4 files changed, 105 insertions, 35 deletions

diff --git a/OpenSim/Region/Environment/Scenes/InnerScene.cs b/OpenSim/Region/Environment/Scenes/InnerScene.cs
index 9aa3f20..6c0ed28 100644
--- a/OpenSim/Region/Environment/Scenes/InnerScene.cs
+++ b/OpenSim/Region/Environment/Scenes/InnerScene.cs
@@ -537,20 +537,24 @@ namespace OpenSim.Region.Environment.Scenes
                     // the initial update for and what we'll use to limit the 
                     // space we check for new objects on movement.
 
-                    if (presence.IsChildAgent)
+                    if (presence.IsChildAgent && m_parentScene.m_sendTasksToChild)
                     {
-                        //Vector3 avPosition = new Vector3(presence.AbsolutePosition.X,presence.AbsolutePosition.Y,presence.AbsolutePosition.Z);
-                        //LLVector3 oLoc = ((SceneObjectGroup)ent).AbsolutePosition;
-                        //Vector3 objPosition = new Vector3(oLoc.X,oLoc.Y,oLoc.Z);
-                        //float distResult = Vector3Distance(avPosition, objPosition);
-                        //if (distResult > 512)
-                        //{
-                        //int x = 0;
-                        //}
-                        //if (distResult < presence.DrawDistance)
-                        //{
-                        ((SceneObjectGroup) ent).ScheduleFullUpdateToAvatar(presence);
-                        //}
+                        LLVector3 oLoc = ((SceneObjectGroup)ent).AbsolutePosition;
+                        float distResult = (float)Util.GetDistanceTo(presence.AbsolutePosition,oLoc);
+
+                        //MainLog.Instance.Verbose("DISTANCE", distResult.ToString());
+
+                        if (distResult > 60)
+                        {
+                            int x = 0;
+                        }
+                        if (distResult < presence.DrawDistance)
+                        {
+                            // Send Only if we don't already know about it.
+                            // KnownPrim also makes the prim known when called.
+                            if (!presence.KnownPrim(((SceneObjectGroup) ent).UUID))
+                                ((SceneObjectGroup) ent).ScheduleFullUpdateToAvatar(presence);
+                        }
                     }
                     else
                     {
diff --git a/OpenSim/Region/Environment/Scenes/Scene.cs b/OpenSim/Region/Environment/Scenes/Scene.cs
index 64b9abb..f32de2e 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.cs
@@ -1391,6 +1391,8 @@ namespace OpenSim.Region.Environment.Scenes
             m_sceneGridService.OnCloseAgentConnection += CloseConnection;
             m_sceneGridService.OnRegionUp += OtherRegionUp;
             m_sceneGridService.OnChildAgentUpdate += IncomingChildAgentDataUpdate;
+           
+
             
 
 
@@ -1492,19 +1494,25 @@ namespace OpenSim.Region.Environment.Scenes
         public virtual bool IncomingChildAgentDataUpdate(ulong regionHandle, ChildAgentDataUpdate cAgentData)
         {
             ScenePresence childAgentUpdate = GetScenePresence(new LLUUID(cAgentData.AgentID));
-            if (!(childAgentUpdate.Equals(null)))
+            if (childAgentUpdate != null)
             {
                 // I can't imagine *yet* why we would get an update if the agent is a root agent..    
                 // however to avoid a race condition crossing borders..   
                 if (childAgentUpdate.IsChildAgent)
                 {
+                    uint rRegionX = (uint)(cAgentData.regionHandle >> 40);
+                    uint rRegionY = (((uint)(cAgentData.regionHandle)) >> 8);
+                    uint tRegionX = RegionInfo.RegionLocX;
+                    uint tRegionY = RegionInfo.RegionLocY;
                     //Send Data to ScenePresence
-                    childAgentUpdate.ChildAgentDataUpdate(cAgentData);
+                    childAgentUpdate.ChildAgentDataUpdate(cAgentData, tRegionX, tRegionY, rRegionX, rRegionY);
                     // Not Implemented:
                     //TODO: Do we need to pass the message on to one of our neighbors?
+                   
                 }
+                return true;
             }
-            return true;
+            return false;
         }
 
         /// <summary>
@@ -1614,6 +1622,11 @@ namespace OpenSim.Region.Environment.Scenes
             return m_sceneGridService.CrossToNeighbouringRegion(regionHandle, agentID, position, isFlying);
         }
 
