public void ExportMeshes(string path)
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
path = TestFiles
.GetSampleModelsPaths()
.FirstOrDefault(item => item.Contains(path));
// load the glTF model
var srcModel = ModelRoot.Load(path, Validation.ValidationMode.TryFix);
Assert.NotNull(srcModel);
srcModel.AttachToCurrentTest("GearBoxAssy.plotly");
// convert it to a SceneBuilder so we can manipulate it:
var srcScene = srcModel.DefaultScene.ToSceneBuilder();
// export all the individual meshes to OBJ:
for (int i = 0; i < srcScene.Instances.Count; ++i)
{
var inst = srcScene.Instances[i].Content;
// scan for meshes:
if (inst.Content is MeshContent mesh)
{
var newScene = new SceneBuilder();
newScene.AddRigidMesh(mesh.Mesh, inst.GetPoseWorldMatrix());
newScene.AttachToCurrentTest($"result_{i}.obj");
}
}
}
public void CreateSharedNodeInstanceScene()
{
// SceneBuilder API supports reusing a NodeBuilder in multiple instances with different content.
// but glTF nodes can only hold one mesh per node, so if we find this case we need to internally
// add an additional child node to give room to the the extra mesh.
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var m = MaterialBuilder.CreateDefault();
var cube = new Cube <MaterialBuilder>(m, 1.7f, 1.7f, 1.7f).ToMesh(Matrix4x4.Identity);
var sphere = new IcoSphere <MaterialBuilder>(m).ToMesh(Matrix4x4.Identity);
var armature1 = new NodeBuilder("Skeleton1");
var joint0 = armature1
.CreateNode("Joint 0")
.WithLocalTranslation(new Vector3(0, 1, 0));
var scene = new SceneBuilder();
scene.AddRigidMesh(cube, joint0);
scene.AddRigidMesh(sphere, joint0);
scene.AttachToCurrentTest("instanced.glb");
scene.AttachToCurrentTest("instanced.gltf");
}
public void CreateAnimatedCubeScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var material = MaterialBuilder.CreateDefault();
var mesh = new Cube <MaterialBuilder>(material)
.ToMesh(Matrix4x4.Identity);
var pivot = new NodeBuilder();
pivot.UseTranslation("track1")
.WithPoint(0, Vector3.Zero)
.WithPoint(1, Vector3.One);
pivot.UseRotation("track1")
.WithPoint(0, Quaternion.Identity)
.WithPoint(1, Quaternion.CreateFromAxisAngle(Vector3.UnitY, 1.5f));
pivot.UseScale("track1")
.WithPoint(0, Vector3.One)
.WithPoint(1, new Vector3(0.5f));
var scene = new SceneBuilder();
scene.AddRigidMesh(mesh, pivot);
scene.AttachToCurrentTest("animated.glb");
scene.AttachToCurrentTest("animated.gltf");
}
public SceneBuilder DeepClone()
{
var clone = new SceneBuilder();
clone._Name = this._Name;
clone._Instances.AddRange(this._Instances.Select(item => item.DeepClone(this)));
return(clone);
}
internal InstanceBuilder DeepClone(SceneBuilder newParent)
{
var clone = new InstanceBuilder(newParent);
clone._Name = this.Name;
clone._ContentTransformer = this._ContentTransformer?.DeepClone();
return(clone);
}
public void CreateSceneWithRandomShapes()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var rnd = new Random(177);
// create materials
var materials = Enumerable
.Range(0, 10)
.Select(idx => new Materials.MaterialBuilder()
.WithChannelParam("BaseColor", new Vector4(rnd.NextVector3(), 1)))
.ToList();
// create scene
var scene = new SceneBuilder();
for (int i = 0; i < 100; ++i)
{
// create mesh
var mat = materials[rnd.Next(0, 10)];
var mesh = VPOSNRM.CreateCompatibleMesh("shape");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
if ((i & 1) == 0)
{
mesh.AddCube(mat, Matrix4x4.Identity);
}
else
{
mesh.AddSphere(mat, 0.5f, Matrix4x4.Identity);
}
mesh.Validate();
// create random transform
var r = rnd.NextVector3() * 5;
var xform = Matrix4x4.CreateFromYawPitchRoll(r.X, r.Y, r.Z) * Matrix4x4.CreateTranslation(rnd.NextVector3() * 25);
scene.AddRigidMesh(mesh, xform);
}
// save the model as GLB
scene.AttachToCurrentTest("shapes.glb");
scene.AttachToCurrentTest("shapes.plotly");
}
public void CreateAllAnimationTypesScene()
{
// 3D View 7.1908.9012.0 has an issue displaying off-center meshes with animated morph targets.
