1417 lines
54 KiB
C#
1417 lines
54 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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//#define SPAM
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using System;
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using System.Collections.Generic;
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using OpenSim.Framework;
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using OpenSim.Region.Physics.Manager;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO.Compression;
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using PrimMesher;
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using log4net;
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using Nini.Config;
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using System.Reflection;
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using System.IO;
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using ComponentAce.Compression.Libs.zlib;
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using OpenSim.Region.Physics.ConvexDecompositionDotNet;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters.Binary;
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namespace OpenSim.Region.Physics.Meshing
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{
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public class MeshmerizerPlugin : IMeshingPlugin
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{
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public MeshmerizerPlugin()
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{
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}
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public string GetName()
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{
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return "UbitMeshmerizer";
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}
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public IMesher GetMesher(IConfigSource config)
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{
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return new Meshmerizer(config);
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}
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}
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public class Meshmerizer : IMesher
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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// Setting baseDir to a path will enable the dumping of raw files
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// raw files can be imported by blender so a visual inspection of the results can be done
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public object diskLock = new object();
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public bool doMeshFileCache = true;
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public string cachePath = "MeshCache";
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public TimeSpan CacheExpire;
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public bool doCacheExpire = true;
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// const string baseDir = "rawFiles";
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private const string baseDir = null; //"rawFiles";
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private bool useMeshiesPhysicsMesh = false;
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private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh
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private Dictionary<AMeshKey, Mesh> m_uniqueMeshes = new Dictionary<AMeshKey, Mesh>();
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private Dictionary<AMeshKey, Mesh> m_uniqueReleasedMeshes = new Dictionary<AMeshKey, Mesh>();
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public Meshmerizer(IConfigSource config)
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{
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IConfig start_config = config.Configs["Startup"];
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IConfig mesh_config = config.Configs["Mesh"];
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float fcache = 48.0f;
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// float fcache = 0.02f;
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if(mesh_config != null)
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{
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useMeshiesPhysicsMesh = mesh_config.GetBoolean("UseMeshiesPhysicsMesh", useMeshiesPhysicsMesh);
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if (useMeshiesPhysicsMesh)
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{
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doMeshFileCache = mesh_config.GetBoolean("MeshFileCache", doMeshFileCache);
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cachePath = mesh_config.GetString("MeshFileCachePath", cachePath);
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fcache = mesh_config.GetFloat("MeshFileCacheExpireHours", fcache);
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doCacheExpire = mesh_config.GetBoolean("MeshFileCacheDoExpire", doCacheExpire);
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}
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else
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{
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doMeshFileCache = false;
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doCacheExpire = false;
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}
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}
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CacheExpire = TimeSpan.FromHours(fcache);
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}
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/// <summary>
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/// creates a simple box mesh of the specified size. This mesh is of very low vertex count and may
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/// be useful as a backup proxy when level of detail is not needed or when more complex meshes fail
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/// for some reason
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/// </summary>
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/// <param name="minX"></param>
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/// <param name="maxX"></param>
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/// <param name="minY"></param>
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/// <param name="maxY"></param>
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/// <param name="minZ"></param>
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/// <param name="maxZ"></param>
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/// <returns></returns>
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private static Mesh CreateSimpleBoxMesh(float minX, float maxX, float minY, float maxY, float minZ, float maxZ)
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{
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Mesh box = new Mesh();
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List<Vertex> vertices = new List<Vertex>();
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// bottom
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vertices.Add(new Vertex(minX, maxY, minZ));
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vertices.Add(new Vertex(maxX, maxY, minZ));
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vertices.Add(new Vertex(maxX, minY, minZ));
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vertices.Add(new Vertex(minX, minY, minZ));
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box.Add(new Triangle(vertices[0], vertices[1], vertices[2]));
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box.Add(new Triangle(vertices[0], vertices[2], vertices[3]));
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// top
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vertices.Add(new Vertex(maxX, maxY, maxZ));
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vertices.Add(new Vertex(minX, maxY, maxZ));
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vertices.Add(new Vertex(minX, minY, maxZ));
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vertices.Add(new Vertex(maxX, minY, maxZ));
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box.Add(new Triangle(vertices[4], vertices[5], vertices[6]));
