private static void WriteTesselatedObjectToIVFile(TesselatedObject vrmlData, string ivFilename)
{
using (StreamWriter writer = new StreamWriter(ivFilename))
{
writer.WriteLine(IV_FILE_HEADER);
for (int i = 0; i < vrmlData.Points.Length / 3; i++)
{
writer.WriteLine("\t\t\t{0} {1} {2},", vrmlData.Points[i, 0], vrmlData.Points[i, 1], vrmlData.Points[i, 2]);
}
writer.WriteLine("\t\t]");
writer.WriteLine("\t}");
writer.WriteLine("\tIndexedFaceSet {");
writer.WriteLine("\t\tcoordIndex [");
for (int i = 0; i < vrmlData.Connections.Length / 3; i++)
{
writer.WriteLine("\t\t\t{0}, {1}, {2}, -1,", vrmlData.Connections[i, 0], vrmlData.Connections[i, 1], vrmlData.Connections[i, 2]);
}
writer.WriteLine("\t\t]");
writer.WriteLine("\t}");
writer.WriteLine("}");
}
}
public static TesselatedObject parseVRMLFile(string filename, bool autoFixMimics10Scale)
{
TesselatedObject vrmlData = new TesselatedObject();
string full;
using (StreamReader r = new StreamReader(filename))
{
full = r.ReadToEnd();
}
Regex pointRegex = new Regex(@"point\s+\[");
Regex closingRegex = new Regex("]");
Regex coordIndexRegex = new Regex(@"coordIndex\s+\[");
/* if we are supposed to search for fixing Mimics Scale,
* then we need to look before we strip the comments. The key
* is a comment :)
*/
bool applyMimics10Scale = false;
if (autoFixMimics10Scale)
{
//check for it, we will re-use this bool value as an indicator of if the scale needs to be changed
if (full.Contains(MIMICS_10_SCALE_KEY) ||
full.Contains(MIMICS_13_SCALE_KEY))
{
applyMimics10Scale = true;
}
}
//Remove all comments from the file
full = Regex.Replace(full, @"#.*$", "", RegexOptions.Multiline);
Match pointMatch = pointRegex.Match(full);
int s = pointMatch.Index;
int e = closingRegex.Match(full, s + pointMatch.Length).Index;
string ptsSection = full.Substring(s + pointMatch.Length, e - s - pointMatch.Length);
Match coordMatch = coordIndexRegex.Match(full);
s = coordMatch.Index;
e = closingRegex.Match(full, s + coordMatch.Length).Index;
string connSection = full.Substring(s + coordMatch.Length, e - s - coordMatch.Length);
double[] scale = { 1.0, 1.0, 1.0 };
Match scaleMatch = Regex.Match(full, @"scale\s+([\d\.]+)\s+([\d\.]+)\s+([\d\.]+)");
if (scaleMatch.Success)
{
scale[0] = Double.Parse(scaleMatch.Groups[1].Value);
scale[1] = Double.Parse(scaleMatch.Groups[1].Value);
scale[2] = Double.Parse(scaleMatch.Groups[1].Value);
}
if (applyMimics10Scale)
{
scale[0] *= 1000;
scale[1] *= 1000;
scale[2] *= 1000;
}
vrmlData.Points = parsePts(ptsSection, scale);
vrmlData.Connections = parseConn(connSection);
return(vrmlData);
}
public static void ConvertVRMLToIV(string vrmlFilename, string ivFilename, bool autoFixMimics10Scale)
{
TesselatedObject data = parseVRMLFile(vrmlFilename, autoFixMimics10Scale);
WriteTesselatedObjectToIVFile(data, ivFilename);
}
public VRMLParser(string fname)
{
_localObject = parseVRMLFile(fname);
}
