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Source:NetHack 3.4.0/mapglyph.c

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Below is the full text to mapglyph.c from the source code of NetHack 3.4.0. To link to a particular line, write [[NetHack 3.4.0/mapglyph.c#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

The NetHack General Public License applies to screenshots, source code and other content from NetHack.
1.    /*	SCCS Id: @(#)mapglyph.c	3.4	2000/08/18	*/
2.    /* Copyright (c) David Cohrs, 1991				  */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    #include "hack.h"
6.    #if defined(TTY_GRAPHICS)
7.    #include "wintty.h"	/* for prototype of has_color() only */
8.    #endif
9.    #include "color.h"
10.   
11.   int explcolors[] = {
12.   	CLR_BLACK,	/* dark    */
13.   	CLR_GREEN,	/* noxious */
14.   	CLR_BROWN,	/* muddy   */
15.   	CLR_BLUE,	/* wet     */
16.   	CLR_MAGENTA,	/* magical */
17.   	CLR_ORANGE,	/* fiery   */
18.   	CLR_WHITE,	/* frosty  */
19.   };
20.   
21.   #if !defined(TTY_GRAPHICS)
22.   #define has_color(n)  TRUE
23.   #endif
24.   
25.   #ifdef TEXTCOLOR
26.   #define zap_color(n)  color = iflags.use_color ? zapcolors[n] : NO_COLOR
27.   #define cmap_color(n) color = iflags.use_color ? defsyms[n].color : NO_COLOR
28.   #define obj_color(n)  color = iflags.use_color ? objects[n].oc_color : NO_COLOR
29.   #define mon_color(n)  color = iflags.use_color ? mons[n].mcolor : NO_COLOR
30.   #define invis_color(n) color = NO_COLOR
31.   #define pet_color(n)  color = iflags.use_color ? mons[n].mcolor : NO_COLOR
32.   #define warn_color(n) color = iflags.use_color ? def_warnsyms[n].color : NO_COLOR
33.   #define explode_color(n) color = iflags.use_color ? explcolors[n] : NO_COLOR
34.   # if defined(REINCARNATION) && defined(ASCIIGRAPH)
35.   #  define ROGUE_COLOR
36.   # endif
37.   
38.   #else	/* no text color */
39.   
40.   #define zap_color(n)
41.   #define cmap_color(n)
42.   #define obj_color(n)
43.   #define mon_color(n)
44.   #define invis_color(n)
45.   #define pet_color(c)
46.   #define warn_color(n)
47.   #define explode_color(n)
48.   #endif
49.   
50.   #ifdef ROGUE_COLOR
51.   # if defined(USE_TILES) && defined(MSDOS)
52.   #define HAS_ROGUE_IBM_GRAPHICS (iflags.IBMgraphics && !iflags.grmode && \
53.   	Is_rogue_level(&u.uz))
54.   # else
55.   #define HAS_ROGUE_IBM_GRAPHICS (iflags.IBMgraphics && Is_rogue_level(&u.uz))
56.   # endif
57.   #endif
58.   
59.   /*ARGSUSED*/
60.   void
61.   mapglyph(glyph, ochar, ocolor, ospecial, x, y)
62.   int glyph, *ocolor, x, y;
63.   int *ochar;
64.   unsigned *ospecial;
65.   {
66.   	register int offset;
67.   	int color = NO_COLOR;
68.   	uchar ch;
69.   	unsigned special = 0;
70.   
71.       /*
72.        *  Map the glyph back to a character and color.
73.        *
74.        *  Warning:  For speed, this makes an assumption on the order of
75.        *		  offsets.  The order is set in display.h.
76.        */
77.       if ((offset = (glyph - GLYPH_WARNING_OFF)) >= 0) {	/* a warning flash */
78.       	ch = warnsyms[offset];
79.   # ifdef ROGUE_COLOR
80.   	if (HAS_ROGUE_IBM_GRAPHICS)
81.   	    color = NO_COLOR;
82.   	else
83.   # endif
84.   	    warn_color(offset);
85.       } else if ((offset = (glyph - GLYPH_SWALLOW_OFF)) >= 0) {	/* swallow */
86.   	/* see swallow_to_glyph() in display.c */
87.   	ch = (uchar) showsyms[S_sw_tl + (offset & 0x7)];
88.   #ifdef ROGUE_COLOR
89.   	if (HAS_ROGUE_IBM_GRAPHICS && iflags.use_color)
90.   	    color = NO_COLOR;
91.   	else
92.   #endif
93.   	    mon_color(offset >> 3);
94.       } else if ((offset = (glyph - GLYPH_ZAP_OFF)) >= 0) {	/* zap beam */
95.   	/* see zapdir_to_glyph() in display.c */
96.   	ch = showsyms[S_vbeam + (offset & 0x3)];
97.   #ifdef ROGUE_COLOR
98.   	if (HAS_ROGUE_IBM_GRAPHICS && iflags.use_color)
99.   	    color = NO_COLOR;
100.  	else
101.  #endif
102.  	    zap_color((offset >> 2));
103.      } else if ((offset = (glyph - GLYPH_EXPLODE_OFF)) >= 0) {	/* explosion */
104.  	ch = showsyms[(offset % MAXEXPCHARS) + S_explode1];
105.  	explode_color(offset / MAXEXPCHARS);
106.      } else if ((offset = (glyph - GLYPH_CMAP_OFF)) >= 0) {	/* cmap */
107.  	ch = showsyms[offset];
108.  #ifdef ROGUE_COLOR
109.  	if (HAS_ROGUE_IBM_GRAPHICS && iflags.use_color) {
110.  	    if (offset >= S_vwall && offset <= S_hcdoor)
