public ColliderUpdater(Gltf gltf, IDictionary <int, Unity_collidersCollider> colliders)
{
this.gltf = gltf;
this.colliders = colliders;
}
private void FetchBuffers(Gltf gltfFile, string gltfPath)
{
FetchBuffers(gltfFile, gltfPath, Enumerable.Range(0, gltfFile.Buffers.Length));
}
private float[] GetComponentAtIndex(Gltf gltf, Accessor accessor, int index)
{
var bufferView = gltf.BufferViews[accessor.BufferView ?? throw new Exception($"Accessor '{accessor.Name ?? "?"}' has no buffer-view!")];
private GltfModelLoader(GraphicsDevice device, Gltf gltf, byte[][] buffers)
{
GraphicsDevice = device;
this.gltf = gltf;
this.buffers = buffers;
}
internal static int AddLineLoop(this Gltf gltf, string name, List <byte> buffer, double[] vertices, ushort[] indices, double[] vMin, double[] vMax, ushort iMin, ushort iMax, int materialId, Transform transform = null)
{
var m = new glTFLoader.Schema.Mesh();
m.Name = name;
var vBuff = gltf.AddBufferView(0, buffer.Count(), vertices.Length * sizeof(float), null, null);
var iBuff = gltf.AddBufferView(0, buffer.Count() + vertices.Length * sizeof(float), indices.Length * sizeof(ushort), null, null);
buffer.AddRange(vertices.SelectMany(v => BitConverter.GetBytes((float)v)));
buffer.AddRange(indices.SelectMany(v => BitConverter.GetBytes(v)));
while (buffer.Count() % 4 != 0)
{
// Console.WriteLine("Padding...");
buffer.Add(0);
}
var vAccess = gltf.AddAccessor(vBuff, 0, Accessor.ComponentTypeEnum.FLOAT, vertices.Length / 3, new[] { (float)vMin[0], (float)vMin[1], (float)vMin[2] }, new[] { (float)vMax[0], (float)vMax[1], (float)vMax[2] }, Accessor.TypeEnum.VEC3);
var iAccess = gltf.AddAccessor(iBuff, 0, Accessor.ComponentTypeEnum.UNSIGNED_SHORT, indices.Length, new[] { (float)iMin }, new[] { (float)iMax }, Accessor.TypeEnum.SCALAR);
var prim = new MeshPrimitive();
prim.Indices = iAccess;
prim.Material = materialId;
prim.Mode = MeshPrimitive.ModeEnum.LINE_STRIP;
prim.Attributes = new Dictionary <string, int> {
{ "POSITION", vAccess }
};
m.Primitives = new[] { prim };
// Add mesh to gltf
if (gltf.Meshes != null)
{
var meshes = gltf.Meshes.ToList();
meshes.Add(m);
gltf.Meshes = meshes.ToArray();
}
else
{
gltf.Meshes = new[] { m };
}
var parentId = 0;
if (transform != null)
{
var a = transform.XAxis;
var b = transform.YAxis;
var c = transform.ZAxis;
var transNode = new Node();
transNode.Matrix = new[] {
(float)a.X, (float)a.Y, (float)a.Z, 0.0f,
(float)b.X, (float)b.Y, (float)b.Z, 0.0f,
(float)c.X, (float)c.Y, (float)c.Z, 0.0f,
(float)transform.Origin.X, (float)transform.Origin.Y, (float)transform.Origin.Z, 1.0f
};
parentId = gltf.AddNode(transNode, 0);
}
// Add mesh node to gltf
var node = new Node();
node.Mesh = gltf.Meshes.Length - 1;
gltf.AddNode(node, parentId);
return(gltf.Meshes.Length - 1);
}
public GltfModelToGL(Stream stream)
{
gltf = Interface.LoadModel(stream);
glBuffers = CreateBuffers(gltf);
//var nodes = from scene in gltf.Scenes select scene.Nodes;
}
public Core.Entities.Mesh LoadFromFile(string path)
{
if (!path.EndsWith("gltf") && !path.EndsWith("glb"))
{
return(null);
}
Gltf deserializedFile = Interface.LoadModel(path);
//Only one mesh currently supported.
