Class: Roebe::TicTacToe

Inherits:
Base show all
Defined in:
lib/roebe/classes/tic_tac_toe.rb

Overview

Roebe::TicTacToe

Constant Summary

Constants inherited from Base

Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N, Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#actions, #append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #complex_esystem, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkkhaki, #darkslateblue, #deeppink, #delete_symlink, #do_not_use_the_base_colours, #do_use_the_base_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #emphasis, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esteelblue, #etomato, #ewarn, #exit_program, #firebrick, #get_current_day, #get_current_month, #get_files_and_directories, #get_files_from, #get_german_name_for_this_weekday, #gold, #green, #grey, #hh_mm_ss, #hh_mm_ss_day_month_year, #home_dir?, #home_directory_of_user_x?, #infer_the_namespace, #internal_hash?, #is_a_directory?, #is_a_file?, #is_a_jpg_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_studium_available?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #le, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lightsteelblue, #lime, #limegreen, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumslateblue, #mediumspringgreen, #mediumturquoise, #mkdir_p, #mv, #n_days_in_this_month, #n_pages_in_this_pdf_file?, #namespace?, #no_file_exists_at, #ogrey, #olive, #olivedrab, #open_in_browser, #opne, #opnesystem, #opnn, #orange, #orchid, #orev, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #project_base_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #require_rescue, #reset_the_internal_hash, #return_all_directories_from_this_directory, #return_all_files_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #roebe_log_directory?, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #show_help, #silent_redirection?, #simp, #simple_esystem, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #string_italic, #swarn, #symlink, #teal, #temp_dir?, #to_camelcase, #to_counted_hash, #tomato, #touch, #try_to_require_the_beautiful_url_gem, #try_to_require_the_html_template, #try_to_require_the_open_gem, #try_to_require_the_program_information_gem, #try_to_require_the_xorg_buffer, #use_colours?, #verbose_truth, #weekday?, #word_wrap, #write_what_into, #yellow

Methods included from Base::CommandlineArguments

#append_onto_the_commandline_arguments, #clear_commandline_arguments, #commandline_arguments?, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #remove_hyphened_arguments_from_the_commandline_arguments, #return_commandline_arguments_with_leading_hyphens, #second_argument?, #set_commandline_arguments

Constructor Details

#initialize(i = nil, run_already = true) ⇒ TicTacToe

#

initialize

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 25

def initialize(
    i           = nil,
    run_already = true
  )
  reset
  set_commandline_arguments(i)
  run if run_already
end

Class Method Details

.[](i = '') ⇒ Object

#

Roebe::TicTacToe[]

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 318

def self.[](i = '')
  new(i)
end

Instance Method Details

#already_occupied?(i) ⇒ Boolean

#

already_occupied?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 103

def already_occupied?(i)
  (i == 'o') or # player2
  (i == 'x')    # player1
end

#determine_whether_the_game_is_over ⇒ Object

#

determine_whether_the_game_is_over

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 224

def determine_whether_the_game_is_over
  _ = query_win_condition
  if @game_over
    if _.nil?
      e 'Unentschieden - kein Spieler hat diese Partie gewonnen.'
    else
      e "#{_} hat das Spiel gewonnen!"
    end
  end
end

#display_game_field ⇒ Object

#

display_game_field

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 298

def display_game_field
  e
  horizontal_line
  @playing_field.each {|line|
    e ' | '+line.join(' ')+' |'
  }
  horizontal_line
  e
end

#horizontal_line ⇒ Object

#

horizontal_line

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 311

def horizontal_line
  e ' .-------.'
end

#msg_already_occupied_place ⇒ Object

#

msg_already_occupied_place

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 111

def msg_already_occupied_place
  e 'Diese Stelle ist bereits besetzt. Bitte verwende eine andere Stelle.'
end

#obtain_user_input ⇒ Object

#

obtain_user_input

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 189

def obtain_user_input
  _ = $stdin.gets.chomp
  _ = '9' if _ == '0' # 0 is treated equally like 0.
  @user_input = _.to_i
end

