02a48aa8cf
The consolidation of global variables from scattered source
files into decl.c and declared in decl.h was begun in 3.7.0.
Their placement in common files was done for centralized
initialization and potential re-initialization during a
"play again" scenario.
It wasn't really necessary for all of them to be housed in a
single huge structure to meet the "play again" requirement,
and the single huge structure has been a little unwieldy when
it comes to maintenance.
Following this commit, instead of one single extremely large structure
named 'g' to house all of the relocated global variables, they
are distributed into several ga through gz.
To make things easy for the developer, each variable is placed
into the struct corresponding to the starting letter of the variable.
That way, no lookup is required in order to know which struct houses
a particular variable, it is a simple match to the starting letter
for all the centralized global variables.
A global variable named 'amulets', would be found in ga.
ga.amulets
^ ^
A global varable named 'move', would be found in gm.
gm.moves
^ ^
A global variable named 'val_for_n_or_more' would be found in gv.
gv.val_for_n_or_more
^ ^
A global variable named 'youmonst' would be found in gy.
gy.youmonst
^ ^
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* NetHack 3.7 align.h $NHDT-Date: 1604269810 2020/11/01 22:30:10 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.15 $ */
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/* Copyright (c) Mike Stephenson, Izchak Miller 1991. */
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/* NetHack may be freely redistributed. See license for details. */
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#ifndef ALIGN_H
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#define ALIGN_H
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typedef schar aligntyp; /* basic alignment type */
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typedef struct align { /* alignment & record */
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aligntyp type;
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int record;
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} align;
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/* bounds for "record" -- respect initial alignments of 10 */
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#define ALIGNLIM (10L + (gm.moves / 200L))
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#define A_NONE (-128) /* the value range of type */
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#define A_CHAOTIC (-1)
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#define A_NEUTRAL 0
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#define A_LAWFUL 1
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#define A_COALIGNED 1
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#define A_OPALIGNED (-1)
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/* align masks */
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#define AM_NONE 0x00
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#define AM_CHAOTIC 0x01
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#define AM_NEUTRAL 0x02
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#define AM_LAWFUL 0x04
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#define AM_MASK 0x07 /* mask for "normal" alignment values */
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/* Some altars are considered shrines, add a flag for that
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for the altarmask field of struct rm. */
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#define AM_SHRINE 0x08
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/* High altar on Astral plane or Moloch's sanctum */
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#define AM_SANCTUM 0x10
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/* special level flags, gone by the time the level has been loaded */
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#define AM_SPLEV_CO 0x20 /* co-aligned: force alignment to match hero's */
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#define AM_SPLEV_NONCO 0x40 /* non-co-aligned: force alignment to not match */
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#define AM_SPLEV_RANDOM 0x80
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#define Amask2align(x) \
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((aligntyp) ((((x) & AM_MASK) == 0) ? A_NONE \
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: (((x) & AM_MASK) == AM_LAWFUL) ? A_LAWFUL \
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: ((int) ((x) & AM_MASK)) - 2)) /* 2 => 0, 1 => -1 */
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#define Align2amask(x) \
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((unsigned) (((x) == A_NONE) ? AM_NONE \
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: ((x) == A_LAWFUL) ? AM_LAWFUL \
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: ((x) + 2))) /* -1 => 1, 0 => 2 */
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/* Because clearly Nethack needs more ways to specify alignment...
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Amask2msa(): 1, 2, 4 converted to 1, 2, 3 to fit within a width 2 bitfield;
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Msa2amask(): 1, 2, 3 converted back to 1, 2, 4;
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For Amask2msa(), 'x' might have the shrine bit set so strip that off. */
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#define Amask2msa(x) ((((x) & AM_MASK) == 4) ? 3 : (x) & AM_MASK)
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#define Msa2amask(x) (((x) == 3) ? 4 : (x))
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#define MSA_NONE 0 /* unaligned or multiple alignments */
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#endif /* ALIGN_H */
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