Mesh[] meshes = deserializedFile.Meshes;
Core.Entities.Mesh loadedModel = new Core.Entities.Mesh(_recalculateNormals);
// read all buffers
for (int i = 0; i < deserializedFile.Buffers?.Length; i++)
{
byte[] bufferBytes = deserializedFile.LoadBinaryBuffer(i, path);
int indecesAttributevalue = meshes[0].Primitives[0].Indices ?? 0;
int indecesBufferView = deserializedFile.Accessors[indecesAttributevalue].BufferView ?? 0;
int[] indeces =
bufferBytes.ParseBufferViews(deserializedFile.Accessors[indecesAttributevalue],
deserializedFile.BufferViews[indecesBufferView]);
foreach (KeyValuePair <string, int> attribute in deserializedFile.Meshes[0].Primitives[0].Attributes)
{
Console.WriteLine(attribute.Key);
}
AttributeParser posParser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "POSITION");
AttributeParser normParser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "NORMAL");
AttributeParser uv0Parser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "TEXCOORD_0");
AttributeParser uv1Parser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "TEXCOORD_1");
AttributeParser tangentParser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "TANGENT");
//Animations
AttributeParser jointsParser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "JOINTS_0");
AttributeParser weightsParser = new AttributeParser(0, 0, deserializedFile, bufferBytes, "WEIGHTS_0");
List <Vector3> vertexCoords = posParser.Parse() ? posParser.ParsedAttribute : null;
List <Vector3> normalCoords = normParser.Parse() ? normParser.ParsedAttribute : null;
List <Vector2> uv0Coords = uv0Parser.Parse() ? uv0Parser.ParsedAttribute : null;
List <Vector2> uv1Coords = uv1Parser.Parse() ? uv1Parser.ParsedAttribute : null;
List <Vector4> tangentCoords = tangentParser.Parse() ? tangentParser.ParsedAttribute : null;
//Animations
List <Vector4> jointsValues = jointsParser.Parse() ? jointsParser.ParsedAttribute : null;
List <Vector4> weightsValues = weightsParser.Parse() ? weightsParser.ParsedAttribute : null;
List <Vector3> decodedVertices = new List <Vector3>();
List <Vector3> decodedNormals = new List <Vector3>();
List <Vector2> decodedUvCoords = new List <Vector2>();
for (int j = 0; j < indeces.Length; j++)
{
decodedVertices.Add(vertexCoords == null || vertexCoords.Count() == 0 ? Vector3.Zero : vertexCoords[indeces[j]]);
decodedNormals.Add(normalCoords == null || normalCoords.Count() == 0 ? Vector3.Zero : normalCoords[indeces[j]]);
decodedUvCoords.Add(uv0Coords == null || uv0Coords.Count() == 0 ? Vector2.Zero : uv0Coords[indeces[j]]);
}
loadedModel.Vertices = decodedVertices.ToArray();
loadedModel.Normals = decodedNormals.ToArray();
loadedModel.UvCoords = decodedUvCoords.ToArray();
loadedModel.Indeces = indeces;
}
return(loadedModel);
}
public Node_Attribute(List <string> imageList)
{
var baseColorTextureImage = UseTexture(imageList, "BaseColor_Nodes");
// There are no common properties in this model group that are reported in the readme.
Model CreateModel(Action <List <Property>, Runtime.Node> setProperties)
{
var properties = new List <Property>();
var gltf = Gltf.CreateMultiNode();
var nodes = new[]
{
gltf.Scenes.First().Nodes.First(),
gltf.Scenes.First().Nodes.First().Children.First(),
};
// Apply the common properties to the gltf.
foreach (var node in nodes)
{
node.Mesh.MeshPrimitives.First().Material = new Runtime.Material()
{
MetallicRoughnessMaterial = new Runtime.PbrMetallicRoughness()
{
BaseColorTexture = new Runtime.Texture()
{
Source = baseColorTextureImage
},
},
};
node.Mesh.MeshPrimitives.First().Normals = null;
node.Mesh.MeshPrimitives.First().Tangents = null;
}
// Apply the properties that are specific to this gltf.
setProperties(properties, nodes[1]);
// Create the gltf object
return(new Model
{
Properties = properties,
GLTF = CreateGLTF(() => gltf.Scenes.First()),
});
}
void SetTranslation(List <Property> properties, Runtime.Node node)
{
node.Translation = new Vector3(-2, 2, -2);
properties.Add(new Property(PropertyName.Translation, node.Translation));
}
void SetTranslationX(List <Property> properties, Runtime.Node node)
{
node.Translation = new Vector3(-2, 0, 0);
properties.Add(new Property(PropertyName.Translation, node.Translation));
}
void SetTranslationY(List <Property> properties, Runtime.Node node)
{
node.Translation = new Vector3(0, 2, 0);
properties.Add(new Property(PropertyName.Translation, node.Translation));
}
void SetTranslationZ(List <Property> properties, Runtime.Node node)
{
node.Translation = new Vector3(0, 0, -2);
properties.Add(new Property(PropertyName.Translation, node.Translation));
}
void SetRotation(List <Property> properties, Runtime.Node node)
{
var rotation = new Quaternion(0.0f, 1.0f, 0.0f, 0.0f);
node.Rotation = rotation;
properties.Add(new Property(PropertyName.Rotation, rotation));
}
void SetScale(List <Property> properties, Runtime.Node node)
{
node.Scale = new Vector3(1.2f, 1.2f, 1.2f);
properties.Add(new Property(PropertyName.Scale, node.Scale));
}
void SetMatrix(List <Property> properties, Runtime.Node node)
{
var matrixT = Matrix4x4.CreateTranslation(new Vector3(-2, 2, -2));
var matrixR = Matrix4x4.CreateRotationY(FloatMath.Pi);
var matrixS = Matrix4x4.CreateScale(1.2f);
var matrixTRS = Matrix4x4.Multiply(Matrix4x4.Multiply(matrixS, matrixR), matrixT);
node.Matrix = matrixTRS;
properties.Add(new Property(PropertyName.Matrix, matrixTRS));
}
this.Models = new List <Model>
{
CreateModel((properties, node) => {
// There are no properties set on this model.
}),
CreateModel((properties, node) => {
SetTranslation(properties, node);
}),
CreateModel((properties, node) => {
SetTranslationX(properties, node);
}),
CreateModel((properties, node) => {
SetTranslationY(properties, node);
}),
CreateModel((properties, node) => {
SetTranslationZ(properties, node);
}),
CreateModel((properties, node) => {
SetRotation(properties, node);
}),
CreateModel((properties, node) => {
SetScale(properties, node);
}),
CreateModel((properties, node) => {
SetTranslation(properties, node);
SetRotation(properties, node);
SetScale(properties, node);
}),
CreateModel((properties, node) => {
SetMatrix(properties, node);
}),
};
GenerateUsedPropertiesList();
}
