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

class Game_Map
  def calc_parallax_x(bitmap)
    if bitmap == nil
      return 0
    elsif @parallax_loop_x
      return @parallax_x / 16
    elsif loop_horizontal?
      return 0
    else
      w1 = bitmap.width - WIDTH
      w2 = @map.width * 32 - WIDTH
      if w1 <= 0 or w2 <= 0
        return 0
      else
        return @parallax_x * w1 / w2 / 8
      end
    end
  end
end

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 Game_Player < Game_Character
  CENTER_X = (WIDTH / 2 - 16) * 8     # 画面中央の X 座標 * 8
  CENTER_Y = (HEIGHT / 2 - 16) * 8
end

class Sprite_Timer < Sprite
  def initialize(viewport)
    super(viewport)
    self.bitmap = Bitmap.new(88, 48)
    self.bitmap.font.name = "Arial"
    self.bitmap.font.size = 32
    self.x = WIDTH - self.bitmap.width
    self.y = 0
    self.z = 200
    update
  end
end

class Sprite_Base < Sprite
  def start_animation(animation, mirror = false)
    dispose_animation
    @animation = animation
    return if @animation == nil
    @animation_mirror = mirror
    @animation_duration = @animation.frame_max * 4 + 1
    load_animation_bitmap
    @animation_sprites = []
    if @animation.position != 3 or not @@animations.include?(animation)
      if @use_sprite
        for i in 0..15
          sprite = ::Sprite.new(viewport)
          sprite.visible = false
          @animation_sprites.push(sprite)
        end
        unless @@animations.include?(animation)
          @@animations.push(animation)
        end
      end
    end
    if @animation.position == 3
      if viewport == nil
        @animation_ox = WIDTH / 2
        @animation_oy = HEIGHT / 2
      else
        @animation_ox = viewport.rect.width / 2
        @animation_oy = viewport.rect.height / 2
      end
    else
      @animation_ox = x - ox + width / 2
      @animation_oy = y - oy + height / 2
      if @animation.position == 0
        @animation_oy -= height / 2
      elsif @animation.position == 2
        @animation_oy += height / 2
      end
    end
  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