t8-mod/source/proxy-dll/loader/component_loader.hpp

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2023-03-06 15:40:07 -05:00
#pragma once
#include "component_interface.hpp"
class component_loader final
{
public:
class premature_shutdown_trigger final : public std::exception
{
[[nodiscard]] const char* what() const noexcept override
{
return "Premature shutdown requested";
}
};
template <typename T>
class installer final
{
static_assert(std::is_base_of_v<component_interface, T>, "component has invalid base class");
public:
installer()
{
register_component(std::make_unique<T>());
}
};
template <typename T>
static T* get()
{
for (const auto& component_ : get_components())
{
if (typeid(*component_.get()) == typeid(T))
{
return reinterpret_cast<T*>(component_.get());
}
}
return nullptr;
}
static void register_component(std::unique_ptr<component_interface>&& component);
static bool pre_start();
static void post_unpack();
static void pre_destroy();
static void clean();
static void trigger_premature_shutdown();
private:
static std::vector<std::unique_ptr<component_interface>>& get_components();
};
#define REGISTER_COMPONENT(name) \
namespace \
{ \
static component_loader::installer<name> __component; \
}