Use file backup system for config files (#335)

* Use file backup system for config files

* Add -fexceptions to windows cxxflags in workflow
This commit is contained in:
Wiseguy 2024-06-01 17:22:33 -04:00 committed by GitHub
parent 3e5efc935e
commit ce406e9c5d
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6 changed files with 159 additions and 79 deletions

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@ -158,7 +158,7 @@ jobs:
# enable ccache
set $env:PATH="$env:USERPROFILE/.cargo/bin;$env:PATH"
cmake -DCMAKE_BUILD_TYPE=${{ matrix.type }} -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_C_COMPILER=clang-cl -DCMAKE_MAKE_PROGRAM=ninja -G Ninja -S . -B cmake-build -DCMAKE_CXX_FLAGS="-Xclang -fcxx-exceptions"
cmake -DCMAKE_BUILD_TYPE=${{ matrix.type }} -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_C_COMPILER=clang-cl -DCMAKE_MAKE_PROGRAM=ninja -G Ninja -S . -B cmake-build -DCMAKE_CXX_FLAGS="-Xclang -fexceptions -Xclang -fcxx-exceptions"
cmake --build cmake-build --config ${{ matrix.type }} --target Zelda64Recompiled -j 8
- name: Prepare Archive
run: |

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@ -130,6 +130,7 @@ set (SOURCES
${CMAKE_SOURCE_DIR}/src/recomp/dp.cpp
${CMAKE_SOURCE_DIR}/src/recomp/eep.cpp
${CMAKE_SOURCE_DIR}/src/recomp/euc-jp.cpp
${CMAKE_SOURCE_DIR}/src/recomp/files.cpp
${CMAKE_SOURCE_DIR}/src/recomp/flash.cpp
${CMAKE_SOURCE_DIR}/src/recomp/math_routines.cpp
${CMAKE_SOURCE_DIR}/src/recomp/overlays.cpp

14
include/recomp_files.h Normal file
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@ -0,0 +1,14 @@
#ifndef __RECOMP_FILES_H__
#define __RECOMP_FILES_H__
#include <filesystem>
#include <fstream>
namespace recomp {
std::ifstream open_input_file_with_backup(const std::filesystem::path& filepath, std::ios_base::openmode mode = std::ios_base::in);
std::ifstream open_input_backup_file(const std::filesystem::path& filepath, std::ios_base::openmode mode = std::ios_base::in);
std::ofstream open_output_file_with_backup(const std::filesystem::path& filepath, std::ios_base::openmode mode = std::ios_base::out);
bool finalize_output_file_with_backup(const std::filesystem::path& filepath);
};
#endif