#query_win_condition ⇒ Object

#

query_win_condition

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 238

def query_win_condition
  who_won = nil
  _ = @playing_field
  # ======================================================================= #
  # Next horizontal rows:
  # ======================================================================= #
  if    (_[0][0]+_[0][1]+_[0][2] == 'xxx')
    who_won = :player1
  elsif (_[0][0]+_[0][1]+_[0][2] == 'ooo')
    who_won = :player2
  elsif (_[1][0]+_[1][1]+_[1][2] == 'xxx')
    who_won = :player1
  elsif (_[1][0]+_[1][1]+_[1][2] == 'ooo')
    who_won = :player2
  elsif (_[2][0]+_[2][1]+_[2][2] == 'xxx')
    who_won = :player1
  elsif (_[2][0]+_[2][1]+_[2][2] == 'ooo')
    who_won = :player2
  # ======================================================================= #
  # Next vertical rows:
  # ======================================================================= #
  elsif (_[0][0]+_[1][0]+_[2][0] == 'xxx')
    who_won = :player1
  elsif (_[0][0]+_[1][0]+_[2][0] == 'ooo')
    who_won = :player2
  elsif (_[0][1]+_[1][1]+_[2][1] == 'xxx')
    who_won = :player1
  elsif (_[0][1]+_[1][1]+_[2][1] == 'ooo')
    who_won = :player2
  elsif (_[0][2]+_[1][2]+_[2][2] == 'xxx')
    who_won = :player1
  elsif (_[0][2]+_[1][2]+_[2][2] == 'ooo')
    who_won = :player2
  # ======================================================================= #
  # And diagonal checks - only two possible. (X structure)
  # ======================================================================= #
  elsif (_[0][0]+_[1][1]+_[2][2] == 'xxx')
    who_won = :player1
  elsif (_[0][0]+_[1][1]+_[2][2] == 'ooo')
    who_won = :player2
  elsif (_[2][0]+_[1][1]+_[0][2] == 'xxx')
    who_won = :player1
  elsif (_[2][0]+_[1][1]+_[0][2] == 'ooo')
    who_won = :player2
  end
  case who_won
  when :player1, 
       :player2
    @game_over = true
  else # Unentschieden.
    unless @playing_field.flatten.include? ' '
      @game_over = true
    end
  end
  return who_won
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 37

def reset
  super()
  infer_the_namespace
  # ======================================================================= #
  # === @game_over
  # ======================================================================= #
  @game_over = false
  # ======================================================================= #
  # === @playing_field    
  # ======================================================================= #
  @playing_field = [
    [' ',' ',' '],
    [' ',' ',' '],
    [' ',' ',' ']
  ]
  # ======================================================================= #
  # === @active_player
  # ======================================================================= #
  @active_player = :player1
end

#return_active_player ⇒ Object

#

return_active_player

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 96

def return_active_player
  @active_player
end

#return_token_for_the_currently_active_player ⇒ Object Also known as: insert_which_token?, zeichen?, use_which_token?, token?

#

return_token_for_the_currently_active_player

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 68

def return_token_for_the_currently_active_player
  case @active_player
  when :player1
    'x'
  when :player2
    'o'
  end
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 198

def run
  @user_input = nil
  loop {
    e rev+
      'Bitte setze das '+
       steelblue(return_token_for_the_currently_active_player)+
      ' durch Eingabe einer Nummer von 1-9:'
    obtain_user_input
    case @user_input
    when 1,2,3,4,5,6,7,8,9
      try_to_modify_this_field(
        @user_input, return_token_for_the_currently_active_player
      )
      @active_player = return_active_player
      display_game_field
      determine_whether_the_game_is_over
      break if @game_over
    else
      e @user_input.to_s+' ist nicht erlaubt.'
    end
  }
end

#set_active_player(i) ⇒ Object

#

set_active_player

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 61

def set_active_player(i)
  @active_player = i
end

#toggle_active_player ⇒ Object

#

toggle_active_player

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 83

def toggle_active_player
  if @active_player == :player1
    set_active_player(:player2)
  elsif @active_player == :player2
    set_active_player(:player1)
  else
    e 'Not registered event.'
  end
end

#try_to_modify_this_field(position, use_this_token) ⇒ Object

#

try_to_modify_this_field

#


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# File 'lib/roebe/classes/tic_tac_toe.rb', line 118

def try_to_modify_this_field(position, use_this_token)
  case position
  when 1
    if already_occupied?(@playing_field[0][0])
      msg_already_occupied_place
    else
      @playing_field[0][0] = use_this_token
      toggle_active_player
    end
  when 2
    if already_occupied?(@playing_field[0][1])
      msg_already_occupied_place
    else
      @playing_field[0][1] = use_this_token
      toggle_active_player
    end
  when 3
    if already_occupied?(@playing_field[0][2])
      msg_already_occupied_place
    else
      @playing_field[0][2] = use_this_token
      toggle_active_player
    end
  when 4
    if already_occupied?(@playing_field[1][0])
      msg_already_occupied_place
    else
      @playing_field[1][0] = use_this_token
      toggle_active_player
    end
  when 5
    if already_occupied?(@playing_field[1][1])
      msg_already_occupied_place
    else
      @playing_field[1][1] = use_this_token
      toggle_active_player
    end
  when 6
    if already_occupied?(@playing_field[1][2])
      msg_already_occupied_place
    else
      @playing_field[1][2] = use_this_token
      toggle_active_player
    end
  when 7
    if already_occupied?(@playing_field[2][0])
      msg_already_occupied_place
    else
      @playing_field[2][0] = use_this_token
      toggle_active_player
    end
  when 8
    if already_occupied?(@playing_field[2][1])
      msg_already_occupied_place
    else
      @playing_field[2][1] = use_this_token
      toggle_active_player
    end
  when 9
    if already_occupied?(@playing_field[2][2])
      msg_already_occupied_place
    else
      @playing_field[2][2] = use_this_token
      toggle_active_player
    end
  end
end