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box.Add(new Triangle(vertices[4], vertices[6], vertices[7]));
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// sides
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box.Add(new Triangle(vertices[5], vertices[0], vertices[3]));
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box.Add(new Triangle(vertices[5], vertices[3], vertices[6]));
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box.Add(new Triangle(vertices[1], vertices[0], vertices[5]));
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box.Add(new Triangle(vertices[1], vertices[5], vertices[4]));
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box.Add(new Triangle(vertices[7], vertices[1], vertices[4]));
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box.Add(new Triangle(vertices[7], vertices[2], vertices[1]));
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box.Add(new Triangle(vertices[3], vertices[2], vertices[7]));
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box.Add(new Triangle(vertices[3], vertices[7], vertices[6]));
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return box;
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}
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/// <summary>
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/// Creates a simple bounding box mesh for a complex input mesh
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/// </summary>
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/// <param name="meshIn"></param>
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/// <returns></returns>
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private static Mesh CreateBoundingBoxMesh(Mesh meshIn)
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{
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float minX = float.MaxValue;
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float maxX = float.MinValue;
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float minY = float.MaxValue;
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float maxY = float.MinValue;
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float minZ = float.MaxValue;
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float maxZ = float.MinValue;
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foreach (Vector3 v in meshIn.getVertexList())
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{
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if (v.X < minX) minX = v.X;
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if (v.Y < minY) minY = v.Y;
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if (v.Z < minZ) minZ = v.Z;
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if (v.X > maxX) maxX = v.X;
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if (v.Y > maxY) maxY = v.Y;
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if (v.Z > maxZ) maxZ = v.Z;
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}
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return CreateSimpleBoxMesh(minX, maxX, minY, maxY, minZ, maxZ);
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}
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private void ReportPrimError(string message, string primName, PrimMesh primMesh)
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{
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m_log.Error(message);
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m_log.Error("\nPrim Name: " + primName);
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m_log.Error("****** PrimMesh Parameters ******\n" + primMesh.ParamsToDisplayString());
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}
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/// <summary>
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/// Add a submesh to an existing list of coords and faces.
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/// </summary>
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/// <param name="subMeshData"></param>
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/// <param name="size">Size of entire object</param>
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/// <param name="coords"></param>
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/// <param name="faces"></param>
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private void AddSubMesh(OSDMap subMeshData, List<Coord> coords, List<Face> faces)
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{
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// Console.WriteLine("subMeshMap for {0} - {1}", primName, Util.GetFormattedXml((OSD)subMeshMap));
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// As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level
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// of Detail Blocks (maps) contain just a NoGeometry key to signal there is no
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// geometry for this submesh.
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if (subMeshData.ContainsKey("NoGeometry") && ((OSDBoolean)subMeshData["NoGeometry"]))
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return;
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OpenMetaverse.Vector3 posMax;
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OpenMetaverse.Vector3 posMin;
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if (subMeshData.ContainsKey("PositionDomain"))
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{
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posMax = ((OSDMap)subMeshData["PositionDomain"])["Max"].AsVector3();
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posMin = ((OSDMap)subMeshData["PositionDomain"])["Min"].AsVector3();
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}
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else
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{
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posMax = new Vector3(0.5f, 0.5f, 0.5f);
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posMin = new Vector3(-0.5f, -0.5f, -0.5f);
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}
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ushort faceIndexOffset = (ushort)coords.Count;
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byte[] posBytes = subMeshData["Position"].AsBinary();
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for (int i = 0; i < posBytes.Length; i += 6)
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{
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ushort uX = Utils.BytesToUInt16(posBytes, i);
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ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
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ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);
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Coord c = new Coord(
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Utils.UInt16ToFloat(uX, posMin.X, posMax.X),
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Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y),
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Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z));
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coords.Add(c);
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}
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byte[] triangleBytes = subMeshData["TriangleList"].AsBinary();
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for (int i = 0; i < triangleBytes.Length; i += 6)
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{
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ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i) + faceIndexOffset);
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ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2) + faceIndexOffset);
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ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4) + faceIndexOffset);
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Face f = new Face(v1, v2, v3);
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faces.Add(f);
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}
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}
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/// <summary>
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/// Create a physics mesh from data that comes with the prim. The actual data used depends on the prim type.
