AMA - Skill HP Sacrifice

# =============================================================================
# Alumnea Magic Academy (AMA) script
# TheoAllen - Skill HP Sacrifice
# Version : 1.0
# Contact : www.rpgmakerid.com
# (This script documentation is written in informal indonesian language)
# =============================================================================
$imported = {} if $imported.nil?
$imported[:Theo_HPSacrifice] = true
# =============================================================================
# CHANGE LOGS :
# -----------------------------------------------------------------------------
# 2013.05.05 - Started and finished script
# =============================================================================
=begin

  PENGENALAN :
  Script ini ngebikin skill yang membutuhkan MP, jika battler MPnya habis maka
  sebagai gantinya akan ngorbanin HP buat bayarnya.

  CARA PAKAI :
  tulis dalam note di database Actor, Enemy, Skill, Item, State :
  <sacrifice rate: x%>

  UNTUK SKILL / ITEM :
  Sacrifice rate adalah persenan dari harga MP. misalnya harga MP adalah 100,
  kalo misal u tulis 200%, maka tar harganya buat ngorbanin HP adalah 200.

  UNTUK ACTOR / ENEMY / STATE :
  Sacrifice rate adalah persenan dari harga sacrifice skill. Misalnya harga
  sacrifice sebuah skill adalah 200, kalau sacrifice rate seorag actor adalah
  50%, maka harganya tar jadi 100.

  TERMS OF USE :
  Credit gw, TheoAllen. Kalo semisal u bisa ngedit2 script gw trus jadi lebih
  keren, terserah. Ane bebasin. Asal ngga ngeklaim aja. Kalo semisal mau
  dipake buat komersil, jangan lupa, gw dibagi gratisannya.

=end
# =============================================================================
# Konfigurasi :
# =============================================================================
module THEO
  module SKILL

    # -------------------------------------------------------------------------
    SACRIFICE_HP  = true
    # -------------------------------------------------------------------------
    # Kalau diset true, maka semua skill punya sacrifice rate. Kalo false, maka
    # kamu tar editnya manual nulisin satu2 notetagnya
    # -------------------------------------------------------------------------

    # -------------------------------------------------------------------------
    DEFAULT_RATE  = 1.0
    # -------------------------------------------------------------------------
    # Default rate kalo sacrifice hp lu set true.
    # -------------------------------------------------------------------------

    # -------------------------------------------------------------------------
    ENEMY         = false
    # -------------------------------------------------------------------------
    # Kalo false, enemy ga bakal sacrifice HP.
    # -------------------------------------------------------------------------

  end
end
# =============================================================================
# Batas akhir konfigurasi. Jangan diedit kalo ga ngerti :v
# =============================================================================
module THEO
  module SKILL
    module REGEXP
      RATE = /<(?:SACRIFICE RATE|sacrifice_rate):[ ]*(\d+)([%％])>/i
    end
  end
end

module DataManager

  class << self
    alias sacrifice_load_database load_database
  end

  def self.load_database
    sacrifice_load_database
    load_sacrifice_rate
  end

  def self.load_sacrifice_rate
    groups = [$data_actors, $data_skills, $data_items, $data_states, $data_enemies]
    for database in groups
      for obj in database
        next if obj.nil?
        obj.load_sacrifice
      end
    end
  end

end


class RPG::UsableItem < RPG::BaseItem
  attr_accessor :sacrifice_rate

  def load_sacrifice
    @sacrifice_rate = THEO::SKILL::SACRIFICE_HP ? THEO::SKILL::DEFAULT_RATE : 0.0
    self.note.split(/[\r\n]+/).each do |line|
      case line
      when THEO::SKILL::REGEXP::RATE
        self.sacrifice_rate = ($1.to_f/100.0)
      end
    end
  end

end

class RPG::Actor < RPG::BaseItem
  attr_accessor :sacrifice_rate

  def load_sacrifice
    @sacrifice_rate = 1.0
    self.note.split(/[\r\n]+/).each do |line|
      case line
      when THEO::SKILL::REGEXP::RATE
        @sacrifice_rate = ($1.to_f/100.0)
      end
    end
  end

end

class RPG::Enemy < RPG::BaseItem
  attr_accessor :sacrifice_rate

  def load_sacrifice
    @sacrifice_rate = 1.0
    self.note.split(/[\r\n]+/).each do |line|
      case line
      when THEO::SKILL::REGEXP::RATE
        @sacrifice_rate = ($1.to_f/100.0)
      end
    end
  end

end

class RPG::State < RPG::BaseItem
  attr_accessor :sacrifice_rate

  def load_sacrifice
    @sacrifice_rate = 0.0
    self.note.split(/[\r\n]+/).each do |line|
      case line
      when THEO::SKILL::REGEXP::RATE
        @sacrifice_rate = ($1.to_f/100.0)
      end
    end
  end

end

class Game_BattlerBase

  def scr
    return 1
  end

  def skill_mp_cost(skill)
    (skill.mp_cost * mcr).to_i
  end

  alias original_cost_payable? skill_cost_payable?
  def skill_cost_payable?(skill)
    if skill.sacrifice_rate > 0 && THEO::SKILL::ENEMY ? true : self.is_a?(Game_Actor)
      return tp >= skill_tp_cost(skill) && hp > 1
    else
      return original_cost_payable?(skill)
    end
  end

  def skill_sacrifice_cost(remainder, skill)
    ((remainder * skill.sacrifice_rate) * scr).to_i
  end

  alias original_pay_skill_cost pay_skill_cost
  def pay_skill_cost(skill)
    if skill.sacrifice_rate > 0 && THEO::SKILL::ENEMY ? true : self.is_a?(Game_Actor)
      pay_sacrifice_cost(skill)
    else
      original_pay_skill_cost(skill)
    end
  end

  def pay_sacrifice_cost(skill)
    mp_cost = skill_mp_cost(skill)
    remainder = [mp_cost - mp,0].max
    self.mp = [mp - mp_cost,0].max
    self.hp = [hp - skill_sacrifice_cost(remainder,skill),1].max
    self.tp -= skill_tp_cost(skill)
  end

end

class Game_Battler < Game_BattlerBase

  def scr
    result = 0.0
    result = @states.inject(0) {|result,id| result += $data_states[id].sacrifice_rate}
    result
  end

end

class Game_Actor < Game_Battler

  def scr
    result = super
    result += $data_actors[id].sacrifice_rate
    result
  end

end


class Game_Enemy < Game_Battler

  def scr
    result = super
    result += $data_enemies[enemy_id].sacrifice_rate
    result
  end

end