41 lines
1.1 KiB
Text
41 lines
1.1 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 factoryParams.I
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* @author drose
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* @date 2000-05-08
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*/
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#include "pnotify.h"
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/**
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* Returns the custom pointer that was associated with the factory function.
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*/
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INLINE void *FactoryParams::
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get_user_data() const {
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return _user_data;
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}
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/**
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* A handy convenience template function that extracts a parameter of the
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* indicated type from the FactoryParams list. If the parameter type is
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* found, it fills the pointer and returns true; otherwise, it sets the
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* pointer to NULL and returns false.
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*/
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template<class ParamType>
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bool get_param_into(ParamType *&pointer, const FactoryParams ¶ms) {
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FactoryParam *param =
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params.get_param_of_type(ParamType::get_class_type());
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if (param == nullptr) {
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pointer = nullptr;
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return false;
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}
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DCAST_INTO_R(pointer, param, false);
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return true;
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}
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