From 1d6b33bc2da3b312cff1d1802a73aacdf72b0385 Mon Sep 17 00:00:00 2001 From: Diva Canto Date: Sun, 30 Aug 2015 20:06:53 -0700 Subject: Major renaming of Physics dlls / folders. No functional changes, just renames. --- OpenSim/Region/Physics/Meshing/HelperTypes.cs | 436 ---- OpenSim/Region/Physics/Meshing/Mesh.cs | 333 --- OpenSim/Region/Physics/Meshing/Meshmerizer.cs | 971 -------- OpenSim/Region/Physics/Meshing/PrimMesher.cs | 2324 -------------------- .../Physics/Meshing/Properties/AssemblyInfo.cs | 33 - OpenSim/Region/Physics/Meshing/SculptMap.cs | 183 -- OpenSim/Region/Physics/Meshing/SculptMesh.cs | 646 ------ 7 files changed, 4926 deletions(-) delete mode 100644 OpenSim/Region/Physics/Meshing/HelperTypes.cs delete mode 100644 OpenSim/Region/Physics/Meshing/Mesh.cs delete mode 100644 OpenSim/Region/Physics/Meshing/Meshmerizer.cs delete mode 100644 OpenSim/Region/Physics/Meshing/PrimMesher.cs delete mode 100644 OpenSim/Region/Physics/Meshing/Properties/AssemblyInfo.cs delete mode 100644 OpenSim/Region/Physics/Meshing/SculptMap.cs delete mode 100644 OpenSim/Region/Physics/Meshing/SculptMesh.cs (limited to 'OpenSim/Region/Physics/Meshing') diff --git a/OpenSim/Region/Physics/Meshing/HelperTypes.cs b/OpenSim/Region/Physics/Meshing/HelperTypes.cs deleted file mode 100644 index 8cd8dcf..0000000 --- a/OpenSim/Region/Physics/Meshing/HelperTypes.cs +++ /dev/null @@ -1,436 +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. - */ - -using System; -using System.Collections.Generic; -using System.Diagnostics; -using System.Globalization; -using OpenMetaverse; -using OpenSim.Region.Physics.Manager; -using OpenSim.Region.Physics.Meshing; - -public class Vertex : IComparable -{ - Vector3 vector; - - public float X - { - get { return vector.X; } - set { vector.X = value; } - } - - public float Y - { - get { return vector.Y; } - set { vector.Y = value; } - } - - public float Z - { - get { return vector.Z; } - set { vector.Z = value; } - } - - public Vertex(float x, float y, float z) - { - vector.X = x; - vector.Y = y; - vector.Z = z; - } - - public Vertex normalize() - { - float tlength = vector.Length(); - if (tlength != 0f) - { - float mul = 1.0f / tlength; - return new Vertex(vector.X * mul, vector.Y * mul, vector.Z * mul); - } - else - { - return new Vertex(0f, 0f, 0f); - } - } - - public Vertex cross(Vertex v) - { - return new Vertex(vector.Y * v.Z - vector.Z * v.Y, vector.Z * v.X - vector.X * v.Z, vector.X * v.Y - vector.Y * v.X); - } - - // disable warning: mono compiler moans about overloading - // operators hiding base operator but should not according to C# - // language spec -#pragma warning disable 0108 - public static Vertex operator *(Vertex v, Quaternion q) - { - // From http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/transforms/ - - Vertex v2 = new Vertex(0f, 0f, 0f); - - v2.X = q.W * q.W * v.X + - 2f * q.Y * q.W * v.Z - - 2f * q.Z * q.W * v.Y + - q.X * q.X * v.X + - 2f * q.Y * q.X * v.Y + - 2f * q.Z * q.X * v.Z - - q.Z * q.Z * v.X - - q.Y * q.Y * v.X; - - v2.Y = - 2f * q.X * q.Y * v.X + - q.Y * q.Y * v.Y + - 2f * q.Z * q.Y * v.Z + - 2f * q.W * q.Z * v.X - - q.Z * q.Z * v.Y + - q.W * q.W * v.Y - - 2f * q.X * q.W * v.Z - - q.X * q.X * v.Y; - - v2.Z = - 2f * q.X * q.Z * v.X + - 2f * q.Y * q.Z * v.Y + - q.Z * q.Z * v.Z - - 2f * q.W * q.Y * v.X - - q.Y * q.Y * v.Z + - 2f * q.W * q.X * v.Y - - q.X * q.X * v.Z + - q.W * q.W * v.Z; - - return v2; - } - - public static Vertex operator +(Vertex v1, Vertex v2) - { - return new Vertex(v1.X + v2.X, v1.Y + v2.Y, v1.Z + v2.Z); - } - - public static Vertex operator -(Vertex v1, Vertex v2) - { - return new Vertex(v1.X - v2.X, v1.Y - v2.Y, v1.Z - v2.Z); - } - - public static Vertex operator *(Vertex v1, Vertex v2) - { - return new Vertex(v1.X * v2.X, v1.Y * v2.Y, v1.Z * v2.Z); - } - - public static Vertex operator +(Vertex v1, float am) - { - v1.X += am; - v1.Y += am; - v1.Z += am; - return v1; - } - - public static Vertex operator -(Vertex v1, float am) - { - v1.X -= am; - v1.Y -= am; - v1.Z -= am; - return v1; - } - - public static Vertex operator *(Vertex v1, float am) - { - v1.X *= am; - v1.Y *= am; - v1.Z *= am; - return v1; - } - - public static Vertex operator /(Vertex v1, float am) - { - if (am == 0f) - { - return new Vertex(0f,0f,0f); - } - float mul = 1.0f / am; - v1.X *= mul; - v1.Y *= mul; - v1.Z *= mul; - return v1; - } -#pragma warning restore 0108 - - - public float dot(Vertex v) - { - return X * v.X + Y * v.Y + Z * v.Z; - } - - public Vertex(Vector3 v) - { - vector = v; - } - - public Vertex Clone() - { - return new Vertex(X, Y, Z); - } - - public static Vertex FromAngle(double angle) - { - return new Vertex((float) Math.Cos(angle), (float) Math.Sin(angle), 0.0f); - } - - public float Length() - { - return vector.Length(); - } - - public virtual bool Equals(Vertex v, float tolerance) - { - Vertex diff = this - v; - float d = diff.Length(); - if (d < tolerance) - return true; - - return false; - } - - - public int CompareTo(Vertex other) - { - if (X < other.X) - return -1; - - if (X > other.X) - return 1; - - if (Y < other.Y) - return -1; - - if (Y > other.Y) - return 1; - - if (Z < other.Z) - return -1; - - if (Z > other.Z) - return 1; - - return 0; - } - - public static bool operator >(Vertex me, Vertex other) - { - return me.CompareTo(other) > 0; - } - - public static bool operator <(Vertex me, Vertex other) - { - return me.CompareTo(other) < 0; - } - - public String ToRaw() - { - // Why this stuff with the number formatter? - // Well, the raw format uses the english/US notation of numbers - // where the "," separates groups of 1000 while the "." marks the border between 1 and 10E-1. - // The german notation uses these characters exactly vice versa! - // The Float.ToString() routine is a localized one, giving different results depending on the country - // settings your machine works with. Unusable for a machine readable file format :-( - NumberFormatInfo nfi = new NumberFormatInfo(); - nfi.NumberDecimalSeparator = "."; - nfi.NumberDecimalDigits = 3; - - String s1 = X.ToString("N2", nfi) + " " + Y.ToString("N2", nfi) + " " + Z.ToString("N2", nfi); - - return s1; - } -} - -public class Triangle -{ - public Vertex v1; - public Vertex v2; - public Vertex v3; - - private float radius_square; - private float cx; - private float cy; - - public Triangle(Vertex _v1, Vertex _v2, Vertex _v3) - { - v1 = _v1; - v2 = _v2; - v3 = _v3; - - CalcCircle(); - } - - public bool isInCircle(float x, float y) - { - float dx, dy; - float dd; - - dx = x - cx; - dy = y - cy; - - dd = dx*dx + dy*dy; - if (dd < radius_square) - return true; - else - return false; - } - - public bool isDegraded() - { - // This means, the vertices of this triangle are somewhat strange. - // They either line up or at least two of them are identical - return (radius_square == 0.0); - } - - private void CalcCircle() - { - // Calculate the center and the radius of a circle given by three points p1, p2, p3 - // It is assumed, that the triangles vertices are already set correctly - double p1x, p2x, p1y, p2y, p3x, p3y; - - // Deviation of this routine: - // A circle has the general equation (M-p)^2=r^2, where M and p are vectors - // this gives us three equations f(p)=r^2, each for one point p1, p2, p3 - // putting respectively two equations together gives two equations - // f(p1)=f(p2) and f(p1)=f(p3) - // bringing all constant terms to one side brings them to the form - // M*v1=c1 resp.M*v2=c2 where v1=(p1-p2) and v2=(p1-p3) (still vectors) - // and c1, c2 are scalars (Naming conventions like the variables below) - // Now using the equations that are formed by the components of the vectors - // and isolate Mx lets you make one equation that only holds My - // The rest is straight forward and eaasy :-) - // - - /* helping variables for temporary results */ - double c1, c2; - double v1x, v1y, v2x, v2y; - - double z, n; - - double rx, ry; - - // Readout the three points, the triangle consists of - p1x = v1.X; - p1y = v1.Y; - - p2x = v2.X; - p2y = v2.Y; - - p3x = v3.X; - p3y = v3.Y; - - /* calc helping values first */ - c1 = (p1x*p1x + p1y*p1y - p2x*p2x - p2y*p2y)/2; - c2 = (p1x*p1x + p1y*p1y - p3x*p3x - p3y*p3y)/2; - - v1x = p1x - p2x; - v1y = p1y - p2y; - - v2x = p1x - p3x; - v2y = p1y - p3y; - - z = (c1*v2x - c2*v1x); - n = (v1y*v2x - v2y*v1x); - - if (n == 0.0) // This is no triangle, i.e there are (at least) two points at the same location - { - radius_square = 0.0f; - return; - } - - cy = (float) (z/n); - - if (v2x != 0.0) - { - cx = (float) ((c2 - v2y*cy)/v2x); - } - else if (v1x != 0.0) - { - cx = (float) ((c1 - v1y*cy)/v1x); - } - else - { - Debug.Assert(false, "Malformed triangle"); /* Both terms zero means nothing good */ - } - - rx = (p1x - cx); - ry = (p1y - cy); - - radius_square = (float) (rx*rx + ry*ry); - } - - public override String ToString() - { - NumberFormatInfo nfi = new NumberFormatInfo(); - nfi.CurrencyDecimalDigits = 2; - nfi.CurrencyDecimalSeparator = "."; - - String s1 = "<" + v1.X.ToString(nfi) + "," + v1.Y.ToString(nfi) + "," + v1.Z.ToString(nfi) + ">"; - String s2 = "<" + v2.X.ToString(nfi) + "," + v2.Y.ToString(nfi) + "," + v2.Z.ToString(nfi) + ">"; - String s3 = "<" + v3.X.ToString(nfi) + "," + v3.Y.ToString(nfi) + "," + v3.Z.ToString(nfi) + ">"; - - return s1 + ";" + s2 + ";" + s3; - } - - public Vector3 getNormal() - { - // Vertices - - // Vectors for edges - Vector3 e1; - Vector3 e2; - - e1 = new Vector3(v1.X - v2.X, v1.Y - v2.Y, v1.Z - v2.Z); - e2 = new Vector3(v1.X - v3.X, v1.Y - v3.Y, v1.Z - v3.Z); - - // Cross product for normal - Vector3 n = Vector3.Cross(e1, e2); - - // Length - float l = n.Length(); - - // Normalized "normal" - n = n/l; - - return n; - } - - public void invertNormal() - { - Vertex vt; - vt = v1; - v1 = v2; - v2 = vt; - } - - // Dumps a triangle in the "raw faces" format, blender can import. This is for visualisation and - // debugging purposes - public String ToStringRaw() - { - String output = v1.ToRaw() + " " + v2.ToRaw() + " " + v3.ToRaw(); - return output; - } -} diff --git a/OpenSim/Region/Physics/Meshing/Mesh.cs b/OpenSim/Region/Physics/Meshing/Mesh.cs deleted file mode 100644 index bd8e306..0000000 --- a/OpenSim/Region/Physics/Meshing/Mesh.cs +++ /dev/null @@ -1,333 +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. - */ - -using System; -using System.Collections.Generic; -using System.IO; -using System.Runtime.InteropServices; -using OpenSim.Region.Physics.Manager; -using PrimMesher; -using OpenMetaverse; - -namespace OpenSim.Region.Physics.Meshing -{ - public class Mesh : IMesh - { - private Dictionary m_vertices; - private List m_triangles; - GCHandle m_pinnedVertexes; - GCHandle m_pinnedIndex; - IntPtr m_verticesPtr = IntPtr.Zero; - int m_vertexCount = 0; - IntPtr m_indicesPtr = IntPtr.Zero; - int m_indexCount = 0; - public float[] m_normals; - - public Mesh() - { - m_vertices = new Dictionary(); - m_triangles = new List(); - } - - public Mesh Clone() - { - Mesh result = new Mesh(); - - foreach (Triangle t in m_triangles) - { - result.Add(new Triangle(t.v1.Clone(), t.v2.Clone(), t.v3.Clone())); - } - - return result; - } - - public void Add(Triangle triangle) - { - if (m_pinnedIndex.IsAllocated || m_pinnedVertexes.IsAllocated || m_indicesPtr != IntPtr.Zero || m_verticesPtr != IntPtr.Zero) - throw new NotSupportedException("Attempt to Add to a pinned Mesh"); - // If a vertex of the triangle is not yet in the vertices list, - // add it and set its index to the current index count - if (!m_vertices.ContainsKey(triangle.v1)) - m_vertices[triangle.v1] = m_vertices.Count; - if (!m_vertices.ContainsKey(triangle.v2)) - m_vertices[triangle.v2] = m_vertices.Count; - if (!m_vertices.ContainsKey(triangle.v3)) - m_vertices[triangle.v3] = m_vertices.Count; - m_triangles.Add(triangle); - } - - public void CalcNormals() - { - int iTriangles = m_triangles.Count; - - this.m_normals = new float[iTriangles * 3]; - - int i = 0; - foreach (Triangle t in m_triangles) - { - float ux, uy, uz; - float vx, vy, vz; - float wx, wy, wz; - - ux = t.v1.X; - uy = t.v1.Y; - uz = t.v1.Z; - - vx = t.v2.X; - vy = t.v2.Y; - vz = t.v2.Z; - - wx = t.v3.X; - wy = t.v3.Y; - wz = t.v3.Z; - - - // Vectors for edges - float e1x, e1y, e1z; - float e2x, e2y, e2z; - - e1x = ux - vx; - e1y = uy - vy; - e1z = uz - vz; - - e2x = ux - wx; - e2y = uy - wy; - e2z = uz - wz; - - - // Cross product for normal - float nx, ny, nz; - nx = e1y * e2z - e1z * e2y; - ny = e1z * e2x - e1x * e2z; - nz = e1x * e2y - e1y * e2x; - - // Length - float l = (float)Math.Sqrt(nx * nx + ny * ny + nz * nz); - float lReciprocal = 1.0f / l; - - // Normalized "normal" - //nx /= l; - //ny /= l; - //nz /= l; - - m_normals[i] = nx * lReciprocal; - m_normals[i + 1] = ny * lReciprocal; - m_normals[i + 2] = nz * lReciprocal; - - i += 3; - } - } - - public List getVertexList() - { - List result = new List(); - foreach (Vertex v in m_vertices.Keys) - { - result.Add(new Vector3(v.X, v.Y, v.Z)); - } - return result; - } - - public float[] getVertexListAsFloat() - { - if (m_vertices == null) - throw new NotSupportedException(); - float[] result = new float[m_vertices.Count * 3]; - foreach (KeyValuePair kvp in m_vertices) - { - Vertex v = kvp.Key; - int i = kvp.Value; - result[3 * i + 0] = v.X; - result[3 * i + 1] = v.Y; - result[3 * i + 2] = v.Z; - } - return result; - } - - public float[] getVertexListAsFloatLocked() - { - if (m_pinnedVertexes.IsAllocated) - return (float[])(m_pinnedVertexes.Target); - - float[] result = getVertexListAsFloat(); - m_pinnedVertexes = GCHandle.Alloc(result, GCHandleType.Pinned); - // Inform the garbage collector of this unmanaged allocation so it can schedule - // the next GC round more intelligently - GC.AddMemoryPressure(Buffer.ByteLength(result)); - - return result; - } - - public void getVertexListAsPtrToFloatArray(out IntPtr vertices, out int vertexStride, out int vertexCount) - { - // A vertex is 3 floats - vertexStride = 3 * sizeof(float); - - // If there isn't an unmanaged array allocated yet, do it now - if (m_verticesPtr == IntPtr.Zero) - { - float[] vertexList = getVertexListAsFloat(); - // Each vertex is 3 elements (floats) - m_vertexCount = vertexList.Length / 3; - int byteCount = m_vertexCount * vertexStride; - m_verticesPtr = System.Runtime.InteropServices.Marshal.AllocHGlobal(byteCount); - System.Runtime.InteropServices.Marshal.Copy(vertexList, 0, m_verticesPtr, m_vertexCount * 3); - } - vertices = m_verticesPtr; - vertexCount = m_vertexCount; - } - - public int[] getIndexListAsInt() - { - if (m_triangles == null) - throw new NotSupportedException(); - int[] result = new int[m_triangles.Count * 3]; - for (int i = 0; i < m_triangles.Count; i++) - { - Triangle t = m_triangles[i]; - result[3 * i + 0] = m_vertices[t.v1]; - result[3 * i + 1] = m_vertices[t.v2]; - result[3 * i + 2] = m_vertices[t.v3]; - } - return result; - } - - /// - /// creates a list of index values that defines triangle faces. THIS METHOD FREES ALL NON-PINNED MESH DATA - /// - /// - public int[] getIndexListAsIntLocked() - { - if (m_pinnedIndex.IsAllocated) - return (int[])(m_pinnedIndex.Target); - - int[] result = getIndexListAsInt(); - m_pinnedIndex = GCHandle.Alloc(result, GCHandleType.Pinned); - // Inform the garbage collector of this unmanaged allocation so it can schedule - // the next GC round more intelligently - GC.AddMemoryPressure(Buffer.ByteLength(result)); - - return result; - } - - public void getIndexListAsPtrToIntArray(out IntPtr indices, out int triStride, out int indexCount) - { - // If there isn't an unmanaged array allocated yet, do it now - if (m_indicesPtr == IntPtr.Zero) - { - int[] indexList = getIndexListAsInt(); - m_indexCount = indexList.Length; - int byteCount = m_indexCount * sizeof(int); - m_indicesPtr = System.Runtime.InteropServices.Marshal.AllocHGlobal(byteCount); - System.Runtime.InteropServices.Marshal.Copy(indexList, 0, m_indicesPtr, m_indexCount); - } - // A triangle is 3 ints (indices) - triStride = 3 * sizeof(int); - indices = m_indicesPtr; - indexCount = m_indexCount; - } - - public void releasePinned() - { - if (m_pinnedVertexes.IsAllocated) - m_pinnedVertexes.Free(); - if (m_pinnedIndex.IsAllocated) - m_pinnedIndex.Free(); - if (m_verticesPtr != IntPtr.Zero) - { - System.Runtime.InteropServices.Marshal.FreeHGlobal(m_verticesPtr); - m_verticesPtr = IntPtr.Zero; - } - if (m_indicesPtr != IntPtr.Zero) - { - System.Runtime.InteropServices.Marshal.FreeHGlobal(m_indicesPtr); - m_indicesPtr = IntPtr.Zero; - } - } - - /// - /// frees up the source mesh data to minimize memory - call this method after calling get*Locked() functions - /// - public void releaseSourceMeshData() - { - m_triangles = null; - m_vertices = null; - } - - public void Append(IMesh newMesh) - { - if (m_pinnedIndex.IsAllocated || m_pinnedVertexes.IsAllocated || m_indicesPtr != IntPtr.Zero || m_verticesPtr != IntPtr.Zero) - throw new NotSupportedException("Attempt to Append to a pinned Mesh"); - - if (!