117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <utility>
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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namespace Detail
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{
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template<typename, typename = void>
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struct ModuleConfigHasOverride : std::false_type {};
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template<typename T>
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struct ModuleConfigHasOverride<T, std::void_t<decltype(std::declval<T>().Override(std::declval<const CommandLineParameters&>()))>> : std::true_type {};
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template<typename T>
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decltype(auto) OverrideModuleConfig(T&& module, const CommandLineParameters& params)
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{
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if constexpr (!std::is_const_v<T> && ModuleConfigHasOverride<T>::value)
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module.Override(params);
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return std::forward<T>(module);
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}
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template<typename T>
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struct Pick
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{
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template<typename First, typename... Args>
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static decltype(auto) Get(First&& first, Args&&... args)
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{
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if constexpr (std::is_same_v<T, std::decay_t<First>>)
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return std::forward<First>(first);
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else
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{
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NazaraUnused(first);
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return Get(std::forward<Args>(args)...);
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}
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}
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template<typename First, typename... Args>
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static decltype(auto) Get(const CommandLineParameters& parameters, First&& first, Args&&... args)
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{
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if constexpr (std::is_same_v<T, std::decay_t<First>>)
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return OverrideModuleConfig<First>(first, parameters);
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else
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{
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NazaraUnused(first);
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return Get(parameters, std::forward<Args>(args)...);
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}
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}
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static auto Get(const CommandLineParameters& parameters)
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{
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return OverrideModuleConfig(T{}, parameters);
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}
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};
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template<typename Module, typename... Modules>
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template<typename... ModuleConfig>
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ModuleTuple<Module, Modules...>::ModuleTuple(const CommandLineParameters& parameters, ModuleConfig&&... configs) :
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ModuleTuple<Module>(parameters, std::forward<ModuleConfig>(configs)...),
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ModuleTuple<Modules...>(parameters, std::forward<ModuleConfig>(configs)...)
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{
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}
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template<typename Module, typename... Modules>
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template<typename T>
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T& ModuleTuple<Module, Modules...>::Get()
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{
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if constexpr (std::is_same_v<T, Module>)
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return ModuleTuple<Module>::template Get<T>();
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else
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return ModuleTuple<Modules...>::template Get<T>();
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}
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template<typename Module>
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template<typename... ModuleConfig>
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ModuleTuple<Module>::ModuleTuple(const CommandLineParameters& parameters, ModuleConfig&&... configs) :
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m(Pick<typename Module::Config>::Get(parameters, std::forward<ModuleConfig>(configs)...))
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{
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}
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template<typename Module>
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template<typename T>
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T& ModuleTuple<Module>::Get()
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{
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static_assert(std::is_same_v<T, Module>, "module is not in the list");
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return m;
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}
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}
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template<typename... ModuleList>
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template<typename... ModuleConfig>
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Modules<ModuleList...>::Modules(ModuleConfig&&... configs) :
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m_modules(CommandLineParameters{}, std::forward<ModuleConfig>(configs)...)
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{
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}
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template<typename... ModuleList>
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template<typename... ModuleConfig>
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Modules<ModuleList...>::Modules(const CommandLineParameters& parameters, ModuleConfig&&... configs) :
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m_modules(parameters, std::forward<ModuleConfig>(configs)...)
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{
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}
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template<typename... ModuleList>
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template<typename T>
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T& Modules<ModuleList...>::Get()
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{
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return m_modules.template Get<T>();
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}
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}
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#include <Nazara/Core/DebugOff.hpp>
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