Clive Crous' Dark Room patch

This patch adds a new glyph that represents dark parts of room,
splitting the dual functionality of the "unexplored/dark area" glyph.

src/display.c

@@ -764,11 +764,11 @@ newsym(x,y)
 	 * These checks and changes must be here and not in back_to_glyph().
 	 * They are dependent on the position being out of sight.
 	 */
-	else if (!lev->waslit) {
+	else if (!lev->waslit || (flags.dark_room && iflags.use_color)) {
 	    if (lev->glyph == cmap_to_glyph(S_litcorr) && lev->typ == CORR)
 		show_glyph(x, y, lev->glyph = cmap_to_glyph(S_corr));
 	    else if (lev->glyph == cmap_to_glyph(S_room) && lev->typ == ROOM)
-		show_glyph(x, y, lev->glyph = cmap_to_glyph(S_stone));
+		show_glyph(x, y, lev->glyph = cmap_to_glyph(DARKROOMSYM));
 	    else
 		goto show_mem;
 	} else {

src/do_name.c

@@ -238,6 +238,7 @@ const char *goal;
 				if (glyph_is_cmap(k) &&
 				    (IS_DOOR(levl[tx][ty].typ) ||
 				     glyph_to_cmap(k) == S_room ||
+				     glyph_to_cmap(k) == S_darkroom ||
 				     glyph_to_cmap(k) == S_corr ||
 				     glyph_to_cmap(k) == S_litcorr)) {
 				    /* what the hero remembers to be at tx,ty */

