[SOLVED] Spell DMG reduce

[Intouch]

Hey EMUDEVS!

Am trying to reduce dmg of some spells or to reduce spell dmg of one class

So I was searching but i didn't find anything useful, this is only what i find... maybe to add some checks here ?
(Ex. I want to reduce spell dmg of all priest spells for 30%)

Or if it's not possible to do like that, then is it possible to nerf spell dmg with some another way (1 per 1 spell)

[SIZE=1]float Unit::GetCombatRatingReduction(CombatRating cr) const
{
    if (Player const* player = ToPlayer())
        return player->GetRatingBonusValue(cr);
    // Player's pet get resilience from owner
    else if (isPet() && GetOwner())
        if (Player* owner = GetOwner()->ToPlayer())
            return owner->GetRatingBonusValue(cr);

    return 0.0f;
}

uint32 Unit::GetCombatRatingDamageReduction(CombatRating cr, float cap, uint32 damage) const
{
    float percent = std::min(GetCombatRatingReduction(cr), cap);

    if ((cr == CR_RESILIENCE_PLAYER_DAMAGE_TAKEN || cr == CR_RESILIENCE_CRIT_TAKEN) && ToPlayer())
        percent -= ToPlayer()->GetFloatValue(PLAYER_FIELD_MOD_RESILIENCE_PCT);
    else if ((cr == CR_RESILIENCE_PLAYER_DAMAGE_TAKEN || cr == CR_RESILIENCE_CRIT_TAKEN) && GetOwner() && GetOwner()->ToPlayer())
        percent -= GetOwner()->ToPlayer()->GetFloatValue(PLAYER_FIELD_MOD_RESILIENCE_PCT);

    return CalculatePct(damage, percent);
}[/SIZE]

 

[Neth]

that's not where you should make such edits, but is it indeed in unit.cpp

 

[Intouch]

So where I should to do that ?
Can anyone help me ?

Update: Am not using latest TC (older version)