From 134f86e8d5c414409631b25b8c6f0ee45fbd8631 Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Thu, 3 Nov 2016 21:44:39 +1000 Subject: Initial update to OpenSim 0.8.2.1 source code. --- .../Meshing/Meshmerizer/Meshmerizer.cs | 1010 ++++++++++++++++++++ 1 file changed, 1010 insertions(+) create mode 100644 OpenSim/Region/PhysicsModules/Meshing/Meshmerizer/Meshmerizer.cs (limited to 'OpenSim/Region/PhysicsModules/Meshing/Meshmerizer/Meshmerizer.cs') diff --git a/OpenSim/Region/PhysicsModules/Meshing/Meshmerizer/Meshmerizer.cs b/OpenSim/Region/PhysicsModules/Meshing/Meshmerizer/Meshmerizer.cs new file mode 100644 index 0000000..4d25bf3 --- /dev/null +++ b/OpenSim/Region/PhysicsModules/Meshing/Meshmerizer/Meshmerizer.cs @@ -0,0 +1,1010 @@ +/* + * 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 System.Reflection; +using System.IO; +using OpenSim.Framework; +using OpenSim.Region.Framework.Scenes; +using OpenSim.Region.Framework.Interfaces; +using OpenSim.Region.PhysicsModules.SharedBase; +using OpenMetaverse; +using OpenMetaverse.StructuredData; +using System.Drawing; +using System.Drawing.Imaging; +using System.IO.Compression; +using PrimMesher; +using log4net; +using Nini.Config; +using Mono.Addins; + +namespace OpenSim.Region.PhysicsModules.Meshing +{ + [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "Meshmerizer")] + public class Meshmerizer : IMesher, INonSharedRegionModule + { + 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 +#if SPAM + const string baseDir = "rawFiles"; +#else + private const string baseDir = null; //"rawFiles"; +#endif + private bool m_Enabled = false; + + // If 'true', lots of DEBUG logging of asset parsing details + private bool debugDetail = false; + + private bool cacheSculptMaps = true; + private string decodedSculptMapPath = null; + private bool useMeshiesPhysicsMesh = false; + + private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh + + private List> mConvexHulls = null; + private List mBoundingHull = null; + + // Mesh cache. Static so it can be shared across instances of this class + private static Dictionary m_uniqueMeshes = new Dictionary(); + + #region INonSharedRegionModule + public string Name + { + get { return "Meshmerizer"; } + } + + public Type ReplaceableInterface + { + get { return null; } + } + + public void Initialise(IConfigSource source) + { + IConfig config = source.Configs["Startup"]; + if (config != null) + { + string mesher = config.GetString("meshing", string.Empty); + if (mesher == Name) + { + m_Enabled = true; + + IConfig mesh_config = source.Configs["Mesh"]; + + decodedSculptMapPath = config.GetString("DecodedSculptMapPath", "j2kDecodeCache"); + cacheSculptMaps = config.GetBoolean("CacheSculptMaps", cacheSculptMaps); + if (mesh_config != null) + { + useMeshiesPhysicsMesh = mesh_config.GetBoolean("UseMeshiesPhysicsMesh", useMeshiesPhysicsMesh); + debugDetail = mesh_config.GetBoolean("LogMeshDetails", debugDetail); + } + + try + { + if (!Directory.Exists(decodedSculptMapPath)) + Directory.CreateDirectory(decodedSculptMapPath); + } + catch (Exception e) + { + m_log.WarnFormat("[SCULPT]: Unable to create {0} directory: ", decodedSculptMapPath, e.Message); + } + + } + } + } + + 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, Vector3 size, 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 = ((OSDMap)subMeshData["PositionDomain"])["Max"].AsVector3(); + OpenMetaverse.Vector3 posMin = ((OSDMap)subMeshData["PositionDomain"])["Min"].AsVector3(); + 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) * size.X, + Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y) * size.Y, + Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z) * size.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, Vector3 size, float lod) + { +// 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, size, out coords, out faces)) + return null; + } + else + { + if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, size, lod, out coords, out faces)) + return null; + } + } + else + { + if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, size, lod, out coords, out faces)) + return null; + } + + // Remove the reference to any JPEG2000 sculpt data so it can be GCed + primShape.SculptData = Utils.EmptyBytes; + + int numCoords = coords.Count; + int numFaces = faces.Count; + + // Create the list of vertices + List vertices = new List(); + for (int i = 0; i < numCoords; i++) + { + Coord c = coords[i]; + vertices.Add(new Vertex(c.X, c.Y, c.Z)); + } + + 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(vertices[f.v1], vertices[f.v2], vertices[f.v3])); + } + + 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, Vector3 size, out List coords, out List