Function premap_detect

src/detect.c:2133–2159

Pre-map (the sokoban) levels */

/* Pre-map (the sokoban) levels */
void
premap_detect(void)
{
    coordxy x, y;
    struct trap *ttmp;
    struct obj *obj;

    /* Map the background and boulders */
    for (x = 1; x < COLNO; x++)
        for (y = 0; y < ROWNO; y++) {
            if (skip_premap_detect(x, y))
                continue;
            levl[x][y].seenv = SVALL;
            levl[x][y].waslit = TRUE;
            if (levl[x][y].typ == SDOOR)
                levl[x][y].wall_info = 0; /* see rm.h for explanation */
            map_background(x, y, 1);
            if ((obj = sobj_at(BOULDER, x, y)) != 0)
                map_object(obj, 1);
        }

    /* Map the traps */
    for (ttmp = gf.ftrap; ttmp; ttmp = ttmp->ntrap) {
        ttmp->tseen = 1;
        map_trap(ttmp, 1);
    }
}

/* used to see under visible gas/cloud regions; caller must declare cmaptmp */
#define glyph_is_gascloud(glyph) \