src/drawing.c

@@ -156,7 +156,8 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'#', "iron bars",	C(HI_METAL)},	/* bars */
 	{'#', "tree",		C(CLR_GREEN)},	/* tree */
 	{'.', "floor of a room",C(CLR_GRAY)},	/* room */
-/*20*/	{'#', "corridor",	C(CLR_GRAY)},	/* dark corr */
+/*20*/	{'.', "dark part of a room",C(CLR_BLACK)},	/* dark room */
+	{'#', "corridor",	C(CLR_GRAY)},	/* dark corr */
 	{'#', "lit corridor",	C(CLR_GRAY)},	/* lit corr (see mapglyph.c) */
 	{'<', "staircase up",	C(CLR_GRAY)},	/* upstair */
 	{'>', "staircase down",	C(CLR_GRAY)},	/* dnstair */
@@ -165,8 +166,8 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'_', "altar",		C(CLR_GRAY)},	/* altar */
 	{'|', "grave",      C(CLR_GRAY)},   	/* grave */
 	{'\\', "opulent throne",C(HI_GOLD)},	/* throne */
-	{'#', "sink",		C(CLR_GRAY)},	/* sink */
-/*30*/	{'{', "fountain",	C(CLR_BLUE)},	/* fountain */
+/*30*/	{'#', "sink",		C(CLR_GRAY)},	/* sink */
+	{'{', "fountain",	C(CLR_BLUE)},	/* fountain */
 	{'}', "water",		C(CLR_BLUE)},	/* pool */
 	{'.', "ice",		C(CLR_CYAN)},	/* ice */
 	{'}', "molten lava",	C(CLR_RED)},	/* lava */
@@ -175,8 +176,8 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'#', "raised drawbridge",C(CLR_BROWN)},	/* vcdbridge */
 	{'#', "raised drawbridge",C(CLR_BROWN)},	/* hcdbridge */
 	{' ', "air",		C(CLR_CYAN)},	/* open air */
-	{'#', "cloud",		C(CLR_GRAY)},	/* [part of] a cloud */
-/*40*/	{'}', "water",		C(CLR_BLUE)},	/* under water */
+/*40*/	{'#', "cloud",		C(CLR_GRAY)},	/* [part of] a cloud */
+	{'}', "water",		C(CLR_BLUE)},	/* under water */
 	{'^', "arrow trap",	C(HI_METAL)},	/* trap */
 	{'^', "dart trap",	C(HI_METAL)},	/* trap */
 	{'^', "falling rock trap",C(CLR_GRAY)},	/* trap */
@@ -185,8 +186,8 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'^', "land mine",	C(CLR_RED)},	/* trap */
 	{'^', "rolling boulder trap",	C(CLR_GRAY)},	/* trap */
 	{'^', "sleeping gas trap",C(HI_ZAP)},	/* trap */
-	{'^', "rust trap",	C(CLR_BLUE)},	/* trap */
-/*50*/	{'^', "fire trap",	C(CLR_ORANGE)},	/* trap */
+/*50*/	{'^', "rust trap",	C(CLR_BLUE)},	/* trap */
+	{'^', "fire trap",	C(CLR_ORANGE)},	/* trap */
 	{'^', "pit",		C(CLR_BLACK)},	/* trap */
 	{'^', "spiked pit",	C(CLR_BLACK)},	/* trap */
 	{'^', "hole",		C(CLR_BROWN)},	/* trap */
@@ -195,8 +196,8 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'^', "level teleporter", C(CLR_MAGENTA)},	/* trap */
 	{'^', "magic portal",	C(CLR_BRIGHT_MAGENTA)},	/* trap */
 	{'"', "web",		C(CLR_GRAY)},	/* web */
-	{'^', "statue trap",	C(CLR_GRAY)},	/* trap */
-/*60*/	{'^', "magic trap",	C(HI_ZAP)},	/* trap */
+/*60*/	{'^', "statue trap",	C(CLR_GRAY)},	/* trap */
+	{'^', "magic trap",	C(HI_ZAP)},	/* trap */
 	{'^', "anti-magic field", C(HI_ZAP)},	/* trap */
 	{'^', "polymorph trap",	C(CLR_BRIGHT_GREEN)},	/* trap */
 	{'|', "wall",		C(CLR_GRAY)},	/* vbeam */
@@ -205,8 +206,8 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'/', "wall",		C(CLR_GRAY)},	/* rslant */
 	{'*', "",		C(CLR_WHITE)},	/* dig beam */
 	{'!', "",		C(CLR_WHITE)},	/* camera flash beam */
-	{')', "",		C(HI_WOOD)},	/* boomerang open left */
-/*70*/	{'(', "",		C(HI_WOOD)},	/* boomerang open right */
+/*70*/	{')', "",		C(HI_WOOD)},	/* boomerang open left */
+	{'(', "",		C(HI_WOOD)},	/* boomerang open right */
 	{'0', "",		C(HI_ZAP)},	/* 4 magic shield symbols */
 	{'#', "",		C(HI_ZAP)},
 	{'@', "",		C(HI_ZAP)},
@@ -215,20 +216,20 @@ const struct symdef defsyms[MAXPCHARS] = {
 	{'?', "valid position",	C(CLR_BRIGHT_GREEN)},	/* valid position for targeting */
 	{'/', "",		C(CLR_GREEN)},	/* swallow top left	*/
 	{'-', "",		C(CLR_GREEN)},	/* swallow top center	*/
-	{'\\', "",		C(CLR_GREEN)},	/* swallow top right	*/
+/*80*/	{'\\', "",		C(CLR_GREEN)},	/* swallow top right	*/
 	{'|', "",		C(CLR_GREEN)},	/* swallow middle left	*/
 	{'|', "",		C(CLR_GREEN)},	/* swallow middle right	*/
-/*80*/	{'\\', "",		C(CLR_GREEN)},	/* swallow bottom left	*/
+	{'\\', "",		C(CLR_GREEN)},	/* swallow bottom left	*/
 	{'-', "",		C(CLR_GREEN)},	/* swallow bottom center*/
 	{'/', "",		C(CLR_GREEN)},	/* swallow bottom right	*/
 	{'/', "",		C(CLR_ORANGE)},	/* explosion top left     */
 	{'-', "",		C(CLR_ORANGE)},	/* explosion top center   */
 	{'\\', "",		C(CLR_ORANGE)},	/* explosion top right    */
 	{'|', "",		C(CLR_ORANGE)},	/* explosion middle left  */
-	{' ', "",		C(CLR_ORANGE)},	/* explosion middle center*/
+/*90*/	{' ', "",		C(CLR_ORANGE)},	/* explosion middle center*/
 	{'|', "",		C(CLR_ORANGE)},	/* explosion middle right */
 	{'\\', "",		C(CLR_ORANGE)},	/* explosion bottom left  */
-/*90*/	{'-', "",		C(CLR_ORANGE)},	/* explosion bottom center*/
+	{'-', "",		C(CLR_ORANGE)},	/* explosion bottom center*/
 	{'/', "",		C(CLR_ORANGE)},	/* explosion bottom right */
 };
 

src/mapglyph.c

@@ -116,7 +116,7 @@ unsigned *ospecial;
 		color = CLR_MAGENTA;
 	    else if (offset == S_corr || offset == S_litcorr)
 		color = CLR_GRAY;
-	    else if (offset >= S_room && offset <= S_water)
+	    else if (offset >= S_room && offset <= S_water && offset != S_darkroom)
 		color = CLR_GREEN;
 	    else
 		color = NO_COLOR;

src/options.c

@@ -105,6 +105,7 @@ static struct Bool_Opt
 	{"color",	  &iflags.wc_color, FALSE, SET_IN_GAME},	/*WC*/
 # endif
 	{"confirm",&flags.confirm, TRUE, SET_IN_GAME},
+	{"dark_room", &flags.dark_room, TRUE, SET_IN_GAME},
 	{"eight_bit_tty", &iflags.wc_eight_bit_input, FALSE, SET_IN_GAME},	/*WC*/
 #ifdef TTY_GRAPHICS
 	{"extmenu", &iflags.extmenu, FALSE, SET_IN_GAME},
@@ -496,6 +497,35 @@ STATIC_OVL boolean FDECL(wc2_supported, (const char *));
 STATIC_DCL void FDECL(remove_autopickup_exception, (struct autopickup_exception *));
 STATIC_OVL int FDECL(count_ape_maps, (int *, int *));
 
