VXAce - Minimum/Maximum TP Requirements for Skills

# Minimum/Maximum TP Requirements for Skills v1.0
# by Feldherren (with plenty of help from GubiD)
#
# For VXAce
#
# Ever played Super Robot Wars or Battle of the Youstrass?
# Sometimes, in these games, attack usability depends on the pilot's will, or
# morale, which fluctuates over the course of the battle; if the character's
# in too much of a bad mood, they can't bust out their Super Ultra Finishing
# Move, even if they meet all other costs
# This is an attempt at implementing this for VX Ace, allowing skills to have
# minimum and maximum TP requirements; if TP is lower than or higher than a
# given value specified in the skill notebox, the skill will be unusable.
# This is independent of skill TP cost; it only determines whether a skill is
# available for use.
#
# Usage
# Add <tpmin=[value]> or <tpmax=[value]> to a skill's notebox; this will be the
# minimum or maximum TP value required to use the skill.
#
# Alternatively, you can use the script command [skill].tpmax=[value] to
# change the requirement for the skill in-game.

class Game_BattlerBase
  alias skill_conditions_met_tp_min skill_conditions_met?
  #--------------------------------------------------------------------------
  # * Check TP Conditions for Skill
  #--------------------------------------------------------------------------
  def skill_conditions_met?(skill)
    result = skill_conditions_met_tp_min(skill)
    if result && skill.min_tp_cost?
      result = self.tp >= skill.tpmin
    end
    if result && skill.max_tp_cost?
      result = self.tp <= skill.tpmax
    end
    result
  end
end

class RPG::Skill < RPG::UsableItem
  def min_tp_cost?
    tpmin != nil
  end
  def max_tp_cost?
    tpmax != nil
  end
  def tpmin
    return @tpmin if @tpmin
    if (match = self.note.match( /^<mintp\s*=\s*(\d+)>/i ))
      return match[1].to_i
    end
  end
  def tpmax
    return @tpmax if @tpmax
    if (match = self.note.match( /^<maxtp\s*=\s*(\d+)>/i ))
      return match[1].to_i
    end
  end
  def tpmin=(val)
    @tpmin=val
  end
  def tpmax=(val)
    @tpmax=val
  end
end