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Fix nodes being incorrectly treated as bones

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Some nodes have aiBones created by AssImp even though they aren't bones.  Filter these out by looking through the node graph and only considering

Signed-off-by: amzn-mike <80125227+amzn-mike@users.noreply.github.com>
This commit is contained in:
amzn-mike
2021-06-29 15:14:33 -05:00
parent e1f6d45b04
commit 598c890cbc
2 changed files with 53 additions and 48 deletions
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Code/Tools/SceneAPI/FbxSceneBuilder/Importers/AssImpTransformImporter.cpp
+26 -3
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@@ -42,9 +42,29 @@ namespace AZ
}
}
void GetAllBones(
const aiScene* scene, AZStd::unordered_multimap<AZStd::string, const aiBone*>& boneLookup)
void GetAllBones(const aiScene* scene, AZStd::unordered_multimap<AZStd::string, const aiBone*>& boneLookup)
{
AZStd::queue<const aiNode*> queue;
AZStd::unordered_set<AZStd::string> nodesWithNoMesh;
queue.push(scene->mRootNode);
while (!queue.empty())
{
const aiNode* currentNode = queue.front();
queue.pop();
if (currentNode->mNumMeshes == 0)
{
nodesWithNoMesh.emplace(currentNode->mName.C_Str());
}
for (int childIndex = 0; childIndex < currentNode->mNumChildren; ++childIndex)
{
queue.push(currentNode->mChildren[childIndex]);
}
}
for (unsigned meshIndex = 0; meshIndex < scene->mNumMeshes; ++meshIndex)
{
const aiMesh* mesh = scene->mMeshes[meshIndex];
@@ -53,7 +73,10 @@ namespace AZ
{
const aiBone* bone = mesh->mBones[boneIndex];
boneLookup.emplace(bone->mName.C_Str(), bone);
if (nodesWithNoMesh.contains(bone->mName.C_Str()))
{
boneLookup.emplace(bone->mName.C_Str(), bone);
}
}
}
}