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service/ptm: Add Get/SetPlayCoins functions

This commit is contained in:
zhupengfei 2018-09-13 22:43:15 +08:00
parent ca701e2610
commit 458f8d103b
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GPG Key ID: 85B82A3E62174206
2 changed files with 71 additions and 17 deletions
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66
src/core/hle/service/ptm/ptm.cpp
View File

@ -136,12 +136,12 @@ void Module::Interface::CheckNew3DS(Kernel::HLERequestContext& ctx) {
Service::PTM::CheckNew3DS(rb);
}
Module::Module() {
// Open the SharedExtSaveData archive 0xF000000B and create the gamecoin.dat file if it doesn't
// exist
static void WriteGameCoinData(GameCoin gamecoin_data) {
FileSys::Path archive_path(ptm_shared_extdata_id);
auto archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
FileSys::Path gamecoin_path("/gamecoin.dat");
// If the archive didn't exist, create the files inside
if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
// Format the archive to create the directories
@ -150,10 +150,12 @@ Module::Module() {
// Open it again to get a valid archive now that the folder exists
archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
ASSERT_MSG(archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");
FileSys::Path gamecoin_path("/gamecoin.dat");
// Create the game coin file
Service::FS::CreateFileInArchive(*archive_result, gamecoin_path, sizeof(GameCoin));
} else {
ASSERT_MSG(archive_result.Succeeded(), "Could not open the PTM SharedExtSaveData archive!");
}
FileSys::Mode open_mode = {};
open_mode.write_flag.Assign(1);
// Open the file and write the default gamecoin information
@ -162,10 +164,60 @@ Module::Module() {
if (gamecoin_result.Succeeded()) {
auto gamecoin = std::move(gamecoin_result).Unwrap();
gamecoin->backend->Write(0, sizeof(GameCoin), true,
reinterpret_cast<const u8*>(&default_game_coin));
reinterpret_cast<const u8*>(&gamecoin_data));
gamecoin->backend->Close();
}
}
static GameCoin ReadGameCoinData() {
FileSys::Path archive_path(ptm_shared_extdata_id);
auto archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
if (!archive_result.Succeeded()) {
LOG_ERROR(Service_PTM, "Could not open the PTM SharedExtSaveData archive!");
return default_game_coin;
}
FileSys::Path gamecoin_path("/gamecoin.dat");
FileSys::Mode open_mode = {};
open_mode.read_flag.Assign(1);
auto gamecoin_result =
Service::FS::OpenFileFromArchive(*archive_result, gamecoin_path, open_mode);
if (!gamecoin_result.Succeeded()) {
LOG_ERROR(Service_PTM, "Could not open the game coin data file!");
return default_game_coin;
}
u16 result;
auto gamecoin = std::move(gamecoin_result).Unwrap();
GameCoin gamecoin_data;
gamecoin->backend->Read(0, sizeof(GameCoin), reinterpret_cast<u8*>(&gamecoin_data));
gamecoin->backend->Close();
return gamecoin_data;
}
Module::Module() {
// Open the SharedExtSaveData archive 0xF000000B and create the gamecoin.dat file if it doesn't
// exist
FileSys::Path archive_path(ptm_shared_extdata_id);
auto archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
// If the archive didn't exist, write the default game coin file
if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
WriteGameCoinData(default_game_coin);
}
}
u16 Module::GetPlayCoins() {
return ReadGameCoinData().total_coins;
}
void Module::SetPlayCoins(u16 play_coins) {
GameCoin game_coin = ReadGameCoinData();
game_coin.total_coins = play_coins;
// TODO: This may introduce potential race condition if the game is reading the
// game coin data at the same time
WriteGameCoinData(game_coin);
}
Module::Interface::Interface(std::shared_ptr<Module> ptm, const char* name, u32 max_session)

2
src/core/hle/service/ptm/ptm.h
View File

@ -42,6 +42,8 @@ void CheckNew3DS(IPC::RequestBuilder& rb);
class Module final {
public:
Module();
static u16 GetPlayCoins();
static void SetPlayCoins(u16 play_coins);
class Interface : public ServiceFramework<Interface> {
public: