3 files changed, 60 insertions, 0 deletions

diff --git a/OpenSim/Region/ClientStack/ClientView.API.cs b/OpenSim/Region/ClientStack/ClientView.API.cs
index c5a2284..43eb95a 100644
--- a/OpenSim/Region/ClientStack/ClientView.API.cs
+++ b/OpenSim/Region/ClientStack/ClientView.API.cs
@@ -941,6 +941,27 @@ namespace OpenSim.Region.ClientStack
             this.OutPacket(terse);
         }
 
+        public void SendCoarseLocationUpdate(List<LLVector3> CoarseLocations)
+        {
+            CoarseLocationUpdatePacket loc = new CoarseLocationUpdatePacket();
+            int total = CoarseLocations.Count;
+            CoarseLocationUpdatePacket.IndexBlock ib = 
+                           new CoarseLocationUpdatePacket.IndexBlock();
+            loc.Location = new CoarseLocationUpdatePacket.LocationBlock[total];
+            for(int i=0; i<total; i++) {
+                CoarseLocationUpdatePacket.LocationBlock lb = 
+                           new CoarseLocationUpdatePacket.LocationBlock();
+                lb.X = (byte)CoarseLocations[i].X;
+                lb.Y = (byte)CoarseLocations[i].Y;
+                lb.Z = (byte)(CoarseLocations[i].Z/4);
+                loc.Location[i] = lb;
+            }
+            ib.You = -1;
+            ib.Prey = -1;
+            loc.Index = ib;
+            this.OutPacket(loc);
+        }
+
         #endregion
 
         #region Primitive Packet/data Sending Methods
diff --git a/OpenSim/Region/Environment/Scenes/ScenePresence.cs b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
index c96d575..8cf0b98 100644
--- a/OpenSim/Region/Environment/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
@@ -64,6 +64,7 @@ namespace OpenSim.Region.Environment.Scenes
 
         private bool newForce = false;
         private bool newAvatar = false;
+         private bool newCoarseLocations = false;
 
         protected RegionInfo m_regionInfo;
         protected ulong crossingFromRegion = 0;
@@ -462,6 +463,11 @@ namespace OpenSim.Region.Environment.Scenes
         {
             this.SendPrimUpdates();
 
+            if (this.newCoarseLocations) {
+                this.SendCoarseLocations();
+                this.newCoarseLocations = false;
+            }
+
             if (this.childAgent == false)
             {
                 if (this.newForce)
@@ -515,6 +521,37 @@ namespace OpenSim.Region.Environment.Scenes
             }
         }
 
+
+        public void SendCoarseLocations()
+        {
+            List<LLVector3> CoarseLocations = new List<LLVector3>();
+            List<ScenePresence> avatars = this.m_scene.RequestAvatarList();
+            for (int i = 0; i < avatars.Count; i++)
+            {
+                if (avatars[i] != this) {
+                    CoarseLocations.Add(avatars[i].AbsolutePosition);
+                }
+            }
+            this.ControllingClient.SendCoarseLocationUpdate(CoarseLocations);
+        }
+
+        public void CoarseLocationChange(ScenePresence avatar)
+        {
+            newCoarseLocations = true;
+        }
+
+        private void NotifyMyCoarseLocationChange()
+        {
+            List<ScenePresence> avatars = this.m_scene.RequestAvatarList();
+            for (int i = 0; i < avatars.Count; i++) {
+                if (avatars[i] != this) {
+                    avatars[i].CoarseLocationChange(this);
+                }
+            }
+                
+        }
+
+
         /// <summary>
         /// 
         /// </summary>
@@ -638,6 +675,7 @@ namespace OpenSim.Region.Environment.Scenes
                 if (OnSignificantClientMovement != null)
                 {
                     OnSignificantClientMovement(this.ControllingClient);
+                    NotifyMyCoarseLocationChange();
                 }
             }
         }
diff --git a/OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs b/OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs
index 7e1f5c1..7053c84 100644
--- a/OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs
+++ b/OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs
@@ -154,6 +154,7 @@ namespace SimpleApp
 
         public virtual void SendAvatarData(ulong regionHandle, string firstName, string lastName, LLUUID avatarID, uint avatarLocalID, LLVector3 Pos, byte[] textureEntry) { }
         public virtual void SendAvatarTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID, LLVector3 position, LLVector3 velocity, LLQuaternion rotation) { }
+        public virtual void SendCoarseLocationUpdate(List<LLVector3> CoarseLocations) { }
 
         public virtual void AttachObject(uint localID, LLQuaternion rotation, byte attachPoint) { }