5 files changed, 210 insertions, 114 deletions

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
index ff5b6ab..48f842e 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
@@ -483,8 +483,15 @@ public sealed class BSCharacter : BSPhysObject
                 {
                     // Bullet assumes we know what we are doing when forcing orientation
                     //    so it lets us go against all the rules and just compensates for them later.
-                    //    This keeps us from flipping the capsule over which the veiwer does not understand.
-                    ForceOrientation = new OMV.Quaternion(0, 0, _orientation.Z,0);
+                    // This forces rotation to be only around the Z axis and doesn't change any of the other axis.
+                    // This keeps us from flipping the capsule over which the veiwer does not understand.
+                    float oRoll, oPitch, oYaw;
+                    _orientation.GetEulerAngles(out oRoll, out oPitch, out oYaw);
+                    OMV.Quaternion trimmedOrientation = OMV.Quaternion.CreateFromEulers(0f, 0f, oYaw);
+                    // DetailLog("{0},BSCharacter.setOrientation,taint,val={1},valDir={2},conv={3},convDir={4}",
+                    //                 LocalID, _orientation, OMV.Vector3.UnitX * _orientation,
+                    //                 trimmedOrientation, OMV.Vector3.UnitX * trimmedOrientation);
+                    ForceOrientation = trimmedOrientation;
                 });
             }
         }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index 9a9e527..c19eda1 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -90,6 +90,7 @@ public static class BSParam
     public static bool ShouldUseBulletHACD { get; set; }
     public static bool ShouldUseSingleConvexHullForPrims { get; set; }
     public static bool ShouldUseGImpactShapeForPrims { get; set; }
+    public static bool ShouldUseAssetHulls { get; set; }
 
     public static float TerrainImplementation { get; set; }
     public static int TerrainMeshMagnification { get; private set; }
@@ -372,6 +373,8 @@ public static class BSParam
             true ),
         new ParameterDefn<bool>("ShouldUseGImpactShapeForPrims", "If true, use a GImpact shape for prims with cuts and twists",
             false ),
+        new ParameterDefn<bool>("ShouldUseAssetHulls", "If true, use hull if specified in the mesh asset info",
+            false ),
 
         new ParameterDefn<int>("CrossingFailuresBeforeOutOfBounds", "How forgiving we are about getting into adjactent regions",
             5 ),
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs b/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
index 0152233..48f1394 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
@@ -31,6 +31,7 @@ using System.Text;
 
 using OpenSim.Framework;
 using OpenSim.Region.Physics.Manager;
+using OpenSim.Region.Physics.Meshing;
 using OpenSim.Region.Physics.ConvexDecompositionDotNet;
 
 using OMV = OpenMetaverse;
@@ -440,10 +441,14 @@ public class BSShapeMesh : BSShape
     {
         BulletShape newShape = new BulletShape();
 
-        IMesh meshData = physicsScene.mesher.CreateMesh(prim.PhysObjectName, pbs, size, lod,
-                                        false,  // say it is not physical so a bounding box is not built
-                                        false   // do not cache the mesh and do not use previously built versions
-                                        );
+        IMesh meshData = null;
+        lock (physicsScene.mesher)
+        {
+            meshData = physicsScene.mesher.CreateMesh(prim.PhysObjectName, pbs, size, lod,
+                                            false,  // say it is not physical so a bounding box is not built
+                                            false   // do not cache the mesh and do not use previously built versions
+                                            );
+        }
 
         if (meshData != null)
         {
@@ -573,13 +578,75 @@ public class BSShapeHull : BSShape
                                             PrimitiveBaseShape pbs, OMV.Vector3 size, float lod)
     {
         BulletShape newShape = new BulletShape();
-        IntPtr hullPtr = IntPtr.Zero;
+        newShape.shapeKey = newHullKey;
 