faces) + { +// m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName); + + coords = new List(); + faces = new List(); + 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 + // method twice - once before it has loaded sculpt data from the asset service and once afterwards. + // The first time will always call with unloaded SculptData if this needs to be uploaded. +// m_log.ErrorFormat("[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 (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 + OSD convexBlockOsd = null; + try + { + OSDMap convexBlock = (OSDMap)map["physics_convex"]; + { + int convexOffset = convexBlock["offset"].AsInteger() + (int)start; + int convexSize = convexBlock["size"].AsInteger(); + + byte[] convexBytes = new byte[convexSize]; + + System.Buffer.BlockCopy(primShape.SculptData, convexOffset, convexBytes, 0, convexSize); + + try + { + convexBlockOsd = DecompressOsd(convexBytes); + } + 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; + + if (debugDetail) + { + string keys = LogHeader + " keys found in convexBlock: "; + foreach (KeyValuePair kvp in convexBlock) + keys += "'" + kvp.Key + "' "; + m_log.Debug(keys); + } + + 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 boundingHull = null; + + if (convexBlock.ContainsKey("BoundingVerts")) + { + byte[] boundingVertsBytes = convexBlock["BoundingVerts"].AsBinary(); + boundingHull = new List(); + 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. nVerts={2}", LogHeader, primName, mBoundingHull.Count); + } + + if (convexBlock.ContainsKey("HullList")) + { + byte[] hullList = convexBlock["HullList"].AsBinary(); + + byte[] posBytes = convexBlock["Positions"].AsBinary(); + + List> hulls = new List>(); + int posNdx = 0; + + foreach (byte cnt in hullList) + { + int count = cnt == 0 ? 256 : cnt; + List hull = new List(); + + 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) + { + m_log.WarnFormat("{0} exception decoding convex block: {1}", LogHeader, e); + } + } + + if (physicsParms == null) + { + m_log.WarnFormat("[MESH]: No recognized physics mesh found in mesh asset for {0}", primName); + 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); + // byte[] decompressed = new byte[physSize * 5]; + try + { + decodedMeshOsd = DecompressOsd(meshBytes); + } + catch (Exception e) + { + m_log.ErrorFormat("{0} prim='{1}': exception decoding physical mesh: {2}", LogHeader, primName, e); + return false; + } + + 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, 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); + } + } + + return true; + } + + /// + /// decompresses a gzipped OSD object + /// + /// the OSD object + /// + /// + private static OSD DecompressOsd(byte[] meshBytes) + { + OSD decodedOsd = null; + + using (MemoryStream inMs = new MemoryStream(meshBytes)) + { + using (MemoryStream outMs = new MemoryStream()) + { + using (DeflateStream decompressionStream = new DeflateStream(inMs, CompressionMode.Decompress)) + { + byte[] readBuffer = new byte[2048]; + inMs.Read(readBuffer, 0, 2); // skip first 2 bytes in header + int readLen = 0; + + while ((readLen = decompressionStream.Read(readBuffer, 0, readBuffer.Length)) > 0) + outMs.Write(readBuffer, 0, readLen); + + outMs.Flush(); + + outMs.Seek(0, SeekOrigin.Begin); + + byte[] decompressedBuf = outMs.GetBuffer(); + + decodedOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf); + } + } + } + return decodedOsd; + } + + /// + /// 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, Vector3 size, float lod, out List coords, out List faces) + { + coords = new List(); + faces = new List(); + PrimMesher.SculptMesh sculptMesh; + Image idata = null; + string decodedSculptFileName = ""; + + if (cacheSculptMaps && primShape.SculptTexture != UUID.Zero) + { + decodedSculptFileName = System.IO.Path.Combine(decodedSculptMapPath, "smap_" + primShape.SculptTexture.ToString()); + try + { + if (File.Exists(decodedSculptFileName)) + { + idata = Image.FromFile(decodedSculptFileName); + } + } + catch (Exception e) + { + m_log.Error("[SCULPT]: unable to load cached sculpt map " + decodedSculptFileName + " " + e.Message); + + } + //if (idata != null) + // m_log.Debug("[SCULPT]: loaded cached map asset for map ID: " + primShape.SculptTexture.ToString()); + } + + if (idata == null) + { + if (primShape.SculptData == null || primShape.SculptData.Length == 0) + return false; + + try + { + OpenMetaverse.Imaging.ManagedImage managedImage; + + OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out managedImage); + + if (managedImage == 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; + } + + if ((managedImage.Channels & OpenMetaverse.Imaging.ManagedImage.ImageChannels.Alpha) != 0) + managedImage.ConvertChannels(managedImage.Channels & ~OpenMetaverse.Imaging.ManagedImage.ImageChannels.Alpha); + + Bitmap imgData = OpenMetaverse.Imaging.LoadTGAClass.LoadTGA(new MemoryStream(managedImage.ExportTGA())); + idata = (Image)imgData; + managedImage = null; + + if (cacheSculptMaps) + { + try { idata.Save(decodedSculptFileName, ImageFormat.MemoryBmp); } + catch (Exception e) { m_log.Error("[SCULPT]: unable to cache sculpt map " + decodedSculptFileName + " " + e.Message); } + } + } + 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; + switch ((OpenMetaverse.SculptType)primShape.SculptType) + { + 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, false, mirror, invert); + + idata.Dispose(); + + sculptMesh.DumpRaw(baseDir, primName, "primMesh"); + + sculptMesh.Scale(size.X, size.Y, size.Z); + + 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, Vector3 size, 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; + float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f; + if (profileHollow > 0.95f) + profileHollow = 0.95f; + + int sides = 4; + LevelOfDetail iLOD = (LevelOfDetail)lod; + if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle) + sides = 3; + else if ((primShape.ProfileCurve & 0x07) == (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 ((primShape.ProfileCurve & 0x07) == (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) + 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 (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f) + { + ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh); + if (profileBegin < 0.0f) profileBegin = 0.0f; + if (profileEnd > 1.0f) profileEnd = 1.0f; + } +#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 (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f) + { + ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh); + if (profileBegin < 0.0f) profileBegin = 0.0f; + if (profileEnd > 1.0f) profileEnd = 1.0f; + } +#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"); + + primMesh.Scale(size.X, size.Y, size.Z); + + coords = primMesh.coords; + faces = primMesh.faces; + + return true; + } + + /// + /// temporary prototype code - please do not use until the interface has been finalized! + /// + /// value to scale the hull points by + /// a list of vertices in the bounding hull if it exists and has been successfully decoded, otherwise null + public List GetBoundingHull(Vector3 size) + { + if (mBoundingHull == null) + return null; + + List verts = new List(); + foreach (var vert in mBoundingHull) + verts.Add(vert * size); + + return verts; + } + + /// + /// temporary prototype code - please do not use until the interface has been finalized! + /// + /// value to scale the hull points by + /// a list of hulls if they exist and have been successfully decoded, otherwise null + public List> GetConvexHulls(Vector3 size) + { + if (mConvexHulls == null) + return null; + + List> hulls = new List>(); + foreach (var hull in mConvexHulls) + { + List verts = new List(); + foreach (var vert in hull) + verts.Add(vert * size); + hulls.Add(verts); + } + + return hulls; + } + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod) + { + return CreateMesh(primName, primShape, size, lod, false, true); + } + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical) + { + return CreateMesh(primName, primShape, size, lod, isPhysical, true); + } + + public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache) + { +#if SPAM + m_log.DebugFormat("[MESH]: Creating mesh for {0}", primName); +#endif + + Mesh mesh = null; + ulong key = 0; + + // If this mesh has been created already, return it instead of creating another copy + // For large regions with 100k+ prims and hundreds of copies of each, this can save a GB or more of memory + if (shouldCache) + { + key = primShape.GetMeshKey(size, lod); + lock (m_uniqueMeshes) + { + if (m_uniqueMeshes.TryGetValue(key, out mesh)) + return mesh; + } + } + + 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; + + mesh = CreateMeshFromPrimMesher(primName, primShape, size, lod); + + if (mesh != null) + { + if ((!isPhysical) && size.X < minSizeForComplexMesh && size.Y < minSizeForComplexMesh && size.Z < minSizeForComplexMesh) + { +#if SPAM + m_log.Debug("Meshmerizer: prim " + primName + " has a size of " + size.ToString() + " which is below threshold of " + + minSizeForComplexMesh.ToString() + " - creating simple bounding box"); +#endif + mesh = CreateBoundingBoxMesh(mesh); + mesh.DumpRaw(baseDir, primName, "Z extruded"); + } + + // trim the vertex and triangle lists to free up memory + mesh.TrimExcess(); + + if (shouldCache) + { + lock (m_uniqueMeshes) + { + m_uniqueMeshes.Add(key, mesh); + } + } + } + + return mesh; + } + + } +} -- cgit v1.1