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Fix async flatten of node without parents

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rdb 2016-09-14 17:29:02 +02:00
parent 18085a7cb1
commit 9904980ce4
2 changed files with 13 additions and 3 deletions
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1
doc/ReleaseNotes
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@ -34,6 +34,7 @@ This issue fixes several bugs that were still found in 1.9.2.
* Support for InvSphere, Box and Tube solids in bam2egg
* Add normalized() method to vectors
* asyncFlattenStrong with inPlace=True caused node to disappear
* Fix asyncFlattenStrong called on nodes without parent
------------------------ RELEASE 1.9.2 ------------------------

13
panda/src/pgraph/modelFlattenRequest.cxx
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@ -25,10 +25,19 @@ TypeHandle ModelFlattenRequest::_type_handle;
////////////////////////////////////////////////////////////////////
AsyncTask::DoneStatus ModelFlattenRequest::
do_task() {
// We make another instance of the original node, so we can safely
// flatten that without affecting the original copy.
// We make another instance of the original node, so we can safely flatten
// that without affecting the original copy.
NodePath np("flatten_root");
// Except if we try to attach a node without parents, this will cause the
// original NodePath to be affected, so we have to make a (shallow) copy.
if (_orig->get_num_parents() == 0) {
PT(PandaNode) copy = _orig->make_copy();
copy->copy_children(_orig);
np.attach_new_node(copy);
} else {
np.attach_new_node(_orig);
}
np.flatten_strong();
_model = np.get_child(0).node();
_is_ready = true;