From f1495cb237d23955a3bba32d9c6978bca4943026 Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Wed, 17 Aug 2016 22:34:21 +0100
Subject: [PATCH] ubOde reduce collision_start latency in same cases (only one
 collision happening and more than 50ms since last)

---
 OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs |  5 ++---
 OpenSim/Region/PhysicsModules/ubOde/ODEPrim.cs      | 13 ++++++-------
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs b/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
index cef7063a2d..c9489d2622 100644
--- a/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
+++ b/OpenSim/Region/PhysicsModules/ubOde/ODECharacter.cs
@@ -1605,18 +1605,17 @@ namespace OpenSim.Region.PhysicsModule.ubOde
                 if (m_cureventsubscription < m_eventsubscription)
                     return;
 
-                m_cureventsubscription = 0;
-
                 int ncolisions = CollisionEventsThisFrame.m_objCollisionList.Count;
 
                 if (!SentEmptyCollisionsEvent || ncolisions > 0)
                 {
                     base.SendCollisionUpdate(CollisionEventsThisFrame);
+                    m_cureventsubscription = 0;
 
                     if (ncolisions == 0)
                     {
                         SentEmptyCollisionsEvent = true;
-                        _parent_scene.RemoveCollisionEventReporting(this);
+//                        _parent_scene.RemoveCollisionEventReporting(this);
                     }
                     else
                     {
diff --git a/OpenSim/Region/PhysicsModules/ubOde/ODEPrim.cs b/OpenSim/Region/PhysicsModules/ubOde/ODEPrim.cs
index 9f62644f67..6f2cbbe5b2 100644
--- a/OpenSim/Region/PhysicsModules/ubOde/ODEPrim.cs
+++ b/OpenSim/Region/PhysicsModules/ubOde/ODEPrim.cs
@@ -1000,9 +1000,9 @@ namespace OpenSim.Region.PhysicsModule.ubOde
 
         public override void AddCollisionEvent(uint CollidedWith, ContactPoint contact)
         {
-
             if (CollisionEventsThisFrame == null)
                 CollisionEventsThisFrame = new CollisionEventUpdate();
+
             CollisionEventsThisFrame.AddCollider(CollidedWith, contact);
             _parent_scene.AddCollisionEventReporting(this);
         }
@@ -1033,28 +1033,27 @@ namespace OpenSim.Region.PhysicsModule.ubOde
             if (CollisionEventsThisFrame == null)
                 return;
 
+            int ncolisions = CollisionEventsThisFrame.m_objCollisionList.Count;
+
             if (m_cureventsubscription < m_eventsubscription)
                 return;
 
-            m_cureventsubscription = 0;
-
-            int ncolisions = CollisionEventsThisFrame.m_objCollisionList.Count;
-
             if (!SentEmptyCollisionsEvent || ncolisions > 0)
             {
                 base.SendCollisionUpdate(CollisionEventsThisFrame);
+                m_cureventsubscription = 0;
 
                 if (ncolisions == 0)
                 {
                     SentEmptyCollisionsEvent = true;
-                    _parent_scene.RemoveCollisionEventReporting(this);
+//                    _parent_scene.RemoveCollisionEventReporting(this);
                 }
                 else if(Body == IntPtr.Zero || d.BodyIsEnabled(Body))
                 {
                     SentEmptyCollisionsEvent = false;
                     CollisionEventsThisFrame.Clear();
                 }
-            }           
+            }
         }
 
         public override bool SubscribedEvents()