8 files changed, 97 insertions, 37 deletions

diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
index b9d5d32..cbef6ce 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
@@ -1705,9 +1705,23 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             uint x = 0, y = 0;
             Utils.LongToUInts(newRegionHandle, out x, out y);
             GridRegion destination = scene.GridService.GetRegionByPosition(scene.RegionInfo.ScopeID, (int)x, (int)y);
-            if (destination != null && !CrossPrimGroupIntoNewRegion(destination, grp, silent))
+
+            if (destination == null || !CrossPrimGroupIntoNewRegion(destination, grp, silent))
             {
+                m_log.InfoFormat("[ENTITY TRANSFER MODULE] cross region transfer failed for object {0}",grp.UUID);
+
+                // We are going to move the object back to the old position so long as the old position
+                // is in the region
+                oldGroupPosition.X = Util.Clamp<float>(oldGroupPosition.X,1.0f,(float)Constants.RegionSize-1);
+                oldGroupPosition.Y = Util.Clamp<float>(oldGroupPosition.Y,1.0f,(float)Constants.RegionSize-1);
+                oldGroupPosition.Z = Util.Clamp<float>(oldGroupPosition.Z,1.0f,4096.0f);
+
                 grp.RootPart.GroupPosition = oldGroupPosition;
+
+                // Need to turn off the physics flags, otherwise the object will continue to attempt to
+                // move out of the region creating an infinite loop of failed attempts to cross
+                grp.UpdatePrimFlags(grp.RootPart.LocalId,false,grp.IsTemporary,grp.IsPhantom,false);
+
                 grp.ScheduleGroupForFullUpdate();
             }
         }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 6666328..b4972d6 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -77,7 +77,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// Controls whether physics can be applied to prims.  Even if false, prims still have entries in a
         /// PhysicsScene in order to perform collision detection
         /// </summary>
-        public bool m_physicalPrim;
+        public bool PhysicalPrims { get; private set; }
+
+        /// <summary>
+        /// Controls whether prims can be collided with.
+        /// </summary>
+        /// <remarks>
+        /// If this is set to false then prims cannot be subject to physics either.
+        /// </summary>
+        public bool CollidablePrims { get; private set; }
 
         public float m_maxNonphys = 256;
         public float m_maxPhys = 10;
@@ -650,7 +658,8 @@ namespace OpenSim.Region.Framework.Scenes
                 //Animation states
                 m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
 
-                m_physicalPrim = startupConfig.GetBoolean("physical_prim", true);
+                PhysicalPrims = startupConfig.GetBoolean("physical_prim", true);
+                CollidablePrims = startupConfig.GetBoolean("collidable_prim", true);
 
                 m_maxNonphys = startupConfig.GetFloat("NonPhysicalPrimMax", m_maxNonphys);
                 if (RegionInfo.NonphysPrimMax > 0)
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index a3e4b46..1e2901b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -333,7 +333,6 @@ namespace OpenSim.Region.Framework.Scenes
             if (rot != null)
                 sceneObject.UpdateGroupRotationR((Quaternion)rot);
 
-            //group.ApplyPhysics(m_physicalPrim);
             if (sceneObject.RootPart.PhysActor != null && sceneObject.RootPart.PhysActor.IsPhysical && vel != Vector3.Zero)
             {
                 sceneObject.RootPart.ApplyImpulse((vel * sceneObject.GetMass()), false);
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index abea788..8860764 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -210,7 +210,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public bool UsesPhysics
         {
-            get { return (RootPart.Flags & PrimFlags.TemporaryOnRez) != 0; }
+            get { return (RootPart.Flags & PrimFlags.Physics) != 0; }
         }
 
         /// <summary>
@@ -669,7 +669,7 @@ namespace OpenSim.Region.Framework.Scenes
                 //m_log.DebugFormat("[SCENE]: Given local id {0} to part {1}, linknum {2}, parent {3} {4}", part.LocalId, part.UUID, part.LinkNum, part.ParentID, part.ParentUUID);
             }
 
-            ApplyPhysics(m_scene.m_physicalPrim);
+            ApplyPhysics();
 
