Update copyright notice

[empserver] / src / lib / common / xy.c

diff --git a/src/lib/common/xy.c b/src/lib/common/xy.c
index 150828a20eab038261d4b0c092a8d12362b8f050..2a47ddda48cee63c5e65499e67b8de99a83d6e66 100644 (file)
--- a/src/lib/common/xy.c
+++ b/src/lib/common/xy.c
@@ -1,6 +1,6 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *  Copyright (C) 1986-2015, Dave Pare, Jeff Bailey, Thomas Ruschak,
  *                Ken Stevens, Steve McClure, Markus Armbruster
  *
  *  Empire is free software: you can redistribute it and/or modify
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Dave Pare, 1989
- *     Markus Armbruster, 2004-2011
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>
@@ -208,6 +208,12 @@ sctoff(coord x, coord y)
     return XYOFFSET(XNORM(x), YNORM(y));
 }
 
+void sctoff2xy(coord *x, coord *y, int off)
+{
+    *y = off * 2 / WORLD_X;
+    *x = off * 2 % WORLD_X + *y % 2;
+}
+
 coord
 xnorm(coord x)
 {