[nostalgia] Cleanup config IO

src/nostalgia/modules/core/src/studio/tilesheeteditor/tilesheeteditor-imgui.cpp

@@ -15,16 +15,6 @@ namespace nostalgia::core {
 
 namespace ig = studio::ig;
 
-static ox::String configName(ox::StringView str) noexcept {
-	auto out = ox::String{str};
-	for (auto &c : out) {
-		if (c == '/' || c == '\\') {
-			c = '%';
-		}
-	}
-	return out;
-}
-
 struct TileSheetEditorConfig {
 	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.studio.TileSheetEditorConfig";
 	static constexpr auto TypeVersion = 1;
@@ -35,16 +25,6 @@ oxModelBegin(TileSheetEditorConfig)
 	oxModelFieldRename(activeSubsheet, active_subsheet)
 oxModelEnd()
 
-struct TileSheetEditorConfigs {
-	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.studio.TileSheetEditorConfigs";
-	static constexpr auto TypeVersion = 1;
-	ox::HashMap<ox::String, TileSheetEditorConfig> configs;
-};
-
-oxModelBegin(TileSheetEditorConfigs)
-	oxModelField(configs)
-oxModelEnd()
-
 static ox::Vector<uint32_t> normalizePixelSizes(
 		ox::Vector<uint8_t> const&inPixels,
 		int const bpp) noexcept {
@@ -120,7 +100,7 @@ TileSheetEditorImGui::TileSheetEditorImGui(studio::StudioContext &sctx, ox::Stri
 	m_model.paletteChanged.connect(this, &TileSheetEditorImGui::setPaletteSelection);
 	// load config
 	auto const&config = studio::readConfig<TileSheetEditorConfig>(
-			keelCtx(m_sctx), configName(itemPath()));
+			keelCtx(m_sctx), itemPath());
 	if (config.ok()) {
 		m_model.setActiveSubsheet(validateSubSheetIdx(m_model.img(), config.value.activeSubsheet));
 	}
@@ -537,9 +517,9 @@ ox::Error TileSheetEditorImGui::setPaletteSelection() noexcept {
 
 void TileSheetEditorImGui::setActiveSubsheet(TileSheet::SubSheetIdx path) noexcept {
 	m_model.setActiveSubsheet(path);
-	studio::editConfig<TileSheetEditorConfig>(keelCtx(m_sctx), configName(itemPath()),
-		[&path](TileSheetEditorConfig *config) {
-			config->activeSubsheet = std::move(path);
+	studio::editConfig<TileSheetEditorConfig>(keelCtx(m_sctx), itemPath(),
+		[&path](TileSheetEditorConfig &config) {
+			config.activeSubsheet = std::move(path);
 		});
 }