             // Don't trigger the update here - otherwise some client issues occur when multiple updates are scheduled
             // for the same object with very different properties.  The caller must schedule the update.
@@ -1239,8 +1239,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Apply physics to this group
         /// </summary>
-        /// <param name="m_physicalPrim"></param>
-        public void ApplyPhysics(bool m_physicalPrim)
+        public void ApplyPhysics()
         {
             // Apply physics to the root prim
             m_rootPart.ApplyPhysics(m_rootPart.GetEffectiveObjectFlags(), m_rootPart.VolumeDetectActive);
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index b29ecc6..aea47e6 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1473,6 +1473,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="VolumeDetectActive"></param>
         public void ApplyPhysics(uint rootObjectFlags, bool VolumeDetectActive)
         {
+            if (!ParentGroup.Scene.CollidablePrims)
+                return;
+
 //            m_log.DebugFormat(
 //                "[SCENE OBJECT PART]: Applying physics to {0} {1}, m_physicalPrim {2}",
 //                Name, LocalId, UUID, m_physicalPrim);
@@ -1739,7 +1742,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="isNew"></param>
         public void DoPhysicsPropertyUpdate(bool UsePhysics, bool isNew)
         {
-            if (!ParentGroup.Scene.m_physicalPrim && UsePhysics)
+            if (!ParentGroup.Scene.PhysicalPrims && UsePhysics)
                 return;
 
             if (IsJoint())
@@ -4318,7 +4321,7 @@ namespace OpenSim.Region.Framework.Scenes
                 if (ParentGroup.Scene == null)
                     return;
 
-                if (PhysActor == null)
+                if (ParentGroup.Scene.CollidablePrims && PhysActor == null)
                 {
                     // It's not phantom anymore. So make sure the physics engine get's knowledge of it
                     PhysActor = ParentGroup.Scene.PhysicsScene.AddPrimShape(
diff --git a/OpenSim/Region/Physics/OdePlugin/OdeScene.cs b/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
index 04ba738..2194ff0 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
@@ -110,7 +110,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         private const uint m_regionWidth = Constants.RegionSize;
         private const uint m_regionHeight = Constants.RegionSize;
 
-        private float ODE_STEPSIZE = 0.020f;
+        private float ODE_STEPSIZE = 0.0178f;
         private float metersInSpace = 29.9f;
         private float m_timeDilation = 1.0f;
 
@@ -456,7 +456,7 @@ namespace OpenSim.Region.Physics.OdePlugin
                     mAvatarObjectContactFriction = physicsconfig.GetFloat("m_avatarobjectcontact_friction", 75f);
                     mAvatarObjectContactBounce = physicsconfig.GetFloat("m_avatarobjectcontact_bounce", 0.1f);
 
-                    ODE_STEPSIZE = physicsconfig.GetFloat("world_stepsize", 0.020f);
+                    ODE_STEPSIZE = physicsconfig.GetFloat("world_stepsize", ODE_STEPSIZE);
                     m_physicsiterations = physicsconfig.GetInt("world_internal_steps_without_collisions", 10);
 
                     avDensity = physicsconfig.GetFloat("av_density", 80f);
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
index 918544f..67a65ff 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
@@ -341,26 +341,54 @@ namespace OpenSim.Services.Connectors.SimianGrid
 
         public List<GridRegion> GetHyperlinks(UUID scopeID)
         {
-            // Hypergrid/linked regions are not supported
-            return new List<GridRegion>();
+            List<GridRegion> foundRegions = new List<GridRegion>();
+
+            NameValueCollection requestArgs = new NameValueCollection
+            {
+                { "RequestMethod", "GetScenes" },
+                { "HyperGrid", "true" },
+                { "Enabled", "1" }
+            };
+
+            OSDMap response = WebUtil.PostToService(m_ServerURI, requestArgs);
+            if (response["Success"].AsBoolean())
+            {
+                // m_log.DebugFormat("[SIMIAN GRID CONNECTOR] found regions with name {0}",name);
+
+                OSDArray array = response["Scenes"] as OSDArray;
+                if (array != null)
+                {
+                    for (int i = 0; i < array.Count; i++)
+                    {
+                        GridRegion region = ResponseToGridRegion(array[i] as OSDMap);
+                        if (region != null)
+                            foundRegions.Add(region);
+                    }
+                }
+            }
+
+            return foundRegions;
         }
-        
+
         public int GetRegionFlags(UUID scopeID, UUID regionID)
         {
-            const int REGION_ONLINE = 4;
-
             NameValueCollection requestArgs = new NameValueCollection
             {
                 { "RequestMethod", "GetScene" },
                 { "SceneID", regionID.ToString() }
             };
 
