/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* ---
*
* map.h: Definitions for making maps
- *
+ *
* Known contributors to this file:
- *
+ *
*/
#ifndef MAP_H
#define MAP_H
-#include "misc.h"
-#include "xy.h"
+#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_SHIP bit(0)
-#define MAP_LAND bit(1)
-#define MAP_PLANE bit(2)
+#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