room type values

0 = normal (off)

1 = generic

2 = metal small

3 = metal medium

4 = metal large

5 = tunnel small

6 = tunnel medium

7 = tunnel large

8 = chamber small

9 = chamber medium

10 = chamber large

11 = bright small

12 = bright medium

13 = bright large

14 = water 1

15 = water 2

16 = water 3

17 = concrete small

18 = concrete medium

19 = concrete large

20 = big 1

21 = big 2

22 = big 3

23 = cavern small

24 = cavern medium

25 = cavern large

26 = weirdo 1

27 = weirdo 2

28 = weirdo 3