From e8d5f23fc46fab2e29f7d82cdfefc82879c2e6ea Mon Sep 17 00:00:00 2001 From: UbitUmarov Date: Tue, 8 Sep 2015 17:34:27 +0100 Subject: [PATCH] opps my files? --- .../PhysicsModules/UbitMeshing/HelperTypes.cs | 340 ++++++++++++++++++ 1 file changed, 340 insertions(+) create mode 100644 OpenSim/Region/PhysicsModules/UbitMeshing/HelperTypes.cs diff --git a/OpenSim/Region/PhysicsModules/UbitMeshing/HelperTypes.cs b/OpenSim/Region/PhysicsModules/UbitMeshing/HelperTypes.cs new file mode 100644 index 0000000000..284d9fe687 --- /dev/null +++ b/OpenSim/Region/PhysicsModules/UbitMeshing/HelperTypes.cs @@ -0,0 +1,340 @@ +/* + * 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.PhysicsModules.SharedBase; +using OpenSim.Region.PhysicsModules.UbitMeshing; + +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 = 6; + + String s1 = X.ToString(nfi) + " " + Y.ToString(nfi) + " " + Z.ToString(nfi); + + return s1; + } +} + +public class Triangle +{ + public Vertex v1; + public Vertex v2; + public Vertex v3; + + public Triangle(Vertex _v1, Vertex _v2, Vertex _v3) + { + v1 = _v1; + v2 = _v2; + v3 = _v3; + } + + public Triangle(float _v1x,float _v1y,float _v1z, + float _v2x,float _v2y,float _v2z, + float _v3x,float _v3y,float _v3z) + { + v1 = new Vertex(_v1x, _v1y, _v1z); + v2 = new Vertex(_v2x, _v2y, _v2z); + v3 = new Vertex(_v3x, _v3y, _v3z); + } + + 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; + } +}