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#_/ ◆ Reverse Damage State - KGC_ReverseDamage ◆ VX ◆
#_/ ◇  Last update: 04/11/2009
#_/ ◆ Written by TOMY     
#_/ ◆ Translation by Mr. Anonymous                  
#_/ ◆ KGC Site:                                                   
#_/ ◆  http://ytomy.sakura.ne.jp/                                   
#_/ ◆ Translator's Blog:                                             
#_/ ◆  http://mraprojects.wordpress.com        
#_/----------------------------------------------------------------------------
#_/  This script allows you to create states that can reverse the effects of 
#_/ damage to recovery.
#_/============================================================================
#_/                         ◆ Instructions For Usage ◆
#_/  To make use of this function, you must insert the tag into the "Note" box
#_/ located in the states section of the database. For example, you want to 
#_/ create a state called "Reversal". You would then insert <REVERSE_DAMAGE> or
#_/ <reverse> in that state's "Note" box.
#_/============================================================================
#_/ Install: Insert above main.
#_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

$imported = {} if $imported == nil
$imported["ReverseDamage"] = true

module KGC
  module ReverseDamage
    # Regular expressions module
    module Regexp
      # State module
      module State
        # Reverse damage tag string
        REVERSE_DAMAGE = /<(?:REVERSE_DAMAGE|reverse)>/i
      end
    end
  end
end

#--------------------------------------------------------------------------

#==============================================================================
# ■ RPG::State
#==============================================================================

class RPG::State
  #--------------------------------------------------------------------------
  # ○ Generate reverse damage cache
  #--------------------------------------------------------------------------
  def create_reverse_damage_cache
    @__reverse_damage = false

    self.note.each_line { |line|
      case line
      when KGC::ReverseDamage::Regexp::State::REVERSE_DAMAGE  # リバースダメージ
        @__reverse_damage = true
      end
    }
  end
  #--------------------------------------------------------------------------
  # ○ Determine if state reverses damage
  #--------------------------------------------------------------------------
  def reverse_damage?
    create_reverse_damage_cache if @__reverse_damage == nil
    return @__reverse_damage
  end
end

#--------------------------------------------------------------------------

#==============================================================================
# ■ Game_Battler
#==============================================================================

class Game_Battler
  #--------------------------------------------------------------------------
  # ○ Determine if battler's state reverses damage
  #--------------------------------------------------------------------------
  def reverse_damage?
    self.states.each { |state|
      return true if state.reverse_damage?
    }
    return false
  end
  #--------------------------------------------------------------------------
  # ● Execute Damage (Reverse)
  #     user : The user of the damaging command
  #    Call @hp_damage, @mp_damage, and @absorbed before setting.
  #--------------------------------------------------------------------------
  alias execute_damage_KGC_ReverseDamage execute_damage
  def execute_damage(user)
    if reverse_damage?
      @hp_damage = -@hp_damage
      @mp_damage = -@mp_damage
    end
    # Run original process
    execute_damage_KGC_ReverseDamage(user)
  end
end