public void TestParseFace3()
{
// given
var expected = new ObjFormat.Face();
var obj = new ObjFormat();
expected.GeometricVertexReferences.AddRange(new List <int> {
1, 2, 3, 4
});
expected.NormalVertexReferences.AddRange(new List <int> {
1, 2, 3, 4
});
expected.TextureVertexReferences.AddRange(new List <int> {
1, 2, 3, 4
});
var completeLayout = "1/1/1 2/2/2 3/3/3 4/4/4";
// when
var result = reader.ParseFace(completeLayout, obj);
// then
Assert.True(expected.GeometricVertexReferences.SequenceEqual(result.GeometricVertexReferences));
Assert.True(expected.NormalVertexReferences.SequenceEqual(result.NormalVertexReferences));
Assert.True(expected.TextureVertexReferences.SequenceEqual(result.TextureVertexReferences));
}
public void TestParseFace1()
{
// given
var expected = new ObjFormat.Face();
var obj = new ObjFormat();
expected.GeometricVertexReferences.AddRange(new List <int> {
3, 4, 25, 26
});
var onlyVertexLayout = "3 4 25 26";
// when
var result = reader.ParseFace(onlyVertexLayout, obj);
// then
Assert.True(expected.GeometricVertexReferences.SequenceEqual(result.GeometricVertexReferences));
}
internal ObjFormat.Face ParseFace(string str, ObjFormat obj)
{
var faceLayout = DetermineFaceLayout(str);
var faceElementsPerLine = str.Split(' ');
var result = new ObjFormat.Face();
foreach (var faceElement in faceElementsPerLine)
{
if (faceLayout != null && faceLayout.IsMatch(faceElement))
{
if (faceLayout == OnlyVertices)
{
var vertexRef = ParseFaceElement(faceElement, obj.GeometricVertices.Count);
result.GeometricVertexReferences.Add(vertexRef);
}
else if (faceLayout == Complete)
{
var elements = faceElement.Split('/');
result.GeometricVertexReferences.Add(ParseFaceElement(elements[0], obj.GeometricVertices.Count));
result.TextureVertexReferences.Add(ParseFaceElement(elements[1], obj.TextureVertices.Count));
result.NormalVertexReferences.Add(ParseFaceElement(elements[2], obj.VertexNormals.Count));
}
else if (faceLayout == VerticesAndNormals)
{
var elements = faceElement.Split('/');
result.GeometricVertexReferences.Add(ParseFaceElement(elements[0], obj.GeometricVertices.Count));
result.NormalVertexReferences.Add(ParseFaceElement(elements[2], obj.VertexNormals.Count));
}
else if (faceLayout == VerticesAndTexture)
{
var elements = faceElement.Split('/');
result.GeometricVertexReferences.Add(ParseFaceElement(elements[0], obj.GeometricVertices.Count));
result.TextureVertexReferences.Add(ParseFaceElement(elements[1], obj.TextureVertices.Count));
}
}
else
{
throw new FormatException($"Not recognizable .obj face element layout: {faceElement}");
}
}
return(result);
}
public void TestParseFace2()
{
// given
var expected = new ObjFormat.Face();
var obj = new ObjFormat();
expected.GeometricVertexReferences.AddRange(new List <int> {
1, 2, 3, 4
});
expected.NormalVertexReferences.AddRange(new List <int> {
1, 2, 3, 4
});
var vertexAndNormalLayout = "1//1 2//2 3//3 4//4";
// when
var result = reader.ParseFace(vertexAndNormalLayout, obj);
// then
Assert.True(expected.GeometricVertexReferences.SequenceEqual(result.GeometricVertexReferences));
Assert.True(expected.NormalVertexReferences.SequenceEqual(result.NormalVertexReferences));
}
