Quasi Passive

#==============================================================================
#** Quasi Passive Skills v 1.04
#==============================================================================
# Edited - Fixed a bug after battle turns
# Edited - Added an option to hide passive skills during battle
# Edited - Fixed bug with clear all
# Edited - Forgot to change a value, which allowed non passive skills to gain a
# passive~
# Allows Skills to give you passive traits.
#==============================================================================
# Instructions:
# Very simple to use, just needs 2 notes tags!~
# The State(Passive) is added when the skill is learned,  it is also removed
# when the skill is forgoten.
#-----------------------------------------------------------------------------
module Quasi
  module Passive
    #--------------------------------------------------------------------------
    # Change this value to the Skill Type ID that you wish to hide
    #  Skills with this skill type id, aren't shown in battle.
    #--------------------------------------------------------------------------
    TYPE = 3
  end
end
#------------------------------------------------------------------------------
# * Skill Note Tag
#------------------------------------------------------------------------------
# <passive: state_id>
# Replace state_id with the state you wish to add
#
#------------------------------------------------------------------------------
# * State Note Tag
#------------------------------------------------------------------------------
# <passive>
# Just checks if the state is a passive state, if it is, it doesn't display on
# State icons, and can not be removed.
#
# Alias :
# Game_Actor
#  learn_skill
#  forget_skill
#
# Overwrites:
# Game_Battler
#  remove_states
#
# Game_BattlerBase
#  state_icons
#==============================================================================#
# By Quasi (http://quasixi.wordpress.com/)
#  - 3/23/14
#==============================================================================#
#   ** Stop! Do not edit anything below, unless you know what you      **
#   ** are doing!                                                      **
#==============================================================================#
$imported = {} if $imported.nil?
$imported["Quasi_Passive"] = 1.04
#==============================================================================
# ** Game_Actor
#------------------------------------------------------------------------------
#  This class handles actors. It is used within the Game_Actors class
# ($game_actors) and is also referenced from the Game_Party class ($game_party).
#==============================================================================

class Game_Actor < Game_Battler
  alias qpassive_learn learn_skill
  alias qpassive_forget forget_skill
  #--------------------------------------------------------------------------
  # * Learn Skill
  #--------------------------------------------------------------------------
  def learn_skill(skill_id)
    learn_passive(skill_id)
    qpassive_learn(skill_id)
  end
  #--------------------------------------------------------------------------
  # * Forget Skill
  #--------------------------------------------------------------------------
  def forget_skill(skill_id)
    forget_passive(skill_id)
    qpassive_forget(skill_id)
  end

  def learn_passive(skill_id)
    unless skill_learn?($data_skills[skill_id])
      passive = $data_skills[skill_id].passive
      add_new_state(passive.to_i) if passive
      reset_state_counts(passive.to_i) if passive
    end
  end

  def forget_passive(skill_id)
    passive = $data_skills[skill_id].passive
    remove_passive(passive.to_i) if passive
  end
end

#==============================================================================
# ** Game_Battler
#------------------------------------------------------------------------------
#  A battler class with methods for sprites and actions added. This class
# is used as a super class of the Game_Actor class and Game_Enemy class.
#==============================================================================

class Game_Battler < Game_BattlerBase
  #--------------------------------------------------------------------------
  # * OVERWRITE Remove State
  #--------------------------------------------------------------------------
  def remove_state(state_id)
    if state?(state_id) && !$data_states[state_id].passive?
      revive if state_id == death_state_id
      erase_state(state_id)
      refresh
      @result.removed_states.push(state_id).uniq!
    end
  end
  #--------------------------------------------------------------------------
  # * NEW Remove State
  #--------------------------------------------------------------------------
  def remove_passive(state_id)
    if state?(state_id) && $data_states[state_id].passive?
      revive if state_id == death_state_id
      erase_state(state_id)
      refresh
      @result.removed_states.push(state_id).uniq!
    end
  end
end
#==============================================================================
# ** Game_BattlerBase
#------------------------------------------------------------------------------
#  This base class handles battlers. It mainly contains methods for calculating
# parameters. It is used as a super class of the Game_Battler class.
#==============================================================================

class Game_BattlerBase
  #--------------------------------------------------------------------------
  # * OVERWRITE Get Current States as an Array of Icon Numbers
  #--------------------------------------------------------------------------
  def state_icons
    icons = states.collect { |state| state.passive? ? nil : state.icon_index }
    icons.delete(nil)
    icons.delete(0)
    icons
  end
  #--------------------------------------------------------------------------
  # * OVERWRITE Clear State Information
  #--------------------------------------------------------------------------
  def clear_states
    @states = [] if @states.nil?
    @states.keep_if{|state| $data_states[state].passive?} if !@states.nil?
    @state_turns = {} if @state_turns.nil?
    @state_turns.delete_if{|state| !$data_states[state].passive?} if !@state_turns.nil?
    @state_steps = {} if @state_steps.nil?
    @state_steps.delete_if{|state| !$data_states[state].passive?} if !@state_steps.nil?
  end
end
#==============================================================================
# ** Window_ActorCommand
#------------------------------------------------------------------------------
#  This window is for selecting an actor's action on the battle screen.
#==============================================================================

class Window_ActorCommand < Window_Command
  #--------------------------------------------------------------------------
  # * Add Skill Command to List
  #--------------------------------------------------------------------------
  def add_skill_commands
    @actor.added_skill_types.sort.each do |stype_id|
      next if stype_id == Quasi::Passive::TYPE
      name = $data_system.skill_types[stype_id]
      add_command(name, :skill, true, stype_id)
    end
  end
end
#==============================================================================
# ** RPG::Skill
#==============================================================================
class RPG::Skill
  def passive
    if @passive.nil?
      if @note =~ /<(?:passive):(.*)>/i
        @passive = $1
      else
        @passive = false
      end
    end
    @passive
  end
end
#==============================================================================
# ** RPG::State
#==============================================================================
class RPG::State
  def passive?
    if @passive.nil?
      if @note =~ /<(?:passive)>/
        @passive = true
      else
        @passive = false
      end
    end
    @passive
  end
end