Source:NetHack 3.6.1/src/mapglyph.c
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Below is the full text to mapglyph.c from the source code of NetHack 3.6.1. To link to a particular line, write [[Source:NetHack 3.6.1/src/mapglyph.c#line123]], for example.
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/* NetHack 3.6 mapglyph.c $NHDT-Date: 1448175698 2015/11/22 07:01:38 $ $NHDT-Branch: master $:$NHDT-Revision: 1.40 $ */
/* Copyright (c) David Cohrs, 1991 */
/* NetHack may be freely redistributed. See license for details. */The NetHack General Public License applies to screenshots, source code and other content from NetHack.
This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.
#include "hack.h"
#if defined(TTY_GRAPHICS)
#include "wintty.h" /* for prototype of has_color() only */
#endif
#include "color.h"
#define HI_DOMESTIC CLR_WHITE /* monst.c */
static int explcolors[] = {
CLR_BLACK, /* dark */
CLR_GREEN, /* noxious */
CLR_BROWN, /* muddy */
CLR_BLUE, /* wet */
CLR_MAGENTA, /* magical */
CLR_ORANGE, /* fiery */
CLR_WHITE, /* frosty */
};
#if !defined(TTY_GRAPHICS)
#define has_color(n) TRUE
#endif
#ifdef TEXTCOLOR
#define zap_color(n) color = iflags.use_color ? zapcolors[n] : NO_COLOR
#define cmap_color(n) color = iflags.use_color ? defsyms[n].color : NO_COLOR
#define obj_color(n) color = iflags.use_color ? objects[n].oc_color : NO_COLOR
#define mon_color(n) color = iflags.use_color ? mons[n].mcolor : NO_COLOR
#define invis_color(n) color = NO_COLOR
#define pet_color(n) color = iflags.use_color ? mons[n].mcolor : NO_COLOR
#define warn_color(n) \
color = iflags.use_color ? def_warnsyms[n].color : NO_COLOR
#define explode_color(n) color = iflags.use_color ? explcolors[n] : NO_COLOR
#else /* no text color */
#define zap_color(n)
#define cmap_color(n)
#define obj_color(n)
#define mon_color(n)
#define invis_color(n)
#define pet_color(c)
#define warn_color(n)
#define explode_color(n)
#endif
#if defined(USE_TILES) && defined(MSDOS)
#define HAS_ROGUE_IBM_GRAPHICS \
(currentgraphics == ROGUESET && SYMHANDLING(H_IBM) && !iflags.grmode)
#else
#define HAS_ROGUE_IBM_GRAPHICS \
(currentgraphics == ROGUESET && SYMHANDLING(H_IBM))
#endif
#define is_objpile(x,y) (!Hallucination && level.objects[(x)][(y)] \
&& level.objects[(x)][(y)]->nexthere)
/*ARGSUSED*/mapglyph
int
mapglyph(glyph, ochar, ocolor, ospecial, x, y)
int glyph, *ocolor, x, y;
int *ochar;
unsigned *ospecial;
{
register int offset, idx;
int color = NO_COLOR;
nhsym ch;
unsigned special = 0;
/* condense multiple tests in macro version down to single */
boolean has_rogue_ibm_graphics = HAS_ROGUE_IBM_GRAPHICS;
boolean has_rogue_color = (has_rogue_ibm_graphics
&& symset[currentgraphics].nocolor == 0);
/*
* Map the glyph back to a character and color.
*
* Warning: For speed, this makes an assumption on the order of
* offsets. The order is set in display.h.
