From e9a56d5e194b9b80f8adf5d1ce5d9ab3f5f7bfdd Mon Sep 17 00:00:00 2001 From: UbitUmarov Date: Sat, 12 Sep 2015 21:38:26 +0100 Subject: rename Ubit physics modules --- .../PhysicsModules/ubOdeMeshing/Meshmerizer.cs | 1458 ++++++++++++++++++++ 1 file changed, 1458 insertions(+) create mode 100644 OpenSim/Region/PhysicsModules/ubOdeMeshing/Meshmerizer.cs (limited to 'OpenSim/Region/PhysicsModules/ubOdeMeshing/Meshmerizer.cs') diff --git a/OpenSim/Region/PhysicsModules/ubOdeMeshing/Meshmerizer.cs b/OpenSim/Region/PhysicsModules/ubOdeMeshing/Meshmerizer.cs new file mode 100644 index 0000000..be76f8f --- /dev/null +++ b/OpenSim/Region/PhysicsModules/ubOdeMeshing/Meshmerizer.cs @@ -0,0 +1,1458 @@ +/* + * Copyright (c) Contributors, http://opensimulator.org/ + * See CONTRIBUTORS.TXT for a full list of copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the OpenSimulator Project nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +//#define SPAM + +using System; +using System.Collections.Generic; +using OpenSim.Framework; +using OpenSim.Region.Framework.Scenes; +using OpenSim.Region.Framework.Interfaces; +using OpenSim.Region.PhysicsModules.SharedBase; +using OpenSim.Region.PhysicsModules.ConvexDecompositionDotNet; +using OpenMetaverse; +using OpenMetaverse.StructuredData; +using System.Drawing; +using System.Drawing.Imaging; +using System.IO.Compression; +using PrimMesher; +using log4net; +using Nini.Config; +using System.Reflection; +using System.IO; +using ComponentAce.Compression.Libs.zlib; +using System.Runtime.Serialization; +using System.Runtime.Serialization.Formatters.Binary; + +using Mono.Addins; + +namespace OpenSim.Region.PhysicsModule.ubODEMeshing +{ + [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "ubODEMeshmerizer")] + public class UbitMeshmerizer : IMesher, INonSharedRegionModule + { + private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); + + // 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 + + private bool m_Enabled = false; + + public object diskLock = new object(); + + public bool doMeshFileCache = true; + + public string cachePath = "MeshCache"; + public TimeSpan CacheExpire; + public bool doCacheExpire = true; + +// const string baseDir = "rawFiles"; + private const string baseDir = null; //"rawFiles"; + + private bool useMeshiesPhysicsMesh = false; + + private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh + + private Dictionary m_uniqueMeshes = new Dictionary(); + private Dictionary m_uniqueReleasedMeshes = new Dictionary(); + + #region INonSharedRegionModule + public string Name + { + get { return "ubODEMeshmerizer"; } + } + + public Type ReplaceableInterface + { + get { return null; } + } + + public void Initialise(IConfigSource config) + { + IConfig start_config = config.Configs["Startup"]; + + string mesher = start_config.GetString("meshing", string.Empty); + if (mesher == Name) + { + float fcache = 48.0f; + // float fcache = 0.02f; + + IConfig mesh_config = config.Configs["Mesh"]; + if (mesh_config != null) + { + useMeshiesPhysicsMesh = mesh_config.GetBoolean("UseMeshiesPhysicsMesh", useMeshiesPhysicsMesh); + if (useMeshiesPhysicsMesh) + { + doMeshFileCache = mesh_config.GetBoolean("MeshFileCache", doMeshFileCache); + cachePath = mesh_config.GetString("MeshFileCachePath", cachePath); + fcache = mesh_config.GetFloat("MeshFileCacheExpireHours", fcache); + doCacheExpire = mesh_config.GetBoolean("MeshFileCacheDoExpire", doCacheExpire); + } + else + { + doMeshFileCache = false; + doCacheExpire = false; + } + + m_Enabled = true; + } + + CacheExpire = TimeSpan.FromHours(fcache); + + } + } + + public void Close() + { + } + + public void AddRegion(Scene scene) + { + if (!m_Enabled) + return; + + scene.RegisterModuleInterface(this); + } + + public void RemoveRegion(Scene scene) + { + if (!m_Enabled) + return; + + scene.UnregisterModuleInterface(this); + } + + public void RegionLoaded(Scene scene) + { + if (!m_Enabled) + return; + } + + #endregion + + /// + /// creates a simple box mesh of the specified size. This mesh is of very low vertex count and may + /// be useful as a backup proxy when level of detail is not needed or when more complex meshes fail + /// for some reason + /// + /// + /// + /// + /// + /// + /// + /// + private static Mesh CreateSimpleBoxMesh(float