(newMesh is Mesh)) - return; - - foreach (Triangle t in ((Mesh)newMesh).m_triangles) - Add(t); - } - - // Do a linear transformation of mesh. - public void TransformLinear(float[,] matrix, float[] offset) - { - if (m_pinnedIndex.IsAllocated || m_pinnedVertexes.IsAllocated || m_indicesPtr != IntPtr.Zero || m_verticesPtr != IntPtr.Zero) - throw new NotSupportedException("Attempt to TransformLinear a pinned Mesh"); - - foreach (Vertex v in m_vertices.Keys) - { - if (v == null) - continue; - float x, y, z; - x = v.X*matrix[0, 0] + v.Y*matrix[1, 0] + v.Z*matrix[2, 0]; - y = v.X*matrix[0, 1] + v.Y*matrix[1, 1] + v.Z*matrix[2, 1]; - z = v.X*matrix[0, 2] + v.Y*matrix[1, 2] + v.Z*matrix[2, 2]; - v.X = x + offset[0]; - v.Y = y + offset[1]; - v.Z = z + offset[2]; - } - } - - public void DumpRaw(String path, String name, String title) - { - if (path == null) - return; - String fileName = name + "_" + title + ".raw"; - String completePath = System.IO.Path.Combine(path, fileName); - StreamWriter sw = new StreamWriter(completePath); - foreach (Triangle t in m_triangles) - { - String s = t.ToStringRaw(); - sw.WriteLine(s); - } - sw.Close(); - } - - public void TrimExcess() - { - m_triangles.TrimExcess(); - } - } -} diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs deleted file mode 100644 index 42231b5..0000000 --- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs +++ /dev/null @@ -1,971 +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; - -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); - private static string LogHeader = "[MESH]"; - - // Setting baseDir to a path will enable the dumping of raw files - // raw files can be imported by blender so a visual inspection of the results can be done -#if SPAM - const string baseDir = "rawFiles"; -#else - private const string baseDir = null; //"rawFiles"; -#endif - // If 'true', lots of DEBUG logging of asset parsing details - private bool debugDetail = false; - - private bool cacheSculptMaps = true; - private string decodedSculptMapPath = null; - private bool useMeshiesPhysicsMesh = false; - - private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh - - private List> mConvexHulls = null; - private List mBoundingHull = null; - - // Mesh cache. Static so it can be shared across instances of this class - private static Dictionary m_uniqueMeshes = new Dictionary(); - - 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); - debugDetail = mesh_config.GetBoolean("LogMeshDetails", debugDetail); - } - - try - { - if (!Directory.Exists(decodedSculptMapPath)) - Directory.CreateDirectory(decodedSculptMapPath); - } - catch (Exception e) - { - m_log.WarnFormat("[SCULPT]: Unable to create {0} directory: ", decodedSculptMapPath, e.Message); - } - } - - /// - /// creates a simple box mesh of the specified size. This mesh is of very low vertex count and may - /// be useful as a backup proxy when level of detail is not needed or when more complex meshes fail - /// for some reason - /// - /// - /// - /// - /// - /// - /// - /// - private static Mesh CreateSimpleBoxMesh(float minX, float maxX, float minY, float maxY, float minZ, float maxZ) - { - Mesh box = new Mesh(); - List vertices = new List(); - // bottom - - vertices.Add(new Vertex(minX, maxY, minZ)); - vertices.Add(new Vertex(maxX, maxY, minZ)); - vertices.Add(new Vertex(maxX, minY, minZ)); - vertices.Add(new Vertex(minX, minY, minZ)); - - box.Add(new Triangle(vertices[0], vertices[1], vertices[2])); - box.Add(new Triangle(vertices[0], vertices[2], vertices[3])); - - // top - - vertices.Add(new Vertex(maxX, maxY, maxZ)); - vertices.Add(new Vertex(minX, maxY, maxZ)); - vertices.Add(new Vertex(minX, minY, maxZ)); - vertices.Add(new Vertex(maxX, minY, maxZ)); - - box.Add(new Triangle(vertices[4], vertices[5], vertices[6])); - box.Add(new Triangle(vertices[4], vertices[6], vertices[7])); - - // sides - - box.Add(new Triangle(vertices[5], vertices[0], vertices[3])); - box.Add(new Triangle(vertices[5], vertices[3], vertices[6])); - - box.Add(new Triangle(vertices[1], vertices[0], vertices[5])); - box.Add(new Triangle(vertices[1], vertices[5], vertices[4])); - - box.Add(new Triangle(vertices[7], vertices[1], vertices[4])); - box.Add(new Triangle(vertices[7], vertices[2], vertices[1])); - - box.Add(new Triangle(vertices[3], vertices[2], vertices[7])); - box.Add(new Triangle(vertices[3], vertices[7], vertices[6])); - - return box; - } - - /// - /// Creates a simple bounding box mesh for a complex input mesh - /// - /// - /// - private static Mesh CreateBoundingBoxMesh(Mesh meshIn) - { - float minX = float.MaxValue; - float maxX = float.MinValue; - float minY = float.MaxValue; - float maxY = float.MinValue; - float minZ = float.MaxValue; - float maxZ = float.MinValue; - - foreach (Vector3 v in meshIn.getVertexList()) - { - if (v.X < minX) minX = v.X; - if (v.Y < minY) minY = v.Y; - if (v.Z < minZ) minZ = v.Z; - - if (v.X > maxX) maxX = v.X; - if (v.Y > maxY) maxY = v.Y; - if (v.Z > maxZ) maxZ = v.Z; - } - - return CreateSimpleBoxMesh(minX, maxX, minY, maxY, minZ, maxZ); - } - - private void ReportPrimError(string message, string primName, PrimMesh primMesh) - { - m_log.Error(message); - m_log.Error("\nPrim Name: " + primName); - m_log.Error("****** PrimMesh Parameters ******\n" + primMesh.ParamsToDisplayString()); - } - - /// - /// Add a submesh to an existing list of coords and faces. - /// - /// - /// Size of entire object - /// - /// - private void AddSubMesh(OSDMap subMeshData, Vector3 size, List coords, List faces) - { - // Console.WriteLine("subMeshMap for {0} - {1}", primName, Util.GetFormattedXml((OSD)subMeshMap)); - - // As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level - // of Detail Blocks (maps) contain just a NoGeometry key to signal there is no - // geometry for this submesh. - if (subMeshData.ContainsKey("NoGeometry") && ((OSDBoolean)subMeshData["NoGeometry"])) - return; - - OpenMetaverse.Vector3 posMax = ((OSDMap)subMeshData["PositionDomain"])["Max"].AsVector3(); - OpenMetaverse.Vector3 posMin = ((OSDMap)subMeshData["PositionDomain"])["Min"].AsVector3(); - ushort faceIndexOffset = (ushort)coords.Count; - - byte[] posBytes = subMeshData["Position"].AsBinary(); - for (int i = 0; i < posBytes.Length; i += 6) - { - ushort uX = Utils.BytesToUInt16(posBytes, i); - ushort uY = Utils.BytesToUInt16(posBytes, i + 2); - ushort uZ = Utils.BytesToUInt16(posBytes, i + 4); - - Coord c = new Coord( - Utils.UInt16ToFloat(uX, posMin.X, posMax.X) * size.X, - Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y) * size.Y, - Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z) * size.Z); - - coords.Add(c); - } - - byte[] triangleBytes = subMeshData["TriangleList"].AsBinary(); - for (int i = 0; i < triangleBytes.Length; i += 6) - { - ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i) + faceIndexOffset); - ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2) + faceIndexOffset); - ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4) + faceIndexOffset); - Face f = new Face(v1, v2, v3); - faces.Add(f); - } - } - - /// - /// Create a physics mesh from data that comes with the prim. The actual data used depends on the prim type. - /// - /// - /// - /// - /// - /// - private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, Vector3 size, float lod) - { -// m_log.DebugFormat( -// "[MESH]: Creating physics proxy for {0}, shape {1}", -// primName, (OpenMetaverse.SculptType)primShape.SculptType); - - List coords; - List faces; - - if (primShape.SculptEntry) - { - if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh) - { - if (!useMeshiesPhysicsMesh) - return null; - - if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, size, out coords, out faces)) - return null; - } - else - { - if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, size, lod, out coords, out faces)) - return null; - } - } - else - { - if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, size, lod, out coords, out faces)) - return null; - } - - // Remove the reference to any JPEG2000 sculpt data so it can be GCed - primShape.SculptData = Utils.EmptyBytes; - - int numCoords = coords.Count; - int numFaces = faces.Count; - - // Create the list of vertices - List vertices = new List(); - for (int i = 0; i < numCoords; i++) - { - Coord c = coords[i]; - vertices.Add(new Vertex(c.X, c.Y, c.Z)); - } - - Mesh mesh = new Mesh(); - // Add the corresponding triangles to the mesh - for (int i = 0; i < numFaces; i++) - { - Face f = faces[i]; - mesh.Add(new Triangle(vertices[f.v1], vertices[f.v2], vertices[f.v3])); - } - - return mesh; - } - - /// - /// Generate the co-ords and faces necessary to construct a mesh from the mesh data the accompanies a prim. - /// - /// - /// - /// - /// Coords are added to this list by the method. - /// Faces are added to this list by the method. - /// true if coords and faces were successfully generated, false if not - private bool GenerateCoordsAndFacesFromPrimMeshData( - string primName, PrimitiveBaseShape primShape, Vector3 size, out List coords, out List faces) - { -// m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName); - - coords = new List(); - faces = new List(); - OSD meshOsd = null; - - mConvexHulls = null; - mBoundingHull = null; - - if (primShape.SculptData.Length <= 0) - { - // XXX: At the moment we can not log here since ODEPrim, for instance, ends up triggering this - // method twice - once before it has loaded sculpt data from the asset service and once afterwards. - // The first time will always call with unloaded SculptData if this needs to be uploaded. -// m_log.ErrorFormat("[MESH]: asset data for {0} is zero length", primName); - return false; - } - - long start = 0; - using (MemoryStream data = new MemoryStream(primShape.SculptData)) - { - try - { - OSD osd = OSDParser.DeserializeLLSDBinary(data); - if (osd is OSDMap) - meshOsd = (OSDMap)osd; - else - { - m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap"); - return false; - } - } - catch (Exception e) - { - m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString()); - } - - start = data.Position; - } - - if (meshOsd is OSDMap) - { - OSDMap physicsParms = null; - OSDMap map = (OSDMap)meshOsd; - if (map.ContainsKey("physics_shape")) - { - physicsParms = (OSDMap)map["physics_shape"]; // old asset format - if (debugDetail) m_log.DebugFormat("{0} prim='{1}': using 'physics_shape' mesh data", LogHeader, primName); - } - else if (map.ContainsKey("physics_mesh")) - { - physicsParms = (OSDMap)map["physics_mesh"]; // new asset format - if (debugDetail) m_log.DebugFormat("{0} prim='{1}':using 'physics_mesh' mesh data", LogHeader, primName); - } - else if (map.ContainsKey("medium_lod")) - { - physicsParms = (OSDMap)map["medium_lod"]; // if no physics mesh, try to fall back to medium LOD display mesh - if (debugDetail) m_log.DebugFormat("{0} prim='{1}':using 'medium_lod' mesh data", LogHeader, primName); - } - else if (map.ContainsKey("high_lod")) - { - physicsParms = (OSDMap)map["high_lod"]; // if all else fails, use highest LOD display mesh and hope it works :) - if (debugDetail) m_log.DebugFormat("{0} prim='{1}':using 'high_lod' mesh data", LogHeader, primName); - } - - if (map.ContainsKey("physics_convex")) - { // pull this out also in case physics engine can use it - OSD convexBlockOsd = null; - try - { - OSDMap convexBlock = (OSDMap)map["physics_convex"]; - { - int convexOffset = convexBlock["offset"].AsInteger() + (int)start; - int convexSize = convexBlock["size"].AsInteger(); - - byte[] convexBytes = new byte[convexSize]; - - System.Buffer.BlockCopy(primShape.SculptData, convexOffset, convexBytes, 0, convexSize); - - try - { - convexBlockOsd = DecompressOsd(convexBytes); - } - catch (Exception e) - { - m_log.ErrorFormat("{0} prim='{1}': exception decoding convex block: {2}", LogHeader, primName, e); - //return false; - } - } - - if (convexBlockOsd != null && convexBlockOsd is OSDMap) - { - convexBlock = convexBlockOsd as OSDMap; - - if (debugDetail) - { - string keys = LogHeader + " keys found in convexBlock: "; - foreach (KeyValuePair kvp in convexBlock) - keys += "'" + kvp.Key + "' "; - m_log.Debug(keys); - } - - Vector3 min = new Vector3(-0.5f, -0.5f, -0.5f); - if (convexBlock.ContainsKey("Min")) min = convexBlock["Min"].AsVector3(); - Vector3 max = new Vector3(0.5f, 0.5f, 0.5f); - if (convexBlock.ContainsKey("Max")) max = convexBlock["Max"].AsVector3(); - - List boundingHull = null; - - if (convexBlock.ContainsKey("BoundingVerts")) - { - byte[] boundingVertsBytes = convexBlock["BoundingVerts"].AsBinary(); - boundingHull = new List(); - for (int i = 0; i < boundingVertsBytes.Length; ) - { - ushort uX = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2; - ushort uY = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2; - ushort uZ = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2; - - Vector3 pos = new Vector3( - Utils.UInt16ToFloat(uX, min.X, max.X), - Utils.UInt16ToFloat(uY, min.Y, max.Y), - Utils.UInt16ToFloat(uZ, min.Z, max.Z) - ); - - boundingHull.Add(pos); - } - - mBoundingHull = boundingHull; - if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed bounding hull. nVerts={2}", LogHeader, primName, mBoundingHull.Count); - } - - if (convexBlock.ContainsKey("HullList")) - { - byte[] hullList = convexBlock["HullList"].AsBinary(); - - byte[] posBytes = convexBlock["Positions"].AsBinary(); - - List> hulls = new List>(); - int posNdx = 0; - - foreach (byte cnt in hullList) - { - int count = cnt == 0 ? 