Keep swamp within the room boundaries

If a swamp special room was generated in an irregular room, it could
go outside the boundaries of that room.

Fixes #546
This commit is contained in:
Pasi Kallinen
2021-07-09 18:34:42 +03:00
parent 29a8153170
commit 50b22449d1

View File

@@ -512,6 +512,7 @@ mkswamp(void) /* Michiel Huisjes & Fred de Wilde */
{
register struct mkroom *sroom;
register int sx, sy, i, eelct = 0;
int rmno;
for (i = 0; i < 5; i++) { /* turn up to 5 rooms swampy */
sroom = &g.rooms[rn2(g.nroom)];
@@ -519,10 +520,14 @@ mkswamp(void) /* Michiel Huisjes & Fred de Wilde */
|| has_dnstairs(sroom))
continue;
rmno = (sroom - g.rooms) + ROOMOFFSET;
/* satisfied; make a swamp */
sroom->rtype = SWAMP;
for (sx = sroom->lx; sx <= sroom->hx; sx++)
for (sy = sroom->ly; sy <= sroom->hy; sy++)
for (sy = sroom->ly; sy <= sroom->hy; sy++) {
if (!IS_ROOM(levl[sx][sy].typ) || levl[sx][sy].roomno != rmno)
continue;
if (!OBJ_AT(sx, sy) && !MON_AT(sx, sy) && !t_at(sx, sy)
&& !nexttodoor(sx, sy)) {
if ((sx + sy) % 2) {
@@ -541,6 +546,7 @@ mkswamp(void) /* Michiel Huisjes & Fred de Wilde */
(void) makemon(mkclass(S_FUNGUS, 0), sx, sy,
NO_MM_FLAGS);
}
}
g.level.flags.has_swamp = 1;
}
}