minX, float maxX, float minY, float maxY, float minZ, float maxZ) + { + Mesh box = new Mesh(); + List vertices = new List(); + // bottom + + vertices.Add(new Vertex(minX, maxY, minZ)); + vertices.Add(new Vertex(maxX, maxY, minZ)); + vertices.Add(new Vertex(maxX, minY, minZ)); + vertices.Add(new Vertex(minX, minY, minZ)); + + box.Add(new Triangle(vertices[0], vertices[1], vertices[2])); + box.Add(new Triangle(vertices[0], vertices[2], vertices[3])); + + // top + + vertices.Add(new Vertex(maxX, maxY, maxZ)); + vertices.Add(new Vertex(minX, maxY, maxZ)); + vertices.Add(new Vertex(minX, minY, maxZ)); + vertices.Add(new Vertex(maxX, minY, maxZ)); + + box.Add(new Triangle(vertices[4], vertices[5], vertices[6])); + box.Add(new Triangle(vertices[4], vertices[6], vertices[7])); + + // sides + + box.Add(new Triangle(vertices[5], vertices[0], vertices[3])); + box.Add(new Triangle(vertices[5], vertices[3], vertices[6])); + + box.Add(new Triangle(vertices[1], vertices[0], vertices[5])); + box.Add(new Triangle(vertices[1], vertices[5], vertices[4])); + + box.Add(new Triangle(vertices[7], vertices[1], vertices[4])); + box.Add(new Triangle(vertices[7], vertices[2], vertices[1])); + + box.Add(new Triangle(vertices[3], vertices[2], vertices[7])); + box.Add(new Triangle(vertices[3], vertices[7], vertices[6])); + + return box; + } + + /// + /// Creates a simple bounding box mesh for a complex input mesh + /// + /// + /// + private static Mesh CreateBoundingBoxMesh(Mesh meshIn) + { + float minX = float.MaxValue; + float maxX = float.MinValue; + float minY = float.MaxValue; + float maxY = float.MinValue; + float minZ = float.MaxValue; + float maxZ = float.MinValue; + + foreach (Vector3 v in meshIn.getVertexList()) + { + if (v.X < minX) minX = v.X; + if (v.Y < minY) minY = v.Y; + if (v.Z < minZ) minZ = v.Z; + + if (v.X > maxX) maxX = v.X; + if (v.Y > maxY) maxY = v.Y; + if (v.Z > maxZ) maxZ = v.Z; + } + + return CreateSimpleBoxMesh(minX, maxX, minY, maxY, minZ, maxZ); + } + + private void ReportPrimError(string message, string primName, PrimMesh primMesh) + { + m_log.Error(message); + m_log.Error("\nPrim Name: " + primName); + m_log.Error("****** PrimMesh Parameters ******\n" + primMesh.ParamsToDisplayString()); + } + + /// + /// Add a submesh to an existing list of coords and faces. + /// + /// + /// Size of entire object + /// + /// + private void AddSubMesh(OSDMap subMeshData, List coords, List faces) + { + // Console.WriteLine("subMeshMap for {0} - {1}", primName, Util.GetFormattedXml((OSD)subMeshMap)); + + // As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level + // of Detail Blocks (maps) contain just a NoGeometry key to signal there is no + // geometry for this submesh. + if (subMeshData.ContainsKey("NoGeometry") && ((OSDBoolean)subMeshData["NoGeometry"])) + return; + + OpenMetaverse.Vector3 posMax; + OpenMetaverse.Vector3 posMin; + if (subMeshData.ContainsKey("PositionDomain")) + { + posMax = ((OSDMap)subMeshData["PositionDomain"])["Max"].AsVector3(); + posMin = ((OSDMap)subMeshData["PositionDomain"])["Min"].AsVector3(); + } + else + { + posMax = new Vector3(0.5f, 0.5f, 0.5f); + posMin = new Vector3(-0.5f, -0.5f, -0.5f); + } + + ushort faceIndexOffset = (ushort)coords.Count; + + byte[] posBytes = subMeshData["Position"].AsBinary(); + for (int i = 0; i < posBytes.Length; i += 6) + { + ushort uX = Utils.BytesToUInt16(posBytes, i); + ushort uY = Utils.BytesToUInt16(posBytes, i + 2); + ushort uZ = Utils.BytesToUInt16(posBytes, i + 4); + + Coord c = new Coord( + Utils.UInt16ToFloat(uX, posMin.X, posMax.X), + Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y), + Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z)); + + coords.Add(c); + } + + byte[] triangleBytes = subMeshData["TriangleList"].AsBinary(); + for (int i = 0; i < triangleBytes.Length; i += 6) + { + ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i) + faceIndexOffset); + ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2) + faceIndexOffset); + ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4) + faceIndexOffset); + Face f = new Face(v1, v2, v3); + faces.Add(f); + } + } + + /// + /// Create a physics mesh from data that comes with the prim. The actual data used depends on the prim type. + /// + /// + /// + /// + /// + /// + private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, float