[studio] Fix navigate back not to iterate on the first item twice

deps/ox/src/ox/std/memory.hpp

@@ -213,8 +213,7 @@ class UniquePtr {
 			return m_t;
 		}
 
-		template<typename U, typename UDeleter>
+		constexpr void reset(UniquePtr &&other = UniquePtr()) {
-		constexpr void reset(UniquePtr<U, UDeleter> &&other = UniquePtr()) {
 			auto t = m_t;
 			m_t = other.release();
 			Deleter()(t);

deps/ox/src/ox/std/stringliteral.hpp

@@ -19,7 +19,7 @@ namespace ox {
  */
 class StringLiteral: public detail::BaseStringView {
 	public:
-		consteval StringLiteral() noexcept = default;
+		constexpr StringLiteral() noexcept = default;
 
 		constexpr StringLiteral(StringLiteral const &sv) noexcept = default;
 

release-notes.md

@@ -1,3 +1,9 @@
+# d2025.07.0
+
+* Add sub-command for exporting TileSheets as PNG files.
+* Add 'Reload Project' menu item under File.
+* Fix opening a project to mark an unopenable file as closed in the config file on startup.
+
 # d2025.06.0
 
 * Add ability to remember recent projects in config

src/nostalgia/modules/gfx/include/nostalgia/gfx/consts.hpp

@@ -21,9 +21,28 @@ constexpr ox::Array<ox::StringLiteral, 2> FileExts_TileSheet{
 	FileExt_ng,
 };
 
+constexpr ox::Array<ox::StringLiteral, 2> FileExts_Palette{
+	FileExt_npal,
+};
+
 [[nodiscard]]
 constexpr bool isTileSheet(ox::StringViewCR path) noexcept {
-	return endsWith(path, FileExt_nts) || endsWith(path, FileExt_ng);
+	return ox::any_of(
+		FileExts_TileSheet.begin(),
+		FileExts_TileSheet.end(),
+		[path](ox::StringLiteral const &ext) {
+			return endsWith(path, ext);
+		});
+}
+
+[[nodiscard]]
+constexpr bool isPalette(ox::StringViewCR path) noexcept {
+	return ox::any_of(
+		FileExts_Palette.begin(),
+		FileExts_Palette.end(),
+		[path](ox::StringLiteral const &ext) {
+			return endsWith(path, ext);
+		});
 }
 
 }

src/nostalgia/modules/gfx/src/studio/paletteeditor/paletteeditor-imgui.cpp

@@ -72,7 +72,7 @@ PaletteEditorImGui::PaletteEditorImGui(studio::Context &sctx, ox::StringParam pa
 		Editor(sctx, std::move(path)),
 		m_sctx(sctx),
 		m_tctx(sctx.tctx),
-		m_pal(*keel::readObj<Palette>(keelCtx(m_tctx), itemPath()).unwrapThrow()) {
+		m_pal(m_sctx.project->loadObj<Palette>(itemPath()).unwrapThrow()) {
 	undoStack()->changeTriggered.connect(this, &PaletteEditorImGui::handleCommand);
 	m_pageRenameDlg.inputSubmitted.connect(this, &PaletteEditorImGui::renamePage);
 }

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp

@@ -49,7 +49,7 @@ TileSheetEditorModel::TileSheetEditorModel(
 		m_sctx{sctx},
 		m_tctx{m_sctx.tctx},
 		m_path{std::move(path)},
-		m_img{*readObj<TileSheet>(keelCtx(m_tctx), m_path).unwrapThrow()},
+		m_img{m_sctx.project->loadObj<TileSheet>(m_path).unwrapThrow()},
 		// ignore failure to load palette
 		m_pal{readObj<Palette>(keelCtx(m_tctx), m_img.defaultPalette).value},
 		m_undoStack{undoStack} {

src/nostalgia/studio/CMakeLists.txt

@@ -15,7 +15,7 @@ target_link_libraries(
 
 target_compile_definitions(
 	NostalgiaStudio PUBLIC
-		OLYMPIC_APP_VERSION="dev build"
+		OLYMPIC_APP_VERSION="d2025.07.0"
 )
 
 install(

src/nostalgia/studio/Info.plist

@@ -18,7 +18,7 @@
 	<string>APPL</string>
 
 	<key>CFBundleVersion</key>
-	<string>dev build</string>
+	<string>d2025.07.0</string>
 
 	<key>LSMinimumSystemVersion</key>
 	<string>12.0.0</string>

src/olympic/keel/include/keel/asset.hpp

@@ -25,12 +25,11 @@ ox::Error writeUuidHeader(ox::Writer_c auto &writer, ox::UUID const&uuid) noexce
 
 template<typename T>
 ox::Result<T> readAsset(ox::BufferView buff) noexcept {
-	std::size_t offset = 0;
 	auto const err = readUuidHeader(buff).error;
 	if (!err) {
-		offset = K1HdrSz; // the size of K1 headers
+		buff += K1HdrSz; // the size of K1 headers
 	}
-	auto out = ox::readClaw<T>(buff + offset);
+	auto out = ox::readClaw<T>(buff);
 	OX_RETURN_ERROR(out);
 	OX_RETURN_ERROR(ensureValid(out.value));
 	return out;

src/olympic/keel/include/keel/assetmanager.hpp

@@ -64,11 +64,13 @@ class AssetContainer {
 
 	protected:
 		constexpr void incRefs() const noexcept {
+			oxAssert(m_references < ox::MaxValue<decltype(m_references)>, "reference count exceeds maximum");
 			++m_references;
 		}
 
 		constexpr void decRefs() const noexcept {
 			--m_references;
+			oxAssert(m_references >= 0, "negative references");
 		}
 
