[Makefile] Add targets for build-pack and build-gba-player, update pkg-gba target to use them

671fa54f [ox/std] Make ox::Vector::push_back comply with std::vector::push_back
51743267 [nostalgia/gfx/studio] Cleanup includes
b31c01f7 [keel,studio] Cleanup
f41213f1 [ox/std] Fix channel format for oxLogError
28be7c46 [ox/fs] Fix write functions to take SpanViews
2f340b13 [ox/std] Fix Windows GCC build
312c8188 [nostalgia/gfx/studio] Remove unused variable
0d69d0c4 [ox/std] Remove oxDebug line
81a0b8c8 [ox/mc] Remove an oxDebug line
172b5aee [ox/oc] Remove an oxDebug line
2b5338a9 [nostalgia] Improve Makefile dependency handling
8a430faf [keel] Cleanup
e59382dd [keel] Address undefined behavior
3006e77e [ox/std] Add and integrate std::launder
59c112a6 [studio] Fix navigate back not to iterate on the first item twice

git-subtree-dir: deps/nostalgia
git-subtree-split: 671fa54f6f3f16f4772353bb0b12cfe09dd2fd92

Makefile

@@ -15,16 +15,26 @@ else
 endif
 
 .PHONY: pkg-gba
-pkg-gba: build
+pkg-gba: build-pack build-gba-player
 	${BC_CMD_ENVRUN} ${BC_PY3} deps/nostalgia/util/scripts/pkg-gba.py project ${BC_VAR_PROJECT_NAME_CAP}
 
 .PHONY: pkg-mac
 pkg-mac: install
 	${BC_CMD_ENVRUN} ${BC_PY3} deps/nostalgia/util/scripts/pkg-dmg.py JasperStudio
 
+.PHONY: build-gba-player
+build-gba-player:
+	cmake --build ./build/gba-*
+
 .PHONY: build-player
 build-player:
 	${BC_CMD_CMAKE_BUILD} ${BC_VAR_BUILD_PATH} ${BC_VAR_PROJECT_NAME_CAP}
+
+.PHONY: build-pack
+build-pack:
+	cmake --build ./build/${BC_VAR_CURRENT_BUILD} --target ${BC_VAR_PROJECT_NAME}-pack
+
+
 .PHONY: run
 run: build-player
 	${PROJECT_PLAYER} project
@@ -65,3 +75,38 @@ git-push-nostalgia:
 .PHONY: generate-studio-rsrc
 generate-studio-rsrc:
 	${BC_CMD_ENVRUN} ${BC_PY3} deps/nostalgia/util/scripts/file-to-cpp.py --rsrc src/jasper/tools/rsrc.json
+
+.PHONY: loc
+loc:
+	${BC_PY3} deps/nostalgia/util/scripts/loc.py \
+		--search-dirs \
+			src \
+		--include-exts \
+			.cpp \
+			.hpp \
+			.py \
+			.s \
+			.cmake
+
+.PHONY: loc-full
+loc-full:
+	${BC_PY3} deps/nostalgia/util/scripts/loc.py \
+		--search-dirs \
+			src \
+			deps/nostalgia/src \
+			deps/nostalgia/deps/ox/src \
+			deps/nostalgia/deps/buildcore \
+			deps/nostalgia/deps/gbabuildcore \
+			deps/nostalgia/deps/glutils \
+			deps/nostalgia/deps/teagba \
+		--include-exts \
+			.cpp \
+			.hpp \
+			.py \
+			.s \
+			.cmake \
+		--exclude-paths \
+			deps/nostalgia/deps/teagba/src/gba_crt0.s \
+			deps/nostalgia/src/olympic/studio/applib/src/font.cpp \
+			deps/nostalgia/src/olympic/studio/applib/src/font.hpp \
+			deps/nostalgia/src/nostalgia/studio/icondata.cpp

deps/nostalgia/Makefile

@@ -14,7 +14,7 @@ endif
 PROJECT_PLAYER=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}
 
 .PHONY: pkg-gba
-pkg-gba: build
+pkg-gba: build-pack build-gba-player
 	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-gba.py sample_project ${BC_VAR_PROJECT_NAME_CAP}
 
 .PHONY: pkg-mac
@@ -26,25 +26,44 @@ generate-studio-rsrc:
 	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/file-to-cpp.py --rsrc src/olympic/studio/applib/src/rsrc.json
 	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/file-to-cpp.py --rsrc src/nostalgia/studio/rsrc.json
 
+.PHONY: build-gba-player
+build-gba-player:
+	cmake --build ./build/gba-*
+
 .PHONY: build-player
 build-player:
 	${BC_CMD_CMAKE_BUILD} ${BC_VAR_BUILD_PATH} ${BC_VAR_PROJECT_NAME_CAP}
+
+.PHONY: build-pack
+build-pack:
+	cmake --build ./build/${BC_VAR_CURRENT_BUILD} --target ${BC_VAR_PROJECT_NAME}-pack
+
+
 .PHONY: run
 run: build-player
 	${PROJECT_PLAYER} sample_project
+
+.PHONY: build-studio
+build-studio:
+	cmake --build ./build/${BC_VAR_CURRENT_BUILD} --target ${BC_VAR_PROJECT_NAME_CAP}Studio
+
 .PHONY: run-studio
-run-studio: build
+run-studio: build-studio
 	${PROJECT_STUDIO}
+
 .PHONY: gba-run
 gba-run: pkg-gba
 	${MGBA} ${BC_VAR_PROJECT_NAME_CAP}.gba
+
 .PHONY: debug
 debug: build
 	${BC_CMD_HOST_DEBUGGER} ${PROJECT_PLAYER} sample_project
+
 .PHONY: debug-studio
 debug-studio: build
 	${BC_CMD_HOST_DEBUGGER} ${PROJECT_STUDIO}
 
+
 .PHONY: configure-gba
 configure-gba:
 	${BC_CMD_SETUP_BUILD} --toolchain=deps/gbabuildcore/cmake/modules/GBA.cmake --target=gba --current_build=0 --build_type=release --build_root=${BC_VAR_BUILD_PATH}

deps/nostalgia/deps/ox/src/ox/clargs/clargs.cpp

@@ -15,16 +15,16 @@ ClArgs::ClArgs(int argc, const char **args) noexcept: ClArgs({args, static_cast<
 
 ClArgs::ClArgs(ox::SpanView<const char*> args) noexcept {
 	for (auto i = 0u; i < args.size(); ++i) {
-		auto arg = StringView(args[i]);
+		auto arg = StringView{args[i]};
 		if (arg[0] == '-') {
-			while (arg[0] == '-' && arg.len()) {
+			while (arg[0] == '-' && arg.size()) {
 				arg = substr(arg, 1);
 			}
 			m_bools[arg] = true;
 			// parse additional arguments
 			if (i < args.size() && args[i + 1]) {
-				auto val = String(args[i + 1]);
-				if (val.len() && val[i] != '-') {
+				auto const val = StringView{args[i + 1]};
+				if (val.size() && val[0] != '-') {
 					if (val == "false") {
 						m_bools[arg] = false;
 					}
@@ -40,17 +40,17 @@ ClArgs::ClArgs(ox::SpanView<const char*> args) noexcept {
 }
 
 bool ClArgs::getBool(ox::StringViewCR arg, bool defaultValue) const noexcept {
-	auto [value, err] = m_ints.at(arg);
+	auto const [value, err] = m_ints.at(arg);
 	return !err ? *value : defaultValue;
 }
 
 String ClArgs::getString(ox::StringViewCR arg, ox::StringView defaultValue) const noexcept {
-	auto [value, err] = m_strings.at(arg);
+	auto const [value, err] = m_strings.at(arg);
 	return !err ? ox::String(*value) : ox::String(defaultValue);
 }
 
 int ClArgs::getInt(ox::StringViewCR arg, int defaultValue) const noexcept {
-	auto [value, err] = m_ints.at(arg);
+	auto const [value, err] = m_ints.at(arg);
 	return !err ? *value : defaultValue;
 }
 

deps/nostalgia/deps/ox/src/ox/claw/test/tests.cpp

@@ -109,7 +109,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 			"ClawHeaderReader",
 			[] {
 				constexpr auto hdr = ox::StringLiteral("O1;com.drinkingtea.ox.claw.test.Header;2;");
-				auto [ch, err] = ox::readClawHeader({hdr.c_str(), hdr.len() + 1});
+				auto [ch, err] = ox::readClawHeader({hdr.c_str(), hdr.size() + 1});
 				oxAssert(err, "Error parsing header");
 				oxAssert(ch.fmt == ox::ClawFormat::Organic, "Format wrong");
 				oxAssert(ch.typeName == "com.drinkingtea.ox.claw.test.Header", "Type name wrong");
@@ -121,7 +121,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 			"ClawHeaderReader2",
 			[] {
 				constexpr auto hdr = ox::StringLiteral("M2;com.drinkingtea.ox.claw.test.Header2;3;");
-				auto [ch, err] = ox::readClawHeader({hdr.c_str(), hdr.len() + 1});
+				auto [ch, err] = ox::readClawHeader({hdr.c_str(), hdr.size() + 1});
 				oxAssert(err, "Error parsing header");
 				oxAssert(ch.fmt == ox::ClawFormat::Metal, "Format wrong");
 				oxAssert(ch.typeName == "com.drinkingtea.ox.claw.test.Header2", "Type name wrong");
@@ -134,7 +134,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 			[] {
 				constexpr auto hdr = ox::StringLiteral("M2;com.drinkingtea.ox.claw.test.Header2;3;awefawf");
 				constexpr auto expected = ox::StringLiteral("com.drinkingtea.ox.claw.test.Header2;3");
-				OX_REQUIRE(actual, ox::readClawTypeId({hdr.data(), hdr.len() + 1}));
+				OX_REQUIRE(actual, ox::readClawTypeId({hdr.data(), hdr.size() + 1}));
 				oxExpect(actual, expected);
 				return ox::Error{};
 			}

deps/nostalgia/deps/ox/src/ox/fs/filesystem/directory.hpp

@@ -52,7 +52,7 @@ struct OX_PACKED DirectoryEntry {
 			if (d.valid()) {
 				d->inode = inode;
 				auto const maxStrSz = bufferSize - 1 - sizeof(*this);
-				ox::strncpy(d->name, name.data(), ox::min(maxStrSz, name.len()));
+				ox::strncpy(d->name, name.data(), ox::min(maxStrSz, name.size()));
 				return {};
 			}
 			return ox::Error(1);
@@ -219,7 +219,7 @@ Error Directory<FileStore, InodeId_t>::write(PathIterator path, uint64_t inode64
 			oxTrace("ox.fs.Directory.write.fail", "Could not read existing version of Directory");
 			return ox::Error(1, "Could not read existing version of Directory");
 		}
-		const auto pathSize = name.len() + 1;
+		const auto pathSize = name.size() + 1;
 		const auto entryDataSize = DirectoryEntry<InodeId_t>::DirectoryEntryData::spaceNeeded(pathSize);
 		const auto newSize = oldStat.size + Buffer::spaceNeeded(entryDataSize);
 		auto cpy = ox_malloca(newSize, Buffer, *old, oldStat.size);

deps/nostalgia/deps/ox/src/ox/fs/filesystem/filesystem.hpp

@@ -87,7 +87,7 @@ class FileSystem {
 			return writeFilePath(path, buffer, size, FileType::NormalFile);
 		}
 
-		Error write(StringViewCR path, ox::Span<char> const&buff) noexcept {
+		Error write(StringViewCR path, ox::SpanView<char> const&buff) noexcept {
 			return write(path, buff.data(), buff.size(), FileType::NormalFile);
 		}
 
@@ -95,7 +95,7 @@ class FileSystem {
 			return write(inode, buffer, size, FileType::NormalFile);
 		}
 
-		Error write(uint64_t inode, ox::Span<char> const&buff) noexcept {
+		Error write(uint64_t inode, ox::SpanView<char> const&buff) noexcept {
 			return write(inode, buff.data(), buff.size(), FileType::NormalFile);
 		}
 

deps/nostalgia/deps/ox/src/ox/fs/filesystem/passthroughfs.cpp

@@ -206,7 +206,7 @@ Error PassThroughFS::writeFileInode(uint64_t, const void*, uint64_t, FileType) n
 }
 
 std::string_view PassThroughFS::stripSlash(StringView path) noexcept {
-	for (auto i = 0u; i < path.len() && path[0] == '/'; i++) {
+	for (auto i = 0u; i < path.size() && path[0] == '/'; i++) {
 		path = substr(path, 1);
 	}
 	return {path.data(), path.bytes()};

deps/nostalgia/deps/ox/src/ox/fs/filesystem/pathiterator.cpp

@@ -74,7 +74,7 @@ Error PathIterator::get(StringView &fileName) {
 	if (size && fileName[size - 1] == '/') {
 		fileName = ox::substr(m_path, start, start + size - 1);
 	}
-	oxAssert(fileName[fileName.len()-1] != '/', "name ends in /");
+	oxAssert(fileName[fileName.size()-1] != '/', "name ends in /");
 	return {};
 }
 
@@ -104,11 +104,11 @@ Error PathIterator::next(StringView &fileName) {
 		}
 		fileName = ox::substr(m_path, start, start + size);
 		// truncate trailing /
-		while (fileName.len() && fileName[fileName.len() - 1] == '/') {
+		while (fileName.size() && fileName[fileName.size() - 1] == '/') {
 			fileName = ox::substr(m_path, start, start + size);
 		}
 		m_iterator += size;
-		oxAssert(fileName.len() == 0 || fileName[fileName.len()-1] != '/', "name ends in /");
+		oxAssert(fileName.size() == 0 || fileName[fileName.size()-1] != '/', "name ends in /");
 	}
 	return retval;
 }

deps/nostalgia/deps/ox/src/ox/fs/test/tests.cpp

@@ -59,7 +59,7 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 			"PathIterator::next1",
 			[](ox::StringView) {
 				auto constexpr path = ox::StringLiteral("/usr/share/charset.gbag");
-				ox::PathIterator it(path.c_str(), path.len());
+				ox::PathIterator it(path.c_str(), path.size());
 				ox::StringView buff;
 				oxAssert(it.next(buff) == 0 && buff == "usr", "PathIterator shows wrong next");
 				oxAssert(it.next(buff) == 0 && buff == "share", "PathIterator shows wrong next");
@@ -84,7 +84,7 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 			"PathIterator::next3",
 			[](ox::StringView) {
 				auto const path = ox::String("/");
-				ox::PathIterator it(path.c_str(), path.len());
+				ox::PathIterator it(path.c_str(), path.size());
 				ox::StringView buff;
 				oxAssert(it.next(buff) == 0 && buff == "\0", "PathIterator shows wrong next");
 				return ox::Error(0);
@@ -106,7 +106,7 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 			"PathIterator::next5",
 			[](ox::StringView) {
 				auto const path = ox::String("usr/share/");
-				ox::PathIterator it(path.c_str(), path.len());
+				ox::PathIterator it(path.c_str(), path.size());
 				ox::StringView buff;
 				oxAssert(it.next(buff) == 0 && buff == "usr", "PathIterator shows wrong next");
 				oxAssert(it.next(buff) == 0 && buff == "share", "PathIterator shows wrong next");
@@ -117,10 +117,10 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 			"PathIterator::dirPath",
 			[] (ox::StringView) {
 				auto constexpr path = ox::StringLiteral("/usr/share/charset.gbag");
-				ox::PathIterator it(path.c_str(), path.len());
-				auto buff = static_cast<char*>(ox_alloca(path.len() + 1));
+				ox::PathIterator it(path.c_str(), path.size());
+				auto buff = static_cast<char*>(ox_alloca(path.size() + 1));
 				OX_ALLOW_UNSAFE_BUFFERS_BEGIN
-				oxAssert(it.dirPath(buff, path.len()) == 0 && ox::strcmp(buff, "/usr/share/") == 0, "PathIterator shows incorrect dir path");
+				oxAssert(it.dirPath(buff, path.size()) == 0 && ox::strcmp(buff, "/usr/share/") == 0, "PathIterator shows incorrect dir path");
 				OX_ALLOW_UNSAFE_BUFFERS_END
 				return ox::Error(0);
 			}

deps/nostalgia/deps/ox/src/ox/mc/test/tests.cpp

@@ -157,7 +157,6 @@ std::map<ox::StringView, ox::Error(*)()> tests = {
 				oxAssert(testIn.Int8                == testOut.Int8,                "Int8 value mismatch");
 				oxAssert(testIn.Union.Int           == testOut.Union.Int,           "Union.Int value mismatch");
 				oxAssert(testIn.String              == testOut.String,              "String value mismatch");
-				oxDebugf("{}", testOut.IString.len());
 				oxExpect(testIn.IString,               testOut.IString);
 				oxAssert(testIn.List[0]             == testOut.List[0],             "List[0] value mismatch");
 				oxAssert(testIn.List[1]             == testOut.List[1],             "List[1] value mismatch");

