<?php 

#==============================================================================

# ■ Visuality System

# ● Core Functions

#==============================================================================



#==============================================================================

# ■ Game_System

#==============================================================================



class Game_System

  #--------------------------------------------------------------------------

  # ● Alias Functions

  #--------------------------------------------------------------------------

  alias tayruu_vn_system_init initialize

  #--------------------------------------------------------------------------

  # ● Public Instance Variables

  #--------------------------------------------------------------------------

  attr_accessor :oldindex

  attr_accessor :leavingmenu

  #--------------------------------------------------------------------------

  # ● Object Initialization

  #--------------------------------------------------------------------------

  def initialize

    tayruu_vn_system_init

    @oldindex = -1

    @leavingmenu = false

  end

end



#==============================================================================

# ■ Interpreter (part 1)

#==============================================================================

class Interpreter

  #--------------------------------------------------------------------------

  # ● Alias Functions

  #--------------------------------------------------------------------------

  alias tayruu_vn_interpreter_update update

  #--------------------------------------------------------------------------

  # ● Frame Update

  #--------------------------------------------------------------------------

  def update

    if $game_system.leavingmenu && @list != nil

      @index = $game_system.oldindex 

      @index -= 1 unless @list[@index].code == 101

      valid_commands = [101, 102, 402, 403, 103, 104, 105, 106, 111, 411, 112,

         403, 113, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 127,

         128, 129, 131, 132, 133, 134, 135, 136, 201, 202, 203, 204, 205, 206,

         207, 208, 209, 210, 221, 222, 223, 224, 225, 231, 232, 233, 234, 235, 

         236, 241, 241, 242, 245, 246, 247, 248, 249, 250, 251, 301, 601, 602,

         603, 302, 303, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321,

         322, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 351, 352, 353,

         354, 355, ]

      if !valid_commands.include?(@list[@index].code)

        @index -= 1

      end

      $game_system.leavingmenu = false

    end

    tayruu_vn_interpreter_update

    $game_system.oldindex = @index - 1 unless @index == nil

  end

end    



#==============================================================================

# ■ Scene_Map

#==============================================================================

class Scene_Map < SDK::Scene_Base

  #--------------------------------------------------------------------------

  # ● Frame Update : Message Test

  #--------------------------------------------------------------------------

  def update_message?

    return false

  end

  #--------------------------------------------------------------------------

  # ● Frame Update : Menu Call

  #--------------------------------------------------------------------------

  def update_call_menu

    # If B button was pressed

    if Input.trigger?(Input::B)

      # If event is running, or menu is not forbidden

      unless $game_system.menu_disabled

        # Set menu calling flag or beep flag

        $game_temp.menu_calling = true

        $game_temp.menu_beep = true

      end

    end

  end

end



#==============================================================================

# ■ Scene_Menu

#==============================================================================

class Scene_Menu < SDK::Scene_Base

  #--------------------------------------------------------------------------

  # ● Alias Functions

  #--------------------------------------------------------------------------

  alias tayruu_vn_menu_init initialize

  #--------------------------------------------------------------------------

  # ● Object Initialization

  #--------------------------------------------------------------------------

  def initialize(menu_index = 0)

    tayruu_vn_menu_init(menu_index)

    $game_system.leavingmenu = true

  end

end