Class: WelcomeState

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

Overview

Game state of main menu

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from GameState

#after_start, #before_end, switch!

Instance Attribute Details

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/lib/game_states/welcome_state.rb', line 13

def version
  @version
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/lib/game_states/welcome_state.rb', line 49

def draw
  header_text = '
      /--  ///  /-/  -/-
      /--  |||  /-/   |
      /--  |||  |    -/-'

  # Is there active map? Is it won?
  if PlayState.instance.map
    unless WinState.instance.faction
      resume_text = "
      Esc – resume"
    else
      resume_text = "
      Esc – return to victory screen"
    end
  else
    resume_text = "\n"
  end

  options_text = "
      1 – start new: Map 01
      2 – start new: Map 02
      3 – start new: Map 03\n
      9, S – settings
      0, Q – quit"

  version_text = "
      version #{self.version}"

  menu = Gosu::Image.from_text(
    header_text + "\n\n\n" +
    resume_text + "\n" +
    options_text + "\n\n\n\n\n\n\n\n" +
    version_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/welcome_state.rb', line 24

def update(button)
  case(button)
  when Gosu::KbEscape then
    # If there is active map go either to it or to its win screen
    if PlayState.instance.map
      unless WinState.instance.faction
        GameState.switch!(PlayState.instance)
      else
        GameState.switch!(WinState.instance)
      end
    end
  when Gosu::Kb1, Gosu::Kb2, Gosu::Kb3 then
    PlayState.instance.desired_new_map = {
       Gosu::Kb1 => 'm01',
       Gosu::Kb2 => 'm02',
       Gosu::Kb3 => 'm03'
    }[button]
    GameState.switch!(PlayState.instance)
  when Gosu::Kb9, Gosu::KbS then
    GameState.switch!(SetState.instance)
  when Gosu::Kb0, Gosu::KbQ then
    GameState.switch!(QuitState.instance)
  end
end