Class: SetState

Inherits:
GameState show all
Includes:
Singleton
Defined in:
lib/lib/game_states/set_state.rb

Overview

Game state of settings screen

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from GameState

#after_start, #before_end, switch!

Constructor Details

#initialize ⇒ SetState

What to do just before state gets deactivated def before_end end



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# File 'lib/lib/game_states/set_state.rb', line 21

def initialize
  super
  @settings = { # TODO move out?
    'axis_top'    => true,
    'axis_bottom' => false,
    'axis_left'   => true,
    'axis_right'  => false
  }
end

Instance Attribute Details

#settings ⇒ Object (readonly)

TODO move out?



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# File 'lib/lib/game_states/set_state.rb', line 11

def settings
  @settings
end

Instance Method Details

#change_setting!(button) ⇒ Object 



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# File 'lib/lib/game_states/set_state.rb', line 62

def change_setting!(button)
  changed_setting = {
    Gosu::Kb1 => 'axis_top',
    Gosu::Kb2 => 'axis_bottom',
    Gosu::Kb3 => 'axis_left',
    Gosu::Kb4 => 'axis_right'
  }[button]

  old_value = @settings[changed_setting]
  @settings[changed_setting] = !@settings[changed_setting] # TODO other than boolean types?
  puts "setting #{changed_setting} changed from #{old_value} " \
       "to #{@settings[changed_setting]}"
end

#draw ⇒ Object 



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# File 'lib/lib/game_states/set_state.rb', line 41

def draw
  header_text = '
      /--  ///  /-/  -/-
      /--  |||  /-/   |
      /--  |||  |    -/-'
  options_text = "
      1 – show top axis: #{@settings['axis_top']}
      2 – show bottom axis: #{@settings['axis_bottom']}
      3 – show left axis: #{@settings['axis_left']}
      4 – show right axis: #{@settings['axis_right']}\n
      Esc – return to menu"
  warning_text = '
      Warning: settings are not saved
      when Empi is closed'

  menu = Gosu::Image.from_text(
    header_text + "\n\n\n\n\n" + options_text + "\n\n\n" + warning_text, 20)

  menu.draw((3*TILESIZE) + XTEXT, (2*TILESIZE) + YTEXT, ZTEXT)
end

#update(button) ⇒ Object

Process given button



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# File 'lib/lib/game_states/set_state.rb', line 32

def update(button)
  case(button)
  when Gosu::Kb1, Gosu::Kb2, Gosu::Kb3, Gosu::Kb4 then
    change_setting!(button)
  when Gosu::KbEscape then
    GameState.switch!(WelcomeState.instance)
  end
end