feat: add Config class

src/config.cpp

@@ -0,0 +1,83 @@
+#include <Cubed/config.hpp>
+#include <Cubed/tools/cubed_assert.hpp>
+#include <Cubed/tools/log.hpp>
+
+#include <filesystem>
+#include <fstream>
+namespace fs = std::filesystem;
+
+using namespace std::string_view_literals;
+
+namespace Cubed {
+
+Config::Config() {
+    load_or_create_config();
+}
+
+Config::~Config() {
+    save_to_file();
+}
+
+Config& Config::get() {
+    static Config instance;
+    return instance;
+}
+
+toml::table& Config::table() {
+    return m_tbl;
+}
+
+void Config::create_config() {
+    static constexpr auto SOURCE = R"(
+        version = "0.0.1"
+
+        [window]
+        width = 800
+        height = 600
+        fullscreen = false
+        V-Sync = true
+
+        [player]
+        fov = 70.0 
+        mouse_sensitivity = 0.15
+
+        [world]
+        rendering_distance = 24
+        
+    )"sv;
+
+    try {
+        m_tbl = toml::parse(SOURCE);
+    } catch (const toml::parse_error& err) {
+        Logger::error("Load Config Error {}", err.what());
+        ASSERT(false);
+        std::abort();
+    }
+    Logger::info("Create New Config File Success");
+
+}
+
+void Config::load_or_create_config() {
+    fs::path config_path {CONGIF_PATH};
+    if (!fs::is_regular_file(config_path)) {
+        create_config();
+    } else try {
+        m_tbl = toml::parse_file(config_path.string());
+    } catch (const toml::parse_error& err) {
+        Logger::error("Load Config Error: \"{}\"", err.what());
+        create_config();
+    }
+    
+    Logger::info("Load Config File Success");
+
+}
+
+void Config::save_to_file() {
+    fs::path config_path {CONGIF_PATH};
+    std::ofstream file{config_path};
+    file << m_tbl;
+    Logger::info("Save File Success");
+}
+
+
+}