Miscellany

void Aura::HandleAuraModSchoolImmunity(bool apply, bool Real)
{
    m_target->ApplySpellImmune(GetId(),IMMUNITY_SCHOOL,m_modifier.m_miscvalue,apply);

    if(Real && apply)
    {
        if(IsPositiveSpell(GetId()))                        //Only positive immunity removes auras
        {
            uint32 school_mask = m_modifier.m_miscvalue;
            Unit::AuraMap& Auras = m_target->GetAuras();
            for(Unit::AuraMap::iterator iter = Auras.begin(), next; iter != Auras.end(); iter = next)
            {
                next = iter;
                ++next;
                SpellEntry const *spell = iter->second->GetSpellProto();
                if( ( (1 << spell->School) & school_mask)   //Check for school mask
                    && !( spell->Attributes & 0x20000000)   //Spells unaffected by invulnerability
                    && !iter->second->IsPositive()          //Don't remove positive spells
                    && spell->Id != GetId())                //Don't remove self
                {
                    m_target->RemoveAurasDueToSpell(spell->Id);
                    if(Auras.empty())
                        break;
                    else
                        next = Auras.begin();
                }
            }
        }
	    if(m_target->GetTypeId() == TYPEID_PLAYER)
		{
            if(((Player*)m_target)->InBattleGround())
            {
                BattleGround *bg = ((Player*)m_target)->GetBattleGround();
                if(bg)
                {
                    switch(bg->GetTypeID())
                    {
                        case BATTLEGROUND_AV:
                        {
                            break;
                        }
                        case BATTLEGROUND_WS:
                        {
                            if(((BattleGroundWS*)bg)->IsHordeFlagPickedup())
                                // Warsong Flag, horde
                                if(GetSpellProto()->Id == 23333)
                                    // Horde Flag Drop
                                    ((BattleGroundWS*)bg)->EventPlayerDroppedFlag(((Player*)m_target));
                            if(((BattleGroundWS*)bg)->IsAllianceFlagPickedup())
                                // Silverwing Flag, alliance
                                if(GetSpellProto()->Id == 23335)
                                    // Alliance Flag Drop
                                    ((BattleGroundWS*)bg)->EventPlayerDroppedFlag(((Player*)m_target));
                            break;
                        }
                        case BATTLEGROUND_AB:
                        {
                            break;
                        }
                        case BATTLEGROUND_EY:
                        {
                            break;
                        }
                    }
                }
            }
		}
    }
}