lod, bool convex) + { +// m_log.DebugFormat( +// "[MESH]: Creating physics proxy for {0}, shape {1}", +// primName, (OpenMetaverse.SculptType)primShape.SculptType); + + List coords; + List faces; + + if (primShape.SculptEntry) + { + if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh) + { + if (!useMeshiesPhysicsMesh) + return null; + + if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, out coords, out faces, convex)) + return null; + } + else + { + if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, lod, out coords, out faces)) + return null; + } + } + else + { + if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, lod, out coords, out faces)) + return null; + } + + primShape.SculptData = Utils.EmptyBytes; + + int numCoords = coords.Count; + int numFaces = faces.Count; + + Mesh mesh = new Mesh(); + // Add the corresponding triangles to the mesh + for (int i = 0; i < numFaces; i++) + { + Face f = faces[i]; + mesh.Add(new Triangle(coords[f.v1].X, coords[f.v1].Y, coords[f.v1].Z, + coords[f.v2].X, coords[f.v2].Y, coords[f.v2].Z, + coords[f.v3].X, coords[f.v3].Y, coords[f.v3].Z)); + } + + coords.Clear(); + faces.Clear(); + + return mesh; + } + + /// + /// Generate the co-ords and faces necessary to construct a mesh from the mesh data the accompanies a prim. + /// + /// + /// + /// + /// Coords are added to this list by the method. + /// Faces are added to this list by the method. + /// true if coords and faces were successfully generated, false if not + private bool GenerateCoordsAndFacesFromPrimMeshData( + string primName, PrimitiveBaseShape primShape, out List coords, out List faces, bool convex) + { +// m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName); + + bool usemesh = false; + + coords = new List(); + faces = new List(); + OSD meshOsd = null; + + if (primShape.SculptData.Length <= 0) + { +// m_log.InfoFormat("[MESH]: asset data for {0} is zero length", primName); + return false; + } + + long start = 0; + using (MemoryStream data = new MemoryStream(primShape.SculptData)) + { + try + { + OSD osd = OSDParser.DeserializeLLSDBinary(data); + if (osd is OSDMap) + meshOsd = (OSDMap)osd; + else + { + m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap"); + return false; + } + } + catch (Exception e) + { + m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString()); + } + + start = data.Position; + } + + if (meshOsd is OSDMap) + { + OSDMap physicsParms = null; + OSDMap map = (OSDMap)meshOsd; + + if (!convex) + { + if (map.ContainsKey("physics_shape")) + physicsParms = (OSDMap)map["physics_shape"]; // old asset format + else if (map.ContainsKey("physics_mesh")) + physicsParms = (OSDMap)map["physics_mesh"]; // new asset format + + if (physicsParms != null) + usemesh = true; + } + + if(!usemesh && (map.ContainsKey("physics_convex"))) + physicsParms = (OSDMap)map["physics_convex"]; + + + if (physicsParms == null) + { + m_log.Warn("[MESH]: unknown mesh type"); + return false; + } + + int physOffset = physicsParms["offset"].AsInteger() + (int)start; + int physSize = physicsParms["size"].AsInteger(); + + if (physOffset < 0 || physSize == 0) + return false; // no mesh data in asset + + OSD decodedMeshOsd = new OSD(); + byte[] meshBytes = new byte[physSize]; + System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize); + + try + { + using (MemoryStream inMs = new MemoryStream(meshBytes)) + { + using (MemoryStream outMs = new MemoryStream()) + { + using (ZOutputStream zOut = new ZOutputStream(outMs)) + { + byte[] readBuffer = new byte[2048]; + int readLen = 0; + while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0) + { + zOut.Write(readBuffer, 0, readLen); + } + zOut.Flush(); + outMs.Seek(0, SeekOrigin.Begin); + + byte[] decompressedBuf = outMs.GetBuffer(); + + decodedMeshOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf); + } + } + } + } + catch (Exception e) + { + m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString()); + return false; + } + + if (usemesh) + { + OSDArray decodedMeshOsdArray = null; + + // physics_shape is an array of OSDMaps, one for each submesh + if (decodedMeshOsd is OSDArray) + { +// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd)); + + decodedMeshOsdArray = (OSDArray)decodedMeshOsd; + foreach (OSD