/// <summary>
/// Loads an asset from file to the memory.
/// </summary>
/// <param name="pathToAsset"></param>
public List <GeoFace> LoadAsset(String pathToAsset)
{
_SassetFileContent = "";
List <String> LvertexHelper = new List <string>();
List <String> LfaceHelper = new List <string>();
String[] splitChar = { " " };
String[] splitChar2 = { "/" };
// Load the file information to the memory
List <String> LgeoValues = LoadFile(pathToAsset);
if (LgeoValues != null)
{
List <float3> LvertexAttr = new List <float3>();
foreach (String line in LgeoValues)
{
string lineStart = line.Length > 2 ? line.Substring(0, 2) : line.Substring(0, line.Length);
if (line.StartsWith("vt"))
{
string[] lineSplitted = line.Split(splitChar, StringSplitOptions.None);
// vertex texture coordinates
if (LFGMessages._DEBUGOUTPUT)
{
Console.WriteLine(LFGMessages.INFO_UVFOUND + line);
}
List <Double> tmpSave = new List <double>();
foreach (string str in lineSplitted)
{
if (!str.StartsWith("vt") && !str.Equals(""))
{
tmpSave.Add(MeshReader.Double_Parse(str));
}
}
float2 uvVal = new float2(
(float)tmpSave[0],
(float)tmpSave[1]
);
_LuvCoords.Add(uvVal);
}
else if (line.StartsWith("vn"))
{
// vertex normals
}
else if (line.StartsWith("v"))
{
// vertex
string[] lineSplitted = line.Split(splitChar, StringSplitOptions.None);
List <Double> tmpSave = new List <double>();
foreach (string str in lineSplitted)
{
if (!str.StartsWith("v") && !str.Equals(""))
{
tmpSave.Add(MeshReader.Double_Parse(str));
}
}
float3 fVal = new float3(
(float)tmpSave[0],
(float)tmpSave[1],
(float)tmpSave[2]
);
LvertexAttr.Add(fVal);
}
else if (line.StartsWith("p"))
{
// point
}
else if (line.StartsWith("l"))
{
// line
}
else if (line.StartsWith("f"))
{
// there are faces, faces with texture coord, faces with vertex normals and faces with text and normals
if (LFGMessages._DEBUGOUTPUT)
{
Console.WriteLine(LFGMessages.INFO_FACEFOUND + line);
}
string[] lineSplitted = line.Split(splitChar, StringSplitOptions.None);
List <Double> tmpSave = new List <double>();
GeoFace geoF = new GeoFace();
geoF._LFVertices = new List <float3>();
geoF._UV = new List <float2>();
foreach (string str in lineSplitted)
{
if (!str.StartsWith("f"))
{
string[] faceSplit = str.Split(splitChar2, StringSplitOptions.None);
string s = faceSplit[0];
if (LFGMessages._DEBUGOUTPUT)
{
Console.WriteLine(LFGMessages.INFO_VERTEXIDFORFACE + s);
}
//if (s != null || s != "" || !s.Equals("") || !s.Equals(" ") || s != " " || !s.Equals("\n") || s != "\n" || s != "\0" || !s.Equals("\0") || !s.Equals("\r") || s != "\r")
if (!s.Equals("\r"))
{
try
{
int fv = Convert.ToInt32(s);
geoF._LFVertices.Add(LvertexAttr[fv - 1]);
if (faceSplit.Length >= 1)
{
string uvIndex = faceSplit[1]; // TODO: Changed for TESTING! Was 1
int uvAdress = Convert.ToInt32(uvIndex);
geoF._UV.Add(_LuvCoords[uvAdress - 1]);
_LKVuvandvert.Add(new KeyValuePair <int, int>(uvAdress - 1, fv - 1));
}
}
catch (FormatException e)
{
if (LFGMessages._DEBUGOUTPUT)
{
Console.WriteLine(LFGMessages.WARNING_INVALIDCHAR + s + e);
}
//Debug.WriteLine(e.StackTrace);
continue;
}
}
}
}
_LgeoFaces.Add(geoF);
}
else if (line.StartsWith("g"))
{
// group
}
else if (line.StartsWith("usemtl"))
{
// use material
}
else if (line.StartsWith("usemtllib"))
{
// material lib
}
}
}
// Clear the content after the import is done
_SassetFileContent = "";
if (_LgeoFaces != null)
{
return(_LgeoFaces);
}
else
{
return(null);
}
}