public static MeshGroup FromFbx(string filePath)
{
const float Scale = 1.0f;
var assimp = new Assimp.AssimpContext();
var scene = assimp.ImportFile(filePath, Assimp.PostProcessSteps.PreTransformVertices);
var baseFilePath = Path.GetDirectoryName(filePath);
TexList = new List <string>();
TextureData = new List <Tm2>();
foreach (Assimp.Material mat in scene.Materials)
{
TexList.Add(Path.GetFileName(mat.TextureDiffuse.FilePath));
Stream str = File.OpenRead(TexList[TexList.Count - 1]);
PngImage png = new PngImage(str);
Tm2 tmImage = Tm2.Create(png);
TextureData.Add(tmImage);
}
int childCount = scene.RootNode.ChildCount;
return(new MeshGroup()
{
MeshDescriptors = scene.Meshes
.Select(x =>
{
var vertices = new PositionColoredTextured[x.Vertices.Count];
for (var i = 0; i < vertices.Length; i++)
{
vertices[i].X = x.Vertices[i].X * Scale;
vertices[i].Y = x.Vertices[i].Y * Scale;
vertices[i].Z = x.Vertices[i].Z * Scale;
vertices[i].Tu = x.TextureCoordinateChannels[0][i].X;
vertices[i].Tv = 1.0f - x.TextureCoordinateChannels[0][i].Y;
vertices[i].R = 1.0f;
vertices[i].G = 1.0f;
vertices[i].B = 1.0f;
vertices[i].A = 1.0f;
}
return new MeshDescriptor
{
Vertices = vertices,
Indices = x.GetIndices(),
IsOpaque = true,
TextureIndex = x.MaterialIndex
};
}).ToList()
});
}
public static List <MeshGroup> FromFbx(string filePath)
{
List <MeshGroup> group = new List <MeshGroup>();
const float Scale = 1.0f;
var assimp = new Assimp.AssimpContext();
var scene = assimp.ImportFile(filePath, Assimp.PostProcessSteps.PreTransformVertices);
var baseFilePath = Path.GetDirectoryName(filePath);
TexList = new List <string>();
TextureData = new List <Tm2>();
foreach (Assimp.Material mat in scene.Materials)
{
TexList.Add(Path.GetFileName(mat.TextureDiffuse.FilePath));
Stream str = File.OpenRead(TexList[TexList.Count - 1]);
PngImage png = new PngImage(str);
Tm2 tmImage = Tm2.Create(png);
TextureData.Add(tmImage);
}
for (int i = 0; i < scene.RootNode.ChildCount; i++)
{
Node child = scene.RootNode.Children[i];
MeshGroup currentMeshGroup = new MeshGroup();
currentMeshGroup.MeshDescriptors = new List <MeshDescriptor>();
// Get meshes by ID.
foreach (int j in child.MeshIndices)
{
MeshDescriptor meshDescriptor = new MeshDescriptor();
Mesh x = scene.Meshes[j];
var vertices = new PositionColoredTextured[x.Vertices.Count];
for (var k = 0; k < vertices.Length; k++)
{
vertices[k].X = x.Vertices[k].X * Scale;
vertices[k].Y = x.Vertices[k].Y * Scale;
vertices[k].Z = x.Vertices[k].Z * Scale;
vertices[k].Tu = x.TextureCoordinateChannels[0][k].X;
vertices[k].Tv = 1.0f - x.TextureCoordinateChannels[0][k].Y;
vertices[k].R = x.VertexColorChannels[0][i].R;
vertices[k].G = x.VertexColorChannels[0][i].G;
vertices[k].B = x.VertexColorChannels[0][i].B;
vertices[k].A = x.VertexColorChannels[0][i].A;
}
meshDescriptor.Vertices = vertices;
meshDescriptor.Indices = x.GetIndices();
meshDescriptor.IsOpaque = false;
meshDescriptor.TextureIndex = x.MaterialIndex;
currentMeshGroup.MeshDescriptors.Add(meshDescriptor);
}
group.Add(currentMeshGroup);
}
return(group);
}
public static MeshGroup FromFbx(string filePath)
{
const float Scale = 1.0f;
var assimp = new Assimp.AssimpContext();
var scene = assimp.ImportFile(filePath, Assimp.PostProcessSteps.PreTransformVertices);
var BoneScene = assimp.ImportFile(filePath);
var baseFilePath = Path.GetDirectoryName(filePath);
TexList = new List <string>();
TextureData = new List <Tm2>();
BoneData = new List <Assimp.Bone>();
NodeData = new List <Assimp.Node>();
foreach (Assimp.Material mat in scene.Materials)
{
Stream str = null;
var name = Path.GetFileName(mat.TextureDiffuse.FilePath);
if (name != "" || name != null)
{
str = File.OpenRead(name);
}
if (str != null)
{
TexList.Add(Path.GetFileName(mat.TextureDiffuse.FilePath));
PngImage png = new PngImage(str);
Tm2 tmImage = Tm2.Create(png);
TextureData.Add(tmImage);
}
}
Assimp.Bone rBone = new Assimp.Bone();
foreach (var m in BoneScene.Meshes)
{
foreach (var bn in m.Bones)
{
if (!BoneData.Contains(bn))
{
BoneData.Add(bn);
}
}
}
NodeData.AddRange(BoneScene.RootNode.Children.ToList());
return(new MeshGroup()
{
MeshDescriptors = scene.Meshes
.Select(x =>
{
var vertices = new PositionColoredTextured[x.Vertices.Count];
for (var i = 0; i < vertices.Length; i++)
{
vertices[i].X = x.Vertices[i].X * Scale;
vertices[i].Y = x.Vertices[i].Y * Scale;
vertices[i].Z = x.Vertices[i].Z * Scale;
vertices[i].Tu = x.TextureCoordinateChannels[0][i].X;
vertices[i].Tv = 1.0f - x.TextureCoordinateChannels[0][i].Y;
vertices[i].R = x.VertexColorChannels[0][i].R;
vertices[i].G = x.VertexColorChannels[0][i].G;
vertices[i].B = x.VertexColorChannels[0][i].B;
vertices[i].A = x.VertexColorChannels[0][i].A;
}
return new MeshDescriptor
{
Vertices = vertices,
Indices = x.GetIndices(),
IsOpaque = true,
TextureIndex = x.MaterialIndex
};
}).ToList()
});
}