public static void AttachToCurrentTest <TvG, TvM, TvS>(this Geometry.MeshBuilder <TvG, TvM, TvS> mesh, string fileName)
where TvG : struct, Geometry.VertexTypes.IVertexGeometry
where TvM : struct, Geometry.VertexTypes.IVertexMaterial
where TvS : struct, Geometry.VertexTypes.IVertexSkinning
{
var gl2model = ModelRoot.CreateModel();
var gl2mesh = gl2model.CreateMeshes(mesh).First();
var node = gl2model.UseScene(0).CreateNode();
node.Mesh = gl2mesh;
gl2model.AttachToCurrentTest(fileName);
}
public void CreateTextureTriangleScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLink();
// we'll use our icon as the source texture
var imagePath = System.IO.Path.Combine(TestContext.CurrentContext.WorkDirectory, "..\\..\\..\\..\\..\\build\\Icons\\glTF2Sharp.png");
// create a basic scene
var model = ModelRoot.CreateModel();
var scene = model.UseScene("Default");
var rnode = scene.CreateNode("Triangle Node");
var rmesh = rnode.Mesh = model.CreateMesh("Triangle Mesh");
var material = model.CreateMaterial("Default")
.WithPBRMetallicRoughness(Vector4.One, imagePath)
.WithDoubleSide(true);
// define the triangle positions
var positions = new[]
{
new Vector3(0, 10, 0),
new Vector3(-10, -10, 0),
new Vector3(10, -10, 0)
};
// define the triangle UV coordinates
var texCoords = new[]
{
new Vector2(0.5f, -0.8f),
new Vector2(-0.5f, 1.2f),
new Vector2(1.5f, 1.2f)
};
// create a mesh primitive and assgin the accessors and other properties
var primitive = rmesh.CreatePrimitive()
.WithVertexAccessor("POSITION", positions)
.WithVertexAccessor("TEXCOORD_0", texCoords)
.WithIndicesAutomatic(PrimitiveType.TRIANGLES)
.WithMaterial(material);
model.AttachToCurrentTest("result.glb");
model.AttachToCurrentTest("result.obj");
model.AttachToCurrentTest("result.gltf");
material.FindChannel("BaseColor").SetTransform(0, Vector2.Zero, Vector2.One, 1.5f);
model.AttachToCurrentTest("result_withTransform.glb");
}
public void CreateSceneWithAnimatedVisibility()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create a mesh
var cube = new MeshBuilder <VPOSNRM>("cube");
cube.VertexPreprocessor.SetDebugPreprocessors();
cube.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
cube.Validate();
// create a new gltf model
var model = ModelRoot.CreateModel();
// add all meshes (just one in this case) to the model
model.CreateMeshes(cube);
var flatx = new Vector3(0, 1, 1);
var flaty = new Vector3(1, 0, 1);
var flatz = new Vector3(1, 1, 0);
// create a scene, a node, and assign the first mesh (the terrain)
model.UseScene("Default")
.CreateNode()
.WithMesh(model.LogicalMeshes[0])
.WithScaleAnimation("SimulatedVisibility"
, (0, Vector3.One)
, (1 - 0.0001f, Vector3.One)
, (1, Vector3.Zero)
, (2 - 0.0001f, Vector3.Zero)
, (2, Vector3.One)
, (3, Vector3.One)
, (4, -Vector3.One)
, (5, -Vector3.One)
, (6, Vector3.One)
, (7, flatx)
, (8, flatx)
, (9, flaty)
, (10, flaty)
, (11, flatz)
, (12, flatz)
, (13, Vector3.One)
);
// save the model as GLB
model.AttachToCurrentTest("animatedvisibility.glb");
}
/// <summary>
/// Converts this <see cref="SceneBuilder"/> instance into a <see cref="ModelRoot"/> instance.
/// </summary>
/// <param name="useStridedBuffers">True to generate strided vertex buffers whenever possible.</param>
/// <returns>A new <see cref="ModelRoot"/> instance.</returns>
public ModelRoot ToSchema2(bool useStridedBuffers = true)
{
var context = new Schema2SceneBuilder();
var dstModel = ModelRoot.CreateModel();
context.AddGeometryResources(dstModel, new[] { this }, useStridedBuffers);
var dstScene = dstModel.UseScene(0);
dstScene.Name = this.Name;
context.AddScene(dstScene, this);
return(dstModel);
}
public bool Start()
{
Debug.Print("Start");
_material = new MaterialBuilder()
.WithDoubleSide(true)
.WithMetallicRoughnessShader()
.WithChannelParam("BaseColor", new Vector4(0.5f, 0.5f, 0.5f, 1));
_material.UseChannel("MetallicRoughness");
_materials.Add("Default", _material);
_model = ModelRoot.CreateModel();
_scene = _model.UseScene("Default");
return(true);
}
/// <summary>
/// Export a Valve VMESH to Gltf.
/// </summary>
/// <param name="resourceName">The name of the resource being exported.</param>
/// <param name="fileName">Target file name.</param>
/// <param name="mesh">The mesh resource to export.</param>
public void ExportToFile(string resourceName, string fileName, VMesh mesh)
{
var exportedModel = ModelRoot.CreateModel();
exportedModel.Asset.Generator = GENERATOR;
var name = Path.GetFileName(resourceName);
var scene = exportedModel.UseScene(name);
var exportedMesh = CreateGltfMesh(name, mesh, exportedModel, false);
var meshNode = scene.CreateNode(name)
.WithMesh(exportedMesh);
// Swap Rotate upright, scale inches to meters.
meshNode.WorldMatrix = TRANSFORMSOURCETOGLTF;
exportedModel.Save(fileName);
}
public static ModelRoot ToGLTF(this Papa papa)
{
ModelRoot root = ModelRoot.CreateModel();
Scene scene = root.UseScene("default");
Node rootNode = scene
.CreateNode()
.WithLocalRotation(Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), (float)(-90 * (Math.PI / 180))));
foreach (PapaModel papaModel in papa.Models)
{
Node modelNode = rootNode
.CreateNode();
// Skinned model
if (papaModel.Skeleton != null)
{
List <(Node, Matrix4x4)> skeleton = CreateSkeleton(modelNode, papaModel.Skeleton);
foreach (PapaMeshBinding meshBinding in papaModel.MeshBindings)
{
modelNode
.CreateNode(papaModel.Name)
.WithSkinnedMesh(root.CreateMesh(BuildSkinnedMesh(meshBinding)), skeleton.ToArray());
}
if (papa.Animations.Count != 0)
{
CreateAnimations(root, skeleton, papa.Animations);
}
}
else
{
foreach (PapaMeshBinding meshBinding in papaModel.MeshBindings)
{
var meshBuilder = BuildMesh(meshBinding);
modelNode
.CreateNode(meshBinding.Name)
.WithMesh(root.CreateMesh(meshBuilder));
}
}
}
return(root);
}
public void CreateSceneWithTerrain()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// texture path
var imagePath = System.IO.Path.Combine(TestContext.CurrentContext.WorkDirectory, "Assets", "Texture1.jpg");
// fancy height function; can be easily replaced with a bitmap sampler.
float heightFunction(int xx, int yy)
{
float x = xx;
float y = yy;
double h = 0;
h += Math.Sin(x / 45);
h += Math.Sin(3 + x / 13) * 0.5f;
h += Math.Sin(2 + y / 31);
h += Math.Sin(y / 13) * 0.5f;
h += Math.Sin((x + y * 2) / 19);
h *= 5;
return((float)h);
}
var terrain = SolidMeshUtils.CreateTerrainMesh(128, 128, heightFunction, imagePath);
// create a new gltf model
var model = ModelRoot.CreateModel();
// add all meshes (just one in this case) to the model
model.CreateMeshes(terrain);
// create a scene, a node, and assign the first mesh (the terrain)
model.UseScene("Default")
.CreateNode().WithMesh(model.LogicalMeshes[0]);
// save the model as GLB
model.AttachToCurrentTest("terrain.glb");
model.AttachToCurrentTest("result.plotly");
}
/// <summary>
/// Converts this <see cref="SceneBuilder"/> instance into a <see cref="ModelRoot"/> instance.
