Make it possible to change avatar position update, rotation and velocity tolerances on the fly.

This is done via "debug scene set client-pos-upd, client-rot-upd, client-vel-upd".
For testing purposes.

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -232,6 +232,21 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public bool SendPeriodicAppearanceUpdates { get; set; }               
                 
+        /// <summary>
+        /// How much a client has to change position before updates are sent to viewers.
+        /// </summary>
+        public float ClientPositionUpdateTolerance { get; set; }
+
+        /// <summary>
+        /// How much a client has to rotate before updates are sent to viewers.
+        /// </summary>
+        public float ClientRotationUpdateTolerance { get; set; }
+
+        /// <summary>
+        /// How much a client has to change velocity before updates are sent to viewers.
+        /// </summary>
+        public float ClientVelocityUpdateTolerance { get; set; }
+
         protected float m_defaultDrawDistance = 255.0f;
         public float DefaultDrawDistance 
         {
@@ -1046,6 +1061,9 @@ namespace OpenSim.Region.Framework.Scenes
             PeriodicBackup = true;
             UseBackup = true;
 
+            ClientRotationUpdateTolerance = 0.01f;
+            ClientVelocityUpdateTolerance = 0.001f;
+            ClientPositionUpdateTolerance = 0.05f;
             ChildReprioritizationDistance = 20.0;
 
             m_eventManager = new EventManager();

OpenSim/Region/Framework/Scenes/ScenePresence.cs

@@ -3181,10 +3181,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         public override void Update()
         {
-            const float ROTATION_TOLERANCE = 0.01f;
-            const float VELOCITY_TOLERANCE = 0.001f;
-            const float POSITION_TOLERANCE = 0.05f;
-
             if (IsChildAgent == false)
             {
                 // NOTE: Velocity is not the same as m_velocity. Velocity will attempt to
@@ -3201,9 +3197,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (!updateClients)
                     updateClients 
-                        = !Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE) 
+                        = !Rotation.ApproxEquals(m_lastRotation, Scene.ClientRotationUpdateTolerance) 
-                            || !Velocity.ApproxEquals(m_lastVelocity, VELOCITY_TOLERANCE)
+                            || !Velocity.ApproxEquals(m_lastVelocity, Scene.ClientVelocityUpdateTolerance)
-                            || !m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE);
+                            || !m_pos.ApproxEquals(m_lastPosition, Scene.ClientPositionUpdateTolerance);
 
                 if (updateClients)
                 {

OpenSim/Region/OptionalModules/World/SceneCommands/SceneCommandsModule.cs

@@ -96,6 +96,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.Attachments
                 "active         - if false then main scene update and maintenance loops are suspended.\n"
                     + "animations     - if true  then extra animations debug information is logged.\n"
                     + "child-repri    - how far an avatar must move in meters before we update the position of its child agents in neighbouring regions.\n"
+                    + "client-pos-upd - the tolerance before clients are updated with new rotation information for an avatar.\n"
+                    + "client-rot-upd - the tolerance before clients are updated with new rotation information for an avatar.\n"
+                    + "client-vel-upd - the tolerance before clients are updated with new velocity information for an avatar.\n"
                     + "collisions     - if false then collisions with other objects are turned off.\n"
                     + "pbackup        - if false then periodic scene backup is turned off.\n"
                     + "physics        - if false then all physics objects are non-physical.\n"
@@ -111,6 +114,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.Attachments
                 "active         - if false then main scene update and maintenance loops are suspended.\n"
                     + "animations     - if true  then extra animations debug information is logged.\n"
                     + "child-repri    - how far an avatar must move in meters before we update the position of its child agents in neighbouring regions.\n"
+                    + "client-pos-upd - the tolerance before clients are updated with new rotation information for an avatar.\n"
+                    + "client-rot-upd - the tolerance before clients are updated with new rotation information for an avatar.\n"
+                    + "client-vel-upd - the tolerance before clients are updated with new velocity information for an avatar.\n"
                     + "collisions     - if false then collisions with other objects are turned off.\n"
                     + "pbackup        - if false then periodic scene backup is turned off.\n"
                     + "physics        - if false then all physics objects are non-physical.\n"
@@ -141,6 +147,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.Attachments
             cdl.AddRow("active", m_scene.Active);
             cdl.AddRow("animations", m_scene.DebugAnimations);
             cdl.AddRow("child-repri", m_scene.ChildReprioritizationDistance);
+            cdl.AddRow("client-pos-upd", m_scene.ClientPositionUpdateTolerance);
+            cdl.AddRow("client-rot-upd", m_scene.ClientRotationUpdateTolerance);
+            cdl.AddRow("client-vel-upd", m_scene.ClientVelocityUpdateTolerance);
             cdl.AddRow("pbackup", m_scene.PeriodicBackup);
             cdl.AddRow("physics", m_scene.PhysicsEnabled);
             cdl.AddRow("scripting", m_scene.ScriptsEnabled);
@@ -190,11 +199,38 @@ namespace OpenSim.Region.OptionalModules.Avatar.Attachments
 
             if (options.ContainsKey("child-repri"))
             {
-                double childRepriDistance;
+                double newValue;
 
                 // FIXME: This can only come from the console at the moment but might not always be true.
-                if (ConsoleUtil.TryParseConsoleDouble(MainConsole.Instance, options["child-repri"], out childRepriDistance))
+                if (ConsoleUtil.TryParseConsoleDouble(MainConsole.Instance, options["child-repri"], out newValue))
-                    m_scene.ChildReprioritizationDistance = childRepriDistance;                
+                    m_scene.ChildReprioritizationDistance = newValue;                
+            }
+
+            if (options.ContainsKey("client-pos-upd"))
+            {
+                float newValue;
+
+                // FIXME: This can only come from the console at the moment but might not always be true.
+                if (ConsoleUtil.TryParseConsoleFloat(MainConsole.Instance, options["client-pos-upd"], out newValue))
+                    m_scene.ClientPositionUpdateTolerance = newValue;    
+            }
+
+            if (options.ContainsKey("client-rot-upd"))
+            {
+                float newValue;
+
+                // FIXME: This can only come from the console at the moment but might not always be true.
+                if (ConsoleUtil.TryParseConsoleFloat(MainConsole.Instance, options["client-rot-upd"], out newValue))
+                    m_scene.ClientRotationUpdateTolerance = newValue;    
+            }
+
+            if (options.ContainsKey("client-vel-upd"))
+            {
+                float newValue;
+
+                // FIXME: This can only come from the console at the moment but might not always be true.
+                if (ConsoleUtil.TryParseConsoleFloat(MainConsole.Instance, options["client-vel-upd"], out newValue))
+                    m_scene.ClientVelocityUpdateTolerance = newValue;    
             }
 
             if (options.ContainsKey("pbackup"))