X-Git-Url: http://git.pond.sub.org/?p=empserver;a=blobdiff_plain;f=include%2Fmap.h;h=46e627948ec6e78b49a1ddab6000e1a089b99d49;hp=f8d703b3496211ddc284a522700e05b69564cc17;hb=HEAD;hpb=e42053d928a9757f2fc2b9fa58e08be29f963e28

diff --git a/include/map.h b/include/map.h
index f8d703b34..46e627948 100644
--- a/include/map.h
+++ b/include/map.h
@@ -1,11 +1,11 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
- *                           Ken Stevens, Steve McClure
+ *  Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *                Ken Stevens, Steve McClure, Markus Armbruster
  *
- *  This program is free software; you can redistribute it and/or modify
+ *  Empire is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
+ *  the Free Software Foundation, either version 3 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
@@ -14,8 +14,7 @@
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  *  ---
  *
@@ -26,9 +25,9 @@
  *  ---
  *
  *  map.h: Definitions for making maps
- * 
+ *
  *  Known contributors to this file:
- *  
+ *
  */
 
 #ifndef MAP_H
@@ -36,21 +35,35 @@
 
 #include "types.h"
 
-#define	MAPWIDTH(persec) ((WORLD_X/2) * ((persec) + 1) + 1)
+/*
+ * Width of the body of a map using @persec characters per sector.
+ *
+ * One row shows WORLD_X/2 sectors, separated by one space.  Requires
+ * WORLD_X/2 * (@persec+1) - 1 characters.
+ *
+ * Every other row is indented so that the center of the first sector
+ * is aligned with the space separating the first two sectors in the
+ * adjacent rows.  For odd @persec, that's (@persec+1)/2 additional
+ * characters.  For even @persec, it's either @persec/2 or @persec/2 + 1,
+ * depending on whether we align the character left or right of the
+ * center with the space (the map will look rather odd either way).
+ *
+ * We need one more character for the terminating zero.
+ */
+#define MAPWIDTH(persec) (WORLD_X/2 * ((persec) + 1) + ((persec) + 2) / 2)
 
-extern void blankfill(char *, struct range *, int);
 /* src/lib/subs/bigmap.c */
 extern int map_set(natid, coord, coord, char, int);
 extern void writebmap(natid);
 extern void writemap(natid);
 /* src/lib/subs/border.c */
+extern void blankfill(char *, struct range *, int);
 extern void border(struct range *, char *, char *);
-
-#define MAP_PLANE	bit(0) /* this order must match */
-#define MAP_SHIP	bit(1) /* priority of the map and */
-#define MAP_LAND	bit(2) /* ef_unit_list */
-#define MAP_NUKE	bit(3)
-#define MAP_HIGH	bit(4)
-#define MAP_ALL		MAP_SHIP | MAP_LAND | MAP_PLANE | MAP_NUKE
+/* src/lib/subs/maps.c */
+extern int do_map(int bmap, int unit_type, char *arg1, char *arg2);
+extern int display_region_map(int, int, coord, coord, char *, char *);
+extern int nav_map(int, int, int);
+extern int bmaps_intersect(natid, natid);
+extern int share_bmap(natid, natid, struct nstr_sect *, char, char *);
 
 #endif