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| void ModelLoader::processMesh(math::Matrix4f world, aiMesh *mesh, const aiScene *scene, Mesh* mnode, entity::Model* model, bool loadTextures) {
//world = world.transpose();
//std::lock_guard<std::recursive_mutex> lock(getGlobalMutex());
//std::cout<<"process mesh"<<std::endl;
/*SubMesh subMesh(device);
for (unsigned int i = 0; i < Material::NBTEXTYPES; i++)
subMesh.getMaterial().setTexture(nullptr, static_cast<Material::TexType>(i));*/
//Color diffuseColor;
std::vector<Texture*> diffuseMaps, specularMaps, normalMaps, metalnessMaps, roughnessMaps, aoMaps, emissiveMaps;
if(mesh->mMaterialIndex >= 0) {
//std::cout<<"load materials"<<std::endl;
aiMaterial *material = scene->mMaterials[mesh->mMaterialIndex];
/* aiColor4D color;
if (AI_SUCCESS == material->Get(AI_MATKEY_COLOR_DIFFUSE, color)) {
// color.r, color.g, color.b, color.a
diffuseColor.r = color.r;
diffuseColor.g = color.g;
diffuseColor.b = color.b;
diffuseColor.a = color.a;
//std::cout<<"color : "<<(int) diffuseColor.r<<std::endl;
}*/
if (loadTextures) {
//system("PAUSE");
diffuseMaps = loadMaterialTextures(scene, material,
aiTextureType_DIFFUSE);
for (unsigned int i = 0; i < diffuseMaps.size(); i++) {
diffuseMaps[i]->setTexType(entity::SubMesh::DIFFUSE);
//subMesh.getMaterial().setTexture(diffuseMaps[i], Material::DIFFUSE, i);
}
specularMaps = loadMaterialTextures(scene, material,
aiTextureType_SPECULAR);
for (unsigned int i = 0; i < specularMaps.size(); i++) {
specularMaps[i]->setTexType(entity::SubMesh::SPECULAR);
//subMesh.getMaterial().setTexture(specularMaps[i], Material::SPECULAR, i);
}
normalMaps = loadMaterialTextures(scene, material, aiTextureType_NORMALS);
for (unsigned int i = 0; i < normalMaps.size(); i++) {
//std::cout<<"normals"<<std::endl;
normalMaps[i]->setTexType(entity::SubMesh::NORMAL);
//subMesh.getMaterial().setTexture(normalMaps[i], Material::NORMAL,i);
}
metalnessMaps = loadMaterialTextures(scene, material, aiTextureType_METALNESS);
for (unsigned int i = 0; i < metalnessMaps.size(); i++) {
//std::cout<<"metalness"<<std::endl;
metalnessMaps[i]->setTexType(entity::SubMesh::METALNESS);
//subMesh.getMaterial().setTexture(metalnessMaps[i], Material::METALNESS, i);
}
roughnessMaps = loadMaterialTextures(scene, material, aiTextureType_DIFFUSE_ROUGHNESS);
for (unsigned int i = 0; i < roughnessMaps.size(); i++) {
//std::cout<<"roughness"<<std::endl;
roughnessMaps[i]->setTexType(entity::SubMesh::ROUGHNESS);
//subMesh.getMaterial().setTexture(roughnessMaps[i], Material::ROUGHNESS, i);
}
aoMaps = loadMaterialTextures(scene, material, aiTextureType_AMBIENT_OCCLUSION);
for (unsigned int i = 0; i < aoMaps.size(); i++) {
//std::cout<<"ao"<<std::endl;
aoMaps[i]->setTexType(entity::SubMesh::AO);
//subMesh.getMaterial().setTexture(aoMaps[i], Material::AO, i);
}
emissiveMaps = loadMaterialTextures(scene, material, aiTextureType_EMISSIVE);
for (unsigned int i = 0; i < emissiveMaps.size(); i++) {
//std::cout<<"emissive"<<std::endl;
emissiveMaps[i]->setTexType(entity::SubMesh::EMISSIVE);
//subMesh.getMaterial().setTexture(emissiveMaps[i], Material::EMISSIVE, i);
}
}
}
int upAxis = 1;
int upSign = 1;
int frontAxis = 2; // default Z-forward
int frontSign = 1;
int coordAxis = 0; // default X-right
int coordSign = 1;
if (scene->mMetaData) {
/*for (unsigned int i = 0; i < scene->mMetaData->mNumProperties; ++i) {
std::cout << scene->mMetaData->mKeys[i].C_Str() << std::endl;
}*/
scene->mMetaData->Get("UpAxis", upAxis);
scene->mMetaData->Get("UpAxisSign", upSign);
scene->mMetaData->Get("FrontAxis", frontAxis);
scene->mMetaData->Get("FrontAxisSign", frontSign);
scene->mMetaData->Get("CoordAxis", coordAxis);
scene->mMetaData->Get("CoordAxisSign", coordSign);
}
enum Axis { X = 0, Y = 1, Z = 2 };
Axis sceneUpAxis = (Axis)upAxis;
