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#_/ ◆ Additional Help Window Functions - KGC_HelpExtension ◆ VX ◆
#_/ ◇  Last Update: 2007/12/19 
#_/ ◆ Written by TOMY     
#_/ ◆ Translation by Mr. Anonymous                  
#_/ ◆ KGC Site:                                                   
#_/ ◆  http://ytomy.sakura.ne.jp/                                   
#_/ ◆ Translator's Blog:                                             
#_/ ◆  http://mraprojects.wordpress.com     
#_/----------------------------------------------------------------------------
#_/  Installation: Requires and is inserted above KGC_DrawFormatText.
#_/============================================================================
#_/  Additional Help Window functions. 
#_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

#=============================================================================#
#                            ★ BEGIN Customization ★                          #
#=============================================================================#

module KGC
 module HelpExtension
  # The number of rows (lines) the help window can display.
  #  Rows are divided with the | character in the item/skill's description.
  ROW_MAX = 3

  # Button used when status window of shop screen scrolls.
  SHOP_STATUS_SCROLL_BUTTON = Input::A
 end
end

#=============================================================================#
#                              ★ END Customization ★                          #
#=============================================================================#
#--------------------------------------------------------------------------

$imported = {} if $imported == nil
$imported["HelpExtension"] = true

#==============================================================================
# ■ Window_Help
#==============================================================================

class Window_Help < Window_Base
  attr_reader :row_max
  #--------------------------------------------------------------------------
  # ● Object initialization
  #--------------------------------------------------------------------------
  alias initialize_KGC_HelpExtension initialize
  def initialize
    @row_max = 1

    initialize_KGC_HelpExtension
  end
  #--------------------------------------------------------------------------
  # ● The number of lines setting
  #--------------------------------------------------------------------------
  def row_max=(value)
    @row_max = [value, 1].max
    self.height = WLH * @row_max + 32
    create_contents

    # Content restoration
    text = @text
    align = @align
    @text = @align = nil
    set_text(text, align)
  end
  #--------------------------------------------------------------------------
  # ● Text setting
  #   Text: Character string displayed in window
  #    Align: Alignment(0. left justification, 1 center just., 2 right just.)
  #--------------------------------------------------------------------------
  def set_text(text, align = 0)
    if text != @text or align != @align
      self.contents.clear
      self.contents.font.color = normal_color
      font_buf = self.contents.font.clone
      # \N[x] Converts to an integer.
      buf = text.gsub(/\\N(\[\d+\])/i) { "\\__#{$1}" }
      lines = buf.split(/(?:[|]|\\n)/i)
      lines.each_with_index { |l, i|
        # Convert \N[x] returns and draws. 
        l.gsub!(/\\__(\[\d+\])/i) { "\\N#{$1}" }
        self.contents.draw_format_text(4, i * WLH, self.width - 40, WLH, l, align)
      }
      self.contents.font = font_buf
      @text = text
      @align = align
    end
  end
end

#==================================End Class===================================#

#==============================================================================
# ■ Scene_Item
#==============================================================================
class Scene_Item < Scene_Base
  #--------------------------------------------------------------------------
  # ● Beginning processing
  #--------------------------------------------------------------------------
  alias start_KGC_HelpExtension start
  def start
    start_KGC_HelpExtension

    adjust_window_size
  end
  #--------------------------------------------------------------------------
  # ● Adjustment of window size
  #--------------------------------------------------------------------------
  def adjust_window_size
    @help_window.row_max = KGC::HelpExtension::ROW_MAX
    @item_window.y = @help_window.height
    @item_window.height = Graphics.height - @help_window.height
    @item_window.refresh
  end
end

#==================================End Class===================================#

#==============================================================================
# ■ Scene_Skill
#==============================================================================

class Scene_Skill < Scene_Base
  #--------------------------------------------------------------------------
  # ● Beginning processing
  #--------------------------------------------------------------------------
  alias start_KGC_HelpExtension start
  def start
    start_KGC_HelpExtension

    adjust_window_size
  end
  #--------------------------------------------------------------------------
  # ● Adjustment of window size
  #--------------------------------------------------------------------------
  def adjust_window_size
    @help_window.row_max = KGC::HelpExtension::ROW_MAX
    @status_window.y = @help_window.height
    dy = @help_window.height + @status_window.height
    @skill_window.y = dy
    @skill_window.height = Graphics.height - dy
    @skill_window.refresh
  end
end

