83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
// Filename: eggSingleBase.cxx
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// Created by: drose (21Jul03)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "eggSingleBase.h"
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#include "eggGroupNode.h"
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#include "eggTexture.h"
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#include "eggFilenameNode.h"
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#include "eggComment.h"
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#include "dcast.h"
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#include "string_utils.h"
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////////////////////////////////////////////////////////////////////
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// Function: EggSingleBase::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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EggSingleBase::
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EggSingleBase() :
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_data(new EggData)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggSingleBase::as_reader
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// Access: Public, Virtual
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// Description: Returns this object as an EggReader pointer, if it is
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// in fact an EggReader, or NULL if it is not.
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//
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// This is intended to work around the C++ limitation
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// that prevents downcasts past virtual inheritance.
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// Since both EggReader and EggWriter inherit virtually
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// from EggSingleBase, we need functions like this to downcast
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// to the appropriate pointer.
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////////////////////////////////////////////////////////////////////
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EggReader *EggSingleBase::
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as_reader() {
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return (EggReader *)NULL;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggSingleBase::as_writer
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// Access: Public, Virtual
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// Description: Returns this object as an EggWriter pointer, if it is
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// in fact an EggWriter, or NULL if it is not.
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//
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// This is intended to work around the C++ limitation
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// that prevents downcasts past virtual inheritance.
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// Since both EggReader and EggWriter inherit virtually
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// from EggSingleBase, we need functions like this to downcast
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// to the appropriate pointer.
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////////////////////////////////////////////////////////////////////
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EggWriter *EggSingleBase::
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as_writer() {
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return (EggWriter *)NULL;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggSingleBase::post_command_line
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// Access: Protected, Virtual
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// Description:
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////////////////////////////////////////////////////////////////////
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bool EggSingleBase::
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post_command_line() {
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if (_got_coordinate_system) {
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_data->set_coordinate_system(_coordinate_system);
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}
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return EggBase::post_command_line();
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}
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