Axis sceneFrontAxis = (Axis)frontAxis;
Axis sceneCoordAxis = (Axis)coordAxis;
int sceneUpSign = upSign;
int sceneFrontSign = frontSign;
int sceneCoordSign = coordSign;
bool isLeftHandled = false;
float det = world.getDet();
bool isLeftHanded = false;
if (det < 0.0f) {
//std::cout<<"left handed!"<<std::endl;
isLeftHanded = true;
}
math::TransformMatrix axisCorrection, handednessCorrection, scaleCorrection;
axisCorrection.reset();
handednessCorrection.reset();
scaleCorrection.reset();
math::TransformMatrix zUpyUp;
zUpyUp.reset();
// 1. Correction UP (Z-up → Y-up)
if (sceneUpAxis == Axis::Z) {
//std::cout<<"up axis rotation"<<std::endl;
zUpyUp.setRotation(math::Vec3f(1.f,0.f,0.f), -90.f);
}
// 2. Correction FRONT (Y-forward → -Z-forward)
if (sceneFrontAxis == Axis::Y) {
//std::cout<<"front axis rotation"<<std::endl;
axisCorrection.setRotation(math::Vec3f(0.f,0.f,1.f), 180.f);
}
axisCorrection.combine(zUpyUp.getMatrix());
// 3. Correction handedness
if (isLeftHanded) {
axisCorrection.setScale(math::Vec3f(1.f,1.f,-1.f));
}
//std::cout<<"materials loaded : "<<mat.getTexture()<<std::endl;
std::vector<entity::Vertex> vertices;
vertices.resize(mesh->mNumVertices);
/*unsigned int uvCount = 0;
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; i++) {
if (mesh->mTextureCoords[i] != nullptr)
uvCount++;
}
std::cout<<"nb uvs : "<<uvCount<<std::endl;*/
for (unsigned int i = 0; i < mesh->mNumVertices; i++)
{
setVertexBoneDataToDefault(vertices[i]);
vertices[i].position[0] = mesh->mVertices[i].x;
vertices[i].position[1] = mesh->mVertices[i].y;
vertices[i].position[2] = mesh->mVertices[i].z;
if (mesh->mTextureCoords[0])
{
vertices[i].texCoords[0] = mesh->mTextureCoords[0][i].x/* * mat.getTexture()->getSize().x()*/;
vertices[i].texCoords[1] = mesh->mTextureCoords[0][i].y/* * mat.getTexture()->getSize().y()*/;
/*if (vertices[i].texCoords[0] == 0 && vertices[i].texCoords[1] == 0) {
std::cout<<"error!"<<std::endl;
}*/
/*std::cout<<"tex coords : "<<vertices[i].texCoords[0]<<std::endl;
std::cout<<"tex coords : "<<vertices[i].texCoords[1]<<std::endl;*/
} else {
vertices[i].texCoords = math::Vec2f(0.f, 0.f);
}
vertices[i].normal[0] = mesh->mNormals[i].x;
vertices[i].normal[1] = mesh->mNormals[i].y;
vertices[i].normal[2] = mesh->mNormals[i].z;
vertices[i].color = entity::Color::White;
}
extractBoneWeightForVertices(vertices, mesh, scene, model);
/*VertexBuffer vb(device, Triangles);
for (unsigned int i = 0; i < vertices.size(); i++) {
//std::cout<<"add vertex"<<std::endl;
vb.append(vertices[i]);
}
physic::BoundingBox bounds = vb.getBounds();*/
/*if (bounds.getSize().x() > 1000 && bounds.getSize().y() > 1000 && bounds.getSize().z() > 1000) {
//std::cout<<"scale correction."<<std::endl;
scaleCorrection.setScale(math::Vec3f(0.01f, 0.01f, 0.01f));
}
math::Matrix4f finalCorrection = scaleCorrection.getMatrix() *
axisCorrection.getMatrix() *
handednessCorrection.getMatrix();
math::Matrix4f finalTransform = world * finalCorrection;
//std::cout<<"final transform : "<<finalTransform<<std::endl;
if (!isSkinned) {
for (unsigned int i = 0; i < vb.getVertexCount(); i++) {
vb[i].position = finalTransform * vb[i].position;
vb[i].normal = finalCorrection * -vb[i].normal;
//std::cout<<"vertex position : "<<vb[i].position<<std::endl;
}
}*/
std::vector<uint32_t> indexes;
/*entity::VertexArray va(entity::Triangles) ;
unsigned int baseIndex = 0;*/
for(unsigned int i = 0; i < mesh->mNumFaces; i++)
{
aiFace face = mesh->mFaces[i];
//std::cout<<"add face : "<<face.mNumIndices<<std::endl;
for(unsigned int j = 0; j < face.mNumIndices; j++) {
indexes.push_back(face.mIndices[j]);
//std::cout<<"index : "<<face.mIndices[j]<<std::endl;
/*va.append(vertices[face.mIndices[j]]);
va.addIndex(va.getVertexCount()-1);*/
}
//baseIndex += face.mNumIndices;
}
