public MaterialLibrary(FileExisting file)
{
using (var s = file.OpenReadWrite())
using (StreamReader textReader = new StreamReader(s))
{
MaterialPBR lastMat = new MaterialPBR();
string line;
while ((line = textReader.ReadLine()) != null)
{
line = line.Trim();
line = line.Replace(" ", " ");
string[] parameters = line.Split(splitCharacters);
/*
* Ka 1.000 1.000 1.000
* Kd 1.000 1.000 1.000
* Ks 0.000 0.000 0.000
* d 1.0
* illum 2
* map_Ka lenna.tga # the ambient texture map
* map_Kd lenna.tga # the diffuse texture map (most of the time, it will
# be the same as the ambient texture map)
# map_Ks lenna.tga # specular color texture map
# map_Ns lenna_spec.tga # specular highlight component
# map_d lenna_alpha.tga # the alpha texture map
# map_bump lenna_bump.tga # some implementations use 'map_bump' instead of 'bump' below
* */
switch (parameters[0])
{
case "newmtl":
lastMat = new MaterialPBR();
materials[parameters[1]] = lastMat;
break;
case "Kd": // diffuse
if (parameters.Length > 2)
{
Parse(ref parameters[1], ref lastMat.albedo.X);
Parse(ref parameters[2], ref lastMat.albedo.Y);
Parse(ref parameters[3], ref lastMat.albedo.Z);
}
else
{
float r = 1;
Parse(ref parameters[1], ref r);
lastMat.albedo.X = lastMat.albedo.Y = lastMat.albedo.Z = r;
}
break;
case "map_Kd":
lastMat.albedoTexture = new Texture2D(FileSystem.FindFile(parameters[1], file.Folder));
break;
}
}
textReader.Close();
}
}
void LoadLocalCopy()
{
using (var s = file.OpenReadWrite())
bmp = new Bitmap(s);
}
void TryReadConfig()
{
doSaveNewCvars = false;
var configFile = file.OpenReadWrite();
if (!configFile.CanRead)
{
Log.Fatal("can not read config file");
return;
}
configFile.Position = 0;
var reader = new StreamReader(configFile, Encoding.UTF8);
var allText = reader.ReadToEnd();
reader.Close();
var textLines = allText.Split(new char[] { '\r' });
saveData.Clear();
int lineNumber = 0;
foreach (var _line in textLines)
{
lineNumber++;
CVar cvar = null;
string dataPart = _line.Trim();
string commentPart = "";
var commentIndex = dataPart.IndexOfAny(new char[] { '#' }); // ab#c // # is comment
if (commentIndex != -1) // 2
{
commentPart = dataPart.Trim().Substring(commentIndex); // #c
dataPart = dataPart.Trim().Substring(0, commentIndex); // ab
}
if (dataPart.IsNullOrEmptyOrWhiteSpace() == false)
{
var dataParts = dataPart.Split(new char[] { '=' });
if (dataParts.Length < 2)
{
Log.Error("found badly formatted data on line " + lineNumber + " '" + dataPart + "'");
continue;
}
var name = dataParts[0].Trim();
cvar = GetCVar(name);
bool typedBoolValue;
float typedFloatValue;
OpenTK.Input.Key keyTyped;
var value = dataParts[1].Trim();
if (value == "not set")
{
cvar.ValueType = CvarValueType.NotSet;
}
else if (float.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out typedFloatValue))
{
cvar.Number = typedFloatValue;
}
else if (bool.TryParse(value, out typedBoolValue))
{
cvar.Bool = typedBoolValue;
}
if (dataParts.Length > 2)
{
var toggleKey = dataParts[2].Trim();
if (Enum.TryParse <OpenTK.Input.Key>(toggleKey, true, out keyTyped))
{
cvar.ToogledByKey(keyTyped);
}
else
{
Log.Warn("invalid toggle key for cvar: " + toggleKey);
}
}
Log.Info("loaded cvar: '" + ToSaveString(cvar) + "' from line: '" + dataPart + "'");
}
saveData.Add(new LineHolder()
{
associatedCvar = cvar, commentPart = commentPart, dataPart = dataPart
});
}
doSaveNewCvars = true;
}
void Prepend(FileExisting name)
{
using (var fs = new System.IO.StreamReader(name.OpenReadWrite()))
prependSource += fs.ReadToEnd();
}
public Mesh Parse()
{
using (StreamReader textReader = new StreamReader(file.OpenReadWrite()))
{
int i1, i2, i3, i4;
string line;
while ((line = textReader.ReadLine()) != null)
{
line = line.Trim();
if (line.StartsWith("#"))
{
continue;
}
line = line.Replace(" ", " ");
string[] parameters = line.Split(splitCharacters);
switch (parameters[0])
{
case "p": // Point
break;
case "v": // Vertex
var v = Vector3.Zero;
Parse(ref parameters[1], ref v.X);
Parse(ref parameters[2], ref v.Y);
Parse(ref parameters[3], ref v.Z);
verticesObj.Add(v);
break;
case "vt": // TexCoord
gotUvs = true;
var vt = Vector2.Zero;
Parse(ref parameters[1], ref vt.X);
Parse(ref parameters[2], ref vt.Y);
uvsObj.Add(vt);
break;
case "vn": // Normal
gotNormal = true;
var vn = Vector3.Zero;
Parse(ref parameters[1], ref vn.X);
Parse(ref parameters[2], ref vn.Y);
Parse(ref parameters[3], ref vn.Z);
normalsObj.Add(vn);
break;
case "f":
switch (parameters.Length)
{
case 4:
i1 = ParseFaceParameter(parameters[1]);
i2 = ParseFaceParameter(parameters[2]);
i3 = ParseFaceParameter(parameters[3]);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i2);
triangleIndiciesMesh.Add(i3);
break;
case 5:
i1 = ParseFaceParameter(parameters[1]);
i2 = ParseFaceParameter(parameters[2]);
i3 = ParseFaceParameter(parameters[3]);
i4 = ParseFaceParameter(parameters[4]);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i2);
triangleIndiciesMesh.Add(i3);
triangleIndiciesMesh.Add(i1);
triangleIndiciesMesh.Add(i3);
triangleIndiciesMesh.Add(i4);
break;
}
break;
case "mtllib":
if (FileSystem.FileExists(parameters[1], file.Folder))
{
materialLibrary = new MaterialLibrary(FileSystem.FindFile(parameters[1], file.Folder));
}
break;
case "usemtl":
if (parameters[1] == "(null)")
{
continue;
}
if (materialLibrary != null)
{
lastMaterial = materialLibrary.GetMat(parameters[1]);
}
break;
}
}
textReader.Close();
}
if (appendToEntity != null)
{
return(EndObjPart(appendToEntity));
}
Log.Info("loaded, vertices:" + verticesMesh.Count + " faces:" + triangleIndiciesMesh.Count / 3);
return(EndMesh());
}
