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# DRG - Picture Index Modifier
# Version: 1.00
# Author : LiTTleDRAgo
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#
#  How to use :
#
#  @>Script: $game_temp.index_picture = 182 # (any integer above 0)
#  @>Show_Picture: .......... # Command show picture, 
#                               picture index will be overwritten by 
#                               $game_temp.index_picture value)
#
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($imported ||= {})[:drg_picture_index_modifier] = 1.00
defined?(Window_ActorCommand) && raise("This script only for RMXP")
#==============================================================================
# ** Game_Pictures
#------------------------------------------------------------------------------
#  This is a wrapper for a picture array. This class is used within the
# Game_Screen class. Map screen pictures and battle screen pictures are
# handled separately.
#==============================================================================

class Game_Pictures
  #--------------------------------------------------------------------------
  # * Get Data
  #--------------------------------------------------------------------------
  def [](num)(@data||=[])[num] ||= Game_Picture.new(num)                  end
  def size() (@data||=[]).compact.size                                    end
  def each() (@data||=[]).compact.each {|pic| yield pic } if block_given? end
end 

#==============================================================================
# ** Game_Screen
#------------------------------------------------------------------------------
#  This class handles screen maintenance data, such as changes in color tone,
# flashes, etc. It's used within the Game_Map and Game_Troop classes.
#==============================================================================

class Game_Screen
  #--------------------------------------------------------------------------
  # * Pictures
  #--------------------------------------------------------------------------
  def pictures
    @pictures.is_a?(Game_Pictures) || @pictures = Game_Pictures.new 
    $scene.is_a?(Scene_Battle) ? (@battle_pictures ||= Game_Pictures.new) :
                                 (@pictures        ||= Game_Pictures.new) 
  end
end

#==============================================================================
# ** Spriteset_Map
#------------------------------------------------------------------------------
#  This class brings together map screen sprites, tilemaps, etc.
#  It's used within the Scene_Map class.
#==============================================================================
['Spriteset_Map','Spriteset_Battle'].each_with_index do |klass,index| eval "
  class #{klass}
    #--------------------------------------------------------------------------
    # * Alias Listing
    #--------------------------------------------------------------------------
    alias_method :update_inf_picture, :update
    #--------------------------------------------------------------------------
    # * Object Initialization
    #--------------------------------------------------------------------------
    def update(*args)
      adjust_picture_sprites(#{index})
      update_inf_picture(*args)
    end
    #--------------------------------------------------------------------------
    # * adjust_picture_sprites
    #--------------------------------------------------------------------------
    def adjust_picture_sprites(type = 0)
      size = @picture_sprites.size 
      number = $game_screen.pictures.size
      if number != size
        @picture_sprites.each {|s| s.dispose }
        @picture_sprites.clear
        $game_screen.pictures.each do |num|
          @picture_sprites.push(Sprite_Picture.new(type == 0 ? @viewport2 : 
          @viewport3,$game_screen.pictures[num.number]))
        end
      end
    end
  end#"
end
  
#==============================================================================
# ** Game_Temp
#------------------------------------------------------------------------------
#  This class handles temporary data that is not included with save data.
#  Refer to "$game_temp" for the instance of this class.
#==============================================================================

class Game_Temp
  #--------------------------------------------------------------------------
  # * Public Instance Variable
  #--------------------------------------------------------------------------
  attr_writer(:index_picture)
  define_method(:index_picture) { @index_picture ||= 0 }
end

#==============================================================================
# ** Interpreter 
#------------------------------------------------------------------------------
#  This interpreter runs event commands. This class is used within the
#  Game_System class and the Game_Event class.
#==============================================================================
  
class Interpreter
  #--------------------------------------------------------------------------
  # * Show Picture
  #--------------------------------------------------------------------------
  (231..235).each do |meth|
    alias_method(:"command_#{meth}_inf_pic", :"command_#{meth}")
    define_method(:"command_#{meth}") do
      (index = $game_temp.index_picture).is_a?(Integer) && 
      index > 0 && @parameters[0] = index
      send(:"command_#{meth}_inf_pic")
      return true
    end
  end
end