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

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/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/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 &n = ctx.navStack[ctx.navIdx];
+	auto const nextIdx = ctx.navIdx + 1;
+	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;