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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <cstring>
#include <fmt/format.h>
#include "common/fs/file.h"
#include "common/fs/fs.h"
#include "common/fs/path_util.h"
#include "common/logging/log.h"
#include "common/settings.h"
#include "input_common/drivers/virtual_amiibo.h"
namespace InputCommon {
constexpr PadIdentifier identifier = {
.guid = Common::UUID{},
.port = 0,
.pad = 0,
};
VirtualAmiibo::VirtualAmiibo(std::string input_engine_) : InputEngine(std::move(input_engine_)) {}
VirtualAmiibo::~VirtualAmiibo() = default;
Common::Input::DriverResult VirtualAmiibo::SetPollingMode(
[[maybe_unused]] const PadIdentifier& identifier_,
const Common::Input::PollingMode polling_mode_) {
polling_mode = polling_mode_;
switch (polling_mode) {
case Common::Input::PollingMode::NFC:
if (state == State::Initialized) {
state = State::WaitingForAmiibo;
}
return Common::Input::DriverResult::Success;
default:
if (state == State::AmiiboIsOpen) {
CloseAmiibo();
}
return Common::Input::DriverResult::NotSupported;
}
}
Common::Input::NfcState VirtualAmiibo::SupportsNfc(
[[maybe_unused]] const PadIdentifier& identifier_) const {
return Common::Input::NfcState::Success;
}
Common::Input::NfcState VirtualAmiibo::WriteNfcData(
[[maybe_unused]] const PadIdentifier& identifier_, const std::vector<u8>& data) {
const Common::FS::IOFile nfc_file{file_path, Common::FS::FileAccessMode::ReadWrite,
Common::FS::FileType::BinaryFile};
if (!nfc_file.IsOpen()) {
LOG_ERROR(Core, "Amiibo is already on use");
return Common::Input::NfcState::WriteFailed;
}
if (!nfc_file.Write(data)) {
LOG_ERROR(Service_NFP, "Error writing to file");
return Common::Input::NfcState::WriteFailed;
}
nfc_data = data;
return Common::Input::NfcState::Success;
}
VirtualAmiibo::State VirtualAmiibo::GetCurrentState() const {
return state;
}
VirtualAmiibo::Info VirtualAmiibo::LoadAmiibo(const std::string& filename) {
const Common::FS::IOFile nfc_file{filename, Common::FS::FileAccessMode::Read,
Common::FS::FileType::BinaryFile};
std::vector<u8> data{};
if (!nfc_file.IsOpen()) {
return Info::UnableToLoad;
}
switch (nfc_file.GetSize()) {
case AmiiboSize:
case AmiiboSizeWithoutPassword:
case AmiiboSizeWithSignature:
data.resize(AmiiboSize);
if (nfc_file.Read(data) < AmiiboSizeWithoutPassword) {
return Info::NotAnAmiibo;
}
break;
case MifareSize:
data.resize(MifareSize);
if (nfc_file.Read(data) < MifareSize) {
return Info::NotAnAmiibo;
}
break;
default:
return Info::NotAnAmiibo;
}
file_path = filename;
return LoadAmiibo(data);
}
VirtualAmiibo::Info VirtualAmiibo::LoadAmiibo(std::span<u8> data) {
if (state != State::WaitingForAmiibo) {
return Info::WrongDeviceState;
}
switch (data.size_bytes()) {
case AmiiboSize:
case AmiiboSizeWithoutPassword:
case AmiiboSizeWithSignature:
nfc_data.resize(AmiiboSize);
break;
case MifareSize:
nfc_data.resize(MifareSize);
break;
default:
return Info::NotAnAmiibo;
}
state = State::AmiiboIsOpen;
memcpy(nfc_data.data(), data.data(), data.size_bytes());
SetNfc(identifier, {Common::Input::NfcState::NewAmiibo, nfc_data});
return Info::Success;
}
VirtualAmiibo::Info VirtualAmiibo::ReloadAmiibo() {
if (state == State::AmiiboIsOpen) {
SetNfc(identifier, {Common::Input::NfcState::NewAmiibo, nfc_data});
return Info::Success;
}
return LoadAmiibo(file_path);
}
VirtualAmiibo::Info VirtualAmiibo::CloseAmiibo() {
state = polling_mode == Common::Input::PollingMode::NFC ? State::WaitingForAmiibo
: State::Initialized;
SetNfc(identifier, {Common::Input::NfcState::AmiiboRemoved, {}});
return Info::Success;
}
std::string VirtualAmiibo::GetLastFilePath() const {
return file_path;
}
} // namespace InputCommon
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