public void MtlLoad_Tests()
{
var mtlFile = Path.Combine(SampleRootPath, "model/model.mtl");
var model = MtlParser.Parse(mtlFile);
Assert.NotNull(model);
Assert.Equal(4, model.Materials.Count);
}
public Converter(string objFile, bool binary, bool withBatchTable = false)
: this(objFile, new GltfOptions
{
Binary = binary,
WithBatchTable = withBatchTable,
ObjEncoding = MtlParser.InitEncoding(objFile)
})
{
}
private void AddSponzaAtriumObjects()
{
ObjParser parser = new ObjParser();
using (FileStream objStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.obj")))
{
ObjFile atriumFile = parser.Parse(objStream);
MtlFile atriumMtls;
using (FileStream mtlStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.mtl")))
{
atriumMtls = new MtlParser().Parse(mtlStream);
}
foreach (ObjFile.MeshGroup group in atriumFile.MeshGroups)
{
Vector3 scale = new Vector3(0.1f);
ConstructedMeshInfo mesh = atriumFile.GetMesh(group);
MaterialDefinition materialDef = atriumMtls.Definitions[mesh.MaterialName];
ImageSharpTexture overrideTextureData = null;
ImageSharpTexture alphaTexture = null;
MaterialPropsAndBuffer materialProps = CommonMaterials.Brick;
if (materialDef.DiffuseTexture != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.DiffuseTexture);
overrideTextureData = LoadTexture(texturePath, true);
}
if (materialDef.AlphaMap != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.AlphaMap);
alphaTexture = LoadTexture(texturePath, false);
}
if (materialDef.Name.Contains("vase"))
{
materialProps = CommonMaterials.Vase;
}
if (group.Name == "sponza_117")
{
MirrorMesh.Plane = Plane.CreateFromVertices(
atriumFile.Positions[group.Faces[0].Vertex0.PositionIndex] * scale.X,
atriumFile.Positions[group.Faces[0].Vertex1.PositionIndex] * scale.Y,
atriumFile.Positions[group.Faces[0].Vertex2.PositionIndex] * scale.Z);
materialProps = CommonMaterials.Reflective;
}
AddTexturedMesh(
mesh,
overrideTextureData,
alphaTexture,
materialProps,
Vector3.Zero,
Quaternion.Identity,
scale,
group.Name);
}
}
}
public void LoadMtl_Test()
{
var mtlFile = @"..\..\..\..\testassets\Office\model.mtl";
Assert.True(System.IO.File.Exists(mtlFile), "mtl file does not exist!");
using (var mtlParser = new MtlParser(mtlFile))
{
var mats = mtlParser.GetMats();
Assert.True(mats.Count > 0);
}
}
private void DrawObj()
{
string texPath = ConfigurationManager.AppSettings["TexPath"];
string path = ConfigurationManager.AppSettings["ObjPath"];
StringBuilder builder = new StringBuilder();
Stopwatch watch = Stopwatch.StartNew();
Mesh mesh = ObjParser.GetMeshFromFile(path);
List <Material> materials = MtlParser.GetMaterialFromFile("Wood Texture.mtl");
watch.Stop();
builder.AppendLine($"Parsing: {watch.ElapsedMilliseconds} ms");
watch = Stopwatch.StartNew();
mesh.Texture = Bitmap.FromFile(texPath) as Bitmap;
watch.Stop();
builder.AppendLine($"Loading texture: {watch.ElapsedMilliseconds} ms");
watch = Stopwatch.StartNew();
_canvas.DrawMesh(mesh, Line.LineType.Bresenham);
watch.Stop();
builder.AppendLine($"Drawing: {watch.ElapsedMilliseconds} ms");
LogView.Text = builder.ToString();
}
private void AddSponzaAtriumObjects(CommandList cl)
{
ObjParser parser = new ObjParser();
using (FileStream objStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.obj")))
{
ObjFile atriumFile = parser.Parse(objStream);
MtlFile atriumMtls;
using (FileStream mtlStream = File.OpenRead(AssetHelper.GetPath("Models/SponzaAtrium/sponza.mtl")))
{
atriumMtls = new MtlParser().Parse(mtlStream);
}
foreach (ObjFile.MeshGroup group in atriumFile.MeshGroups)
{
ConstructedMeshInfo mesh = atriumFile.GetMesh(group);
MaterialDefinition materialDef = atriumMtls.Definitions[mesh.MaterialName];
ImageSharpTexture overrideTextureData = null;
ImageSharpTexture alphaTexture = null;
MaterialPropsAndBuffer materialProps = CommonMaterials.Brick;
if (materialDef.DiffuseTexture != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.DiffuseTexture);
overrideTextureData = LoadTexture(texturePath, true);
}
if (materialDef.AlphaMap != null)
{
string texturePath = AssetHelper.GetPath("Models/SponzaAtrium/" + materialDef.AlphaMap);
alphaTexture = LoadTexture(texturePath, false);
}
if (materialDef.Name.Contains("vase"))
{
materialProps = CommonMaterials.Vase;
}
AddTexturedMesh(cl, mesh, overrideTextureData, alphaTexture, materialProps, Vector3.Zero, Quaternion.Identity, new Vector3(0.1f));
}
}
}
public MtlFile Deserialize(Stream stream)
{
var parser = new MtlParser();
return(parser.Parse(stream));
}
/// <summary>
/// Store the data from the parsed .mtl file in the Mtl attribute
/// </summary>
public void UpdateMtlData()
{
Mtl = MtlParser.GetMtlData(this);
}
