65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
// Filename: weakPointerToVoid.I
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// Created by: drose (27Sep04)
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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: WeakPointerToVoid::Constructor
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// Access: Protected
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE WeakPointerToVoid::
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WeakPointerToVoid() {
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_ptr_was_deleted = false;
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}
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////////////////////////////////////////////////////////////////////
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// Function: WeakPointerToVoid::mark_deleted
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// Access: Public
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// Description: This is intended only to be called by the
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// WeakPointerList destructor. It indicates that the
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// object that we were pointing to has just been
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// deleted.
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////////////////////////////////////////////////////////////////////
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INLINE void WeakPointerToVoid::
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mark_deleted() {
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nassertv(!_ptr_was_deleted);
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_ptr_was_deleted = true;
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}
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////////////////////////////////////////////////////////////////////
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// Function: WeakPointerToVoid::was_deleted
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// Access: Published
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// Description: Returns true if the object we are pointing to has
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// been deleted, false otherwise.
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////////////////////////////////////////////////////////////////////
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INLINE bool WeakPointerToVoid::
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was_deleted() const {
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return _ptr_was_deleted;
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}
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////////////////////////////////////////////////////////////////////
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// Function: WeakPointerToVoid::is_valid_pointer
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// Access: Published
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// Description: Returns true if the pointer is not null and the
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// object has not been deleted.
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////////////////////////////////////////////////////////////////////
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INLINE bool WeakPointerToVoid::
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is_valid_pointer() const {
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return (_void_ptr != (void *)NULL) && !_ptr_was_deleted;
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}
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