From e85a6237bfc0f00de4a183e29e515fa5baf1aa7f Mon Sep 17 00:00:00 2001
From: Melanie
Date: Mon, 11 Feb 2013 23:49:05 +0100
Subject: Make keyframes use the sim's frame timer

---
 OpenSim/Region/Framework/Scenes/KeyframeMotion.cs | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

(limited to 'OpenSim/Region/Framework')

diff --git a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
index 6dc6504..75b16dc 100644
--- a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
+++ b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
@@ -27,12 +27,11 @@ namespace OpenSim.Region.Framework.Scenes
         private static Dictionary<Scene, KeyframeTimer>m_timers =
                 new Dictionary<Scene, KeyframeTimer>();
 
-        private Timer m_timer;
         private Dictionary<KeyframeMotion, object> m_motions = new Dictionary<KeyframeMotion, object>();
         private object m_lockObject = new object();
-        private object m_timerLock = new object();
         private const double m_tickDuration = 50.0;
         private Scene m_scene;
+        private int m_prevTick;
 
         public double TickDuration
         {
@@ -41,20 +40,18 @@ namespace OpenSim.Region.Framework.Scenes
 
         public KeyframeTimer(Scene scene)
         {
-            m_timer = new Timer();
-            m_timer.Interval = TickDuration;
-            m_timer.AutoReset = true;
-            m_timer.Elapsed += OnTimer;
+            m_prevTick = Util.EnvironmentTickCount();
 
             m_scene = scene;
 
-            m_timer.Start();
+            m_scene.EventManager.OnFrame += OnTimer;
         }
 
-        private void OnTimer(object sender, ElapsedEventArgs ea)
+        private void OnTimer()
         {
-            if (!Monitor.TryEnter(m_timerLock))
-                return;
+            int thisTick = Util.EnvironmentTickCount();
+            int tickdiff = Util.EnvironmentTickCountSubtract(thisTick, m_prevTick);
+            m_prevTick = thisTick;
 
             try
             {
@@ -69,7 +66,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     try
                     {
-                        m.OnTimer(TickDuration);
+                        m.OnTimer(tickdiff);
                     }
                     catch (Exception inner)
                     {
@@ -81,10 +78,6 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 // Keep running no matter what
             }
-            finally
-            {
-                Monitor.Exit(m_timerLock);
-            }
         }
 
         public static void Add(KeyframeMotion motion)
-- 
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