57 lines
1.8 KiB
Text
57 lines
1.8 KiB
Text
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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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* @file globalPointerRegistry.I
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* @author drose
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* @date 2000-02-03
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*/
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/**
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* Returns the pointer associated with the indicated TypeHandle, if any. If
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* no pointer has yet been 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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* Associates the given pointer with the indicated TypeHandle. It is an error
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* to call this with a NULL pointer, or to call this function more than once
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* with a given TypeHandle (without first calling 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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* Removes the association of the given pointer with the indicated TypeHandle.
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* Subsequent calls to 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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* Returns a pointer to the single GlobalPointerRegistry object. If the
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* object does not yet exist, creates it. This indirection is used instead of
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* making all the data members of GlobalPointerRegistry static, so that we
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* don't have to worry about order dependency 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 == nullptr) {
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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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