bool CTFWeaponBaseMelee::DoSwingTrace( trace_t &trace )
{
    // Setup a volume for the melee weapon to be swung - approx size, so all melee behave the same.
    static Vector vecSwingMins( -18, -18, -18 );
    static Vector vecSwingMaxs( 18, 18, 18 );

    // Get the current player.
    CTFPlayer *pPlayer = GetTFPlayerOwner();
    if ( !pPlayer )
        return false;

    // Setup the swing range.
    Vector vecForward;
    AngleVectors( pPlayer->EyeAngles(), &vecForward );
    Vector vecSwingStart = pPlayer->Weapon_ShootPosition();
    Vector vecSwingEnd = vecSwingStart + vecForward * 48;

    // See if we hit anything.
    UTIL_TraceLine( vecSwingStart, vecSwingEnd, MASK_SOLID, pPlayer, COLLISION_GROUP_NONE, &trace );
    if ( trace.fraction >= 1.0 )
    {
        UTIL_TraceHull( vecSwingStart, vecSwingEnd, vecSwingMins, vecSwingMaxs, MASK_SOLID, pPlayer, COLLISION_GROUP_NONE, &trace );
        if ( trace.fraction < 1.0 )
        {
            // Calculate the point of intersection of the line (or hull) and the object we hit
            // This is and approximation of the "best" intersection
            CBaseEntity *pHit = trace.m_pEnt;
            if ( !pHit || pHit->IsBSPModel() )
            {
                // Why duck hull min/max?
                FindHullIntersection( vecSwingStart, trace, VEC_DUCK_HULL_MIN, VEC_DUCK_HULL_MAX, pPlayer );
            }

            // This is the point on the actual surface (the hull could have hit space)
            vecSwingEnd = trace.endpos;
        }
    }

    return ( trace.fraction < 1.0f );
}