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/// </summary>
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/// <param name="primName"></param>
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/// <param name="primShape"></param>
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/// <param name="size"></param>
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/// <param name="lod"></param>
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/// <returns></returns>
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private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, float lod, bool convex)
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{
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// m_log.DebugFormat(
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// "[MESH]: Creating physics proxy for {0}, shape {1}",
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// primName, (OpenMetaverse.SculptType)primShape.SculptType);
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List<Coord> coords;
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List<Face> faces;
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if (primShape.SculptEntry)
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{
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if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh)
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{
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if (!useMeshiesPhysicsMesh)
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return null;
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if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, out coords, out faces, convex))
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return null;
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}
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else
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{
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if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, lod, out coords, out faces))
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return null;
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}
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}
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else
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{
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if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, lod, out coords, out faces))
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return null;
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}
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primShape.SculptData = Utils.EmptyBytes;
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int numCoords = coords.Count;
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int numFaces = faces.Count;
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Mesh mesh = new Mesh();
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// Add the corresponding triangles to the mesh
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for (int i = 0; i < numFaces; i++)
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{
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Face f = faces[i];
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mesh.Add(new Triangle(coords[f.v1].X, coords[f.v1].Y, coords[f.v1].Z,
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coords[f.v2].X, coords[f.v2].Y, coords[f.v2].Z,
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coords[f.v3].X, coords[f.v3].Y, coords[f.v3].Z));
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}
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coords.Clear();
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faces.Clear();
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return mesh;
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}
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/// <summary>
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/// Generate the co-ords and faces necessary to construct a mesh from the mesh data the accompanies a prim.
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/// </summary>
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/// <param name="primName"></param>
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/// <param name="primShape"></param>
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/// <param name="size"></param>
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/// <param name="coords">Coords are added to this list by the method.</param>
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/// <param name="faces">Faces are added to this list by the method.</param>
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/// <returns>true if coords and faces were successfully generated, false if not</returns>
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private bool GenerateCoordsAndFacesFromPrimMeshData(
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string primName, PrimitiveBaseShape primShape, out List<Coord> coords, out List<Face> faces, bool convex)
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{
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// m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName);
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bool usemesh = false;
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coords = new List<Coord>();
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faces = new List<Face>();
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OSD meshOsd = null;
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if (primShape.SculptData.Length <= 0)
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{
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// m_log.InfoFormat("[MESH]: asset data for {0} is zero length", primName);
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return false;
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}
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long start = 0;
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using (MemoryStream data = new MemoryStream(primShape.SculptData))
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{
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try
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{
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OSD osd = OSDParser.DeserializeLLSDBinary(data);
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if (osd is OSDMap)
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meshOsd = (OSDMap)osd;
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else
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{
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m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap");
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return false;
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}
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}
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catch (Exception e)
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{
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m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString());
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}
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start = data.Position;
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}
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if (meshOsd is OSDMap)
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{
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OSDMap physicsParms = null;
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OSDMap map = (OSDMap)meshOsd;
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if (!convex)
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{
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if (map.ContainsKey("physics_shape"))
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physicsParms = (OSDMap)map["physics_shape"]; // old asset format
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else if (map.ContainsKey("physics_mesh"))
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physicsParms = (OSDMap)map["physics_mesh"]; // new asset format
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if (physicsParms != null)
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usemesh = true;
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}
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if(!usemesh && (map.ContainsKey("physics_convex")))
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physicsParms = (OSDMap)map["physics_convex"];
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if (physicsParms == null)
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{
