=begin
#==============================================================================
 ** Feature: TP Cost Rate
 Author: Hime
 Date: Oct 13, 2012
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 ** Change log
 Oct 13, 2012
   - initial release
------------------------------------------------------------------------------   
 ** Terms of Use
 * Free to use in non-commercial projects
 * Contact me for commercial use
 * No real support. The script is provided as-is
 * Will do bug fixes, but no compatibility patches
 * Features may be requested but no guarantees, especially if it is non-trivial
 * Preserve this header
------------------------------------------------------------------------------
 ** Required
 -Feature Manager
 (http://xtsukihime.com/2012/10/13/feature-manager/)
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 Modifies TP Cost for all skills.
 Analogous to mcr, which is the MP cost rate.
 
 Tag objects with 
    <ft: tpcr x>
    
 For some float x.
 The cost of a skill is equal to `skill.tp_cost * tpcr`
#==============================================================================
=end
$imported = {} if $imported.nil?
$imported["Feature_TPCostRate"] = true
#==============================================================================
# ** Rest of the script
#==============================================================================
module Features
  module TP_Cost_Rate
    FeatureManager.register(:tpcr)
  end
end

class RPG::BaseItem
  
  def add_feature_tpcr(code, data_id, args)
    data_id = 0
    value = args[0].to_f
    add_feature(code, data_id, value)
  end
end

class Game_BattlerBase
  
  def tpcr
    features_pi(:tpcr, 0)
  end
  
  alias :ft_tpcr_tp_cost :skill_tp_cost
  def skill_tp_cost(skill)
    (ft_tpcr_tp_cost(skill) * tpcr).to_i
  end
end