public static void WriteASCIIFile(Triangle[] triangles, string fileName)
{
ReplaceCharInStr ReplaceCommaToDot = (string line) =>
{
int commaIndex = line.IndexOf(',');
if (commaIndex == -1)
{
return(line);
}
StringBuilder tempStr = new StringBuilder();
tempStr.Append(line.Substring(0, commaIndex));
tempStr.Append('.');
tempStr.Append(line.Substring(commaIndex + 1));
return(tempStr.ToString());
};
Stream baseStream = new FileStream(fileName, FileMode.Create);
StreamWriter writeFile = new StreamWriter(baseStream);
using (writeFile)
{
writeFile.WriteLine("solid\t" + fileName);
foreach (Triangle triangl in triangles)
{
string normalXStr = ReplaceCommaToDot(triangl.Normal.X.ToString());
string normalYStr = ReplaceCommaToDot(triangl.Normal.Y.ToString());
string normalZStr = ReplaceCommaToDot(triangl.Normal.Z.ToString());
writeFile.WriteLine("facet normal {0} {1} {2}", normalXStr, normalYStr, normalZStr);
writeFile.WriteLine("outer loop");
for (int i = 0; i < 3; i++)
{
string vertexXStr = ReplaceCommaToDot(triangl[i].X.ToString());
string vertexYStr = ReplaceCommaToDot(triangl[i].Y.ToString());
string vertexZStr = ReplaceCommaToDot(triangl[i].Z.ToString());
writeFile.WriteLine("vertex {0} {1} {2}", vertexXStr, vertexYStr, vertexZStr);
}
writeFile.WriteLine("endloop");
writeFile.WriteLine("endfacet");
}
writeFile.Write("endfacet");
}
}
private static Triangle[] ReadASCIIFile(string fileName)
{
ReplaceCharInStr ReplaceDotToComma = (string line) =>
{
int dotIndex = line.IndexOf('.');
StringBuilder tempStr = new StringBuilder();
tempStr.Append(line.Substring(0, dotIndex));
tempStr.Append(',');
tempStr.Append(line.Substring(dotIndex + 1));
return(tempStr.ToString());
};
List <Vertex> values = new List <Vertex>();
List <Triangle> resultTriangles = new List <Triangle>();
Vertex normal = new Vertex();
try
{
StreamReader readFile = new StreamReader(fileName, Encoding.ASCII);
using (readFile)
{
while (!readFile.EndOfStream)
{
try
{
string nextLine = readFile.ReadLine();
string[] line = nextLine.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (line[0].Equals("vertex"))
{
//Крапку перероблюємо у кому бо double.Parse її не розпізнає
for (int i = 1; i < 4; i++)
{
line[i] = ReplaceDotToComma(line[i]);
}
double x = double.Parse(line[1]);
double y = double.Parse(line[2]);
double z = double.Parse(line[3]);
values.Add(new Vertex(x, y, z));
}
else if (line[0].Equals("facet"))
{
for (int i = 2; i < 5; i++)
{
line[i] = ReplaceDotToComma(line[i]);
}
double xNormal = double.Parse(line[2]);
double yNormal = double.Parse(line[3]);
double zNormal = double.Parse(line[4]);
normal = new Vertex(xNormal, yNormal, zNormal);
}
if (values.Count == 3)
{
resultTriangles.Add(new Triangle(values, normal));
values.Clear();
}
}
catch (FormatException e)
{
Console.WriteLine("Occured error while reading the file:" + e.Message);
}
}
}
}
catch (IOException e)
{
Console.WriteLine("Виникли проблеми при зчитуванні файлу: " + e.Message);
}
catch (IndexOutOfRangeException e)
{
Console.WriteLine("Вершина містить недостатньо координат:" + e.Message);
}
return(resultTriangles.ToArray());
}