deps/nostalgia/deps/ox/src/ox/mc/write.hpp

@@ -191,12 +191,12 @@ template<Writer_c Writer>
 template<std::size_t SmallStringSize>
 constexpr Error MetalClawWriter<Writer>::field(const char*, const BasicString<SmallStringSize> *val) noexcept {
 	bool fieldSet = false;
-	if (val->len() && (!m_unionIdx.has_value() || *m_unionIdx == m_field)) {
+	if (val->size() && (!m_unionIdx.has_value() || *m_unionIdx == m_field)) {
 		// write the length
-		const auto strLen = mc::encodeInteger(val->len());
+		const auto strLen = mc::encodeInteger(val->size());
 		OX_RETURN_ERROR(m_writer.write(reinterpret_cast<const char*>(strLen.data.data()), strLen.length));
 		// write the string
-		OX_RETURN_ERROR(m_writer.write(val->c_str(), static_cast<std::size_t>(val->len())));
+		OX_RETURN_ERROR(m_writer.write(val->c_str(), static_cast<std::size_t>(val->size())));
 		fieldSet = true;
 	}
 	OX_RETURN_ERROR(m_fieldPresence.set(static_cast<std::size_t>(m_field), fieldSet));
@@ -207,7 +207,7 @@ constexpr Error MetalClawWriter<Writer>::field(const char*, const BasicString<Sm
 template<Writer_c Writer>
 template<std::size_t L>
 constexpr Error MetalClawWriter<Writer>::field(const char *name, const IString<L> *val) noexcept {
-	return fieldCString(name, val->data(), val->len());
+	return fieldCString(name, val->data(), val->size());
 }
 
 template<Writer_c Writer>
@@ -339,7 +339,7 @@ constexpr Error MetalClawWriter<Writer>::field(const char*, const HashMap<String
 		OX_RETURN_ERROR(handler.setTypeInfo("Map", 0, {}, len * 2));
 		// this loop body needs to be in a lambda because of the potential alloca call
 		constexpr auto loopBody = [](auto &handler, auto const&key, auto const&val) -> ox::Error {
-			const auto keyLen = key.len();
+			const auto keyLen = key.size();
 			auto wkey = ox_malloca(keyLen + 1, char, 0);
 			memcpy(wkey.get(), key.c_str(), keyLen + 1);
 			OX_RETURN_ERROR(handler.fieldCString("", wkey.get(), keyLen));

deps/nostalgia/deps/ox/src/ox/model/desctypes.hpp

@@ -43,7 +43,7 @@ static constexpr auto buildTypeId(
 		for (const auto &p : typeParams) {
 			tp += p + ",";
 		}
-		tp.resize(tp.len() - 1);
+		tp.resize(tp.size() - 1);
 		tp += "#";
 	}
 	return ox::sfmt("{}{};{}", name, tp, version);

deps/nostalgia/deps/ox/src/ox/model/typenamecatcher.hpp

@@ -144,7 +144,7 @@ template<typename T, typename Str = const char*>
 [[nodiscard]]
 consteval auto requireModelTypeName() noexcept {
 	constexpr auto name = getModelTypeName<T, Str>();
-	static_assert(ox::StringView{name}.len(), "Type lacks required TypeName");
+	static_assert(ox::StringView{name}.size(), "Type lacks required TypeName");
 	return name;
 }
 
@@ -159,7 +159,7 @@ constexpr auto ModelTypeId_v = [] {
 	constexpr auto name = ModelTypeName_v<T, ox::StringView>;
 	constexpr auto version = ModelTypeVersion_v<T>;
 	constexpr auto versionStr = ox::sfmt<ox::IString<19>>("{}", version);
-	return ox::sfmt<ox::IString<name.len() + versionStr.len() + 1>>("{};{}", name, versionStr);
+	return ox::sfmt<ox::IString<name.size() + versionStr.size() + 1>>("{};{}", name, versionStr);
 }();
 
 }

deps/nostalgia/deps/ox/src/ox/oc/read.hpp

@@ -181,7 +181,6 @@ Error OrganicClawReader::field(const char *key, T *val) noexcept {
 			}
 		}
 	} catch (Json::LogicError const&e) {
-		oxDebugf("JSON error: {}", e.what());
 		err = ox::Error(1, "error reading JSON data");
 	}
 	++m_fieldIt;
@@ -307,7 +306,7 @@ Result<T> readOC(BufferView buff) noexcept {
 
 template<typename T>
 Result<T> readOC(ox::StringView json) noexcept {
-	return readOC<T>(ox::BufferView{json.data(), json.len()});
+	return readOC<T>(ox::BufferView{json.data(), json.size()});
 }
 
 }

deps/nostalgia/deps/ox/src/ox/oc/write.cpp

@@ -32,7 +32,7 @@ Error OrganicClawWriter::fieldCString(const char *key, const char *const*val) no
 
 Error OrganicClawWriter::field(const char *key, const UUID *uuid) noexcept {
 	const auto uuidStr = uuid->toString();
-	if (targetValid() && uuidStr.len()) {
+	if (targetValid() && uuidStr.size()) {
 		value(key) = uuidStr.c_str();
 	}
 	++m_fieldIt;

deps/nostalgia/deps/ox/src/ox/oc/write.hpp

@@ -138,7 +138,7 @@ class OrganicClawWriter {
 
 		template<std::size_t L>
 		Error field(char const*key, IString<L> const*val) noexcept {
-			if (targetValid() && val->len()) {
+			if (targetValid() && val->size()) {
 				value(key) = val->c_str();
 			}
 			++m_fieldIt;
@@ -147,7 +147,7 @@ class OrganicClawWriter {
 
 		template<std::size_t L>
 		Error field(char const*key, BasicString<L> const*val) noexcept {
-			if (targetValid() && val->len()) {
+			if (targetValid() && val->size()) {
 				value(key) = val->c_str();
 			}
 			++m_fieldIt;

deps/nostalgia/deps/ox/src/ox/std/assert.cpp

@@ -33,6 +33,9 @@ void panic(StringViewCR file, int const line, StringViewCR panicMsg, Error const
 #endif
 }
 
+#if __GNUC__ && !_WIN32
+__attribute__((weak))
+#endif
 void panic(const char *file, int const line, char const*panicMsg, Error const&err) noexcept {
 	panic(StringView{file}, line, StringView{panicMsg}, err);
 }

deps/nostalgia/deps/ox/src/ox/std/basestringview.hpp

@@ -185,7 +185,7 @@ class BaseStringView {
 		}
 
 		[[nodiscard]]
-		constexpr auto len() const noexcept {
+		constexpr auto size() const noexcept {
 			return m_len;
 		}
 

deps/nostalgia/deps/ox/src/ox/std/cstringview.hpp

@@ -21,13 +21,13 @@ class CStringView: public detail::BaseStringView {
 
 		constexpr CStringView(CStringView const&sv) noexcept = default;
 
-		constexpr CStringView(StringLiteral const&str) noexcept: BaseStringView(str.data(), str.len()) {}
+		constexpr CStringView(StringLiteral const&str) noexcept: BaseStringView(str.data(), str.size()) {}
 
 		template<std::size_t SmallStrSz>
-		constexpr CStringView(BasicString<SmallStrSz> const&str) noexcept: BaseStringView(str.data(), str.len()) {}
+		constexpr CStringView(BasicString<SmallStrSz> const&str) noexcept: BaseStringView(str.data(), str.size()) {}
 
 		template<std::size_t SmallStrSz>
-		constexpr CStringView(IString<SmallStrSz> const&str) noexcept: BaseStringView(str.data(), str.len()) {}
+		constexpr CStringView(IString<SmallStrSz> const&str) noexcept: BaseStringView(str.data(), str.size()) {}
 
 		constexpr CStringView(std::nullptr_t) noexcept {}
 
@@ -37,7 +37,7 @@ class CStringView: public detail::BaseStringView {
 
 		constexpr auto &operator=(CStringView const&other) noexcept {
 			if (&other != this) {
-				set(other.data(), other.len());
+				set(other.data(), other.size());
 			}
 			return *this;
 		}

deps/nostalgia/deps/ox/src/ox/std/error.hpp

@@ -307,6 +307,13 @@ struct [[nodiscard]] Result {
 		return std::move(value);
 	}
 
+	constexpr Result transformError(ErrorCode const ec, CString const msg) && {
+		if (error) {
+			error = Error{ec, msg};
+		}
+		return *this;
+	}
+
 };
 
 namespace detail {

deps/nostalgia/deps/ox/src/ox/std/ignore.hpp

@@ -16,7 +16,7 @@
 
 namespace std {
 
-inline constexpr struct {
+inline constexpr struct ignore_t {
 	constexpr void operator=(auto&&) const noexcept {}
 } ignore;
 

deps/nostalgia/deps/ox/src/ox/std/istring.hpp

@@ -72,7 +72,7 @@ class IString {
 		 * Returns the number of characters in this string.
 		 */
 		[[nodiscard]]
-		constexpr std::size_t len() const noexcept;
+		constexpr std::size_t size() const noexcept;
 
 		/**
 		 * Returns the number of bytes used for this string.
@@ -121,7 +121,7 @@ constexpr IString<size> &IString<size>::operator=(Integer_c auto i) noexcept {
 
 template<std::size_t size>
 constexpr IString<size> &IString<size>::operator=(ox::StringViewCR str) noexcept {
-	std::size_t strLen = str.len();
+	std::size_t strLen = str.size();
 	if (cap() < strLen) {
 		strLen = cap();
 	}
@@ -171,7 +171,7 @@ constexpr char &IString<StrCap>::operator[](std::size_t i) noexcept {
 template<std::size_t StrCap>
 constexpr Error IString<StrCap>::append(const char *str, std::size_t strLen) noexcept {
 	Error err{};
-	auto const currentLen = len();
+	auto const currentLen = size();
 	if (cap() < currentLen + strLen) {
 		strLen = cap() - currentLen;
 		err = ox::Error(1, "Insufficient space for full string");
@@ -187,7 +187,7 @@ OX_CLANG_NOWARN_END
 
 template<std::size_t StrCap>
 constexpr Error IString<StrCap>::append(ox::StringView str) noexcept {
-	return append(str.data(), str.len());
+	return append(str.data(), str.size());
 }
 
 template<std::size_t StrCap>
@@ -207,7 +207,7 @@ constexpr const char *IString<StrCap>::c_str() const noexcept {
 
 
 template<std::size_t StrCap>
-constexpr std::size_t IString<StrCap>::len() const noexcept {
+constexpr std::size_t IString<StrCap>::size() const noexcept {
 	return m_size;
 }
 

deps/nostalgia/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<U, UDeleter> &&other = UniquePtr()) {
+		constexpr void reset(UniquePtr &&other = UniquePtr()) {
 			auto t = m_t;
 			m_t = other.release();
 			Deleter()(t);

deps/nostalgia/deps/ox/src/ox/std/new.hpp

@@ -30,11 +30,49 @@ constexpr void *operator new(std::size_t, void *addr) noexcept {
 constexpr void *operator new[](std::size_t, void *addr) noexcept {
 	return addr;
 }
+
+namespace std {
+
+template<typename T>
+[[nodiscard]]
+constexpr T* launder(T* __p) noexcept {
+	return __builtin_launder(__p);
+}
+
+template<typename T, typename... Args, bool noex>
+void launder(T(*)(Args...) noexcept(noex)) = delete;
+template<typename T, typename... Args, bool noex>
+void launder(T(*)(Args......) noexcept(noex)) = delete;
+void launder(void*) = delete;
+void launder(void const*) = delete;
+void launder(volatile void*) = delete;
+void launder(volatile void const*) = delete;
+
+}
 #endif
 
 
 namespace ox {
 
+/**
+ * Aliases type T in size and alignment to allow allocating space for a T
+ * without running the constructor.
+ */
+template<typename T, std::size_t sz = sizeof(T)>
+struct alignas(alignof(T)) AllocAlias {
+	char buff[sz];
+	constexpr AllocAlias() noexcept = default;
+	[[nodiscard]]
+	auto data() noexcept {
+		return reinterpret_cast<T*>(this);
+	}
+	[[nodiscard]]
+	auto data() const noexcept {
+		return reinterpret_cast<T const*>(this);
+	}
+};
+
+
 template<typename T, typename U = T, typename ...Args>
 [[nodiscard]]
 constexpr U *make(Args &&...args) noexcept {

deps/nostalgia/deps/ox/src/ox/std/reader.cpp

@@ -30,13 +30,15 @@ constexpr std::ios_base::seekdir sdMap(ox::ios_base::seekdir in) noexcept {
 
 ox::Result<char> StreamReader::peek() const noexcept {
 	try {
+		if (m_strm.eof()) {
+			return Error{1, "EOF"};
+		}
 		char c{};
 		m_strm.get(c);
-		auto const ok = c != EOF;
-		if (ok && m_strm.unget()) [[unlikely]] {
-			return ox::Error(1, "Unable to unget character");
+		if (m_strm.unget()) [[unlikely]] {
+			return ox::Error{1, "Unable to unget character"};
 		}
-		return {static_cast<char>(c), ox::Error(!ok, "File peek failed")};
+		return static_cast<char>(c);
 	} catch (std::exception const&) {
 		return ox::Error(1, "peek failed");
 	}

deps/nostalgia/deps/ox/src/ox/std/span.hpp

@@ -163,6 +163,24 @@ class Span {
 			return *this;
 		}
 
+		constexpr Span operator++(int) noexcept {
+			++m_items;
+			--m_size;
+			if (!m_size) [[unlikely]] {
+				m_items = nullptr;
+			}
+			return *this;
+		}
+
+		constexpr Span operator++() noexcept {
+			++m_items;
+			--m_size;
+			if (!m_size) [[unlikely]] {
+				m_items = nullptr;
+			}
+			return *this;
+		}
+
 		[[nodiscard]]
 		constexpr auto data() const noexcept {
 			return m_items;

deps/nostalgia/deps/ox/src/ox/std/string.hpp

@@ -139,7 +139,7 @@ class BasicString {
 
 		constexpr BasicString &operator+=(Integer_c auto i) noexcept;
 
-		constexpr BasicString &operator+=(StringView src) noexcept;
+		constexpr BasicString &operator+=(StringViewCR src) noexcept;
 
 		constexpr BasicString &operator+=(BasicString const&src) noexcept;
 
@@ -176,7 +176,7 @@ class BasicString {
 		constexpr char &operator[](std::size_t i) noexcept;
 
 		constexpr Error append(const char *str, std::size_t strLen) noexcept {
-			auto currentLen = len();
+			auto currentLen = size();
 			m_buff.resize(m_buff.size() + strLen);
 			ox::listcpy(&m_buff[currentLen], str, strLen);
 			// make sure last element is a null terminator
@@ -185,8 +185,8 @@ class BasicString {
 			return {};
 		}
 
-		constexpr Error append(ox::StringView sv) noexcept {
-			return append(sv.data(), sv.len());
+		constexpr Error append(StringViewCR sv) noexcept {
+			return append(sv.data(), sv.size());
 		}
 
 		[[nodiscard]]
@@ -237,7 +237,7 @@ class BasicString {
 		 * Returns the number of characters in this string.
 		 */
 		[[nodiscard]]
-		constexpr std::size_t len() const noexcept;
+		constexpr std::size_t size() const noexcept;
 
