Source release of Wolfenstein 3D Classic Platinum for iOS, 1.1

wolf3d/code/env/unix_timer.c

@@ -0,0 +1,67 @@
+/*
+
+	Copyright (C) 2004 Michael Liebscher
+	Copyright (C) 1997-2001 Id Software, Inc.
+
+	This program 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 (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 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.
+
+*/
+
+/*
+ *	unix_timer.c: unix timer. 
+ *	
+ *	Author:	Michael Liebscher <johnnycanuck@users.sourceforge.net>	
+ *	Date:	2004
+ *
+ *	Acknowledgement:
+ *	This code was derived from Quake II, and was originally
+ *	written by Id Software, Inc.
+ *
+ */
+
+#include "../wolfiphone.h"
+
+PUBLIC W32	curtime;
+
+/*
+-----------------------------------------------------------------------------
+ Function: 
+
+ Parameters:
+
+ Returns:
+
+ Notes: 
+-----------------------------------------------------------------------------
+*/
+PUBLIC W32 Sys_Milliseconds( void )
+{
+	struct timeval tp;
+	struct timezone tzp;
+	static int		secbase;
+
+	gettimeofday( &tp, &tzp );
+	
+	if( ! secbase )
+	{
+		secbase = tp.tv_sec;
+		return tp.tv_usec / 1000;
+	}
+
+	curtime = (tp.tv_sec - secbase) * 1000 + tp.tv_usec / 1000;
+	
+	return curtime;
+}