[nostalgia/player] Update hardcoded tilesheet refs to new file ext

src/nostalgia/player/app.cpp

@@ -65,7 +65,7 @@ static void testKeyEventHandler(turbine::Context &tctx, turbine::Key key, bool d
 
 [[maybe_unused]]
 static ox::Error runTest(turbine::Context &tctx) {
-	constexpr ox::StringView TileSheetAddr{"/TileSheets/Charset.ng"};
+	constexpr ox::StringView TileSheetAddr{"/TileSheets/Charset.nts"};
 	constexpr ox::StringView PaletteAddr{"/Palettes/Chester.npal"};
 	OX_REQUIRE_M(cctx, gfx::init(tctx));
 	turbine::setApplicationData(tctx, cctx.get());
@@ -91,10 +91,10 @@ static ox::Error runTileSheetSetTest(turbine::Context &tctx) {
 	gfx::TileSheetSet const set{
 		.bpp = 4,
 		.entries = {
-			{ .tilesheet = ox::StringLiteral{"/TileSheets/Chester.ng"}, .sections{{.begin = 0, .tiles = 1}} },
-			{ .tilesheet = ox::StringLiteral{"/TileSheets/AB.ng"},      .sections{{.begin = 0, .tiles = 2}} },
-			{ .tilesheet = ox::StringLiteral{"/TileSheets/CD.ng"},      .sections{{.begin = 0, .tiles = 2}} },
-			{ .tilesheet = ox::StringLiteral{"/TileSheets/AB.ng"},      .sections{{.begin = 1, .tiles = 1}} },
+			{ .tilesheet = ox::StringLiteral{"/TileSheets/Chester.nts"}, .sections{{.begin = 0, .tiles = 1}} },
+			{ .tilesheet = ox::StringLiteral{"/TileSheets/AB.nts"},      .sections{{.begin = 0, .tiles = 2}} },
+			{ .tilesheet = ox::StringLiteral{"/TileSheets/CD.nts"},      .sections{{.begin = 0, .tiles = 2}} },
+			{ .tilesheet = ox::StringLiteral{"/TileSheets/AB.nts"},      .sections{{.begin = 1, .tiles = 1}} },
 		},
 	};
 	constexpr auto bgPalBank = 1;

src/olympic/keel/include/keel/media.hpp

@@ -63,8 +63,11 @@ namespace detail {
 template<typename T>
 constexpr auto makeLoader(Context &ctx) {
 	return [&ctx](ox::StringViewCR assetId) -> ox::Result<T> {
-		OX_REQUIRE(p, ctx.uuidToPath.at(assetId));
-		OX_REQUIRE(buff, ctx.rom->read(*p));
+		auto const p = ctx.uuidToPath.at(assetId);
+		if (p.error) {
+			return ox::Error{1, "Asset ID not found"};
+		}
+		OX_REQUIRE(buff, ctx.rom->read(*p.value));
 		auto [obj, err] = readAsset<T>(buff);
 		if (err) {
 			if (err != ox::Error_ClawTypeVersionMismatch && err != ox::Error_ClawTypeMismatch) {

src/olympic/keel/src/media.cpp

@@ -76,8 +76,11 @@ ox::Error buildUuidMap(Context &ctx) noexcept {
 
 ox::Result<ox::UUID> pathToUuid(Context &ctx, ox::StringViewCR path) noexcept {
 #ifndef OX_BARE_METAL
-	OX_REQUIRE(out, ctx.pathToUuid.at(path));
-	return *out;
+	auto const out = ctx.pathToUuid.at(path);
+	if (out.error) {
+		return ox::Error{1, "Path not found"};
+	}
+	return *out.value;
 #else
 	return ox::Error(1, "UUID to path conversion not supported on this platform");
 #endif