once more with feeling

str weapons[3] = { "weapon0", "weapon1", "weapon2", "weapon3" }; /* array to store all your weapon names in, remember arrays start at 0 */

int tics; /* variable for tic counter */

script 1 OPEN /* script to keep track of tics */
{
    while(TRUE){
    Delay(1);
    ++tics; }
}

Script 2 (void)
{
    int x, y, z, ang, tid;

    /* get the spawner actor's position */
    x = GetActorX(0);
    y = GetActorY(0);
    z = GetActorZ(0);

    /* and angle */
    ang = GetActorAngle (0);

    while(TRUE){  /* this is just the main loop that will be forever looped forever */
        tid = UniqueTID(); /* grab a new unique tid for the weapon we're about to spawn */
        /* for Random() function to choose random weapon, min should be 0, max should be same as array to get all things in array, in this case 0 to 3 */
        SpawnForced (weapons[Random(0, 3);], x, y, z , tid, ang); /* spawn the random weapon at the position of the spawning actor with the uniquetid */
       /*  loop until the item you just spawned is picked up */
        while(ThingCount(T_NONE, tid)) { /* this will return true until it is picked up */
             Delay(1); } /* we need such a short delay if we are approximating sv_weaponstay, but with random weapons */

        if(!GetCVar("SV_WeaponStay") /* if sv_weaponstay is not on */
          && GetCVar("SV_ItemRespawn")){ /* and items are set to respawn */

          /* then we recreate the awful respawn timer for items found here : https://doomwiki.org/wiki/Spawning
             because there is no such thing as sv_itemrespawntime for zandronum apparently and I can't find a concrete respawn time */
            Delay(428); /* wait 12 seconds */
            /* we recreate this */
            /* "Is the current tic value a multiple of 32? If not, do not respawn." */
            /* and "Choose a random number from 0 to 255. Is it less than or equal to 4? If so, respawn." */
            While((tics % 32) != 0){
                Delay(1); }
            /* now we recreate "Choose a random number from 0 to 255. Is it less than or equal to 4? If so, respawn." */
            while(Random(0,255)>5){
                Delay(32);}  }
        while(!GetCVar("SV_ItemRespawn")){ /* In case items aren't set to respawn */
          Delay(5); } /* wait around and see if they are so that maps aren't broken if people accidentally set flags the wrong way or change their mind */

    }
}