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