/// </summary>
/// <param name="useStridedBuffers">True to generate strided vertex buffers whenever possible.</param>
/// <returns>A new <see cref="ModelRoot"/> instance.</returns>
public ModelRoot ToGltf2(SceneBuilderSchema2Settings settings)
{
var context = new Schema2SceneBuilder();
var dstModel = ModelRoot.CreateModel();
context.AddGeometryResources(dstModel, new[] { this }, settings);
var dstScene = dstModel.UseScene(0);
dstScene.Name = this.Name;
context.AddScene(dstScene, this);
dstModel.DefaultScene = dstScene;
return(dstModel);
}
static void Main(string[] args)
{
var material = new MaterialBuilder("material1").WithUnlitShader();
var mesh = VERTEX.CreateCompatibleMesh("points");
// create a point cloud primitive
var pointCloud = mesh.UsePrimitive(material, 1);
var galaxy = new Galaxy();
galaxy.scaleOverPlane = 0.05f;
galaxy.randomJitter = 0.01f;
foreach (var startPoint in galaxy.CreateStarts(50000))
{
pointCloud.AddPoint((startPoint, Vector4.One));
}
galaxy.scaleOverPlane = 0.15f;
galaxy.randomJitter = 0.02f;
foreach (var startPoint in galaxy.CreateStarts(50000))
{
pointCloud.AddPoint((startPoint, new Vector4(0.4f, 0.8f, 0.7f, 1)));
}
galaxy.randomJitter = 0.07f;
foreach (var startPoint in galaxy.CreateStarts(10000))
{
pointCloud.AddPoint((startPoint, new Vector4(0.2f, 0.6f, 0.5f, 1)));
}
// create a new gltf model
var model = ModelRoot.CreateModel();
// add all meshes (just one in this case) to the model
model.CreateMeshes(mesh);
// create a scene, a node, and assign the first mesh (the terrain)
model.UseScene("Default")
.CreateNode().WithMesh(model.LogicalMeshes[0]);
// save the model as GLB
model.SaveGLB("Galaxy.glb");
}
public void CreateSceneWithWithLightsExtension()
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
var root = ModelRoot.CreateModel();
var scene = root.UseScene("Empty Scene");
scene.CreateNode()
.PunctualLight = root.CreatePunctualLight(PunctualLightType.Directional)
.WithColor(Vector3.UnitX, 2);
scene.CreateNode()
.PunctualLight = root.CreatePunctualLight(PunctualLightType.Spot)
.WithColor(Vector3.UnitY, 3, 10)
.WithSpotCone(0.2f, 0.3f);
root.AttachToCurrentTest("sceneWithLight.gltf");
root.AttachToCurrentTest("sceneWithLight.glb");
}
public void CreateSolidTriangleScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLink();
// create model
var model = ModelRoot.CreateModel();
// create scene
var scene = model.DefaultScene = model.UseScene("Default");
// create node
var rnode = scene.CreateNode("Triangle Node");
// create material
var material = model.CreateMaterial("Default")
.WithDefault(new Vector4(0, 1, 0, 1))
.WithDoubleSide(true);
// create mesh
var rmesh = rnode.Mesh = model.CreateMesh("Triangle Mesh");
// create the vertex positions
var positions = new[]
{
new Vector3(0, 10, 0),
new Vector3(-10, -10, 0),
new Vector3(10, -10, 0),
};
// create an index buffer and fill it
var indices = new[] { 0, 1, 2 };
// create mesh primitive
var primitive = rmesh.CreatePrimitive()
.WithVertexAccessor("POSITION", positions)
.WithIndicesAccessor(PrimitiveType.TRIANGLES, indices)
.WithMaterial(material);
model.AttachToCurrentTest("result.glb");
model.AttachToCurrentTest("result.gltf");
}
public void CreateFallbackMaterialScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLink();
var basePath = System.IO.Path.Combine(TestContext.CurrentContext.WorkDirectory, "glTF-Sample-Models", "2.0", "SpecGlossVsMetalRough", "glTF");
// first, create a default material
var material = new Materials.MaterialBuilder("material1 fallback")
.WithMetallicRoughnessShader()
.WithChannelImage(Materials.KnownChannels.Normal, System.IO.Path.Combine(basePath, "WaterBottle_normal.png"))
.WithChannelImage(Materials.KnownChannels.Emissive, System.IO.Path.Combine(basePath, "WaterBottle_emissive.png"))
.WithChannelImage(Materials.KnownChannels.Occlusion, System.IO.Path.Combine(basePath, "WaterBottle_occlusion.png"))
.WithChannelImage(Materials.KnownChannels.BaseColor, System.IO.Path.Combine(basePath, "WaterBottle_baseColor.png"))
.WithChannelImage(Materials.KnownChannels.MetallicRoughness, System.IO.Path.Combine(basePath, "WaterBottle_roughnessMetallic.png"));
// wrap the fallback material with a PBR Specular Glossiness material.
material = new Materials.MaterialBuilder("material1")
.WithFallback(material)
.WithSpecularGlossinessShader()
.WithChannelImage(Materials.KnownChannels.Normal, System.IO.Path.Combine(basePath, "WaterBottle_normal.png"))
.WithChannelImage(Materials.KnownChannels.Emissive, System.IO.Path.Combine(basePath, "WaterBottle_emissive.png"))
.WithChannelImage(Materials.KnownChannels.Occlusion, System.IO.Path.Combine(basePath, "WaterBottle_occlusion.png"))
.WithChannelImage(Materials.KnownChannels.Diffuse, System.IO.Path.Combine(basePath, "WaterBottle_diffuse.png"))
.WithChannelImage(Materials.KnownChannels.SpecularGlossiness, System.IO.Path.Combine(basePath, "WaterBottle_specularGlossiness.png"));
var mesh = new Geometry.MeshBuilder <VPOS, VTEX>("mesh1");
mesh.UsePrimitive(material).AddPolygon
((new Vector3(-10, 10, 0), new Vector2(1, 0))
, (new Vector3(10, 10, 0), new Vector2(0, 0))
, (new Vector3(10, -10, 0), new Vector2(0, 1))
, (new Vector3(-10, -10, 0), new Vector2(1, 1))
);
var model = ModelRoot.CreateModel();
var scene = model.UseScene("Default");
var rnode = scene.CreateNode("RootNode").WithMesh(model.CreateMesh(mesh));
model.AttachToCurrentTest("result.glb");
model.AttachToCurrentTest("result.gltf");
}
public void CreateSceneWithRandomCubes()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var rnd = new Random();
var materials = Enumerable
.Range(0, 10)
.Select(idx => MaterialBuilder.CreateDefault()
.WithChannelParam("BaseColor", new Vector4(rnd.NextVector3(), 1)))
.ToList();
// create a mesh
var cubes = new MeshBuilder <VPOSNRM>("cube");
cubes.VertexPreprocessor.SetDebugPreprocessors();
for (int i = 0; i < 100; ++i)
{
var r = rnd.NextVector3() * 5;
var m = materials[rnd.Next(0, 10)];
var xform = Matrix4x4.CreateFromYawPitchRoll(r.X, r.Y, r.Z) * Matrix4x4.CreateTranslation(rnd.NextVector3() * 25);
cubes.AddCube(m, xform);
}
cubes.Validate();
// create a new gltf model
var model = ModelRoot.CreateModel();
// add all meshes (just one in this case) to the model
model.CreateMeshes(cubes);
// create a scene, a node, and assign the first mesh (the terrain)
model.UseScene("Default")
.CreateNode().WithMesh(model.LogicalMeshes[0]);
// save the model as GLB
model.AttachToCurrentTest("cubes.glb");
}
/// <summary>
/// Convertes a collection of <see cref="SceneBuilder"/> instances to a single <see cref="ModelRoot"/> instance.