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 0, 1, 1));
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 1, 0, 1));
var scene = new SceneBuilder();
var mesh1 = VPOSNRM.CreateCompatibleMesh("shape1");
mesh1.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
var inst1 = scene.AddRigidMesh(mesh1, Matrix4x4.Identity);
var mesh2 = VPOSNRM.CreateCompatibleMesh("shape2");
mesh2.AddCube(pink, Matrix4x4.Identity);
var inst2 = scene.AddRigidMesh(mesh2, Matrix4x4.CreateTranslation(2, 0, 0));
scene.AttachToCurrentTest("static.glb");
scene.AttachToCurrentTest("static.gltf");
var morphBuilder = mesh2.UseMorphTarget(0);
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(0), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(1), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(2), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(3), (Vector3.UnitY, Vector3.Zero));
inst2.Content.UseMorphing().Value = Transforms.SparseWeight8.Create(1);
var curve = inst2.Content.UseMorphing().UseTrackBuilder("Default");
curve.SetPoint(0, Transforms.SparseWeight8.Create(0));
curve.SetPoint(1, Transforms.SparseWeight8.Create(1));
curve.SetPoint(2, Transforms.SparseWeight8.Create(0));
var gltf = scene.ToGltf2();
// Assert.AreEqual(1, gltf.LogicalMeshes[1].MorphWeights[0]);
scene.AttachToCurrentTest("mopth.glb");
scene.AttachToCurrentTest("mopth.gltf");
}
public SceneBuilder DeepClone()
{
var clone = new SceneBuilder();
clone._Name = this._Name;
foreach (var inst in this._Instances)
{
inst._CopyTo(clone);
}
return(clone);
}
public void AddScene(Scene dstScene, SceneBuilder srcScene)
{
_Nodes.Clear();
AddArmatureResources(dstScene.CreateNode, new[] { srcScene });
var schema2Instances = srcScene
.Instances
.OfType <IOperator <Scene> >();
foreach (var inst in schema2Instances)
{
inst.Setup(dstScene, this);
}
}
public void CreateCubeScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var mesh = new Cube <MaterialBuilder>(MaterialBuilder.CreateDefault())
.ToMesh(Matrix4x4.Identity);
var scene = new SceneBuilder();
scene.AddMesh(mesh, Matrix4x4.Identity);
scene.AttachToCurrentTest("cube.glb");
}
public static SceneBuilder CreateFrom(Scene srcScene)
{
if (srcScene == null)
{
return(null);
}
// Process armatures
var dstNodes = new Dictionary <Node, NodeBuilder>();
foreach (var srcArmature in srcScene.VisualChildren)
{
var dstArmature = new NodeBuilder();
_CopyToNodeBuilder(dstArmature, srcArmature, dstNodes);
}
// TODO: we must also process the armatures of every skin, in case the joints are outside the scene.
var dstScene = new SceneBuilder();
dstScene.SetNameAndExtrasFrom(srcScene);
// process mesh instances
var srcMeshInstances = Node.Flatten(srcScene)
.Where(item => item.Mesh != null)
.ToList();
_AddMeshInstances(dstScene, dstNodes, srcMeshInstances);
// process cameras
var srcCameraInstances = Node.Flatten(srcScene)
.Where(item => item.Camera != null)
.ToList();
_AddCameraInstances(dstScene, dstNodes, srcCameraInstances);
var srcLightInstances = Node.Flatten(srcScene)
.Where(item => item.PunctualLight != null)
.ToList();
_AddLightInstances(dstScene, dstNodes, srcCameraInstances);
#if DEBUG
dstScene._VerifyConversion(srcScene);
#endif
return(dstScene);
}
public void TestCreateEmptyMesh()
{
// create a scenebuilder with an empty mesh
var sb = new SceneBuilder();
sb.AddRigidMesh(VPOSNRM.CreateCompatibleMesh("Empty"), Matrix4x4.Identity);
var schema = sb.ToGltf2();
Assert.AreEqual(0, schema.LogicalMeshes.Count, "SceneBuilder should detect empty meshes and remove them.");
schema.CreateMesh("Empty2");
var fileName = AttachmentInfo.From("empty.glb").File.FullName;
Assert.Throws <SharpGLTF.Validation.SchemaException>(() => schema.SaveGLB(fileName));
}
public void CreateSceneWithMixedVertexFormats()
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
var scene = new SceneBuilder();
var mesh1 = new MeshBuilder <VertexPosition, VertexEmpty, VertexEmpty>();
var mesh2 = new MeshBuilder <VertexPositionNormal, VertexEmpty, VertexEmpty>();
mesh1.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
mesh2.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
scene.AddRigidMesh(mesh1, Matrix4x4.CreateTranslation(-2, 0, 0));
scene.AddRigidMesh(mesh2, Matrix4x4.CreateTranslation(2, 0, 0));
scene.AttachToCurrentTest("scene.glb");
}
public void CreateQuadsScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// this test checks that non convex quads are created correctly.