 		/**
 		 * Returns the number of bytes used for this string.
@@ -277,7 +277,7 @@ constexpr BasicString<SmallStringSize_v>::BasicString(const char *str, std::size
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v>::BasicString(StringLiteral const&str) noexcept:
-	BasicString(StringView{str.data(), str.len()}) {
+	BasicString(StringView{str.data(), str.size()}) {
 }
 
 template<std::size_t SmallStringSize_v>
@@ -376,7 +376,7 @@ constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operat
 }
 
 template<std::size_t SmallStringSize_v>
-constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operator+=(StringView s) noexcept {
+constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operator+=(StringViewCR s) noexcept {
 	std::size_t strLen = s.bytes();
 	std::ignore = append(s.data(), strLen);
 	return *this;
@@ -384,14 +384,14 @@ constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operat
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operator+=(BasicString const&src) noexcept {
-	std::ignore = append(src.c_str(), src.len());
+	std::ignore = append(src.c_str(), src.size());
 	return *this;
 }
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operator+(const char *str) const noexcept {
 	const std::size_t strLen = ox::strlen(str);
-	const auto currentLen = len();
+	const auto currentLen = size();
 	BasicString<SmallStringSize_v> cpy;
 	cpy.m_buff.resize(m_buff.size() + strLen);
 	ox::listcpy(&cpy.m_buff[0], m_buff.data(), currentLen);
@@ -420,8 +420,8 @@ constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operato
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operator+(StringViewCR src) const noexcept {
-	const std::size_t strLen = src.len();
-	const auto currentLen = len();
+	const std::size_t strLen = src.size();
+	const auto currentLen = size();
 	BasicString<SmallStringSize_v> cpy(currentLen + strLen);
 	cpy.m_buff.resize(m_buff.size() + strLen);
 	ox::listcpy(&cpy.m_buff[0], m_buff.data(), currentLen);
@@ -432,8 +432,8 @@ constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operato
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operator+(BasicString const&src) const noexcept {
-	const std::size_t strLen = src.len();
-	const auto currentLen = len();
+	const std::size_t strLen = src.size();
+	const auto currentLen = size();
 	BasicString<SmallStringSize_v> cpy(currentLen + strLen);
 	cpy.m_buff.resize(m_buff.size() + strLen);
 	ox::listcpy(&cpy.m_buff[0], m_buff.data(), currentLen);
@@ -456,7 +456,7 @@ constexpr bool BasicString<SmallStringSize_v>::operator==(const char *other) con
 
 template<std::size_t SmallStringSize_v>
 constexpr bool BasicString<SmallStringSize_v>::operator==(OxString_c auto const&other) const noexcept {
-	return ox::StringView(*this) == ox::StringView(other);
+	return StringView(*this) == StringView(other);
 }
 
 template<std::size_t SmallStringSize_v>
@@ -521,7 +521,7 @@ constexpr std::size_t BasicString<SmallStringSize_v>::bytes() const noexcept {
 }
 
 template<std::size_t SmallStringSize_v>
-constexpr std::size_t BasicString<SmallStringSize_v>::len() const noexcept {
+constexpr std::size_t BasicString<SmallStringSize_v>::size() const noexcept {
 	return m_buff.size() - 1;
 }
 
@@ -548,28 +548,28 @@ using StringCR = String const&;
 
 
 [[nodiscard]]
-constexpr ox::String toString(ox::StringViewCR sv) noexcept {
+constexpr String toString(StringViewCR sv) noexcept {
 	return ox::String(sv);
 }
 
 
 template<typename PlatSpec, std::size_t SmallStringSize_v>
 [[nodiscard]]
-constexpr auto sizeOf(const ox::BasicString<SmallStringSize_v>*) noexcept {
+constexpr auto sizeOf(BasicString<SmallStringSize_v> const*) noexcept {
 	VectorMemMap<PlatSpec> v{.smallVecSize = SmallStringSize_v};
 	return sizeOf<PlatSpec>(&v);
 }
 
 template<typename PlatSpec, std::size_t SmallStringSize_v>
 [[nodiscard]]
-constexpr auto alignOf(const ox::BasicString<SmallStringSize_v>&) noexcept {
+constexpr auto alignOf(BasicString<SmallStringSize_v> const&) noexcept {
 	VectorMemMap<PlatSpec> v{.smallVecSize = SmallStringSize_v};
 	return alignOf<PlatSpec>(&v);
 }
 
 template<size_t sz>
-struct MaybeView<ox::BasicString<sz>> {
-	using type = ox::StringView;
+struct MaybeView<BasicString<sz>> {
+	using type = StringView;
 };
 
 }

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

@@ -16,11 +16,6 @@ namespace ox {
  * StringLiteral is used for functions that want to ensure that they are taking
  * string literals, and not strings outside of the data section of the program
  * that might get deleted.
- * This type cannot force you to use it correctly, so don't give it something
- * that is not a literal.
- * If you do this:
- *		StringLiteral(str.c_str())
- * the resulting segfault is on you.
  */
 class StringLiteral: public detail::BaseStringView {
 	public:
@@ -28,21 +23,21 @@ class StringLiteral: public detail::BaseStringView {
 
 		constexpr StringLiteral(StringLiteral const &sv) noexcept = default;
 
-		constexpr explicit StringLiteral(std::nullptr_t) noexcept {}
+		consteval explicit StringLiteral(std::nullptr_t) noexcept {}
 
-		constexpr explicit StringLiteral(const char *str, std::size_t len) noexcept: BaseStringView{str, len} {}
+		consteval explicit StringLiteral(char const *str, std::size_t const len) noexcept: BaseStringView{str, len} {}
 
 		OX_ALLOW_UNSAFE_BUFFERS_BEGIN
-		constexpr explicit StringLiteral(char const *str) noexcept: StringLiteral{str, ox::strlen(str)} {}
+		consteval explicit StringLiteral(char const *str) noexcept: StringLiteral{str, ox::strlen(str)} {}
 		OX_ALLOW_UNSAFE_BUFFERS_END
 
 		constexpr StringLiteral &operator=(StringLiteral const &other) noexcept {
-			set(other.data(), other.len());
+			set(other.data(), other.size());
 			return *this;
 		}
 
 		[[nodiscard]]
-		constexpr const char *c_str() const noexcept {
+		constexpr char const *c_str() const noexcept {
 			return data();
 		}
 

deps/nostalgia/deps/ox/src/ox/std/stringparam.hpp

@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include "cstringview.hpp"
 #include "string.hpp"
 
 namespace ox {

deps/nostalgia/deps/ox/src/ox/std/stringview.hpp

@@ -40,10 +40,10 @@ class StringView: public detail::BaseStringView {
 		constexpr StringView(BaseStringView const&str) noexcept: BaseStringView(str.data(), str.bytes()) {}
 
 		template<std::size_t SmallStrSz>
-		constexpr StringView(const BasicString<SmallStrSz> &str) noexcept: BaseStringView(str.data(), str.len()) {}
+		constexpr StringView(const BasicString<SmallStrSz> &str) noexcept: BaseStringView(str.data(), str.size()) {}
 
 		template<std::size_t SmallStrSz>
-		constexpr StringView(const IString<SmallStrSz> &str) noexcept: BaseStringView(str.data(), str.len()) {}
+		constexpr StringView(const IString<SmallStrSz> &str) noexcept: BaseStringView(str.data(), str.size()) {}
 
 		constexpr StringView(std::nullptr_t) noexcept {}
 
@@ -53,7 +53,7 @@ class StringView: public detail::BaseStringView {
 
 		constexpr auto &operator=(StringView const&other) noexcept {
 			if (&other != this) {
-				set(other.data(), other.len());
+				set(other.data(), other.size());
 			}
 			return *this;
 		}
@@ -63,14 +63,14 @@ class StringView: public detail::BaseStringView {
 using StringViewCR = StringView const&;
 
 constexpr auto operator==(StringViewCR s1, StringViewCR s2) noexcept {
-	if (s2.len() != s1.len()) {
+	if (s2.size() != s1.size()) {
 		return false;
 	}
-	return ox::strncmp(s1.data(), s2.data(), s1.len()) == 0;
+	return ox::strncmp(s1.data(), s2.data(), s1.size()) == 0;
 }
 
 constexpr auto operator<=>(StringViewCR s1, StringViewCR s2) noexcept {
-	const auto maxLen = ox::min(s1.len(), s2.len());
+	const auto maxLen = ox::min(s1.size(), s2.size());
 	const auto a = &s1.front();
 	const auto b = &s2.front();
 	for (std::size_t i = 0; i < maxLen && (a[i] || b[i]); ++i) {
@@ -80,9 +80,9 @@ constexpr auto operator<=>(StringViewCR s1, StringViewCR s2) noexcept {
 			return 1;
 		}
 	}
-	if (s1.len() > s2.len()) {
+	if (s1.size() > s2.size()) {
 		return 1;
-	} else if (s1.len() < s2.len()) {
+	} else if (s1.size() < s2.size()) {
 		return -1;
 	} else {
 		return 0;
@@ -104,10 +104,10 @@ constexpr ox::Result<int> strToInt(StringViewCR str) noexcept {
 	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	int total = 0;
 	int multiplier = 1;
-	if (str.len() == 0) [[unlikely]] {
+	if (str.size() == 0) [[unlikely]] {
 		return Error{1, "Empty string passed to strToInt"};
 	}
-	for (auto i = static_cast<int64_t>(str.len()) - 1; i != -1; --i) {
+	for (auto i = static_cast<int64_t>(str.size()) - 1; i != -1; --i) {
 		auto s = static_cast<std::size_t>(i);
 		if (str[s] >= '0' && str[s] <= '9') {
 			total += (str[s] - '0') * multiplier;

deps/nostalgia/deps/ox/src/ox/std/strops.hpp

@@ -21,37 +21,47 @@ OX_CLANG_NOWARN_BEGIN(-Wunsafe-buffer-usage)
 namespace ox {
 
 [[nodiscard]]
-constexpr ox::StringView substr(ox::StringView const&str, std::size_t pos) noexcept {
-	if (str.len() >= pos) {
-		return {&str[pos], str.len() - pos};
+constexpr StringView substr(StringViewCR str, std::size_t const pos) noexcept {
+	if (str.size() >= pos) {
+		return {&str[pos], str.size() - pos};
 	}
 	return {};
 }
 
 [[nodiscard]]
-constexpr ox::StringView substr(ox::StringView const&str, std::size_t start, std::size_t end) noexcept {
-	if (str.len() >= start && end >= start) {
+constexpr StringView substr(StringViewCR str, std::size_t const start, std::size_t const end) noexcept {
+	if (str.size() >= start && end >= start) {
 		return {&str[start], end - start};
 	}
 	return {};
 }
 
+[[nodiscard]]
+constexpr bool beginsWith(StringViewCR base, char const beginning) noexcept {
+	return base.size() && base[0] == beginning;
+}
+
+[[nodiscard]]
+constexpr bool endsWith(StringViewCR base, char const ending) noexcept {
+	return base.size() && base[base.size() - 1] == ending;
+}
+
 [[nodiscard]]
 constexpr bool beginsWith(StringViewCR base, StringViewCR beginning) noexcept {
-	const auto beginningLen = ox::min(beginning.len(), base.len());
-	return base.len() >= beginning.len() && ox::strncmp(base.data(), beginning, beginningLen) == 0;
+	const auto beginningLen = ox::min(beginning.size(), base.size());
+	return base.size() >= beginning.size() && ox::strncmp(base.data(), beginning, beginningLen) == 0;
 }
 
 [[nodiscard]]
 constexpr bool endsWith(StringViewCR base, StringViewCR ending) noexcept {
-	const auto endingLen = ending.len();
-	return base.len() >= endingLen && ox::strcmp(base.data() + (base.len() - endingLen), ending) == 0;
+	const auto endingLen = ending.size();
+	return base.size() >= endingLen && ox::strcmp(base.data() + (base.size() - endingLen), ending) == 0;
 }
 
 [[nodiscard]]
-constexpr std::size_t find(StringViewCR str, char search) noexcept {
+constexpr std::size_t find(StringViewCR str, char const search) noexcept {
 	std::size_t i = 0;
-	for (; i < str.len(); ++i) {
+	for (; i < str.size(); ++i) {
 		if (str[i] == search) {
 			break;
 		}
@@ -62,7 +72,7 @@ constexpr std::size_t find(StringViewCR str, char search) noexcept {
 [[nodiscard]]
 constexpr std::size_t find(StringViewCR str, StringViewCR search) noexcept {
 	std::size_t i = 0;
-	for (; i < str.len(); ++i) {
+	for (; i < str.size(); ++i) {
 		if (beginsWith(substr(str, i), search)) {
 			break;
 		}
@@ -72,14 +82,14 @@ constexpr std::size_t find(StringViewCR str, StringViewCR search) noexcept {
 
 template<std::size_t smallSz = 0>
 [[nodiscard]]
-constexpr ox::Vector<ox::StringView, smallSz> split(StringViewCR str, char del) noexcept {
+constexpr ox::Vector<ox::StringView, smallSz> split(StringViewCR str, char const del) noexcept {
 	ox::Vector<ox::StringView, smallSz> out;
 	constexpr auto nextSeg = [](StringViewCR current, char del) {
 		return substr(current, find(current, del) + 1);
 	};
-	for (auto current = str; current.len(); current = nextSeg(current, del)) {
+	for (auto current = str; current.size(); current = nextSeg(current, del)) {
 		const auto next = find(current, del);
-		if (const auto s = substr(current, 0, next); s.len()) {
+		if (const auto s = substr(current, 0, next); s.size()) {
 			out.emplace_back(s);
 		}
 		current = substr(current, next);
@@ -92,11 +102,11 @@ template<std::size_t smallSz = 0>
 constexpr ox::Vector<ox::StringView, smallSz> split(StringViewCR str, StringViewCR del) noexcept {
 	ox::Vector<ox::StringView, smallSz> out;
 	constexpr auto nextSeg = [](StringViewCR current, StringViewCR del) {
-		return substr(current, find(current, del) + del.len());
+		return substr(current, find(current, del) + del.size());
 	};
-	for (auto current = str; current.len(); current = nextSeg(current, del)) {
+	for (auto current = str; current.size(); current = nextSeg(current, del)) {
 		const auto next = find(current, del);
-		if (const auto s = substr(current, 0, next); s.len()) {
+		if (const auto s = substr(current, 0, next); s.size()) {
 			out.emplace_back(s);
 		}
 		current = substr(current, next);
@@ -105,7 +115,7 @@ constexpr ox::Vector<ox::StringView, smallSz> split(StringViewCR str, StringView
 }
 
 [[nodiscard]]
-constexpr ox::Result<std::size_t> lastIndexOf(ox::StringViewCR str, int character) noexcept {
+constexpr ox::Result<std::size_t> lastIndexOf(ox::StringViewCR str, int const character) noexcept {
 	ox::Result<std::size_t> retval = ox::Error(1, "Character not found");
 	for (auto i = static_cast<int>(str.bytes() - 1); i >= 0; --i) {
 		if (str[static_cast<std::size_t>(i)] == character) {

deps/nostalgia/deps/ox/src/ox/std/test/tests.cpp

@@ -183,7 +183,7 @@ OX_CLANG_NOWARN_END
 			s = "asdf";
 			oxAssert(s == "asdf", "String assign broken");
 			oxAssert(s != "aoeu", "String assign broken");
-			oxAssert(s.len() == 4, "String assign broken");
+			oxAssert(s.size() == 4, "String assign broken");
 			return ox::Error(0);
 		}
 	},
@@ -337,7 +337,6 @@ OX_CLANG_NOWARN_END
 			oxExpect(si["asdf"], 0);
 			oxAssert(si["aoeu"] == 100, "aoeu != 100");
 			auto si2 = si;
-			oxDebugf("{}", si2["asdf"]);
 			oxExpect(si2["asdf"], 0);
 			oxAssert(si2["aoeu"] == 100, "aoeu != 100");
 			ox::HashMap<int, int> ii;

deps/nostalgia/deps/ox/src/ox/std/trace.hpp

@@ -166,7 +166,7 @@ class OutStream {
 		constexpr OutStream &operator<<(Integer_c auto v) noexcept;
 
 		constexpr OutStream &operator<<(char v) noexcept {
-			if (m_msg.msg.len()) {
+			if (m_msg.msg.size()) {
 				m_msg.msg += m_delimiter;
 			}
 			m_msg.msg += v;
@@ -174,7 +174,7 @@ class OutStream {
 		}
 
 		constexpr OutStream &operator<<(StringViewCR v) noexcept {
-			if (m_msg.msg.len()) {
+			if (m_msg.msg.size()) {
 				m_msg.msg += m_delimiter;
 			}
 			m_msg.msg += v;
@@ -209,7 +209,7 @@ class OutStream {
 
 	private:
 		constexpr OutStream &appendSignedInt(int64_t v) noexcept {
-			if (m_msg.msg.len()) {
+			if (m_msg.msg.size()) {
 				m_msg.msg += m_delimiter;
 			}
 			m_msg.msg += static_cast<int64_t>(v);
@@ -217,7 +217,7 @@ class OutStream {
 		}
 
 		constexpr OutStream &appendUnsignedInt(uint64_t v) noexcept {
-			if (m_msg.msg.len()) {
+			if (m_msg.msg.size()) {
 				m_msg.msg += m_delimiter;
 			}
 			m_msg.msg += static_cast<int64_t>(v);
@@ -227,7 +227,7 @@ class OutStream {
 };
 
 constexpr OutStream &OutStream::operator<<(Integer_c auto v) noexcept {
-	if (m_msg.msg.len()) {
+	if (m_msg.msg.size()) {
 		m_msg.msg += m_delimiter;
 	}
 	m_msg.msg += v;
@@ -268,7 +268,7 @@ using TraceStream = NullStream;
 
 inline void logError(const char *file, int line, const char *fmt, const Error &err) noexcept {
 	if (err) {
-		TraceStream trc(file, line, "ox::error");
+		TraceStream trc(file, line, "ox.error");
 		if (err.src.file_name() != nullptr) {
 			trc << "Error: (" << err.src.file_name() << ":" << err.src.line() << "):";
 		} else {
@@ -280,7 +280,7 @@ inline void logError(const char *file, int line, const char *fmt, const Error &e
 
 inline void logError(const char *file, int line, const Error &err) noexcept {
 	if (err) {
-		TraceStream trc(file, line, "ox::error");
+		TraceStream trc(file, line, "ox.error");
 		trc <<  "Error:" << err;
 		if (err.src.file_name() != nullptr) {
 			trc << "(" << err.src.file_name() << ":" << err.src.line() << ")";

deps/nostalgia/deps/ox/src/ox/std/types.hpp

@@ -63,25 +63,6 @@ namespace ox {
 
 using CString = char const*;
 
