public SkinnedModel(Device device, TextureManager texMgr, string filename, string texturePath, bool flipTexY = false)
{
var importer = new AssimpImporter();
#if DEBUG
importer.AttachLogStream(new ConsoleLogStream());
importer.VerboseLoggingEnabled = true;
#endif
var model = importer.ImportFile(filename, PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.CalculateTangentSpace);
// Load animation data
Animator = new SceneAnimator();
Animator.Init(model);
// create our vertex-to-boneweights lookup
var vertToBoneWeight = new Dictionary <uint, List <VertexWeight> >();
// create bounding box extents
_min = new Vector3(float.MaxValue);
_max = new Vector3(float.MinValue);
foreach (var mesh in model.Meshes)
{
ExtractBoneWeightsFromMesh(mesh, vertToBoneWeight);
var subset = new MeshGeometry.Subset {
VertexCount = mesh.VertexCount,
VertexStart = Vertices.Count,
FaceStart = Indices.Count / 3,
FaceCount = mesh.FaceCount
};
Subsets.Add(subset);
var verts = ExtractVertices(mesh, vertToBoneWeight, flipTexY);
Vertices.AddRange(verts);
// extract indices and shift them to the proper offset into the combined vertex buffer
var indices = mesh.GetIndices().Select(i => (short)(i + (uint)subset.VertexStart)).ToList();
Indices.AddRange(indices);
// extract materials
var mat = model.Materials[mesh.MaterialIndex];
var material = mat.ToMaterial();
Materials.Add(material);
// extract material textures
var diffusePath = mat.GetTexture(TextureType.Diffuse, 0).FilePath;
if (!string.IsNullOrEmpty(diffusePath))
{
DiffuseMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, diffusePath)));
}
var normalPath = mat.GetTexture(TextureType.Normals, 0).FilePath;
if (!string.IsNullOrEmpty(normalPath))
{
NormalMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, normalPath)));
}
else
{
// for models created without a normal map baked, we'll check for a texture with the same
// filename as the diffure texture, and _nmap suffixed
// this lets us add our own normal maps easily
var normalExt = Path.GetExtension(diffusePath);
normalPath = Path.GetFileNameWithoutExtension(diffusePath) + "_nmap" + normalExt;
if (File.Exists(Path.Combine(texturePath, normalPath)))
{
NormalMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, normalPath)));
}
}
}
BoundingBox = new BoundingBox(_min, _max);
ModelMesh.SetSubsetTable(Subsets);
ModelMesh.SetVertices(device, Vertices);
ModelMesh.SetIndices(device, Indices);
}
public SkinnedModel(Device device, TextureManager texMgr, string filename, string texturePath, bool flipTexY = false)
{
// initialize collections
_subsets = new List<MeshGeometry.Subset>();
_vertices = new List<PosNormalTexTanSkinned>();
_indices = new List<short>();
DiffuseMapSRV = new List<ShaderResourceView>();
NormalMapSRV = new List<ShaderResourceView>();
Materials = new List<Material>();
var importer = new AssimpImporter();
#if DEBUG
importer.AttachLogStream(new ConsoleLogStream());
importer.VerboseLoggingEnabled = true;
#endif
var model = importer.ImportFile(filename, PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.CalculateTangentSpace );
// Load animation data
Animator = new SceneAnimator();
Animator.Init(model);
// create our vertex-to-boneweights lookup
var vertToBoneWeight = new Dictionary<uint, List<VertexWeight>>();
// create bounding box extents
_min = new Vector3(float.MaxValue);
_max = new Vector3(float.MinValue);
foreach (var mesh in model.Meshes) {
ExtractBoneWeightsFromMesh(mesh, vertToBoneWeight);
var subset = new MeshGeometry.Subset {
VertexCount = mesh.VertexCount,
VertexStart = _vertices.Count,
FaceStart = _indices.Count / 3,
FaceCount = mesh.FaceCount
};
_subsets.Add(subset);
var verts = ExtractVertices(mesh, vertToBoneWeight, flipTexY);
_vertices.AddRange(verts);
// extract indices and shift them to the proper offset into the combined vertex buffer
var indices = mesh.GetIndices().Select(i => (short)(i + (uint)subset.VertexStart)).ToList();
_indices.AddRange(indices);
// extract materials
var mat = model.Materials[mesh.MaterialIndex];
var material = mat.ToMaterial();
Materials.Add(material);
// extract material textures
var diffusePath = mat.GetTexture(TextureType.Diffuse, 0).FilePath;
if (!string.IsNullOrEmpty(diffusePath)) {
DiffuseMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, diffusePath)));
}
var normalPath = mat.GetTexture(TextureType.Normals, 0).FilePath;
if (!string.IsNullOrEmpty(normalPath)) {
NormalMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, normalPath)));
} else {
// for models created without a normal map baked, we'll check for a texture with the same
// filename as the diffure texture, and _nmap suffixed
// this lets us add our own normal maps easily
var normalExt = Path.GetExtension(diffusePath);
normalPath = Path.GetFileNameWithoutExtension(diffusePath) + "_nmap" + normalExt;
if (File.Exists(Path.Combine(texturePath, normalPath))) {
NormalMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, normalPath)));
}
}
}
BoundingBox = new BoundingBox(_min, _max);
_modelMesh = new MeshGeometry();
_modelMesh.SetSubsetTable(_subsets);
_modelMesh.SetVertices(device, _vertices);
_modelMesh.SetIndices(device, _indices);
}