111.  		color = CLR_BROWN;
112.  	    else if (offset >= S_arrow_trap && offset <= S_polymorph_trap)
113.  		color = CLR_MAGENTA;
114.  	    else if (offset == S_corr || offset == S_litcorr)
115.  		color = CLR_GRAY;
116.  	    else if (offset >= S_room && offset <= S_water)
117.  		color = CLR_GREEN;
118.  	    else
119.  		color = NO_COLOR;
120.  	} else
121.  #endif
122.  	    cmap_color(offset);
123.      } else if ((offset = (glyph - GLYPH_OBJ_OFF)) >= 0) {	/* object */
124.  	if (offset == BOULDER && iflags.bouldersym) ch = iflags.bouldersym;
125.  	else ch = oc_syms[(int)objects[offset].oc_class];
126.  #ifdef ROGUE_COLOR
127.  	if (HAS_ROGUE_IBM_GRAPHICS && iflags.use_color) {
128.  	    switch(objects[offset].oc_class) {
129.  		case GOLD_CLASS: color = CLR_YELLOW; break;
130.  		case FOOD_CLASS: color = CLR_RED; break;
131.  		default: color = CLR_BRIGHT_BLUE; break;
132.  	    }
133.  	} else
134.  #endif
135.  	    obj_color(offset);
136.      } else if ((offset = (glyph - GLYPH_RIDDEN_OFF)) >= 0) {	/* mon ridden */
137.  	ch = monsyms[(int)mons[offset].mlet];
138.  #ifdef ROGUE_COLOR
139.  	if (HAS_ROGUE_IBM_GRAPHICS)
140.  	    /* This currently implies that the hero is here -- monsters */
141.  	    /* don't ride (yet...).  Should we set it to yellow like in */
142.  	    /* the monster case below?  There is no equivalent in rogue. */
143.  	    color = NO_COLOR;	/* no need to check iflags.use_color */
144.  	else
145.  #endif
146.  	    mon_color(offset);
147.  	    special |= MG_RIDDEN;
148.      } else if ((offset = (glyph - GLYPH_BODY_OFF)) >= 0) {	/* a corpse */
149.  	ch = oc_syms[(int)objects[CORPSE].oc_class];
150.  #ifdef ROGUE_COLOR
151.  	if (HAS_ROGUE_IBM_GRAPHICS && iflags.use_color)
152.  	    color = CLR_RED;
153.  	else
154.  #endif
155.  	    mon_color(offset);
156.  	    special |= MG_CORPSE;
157.      } else if ((offset = (glyph - GLYPH_DETECT_OFF)) >= 0) {	/* mon detect */
158.  	ch = monsyms[(int)mons[offset].mlet];
159.  #ifdef ROGUE_COLOR
160.  	if (HAS_ROGUE_IBM_GRAPHICS)
161.  	    color = NO_COLOR;	/* no need to check iflags.use_color */
162.  	else
163.  #endif
164.  	    mon_color(offset);
165.  	/* Disabled for now; anyone want to get reverse video to work? */
166.  	/* is_reverse = TRUE; */
167.  	    special |= MG_DETECT;
168.      } else if ((offset = (glyph - GLYPH_INVIS_OFF)) >= 0) {	/* invisible */
169.  	ch = DEF_INVISIBLE;
170.  #ifdef ROGUE_COLOR
171.  	if (HAS_ROGUE_IBM_GRAPHICS)
172.  	    color = NO_COLOR;	/* no need to check iflags.use_color */
173.  	else
174.  #endif
175.  	    invis_color(offset);
176.  	    special |= MG_INVIS;
177.      } else if ((offset = (glyph - GLYPH_PET_OFF)) >= 0) {	/* a pet */
178.  	ch = monsyms[(int)mons[offset].mlet];
179.  #ifdef ROGUE_COLOR
180.  	if (HAS_ROGUE_IBM_GRAPHICS)
181.  	    color = NO_COLOR;	/* no need to check iflags.use_color */
182.  	else
183.  #endif
184.  	    pet_color(offset);
185.  	    special |= MG_PET;
186.      } else {							/* a monster */
187.  	ch = monsyms[(int)mons[glyph].mlet];
188.  #ifdef ROGUE_COLOR
189.  	if (HAS_ROGUE_IBM_GRAPHICS && iflags.use_color) {
190.  	    if (x == u.ux && y == u.uy)
191.  		/* actually player should be yellow-on-gray if in a corridor */
192.  		color = CLR_YELLOW;
193.  	    else
194.  		color = NO_COLOR;
195.  	} else
196.  #endif
197.  	    mon_color(glyph);
198.      }
199.  
200.  #ifdef TEXTCOLOR
201.      /* Turn off color if no color defined, or rogue level w/o PC graphics. */
202.  # ifdef REINCARNATION
203.  #  ifdef ASCIIGRAPH
204.      if (!has_color(color) || (Is_rogue_level(&u.uz) && !HAS_ROGUE_IBM_GRAPHICS))
205.  #  else
206.      if (!has_color(color) || Is_rogue_level(&u.uz))
207.  #  endif
208.  # else
209.      if (!has_color(color))
210.  # endif
211.  	color = NO_COLOR;
212.  #endif
213.      if (ochar)
214.  	*ochar = (int)ch;
215.      else
216.      	impossible("glyphmap(): Invalid output character buffer.");
217.  
218.      if (ospecial)
219.  	*ospecial = special;
220.      else
221.      	impossible("glyphmap(): Invalid special feature return buffer.");
222.  
223.  #ifdef TEXTCOLOR
224.      if (ocolor)
225.  	*ocolor = color;
226.      else
227.      	impossible("glyphmap(): Invalid color  buffer.");
228.  #endif
229.      return;
230.  }
231.  
232.  /*mapglyph.c*/

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