@Override public boolean onStart() { L2Character target = getEffected(); if (target == null || target.isDead() || target instanceof L2DoorInstance) return false; StatusUpdate su = new StatusUpdate(target); double amount = 0; double power = calc(); boolean full = (power == 100.0); if (full) amount = target.getMaxCp(); else amount = target.getMaxCp() * power / 100.0; amount = Math.min(amount, target.getMaxRecoverableCp() - target.getCurrentCp()); // Prevent negative amounts if (amount < 0) amount = 0; // To prevent -value heals, set the value only if current Cp is less than max recoverable. if (target.getCurrentCp() < target.getMaxRecoverableCp()) target.setCurrentCp(amount + target.getCurrentCp()); SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.S1_CP_WILL_BE_RESTORED); sm.addNumber((int) amount); target.sendPacket(sm); su.addAttribute(StatusUpdate.CUR_CP, (int) target.getCurrentCp()); target.sendPacket(su); return true; }