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suyu/src/core/hle/applets/applet.cpp
Subv 0f8be2d2cc HLE/Applets: Implemented a dummy Mii Selector applet.
This prevents some games (like Super Mario 3D Land) from freezing when trying to launch it, however, it's not complete and won't let you go past Mii selection as the parameter structure hasn't been reverse engineered yet.
2016-03-12 10:59:37 -05:00

116 lines
3.9 KiB
C++

// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstddef>
#include <memory>
#include <type_traits>
#include <unordered_map>
#include "common/assert.h"
#include "common/common_types.h"
#include "core/core_timing.h"
#include "core/hle/applets/applet.h"
#include "core/hle/applets/mii_selector.h"
#include "core/hle/applets/swkbd.h"
#include "core/hle/result.h"
#include "core/hle/service/apt/apt.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Specializes std::hash for AppletId, so that we can use it in std::unordered_map.
// Workaround for libstdc++ bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
namespace std {
template <>
struct hash<Service::APT::AppletId> {
typedef Service::APT::AppletId argument_type;
typedef std::size_t result_type;
result_type operator()(const argument_type& id_code) const {
typedef std::underlying_type<argument_type>::type Type;
return std::hash<Type>()(static_cast<Type>(id_code));
}
};
}
namespace HLE {
namespace Applets {
static std::unordered_map<Service::APT::AppletId, std::shared_ptr<Applet>> applets;
static u32 applet_update_event = -1; ///< The CoreTiming event identifier for the Applet update callback.
/// The interval at which the Applet update callback will be called, 16.6ms
static const u64 applet_update_interval_us = 16666;
ResultCode Applet::Create(Service::APT::AppletId id) {
switch (id) {
case Service::APT::AppletId::SoftwareKeyboard1:
case Service::APT::AppletId::SoftwareKeyboard2:
applets[id] = std::make_shared<SoftwareKeyboard>(id);
break;
case Service::APT::AppletId::Ed1:
case Service::APT::AppletId::Ed2:
applets[id] = std::make_shared<MiiSelector>(id);
break;
default:
LOG_ERROR(Service_APT, "Could not create applet %u", id);
// TODO(Subv): Find the right error code
return ResultCode(ErrorDescription::NotFound, ErrorModule::Applet, ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
return RESULT_SUCCESS;
}
std::shared_ptr<Applet> Applet::Get(Service::APT::AppletId id) {
auto itr = applets.find(id);
if (itr != applets.end())
return itr->second;
return nullptr;
}
/// Handles updating the current Applet every time it's called.
static void AppletUpdateEvent(u64 applet_id, int cycles_late) {
Service::APT::AppletId id = static_cast<Service::APT::AppletId>(applet_id);
std::shared_ptr<Applet> applet = Applet::Get(id);
ASSERT_MSG(applet != nullptr, "Applet doesn't exist! applet_id=%08X", id);
applet->Update();
// If the applet is still running after the last update, reschedule the event
if (applet->IsRunning()) {
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval_us) - cycles_late,
applet_update_event, applet_id);
} else {
// Otherwise the applet has terminated, in which case we should clean it up
applets[id] = nullptr;
}
}
ResultCode Applet::Start(const Service::APT::AppletStartupParameter& parameter) {
ResultCode result = StartImpl(parameter);
if (result.IsError())
return result;
// Schedule the update event
CoreTiming::ScheduleEvent(usToCycles(applet_update_interval_us), applet_update_event, static_cast<u64>(id));
return result;
}
bool IsLibraryAppletRunning() {
// Check the applets map for instances of any applet
for (auto itr = applets.begin(); itr != applets.end(); ++itr)
if (itr->second != nullptr)
return true;
return false;
}
void Init() {
// Register the applet update callback
applet_update_event = CoreTiming::RegisterEvent("HLE Applet Update Event", AppletUpdateEvent);
}
void Shutdown() {
CoreTiming::RemoveEvent(applet_update_event);
}
}
} // namespace