From 568f213de8ef6f42f5e695df0424bcf6a6f6bfff Mon Sep 17 00:00:00 2001
From: helixhorned <helixhorned@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Wed, 25 Jul 2012 18:56:15 +0000
Subject: [PATCH] Add gethitickms() to the Windows layer.

git-svn-id: https://svn.eduke32.com/eduke32@2848 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/sdlayer.c  |  1 -
 polymer/eduke32/build/src/winlayer.c | 12 ++++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/polymer/eduke32/build/src/sdlayer.c b/polymer/eduke32/build/src/sdlayer.c
index 15a311a7a..cd8ffbce7 100644
--- a/polymer/eduke32/build/src/sdlayer.c
+++ b/polymer/eduke32/build/src/sdlayer.c
@@ -878,7 +878,6 @@ uint64_t gethitickspersec(void)
 #endif
 }
 
-// TODO: winlayer too
 // Returns the time since an unspecified starting time in milliseconds.
 // (May be not monotonic for certain configurations.)
 ATTRIBUTE((flatten))
diff --git a/polymer/eduke32/build/src/winlayer.c b/polymer/eduke32/build/src/winlayer.c
index dc39b582f..cccc30de7 100644
--- a/polymer/eduke32/build/src/winlayer.c
+++ b/polymer/eduke32/build/src/winlayer.c
@@ -1558,6 +1558,7 @@ static const char *GetDInputError(HRESULT code)
 static int64_t timerfreq=0;
 static int32_t timerlastsample=0;
 int32_t timerticspersec=0;
+static double hiticksperms = 1e308;
 static void (*usertimercallback)(void) = NULL;
 
 //  This timer stuff is all Ken's idea.
@@ -1602,6 +1603,8 @@ int32_t inittimer(int32_t tickspersecond)
 
     usertimercallback = NULL;
 
+    hiticksperms = (double)gethitickspersec() / 1000;
+
     return 0;
 }
 
@@ -1614,6 +1617,8 @@ void uninittimer(void)
 
     timerfreq=0;
     timerticspersec = 0;
+
+    hiticksperms = 1e308;
 }
 
 //
@@ -1663,6 +1668,13 @@ uint64_t gethitickspersec(void)
     return timerfreq;
 }
 
+// Returns the time since an unspecified starting time in milliseconds.
+ATTRIBUTE((flatten))
+double gethitickms(void)
+{
+    return (double)gethiticks() / hiticksperms;
+}
+
 //
 // gettimerfreq() -- returns the number of ticks per second the timer is configured to generate
 //