Добавлю с симкрафта тогда.
Код:
// trigger_brain_freeze ===========================================================

static void trigger_brain_freeze( spell_t* s )
{
  if ( s -> school != SCHOOL_FROST &&
       s -> school != SCHOOL_FROSTFIRE ) return;

  // Game hotfixed so that Frostfire Bolt cannot proc Brain Freeze.
  if ( s -> name_str == "frostfire_bolt" ) return;

  mage_t* p = s -> player -> cast_mage();

  p -> buffs_brain_freeze -> trigger();
}