-/**
- * Aliases type T in size and alignment to allow allocating space for a T
- * without running the constructor.
- */
-template<typename T, std::size_t sz = sizeof(T)>
-struct alignas(alignof(T)) AllocAlias {
-	char buff[sz];
-	constexpr AllocAlias() noexcept = default;
-	[[nodiscard]]
-	auto data() noexcept {
-		return reinterpret_cast<T*>(this);
-	}
-	[[nodiscard]]
-	auto data() const noexcept {
-		return reinterpret_cast<const T*>(this);
-	}
-};
-
-
 template<std::size_t sz>
 struct SignedType {
 };

deps/nostalgia/deps/ox/src/ox/std/uuid.hpp

@@ -58,7 +58,7 @@ constexpr ox::Result<uint8_t> fromHex(ox::StringViewCR v) noexcept {
 	if (!detail::isHexChar(v[0]) || !detail::isHexChar(v[1])) {
 		return ox::Error(1, "Invalid UUID");
 	}
-	if (v.len() != 2) {
+	if (v.size() != 2) {
 		return ox::Error(2);
 	}
 	uint8_t out = 0;
@@ -133,18 +133,18 @@ class UUID {
 		}
 
 		static constexpr ox::Result<ox::UUID> fromString(ox::StringViewCR s) noexcept {
-			if (s.len() < 36) {
+			if (s.size() < 36) {
 				return ox::Error(1, "Insufficient data to contain a complete UUID");
 			}
 			UUID out;
 			auto valueI = 0u;
-			for (size_t i = 0; i < s.len();) {
+			for (size_t i = 0; i < s.size();) {
 				if (s[i] == '-') {
 					++i;
 					continue;
 				}
 				const auto seg = substr(s, i, i + 2);
-				if (seg.len() != 2) {
+				if (seg.size() != 2) {
 					return ox::Error(1, "Invalid UUID");
 				}
 				OX_REQUIRE(val, detail::fromHex(seg));
@@ -174,7 +174,7 @@ class UUID {
 				for (auto i = 0u; i < cnt; ++i) {
 					const auto v = value[valueI];
 					const auto h = detail::toHex(v);
-					std::ignore = writer.write(h.c_str(), h.len());
+					std::ignore = writer.write(h.c_str(), h.size());
 					++valueI;
 				}
 			};

deps/nostalgia/deps/ox/src/ox/std/vector.hpp

@@ -34,10 +34,10 @@ struct VectorAllocator {
 		ox::Array<AllocAlias<T>, Size> m_data = {};
 	protected:
 		constexpr VectorAllocator() noexcept = default;
-		constexpr VectorAllocator(const VectorAllocator&) noexcept = default;
+		constexpr VectorAllocator(VectorAllocator const&) noexcept = default;
 		constexpr VectorAllocator(VectorAllocator&&) noexcept = default;
 
-		constexpr void allocate(T **items, std::size_t cap) noexcept {
+		constexpr void allocate(T **items, std::size_t const cap) noexcept {
 			// small vector optimization cannot be done it constexpr, but it doesn't really matter in constexpr
 			if (std::is_constant_evaluated() || cap > Size) {
 				*items = Allocator{}.allocate(cap);
@@ -49,45 +49,38 @@ struct VectorAllocator {
 		constexpr void moveConstructItemsFrom(
 				T **items,
 				VectorAllocator *src,
-				const std::size_t count,
-				const std::size_t cap) noexcept {
+				std::size_t const count,
+				std::size_t const cap) noexcept {
 			// this totally idiotic redundant check (&& count <= Size) is required to address a bug in devkitARM,
 			// try removing it later
 			if (!std::is_constant_evaluated()) {
 				if (cap <= m_data.size() && count <= m_data.size()) {
 					for (auto i = 0u; i < count; ++i) {
-						const auto dstItem = reinterpret_cast<T *>(&m_data[i]);
-						const auto srcItem = reinterpret_cast<T *>(&src->m_data[i]);
-						std::construct_at<T>(dstItem, std::move(*srcItem));
+						auto const srcItem = std::launder(reinterpret_cast<T*>(&src->m_data[i]));
+#if defined(__GNUC__) && __GNUC__ >= 12
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-overflow="
+#endif
+						new (&m_data[i]) T(std::move(*srcItem));
+#if defined(__GNUC__) && __GNUC__ >= 12
+#pragma GCC diagnostic pop
+#endif
+					}
+					if (count) {
+						*items = std::launder(reinterpret_cast<T*>(m_data.data()));
+					} else {
+						*items = reinterpret_cast<T*>(m_data.data());
 					}
-					*items = reinterpret_cast<T*>(m_data.data());
 				}
 			}
 		}
 
-		constexpr void moveItemsFrom(
-				T **items,
-				VectorAllocator *src,
-				const std::size_t count,
-				const std::size_t cap) noexcept {
-			// this totally idiotic redundant check (&& count <= Size) is required to address a bug in devkitARM,
-			// try removing it later
-			if (!std::is_constant_evaluated()) {
-				if (cap <= m_data.size() && count <= m_data.size()) {
-					for (std::size_t i = 0; i < count; ++i) {
-						const auto dstItem = reinterpret_cast<T *>(&m_data[i]);
-						const auto srcItem = reinterpret_cast<T *>(&src->m_data[i]);
-						*dstItem = std::move(*srcItem);
-					}
-					*items = reinterpret_cast<T*>(m_data.data());
-				}
-			}
-		}
-
-		constexpr void deallocate(T *items, std::size_t cap) noexcept {
+		constexpr void deallocate(T *const items, std::size_t const cap) noexcept {
 			// small vector optimization cannot be done it constexpr, but it doesn't really matter in constexpr
 			if (std::is_constant_evaluated()) {
-				Allocator{}.deallocate(items, cap);
+				if (items) {
+					Allocator{}.deallocate(items, cap);
+				}
 			} else {
 				if (items && static_cast<void*>(items) != static_cast<void*>(m_data.data())) {
 					Allocator{}.deallocate(items, cap);
@@ -101,10 +94,10 @@ template<typename T, typename Allocator>
 struct VectorAllocator<T, Allocator, 0> {
 	protected:
 		constexpr VectorAllocator() noexcept = default;
-		constexpr VectorAllocator(const VectorAllocator&) noexcept = default;
+		constexpr VectorAllocator(VectorAllocator const&) noexcept = default;
 		constexpr VectorAllocator(VectorAllocator&&) noexcept = default;
 
-		constexpr void allocate(T **items, std::size_t cap) noexcept {
+		constexpr void allocate(T **items, std::size_t const cap) noexcept {
 			*items = Allocator{}.allocate(cap);
 		}
 
@@ -112,15 +105,15 @@ struct VectorAllocator<T, Allocator, 0> {
 		constexpr void moveConstructItemsFrom(
 				T**,
 				VectorAllocator*,
-				const std::size_t,
-				const std::size_t) noexcept {
+				std::size_t const,
+				std::size_t const) noexcept {
 		}
 
 		[[maybe_unused]]
-		constexpr void moveItemsFrom(T**, VectorAllocator*, const std::size_t, const std::size_t) noexcept {
+		constexpr void moveItemsFrom(T**, VectorAllocator*, std::size_t const, std::size_t const) noexcept {
 		}
 
-		constexpr void deallocate(T *items, std::size_t cap) noexcept {
+		constexpr void deallocate(T *const items, std::size_t const cap) noexcept {
 			if (items) {
 				Allocator{}.deallocate(items, cap);
 			}
@@ -285,7 +278,9 @@ class Vector: detail::VectorAllocator<T, Allocator, SmallVectorSize> {
 		template<typename... Args>
 		constexpr T &emplace_back(Args&&... args) noexcept(useNoexcept);
 
-		constexpr void push_back(T item) noexcept(useNoexcept);
+		constexpr void push_back(T const &item) noexcept(useNoexcept);
+
+		constexpr void push_back(T &&item) noexcept(useNoexcept);
 
 		constexpr void pop_back() noexcept(useNoexcept);
 
@@ -419,7 +414,7 @@ constexpr Vector<T, SmallVectorSize, Allocator> &Vector<T, SmallVectorSize, Allo
 		m_size = other.m_size;
 		m_cap = other.m_cap;
 		m_items = other.m_items;
-		this->moveItemsFrom(&m_items, &other, m_size, m_cap);
+		this->moveConstructItemsFrom(&m_items, &other, m_size, m_cap);
 		other.m_size = 0;
 		other.m_cap = 0;
 		other.m_items = nullptr;
@@ -615,7 +610,16 @@ constexpr T &Vector<T, SmallVectorSize, Allocator>::emplace_back(Args&&... args)
 }
 
 template<typename T, std::size_t SmallVectorSize, typename Allocator>
-constexpr void Vector<T, SmallVectorSize, Allocator>::push_back(T item) noexcept(useNoexcept) {
+constexpr void Vector<T, SmallVectorSize, Allocator>::push_back(T const &item) noexcept(useNoexcept) {
+	if (m_size == m_cap) {
+		reserve(m_cap ? m_cap * 2 : initialCap);
+	}
+	std::construct_at(&m_items[m_size], item);
+	++m_size;
+}
+
+template<typename T, std::size_t SmallVectorSize, typename Allocator>
+constexpr void Vector<T, SmallVectorSize, Allocator>::push_back(T &&item) noexcept(useNoexcept) {
 	if (m_size == m_cap) {
 		reserve(m_cap ? m_cap * 2 : initialCap);
 	}

deps/nostalgia/deps/teagba/include/teagba/addresses.hpp

@@ -5,103 +5,117 @@
 #pragma once
 
 #include <ox/std/array.hpp>
-#include <ox/std/types.hpp>
+#include <ox/std/units.hpp>
 
 /////////////////////////////////////////////////////////////////
 // Interrupt Handler
 
-using interrupt_handler = void (*)();
-#define REG_ISR *reinterpret_cast<interrupt_handler*>(0x0300'7FFC)
-#define REG_IE  *reinterpret_cast<volatile uint16_t*>(0x0400'0200)
-#define REG_IF  *reinterpret_cast<volatile uint16_t*>(0x0400'0202)
-#define REG_IME *reinterpret_cast<volatile uint16_t*>(0x0400'0208)
+using InterruptHandler = void(*)();
+#define REG_ISR (*reinterpret_cast<InterruptHandler*>(0x0300'7FFC))
+#define REG_IE  (*reinterpret_cast<volatile uint16_t*>(0x0400'0200))
+#define REG_IF  (*reinterpret_cast<volatile uint16_t*>(0x0400'0202))
+#define REG_IME (*reinterpret_cast<volatile uint16_t*>(0x0400'0208))
 
 /////////////////////////////////////////////////////////////////
 // Display Registers
 
-#define REG_DISPCTL  *reinterpret_cast<volatile uint32_t*>(0x0400'0000)
-#define REG_DISPSTAT *reinterpret_cast<volatile uint32_t*>(0x0400'0004)
-#define REG_VCOUNT   *reinterpret_cast<volatile uint32_t*>(0x0400'0006)
+#define REG_DISPCTL  (*reinterpret_cast<volatile uint32_t*>(0x0400'0000))
+#define REG_DISPSTAT (*reinterpret_cast<volatile uint32_t*>(0x0400'0004))
+#define REG_VCOUNT   (*reinterpret_cast<volatile uint32_t*>(0x0400'0006))
 
 /////////////////////////////////////////////////////////////////
 // Timers
 
-#define REG_TIMER0    *reinterpret_cast<volatile uint16_t*>(0x0400'0100)
-#define REG_TIMER0CTL *reinterpret_cast<volatile uint16_t*>(0x0400'0102)
+#define REG_TIMER0    (*reinterpret_cast<volatile uint16_t*>(0x0400'0100))
+#define REG_TIMER0CTL (*reinterpret_cast<volatile uint16_t*>(0x0400'0102))
 
-#define REG_TIMER1    *reinterpret_cast<volatile uint16_t*>(0x0400'0104)
-#define REG_TIMER1CTL *reinterpret_cast<volatile uint16_t*>(0x0400'0106)
+#define REG_TIMER1    (*reinterpret_cast<volatile uint16_t*>(0x0400'0104))
+#define REG_TIMER1CTL (*reinterpret_cast<volatile uint16_t*>(0x0400'0106))
 
-#define REG_TIMER2    *reinterpret_cast<volatile uint16_t*>(0x0400'0108)
-#define REG_TIMER2CTL *reinterpret_cast<volatile uint16_t*>(0x0400'010a)
+#define REG_TIMER2    (*reinterpret_cast<volatile uint16_t*>(0x0400'0108))
+#define REG_TIMER2CTL (*reinterpret_cast<volatile uint16_t*>(0x0400'010a))
 
-#define REG_TIMER3    *reinterpret_cast<volatile uint16_t*>(0x0400'010c)
-#define REG_TIMER3CTL *reinterpret_cast<volatile uint16_t*>(0x0400'010e)
+#define REG_TIMER3    (*reinterpret_cast<volatile uint16_t*>(0x0400'010c))
+#define REG_TIMER3CTL (*reinterpret_cast<volatile uint16_t*>(0x0400'010e))
 
 /////////////////////////////////////////////////////////////////
 // background registers
 
 // background control registers
 using BgCtl = uint16_t;
-#define REG_BG0CTL *reinterpret_cast<volatile BgCtl*>(0x0400'0008)
-#define REG_BG1CTL *reinterpret_cast<volatile BgCtl*>(0x0400'000a)
-#define REG_BG2CTL *reinterpret_cast<volatile BgCtl*>(0x0400'000c)
-#define REG_BG3CTL *reinterpret_cast<volatile BgCtl*>(0x0400'000e)
+#define REG_BG0CTL (*reinterpret_cast<volatile BgCtl*>(0x0400'0008))
+#define REG_BG1CTL (*reinterpret_cast<volatile BgCtl*>(0x0400'000a))
+#define REG_BG2CTL (*reinterpret_cast<volatile BgCtl*>(0x0400'000c))
+#define REG_BG3CTL (*reinterpret_cast<volatile BgCtl*>(0x0400'000e))
 
 [[nodiscard]]
-inline volatile BgCtl &regBgCtl(uintptr_t bgIdx) noexcept {
+inline volatile BgCtl &regBgCtl(uintptr_t const bgIdx) noexcept {
 	return *reinterpret_cast<volatile BgCtl*>(0x0400'0008 + 2 * bgIdx);
 }
 
 // background horizontal scrolling registers
-#define REG_BG0HOFS *reinterpret_cast<volatile uint32_t*>(0x0400'0010)
-#define REG_BG1HOFS *reinterpret_cast<volatile uint32_t*>(0x0400'0014)
-#define REG_BG2HOFS *reinterpret_cast<volatile uint32_t*>(0x0400'0018)
-#define REG_BG3HOFS *reinterpret_cast<volatile uint32_t*>(0x0400'001c)
+#define REG_BG0HOFS (*reinterpret_cast<volatile int16_t*>(0x0400'0010))
+#define REG_BG1HOFS (*reinterpret_cast<volatile int16_t*>(0x0400'0014))
+#define REG_BG2HOFS (*reinterpret_cast<volatile int16_t*>(0x0400'0018))
+#define REG_BG3HOFS (*reinterpret_cast<volatile int16_t*>(0x0400'001c))
 
 [[nodiscard]]
-inline volatile uint32_t &regBgHofs(auto bgIdx) noexcept {
-	return *reinterpret_cast<volatile uint32_t*>(0x0400'0010 + 4 * bgIdx);
+volatile int16_t &regBgHofs(auto const bgIdx) noexcept {
+	return *reinterpret_cast<volatile int16_t*>(0x0400'0010 + 4 * bgIdx);
 }
 
