is called when an inactive modifier gets activated during gameplay, is NOT called on activation upon player server connection(see OnReconnect)
См. определение в файле HeavyMetal.c строка 200
201 {
202 super.OnActivate(player);
203
204 player.GetSymptomManager().QueueUpSecondarySymptom(SymptomIDs.SYMPTOM_DEAFNESS_COMPLETE);
205 player.GetSymptomManager().QueueUpSecondarySymptom(SymptomIDs.SYMPTOM_HMP_SEVERE);
206 }