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m_log.Warn("[MESH]: unknown mesh type");
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return false;
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}
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int physOffset = physicsParms["offset"].AsInteger() + (int)start;
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int physSize = physicsParms["size"].AsInteger();
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if (physOffset < 0 || physSize == 0)
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return false; // no mesh data in asset
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OSD decodedMeshOsd = new OSD();
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byte[] meshBytes = new byte[physSize];
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System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
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try
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{
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using (MemoryStream inMs = new MemoryStream(meshBytes))
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{
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using (MemoryStream outMs = new MemoryStream())
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{
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using (ZOutputStream zOut = new ZOutputStream(outMs))
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{
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byte[] readBuffer = new byte[2048];
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int readLen = 0;
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while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0)
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{
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zOut.Write(readBuffer, 0, readLen);
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}
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zOut.Flush();
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outMs.Seek(0, SeekOrigin.Begin);
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byte[] decompressedBuf = outMs.GetBuffer();
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decodedMeshOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
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}
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}
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}
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}
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catch (Exception e)
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{
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m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString());
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return false;
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}
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if (usemesh)
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{
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OSDArray decodedMeshOsdArray = null;
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// physics_shape is an array of OSDMaps, one for each submesh
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if (decodedMeshOsd is OSDArray)
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{
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// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
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decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
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foreach (OSD subMeshOsd in decodedMeshOsdArray)
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{
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if (subMeshOsd is OSDMap)
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AddSubMesh(subMeshOsd as OSDMap, coords, faces);
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}
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}
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}
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else
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{
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OSDMap cmap = (OSDMap)decodedMeshOsd;
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if (cmap == null)
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return false;
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byte[] data;
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List<float3> vs = new List<float3>();
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PHullResult hullr = new PHullResult();
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float3 f3;
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Coord c;
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Face f;
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Vector3 range;
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Vector3 min;
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const float invMaxU16 = 1.0f / 65535f;
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int t1;
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int t2;
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int t3;
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int i;
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int nverts;
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int nindexs;
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if (cmap.ContainsKey("Max"))
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range = cmap["Max"].AsVector3();
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else
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range = new Vector3(0.5f, 0.5f, 0.5f);
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if (cmap.ContainsKey("Min"))
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min = cmap["Min"].AsVector3();
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else
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min = new Vector3(-0.5f, -0.5f, -0.5f);
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range = range - min;
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range *= invMaxU16;
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if (!convex && cmap.ContainsKey("HullList") && cmap.ContainsKey("Positions"))
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{
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List<int> hsizes = new List<int>();
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int totalpoints = 0;
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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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generate the co-ords and faces necessary to construct a mesh from the sculpt data the accompanies a prim.
|
|
/// </summary>
|
|
/// <param name="primName"></param>
|
|
/// <param name="primShape"></param>
|
|
/// <param name="size"></param>
|
|
/// <param name="lod"></param>
|
|
/// <param name="coords">Coords are added to this list by the method.</param>
|
|
/// <param name="faces">Faces are added to this list by the method.</param>
|
|
/// <returns>true if coords and faces were successfully generated, false if not</returns>
|
|
private bool GenerateCoordsAndFacesFromPrimSculptData(
|
|
string primName, PrimitiveBaseShape primShape, float lod, out List<Coord> coords, out List<Face> faces)
|
|
{
|
|
coords = new List<Coord>();
|
|
faces = new List<Face>();
|
|
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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim.
|
|
/// </summary>
|
|
/// <param name="primName"></param>
|
|
/// <param name="primShape"></param>
|
|
/// <param name="size"></param>
|
|
/// <param name="coords">Coords are added to this list by the method.</param>
|
|
/// <param name="faces">Faces are added to this list by the method.</param>
|
|
/// <returns>true if coords and faces were successfully generated, false if not</returns>
|
|
private bool GenerateCoordsAndFacesFromPrimShapeData(
|
|
string primName, PrimitiveBaseShape primShape, float lod, out List<Coord> coords, out List<Face> faces)
|
|
{
|
|
PrimMesh primMesh;
|
|
coords = new List<Coord>();
|
|
faces = new List<Face>();
|
|
|
|
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");
|
|
|
|
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 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);
|
|
lock (m_uniqueMeshes)
|
|
{
|
|
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);
|
|
lock (m_uniqueMeshes)
|
|
{
|
|
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<Mesh> meshstodelete = new List<Mesh>();
|
|
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 { }
|
|
}
|
|
}
|
|
}
|
|
}
|