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Fix: IS_SUBROOM_INDEX range

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The macro (currently unused, I think) for checking whether a particular
index designates a subroom was off by one on the maximum allowable
value.

Because of the dedicated extra space for the g.rooms array terminator
flag (hx == -1), subroom indices in g.rooms are set out in the range
[MAXNROFROOMS+1, MAXNROFROOMS*2], inclusive.

Also some minor formatting tweaks.
This commit is contained in:
Michael Meyer
2022-08-24 21:38:56 -04:00
committed by PatR
parent d74791f4a2
commit d1f4e7df85
2 changed files with 7 additions and 6 deletions
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9
include/mkroom.h
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@@ -100,10 +100,11 @@ enum roomtype_types {
#define IS_ROOM_PTR(x) ((x) >= g.rooms && (x) < g.rooms + MAXNROFROOMS)
#define IS_ROOM_INDEX(x) ((x) >= 0 && (x) < MAXNROFROOMS)
#define IS_SUBROOM_PTR(x) ((x) >= g.subrooms && (x) < g.subrooms + MAXNROFROOMS)
#define IS_SUBROOM_INDEX(x) ((x) > MAXNROFROOMS && (x) < (MAXNROFROOMS * 2))
#define ROOM_INDEX(x) ((x) -g.rooms)
#define SUBROOM_INDEX(x) ((x) -g.subrooms)
#define IS_SUBROOM_PTR(x) \
((x) >= g.subrooms && (x) < g.subrooms + MAXNROFROOMS)
#define IS_SUBROOM_INDEX(x) ((x) > MAXNROFROOMS && (x) <= (MAXNROFROOMS * 2))
#define ROOM_INDEX(x) ((x) - g.rooms)
#define SUBROOM_INDEX(x) ((x) - g.subrooms)
#define IS_LAST_ROOM_PTR(x) (ROOM_INDEX(x) == g.nroom)
#define IS_LAST_SUBROOM_PTR(x) (!g.nsubroom || SUBROOM_INDEX(x) == g.nsubroom)