*/
if ((offset = (glyph - GLYPH_STATUE_OFF)) >= 0) { /* a statue */
idx = mons[offset].mlet + SYM_OFF_M;
if (has_rogue_color)
color = CLR_RED;
else
obj_color(STATUE);
special |= MG_STATUE;
if (is_objpile(x,y))
special |= MG_OBJPILE;
} else if ((offset = (glyph - GLYPH_WARNING_OFF)) >= 0) { /* warn flash */
idx = offset + SYM_OFF_W;
if (has_rogue_color)
color = NO_COLOR;
else
warn_color(offset);
} else if ((offset = (glyph - GLYPH_SWALLOW_OFF)) >= 0) { /* swallow */
/* see swallow_to_glyph() in display.c */
idx = (S_sw_tl + (offset & 0x7)) + SYM_OFF_P;
if (has_rogue_color && iflags.use_color)
color = NO_COLOR;
else
mon_color(offset >> 3);
} else if ((offset = (glyph - GLYPH_ZAP_OFF)) >= 0) { /* zap beam */
/* see zapdir_to_glyph() in display.c */
idx = (S_vbeam + (offset & 0x3)) + SYM_OFF_P;
if (has_rogue_color && iflags.use_color)
color = NO_COLOR;
else
zap_color((offset >> 2));
} else if ((offset = (glyph - GLYPH_EXPLODE_OFF)) >= 0) { /* explosion */
idx = ((offset % MAXEXPCHARS) + S_explode1) + SYM_OFF_P;
explode_color(offset / MAXEXPCHARS);
} else if ((offset = (glyph - GLYPH_CMAP_OFF)) >= 0) { /* cmap */
idx = offset + SYM_OFF_P;
if (has_rogue_color && iflags.use_color) {
if (offset >= S_vwall && offset <= S_hcdoor)
color = CLR_BROWN;
else if (offset >= S_arrow_trap && offset <= S_polymorph_trap)
color = CLR_MAGENTA;
else if (offset == S_corr || offset == S_litcorr)
color = CLR_GRAY;
else if (offset >= S_room && offset <= S_water
&& offset != S_darkroom)
color = CLR_GREEN;
else
color = NO_COLOR;
#ifdef TEXTCOLOR
/* provide a visible difference if normal and lit corridor
use the same symbol */
} else if (iflags.use_color && offset == S_litcorr
&& showsyms[idx] == showsyms[S_corr + SYM_OFF_P]) {
color = CLR_WHITE;
#endif
/* try to provide a visible difference between water and lava
if they use the same symbol and color is disabled */
} else if (!iflags.use_color && offset == S_lava
&& (showsyms[idx] == showsyms[S_pool + SYM_OFF_P]
|| showsyms[idx] == showsyms[S_water + SYM_OFF_P])) {
special |= MG_BW_LAVA;
} else {
cmap_color(offset);
}
} else if ((offset = (glyph - GLYPH_OBJ_OFF)) >= 0) { /* object */
idx = objects[offset].oc_class + SYM_OFF_O;
if (offset == BOULDER)
idx = SYM_BOULDER + SYM_OFF_X;
if (has_rogue_color && iflags.use_color) {
switch (objects[offset].oc_class) {
case COIN_CLASS:
color = CLR_YELLOW;
break;
case FOOD_CLASS:
color = CLR_RED;
break;
default:
color = CLR_BRIGHT_BLUE;
break;
}
} else
obj_color(offset);
if (offset != BOULDER && is_objpile(x,y))
special |= MG_OBJPILE;
} else if ((offset = (glyph - GLYPH_RIDDEN_OFF)) >= 0) { /* mon ridden */
idx = mons[offset].mlet + SYM_OFF_M;
if (has_rogue_color)
/* This currently implies that the hero is here -- monsters */
/* don't ride (yet...). Should we set it to yellow like in */
/* the monster case below? There is no equivalent in rogue. */
color = NO_COLOR; /* no need to check iflags.use_color */
else
mon_color(offset);
special |= MG_RIDDEN;
} else if ((offset = (glyph - GLYPH_BODY_OFF)) >= 0) { /* a corpse */
idx = objects[CORPSE].oc_class + SYM_OFF_O;
if (has_rogue_color && iflags.use_color)
color = CLR_RED;
else
mon_color(offset);
special |= MG_CORPSE;
if (is_objpile(x,y))
special |= MG_OBJPILE;
} else if ((offset = (glyph - GLYPH_DETECT_OFF)) >= 0) { /* mon detect */
idx = mons[offset].mlet + SYM_OFF_M;
if (has_rogue_color)
color = NO_COLOR; /* no need to check iflags.use_color */
