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WiimoteEmu: Add a static_assert in DesiredExtensionState to keep variant alternative order consistent.

This commit is contained in:
Jordan Woyak 2025-02-25 04:34:27 -06:00
parent 0d0734e083
commit 3f92f86de1
1 changed files with 24 additions and 3 deletions
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27
Source/Core/Core/HW/WiimoteEmu/Extension/DesiredExtensionState.h
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@ -17,21 +17,42 @@
#include "Core/HW/WiimoteEmu/Extension/TaTaCon.h"
#include "Core/HW/WiimoteEmu/Extension/Turntable.h"
#include "Core/HW/WiimoteEmu/Extension/UDrawTablet.h"
#include "Core/HW/WiimoteEmu/ExtensionPort.h"
namespace WiimoteEmu
{
struct DesiredExtensionState
{
private:
template <ExtensionNumber N, typename T>
struct ExtNumTypePair
{
static constexpr ExtensionNumber ext_num = N;
using ext_type = T;
};
template <typename... Ts>
struct ExtDataImpl
{
using type = std::variant<std::monostate, typename Ts::DesiredState...>;
using type = std::variant<std::monostate, typename Ts::ext_type::DesiredState...>;
static_assert((std::is_same_v<std::variant_alternative_t<Ts::ext_num, type>,
typename Ts::ext_type::DesiredState> &&
...),
"Please use ExtensionNumber enum order for DTM file index consistency.");
};
public:
using ExtensionData = ExtDataImpl<Nunchuk, Classic, Guitar, Drums, Turntable, UDrawTablet,
DrawsomeTablet, TaTaCon, Shinkansen>::type;
using ExtensionData =
ExtDataImpl<ExtNumTypePair<ExtensionNumber::NUNCHUK, Nunchuk>,
ExtNumTypePair<ExtensionNumber::CLASSIC, Classic>,
ExtNumTypePair<ExtensionNumber::GUITAR, Guitar>,
ExtNumTypePair<ExtensionNumber::DRUMS, Drums>,
ExtNumTypePair<ExtensionNumber::TURNTABLE, Turntable>,
ExtNumTypePair<ExtensionNumber::UDRAW_TABLET, UDrawTablet>,
ExtNumTypePair<ExtensionNumber::DRAWSOME_TABLET, DrawsomeTablet>,
ExtNumTypePair<ExtensionNumber::TATACON, TaTaCon>,
ExtNumTypePair<ExtensionNumber::SHINKANSEN, Shinkansen>>::type;
ExtensionData data = std::monostate{};
};