{RMXP] Item Weight Addon - HUD

#===============================================================================
# * WeightHUD
#===============================================================================

class WeightHUD < Window_Base

  # Set true/false if windowskin should be used or not. If not, text will simply
  # be displayed on the screen.
  WINDOWED = true

  # Set the location of the HUD. [X, Y, WIDTH, HEIGHT]
  # I recommend a small X and Y offset if WINDOWED is set to false to have
  # the text placed properly and not to far off the edge of the screen.
  LOCATION = [0, 0, 144, 64]

  # Set the font used for the HUD. [FONT_NAME, FONT_SIZE]
  # A value of nil for either setting will have it simply use the default font
  FONT = ['Calibri', 20]

  # Script Calls:
  #   hide_weightHUD(true/false) - Sets the hidden state of the weight HUD

  #-----------------------------------------------------------------------------
  # * initialize
  #     Creates a new instance of the HUD
  #-----------------------------------------------------------------------------
  def initialize
    super(*LOCATION)
    self.windowskin = nil unless WINDOWED
    self.contents = Bitmap.new(width - 32, height - 32)
    self.contents.font.name = FONT[0] == nil ? Font.default_name : FONT[0]
    self.contents.font.size = FONT[1] == nil ? Font.default_size : FONT[1]
    refresh
  end
  #-----------------------------------------------------------------------------
  # * refresh
  #   Clears and redraws the HUD
  #-----------------------------------------------------------------------------
  def refresh
    self.contents.clear
    self.contents.font.color = system_color
    self.contents.draw_text(0, 0, 32, 32, 'WT')
    weight, capacity = $game_party.total_weight, $game_party.weight_capacity
    color = weight > capacity ? crisis_color : normal_color
    self.contents.font.color = color
    self.contents.draw_text(32, 0, 42, 32, weight.to_s, 2)
    self.contents.font.color = normal_color
    self.contents.draw_text(74, 0, 8, 32, '/', 1)
    self.contents.draw_text(82, 0, 42, 32, capacity.to_s)
  end
end

#===============================================================================
# * Game_Party
#===============================================================================

class Game_Party
  #-----------------------------------------------------------------------------
  # * refresh_weight
  #     Tells Scene_Map that the HUD needs refresh when the values change
  #-----------------------------------------------------------------------------
  alias weight_hud_refresh_weight refresh_weight
  def refresh_weight
    weight_hud_refresh_weight
    if $scene.is_a?(Scene_Map)
      $scene.refresh_weightHUD
    end
  end
end

#===============================================================================
# * Scene_Map
#===============================================================================

class Scene_Map
  #-----------------------------------------------------------------------------
  # * main
  #     Creates the HUD and disposes it when the scene ends
  #-----------------------------------------------------------------------------
  alias item_weight_main main
  def main
    @weight_hud = WeightHUD.new
    item_weight_main
    @weight_hud.dispose
  end
  #-----------------------------------------------------------------------------
  # * hide_weightHUD
  #     Hides/Shows the weight HUD if it is present and not disposed
  #-----------------------------------------------------------------------------
  def hide_weightHUD(bool)
    if @weight_hud != nil && !@weight_hud.disposed?
      @weight_hud.visible = bool
    end
  end
  #-----------------------------------------------------------------------------
  # * refresh_weightHUD
  #     Refreshes the weight HUD if it is present and not disposed
  #-----------------------------------------------------------------------------
  def refresh_weightHUD
    if @weight_hud != nil && !@weight_hud.disposed?
      @weight_hud.refresh
    end
  end
end

#===============================================================================
# * Interpreter
#===============================================================================

class Interpreter
  #-----------------------------------------------------------------------------
  # * hide_weightHUD
  #     Hides/Shows the weight HUD if it is present and not disposed
  #-----------------------------------------------------------------------------
  def hide_weightHUD(value = true)
    if $scene.is_a?(Scene_Map)
      $scene.hide_weightHUD(value)
    end
  end
end