toml format is now used for settings file

src/voxel_engine.cpp

@@ -10,18 +10,47 @@
 #include "util/platform.h"
 #include "engine.h"
 
+#include "coders/toml.h"
+#include "files/files.h"
+
+inline toml::Wrapper create_wrapper(EngineSettings& settings) {
+	toml::Wrapper wrapper;
+	toml::Section& display = wrapper.add("display");
+	display.add("width", &settings.display.width);
+	display.add("height", &settings.display.height);
+	display.add("samples", &settings.display.samples);
+	display.add("swap-interval", &settings.display.swapInterval);
+
+	toml::Section& chunks = wrapper.add("chunks");
+	chunks.add("load-distance", &settings.chunks.loadDistance);
+	chunks.add("load-speed", &settings.chunks.loadSpeed);
+	chunks.add("padding", &settings.chunks.padding);
+	
+	toml::Section& camera = wrapper.add("camera");
+	camera.add("fov-effects", &settings.camera.fovEvents);
+	camera.add("shaking", &settings.camera.shaking);
+
+	toml::Section& graphics = wrapper.add("graphics");
+	graphics.add("fog-curve", &settings.fogCurve);
+	return wrapper;
+}
+
 int main() {
 	platform::configure_encoding();
 	setup_definitions();
 	try {
 	    EngineSettings settings;
+		toml::Wrapper wrapper = create_wrapper(settings);
+
 		std::string settings_file = platform::get_settings_file();
 		if (std::filesystem::is_regular_file(settings_file)) {
 			std::cout << "-- loading settings" << std::endl;
-			load_settings(settings, settings_file);
+			std::string content = files::read_string(settings_file);
+			toml::Reader reader(&wrapper, settings_file, content);
+			reader.read();
 		} else {
 			std::cout << "-- creating settings file " << settings_file << std::endl;
-			save_settings(settings, settings_file);
+			files::write_string(settings_file, wrapper.write());
 		}
 		Engine engine(settings);
 		engine.mainloop();