Merge pull request #3916 from jagoon/fix-fbx-exporter2

Fix fbx exporter bug if root node contains meshes.
pull/3873/head^2
Kim Kulling 2021-06-07 21:20:18 +02:00 committed by GitHub
commit cdc1bf8e10
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 14 deletions

View File

@ -541,10 +541,17 @@ void FBXExporter::WriteReferences ()
// (before any actual data is written)
// ---------------------------------------------------------------
size_t count_nodes(const aiNode* n) {
size_t count = 1;
size_t count_nodes(const aiNode* n, const aiNode* root) {
size_t count;
if (n == root) {
count = n->mNumMeshes; // (not counting root node)
} else if (n->mNumMeshes > 1) {
count = n->mNumMeshes + 1;
} else {
count = 1;
}
for (size_t i = 0; i < n->mNumChildren; ++i) {
count += count_nodes(n->mChildren[i]);
count += count_nodes(n->mChildren[i], root);
}
return count;
}
@ -714,7 +721,7 @@ void FBXExporter::WriteDefinitions ()
// Model / FbxNode
// <~~ node hierarchy
count = int32_t(count_nodes(mScene->mRootNode)) - 1; // (not counting root node)
count = int32_t(count_nodes(mScene->mRootNode, mScene->mRootNode));
if (count) {
n = FBX::Node("ObjectType", "Model");
n.AddChild("Count", count);
@ -2625,17 +2632,14 @@ void FBXExporter::WriteModelNodes(
],
new_node_uid
);
// write model node
FBX::Node m("Model");
aiNode new_node;
// take name from mesh name, if it exists
std::string name = mScene->mMeshes[node->mMeshes[i]]->mName.C_Str();
name += FBX::SEPARATOR + "Model";
m.AddProperties(new_node_uid, name, "Mesh");
m.AddChild("Version", int32_t(232));
FBX::Node p("Properties70");
p.AddP70enum("InheritType", 1);
m.AddChild(p);
m.Dump(outstream, binary, 1);
new_node.mName = mScene->mMeshes[node->mMeshes[i]]->mName;
// write model node
WriteModelNode(
outstream, binary, &new_node, new_node_uid, "Mesh", std::vector<std::pair<std::string,aiVector3D>>()
);
}
}