77 lines
3.2 KiB
Plaintext
77 lines
3.2 KiB
Plaintext
// Filename: globalPointerRegistry.I
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// Created by: drose (03Feb00)
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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: GlobalPointerRegistry::get_pointer
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// Access: Public, Static
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// Description: Returns the pointer associated with the indicated
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// TypeHandle, if any. If no pointer has yet been
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// associated, returns NULL.
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////////////////////////////////////////////////////////////////////
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INLINE void *GlobalPointerRegistry::
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get_pointer(TypeHandle type) {
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return get_global_ptr()->ns_get_pointer(type);
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}
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////////////////////////////////////////////////////////////////////
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// Function: GlobalPointerRegistry::store_pointer
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// Access: Public, Static
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// Description: Associates the given pointer with the indicated
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// TypeHandle. It is an error to call this with a NULL
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// pointer, or to call this function more than once with
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// a given TypeHandle (without first calling
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// clear_pointer).
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////////////////////////////////////////////////////////////////////
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INLINE void GlobalPointerRegistry::
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store_pointer(TypeHandle type, void *ptr) {
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get_global_ptr()->ns_store_pointer(type, ptr);
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}
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////////////////////////////////////////////////////////////////////
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// Function: GlobalPointerRegistry::clear_pointer
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// Access: Public, Static
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// Description: Removes the association of the given pointer with the
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// indicated TypeHandle. Subsequent calls to
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// get_pointer() with this TypeHandle will return NULL,
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// until another call to store_pointer() is made.
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////////////////////////////////////////////////////////////////////
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INLINE void GlobalPointerRegistry::
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clear_pointer(TypeHandle type) {
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get_global_ptr()->ns_clear_pointer(type);
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}
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////////////////////////////////////////////////////////////////////
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// Function: GlobalPointerRegistry::get_global_pointer
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// Access: Private, Static
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// Description: Returns a pointer to the single GlobalPointerRegistry
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// object. If the object does not yet exist, creates
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// it. This indirection is used instead of making all
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// the data members of GlobalPointerRegistry static, so
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// that we don't have to worry about order dependency
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// during static init time.
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////////////////////////////////////////////////////////////////////
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INLINE GlobalPointerRegistry *GlobalPointerRegistry::
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get_global_ptr() {
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if (_global_ptr == (GlobalPointerRegistry *)NULL) {
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_global_ptr = new GlobalPointerRegistry;
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}
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return _global_ptr;
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}
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