 // background vertical scrolling registers
-#define REG_BG0VOFS *reinterpret_cast<volatile uint32_t*>(0x0400'0012)
-#define REG_BG1VOFS *reinterpret_cast<volatile uint32_t*>(0x0400'0016)
-#define REG_BG2VOFS *reinterpret_cast<volatile uint32_t*>(0x0400'001a)
-#define REG_BG3VOFS *reinterpret_cast<volatile uint32_t*>(0x0400'001e)
+#define REG_BG0VOFS (*reinterpret_cast<volatile int16_t*>(0x0400'0012))
+#define REG_BG1VOFS (*reinterpret_cast<volatile int16_t*>(0x0400'0016))
+#define REG_BG2VOFS (*reinterpret_cast<volatile int16_t*>(0x0400'001a))
+#define REG_BG3VOFS (*reinterpret_cast<volatile int16_t*>(0x0400'001e))
 
 [[nodiscard]]
-inline volatile uint32_t &regBgVofs(auto bgIdx) noexcept {
-	return *reinterpret_cast<volatile uint32_t*>(0x0400'0012 + 4 * bgIdx);
+volatile int16_t &regBgVofs(auto const bgIdx) noexcept {
+	return *reinterpret_cast<volatile int16_t*>(0x0400'0012 + 4 * bgIdx);
+}
+
+// background scrolling registers
+
+struct OffsetPair {
+	int16_t x{}, y{};
+};
+
+#define REG_BG0OFS (*reinterpret_cast<volatile OffsetPair*>(0x0400'0010))
+#define REG_BG1OFS (*reinterpret_cast<volatile OffsetPair*>(0x0400'0014))
+#define REG_BG2OFS (*reinterpret_cast<volatile OffsetPair*>(0x0400'0018))
+#define REG_BG3OFS (*reinterpret_cast<volatile OffsetPair*>(0x0400'001c))
+
+[[nodiscard]]
+volatile OffsetPair &regBgOfs(auto const bgIdx) noexcept {
+	return *reinterpret_cast<volatile OffsetPair*>(0x0400'0010 + sizeof(OffsetPair) * bgIdx);
 }
 
 /////////////////////////////////////////////////////////////////
 // User Input
 
-#define REG_GAMEPAD *reinterpret_cast<volatile uint16_t*>(0x0400'0130)
+#define REG_GAMEPAD (*reinterpret_cast<volatile uint16_t*>(0x0400'0130))
 
 /////////////////////////////////////////////////////////////////
 // Memory Addresses
 
-#define MEM_EWRAM_BEGIN reinterpret_cast<uint8_t*>(0x0200'0000)
-#define MEM_EWRAM_END   reinterpret_cast<uint8_t*>(0x0203'FFFF)
+#define MEM_EWRAM (*reinterpret_cast<ox::Array<uint16_t, 0x0203'FFFF - 0x0200'0000>*>(0x0200'0000))
 
-#define MEM_IWRAM_BEGIN reinterpret_cast<uint8_t*>(0x0300'0000)
-#define MEM_IWRAM_END   reinterpret_cast<uint8_t*>(0x0300'7FFF)
+#define MEM_IWRAM (*reinterpret_cast<ox::Array<uint8_t, 0x0300'7FFF - 0x0300'0000>*>(0x0300'0000))
 
-#define REG_BLNDCTL *reinterpret_cast<uint16_t*>(0x0400'0050)
+#define REG_BLNDCTL (*reinterpret_cast<uint16_t*>(0x0400'0050))
 
-#define MEM_BG_PALETTE reinterpret_cast<uint16_t*>(0x0500'0000)
-#define MEM_SPRITE_PALETTE reinterpret_cast<uint16_t*>(0x0500'0200)
+using Palette = ox::Array<uint16_t, 128>;
+#define MEM_BG_PALETTE (*reinterpret_cast<::Palette*>(0x0500'0000))
+#define MEM_SPRITE_PALETTE (*reinterpret_cast<::Palette*>(0x0500'0200))
 
 using BgMapTile = ox::Array<uint16_t, 8192>;
-#define MEM_BG_TILES reinterpret_cast<BgMapTile*>(0x0600'0000)
-#define MEM_BG_MAP reinterpret_cast<BgMapTile*>(0x0600'e000)
+#define MEM_BG_TILES (*reinterpret_cast<ox::Array<BgMapTile, 4>*>(0x0600'0000))
+#define MEM_BG_MAP (*reinterpret_cast<ox::Array<BgMapTile, 4>*>(0x0600'e000))
 
-#define MEM_SPRITE_TILES reinterpret_cast<uint16_t*>(0x0601'0000)
-#define MEM_OAM reinterpret_cast<uint64_t*>(0x0700'0000)
+#define MEM_SPRITE_TILES (*reinterpret_cast<ox::Array<uint16_t, 32 * ox::units::KB>*>(0x0601'0000))
+#define MEM_OAM (*reinterpret_cast<ox::Array<uint64_t, 64>*>(0x0700'0000))
 
-#define MEM_ROM reinterpret_cast<char*>(0x0800'0000)
+#define MEM_ROM (*reinterpret_cast<ox::Array<char, 32 * ox::units::MB>*>(0x0700'0000))
 
-#define MEM_SRAM reinterpret_cast<char*>(0x0e00'0000)
-#define MEM_SRAM_SIZE 65535
+#define MEM_SRAM (*reinterpret_cast<ox::Array<char, 64 * ox::units::KB>*>(0x0e00'0000))

deps/nostalgia/deps/teagba/include/teagba/gfx.hpp

@@ -41,4 +41,8 @@ void addSpriteUpdate(GbaSpriteAttrUpdate const &upd) noexcept;
 
 void applySpriteUpdates() noexcept;
 
+void setBgOffset(uint16_t bg, int16_t x, int16_t y) noexcept;
+
+void scrollBgOffset(uint16_t bg, int16_t x, int16_t y) noexcept;
+
 }

deps/nostalgia/deps/teagba/src/gfx.cpp

@@ -12,7 +12,7 @@ namespace teagba {
 
 static ox::Array<GbaSpriteAttrUpdate, 128> g_spriteBuffer;
 
-GbaSpriteAttrUpdate &spriteAttr(size_t i) noexcept {
+GbaSpriteAttrUpdate &spriteAttr(size_t const i) noexcept {
 	return g_spriteBuffer[i];
 }
 
@@ -29,4 +29,16 @@ void applySpriteUpdates() noexcept {
 	}
 }
 
+void setBgOffset(uint16_t const bg, int16_t const x, int16_t const y) noexcept {
+	auto &o = regBgOfs(bg);
+	o.x = x;
+	o.y = y;
+}
+
+void scrollBgOffset(uint16_t const bg, int16_t const x, int16_t const y) noexcept {
+	auto &o = regBgOfs(bg);
+	o.x = o.x + x;
+	o.y = o.y + y;
+}
+
 }

deps/nostalgia/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

deps/nostalgia/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);
+		});
 }
 
 }

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

@@ -114,10 +114,10 @@ struct InitParams {
 ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const &params = {}) noexcept;
 
 [[nodiscard]]
-int tileColumns(Context&) noexcept;
+int tileColumns(Context const&) noexcept;
 
 [[nodiscard]]
-int tileRows(Context&) noexcept;
+int tileRows(Context const&) noexcept;
 
 ox::Error loadBgPalette(
 		Context &ctx,
@@ -238,6 +238,10 @@ void setBgCbb(Context &ctx, unsigned bgIdx, unsigned cbbIdx) noexcept;
 
 void setBgPriority(Context &ctx, uint_t bgIdx, uint_t priority) noexcept;
 
+void setBgOffset(Context &ctx, uint16_t bg, int16_t x, int16_t y) noexcept;
+
+void scrollBgOffset(Context &ctx, uint16_t bg, int16_t x, int16_t y) noexcept;
+
 void hideSprite(Context &ctx, unsigned) noexcept;
 
 void showSprite(Context &ctx, unsigned) noexcept;
@@ -260,8 +264,8 @@ constexpr ox::CStringView GlslVersion = "#version 330";
 [[nodiscard]]
 ox::Size drawSize(int scale = 5) noexcept;
 
-void draw(gfx::Context &ctx, ox::Size const &renderSz) noexcept;
+void draw(Context &ctx, ox::Size const &renderSz) noexcept;
 
-void draw(gfx::Context&, int scale = 5) noexcept;
+void draw(Context&, int scale = 5) noexcept;
 
 }

deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/palette.hpp

@@ -168,9 +168,9 @@ OX_MODEL_BEGIN(PaletteV3)
 OX_MODEL_END()
 
 [[nodiscard]]
-constexpr bool valid(PaletteV3 const&p) noexcept {
+constexpr bool valid(PaletteV3 const &p) noexcept {
 	auto const colors = p.colorInfo.size();
-	return ox::all_of(p.pages.begin(), p.pages.end(), [colors](auto const&page) {
+	return ox::all_of(p.pages.begin(), p.pages.end(), [colors](auto const &page) {
 		return page.size() == colors;
 	});
 }
@@ -198,9 +198,9 @@ OX_MODEL_BEGIN(PaletteV4)
 OX_MODEL_END()
 
 [[nodiscard]]
-constexpr bool valid(PaletteV4 const&p) noexcept {
+constexpr bool valid(PaletteV4 const &p) noexcept {
 	auto const colors = p.colorNames.size();
-	return ox::all_of(p.pages.begin(), p.pages.end(), [colors](PalettePageV1 const&page) {
+	return ox::all_of(p.pages.begin(), p.pages.end(), [colors](PalettePageV1 const &page) {
 		return page.colors.size() == colors;
 	});
 }

deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/ptidxconv.hpp

@@ -11,7 +11,7 @@
 namespace nostalgia::gfx {
 
 [[nodiscard]]
-constexpr std::size_t ptToIdx(int x, int y, int c, int scale = 1) noexcept {
+constexpr std::size_t ptToIdx(int const x, int const y, int const c, int const scale = 1) noexcept {
 	auto const tileWidth = TileWidth * scale;
 	auto const tileHeight = TileHeight * scale;
 	auto const pixelsPerTile = tileWidth * tileHeight;
@@ -25,12 +25,12 @@ constexpr std::size_t ptToIdx(int x, int y, int c, int scale = 1) noexcept {
 }
 
 [[nodiscard]]
-constexpr std::size_t ptToIdx(const ox::Point &pt, int c, int scale = 1) noexcept {
+constexpr std::size_t ptToIdx(ox::Point const &pt, int const c, int const scale = 1) noexcept {
 	return ptToIdx(pt.x, pt.y, c * TileWidth, scale);
 }
 
 [[nodiscard]]
-constexpr ox::Point idxToPt(int i, int c, int scale = 1) noexcept {
+constexpr ox::Point idxToPt(int const i, int c, int const scale = 1) noexcept {
 	auto const tileWidth = TileWidth * scale;
 	auto const tileHeight = TileHeight * scale;
 	auto const pixelsPerTile = tileWidth * tileHeight;

deps/nostalgia/src/nostalgia/modules/gfx/include/nostalgia/gfx/tilesheet.hpp

@@ -30,7 +30,7 @@ struct TileSheetV1 {
 };
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV1 const&ts) noexcept {
+constexpr bool valid(TileSheetV1 const &ts) noexcept {
 	auto const bytes = static_cast<size_t>(ts.columns * ts.rows * PixelsPerTile) / (ts.bpp == 4 ? 2 : 1);
 	return (ts.bpp == 4 || ts.bpp == 8) && ts.pixels.size() == bytes;
 }
@@ -71,16 +71,16 @@ struct TileSheetV2 {
 };
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV2::SubSheet const&ss, int bpp) noexcept {
+constexpr bool valid(TileSheetV2::SubSheet const &ss, int bpp) noexcept {
 	auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile) / (bpp == 4 ? 2 : 1);
 	return ox::all_of(ss.subsheets.begin(), ss.subsheets.end(),
-			[bpp, bytes](TileSheetV2::SubSheet const&s) {
+			[bpp, bytes](TileSheetV2::SubSheet const &s) {
 		return bytes == s.pixels.size() && valid(s, bpp);
 	});
 }
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV2 const&ts) noexcept {
+constexpr bool valid(TileSheetV2 const &ts) noexcept {
 	return (ts.bpp == 4 || ts.bpp == 8) && valid(ts.subsheet, ts.bpp);
 }
 
@@ -141,16 +141,16 @@ struct TileSheetV3 {
 };
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV3::SubSheet const&ss, int bpp) noexcept {
+constexpr bool valid(TileSheetV3::SubSheet const &ss, int bpp) noexcept {
 	auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile) / (bpp == 4 ? 2 : 1);
 	return ox::all_of(ss.subsheets.begin(), ss.subsheets.end(),
-			[bpp, bytes](TileSheetV3::SubSheet const&s) {
+			[bpp, bytes](TileSheetV3::SubSheet const &s) {
 		return bytes == s.pixels.size() && valid(s, bpp);
 	});
 }
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV3 const&ts) noexcept {
+constexpr bool valid(TileSheetV3 const &ts) noexcept {
 	return (ts.bpp == 4 || ts.bpp == 8) && valid(ts.subsheet, ts.bpp);
 }
 
@@ -233,18 +233,18 @@ struct TileSheetV4 {
 };
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV4::SubSheet const&ss, int bpp) noexcept {
+constexpr bool valid(TileSheetV4::SubSheet const &ss, int bpp) noexcept {
 	auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile) / (bpp == 4 ? 2 : 1);
 	return
 		(ss.pixels.empty() || ss.subsheets.empty()) &&
 		ox::all_of(ss.subsheets.begin(), ss.subsheets.end(),
-				[bpp, bytes](TileSheetV4::SubSheet const&s) {
+				[bpp, bytes](TileSheetV4::SubSheet const &s) {
 			return bytes == s.pixels.size() && valid(s, bpp);
 		});
 }
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV4 const&ts) noexcept {
+constexpr bool valid(TileSheetV4 const &ts) noexcept {
 	return (ts.bpp == 4 || ts.bpp == 8) && valid(ts.subsheet, ts.bpp);
 }
 
@@ -334,19 +334,19 @@ struct TileSheetV5 {
 };
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV5::SubSheet const&ss) noexcept {
+constexpr bool valid(TileSheetV5::SubSheet const &ss) noexcept {
 	if (ss.subsheets.empty()) {
 		return std::cmp_equal(ss.columns * ss.rows * PixelsPerTile, ss.pixels.size());
 	} else {
 		return ss.pixels.empty() && ox::all_of(ss.subsheets.begin(), ss.subsheets.end(),
-				[](TileSheetV5::SubSheet const&s) {
+				[](TileSheetV5::SubSheet const &s) {
 			return valid(s);
 		});
 	}
 }
 
 [[nodiscard]]
-constexpr bool valid(TileSheetV5 const&ts) noexcept {
+constexpr bool valid(TileSheetV5 const &ts) noexcept {
 	return (ts.bpp == 4 || ts.bpp == 8) && valid(ts.subsheet);
 }
 
@@ -376,24 +376,24 @@ constexpr ox::Error repair(TileSheetV5 &ts) noexcept {
 using TileSheet = TileSheetV5;
 
 [[nodiscard]]
-std::size_t idx(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
+std::size_t idx(TileSheet::SubSheet const &ss, ox::Point const &pt) noexcept;
 
 [[nodiscard]]
-size_t getTileCnt(TileSheet const&ts) noexcept;
+size_t getTileCnt(TileSheet const &ts) noexcept;
 
 [[nodiscard]]
-TileSheet::SubSheet const*getSubsheet(TileSheet const&ts, SubSheetId id) noexcept;
+TileSheet::SubSheet const*getSubsheet(TileSheet const &ts, SubSheetId id) noexcept;
 
 [[nodiscard]]
-ox::Optional<size_t> getTileIdx(TileSheet const&ts, SubSheetId id) noexcept;
+ox::Optional<size_t> getTileIdx(TileSheet const &ts, SubSheetId id) noexcept;
 
 [[nodiscard]]
-uint8_t getPixel(TileSheet::SubSheet const&ss, std::size_t idx) noexcept;
+uint8_t getPixel(TileSheet::SubSheet const &ss, std::size_t idx) noexcept;
 
 [[nodiscard]]
-uint8_t getPixel(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
+uint8_t getPixel(TileSheet::SubSheet const &ss, ox::Point const &pt) noexcept;
 
-void setPixel(TileSheet::SubSheet &ss, ox::Point const&pt, uint8_t palIdx) noexcept;
+void setPixel(TileSheet::SubSheet &ss, ox::Point const &pt, uint8_t palIdx) noexcept;
 
 ox::Error setPixelCount(TileSheet::SubSheet &ss, std::size_t cnt) noexcept;
 