256 : cnt; - List hull = new List(); - - for (int i = 0; i < count; i++) - { - ushort uX = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; - ushort uY = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; - ushort uZ = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; - - Vector3 pos = new Vector3( - Utils.UInt16ToFloat(uX, min.X, max.X), - Utils.UInt16ToFloat(uY, min.Y, max.Y), - Utils.UInt16ToFloat(uZ, min.Z, max.Z) - ); - - hull.Add(pos); - } - - hulls.Add(hull); - } - - mConvexHulls = hulls; - if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed hulls. nHulls={2}", LogHeader, primName, mConvexHulls.Count); - } - else - { - if (debugDetail) m_log.DebugFormat("{0} prim='{1}' has physics_convex but no HullList", LogHeader, primName); - } - } - } - catch (Exception e) - { - m_log.WarnFormat("{0} exception decoding convex block: {1}", LogHeader, e); - } - } - - if (physicsParms == null) - { - m_log.WarnFormat("[MESH]: No recognized physics mesh found in mesh asset for {0}", primName); - return false; - } - - int physOffset = physicsParms["offset"].AsInteger() + (int)start; - int physSize = physicsParms["size"].AsInteger(); - - if (physOffset < 0 || physSize == 0) - return false; // no mesh data in asset - - OSD decodedMeshOsd = new OSD(); - byte[] meshBytes = new byte[physSize]; - System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize); - // byte[] decompressed = new byte[physSize * 5]; - try - { - decodedMeshOsd = DecompressOsd(meshBytes); - } - catch (Exception e) - { - m_log.ErrorFormat("{0} prim='{1}': exception decoding physical mesh: {2}", LogHeader, primName, e); - return false; - } - - OSDArray decodedMeshOsdArray = null; - - // physics_shape is an array of OSDMaps, one for each submesh - if (decodedMeshOsd is OSDArray) - { - // Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd)); - - decodedMeshOsdArray = (OSDArray)decodedMeshOsd; - foreach (OSD subMeshOsd in decodedMeshOsdArray) - { - if (subMeshOsd is OSDMap) - AddSubMesh(subMeshOsd as OSDMap, size, coords, faces); - } - if (debugDetail) - m_log.DebugFormat("{0} {1}: mesh decoded. offset={2}, size={3}, nCoords={4}, nFaces={5}", - LogHeader, primName, physOffset, physSize, coords.Count, faces.Count); - } - } - - return true; - } - - /// - /// decompresses a gzipped OSD object - /// - /// the OSD object - /// - /// - private static OSD DecompressOsd(byte[] meshBytes) - { - OSD decodedOsd = null; - - using (MemoryStream inMs = new MemoryStream(meshBytes)) - { - using (MemoryStream outMs = new MemoryStream()) - { - using (DeflateStream decompressionStream = new DeflateStream(inMs, CompressionMode.Decompress)) - { - byte[] readBuffer = new byte[2048]; - inMs.Read(readBuffer, 0, 2); // skip first 2 bytes in header - int readLen = 0; - - while ((readLen = decompressionStream.Read(readBuffer, 0, readBuffer.Length)) > 0) - outMs.Write(readBuffer, 0, readLen); - - outMs.Flush(); - - outMs.Seek(0, SeekOrigin.Begin); - - byte[] decompressedBuf = outMs.GetBuffer(); - - decodedOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf); - } - } - } - return decodedOsd; - } - - /// - /// Generate the co-ords and faces necessary to construct a mesh from the sculpt data the accompanies a prim. - /// - /// - /// - /// - /// - /// Coords are added to this list by the method. - /// Faces are added to this list by the method. - /// true if coords and faces were successfully generated, false if not - private bool GenerateCoordsAndFacesFromPrimSculptData( - string primName, PrimitiveBaseShape primShape, Vector3 size, float lod, out List coords, out List faces) - { - coords = new List(); - faces = new List(); - PrimMesher.SculptMesh sculptMesh; - Image idata = null; - string decodedSculptFileName = ""; - - if (cacheSculptMaps && primShape.SculptTexture != UUID.Zero) - { - decodedSculptFileName = System.IO.Path.Combine(decodedSculptMapPath, "smap_" + primShape.SculptTexture.ToString()); - try - { - if (File.Exists(decodedSculptFileName)) - { - idata = Image.FromFile(decodedSculptFileName); - } - } - catch (Exception e) - { - m_log.Error("[SCULPT]: unable to load cached sculpt map " + decodedSculptFileName + " " + e.Message); - - } - //if (idata != null) - // m_log.Debug("[SCULPT]: loaded cached map asset for map ID: " + primShape.SculptTexture.ToString()); - } - - if (idata == null) - { - if (primShape.SculptData == null || primShape.SculptData.Length == 0) - return false; - - try - { - OpenMetaverse.Imaging.ManagedImage managedImage; - - OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out managedImage); - - if (managedImage == null) - { - // In some cases it seems that the decode can return a null bitmap without throwing - // an exception - m_log.WarnFormat("[PHYSICS]: OpenJPEG decoded sculpt data for {0} to a null bitmap. Ignoring.", primName); - - return false; - } - - if ((managedImage.Channels & OpenMetaverse.Imaging.ManagedImage.ImageChannels.Alpha) != 0) - managedImage.ConvertChannels(managedImage.Channels & ~OpenMetaverse.Imaging.ManagedImage.ImageChannels.Alpha); - - Bitmap imgData = OpenMetaverse.Imaging.LoadTGAClass.LoadTGA(new MemoryStream(managedImage.ExportTGA())); - idata = (Image)imgData; - managedImage = null; - - if (cacheSculptMaps) - { - try { idata.Save(decodedSculptFileName, ImageFormat.MemoryBmp); } - catch (Exception e) { m_log.Error("[SCULPT]: unable to cache sculpt map " + decodedSculptFileName + " " + e.Message); } - } - } - catch (DllNotFoundException) - { - m_log.Error("[PHYSICS]: OpenJpeg is not installed correctly on this system. Physics Proxy generation failed. Often times this is because of an old version of GLIBC. You must have version 2.4 or above!"); - return false; - } - catch (IndexOutOfRangeException) - { - m_log.Error("[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed"); - return false; - } - catch (Exception ex) - { - m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " + ex.Message); - return false; - } - } - - PrimMesher.SculptMesh.SculptType sculptType; - switch ((OpenMetaverse.SculptType)primShape.SculptType) - { - case OpenMetaverse.SculptType.Cylinder: - sculptType = PrimMesher.SculptMesh.SculptType.cylinder; - break; - case OpenMetaverse.SculptType.Plane: - sculptType = PrimMesher.SculptMesh.SculptType.plane; - break; - case OpenMetaverse.SculptType.Torus: - sculptType = PrimMesher.SculptMesh.SculptType.torus; - break; - case OpenMetaverse.SculptType.Sphere: - sculptType = PrimMesher.SculptMesh.SculptType.sphere; - break; - default: - sculptType = PrimMesher.SculptMesh.SculptType.plane; - break; - } - - bool mirror = ((primShape.SculptType & 128) != 0); - bool invert = ((primShape.SculptType & 64) != 0); - - sculptMesh = new PrimMesher.SculptMesh((Bitmap)idata, sculptType, (int)lod, false, mirror, invert); - - idata.Dispose(); - - sculptMesh.DumpRaw(baseDir, primName, "primMesh"); - - sculptMesh.Scale(size.X, size.Y, size.Z); - - coords = sculptMesh.coords; - faces = sculptMesh.faces; - - return true; - } - - /// - /// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim. - /// - /// - /// - /// - /// Coords are added to this list by the method. - /// Faces are added to this list by the method. - /// true if coords and faces were successfully generated, false if not - private bool GenerateCoordsAndFacesFromPrimShapeData( - string primName, PrimitiveBaseShape primShape, Vector3 size, float lod, out List coords, out List faces) - { - PrimMesh primMesh; - coords = new List(); - faces = new List(); - - float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f; - float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f; - float pathBegin = (float)primShape.PathBegin * 2.0e-5f; - float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f; - float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f; - float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f; - - float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f; - float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f; - float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f; - if (profileHollow > 0.95f) - profileHollow = 0.95f; - - int sides = 4; - LevelOfDetail iLOD = (LevelOfDetail)lod; - if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle) - sides = 3; - else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle) - { - switch (iLOD) - { - case LevelOfDetail.High: sides = 24; break; - case LevelOfDetail.Medium: sides = 12; break; - case LevelOfDetail.Low: sides = 6; break; - case LevelOfDetail.VeryLow: sides = 3; break; - default: sides = 24; break; - } - } - else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle) - { // half circle, prim is a sphere - switch (iLOD) - { - case LevelOfDetail.High: sides = 24; break; - case LevelOfDetail.Medium: sides = 12; break; - case LevelOfDetail.Low: sides = 6; break; - case LevelOfDetail.VeryLow: sides = 3; break; - default: sides = 24; break; - } - - profileBegin = 0.5f * profileBegin + 0.5f; - profileEnd = 0.5f * profileEnd + 0.5f; - } - - int hollowSides = sides; - if (primShape.HollowShape == HollowShape.Circle) - { - switch (iLOD) - { - case LevelOfDetail.High: hollowSides = 24; break; - case LevelOfDetail.Medium: hollowSides = 12; break; - case LevelOfDetail.Low: hollowSides = 6; break; - case LevelOfDetail.VeryLow: hollowSides = 3; break; - default: hollowSides = 24; break; - } - } - else if (primShape.HollowShape == HollowShape.Square) - hollowSides = 4; - else if (primShape.HollowShape == HollowShape.Triangle) - hollowSides = 3; - - primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides); - - if (primMesh.errorMessage != null) - if (primMesh.errorMessage.Length > 0) - m_log.Error("[ERROR] " + primMesh.errorMessage); - - primMesh.topShearX = pathShearX; - primMesh.topShearY = pathShearY; - primMesh.pathCutBegin = pathBegin; - primMesh.pathCutEnd = pathEnd; - - if (primShape.PathCurve == (byte)Extrusion.Straight || primShape.PathCurve == (byte) Extrusion.Flexible) - { - primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10; - primMesh.twistEnd = primShape.PathTwist * 18 / 10; - primMesh.taperX = pathScaleX; - primMesh.taperY = pathScaleY; - - if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f) - { - ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh); - if (profileBegin < 0.0f) profileBegin = 0.0f; - if (profileEnd > 1.0f) profileEnd = 1.0f; - } -#if SPAM - m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString()); -#endif - try - { - primMesh.ExtrudeLinear(); - } - catch (Exception ex) - { - ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh); - return false; - } - } - else - { - primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f; - primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f; - primMesh.radius = 0.01f * primShape.PathRadiusOffset; - primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions; - primMesh.skew = 0.01f * primShape.PathSkew; - primMesh.twistBegin = primShape.PathTwistBegin * 36 / 10; - primMesh.twistEnd = primShape.PathTwist * 36 / 10; - primMesh.taperX = primShape.PathTaperX * 0.01f; - primMesh.taperY = primShape.PathTaperY * 0.01f; - - if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f) - { - ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh); - if (profileBegin < 0.0f) profileBegin = 0.0f; - if (profileEnd > 1.0f) profileEnd = 1.0f; - } -#if SPAM - m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString()); -#endif - try - { - primMesh.ExtrudeCircular(); - } - catch (Exception ex) - { - ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh); - return false; - } - } - - primMesh.DumpRaw(baseDir, primName, "primMesh"); - - primMesh.Scale(size.X, size.Y, size.Z); - - coords = primMesh.coords; - faces = primMesh.faces; - - return true; - } - - /// - /// temporary prototype code - please do not use until the interface has been finalized! - /// - /// value to scale the hull points by - /// a list of vertices in the bounding hull if it exists and has been successfully decoded, otherwise null - public List GetBoundingHull(Vector3 size) - { - if (mBoundingHull == null) - return null; - - List verts = new List(); - foreach (var vert in mBoundingHull) - verts.Add(vert * size); - - return verts; - } - - /// - /// temporary prototype code - please do not use until the interface has been finalized! - /// - /// value to scale the hull points by - /// a list of hulls if they exist and have been successfully decoded, otherwise null - public List> GetConvexHulls(Vector3 size) - { - if (mConvexHulls == null) - return null; - - List> hulls = new List>(); - foreach (var hull in mConvexHulls) - { - List verts = new List(); - foreach (var vert in hull) - verts.Add(vert * size); - hulls.Add(verts); - } - - return hulls; - } - - public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod) - { - return CreateMesh(primName, primShape, size, lod, false, true); - } - - public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical) - { - return CreateMesh(primName, primShape, size, lod, isPhysical, true); - } - - public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache) - { -#if SPAM - m_log.DebugFormat("[MESH]: Creating mesh for {0}", primName); -#endif - - Mesh mesh = null; - ulong key = 0; - - // If this mesh has been created already, return it instead of creating another copy - // For large regions with 100k+ prims and hundreds of copies of each, this can save a GB or more of memory - if (shouldCache) - { - key = primShape.GetMeshKey(size, lod); - lock (m_uniqueMeshes) - { - if (m_uniqueMeshes.TryGetValue(key, out mesh)) - return mesh; - } - } - - if (size.X < 0.01f) size.X = 0.01f; - if (size.Y < 0.01f) size.Y = 0.01f; - if (size.Z < 0.01f) size.Z = 0.01f; - - mesh = CreateMeshFromPrimMesher(primName, primShape, size, lod); - - if (mesh != null) - { - if ((!isPhysical) && size.X < minSizeForComplexMesh && size.Y < minSizeForComplexMesh && size.Z < minSizeForComplexMesh) - { -#if SPAM - m_log.Debug("Meshmerizer: prim " + primName + " has a size of " + size.ToString() + " which is below threshold of " + - minSizeForComplexMesh.ToString() + " - creating simple bounding box"); -#endif - mesh = CreateBoundingBoxMesh(mesh); - mesh.DumpRaw(baseDir, primName, "Z extruded"); - } - - // trim the vertex and triangle lists to free up memory - mesh.TrimExcess(); - - if (shouldCache) - { - lock (m_uniqueMeshes) - { - m_uniqueMeshes.Add(key, mesh); - } - } - } - - return mesh; - } - } -} diff --git a/OpenSim/Region/Physics/Meshing/PrimMesher.cs b/OpenSim/Region/Physics/Meshing/PrimMesher.cs