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special level's lit state when changing terrain

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Part of pull request #308:  when using des.terrain to set terrain,
default for lit state becomes 'unchanged' rather than 'unlit'.
des.replace_terrain already operates that way.  Replace lit state
magic numbers -1 and -2 with SET_LIT_RANDOM and SET_LIT_NOCHANGE.

Also change SET_TYPLIT() to not operate on map column 0 and move
it from rm.h to sp_lev.h.  It never belonged there, is only used
in sp_lev.c, and now because of the SET_LIT_ macros it couldn't be
used anywhere else unless sp_lev.h gets included too.
This commit is contained in:
PatR
2020-09-06 16:17:33 -07:00
parent b48ebbfe15
commit f20a6bb491
4 changed files with 57 additions and 41 deletions
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23
include/sp_lev.h
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@@ -1,4 +1,4 @@
/* NetHack 3.7 sp_lev.h $NHDT-Date: 1596498560 2020/08/03 23:49:20 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.38 $ */
/* NetHack 3.7 sp_lev.h $NHDT-Date: 1599434249 2020/09/06 23:17:29 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.39 $ */
/* Copyright (c) 1989 by Jean-Christophe Collet */
/* NetHack may be freely redistributed. See license for details. */
@@ -62,6 +62,11 @@ enum lvlinit_types {
#define SEL_GRADIENT_RADIAL 0
#define SEL_GRADIENT_SQUARE 1
/* light states for terrain replacements, specifically for SET_TYPLIT
* (not used for init_level) */
#define SET_LIT_RANDOM -1
#define SET_LIT_NOCHANGE -2
#define SP_COORD_IS_RANDOM 0x01000000L
/* Humidity flags for get_location() and friends, used with
* SP_COORD_PACK_RANDOM() */
@@ -188,4 +193,20 @@ struct mapfragment {
char *data;
};
#define SET_TYPLIT(x, y, ttyp, llit) \
{ \
if ((x) >= 1 && (y) >= 0 && (x) < COLNO && (y) < ROWNO) { \
if ((ttyp) < MAX_TYPE) \
levl[(x)][(y)].typ = (ttyp); \
if ((ttyp) == LAVAPOOL) \
levl[(x)][(y)].lit = 1; \
else if ((schar)(llit) != SET_LIT_NOCHANGE) { \
if ((schar)(llit) == SET_LIT_RANDOM) \
levl[(x)][(y)].lit = rn2(2); \
else \
levl[(x)][(y)].lit = (llit); \
} \
} \
}
#endif /* SP_LEV_H */