@@ -406,14 +406,14 @@ void flipY(TileSheet::SubSheet &ss, ox::Point const &a, ox::Point const &b) noex
  * @return a count of the pixels in this sheet
  */
 [[nodiscard]]
-unsigned pixelCnt(TileSheet::SubSheet const&ss) noexcept;
+unsigned pixelCnt(TileSheet::SubSheet const &ss) noexcept;
 
 /**
  *
  * @param ss
  * @param sz size of Subsheet in tiles (not pixels)
  */
-ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const&sz) noexcept;
+ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const &sz) noexcept;
 
 /**
  * validateSubSheetIdx takes a SubSheetIdx and moves the index to the
@@ -424,13 +424,21 @@ ox::Error resizeSubsheet(TileSheet::SubSheet &ss, ox::Size const&sz) noexcept;
  * @return a valid version of idx
  */
 [[nodiscard]]
-TileSheet::SubSheetIdx validateSubSheetIdx(TileSheet const&ts, TileSheet::SubSheetIdx idx) noexcept;
+TileSheet::SubSheetIdx validateSubSheetIdx(TileSheet const &ts, TileSheet::SubSheetIdx idx) noexcept;
 
 ox::Result<TileSheet::SubSheetIdx> getSubSheetIdx(TileSheet const &ts, SubSheetId pId) noexcept;
 
+ox::Result<TileSheet::SubSheet*> getSubSheet(
+		ox::SpanView<ox::StringView> const &idx,
+		TileSheet &ts) noexcept;
+
+ox::Result<TileSheet::SubSheet const*> getSubSheet(
+		ox::SpanView<ox::StringView> const &idx,
+		TileSheet const &ts) noexcept;
+
 [[nodiscard]]
 TileSheet::SubSheet &getSubSheet(
-		ox::SpanView<uint32_t> const&idx,
+		ox::SpanView<uint32_t> const &idx,
 		std::size_t idxIt,
 		TileSheet::SubSheet &pSubsheet) noexcept;
 
@@ -439,7 +447,7 @@ TileSheet::SubSheet &getSubSheet(
 #pragma GCC diagnostic ignored "-Wdangling-reference"
 #endif
 [[nodiscard]]
-TileSheet::SubSheet const&getSubSheet(TileSheet const&ts, ox::SpanView<uint32_t> const &idx) noexcept;
+TileSheet::SubSheet const &getSubSheet(TileSheet const &ts, ox::SpanView<uint32_t> const &idx) noexcept;
 
 [[nodiscard]]
 TileSheet::SubSheet &getSubSheet(TileSheet &ts, ox::SpanView<uint32_t> const &idx) noexcept;
@@ -453,27 +461,29 @@ ox::Error insertSubSheet(TileSheet &ts, ox::SpanView<uint32_t> const &idx, TileS
 
 ox::Error rmSubSheet(
 		TileSheet &ts,
-		TileSheet::SubSheetIdx const&idx,
+		TileSheet::SubSheetIdx const &idx,
 		std::size_t idxIt,
 		TileSheet::SubSheet &pSubsheet) noexcept;
 
-ox::Error rmSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const&idx) noexcept;
+ox::Error rmSubSheet(TileSheet &ts, TileSheet::SubSheetIdx const &idx) noexcept;
 
 [[nodiscard]]
 uint8_t getPixel(
-		TileSheet const&ts,
-		ox::Point const&pt,
-		TileSheet::SubSheetIdx const&subsheetIdx) noexcept;
+		TileSheet const &ts,
+		ox::Point const &pt,
+		TileSheet::SubSheetIdx const &subsheetIdx) noexcept;
 
-ox::Result<SubSheetId> getIdFor(TileSheet const&ts, ox::StringViewCR path) noexcept;
+ox::Result<SubSheetId> getIdFor(TileSheet const &ts, ox::StringViewCR path) noexcept;
 
-ox::Result<unsigned> getTileOffset(TileSheet const&ts, ox::StringViewCR pNamePath) noexcept;
+ox::Result<unsigned> getTileOffset(TileSheet const &ts, ox::StringViewCR pNamePath) noexcept;
 
-ox::Result<uint32_t> getTileOffset(TileSheet const&ts, SubSheetId pId) noexcept;
+ox::Result<uint32_t> getTileOffset(TileSheet const &ts, SubSheetId pId) noexcept;
 
-ox::Result<ox::StringView> getNameFor(TileSheet::SubSheet const&ss, SubSheetId pId) noexcept;
+ox::Result<ox::StringView> getNameFor(TileSheet::SubSheet const &ss, SubSheetId pId) noexcept;
 
-ox::Result<ox::StringView> getNameFor(TileSheet const&ts, SubSheetId pId) noexcept;
+ox::Result<ox::StringView> getNameFor(TileSheet &ts, SubSheetId pId) noexcept;
+
+ox::Result<ox::StringView> getNameFor(TileSheet const &ts, SubSheetId pId) noexcept;
 
 [[nodiscard]]
 ox::Vector<uint8_t> pixels(TileSheet &ts) noexcept;
@@ -489,7 +499,7 @@ struct CompactTileSheetV1 {
 };
 
 [[nodiscard]]
-constexpr bool valid(CompactTileSheetV1 const&ts) noexcept {
+constexpr bool valid(CompactTileSheetV1 const &ts) noexcept {
 	return ts.bpp == 4 || ts.bpp == 8;
 }
 
@@ -498,22 +508,22 @@ using CompactTileSheet = CompactTileSheetV1;
 
 [[nodiscard]]
 uint8_t getPixel4Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t idx) noexcept;
 
 [[nodiscard]]
 uint8_t getPixel8Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t idx) noexcept;
 
 [[nodiscard]]
 ox::Pair<uint8_t> get2Pixels4Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t idx) noexcept;
 
 [[nodiscard]]
 ox::Pair<uint8_t> get2Pixels8Bpp(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t idx) noexcept;
 
 OX_MODEL_BEGIN(TileSheetV1)
@@ -593,8 +603,8 @@ OX_MODEL_BEGIN(CompactTileSheetV1)
 OX_MODEL_END()
 
 ox::Vector<uint32_t> resizeTileSheetData(
-		ox::Vector<uint32_t> const&srcPixels,
-		ox::Size const&srcSize,
+		ox::Vector<uint32_t> const &srcPixels,
+		ox::Size const &srcSize,
 		int scale = 2) noexcept;
 
 }

deps/nostalgia/src/nostalgia/modules/gfx/src/gfx-gba.cpp

@@ -35,11 +35,6 @@ class Context {
 		Context(Context const &&other) noexcept = delete;
 		virtual ~Context() noexcept = default;
 
-		[[nodiscard]]
-		ox::MemFS const &rom() const noexcept {
-			return static_cast<ox::MemFS const&>(*turbine::rom(turbineCtx));
-		}
-
 };
 
 void safeDelete(Context *ctx) noexcept {
@@ -81,7 +76,7 @@ ox::Error loadBgPalette(
 	if (palette.pages.empty()) {
 		return {};
 	}
-	auto const paletteMem = MEM_BG_PALETTE + palBank * 16;
+	auto const paletteMem = ox::Span{MEM_BG_PALETTE} + palBank * 16;
 	for (auto i = 0u; i < colorCnt(palette, page); ++i) {
 		paletteMem[i] = color(palette, page, i);
 	}
@@ -95,9 +90,8 @@ ox::Error loadSpritePalette(
 	if (palette.pages.empty()) {
 		return {};
 	}
-	auto const paletteMem = MEM_SPRITE_PALETTE;
 	for (auto i = 0u; i < colorCnt(palette, page); ++i) {
-		paletteMem[i] = color(palette, page, i);
+		MEM_SPRITE_PALETTE[i] = color(palette, page, i);
 	}
 	return {};
 }
@@ -175,8 +169,8 @@ ox::Error loadBgTileSheet(
 		unsigned const cbb,
 		CompactTileSheet const &ts,
 		ox::Optional<unsigned> const &paletteBank) noexcept {
-	auto const cnt = (ts.pixels.size() * PixelsPerTile) / (1 + (ts.bpp == 4));
-	for (size_t i = 0; i < cnt; ++i) {
+	auto const cnt = ts.pixels.size() >> (ts.bpp == 4);
+	for (size_t i{}; i < cnt; ++i) {
 		auto const srcIdx = i * 2;
 		auto const p1 = static_cast<uint16_t>(ts.pixels[srcIdx]);
 		auto const p2 = static_cast<uint16_t>(ts.pixels[srcIdx + 1]);
@@ -224,10 +218,11 @@ ox::Error loadSpriteTileSheet(
 		Context &ctx,
 		CompactTileSheet const &ts,
 		bool const loadDefaultPalette) noexcept {
-	for (size_t i = 0; i < ts.pixels.size(); i += 2) {
-		uint16_t v = ts.pixels[i];
-		v |= static_cast<uint16_t>(ts.pixels[i + 1] << 8);
-		MEM_SPRITE_TILES[i] = v;
+	for (size_t i{}; i < ts.pixels.size(); i += 2) {
+		MEM_SPRITE_TILES[i >> 1] =
+			static_cast<uint16_t>(
+				ts.pixels[i] |
+				(static_cast<uint16_t>(ts.pixels[i + 1]) << 8));
 	}
 	if (loadDefaultPalette && ts.defaultPalette) {
 		OX_RETURN_ERROR(loadSpritePalette(ctx, ts.defaultPalette));
@@ -240,7 +235,7 @@ ox::Error loadSpriteTileSheet(
 		Context &ctx,
 		TileSheetSet const &set) noexcept {
 	auto const bpp = static_cast<unsigned>(set.bpp);
-	OX_RETURN_ERROR(loadTileSheetSet(ctx, {MEM_SPRITE_TILES, 32 * ox::units::KB}, set));
+	OX_RETURN_ERROR(loadTileSheetSet(ctx, MEM_SPRITE_TILES, set));
 	setSpritesBpp(bpp);
 	return {};
 }
@@ -300,6 +295,14 @@ void setBgPriority(Context&, uint_t const bgIdx, uint_t const priority) noexcept
 	bgCtl = (bgCtl & 0b1111'1111'1111'1100u) | (priority & 0b11);
 }
 
+void setBgOffset(Context&, uint16_t const bg, int16_t const x, int16_t const y) noexcept {
+	teagba::setBgOffset(bg, x, y);
+}
+
+void scrollBgOffset(Context&, uint16_t const bg, int16_t const x, int16_t const y) noexcept {
+	teagba::scrollBgOffset(bg, x, y);
+}
+
 void hideSprite(Context&, unsigned const idx) noexcept {
 	//oxAssert(g_spriteUpdates < config::GbaSpriteBufferLen, "Sprite update buffer overflow");
 	teagba::addSpriteUpdate({
@@ -349,9 +352,9 @@ void panic(char const *file, int line, char const *panicMsg, ox::Error const &er
 	using namespace nostalgia::gfx;
 	// reset heap to make sure we have enough memory to allocate context data
 	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
-	auto const heapBegin = reinterpret_cast<char*>(MEM_EWRAM_BEGIN);
-	auto const heapSz = (MEM_EWRAM_END - MEM_EWRAM_BEGIN) / 2;
-	auto const heapEnd = reinterpret_cast<char*>(MEM_EWRAM_BEGIN + heapSz);
+	auto const heapBegin = reinterpret_cast<char*>(MEM_EWRAM.data());
+	auto const heapSz = MEM_EWRAM.size() / 2;
+	auto const heapEnd = reinterpret_cast<char*>(MEM_EWRAM.data() + heapSz);
 	ox::heapmgr::initHeap(heapBegin, heapEnd);
 	OX_ALLOW_UNSAFE_BUFFERS_END
 	auto tctx = turbine::init(keel::loadRomFs("").unwrap(), "Nostalgia").unwrap();

deps/nostalgia/src/nostalgia/modules/gfx/src/gfx-opengl.cpp

@@ -453,7 +453,7 @@ static void drawBackgrounds(
 	}
 }
 
-static void drawSprites(Context &ctx, ox::Size const&renderSz) noexcept {
+static void drawSprites(Context &ctx, ox::Size const &renderSz) noexcept {
 	glUseProgram(ctx.spriteShader);
 	auto &sb = ctx.spriteBlocks;
 	auto const uniformXScale = glGetUniformLocation(ctx.bgShader, "vXScale");
@@ -481,7 +481,7 @@ static void loadPalette(
 		ox::Array<GLfloat, 1024> &palette,
 		size_t const palOffset,
 		GLuint const shaderPgrm,
-		CompactPalette const&pal,
+		CompactPalette const &pal,
 		size_t const page = 0) noexcept {
 	static constexpr std::size_t ColorCnt = 256;
 	for (auto i = palOffset; auto const c : pal.pages[page]) {
@@ -500,7 +500,7 @@ static void loadPalette(
 static void setSprite(
 		Context &ctx,
 		uint_t const idx,
-		Sprite const&s) noexcept {
+		Sprite const &s) noexcept {
 	// Tonc Table 8.4
 	struct Sz { uint_t x{}, y{}; };
 	static constexpr ox::Array<Sz, 12> dimensions{
@@ -574,7 +574,7 @@ static void setSprite(
 
 }
 
-ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const&params) noexcept {
+ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const &params) noexcept {
 	auto ctx = ox::make_unique<Context>(tctx, params);
 	auto const bgVshad = ox::sfmt(renderer::bgvshadTmpl, gl::GlslVersion);
 	auto const bgFshad = ox::sfmt(renderer::bgfshadTmpl, gl::GlslVersion);
@@ -604,7 +604,7 @@ struct TileSheetData {
 };
 
 static ox::Result<TileSheetData> normalizeTileSheet
-		(CompactTileSheet const&ts) noexcept {
+		(CompactTileSheet const &ts) noexcept {
 	const uint_t bytesPerTile = ts.bpp == 8 ? PixelsPerTile : PixelsPerTile / 2;
 	auto const tiles = ts.pixels.size() / bytesPerTile;
 	constexpr int width = 8;
@@ -632,7 +632,7 @@ static ox::Result<TileSheetData> normalizeTileSheet
 ox::Error loadBgPalette(
 		Context &ctx,
 		size_t const palBank,
-		CompactPalette const&palette,
+		CompactPalette const &palette,
 		size_t const page) noexcept {
 	renderer::loadPalette(ctx.bgPalette, palBank * 16 * 4, ctx.bgShader, palette, page);
 	return {};
@@ -640,7 +640,7 @@ ox::Error loadBgPalette(
 
 ox::Error loadSpritePalette(
 		Context &ctx,
-		CompactPalette const&palette,
+		CompactPalette const &palette,
 		size_t const page) noexcept {
 	ox::Array<GLfloat, 1024> pal;
 	renderer::loadPalette(pal, 0, ctx.spriteShader, palette, page);
@@ -649,14 +649,14 @@ ox::Error loadSpritePalette(
 
 static ox::Result<TileSheetData> buildSetTsd(
 		Context const &ctx,
-		TileSheetSet const&set) noexcept {
+		TileSheetSet const &set) noexcept {
 	auto &kctx = keelCtx(ctx.turbineCtx);
 	TileSheetData setTsd;
 	setTsd.width = TileWidth;
-	for (auto const&entry : set.entries) {
+	for (auto const &entry : set.entries) {
 		OX_REQUIRE(tilesheet, readObj<CompactTileSheet>(kctx, entry.tilesheet));
 		OX_REQUIRE(tsd, normalizeTileSheet(*tilesheet));
-		for (auto const&s : entry.sections) {
+		for (auto const &s : entry.sections) {
 			auto const size = s.tiles * PixelsPerTile;
 			for (auto i = 0; i < size; ++i) {
 				auto const srcIdx = static_cast<size_t>(i) + static_cast<size_t>(s.begin * PixelsPerTile);
@@ -669,7 +669,7 @@ static ox::Result<TileSheetData> buildSetTsd(
 }
 
 static void copyPixels(
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		ox::Span<uint32_t> const dst,
 		size_t const srcPxIdx,
 		size_t const pxlCnt) noexcept {
@@ -704,7 +704,7 @@ void clearCbbs(Context &ctx) noexcept {
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned const cbb,
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		size_t const dstTileIdx,
 		size_t const srcTileIdx,
 		size_t const tileCnt) noexcept {
@@ -728,8 +728,8 @@ ox::Error loadBgTileSheet(
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		uint_t const cbb,
-		CompactTileSheet const&ts,
-		ox::Optional<unsigned> const&paletteBank) noexcept {
+		CompactTileSheet const &ts,
+		ox::Optional<unsigned> const &paletteBank) noexcept {
 	auto const bytesPerTile = static_cast<uint64_t>(PixelsPerTile / (1 + (ts.bpp == 4)));
 	auto const tiles = ts.pixels.size() / bytesPerTile;
 	OX_RETURN_ERROR(loadBgTileSheet(ctx, cbb, ts, 0, 0, tiles));
@@ -742,7 +742,7 @@ ox::Error loadBgTileSheet(
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned const cbb,
-		TileSheetSet const&set) noexcept {
+		TileSheetSet const &set) noexcept {
 	OX_REQUIRE(setTsd, buildSetTsd(ctx, set));
 	ctx.cbbs[cbb].tex = renderer::createTexture(setTsd.width, setTsd.height, setTsd.pixels.data());
 	return {};
@@ -750,7 +750,7 @@ ox::Error loadBgTileSheet(
 