/// </summary>
/// <param name="srcScenes">A collection of scenes</param>
/// <param name="useStridedBuffers">True to generate strided vertex buffers whenever possible.</param>
/// <returns>A new <see cref="ModelRoot"/> instance.</returns>
public static ModelRoot ToSchema2(IEnumerable <SceneBuilder> srcScenes, SceneBuilderSchema2Settings settings)
{
Guard.NotNull(srcScenes, nameof(srcScenes));
var context = new Schema2SceneBuilder();
var dstModel = ModelRoot.CreateModel();
context.AddGeometryResources(dstModel, srcScenes, settings);
foreach (var srcScene in srcScenes)
{
var dstScene = dstModel.UseScene(dstModel.LogicalScenes.Count);
dstScene.Name = srcScene.Name;
context.AddScene(dstScene, srcScene);
}
return(dstModel);
}
public void CreateSceneWithExtras()
{
var root = ModelRoot.CreateModel();
var scene = root.UseScene("Empty Scene");
/*
*
* root.Extras["author"] = "me";
*
* root.Extras["value1"] = 17;
* root.Extras["array1"] = new Single[] { 1, 2, 3 };
* root.Extras["dict1"] = new Dictionary<String, Object>
* {
* ["A"] = 16,
* ["B"] = "delta",
* ["C"] = new Single[] { 4, 6, 7 },
* ["D"] = new Dictionary<String, Object> { ["S"]= 1, ["T"] = 2 }
* };
*
* var json = root.GetJSON(Newtonsoft.Json.Formatting.Indented);
* var bytes = root.WriteGLB();
*
* var rootBis = ModelRoot.ParseGLB(bytes);
*
* CollectionAssert.AreEqual(root.Extras, rootBis.Extras);
*
* Assert.AreEqual(root.Extras["author"], rootBis.Extras["author"]);
* Assert.AreEqual(root.Extras["value1"], rootBis.Extras["value1"]);
* CollectionAssert.AreEqual
* (
* root.Extras["array1"] as Array,
* rootBis.Extras["array1"] as Array
* );
*
* CollectionAssert.AreEqual
* (
* root.Extras["dict1"] as Dictionary<string, Object>,
* rootBis.Extras["dict1"] as Dictionary<string, Object>
* );*/
}
public void CreateSceneWithTextureImageExtension(string textureFileName)
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var basePath = System.IO.Path.Combine(TestContext.CurrentContext.WorkDirectory, "Assets");
// first, create a default material
var material = new Materials.MaterialBuilder("material1")
.WithDoubleSide(true)
.WithMetallicRoughnessShader()
.WithChannelImage
(
Materials.KnownChannel.BaseColor,
System.IO.Path.Combine(basePath, textureFileName)
);
var mesh = new Geometry.MeshBuilder <VPOS, VTEX>("mesh1");
mesh
.UsePrimitive(material)
.AddQuadrangle
((new Vector3(-10, 10, 0), new Vector2(1, 0))
, (new Vector3(10, 10, 0), new Vector2(0, 0))
, (new Vector3(10, -10, 0), new Vector2(0, 1))
, (new Vector3(-10, -10, 0), new Vector2(1, 1))
);
var model = ModelRoot.CreateModel();
model.CreateMeshes(mesh);
model.UseScene("Default")
.CreateNode("RootNode")
.WithMesh(model.LogicalMeshes[0]);
model.AttachToCurrentTest("result_wf.obj");
model.AttachToCurrentTest("result_glb.glb");
model.AttachToCurrentTest("result_gltf.gltf");
}
public static ModelRoot ToGLTF(this MapGeometry mgeo)
{
ModelRoot root = ModelRoot.CreateModel();
Scene scene = root.UseScene("Map");
Node rootNode = scene.CreateNode("Map");
// Find all layer combinations used in the Map
// so we can group the meshes
var layerModelMap = new Dictionary <MapGeometryLayer, List <MapGeometryModel> >();
foreach (MapGeometryModel model in mgeo.Models)
{
if (!layerModelMap.ContainsKey(model.Layer))
{
layerModelMap.Add(model.Layer, new List <MapGeometryModel>());
}
layerModelMap[model.Layer].Add(model);
}
// Create node for each layer combination
var layerNodeMap = new Dictionary <MapGeometryLayer, Node>();
foreach (var layerModelPair in layerModelMap)
{
layerNodeMap.Add(layerModelPair.Key, rootNode.CreateNode(DeriveLayerCombinationName(layerModelPair.Key)));
}
foreach (MapGeometryModel model in mgeo.Models)
{
IMeshBuilder <MaterialBuilder> meshBuilder = BuildMapGeometryMeshStatic(model);
layerNodeMap[model.Layer]
.CreateNode()
.WithMesh(root.CreateMesh(meshBuilder))
.WithLocalTransform(new AffineTransform(model.Transformation));
}
return(root);
}
/// <summary>
/// Converts a collection of <see cref="SceneBuilder"/> instances to a single <see cref="ModelRoot"/> instance.
/// </summary>
/// <param name="srcScenes">A collection of scenes</param>
/// <param name="settings">Conversion settings.</param>
/// <returns>A new <see cref="ModelRoot"/> instance.</returns>
public static ModelRoot ToGltf2(IEnumerable <SceneBuilder> srcScenes, SceneBuilderSchema2Settings settings)
{
Guard.NotNull(srcScenes, nameof(srcScenes));
var context = new Schema2SceneBuilder();
var dstModel = ModelRoot.CreateModel();
context.AddGeometryResources(dstModel, srcScenes, settings);
foreach (var srcScene in srcScenes)
{
var dstScene = dstModel.UseScene(dstModel.LogicalScenes.Count);
srcScene.TryCopyNameAndExtrasTo(dstScene);
context.AddScene(dstScene, srcScene);
}
dstModel.DefaultScene = dstModel.LogicalScenes[0];
return(dstModel);
}
// Skinning use cases and examples: https://github.com/KhronosGroup/glTF/issues/1403
// hierarchy created:
// Mesh1
// Skin1─> Armature1
// Skin2─> Armature2
// Skin3─> Armature3
// Scene
// ├── Armature1
// │ ├── Bone1
// │ ├── Bone2
// │ └── Bone3
// ├── SkinnedMesh1─> Mesh1, Skin1
// ├── Armature2
// │ ├── Bone1
// │ ├── Bone2
// │ └── Bone3
// ├── SkinnedMesh2─> Mesh1, Skin2
// ├── Armature3
// │ ├── Bone1
// │ ├── Bone2
// │ └── Bone3
// └── SkinnedMesh3─> Mesh1, Skin3
// ...