else
mon_color(offset);
/* Disabled for now; anyone want to get reverse video to work? */
/* is_reverse = TRUE; */
special |= MG_DETECT;
} else if ((offset = (glyph - GLYPH_INVIS_OFF)) >= 0) { /* invisible */
idx = SYM_INVISIBLE + SYM_OFF_X;
if (has_rogue_color)
color = NO_COLOR; /* no need to check iflags.use_color */
else
invis_color(offset);
special |= MG_INVIS;
} else if ((offset = (glyph - GLYPH_PET_OFF)) >= 0) { /* a pet */
idx = mons[offset].mlet + SYM_OFF_M;
if (has_rogue_color)
color = NO_COLOR; /* no need to check iflags.use_color */
else
pet_color(offset);
special |= MG_PET;
} else { /* a monster */
idx = mons[glyph].mlet + SYM_OFF_M;
if (has_rogue_color && iflags.use_color) {
if (x == u.ux && y == u.uy)
/* actually player should be yellow-on-gray if in corridor */
color = CLR_YELLOW;
else
color = NO_COLOR;
} else {
mon_color(glyph);
#ifdef TEXTCOLOR
/* special case the hero for `showrace' option */
if (iflags.use_color && x == u.ux && y == u.uy
&& flags.showrace && !Upolyd)
color = HI_DOMESTIC;
#endif
}
}
ch = showsyms[idx];
#ifdef TEXTCOLOR
/* Turn off color if no color defined, or rogue level w/o PC graphics. */
if (!has_color(color) || (Is_rogue_level(&u.uz) && !has_rogue_color))
color = NO_COLOR;
#endif
*ochar = (int) ch;
*ospecial = special;
#ifdef TEXTCOLOR
*ocolor = color;
#endif
return idx;
}
encglyph
char *
encglyph(glyph)
int glyph;
{
static char encbuf[20];
Sprintf(encbuf, "\\G%04X%04X", context.rndencode, glyph);
return encbuf;
}
genl_putmixed
/*
* This differs from putstr() because the str parameter can
* contain a sequence of characters representing:
* \GXXXXNNNN a glyph value, encoded by encglyph().
*
* For window ports that haven't yet written their own
* XXX_putmixed() routine, this general one can be used.
* It replaces the encoded glyph sequence with a single
* showsyms[] char, then just passes that string onto
* putstr().
*/
void
genl_putmixed(window, attr, str)
winid window;
int attr;
const char *str;
{
static const char hex[] = "00112233445566778899aAbBcCdDeEfF";
char buf[BUFSZ];
const char *cp = str;
char *put = buf;
while (*cp) {
if (*cp == '\\') {
int rndchk, dcount, so, gv, ch = 0, oc = 0;
unsigned os = 0;
const char *dp, *save_cp;
save_cp = cp++;
switch (*cp) {
case 'G': /* glyph value \GXXXXNNNN*/
rndchk = dcount = 0;
for (++cp; *cp && ++dcount <= 4; ++cp)
if ((dp = index(hex, *cp)) != 0)
rndchk = (rndchk * 16) + ((int) (dp - hex) / 2);
else
break;
if (rndchk == context.rndencode) {
gv = dcount = 0;
for (; *cp && ++dcount <= 4; ++cp)
if ((dp = index(hex, *cp)) != 0)
gv = (gv * 16) + ((int) (dp - hex) / 2);
else
break;
so = mapglyph(gv, &ch, &oc, &os, 0, 0);
*put++ = showsyms[so];
/* 'cp' is ready for the next loop iteration and '*cp'
should not be copied at the end of this iteration */
continue;
} else {
/* possible forgery - leave it the way it is */
cp = save_cp;
}
break;
#if 0
case 'S': /* symbol offset */
so = rndchk = dcount = 0;
for (++cp; *cp && ++dcount <= 4; ++cp)
if ((dp = index(hex, *cp)) != 0)
rndchk = (rndchk * 16) + ((int) (dp - hex) / 2);
else
break;
if (rndchk == context.rndencode) {
dcount = 0;
for (; *cp && ++dcount <= 2; ++cp)
if ((dp = index(hex, *cp)) != 0)
so = (so * 16) + ((int) (dp - hex) / 2);
else
break;
}
*put++ = showsyms[so];
break;
#endif
case '\\':
break;
}
}
*put++ = *cp++;
}
*put = '\0';
/* now send it to the normal putstr */
putstr(window, attr, buf);
}
/*mapglyph.c*/