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@ -1,6 +1,7 @@
#include "recomp_config.h"
#include "recomp_input.h"
#include "recomp_sound.h"
#include "recomp_files.h"
#include "../../ultramodern/config.hpp"
#include <filesystem>
#include <fstream>
@ -153,9 +154,48 @@ std::filesystem::path recomp::get_app_folder_path() {
return recomp_dir;
}
void save_general_config(const std::filesystem::path& path) {
std::ofstream config_file{path};
bool read_json(std::ifstream input_file, nlohmann::json& json_out) {
if (!input_file.good()) {
return false;
}
try {
input_file >> json_out;
}
catch (nlohmann::json::parse_error&) {
return false;
}
return true;
}
bool read_json_with_backups(const std::filesystem::path& path, nlohmann::json& json_out) {
// Try reading and parsing the base file.
if (read_json(std::ifstream{path}, json_out)) {
return true;
}
// Try reading and parsing the backup file.
if (read_json(recomp::open_input_backup_file(path), json_out)) {
return true;
}
// Both reads failed.
return false;
}
bool save_json_with_backups(const std::filesystem::path& path, const nlohmann::json& json_data) {
{
std::ofstream output_file = recomp::open_output_file_with_backup(path);
if (!output_file.good()) {
return false;
}
output_file << std::setw(4) << json_data;
}
return recomp::finalize_output_file_with_backup(path);
}
bool save_general_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
recomp::to_json(config_json["targeting_mode"], recomp::get_targeting_mode());
@ -169,7 +209,8 @@ void save_general_config(const std::filesystem::path& path) {
config_json["analog_cam_mode"] = recomp::get_analog_cam_mode();
config_json["analog_camera_invert_mode"] = recomp::get_analog_camera_invert_mode();
config_json["debug_mode"] = recomp::get_debug_mode_enabled();
config_file << std::setw(4) << config_json;
return save_json_with_backups(path, config_json);
}
void set_general_settings_from_json(const nlohmann::json& config_json) {
@ -186,13 +227,14 @@ void set_general_settings_from_json(const nlohmann::json& config_json) {
recomp::set_debug_mode_enabled(from_or_default(config_json, "debug_mode", false));
}
void load_general_config(const std::filesystem::path& path) {
std::ifstream config_file{path};
bool load_general_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
config_file >> config_json;
if (!read_json_with_backups(path, config_json)) {
return false;
}
set_general_settings_from_json(config_json);
return true;
}
void assign_mapping(recomp::InputDevice device, recomp::GameInput input, const std::vector<recomp::InputField>& value) {
@ -263,23 +305,22 @@ void reset_graphics_options() {
ultramodern::set_graphics_config(new_config);
}
void save_graphics_config(const std::filesystem::path& path) {
std::ofstream config_file{path};
bool save_graphics_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
ultramodern::to_json(config_json, ultramodern::get_graphics_config());
config_file << std::setw(4) << config_json;
return save_json_with_backups(path, config_json);
}
void load_graphics_config(const std::filesystem::path& path) {
std::ifstream config_file{path};
bool load_graphics_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
config_file >> config_json;
if (!read_json_with_backups(path, config_json)) {
return false;
}
ultramodern::GraphicsConfig new_config{};
ultramodern::from_json(config_json, new_config);
ultramodern::set_graphics_config(new_config);
return true;
}
void add_input_bindings(nlohmann::json& out, recomp::GameInput input, recomp::InputDevice device) {
@ -291,7 +332,7 @@ void add_input_bindings(nlohmann::json& out, recomp::GameInput input, recomp::In
}
};
void save_controls_config(const std::filesystem::path& path) {
bool save_controls_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
config_json["keyboard"] = {};
@ -304,8 +345,7 @@ void save_controls_config(const std::filesystem::path& path) {
add_input_bindings(config_json["controller"], cur_input, recomp::InputDevice::Controller);
}
std::ofstream config_file{path};
config_file << std::setw(4) << config_json;
return save_json_with_backups(path, config_json);
}
bool load_input_device_from_json(const nlohmann::json& config_json, recomp::InputDevice device, const std::string& key) {
@ -349,11 +389,11 @@ bool load_input_device_from_json(const nlohmann::json& config_json, recomp::Inpu
return true;
}
void load_controls_config(const std::filesystem::path& path) {
std::ifstream config_file{path};
bool load_controls_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
config_file >> config_json;
if (!read_json_with_backups(path, config_json)) {
return false;
}
if (!load_input_device_from_json(config_json, recomp::InputDevice::Keyboard, "keyboard")) {
assign_all_mappings(recomp::InputDevice::Keyboard, recomp::default_n64_keyboard_mappings);
@ -362,29 +402,30 @@ void load_controls_config(const std::filesystem::path& path) {
if (!load_input_device_from_json(config_json, recomp::InputDevice::Controller, "controller")) {
assign_all_mappings(recomp::InputDevice::Controller, recomp::default_n64_controller_mappings);
}
return true;
}
void save_sound_config(const std::filesystem::path& path) {
bool save_sound_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
config_json["main_volume"] = recomp::get_main_volume();
config_json["bgm_volume"] = recomp::get_bgm_volume();
config_json["low_health_beeps"] = recomp::get_low_health_beeps_enabled();
std::ofstream config_file{path};
config_file << std::setw(4) << config_json;
return save_json_with_backups(path, config_json);
}
void load_sound_config(const std::filesystem::path& path) {
std::ifstream config_file{path};
bool load_sound_config(const std::filesystem::path& path) {
nlohmann::json config_json{};
config_file >> config_json;
if (!read_json_with_backups(path, config_json)) {
return false;
}
recomp::reset_sound_settings();
call_if_key_exists(recomp::set_main_volume, config_json, "main_volume");
call_if_key_exists(recomp::set_bgm_volume, config_json, "bgm_volume");
call_if_key_exists(recomp::set_low_health_beeps_enabled, config_json, "low_health_beeps");
return true;
}
void recomp::load_config() {
@ -400,35 +441,25 @@ void recomp::load_config() {
std::filesystem::create_directories(recomp_dir);
}
if (std::filesystem::exists(general_path)) {
load_general_config(general_path);
}
else {
// TODO error handling for failing to save config files after resetting them.
if (!load_general_config(general_path)) {
// Set the general settings from an empty json to use defaults.
set_general_settings_from_json({});
save_general_config(general_path);
}
if (std::filesystem::exists(graphics_path)) {
load_graphics_config(graphics_path);
}
else {
if (!load_graphics_config(graphics_path)) {
reset_graphics_options();
save_graphics_config(graphics_path);
}
if (std::filesystem::exists(controls_path)) {
load_controls_config(controls_path);
}
else {
if (!load_controls_config(controls_path)) {
recomp::reset_input_bindings();
save_controls_config(controls_path);
}
if (std::filesystem::exists(sound_path)) {
load_sound_config(sound_path);
}
else {
if (!load_sound_config(sound_path)) {
recomp::reset_sound_settings();
save_sound_config(sound_path);
}
@ -442,6 +473,8 @@ void recomp::save_config() {
}
std::filesystem::create_directories(recomp_dir);
// TODO error handling for failing to save config files.
save_general_config(recomp_dir / general_filename);
save_graphics_config(recomp_dir / graphics_filename);