static void Main(string[] args)
{
var model = ModelRoot.CreateModel();
var scene = model.UseScene("default");
var mesh = model
.CreateMeshes(CreateMesh(10))
.First();
RecusiveTentacle(scene, scene, Matrix4x4.CreateTranslation(+25, 0, +25), mesh, Quaternion.CreateFromYawPitchRoll(0f, 0.2f, 0f), 2);
RecusiveTentacle(scene, scene, Matrix4x4.CreateTranslation(-25, 0, +25), mesh, Quaternion.CreateFromYawPitchRoll(0.2f, 0f, 0f), 2);
RecusiveTentacle(scene, scene, Matrix4x4.CreateTranslation(-25, 0, -25), mesh, Quaternion.CreateFromYawPitchRoll(0f, 0f, 0.2f), 2);
RecusiveTentacle(scene, scene, Matrix4x4.CreateTranslation(+25, 0, -25), mesh, Quaternion.CreateFromYawPitchRoll(0.2f, 0f, 0f), 2);
model.SaveGLB("recursive tentacles.glb");
model.SaveGLTF("recursive tentacles.gltf");
model.SaveAsWavefront("recursive_tentacles_at_000.obj", model.LogicalAnimations[0], 0);
model.SaveAsWavefront("recursive_tentacles_at_025.obj", model.LogicalAnimations[0], 0.25f);
model.SaveAsWavefront("recursive_tentacles_at_050.obj", model.LogicalAnimations[0], 0.50f);
model.SaveAsWavefront("recursive_tentacles_at_075.obj", model.LogicalAnimations[0], 0.75f);
model.SaveAsWavefront("recursive_tentacles_at_100.obj", model.LogicalAnimations[0], 1);
}
public void CreateSceneWithAnimatedMeshBuilder()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create animation sequence with 4 frames
var keyframes = new Dictionary <Single, Vector3>()
{
[1] = new Vector3(0, 0, 0),
[2] = new Vector3(50, 0, 0),
[3] = new Vector3(0, 50, 0),
[4] = new Vector3(0, 0, 0),
};
// create a material
var material1 = new MaterialBuilder("material1").WithChannelParam(KnownChannel.BaseColor, Vector4.One);
// create a mesh
var meshBuilder = new MeshBuilder <VPOSNRM>("mesh1");
meshBuilder.VertexPreprocessor.SetDebugPreprocessors();
meshBuilder.AddCube(material1, Matrix4x4.Identity);
meshBuilder.Validate();
// create the gltf model
var model = ModelRoot.CreateModel();
model.UseScene("Default")
.CreateNode("RootNode")
.WithTranslationAnimation("track1", keyframes)
.WithMesh(model.CreateMesh(meshBuilder));
model.AttachToCurrentTest("result.glb");
model.AttachToCurrentTest("result.gltf");
}
public static ModelRoot ToGltf(this StaticObject staticObject)
{
ModelRoot root = ModelRoot.CreateModel();
Scene scene = root.UseScene("default");
var mesh = VERTEX.CreateCompatibleMesh();
foreach (StaticObjectSubmesh submesh in staticObject.Submeshes)
{
MaterialBuilder material = new MaterialBuilder(submesh.Name);
var primitive = mesh.UsePrimitive(material);
List <VERTEX> vertices = new List <VERTEX>();
foreach (StaticObjectVertex vertex in submesh.Vertices)
{
vertices.Add(new VERTEX()
.WithGeometry(vertex.Position)
.WithMaterial(vertex.UV));
}
for (int i = 0; i < submesh.Indices.Count; i += 3)
{
VERTEX v1 = vertices[(int)submesh.Indices[i + 0]];
VERTEX v2 = vertices[(int)submesh.Indices[i + 1]];
VERTEX v3 = vertices[(int)submesh.Indices[i + 2]];
primitive.AddTriangle(v1, v2, v3);
}
}
scene
.CreateNode()
.WithMesh(root.CreateMesh(mesh));
return(root);
}
public bool ExportAnim(Stream animStream, List <Archive> archives, FileInfo outfile, bool isGLBinary = true)
{
var cr2w = _wolvenkitFileService.TryReadRED4File(animStream);
if (!cr2w.Chunks.Select(_ => _.Data).OfType <animAnimSet>().Any())
{
return(false);
}
var blob = cr2w.Chunks.Select(_ => _.Data).OfType <animAnimSet>().First();
List <MemoryStream> animDataBuffers = new List <MemoryStream>();
foreach (var chk in blob.AnimationDataChunks)
{
UInt16 bufferIdx = chk.Buffer.Buffer.Value;
var b = cr2w.Buffers[bufferIdx - 1];
animStream.Seek(b.Offset, SeekOrigin.Begin);
var ms = new MemoryStream();
animStream.DecompressAndCopySegment(ms, b.DiskSize, b.MemSize);
animDataBuffers.Add(ms);
}
RawArmature Rig = null;
{
ulong hash = FNV1A64HashAlgorithm.HashString(blob.Rig.DepotPath);
foreach (Archive ar in archives)
{
if (ar.Files.ContainsKey(hash))
{
var ms = new MemoryStream();
ModTools.ExtractSingleToStream(ar, hash, ms);
Rig = new RIG(_wolvenkitFileService).ProcessRig(ms);
break;
}
}
}
if (Rig.BoneCount < 1)
{
return(false);
}
var model = ModelRoot.CreateModel();
var skin = model.CreateSkin();
skin.BindJoints(RIG.ExportNodes(ref model, Rig).Values.ToArray());
for (int i = 0; i < blob.Animations.Count; i++)
{
var setEntry = (blob.Animations[i].GetReference().Data as animAnimSetEntry);
var animAnimDes = (setEntry.Animation.GetReference().Data as animAnimation);
if (animAnimDes.AnimationType.Value != Enums.animAnimationType.Normal)
{
continue;
}
switch (animAnimDes.AnimBuffer.GetReference().REDType)
{
case "animAnimationBufferSimd":
{
var animBuff = (animAnimDes.AnimBuffer.GetReference().Data as animAnimationBufferSimd);
var bufferIdx = animBuff.DefferedBuffer.Buffer.Value;
var b = cr2w.Buffers[bufferIdx - 1];
animStream.Seek(b.Offset, SeekOrigin.Begin);
var defferedBuffer = new MemoryStream();
animStream.DecompressAndCopySegment(defferedBuffer, b.DiskSize, b.MemSize);
SIMD.AddAnimationSIMD(ref model, animBuff, animAnimDes.Name.Value, defferedBuffer);
}
break;
case "animAnimationBufferCompressed":
{
var animBuff = (animAnimDes.AnimBuffer.GetReference().Data as animAnimationBufferCompressed);
var dataAddr = animBuff.DataAddress;
Byte[] bytes = new Byte[dataAddr.ZeInBytes.Value];
animDataBuffers[(int)dataAddr.UnkIndex.Value].Seek(dataAddr.FsetInBytes.Value, SeekOrigin.Begin);
animDataBuffers[(int)dataAddr.UnkIndex.Value].Read(bytes, 0, (int)dataAddr.ZeInBytes.Value);
var defferedBuffer = new MemoryStream(bytes);
SPLINE.AddAnimationSpline(ref model, animBuff, animAnimDes.Name.Value, defferedBuffer);
}
break;
default:
break;
}
}
if (isGLBinary)
{
model.SaveGLB(outfile.FullName);
}
else
{
model.SaveGLTF(outfile.FullName);
}
return(true);
}
/// <summary>
/// Export a Valve VMDL to GLTF.
/// </summary>
/// <param name="resourceName">The name of the resource being exported.</param>
/// <param name="fileName">Target file name.</param>
/// <param name="model">The model resource to export.</param>
public void ExportToFile(string resourceName, string fileName, VModel model)
{
if (FileLoader == null)
{
throw new InvalidOperationException(nameof(FileLoader) + " must be set first.");
}
var exportedModel = ModelRoot.CreateModel();
exportedModel.Asset.Generator = GENERATOR;
var scene = exportedModel.UseScene(Path.GetFileName(resourceName));
void AddMeshNode(string name, VMesh mesh, Skeleton skeleton)
{
if (mesh.GetData().GetArray("m_sceneObjects").Length == 0)
{
return;
}
var hasJoints = skeleton.AnimationTextureSize > 0;
var exportedMesh = CreateGltfMesh(name, mesh, exportedModel, hasJoints);
var hasVertexJoints = exportedMesh.Primitives.All(primitive => primitive.GetVertexAccessor("JOINTS_0") != null);
if (hasJoints && hasVertexJoints)
{
var skeletonNode = scene.CreateNode(name);
var joints = CreateGltfSkeleton(skeleton, skeletonNode);
scene.CreateNode(name)
.WithSkinnedMesh(exportedMesh, Matrix4x4.Identity, joints);
// Rotate upright, scale inches to meters.
