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GLTF WIP

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This commit is contained in:
sabrina-shanman 2019-10-04 14:51:55 -07:00
parent 30680e027b
commit da4ffcd91b
1 changed files with 7 additions and 22 deletions
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29
libraries/fbx/src/GLTFSerializer.cpp
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@ -1005,8 +1005,6 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const hifi::VariantHash&
// Build joints
HFMJoint joint;
hfmModel.jointIndices["x"] = numNodes;
QVector<glm::mat4> globalTransforms;
globalTransforms.resize(numNodes);
for (int nodeIndex = 0; nodeIndex < numNodes; ++nodeIndex) {
auto& node = _file.nodes[nodeIndex];
@ -1022,10 +1020,12 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const hifi::VariantHash&
joint.rotation = glmExtractRotation(joint.transform);
glm::vec3 scale = extractScale(joint.transform);
joint.postTransform = glm::scale(glm::mat4(), scale);
globalTransforms[nodeIndex] = joint.transform;
if (joint.parentIndex != -1) {
globalTransforms[nodeIndex] = globalTransforms[joint.parentIndex] * globalTransforms[nodeIndex];
joint.globalTransform = joint.transform;
// Nodes are sorted, so we can apply the full transform just by getting the global transform of the already defined parent
if (joint.parentIndex != -1 && joint.parentIndex != nodeIndex) {
const auto& parentJoint = hfmModel.joints[(size_t)nodeIndex];
joint.globalTransform = parentJoint.globalTransform * joint.globalTransform;
}
joint.name = node.name;
@ -1368,7 +1368,6 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const hifi::VariantHash&
mesh.normals.push_back(glm::vec3(normals[n], normals[n + 1], normals[n + 2]));
}
// TODO: add correct tangent generation
if (tangents.size() == partVerticesCount * tangentStride) {
mesh.tangents.reserve(partVerticesCount);
for (int n = 0; n < tangents.size(); n += tangentStride) {
@ -1582,22 +1581,8 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const hifi::VariantHash&
}
}
}
}
#if 0
for(const glm::vec3& vertex : mesh.vertices) {
glm::vec3 transformedVertex = glm::vec3(globalTransforms[nodeIndex] * glm::vec4(vertex, 1.0f));
mesh.meshExtents.addPoint(transformedVertex);
hfmModel.meshExtents.addPoint(transformedVertex);
}
#endif
}
}
// Add epsilon to mesh extents to compensate for planar meshes
mesh.meshExtents.minimum -= glm::vec3(EPSILON, EPSILON, EPSILON);
mesh.meshExtents.maximum += glm::vec3(EPSILON, EPSILON, EPSILON);
hfmModel.meshExtents.minimum -= glm::vec3(EPSILON, EPSILON, EPSILON);
hfmModel.meshExtents.maximum += glm::vec3(EPSILON, EPSILON, EPSILON);
}
@ -1611,7 +1596,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const hifi::VariantHash&
int primCount = (int)mesh.primitives.size();
for (int primIndex = 0; primIndex < primCount; ++primIndex) {
const auto& primitive = mesh.primitives[primIndex];
hfmModel.shapes.push_back({});
hfmModel.shapes.emplace_back();
auto& hfmShape = hfmModel.shapes.back();
hfmShape.transform = nodeIndex;
hfmShape.mesh = node.mesh;