93 lines
2.7 KiB
C#
93 lines
2.7 KiB
C#
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// -----------------------------------------------------------------------
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// <copyright file="TriangleFormat.cs" company="">
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// Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
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// </copyright>
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// -----------------------------------------------------------------------
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namespace UnityEngine.U2D.Animation.TriangleNet
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.IO
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{
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using System;
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using System.Collections.Generic;
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using System.IO;
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using Animation.TriangleNet.Geometry;
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using Animation.TriangleNet.Meshing;
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/// <summary>
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/// Implements geometry and mesh file formats of the the original Triangle code.
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/// </summary>
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internal class TriangleFormat : IPolygonFormat, IMeshFormat
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{
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public bool IsSupported(string file)
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{
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string ext = Path.GetExtension(file).ToLower();
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if (ext == ".node" || ext == ".poly" || ext == ".ele")
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{
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return true;
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}
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return false;
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}
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public IMesh Import(string filename)
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{
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string ext = Path.GetExtension(filename);
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if (ext == ".node" || ext == ".poly" || ext == ".ele")
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{
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List<ITriangle> triangles;
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Polygon geometry;
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(new TriangleReader()).Read(filename, out geometry, out triangles);
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if (geometry != null && triangles != null)
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{
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return Converter.ToMesh(geometry, triangles.ToArray());
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}
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}
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throw new NotSupportedException("Could not load '" + filename + "' file.");
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}
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public void Write(IMesh mesh, string filename)
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{
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var writer = new TriangleWriter();
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writer.WritePoly((Mesh)mesh, Path.ChangeExtension(filename, ".poly"));
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writer.WriteElements((Mesh)mesh, Path.ChangeExtension(filename, ".ele"));
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}
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public void Write(IMesh mesh, Stream stream)
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{
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throw new NotImplementedException();
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}
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public IPolygon Read(string filename)
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{
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string ext = Path.GetExtension(filename);
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if (ext == ".node")
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{
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return (new TriangleReader()).ReadNodeFile(filename);
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}
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else if (ext == ".poly")
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{
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return (new TriangleReader()).ReadPolyFile(filename);
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}
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throw new NotSupportedException("File format '" + ext + "' not supported.");
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}
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public void Write(IPolygon polygon, string filename)
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{
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(new TriangleWriter()).WritePoly(polygon, filename);
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}
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public void Write(IPolygon polygon, Stream stream)
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{
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throw new NotImplementedException();
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}
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}
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}
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