Panda3D
Loading...
Searching...
No Matches
cLwoLayer.cxx
Go to the documentation of this file.
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 cLwoLayer.cxx
10 * @author drose
11 * @date 2001-04-25
12 */
13
14#include "cLwoLayer.h"
15#include "lwoToEggConverter.h"
16
17#include "eggData.h"
18
19
20/**
21 * Creates the egg structures associated with this Lightwave object.
22 */
24make_egg() {
25 _egg_group = new EggGroup(_layer->_name);
26
27 if (_layer->_pivot != LPoint3::zero()) {
28 // If we have a nonzero pivot point, that's a translation transform.
29 LPoint3d translate = LCAST(double, _layer->_pivot);
30 _egg_group->set_transform3d(LMatrix4d::translate_mat(translate));
31 _egg_group->set_group_type(EggGroup::GT_instance);
32 }
33}
34
35/**
36 * Connects all the egg structures together.
37 */
40 if (_layer->_parent != -1) {
41 const CLwoLayer *parent = _converter->get_layer(_layer->_parent);
42 if (parent != nullptr) {
43 parent->_egg_group->add_child(_egg_group.p());
44 return;
45 }
46
47 nout << "No layer found with number " << _layer->_parent
48 << "; cannot parent layer " << _layer->_number << " properly.\n";
49 }
50
51 _converter->get_egg_data()->add_child(_egg_group.p());
52}
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
This class is a wrapper around LwoLayer and stores additional information useful during the conversio...
Definition cLwoLayer.h:29
void make_egg()
Creates the egg structures associated with this Lightwave object.
Definition cLwoLayer.cxx:24
void connect_egg()
Connects all the egg structures together.
Definition cLwoLayer.cxx:39
EggNode * add_child(EggNode *node)
Adds the indicated child to the group and returns it.
The main glue of the egg hierarchy, this corresponds to the <Group>, <Instance>, and <Joint> type nod...
Definition eggGroup.h:34
CLwoLayer * get_layer(int number) const
Returns a pointer to the layer with the given index number, or NULL if there is no such layer.
EggData * get_egg_data()
Returns the EggData structure.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.