Index: src/map/script.c
===================================================================
--- src/map/script.c	(revision 14995)
+++ src/map/script.c	(working copy)
@@ -7578,6 +7578,25 @@
 	return 0;
 }
 
+/// Checks if the player is sitting
+///
+/// is_sitting() -> <bool>
+BUILDIN_FUNC(is_sitting)
+{
+	TBL_PC* sd;
+
+	sd = script_rid2sd(st);
+	if (sd == NULL)
+		return 0;// no player attached, report source
+
+	if (pc_issit(sd))
+		script_pushint(st, 1);
+	else
+		script_pushint(st, 0);
+
+	return 0;
+}
+
 /// Sets the save point of the player.
 ///
 /// save "<map name>",<x>,<y>
@@ -15062,6 +15081,7 @@
 	BUILDIN_DEF(checkfalcon,""),
 	BUILDIN_DEF(setriding,"?"),
 	BUILDIN_DEF(checkriding,""),
+	BUILDIN_DEF(is_sitting,""),
 	BUILDIN_DEF2(savepoint,"save","sii"),
 	BUILDIN_DEF(savepoint,"sii"),
 	BUILDIN_DEF(gettimetick,"i"),