skeletonNode.WorldMatrix = TRANSFORMSOURCETOGLTF;
// Add animations
var animations = GetAllAnimations(model);
foreach (var animation in animations)
{
var exportedAnimation = exportedModel.CreateAnimation(animation.Name);
var rotationDict = new Dictionary <string, Dictionary <float, Quaternion> >();
var translationDict = new Dictionary <string, Dictionary <float, Vector3> >();
var time = 0f;
foreach (var frame in animation.Frames)
{
foreach (var boneFrame in frame.Bones)
{
var bone = boneFrame.Key;
if (!rotationDict.ContainsKey(bone))
{
rotationDict[bone] = new Dictionary <float, Quaternion>();
translationDict[bone] = new Dictionary <float, Vector3>();
}
rotationDict[bone].Add(time, boneFrame.Value.Angle);
translationDict[bone].Add(time, boneFrame.Value.Position);
}
time += 1 / animation.Fps;
}
foreach (var bone in rotationDict.Keys)
{
var node = joints.FirstOrDefault(n => n.Name == bone);
if (node != null)
{
exportedAnimation.CreateRotationChannel(node, rotationDict[bone], true);
exportedAnimation.CreateTranslationChannel(node, translationDict[bone], true);
}
}
}
}
else
{
var meshNode = scene.CreateNode(name)
.WithMesh(exportedMesh);
// Rotate upright, scale inches to meters.
meshNode.WorldMatrix = TRANSFORMSOURCETOGLTF;
}
}
// Add meshes and their skeletons
var meshes = LoadModelMeshes(model);
for (var i = 0; i < meshes.Length; i++)
{
AddMeshNode(meshes[i].Name, meshes[i].Mesh, model.GetSkeleton(i));
}
exportedModel.Save(fileName);
}
private static ModelRoot RawTargetsToGLTF(List <RawMeshContainer> meshes, List <RawTargetContainer[]> expTargets, string[] names, RawArmature rig)
{
var model = ModelRoot.CreateModel();
var mat = model.CreateMaterial("Default");
mat.WithPBRMetallicRoughness().WithDefault();
mat.DoubleSided = true;
var skins = new List <Skin>();
if (rig != null)
{
var skin = model.CreateSkin();
skin.BindJoints(RIG.ExportNodes(ref model, rig).Values.ToArray());
skins.Add(skin);
}
var ms = new MemoryStream();
var bw = new BinaryWriter(ms);
var mIndex = -1;
foreach (var mesh in meshes)
{
++mIndex;
for (var i = 0; i < mesh.positions.Length; i++)
{
bw.Write(mesh.positions[i].X);
bw.Write(mesh.positions[i].Y);
bw.Write(mesh.positions[i].Z);
}
for (var i = 0; i < mesh.normals.Length; i++)
{
bw.Write(mesh.normals[i].X);
bw.Write(mesh.normals[i].Y);
bw.Write(mesh.normals[i].Z);
}
for (var i = 0; i < mesh.tangents.Length; i++)
{
bw.Write(mesh.tangents[i].X);
bw.Write(mesh.tangents[i].Y);
bw.Write(mesh.tangents[i].Z);
bw.Write(mesh.tangents[i].W);
}
for (var i = 0; i < mesh.colors0.Length; i++)
{
bw.Write(mesh.colors0[i].X);
bw.Write(mesh.colors0[i].Y);
bw.Write(mesh.colors0[i].Z);
bw.Write(mesh.colors0[i].W);
}
for (var i = 0; i < mesh.colors1.Length; i++)
{
bw.Write(mesh.colors1[i].X);
bw.Write(mesh.colors1[i].Y);
bw.Write(mesh.colors1[i].Z);
bw.Write(mesh.colors1[i].W);
}
for (var i = 0; i < mesh.texCoords0.Length; i++)
{
bw.Write(mesh.texCoords0[i].X);
bw.Write(mesh.texCoords0[i].Y);
}
for (var i = 0; i < mesh.texCoords1.Length; i++)
{
bw.Write(mesh.texCoords1[i].X);
bw.Write(mesh.texCoords1[i].Y);
}
if (mesh.weightCount > 0)
{
if (rig != null)
{
for (var i = 0; i < mesh.positions.Length; i++)
{
bw.Write(mesh.boneindices[i, 0]);
bw.Write(mesh.boneindices[i, 1]);
bw.Write(mesh.boneindices[i, 2]);
bw.Write(mesh.boneindices[i, 3]);
}
for (var i = 0; i < mesh.positions.Length; i++)
{
bw.Write(mesh.weights[i, 0]);
bw.Write(mesh.weights[i, 1]);
bw.Write(mesh.weights[i, 2]);
bw.Write(mesh.weights[i, 3]);
}
if (mesh.weightCount > 4)
{
for (var i = 0; i < mesh.positions.Length; i++)
{
bw.Write(mesh.boneindices[i, 4]);
bw.Write(mesh.boneindices[i, 5]);
bw.Write(mesh.boneindices[i, 6]);
bw.Write(mesh.boneindices[i, 7]);
}
for (var i = 0; i < mesh.positions.Length; i++)
{
bw.Write(mesh.weights[i, 4]);
bw.Write(mesh.weights[i, 5]);
bw.Write(mesh.weights[i, 6]);
bw.Write(mesh.weights[i, 7]);
}
}
}
}
for (var i = 0; i < mesh.indices.Length; i += 3)
{
bw.Write(Convert.ToUInt16(mesh.indices[i + 1]));
bw.Write(Convert.ToUInt16(mesh.indices[i + 0]));
bw.Write(Convert.ToUInt16(mesh.indices[i + 2]));
}
for (var i = 0; i < expTargets.Count; i++)
{
var mappings = expTargets[i][mIndex].vertexMapping.ToList();
for (ushort e = 0; e < mesh.positions.Length; e++)
{
if (mappings.Contains(e))
{
var idx = mappings.IndexOf(e);
bw.Write(expTargets[i][mIndex].vertexDelta[idx].X);
bw.Write(expTargets[i][mIndex].vertexDelta[idx].Y);
bw.Write(expTargets[i][mIndex].vertexDelta[idx].Z);
}
else
{
bw.Write(0f);
bw.Write(0f);
bw.Write(0f);
}
}
for (ushort e = 0; e < mesh.normals.Length; e++)
{
if (mappings.Contains(e))
{
var idx = mappings.IndexOf(e);
bw.Write(expTargets[i][mIndex].normalDelta[idx].X);
bw.Write(expTargets[i][mIndex].normalDelta[idx].Y);
bw.Write(expTargets[i][mIndex].normalDelta[idx].Z);
}
else
{
bw.Write(0f);
bw.Write(0f);
bw.Write(0f);
}
}
for (ushort e = 0; e < mesh.tangents.Length; e++)
{
if (mappings.Contains(e))
{
var idx = mappings.IndexOf(e);
bw.Write(expTargets[i][mIndex].tangentDelta[idx].X);
bw.Write(expTargets[i][mIndex].tangentDelta[idx].Y);
bw.Write(expTargets[i][mIndex].tangentDelta[idx].Z);
}
else
{
bw.Write(0f);
bw.Write(0f);
bw.Write(0f);
}
}
}
}
var buffer = model.UseBuffer(ms.ToArray());
var BuffViewoffset = 0;
foreach (var mesh in meshes)
{
var mes = model.CreateMesh(mesh.name);
var prim = mes.CreatePrimitive();
prim.Material = mat;
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.positions.Length * 12);
acc.SetData(buff, 0, mesh.positions.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
prim.SetVertexAccessor("POSITION", acc);
BuffViewoffset += mesh.positions.Length * 12;
}
if (mesh.normals.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.normals.Length * 12);
acc.SetData(buff, 0, mesh.normals.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
prim.SetVertexAccessor("NORMAL", acc);
BuffViewoffset += mesh.normals.Length * 12;
}
if (mesh.tangents.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.tangents.Length * 16);
acc.SetData(buff, 0, mesh.tangents.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("TANGENT", acc);
BuffViewoffset += mesh.tangents.Length * 16;
}
if (mesh.colors0.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.colors0.Length * 16);
acc.SetData(buff, 0, mesh.colors0.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("COLOR_0", acc);
BuffViewoffset += mesh.colors0.Length * 16;
}