deleted file mode 100644 index 4049ee1..0000000 --- a/OpenSim/Region/Physics/Meshing/PrimMesher.cs +++ /dev/null @@ -1,2324 +0,0 @@ -/* - * Copyright (c) Contributors - * 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. - */ - -using System; -using System.Collections.Generic; -using System.Text; -using System.IO; - -namespace PrimMesher -{ - public struct Quat - { - /// X value - public float X; - /// Y value - public float Y; - /// Z value - public float Z; - /// W value - public float W; - - public Quat(float x, float y, float z, float w) - { - X = x; - Y = y; - Z = z; - W = w; - } - - public Quat(Coord axis, float angle) - { - axis = axis.Normalize(); - - angle *= 0.5f; - float c = (float)Math.Cos(angle); - float s = (float)Math.Sin(angle); - - X = axis.X * s; - Y = axis.Y * s; - Z = axis.Z * s; - W = c; - - Normalize(); - } - - public float Length() - { - return (float)Math.Sqrt(X * X + Y * Y + Z * Z + W * W); - } - - public Quat Normalize() - { - const float MAG_THRESHOLD = 0.0000001f; - float mag = Length(); - - // Catch very small rounding errors when normalizing - if (mag > MAG_THRESHOLD) - { - float oomag = 1f / mag; - X *= oomag; - Y *= oomag; - Z *= oomag; - W *= oomag; - } - else - { - X = 0f; - Y = 0f; - Z = 0f; - W = 1f; - } - - return this; - } - - public static Quat operator *(Quat q1, Quat q2) - { - float x = q1.W * q2.X + q1.X * q2.W + q1.Y * q2.Z - q1.Z * q2.Y; - float y = q1.W * q2.Y - q1.X * q2.Z + q1.Y * q2.W + q1.Z * q2.X; - float z = q1.W * q2.Z + q1.X * q2.Y - q1.Y * q2.X + q1.Z * q2.W; - float w = q1.W * q2.W - q1.X * q2.X - q1.Y * q2.Y - q1.Z * q2.Z; - return new Quat(x, y, z, w); - } - - public override string ToString() - { - return "< X: " + this.X.ToString() + ", Y: " + this.Y.ToString() + ", Z: " + this.Z.ToString() + ", W: " + this.W.ToString() + ">"; - } - } - - public struct Coord - { - public float X; - public float Y; - public float Z; - - public Coord(float x, float y, float z) - { - this.X = x; - this.Y = y; - this.Z = z; - } - - public float Length() - { - return (float)Math.Sqrt(this.X * this.X + this.Y * this.Y + this.Z * this.Z); - } - - public Coord Invert() - { - this.X = -this.X; - this.Y = -this.Y; - this.Z = -this.Z; - - return this; - } - - public Coord Normalize() - { - const float MAG_THRESHOLD = 0.0000001f; - float mag = Length(); - - // Catch very small rounding errors when normalizing - if (mag > MAG_THRESHOLD) - { - float oomag = 1.0f / mag; - this.X *= oomag; - this.Y *= oomag; - this.Z *= oomag; - } - else - { - this.X = 0.0f; - this.Y = 0.0f; - this.Z = 0.0f; - } - - return this; - } - - public override string ToString() - { - return this.X.ToString() + " " + this.Y.ToString() + " " + this.Z.ToString(); - } - - public static Coord Cross(Coord c1, Coord c2) - { - return new Coord( - c1.Y * c2.Z - c2.Y * c1.Z, - c1.Z * c2.X - c2.Z * c1.X, - c1.X * c2.Y - c2.X * c1.Y - ); - } - - public static Coord operator +(Coord v, Coord a) - { - return new Coord(v.X + a.X, v.Y + a.Y, v.Z + a.Z); - } - - public static Coord operator *(Coord v, Coord m) - { - return new Coord(v.X * m.X, v.Y * m.Y, v.Z * m.Z); - } - - public static Coord operator *(Coord v, Quat q) - { - // From http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/transforms/ - - Coord c2 = new Coord(0.0f, 0.0f, 0.0f); - - c2.X = q.W * q.W * v.X + - 2f * q.Y * q.W * v.Z - - 2f * q.Z * q.W * v.Y + - q.X * q.X * v.X + - 2f * q.Y * q.X * v.Y + - 2f * q.Z * q.X * v.Z - - q.Z * q.Z * v.X - - q.Y * q.Y * v.X; - - c2.Y = - 2f * q.X * q.Y * v.X + - q.Y * q.Y * v.Y + - 2f * q.Z * q.Y * v.Z + - 2f * q.W * q.Z * v.X - - q.Z * q.Z * v.Y + - q.W * q.W * v.Y - - 2f * q.X * q.W * v.Z - - q.X * q.X * v.Y; - - c2.Z = - 2f * q.X * q.Z * v.X + - 2f * q.Y * q.Z * v.Y + - q.Z * q.Z * v.Z - - 2f * q.W * q.Y * v.X - - q.Y * q.Y * v.Z + - 2f * q.W * q.X * v.Y - - q.X * q.X * v.Z + - q.W * q.W * v.Z; - - return c2; - } - } - - public struct UVCoord - { - public float U; - public float V; - - - public UVCoord(float u, float v) - { - this.U = u; - this.V = v; - } - - public UVCoord Flip() - { - this.U = 1.0f - this.U; - this.V = 1.0f - this.V; - return this; - } - } - - public struct Face - { - public int primFace; - - // vertices - public int v1; - public int v2; - public int v3; - - //normals - public int n1; - public int n2; - public int n3; - - // uvs - public int uv1; - public int uv2; - public int uv3; - - public Face(int v1, int v2, int v3) - { - primFace = 0; - - this.v1 = v1; - this.v2 = v2; - this.v3 = v3; - - this.n1 = 0; - this.n2 = 0; - this.n3 = 0; - - this.uv1 = 0; - this.uv2 = 0; - this.uv3 = 0; - - } - - public Face(int v1, int v2, int v3, int n1, int n2, int n3) - { - primFace = 0; - - this.v1 = v1; - this.v2 = v2; - this.v3 = v3; - - this.n1 = n1; - this.n2 = n2; - this.n3 = n3; - - this.uv1 = 0; - this.uv2 = 0; - this.uv3 = 0; - } - - public Coord SurfaceNormal(List coordList) - { - Coord c1 = coordList[this.v1]; - Coord c2 = coordList[this.v2]; - Coord c3 = coordList[this.v3]; - - Coord edge1 = new Coord(c2.X - c1.X, c2.Y - c1.Y, c2.Z - c1.Z); - Coord edge2 = new Coord(c3.X - c1.X, c3.Y - c1.Y, c3.Z - c1.Z); - - return Coord.Cross(edge1, edge2).Normalize(); - } - } - - public struct ViewerFace - { - public int primFaceNumber; - - public Coord v1; - public Coord v2; - public Coord v3; - - public int coordIndex1; - public int coordIndex2; - public int coordIndex3; - - public Coord n1; - public Coord n2; - public Coord n3; - - public UVCoord uv1; - public UVCoord uv2; - public UVCoord uv3; - - public ViewerFace(int primFaceNumber) - { - this.primFaceNumber = primFaceNumber; - - this.v1 = new Coord(); - this.v2 = new Coord(); - this.v3 = new Coord(); - - this.coordIndex1 = this.coordIndex2 = this.coordIndex3 = -1; // -1 means not assigned yet - - this.n1 = new Coord(); - this.n2 = new Coord(); - this.n3 = new Coord(); - - this.uv1 = new UVCoord(); - this.uv2 = new UVCoord(); - this.uv3 = new UVCoord(); - } - - public void Scale(float x, float y, float z) - { - this.v1.X *= x; - this.v1.Y *= y; - this.v1.Z *= z; - - this.v2.X *= x; - this.v2.Y *= y; - this.v2.Z *= z; - - this.v3.X *= x; - this.v3.Y *= y; - this.v3.Z *= z; - } - - public void AddPos(float x, float y, float z) - { - this.v1.X += x; - this.v2.X += x; - this.v3.X += x; - - this.v1.Y += y; - this.v2.Y += y; - this.v3.Y += y; - - this.v1.Z += z; - this.v2.Z += z; - this.v3.Z += z; - } - - public void AddRot(Quat q) - { - this.v1 *= q; - this.v2 *= q; - this.v3 *= q; - - this.n1 *= q; - this.n2 *= q; - this.n3 *= q; - } - - public void CalcSurfaceNormal() - { - - Coord edge1 = new Coord(this.v2.X - this.v1.X, this.v2.Y - this.v1.Y, this.v2.Z - this.v1.Z); - Coord edge2 = new Coord(this.v3.X - this.v1.X, this.v3.Y - this.v1.Y, this.v3.Z - this.v1.Z); - - this.n1 = this.n2 = this.n3 = Coord.Cross(edge1, edge2).Normalize(); - } - } - - internal struct Angle - { - internal float angle; - internal float X; - internal float Y; - - internal Angle(float angle, float x, float y) - { - this.angle = angle; - this.X = x; - this.Y = y; - } - } - - internal class AngleList - { - private float iX, iY; // intersection point - - private static Angle[] angles3 = - { - new Angle(0.0f, 1.0f, 0.0f), - new Angle(0.33333333333333333f, -0.5f, 0.86602540378443871f), - new Angle(0.66666666666666667f, -0.5f, -0.86602540378443837f), - new Angle(1.0f, 1.0f, 0.0f) - }; - - private static Coord[] normals3 = - { - new Coord(0.25f, 0.4330127019f, 0.0f).Normalize(), - new Coord(-0.5f, 0.0f, 0.0f).Normalize(), - new Coord(0.25f, -0.4330127019f, 0.0f).Normalize(), - new Coord(0.25f, 0.4330127019f, 0.0f).Normalize() - }; - - private static Angle[] angles4 = - { - new Angle(0.0f, 1.0f, 0.0f), - new Angle(0.25f, 0.0f, 1.0f), - new Angle(0.5f, -1.0f, 0.0f), - new Angle(0.75f, 0.0f, -1.0f), - new Angle(1.0f, 1.0f, 0.0f) - }; - - private static Coord[] normals4 = - { - new Coord(0.5f, 0.5f, 0.0f).Normalize(), - new Coord(-0.5f, 0.5f, 0.0f).Normalize(), - new Coord(-0.5f, -0.5f, 0.0f).Normalize(), - new Coord(0.5f, -0.5f, 0.0f).Normalize(), - new Coord(0.5f, 0.5f, 0.0f).Normalize() - }; - - private static Angle[] angles24 = - { - new Angle(0.0f, 1.0f, 0.0f), - new Angle(0.041666666666666664f, 0.96592582628906831f, 0.25881904510252074f), - new Angle(0.083333333333333329f, 0.86602540378443871f, 0.5f), - new Angle(0.125f, 0.70710678118654757f, 0.70710678118654746f), - new Angle(0.16666666666666667f, 0.5f, 0.8660254037844386f), - new Angle(0.20833333333333331f, 0.25881904510252096f, 0.9659258262890682f), - new Angle(0.25f, 0.0f, 1.0f), - new Angle(0.29166666666666663f, -0.25881904510252063f, 0.96592582628906831f), - new Angle(0.33333333333333333f, -0.5f, 0.86602540378443871f), - new Angle(0.375f, -0.70710678118654746f, 0.70710678118654757f), - new Angle(0.41666666666666663f, -0.86602540378443849f, 0.5f), - new Angle(0.45833333333333331f, -0.9659258262890682f, 0.25881904510252102f), - new Angle(0.5f, -1.0f, 0.0f), - new Angle(0.54166666666666663f, -0.96592582628906842f, -0.25881904510252035f), - new Angle(0.58333333333333326f, -0.86602540378443882f, -0.5f), - new Angle(0.62499999999999989f, -0.70710678118654791f, -0.70710678118654713f), - new Angle(0.66666666666666667f, -0.5f, -0.86602540378443837f), - new Angle(0.70833333333333326f, -0.25881904510252152f, -0.96592582628906809f), - new Angle(0.75f, 0.0f, -1.0f), - new Angle(0.79166666666666663f, 0.2588190451025203f, -0.96592582628906842f), - new Angle(0.83333333333333326f, 0.5f, -0.86602540378443904f), - new Angle(0.875f, 0.70710678118654735f, -0.70710678118654768f), - new Angle(0.91666666666666663f, 0.86602540378443837f, -0.5f), - new Angle(0.95833333333333326f, 0.96592582628906809f, -0.25881904510252157f), - new Angle(1.0f, 1.0f, 0.0f) - }; - - private Angle interpolatePoints(float newPoint, Angle p1, Angle p2) - { - float m = (newPoint - p1.angle) / (p2.angle - p1.angle); - return new Angle(newPoint, p1.X + m * (p2.X - p1.X), p1.Y + m * (p2.Y - p1.Y)); - } - - private void intersection(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) - { // ref: http://local.wasp.uwa.edu.au/~pbourke/geometry/lineline2d/ - double denom = (y4 - y3) * (x2 - x1) - (x4 - x3) * (y2 - y1); - double uaNumerator = (x4 - x3) * (y1 - y3) - (y4 - y3) * (x1 - x3); - - if (denom != 0.0) - { - double ua = uaNumerator / denom; - iX = (float)(x1 + ua * (x2 - x1)); - iY = (float)(y1 + ua * (y2 - y1)); - } - } - - internal List angles; - internal List normals; - - internal void makeAngles(int sides, float startAngle, float stopAngle) - { - angles = new List(); - normals = new List(); - - double twoPi = System.Math.PI * 2.0; - float twoPiInv = 1.0f / (float)twoPi; - - if (sides < 1) - throw new Exception("number of sides not greater than zero"); - if (stopAngle <= startAngle) - throw new Exception("stopAngle not greater than startAngle"); - - if ((sides == 3 || sides == 4 || sides == 24)) - { - startAngle *= twoPiInv; - stopAngle *= twoPiInv; - - Angle[] sourceAngles; - if (sides == 3) - sourceAngles = angles3; - else if (sides == 4) - sourceAngles = angles4; - else sourceAngles = angles24; - - int startAngleIndex = (int)(startAngle * sides); - int endAngleIndex = sourceAngles.Length - 1; - if (stopAngle < 1.0f) - endAngleIndex = (int)(stopAngle * sides) + 1; - if (endAngleIndex == startAngleIndex) - endAngleIndex++; - - for (int angleIndex = startAngleIndex; angleIndex < endAngleIndex + 1; angleIndex++) - { - angles.Add(sourceAngles[angleIndex]); - if (sides == 3) - normals.Add(normals3[angleIndex]); - else if (sides == 4) - normals.Add(normals4[angleIndex]); - } - - if (startAngle > 0.0f) - angles[0] = interpolatePoints(startAngle, angles[0], angles[1]); - - if (stopAngle < 1.0f) - { - int lastAngleIndex = angles.Count - 1; - angles[lastAngleIndex] = interpolatePoints(stopAngle, angles[lastAngleIndex - 1], angles[lastAngleIndex]); - } - } - else - { - double stepSize = twoPi / sides; - - int startStep = (int)(startAngle / stepSize); - double angle = stepSize * startStep; - int step = startStep; - double stopAngleTest = stopAngle; - if (stopAngle < twoPi) - { - stopAngleTest = stepSize * ((int)(stopAngle / stepSize) + 1); - if (stopAngleTest < stopAngle) - stopAngleTest += stepSize; - if (stopAngleTest > twoPi) - stopAngleTest = twoPi; - } - - while (angle <= stopAngleTest) - { - Angle newAngle; - newAngle.angle = (float)angle; - newAngle.X = (float)System.Math.Cos(angle); - newAngle.Y = (float)System.Math.Sin(angle); - angles.Add(newAngle); - step += 1; - angle = stepSize * step; - } - - if (startAngle > angles[0].angle) - { - Angle newAngle; - intersection(angles[0].X, angles[0].Y, angles[1].X, angles[1].Y, 0.0f, 0.0f, (float)Math.Cos(startAngle), (float)Math.Sin(startAngle)); - newAngle.angle = startAngle; - newAngle.X = iX; - newAngle.Y = iY; - angles[0] = newAngle; - } - - int index = angles.Count - 1; - if (stopAngle < angles[index].angle) - { - Angle newAngle; - intersection(angles[index - 1].X, angles[index - 1].Y, angles[index].X, angles[index].Y, 0.0f, 0.0f, (float)Math.Cos(stopAngle), (float)Math.Sin(stopAngle)); - newAngle.angle = stopAngle; - newAngle.X = iX; - newAngle.Y = iY; - angles[index] = newAngle; - } - } - } - } - - /// - /// generates a profile for extrusion - /// - public class Profile - { - private const float twoPi = 2.0f * (float)Math.PI; - - public string errorMessage = null; - - public List coords; - public List faces; - public List vertexNormals; - public List us; - public List faceUVs; - public List faceNumbers; - - // use these for making individual meshes for each prim face - public List outerCoordIndices = null; - public List hollowCoordIndices = null; - public List cut1CoordIndices = null; - public List cut2CoordIndices = null; - - public Coord faceNormal = new Coord(0.0f, 0.0f, 1.0f); - public Coord cutNormal1 = new Coord(); - public Coord cutNormal2 = new Coord(); - - public int numOuterVerts = 0; - public int numHollowVerts = 0; - - public int outerFaceNumber = -1; - public int hollowFaceNumber = -1; - - public bool calcVertexNormals = false; - public int bottomFaceNumber = 0; - public int numPrimFaces = 0; - - public Profile() - { - this.coords = new List(); - this.faces = new List(); - this.vertexNormals = new List(); - this.us = new List(); - this.faceUVs = new List(); - this.faceNumbers = new List(); - } - - public Profile(int sides, float profileStart, float profileEnd, float hollow, int hollowSides, bool createFaces, bool calcVertexNormals) - { - this.calcVertexNormals = calcVertexNormals; - this.coords = new List(); - this.faces = new List(); - this.vertexNormals = new List(); - this.us = new List(); - this.faceUVs = new List(); - this.faceNumbers = new List(); - - Coord center = new Coord(0.0f, 0.0f, 0.0f); - - List hollowCoords = new List(); - List hollowNormals = new List(); - List hollowUs = new List(); - - if (calcVertexNormals) - { - this.outerCoordIndices = new List(); - this.hollowCoordIndices = new List(); - this.cut1CoordIndices = new List(); - this.cut2CoordIndices = new