/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2014, 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,
* 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/>.
*
* ---
*
extern char *ownxy(struct sctstr *sp);
extern coord xrel(struct natstr *np, coord absx);
extern coord yrel(struct natstr *np, coord absy);
-extern void xyrelrange(struct natstr *np, struct range *src,
- struct range *dst);
-extern void xyabsrange(struct natstr *np, struct range *src,
- struct range *dst);
+extern void xyrelrange(struct natstr *, struct range *, struct range *);
+extern void xyabsrange(struct natstr *, struct range *, struct range *);
+extern void xydist_range(coord, coord, int, struct range *);
+extern void xysize_range(struct range *);
extern coord strtox(char *str, char **end);
extern coord strtoy(char *str, char **end);
extern coord xabs(struct natstr *np, coord relx);
extern coord yabs(struct natstr *np, coord rely);
+extern int sctoff(coord x, coord y);
+extern void sctoff2xy(coord *, coord *, int);
extern coord xnorm(coord x);
extern coord ynorm(coord y);
extern int xyinrange(coord x, coord y, struct range *rp);