Unused variable - Błąd kompilacji

int64_t MagicEffectClass::getDamage( Creature * target, const Creature * attacker /*= NULL*/ ) const
{
    const Monster * monster = dynamic_cast < const Monster * >( attacker );
    Player * attacked = dynamic_cast < Player * >( target );
    Player * attackedPlayer = dynamic_cast < Player * >( attacked );
    const Player * attackerPlayer = dynamic_cast < const Player * >( attacker );
   
    if( attacker && attacker->access >= 2 ) {
        if( offensive ) {
            return 0;
        }
    }
    if( attacked && !monster && attacker )
    {
        Tile * tile = g_game.getTile( attacked->pos );
        House * house = tile ? tile->getHouse()
            : NULL;
        if( house ) {
            if( offensive ) {
                attacker->sendCancel( "You cannot attack on trainers." );
                return 0;
            }
        }
    }
    if(( attackType != ATTACK_NONE ) &&( target->getImmunities() & attackType ) == attackType )
         return 0;
   
    if(( !offensive ||( target != attacker ) ) && target->access < g_config.ACCESS_PROTECT )
    {
        int64_t damage =( int64_t ) random_range( minDamage, maxDamage );
       
        if( !offensive )
        {
            const Monster * targetMonster = dynamic_cast < const Monster * >( target );
           
            if( target != attacker && targetMonster
            #ifdef TR_SUMMONS
            && !targetMonster->isPlayersSummon()
            #endif  //TR_SUMMONS
            )
                 damage = 0;
            else
                 damage = - damage;
           
        }
        else
        {
            if( attacker && attacker->access >= g_config.ACCESS_PROTECT )
                 return damage;
           
            const Monster * monster = dynamic_cast < const Monster * >( attacker );
            if( monster )
            {
                //no reduction of damage if attack came from a monster
                return damage;
            }
           
            const Player * targetPlayer = dynamic_cast < const Player * >( target );
           
            if( targetPlayer ) {
                damage =( int32_t ) floor( damage / 2.0 );
            }
        }
       
        return damage;
    }
    return 0;
}