Same Time Percentage Stack Snipper

# ------------------------------------------------------------------------------
# Same Time Percentage Stack Snippet
# Dependencies: Upg Equips
# ------------------------------------------------------------------------------
# Usage:
# Causes percentages to stack even when all upgrades are used at the same time
# Updates
# 20 Mar 2013 - Initial release
# ------------------------------------------------------------------------------

class Scene_UpgradableItem < Scene_ItemBase
  def modify_stats(failed = false)
    percents = {} # maps stat ids to an array of percentages
    raws = {} # maps stat ids to an array of values

    # Goes through all the items and condenses all the upgrades into above
    # two hashes
    @upgraders.each{  |item|
      update_item_upgrades(item) #add each 1 to curr upgs list
      stats = item.upgrade_mods.stat_mods
      stats.keys.each{ |key|
        if stats[key]
          percents[key] = [] if !percents[key]
          raws[key] = [] if !raws[key]

          percents[key].push(stats[key][:percent]) unless !stats[key][:percent]
          raws[key].push(stats[key][:raw]) unless !stats[key][:raw]
        end # End - if stats[key]
      }
    } # End - @upgraders.each

    (0...EquipUpgrades::Max::StatId).each{|id|
      if percents[id] # Modify stats by multiplying percentages
        percents[id].sort!.each do |val|
          curr_val = @upg_equip.params[id]
          mod = upgrade_failed?(failed, curr_val * val) # handle failure case
          @upg_equip.params[id] += mod # + orig_val
        end
      end # End - if percents[id]

      if raws[id] # Modify stats by adding raw values
        raws[id].each { |val|
          val = upgrade_failed?(failed, val)
          @upg_equip.params[id]+= val # handle failure case
        }
      end # End - if raws[id]
    }  # End - (0...EquipUpgrades::Max::StatId).each
  end # End - modify_stats
end # End - Scene_UpgradableItem