X11: Make statue tiles look like grayscale monsters

sys/unix/Makefile.dat

@@ -31,9 +31,11 @@ all:	$(VARDAT) spec_levs quest_levs dungeon
 	(cd ../util ; $(MAKE) tile2bmp)
 
 x11tiles: ../util/tile2x11 ../win/share/monsters.txt ../win/share/objects.txt \
-				../win/share/other.txt
+				../win/share/other.txt \
+                                ../win/share/monsters.txt
 	../util/tile2x11 ../win/share/monsters.txt ../win/share/objects.txt \
-				../win/share/other.txt
+				../win/share/other.txt \
+                                -grayscale ../win/share/monsters.txt
 
 beostiles: ../util/tile2beos ../win/share/monsters.txt \
 				../win/share/objects.txt \

win/X11/tile2x11.c

@@ -177,7 +177,7 @@ char **argv;
     header.per_row = TILES_PER_ROW;
 
     if (argc == 1) {
-        Fprintf(stderr, "usage: %s txt_file1 [txt_file2 ...]\n", argv[0]);
+        Fprintf(stderr, "usage: %s txt_file1 [txt_file2 ...] [-grayscale txt_fileN]\n", argv[0]);
         exit(1);
     }
 
@@ -190,8 +190,15 @@ char **argv;
     /* don't leave garbage at end of partial row */
     (void) memset((genericptr_t) tile_bytes, 0, sizeof(tile_bytes));
 
-    for (i = 1; i < argc; i++)
+    for (i = 1; i < argc; i++) {
+        if (!strncmp(argv[i], "-grayscale", 10)) {
+            set_grayscale(TRUE);
+            if (i < (argc - 1)) i++;
+        } else {
+            set_grayscale(FALSE);
+        }
         process_file(argv[i]);
+    }
     Fprintf(stderr, "Total tiles: %ld\n", header.ntiles);
 
     /* round size up to the end of the row */

win/share/tile.doc

@@ -57,8 +57,10 @@ boolean read_text_tile(pixel[TILE_Y][TILE_X]);
 boolean write_text_tile(pixel[TILE_Y][TILE_X]);
 	writes tile
 
-There are two additional shared routines provided for writers:
+There are some additional shared routines provided for writers:
 
+void set_grayscale(boolean g);
+	do grayscale color substitutions when reading the tile text file
 void init_colormap();
 	initialize the output colormap from the input one
 	must be called before opening output file as colormap is part of header

win/share/tile.h

@@ -35,6 +35,7 @@ extern boolean FDECL(read_text_tile, (pixel(*) [TILE_X]));
 extern boolean FDECL(write_text_tile, (pixel(*) [TILE_X]));
 extern int NDECL(fclose_text_file);
 
+extern void FDECL(set_grayscale, (boolean));
 extern void NDECL(init_colormap);
 extern void NDECL(merge_colormap);
 

win/share/tilemap.c

@@ -21,7 +21,7 @@ extern void FDECL(exit, (int));
 #endif
 #endif
 
-#if defined(MSDOS) || defined(WIN32)
+#if defined(MSDOS) || defined(WIN32) || defined(X11_GRAPHICS)
 #define STATUES_LOOK_LIKE_MONSTERS
 #endif
 

win/share/tiletext.c

@@ -37,6 +37,20 @@ static void FDECL(write_txttile, (FILE *, pixel (*)[TILE_X]));
     "%[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.] = " \
     "(%d, %d, %d) "
 
+static boolean grayscale = FALSE;
+/* grayscale color mapping */
+static const int graymappings[] = {
+ /* .  A  B   C   D   E   F   G   H   I   J   K   L   M   N   O   P */
+    0, 1, 17, 18, 19, 20, 27, 22, 23, 24, 25, 26, 21, 15, 13, 14, 14
+};
+
+void
+set_grayscale(g)
+boolean g;
+{
+    grayscale = g;
+}
+
 static void
 read_text_colormap(txtfile)
 FILE *txtfile;
@@ -135,6 +149,13 @@ pixel (*pixels)[TILE_X];
                 return FALSE;
             }
             k = color_index[(int) c[0]];
+            if (grayscale) {
+                if (k > (SIZE(graymappings) - 1))
+                    Fprintf(stderr, "Gray mapping issue %d > %d.\n", k,
+                            SIZE(graymappings) - 1);
+                else
+                    k = graymappings[k];
+            }
             if (k == -1)
                 Fprintf(stderr, "color %c not in colormap!\n", c[0]);
             else {