3 files changed, 55 insertions, 62 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 4e90d09..9a3b0c9 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -348,6 +348,7 @@ namespace OpenSim.Region.Framework.Scenes
         private int m_update_backup = 200;
         private int m_update_terrain = 50;
         private int m_update_land = 1;
+        private int m_update_coarse_locations = 50;
 
         private int frameMS;
         private int physicsMS2;
@@ -1417,6 +1418,18 @@ namespace OpenSim.Region.Framework.Scenes
                     if (m_frame % m_update_presences == 0)
                         m_sceneGraph.UpdatePresences();
 
+                    if (m_frame % m_update_coarse_locations == 0)
+                    {
+                        List<Vector3> coarseLocations;
+                        List<UUID> avatarUUIDs;
+                        SceneGraph.GetCoarseLocations(out coarseLocations, out avatarUUIDs, 60);
+                        // Send coarse locations to clients 
+                        ForEachScenePresence(delegate(ScenePresence presence)
+                        {
+                            presence.SendCoarseLocations(coarseLocations, avatarUUIDs);
+                        });
+                    }
+
                     int tmpPhysicsMS2 = Util.EnvironmentTickCount();
                     if ((m_frame % m_update_physics == 0) && m_physics_enabled)
                         m_sceneGraph.UpdatePreparePhysics();
@@ -3301,9 +3314,6 @@ namespace OpenSim.Region.Framework.Scenes
                         catch (NullReferenceException) { }
                     });
 
-                ForEachScenePresence(
-                    delegate(ScenePresence presence) { presence.CoarseLocationChange(); });
-
                 IAgentAssetTransactions agentTransactions = this.RequestModuleInterface<IAgentAssetTransactions>();
                 if (agentTransactions != null)
                 {
@@ -3355,14 +3365,6 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        /// <summary>
-        /// Inform all other ScenePresences on this Scene that someone else has changed position on the minimap.
-        /// </summary>
-        public void NotifyMyCoarseLocationChange()
-        {
-            ForEachScenePresence(delegate(ScenePresence presence) { presence.CoarseLocationChange(); });
-        }
-
         #endregion
 
         #region Entities
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 5902080..673674d 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -206,6 +206,43 @@ namespace OpenSim.Region.Framework.Scenes
             });
         }
 
+        public void GetCoarseLocations(out List<Vector3> coarseLocations, out List<UUID> avatarUUIDs, uint maxLocations)
+        {
+            coarseLocations = new List<Vector3>();
+            avatarUUIDs = new List<UUID>();
+
+            List<ScenePresence> presences = GetScenePresences();
+            for (int i = 0; i < Math.Min(presences.Count, maxLocations); ++i)
+            {
+                ScenePresence sp = presences[i];
+                // If this presence is a child agent, we don't want its coarse locations
+                if (sp.IsChildAgent)
+                    return;
+
+                if (sp.ParentID != 0)
+                {
+                    // sitting avatar
+                    SceneObjectPart sop = m_parentScene.GetSceneObjectPart(sp.ParentID);
+                    if (sop != null)
+                    {
+                        coarseLocations.Add(sop.AbsolutePosition + sp.AbsolutePosition);
+                        avatarUUIDs.Add(sp.UUID);
+                    }
+                    else
+                    {
+                        // we can't find the parent..  ! arg!
+                        coarseLocations.Add(sp.AbsolutePosition);
+                        avatarUUIDs.Add(sp.UUID);
+                    }
+                }
+                else
+                {
+                    coarseLocations.Add(sp.AbsolutePosition);
+                    avatarUUIDs.Add(sp.UUID);
+                }
+            }
+        }
+
         #endregion
 
         #region Entity Methods
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 45375b0..15b9446 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -65,7 +65,7 @@ namespace OpenSim.Region.Framework.Scenes
         public ScriptControlled eventControls;
     }
 