+        public void SendOutChildAgentUpdates(ChildAgentDataUpdate cadu, ScenePresence presence)
+        {
+            m_sceneGridService.SendChildAgentDataUpdate(cadu, presence);
+        }
+
         #endregion
 
         #region Module Methods
diff --git a/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
index a9c2c2f..805b44c 100644
--- a/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
@@ -332,7 +332,7 @@ namespace OpenSim.Region.Environment.Scenes
             //bool val = m_commsProvider.InterRegion.RegionUp(new SearializableRegionInfo(region));
         }
 
-        public delegate void SendChildAgentDataUpdateDelegate(ulong regionHandle, ChildAgentDataUpdate cAgentData);
+        public delegate void SendChildAgentDataUpdateDelegate(ChildAgentDataUpdate cAgentData, ScenePresence presence);
 
         /// <summary>
         /// This informs all neighboring regions about the settings of it's child agent.
@@ -341,18 +341,22 @@ namespace OpenSim.Region.Environment.Scenes
         /// This contains information, such as, Draw Distance, Camera location, Current Position, Current throttle settings, etc.
         /// 
         /// </summary>
-        private void SendChildAgentDataUpdateAsync(ulong regionHandle, ChildAgentDataUpdate cAgentData)
+        private void SendChildAgentDataUpdateAsync(ChildAgentDataUpdate cAgentData, ScenePresence presence)
         {
-            MainLog.Instance.Notice("INTERGRID", "Informing a neighbor about my agent.");
-            bool regionAccepted = m_commsProvider.InterRegion.ChildAgentUpdate(regionHandle, cAgentData);
+            //MainLog.Instance.Notice("INTERGRID", "Informing neighbors about my agent.");
 
-            if (regionAccepted)
-            {
-                MainLog.Instance.Notice("INTERGRID", "Completed sending a neighbor an update about my agent");
-            }
-            else
+            foreach (ulong regionHandle in presence.KnownChildRegions)
             {
-                MainLog.Instance.Notice("INTERGRID", "Failed sending a neighbor an update about my agent");
+                bool regionAccepted = m_commsProvider.InterRegion.ChildAgentUpdate(regionHandle, cAgentData);
+
+                if (regionAccepted)
+                {
+                    //MainLog.Instance.Notice("INTERGRID", "Completed sending a neighbor an update about my agent");
+                }
+                else
+                {
+                    //MainLog.Instance.Notice("INTERGRID", "Failed sending a neighbor an update about my agent");
+                }
             }
         }
 
@@ -362,11 +366,11 @@ namespace OpenSim.Region.Environment.Scenes
             icon.EndInvoke(iar);
         }
 
-        public void SendChildAgentDataUpdate(ulong regionHandle, ChildAgentDataUpdate cAgentData)
+        public void SendChildAgentDataUpdate(ChildAgentDataUpdate cAgentData, ScenePresence presence)
         {
             // This assumes that we know what our neighbors are.
             SendChildAgentDataUpdateDelegate d = SendChildAgentDataUpdateAsync;
-            d.BeginInvoke(regionHandle, cAgentData,
+            d.BeginInvoke(cAgentData,presence,
                           SendChildAgentDataUpdateCompleted,
                           d);
         }
@@ -374,11 +378,8 @@ namespace OpenSim.Region.Environment.Scenes
         public delegate void SendCloseChildAgentDelegate( ScenePresence presence);
 
         /// <summary>
-        /// This informs all neighboring regions about the settings of it's child agent.
+        /// This Closes child agents on neighboring regions
         /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
-        /// 
-        /// This contains information, such as, Draw Distance, Camera location, Current Position, Current throttle settings, etc.
-        /// 
         /// </summary>
         private void SendCloseChildAgentAsync(ScenePresence presence)
         {
diff --git a/OpenSim/Region/Environment/Scenes/ScenePresence.cs b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
index c8310e4..f37b38b 100644
--- a/OpenSim/Region/Environment/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
@@ -55,6 +55,7 @@ namespace OpenSim.Region.Environment.Scenes
         private LLVector3 m_requestedSitOffset = new LLVector3();
         private float m_sitAvatarHeight = 2.0f;
         private float m_godlevel = 0;
+        private LLVector3 m_LastChildAgentUpdatePosition = new LLVector3();
 
         private int m_perfMonMS = 0;
 
@@ -90,6 +91,8 @@ namespace OpenSim.Region.Environment.Scenes
         private LLQuaternion m_headrotation = new LLQuaternion();
         private byte m_state = (byte) 0;
 
