void CopyFileForResources(string pathOrigin)
{
if (File.Exists(pathOrigin))
{
//string pathResources = Application.streamingAssetsPath;
string pathResources = @"C:\git\poc-tcc\augmented-reality\Assets\MarkerBasedARExample\Resources\Gift3.fbx";
File.Copy(pathOrigin, pathResources, true);
PropertiesModel.NameObjectSelected = pathOrigin;
//string url = $"file:///{pathOrigin}";
using (AssimpContext assimp = new AssimpContext())
{
assimp.SetConfig(new Assimp.Configs.MeshVertexLimitConfig(60000));
assimp.SetConfig(new Assimp.Configs.MeshTriangleLimitConfig(60000));
assimp.SetConfig(new Assimp.Configs.RemoveDegeneratePrimitivesConfig(true));
assimp.SetConfig(new Assimp.Configs.SortByPrimitiveTypeConfig(Assimp.PrimitiveType.Line | Assimp.PrimitiveType.Point));
PostProcessSteps postProcessSteps = PostProcessSteps.SplitLargeMeshes |
PostProcessSteps.OptimizeGraph |
PostProcessSteps.OptimizeMeshes |
PostProcessSteps.Triangulate |
PostProcessSteps.SortByPrimitiveType |
PostProcessPreset.TargetRealTimeMaximumQuality |
PostProcessSteps.FlipWindingOrder;
Assimp.Scene scene = assimp.ImportFile(pathOrigin, postProcessSteps);
print("rootNode name: " + scene.RootNode.Name);
MainNodeFBX mainNodeFBX = new MainNodeFBX();
PropertiesModel.ImportedExternalObject = new GameObject(scene.RootNode.Name);
ImportNode(scene.RootNode, mainNodeFBX, scene, PropertiesModel.ImportedExternalObject);
DontDestroyOnLoad(PropertiesModel.ImportedExternalObject);
SceneManager.LoadScene("ObjectSelectMarkerLessScene");
}
}
}
void ImportNode(Node refNode, MainNodeFBX newNode, Assimp.Scene model, GameObject go)
{
if (refNode.HasChildren)
{
//create new array of node children
newNode.children = new MainNodeFBX[refNode.ChildCount];
print(" node: " + refNode.Name + " nombre d'enfant: " + refNode.ChildCount);
print("type du node: " + refNode.GetType().ToString());
for (int i = 0; i < refNode.ChildCount; i++)
{
//create the child node
newNode.children[i] = new MainNodeFBX();
//create the game object for the node
GameObject childGo = new GameObject();
MeshFilter mf = childGo.AddComponent(typeof(MeshFilter)) as MeshFilter;
MeshRenderer mr = childGo.AddComponent(typeof(MeshRenderer)) as MeshRenderer;
childGo.transform.parent = go.transform;
childGo.name = refNode.Children[i].Name;
//Set transform
Assimp.Vector3D position, scaling;
Assimp.Quaternion rotation;
refNode.Transform.Decompose(out scaling, out rotation, out position);
childGo.transform.localPosition = new Vector3(position.X, position.Z, position.Y);
childGo.transform.localRotation = new UnityEngine.Quaternion(rotation.X, rotation.Z, rotation.Y, rotation.W);
childGo.transform.localScale = new Vector3(scaling.X, scaling.Z, scaling.Y);
//recursive methode to get all the children node
ImportNode(refNode.Children[i], newNode.children[i], model, childGo);
}
}
if (refNode.HasMeshes)
{
//create array of meshes of this
newNode.meshes = new UnityEngine.Mesh[refNode.MeshCount];
print("final node : " + refNode.Name + "a comme enfant: " + refNode.MeshCount);
print("type du node: " + refNode.GetType().ToString());
//create the game object for the mesh
/* */
for (int i = 0; i < refNode.MeshCount; i++)
{
GameObject childGo = new GameObject();
MeshFilter mf = childGo.AddComponent(typeof(MeshFilter)) as MeshFilter;
MeshRenderer mr = childGo.AddComponent(typeof(MeshRenderer)) as MeshRenderer;
childGo.transform.parent = go.transform;
childGo.name = i.ToString();
print("nb faces: " + model.Meshes[refNode.MeshIndices[i]].FaceCount);
//set tranform
Assimp.Vector3D position, scaling;
Assimp.Quaternion rotation;
refNode.Transform.Decompose(out scaling, out rotation, out position);
childGo.transform.localPosition = new Vector3(position.X, position.Z, -position.Y);
childGo.transform.localRotation = new UnityEngine.Quaternion(rotation.X, rotation.Z, rotation.Y, rotation.W);
childGo.transform.localScale = new Vector3(scaling.X, scaling.Z, scaling.Y);
List <Vector3> verticeTmp = new List <Vector3>();
//get vertices from model
Vector3 VectTmp = new Vector3();
for (int j = 0; j < model.Meshes[refNode.MeshIndices[i]].VertexCount; j++)
{
VectTmp = new Vector3(model.Meshes[refNode.MeshIndices[i]].Vertices[j].X,
model.Meshes[refNode.MeshIndices[i]].Vertices[j].Z,
model.Meshes[refNode.MeshIndices[i]].Vertices[j].Y);//warning axe Y et Z inverse
verticeTmp.Add(VectTmp);
}
//set normal : actually doesn’t work
/* var norm = model.Meshes[refNode.MeshIndices[i]].HasNormals ? model.Meshes[refNode.MeshIndices[i]].Normals[i] : new Vector3D();
* var texC = model.Meshes[refNode.MeshIndices[i]].HasTextureCoords(0) ? model.Meshes[refNode.MeshIndices[i]].GetTextureCoords(0)[i] : new Vector3D();
* var tan = model.Meshes[refNode.MeshIndices[i]].HasTangentBasis ? model.Meshes[refNode.MeshIndices[i]].Tangents[i] : new Vector3D();
* newNode.meshes[i].normals[0].x = norm.X;
* newNode.meshes[i].normals[0].y = norm.Y;
* newNode.meshes[i].normals[0].z = norm.Z;*/
//set vertices and triangle
newNode.meshes[i] = new UnityEngine.Mesh();
newNode.meshes[i].SetVertices(verticeTmp);
newNode.meshes[i].triangles = model.Meshes[i].GetIndices();
//draw the mesh
mf.mesh = newNode.meshes[i];
}
}
}