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chore: fix invalid sign when loading gltf

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Jan 2024-09-03 22:04:14 +02:00
parent 0bd581ef75
commit 36bc3cf7a3
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2 changed files with 14 additions and 14 deletions
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4
src/ObjLoading/XModel/Gltf/GltfLoader.cpp
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@ -467,8 +467,8 @@ namespace
if (node.rotation)
{
bone.localRotation.x = (*node.rotation)[0];
bone.localRotation.y = (*node.rotation)[2];
bone.localRotation.z = -(*node.rotation)[1];
bone.localRotation.y = -(*node.rotation)[2];
bone.localRotation.z = (*node.rotation)[1];
bone.localRotation.w = (*node.rotation)[3];
}
else

24
src/ObjWriting/XModel/Gltf/GltfWriter.cpp
View File

@ -210,46 +210,46 @@ namespace
return textureIndex;
}
void CreateSkeletonNodes(JsonRoot& gltf, const XModelCommon& xmodel)
void CreateSkeletonNodes(JsonRoot& gltf, const XModelCommon& common)
{
if (xmodel.m_bones.empty())
if (common.m_bones.empty())
return;
if (!gltf.nodes.has_value())
gltf.nodes.emplace();
const auto boneCount = xmodel.m_bones.size();
const auto boneCount = common.m_bones.size();
m_first_bone_node = gltf.nodes->size();
for (auto boneIndex = 0u; boneIndex < boneCount; boneIndex++)
{
JsonNode boneNode;
const auto& bone = xmodel.m_bones[boneIndex];
const auto& bone = common.m_bones[boneIndex];
Eigen::Vector3f translation(bone.globalOffset[0], bone.globalOffset[2], -bone.globalOffset[1]);
Eigen::Quaternionf rotation(bone.globalRotation.w, bone.globalRotation.x, bone.globalRotation.z, -bone.globalRotation.y);
Eigen::Vector3f translation(bone.globalOffset[0], bone.globalOffset[1], bone.globalOffset[2]);
Eigen::Quaternionf rotation(bone.globalRotation.w, bone.globalRotation.x, bone.globalRotation.y, bone.globalRotation.z);
if (bone.parentIndex)
{
const auto& parentBone = xmodel.m_bones[*bone.parentIndex];
const auto& parentBone = common.m_bones[*bone.parentIndex];
const auto inverseParentRotation =
Eigen::Quaternionf(parentBone.globalRotation.w, parentBone.globalRotation.x, parentBone.globalRotation.z, -parentBone.globalRotation.y)
Eigen::Quaternionf(parentBone.globalRotation.w, parentBone.globalRotation.x, parentBone.globalRotation.y, parentBone.globalRotation.z)
.normalized()
.inverse()
.normalized();
translation -= Eigen::Vector3f(parentBone.globalOffset[0], parentBone.globalOffset[2], -parentBone.globalOffset[1]);
translation -= Eigen::Vector3f(parentBone.globalOffset[0], parentBone.globalOffset[1], parentBone.globalOffset[2]);
translation = inverseParentRotation * translation;
rotation = inverseParentRotation * rotation;
}
rotation.normalize();
boneNode.name = bone.name;
boneNode.translation = std::to_array({translation.x(), translation.y(), translation.z()});
boneNode.rotation = std::to_array({rotation.x(), rotation.y(), rotation.z(), rotation.w()});
boneNode.translation = std::to_array({translation.x(), translation.z(), -translation.y()});
boneNode.rotation = std::to_array({rotation.x(), rotation.z(), -rotation.y(), rotation.w()});
std::vector<unsigned> children;
for (auto maybeChildIndex = 0u; maybeChildIndex < boneCount; maybeChildIndex++)
{
if (xmodel.m_bones[maybeChildIndex].parentIndex && *xmodel.m_bones[maybeChildIndex].parentIndex == boneIndex)
if (common.m_bones[maybeChildIndex].parentIndex && *common.m_bones[maybeChildIndex].parentIndex == boneIndex)
children.emplace_back(maybeChildIndex + m_first_bone_node);
}
if (!children.empty())