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
-		CompactTileSheet const&ts,
+		CompactTileSheet const &ts,
 		bool const loadDefaultPalette) noexcept {
 	OX_REQUIRE(tsd, normalizeTileSheet(ts));
 	oxTracef("nostalgia.gfx.gl", "loadSpriteTexture: { w: {}, h: {} }", tsd.width, tsd.height);
@@ -763,7 +763,7 @@ ox::Error loadSpriteTileSheet(
 
 ox::Error loadSpriteTileSheet(
 		Context &ctx,
-		TileSheetSet const&set) noexcept {
+		TileSheetSet const &set) noexcept {
 	OX_REQUIRE(setTsd, buildSetTsd(ctx, set));
 	ctx.spriteBlocks.tex = renderer::createTexture(setTsd.width, setTsd.height, setTsd.pixels.data());
 	return {};
@@ -774,7 +774,7 @@ void setBgTile(
 		uint_t const bgIdx,
 		int const column,
 		int const row,
-		BgTile const&tile) noexcept {
+		BgTile const &tile) noexcept {
 	oxTracef(
 			"nostalgia.gfx.setBgTile",
 			"bgIdx: {}, column: {}, row: {}, tile: {}, palBank: {}",
@@ -853,7 +853,7 @@ void showSprite(Context &ctx, uint_t const idx) noexcept {
 	renderer::setSprite(ctx, idx, s);
 }
 
-void setSprite(Context &ctx, uint_t const idx, Sprite const&sprite) noexcept {
+void setSprite(Context &ctx, uint_t const idx, Sprite const &sprite) noexcept {
 	auto &s = ctx.spriteStates[idx];
 	s = sprite;
 	renderer::setSprite(ctx, idx, s);
@@ -869,7 +869,7 @@ ox::Size drawSize(int const scale) noexcept {
 	return {240 * scale, 160 * scale};
 }
 
-void draw(Context &ctx, ox::Size const&renderSz) noexcept {
+void draw(Context &ctx, ox::Size const &renderSz) noexcept {
 	glViewport(0, 0, renderSz.width, renderSz.height);
 	glEnable(GL_DEPTH_TEST);
 	glEnable(GL_BLEND);

deps/nostalgia/src/nostalgia/modules/gfx/src/gfx.cpp

@@ -10,11 +10,11 @@ namespace nostalgia::gfx {
 constexpr auto GbaTileColumns = 32;
 constexpr auto GbaTileRows = 32;
 
-int tileColumns(Context&) noexcept {
+int tileColumns(Context const&) noexcept {
 	return GbaTileColumns;
 }
 
-int tileRows(Context&) noexcept {
+int tileRows(Context const&) noexcept {
 	return GbaTileRows;
 }
 
@@ -249,7 +249,7 @@ void setBgTile(
 }
 
 ox::Error initConsole(Context &ctx) noexcept {
-	constexpr ox::FileAddress TilesheetAddr = ox::StringLiteral("/TileSheets/Charset.ng");
+	constexpr ox::FileAddress TilesheetAddr = ox::StringLiteral("/TileSheets/Charset.nts");
 	constexpr ox::FileAddress PaletteAddr = ox::StringLiteral("/Palettes/Charset.npal");
 	setBgStatus(ctx, 0b0001);
 	setBgCbb(ctx, 0, 0);

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/CMakeLists.txt

@@ -26,3 +26,4 @@ install(
 
 add_subdirectory(paletteeditor)
 add_subdirectory(tilesheeteditor)
+add_subdirectory(subcommands)

deps/nostalgia/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);
 }

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/studiomodule.cpp

@@ -8,10 +8,25 @@
 
 #include "paletteeditor/paletteeditor-imgui.hpp"
 #include "tilesheeteditor/tilesheeteditor-imgui.hpp"
+#include "subcommands/export-tilesheet/export-tilesheet.hpp"
 
 namespace nostalgia::gfx {
 
-static class: public studio::Module {
+static struct: studio::Module {
+
+	ox::String id() const noexcept final {
+		return ox::String{"net.drinkingtea.nostalgia.gfx"};
+	}
+
+	ox::Vector<studio::Command> commands() const final {
+		return {
+			{
+				"export-tilesheet",
+				cmdExportTilesheet,
+			}
+		};
+	}
+
 	ox::Vector<studio::EditorMaker> editors(studio::Context &ctx) const noexcept final {
 		return {
 			studio::editorMaker<TileSheetEditorImGui>(ctx, {FileExt_ng, FileExt_nts}),
@@ -28,6 +43,7 @@ static class: public studio::Module {
 		}, ox::ClawFormat::Organic));
 		return out;
 	}
+
 } const mod;
 
 studio::Module const *studioModule() noexcept {

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/CMakeLists.txt

@@ -0,0 +1,10 @@
+
+target_sources(
+	NostalgiaGfx-Studio PRIVATE
+        export-tilesheet/export-tilesheet.cpp
+)
+
+target_link_libraries(
+	NostalgiaGfx-Studio PUBLIC
+		OxClArgs
+)

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/export-tilesheet/export-tilesheet.cpp

@@ -0,0 +1,161 @@
+/*
+ * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#include <lodepng.h>
+
+#include <ox/clargs/clargs.hpp>
+#include <ox/std/trace.hpp>
+
+#include <studio/project.hpp>
+
+#include <nostalgia/gfx/palette.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
+
+#include "export-tilesheet.hpp"
+
+#include "nostalgia/gfx/tilesheet.hpp"
+#include "studio/context.hpp"
+
+
+namespace nostalgia::gfx {
+
+static ox::Vector<uint32_t> normalizePixelSizes(
+		ox::Vector<uint8_t> const &inPixels) noexcept {
+	ox::Vector<uint32_t> outPixels;
+	outPixels.reserve(inPixels.size());
+	outPixels.resize(inPixels.size());
+	for (size_t i{}; i < inPixels.size(); ++i) {
+		outPixels[i] = inPixels[i];
+	}
+	return outPixels;
+}
+
+static ox::Vector<uint32_t> normalizePixelArrangement(
+		ox::Vector<uint32_t> const &inPixels,
+		int const cols,
+		int const scale) {
+	auto const scalePt = ox::Point{scale, scale};
+	auto const width = cols * TileWidth;
+	auto const height = static_cast<int>(inPixels.size()) / width;
+	auto const dstWidth = width * scale;
+	ox::Vector<uint32_t> outPixels(static_cast<size_t>((width * scale) * (height * scale)));
+	for (size_t dstIdx{}; dstIdx < outPixels.size(); ++dstIdx) {
+		auto const dstPt = ox::Point{
+			static_cast<int>(dstIdx) % dstWidth,
+			static_cast<int>(dstIdx) / dstWidth};
+		auto const srcPt = dstPt / scalePt;
+		auto const srcIdx = ptToIdx(srcPt, cols);
+		outPixels[dstIdx] = inPixels[srcIdx];
+	}
+	return outPixels;
+}
+
+static ox::Error toPngFile(
+		ox::CStringViewCR path,
+		ox::Vector<uint32_t> &&pixels,
+		Palette const &pal,
+		size_t const page,
+		unsigned const width,
+		unsigned const height) noexcept {
+	for (auto &c : pixels) {
+		c = color32(color(pal, page, c)) | static_cast<Color32>(0XFF << 24);
+	}
+	constexpr auto fmt = LCT_RGBA;
+	return ox::Error(static_cast<ox::ErrorCode>(
+			lodepng_encode_file(
+					path.c_str(),
+					reinterpret_cast<uint8_t const*>(pixels.data()),
+					width,
+					height,
+					fmt,
+					8)));
+}
+
+ox::Error exportSubsheetToPng(
+	TileSheet::SubSheet const &s,
+	Palette const &pal,
+	size_t const palPage,
+	ox::CStringViewCR dstPath,
+	int const scale) noexcept {
+	// subsheet to png
+	auto const width = s.columns * TileWidth;
+	auto const height = s.rows * TileHeight;
+	auto const err = toPngFile(
+			dstPath,
+			normalizePixelArrangement(
+				normalizePixelSizes(s.pixels),
+				s.columns,
+				scale),
+			pal,
+			palPage,
+			static_cast<unsigned>(width * scale),
+			static_cast<unsigned>(height * scale));
+	if (err) {
+		oxErrorf("TileSheet export failed: {}", toStr(err));
+		return ox::Error{7, "TileSheet export failed"};
+	}
+	return {};
+}
+
+ox::Error exportSubsheetToPng(
+	TileSheet const &src,
+	Palette const &pal,
+	ox::StringViewCR subsheetPath,
+	size_t const palPage,
+	ox::CStringViewCR dstPath,
+	int const scale) noexcept {
+	// subsheet to png
+	auto const [s, ssErr] = getSubSheet(
+		ox::split(subsheetPath, '.'), src);
+	if (ssErr) {
+		return ox::Error{6, "failed to find SubSheet"};
+	}
+	return exportSubsheetToPng(
+		*s,
+		pal,
+		palPage,
+		dstPath,
+		scale);
+}
+
+ox::Error cmdExportTilesheet(studio::Project &project, ox::SpanView<ox::CString> const args) noexcept {
+	// parse args
+	ox::ClArgs const clargs{args};
+	bool showUsage = true;
+	OX_DEFER [&showUsage] {
+		if (showUsage) {
+			oxErr("usage: export-tilesheet "
+				"-src-path <path> "
+				"-dst-path <path> "
+				"[-pal-path <path>] "
+				"[-subsheet-path <path>] "
+				"[-scale <int>]\n");
+		}
+	};
+	if (args.empty()) {
+		return {};
+	}
+	OX_REQUIRE(srcPath, clargs.getString("src-path").transformError(1, "no src path specified"));
+	OX_REQUIRE(dstPath, clargs.getString("dst-path").transformError(2, "no dst path specified"));
+	auto const palPath = clargs.getString("pal-path", "");
+	auto const subsheetPath = clargs.getString("subsheet-path").or_value(ox::String{"Root"});
+	auto const palPage = static_cast<size_t>(clargs.getInt("pal-page", 0));
+	auto const scale = clargs.getInt("scale", 1);
+	showUsage = false;
+	// load objects
+	auto &kctx = project.kctx();
+	OX_REQUIRE(ts, keel::readObj<TileSheet>(kctx, srcPath).transformError(4, "could not load TileSheet"));
+	OX_REQUIRE(pal, keel::readObj<Palette>(kctx, palPath.size() ? palPath : ts->defaultPalette)
+		.transformError(5, "could not load Palette"));
+	// export to the destination file
+	return exportSubsheetToPng(
+		*ts,
+		*pal,
+		subsheetPath,
+		palPage,
+		dstPath,
+		scale);
+}
+
+}

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/export-tilesheet/export-tilesheet.hpp

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#pragma once
+
+#include <ox/std/error.hpp>
+#include <ox/std/span.hpp>
+#include <ox/std/stringview.hpp>
+
+#include <studio/project.hpp>
+
+#include <nostalgia/gfx/palette.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
+
+namespace nostalgia::gfx {
+
+ox::Error exportSubsheetToPng(
+	TileSheet::SubSheet const &s,
+	Palette const &pal,
+	size_t palPage,
+	ox::CStringViewCR dstPath,
+	int scale) noexcept;
+
+ox::Error exportSubsheetToPng(
+	TileSheet const &src,
+	Palette const &pal,
+	ox::StringViewCR subsheetPath,
+	size_t palPage,
+	ox::CStringViewCR dstPath,
+	int scale) noexcept;
+
+ox::Error cmdExportTilesheet(studio::Project& project, ox::SpanView<ox::CString> args) noexcept;
+
+}

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditor-imgui.cpp

@@ -3,7 +3,6 @@
  */
 
 #include <imgui.h>
-#include <lodepng.h>
 
 #include <ox/std/point.hpp>
 #include <keel/media.hpp>
@@ -11,6 +10,7 @@
 
 #include <nostalgia/gfx/studio.hpp>
 
+#include "../subcommands/export-tilesheet/export-tilesheet.hpp"
 #include "tilesheeteditor-imgui.hpp"
 
 namespace nostalgia::gfx {
@@ -37,58 +37,6 @@ OX_MODEL_BEGIN(TileSheetEditorConfig)
 	OX_MODEL_FIELD_RENAME(activeSubsheet, active_subsheet)
 OX_MODEL_END()
 
-static ox::Vector<uint32_t> normalizePixelSizes(
-		ox::Vector<uint8_t> const &inPixels) noexcept {
-	ox::Vector<uint32_t> outPixels;
-	outPixels.reserve(inPixels.size());
-	outPixels.resize(inPixels.size());
-	for (std::size_t i = 0; i < inPixels.size(); ++i) {
-		outPixels[i] = inPixels[i];
-	}
-	return outPixels;
-}
-
-static ox::Vector<uint32_t> normalizePixelArrangement(
-		ox::Vector<uint32_t> const &inPixels,
-		int const cols,
-		int const scale) {
-	auto const scalePt = ox::Point{scale, scale};
-	auto const width = cols * TileWidth;
-	auto const height = static_cast<int>(inPixels.size()) / width;
-	auto const dstWidth = width * scale;
-	ox::Vector<uint32_t> outPixels(static_cast<size_t>((width * scale) * (height * scale)));
-	for (std::size_t dstIdx = 0; dstIdx < outPixels.size(); ++dstIdx) {
-		auto const dstPt = ox::Point{
-			static_cast<int>(dstIdx) % dstWidth,
-			static_cast<int>(dstIdx) / dstWidth};
-		auto const srcPt = dstPt / scalePt;
-		auto const srcIdx = ptToIdx(srcPt, cols);
-		outPixels[dstIdx] = inPixels[srcIdx];
-	}
-	return outPixels;
-}
-
-static ox::Error toPngFile(
-		ox::CStringViewCR path,
-		ox::Vector<uint32_t> &&pixels,
-		Palette const &pal,
-		size_t const page,
-		unsigned const width,
-		unsigned const height) noexcept {
-	for (auto &c : pixels) {
-		c = color32(color(pal, page, c)) | static_cast<Color32>(0XFF << 24);
-	}
-	constexpr auto fmt = LCT_RGBA;
-	return ox::Error(static_cast<ox::ErrorCode>(
-			lodepng_encode_file(
-					path.c_str(),
-					reinterpret_cast<uint8_t const*>(pixels.data()),
-					width,
-					height,
-					fmt,
-					8)));
-}
-
 TileSheetEditorImGui::TileSheetEditorImGui(studio::Context &sctx, ox::StringParam path):
 		Editor{sctx, std::move(path)},
 		m_sctx{sctx},
@@ -421,21 +369,7 @@ ox::Error TileSheetEditorImGui::exportSubsheetToPng(int const scale) const noexc
 	// subsheet to png
 	auto const &s = m_model.activeSubSheet();
 	auto const &pal = m_model.pal();
-	auto const width = s.columns * TileWidth;
-	auto const height = s.rows * TileHeight;
-	auto pixels = normalizePixelSizes(s.pixels);
-	pixels = normalizePixelArrangement(pixels, s.columns, scale);
-	auto const err = toPngFile(
-			path,
-			std::move(pixels),
-			pal,
-			m_model.palettePage(),
-			static_cast<unsigned>(width * scale),
-			static_cast<unsigned>(height * scale));
-	if (err) {
-		oxErrorf("TileSheet export failed: {}", toStr(err));
-	}
-	return err;
+	return gfx::exportSubsheetToPng(s, pal, m_model.palettePage(), path, scale);
 }
 
 void TileSheetEditorImGui::drawTileSheet(ox::Vec2 const &fbSize) noexcept {

deps/nostalgia/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditor-imgui.hpp