if (mesh.colors1.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.colors1.Length * 16);
acc.SetData(buff, 0, mesh.colors1.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("COLOR_1", acc);
BuffViewoffset += mesh.colors1.Length * 16;
}
if (mesh.texCoords0.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.texCoords0.Length * 8);
acc.SetData(buff, 0, mesh.texCoords0.Length, DimensionType.VEC2, EncodingType.FLOAT, false);
prim.SetVertexAccessor("TEXCOORD_0", acc);
BuffViewoffset += mesh.texCoords0.Length * 8;
}
if (mesh.texCoords1.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.texCoords1.Length * 8);
acc.SetData(buff, 0, mesh.texCoords1.Length, DimensionType.VEC2, EncodingType.FLOAT, false);
prim.SetVertexAccessor("TEXCOORD_1", acc);
BuffViewoffset += mesh.texCoords1.Length * 8;
}
if (mesh.weightCount > 0)
{
if (rig != null)
{
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.positions.Length * 8);
acc.SetData(buff, 0, mesh.positions.Length, DimensionType.VEC4, EncodingType.UNSIGNED_SHORT, false);
prim.SetVertexAccessor("JOINTS_0", acc);
BuffViewoffset += mesh.positions.Length * 8;
}
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.positions.Length * 16);
acc.SetData(buff, 0, mesh.positions.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("WEIGHTS_0", acc);
BuffViewoffset += mesh.positions.Length * 16;
}
if (mesh.weightCount > 4)
{
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.positions.Length * 8);
acc.SetData(buff, 0, mesh.positions.Length, DimensionType.VEC4, EncodingType.UNSIGNED_SHORT, false);
prim.SetVertexAccessor("JOINTS_1", acc);
BuffViewoffset += mesh.positions.Length * 8;
}
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.positions.Length * 16);
acc.SetData(buff, 0, mesh.positions.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("WEIGHTS_1", acc);
BuffViewoffset += mesh.positions.Length * 16;
}
}
}
}
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.indices.Length * 2);
acc.SetData(buff, 0, mesh.indices.Length, DimensionType.SCALAR, EncodingType.UNSIGNED_SHORT, false);
prim.SetIndexAccessor(acc);
BuffViewoffset += mesh.indices.Length * 2;
}
var nod = model.UseScene(0).CreateNode(mesh.name);
nod.Mesh = mes;
if (rig != null && mesh.weightCount > 0)
{
nod.Skin = skins[0];
}
var obj = new { targetNames = names }; // anonymous variable/obj
mes.Extras = SharpGLTF.IO.JsonContent.Serialize(obj);
for (var i = 0; i < expTargets.Count; i++)
{
var dict = new Dictionary <string, Accessor>();
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.positions.Length * 12);
acc.SetData(buff, 0, mesh.positions.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
dict.Add("POSITION", acc);
BuffViewoffset += mesh.positions.Length * 12;
}
if (mesh.normals.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.normals.Length * 12);
acc.SetData(buff, 0, mesh.normals.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
dict.Add("NORMAL", acc);
BuffViewoffset += mesh.normals.Length * 12;
}
if (mesh.tangents.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.tangents.Length * 12);
acc.SetData(buff, 0, mesh.tangents.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
dict.Add("TANGENT", acc);
BuffViewoffset += mesh.tangents.Length * 12;
}
prim.SetMorphTargetAccessors(i, dict);
}
}
model.UseScene(0).Name = "Scene";
model.DefaultScene = model.UseScene(0);
model.MergeBuffers();
return(model);
}
public void CreateSceneWithSkinnedAnimatedMeshBuilder()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create animation sequence with 4 frames
var keyframes = new Dictionary <Single, Quaternion>
{
[1] = Quaternion.Identity,
[2] = Quaternion.CreateFromYawPitchRoll(0, 1, 0),
[3] = Quaternion.CreateFromYawPitchRoll(0, 0, 1),
[4] = Quaternion.Identity,
};
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 0, 1, 1))
.WithDoubleSide(true);
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 1, 0, 1))
.WithDoubleSide(true);
// create the mesh
var meshBuilder = new MeshBuilder <VPOS, VEMPTY, VSKIN4>("mesh1");
#if DEBUG
meshBuilder.VertexPreprocessor.SetDebugPreprocessors();
#else
meshBuilder.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
const int jointIdx0 = 0;
const int jointIdx1 = 1;
const int jointIdx2 = 2;
var v1 = (new VPOS(-10, 0, +10), new VSKIN4(jointIdx0));
var v2 = (new VPOS(+10, 0, +10), new VSKIN4(jointIdx0));
var v3 = (new VPOS(+10, 0, -10), new VSKIN4(jointIdx0));
var v4 = (new VPOS(-10, 0, -10), new VSKIN4(jointIdx0));
var v5 = (new VPOS(-10, 40, +10), new VSKIN4((jointIdx0, 0.5f), (jointIdx1, 0.5f)));
var v6 = (new VPOS(+10, 40, +10), new VSKIN4((jointIdx0, 0.5f), (jointIdx1, 0.5f)));
var v7 = (new VPOS(+10, 40, -10), new VSKIN4((jointIdx0, 0.5f), (jointIdx1, 0.5f)));
var v8 = (new VPOS(-10, 40, -10), new VSKIN4((jointIdx0, 0.5f), (jointIdx1, 0.5f)));
var v9 = (new VPOS(-5, 80, +5), new VSKIN4(jointIdx2));
var v10 = (new VPOS(+5, 80, +5), new VSKIN4(jointIdx2));
var v11 = (new VPOS(+5, 80, -5), new VSKIN4(jointIdx2));
var v12 = (new VPOS(-5, 80, -5), new VSKIN4(jointIdx2));
meshBuilder.UsePrimitive(pink).AddQuadrangle(v1, v2, v6, v5);
meshBuilder.UsePrimitive(pink).AddQuadrangle(v2, v3, v7, v6);
meshBuilder.UsePrimitive(pink).AddQuadrangle(v3, v4, v8, v7);
meshBuilder.UsePrimitive(pink).AddQuadrangle(v4, v1, v5, v8);
meshBuilder.UsePrimitive(yellow).AddQuadrangle(v5, v6, v10, v9);
meshBuilder.UsePrimitive(yellow).AddQuadrangle(v6, v7, v11, v10);
meshBuilder.UsePrimitive(yellow).AddQuadrangle(v7, v8, v12, v11);
meshBuilder.UsePrimitive(yellow).AddQuadrangle(v8, v5, v9, v12);
meshBuilder.Validate();
// create base model
var model = ModelRoot.CreateModel();
var scene = model.UseScene("Default");
// create the three joints that will affect the mesh
var skelet = scene.CreateNode("Skeleton");
var joint0 = skelet.CreateNode("Joint 0").WithLocalTranslation(new Vector3(0, 0, 0));
var joint1 = joint0.CreateNode("Joint 1").WithLocalTranslation(new Vector3(0, 40, 0)).WithRotationAnimation("Base Track", keyframes);
var joint2 = joint1.CreateNode("Joint 2").WithLocalTranslation(new Vector3(0, 40, 0));
// setup skin
var snode = scene.CreateNode("Skeleton Node");
snode.Skin = model.CreateSkin();
snode.Skin.BindJoints(joint0, joint1, joint2);
snode.WithMesh(model.CreateMesh(meshBuilder));
model.AttachToCurrentTest("result.glb");
model.AttachToCurrentTest("result.gltf");
}
public static void DoIt()
{
// todo: do something with laz file...
