void
mr_map_rooms (void)
{
int x, y;
clear_multi_room_cells ();
mr_map_room_adj (mr.room, mr.x, mr.y);
while (next_multi_room_cell (&x, &y))
mr_map_room_adj (mr.cell[x][y].room, x, y);
for (x = 0; x < mr.w; x++)
for (y = 0; y < mr.h; y++) {
if (mr.cell[x][y].room < 0) mr.cell[x][y].room = 0;
}
}
void
mr_set_origin (int room, int rx, int ry)
{
mr.room = room;
mr.x = rx;
mr.y = ry;
int x, y;
clear_multi_room_cells ();
mr_map_room (mr.room, mr.x, mr.y);
while (next_multi_room_cell (&x, &y))
mr_map_room (mr.cell[x][y].room, x, y);
for (x = 0; x < mr.w; x++)
for (y = 0; y < mr.h; y++) {
if (mr.cell[x][y].room < 0) mr.cell[x][y].room = 0;
}
}