From 5d37f0471ea504b1426536987d05c7d64dd199ae Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Tue, 25 Oct 2011 22:19:17 +0100
Subject: For ScenePresence collision events, instead of creating a new
 CollisionEventsThisFrame every time we need to send some new ones, reuse the
 existing one instead.

This assumes that the listener is using the data synchronously, which is currently the case.
---
 OpenSim/Region/Physics/Manager/PhysicsActor.cs   | 8 ++++++++
 OpenSim/Region/Physics/OdePlugin/ODECharacter.cs | 8 +++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

(limited to 'OpenSim/Region/Physics')

diff --git a/OpenSim/Region/Physics/Manager/PhysicsActor.cs b/OpenSim/Region/Physics/Manager/PhysicsActor.cs
index 96dcfb6..1659ebd 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsActor.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsActor.cs
@@ -113,6 +113,14 @@ namespace OpenSim.Region.Physics.Manager
                     m_objCollisionList[localID] = contact;
             }
         }
+
+        /// <summary>
+        /// Clear added collision events.
+        /// </summary>
+        public void Clear()
+        {
+            m_objCollisionList.Clear();
+        }
     }
 
     public abstract class PhysicsActor
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index e9bab66..55e14bc 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -1235,11 +1235,9 @@ namespace OpenSim.Region.Physics.OdePlugin
         {
             if (m_eventsubscription > m_requestedUpdateFrequency)
             {
-                if (CollisionEventsThisFrame != null)
-                {
-                    base.SendCollisionUpdate(CollisionEventsThisFrame);
-                }
-                CollisionEventsThisFrame = new CollisionEventUpdate();
+                base.SendCollisionUpdate(CollisionEventsThisFrame);
+
+                CollisionEventsThisFrame.Clear();
                 m_eventsubscription = 0;
             }
         }
-- 
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