var material = new MaterialBuilder("material1").WithUnlitShader();
var mesh = VERTEX.CreateCompatibleMesh("points");
// create a point cloud primitive
var pointCloud = mesh.UsePrimitive(material, 1);
var points = LasReader.Readlas("utrecht.laz");
foreach (var p in points)
{
pointCloud.AddPoint((p, new Vector4(0.4f, 0.8f, 0.7f, 1)));
}
// create a new gltf model
var model = ModelRoot.CreateModel();
// add all meshes (just one in this case) to the model
model.CreateMeshes(mesh);
// create a scene, a node, and assign the first mesh (the terrain)
model.UseScene("Default")
.CreateNode().WithMesh(model.LogicalMeshes[0]);
// save the model as GLB
model.SaveGLB("Galaxy.glb");
MessageBox.Show("Galaxy.glb is created");
/**
*
* var galaxy = new Galaxy();
*
* galaxy.scaleOverPlane = 0.05f;
* galaxy.randomJitter = 0.01f;
* foreach (var startPoint in galaxy.CreateStarts(50000))
* {
* pointCloud.AddPoint((startPoint, Vector4.One));
* }
*
* galaxy.scaleOverPlane = 0.15f;
* galaxy.randomJitter = 0.02f;
* foreach (var startPoint in galaxy.CreateStarts(50000))
* {
* pointCloud.AddPoint((startPoint, new Vector4(0.4f, 0.8f, 0.7f, 1)));
* }
*
* galaxy.randomJitter = 0.07f;
* foreach (var startPoint in galaxy.CreateStarts(10000))
* {
* pointCloud.AddPoint((startPoint, new Vector4(0.2f, 0.6f, 0.5f, 1)));
* }
*
* // create a new gltf model
* var model = ModelRoot.CreateModel();
*
* // add all meshes (just one in this case) to the model
* model.CreateMeshes(mesh);
*
* // create a scene, a node, and assign the first mesh (the terrain)
* model.UseScene("Default")
* .CreateNode().WithMesh(model.LogicalMeshes[0]);
*
* // save the model as GLB
* model.SaveGLB("Galaxy.glb");
*
* MessageBox.Show("Galaxy.glb is created");
*/
}
public void CreateSceneWithSharedBuffers()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create materials
var material1 = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 1, 0, 1));
var material2 = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 0, 1, 1));
// create several meshes
var meshBuilder1 = new MeshBuilder <VPOSNRM>("mesh1");
meshBuilder1.VertexPreprocessor.SetDebugPreprocessors();
var meshBuilder2 = new MeshBuilder <VPOSNRM>("mesh2");
meshBuilder2.VertexPreprocessor.SetDebugPreprocessors();
var meshBuilder3 = new MeshBuilder <VPOSNRM>("mesh3");
meshBuilder3.VertexPreprocessor.SetDebugPreprocessors();
var meshBuilder4 = new MeshBuilder <VPOSNRM>("mesh4");
meshBuilder4.VertexPreprocessor.SetDebugPreprocessors();
meshBuilder1.AddCube(material1, Matrix4x4.Identity);
meshBuilder2.AddCube(material2, Matrix4x4.Identity);
meshBuilder3.AddSphere(material1, 0.5f, Matrix4x4.Identity);
meshBuilder4.AddSphere(material2, 0.5f, Matrix4x4.Identity);
meshBuilder1.Validate();
meshBuilder2.Validate();
meshBuilder3.Validate();
meshBuilder4.Validate();
// create the gltf model
var model = ModelRoot.CreateModel();
// create gltf meshes, by doing so in a single call, we ensure a single, shared vertex and index buffer will be used.
var meshes = model.CreateMeshes(meshBuilder1, meshBuilder2, meshBuilder3, meshBuilder4);
// create scene nodes
model.UseScene("Default").CreateNode("Cube1").WithMesh(meshes[0]).WithLocalTranslation(new Vector3(-5, 0, 0));
model.UseScene("Default").CreateNode("Cube2").WithMesh(meshes[1]).WithLocalTranslation(new Vector3(0, 5, 0));
model.UseScene("Default").CreateNode("Sphere1").WithMesh(meshes[2]).WithLocalTranslation(new Vector3(+5, 0, 0));
model.UseScene("Default").CreateNode("Sphere2").WithMesh(meshes[3]).WithLocalTranslation(new Vector3(0, -5, 0));
// manuall merge all the buffers
model.MergeBuffers();
// checks
Assert.AreEqual(1, model.LogicalBuffers.Count);
Assert.AreEqual(2, model.LogicalBufferViews.Count);
Assert.IsTrue(model.LogicalBufferViews[0].IsVertexBuffer);
Assert.IsTrue(model.LogicalBufferViews[1].IsIndexBuffer);
Assert.AreEqual(2, model.LogicalMaterials.Count);
model.AttachToCurrentTest("result.glb");
model.AttachToCurrentTest("result.gltf");
}
public static ModelRoot RawMeshesToGLTF(List <RawMeshContainer> meshes, RawArmature Rig)
{
var model = ModelRoot.CreateModel();
var mat = model.CreateMaterial("Default");
mat.WithPBRMetallicRoughness().WithDefault();
mat.DoubleSided = true;
List <Skin> skins = new List <Skin>();
if (Rig != null)
{
var skin = model.CreateSkin();
skin.BindJoints(RIG.ExportNodes(ref model, Rig).Values.ToArray());
skins.Add(skin);
}
var ms = new MemoryStream();
var bw = new BinaryWriter(ms);
foreach (var mesh in meshes)
{
for (int i = 0; i < mesh.vertices.Length; i++)
{
bw.Write(mesh.vertices[i].X);
bw.Write(mesh.vertices[i].Y);
bw.Write(mesh.vertices[i].Z);
}
for (int i = 0; i < mesh.normals.Length; i++)
{
bw.Write(mesh.normals[i].X);
bw.Write(mesh.normals[i].Y);
bw.Write(mesh.normals[i].Z);
}
for (int i = 0; i < mesh.tangents.Length; i++)
{
bw.Write(mesh.tangents[i].X);
bw.Write(mesh.tangents[i].Y);
bw.Write(mesh.tangents[i].Z);
bw.Write(mesh.tangents[i].W);
}
for (int i = 0; i < mesh.colors.Length; i++)
{
bw.Write(mesh.colors[i].X);
bw.Write(mesh.colors[i].Y);
bw.Write(mesh.colors[i].Z);
bw.Write(mesh.colors[i].W);
}
for (int i = 0; i < mesh.tx0coords.Length; i++)
{
bw.Write(mesh.tx0coords[i].X);
bw.Write(mesh.tx0coords[i].Y);
}
for (int i = 0; i < mesh.tx1coords.Length; i++)
{
bw.Write(mesh.tx1coords[i].X);
bw.Write(mesh.tx1coords[i].Y);
}
if (mesh.weightcount > 0)
{
if (Rig != null)
{
for (int i = 0; i < mesh.vertices.Length; i++)
{
bw.Write(mesh.boneindices[i, 0]);
bw.Write(mesh.boneindices[i, 1]);
bw.Write(mesh.boneindices[i, 2]);
bw.Write(mesh.boneindices[i, 3]);
}
for (int i = 0; i < mesh.vertices.Length; i++)
{
bw.Write(mesh.weights[i, 0]);
bw.Write(mesh.weights[i, 1]);
bw.Write(mesh.weights[i, 2]);
bw.Write(mesh.weights[i, 3]);
}
if (mesh.weightcount > 4)
{
for (int i = 0; i < mesh.vertices.Length; i++)
{
bw.Write(mesh.boneindices[i, 4]);
bw.Write(mesh.boneindices[i, 5]);
bw.Write(mesh.boneindices[i, 6]);
bw.Write(mesh.boneindices[i, 7]);
}
for (int i = 0; i < mesh.vertices.Length; i++)
{
bw.Write(mesh.weights[i, 4]);
bw.Write(mesh.weights[i, 5]);
bw.Write(mesh.weights[i, 6]);
bw.Write(mesh.weights[i, 7]);
}
}
}
}
for (int i = 0; i < mesh.indices.Length; i += 3)
{
bw.Write(Convert.ToUInt16(mesh.indices[i + 1]));
bw.Write(Convert.ToUInt16(mesh.indices[i + 0]));
bw.Write(Convert.ToUInt16(mesh.indices[i + 2]));
}
if (mesh.extraExist)
{
for (int i = 0; i < mesh.vertices.Length; i++)
{
bw.Write(mesh.extradata[i].X);
bw.Write(mesh.extradata[i].Y);
bw.Write(mesh.extradata[i].Z);
}
}
}
