move terrain geom to own ode space. Limit range on raycast if includes

terrain until ode doesn't eat all stack. Add a pre-simulation method to do
pending actors changes (except mesh assets still not ready to use), to be
optionaly called before firing heartbeat. [UNTESTED]

1 files changed, 14 insertions, 2 deletions

diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs
index 21fe9c0..06cb302 100644
--- a/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs
+++ b/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs
@@ -129,7 +129,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             req.length = length;
             req.Normal = direction;
             req.Origin = position;
-            req.filter = RayFilterFlags.AllPrims;
+            req.filter = RayFilterFlags.AllPrims | RayFilterFlags.land;
 
             m_PendingRequests.Enqueue(req);
         }
@@ -261,6 +261,12 @@ namespace OpenSim.Region.Physics.OdePlugin
                     closestHit = ((CurrentRayFilter & RayFilterFlags.ClosestHit) == 0 ? 0 : 1);
                     backfacecull = ((CurrentRayFilter & RayFilterFlags.BackFaceCull) == 0 ? 0 : 1);
 
+                    // current ode land to ray collisions is very bad
+                    // so for now limit its range badly
+
+                    if (req.length > 30.0f && (CurrentRayFilter & RayFilterFlags.land) != 0)
+                        req.length = 30.0f;
+
                     d.GeomRaySetLength(ray, req.length);
                     d.GeomRaySet(ray, req.Origin.X, req.Origin.Y, req.Origin.Z, req.Normal.X, req.Normal.Y, req.Normal.Z);
                     d.GeomRaySetParams(ray, 0, backfacecull);
@@ -288,7 +294,10 @@ namespace OpenSim.Region.Physics.OdePlugin
                             catflags |= CollisionCategories.Water;
 
                         if (catflags != 0)
+                        {
+                            d.GeomSetCollideBits(ray, (uint)catflags);
                             doSpaceRay(req);
+                        }
                     }
                     else
                     {
@@ -314,7 +323,8 @@ namespace OpenSim.Region.Physics.OdePlugin
         /// 
 
         private const RayFilterFlags FilterActiveSpace = RayFilterFlags.agent | RayFilterFlags.physical | RayFilterFlags.LSLPhanton;
-        private const RayFilterFlags FilterStaticSpace = RayFilterFlags.water | RayFilterFlags.land | RayFilterFlags.nonphysical | RayFilterFlags.LSLPhanton;
+//        private const RayFilterFlags FilterStaticSpace = RayFilterFlags.water | RayFilterFlags.land | RayFilterFlags.nonphysical | RayFilterFlags.LSLPhanton;
+        private const RayFilterFlags FilterStaticSpace = RayFilterFlags.water | RayFilterFlags.nonphysical | RayFilterFlags.LSLPhanton;
 
         private void doSpaceRay(ODERayRequest req)
         {
@@ -323,6 +333,8 @@ namespace OpenSim.Region.Physics.OdePlugin
                 d.SpaceCollide2(ray, m_scene.ActiveSpace, IntPtr.Zero, nearCallback);
             if ((CurrentRayFilter & FilterStaticSpace) != 0 && (m_contactResults.Count < CurrentMaxCount))
                 d.SpaceCollide2(ray, m_scene.StaticSpace, IntPtr.Zero, nearCallback);
+            if ((CurrentRayFilter & RayFilterFlags.land) != 0 && (m_contactResults.Count < CurrentMaxCount))
+                d.SpaceCollide2(ray, m_scene.GroundSpace, IntPtr.Zero, nearCallback);
 
             if (req.callbackMethod is RaycastCallback)
             {