mii_manager: Cleanup and optimization

This commit is contained in:
Zach Hilman 2018-12-24 13:30:07 -05:00
parent e25a7891e9
commit f0db2e3ef3
5 changed files with 55 additions and 39 deletions

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@ -1,4 +1,4 @@
// Copyright 2018 Citra Emulator Project
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

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@ -1,9 +1,11 @@
// Copyright 2018 Citra Emulator Project
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include "common/common_types.h"
namespace Common {
@ -33,7 +35,7 @@ struct UUID {
static UUID Generate();
// Set the UUID to {0,0} to be considered an invalid user
void Invalidate() {
constexpr void Invalidate() {
uuid = INVALID_UUID;
}

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@ -13,7 +13,7 @@
namespace Service::Account {
using namespace Common;
using Common::UUID;
struct UserRaw {
UUID uuid;
@ -199,7 +199,7 @@ bool ProfileManager::UserExists(UUID uuid) const {
bool ProfileManager::UserExistsIndex(std::size_t index) const {
if (index >= MAX_USERS)
return false;
return profiles[index].user_uuid.uuid != INVALID_UUID;
return profiles[index].user_uuid.uuid != Common::INVALID_UUID;
}
/// Opens a specific user
@ -293,7 +293,7 @@ bool ProfileManager::RemoveUser(UUID uuid) {
bool ProfileManager::SetProfileBase(UUID uuid, const ProfileBase& profile_new) {
const auto index = GetUserIndex(uuid);
if (!index || profile_new.user_uuid == UUID(INVALID_UUID)) {
if (!index || profile_new.user_uuid == UUID(Common::INVALID_UUID)) {
return false;
}
@ -324,7 +324,7 @@ void ProfileManager::ParseUserSaveFile() {
}
for (const auto& user : data.users) {
if (user.uuid == UUID(INVALID_UUID)) {
if (user.uuid == UUID(Common::INVALID_UUID)) {
continue;
}