List(); - } - - bool hasHollow = (hollow > 0.0f); - - bool hasProfileCut = (profileStart > 0.0f || profileEnd < 1.0f); - - AngleList angles = new AngleList(); - AngleList hollowAngles = new AngleList(); - - float xScale = 0.5f; - float yScale = 0.5f; - if (sides == 4) // corners of a square are sqrt(2) from center - { - xScale = 0.707107f; - yScale = 0.707107f; - } - - float startAngle = profileStart * twoPi; - float stopAngle = profileEnd * twoPi; - - try { angles.makeAngles(sides, startAngle, stopAngle); } - catch (Exception ex) - { - - errorMessage = "makeAngles failed: Exception: " + ex.ToString() - + "\nsides: " + sides.ToString() + " startAngle: " + startAngle.ToString() + " stopAngle: " + stopAngle.ToString(); - - return; - } - - this.numOuterVerts = angles.angles.Count; - - // flag to create as few triangles as possible for 3 or 4 side profile - bool simpleFace = (sides < 5 && !hasHollow && !hasProfileCut); - - if (hasHollow) - { - if (sides == hollowSides) - hollowAngles = angles; - else - { - try { hollowAngles.makeAngles(hollowSides, startAngle, stopAngle); } - catch (Exception ex) - { - errorMessage = "makeAngles failed: Exception: " + ex.ToString() - + "\nsides: " + sides.ToString() + " startAngle: " + startAngle.ToString() + " stopAngle: " + stopAngle.ToString(); - - return; - } - } - this.numHollowVerts = hollowAngles.angles.Count; - } - else if (!simpleFace) - { - this.coords.Add(center); - if (this.calcVertexNormals) - this.vertexNormals.Add(new Coord(0.0f, 0.0f, 1.0f)); - this.us.Add(0.0f); - } - - float z = 0.0f; - - Angle angle; - Coord newVert = new Coord(); - if (hasHollow && hollowSides != sides) - { - int numHollowAngles = hollowAngles.angles.Count; - for (int i = 0; i < numHollowAngles; i++) - { - angle = hollowAngles.angles[i]; - newVert.X = hollow * xScale * angle.X; - newVert.Y = hollow * yScale * angle.Y; - newVert.Z = z; - - hollowCoords.Add(newVert); - if (this.calcVertexNormals) - { - if (hollowSides < 5) - hollowNormals.Add(hollowAngles.normals[i].Invert()); - else - hollowNormals.Add(new Coord(-angle.X, -angle.Y, 0.0f)); - - if (hollowSides == 4) - hollowUs.Add(angle.angle * hollow * 0.707107f); - else - hollowUs.Add(angle.angle * hollow); - } - } - } - - int index = 0; - int numAngles = angles.angles.Count; - - for (int i = 0; i < numAngles; i++) - { - angle = angles.angles[i]; - newVert.X = angle.X * xScale; - newVert.Y = angle.Y * yScale; - newVert.Z = z; - this.coords.Add(newVert); - if (this.calcVertexNormals) - { - this.outerCoordIndices.Add(this.coords.Count - 1); - - if (sides < 5) - { - this.vertexNormals.Add(angles.normals[i]); - float u = angle.angle; - this.us.Add(u); - } - else - { - this.vertexNormals.Add(new Coord(angle.X, angle.Y, 0.0f)); - this.us.Add(angle.angle); - } - } - - if (hasHollow) - { - if (hollowSides == sides) - { - newVert.X *= hollow; - newVert.Y *= hollow; - newVert.Z = z; - hollowCoords.Add(newVert); - if (this.calcVertexNormals) - { - if (sides < 5) - { - hollowNormals.Add(angles.normals[i].Invert()); - } - - else - hollowNormals.Add(new Coord(-angle.X, -angle.Y, 0.0f)); - - hollowUs.Add(angle.angle * hollow); - } - } - } - else if (!simpleFace && createFaces && angle.angle > 0.0001f) - { - Face newFace = new Face(); - newFace.v1 = 0; - newFace.v2 = index; - newFace.v3 = index + 1; - - this.faces.Add(newFace); - } - index += 1; - } - - if (hasHollow) - { - hollowCoords.Reverse(); - if (this.calcVertexNormals) - { - hollowNormals.Reverse(); - hollowUs.Reverse(); - } - - if (createFaces) - { - int numTotalVerts = this.numOuterVerts + this.numHollowVerts; - - if (this.numOuterVerts == this.numHollowVerts) - { - Face newFace = new Face(); - - for (int coordIndex = 0; coordIndex < this.numOuterVerts - 1; coordIndex++) - { - newFace.v1 = coordIndex; - newFace.v2 = coordIndex + 1; - newFace.v3 = numTotalVerts - coordIndex - 1; - this.faces.Add(newFace); - - newFace.v1 = coordIndex + 1; - newFace.v2 = numTotalVerts - coordIndex - 2; - newFace.v3 = numTotalVerts - coordIndex - 1; - this.faces.Add(newFace); - } - } - else - { - if (this.numOuterVerts < this.numHollowVerts) - { - Face newFace = new Face(); - int j = 0; // j is the index for outer vertices - int maxJ = this.numOuterVerts - 1; - for (int i = 0; i < this.numHollowVerts; i++) // i is the index for inner vertices - { - if (j < maxJ) - if (angles.angles[j + 1].angle - hollowAngles.angles[i].angle < hollowAngles.angles[i].angle - angles.angles[j].angle + 0.000001f) - { - newFace.v1 = numTotalVerts - i - 1; - newFace.v2 = j; - newFace.v3 = j + 1; - - this.faces.Add(newFace); - j += 1; - } - - newFace.v1 = j; - newFace.v2 = numTotalVerts - i - 2; - newFace.v3 = numTotalVerts - i - 1; - - this.faces.Add(newFace); - } - } - else // numHollowVerts < numOuterVerts - { - Face newFace = new Face(); - int j = 0; // j is the index for inner vertices - int maxJ = this.numHollowVerts - 1; - for (int i = 0; i < this.numOuterVerts; i++) - { - if (j < maxJ) - if (hollowAngles.angles[j + 1].angle - angles.angles[i].angle < angles.angles[i].angle - hollowAngles.angles[j].angle + 0.000001f) - { - newFace.v1 = i; - newFace.v2 = numTotalVerts - j - 2; - newFace.v3 = numTotalVerts - j - 1; - - this.faces.Add(newFace); - j += 1; - } - - newFace.v1 = numTotalVerts - j - 1; - newFace.v2 = i; - newFace.v3 = i + 1; - - this.faces.Add(newFace); - } - } - } - } - - if (calcVertexNormals) - { - foreach (Coord hc in hollowCoords) - { - this.coords.Add(hc); - hollowCoordIndices.Add(this.coords.Count - 1); - } - } - else - this.coords.AddRange(hollowCoords); - - if (this.calcVertexNormals) - { - this.vertexNormals.AddRange(hollowNormals); - this.us.AddRange(hollowUs); - - } - } - - if (simpleFace && createFaces) - { - if (sides == 3) - this.faces.Add(new Face(0, 1, 2)); - else if (sides == 4) - { - this.faces.Add(new Face(0, 1, 2)); - this.faces.Add(new Face(0, 2, 3)); - } - } - - if (calcVertexNormals && hasProfileCut) - { - int lastOuterVertIndex = this.numOuterVerts - 1; - - if (hasHollow) - { - this.cut1CoordIndices.Add(0); - this.cut1CoordIndices.Add(this.coords.Count - 1); - - this.cut2CoordIndices.Add(lastOuterVertIndex + 1); - this.cut2CoordIndices.Add(lastOuterVertIndex); - - this.cutNormal1.X = this.coords[0].Y - this.coords[this.coords.Count - 1].Y; - this.cutNormal1.Y = -(this.coords[0].X - this.coords[this.coords.Count - 1].X); - - this.cutNormal2.X = this.coords[lastOuterVertIndex + 1].Y - this.coords[lastOuterVertIndex].Y; - this.cutNormal2.Y = -(this.coords[lastOuterVertIndex + 1].X - this.coords[lastOuterVertIndex].X); - } - - else - { - this.cut1CoordIndices.Add(0); - this.cut1CoordIndices.Add(1); - - this.cut2CoordIndices.Add(lastOuterVertIndex); - this.cut2CoordIndices.Add(0); - - this.cutNormal1.X = this.vertexNormals[1].Y; - this.cutNormal1.Y = -this.vertexNormals[1].X; - - this.cutNormal2.X = -this.vertexNormals[this.vertexNormals.Count - 2].Y; - this.cutNormal2.Y = this.vertexNormals[this.vertexNormals.Count - 2].X; - - } - this.cutNormal1.Normalize(); - this.cutNormal2.Normalize(); - } - - this.MakeFaceUVs(); - - hollowCoords = null; - hollowNormals = null; - hollowUs = null; - - if (calcVertexNormals) - { // calculate prim face numbers - - // face number order is top, outer, hollow, bottom, start cut, end cut - // I know it's ugly but so is the whole concept of prim face numbers - - int faceNum = 1; // start with outer faces - this.outerFaceNumber = faceNum; - - int startVert = hasProfileCut && !hasHollow ? 1 : 0; - if (startVert > 0) - this.faceNumbers.Add(-1); - for (int i = 0; i < this.numOuterVerts - 1; i++) - this.faceNumbers.Add(sides < 5 && i <= sides ? faceNum++ : faceNum); - - this.faceNumbers.Add(hasProfileCut ? -1 : faceNum++); - - if (sides > 4 && (hasHollow || hasProfileCut)) - faceNum++; - - if (sides < 5 && (hasHollow || hasProfileCut) && this.numOuterVerts < sides) - faceNum++; - - if (hasHollow) - { - for (int i = 0; i < this.numHollowVerts; i++) - this.faceNumbers.Add(faceNum); - - this.hollowFaceNumber = faceNum++; - } - - this.bottomFaceNumber = faceNum++; - - if (hasHollow && hasProfileCut) - this.faceNumbers.Add(faceNum++); - - for (int i = 0; i < this.faceNumbers.Count; i++) - if (this.faceNumbers[i] == -1) - this.faceNumbers[i] = faceNum++; - - this.numPrimFaces = faceNum; - } - - } - - public void MakeFaceUVs() - { - this.faceUVs = new List(); - foreach (Coord c in this.coords) - this.faceUVs.Add(new UVCoord(1.0f - (0.5f + c.X), 1.0f - (0.5f - c.Y))); - } - - public Profile Copy() - { - return this.Copy(true); - } - - public Profile Copy(bool needFaces) - { - Profile copy = new Profile(); - - copy.coords.AddRange(this.coords); - copy.faceUVs.AddRange(this.faceUVs); - - if (needFaces) - copy.faces.AddRange(this.faces); - if ((copy.calcVertexNormals = this.calcVertexNormals) == true) - { - copy.vertexNormals.AddRange(this.vertexNormals); - copy.faceNormal = this.faceNormal; - copy.cutNormal1 = this.cutNormal1; - copy.cutNormal2 = this.cutNormal2; - copy.us.AddRange(this.us); - copy.faceNumbers.AddRange(this.faceNumbers); - - copy.cut1CoordIndices = new List(this.cut1CoordIndices); - copy.cut2CoordIndices = new List(this.cut2CoordIndices); - copy.hollowCoordIndices = new List(this.hollowCoordIndices); - copy.outerCoordIndices = new List(this.outerCoordIndices); - } - copy.numOuterVerts = this.numOuterVerts; - copy.numHollowVerts = this.numHollowVerts; - - return copy; - } - - public void AddPos(Coord v) - { - this.AddPos(v.X, v.Y, v.Z); - } - - public void AddPos(float x, float y, float z) - { - int i; - int numVerts = this.coords.Count; - Coord vert; - - for (i = 0; i < numVerts; i++) - { - vert = this.coords[i]; - vert.X += x; - vert.Y += y; - vert.Z += z; - this.coords[i] = vert; - } - } - - public void AddRot(Quat q) - { - int i; - int numVerts = this.coords.Count; - - for (i = 0; i < numVerts; i++) - this.coords[i] *= q; - - if (this.calcVertexNormals) - { - int numNormals = this.vertexNormals.Count; - for (i = 0; i < numNormals; i++) - this.vertexNormals[i] *= q; - - this.faceNormal *= q; - this.cutNormal1 *= q; - this.cutNormal2 *= q; - - } - } - - public void Scale(float x, float y) - { - int i; - int numVerts = this.coords.Count; - Coord vert; - - for (i = 0; i < numVerts; i++) - { - vert = this.coords[i]; - vert.X *= x; - vert.Y *= y; - this.coords[i] = vert; - } - } - - /// - /// Changes order of the vertex indices and negates the center vertex normal. Does not alter vertex normals of radial vertices - /// - public void FlipNormals() - { - int i; - int numFaces = this.faces.Count; - Face tmpFace; - int tmp; - - for (i = 0; i < numFaces; i++) - { - tmpFace = this.faces[i]; - tmp = tmpFace.v3; - tmpFace.v3 = tmpFace.v1; - tmpFace.v1 = tmp; - this.faces[i] = tmpFace; - } - - if (this.calcVertexNormals) - { - int normalCount = this.vertexNormals.Count; - if (normalCount > 0) - { - Coord n = this.vertexNormals[normalCount - 1]; - n.Z = -n.Z; - this.vertexNormals[normalCount - 1] = n; - } - } - - this.faceNormal.X = -this.faceNormal.X; - this.faceNormal.Y = -this.faceNormal.Y; - this.faceNormal.Z = -this.faceNormal.Z; - - int numfaceUVs = this.faceUVs.Count; - for (i = 0; i < numfaceUVs; i++) - { - UVCoord uv = this.faceUVs[i]; - uv.V = 1.0f - uv.V; - this.faceUVs[i] = uv; - } - } - - public void AddValue2FaceVertexIndices(int num) - { - int numFaces = this.faces.Count; - Face tmpFace; - for (int i = 0; i < numFaces; i++) - { - tmpFace = this.faces[i]; - tmpFace.v1 += num; - tmpFace.v2 += num; - tmpFace.v3 += num; - - this.faces[i] = tmpFace; - } - } - - public void AddValue2FaceNormalIndices(int num) - { - if (this.calcVertexNormals) - { - int numFaces = this.faces.Count; - Face tmpFace; - for (int i = 0; i < numFaces; i++) - { - tmpFace = this.faces[i]; - tmpFace.n1 += num; - tmpFace.n2 += num; - tmpFace.n3 += num; - - this.faces[i] = tmpFace; - } - } - } - - public void DumpRaw(String path, String name, String title) - { - if (path == null) - return; - String fileName = name + "_" + title + ".raw"; - String completePath = System.IO.Path.Combine(path, fileName); - StreamWriter sw = new StreamWriter(completePath); - - for (int i = 0; i < this.faces.Count; i++) - { - string s = this.coords[this.faces[i].v1].ToString(); - s += " " + this.coords[this.faces[i].v2].ToString(); - s += " " + this.coords[this.faces[i].v3].ToString(); - - sw.WriteLine(s); - } - - sw.Close(); - } - } - - public struct PathNode - { - public Coord position; - public Quat rotation; - public float xScale; - public float yScale; - public float percentOfPath; - } - - public enum PathType { Linear = 0, Circular = 1, Flexible = 2 } - - public class Path - { - public List pathNodes = new List(); - - public float twistBegin = 0.0f; - public float twistEnd = 0.0f; - public float topShearX = 0.0f; - public float topShearY = 0.0f; - public float pathCutBegin = 0.0f; - public float pathCutEnd = 1.0f; - public float dimpleBegin = 0.0f; - public float dimpleEnd = 1.0f; - public float skew = 0.0f; - public float holeSizeX = 1.0f; // called pathScaleX in pbs - public float holeSizeY = 0.25f; - public float taperX = 0.0f; - public float taperY = 0.0f; - public float radius = 0.0f; - public float revolutions = 1.0f; - public int stepsPerRevolution = 24; - - private const float twoPi = 2.0f * (float)Math.PI; - - public void Create(PathType pathType, int steps) - { - if (this.taperX > 0.999f) - this.taperX = 0.999f; - if (this.taperX < -0.999f) - this.taperX = -0.999f; - if (this.taperY > 0.999f) - this.taperY = 0.999f; - if (this.taperY < -0.999f) - this.taperY = -0.999f; - - if (pathType == PathType.Linear || pathType == PathType.Flexible) - { - int step = 0; - - float length = this.pathCutEnd - this.pathCutBegin; - float twistTotal = twistEnd - twistBegin; - float twistTotalAbs = Math.Abs(twistTotal); - if (twistTotalAbs > 0.01f) - steps += (int)(twistTotalAbs * 3.66); // dahlia's magic number - - float start = -0.5f; - float stepSize = length / (float)steps; - float percentOfPathMultiplier = stepSize * 0.999999f; - float xOffset = this.topShearX * this.pathCutBegin; - float yOffset = this.topShearY * this.pathCutBegin; - float zOffset = start; - float xOffsetStepIncrement = this.topShearX * length / steps; - float yOffsetStepIncrement = this.topShearY * length / steps; - - float percentOfPath = this.pathCutBegin; - zOffset += percentOfPath; - - // sanity checks - - bool done = false; - - while (!done) - { - PathNode newNode = new PathNode(); - - newNode.xScale = 1.0f; - if (this.taperX == 0.0f) - newNode.xScale = 1.0f; - else if (this.taperX > 0.0f) - newNode.xScale = 1.0f - percentOfPath * this.taperX; - else newNode.xScale = 1.0f + (1.0f - percentOfPath) * this.taperX; - - newNode.yScale = 1.0f; - if (this.taperY == 0.0f) - newNode.yScale = 1.0f; - else if (this.taperY > 0.0f) - newNode.yScale = 1.0f - percentOfPath * this.taperY; - else newNode.yScale = 1.0f + (1.0f - percentOfPath) * this.taperY; - - float twist = twistBegin + twistTotal * percentOfPath; - - newNode.rotation = new Quat(new Coord(0.0f, 0.0f, 1.0f), twist); - newNode.position = new Coord(xOffset, yOffset, zOffset); - newNode.percentOfPath = percentOfPath; - - pathNodes.Add(newNode); - - if (step < steps) - { - step += 1; - percentOfPath += percentOfPathMultiplier; - xOffset += xOffsetStepIncrement; - yOffset += yOffsetStepIncrement; - zOffset += stepSize; - if (percentOfPath > this.pathCutEnd) - done = true; - } - else done = true; - } - } // end of linear path code - - else // pathType == Circular - { - float twistTotal = twistEnd - twistBegin; - - // if the profile has a lot of twist, add more layers otherwise the layers may overlap - // and the resulting mesh may be quite inaccurate. This method is arbitrary and doesn't - // accurately match the viewer - float twistTotalAbs = Math.Abs(twistTotal); - if (twistTotalAbs > 0.01f) - { - if (twistTotalAbs > Math.PI * 1.5f) - steps *= 2; - if (twistTotalAbs > Math.PI * 3.0f) - steps *= 2; - } - - float yPathScale = this.holeSizeY * 0.5f; - float pathLength = this.pathCutEnd - this.pathCutBegin; - float totalSkew = this.skew * 2.0f * pathLength; - float skewStart = this.pathCutBegin * 2.0f * this.skew - this.skew; - float xOffsetTopShearXFactor = this.topShearX * (0.25f + 0.5f * (0.5f - this.holeSizeY)); - float yShearCompensation = 1.0f + Math.Abs(this.topShearY) * 0.25f; - - // It's not quite clear what pushY (Y top shear) does, but subtracting it from the start and end - // angles appears to approximate it's effects on path cut. Likewise, adding it to the angle used - // to calculate the sine for generating the path radius appears to approximate it's effects there - // too, but there are some subtle differences in the radius which are noticeable as the prim size - // increases and it may affect megaprims quite a bit. The effect of the Y top shear parameter on - // the meshes generated with this technique appear nearly identical in shape to the same prims when - // displayed by the viewer. - - float startAngle = (twoPi * this.pathCutBegin * this.revolutions) - this.topShearY * 0.9f; - float endAngle = (twoPi * this.pathCutEnd * this.revolutions) - this.topShearY * 0.9f; - float stepSize = twoPi / this.stepsPerRevolution; - - int step = (int)(startAngle / stepSize); - float angle = startAngle; - - bool done = false; - while (!done) // loop through the length of the path and add the layers - { - PathNode newNode = new PathNode(); - - float xProfileScale = (1.0f - Math.Abs(this.skew)) * this.holeSizeX; - float yProfileScale = this.holeSizeY; - - float percentOfPath = angle / (twoPi * this.revolutions); - float percentOfAngles = (angle - startAngle) / (endAngle - startAngle); - - if (this.taperX > 0.01f) - xProfileScale *= 1.0f - percentOfPath * this.taperX; - else if (this.taperX < -0.01f) - xProfileScale *= 1.0f + (1.0f - percentOfPath) * this.taperX; - - if (this.taperY > 0.01f) - yProfileScale *= 1.0f - percentOfPath * this.taperY; - else if (this.taperY < -0.01f) - yProfileScale *= 1.0f + (1.0f - percentOfPath) * this.taperY; - - newNode.xScale = xProfileScale; - newNode.yScale = yProfileScale; - - float radiusScale = 1.0f; - if (this.radius > 0.001f) - radiusScale = 1.0f - this.radius * percentOfPath; - else if (this.radius < 0.001f) - radiusScale = 1.0f + this.radius * (1.0f - percentOfPath); - - float twist = twistBegin + twistTotal * percentOfPath; - - float xOffset = 0.5f * (skewStart + totalSkew * percentOfAngles); - xOffset += (float)Math.Sin(angle) * xOffsetTopShearXFactor; - - float yOffset = yShearCompensation * (float)Math.Cos(angle) * (0.5f - yPathScale) * radiusScale; - - float zOffset = (float)Math.Sin(angle + this.topShearY) * (0.5f - yPathScale) * radiusScale; - - newNode.position = new Coord(xOffset, yOffset, zOffset); - - // now orient the rotation of the profile layer relative to it's position on the path - // adding taperY to the angle used to generate the quat appears to approximate the viewer - - newNode.rotation = new Quat(new Coord(1.0f, 0.0f, 0.0f), angle + this.topShearY); - - // next apply twist rotation to the profile layer - if (twistTotal != 0.0f || twistBegin != 0.0f) - newNode.rotation *= new Quat(new Coord(0.0f, 0.0f, 1.0f), twist); - - newNode.percentOfPath = percentOfPath; - - pathNodes.Add(newNode); - - // calculate terms for next iteration - // calculate the angle for the next iteration of the loop - - if (angle >= endAngle - 0.01) - done = true; - else - { - step += 1; - angle = stepSize * step; - if (angle > endAngle) - angle = endAngle; - } - } - } - } - } - - public class PrimMesh - { - public string errorMessage = ""; - private const float twoPi = 2.0f * (float)Math.PI; - - public List coords; - public List normals; - public List faces; - - public List viewerFaces; - - private int sides = 4; - private int hollowSides = 4; - private float profileStart = 0.0f; - private float profileEnd = 1.0f; - private float hollow = 0.0f; - public int twistBegin = 0; - public int twistEnd = 0; - public float topShearX = 0.0f; - public float topShearY = 0.0f; - public float pathCutBegin = 0.0f; - public float pathCutEnd = 1.0f; - public float dimpleBegin = 0.0f; - public float dimpleEnd = 1.0f; - public float skew = 0.0f; - public float holeSizeX = 1.0f; // called pathScaleX in pbs - public float holeSizeY = 0.25f; - public float taperX = 0.0f; - public float taperY = 0.0f; - public float radius = 0.0f; - public float revolutions = 1.0f; - public int stepsPerRevolution = 24; - - private int profileOuterFaceNumber = -1; - private int profileHollowFaceNumber = -1; - - private bool hasProfileCut = false; - private bool hasHollow = false; - public bool calcVertexNormals = false; - private bool normalsProcessed = false; - public bool viewerMode = false; - public bool sphereMode = false; - - public int numPrimFaces = 0; - - /// - /// Human readable string representation of the parameters used to create a mesh. - /// - /// - public string ParamsToDisplayString() - { - string s = ""; - s += "sides..................: " + this.sides.ToString(); - s += "\nhollowSides..........: " + this.hollowSides.ToString(); - s += "\nprofileStart.........: " + this.profileStart.ToString(); - s += "\nprofileEnd...........: " + this.profileEnd.ToString(); - s += "\nhollow...............: " + this.hollow.ToString(); - s += "\ntwistBegin...........: " + this.twistBegin.ToString(); - s += "\ntwistEnd.............: " + this.twistEnd.ToString(); - s += "\ntopShearX............: " + this.topShearX.ToString(); - s += "\ntopShearY............: " + this.topShearY.ToString(); - s += "\npathCutBegin.........: " + this.pathCutBegin.ToString(); - s += "\npathCutEnd...........: " + this.pathCutEnd.ToString(); - s += "\ndimpleBegin..........: " + this.dimpleBegin.ToString(); - s += "\ndimpleEnd............: " + this.dimpleEnd.ToString(); - s += "\nskew.................: " + this.skew.ToString(); - s += "\nholeSizeX............: " + this.holeSizeX.ToString(); - s += "\nholeSizeY............: " + this.holeSizeY.ToString(); - s += "\ntaperX...............: " + this.taperX.ToString(); - s += "\ntaperY...............: " + this.taperY.ToString(); - s += "\nradius...............: " + this.radius.ToString(); - s += "\nrevolutions..........: " + this.revolutions.ToString(); - s += "\nstepsPerRevolution...: " + this.stepsPerRevolution.ToString(); - s += "\nsphereMode...........: " + this.sphereMode.ToString(); - s += "\nhasProfileCut........: " + this.hasProfileCut.ToString(); - s += "\nhasHollow............: " + this.hasHollow.ToString(); - s += "\nviewerMode...........: " + this.viewerMode.ToString(); - - return s; - } - - public int ProfileOuterFaceNumber - { - get { return profileOuterFaceNumber; } - } - - public int ProfileHollowFaceNumber - { - get { return profileHollowFaceNumber; } - } - - public bool HasProfileCut - { - get { return hasProfileCut; } - } - - public bool HasHollow - { - get { return hasHollow; } - } - - - /// - /// Constructs a PrimMesh object and creates the profile for extrusion. - /// - /// - /// - /// - /// - /// - public PrimMesh(int sides, float profileStart, float profileEnd, float hollow, int hollowSides) - { - this.coords = new List(); - this.faces = new List(); - - this.sides = sides; - this.profileStart = profileStart; - this.profileEnd = profileEnd; - this.hollow = hollow; - this.hollowSides = hollowSides; - - if (sides < 3) - this.sides = 3; - if (hollowSides < 3) - this.hollowSides = 3; - if (profileStart < 0.0f) - this.profileStart = 0.0f; - if (profileEnd > 1.0f) - this.profileEnd = 1.0f; - if (profileEnd < 0.02f) - this.profileEnd = 0.02f; - if (profileStart >= profileEnd) - this.profileStart = profileEnd - 0.02f; - if (hollow > 0.99f) - this.hollow = 0.99f; - if (hollow < 0.0f) - this.hollow = 0.0f; - } - - /// - /// Extrudes a profile along a path. - /// - public void Extrude(PathType pathType) - { - bool needEndFaces = false; - - this.coords = new List(); - this.faces = new List(); - - if (this.viewerMode) - { - this.viewerFaces = new List(); - this.calcVertexNormals = true; - } - - if (this.calcVertexNormals) - this.normals = new List(); - - int steps = 1; - - float length = this.pathCutEnd - this.pathCutBegin; - normalsProcessed = false; - - if (this.viewerMode && this.sides == 3) - { - // prisms don't taper well so add some vertical resolution - // other prims may benefit from this but just do prisms for now - if (Math.Abs(this.taperX) > 0.01 || Math.Abs(this.taperY) > 0.01) - steps = (int)(steps * 4.5 * length); - } - - if (this.sphereMode) - this.hasProfileCut = this.profileEnd - this.profileStart < 0.4999f; - else - this.hasProfileCut = this.profileEnd - this.profileStart < 0.9999f; - this.hasHollow = (this.hollow > 0.001f); - - float twistBegin = this.twistBegin / 360.0f * twoPi; - float twistEnd = this.twistEnd / 360.0f * twoPi; - float twistTotal = twistEnd - twistBegin; - float twistTotalAbs = Math.Abs(twistTotal); - if (twistTotalAbs > 0.01f) - steps += (int)(twistTotalAbs * 3.66); // dahlia's magic number - - float hollow = this.hollow; - - if (pathType == PathType.Circular) - { - needEndFaces = false; - if (this.pathCutBegin != 0.0f || this.pathCutEnd != 1.0f) - needEndFaces = true; - else if (this.taperX != 0.0f || this.taperY != 0.0f) - needEndFaces = true; - else if (this.skew != 0.0f) - needEndFaces = true; - else if (twistTotal != 0.0f) - needEndFaces = true; - else if (this.radius != 0.0f) - needEndFaces = true; - } - else needEndFaces = true; - - // sanity checks - float initialProfileRot = 0.0f; - if (pathType == PathType.Circular) - { - if (this.sides == 3) - { - initialProfileRot = (float)Math.PI; - if (this.hollowSides == 4) - { - if (hollow > 0.7f) - hollow = 0.7f; - hollow *= 0.707f; - } - else hollow *= 0.5f; - } - else if (this.sides == 4) - { - initialProfileRot = 0.25f * (float)Math.PI; - if (this.hollowSides != 4) - hollow *= 0.707f; - } - else if (this.sides > 4) - { - initialProfileRot = (float)Math.PI; - if (this.hollowSides == 4) - { - if (hollow > 0.7f) - hollow = 0.7f; - hollow /= 0.7f; - } - } - } - else - { - if (this.sides == 3) - { - if (this.hollowSides == 4) - { - if (hollow > 0.7f) - hollow = 0.7f; - hollow *= 0.707f; - } - else hollow *= 0.5f; - } - else if (this.sides == 4) - { - initialProfileRot = 1.25f * (float)Math.PI; - if (this.hollowSides != 4) - hollow *= 0.707f; - } - else if (this.sides == 24 && this.hollowSides == 4) - hollow *= 1.414f; - } - - Profile profile = new Profile(this.sides, this.profileStart, this.profileEnd, hollow, this.hollowSides, true, calcVertexNormals); - this.errorMessage = profile.errorMessage; - - this.numPrimFaces = profile.numPrimFaces; - - int cut1FaceNumber = profile.bottomFaceNumber + 1; - int cut2FaceNumber = cut1FaceNumber + 1; - if (!needEndFaces) - { - cut1FaceNumber -= 2; - cut2FaceNumber -= 2; - } - - profileOuterFaceNumber = profile.outerFaceNumber; - if (!needEndFaces) - profileOuterFaceNumber--; - - if (hasHollow) - { - profileHollowFaceNumber = profile.hollowFaceNumber; - if (!needEndFaces) - profileHollowFaceNumber--; - } - - int cut1Vert = -1; - int cut2Vert = -1; - if (hasProfileCut) - { - cut1Vert = hasHollow ? profile.coords.Count - 1 : 0; - cut2Vert = hasHollow ? profile.numOuterVerts - 1 : profile.numOuterVerts; - } - - if (initialProfileRot != 0.0f) - { - profile.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), initialProfileRot)); - if (viewerMode) - profile.MakeFaceUVs(); - } - - Coord lastCutNormal1 = new Coord(); - Coord lastCutNormal2 = new Coord(); - float thisV = 0.0f; - float lastV = 0.0f; - - Path path = new Path(); - path.twistBegin = twistBegin; - path.twistEnd = twistEnd; - path.topShearX = topShearX; - path.topShearY = topShearY; - path.pathCutBegin = pathCutBegin; - path.pathCutEnd = pathCutEnd; - path.dimpleBegin = dimpleBegin; - path.dimpleEnd = dimpleEnd; - path.skew = skew; - path.holeSizeX = holeSizeX; - path.holeSizeY = holeSizeY; - path.taperX = taperX; - path.taperY = taperY; - path.radius = radius; - path.revolutions = revolutions; - path.stepsPerRevolution = stepsPerRevolution; - - path.Create(pathType, steps); - - for (int nodeIndex = 0; nodeIndex < path.pathNodes.Count; nodeIndex++) - { - PathNode node = path.pathNodes[nodeIndex]; - Profile newLayer = profile.Copy(); - newLayer.Scale(node.xScale, node.yScale); - - newLayer.AddRot(node.rotation); - newLayer.AddPos(node.position); - - if (needEndFaces && nodeIndex == 0) - { - newLayer.FlipNormals(); - - // add the bottom faces to the viewerFaces list - if (this.viewerMode) - { - Coord faceNormal = newLayer.faceNormal; - ViewerFace newViewerFace = new ViewerFace(profile.bottomFaceNumber); - int numFaces = newLayer.faces.Count; - List faces = newLayer.faces; - - for (int i = 0; i < numFaces; i++) - { - Face face = faces[i]; - newViewerFace.v1 = newLayer.coords[face.v1]; - newViewerFace.v2 = newLayer.coords[face.v2]; - newViewerFace.v3 = newLayer.coords[face.v3]; - - newViewerFace.coordIndex1 = face.v1; - newViewerFace.coordIndex2 = face.v2; - newViewerFace.coordIndex3 = face.v3; - - newViewerFace.n1 = faceNormal; - newViewerFace.n2 = faceNormal; - newViewerFace.n3 = faceNormal; - - newViewerFace.uv1 = newLayer.faceUVs[face.v1]; - newViewerFace.uv2 = newLayer.faceUVs[face.v2]; - newViewerFace.uv3 = newLayer.faceUVs[face.v3]; - - if (pathType == PathType.Linear) - { - newViewerFace.uv1.Flip(); - newViewerFace.uv2.Flip(); - newViewerFace.uv3.Flip(); - } - - this.viewerFaces.Add(newViewerFace); - } - } - } // if (nodeIndex == 0) - - // append this layer - - int coordsLen = this.coords.Count; - newLayer.AddValue2FaceVertexIndices(coordsLen); - - this.coords.AddRange(newLayer.coords); - - if (this.calcVertexNormals) - { - newLayer.AddValue2FaceNormalIndices(this.normals.Count); - this.normals.AddRange(newLayer.vertexNormals); - } - - if (node.percentOfPath < this.pathCutBegin + 0.01f || node.percentOfPath > this.pathCutEnd - 0.01f) - this.faces.AddRange(newLayer.faces); - - // fill faces between layers - - int numVerts = newLayer.coords.Count; - Face