using System;
using System.Collections.Generic;
using System.IO;
using TriangleNet.Geometry;

namespace TriangleNet.IO
{
	// Token: 0x0200002B RID: 43
	public class TriangleFormat : IGeometryFormat, IMeshFormat
	{
		// Token: 0x06000163 RID: 355 RVA: 0x00017B88 File Offset: 0x00015D88
		public Mesh Import(string filename)
		{
			string extension = Path.GetExtension(filename);
			if (extension == ".node" || extension == ".poly" || extension == ".ele")
			{
				InputGeometry inputGeometry;
				List<ITriangle> list;
				FileReader.Read(filename, out inputGeometry, out list);
				if (inputGeometry != null && list != null)
				{
					Mesh mesh = new Mesh();
					mesh.Load(inputGeometry, list);
					return mesh;
				}
			}
			throw new NotSupportedException("Could not load '" + filename + "' file.");
		}

		// Token: 0x06000164 RID: 356 RVA: 0x00017BF6 File Offset: 0x00015DF6
		public void Write(Mesh mesh, string filename)
		{
			FileWriter.WritePoly(mesh, Path.ChangeExtension(filename, ".poly"));
			FileWriter.WriteElements(mesh, Path.ChangeExtension(filename, ".ele"));
		}

		// Token: 0x06000165 RID: 357 RVA: 0x00017C1C File Offset: 0x00015E1C
		public InputGeometry Read(string filename)
		{
			string extension = Path.GetExtension(filename);
			if (extension == ".node")
			{
				return FileReader.ReadNodeFile(filename);
			}
			if (extension == ".poly")
			{
				return FileReader.ReadPolyFile(filename);
			}
			throw new NotSupportedException("File format '" + extension + "' not supported.");
		}
	}
}