-            // m_log.DebugFormat("[SIMIAN GRID CONNECTOR] request region flags for {0}",regionID.ToString());
+            m_log.DebugFormat("[SIMIAN GRID CONNECTOR] request region flags for {0}",regionID.ToString());
 
             OSDMap response = WebUtil.PostToService(m_ServerURI, requestArgs);
             if (response["Success"].AsBoolean())
             {
-                return response["Enabled"].AsBoolean() ? REGION_ONLINE : 0;
+                OSDMap extraData = response["ExtraData"] as OSDMap;
+                int enabled = response["Enabled"].AsBoolean() ? (int) OpenSim.Data.RegionFlags.RegionOnline : 0;
+                int hypergrid = extraData["HyperGrid"].AsBoolean() ? (int) OpenSim.Data.RegionFlags.Hyperlink : 0;
+                int flags =  enabled | hypergrid;
+                m_log.DebugFormat("[SGGC] enabled - {0} hg - {1} flags - {2}", enabled, hypergrid, flags);
+                return flags;
             }
             else
             {
@@ -411,24 +439,27 @@ namespace OpenSim.Services.Connectors.SimianGrid
             Vector3d minPosition = response["MinPosition"].AsVector3d();
             region.RegionLocX = (int)minPosition.X;
             region.RegionLocY = (int)minPosition.Y;
-
-            Uri httpAddress = response["Address"].AsUri();
-            region.ExternalHostName = httpAddress.Host;
-            region.HttpPort = (uint)httpAddress.Port;
-
-            region.ServerURI = extraData["ServerURI"].AsString();
-
-            IPAddress internalAddress;
-            IPAddress.TryParse(extraData["InternalAddress"].AsString(), out internalAddress);
-            if (internalAddress == null)
-                internalAddress = IPAddress.Any;
-
-            region.InternalEndPoint = new IPEndPoint(internalAddress, extraData["InternalPort"].AsInteger());
-            region.TerrainImage = extraData["MapTexture"].AsUUID();
-            region.Access = (byte)extraData["Access"].AsInteger();
-            region.RegionSecret = extraData["RegionSecret"].AsString();
-            region.EstateOwner = extraData["EstateOwner"].AsUUID();
-            region.Token = extraData["Token"].AsString();
+            
+            if ( ! extraData["HyperGrid"] ) {
+                Uri httpAddress = response["Address"].AsUri();
+                region.ExternalHostName = httpAddress.Host;
+                region.HttpPort = (uint)httpAddress.Port;
+
+                IPAddress internalAddress;
+                IPAddress.TryParse(extraData["InternalAddress"].AsString(), out internalAddress);
+                if (internalAddress == null)
+                    internalAddress = IPAddress.Any;
+
+                region.InternalEndPoint = new IPEndPoint(internalAddress, extraData["InternalPort"].AsInteger());
+                region.TerrainImage = extraData["MapTexture"].AsUUID();
+                region.Access = (byte)extraData["Access"].AsInteger();
+                region.RegionSecret = extraData["RegionSecret"].AsString();
+                region.EstateOwner = extraData["EstateOwner"].AsUUID();
+                region.Token = extraData["Token"].AsString();
+                region.ServerURI = extraData["ServerURI"].AsString();
+            } else {
+                region.ServerURI = response["Address"];
+            }
 
             return region;
         }
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index 972efe4..3e7f8a6 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -181,6 +181,11 @@
     ; ## PHYSICS
     ; ##
 
+    ; If true then prims can be collided with by avatars, other prims, etc.
+    ; If false then all prims are phantom, no matter whether their phantom flag is checked or unchecked.
+    ; Also, no prims are subject to physics.
+    collidable_prim = true
+
     ; If true then prims can be made subject to physics (gravity, pushing, etc.).
     ; If false then physics flag can be set but it is not honoured.  However, prims are still solid for the purposes of collision direction
     physical_prim = true