51
src/recomp/files.cpp Normal file
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@ -0,0 +1,51 @@
#include "recomp_files.h"
constexpr std::u8string_view backup_suffix = u8".bak";
constexpr std::u8string_view temp_suffix = u8".temp";
std::ifstream recomp::open_input_backup_file(const std::filesystem::path& filepath, std::ios_base::openmode mode) {
std::filesystem::path backup_path{filepath};
backup_path += backup_suffix;
return std::ifstream{backup_path, mode};
}
std::ifstream recomp::open_input_file_with_backup(const std::filesystem::path& filepath, std::ios_base::openmode mode) {
std::ifstream ret{filepath, mode};
// Check if the file failed to open and open the corresponding backup file instead if so.
if (!ret.good()) {
return open_input_backup_file(filepath, mode);
}
return ret;
}
std::ofstream recomp::open_output_file_with_backup(const std::filesystem::path& filepath, std::ios_base::openmode mode) {
std::filesystem::path temp_path{filepath};
temp_path += temp_suffix;
std::ofstream temp_file_out{ temp_path, mode };
return temp_file_out;
}
bool recomp::finalize_output_file_with_backup(const std::filesystem::path& filepath) {
std::filesystem::path backup_path{filepath};
backup_path += backup_suffix;
std::filesystem::path temp_path{filepath};
temp_path += temp_suffix;
std::error_code ec;
if (std::filesystem::exists(filepath, ec)) {
std::filesystem::copy_file(filepath, backup_path, std::filesystem::copy_options::overwrite_existing, ec);
if (ec) {
return false;
}
}
std::filesystem::copy_file(temp_path, filepath, std::filesystem::copy_options::overwrite_existing, ec);
if (ec) {
return false;
}
std::filesystem::remove(temp_path, ec);
return true;
}

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@ -7,6 +7,7 @@
#include "recomp.h"
#include "recomp_game.h"
#include "recomp_config.h"
#include "recomp_files.h"
#include "../ultramodern/ultra64.h"
#include "../ultramodern/ultramodern.hpp"
@ -96,42 +97,28 @@ struct {
const std::u8string save_folder = u8"saves";
const std::u8string save_filename = std::u8string{recomp::mm_game_id} + u8".bin";
const std::u8string save_filename_temp = std::u8string{recomp::mm_game_id} + u8".bin.temp";
const std::u8string save_filename_backup = std::u8string{recomp::mm_game_id} + u8".bin.bak";
std::filesystem::path get_save_file_path() {
return recomp::get_app_folder_path() / save_folder / save_filename;
}
std::filesystem::path get_save_file_path_temp() {
return recomp::get_app_folder_path() / save_folder / save_filename_temp;
}
std::filesystem::path get_save_file_path_backup() {
return recomp::get_app_folder_path() / save_folder / save_filename_backup;
}
void update_save_file() {
bool saving_failed = false;
{
std::ofstream save_file{ get_save_file_path_temp(), std::ios_base::binary };
std::ofstream save_file = recomp::open_output_file_with_backup(get_save_file_path(), std::ios_base::binary);
if (save_file.good()) {
std::lock_guard lock{ save_context.save_buffer_mutex };
save_file.write(save_context.save_buffer.data(), save_context.save_buffer.size());
}
else {
recomp::message_box("Failed to write to the save file. Check your file permissions. If you have moved your appdata folder to Dropbox or similar, this can cause issues.");
saving_failed = false;
}
}
std::error_code ec;
if (std::filesystem::exists(get_save_file_path(), ec)) {
std::filesystem::copy_file(get_save_file_path(), get_save_file_path_backup(), std::filesystem::copy_options::overwrite_existing, ec);
if (ec) {
printf("[ERROR] Failed to copy save file backup\n");
}
if (!saving_failed) {
saving_failed = recomp::finalize_output_file_with_backup(get_save_file_path());
}
std::filesystem::copy_file(get_save_file_path_temp(), get_save_file_path(), std::filesystem::copy_options::overwrite_existing, ec);
if (ec) {
if (saving_failed) {
recomp::message_box("Failed to write to the save file. Check your file permissions. If you have moved your appdata folder to Dropbox or similar, this can cause issues.");
}
}
@ -199,24 +186,18 @@ void save_clear(uint32_t start, uint32_t size, char value) {
void ultramodern::init_saving(RDRAM_ARG1) {
std::filesystem::path save_file_path = get_save_file_path();
std::filesystem::path save_file_path_backup = get_save_file_path_backup();
// Ensure the save file directory exists.
std::filesystem::create_directories(save_file_path.parent_path());
// Read the save file if it exists.
std::ifstream save_file{ save_file_path, std::ios_base::binary };
std::ifstream save_file = recomp::open_input_file_with_backup(save_file_path, std::ios_base::binary);
if (save_file.good()) {
save_file.read(save_context.save_buffer.data(), save_context.save_buffer.size());
} else {
// Reading the save file faield, so try to read the backup save file.
std::ifstream save_file_backup{ save_file_path_backup, std::ios_base::binary };
if (save_file_backup.good()) {
save_file_backup.read(save_context.save_buffer.data(), save_context.save_buffer.size());
} else {
// Otherwise clear the save file to all zeroes.
save_context.save_buffer.fill(0);
}
}
else {
// Otherwise clear the save file to all zeroes.
save_context.save_buffer.fill(0);
}
save_context.saving_thread = std::thread{saving_thread_func, PASS_RDRAM};