+
+void
+reglyph_darkroom()
+{
+    xchar x,y;
+    for (x = 0; x < COLNO; x++)
+        for (y = 0; y < ROWNO; y++) {
+	    struct rm *lev = &levl[x][y];
+	    if (!flags.dark_room) {
+		if (lev->glyph == cmap_to_glyph(S_darkroom))
+		    lev->glyph = lev->waslit ? cmap_to_glyph(S_room) : cmap_to_glyph(S_stone);
+	    } else {
+		if (lev->glyph == cmap_to_glyph(S_room) &&
+		    lev->seenv &&
+		    lev->waslit && !cansee(x,y))
+		    lev->glyph = cmap_to_glyph(S_darkroom);
+		else if (lev->glyph == cmap_to_glyph(S_stone) &&
+			 lev->typ == ROOM &&
+			 lev->seenv &&
+			 !cansee(x,y))
+			 lev->glyph = cmap_to_glyph(S_darkroom);
+	    }
+	}
+    if (flags.dark_room && iflags.use_color)
+	showsyms[S_darkroom]=showsyms[S_room];
+    else
+	showsyms[S_darkroom]=showsyms[S_stone];
+}
+
 /* check whether a user-supplied option string is a proper leading
    substring of a particular option name; option string might have
    a colon or equals sign and arbitrary value appended to it */
@@ -704,6 +734,8 @@ initoptions_finish()
 	/* result in the player's preferred fruit [better than "\033"].	*/
 	obj_descr[SLIME_MOLD].oc_name = "fruit";
 
+	reglyph_darkroom();
+
 	return;
 }
 
@@ -2810,7 +2842,8 @@ goodfruit:
 			else if ((boolopt[i].addr) == &flags.invlet_constant) {
 			    if (flags.invlet_constant) reassign();
 			}
-			else if ((boolopt[i].addr) == &flags.lit_corridor) {
+			else if (((boolopt[i].addr) == &flags.lit_corridor) ||
+				 ((boolopt[i].addr) == &flags.dark_room)) {
 			    /*
 			     * All corridor squares seen via night vision or
 			     * candles & lamps change.  Update them by calling
@@ -2820,6 +2853,7 @@ goodfruit:
 			     */
 			    vision_recalc(2);		/* shut down vision */
 			    vision_full_recalc = 1;	/* delayed recalc */
+			    if (iflags.use_color) need_redraw = TRUE;  /* darkroom refresh */
 			}
 			else if ((boolopt[i].addr) == &iflags.use_inverse ||
 					(boolopt[i].addr) == &flags.showrace ||
@@ -3149,8 +3183,10 @@ doset()
 	}
 
 	destroy_nhwindow(tmpwin);
-	if (need_redraw)
+	if (need_redraw) {
+	    reglyph_darkroom();
 	    (void) doredraw();
+	}
 	return 0;
 }
 

src/pager.c

@@ -250,7 +250,7 @@ lookat(x, y, buf, monbuf)
 	int tnum = what_trap(glyph_to_trap(glyph));
 	Strcpy(buf, defsyms[trap_to_defsym(tnum)].explanation);
     } else if(!glyph_is_cmap(glyph)) {
-	Strcpy(buf,"dark part of a room");
+	Strcpy(buf,"unexplored area");
     } else switch(glyph_to_cmap(glyph)) {
     case S_altar:
 	Sprintf(buf, "%s %saltar",
@@ -557,8 +557,8 @@ const char **firstmatch;
 	x_str = defsyms[i].explanation;
 	if (sym == ((looked) ?
 		    showsyms[i] : defsyms[i].sym) && *x_str) {
-	    /* avoid "an air", "a water", or "a floor of a room" */
-	    int article = (i == S_room) ? 2 :		/* 2=>"the" */
+	    /* avoid "an air", "a water", "a floor of a room", "a dark part of a room"  */
+	    int article = ((i == S_room)||(i == S_darkroom)) ? 2 :	/* 2=>"the" */
 		!(strcmp(x_str, "air") == 0 ||	/* 1=>"an"  */
 		  strcmp(x_str, "water") == 0);	/* 0=>(none)*/