var mesh = new MeshBuilder <VertexPosition>();
var prim = mesh.UsePrimitive(MaterialBuilder.CreateDefault());
var idx = prim.AddQuadrangle(new VertexPosition(0, -1, 0), new VertexPosition(1, 0, 0), new VertexPosition(0, 1, 0), new VertexPosition(-1, 0, 0));
Assert.AreEqual((0, 1, 2, 3), idx);
idx = prim.AddQuadrangle(new VertexPosition(0, -1, 1), new VertexPosition(1, 0, 1), new VertexPosition(0, 1, 1), new VertexPosition(0.5f, 0, 1));
Assert.AreEqual((4, 5, 6, 7), idx);
idx = prim.AddQuadrangle(new VertexPosition(0, 0.5f, 2), new VertexPosition(1, 0, 2), new VertexPosition(0, 1, 2), new VertexPosition(-1, 0, 2));
Assert.AreEqual((8, 9, 10, 11), idx);
idx = prim.AddQuadrangle(new VertexPosition(1, 0, 3), new VertexPosition(0, 1, 3), new VertexPosition(0.5f, 0, 3), new VertexPosition(0, -1, 3));
Assert.AreEqual((12, 13, 14, 15), idx);
idx = prim.AddQuadrangle(new VertexPosition(1, 0, 4), new VertexPosition(1, 0, 4), new VertexPosition(0, 1, 4), new VertexPosition(-1, 0, 4));
Assert.AreEqual((-1, 16, 17, 18), idx);
idx = prim.AddQuadrangle(new VertexPosition(1, 0, 4), new VertexPosition(1, 0, 4), new VertexPosition(0, 1, 4), new VertexPosition(0, 1, 4));
Assert.AreEqual((-1, -1, -1, -1), idx);
idx = prim.AddQuadrangle(new VertexPosition(0, 0, 5), new VertexPosition(10, -1, 5), new VertexPosition(9, 0, 5), new VertexPosition(10, 1, 5));
Assert.AreEqual((19, 20, 21, 22), idx);
idx = prim.AddQuadrangle(new VertexPosition(10, -1, 6), new VertexPosition(9, 0, 6), new VertexPosition(10, 1, 6), new VertexPosition(0, 0, 6));
Assert.AreEqual((23, 24, 25, 26), idx);
var scene = new SceneBuilder();
scene.AddMesh(mesh, Matrix4x4.Identity);
scene.AttachToCurrentTest("cube.glb");
}
private static void _AddMeshInstances(SceneBuilder dstScene, IReadOnlyDictionary <Node, NodeBuilder> dstNodes, IReadOnlyList <Node> srcInstances)
{
var dstMeshes = srcInstances
.Select(item => item.Mesh)
.Distinct()
.ToDictionary(item => item, item => item.ToMeshBuilder());
foreach (var srcInstance in srcInstances)
{
var dstMesh = dstMeshes[srcInstance.Mesh];
if (srcInstance.Skin == null)
{
var dstNode = dstNodes[srcInstance];
var dstInst = dstScene.AddRigidMesh(dstMesh, dstNode);
_CopyMorphingAnimation(dstInst, srcInstance);
}
else
{
var joints = new (NodeBuilder, Matrix4x4)[srcInstance.Skin.JointsCount];
private static void _AddMeshInstances(SceneBuilder dstScene, IEnumerable <Node> srcNodes, IReadOnlyDictionary <Node, NodeBuilder> nodesDict, IReadOnlyDictionary <Node, MESHBUILDER> meshesDict)
{
foreach (var srcNode in srcNodes)
{
if (!meshesDict.TryGetValue(srcNode, out var dstMesh))
{
continue; // nothing to do.
