WIDTH = 640
HEIGHT = 480
DELTA_WIDTH   = (WIDTH - 544).abs
DELTA_HEIGHT = (HEIGHT - 416).abs

class Spriteset_Map
  def create_viewports
    @viewport1 = Viewport.new(0, 0, WIDTH, HEIGHT)
    @viewport2 = Viewport.new(0, 0, WIDTH, HEIGHT)
    @viewport3 = Viewport.new(0, 0, WIDTH, HEIGHT)
    @viewport2.z = 50
    @viewport3.z = 100
  end
end

class Spriteset_Battle
  def create_viewports
    @viewport1 = Viewport.new(0, 0, WIDTH, HEIGHT)
    @viewport2 = Viewport.new(0, 0, WIDTH, HEIGHT)
    @viewport3 = Viewport.new(0, 0, WIDTH, HEIGHT)
    @viewport2.z = 50
    @viewport3.z = 100
  end
end

class Window_Base < Window
  def x=(x)
    super(x + DELTA_WIDTH / 2)
  end
  
  def y=(y)
    super(y + DELTA_HEIGHT/ 2)
  end
end


class Scene_Battle < Scene_Base
  def create_info_viewport
    @info_viewport = Viewport.new(0, 288, WIDTH, HEIGHT)
    @info_viewport.z = 100
    @status_window = Window_BattleStatus.new
    @party_command_window = Window_PartyCommand.new
    @actor_command_window = Window_ActorCommand.new
    @status_window.viewport = @info_viewport
    @party_command_window.viewport = @info_viewport
    @actor_command_window.viewport = @info_viewport
    @status_window.x = 128
    @actor_command_window.x = 544
    @info_viewport.visible = false
  end
end

class Scene_Item < Scene_Base
   def start
    super
    create_menu_background
    @viewport = Viewport.new(0, 0, WIDTH, HEIGHT)
    @help_window = Window_Help.new
    @help_window.viewport = @viewport
    @item_window = Window_Item.new(0, 56, 544, 360)
    @item_window.help_window = @help_window
    @item_window.active = false
    @target_window = Window_MenuStatus.new(0,  0)
    hide_target_window
  end
  
  def show_target_window(right)
    @item_window.active = false
    width_remain = WIDTH - @target_window.width
    @target_window.x = right ? width_remain : 0
    @target_window.visible = true
    @target_window.active = true
    if right
      @viewport.rect.set(0, 0, width_remain, HEIGHT)
      @viewport.ox = 0
    else
      @viewport.rect.set(@target_window.width, 0, width_remain, HEIGHT)
      @viewport.ox = @target_window.width
    end
  end
  
  def hide_target_window
    @item_window.active = true
    @target_window.visible = false
    @target_window.active = false
    @viewport.rect.set(0, 0, WIDTH, HEIGHT)
    @viewport.ox = 0
  end
end

class Scene_Skill < Scene_Base
  def start
    super
    create_menu_background
    @actor = $game_party.members[@actor_index]
    @viewport = Viewport.new(0, 0, WIDTH, HEIGHT)
    @help_window = Window_Help.new
    @help_window.viewport = @viewport
    @status_window = Window_SkillStatus.new(0, 56, @actor)
    @status_window.viewport = @viewport
    @skill_window = Window_Skill.new(0, 112, 544, 304, @actor)
    @skill_window.viewport = @viewport
    @skill_window.help_window = @help_window
    @target_window = Window_MenuStatus.new(0, 0)
    hide_target_window
  end
  
  def show_target_window(right)
    @skill_window.active = false
    width_remain = WIDTH - @target_window.width
    @target_window.x = right ? width_remain : 0
    @target_window.visible = true
    @target_window.active = true
    if right
      @viewport.rect.set(0, 0, width_remain, HEIGHT)
      @viewport.ox = 0
    else
      @viewport.rect.set(@target_window.width, 0, width_remain, HEIGHT)
      @viewport.ox = @target_window.width
    end
  end

  def hide_target_window
    @skill_window.active = true
    @target_window.visible = false
    @target_window.active = false
    @viewport.rect.set(0, 0, WIDTH, HEIGHT)
    @viewport.ox = 0
  end
end

  Graphics.resize_screen(WIDTH, HEIGHT)