From cdbeb8b83b671df1ffb6bf7890c64a27e4a85730 Mon Sep 17 00:00:00 2001
From: John Hurliman
Date: Wed, 28 Oct 2009 03:21:53 -0700
Subject: Track timestamps when terse updates were last sent for a prim or
 avatar to avoid floating away forever until a key is pressed (deviates from
 SL behavior in a hopefully good way)

---
 OpenSim/Region/Framework/Scenes/SceneObjectPart.cs | 6 +++++-
 OpenSim/Region/Framework/Scenes/ScenePresence.cs   | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Region/Framework')

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 9b11582..e1588ce 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -253,6 +253,7 @@ namespace OpenSim.Region.Framework.Scenes
         protected Vector3 m_lastVelocity;
         protected Vector3 m_lastAcceleration;
         protected Vector3 m_lastAngularVelocity;
+        protected int m_lastTerseSent;
 
         // TODO: Those have to be changed into persistent properties at some later point,
         // or sit-camera on vehicles will break on sim-crossing.
@@ -2395,6 +2396,7 @@ if (m_shape != null) {
         {
             const float VELOCITY_TOLERANCE = 0.01f;
             const float POSITION_TOLERANCE = 0.1f;
+            const int TIME_MS_TOLERANCE = 3000;
 
             if (m_updateFlag == 1)
             {
@@ -2403,7 +2405,8 @@ if (m_shape != null) {
                     Acceleration != m_lastAcceleration ||
                     (Velocity - m_lastVelocity).Length() > VELOCITY_TOLERANCE ||
                     (RotationalVelocity - m_lastAngularVelocity).Length() > VELOCITY_TOLERANCE ||
-                    (OffsetPosition - m_lastPosition).Length() > POSITION_TOLERANCE)
+                    (OffsetPosition - m_lastPosition).Length() > POSITION_TOLERANCE ||
+                    Environment.TickCount - m_lastTerseSent > TIME_MS_TOLERANCE)
                 {
                     AddTerseUpdateToAllAvatars();
                     ClearUpdateSchedule();
@@ -2422,6 +2425,7 @@ if (m_shape != null) {
                     m_lastVelocity = Velocity;
                     m_lastAcceleration = Acceleration;
                     m_lastAngularVelocity = RotationalVelocity;
+                    m_lastTerseSent = Environment.TickCount;
                 }
             }
             else
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 87fac0c..92f00c4 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -96,6 +96,7 @@ namespace OpenSim.Region.Framework.Scenes
         private Vector3 m_lastPosition;
         private Quaternion m_lastRotation;
         private Vector3 m_lastVelocity;
+        private int m_lastTerseSent;
 
         private bool m_updateflag;
         private byte m_movementflag;
@@ -2363,6 +2364,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             const float VELOCITY_TOLERANCE = 0.01f;
             const float POSITION_TOLERANCE = 10.0f;
+            const int TIME_MS_TOLERANCE = 3000;
 
             SendPrimUpdates();
 
@@ -2377,7 +2379,8 @@ namespace OpenSim.Region.Framework.Scenes
                 // Throw away duplicate or insignificant updates
                 if (m_bodyRot != m_lastRotation ||
                     (m_velocity - m_lastVelocity).Length() > VELOCITY_TOLERANCE ||
-                    (m_pos - m_lastPosition).Length() > POSITION_TOLERANCE)
+                    (m_pos - m_lastPosition).Length() > POSITION_TOLERANCE ||
+                    Environment.TickCount - m_lastTerseSent > TIME_MS_TOLERANCE)
                 {
                     SendTerseUpdateToAllClients();
 
@@ -2385,6 +2388,7 @@ namespace OpenSim.Region.Framework.Scenes
                     m_lastPosition = m_pos;
                     m_lastRotation = m_bodyRot;
                     m_lastVelocity = m_velocity;
+                    m_lastTerseSent = Environment.TickCount;
                 }
 
                 // followed suggestion from mic bowman. reversed the two lines below.
-- 
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