}
if (srcNode.Skin == null)
{
// rigid mesh instance
var dstNode = nodesDict[srcNode];
var gpuInstancing = srcNode.GetGpuInstancing();
if (gpuInstancing == null)
{
var dstInstance = dstScene.AddRigidMesh(dstMesh, dstNode);
_CopyMorphingAnimation(dstInstance, srcNode);
}
else
{
// use gpu instancing extension
foreach (var xinst in gpuInstancing.LocalTransforms)
{
var dstInstance = dstScene.AddRigidMesh(dstMesh, dstNode, xinst);
// if we add morphing to the mesh, all meshes would morph simultaneously??
_CopyMorphingAnimation(dstInstance, srcNode);
}
}
}
else
{
// skinned mesh instance
var joints = new (NodeBuilder, Matrix4x4)[srcNode.Skin.JointsCount];
private static void _AddMeshInstances(SceneBuilder dstScene, IReadOnlyDictionary <Node, NodeBuilder> dstNodes, IReadOnlyList <Node> srcInstances)
{
var dstMeshes = srcInstances
.Select(item => item.Mesh)
.Distinct()
.ToDictionary(item => item, item => item.ToMeshBuilder());
foreach (var srcInstance in srcInstances)
{
var dstMesh = dstMeshes[srcInstance.Mesh];
if (srcInstance.Skin == null)
{
var dstNode = dstNodes[srcInstance];
var gpuInstancing = srcInstance.GetGpuInstancing();
if (gpuInstancing != null)
{
foreach (var xinst in gpuInstancing.LocalTransforms)
{
var dstInst = dstScene.AddRigidMesh(dstMesh, dstNode, xinst);
// if we add morphing the the mesh, all meshes would morph simultaneously??
_CopyMorphingAnimation(dstInst, srcInstance);
}
}
else
{
var dstInst = dstScene.AddRigidMesh(dstMesh, dstNode);
_CopyMorphingAnimation(dstInst, srcInstance);
}
}
else
{
var joints = new (NodeBuilder, Matrix4x4)[srcInstance.Skin.JointsCount];
public void CreateCubeSceneWithExtras()
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
var material = MaterialBuilder.CreateDefault();
material.Name = "hello name";
material.Extras = IO.JsonContent.Serialize(new KeyValuePair <string, int>("hello", 16));
var mesh = new Cube <MaterialBuilder>(material).ToMesh(Matrix4x4.Identity);
mesh.Name = "world name";
mesh.Extras = "world extras";
var scene = new SceneBuilder();
scene.AddRigidMesh(mesh, Matrix4x4.Identity)
.WithName("Cube")
.WithExtras(17);
scene.AttachToCurrentTest("cube.glb");
scene.AttachToCurrentTest("cube.gltf");
scene.AttachToCurrentTest("cube.plotly");
}
public void AddScene(Scene dstScene, SceneBuilder srcScene)
{
_Nodes.Clear();
AddArmatureResources(new[] { srcScene }, () => dstScene.CreateNode());
// gather single operators (RigidTransformer and SkinnedTransformer)
var srcSingleOperators = srcScene
.Instances
.Select(item => item.Content)
.Where(item => !Geometry.MeshBuilderToolkit.IsEmpty(item.GetGeometryAsset()))
.OfType <IOperator <Scene> >();
// gather multi operators (Fixed Transformer)
var srcChildren = srcScene
.Instances
.Select(item => item.Content)
.Where(item => !Geometry.MeshBuilderToolkit.IsEmpty(item.GetGeometryAsset()))
.OfType <FixedTransformer>();
var srcMultiOperators = _MeshInstancing.CreateFrom(srcChildren, this.GpuMeshInstancingMinCount);
// apply operators
var srcOperators = srcSingleOperators.Concat(srcMultiOperators);
foreach (var op in srcOperators)
{
op.ApplyTo(dstScene, this);
}
#if DEBUG
srcScene._VerifyConversion(dstScene);
#endif
}
public void AddScene(Scene dstScene, SceneBuilder srcScene, bool useStridedBuffers = true)
{
// gather all unique MeshBuilders
var srcMeshes = srcScene.Instances
.Select(item => item.Content?.GetGeometryAsset())
.Where(item => item != null)
.Distinct()
.ToArray();
// gather all unique MaterialBuilders
var materialGroups = srcMeshes
.SelectMany(item => item.Primitives)
.Where(item => !Geometry.MeshBuilderToolkit.IsEmpty(item))
.Select(item => item.Material)
.Distinct()
.ToList()
// group by equal content, to reduce material splitting whenever possible.