-        if (BSParam.ShouldUseBulletHACD)
+        IMesh meshData = null;
+        List<List<OMV.Vector3>> allHulls = null;
+        lock (physicsScene.mesher)
+        {
+            // Pass true for physicalness as this prevents the creation of bounding box which is not needed
+            meshData = physicsScene.mesher.CreateMesh(prim.PhysObjectName, pbs, size, lod, true /* isPhysical */, false /* shouldCache */);
+
+            // If we should use the asset's hull info, fetch it out of the locked mesher
+            if (meshData != null && BSParam.ShouldUseAssetHulls)
+            {
+                Meshmerizer realMesher = physicsScene.mesher as Meshmerizer;
+                if (realMesher != null)
+                {
+                    allHulls = realMesher.GetConvexHulls(size);
+                }
+                if (allHulls == null)
+                {
+                    physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,assetHulls,noAssetHull", prim.LocalID);
+                }
+            }
+        }
+
+        // If there is hull data in the mesh asset, build the hull from that
+        if (allHulls != null && BSParam.ShouldUseAssetHulls)
+        {
+            int hullCount = allHulls.Count;
+            int totalVertices = 1;      // include one for the count of the hulls
+            // Using the structure described for HACD hulls, create the memory sturcture
+            //     to pass the hull data to the creater.
+            foreach (List<OMV.Vector3> hullVerts in allHulls)
+            {
+                totalVertices += 4;                     // add four for the vertex count and centroid
+                totalVertices += hullVerts.Count * 3;   // one vertex is three dimensions
+            }
+            float[] convHulls = new float[totalVertices];
+
+            convHulls[0] = (float)hullCount;
+            int jj = 1;
+            foreach (List<OMV.Vector3> hullVerts in allHulls)
+            {
+                convHulls[jj + 0] = hullVerts.Count;
+                convHulls[jj + 1] = 0f;   // centroid x,y,z
+                convHulls[jj + 2] = 0f;
+                convHulls[jj + 3] = 0f;
+                jj += 4;
+                foreach (OMV.Vector3 oneVert in hullVerts)
+                {
+                    convHulls[jj + 0] = oneVert.X;
+                    convHulls[jj + 1] = oneVert.Y;
+                    convHulls[jj + 2] = oneVert.Z;
+                    jj += 3;
+                }
+            }
+
+            // create the hull data structure in Bullet
+            newShape = physicsScene.PE.CreateHullShape(physicsScene.World, hullCount, convHulls);
+
+            physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,assetHulls,hulls={1},totVert={2},shape={3}",
+                                        prim.LocalID, hullCount, totalVertices, newShape);
+        }
+
+        // If no hull specified in the asset and we should use Bullet's HACD approximation...
+        if (!newShape.HasPhysicalShape && BSParam.ShouldUseBulletHACD)
         {
             // Build the hull shape from an existing mesh shape.
             // The mesh should have already been created in Bullet.
-            physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,shouldUseBulletHACD,entry", prim.LocalID);
+            physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,bulletHACD,entry", prim.LocalID);
             BSShape meshShape = BSShapeMesh.GetReference(physicsScene, true, prim);
 
             if (meshShape.physShapeInfo.HasPhysicalShape)
@@ -597,128 +664,123 @@ public class BSShapeHull : BSShape
 
                 physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,hullFromMesh,beforeCall", prim.LocalID, newShape.HasPhysicalShape);
                 newShape = physicsScene.PE.BuildHullShapeFromMesh(physicsScene.World, meshShape.physShapeInfo, parms);
-                physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,hullFromMesh,hasBody={1}", prim.LocalID, newShape.HasPhysicalShape);
+                physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,hullFromMesh,shape={1}", prim.LocalID, newShape);
 
                 // Now done with the mesh shape.
                 meshShape.Dereference(physicsScene);
             }
-            physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,shouldUseBulletHACD,exit,hasBody={1}", prim.LocalID, newShape.HasPhysicalShape);
+            physicsScene.DetailLog("{0},BSShapeHull.CreatePhysicalHull,bulletHACD,exit,hasBody={1}", prim.LocalID, newShape.HasPhysicalShape);
         }
-        if (!newShape.HasPhysicalShape)
+
+        // If no other hull specifications, use our HACD hull approximation.
+        if (!newShape.HasPhysicalShape && meshData != null)
         {
-            // Build a new hull in the physical world using the C# HACD algorigthm.
-            // Pass true for physicalness as this prevents the creation of bounding box which is not needed
-            IMesh meshData = physicsScene.mesher.CreateMesh(prim.PhysObjectName, pbs, size, lod, true /* isPhysical */, false /* shouldCache */);
-            if (meshData != null)
+            if (prim.PrimAssetState == BSPhysObject.PrimAssetCondition.Fetched)
             {
-                if (prim.PrimAssetState == BSPhysObject.PrimAssetCondition.Fetched)
-                {
-                    // Release the fetched asset data once it has been used.
-                    pbs.SculptData = new byte[0];
-                    prim.PrimAssetState = BSPhysObject.PrimAssetCondition.Unknown;
-                }
+                // Release the fetched asset data once it has been used.
+                pbs.SculptData = new byte[0];
+                prim.PrimAssetState = BSPhysObject.PrimAssetCondition.Unknown;
+            }
 
-                int[] indices = meshData.getIndexListAsInt();
-                List<OMV.Vector3> vertices = meshData.getVertexList();
+            int[] indices = meshData.getIndexListAsInt();
+            List<OMV.Vector3> vertices = meshData.getVertexList();
 
