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Merge branch 'master' into careminster 

Conflicts:
	OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
	OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
avinationmerge
Melanie 2013-05-24 01:11:49 +01:00
parent 09c2cd0d76 eb2bd9d203
commit e2e839a0cd
6 changed files with 257 additions and 169 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
OpenSim/Region/CoreModules/Framework/UserManagement/HGUserManagementModule.cs
View File

@ -54,7 +54,7 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
public new void Initialise(IConfigSource config)
{
string umanmod = config.Configs["Modules"].GetString("UserManagementModule", Name);
string umanmod = config.Configs["Modules"].GetString("UserManagementModule", null);
if (umanmod == Name)
{
m_Enabled = true;

2
OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
View File

@ -2197,7 +2197,7 @@ namespace OpenSim.Region.Framework.Scenes
if (!userExposed)
dupe.IsAttachment = true;
dupe.AbsolutePosition = new Vector3(AbsolutePosition.X, AbsolutePosition.Y, AbsolutePosition.Z);
dupe.m_sittingAvatars = new List<UUID>();
if (!userExposed)
{

1
OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
View File

@ -2159,6 +2159,7 @@ namespace OpenSim.Region.Framework.Scenes
// safeguard actual copy is done in sog.copy
dupe.KeyframeMotion = null;
dupe.PayPrice = (int[])PayPrice.Clone();
dupe.DynAttrs.CopyFrom(DynAttrs);

2
OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
View File

@ -373,7 +373,7 @@ 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>("UseAssetHulls", "If true, use hull if specified in the mesh asset info",
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",

335
OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
View File

@ -441,12 +441,16 @@ 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
false,
false
);
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
false,
false
);
}
if (meshData != null)
{
@ -578,58 +582,73 @@ public class BSShapeHull : BSShape
BulletShape newShape = new BulletShape();
newShape.shapeKey = newHullKey;
// 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 */, false, false);
// If there is hull data in the mesh asset, build the hull from that
if (meshData != null && BSParam.ShouldUseAssetHulls)
IMesh meshData = null;
List<List<OMV.Vector3>> allHulls = null;
lock (physicsScene.mesher)
{
Meshmerizer realMesher = physicsScene.mesher as Meshmerizer;
if (realMesher != null)
// 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 */, false, false);
// If we should use the asset's hull info, fetch it out of the locked mesher
if (meshData != null && BSParam.ShouldUseAssetHulls)
{
List<List<OMV.Vector3>> allHulls = realMesher.GetConvexHulls(size);
if (allHulls != null)
Meshmerizer realMesher = physicsScene.mesher as Meshmerizer;
if (realMesher != null)
{
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);
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)
@ -647,127 +666,123 @@ 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 no hull specified, use our HACD hull approximation.
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.
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;
}
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));
}
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))
{
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];
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)
{
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;
}
}
// create the hull data structure in Bullet
newShape = physicsScene.PE.CreateHullShape(physicsScene.World, hullCount, convHulls);
// Release the fetched asset data once it has been used.
pbs.SculptData = new byte[0];
prim.PrimAssetState = BSPhysObject.PrimAssetCondition.Unknown;
}
newShape.shapeKey = newHullKey;
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));
}
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))
{
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];
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)
{
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;
}
}
// create the hull data structure in Bullet
newShape = physicsScene.PE.CreateHullShape(physicsScene.World, hullCount, convHulls);
}
return newShape;
}

84
OpenSim/Region/Physics/Meshing/Meshmerizer.cs
View File

@ -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;
@ -80,6 +83,7 @@ namespace OpenSim.Region.Physics.Meshing
private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh
private List<List<Vector3>> mConvexHulls = null;
private List<Vector3> mBoundingHull = null;
private Dictionary<ulong, Mesh> m_uniqueMeshes = new Dictionary<ulong, Mesh>();
@ -321,6 +325,9 @@ namespace OpenSim.Region.Physics.Meshing
faces = new List<Face>();
OSD meshOsd = null;
mConvexHulls = null;
mBoundingHull = null;
if (primShape.SculptData.Length <= 0)
{
// XXX: At the moment we can not log here since ODEPrim, for instance, ends up triggering this
@ -357,26 +364,66 @@ 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
try
{
OSDMap convexBlock = (OSDMap)map["physics_convex"];
Vector3 min = new Vector3(-0.5f, -0.5f, -0.5f);
if (convexBlock.ContainsKey("Min")) min = convexBlock["Min"].AsVector3();
Vector3 max = new Vector3(0.5f, 0.5f, 0.5f);
if (convexBlock.ContainsKey("Max")) max = convexBlock["Max"].AsVector3();
List<Vector3> boundingHull = null;
if (convexBlock.ContainsKey("BoundingVerts"))
{
// decompress and decode bounding hull points
byte[] boundingVertsBytes = DecompressOsd(convexBlock["BoundingVerts"].AsBinary()).AsBinary();
boundingHull = new List<Vector3>();
for (int i = 0; i < boundingVertsBytes.Length;)
{
ushort uX = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
ushort uY = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
ushort uZ = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
Vector3 pos = new Vector3(
Utils.UInt16ToFloat(uX, min.X, max.X),
Utils.UInt16ToFloat(uY, min.Y, max.Y),
Utils.UInt16ToFloat(uZ, min.Z, max.Z)
);
boundingHull.Add(pos);
}
mBoundingHull = boundingHull;
if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed bounding hull. nHulls={2}", LogHeader, primName, mBoundingHull.Count);
}
if (convexBlock.ContainsKey("HullList"))
{
byte[] hullList = convexBlock["HullList"].AsBinary();
Vector3 min = new Vector3(-0.5f, -0.5f, -0.5f);
if (convexBlock.ContainsKey("Min")) min = convexBlock["Min"].AsVector3();
Vector3 max = new Vector3(0.5f, 0.5f, 0.5f);
if (convexBlock.ContainsKey("Max")) max = convexBlock["Max"].AsVector3();
// decompress and decode hull points
byte[] posBytes = DecompressOsd(convexBlock["Positions"].AsBinary()).AsBinary();
@ -408,11 +455,16 @@ 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 +490,7 @@ 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 +507,9 @@ 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);
}
}
@ -772,6 +827,23 @@ namespace OpenSim.Region.Physics.Meshing
return true;
}
/// <summary>
/// temporary prototype code - please do not use until the interface has been finalized!
/// </summary>
/// <param name="size">value to scale the hull points by</param>
/// <returns>a list of vertices in the bounding hull if it exists and has been successfully decoded, otherwise null</returns>
public List<Vector3> GetBoundingHull(Vector3 size)
{
if (mBoundingHull == null)
return null;
List<Vector3> verts = new List<Vector3>();
foreach (var vert in mBoundingHull)
verts.Add(vert * size);
return verts;
}
/// <summary>
/// temporary prototype code - please do not use until the interface has been finalized!
/// </summary>