.GroupBy(item => item, Materials.MaterialBuilder.ContentComparer);
// create a Schema2.Material for every MaterialBuilder.
foreach (var mg in materialGroups)
{
var val = dstScene.LogicalParent.CreateMaterial(mg.Key);
foreach (var key in mg)
{
_Materials[key] = val;
}
}
// create a Schema2.Mesh for every MeshBuilder.
var dstMeshes = dstScene.LogicalParent.CreateMeshes(mat => _Materials[mat], useStridedBuffers, srcMeshes);
for (int i = 0; i < srcMeshes.Length; ++i)
{
_Meshes[srcMeshes[i]] = dstMeshes[i];
}
// TODO: here we could check that every dstMesh has been correctly created.
// gather all NodeBuilder unique armatures
var armatures = srcScene.Instances
.Select(item => item.Content?.GetArmatureAsset())
.Where(item => item != null)
.Select(item => item.Root)
.Distinct()
.ToList();
// create Schema2.Node trees for every armature
foreach (var armature in armatures)
{
CreateArmature(dstScene, armature);
}
// process instances
var schema2Instances = srcScene
.Instances
.OfType <IOperator <Scene> >();
foreach (var inst in schema2Instances)
{
inst.Setup(dstScene, this);
}
}
public void CreateAllAnimationTypesScene()
{
// 3D View 7.1908.9012.0 has an issue displaying off-center meshes with animated morph targets.
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 0, 1, 1));
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 1, 0, 1));
var mesh1 = VPOSNRM.CreateCompatibleMesh("shape1");
mesh1.AddCube(pink, Matrix4x4.Identity);
var mesh2 = VPOSNRM.CreateCompatibleMesh("shape2");
mesh2.AddCube(yellow, Matrix4x4.Identity);
var scene = new SceneBuilder();
var inst1 = scene.AddRigidMesh(mesh1, Matrix4x4.Identity);
// meshes intended to support animation must be created using an armature
var armature = new NodeBuilder();
armature.LocalTransform = Matrix4x4.CreateTranslation(2, 0, 0);
var inst2 = scene.AddRigidMesh(mesh2, armature);
scene.AttachToCurrentTest("static.glb");
scene.AttachToCurrentTest("static.gltf");
// up to this point, the scene has two plain unanimated cubes.
var morphBuilder = mesh2.UseMorphTarget(0);
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(0), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(1), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(2), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(3), (Vector3.UnitY, Vector3.Zero));
// set default value.
inst2.Content.UseMorphing().SetValue(1);
// ser animation curve.
var curve = inst2.Content.UseMorphing().UseTrackBuilder("Default");
curve.SetPoint(0, true, 0);
curve.SetPoint(1, true, 1);
curve.SetPoint(2, true, 0);
var gltf = scene.ToGltf2();
TestContext.WriteLine(gltf.GetJsonPreview());
var meshIdx = 1;
Assert.AreEqual(1, gltf.LogicalMeshes[meshIdx].Primitives[0].MorphTargetsCount);
Assert.AreEqual(1, gltf.LogicalMeshes[meshIdx].MorphWeights[0]);
Assert.AreEqual(1, gltf.LogicalAnimations.Count);
scene.AttachToCurrentTest("mopth.glb");
scene.AttachToCurrentTest("mopth.gltf");
}
public void CreateDoubleSkinnedScene()
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 0, 1, 1))
.WithDoubleSide(true);
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 1, 0, 1))
.WithDoubleSide(true);
// create the mesh
const int jointIdx0 = 0; // index of joint node 0
const int jointIdx1 = 1; // index of joint node 1
const int jointIdx2 = 2; // index of joint node 2
var v1 = new SKINNEDVERTEX4(new Vector3(-10, 0, +10), (jointIdx0, 1));
var v2 = new SKINNEDVERTEX4(new Vector3(+10, 0, +10), (jointIdx0, 1));
var v3 = new SKINNEDVERTEX4(new Vector3(+10, 0, -10), (jointIdx0, 1));
var v4 = new SKINNEDVERTEX4(new Vector3(-10, 0, -10), (jointIdx0, 1));
var v5 = new SKINNEDVERTEX4(new Vector3(-10, 40, +10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v6 = new SKINNEDVERTEX4(new Vector3(+10, 40, +10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v7 = new SKINNEDVERTEX4(new Vector3(+10, 40, -10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v8 = new SKINNEDVERTEX4(new Vector3(-10, 40, -10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v9 = new SKINNEDVERTEX4(new Vector3(-5, 80, +5), (jointIdx2, 1));
var v10 = new SKINNEDVERTEX4(new Vector3(+5, 80, +5), (jointIdx2, 1));
var v11 = new SKINNEDVERTEX4(new Vector3(+5, 80, -5), (jointIdx2, 1));
var v12 = new SKINNEDVERTEX4(new Vector3(-5, 80, -5), (jointIdx2, 1));
var mesh = SKINNEDVERTEX4.CreateCompatibleMesh("mesh1");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
mesh.UsePrimitive(pink).AddQuadrangle(v1, v2, v6, v5);
mesh.UsePrimitive(pink).AddQuadrangle(v2, v3, v7, v6);
mesh.UsePrimitive(pink).AddQuadrangle(v3, v4, v8, v7);
mesh.UsePrimitive(pink).AddQuadrangle(v4, v1, v5, v8);
mesh.UsePrimitive(yellow).AddQuadrangle(v5, v6, v10, v9);
mesh.UsePrimitive(yellow).AddQuadrangle(v6, v7, v11, v10);
mesh.UsePrimitive(yellow).AddQuadrangle(v7, v8, v12, v11);
mesh.UsePrimitive(yellow).AddQuadrangle(v8, v5, v9, v12);
mesh.Validate();
// create the skeleton armature 1 for the skinned mesh.