-    public delegate void SendCourseLocationsMethod(UUID scene, ScenePresence presence);
+    public delegate void SendCourseLocationsMethod(UUID scene, ScenePresence presence, List<Vector3> coarseLocations, List<UUID> avatarUUIDs);
 
     public class ScenePresence : EntityBase, ISceneEntity
     {
@@ -173,8 +173,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         public string JID = String.Empty;
 
-        // Agent moves with a PID controller causing a force to be exerted.
-        private bool m_newCoarseLocations = true;
         private float m_health = 100f;
 
         // Default AV Height
@@ -2296,12 +2294,6 @@ namespace OpenSim.Region.Framework.Scenes
 
             SendPrimUpdates();
 
-            if (m_newCoarseLocations)
-            {
-                SendCoarseLocations();
-                m_newCoarseLocations = false;
-            }
-
             if (m_isChildAgent == false)
             {
 //                PhysicsActor actor = m_physicsActor;
@@ -2375,12 +2367,12 @@ namespace OpenSim.Region.Framework.Scenes
             m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
-        public void SendCoarseLocations()
+        public void SendCoarseLocations(List<Vector3> coarseLocations, List<UUID> avatarUUIDs)
         {
             SendCourseLocationsMethod d = m_sendCourseLocationsMethod;
             if (d != null)
             {
-                d.Invoke(m_scene.RegionInfo.originRegionID, this);
+                d.Invoke(m_scene.RegionInfo.originRegionID, this, coarseLocations, avatarUUIDs);
             }
         }
 
@@ -2390,50 +2382,13 @@ namespace OpenSim.Region.Framework.Scenes
                 m_sendCourseLocationsMethod = d;
         }
 
-        public void SendCoarseLocationsDefault(UUID sceneId, ScenePresence p)
+        public void SendCoarseLocationsDefault(UUID sceneId, ScenePresence p, List<Vector3> coarseLocations, List<UUID> avatarUUIDs)
         {
             m_perfMonMS = Util.EnvironmentTickCount();
-
-            List<Vector3> CoarseLocations = new List<Vector3>();
-            List<UUID> AvatarUUIDs = new List<UUID>();
-            m_scene.ForEachScenePresence(delegate(ScenePresence sp)
-            {
-                if (sp.IsChildAgent)
-                    return;
-
-                if (sp.ParentID != 0)
-                {
-                    // sitting avatar
-                    SceneObjectPart sop = m_scene.GetSceneObjectPart(sp.ParentID);
-                    if (sop != null)
-                    {
-                        CoarseLocations.Add(sop.AbsolutePosition + sp.m_pos);
-                        AvatarUUIDs.Add(sp.UUID);
-                    }
-                    else
-                    {
-                        // we can't find the parent..  ! arg!
-                        CoarseLocations.Add(sp.m_pos);
-                        AvatarUUIDs.Add(sp.UUID);
-                    }
-                }
-                else
-                {
-                    CoarseLocations.Add(sp.m_pos);
-                    AvatarUUIDs.Add(sp.UUID);
-                }
-            });
-
-            m_controllingClient.SendCoarseLocationUpdate(AvatarUUIDs, CoarseLocations);
-
+            m_controllingClient.SendCoarseLocationUpdate(avatarUUIDs, coarseLocations);
             m_scene.StatsReporter.AddAgentTime(Util.EnvironmentTickCountSubtract(m_perfMonMS));
         }
 
-        public void CoarseLocationChange()
-        {
-            m_newCoarseLocations = true;
-        }
-
         /// <summary>
         /// Tell other client about this avatar (The client previously didn't know or had outdated details about this avatar)
         /// </summary>
@@ -2668,7 +2623,6 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 posLastSignificantMove = AbsolutePosition;
                 m_scene.EventManager.TriggerSignificantClientMovement(m_controllingClient);
-                m_scene.NotifyMyCoarseLocationChange();
             }
 
             // Minimum Draw distance is 64 meters, the Radius of the draw distance sphere is 32m