--- deliantra/server/include/traits.h	2007/01/13 23:06:13	1.12
+++ deliantra/server/include/traits.h	2016/11/16 23:42:01	1.31
@@ -1,3 +1,27 @@
+/*
+ * This file is part of Deliantra, the Roguelike Realtime MMORPG.
+ *
+ * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
+ *
+ * Deliantra is free software: you can redistribute it and/or modify it under
+ * the terms of the Affero GNU General Public License as published by 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,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the Affero GNU General Public License
+ * and the GNU General Public License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * The authors can be reached via e-mail to <support@deliantra.net>
+ */
+
+/* define traits (actually just types at the moment) for basic types */
+
 #ifndef TRAITS_H__
 #define TRAITS_H__
 
@@ -12,6 +36,28 @@
 typedef int64_t		sint64;
 typedef uint64_t	uint64;
 
+typedef uint32		weight_t;
+typedef sint64		volume_t;
+typedef uint32		tick_t;
+typedef uint16		faceidx;
+
+inline weight_t
+weight_to_kg_approx (weight_t w)
+{
+  // we divide by 1024, because otherwise we need a 64 bit multiply
+  return w >> 10;
+}
+
+const int sint32_digits = 11; // number of digits an sint32 uses max.
+const int sint64_digits = 20;
+
+typedef char *octet_string;
+typedef char *utf8_string;
+typedef char *any_string;
+typedef const char *const_octet_string;
+typedef const char *const_utf8_string;
+typedef const char *const_any_string;
+
 struct client_container;
 struct client;
 struct player;
@@ -23,6 +69,12 @@
 struct party;
 struct treasurelist;
 struct random_map_params;
+struct faceinfo;
+struct mapxy;
+struct materialtype_t;
+
+typedef object  object_ornull;
+typedef maptile maptile_ornull;
 
 // could have used templates, but a more traditional C api
 // uses more explicit typing which is ok for this purpose.