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112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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// Description : User header for multi DLL functors.
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#ifndef CRYINCLUDE_CRYCOMMON_SFUNCTOR_H
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#define CRYINCLUDE_CRYCOMMON_SFUNCTOR_H
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#pragma once
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#include "FunctorBaseFunction.h"
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#include "FunctorBaseMember.h"
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// Needed for CryFont to compile.
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// Maybe for others too.
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#include "smartptr.h"
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struct SFunctor
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{
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public:
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// Calls the functor method.
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// returns true, if a functor is registered, false otherwise.
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bool Call()
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{
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if (!m_pFunctor)
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{
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return false;
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}
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m_pFunctor->Call();
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return true;
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}
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// Sets a new functor, common function, void return type, no arguments.
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// Parameters: the function pointer.
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template<typename tCallback>
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void Set(tCallback pCallback)
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{
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typedef TFunctor<tCallback> TType;
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m_pFunctor = new TType(pCallback);
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}
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// Sets a new functor, common function, void return type, 1 argument.
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// Parameters: the function pointer, the argument to be passed to the function.
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template<typename tCallback, typename tArgument1>
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void Set(tCallback pCallback, const tArgument1& Argument1)
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{
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typedef TFunctor<tCallback> TType;
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m_pFunctor = new TType(pCallback, Argument1);
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}
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// Sets a new functor, common function, void return type, 2 arguments.
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// Parameters: the function pointer, the 2 arguments to be passed to the function.
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template<typename tCallback, typename tArgument1, typename tArgument2>
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void Set(tCallback pCallback, const tArgument1& Argument1, const tArgument2& Argument2)
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{
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typedef TFunctor<tCallback> TType;
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m_pFunctor = new TType(pCallback, Argument1, Argument2);
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}
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// Sets a new functor, common function, void return type, no arguments.
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// Parameters: the function pointer, the 2 arguments to be passed to the function.
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template<typename tCallee>
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void Set(tCallee* pCallee, void (tCallee::* pCallback)())
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{
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typedef TFunctor<void (tCallee::*)()> TType;
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m_pFunctor = new TType(pCallee, pCallback);
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}
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// Sets a new functor, common function, void return type, 1 argument.
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// Parameters: the function pointer, the 2 arguments to be passed to the function, the argument.
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template<typename tCallee, typename tArgument1>
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void Set(tCallee* pCallee, void (tCallee::* pCallback)(tArgument1), const tArgument1& Argument1)
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{
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typedef TFunctor<void (tCallee::*)(tArgument1)> TType;
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m_pFunctor = new TType(pCallee, pCallback, Argument1);
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}
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// Sets a new functor, common function, void return type, 2 arguments.
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// Parameters: the function pointer, the 2 arguments to be passed to the function, the 2 arguments.
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template<typename tCallee, typename tArgument1, typename tArgument2>
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void Set(tCallee* pCallee, void (tCallee::* pCallback)(tArgument1, tArgument2), const tArgument1& Argument1, const tArgument2& Argument2)
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{
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typedef TFunctor<void (tCallee::*)(tArgument1, tArgument2)> TType;
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m_pFunctor = new TType(pCallee, pCallback, Argument1, Argument2);
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}
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// Used to compare equality between 2 IFunctors.
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bool operator==(const SFunctor& rOther)
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{
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return m_pFunctor == rOther.m_pFunctor;
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}
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// Used order to IFunctors (needed for some containers, like map).
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bool operator<(const SFunctor& rOther)
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{
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return m_pFunctor < rOther.m_pFunctor;
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}
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protected:
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_smart_ptr<IFunctorBase> m_pFunctor;
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};
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#endif // CRYINCLUDE_CRYCOMMON_SFUNCTOR_H
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