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@ -12,8 +12,10 @@
namespace Service::Mii {
namespace {
constexpr char MII_SAVE_DATABASE_PATH[] = "/system/save/8000000000000030/MiiDatabase.dat";
constexpr std::array<char16_t, 11> DEFAULT_MII_NAME = {'y', 'u', 'z', 'u', '\0'};
constexpr std::array<char16_t, 11> DEFAULT_MII_NAME = {u'y', u'u', u'z', u'u', u'\0'};
// This value was retrieved from HW test
constexpr MiiStoreData DEFAULT_MII = {
@ -30,10 +32,10 @@ constexpr MiiStoreData DEFAULT_MII = {
// Default values taken from multiple real databases
const MiiDatabase DEFAULT_MII_DATABASE{Common::MakeMagic('N', 'F', 'D', 'B'), {}, {1}, 0, 0};
template <typename T, std::size_t s1, std::size_t s2>
std::array<T, s2> ResizeArray(const std::array<T, s1>& in) {
std::array<T, s2> out{};
std::memcpy(out.data(), in.data(), sizeof(T) * std::min(s1, s2));
template <typename T, std::size_t SourceArraySize, std::size_t DestArraySize>
std::array<T, DestArraySize> ResizeArray(const std::array<T, SourceArraySize>& in) {
std::array<T, DestArraySize> out{};
std::memcpy(out.data(), in.data(), sizeof(T) * std::min(SourceArraySize, DestArraySize));
return out;
}
@ -163,12 +165,14 @@ MiiStoreData ConvertInfoToStoreData(const MiiInfo& info) {
return out;
}
} // namespace
std::u16string MiiInfo::Name() const {
return Common::UTF16StringFromFixedZeroTerminatedBuffer(name.data(), name.size());
}
bool operator==(const MiiInfo& lhs, const MiiInfo& rhs) {
return std::memcmp(&lhs, &rhs, sizeof(MiiInfo));
return std::memcmp(&lhs, &rhs, sizeof(MiiInfo)) == 0;
}
bool operator!=(const MiiInfo& lhs, const MiiInfo& rhs) {
@ -188,27 +192,15 @@ MiiInfo MiiManager::CreateRandom(RandomParameters params) {
"(STUBBED) called with params={:08X}{:08X}{:08X}, returning default Mii",
params.unknown_1, params.unknown_2, params.unknown_3);
auto new_mii = DEFAULT_MII;
do {
new_mii.uuid = Common::UUID::Generate();
} while (IndexOf(new_mii.uuid) == INVALID_INDEX);
return ConvertStoreDataToInfo(new_mii);
return ConvertStoreDataToInfo(CreateMiiWithUniqueUUID());
}
MiiInfo MiiManager::CreateDefault(u32 index) {
auto new_mii = DEFAULT_MII;
const auto new_mii = CreateMiiWithUniqueUUID();
do {
new_mii.uuid = Common::UUID::Generate();
} while (IndexOf(new_mii.uuid) == INVALID_INDEX);
ASSERT(index < MAX_MIIS);
database.miis[index] = new_mii;
std::stable_partition(database.miis.begin(), database.miis.end(),
[](const MiiStoreData& elem) { return elem.uuid; });
database.miis.at(index) = new_mii;
EnsureDatabasePartition();
return ConvertStoreDataToInfo(new_mii);
}
@ -253,8 +245,7 @@ bool MiiManager::Remove(Common::UUID uuid) {
return false;
*iter = MiiStoreData{};
std::stable_partition(database.miis.begin(), database.miis.end(),
[](const MiiStoreData& elem) { return elem.uuid; });
EnsureDatabasePartition();
return true;
}
@ -268,9 +259,9 @@ u32 MiiManager::IndexOf(Common::UUID uuid) const {
return static_cast<u32>(std::distance(database.miis.begin(), iter));
}
u32 MiiManager::IndexOf(MiiInfo info) const {
u32 MiiManager::IndexOf(const MiiInfo& info) const {
const auto iter =
std::find_if(database.miis.begin(), database.miis.end(), [info](const MiiStoreData& elem) {
std::find_if(database.miis.begin(), database.miis.end(), [&info](const MiiStoreData& elem) {
return ConvertStoreDataToInfo(elem) == info;
});
@ -296,12 +287,11 @@ bool MiiManager::Move(Common::UUID uuid, u32 new_index) {
database.miis[new_index] = moving;
}
std::stable_partition(database.miis.begin(), database.miis.end(),
[](const MiiStoreData& elem) { return elem.uuid; });
EnsureDatabasePartition();
return true;
}
bool MiiManager::AddOrReplace(MiiStoreData data) {
bool MiiManager::AddOrReplace(const MiiStoreData& data) {
const auto index = IndexOf(data.uuid);
if (index == INVALID_INDEX) {
@ -341,7 +331,11 @@ void MiiManager::WriteToFile() {
}
save.Resize(sizeof(MiiDatabase));
save.WriteBytes(&database, sizeof(MiiDatabase));
if (save.WriteBytes(&database, sizeof(MiiDatabase)) != sizeof(MiiDatabase)) {
LOG_WARNING(Service_Mii, "Failed to write all data to save file... Data may be malformed "
"and/or regenerated on next run.");
save.Resize(0);
}
}
void MiiManager::ReadFromFile() {
@ -362,6 +356,20 @@ void MiiManager::ReadFromFile() {
return;
}
EnsureDatabasePartition();
}
MiiStoreData MiiManager::CreateMiiWithUniqueUUID() const {
auto new_mii = DEFAULT_MII;
do {
new_mii.uuid = Common::UUID::Generate();
} while (IndexOf(new_mii.uuid) == INVALID_INDEX);
return new_mii;
}
void MiiManager::EnsureDatabasePartition() {
std::stable_partition(database.miis.begin(), database.miis.end(),
[](const MiiStoreData& elem) { return elem.uuid; });
}

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@ -84,6 +84,8 @@ struct MiiInfo {
std::u16string Name() const;
};
static_assert(sizeof(MiiInfo) == 0x58, "MiiInfo has incorrect size.");
static_assert(std::has_unique_object_representations_v<MiiInfo>,
"All bits of MiiInfo must contribute to its value.");
bool operator==(const MiiInfo& lhs, const MiiInfo& rhs);
bool operator!=(const MiiInfo& lhs, const MiiInfo& rhs);
@ -238,15 +240,19 @@ public:
bool Remove(Common::UUID uuid);
u32 IndexOf(Common::UUID uuid) const;
u32 IndexOf(MiiInfo info) const;
u32 IndexOf(const MiiInfo& info) const;
bool Move(Common::UUID uuid, u32 new_index);
bool AddOrReplace(MiiStoreData data);
bool AddOrReplace(const MiiStoreData& data);
private:
void WriteToFile();
void ReadFromFile();
MiiStoreData CreateMiiWithUniqueUUID() const;
void EnsureDatabasePartition();
MiiDatabase database;
};