Function NPCC_HaveLOSToPos

src/SB/Game/zNPCSupport.cpp:1106–1167

}

S32 NPCC_HaveLOSToPos(xVec3* pos_src, xVec3* pos_tgt, F32 dst_max, xBase* tgt, xCollis* colCallers)
{
    S32 result;
    xRay3 ray = {};
    xScene* xscn = globals.sceneCur;
    xCollis* colrec;

    if (colCallers)
    {
        colrec = colCallers;
    }
    else
    {
        static xCollis localCollis = { (((U32)(1 << 8)) | ((U32)(1 << 9)) | ((U32)(1 << 10)) |
                                        ((U32)(1 << 11))) |
                                       ((U32)(1 << 12)) };

        memset(&localCollis, 0, sizeof(xCollis));
        localCollis.flags =
            (((U32)(1 << 8)) | ((U32)(1 << 9)) | ((U32)(1 << 10)) | ((U32)(1 << 11))) |
            ((U32)(1 << 12)) | ((U32)(1 << 12));

        colrec = &localCollis;
    }

    ray.min_t = 0.0f;
    ray.max_t = dst_max;

    xVec3Sub(&ray.dir, pos_tgt, pos_src);
    xVec3Normalize(&ray.dir, &ray.dir);
    xVec3Copy(&ray.origin, pos_src);

    ray.flags = (1 << 10) | (1 << 11);

    xRayHitsScene(xscn, &ray, colrec);

    if (!(colrec->flags & ((U32)(1 << 0))))
    {
        result = 1;
    }
    else if (colrec->dist > dst_max)
    {
        result = 1;
    }
    else if (tgt && colrec->oid != 0)
    {
        if (tgt->id == colrec->oid)
        {
            result = 1;
        }
        else
        {
            result = 0;
        }
    }
    else
    {
        result = 0;