-                //format conversion from IMesh format to DecompDesc format
-                List<int> convIndices = new List<int>();
-                List<float3> convVertices = new List<float3>();
-                for (int ii = 0; ii < indices.GetLength(0); ii++)
-                {
-                    convIndices.Add(indices[ii]);
-                }
-                foreach (OMV.Vector3 vv in vertices)
-                {
-                    convVertices.Add(new float3(vv.X, vv.Y, vv.Z));
-                }
+            //format conversion from IMesh format to DecompDesc format
+            List<int> convIndices = new List<int>();
+            List<float3> convVertices = new List<float3>();
+            for (int ii = 0; ii < indices.GetLength(0); ii++)
+            {
+                convIndices.Add(indices[ii]);
+            }
+            foreach (OMV.Vector3 vv in vertices)
+            {
+                convVertices.Add(new float3(vv.X, vv.Y, vv.Z));
+            }
 
-                uint maxDepthSplit = (uint)BSParam.CSHullMaxDepthSplit;
-                if (BSParam.CSHullMaxDepthSplit != BSParam.CSHullMaxDepthSplitForSimpleShapes)
+            uint maxDepthSplit = (uint)BSParam.CSHullMaxDepthSplit;
+            if (BSParam.CSHullMaxDepthSplit != BSParam.CSHullMaxDepthSplitForSimpleShapes)
+            {
+                // Simple primitive shapes we know are convex so they are better implemented with
+                //    fewer hulls.
+                // Check for simple shape (prim without cuts) and reduce split parameter if so.
+                if (BSShapeCollection.PrimHasNoCuts(pbs))
                 {
-                    // Simple primitive shapes we know are convex so they are better implemented with
-                    //    fewer hulls.
-                    // Check for simple shape (prim without cuts) and reduce split parameter if so.
-                    if (BSShapeCollection.PrimHasNoCuts(pbs))
-                    {
-                        maxDepthSplit = (uint)BSParam.CSHullMaxDepthSplitForSimpleShapes;
-                    }
+                    maxDepthSplit = (uint)BSParam.CSHullMaxDepthSplitForSimpleShapes;
                 }
+            }
+
+            // setup and do convex hull conversion
+            m_hulls = new List<ConvexResult>();
+            DecompDesc dcomp = new DecompDesc();
+            dcomp.mIndices = convIndices;
+            dcomp.mVertices = convVertices;
+            dcomp.mDepth = maxDepthSplit;
+            dcomp.mCpercent = BSParam.CSHullConcavityThresholdPercent;
+            dcomp.mPpercent = BSParam.CSHullVolumeConservationThresholdPercent;
+            dcomp.mMaxVertices = (uint)BSParam.CSHullMaxVertices;
+            dcomp.mSkinWidth = BSParam.CSHullMaxSkinWidth;
+            ConvexBuilder convexBuilder = new ConvexBuilder(HullReturn);
+            // create the hull into the _hulls variable
+            convexBuilder.process(dcomp);
+
+            physicsScene.DetailLog("{0},BSShapeCollection.CreatePhysicalHull,key={1},inVert={2},inInd={3},split={4},hulls={5}",
+                                BSScene.DetailLogZero, newHullKey, indices.GetLength(0), vertices.Count, maxDepthSplit, m_hulls.Count);
+
+            // Convert the vertices and indices for passing to unmanaged.
+            // The hull information is passed as a large floating point array.
+            // The format is:
+            //  convHulls[0] = number of hulls
+            //  convHulls[1] = number of vertices in first hull
+            //  convHulls[2] = hull centroid X coordinate
+            //  convHulls[3] = hull centroid Y coordinate
+            //  convHulls[4] = hull centroid Z coordinate
+            //  convHulls[5] = first hull vertex X
+            //  convHulls[6] = first hull vertex Y
+            //  convHulls[7] = first hull vertex Z
+            //  convHulls[8] = second hull vertex X
+            //  ...
+            //  convHulls[n] = number of vertices in second hull
+            //  convHulls[n+1] = second hull centroid X coordinate
+            //  ...
+            //
+            // TODO: is is very inefficient. Someday change the convex hull generator to return
+            //   data structures that do not need to be converted in order to pass to Bullet.
+            //   And maybe put the values directly into pinned memory rather than marshaling.
+            int hullCount = m_hulls.Count;
+            int totalVertices = 1;          // include one for the count of the hulls
+            foreach (ConvexResult cr in m_hulls)
+            {
+                totalVertices += 4;                         // add four for the vertex count and centroid
+                totalVertices += cr.HullIndices.Count * 3;  // we pass just triangles
+            }
+            float[] convHulls = new float[totalVertices];
 