var buffer = model.UseBuffer(ms.ToArray());
int BuffViewoffset = 0;
foreach (var mesh in meshes)
{
var mes = model.CreateMesh(mesh.name);
var prim = mes.CreatePrimitive();
prim.Material = mat;
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.vertices.Length * 12);
acc.SetData(buff, 0, mesh.vertices.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
prim.SetVertexAccessor("POSITION", acc);
BuffViewoffset += mesh.vertices.Length * 12;
}
if (mesh.normals.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.normals.Length * 12);
acc.SetData(buff, 0, mesh.normals.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
prim.SetVertexAccessor("NORMAL", acc);
BuffViewoffset += mesh.normals.Length * 12;
}
if (mesh.tangents.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.tangents.Length * 16);
acc.SetData(buff, 0, mesh.tangents.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("TANGENT", acc);
BuffViewoffset += mesh.tangents.Length * 16;
}
if (mesh.colors.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.colors.Length * 16);
acc.SetData(buff, 0, mesh.colors.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("COLOR_0", acc);
BuffViewoffset += mesh.colors.Length * 16;
}
if (mesh.tx0coords.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.tx0coords.Length * 8);
acc.SetData(buff, 0, mesh.tx0coords.Length, DimensionType.VEC2, EncodingType.FLOAT, false);
prim.SetVertexAccessor("TEXCOORD_0", acc);
BuffViewoffset += mesh.tx0coords.Length * 8;
}
if (mesh.tx1coords.Length > 0)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.tx1coords.Length * 8);
acc.SetData(buff, 0, mesh.tx1coords.Length, DimensionType.VEC2, EncodingType.FLOAT, false);
prim.SetVertexAccessor("TEXCOORD_1", acc);
BuffViewoffset += mesh.tx1coords.Length * 8;
}
if (mesh.weightcount > 0)
{
if (Rig != null)
{
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.vertices.Length * 8);
acc.SetData(buff, 0, mesh.vertices.Length, DimensionType.VEC4, EncodingType.UNSIGNED_SHORT, false);
prim.SetVertexAccessor("JOINTS_0", acc);
BuffViewoffset += mesh.vertices.Length * 8;
}
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.vertices.Length * 16);
acc.SetData(buff, 0, mesh.vertices.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("WEIGHTS_0", acc);
BuffViewoffset += mesh.vertices.Length * 16;
}
if (mesh.weightcount > 4)
{
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.vertices.Length * 8);
acc.SetData(buff, 0, mesh.vertices.Length, DimensionType.VEC4, EncodingType.UNSIGNED_SHORT, false);
prim.SetVertexAccessor("JOINTS_1", acc);
BuffViewoffset += mesh.vertices.Length * 8;
}
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.vertices.Length * 16);
acc.SetData(buff, 0, mesh.vertices.Length, DimensionType.VEC4, EncodingType.FLOAT, false);
prim.SetVertexAccessor("WEIGHTS_1", acc);
BuffViewoffset += mesh.vertices.Length * 16;
}
}
}
}
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.indices.Length * 2);
acc.SetData(buff, 0, mesh.indices.Length, DimensionType.SCALAR, EncodingType.UNSIGNED_SHORT, false);
prim.SetIndexAccessor(acc);
BuffViewoffset += mesh.indices.Length * 2;
}
var nod = model.UseScene(0).CreateNode(mesh.name);
nod.Mesh = mes;
if (Rig != null && mesh.weightcount > 0)
{
nod.Skin = skins[0];
}
if (mesh.extraExist)
{
string[] arr = { "GarmentSupport" };
var obj = new { appNames = mesh.appNames, materialNames = mesh.materialNames, targetNames = arr };
mes.Extras = SharpGLTF.IO.JsonContent.Serialize(obj);
}
else
{
var obj = new { appNames = mesh.appNames, materialNames = mesh.materialNames };
mes.Extras = SharpGLTF.IO.JsonContent.Serialize(obj);
}
if (mesh.extraExist)
{
var acc = model.CreateAccessor();
var buff = model.UseBufferView(buffer, BuffViewoffset, mesh.extradata.Length * 12);
acc.SetData(buff, 0, mesh.extradata.Length, DimensionType.VEC3, EncodingType.FLOAT, false);
var dict = new Dictionary <string, Accessor>();
dict.Add("POSITION", acc);
prim.SetMorphTargetAccessors(0, dict);
BuffViewoffset += mesh.extradata.Length * 12;
}
}
model.UseScene(0).Name = "Scene";
model.DefaultScene = model.UseScene(0);
model.MergeBuffers();
return(model);
}
public Task WriteAsync(Stream stream, IContentContainer content)
{
return(Task.Run(async() =>
{
var context = new WriterContext
{
Container = content,
ModelRoot = ModelRoot.CreateModel()
};
foreach (var textureAsset in content.Images)
{
var image = context.ModelRoot.CreateImage(textureAsset.Id);
image.SetSatelliteContent((await textureAsset.GetContentAsync()).ToArray());
context.Textures.Add(textureAsset, image);
}
foreach (var materialAsset in content.Materials)
{
var material = context.ModelRoot.CreateMaterial(materialAsset.Id);
material.AlphaCutoff = materialAsset.AlphaCutoff;
material.Alpha = GetAlphaMode(materialAsset.Alpha);
material.DoubleSided = materialAsset.DoubleSided;
if (materialAsset.Unlit)
{
material = material.WithUnlit();
}
var metallicRoughnessShader = materialAsset.Shader as MetallicRoughnessShader;
if (metallicRoughnessShader != null)
{
SetupMetallicRoughnessShader(material, metallicRoughnessShader, context);
}
else
{
var specularGlossinessShader = materialAsset.Shader as SpecularGlossinessShader;
if (specularGlossinessShader != null)
{
SetupSpecularGlossinessShader(material, specularGlossinessShader, context);
}
else
{
material.WithDefault();
var defaultShader = materialAsset.Shader as ShaderAsset;
if (defaultShader != null)
{
SetupDefaultShader(material, defaultShader, context);
}
}
}
context.Materials.Add(materialAsset, material);
}
foreach (var nodeAsset in GetAllNodes(content))
{
if (nodeAsset.Mesh != null)
{
IList <IMaterialAsset> materials;
if (context.MeshInstances.TryGetValue(nodeAsset.Mesh.Mesh, out materials))
{
if (materials.Count != nodeAsset.Mesh.Materials.Count)
{
throw new FormatException("Mesh materials doesn't match all mesh instances");
}
if (!materials.Zip(nodeAsset.Mesh.Materials, (a, b) => a == b).All(_ => _))
{
throw new FormatException("Mesh materials doesn't match all mesh instances");
}
continue;
}
context.MeshInstances.Add(nodeAsset.Mesh.Mesh, nodeAsset.Mesh.Materials);
}
}
foreach (var meshAsset in content.Meshes)
{
TransformMesh(context, meshAsset);
}
foreach (var sceneAsset in content.Scenes)
{
var scene = context.ModelRoot.UseScene(sceneAsset.Id);
if (context.ModelRoot.DefaultScene == null)
{
context.ModelRoot.DefaultScene = scene;
}
foreach (var nodeAsset in sceneAsset.ChildNodes)
{
TransformNode(context, nodeAsset, scene.CreateNode(nodeAsset.Id));
}
}
context.ModelRoot.WriteGLB(stream);
}));
}