protected override void InitFromMeshData(Device device, GeometryGenerator.MeshData mesh)
{
var subset = new MeshGeometry.Subset {
FaceCount = mesh.Indices.Count / 3,
FaceStart = 0,
VertexCount = mesh.Vertices.Count,
VertexStart = 0
};
Subsets.Add(subset);
var max = new Vector3(float.MinValue);
var min = new Vector3(float.MaxValue);
foreach (var vertex in mesh.Vertices)
{
max = Vector3.Maximize(max, vertex.Position);
min = Vector3.Minimize(min, vertex.Position);
}
BoundingBox = new BoundingBox(min, max);
Vertices.AddRange(mesh.Vertices.Select(v => new PosNormalTexTan(v.Position, v.Normal, v.TexC, v.TangentU)).ToList());
Indices.AddRange(mesh.Indices.Select(i => (short)i));
Materials.Add(new Material {
Ambient = Color.Gray, Diffuse = Color.White, Specular = new Color4(16, 1, 1, 1)
});
DiffuseMapSRV.Add(null);
NormalMapSRV.Add(null);
ModelMesh.SetSubsetTable(Subsets);
ModelMesh.SetVertices(device, Vertices);
ModelMesh.SetIndices(device, Indices);
}
public BasicModel(Device device, TextureManager texMgr, string filename, string texturePath, bool flipUV = false)
{
var importer = new AssimpImporter();
if (!importer.IsImportFormatSupported(Path.GetExtension(filename)))
{
throw new ArgumentException("Model format " + Path.GetExtension(filename) + " is not supported! Cannot load {1}", "filename");
}
#if DEBUG
importer.AttachLogStream(new ConsoleLogStream());
importer.VerboseLoggingEnabled = true;
#endif
var postProcessFlags = PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.CalculateTangentSpace;
if (flipUV)
{
postProcessFlags |= PostProcessSteps.FlipUVs;
}
var model = importer.ImportFile(filename, postProcessFlags);
var min = new Vector3(float.MaxValue);
var max = new Vector3(float.MinValue);
foreach (var mesh in model.Meshes)
{
var verts = new List <PosNormalTexTan>();
var subset = new MeshGeometry.Subset {
VertexCount = mesh.VertexCount,
VertexStart = Vertices.Count,
FaceStart = Indices.Count / 3,
FaceCount = mesh.FaceCount
};
Subsets.Add(subset);
// bounding box corners
for (var i = 0; i < mesh.VertexCount; i++)
{
var pos = mesh.HasVertices ? mesh.Vertices[i].ToVector3() : new Vector3();
min = Vector3.Minimize(min, pos);
max = Vector3.Maximize(max, pos);
var norm = mesh.HasNormals ? mesh.Normals[i] : new Vector3D();
var texC = mesh.HasTextureCoords(0) ? mesh.GetTextureCoords(0)[i] : new Vector3D();
var tan = mesh.HasTangentBasis ? mesh.Tangents[i] : new Vector3D();
var v = new PosNormalTexTan(pos, norm.ToVector3(), texC.ToVector2(), tan.ToVector3());
verts.Add(v);
}
Vertices.AddRange(verts);
var indices = mesh.GetIndices().Select(i => (short)(i + (uint)subset.VertexStart)).ToList();
Indices.AddRange(indices);
var mat = model.Materials[mesh.MaterialIndex];
var material = mat.ToMaterial();
Materials.Add(material);
var diffusePath = mat.GetTexture(TextureType.Diffuse, 0).FilePath;
if (Path.GetExtension(diffusePath) == ".tga")
{
// DirectX doesn't like to load tgas, so you will need to convert them to pngs yourself with an image editor
diffusePath = diffusePath.Replace(".tga", ".png");
}
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
{
var normalExt = Path.GetExtension(diffusePath);
normalPath = Path.GetFileNameWithoutExtension(diffusePath) + "_nmap" + normalExt;
NormalMapSRV.Add(texMgr.CreateTexture(Path.Combine(texturePath, normalPath)));
}
}
BoundingBox = new BoundingBox(min, max);
ModelMesh.SetSubsetTable(Subsets);
ModelMesh.SetVertices(device, Vertices);
