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85 lines
1.4 KiB
C++
85 lines
1.4 KiB
C++
/*
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* Registry.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "Effect.h"
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#define VCMI_REGISTER_SPELL_EFFECT(Type, Name) \
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namespace\
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{\
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RegisterEffect<Type> register ## Type(Name);\
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}\
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\
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VCMI_LIB_NAMESPACE_BEGIN
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namespace spells
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{
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namespace effects
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{
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class DLL_LINKAGE IEffectFactory
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{
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public:
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IEffectFactory() = default;
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virtual ~IEffectFactory() = default;
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virtual Effect * create() const = 0;
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};
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class DLL_LINKAGE Registry
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{
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public:
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using FactoryPtr = std::shared_ptr<IEffectFactory>;
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Registry();
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virtual ~Registry();
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virtual const IEffectFactory * find(const std::string & name) const = 0;
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virtual void add(const std::string & name, FactoryPtr item) = 0;
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};
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class DLL_LINKAGE GlobalRegistry
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{
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GlobalRegistry() = default;
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public:
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static Registry * get();
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};
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template<typename E>
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class EffectFactory : public IEffectFactory
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{
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public:
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EffectFactory() = default;
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virtual ~EffectFactory() = default;
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Effect * create() const override
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{
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return new E();
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}
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};
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template<typename E>
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class RegisterEffect
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{
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public:
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RegisterEffect(const std::string & name)
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{
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auto f = std::make_shared<EffectFactory<E>>();
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GlobalRegistry::get()->add(name, f);
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}
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};
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}
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}
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VCMI_LIB_NAMESPACE_END
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