1 files changed, 86 insertions, 0 deletions
diff --git a/src/i_timer.c b/src/i_timer.c
new file mode 100644
index 00000000..927f0713
--- /dev/null
+++ b/src/i_timer.c
@@ -0,0 +1,86 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id: i_timer.c 455 2006-03-30 19:08:37Z fraggle $
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 Simon Howard
+//
+// 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.
+//
+// $Log$
+//
+// DESCRIPTION:
+//      Timer functionssss.
+//
+//-----------------------------------------------------------------------------
+
+#include <SDL.h>
+
+#include "i_timer.h"
+
+//
+// I_GetTime
+// returns time in 1/35th second tics
+//
+
+static Uint32 basetime = 0;
+
+int  I_GetTime (void)
+{
+    Uint32 ticks;
+
+    ticks = SDL_GetTicks();
+
+    if (basetime == 0)
+        basetime = ticks;
+
+    ticks -= basetime;
+
+    return (ticks * 35) / 1000;    
+}
+
+//
+// Same as I_GetTime, but returns time in milliseconds
+//
+
+int I_GetTimeMS(void)
+{
+    Uint32 ticks;
+
+    ticks = SDL_GetTicks();
+
+    if (basetime == 0)
+        basetime = ticks;
+
+    return ticks - basetime;
+}
+
+// Sleep for a specified number of ms
+
+void I_Sleep(int ms)
+{
+    SDL_Delay(ms);
+}
+
+
+void I_InitTimer(void)
+{
+    // initialise timer
+
+    SDL_Init(SDL_INIT_TIMER);
+}
+