bool CBasePlayer::SetObserverTarget

bool CBasePlayer::SetObserverTarget(CBaseEntity *target)
{
    if ( !IsValidObserverTarget( target ) )
        return false;

    // set new target
    m_hObserverTarget.Set( target );

    // reset fov to default
    SetFOV( this, 0 );

    if ( m_iObserverMode == OBS_MODE_ROAMING )
    {
        Vector  dir, end;
        Vector  start = target->EyePosition();

        AngleVectors( target->EyeAngles(), &dir );
        VectorNormalize( dir );
        VectorMA( start, -64.0f, dir, end );

        Ray_t ray;
        ray.Init( start, end, VEC_DUCK_HULL_MIN , VEC_DUCK_HULL_MAX );

        trace_t tr;
        UTIL_TraceRay( ray, MASK_PLAYERSOLID, target, COLLISION_GROUP_PLAYER_MOVEMENT, &tr );

        JumptoPosition( tr.endpos, target->EyeAngles() );
    }

    return true;
}