var armature1 = new NodeBuilder("Skeleton1");
var joint0 = armature1.CreateNode("Joint 0").WithLocalTranslation(new Vector3(0, 0, 0)); // jointIdx0
var joint1 = joint0.CreateNode("Joint 1").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx1
var joint2 = joint1.CreateNode("Joint 2").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx2
joint1.UseRotation("Base Track")
.WithPoint(1, Quaternion.Identity)
.WithPoint(2, Quaternion.CreateFromYawPitchRoll(0, 1, 0))
.WithPoint(3, Quaternion.CreateFromYawPitchRoll(0, 0, 1))
.WithPoint(4, Quaternion.Identity);
// create the skeleton armature 2 for the skinned mesh.
var armature2 = new NodeBuilder("Skeleton2").WithLocalTranslation(new Vector3(100, 0, 0));
var joint3 = armature2.CreateNode("Joint 3").WithLocalTranslation(new Vector3(0, 0, 0)); // jointIdx0
var joint4 = joint3.CreateNode("Joint 4").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx1
var joint5 = joint4.CreateNode("Joint 5").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx2
joint4.UseRotation("Base Track")
.WithPoint(1, Quaternion.Identity)
.WithPoint(2, Quaternion.CreateFromYawPitchRoll(0, 1, 0))
.WithPoint(3, Quaternion.CreateFromYawPitchRoll(0, 0, 1))
.WithPoint(4, Quaternion.Identity);
// create scene
var scene = new SceneBuilder();
scene.AddSkinnedMesh
(
mesh,
armature1.WorldMatrix,
joint0, // joint used for skinning joint index 0
joint1, // joint used for skinning joint index 1
joint2 // joint used for skinning joint index 2
);
scene.AddSkinnedMesh
(
mesh,
armature2.WorldMatrix,
joint3, // joint used for skinning joint index 0
joint4, // joint used for skinning joint index 1
joint5 // joint used for skinning joint index 2
);
scene.AttachToCurrentTest("skinned.glb");
scene.AttachToCurrentTest("skinned.gltf");
}
public void CreateSceneWithRandomShapes(bool useGpuInstancing)
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
var rnd = new Random(177);
// create materials
var materials = Enumerable
.Range(0, 10)
.Select(idx => new MaterialBuilder()
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(rnd.NextVector3(), 1)))
.ToList();
// create meshes
var sphereMeshes = Enumerable
.Range(0, 10)
.Select(idx => materials[idx])
.Select(mat =>
{
var mesh = VPOSNRM.CreateCompatibleMesh("shape");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
mesh.AddSphere(mat, 0.5f, Matrix4x4.Identity);
mesh.Validate();
return(mesh);
});
var cubeMeshes = Enumerable
.Range(0, 10)
.Select(idx => materials[idx])
.Select(mat =>
{
var mesh = VPOSNRM.CreateCompatibleMesh("shape");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
mesh.AddCube(mat, Matrix4x4.Identity);
mesh.Validate();
return(mesh);
});
var meshes = sphereMeshes.Concat(cubeMeshes).ToArray();
// create scene
var scene = new SceneBuilder();
for (int i = 0; i < 100; ++i)
{
var mesh = meshes[rnd.Next(0, 20)];
// create random transform
var r = rnd.NextQuaternion();
var t = rnd.NextVector3() * 25;
scene.AddRigidMesh(mesh, (r, t));
}
// collapse to glTF
var gltf = scene.ToGltf2(useGpuInstancing ? SceneBuilderSchema2Settings.WithGpuInstancing : SceneBuilderSchema2Settings.Default);
var bounds = Runtime.MeshDecoder.EvaluateBoundingBox(gltf.DefaultScene);
// Assert.AreEqual(defaultBounds,instancedBounds);
