Panda3D

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modelFlattenRequest.cxx
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file modelFlattenRequest.cxx
10 * @author drose
11 * @date 2007-03-30
12 */
13
14#include "modelFlattenRequest.h"
15#include "nodePath.h"
16
17 TypeHandle ModelFlattenRequest::_type_handle;
18
19/**
20 * Performs the task: that is, copies and flattens the model.
21 */
22AsyncTask::DoneStatus ModelFlattenRequest::
23do_task() {
24 // We make another instance of the original node, so we can safely flatten
25 // that without affecting the original copy.
26 NodePath np("flatten_root");
27
28 // Except if we try to attach a node without parents, this will cause the
29 // original NodePath to be affected, so we have to make a (shallow) copy.
30 if (_orig->get_num_parents() == 0) {
31 PT(PandaNode) copy = _orig->make_copy();
32 copy->copy_children(_orig);
33 np.attach_new_node(copy);
34 } else {
35 np.attach_new_node(_orig);
36 }
37 np.flatten_strong();
38
39 set_result(np.get_child(0).node());
40
41 // Don't continue the task; we're done.
42 return DS_done;
43}
AsyncFuture::set_result
void set_result(std::nullptr_t)
Sets this future's result.
Definition asyncFuture.I:92
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
modelFlattenRequest.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
nodePath.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.