Class: PasswordDialog

Inherits:
Message show all
Includes:
Encryption
Defined in:
lib/game_2d/password_dialog.rb

Constant Summary collapse

PROMPT = 
'Enter password:'
PRINTABLE_ASCII = 
(32..126).to_a.pack 'C*'

Instance Attribute Summary

Attributes inherited from Message

#lines

Instance Method Summary collapse

Methods included from Encryption

#decrypt, #encrypt, #key=, #make_cipher, #make_password_hash

Methods inherited from Message

#drawn?

Constructor Details

#initialize(window, font) ⇒ PasswordDialog

Returns a new instance of PasswordDialog.



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# File 'lib/game_2d/password_dialog.rb', line 11

def initialize(window, font)
  super(window, font, [PROMPT, '_'])
  @text = @window.text_input = Gosu::TextInput.new
  @draw_count = 0
end

Instance Method Details

#display_text ⇒ Object 



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# File 'lib/game_2d/password_dialog.rb', line 17

def display_text
  size = password.size
  return '_' if size.zero?
  rand_char = PRINTABLE_ASCII[
    (@draw_count / 10) * 53 % PRINTABLE_ASCII.size
  ]
  rand_char * size
end

#draw ⇒ Object 



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# File 'lib/game_2d/password_dialog.rb', line 26

def draw
  @draw_count += 1
  self.lines = [PROMPT, display_text]
  super
end

#enter ⇒ Object 



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# File 'lib/game_2d/password_dialog.rb', line 32

def enter
  @window.text_input = nil
end

#password_hash ⇒ Object 



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# File 'lib/game_2d/password_dialog.rb', line 41

def password_hash
  make_password_hash password
end