Panda3D

cLwoLayer.cxx

00001 // Filename: cLwoLayer.cxx
00002 // Created by:  drose (25Apr01)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #include "cLwoLayer.h"
00016 #include "lwoToEggConverter.h"
00017 
00018 #include "eggData.h"
00019 
00020 
00021 ////////////////////////////////////////////////////////////////////
00022 //     Function: CLwoLayer::make_egg
00023 //       Access: Public
00024 //  Description: Creates the egg structures associated with this
00025 //               Lightwave object.
00026 ////////////////////////////////////////////////////////////////////
00027 void CLwoLayer::
00028 make_egg() {
00029   _egg_group = new EggGroup(_layer->_name);
00030 
00031   if (_layer->_pivot != LPoint3::zero()) {
00032     // If we have a nonzero pivot point, that's a translation
00033     // transform.
00034     LPoint3d translate = LCAST(double, _layer->_pivot);
00035     _egg_group->set_transform3d(LMatrix4d::translate_mat(translate));
00036     _egg_group->set_group_type(EggGroup::GT_instance);
00037   }
00038 }
00039 
00040 ////////////////////////////////////////////////////////////////////
00041 //     Function: CLwoLayer::connect_egg
00042 //       Access: Public
00043 //  Description: Connects all the egg structures together.
00044 ////////////////////////////////////////////////////////////////////
00045 void CLwoLayer::
00046 connect_egg() {
00047   if (_layer->_parent != -1) {
00048     const CLwoLayer *parent = _converter->get_layer(_layer->_parent);
00049     if (parent != (CLwoLayer *)NULL) {
00050       parent->_egg_group->add_child(_egg_group.p());
00051       return;
00052     }
00053 
00054     nout << "No layer found with number " << _layer->_parent
00055          << "; cannot parent layer " << _layer->_number << " properly.\n";
00056   }
00057 
00058   _converter->get_egg_data()->add_child(_egg_group.p());
00059 }
00060 
 All Classes Functions Variables Enumerations