newFace1 = new Face(); - Face newFace2 = new Face(); - - thisV = 1.0f - node.percentOfPath; - - if (nodeIndex > 0) - { - int startVert = coordsLen + 1; - int endVert = this.coords.Count; - - if (sides < 5 || this.hasProfileCut || this.hasHollow) - startVert--; - - for (int i = startVert; i < endVert; i++) - { - int iNext = i + 1; - if (i == endVert - 1) - iNext = startVert; - - int whichVert = i - startVert; - - newFace1.v1 = i; - newFace1.v2 = i - numVerts; - newFace1.v3 = iNext; - - newFace1.n1 = newFace1.v1; - newFace1.n2 = newFace1.v2; - newFace1.n3 = newFace1.v3; - this.faces.Add(newFace1); - - newFace2.v1 = iNext; - newFace2.v2 = i - numVerts; - newFace2.v3 = iNext - numVerts; - - newFace2.n1 = newFace2.v1; - newFace2.n2 = newFace2.v2; - newFace2.n3 = newFace2.v3; - this.faces.Add(newFace2); - - if (this.viewerMode) - { - // add the side faces to the list of viewerFaces here - - int primFaceNum = profile.faceNumbers[whichVert]; - if (!needEndFaces) - primFaceNum -= 1; - - ViewerFace newViewerFace1 = new ViewerFace(primFaceNum); - ViewerFace newViewerFace2 = new ViewerFace(primFaceNum); - - int uIndex = whichVert; - if (!hasHollow && sides > 4 && uIndex < newLayer.us.Count - 1) - { - uIndex++; - } - - float u1 = newLayer.us[uIndex]; - float u2 = 1.0f; - if (uIndex < (int)newLayer.us.Count - 1) - u2 = newLayer.us[uIndex + 1]; - - if (whichVert == cut1Vert || whichVert == cut2Vert) - { - u1 = 0.0f; - u2 = 1.0f; - } - else if (sides < 5) - { - if (whichVert < profile.numOuterVerts) - { // boxes and prisms have one texture face per side of the prim, so the U values have to be scaled - // to reflect the entire texture width - u1 *= sides; - u2 *= sides; - u2 -= (int)u1; - u1 -= (int)u1; - if (u2 < 0.1f) - u2 = 1.0f; - } - } - - if (this.sphereMode) - { - if (whichVert != cut1Vert && whichVert != cut2Vert) - { - u1 = u1 * 2.0f - 1.0f; - u2 = u2 * 2.0f - 1.0f; - - if (whichVert >= newLayer.numOuterVerts) - { - u1 -= hollow; - u2 -= hollow; - } - - } - } - - newViewerFace1.uv1.U = u1; - newViewerFace1.uv2.U = u1; - newViewerFace1.uv3.U = u2; - - newViewerFace1.uv1.V = thisV; - newViewerFace1.uv2.V = lastV; - newViewerFace1.uv3.V = thisV; - - newViewerFace2.uv1.U = u2; - newViewerFace2.uv2.U = u1; - newViewerFace2.uv3.U = u2; - - newViewerFace2.uv1.V = thisV; - newViewerFace2.uv2.V = lastV; - newViewerFace2.uv3.V = lastV; - - newViewerFace1.v1 = this.coords[newFace1.v1]; - newViewerFace1.v2 = this.coords[newFace1.v2]; - newViewerFace1.v3 = this.coords[newFace1.v3]; - - newViewerFace2.v1 = this.coords[newFace2.v1]; - newViewerFace2.v2 = this.coords[newFace2.v2]; - newViewerFace2.v3 = this.coords[newFace2.v3]; - - newViewerFace1.coordIndex1 = newFace1.v1; - newViewerFace1.coordIndex2 = newFace1.v2; - newViewerFace1.coordIndex3 = newFace1.v3; - - newViewerFace2.coordIndex1 = newFace2.v1; - newViewerFace2.coordIndex2 = newFace2.v2; - newViewerFace2.coordIndex3 = newFace2.v3; - - // profile cut faces - if (whichVert == cut1Vert) - { - newViewerFace1.primFaceNumber = cut1FaceNumber; - newViewerFace2.primFaceNumber = cut1FaceNumber; - newViewerFace1.n1 = newLayer.cutNormal1; - newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal1; - - newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal1; - newViewerFace2.n2 = lastCutNormal1; - } - else if (whichVert == cut2Vert) - { - newViewerFace1.primFaceNumber = cut2FaceNumber; - newViewerFace2.primFaceNumber = cut2FaceNumber; - newViewerFace1.n1 = newLayer.cutNormal2; - newViewerFace1.n2 = lastCutNormal2; - newViewerFace1.n3 = lastCutNormal2; - - newViewerFace2.n1 = newLayer.cutNormal2; - newViewerFace2.n3 = newLayer.cutNormal2; - newViewerFace2.n2 = lastCutNormal2; - } - - else // outer and hollow faces - { - if ((sides < 5 && whichVert < newLayer.numOuterVerts) || (hollowSides < 5 && whichVert >= newLayer.numOuterVerts)) - { // looks terrible when path is twisted... need vertex normals here - newViewerFace1.CalcSurfaceNormal(); - newViewerFace2.CalcSurfaceNormal(); - } - else - { - newViewerFace1.n1 = this.normals[newFace1.n1]; - newViewerFace1.n2 = this.normals[newFace1.n2]; - newViewerFace1.n3 = this.normals[newFace1.n3]; - - newViewerFace2.n1 = this.normals[newFace2.n1]; - newViewerFace2.n2 = this.normals[newFace2.n2]; - newViewerFace2.n3 = this.normals[newFace2.n3]; - } - } - - this.viewerFaces.Add(newViewerFace1); - this.viewerFaces.Add(newViewerFace2); - - } - } - } - - lastCutNormal1 = newLayer.cutNormal1; - lastCutNormal2 = newLayer.cutNormal2; - lastV = thisV; - - if (needEndFaces && nodeIndex == path.pathNodes.Count - 1 && viewerMode) - { - // add the top faces to the viewerFaces list here - Coord faceNormal = newLayer.faceNormal; - ViewerFace newViewerFace = new ViewerFace(0); - int numFaces = newLayer.faces.Count; - List faces = newLayer.faces; - - for (int i = 0; i < numFaces; i++) - { - Face face = faces[i]; - newViewerFace.v1 = newLayer.coords[face.v1 - coordsLen]; - newViewerFace.v2 = newLayer.coords[face.v2 - coordsLen]; - newViewerFace.v3 = newLayer.coords[face.v3 - coordsLen]; - - newViewerFace.coordIndex1 = face.v1 - coordsLen; - newViewerFace.coordIndex2 = face.v2 - coordsLen; - newViewerFace.coordIndex3 = face.v3 - coordsLen; - - newViewerFace.n1 = faceNormal; - newViewerFace.n2 = faceNormal; - newViewerFace.n3 = faceNormal; - - newViewerFace.uv1 = newLayer.faceUVs[face.v1 - coordsLen]; - newViewerFace.uv2 = newLayer.faceUVs[face.v2 - coordsLen]; - newViewerFace.uv3 = newLayer.faceUVs[face.v3 - coordsLen]; - - if (pathType == PathType.Linear) - { - newViewerFace.uv1.Flip(); - newViewerFace.uv2.Flip(); - newViewerFace.uv3.Flip(); - } - - this.viewerFaces.Add(newViewerFace); - } - } - - - } // for (int nodeIndex = 0; nodeIndex < path.pathNodes.Count; nodeIndex++) - - } - - - /// - /// DEPRICATED - use Extrude(PathType.Linear) instead - /// Extrudes a profile along a straight line path. Used for prim types box, cylinder, and prism. - /// - /// - public void ExtrudeLinear() - { - this.Extrude(PathType.Linear); - } - - - /// - /// DEPRICATED - use Extrude(PathType.Circular) instead - /// Extrude a profile into a circular path prim mesh. Used for prim types torus, tube, and ring. - /// - /// - public void ExtrudeCircular() - { - this.Extrude(PathType.Circular); - } - - - private Coord SurfaceNormal(Coord c1, Coord c2, Coord c3) - { - Coord edge1 = new Coord(c2.X - c1.X, c2.Y - c1.Y, c2.Z - c1.Z); - Coord edge2 = new Coord(c3.X - c1.X, c3.Y - c1.Y, c3.Z - c1.Z); - - Coord normal = Coord.Cross(edge1, edge2); - - normal.Normalize(); - - return normal; - } - - private Coord SurfaceNormal(Face face) - { - return SurfaceNormal(this.coords[face.v1], this.coords[face.v2], this.coords[face.v3]); - } - - /// - /// Calculate the surface normal for a face in the list of faces - /// - /// - /// - public Coord SurfaceNormal(int faceIndex) - { - int numFaces = this.faces.Count; - if (faceIndex < 0 || faceIndex >= numFaces) - throw new Exception("faceIndex out of range"); - - return SurfaceNormal(this.faces[faceIndex]); - } - - /// - /// Duplicates a PrimMesh object. All object properties are copied by value, including lists. - /// - /// - public PrimMesh Copy() - { - PrimMesh copy = new PrimMesh(this.sides, this.profileStart, this.profileEnd, this.hollow, this.hollowSides); - copy.twistBegin = this.twistBegin; - copy.twistEnd = this.twistEnd; - copy.topShearX = this.topShearX; - copy.topShearY = this.topShearY; - copy.pathCutBegin = this.pathCutBegin; - copy.pathCutEnd = this.pathCutEnd; - copy.dimpleBegin = this.dimpleBegin; - copy.dimpleEnd = this.dimpleEnd; - copy.skew = this.skew; - copy.holeSizeX = this.holeSizeX; - copy.holeSizeY = this.holeSizeY; - copy.taperX = this.taperX; - copy.taperY = this.taperY; - copy.radius = this.radius; - copy.revolutions = this.revolutions; - copy.stepsPerRevolution = this.stepsPerRevolution; - copy.calcVertexNormals = this.calcVertexNormals; - copy.normalsProcessed = this.normalsProcessed; - copy.viewerMode = this.viewerMode; - copy.numPrimFaces = this.numPrimFaces; - copy.errorMessage = this.errorMessage; - - copy.coords = new List(this.coords); - copy.faces = new List(this.faces); - copy.viewerFaces = new List(this.viewerFaces); - copy.normals = new List(this.normals); - - return copy; - } - - /// - /// Calculate surface normals for all of the faces in the list of faces in this mesh - /// - public void CalcNormals() - { - if (normalsProcessed) - return; - - normalsProcessed = true; - - int numFaces = faces.Count; - - if (!this.calcVertexNormals) - this.normals = new List(); - - for (int i = 0; i < numFaces; i++) - { - Face face = faces[i]; - - this.normals.Add(SurfaceNormal(i).Normalize()); - - int normIndex = normals.Count - 1; - face.n1 = normIndex; - face.n2 = normIndex; - face.n3 = normIndex; - - this.faces[i] = face; - } - } - - /// - /// Adds a value to each XYZ vertex coordinate in the mesh - /// - /// - /// - /// - public void AddPos(float x, float y, float z) - { - int i; - int numVerts = this.coords.Count; - Coord vert; - - for (i = 0; i < numVerts; i++) - { - vert = this.coords[i]; - vert.X += x; - vert.Y += y; - vert.Z += z; - this.coords[i] = vert; - } - - if (this.viewerFaces != null) - { - int numViewerFaces = this.viewerFaces.Count; - - for (i = 0; i < numViewerFaces; i++) - { - ViewerFace v = this.viewerFaces[i]; - v.AddPos(x, y, z); - this.viewerFaces[i] = v; - } - } - } - - /// - /// Rotates the mesh - /// - /// - public void AddRot(Quat q) - { - int i; - int numVerts = this.coords.Count; - - for (i = 0; i < numVerts; i++) - this.coords[i] *= q; - - if (this.normals != null) - { - int numNormals = this.normals.Count; - for (i = 0; i < numNormals; i++) - this.normals[i] *= q; - } - - if (this.viewerFaces != null) - { - int numViewerFaces = this.viewerFaces.Count; - - for (i = 0; i < numViewerFaces; i++) - { - ViewerFace v = this.viewerFaces[i]; - v.v1 *= q; - v.v2 *= q; - v.v3 *= q; - - v.n1 *= q; - v.n2 *= q; - v.n3 *= q; - this.viewerFaces[i] = v; - } - } - } - -#if VERTEX_INDEXER - public VertexIndexer GetVertexIndexer() - { - if (this.viewerMode && this.viewerFaces.Count > 0) - return new VertexIndexer(this); - return null; - } -#endif - - /// - /// Scales the mesh - /// - /// - /// - /// - public void Scale(float x, float y, float z) - { - int i; - int numVerts = this.coords.Count; - //Coord vert; - - Coord m = new Coord(x, y, z); - for (i = 0; i < numVerts; i++) - this.coords[i] *= m; - - if (this.viewerFaces != null) - { - int numViewerFaces = this.viewerFaces.Count; - for (i = 0; i < numViewerFaces; i++) - { - ViewerFace v = this.viewerFaces[i]; - v.v1 *= m; - v.v2 *= m; - v.v3 *= m; - this.viewerFaces[i] = v; - } - - } - - } - - /// - /// Dumps the mesh to a Blender compatible "Raw" format file - /// - /// - /// - /// - public void DumpRaw(String path, String name, String title) - { - if (path == null) - return; - String fileName = name + "_" + title + ".raw"; - String completePath = System.IO.Path.Combine(path, fileName); - StreamWriter sw = new StreamWriter(completePath); - - for (int i = 0; i < this.faces.Count; i++) - { - string s = this.coords[this.faces[i].v1].ToString(); - s += " " + this.coords[this.faces[i].v2].ToString(); - s += " " + this.coords[this.faces[i].v3].ToString(); - - sw.WriteLine(s); - } - - sw.Close(); - } - } -} diff --git a/OpenSim/Region/Physics/Meshing/Properties/AssemblyInfo.cs b/OpenSim/Region/Physics/Meshing/Properties/AssemblyInfo.cs deleted file mode 100644 index ec968c0..0000000 --- a/OpenSim/Region/Physics/Meshing/Properties/AssemblyInfo.cs +++ /dev/null @@ -1,33 +0,0 @@ -using System.Reflection; -using System.Runtime.CompilerServices; -using System.Runtime.InteropServices; - -// General Information about an assembly is controlled through the following -// set of attributes. Change these attribute values to modify the information -// associated with an assembly. -[assembly: AssemblyTitle("OpenSim.Region.Physics.Meshing")] -[assembly: AssemblyDescription("")] -[assembly: AssemblyConfiguration("")] -[assembly: AssemblyCompany("http://opensimulator.org")] -[assembly: AssemblyProduct("OpenSim")] -[assembly: AssemblyCopyright("OpenSimulator developers")] -[assembly: AssemblyTrademark("")] -[assembly: AssemblyCulture("")] - -// Setting ComVisible to false makes the types in this assembly not visible -// to COM components. If you need to access a type in this assembly from -// COM, set the ComVisible attribute to true on that type. -[assembly: ComVisible(false)] - -// The following GUID is for the ID of the typelib if this project is exposed to COM -[assembly: Guid("4b7e35c2-a9dd-4b10-b778-eb417f4f6884")] - -// Version information for an assembly consists of the following four values: -// -// Major Version -// Minor Version -// Build Number -// Revision -// -[assembly: AssemblyVersion("0.8.2.