subMeshOsd in decodedMeshOsdArray) + { + if (subMeshOsd is OSDMap) + AddSubMesh(subMeshOsd as OSDMap, coords, faces); + } + } + } + else + { + OSDMap cmap = (OSDMap)decodedMeshOsd; + if (cmap == null) + return false; + + byte[] data; + + List vs = new List(); + PHullResult hullr = new PHullResult(); + float3 f3; + Coord c; + Face f; + Vector3 range; + Vector3 min; + + const float invMaxU16 = 1.0f / 65535f; + int t1; + int t2; + int t3; + int i; + int nverts; + int nindexs; + + if (cmap.ContainsKey("Max")) + range = cmap["Max"].AsVector3(); + else + range = new Vector3(0.5f, 0.5f, 0.5f); + + if (cmap.ContainsKey("Min")) + min = cmap["Min"].AsVector3(); + else + min = new Vector3(-0.5f, -0.5f, -0.5f); + + range = range - min; + range *= invMaxU16; + + if (!convex && cmap.ContainsKey("HullList") && cmap.ContainsKey("Positions")) + { + List hsizes = new List(); + int totalpoints = 0; + data = cmap["HullList"].AsBinary(); + for (i = 0; i < data.Length; i++) + { + t1 = data[i]; + if (t1 == 0) + t1 = 256; + totalpoints += t1; + hsizes.Add(t1); + } + + data = cmap["Positions"].AsBinary(); + int ptr = 0; + int vertsoffset = 0; + + if (totalpoints == data.Length / 6) // 2 bytes per coord, 3 coords per point + { + foreach (int hullsize in hsizes) + { + for (i = 0; i < hullsize; i++ ) + { + t1 = data[ptr++]; + t1 += data[ptr++] << 8; + t2 = data[ptr++]; + t2 += data[ptr++] << 8; + t3 = data[ptr++]; + t3 += data[ptr++] << 8; + + f3 = new float3((t1 * range.X + min.X), + (t2 * range.Y + min.Y), + (t3 * range.Z + min.Z)); + vs.Add(f3); + } + + if(hullsize <3) + { + vs.Clear(); + continue; + } + + if (hullsize <5) + { + foreach (float3 point in vs) + { + c.X = point.x; + c.Y = point.y; + c.Z = point.z; + coords.Add(c); + } + f = new Face(vertsoffset, vertsoffset + 1, vertsoffset + 2); + faces.Add(f); + + if (hullsize == 4) + { + // not sure about orientation.. + f = new Face(vertsoffset, vertsoffset + 2, vertsoffset + 3); + faces.Add(f); + f = new Face(vertsoffset, vertsoffset + 3, vertsoffset + 1); + faces.Add(f); + f = new Face(vertsoffset + 3, vertsoffset + 2, vertsoffset + 1); + faces.Add(f); + } + vertsoffset += vs.Count; + vs.Clear(); + continue; + } + + if (!HullUtils.ComputeHull(vs, ref hullr, 0, 0.0f)) + { + vs.Clear(); + continue; + } + + nverts = hullr.Vertices.Count; + nindexs = hullr.Indices.Count; + + if (nindexs % 3 != 0) + { + vs.Clear(); + continue; + } + + for (i = 0; i < nverts; i++) + { + c.X = hullr.Vertices[i].x; + c.Y = hullr.Vertices[i].y; + c.Z = hullr.Vertices[i].z; + coords.Add(c); + } + + for (i = 0; i < nindexs; i += 3) + { + t1 = hullr.Indices[i]; + if (t1 > nverts) + break; + t2 = hullr.Indices[i + 1]; + if (t2 > nverts) + break; + t3 = hullr.Indices[i + 2]; + if (t3 > nverts) + break; + f = new Face(vertsoffset + t1, vertsoffset + t2, vertsoffset + t3); + faces.Add(f); + } + vertsoffset += nverts; + vs.Clear(); + } + } + if (coords.Count > 0 && faces.Count > 0) + return true; + } + + vs.Clear(); + + if (cmap.ContainsKey("BoundingVerts")) + { + data = cmap["BoundingVerts"].AsBinary(); + + for (i = 0; i < data.Length; ) + { + t1 = data[i++]; + t1 += data[i++] << 8; + t2 = data[i++]; + t2 += data[i++] << 8; + t3 = data[i++]; + t3 += data[i++] << 8; + + f3 = new float3((t1 * range.X + min.X), + (t2 * range.Y + min.Y), + (t3 * range.Z + min.Z)); + vs.Add(f3); + } + + if (vs.Count < 3) + { + vs.Clear(); + return false; + } + + if (vs.Count < 5) + { + foreach (float3 point in vs) + { + c.X = point.x; + c.Y = point.y; + c.Z = point.z; + coords.Add(c); + } + f = new Face(0, 1, 2); + faces.Add(f); + + if (vs.Count == 4) + { + f = new Face(0, 2, 3); + faces.Add(f); + f = new Face(0, 3, 1); + faces.Add(f); + f = new Face( 3, 2, 1); + faces.Add(f); + } + vs.Clear(); + return true; + } + + if (!HullUtils.ComputeHull(vs, ref hullr, 0, 0.0f)) + return false; + + nverts = hullr.Vertices.Count; + nindexs = hullr.Indices.Count; + + if (nindexs % 3 != 0) + return false; + + for (i = 0; i < nverts; i++) + { + c.X = hullr.Vertices[i].x; + c.Y = hullr.Vertices[i].y; + c.Z = hullr.Vertices[i].z; + coords.Add(c); + } + for (i = 0; i < nindexs; i += 3) + { + t1 = hullr.Indices[i]; + if (t1 > nverts) + break; + t2 = hullr.Indices[i + 1]; + if (t2 > nverts) + break; + t3 = hullr.Indices[i + 2]; + if (t3 > nverts) + break; + f = new Face(t1, t2, t3); + faces.Add(f); + } + + if (coords.Count > 0 && faces.Count > 0) + return true; + } + else + return false; + } + } + + return true; + } + + /// + /// Generate the co-ords and faces necessary to construct a mesh from the sculpt data the accompanies a prim. + /// + /// + /// + /// + /// + /// Coords are added to this list by the method. + /// Faces are added to this list by the method. + /// true if coords and faces were successfully generated, false if not + private bool GenerateCoordsAndFacesFromPrimSculptData( + string primName, PrimitiveBaseShape primShape, float lod, out List coords, out List faces) + { + coords = new List(); + faces = new List(); + PrimMesher.SculptMesh sculptMesh; + Image idata = null; + + if (primShape.SculptData == null || primShape.SculptData.Length == 0) + return false; + + try + { + OpenMetaverse.Imaging.ManagedImage unusedData; + OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out unusedData, out idata); + + unusedData = null; + + if (idata == null) + { + // In some cases it seems that the decode can return a null bitmap without throwing + // an exception + m_log.WarnFormat("[PHYSICS]: OpenJPEG decoded sculpt data for {0} to a null bitmap. Ignoring.", primName); + return false; + } + } + catch (DllNotFoundException) + { + m_log.Error("[PHYSICS]: OpenJpeg is not installed correctly on this system. Physics Proxy generation failed. Often times this is because of an old version of GLIBC. You must have version 2.4 or above!"); + return false; + } + catch (IndexOutOfRangeException) + { + m_log.Error("[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed"); + return false; + } + catch (Exception ex) + { + m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " + ex.Message); + return false; + } + + PrimMesher.SculptMesh.SculptType sculptType; + // remove mirror and invert bits + OpenMetaverse.SculptType pbsSculptType = ((OpenMetaverse.SculptType)(primShape.SculptType & 0x3f)); + switch (pbsSculptType) + { + case OpenMetaverse.SculptType.Cylinder: + sculptType = PrimMesher.SculptMesh.SculptType.cylinder; + break; + case OpenMetaverse.SculptType.Plane: + sculptType = PrimMesher.SculptMesh.SculptType.plane; + break; + case OpenMetaverse.SculptType.Torus: + sculptType = PrimMesher.SculptMesh.SculptType.torus; + break; + case OpenMetaverse.SculptType.Sphere: + sculptType = PrimMesher.SculptMesh.SculptType.sphere; + break; + default: + sculptType = PrimMesher.SculptMesh.SculptType.plane; + break; + } + + bool mirror = ((primShape.SculptType & 128) != 0); + bool invert = ((primShape.SculptType & 64) != 0); + + sculptMesh = new PrimMesher.SculptMesh((Bitmap)idata, sculptType, (int)lod, mirror, invert); + + idata.Dispose(); + +// sculptMesh.DumpRaw(baseDir, primName, "primMesh"); + + coords = sculptMesh.coords; + faces = sculptMesh.faces; + + return true; + } + + /// + /// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim. + /// + /// + /// + /// + /// Coords are added to this list by the method. + /// Faces are added to this list by the method. + /// true if coords and faces were successfully generated, false if not + private bool GenerateCoordsAndFacesFromPrimShapeData( + string primName, PrimitiveBaseShape primShape, float lod, out List coords, out List faces) + { + PrimMesh primMesh; + coords = new List(); + faces = new List(); + + float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f; + float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f; + float pathBegin = (float)primShape.PathBegin * 2.0e-5f; + float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f; + float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f; + float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f; + + float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f; + float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f; + + if (profileBegin < 0.0f) + profileBegin = 0.0f; + + if (profileEnd < 0.02f) + profileEnd = 0.02f; + else if (profileEnd > 1.0f) + profileEnd = 1.0f; + + if (profileBegin >= profileEnd) + profileBegin = profileEnd - 0.02f; + + float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f; + if (profileHollow > 0.95f) + profileHollow = 0.95f; + + int sides = 4; + LevelOfDetail iLOD = (LevelOfDetail)lod; + byte profshape = (byte)(primShape.ProfileCurve & 0x07); + + if (profshape == (byte)ProfileShape.EquilateralTriangle + || profshape == (byte)ProfileShape.IsometricTriangle + || profshape == (byte)ProfileShape.RightTriangle) + sides = 3; + else if (profshape == (byte)ProfileShape.Circle) + { + switch (iLOD) + { + case LevelOfDetail.High: sides = 24; break; + case LevelOfDetail.Medium: sides = 12; break; + case LevelOfDetail.Low: sides = 6; break; + case LevelOfDetail.VeryLow: sides = 3; break; + default: sides = 24; break; + } + } + else if (profshape == (byte)ProfileShape.HalfCircle) + { // half circle, prim is a sphere + switch (iLOD) + { + case LevelOfDetail.High: sides = 24; break; + case LevelOfDetail.Medium: sides = 12; break; + case LevelOfDetail.Low: sides = 6; break; + case LevelOfDetail.VeryLow: sides = 3; break; + default: sides = 24; break; + } + + profileBegin = 0.5f * profileBegin + 0.5f; + profileEnd = 0.5f * profileEnd + 0.5f; + } + + int hollowSides = sides; + if (primShape.HollowShape == HollowShape.Circle) + { + switch (iLOD) + { + case LevelOfDetail.High: hollowSides = 24; break; + case LevelOfDetail.Medium: hollowSides = 12; break; + case LevelOfDetail.Low: hollowSides = 6; break; + case LevelOfDetail.VeryLow: hollowSides = 3; break; + default: hollowSides = 24; break; + } + } + else if (primShape.HollowShape == HollowShape.Square) + hollowSides = 4; + else if (primShape.HollowShape == HollowShape.Triangle) + { + if (profshape == (byte)ProfileShape.HalfCircle) + hollowSides = 6; + else + hollowSides = 3; + } + + primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides); + + if (primMesh.errorMessage != null) + if (primMesh.errorMessage.Length > 0) + m_log.Error("[ERROR] " + primMesh.errorMessage); + + primMesh.topShearX = pathShearX; + primMesh.topShearY = pathShearY; + primMesh.pathCutBegin = pathBegin; + primMesh.pathCutEnd = pathEnd; + + if (primShape.PathCurve == (byte)Extrusion.Straight || primShape.PathCurve == (byte) Extrusion.Flexible) + { + primMesh.twistBegin = (primShape.PathTwistBegin * 18) / 10; + primMesh.twistEnd = (primShape.PathTwist * 18) / 10; + primMesh.taperX = pathScaleX; + primMesh.taperY = pathScaleY; + +#if SPAM + m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString()); +#endif + try + { + primMesh.ExtrudeLinear(); + } + catch (Exception ex) + { + ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh); + return false; + } + } + else + { + primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f; + primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f; + primMesh.radius = 0.01f * primShape.PathRadiusOffset; + primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions; + primMesh.skew = 0.01f * primShape.PathSkew; + primMesh.twistBegin = (primShape.PathTwistBegin * 36) / 10; + primMesh.twistEnd = (primShape.PathTwist * 36) / 10; + primMesh.taperX = primShape.PathTaperX * 0.01f; + primMesh.taperY = primShape.PathTaperY * 0.01f; + +#if SPAM + m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString()); +#endif + try + { + primMesh.ExtrudeCircular(); + } + catch (Exception ex) + { + ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh); + return false; + } + } + +// primMesh.DumpRaw(baseDir, primName, "primMesh"); + + coords = primMesh.coords; + faces = primMesh.faces; + + return true; + } + + public AMeshKey GetMeshUniqueKey(PrimitiveBaseShape primShape, Vector3 size, byte lod, bool convex) + { + AMeshKey key = new AMeshKey(); + Byte[] someBytes; + + key.hashB = 5181; + key.hashC = 5181; + ulong hash = 5381; + + if (primShape.SculptEntry) + { + key.uuid = primShape.SculptTexture; + key.hashC = mdjb2(key.hashC, primShape.SculptType); + key.hashC = mdjb2(key.hashC, primShape.PCode); + } + else + { + hash = mdjb2(hash, primShape.PathCurve); + hash = mdjb2(hash, (byte)primShape.HollowShape); + hash = mdjb2(hash, (byte)primShape.ProfileShape); + hash = mdjb2(hash, primShape.PathBegin); + hash = mdjb2(hash, primShape.PathEnd); + hash = mdjb2(hash, primShape.PathScaleX); + hash = mdjb2(hash, primShape.PathScaleY); + hash = mdjb2(hash, primShape.PathShearX); + key.hashA = hash; + hash = key.hashB; + hash = mdjb2(hash, primShape.PathShearY); + hash = mdjb2(hash, (byte)primShape.PathTwist); + hash = mdjb2(hash, (byte)primShape.PathTwistBegin); + hash = mdjb2(hash, (byte)primShape.PathRadiusOffset); + hash = mdjb2(hash, (byte)primShape.PathTaperX); + hash = mdjb2(hash, (byte)primShape.PathTaperY); + hash = mdjb2(hash, primShape.PathRevolutions); + hash = mdjb2(hash, (byte)primShape.PathSkew); + hash = mdjb2(hash, primShape.ProfileBegin); + hash = mdjb2(hash, primShape.ProfileEnd); + hash = mdjb2(hash, primShape.ProfileHollow); + hash = mdjb2(hash, primShape.PCode); + key.hashB = hash; + } + + hash = key.hashC; + + hash = mdjb2(hash, lod); + + if (size == m_MeshUnitSize) + { + hash = hash << 8; + hash |= 8; + } + else + { + someBytes = size.GetBytes(); + for (int i = 0; i < someBytes.Length; i++) + hash = mdjb2(hash, someBytes[i]); + hash = hash << 8; + } + + if (convex) + hash |= 4; + + if (primShape.SculptEntry) + { + hash |= 1; + if (primShape.SculptType == (byte)SculptType.Mesh) + hash |= 2; + } + + key.hashC = hash; + + return key; + } + + private ulong mdjb2(ulong hash, byte c) + { + return ((hash << 5) + hash) + (ulong)c; + } + + private ulong mdjb2(ulong hash, ushort c) + { + hash = ((hash << 5) + hash) + (ulong)((byte)c); + return ((hash << 5) + hash) + (ulong)(c >> 8); + } + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod) + { + return CreateMesh(primName, primShape, size, lod, false,false,false); + } + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical) + { + return CreateMesh(primName, primShape, size, lod, false,false,false); + } + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache, bool convex, bool forOde) + { + return CreateMesh(primName, primShape, size, lod, false, false, false); + } + + public IMesh GetMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex) + { + Mesh mesh = null; + + if (size.X < 0.01f) size.X = 0.01f; + if (size.Y < 0.01f) size.Y = 0.01f; + if (size.Z < 0.01f) size.Z = 0.01f; + + AMeshKey key = GetMeshUniqueKey(primShape, size, (byte)lod, convex); + lock (m_uniqueMeshes) + { + m_uniqueMeshes.TryGetValue(key, out mesh); + + if (mesh != null) + { + mesh.RefCount++; + return mesh; + } + + // try to find a identical mesh on meshs recently released + lock (m_uniqueReleasedMeshes) + { + m_uniqueReleasedMeshes.TryGetValue(key, out mesh); + if (mesh != null) + { + m_uniqueReleasedMeshes.Remove(key); + try + { + m_uniqueMeshes.Add(key, mesh); + } + catch { } + mesh.RefCount = 1; + return mesh; + } + } + } + return null; + } + + private static Vector3 m_MeshUnitSize = new Vector3(1.0f, 1.0f, 1.0f); + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex, bool forOde) + { +#if SPAM + m_log.DebugFormat("[MESH]: Creating mesh for {0}", primName); +#endif + + Mesh mesh = null; + + if (size.X < 0.01f) size.X = 0.01f; + if (size.Y < 0.01f) size.Y = 0.01f; + if (size.Z < 0.01f) size.Z = 0.01f; + + // try to find a identical mesh on meshs in use + + AMeshKey key = GetMeshUniqueKey(primShape,size,(byte)lod, convex); + + lock (m_uniqueMeshes) + { + m_uniqueMeshes.TryGetValue(key, out mesh); + + if (mesh != null) + { + mesh.RefCount++; + return mesh; + } + + // try to find a identical mesh on meshs recently released + lock (m_uniqueReleasedMeshes) + { + m_uniqueReleasedMeshes.TryGetValue(key, out mesh); + if (mesh != null) + { + m_uniqueReleasedMeshes.Remove(key); + try + { + m_uniqueMeshes.Add(key, mesh); + } + catch { } + mesh.RefCount = 1; + return mesh; + } + } + } + + Mesh UnitMesh = null; + AMeshKey unitKey = GetMeshUniqueKey(primShape, m_MeshUnitSize, (byte)lod, convex); + + lock (m_uniqueReleasedMeshes) + { + m_uniqueReleasedMeshes.TryGetValue(unitKey, out UnitMesh); + if (UnitMesh != null) + { + UnitMesh.RefCount = 1; + } + } + + if (UnitMesh == null && primShape.SculptEntry && doMeshFileCache) + UnitMesh = GetFromFileCache(unitKey); + + if (UnitMesh == null) + { + UnitMesh = CreateMeshFromPrimMesher(primName, primShape, lod, convex); + + if (UnitMesh == null) + return null; + + UnitMesh.DumpRaw(baseDir, unitKey.ToString(), "Z"); + + if (forOde) + { + // force pinned mem allocation + UnitMesh.PrepForOde(); + } + else + UnitMesh.TrimExcess(); + + UnitMesh.Key = unitKey; + UnitMesh.RefCount = 1; + + if (doMeshFileCache && primShape.SculptEntry) + StoreToFileCache(unitKey, UnitMesh); + + lock (m_uniqueReleasedMeshes) + { + try + { + m_uniqueReleasedMeshes.Add(unitKey, UnitMesh); + } + catch { } + } + } + + mesh = UnitMesh.Scale(size); + mesh.Key = key; + mesh.RefCount = 1; + lock (m_uniqueMeshes) + { + try + { + m_uniqueMeshes.Add(key, mesh); + } + catch { } + } + + return mesh; + } + + public void ReleaseMesh(IMesh imesh) + { + if (imesh == null) + return; + + Mesh mesh = (Mesh)imesh; + + lock (m_uniqueMeshes) + { + int curRefCount = mesh.RefCount; + curRefCount--; + + if (curRefCount > 0) + { + mesh.RefCount = curRefCount; + return; + } + + mesh.RefCount = 0; + m_uniqueMeshes.Remove(mesh.Key); + lock (m_uniqueReleasedMeshes) + { + try + { + m_uniqueReleasedMeshes.Add(mesh.Key, mesh); + } + catch { } + } + } + } + + public void ExpireReleaseMeshs() + { + if (m_uniqueReleasedMeshes.Count == 0) + return; + + List meshstodelete = new List(); + int refcntr; + + lock (m_uniqueReleasedMeshes) + { + foreach (Mesh m in m_uniqueReleasedMeshes.Values) + { + refcntr = m.RefCount; + refcntr--; + if (refcntr > -6) + m.RefCount = refcntr; + else + meshstodelete.Add(m); + } + + foreach (Mesh m in meshstodelete) + { + m_uniqueReleasedMeshes.Remove(m.Key); + m.releaseBuildingMeshData(); + m.releasePinned(); + } + } + } + + public void FileNames(AMeshKey key, out string dir,out string fullFileName) + { + string id = key.ToString(); + string init = id.Substring(0, 1); + dir = System.IO.Path.Combine(cachePath, init); + fullFileName = System.IO.Path.Combine(dir, id); + } + + public string FullFileName(AMeshKey key) + { + string id = key.ToString(); + string init = id.Substring(0,1); + id = System.IO.Path.Combine(init, id); + id = System.IO.Path.Combine(cachePath, id); + return id; + } + + private Mesh GetFromFileCache(AMeshKey key) + { + Mesh mesh = null; + string filename = FullFileName(key); + bool ok = true; + + lock (diskLock) + { + if (File.Exists(filename)) + { + FileStream stream = null; + try + { + stream = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.Read); + BinaryFormatter bformatter = new BinaryFormatter(); + + mesh = Mesh.FromStream(stream, key); + + } + catch (Exception e) + { + ok = false; + m_log.ErrorFormat( + "[MESH CACHE]: Failed to get file {0}. Exception {1} {2}", + filename, e.Message, e.StackTrace); + } + + if (stream != null) + stream.Close(); + + if (mesh == null || !ok) + File.Delete(filename); + else + File.SetLastAccessTimeUtc(filename, DateTime.UtcNow); + } + } + + return mesh; + } + + private void StoreToFileCache(AMeshKey key, Mesh mesh) + { + Stream stream = null; + bool ok = false; + + // Make sure the target cache directory exists + string dir = String.Empty; + string filename = String.Empty; + + FileNames(key, out dir, out filename); + + lock (diskLock) + { + try + { + if (!Directory.Exists(dir)) + { + Directory.CreateDirectory(dir); + } + + stream = File.Open(filename, FileMode.Create); + ok = mesh.ToStream(stream); + } + catch (IOException e) + { + m_log.ErrorFormat( + "[MESH CACHE]: Failed to write file {0}. Exception {1} {2}.", + filename, e.Message, e.StackTrace); + ok = false; + } + + if (stream != null) + stream.Close(); + + if (File.Exists(filename)) + { + if (ok) + File.SetLastAccessTimeUtc(filename, DateTime.UtcNow); + else + File.Delete(filename); + } + } + } + + public void ExpireFileCache() + { + if (!doCacheExpire) + return; + + string controlfile = System.IO.Path.Combine(cachePath, "cntr"); + + lock (diskLock) + { + try + { + if (File.Exists(controlfile)) + { + int ndeleted = 0; + int totalfiles = 0; + int ndirs = 0; + DateTime OlderTime = File.GetLastAccessTimeUtc(controlfile) - CacheExpire; + File.SetLastAccessTimeUtc(controlfile, DateTime.UtcNow); + + foreach (string dir in Directory.GetDirectories(cachePath)) + { + try + { + foreach (string file in Directory.GetFiles(dir)) + { + try + { + if (File.GetLastAccessTimeUtc(file) < OlderTime) + { + File.Delete(file); + ndeleted++; + } + } + catch { } + totalfiles++; + } + } + catch { } + ndirs++; + } + + if (ndeleted == 0) + m_log.InfoFormat("[MESH CACHE]: {0} Files in {1} cache folders, no expires", + totalfiles,ndirs); + else + m_log.InfoFormat("[MESH CACHE]: {0} Files in {1} cache folders, expired {2} files accessed before {3}", + totalfiles,ndirs, ndeleted, OlderTime.ToString()); + } + else + { + m_log.Info("[MESH CACHE]: Expire delayed to next startup"); + FileStream fs = File.Create(controlfile,4096,FileOptions.WriteThrough); + fs.Close(); + } + } + catch { } + } + } + } +} -- cgit v1.1