ModelMesh.SetIndices(device, Indices);
}
private BasicModel(Device device, TextureManager11 textureManager, string filename, string texturePath, bool autoLoadTextures, bool flipUv, bool tex1By1)
{
var importer = new AssimpContext();
if (!importer.IsImportFormatSupported(Path.GetExtension(filename)))
{
throw new ArgumentException($"Model format {Path.GetExtension(filename)} is not supported. Cannot load {filename}.", nameof(filename));
}
#if DEBUG
var logStream = new ConsoleLogStream();
logStream.Attach();
#endif
var postProcessFlags = PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.CalculateTangentSpace;
if (flipUv)
{
postProcessFlags |= PostProcessSteps.FlipUVs;
}
var model = importer.ImportFile(filename, postProcessFlags);
var min = new Vector3(float.MaxValue);
var max = new Vector3(float.MinValue);
_meshCount = model.Meshes.Count;
foreach (var mesh in model.Meshes)
{
var verts = new List <VertPosNormTexTan>();
var subset = new MeshSubset()
{
VertexCount = mesh.VertexCount,
VertexStart = Vertices.Count,
FaceStart = Indices.Count / 3,
FaceCount = mesh.FaceCount
};
Subsets.Add(subset);
// bounding box corners
for (var i = 0; i < mesh.VertexCount; i++)
{
var pos = mesh.HasVertices ? mesh.Vertices[i].ToVector3() : new Vector3();
min = MathF.Minimize(min, pos);
max = MathF.Maximize(max, pos);
var norm = mesh.HasNormals ? mesh.Normals[i] : new Vector3D();
var texC = mesh.HasTextureCoords(0) ? mesh.TextureCoordinateChannels[0][i] : (tex1By1 ? new Vector3D(1, 1, 0) : new Vector3D());
var tan = mesh.HasTangentBasis ? mesh.Tangents[i] : new Vector3D();
var v = new VertPosNormTexTan(pos, norm.ToVector3(), texC.ToVector2(), tan.ToVector3());
verts.Add(v);
}
Vertices.AddRange(verts);
var indices = mesh.GetIndices().Select(i => i + subset.VertexStart).ToList();
Indices.AddRange(indices);
var mat = model.Materials[mesh.MaterialIndex];
var material = mat.ToMaterial();
Materials.Add(material);
if (autoLoadTextures)
{
TextureSlot diffuseSlot;
mat.GetMaterialTexture(TextureType.Diffuse, 0, out diffuseSlot);
var diffusePath = diffuseSlot.FilePath;
if (Path.GetExtension(diffusePath) == ".tga")
{
// DirectX doesn't like to load tgas, so you will need to convert them to pngs yourself with an image editor
diffusePath = diffusePath.Replace(".tga", ".png");
}
var fullDiffusePath = diffusePath == null ? null : Path.Combine(texturePath, diffusePath);
if (File.Exists(fullDiffusePath))
{
DiffuseMapSRV.Add(textureManager.CreateTexture(fullDiffusePath));
}
else
{
DiffuseMapSRV.Add(textureManager.CreateColor1By1(material.Diffuse.ToColor()));
}
TextureSlot normalSlot;
mat.GetMaterialTexture(TextureType.Normals, 0, out normalSlot);
var normalPath = normalSlot.FilePath;
var fullNormalPath = normalPath == null ? null : Path.Combine(texturePath, normalPath);
string textureName;
if (File.Exists(fullNormalPath))
{
textureName = fullNormalPath;
}
else
{
if (File.Exists(fullDiffusePath))
{
var normalExt = Path.GetExtension(fullDiffusePath);
normalPath = Path.GetFileNameWithoutExtension(diffusePath) + "_nmap" + normalExt;
fullNormalPath = Path.Combine(texturePath, normalPath);
if (File.Exists(fullNormalPath))
{
textureName = fullNormalPath;
}
else
{
textureName = TextureManager11.TexDefaultNorm;
}
}
else
{
textureName = TextureManager11.TexDefaultNorm;
}
}
NormalMapSRV.Add(textureManager.CreateTexture(textureName));
}
}
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)
{
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);
}