// save the model as GLB
gltf.AttachToCurrentTest("shapes.glb");
scene.AttachToCurrentTest("shapes.plotly");
}
public static void AttachToCurrentTest(this Scenes.SceneBuilder scene, string fileName)
{
var model = scene.ToSchema2();
model.AttachToCurrentTest(fileName);
}
internal static void _AddCameraTo(CameraTransform3D?_Camera, GLTFWriteSettings?settings, SharpGLTF.Scenes.SceneBuilder scene)
{
if (!_Camera.HasValue)
{
return;
}
var vcam = _Camera.Value;
var camNode = new SharpGLTF.Scenes.NodeBuilder("CameraNode");
camNode.WorldMatrix = vcam.WorldMatrix;
var cam = vcam;
cam.WorldMatrix = Matrix4x4.Identity;
vcam = cam;
if (vcam.TryGetPerspectiveFieldOfView(out var vfov))
{
var persp = new SharpGLTF.Scenes.CameraBuilder.Perspective(null, vfov, 0.1f);
scene.AddCamera(persp, camNode);
}
else if (vcam.TryGetOrthographicScale(out var oscale))
{
var ortho = new SharpGLTF.Scenes.CameraBuilder.Orthographic(oscale, oscale, 0.1f, 1000);
scene.AddCamera(ortho, camNode);
}
if ((settings?.CameraSize ?? 0) > 0)
{
var camMesh = new GltfMeshScene3D();
vcam.DrawCameraTo(camMesh, settings.Value.CameraSize.Value);
vcam.DrawFustrumTo(camMesh, settings.Value.CameraSize.Value * 0.05f, System.Drawing.Color.Yellow);
scene.AddRigidMesh(camMesh.Mesh, camNode);
}
if (Matrix4x4.Invert(_Camera.Value.AxisMatrix, out var invMatrix))
{
// scene.ApplyBasisTransform(invMatrix);
}
}
public ModelRoot SceneGroup(
List <Vitaboy.Mesh> meshes,
List <Vitaboy.Animation> animations,
List <Microsoft.Xna.Framework.Graphics.Texture2D> textures,
Vitaboy.Skeleton skel
)
{
var builder = new SharpGLTF.Scenes.SceneBuilder();
var framerate = 1 / 36f;
var nodes = new Dictionary <Vitaboy.Bone, NodeBuilder>();
var transforms = new List <Matrix4x4>();
skel.ComputeBonePositions(skel.RootBone, Microsoft.Xna.Framework.Matrix.Identity);
ConvertBone(nodes, skel.RootBone, new NodeBuilder(skel.RootBone.Name));
//animations must be uploaded as part of the bone. add them as animation tracks to the existing nodes
var timeprops = new Dictionary <string, float>();
var useAnimID = animations.Count > 1;
foreach (var anim in animations)
{
var name = anim.XSkillName ?? anim.Name;
foreach (var motion in anim.Motions)
{
//find the bone we're creating a curve for
var bone = nodes.Values.FirstOrDefault(x => x.Name == motion.BoneName);
if (bone == null)
{
continue; //cannot add this curve to a bone
}
var root = bone.Name == "ROOT";
var scale = RecursiveScale(bone.Parent);
if (motion.TimeProperties != null)
{
foreach (var tps in motion.TimeProperties)
{
foreach (var tp in tps.Items)
{
foreach (var prop in tp.Properties.Items)
{
foreach (var keyPair in prop.KeyPairs)
{
var tpname = name + "/" + tp.ID.ToString() + "/" + keyPair.Key;
float value = 1;
if (!float.TryParse(keyPair.Value, out value))
{
value = 1;
tpname += "=" + keyPair.Value;
}
timeprops[tpname] = value;
}
}
}
}
}
//create curves for rotation and translation
CurveBuilder <Vector3> transCurve = null;
CurveBuilder <Quaternion> rotCurve = null;
if (motion.HasTranslation)
{
transCurve = bone.Translation.UseTrackBuilder(name);
}
if (motion.HasRotation)
{
rotCurve = bone.Rotation.UseTrackBuilder(name);
}
for (int i = 0; i < motion.FrameCount; i++)
{
var quat = new Quaternion();
Vector3 trans = new Vector3();