+        private List<LLUUID> m_knownPrimUUID = new List<LLUUID>();
+
         // Agent's Draw distance.
         protected float m_DrawDistance = 0f;
 
@@ -136,6 +139,17 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_physicsActor; }
         }
 
+        public bool KnownPrim(LLUUID primID)
+        {
+            if (m_knownPrimUUID.Contains(primID))
+            {
+                return true;
+            }
+            m_knownPrimUUID.Add(primID);
+            return false;
+        }
+
+
         public bool Updated
         {
             set { m_updateflag = value; }
@@ -499,7 +513,7 @@ namespace OpenSim.Region.Environment.Scenes
             m_scene.CommsManager.UserProfileCacheService.UpdateUserInventory(m_uuid);
             //if (!m_gotAllObjectsInScene)
             //{
-            //m_scene.SendAllSceneObjectsToClient(this);
+            m_scene.SendAllSceneObjectsToClient(this);
             //m_gotAllObjectsInScene = true;
             //}
         }
@@ -1408,6 +1422,29 @@ namespace OpenSim.Region.Environment.Scenes
                     m_scene.NotifyMyCoarseLocationChange();
                 }
             }
+
+            // Minimum Draw distance is 64 meters, the Radius of the draw distance sphere is 32m
+            if (Util.GetDistanceTo(AbsolutePosition,m_LastChildAgentUpdatePosition) > 32) 
+            {
+                ChildAgentDataUpdate cadu = new ChildAgentDataUpdate();
+                cadu.ActiveGroupID=LLUUID.Zero.UUID;
+                cadu.AgentID = UUID.UUID;
+                cadu.alwaysrun = m_setAlwaysRun;
+                cadu.AVHeight = m_avHeight;
+                LLVector3 tempCameraCenter = new LLVector3(m_CameraCenter.x, m_CameraCenter.y, m_CameraCenter.z);
+                cadu.cameraPosition = new sLLVector3(tempCameraCenter);
+                cadu.drawdistance = m_DrawDistance;
+                cadu.godlevel = m_godlevel;
+                cadu.GroupAccess = 0;
+                cadu.Position = new sLLVector3(AbsolutePosition);
+                cadu.regionHandle = m_scene.RegionInfo.RegionHandle;
+                cadu.throttles = ControllingClient.GetThrottlesPacked(1f);
+                cadu.Velocity = new sLLVector3(Velocity); 
+                m_scene.SendOutChildAgentUpdates(cadu,this);
+                m_LastChildAgentUpdatePosition.X = AbsolutePosition.X;
+                m_LastChildAgentUpdatePosition.Y = AbsolutePosition.Y;
+                m_LastChildAgentUpdatePosition.Z = AbsolutePosition.Z;
+            }
         }
 
         #endregion
@@ -1532,15 +1569,30 @@ namespace OpenSim.Region.Environment.Scenes
         /// This updates important decision making data about a child agent
         /// The main purpose is to figure out what objects to send to a child agent that's in a neighboring region
         /// </summary>
-        public void ChildAgentDataUpdate(ChildAgentDataUpdate cAgentData)
+        public void ChildAgentDataUpdate(ChildAgentDataUpdate cAgentData, uint tRegionX, uint tRegionY, uint rRegionX, uint rRegionY)
         {
             // 
+            int shiftx = ((int)rRegionX - (int)tRegionX) * 256;
+            int shifty = ((int)rRegionY - (int)tRegionY) * 256;
+            
             m_DrawDistance = cAgentData.drawdistance;
-            m_pos = new LLVector3(cAgentData.Position.x, cAgentData.Position.y, cAgentData.Position.z);
+            m_pos = new LLVector3(cAgentData.Position.x + shiftx, cAgentData.Position.y + shifty, cAgentData.Position.z);
+
+            // It's hard to say here..   We can't really tell where the camera position is unless it's in world cordinates from the sending region
             m_CameraCenter =
                 new Vector3(cAgentData.cameraPosition.x, cAgentData.cameraPosition.y, cAgentData.cameraPosition.z);
+            
+
             m_godlevel = cAgentData.godlevel;
+            SetHeight(cAgentData.AVHeight);
+
             ControllingClient.SetChildAgentThrottle(cAgentData.throttles);
+
+
+
+            // Sends out the objects in the user's draw distance if m_sendTasksToChild is true.
+            if (m_scene.m_sendTasksToChild)
+                m_scene.SendAllSceneObjectsToClient(this);
             //cAgentData.AVHeight;
             //cAgentData.regionHandle;
             //m_velocity = cAgentData.Velocity;