/*math::Vec3f center = vb.getBounds().getCenter();
math::Vec3f worldPos = finalTransform * center;
std::cout << "Mesh world pos = " << worldPos << std::endl;*/
//std::cout<<"vertices loaded"<<std::endl;
//model->setSize(vb.getBounds().getSize());
//std::cout<<"bone loaded"<<std::endl;
//std::cout<<"vertices : "<<vb.getVertexCount()<<std::endl;
//std::cout<<"indexes : "<<vb.getIndexCount()<<std::endl;
/*if (mat.getTexture() == nullptr) {
std::cout<<"material id : "<<mat.getId()<<std::endl;
} else {
//std::cout<<"texture"<<std::endl;
}*/
//math::Vec3f currentSize = model->getSize();
//if (!device.areMeshShadersSupported()) {
entity::SubMesh subMesh;
Material* material = new Material();
for (unsigned int i = 0; i < entity::SubMesh::NBTEXTYPES; i++)
material->setTexture(nullptr, static_cast<entity::SubMesh::TexType>(i));
for (unsigned int i = 0; i < diffuseMaps.size(); i++) {
//diffuseMaps[i]->setTexType(Material::DIFFUSE);
//std::cout<<"diffuse : "<<diffuseMaps[i]->getId()<<std::endl;
material->setTexture(diffuseMaps[i], entity::SubMesh::DIFFUSE, i);
}
for (unsigned int i = 0; i < specularMaps.size(); i++) {
//specularMaps[i]->setTexType(Material::SPECULAR);
material->setTexture(specularMaps[i], entity::SubMesh::SPECULAR, i);
}
for (unsigned int i = 0; i < normalMaps.size(); i++) {
//std::cout<<"normals"<<std::endl;
//normalMaps[i]->setTexType(Material::NORMAL);
//std::cout<<"specular : "<<specularMaps[i]->getId()<<std::endl;
material->setTexture(normalMaps[i], entity::SubMesh::NORMAL,i);
}
for (unsigned int i = 0; i < metalnessMaps.size(); i++) {
//std::cout<<"metalness"<<std::endl;
//metalnessMaps[i]->setTexType(Material::METALNESS);
material->setTexture(metalnessMaps[i], entity::SubMesh::METALNESS, i);
}
for (unsigned int i = 0; i < roughnessMaps.size(); i++) {
//std::cout<<"roughness"<<std::endl;
//roughnessMaps[i]->setTexType(Material::ROUGHNESS);
material->setTexture(roughnessMaps[i], entity::SubMesh::ROUGHNESS, i);
}
for (unsigned int i = 0; i < aoMaps.size(); i++) {
//std::cout<<"ao"<<std::endl;
//aoMaps[i]->setTexType(Material::AO);
material->setTexture(aoMaps[i], entity::SubMesh::AO, i);
}
for (unsigned int i = 0; i < emissiveMaps.size(); i++) {
//std::cout<<"emissive"<<std::endl;
//emissiveMaps[i]->setTexType(Material::EMISSIVE);
material->setTexture(emissiveMaps[i], entity::SubMesh::EMISSIVE, i);
}
entity::VertexArray va(entity::PrimitiveType::Triangles);
va.resize(vertices.size(), indexes.size());
for (unsigned int i = 0; i < vertices.size(); i++) {
va[i] = vertices[i];
}
for (unsigned int i = 0; i < indexes.size(); i++) {
va.setIndex(i, indexes[i]);
}
physic::BoundingBox bounds = va.getBounds();
//std::cout<<"bounds : "<<bounds.getSize()<<std::endl;
if (bounds.getSize().x() > 1000 && bounds.getSize().y() > 1000 && bounds.getSize().z() > 1000) {
//std::cout<<"scale correction."<<std::endl;
scaleCorrection.setScale(math::Vec3f(0.01f, 0.01f, 0.01f));
}
math::Matrix4f finalCorrection = scaleCorrection.getMatrix() *
axisCorrection.getMatrix() *
handednessCorrection.getMatrix();
math::Matrix4f finalTransform = world * finalCorrection;
//std::cout<<"final transform : "<<finalTransform<<std::endl;
if (!isSkinned) {
for (unsigned int i = 0; i < va.getVertexCount(); i++) {
va[i].position = finalTransform * va[i].position;
va[i].normal = finalCorrection * -va[i].normal;
//std::cout<<"vertex position : "<<vb[i].position<<std::endl;
}
} |
Raz le bol du réfractor infini.
Répondre avec citation
Envoyé par Laurent7601
Keep calm and debug it 
.
).
Si les indices seraient mauvais je crois que mes modèles sketechfab ne s'afficheraient pas correctement alors ça doit être la transformation des sommets lors du chargement des meshes qui n'est pas bonne ici :
.Est-ce vraiment utile ?
.
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