-                // setup and do convex hull conversion
-                m_hulls = new List<ConvexResult>();
-                DecompDesc dcomp = new DecompDesc();
-                dcomp.mIndices = convIndices;
-                dcomp.mVertices = convVertices;
-                dcomp.mDepth = maxDepthSplit;
-                dcomp.mCpercent = BSParam.CSHullConcavityThresholdPercent;
-                dcomp.mPpercent = BSParam.CSHullVolumeConservationThresholdPercent;
-                dcomp.mMaxVertices = (uint)BSParam.CSHullMaxVertices;
-                dcomp.mSkinWidth = BSParam.CSHullMaxSkinWidth;
-                ConvexBuilder convexBuilder = new ConvexBuilder(HullReturn);
-                // create the hull into the _hulls variable
-                convexBuilder.process(dcomp);
-
-                physicsScene.DetailLog("{0},BSShapeCollection.CreatePhysicalHull,key={1},inVert={2},inInd={3},split={4},hulls={5}",
-                                    BSScene.DetailLogZero, newHullKey, indices.GetLength(0), vertices.Count, maxDepthSplit, m_hulls.Count);
-
-                // Convert the vertices and indices for passing to unmanaged.
-                // The hull information is passed as a large floating point array.
-                // The format is:
-                //  convHulls[0] = number of hulls
-                //  convHulls[1] = number of vertices in first hull
-                //  convHulls[2] = hull centroid X coordinate
-                //  convHulls[3] = hull centroid Y coordinate
-                //  convHulls[4] = hull centroid Z coordinate
-                //  convHulls[5] = first hull vertex X
-                //  convHulls[6] = first hull vertex Y
-                //  convHulls[7] = first hull vertex Z
-                //  convHulls[8] = second hull vertex X
-                //  ...
-                //  convHulls[n] = number of vertices in second hull
-                //  convHulls[n+1] = second hull centroid X coordinate
-                //  ...
-                //
-                // TODO: is is very inefficient. Someday change the convex hull generator to return
-                //   data structures that do not need to be converted in order to pass to Bullet.
-                //   And maybe put the values directly into pinned memory rather than marshaling.
-                int hullCount = m_hulls.Count;
-                int totalVertices = 1;          // include one for the count of the hulls
-                foreach (ConvexResult cr in m_hulls)
+            convHulls[0] = (float)hullCount;
+            int jj = 1;
+            foreach (ConvexResult cr in m_hulls)
+            {
+                // copy vertices for index access
+                float3[] verts = new float3[cr.HullVertices.Count];
+                int kk = 0;
+                foreach (float3 ff in cr.HullVertices)
                 {
-                    totalVertices += 4;                         // add four for the vertex count and centroid
-                    totalVertices += cr.HullIndices.Count * 3;  // we pass just triangles
+                    verts[kk++] = ff;
                 }
-                float[] convHulls = new float[totalVertices];
 
-                convHulls[0] = (float)hullCount;
-                int jj = 1;
-                foreach (ConvexResult cr in m_hulls)
+                // add to the array one hull's worth of data
+                convHulls[jj++] = cr.HullIndices.Count;
+                convHulls[jj++] = 0f;   // centroid x,y,z
+                convHulls[jj++] = 0f;
+                convHulls[jj++] = 0f;
+                foreach (int ind in cr.HullIndices)
                 {
-                    // copy vertices for index access
-                    float3[] verts = new float3[cr.HullVertices.Count];
-                    int kk = 0;
-                    foreach (float3 ff in cr.HullVertices)
-                    {
-                        verts[kk++] = ff;
-                    }
-
-                    // add to the array one hull's worth of data
-                    convHulls[jj++] = cr.HullIndices.Count;
-                    convHulls[jj++] = 0f;   // centroid x,y,z
-                    convHulls[jj++] = 0f;
-                    convHulls[jj++] = 0f;
-                    foreach (int ind in cr.HullIndices)
-                    {
-                        convHulls[jj++] = verts[ind].x;
-                        convHulls[jj++] = verts[ind].y;
-                        convHulls[jj++] = verts[ind].z;
-                    }
+                    convHulls[jj++] = verts[ind].x;
+                    convHulls[jj++] = verts[ind].y;
+                    convHulls[jj++] = verts[ind].z;
                 }
-                // create the hull data structure in Bullet
-                newShape = physicsScene.PE.CreateHullShape(physicsScene.World, hullCount, convHulls);
             }
-            newShape.shapeKey = newHullKey;
+            // create the hull data structure in Bullet
+            newShape = physicsScene.PE.CreateHullShape(physicsScene.World, hullCount, convHulls);
         }
         return newShape;
     }
diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index 79edc12..adc0dc9 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -64,6 +64,7 @@ namespace OpenSim.Region.Physics.Meshing
     public class Meshmerizer : IMesher
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static string LogHeader = "[MESH]";
 