*")] - diff --git a/OpenSim/Region/Physics/Meshing/SculptMap.cs b/OpenSim/Region/Physics/Meshing/SculptMap.cs deleted file mode 100644 index 740424e..0000000 --- a/OpenSim/Region/Physics/Meshing/SculptMap.cs +++ /dev/null @@ -1,183 +0,0 @@ -/* - * Copyright (c) Contributors - * 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. - */ - -// to build without references to System.Drawing, comment this out -#define SYSTEM_DRAWING - -using System; -using System.Collections.Generic; -using System.Text; - -#if SYSTEM_DRAWING -using System.Drawing; -using System.Drawing.Imaging; - -namespace PrimMesher -{ - public class SculptMap - { - public int width; - public int height; - public byte[] redBytes; - public byte[] greenBytes; - public byte[] blueBytes; - - public SculptMap() - { - } - - public SculptMap(Bitmap bm, int lod) - { - int bmW = bm.Width; - int bmH = bm.Height; - - if (bmW == 0 || bmH == 0) - throw new Exception("SculptMap: bitmap has no data"); - - int numLodPixels = lod * 2 * lod * 2; // (32 * 2)^2 = 64^2 pixels for default sculpt map image - - bool needsScaling = false; - - bool smallMap = bmW * bmH <= lod * lod; - - width = bmW; - height = bmH; - while (width * height > numLodPixels) - { - width >>= 1; - height >>= 1; - needsScaling = true; - } - - - - try - { - if (needsScaling) - bm = ScaleImage(bm, width, height, - System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor); - } - - catch (Exception e) - { - throw new Exception("Exception in ScaleImage(): e: " + e.ToString()); - } - - if (width * height > lod * lod) - { - width >>= 1; - height >>= 1; - } - - int numBytes = (width + 1) * (height + 1); - redBytes = new byte[numBytes]; - greenBytes = new byte[numBytes]; - blueBytes = new byte[numBytes]; - - int byteNdx = 0; - - try - { - for (int y = 0; y <= height; y++) - { - for (int x = 0; x <= width; x++) - { - Color c; - - if (smallMap) - c = bm.GetPixel(x < width ? x : x - 1, - y < height ? y : y - 1); - else - c = bm.GetPixel(x < width ? x * 2 : x * 2 - 1, - y < height ? y * 2 : y * 2 - 1); - - redBytes[byteNdx] = c.R; - greenBytes[byteNdx] = c.G; - blueBytes[byteNdx] = c.B; - - ++byteNdx; - } - } - } - catch (Exception e) - { - throw new Exception("Caught exception processing byte arrays in SculptMap(): e: " + e.ToString()); - } - - width++; - height++; - } - - public List> ToRows(bool mirror) - { - int numRows = height; - int numCols = width; - - List> rows = new List>(numRows); - - float pixScale = 1.0f / 255; - - int rowNdx, colNdx; - int smNdx = 0; - - for (rowNdx = 0; rowNdx < numRows; rowNdx++) - { - List row = new List(numCols); - for (colNdx = 0; colNdx < numCols; colNdx++) - { - if (mirror) - row.Add(new Coord(-(redBytes[smNdx] * pixScale - 0.5f), (greenBytes[smNdx] * pixScale - 0.5f), blueBytes[smNdx] * pixScale - 0.5f)); - else - row.Add(new Coord(redBytes[smNdx] * pixScale - 0.5f, greenBytes[smNdx] * pixScale - 0.5f, blueBytes[smNdx] * pixScale - 0.5f)); - - ++smNdx; - } - rows.Add(row); - } - return rows; - } - - private Bitmap ScaleImage(Bitmap srcImage, int destWidth, int destHeight, - System.Drawing.Drawing2D.InterpolationMode interpMode) - { - Bitmap scaledImage = new Bitmap(srcImage, destWidth, destHeight); - scaledImage.SetResolution(96.0f, 96.0f); - - Graphics grPhoto = Graphics.FromImage(scaledImage); - grPhoto.InterpolationMode = interpMode; - - grPhoto.DrawImage(srcImage, - new Rectangle(0, 0, destWidth, destHeight), - new Rectangle(0, 0, srcImage.Width, srcImage.Height), - GraphicsUnit.Pixel); - - grPhoto.Dispose(); - return scaledImage; - } - } -} -#endif diff --git a/OpenSim/Region/Physics/Meshing/SculptMesh.cs b/OpenSim/Region/Physics/Meshing/SculptMesh.cs deleted file mode 100644 index 4a7f3ad..0000000 --- a/OpenSim/Region/Physics/Meshing/SculptMesh.cs +++ /dev/null @@ -1,646 +0,0 @@ -/* - * Copyright (c) Contributors - * 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. - */ - -// to build without references to System.Drawing, comment this out -#define SYSTEM_DRAWING - -using System; -using System.Collections.Generic; -using System.Text; -using System.IO; - -#if SYSTEM_DRAWING -using System.Drawing; -using System.Drawing.Imaging; -#endif - -namespace PrimMesher -{ - - public class SculptMesh - { - public List coords; - public List faces; - - public List viewerFaces; - public List normals; - public List uvs; - - public enum SculptType { sphere = 1, torus = 2, plane = 3, cylinder = 4 }; - -#if SYSTEM_DRAWING - - public SculptMesh SculptMeshFromFile(string fileName, SculptType sculptType, int lod, bool viewerMode) - { - Bitmap bitmap = (Bitmap)Bitmap.FromFile(fileName); - SculptMesh sculptMesh = new SculptMesh(bitmap, sculptType, lod, viewerMode); - bitmap.Dispose(); - return sculptMesh; - } - - - public SculptMesh(string fileName, int sculptType, int lod, int viewerMode, int mirror, int invert) - { - Bitmap bitmap = (Bitmap)Bitmap.FromFile(fileName); - _SculptMesh(bitmap, (SculptType)sculptType, lod, viewerMode != 0, mirror != 0, invert != 0); - bitmap.Dispose(); - } -#endif - - /// - /// ** Experimental ** May disappear from future versions ** not recommeneded for use in applications - /// Construct a sculpt mesh from a 2D array of floats - /// - /// - /// - /// - /// - /// - /// - public SculptMesh(float[,] zMap, float xBegin, float xEnd, float yBegin, float yEnd, bool viewerMode) - { - float xStep, yStep; - float uStep, vStep; - - int numYElements = zMap.GetLength(0); - int numXElements = zMap.GetLength(1); - - try - { - xStep = (xEnd - xBegin) / (float)(numXElements - 1); - yStep = (yEnd - yBegin) / (float)(numYElements - 1); - - uStep = 1.0f / (numXElements - 1); - vStep = 1.0f / (numYElements - 1); - } - catch (DivideByZeroException) - { - return; - } - - coords = new List(); - faces = new List(); - normals = new List(); - uvs = new List(); - - viewerFaces = new List(); - - int p1, p2, p3, p4; - - int x, y; - int xStart = 0, yStart = 0; - - for (y = yStart; y < numYElements; y++) - { - int rowOffset = y * numXElements; - - for (x = xStart; x < numXElements; x++) - { - /* - * p1-----p2 - * | \ f2 | - * | \ | - * | f1 \| - * p3-----p4 - */ - - p4 = rowOffset + x; - p3 = p4 - 1; - - p2 = p4 - numXElements; - p1 = p3 - numXElements; - - Coord c = new Coord(xBegin + x * xStep, yBegin + y * yStep, zMap[y, x]); - this.coords.Add(c); - if (viewerMode) - { - this.normals.Add(new Coord()); - this.uvs.Add(new UVCoord(uStep * x, 1.0f - vStep * y)); - } - - if (y > 0 && x > 0) - { - Face f1, f2; - - if (viewerMode) - { - f1 = new Face(p1, p4, p3, p1, p4, p3); - f1.uv1 = p1; - f1.uv2 = p4; - f1.uv3 = p3; - - f2 = new Face(p1, p2, p4, p1, p2, p4); - f2.uv1 = p1; - f2.uv2 = p2; - f2.uv3 = p4; - } - else - { - f1 = new Face(p1, p4, p3); - f2 = new Face(p1, p2, p4); - } - - this.faces.Add(f1); - this.faces.Add(f2); - } - } - } - - if (viewerMode) - calcVertexNormals(SculptType.plane, numXElements, numYElements); - } - -#if SYSTEM_DRAWING - public SculptMesh(Bitmap sculptBitmap, SculptType sculptType, int lod, bool viewerMode) - { - _SculptMesh(sculptBitmap, sculptType, lod, viewerMode, false, false); - } - - public SculptMesh(Bitmap sculptBitmap, SculptType sculptType, int lod, bool viewerMode, bool mirror, bool invert) - { - _SculptMesh(sculptBitmap, sculptType, lod, viewerMode, mirror, invert); - } -#endif - - public SculptMesh(List> rows, SculptType sculptType, bool viewerMode, bool mirror, bool invert) - { - _SculptMesh(rows, sculptType, viewerMode, mirror, invert); - } - -#if SYSTEM_DRAWING - /// - /// converts a bitmap to a list of lists of coords, while scaling the image. - /// the scaling is done in floating point so as to allow for reduced vertex position - /// quantization as the position will be averaged between pixel values. this routine will - /// likely fail if the bitmap width and height are not powers of 2. - /// - /// - /// - /// - /// - private List> bitmap2Coords(Bitmap bitmap, int scale, bool mirror) - { - int numRows = bitmap.Height / scale; - int numCols = bitmap.Width / scale; - List> rows = new List>(numRows); - - float pixScale = 1.0f / (scale * scale); - pixScale /= 255; - - int imageX, imageY = 0; - - int rowNdx, colNdx; - - for (rowNdx = 0; rowNdx < numRows; rowNdx++) - { - List row = new List(numCols); - for (colNdx = 0; colNdx < numCols; colNdx++) - { - imageX = colNdx * scale; - int imageYStart = rowNdx * scale; - int imageYEnd = imageYStart + scale; - int imageXEnd = imageX + scale; - float rSum = 0.0f; - float gSum = 0.0f; - float bSum = 0.0f; - for (; imageX < imageXEnd; imageX++) - { - for (imageY = imageYStart; imageY < imageYEnd; imageY++) - { - Color c = bitmap.GetPixel(imageX, imageY); - if (c.A != 255) - { - bitmap.SetPixel(imageX, imageY, Color.FromArgb(255, c.R, c.G, c.B)); - c = bitmap.GetPixel(imageX, imageY); - } - rSum += c.R; - gSum += c.G; - bSum += c.B; - } - } - if (mirror) - row.Add(new Coord(-(rSum * pixScale - 0.5f), gSum * pixScale - 0.5f, bSum * pixScale - 0.5f)); - else - row.Add(new Coord(rSum * pixScale - 0.5f, gSum * pixScale - 0.5f, bSum * pixScale - 0.5f)); - - } - rows.Add(row); - } - return rows; - } - - private List> bitmap2CoordsSampled(Bitmap bitmap, int scale, bool mirror) - { - int numRows = bitmap.Height / scale; - int numCols = bitmap.Width / scale; - List> rows = new List>(numRows); - - float pixScale = 1.0f / 256.0f; - - int imageX, imageY = 0; - - int rowNdx, colNdx; - - for (rowNdx = 0; rowNdx <= numRows; rowNdx++) - { - List row = new List(numCols); - imageY = rowNdx * scale; - if (rowNdx == numRows) imageY--; - for (colNdx = 0; colNdx <= numCols; colNdx++) - { - imageX = colNdx * scale; - if (colNdx == numCols) imageX--; - - Color c = bitmap.GetPixel(imageX, imageY); - if (c.A != 255) - { - bitmap.SetPixel(imageX, imageY, Color.FromArgb(255, c.R, c.G, c.B)); - c = bitmap.GetPixel(imageX, imageY); - } - - if (mirror) - row.Add(new Coord(-(c.R * pixScale - 0.5f), c.G * pixScale - 0.5f, c.B * pixScale - 0.5f)); - else - row.Add(new Coord(c.R * pixScale - 0.5f, c.G * pixScale - 0.5f, c.B * pixScale - 0.5f)); - - } - rows.Add(row); - } - return rows; - } - - - void _SculptMesh(Bitmap sculptBitmap, SculptType sculptType, int lod, bool viewerMode, bool mirror, bool invert) - { - _SculptMesh(new SculptMap(sculptBitmap, lod).ToRows(mirror), sculptType, viewerMode, mirror, invert); - } -#endif - - void _SculptMesh(List> rows, SculptType sculptType, bool viewerMode, bool mirror, bool invert) - { - coords = new List(); - faces = new List(); - normals = new List(); - uvs = new List(); - - sculptType = (SculptType)(((int)sculptType) & 0x07); - - if (mirror) - invert = !invert; - - viewerFaces = new List(); - - int width = rows[0].Count; - - int p1, p2, p3, p4; - - int imageX, imageY; - - if (sculptType != SculptType.plane) - { - if (rows.Count % 2 == 0) - { - for (int rowNdx = 0; rowNdx < rows.Count; rowNdx++) - rows[rowNdx].Add(rows[rowNdx][0]); - } - else - { - int lastIndex = rows[0].Count - 1; - - for (int i = 0; i < rows.Count; i++) - rows[i][0] = rows[i][lastIndex]; - } - } - - Coord topPole = rows[0][width / 2]; - Coord bottomPole = rows[rows.Count - 1][width / 2]; - - if (sculptType == SculptType.sphere) - { - if (rows.Count % 2 == 0) - { - int count = rows[0].Count; - List topPoleRow = new List(count); - List bottomPoleRow = new List(count); - - for (int i = 0; i < count; i++) - { - topPoleRow.Add(topPole); - bottomPoleRow.Add(bottomPole); - } - rows.Insert(0, topPoleRow); - rows.Add(bottomPoleRow); - } - else - { - int count = rows[0].Count; - - List topPoleRow = rows[0]; - List bottomPoleRow = rows[rows.Count - 1]; - - for (int i = 0; i < count; i++) - { - topPoleRow[i] = topPole; - bottomPoleRow[i] = bottomPole; - } - } - } - - if (sculptType == SculptType.torus) - rows.Add(rows[0]); - - int coordsDown = rows.Count; - int coordsAcross = rows[0].Count; -// int lastColumn = coordsAcross - 1; - - float widthUnit = 1.0f / (coordsAcross - 1); - float heightUnit = 1.0f / (coordsDown - 1); - - for (imageY = 0; imageY < coordsDown; imageY++) - { - int rowOffset = imageY * coordsAcross; - - for (imageX = 0; imageX < coordsAcross; imageX++) - { - /* - * p1-----p2 - * | \ f2 | - * | \ | - * | f1 \| - * p3-----p4 - */ - - p4 = rowOffset + imageX; - p3 = p4 - 1; - - p2 = p4 - coordsAcross; - p1 = p3 - coordsAcross; - - this.coords.Add(rows[imageY][imageX]); - if (viewerMode) - { - this.normals.Add(new Coord()); - this.uvs.Add(new UVCoord(widthUnit * imageX, heightUnit * imageY)); - } - - if (imageY > 0 && imageX > 0) - { - Face f1, f2; - - if (viewerMode) - { - if (invert) - { - f1 = new Face(p1, p4, p3, p1, p4, p3); - f1.uv1 = p1; - f1.uv2 = p4; - f1.uv3 = p3; - - f2 = new Face(p1, p2, p4, p1, p2, p4); - f2.uv1 = p1; - f2.uv2 = p2; - f2.uv3 = p4; - } - else - { - f1 = new Face(p1, p3, p4, p1, p3, p4); - f1.uv1 = p1; - f1.uv2 = p3; - f1.uv3 = p4; - - f2 = new Face(p1, p4, p2, p1, p4, p2); - f2.uv1 = p1; - f2.uv2 = p4; - f2.uv3 = p2; - } - } - else - { - if (invert) - { - f1 = new Face(p1, p4, p3); - f2 = new Face(p1, p2, p4); - } - else - { - f1 = new Face(p1, p3, p4); - f2 = new Face(p1, p4, p2); - } - } - - this.faces.Add(f1); - this.faces.Add(f2); - } - } - } - - if (viewerMode) - calcVertexNormals(sculptType, coordsAcross, coordsDown); - } - - /// - /// Duplicates a SculptMesh object. All object properties are copied by value, including lists. - /// - /// - public SculptMesh Copy() - { - return new SculptMesh(this); - } - - public SculptMesh(SculptMesh sm) - { - coords = new List(sm.coords); - faces = new List(sm.faces); - viewerFaces = new List(sm.viewerFaces); - normals = new List(sm.normals); - uvs = new List(sm.uvs); - } - - private void calcVertexNormals(SculptType sculptType, int xSize, int ySize) - { // compute vertex normals by summing all the surface normals of all the triangles sharing - // each vertex and then normalizing - int numFaces = this.faces.Count; - for (int i = 0; i < numFaces; i++) - { - Face face = this.faces[i]; - Coord surfaceNormal = face.SurfaceNormal(this.coords); - this.normals[face.n1] += surfaceNormal; - this.normals[face.n2] += surfaceNormal; - this.normals[face.n3] += surfaceNormal; - } - - int numNormals = this.normals.Count; - for (int i = 0; i < numNormals; i++) - this.normals[i] = this.normals[i].Normalize(); - - if (sculptType != SculptType.plane) - { // blend the vertex normals at the cylinder seam - for (int y = 0; y < ySize; y++) - { - int rowOffset = y * xSize; - - this.normals[rowOffset] = this.normals[rowOffset + xSize - 1] = (this.normals[rowOffset] + this.normals[rowOffset + xSize - 1]).Normalize(); - } - } - - foreach (Face face in this.faces) - { - ViewerFace vf = new ViewerFace(0); - vf.v1 = this.coords[face.v1]; - vf.v2 = this.coords[face.v2]; - vf.v3 = this.coords[face.v3]; - - vf.coordIndex1 = face.v1; - vf.coordIndex2 = face.v2; - vf.coordIndex3 = face.v3; - - vf.n1 = this.normals[face.n1]; - vf.n2 = this.normals[face.n2]; - vf.n3 = this.normals[face.n3]; - - vf.uv1 = this.uvs[face.uv1]; - vf.uv2 = this.uvs[face.uv2]; - vf.uv3 = this.uvs[face.uv3]; - - this.viewerFaces.Add(vf); - } - } - - /// - /// Adds a value to each XYZ vertex coordinate in the mesh - /// - /// - /// - /// - public void AddPos(float x, float y, float z) - { - int i; - int numVerts = this.coords.Count; - Coord vert; - - for (i = 0; i < numVerts; i++) - { - vert = this.coords[i]; - vert.X += x; - vert.Y += y; - vert.Z += z; - this.coords[i] = vert; - } - - if (this.viewerFaces != null) - { - int numViewerFaces = this.viewerFaces.Count; - - for (i = 0; i < numViewerFaces; i++) - { - ViewerFace v = this.viewerFaces[i]; - v.AddPos(x, y, z); - this.viewerFaces[i] = v; - } - } - } - - /// - /// Rotates the mesh - /// - /// - public void AddRot(Quat q) - { - int i; - int numVerts = this.coords.Count; - - for (i = 0; i < numVerts; i++) - this.coords[i] *= q; - - int numNormals = this.normals.Count; - for (i = 0; i < numNormals; i++) - this.normals[i] *= q; - - if (this.viewerFaces != null) - { - int numViewerFaces = this.viewerFaces.Count; - - for (i = 0; i < numViewerFaces; i++) - { - ViewerFace v = this.viewerFaces[i]; - v.v1 *= q; - v.v2 *= q; - v.v3 *= q; - - v.n1 *= q; - v.n2 *= q; - v.n3 *= q; - - this.viewerFaces[i] = v; - } - } - } - - public void Scale(float x, float y, float z) - { - int i; - int numVerts = this.coords.Count; - - Coord m = new Coord(x, y, z); - for (i = 0; i < numVerts; i++) - this.coords[i] *= m; - - if (this.viewerFaces != null) - { - int numViewerFaces = this.viewerFaces.Count; - for (i = 0; i < numViewerFaces; i++) - { - ViewerFace v = this.viewerFaces[i]; - v.v1 *= m; - v.v2 *= m; - v.v3 *= m; - this.viewerFaces[i] = v; - } - } - } - - public void DumpRaw(String path, String name, String title) - { - if (path == null) - return; - String fileName = name + "_" + title + ".raw"; - String completePath = System.IO.Path.Combine(path, fileName); - StreamWriter sw = new StreamWriter(completePath); - - for (int i = 0; i < this.faces.Count; i++) - { - string s = this.coords[this.faces[i].v1].ToString(); - s += " " + this.coords[this.faces[i].v2].ToString(); - s += " " + this.coords[this.faces[i].v3].ToString(); - - sw.WriteLine(s); - } - - sw.Close(); - } - } -} -- cgit v1.1