// Lowest grid value that an item can be placed on.
    DNGN_MINITEM = DNGN_SHALLOW_WATER,

    }
}
// Remove any items that are on squares that items should not be on.
// link_items() must be called after this function.
static void _fixup_misplaced_items()
{
    for (int i = 0; i < MAX_ITEMS; i++)
    {
        if (!is_valid_item(mitm[i]) || (mitm[i].x == 0 && mitm[i].y == 0))
            continue;
        coord_def gc(mitm[i].x, mitm[i].y);
        if (in_bounds(gc))
        {
            dungeon_feature_type feat = grd(gc);
            if (feat >= DNGN_MINITEM)
                continue;
#ifdef DEBUG_DIAGNOSTICS
            mprf(MSGCH_DIAGNOSTICS,
                 "Item buggily placed in feature at (%d, %d).", gc.x, gc.y);
#endif
        }
        else
        {
#ifdef DEBUG_DIAGNOSTICS
            mprf(MSGCH_DIAGNOSTICS,
                 "Item buggily placed out of bounds at (%d, %d).", gc.x, gc.y);
#endif
        }
        // Can't just unlink item because it might not have been linked yet.
        mitm[i].base_type = OBJ_UNASSIGNED;
        mitm[i].quantity = 0;
        mitm[i].x = 0;
        mitm[i].y = 0;

    _fixup_misplaced_items();