil
new_locations += @map[loc][method]
end
end
@possible_locations = new_locations
end
end
def print_locations locations
puts 'Possible Locations:'
locations = locations.sort_by { |loc, prob| -prob }
locations.each { |loc, prob| printf " %3d: %6.2f\%\n", loc, prob*100 }
end
g = Game.new
start = 196
g.at start
print_locations g.possible_locations
g.take 'taxi'
g.take 'taxi'
g.take 'taxi'
g.take 'underground'
g.take 'bus'
print_locations g.possible_locations
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