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/*
* 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 OpenSim 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.Imaging;
using System.Drawing;
using System.Drawing.Imaging;
using PrimMesher;
using log4net;
using System.Reflection;
using System.IO;
namespace OpenSim.Region.Physics.Meshing
{
public class MeshmerizerPlugin : IMeshingPlugin
{
public MeshmerizerPlugin()
{
}
public string GetName()
{
return "Meshmerizer";
}
public IMesher GetMesher()
{
return new Meshmerizer();
}
}
public class Meshmerizer : IMesher
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
//private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.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 decodedScultMapPath = "j2kDecodeCache";
private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh
/// <summary>
/// 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
/// </summary>
/// <param name="minX"></param>
/// <param name="maxX"></param>
/// <param name="minY"></param>
/// <param name="maxY"></param>
/// <param name="minZ"></param>
/// <param name="maxZ"></param>
/// <returns></returns>
private static Mesh CreateSimpleBoxMesh(float minX, float maxX, float minY, float maxY, float minZ, float maxZ)
{
Mesh box = new Mesh();
// bottom
box.Add(new Vertex(minX, maxY, minZ));
box.Add(new Vertex(maxX, maxY, minZ));
box.Add(new Vertex(maxX, minY, minZ));
box.Add(new Vertex(minX, minY, minZ));
box.Add(new Triangle(box.vertices[0], box.vertices[1], box.vertices[2]));
box.Add(new Triangle(box.vertices[0], box.vertices[2], box.vertices[3]));
// top
box.Add(new Vertex(maxX, maxY, maxZ));
box.Add(new Vertex(minX, maxY, maxZ));
box.Add(new Vertex(minX, minY, maxZ));
box.Add(new Vertex(maxX, minY, maxZ));
box.Add(new Triangle(box.vertices[4], box.vertices[5], box.vertices[6]));
box.Add(new Triangle(box.vertices[4], box.vertices[6], box.vertices[7]));
// sides
box.Add(new Triangle(box.vertices[5], box.vertices[0], box.vertices[3]));
box.Add(new Triangle(box.vertices[5], box.vertices[3], box.vertices[6]));
box.Add(new Triangle(box.vertices[1], box.vertices[0], box.vertices[5]));
box.Add(new Triangle(box.vertices[1], box.vertices[5], box.vertices[4]));
box.Add(new Triangle(box.vertices[7], box.vertices[1], box.vertices[4]));
box.Add(new Triangle(box.vertices[7], box.vertices[2], box.vertices[1]));
box.Add(new Triangle(box.vertices[3], box.vertices[2], box.vertices[7]));
box.Add(new Triangle(box.vertices[3], box.vertices[7], box.vertices[6]));
return box;
}
/// <summary>
/// Creates a simple bounding box mesh for a complex input mesh
/// </summary>
/// <param name="meshIn"></param>
/// <returns></returns>
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 (Vertex v in meshIn.vertices)
{
if (v != null)
{
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());
}
public Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod)
{
Mesh mesh = new Mesh();
PrimMesh primMesh;
PrimMesher.SculptMesh sculptMesh;
List<Coord> coords;
List<Face> faces;
Image idata = null;
string decodedSculptFileName = "";
if (primShape.SculptEntry)
{
if (cacheSculptMaps && primShape.SculptTexture != null)
{
decodedSculptFileName = System.IO.Path.Combine(decodedScultMapPath, "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.Length == 0)
return null;
try
{
ManagedImage managedImage; // we never use this
OpenJPEG.DecodeToImage(primShape.SculptData, out managedImage, out idata);
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 null;
}
catch (IndexOutOfRangeException)
{
m_log.Error("[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed");
return null;
}
catch (Exception)
{
m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed!");
return null;
}
}
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;
}
else
{
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;
if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
sides = 3;
else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
sides = 24;
else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
{ // half circle, prim is a sphere
sides = 24;
profileBegin = 0.5f * profileBegin + 0.5f;
profileEnd = 0.5f * profileEnd + 0.5f;
}
int hollowSides = sides;
if (primShape.HollowShape == HollowShape.Circle)
hollowSides = 24;
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)
{
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 null;
}
}
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 null;
}
}
primMesh.DumpRaw(baseDir, primName, "primMesh");
primMesh.Scale(size.X, size.Y, size.Z);
coords = primMesh.coords;
faces = primMesh.faces;
}
int numCoords = coords.Count;
int numFaces = faces.Count;
for (int i = 0; i < numCoords; i++)
{
Coord c = coords[i];
mesh.vertices.Add(new Vertex(c.X, c.Y, c.Z));
}
List<Vertex> vertices = mesh.vertices;
for (int i = 0; i < numFaces; i++)
{
Face f = faces[i];
mesh.triangles.Add(new Triangle(vertices[f.v1], vertices[f.v2], vertices[f.v3]));
}
return mesh;
}
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod)
{
return CreateMesh(primName, primShape, size, lod, false);
}
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod, bool isPhysical)
{
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;
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.vertices.TrimExcess();
mesh.triangles.TrimExcess();
}
return mesh;
}
}
}
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