script.rb

################################################################################
##### Max Item
##########################################################
# Author : Biward 
# Date : 27/04/2014
# Version : 1.0 VX
#
# With this script, you can modify the maximum amount you can have of an object (items, weapons, armors)
# 
# How it works :
# You just have to put <Max = N> in the object's note
# N = maximum amount
#
##########################################################
##### Script
##################################
##################################
# ** RPG::BaseItem
##################
module RPG
  class BaseItem
    attr_reader :max
    def init_max
      note =~ /<Max = (.*)>/
      @max = 99
      @max = $1.to_i if $1
    end
  end
end
##################################
# ** Scene Title
############
class Scene_Title
  alias biload load_database
  def load_database
    biload
    load_max
  end
  alias biload_bt load_bt_database
  def load_bt_database
    biload_bt
    load_max
  end
  def load_max
    $data_items.each { |obj| obj.init_max if obj }
    $data_weapons.each { |obj| obj.init_max if obj }
    $data_armors.each { |obj| obj.init_max if obj }
  end
end
##################################
# ** Scene Shop
#############
class Scene_Shop
  #--------------------------------------------------------------------------
  # * Update Buy Item Selection
  # >> Overwrite 
  #--------------------------------------------------------------------------
  def update_buy_selection
    @status_window.item = @buy_window.item
    if Input.trigger?(Input::B)
      Sound.play_cancel
      @command_window.active = true
      @dummy_window.visible = true
      @buy_window.active = false
      @buy_window.visible = false
      @status_window.visible = false
      @status_window.item = nil
      @help_window.set_text("")
      return
    end
    if Input.trigger?(Input::C)
      @item = @buy_window.item
      number = $game_party.item_number(@item)
      if @item == nil or @item.price > $game_party.gold or number == @item.max
        Sound.play_buzzer
      else
        Sound.play_decision
        max = @item.price == 0 ? @item.max : $game_party.gold / @item.price
        max = [max, @item.max - number].min
        @buy_window.active = false
        @buy_window.visible = false
        @number_window.set(@item, max, @item.price)
        @number_window.active = true
        @number_window.visible = true
      end
    end
  end
end
##################################
# ** Game Party
#############
class Game_Party
  #--------------------------------------------------------------------------
  # * Gain Items (or lose)
  #     item          : Item
  #     n             : Number
  #     include_equip : Include equipped items
  # >> Overwrite 
  #--------------------------------------------------------------------------
  def gain_item(item, n, include_equip = false)
    number = item_number(item)
    case item
    when RPG::Item
      @items[item.id] = [[number + n, 0].max, item.max].min
    when RPG::Weapon
      @weapons[item.id] = [[number + n, 0].max, item.max].min
    when RPG::Armor
      @armors[item.id] = [[number + n, 0].max, item.max].min
    end
    n += number
    if include_equip and n < 0
      for actor in members
        while n < 0 and actor.equips.include?(item)
          actor.discard_equip(item)
          n += 1
        end
      end
    end
  end
end
##################################
##### End of the Script
##########################################################