165 lines
5.8 KiB
Plaintext
165 lines
5.8 KiB
Plaintext
// Filename: eggObject.I
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// Created by: drose (10Feb99)
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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) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE EggObject::
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EggObject() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::Copy constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE EggObject::
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EggObject(const EggObject ©) :
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TypedReferenceCount(copy),
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_user_data(copy._user_data),
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_default_user_data(copy._default_user_data)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::Copy assignment operator
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE EggObject &EggObject::
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operator = (const EggObject ©) {
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TypedReferenceCount::operator = (copy);
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_user_data = copy._user_data;
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_default_user_data = copy._default_user_data;
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return *this;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::set_user_data
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// Access: Public
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// Description: Sets the user data associated with this object. This
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// may be any EggUserData-derived object. The egg
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// library will do nothing with this pointer, except to
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// hold its reference count and return the pointer on
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// request.
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//
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// The EggObject maintains multiple different
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// EggUserData pointers, one for each unique type (as
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// reported by get_type()). If you know that only one
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// type of EggUserData object will be added in your
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// application, you may use the query functions that
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// accept no parameters, but it is recommended that in
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// general you pass in the type of your particular user
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// data, to allow multiple applications to coexist in
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// the same egg data.
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//
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// This pointer is also copied by the copy assignment
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// operator and copy constructor.
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////////////////////////////////////////////////////////////////////
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INLINE void EggObject::
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set_user_data(EggUserData *user_data) {
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_user_data[user_data->get_type()] = user_data;
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_default_user_data = user_data;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::get_user_data
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// Access: Public
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// Description: Returns the user data pointer most recently stored on
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// this object, or NULL if nothing was previously
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// stored.
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////////////////////////////////////////////////////////////////////
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INLINE EggUserData *EggObject::
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get_user_data() const {
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return _default_user_data;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::get_user_data
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// Access: Public
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// Description: Returns the user data pointer of the indicated type,
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// if it exists, or NULL if it does not.
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////////////////////////////////////////////////////////////////////
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INLINE EggUserData *EggObject::
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get_user_data(TypeHandle type) const {
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UserData::const_iterator ui;
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ui = _user_data.find(type);
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if (ui != _user_data.end()) {
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return (*ui).second;
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}
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return NULL;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::has_user_data
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// Access: Public
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// Description: Returns true if a generic user data pointer has
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// recently been set and not yet cleared, false
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// otherwise.
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////////////////////////////////////////////////////////////////////
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INLINE bool EggObject::
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has_user_data() const {
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return !_default_user_data.is_null();
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::has_user_data
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// Access: Public
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// Description: Returns true if the user data pointer of the
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// indicated type has been set, false otherwise.
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////////////////////////////////////////////////////////////////////
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INLINE bool EggObject::
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has_user_data(TypeHandle type) const {
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UserData::const_iterator ui;
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ui = _user_data.find(type);
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return (ui != _user_data.end());
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::clear_user_data
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// Access: Public
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// Description: Removes *all* user data pointers from the node.
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////////////////////////////////////////////////////////////////////
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INLINE void EggObject::
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clear_user_data() {
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_user_data.clear();
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_default_user_data.clear();
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggObject::clear_user_data
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// Access: Public
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// Description: Removes the user data pointer of the indicated type.
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////////////////////////////////////////////////////////////////////
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INLINE void EggObject::
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clear_user_data(TypeHandle type) {
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UserData::iterator ui;
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ui = _user_data.find(type);
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if (ui != _user_data.end()) {
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if ((*ui).second == _default_user_data) {
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_default_user_data.clear();
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}
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_user_data.erase(ui);
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}
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}
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