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Fully customizable mastermind game generator. Supports custom items, multiplayer, timers, and etc.

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MastermindGenerator

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Mastermind* Generator is a fully customizable mastermind (or master mind) game generator. It supports using custom items other than classic color variations. It can also generate multi-player games.

If you are looking for a playable version of Mastermind, you can look at demo folder.

* Mastermind s a code-breaking game. For more information: Wikipedia

Installation

Add this line to your application's Gemfile:

gem 'mastermind_generator'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install mastermind_generator

Configuration

Before you use mastermind generator you need to configure it. Two attributes should be supplied like below:

MastermindGenerator.configure do |config|
  config.items = %w[red green blue yellow purple orange]
  config.difficulties = {
    beginner: {
      item_count: 4,
      sequence_length: 4
    },
    intermediate: {
      item_count: 5,
      sequence_length: 6
    },
    advanced: {
      item_count: 6,
      sequence_length: 8
    }
  }
end

Basic Usage

Require the gem and include it in your class definition.

require 'mastermind_generator'
# require "path_to_your_configuration_file"

class MastermindGame
  include MastermindGenerator

  # your code goes here...
end

Now, you can generate game objects...

...

  class MastermindGame
    include MastermindGenerator
    attr_reader :game

    def start
      # You must supply one of the difficulty level as an argument to `Game.new`
      @game = Game.new(:beginner)

      # You can add one or two player
      game.add_player("Aaron")
      game.add_player("Celine")

      # You are ready to create a game loop however you want
      # An example is shown below
      loop do
        # Current player takes a guess (chosen automatically)
        print "Hey #{game.player_name}! What's your guess?"
        game.take_a_guess(gets.strip)

        # Check the guess is succeed or fail
        if game.finished?
          puts "congrats"
          break
        else
          puts "feedback"
        end

        # if the game is multi-player, you need to call `@game.next_turn`
        game.next_turn if game.players_count > 1
      end
    end
  end

Gathering information

You can use following methods to get information about the game.

game.sequence_value # returns auto-generated target sequence value

game.player_name # returns current player's name

game.guesses # returns all of guesses of the current player

game.guess_stats
# returns all information about the current player guesses
# # => {
#    value:  guess sequence value,
#    target: target sequence value,
#    status: successful or fail,
#    count: count of guesses,
#    element_count:  correct element count,
#    position_count: correct position count,
#    position_hints: correct position hints,
#    duration: elapsed time,
#    duration_as_text: elapsed time in human readable format,
# }

# You can also get some of the statistics by piece 
game.guess_value
game.guess_count
game.timer_duration
game.timer_duration_as_text

Providing Feedbacks

You can give feedbacks to your players by using the methods we mentioned above. An example is given below:

def congrats
  print(<<~MSG)
    Congratulations #{game.player_name}! You guessed the sequence '#{game.sequence_value.upcase}' \
    in #{game.guesses_count} guesses over #{game.timer_duration_as_text}.
  MSG
end
def feedback
  stats = game.guess_stats
  print(<<~MSG)
      '#{stats[:value].upcase}' has #{stats[:element_count]} of the correct elements with \
      #{stats[:position_count]} in the correct positions.\nYou've taken #{stats[:count]} guess.
  MSG
end

Exception Handling

There are six error types defined in the gem with proper #message methods.

  • SequenceTooLongError
  • SequenceTooShortError
  • SequenceHasInvalidCharsError
  • InvalidDifficultyError
  • TimerNotStartedError
  • TimerNotStoppedError

An example usage might be like this:

begin
  print("Hey #{game.player_name}! What's your guess? > ")
  game.take_a_guess(gets.strip)
rescue SequenceTooLongError, SequenceTooShortError, SequenceHasInvalidCharsError => e
  warn("#{e.message}. Try again!")
  retry
end

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/sbagdat/mastermind_generator. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the MastermindGenerator project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

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Fully customizable mastermind game generator. Supports custom items, multiplayer, timers, and etc.

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