From 5afab9bcfe9e163219cf6b4317a8914860e3f969 Mon Sep 17 00:00:00 2001
From: Robert Adams
Date: Thu, 27 Dec 2012 16:03:14 -0800
Subject: Add check to always push terse updates for presences that have new
 velocities of zero.

---
 OpenSim/Region/Framework/Scenes/ScenePresence.cs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'OpenSim/Region/Framework/Scenes/ScenePresence.cs')

diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 58721b0..a60c551 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -2335,9 +2335,14 @@ namespace OpenSim.Region.Framework.Scenes
                 // storing a requested force instead of an actual traveling velocity
 
                 // Throw away duplicate or insignificant updates
-                if (!Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE) ||
-                    !Velocity.ApproxEquals(m_lastVelocity, VELOCITY_TOLERANCE) ||
-                    !m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE))
+                if (
+                    // If the velocity has become zero, send it no matter what.
+                       (Velocity != m_lastVelocity && Velocity == Vector3.Zero)
+                    // otherwise, if things have changed reasonably, send the update
+                    || (!Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE)
+                        || !Velocity.ApproxEquals(m_lastVelocity, VELOCITY_TOLERANCE)
+                        || !m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE)))
+
                 {
                     SendTerseUpdateToAllClients();
 
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