 		[[nodiscard]]
@@ -162,6 +164,7 @@ template<typename T>
 constexpr AssetRef<T>::AssetRef(AssetContainer<T> const*c) noexcept: m_ctr(c) {
 	if (m_ctr) {
 		m_ctr->updated.connect(this, &AssetRef::emitUpdated);
+		m_ctr->incRefs();
 	}
 }
 

src/olympic/keel/src/media.cpp

@@ -261,6 +261,9 @@ namespace keel {
 ox::Error setRomFs(Context &ctx, ox::UPtr<ox::FileSystem> &&fs, DuplicateSet &duplicateSet) noexcept {
 	ctx.rom = std::move(fs);
 	clearUuidMap(ctx);
+#ifndef OX_BARE_METAL
+	ctx.assetManager.gc();
+#endif
 	return buildUuidMap(ctx, &duplicateSet);
 }
 

src/olympic/studio/applib/src/studioui.cpp

@@ -250,6 +250,9 @@ void StudioUI::drawMenu() noexcept {
 			if (ImGui::MenuItem("Open Project...", STUDIO_CTRL "+O")) {
 				m_taskRunner.add(*ox::make<FileDialogManager>(this, &StudioUI::openProjectPath));
 			}
+			if (ImGui::MenuItem("Reload Project")) {
+				oxLogError(openProjectPath(m_project->projectPath()));
+			}
 			if (ImGui::BeginMenu("Recent Projects", m_recentProjects.size() > 1)) {
 				for (size_t i = 1; i < m_recentProjects.size(); ++i) {
 					auto const &p = m_recentProjects[i];
@@ -636,6 +639,9 @@ ox::Error StudioUI::createOpenProject(ox::StringViewCR path) noexcept {
 
 ox::Error StudioUI::openProjectPath(ox::StringParam path) noexcept {
 	OX_REQUIRE_M(fs, keel::loadRomFs(path.view()));
+	m_project.reset();
+	m_openFiles.clear();
+	m_editors.clear();
 	keel::DuplicateSet ds;
 	OX_RETURN_ERROR(keel::setRomFs(keelCtx(m_tctx), std::move(fs), ds));
 	if (ds.size()) {
@@ -665,8 +671,6 @@ ox::Error StudioUI::openProjectPath(ox::StringParam path) noexcept {
 	m_project->dirDeleted.connect(this, &StudioUI::handleDeleteDir);
 	m_project->fileDeleted.connect(this, &StudioUI::handleDeleteFile);
 	m_project->fileMoved.connect(this, &StudioUI::handleMoveFile);
-	m_openFiles.clear();
-	m_editors.clear();
 	studio::editConfig<StudioConfig>(keelCtx(m_tctx), [&](StudioConfig &config) {
 		auto const pcIt = std::find_if(
 			config.projects.begin(), config.projects.end(),

src/olympic/studio/modlib/include/studio/project.hpp

@@ -189,6 +189,10 @@ ox::Result<T> Project::loadObj(ox::StringViewCR path) const noexcept {
 	if constexpr(ox::is_same_v<T, ox::ModelObject>) {
 		return keel::readAsset(m_typeStore, buff);
 	} else {
+		OX_REQUIRE(typeId, keel::readAssetTypeId(buff));
+		if (typeId != ox::ModelTypeId_v<T>) {
+			return keel::convert<T>(m_kctx, buff);
+		}
 		return keel::readAsset<T>(buff);
 	}
 }

src/olympic/studio/modlib/src/context.cpp

@@ -8,13 +8,18 @@ namespace studio {
 
 void navigateTo(Context &ctx, ox::StringParam filePath, ox::StringParam navArgs) noexcept {
 	ox::String path = std::move(filePath);
-	if (beginsWith(path, "uuid://")) {
+	if (keel::isUuidUrl(path)) {
 		auto const [p, err] = keel::uuidUrlToPath(keelCtx(ctx), path);
 		if (err) {
 			return;
 		}
 		path = p;
 	}
+	//if (
+	//	auto const [np, err] = ctx.navStack.back();
+	//	!err && np->filePath == path && np->navArgs == navArgs.view()) {
+	//	return;
+	//}
 	ctx.navStack.resize(ctx.navIdx + 1);
 	ctx.navStack.emplace_back(ox::String{path}, ox::String{navArgs.view()});
 	try {
@@ -49,8 +54,9 @@ void navigateBack(Context &ctx) noexcept {
 }
 
 void navigateForward(Context &ctx) noexcept {
-	while (ctx.navIdx < ctx.navStack.size()) {
+	auto const nextIdx = ctx.navIdx + 1;
-		auto const &n = ctx.navStack[ctx.navIdx];
+	while (nextIdx < ctx.navStack.size()) {
+		auto const &n = ctx.navStack[nextIdx];
 		try {
 			ctx.navCallback(n.filePath, n.navArgs);
 		} catch (std::exception const &e) {
@@ -58,7 +64,7 @@ void navigateForward(Context &ctx) noexcept {
 			oxErrf("navigateForward failed: {}", e.what());
 		}
 		if (!ctx.project->exists(n.filePath)) {
-			std::ignore = ctx.navStack.erase(ctx.navIdx);
+			std::ignore = ctx.navStack.erase(nextIdx);
 			continue;
 		}
 		++ctx.navIdx;