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. --- OpenSim/Region/Physics/Meshing/Meshmerizer.cs | 761 -------------------------- 1 file changed, 761 deletions(-) delete mode 100644 OpenSim/Region/Physics/Meshing/Meshmerizer.cs (limited to 'OpenSim/Region/Physics/Meshing/Meshmerizer.cs') diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs deleted file mode 100644 index 8145d61..0000000 --- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs +++ /dev/null @@ -1,761 +0,0 @@ -/* - * 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.Physics.Manager; -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; - -namespace OpenSim.Region.Physics.Meshing -{ - public class MeshmerizerPlugin : IMeshingPlugin - { - public MeshmerizerPlugin() - { - } - - public string GetName() - { - return "Meshmerizer"; - } - - public IMesher GetMesher(IConfigSource config) - { - return new Meshmerizer(config); - } - } - - public class Meshmerizer : IMesher - { - 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 -#if SPAM - const string baseDir = "rawFiles"; -#else - private const string baseDir = null; //"rawFiles"; -#endif - - 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 Dictionary m_uniqueMeshes = new Dictionary(); - - public Meshmerizer(IConfigSource config) - { - IConfig start_config = config.Configs["Startup"]; - IConfig mesh_config = config.Configs["Mesh"]; - - decodedSculptMapPath = start_config.GetString("DecodedSculptMapPath","j2kDecodeCache"); - cacheSculptMaps = start_config.GetBoolean("CacheSculptMaps", cacheSculptMaps); - if(mesh_config != null) - useMeshiesPhysicsMesh = mesh_config.GetBoolean("UseMeshiesPhysicsMesh", useMeshiesPhysicsMesh); - - try - { - if (!Directory.Exists(decodedSculptMapPath)) - Directory.CreateDirectory(decodedSculptMapPath); - } - catch (Exception e) - { - m_log.WarnFormat("[SCULPT]: Unable to create {0} directory: ", decodedSculptMapPath, e.Message); - } - } - - /// - /// 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; - - 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 - else if (map.ContainsKey("physics_mesh")) - physicsParms = (OSDMap)map["physics_mesh"]; // new asset format - - 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 - { - 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; - } - - 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); - } - } - } - - 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, 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 unusedData; - OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out unusedData, out idata); - - 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; - } - - unusedData = null; - - //idata = CSJ2K.J2kImage.FromBytes(primShape.SculptData); - - 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; - } - - 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); - 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) - { - m_uniqueMeshes.Add(key, mesh); - } - } - - return mesh; - } - } -} -- cgit v1.1