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Assembly: Fix infinite loop with subassembly. Fix #19319 (#22685)

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* Assembly: Fix infinite loop with subassembly. Fix #19319

* squash

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update AssemblyObject.h

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
PaddleStroke
2025-07-25 00:11:24 +02:00
committed by GitHub
parent 983ec3815c
commit e141cb7a49
3 changed files with 28 additions and 40 deletions
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51
src/Mod/Assembly/App/AssemblyObject.cpp
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@@ -559,8 +559,10 @@ std::shared_ptr<ASMTAssembly> AssemblyObject::makeMbdAssembly()
return assembly;
}
App::DocumentObject* AssemblyObject::getJointOfPartConnectingToGround(App::DocumentObject* part,
std::string& name)
App::DocumentObject* AssemblyObject::getJointOfPartConnectingToGround(
App::DocumentObject* part,
std::string& name,
const std::vector<App::DocumentObject*>& excludeJoints)
{
if (!part) {
return nullptr;
@@ -572,6 +574,11 @@ App::DocumentObject* AssemblyObject::getJointOfPartConnectingToGround(App::Docum
if (!joint) {
continue;
}
if (std::ranges::find(excludeJoints, joint) != excludeJoints.end()) {
continue;
}
App::DocumentObject* part1 = getMovingPartFromRef(this, joint, "Reference1");
App::DocumentObject* part2 = getMovingPartFromRef(this, joint, "Reference2");
if (!part1 || !part2) {
@@ -1882,43 +1889,19 @@ std::vector<ObjRef> AssemblyObject::getDownstreamParts(App::DocumentObject* part
return downstreamParts;
}
std::vector<App::DocumentObject*> AssemblyObject::getUpstreamParts(App::DocumentObject* part,
int limit)
{
if (!part) {
return {};
}
if (limit > 1000) { // Infinite loop protection
return {};
}
limit++;
if (isPartGrounded(part)) {
return {part};
}
std::string name;
App::DocumentObject* connectingJoint = getJointOfPartConnectingToGround(part, name);
App::DocumentObject* upPart =
getMovingPartFromRef(this,
connectingJoint,
name == "Reference1" ? "Reference2" : "Reference1");
std::vector<App::DocumentObject*> upstreamParts = getUpstreamParts(upPart, limit);
upstreamParts.push_back(part);
return upstreamParts;
}
App::DocumentObject* AssemblyObject::getUpstreamMovingPart(App::DocumentObject* part,
App::DocumentObject*& joint,
std::string& name)
App::DocumentObject*
AssemblyObject::getUpstreamMovingPart(App::DocumentObject* part,
App::DocumentObject*& joint,
std::string& name,
std::vector<App::DocumentObject*> excludeJoints)
{
if (!part || isPartGrounded(part)) {
return nullptr;
}
joint = getJointOfPartConnectingToGround(part, name);
excludeJoints.push_back(joint);
joint = getJointOfPartConnectingToGround(part, name, excludeJoints);
JointType jointType = getJointType(joint);
if (jointType != JointType::Fixed) {
return part;