#==================================End Class===================================#

#==============================================================================
# ■ Scene_Equip
#==============================================================================

class Scene_Equip < Scene_Base
  #--------------------------------------------------------------------------
  # ● Beginning processing
  #--------------------------------------------------------------------------
  alias start_KGC_HelpExtension start
  def start
    start_KGC_HelpExtension

    adjust_window_size
  end
  #--------------------------------------------------------------------------
  # ● Adjustment of window size
  #--------------------------------------------------------------------------
  def adjust_window_size
    @help_window.row_max = KGC::HelpExtension::ROW_MAX
    @equip_window.y = @help_window.height
    @status_window.y = @help_window.height
    resize_item_windows
  end
  #--------------------------------------------------------------------------
  # ● Size change of item window
  #--------------------------------------------------------------------------
  def resize_item_windows
    @item_windows.each { |w|
      dy = @help_window.height + @equip_window.height
      w.y = dy
      w.height = Graphics.height - dy
      w.refresh
    }
  end
end

#==================================End Class===================================#

#==============================================================================
# ■ Scene_Shop
#==============================================================================

class Scene_Shop < Scene_Base
  #--------------------------------------------------------------------------
  # ● Beginning processing
  #--------------------------------------------------------------------------
  alias start_KGC_HelpExtension start
  def start
    start_KGC_HelpExtension

    adjust_window_size
  end
  #--------------------------------------------------------------------------
  # ● Adjustment of window size
  #--------------------------------------------------------------------------
  def adjust_window_size
    @help_window.row_max = KGC::HelpExtension::ROW_MAX
    @command_window.y = @help_window.height
    @gold_window.y = @help_window.height
    dy = @help_window.height + @command_window.height
    @dummy_window.y = @buy_window.y = @sell_window.y =
      @number_window.y = @status_window.y = dy
    @dummy_window.height = @buy_window.height =
      @sell_window.height = @number_window.height =
      @status_window.height = Graphics.height - dy
    @dummy_window.create_contents
    @number_window.create_contents
  end
  #--------------------------------------------------------------------------
  # ● Frame Update
  #--------------------------------------------------------------------------
  alias update_KGC_HelpExtension update
  def update
    if !@command_window.active &&
        Input.press?(KGC::HelpExtension::SHOP_STATUS_SCROLL_BUTTON)
      super
      update_menu_background
      update_scroll_status
      return
    else
      @status_window.cursor_rect.empty
    end

    update_KGC_HelpExtension
  end
  #--------------------------------------------------------------------------
  # ● Processing status window scroll
  #--------------------------------------------------------------------------
  def update_scroll_status
    @status_window.cursor_rect.width = @status_window.contents.width
    @status_window.cursor_rect.height = @status_window.height - 32
    @status_window.update
    if Input.press?(Input::UP)
      @status_window.oy = [@status_window.oy - 4, 0].max
    elsif Input.press?(Input::DOWN)
      max_pos = [@status_window.contents.height -
        (@status_window.height - 32), 0].max
      @status_window.oy = [@status_window.oy + 4, max_pos].min
    end
  end
end

#==================================End Class===================================#

#==============================================================================
# ■ Scene_Battle
#==============================================================================

class Scene_Battle < Scene_Base
  #--------------------------------------------------------------------------
  # ● Beginning of skill selection
  #--------------------------------------------------------------------------
  alias start_skill_selection_KGC_HelpExtension start_skill_selection
  def start_skill_selection
    start_skill_selection_KGC_HelpExtension

    adjust_skill_window_size
  end
  #--------------------------------------------------------------------------
  # ● Size adjustment of skill window
  #--------------------------------------------------------------------------
  def adjust_skill_window_size
    @help_window.row_max = KGC::HelpExtension::ROW_MAX
    @skill_window.y = @help_window.height
    @skill_window.height = Graphics.height -
      (@help_window.height + @status_window.height)
    @skill_window.refresh
  end
  #--------------------------------------------------------------------------
  # ● Beginning of item selection
  #--------------------------------------------------------------------------
  alias start_item_selection_KGC_HelpExtension start_item_selection
  def start_item_selection
    start_item_selection_KGC_HelpExtension

    adjust_item_window_size
  end
  #--------------------------------------------------------------------------
  # ● Size adjustment of item window
  #--------------------------------------------------------------------------
  def adjust_item_window_size
    @help_window.row_max = KGC::HelpExtension::ROW_MAX
    @item_window.y = @help_window.height
    @item_window.height = Graphics.height -
      (@help_window.height + @status_window.height)
    @item_window.refresh
  end
end

#==================================End Class===================================#