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Add support for shape generation for obj serializer

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This commit is contained in:
Sam Gateau 2019-10-17 14:53:32 -07:00
parent 01bb8fa601
commit 55ed7d9a53
1 changed files with 30 additions and 13 deletions
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43
libraries/fbx/src/OBJSerializer.cpp
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@ -678,14 +678,17 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
hfmModel.meshExtents.reset();
hfmModel.meshes.push_back(HFMMesh());
std::vector<QString> materialNamePerShape;
try {
// call parseOBJGroup as long as it's returning true. Each successful call will
// add a new meshPart to the model's single mesh.
while (parseOBJGroup(tokenizer, mapping, hfmModel, scaleGuess, combineParts)) {}
HFMMesh& mesh = hfmModel.meshes[0];
mesh.meshIndex = 0;
uint32_t meshIndex = 0;
HFMMesh& mesh = hfmModel.meshes[meshIndex];
mesh.meshIndex = meshIndex;
uint32_t jointIndex = 0;
hfmModel.joints.resize(1);
hfmModel.joints[0].parentIndex = -1;
hfmModel.joints[0].distanceToParent = 0;
@ -697,14 +700,6 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
hfmModel.jointIndices["x"] = 1;
HFMCluster cluster;
cluster.jointIndex = 0;
cluster.inverseBindMatrix = glm::mat4(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1);
mesh.clusters.append(cluster);
QMap<QString, int> materialMeshIdMap;
std::vector<HFMMeshPart> hfmMeshParts;
for (uint32_t i = 0, meshPartCount = 0; i < (uint32_t)mesh.parts.size(); i++, meshPartCount++) {
@ -718,12 +713,13 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
// Create a new HFMMesh for this material mapping.
materialMeshIdMap.insert(face.materialName, materialMeshIdMap.count());
uint32_t partIndex = (int)hfmMeshParts.size();
hfmMeshParts.push_back(HFMMeshPart());
HFMMeshPart& meshPartNew = hfmMeshParts.back();
meshPartNew.quadIndices = QVector<int>(meshPart.quadIndices); // Copy over quad indices [NOTE (trent/mittens, 4/3/17): Likely unnecessary since they go unused anyway].
meshPartNew.quadTrianglesIndices = QVector<int>(meshPart.quadTrianglesIndices); // Copy over quad triangulated indices [NOTE (trent/mittens, 4/3/17): Likely unnecessary since they go unused anyway].
meshPartNew.triangleIndices = QVector<int>(meshPart.triangleIndices); // Copy over triangle indices.
// Do some of the material logic (which previously lived below) now.
// All the faces in the same group will have the same name and material.
QString groupMaterialName = face.materialName;
@ -745,8 +741,15 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
needsMaterialLibrary = groupMaterialName != SMART_DEFAULT_MATERIAL_NAME;
}
materials[groupMaterialName] = material;
meshPartNew.materialID = groupMaterialName;
materialNamePerShape.push_back(groupMaterialName);
}
hfm::Shape shape;
shape.mesh = meshIndex;
shape.joint = jointIndex;
shape.meshPart = partIndex;
hfmModel.shapes.push_back(shape);
}
}
}
@ -829,12 +832,15 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
mesh.meshExtents.addPoint(vertex);
hfmModel.meshExtents.addPoint(vertex);
}
// hfmDebugDump(hfmModel);
} catch(const std::exception& e) {
qCDebug(modelformat) << "OBJSerializer fail: " << e.what();
}
// At this point, the hfmModel joint, mesh, parts and shpaes have been defined
// only no material assigned
QString queryPart = _url.query();
bool suppressMaterialsHack = queryPart.contains("hifiusemat"); // If this appears in query string, don't fetch mtl even if used.
OBJMaterial& preDefinedMaterial = materials[SMART_DEFAULT_MATERIAL_NAME];
@ -886,6 +892,8 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
}
}
// As we are populating the material list in the hfmModel, let s also create the reverse map (from materialName to index)
QMap<QString, uint32_t> materialNameToIndex;
foreach (QString materialID, materials.keys()) {
OBJMaterial& objMaterial = materials[materialID];
if (!objMaterial.used) {
@ -898,6 +906,7 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
objMaterial.shininess,
objMaterial.opacity);
HFMMaterial& hfmMaterial = hfmModel.materials.back();
materialNameToIndex[materialID] = hfmModel.materials.size();
hfmMaterial.name = materialID;
hfmMaterial.materialID = materialID;
@ -997,6 +1006,14 @@ HFMModel::Pointer OBJSerializer::read(const hifi::ByteArray& data, const hifi::V
modelMaterial->setOpacity(hfmMaterial.opacity);
}
// GO over the shapes once more to assign hte material index correctly
for (int i = 0; i < hfmModel.shapes.size(); ++i) {
auto foundMaterialIndex = materialNameToIndex.find(materialNamePerShape[i]);
if (foundMaterialIndex != materialNameToIndex.end()) {
hfmModel.shapes[i].material = foundMaterialIndex.value();
}
}
return hfmModelPtr;
}