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correct some errors in decoding of mesh asset convex decomposition data

user_profiles
dahlia 2013-05-24 01:53:37 -07:00
parent e597a7d94e
commit 0cdea5c2f3
1 changed files with 83 additions and 53 deletions
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136
OpenSim/Region/Physics/Meshing/Meshmerizer.cs
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@ -386,61 +386,57 @@ namespace OpenSim.Region.Physics.Meshing
if (map.ContainsKey("physics_convex")) if (map.ContainsKey("physics_convex"))
{ // pull this out also in case physics engine can use it { // pull this out also in case physics engine can use it
OSD convexBlockOsd = null;
try try
{ {
OSDMap convexBlock = (OSDMap)map["physics_convex"]; 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 int convexOffset = convexBlock["offset"].AsInteger() + (int)start;
byte[] boundingVertsBytes = DecompressOsd(convexBlock["BoundingVerts"].AsBinary()).AsBinary(); int convexSize = convexBlock["size"].AsInteger();
boundingHull = new List<Vector3>();
for (int i = 0; i < boundingVertsBytes.Length;) byte[] convexBytes = new byte[convexSize];
System.Buffer.BlockCopy(primShape.SculptData, convexOffset, convexBytes, 0, convexSize);
try
{ {
ushort uX = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2; convexBlockOsd = DecompressOsd(convexBytes);
ushort uY = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2; }
ushort uZ = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2; catch (Exception e)
{
m_log.ErrorFormat("{0} prim='{1}': exception decoding convex block: {2}", LogHeader, primName, e);
//return false;
}
}
if (convexBlockOsd != null && convexBlockOsd is OSDMap)
{
convexBlock = convexBlockOsd as OSDMap;
Vector3 pos = new Vector3( if (debugDetail)
Utils.UInt16ToFloat(uX, min.X, max.X), {
Utils.UInt16ToFloat(uY, min.Y, max.Y), string keys = "[MESH]: keys found in convexBlock: ";
Utils.UInt16ToFloat(uZ, min.Z, max.Z) foreach (KeyValuePair<string, OSD> kvp in convexBlock)
); keys += "'" + kvp.Key + "' ";
m_log.Info(keys);
boundingHull.Add(pos);
} }
mBoundingHull = boundingHull; Vector3 min = new Vector3(-0.5f, -0.5f, -0.5f);
if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed bounding hull. nHulls={2}", LogHeader, primName, mBoundingHull.Count); 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();
if (convexBlock.ContainsKey("HullList")) List<Vector3> boundingHull = null;
{
byte[] hullList = convexBlock["HullList"].AsBinary();
// decompress and decode hull points if (convexBlock.ContainsKey("BoundingVerts"))
byte[] posBytes = DecompressOsd(convexBlock["Positions"].AsBinary()).AsBinary();
List<List<Vector3>> hulls = new List<List<Vector3>>();
int posNdx = 0;
foreach (byte cnt in hullList)
{ {
int count = cnt == 0 ? 256 : cnt; byte[] boundingVertsBytes = convexBlock["BoundingVerts"].AsBinary();
List<Vector3> hull = new List<Vector3>(); boundingHull = new List<Vector3>();
for (int i = 0; i < boundingVertsBytes.Length; )
for (int i = 0; i < count; i++)
{ {
ushort uX = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; ushort uX = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
ushort uY = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; ushort uY = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
ushort uZ = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; ushort uZ = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
Vector3 pos = new Vector3( Vector3 pos = new Vector3(
Utils.UInt16ToFloat(uX, min.X, max.X), Utils.UInt16ToFloat(uX, min.X, max.X),
@ -448,18 +444,52 @@ namespace OpenSim.Region.Physics.Meshing
Utils.UInt16ToFloat(uZ, min.Z, max.Z) Utils.UInt16ToFloat(uZ, min.Z, max.Z)
); );
hull.Add(pos); boundingHull.Add(pos);
} }
hulls.Add(hull); mBoundingHull = boundingHull;
if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed bounding hull. nVerts={2}", LogHeader, primName, mBoundingHull.Count);
} }
mConvexHulls = hulls; if (convexBlock.ContainsKey("HullList"))
if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed hulls. nHulls={2}", LogHeader, primName, mConvexHulls.Count); {
} byte[] hullList = convexBlock["HullList"].AsBinary();
else
{ byte[] posBytes = convexBlock["Positions"].AsBinary();
if (debugDetail) m_log.DebugFormat("{0} prim='{1}' has physics_convex but no HullList", LogHeader, primName);
List<List<Vector3>> hulls = new List<List<Vector3>>();
int posNdx = 0;
foreach (byte cnt in hullList)
{
int count = cnt == 0 ? 256 : cnt;
List<Vector3> hull = new List<Vector3>();
for (int i = 0; i < count; i++)
{
ushort uX = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2;
ushort uY = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2;
ushort uZ = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 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)
);
hull.Add(pos);
}
hulls.Add(hull);
}
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) catch (Exception e)
@ -483,7 +513,7 @@ namespace OpenSim.Region.Physics.Meshing
OSD decodedMeshOsd = new OSD(); OSD decodedMeshOsd = new OSD();
byte[] meshBytes = new byte[physSize]; byte[] meshBytes = new byte[physSize];
System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize); System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
// byte[] decompressed = new byte[physSize * 5]; // byte[] decompressed = new byte[physSize * 5];
try try
{ {
decodedMeshOsd = DecompressOsd(meshBytes); decodedMeshOsd = DecompressOsd(meshBytes);
@ -499,7 +529,7 @@ namespace OpenSim.Region.Physics.Meshing
// physics_shape is an array of OSDMaps, one for each submesh // physics_shape is an array of OSDMaps, one for each submesh
if (decodedMeshOsd is OSDArray) if (decodedMeshOsd is OSDArray)
{ {
// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd)); // Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
decodedMeshOsdArray = (OSDArray)decodedMeshOsd; decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
foreach (OSD subMeshOsd in decodedMeshOsdArray) foreach (OSD subMeshOsd in decodedMeshOsdArray)