         // Setting baseDir to a path will enable the dumping of raw files
         // raw files can be imported by blender so a visual inspection of the results can be done
@@ -72,6 +73,8 @@ namespace OpenSim.Region.Physics.Meshing
 #else
         private const string baseDir = null; //"rawFiles";
 #endif
+        // If 'true', lots of DEBUG logging of asset parsing details
+        private bool debugDetail = true;
 
         private bool cacheSculptMaps = true;
         private string decodedSculptMapPath = null;
@@ -357,13 +360,25 @@ namespace OpenSim.Region.Physics.Meshing
                 OSDMap physicsParms = null;
                 OSDMap map = (OSDMap)meshOsd;
                 if (map.ContainsKey("physics_shape"))
+                {
                     physicsParms = (OSDMap)map["physics_shape"]; // old asset format
+                    if (debugDetail) m_log.DebugFormat("{0} prim='{1}': using 'physics_shape' mesh data", LogHeader, primName);
+                }
                 else if (map.ContainsKey("physics_mesh"))
+                {
                     physicsParms = (OSDMap)map["physics_mesh"]; // new asset format
+                    if (debugDetail) m_log.DebugFormat("{0} prim='{1}':using 'physics_mesh' mesh data", LogHeader, primName);
+                }
                 else if (map.ContainsKey("medium_lod"))
+                {
                     physicsParms = (OSDMap)map["medium_lod"]; // if no physics mesh, try to fall back to medium LOD display mesh
+                    if (debugDetail) m_log.DebugFormat("{0} prim='{1}':using 'medium_lod' mesh data", LogHeader, primName);
+                }
                 else if (map.ContainsKey("high_lod"))
+                {
                     physicsParms = (OSDMap)map["high_lod"]; // if all else fails, use highest LOD display mesh and hope it works :)
+                    if (debugDetail) m_log.DebugFormat("{0} prim='{1}':using 'high_lod' mesh data", LogHeader, primName);
+                }
 
                 if (map.ContainsKey("physics_convex"))
                 { // pull this out also in case physics engine can use it
@@ -408,11 +423,16 @@ namespace OpenSim.Region.Physics.Meshing
                             }
 
                             mConvexHulls = hulls;
+                            if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed hulls. nHulls={2}", LogHeader, primName, mConvexHulls.Count);
+                        }
+                        else
+                        {
+                            if (debugDetail) m_log.DebugFormat("{0} prim='{1}' has physics_convex but no HullList", LogHeader, primName);
                         }
                     }
                     catch (Exception e)
                     {
-                        m_log.WarnFormat("[MESH]: exception decoding convex block: {0}", e.Message);
+                        m_log.WarnFormat("{0} exception decoding convex block: {1}", LogHeader, e);
                     }
                 }
 
@@ -438,7 +458,7 @@ namespace OpenSim.Region.Physics.Meshing
                 }
                 catch (Exception e)
                 {
-                    m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString());
+                    m_log.ErrorFormat("{0} prim='{1}': exception decoding physical mesh: {2}", LogHeader, primName, e);
                     return false;
                 }
 
@@ -455,6 +475,9 @@ namespace OpenSim.Region.Physics.Meshing
                         if (subMeshOsd is OSDMap)
                             AddSubMesh(subMeshOsd as OSDMap, size, coords, faces);
                     }
+                    if (debugDetail)
+                        m_log.DebugFormat("{0} {1}: mesh decoded. offset={2}, size={3}, nCoords={4}, nFaces={5}",
+                                            LogHeader, primName, physOffset, physSize, coords.Count, faces.Count);
                 }
             }
 
diff --git a/prebuild.xml b/prebuild.xml
index 9fbe08b..25c287e 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -1753,6 +1753,7 @@
       <Reference name="OpenSim.Region.CoreModules"/>
       <Reference name="OpenSim.Framework.Console"/>
       <Reference name="OpenSim.Region.Physics.Manager"/>
+      <Reference name="OpenSim.Region.Physics.Meshing" path="../../../../bin/Physics/"/>
       <Reference name="OpenSim.Region.Physics.ConvexDecompositionDotNet"/>
       <Reference name="BulletXNA.dll" path="../../../../bin/"/>
       <Reference name="log4net.dll" path="../../../../bin/"/>