if (rotCurve != null)
{
quat = QuatConvert(anim.Rotations[i + motion.FirstRotationIndex]);
}
if (transCurve != null)
{
trans = Vec3Convert(anim.Translations[i + motion.FirstTranslationIndex]) / scale;
}
if (root)
{
quat = RotateQ * quat;
trans = Vector3.Transform(trans, RotateM);
}
rotCurve?.SetPoint(i * framerate, quat, true);
transCurve?.SetPoint(i * framerate, trans, true);
}
if (bone.Name == "R_LEG")
{
}
}
}
var resultMeshes = new List <MeshBuilder <VertexPositionNormal, VertexTexture1, VertexJoints8x4> >();
var orderedBones = skel.Bones.Select(x => nodes[x]).ToArray();
var world = Matrix4x4.Identity; //Matrix4x4.CreateFromAxisAngle(new Vector3(0, 1, 0), (float)Math.PI / 2f);
var outMesh = new MeshBuilder <VertexPositionNormal, VertexTexture1, VertexJoints8x4>("Avatar");
var meshi = 0;
foreach (var mesh in meshes)
{
var tex = textures[meshi++];
var data = TextureToPng(tex);
var material = new MaterialBuilder(mesh.SkinName ?? ("mesh_" + meshi));
var mtex = material.UseChannel(KnownChannels.BaseColor).UseTexture().WithPrimaryImage(new ArraySegment <byte>(data));
var prim = outMesh.UsePrimitive(material, 3);
//todo: blend verts
var previous = new List <VertexBuilder <VertexPositionNormal, VertexTexture1, VertexJoints8x4> >();
for (int i = 0; i < mesh.IndexBuffer.Length; i++)
{
var point = mesh.IndexBuffer[(i / 3) * 3 + (2 - (i % 3))]; //flip triangles
var vert = mesh.VertexBuffer[point];
var texc = new Vector2(vert.TextureCoordinate.X, vert.TextureCoordinate.Y);
var boneInd = (int)vert.Parameters.X;
var blendInd = (int)vert.Parameters.Y;
var mat = skel.Bones[boneInd].AbsoluteMatrix * RotateMX;
var bmat = skel.Bones[blendInd].AbsoluteMatrix * RotateMX;
VertexBuilder <VertexPositionNormal, VertexTexture1, VertexJoints8x4> nvert =
(
new VertexPositionNormal(
Vector3.Lerp(Vec3Convert(Microsoft.Xna.Framework.Vector3.Transform(vert.Position, mat)),
Vec3Convert(Microsoft.Xna.Framework.Vector3.Transform(vert.BvPosition, bmat)),
vert.Parameters.Z),
Vector3.Lerp(Vec3Convert(Microsoft.Xna.Framework.Vector3.TransformNormal(vert.Normal, mat)),
Vec3Convert(Microsoft.Xna.Framework.Vector3.TransformNormal(vert.BvNormal, bmat)),
vert.Parameters.Z)
),
new VertexTexture1(texc),
new VertexJoints8x4(new SharpGLTF.Transforms.SparseWeight8(new Vector4(boneInd, blendInd, 0, 0), new Vector4(1 - vert.Parameters.Z, vert.Parameters.Z, 0, 0)))
);
if (previous.Count == 2)
{
prim.AddTriangle(previous[0], previous[1], nvert);
previous.Clear();
}
else
{
previous.Add(nvert);
}
}
}
var skin = builder.AddSkinnedMesh(outMesh, world, orderedBones);
skin.Name = "Skeleton";
var schema = builder.ToSchema2();
/*
* var children = schema.LogicalScenes.FirstOrDefault().VisualChildren;
* foreach (var child in children)
* {
* if (child.Skin == null) { //armature
* var extras = child.TryUseExtrasAsDictionary(true);
* foreach (var tp in timeprops)
* {
* extras.Add(tp.Key, tp.Value);
* }
* }
* }
*/
//var extras = schema.LogicalNodes.FirstOrDefault(x => x.Name == "ROOT").TryUseExtrasAsDictionary(true);
var extras = schema.LogicalScenes.FirstOrDefault().TryUseExtrasAsDictionary(true);
foreach (var tp in timeprops)
{
extras.Add(tp.Key, tp.Value);
}
return(schema);
}
internal InstanceBuilder(SceneBuilder parent)
{
_Parent = parent;
}