mirror of
https://github.com/geode-sdk/geode.git
synced 2024-11-23 16:07:52 -05:00
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "../meta/meta.hpp"
|
||
|
|
|
||
|
|
namespace geode::core {
|
||
|
|
|
||
|
|
namespace impl {
|
||
|
|
/* the handler itself */
|
||
|
|
template <auto& Det, class Ret, class ...Args>
|
||
|
|
Ret handler(Args... args) {
|
||
|
|
static thread_local int counter = 0;
|
||
|
|
|
||
|
|
if constexpr (std::is_same_v<Ret, void>) {
|
||
|
|
if (counter == (int)Det->size()) counter = 0;
|
||
|
|
|
||
|
|
Det->at(counter++)(args...);
|
||
|
|
|
||
|
|
if (--counter < 0) counter = Det->size() - 1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (counter == (int)Det->size()) counter = 0;
|
||
|
|
|
||
|
|
Ret ret = Det->at(counter++)(args...);
|
||
|
|
|
||
|
|
if (--counter < 0) counter = Det->size() - 1;
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
template <template <class, class...> class Conv, auto& Func, class Ret, class ...Args>
|
||
|
|
Ret trampoline(Args... args) {
|
||
|
|
return meta::Function<Ret(Args...), Conv>(Func)(args...);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
template <template <class, class...> class Conv, auto& Det, class Ret, class ...Args>
|
||
|
|
static constexpr inline auto handler = Conv<Ret, Args...>::template get_wrapper<&impl::handler<Det, Ret, Args...>>();
|
||
|
|
|
||
|
|
template <template <class, class...> class Conv, auto& Det, class Ret, class ...Args>
|
||
|
|
static constexpr inline auto trampoline = &impl::trampoline<Conv, Det, Ret, Args...>;
|
||
|
|
}
|