@@ -57,7 +57,6 @@ class TileSheetEditorImGui: public studio::Editor {
 		ox::Vec2 m_prevMouseDownPos;
 		TileSheetTool m_tool = TileSheetTool::Draw;
 		bool m_palPathFocused{};
-		ox::Vector<ox::UPtr<studio::UndoCommand>, 1> m_deferredCmds;
 
 	public:
 		TileSheetEditorImGui(studio::Context &sctx, ox::StringParam path);

deps/nostalgia/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} {

deps/nostalgia/src/nostalgia/modules/gfx/src/tilesheet.cpp

@@ -211,6 +211,47 @@ ox::Result<TileSheet::SubSheetIdx> getSubSheetIdx(TileSheet const &ts, SubSheetI
 	return out;
 }
 
+
+template<typename SubSheet>
+static ox::Result<SubSheet*> getSubSheet(
+		ox::SpanView<ox::StringView> const &idx,
+		std::size_t const idxIt,
+		SubSheet &pSubSheet) noexcept {
+	if (idxIt == idx.size()) {
+		return &pSubSheet;
+	}
+	auto const &currentIdx = idx[idxIt];
+	auto const next = ox::find_if(
+		pSubSheet.subsheets.begin(),
+		pSubSheet.subsheets.end(),
+		[&currentIdx](TileSheet::SubSheet const &ss) {
+			return ss.name == currentIdx;
+		});
+	if (next == pSubSheet.subsheets.end()) {
+		return ox::Error{1, "SubSheet not found"};
+	}
+	return getSubSheet(idx, idxIt + 1, *next);
+}
+
+ox::Result<TileSheet::SubSheet const*> getSubSheet(
+		ox::SpanView<ox::StringView> const &idx,
+		TileSheet const &ts) noexcept {
+	if (!idx.empty() && idx[0] == ts.subsheet.name) {
+		return getSubSheet<TileSheet::SubSheet const>(idx, 1, ts.subsheet);
+	}
+	return ox::Error{1, "SubSheet not found"};
+}
+
+ox::Result<TileSheet::SubSheet*> getSubSheet(
+		ox::SpanView<ox::StringView> const &idx,
+		TileSheet &ts) noexcept {
+	if (!idx.empty() && idx[0] == ts.subsheet.name) {
+		return getSubSheet<TileSheet::SubSheet>(idx, 1, ts.subsheet);
+	}
+	return ox::Error{1, "SubSheet not found"};
+}
+
+
 #if defined(__GNUC__) && __GNUC__ >= 13
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdangling-reference"

deps/nostalgia/src/nostalgia/modules/sound/src/studio/studiomodule.cpp

@@ -10,6 +10,10 @@ namespace nostalgia::sound {
 
 static struct: studio::Module {
 
+	ox::String id() const noexcept final {
+		return ox::String{"net.drinkingtea.nostalgia.sound"};
+	}
+
 	ox::Vector<studio::EditorMaker> editors(studio::Context&) const noexcept final {
 		return {
 		};
@@ -22,7 +26,7 @@ static struct: studio::Module {
 
 } const mod;
 
-const studio::Module *studioModule() noexcept {
+studio::Module const *studioModule() noexcept {
 	return &mod;
 }
 

deps/nostalgia/src/nostalgia/player/app.cpp

@@ -38,7 +38,7 @@ static int testUpdateHandler(turbine::Context &tctx) noexcept {
 	spriteX += xmod;
 	spriteY += ymod;
 	constexpr ox::StringView sprites = "nostalgia";
-	for (unsigned i = 0; i < sprites.len(); ++i) {
+	for (unsigned i = 0; i < sprites.size(); ++i) {
 		auto const c = static_cast<unsigned>(sprites[i] - ('a' - 1));
 		gfx::setSprite(cctx, i, {
 			.enabled = true,

deps/nostalgia/src/olympic/CMakeLists.txt

@@ -19,6 +19,9 @@ else()
 endif()
 
 add_subdirectory(applib)
+#if(NOT APPLE)
+#    add_subdirectory(hull)
+#endif()
 add_subdirectory(keel)
 add_subdirectory(turbine)
 if(${OLYMPIC_BUILD_STUDIO})

deps/nostalgia/src/olympic/applib/CMakeLists.txt

@@ -3,6 +3,11 @@ add_library(
     OlympicApplib INTERFACE
 )
 
+target_link_libraries(
+    OlympicApplib INTERFACE
+        OxLogConn
+)
+
 target_sources(
     OlympicApplib INTERFACE
         applib.cpp

deps/nostalgia/src/olympic/hull/CMakeLists.txt

@@ -0,0 +1,12 @@
+
+add_library(Hull)
+target_sources(
+    Hull PUBLIC
+        FILE_SET CXX_MODULES FILES
+            hull.cpp
+)
+
+target_link_libraries(
+	Hull PUBLIC
+		OxStd
+)

deps/nostalgia/src/olympic/hull/hull.cpp

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+module;
+
+#include <ox/std/string.hpp>
+
+export module hull;
+
+namespace hull {
+
+export
+template<typename Str = ox::String, size_t SmallVecSz = 0>
+constexpr ox::Result<ox::Vector<Str, SmallVecSz>> parseCmd(ox::StringViewCR cmd) noexcept
+	requires(ox::is_same_v<Str, ox::String> || ox::is_same_v<Str, ox::StringView>) {
+	auto const tokens = split(cmd, ' ');
+	ox::Vector<Str, SmallVecSz> args;
+	char waitingFor{};
+	auto const handleString = [&waitingFor, &args](
+		ox::StringViewCR token,
+		char const delimiter) {
+		if (endsWith(token, delimiter)) {
+			args.emplace_back(substr(token, 1, token.size() - 1));
+		} else {
+			waitingFor = delimiter;
+			args.emplace_back(substr(token, 1));
+		}
+	};
+	for (auto const &token : tokens) {
+		if (waitingFor) {
+			if (endsWith(token, waitingFor)) {
+				waitingFor = 0;
+			}
+			auto &tgt = *args.back().value;
+			if constexpr (ox::is_same_v<Str, ox::String>) {
+				tgt += substr(token, 0, token.size() - 1);
+			} else {
+				tgt = {tgt.data(), tgt.size() + token.size() - 1};
+			}
+		} else if (beginsWith(token, '"')) {
+			handleString(token, '"');
+		} else if (beginsWith(token, '\'')) {
+			handleString(token, '\'');
+		} else {
+			args.emplace_back(token);
+		}
+	}
+	if (waitingFor) {
+		return ox::Error{1, "unterminated string"};
+	}
+	return args;
+}
+
+template<typename Str = ox::String>
+[[nodiscard]]
+static constexpr bool testParse(ox::StringViewCR cmd, std::initializer_list<ox::StringView> const &expected) noexcept {
+	auto const [args, err] = parseCmd<Str>(cmd);
+	static constexpr auto equals = [](auto const &a, auto const &b) {
+		if (a.size() != b.size()) {
+			return false;
+		}
+		for (auto i = 0u; i < a.size(); ++i) {
+			if (a[i] != b[i]) {
+				return false;
+			}
+		}
+		return true;
+	};
+	return !err && equals(args, ox::Vector(expected));
+}
+
+static_assert(testParse("echo asdf", {"echo", "asdf"}));
+static_assert(testParse<ox::String>("echo asdf", {"echo", "asdf"}));
+
+static_assert(testParse("echo \"asdf\"", {"echo", "asdf"}));
+static_assert(testParse<ox::String>("echo \"asdf\"", {"echo", "asdf"}));
+
+static_assert(testParse("echo 'asdf'", {"echo", "asdf"}));
+static_assert(testParse<ox::String>("echo 'asdf'", {"echo", "asdf"}));
+
+static_assert(testParse("echo 'asdf' aoue", {"echo", "asdf", "aoue"}));
+static_assert(testParse<ox::String>("echo 'asdf' aoue", {"echo", "asdf", "aoue"}));
+
+export class Prompt {
+
+	private:
+		ox::String m_cmd;
+		ox::String m_workingDir{"/"};
+		ox::Vector<ox::String> m_prevCmds;
+
+	public:
+
+	private:
+
+};
+
+}

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

@@ -13,11 +13,11 @@ namespace keel {
 
 constexpr auto K1HdrSz = 40;
 
-ox::Result<ox::UUID> readUuidHeader(ox::BufferView buff) noexcept;
+ox::Result<ox::UUID> readUuidHeader(ox::BufferView const &buff) noexcept;
 
 ox::Result<ox::UUID> regenerateUuidHeader(ox::Buffer &buff) noexcept;
 
-ox::Error writeUuidHeader(ox::Writer_c auto &writer, ox::UUID const&uuid) noexcept {
+ox::Error writeUuidHeader(ox::Writer_c auto &writer, ox::UUID const &uuid) noexcept {
 	OX_RETURN_ERROR(write(writer, "K1;"));
 	OX_RETURN_ERROR(uuid.toString(writer));
 	return writer.put(';');
@@ -25,26 +25,25 @@ 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;
 }
 
-ox::Result<ox::ModelObject> readAsset(ox::TypeStore &ts, ox::BufferView buff) noexcept;
+ox::Result<ox::ModelObject> readAsset(ox::TypeStore &ts, ox::BufferView const &buff) noexcept;
 
 struct AssetHdr {
 	ox::UUID uuid;
 	ox::ClawHeader clawHdr;
 };
 
-ox::Result<ox::StringView> readAssetTypeId(ox::BufferView buff) noexcept;
+ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const &buff) noexcept;
 
-ox::Result<AssetHdr> readAssetHeader(ox::BufferView buff) noexcept;
+ox::Result<AssetHdr> readAssetHeader(ox::BufferView const &buff) noexcept;
 
 }

deps/nostalgia/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();
 	}
 }
 
@@ -348,23 +351,23 @@ class AssetManager {
 template<typename T>
 class AssetRef {
 	private:
-		T const* m_obj = nullptr;
+		T const *m_obj = nullptr;
 
 	public:
 		constexpr AssetRef() noexcept = default;
 
-		explicit constexpr AssetRef(T const*obj) noexcept: m_obj(obj) {
+		explicit constexpr AssetRef(T const *obj) noexcept: m_obj(obj) {
 		}
 
-		constexpr T const*get() const noexcept {
+		constexpr T const *get() const noexcept {
 			return m_obj;
 		}
 
-		constexpr T const&operator*() const & noexcept {
+		constexpr T const &operator*() const & noexcept {
 			return *m_obj;
 		}
 
-		constexpr T const*operator->() const noexcept {
+		constexpr T const *operator->() const noexcept {
 			return m_obj;
 		}
 

deps/nostalgia/src/olympic/keel/include/keel/context.hpp

@@ -35,7 +35,7 @@ class Context {
 };
 
 constexpr ox::SpanView<PackTransform> packTransforms(
-		[[maybe_unused]] Context const&ctx) noexcept {
+		[[maybe_unused]] Context const &ctx) noexcept {
 #ifndef OX_BARE_METAL
 	return ctx.packTransforms;
 #else
@@ -44,7 +44,7 @@ constexpr ox::SpanView<PackTransform> packTransforms(
 }
 
 constexpr ox::SpanView<Converter> converters(
-		[[maybe_unused]] Context const&ctx) noexcept {
+		[[maybe_unused]] Context const &ctx) noexcept {
 #ifndef OX_BARE_METAL
 	return ctx.converters;
 #else

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

@@ -29,22 +29,22 @@ OX_MODEL_BEGIN(PreloadPtr)
 	OX_MODEL_FIELD(preloadAddr)
 OX_MODEL_END()
 
-ox::Result<std::size_t> getPreloadAddr(Context &ctx, ox::FileAddress const&addr) noexcept;
+ox::Result<std::size_t> getPreloadAddr(Context &ctx, ox::FileAddress const &addr) noexcept;
 ox::Result<std::size_t> getPreloadAddr(Context &ctx, ox::StringViewCR path) noexcept;
 
 
-void createUuidMapping(Context &ctx, ox::StringViewCR filePath, ox::UUID const&uuid) noexcept;
+void createUuidMapping(Context &ctx, ox::StringViewCR filePath, ox::UUID const &uuid) noexcept;
 
 // map of UUIDs to paths
 using DuplicateSet = ox::HashMap<ox::UUID, ox::Vector<ox::String>>;
 
 ox::Result<ox::UUID> pathToUuid(Context &ctx, ox::StringViewCR path) noexcept;
 
-ox::Result<ox::UUID> getUuid(Context &ctx, ox::FileAddress const&fileAddr) noexcept;
+ox::Result<ox::UUID> getUuid(Context &ctx, ox::FileAddress const &fileAddr) noexcept;
 
 ox::Result<ox::UUID> getUuid(Context &ctx, ox::StringViewCR path) noexcept;
 
-ox::Result<ox::CStringView> getPath(Context &ctx, ox::FileAddress const&fileAddr) noexcept;
+ox::Result<ox::CStringView> getPath(Context &ctx, ox::FileAddress const &fileAddr) noexcept;
 
 ox::Result<ox::CStringView> getPath(Context &ctx, ox::CStringViewCR fileId) noexcept;
 
@@ -58,7 +58,7 @@ ox::Result<ox::CStringView> uuidUrlToPath(Context &ctx, ox::StringViewCR uuid) n
 
 ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::StringViewCR uuid) noexcept;
 
-ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::UUID const&uuid) noexcept;
+ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::UUID const &uuid) noexcept;
 
 [[nodiscard]]
 constexpr bool isUuidUrl(ox::StringViewCR path) noexcept {
@@ -147,7 +147,7 @@ template<typename T>
 ox::Result<AssetRef<T>> readObj(
 		Context &ctx,
 		ox::StringViewCR assetId,
-		[[maybe_unused]] bool forceLoad = false) noexcept {
+		[[maybe_unused]] bool const forceLoad = false) noexcept {
 #ifndef OX_BARE_METAL
 	return readObjFile<T>(ctx, assetId, forceLoad);
 #else
@@ -158,8 +158,8 @@ ox::Result<AssetRef<T>> readObj(
 template<typename T>
 ox::Result<AssetRef<T>> readObj(
 		Context &ctx,
-		ox::FileAddress const&file,
-		[[maybe_unused]] bool forceLoad = false) noexcept {
+		ox::FileAddress const &file,
+		[[maybe_unused]] bool const forceLoad = false) noexcept {
 #ifndef OX_BARE_METAL
 	OX_REQUIRE(assetId, file.getPath());
 	return readObj<T>(ctx, ox::StringView(assetId), forceLoad);
@@ -176,9 +176,9 @@ ox::Result<AssetRef<T>> readObj(
 template<typename T>
 ox::Error writeObj(
 		Context &ctx,
-		ox::FileAddress const&file,
-		T const&obj,
-		ox::ClawFormat fmt = ox::ClawFormat::Metal) noexcept {
+		ox::FileAddress const &file,
+		T const &obj,
+		ox::ClawFormat const fmt = ox::ClawFormat::Metal) noexcept {
 	OX_REQUIRE(objBuff, ox::writeClaw(obj, fmt));
 	return ctx.rom->write(file, objBuff.data(), objBuff.size());
 }

deps/nostalgia/src/olympic/keel/include/keel/module.hpp

@@ -40,6 +40,6 @@ class Module {
 void registerModule(Module const*mod) noexcept;
 
 [[nodiscard]]
-ox::Vector<keel::Module const*> const&modules() noexcept;
+ox::Vector<keel::Module const*> const &modules() noexcept;
 
 }

deps/nostalgia/src/olympic/keel/include/keel/pack.hpp

@@ -125,7 +125,7 @@ ox::Error preloadObj(
 		OX_RETURN_ERROR(err);
 		keel::PreloadPtr const p{.preloadAddr = a};
 		OX_RETURN_ERROR(ox::writeMC(p).moveTo(buff));
-		auto const&pbufSz = pl.buff().size();
+		auto const &pbufSz = pl.buff().size();
 		oxOutf("preloaded {} as a {} @ {} to {} / {}, total size: {}\n",
 			path, obj.type()->typeName, a, a + size, pbufSz - 1, pbufSz - a);
 	} else {
@@ -148,7 +148,7 @@ ox::Error preloadDir(
 	// copy
 	oxTracef("pack.preload", "path: {}", path);
 	OX_REQUIRE(fileList, romFs.ls(path));
-	for (auto const&name : fileList) {
+	for (auto const &name : fileList) {
 		auto const filePath = ox::sfmt("{}{}", path, name);
 		OX_REQUIRE(stat, romFs.stat(filePath));
 		if (stat.fileType == ox::FileType::Directory) {
@@ -169,7 +169,7 @@ ox::Error preloadDir(
 }
 
 template<typename PlatSpec>
-ox::Error appendBinary(ox::Buffer &binBuff, ox::SpanView<char> const&fsBuff, ox::Preloader<PlatSpec> &pl) noexcept {
+ox::Error appendBinary(ox::Buffer &binBuff, ox::SpanView<char> const &fsBuff, ox::Preloader<PlatSpec> &pl) noexcept {
 	constexpr auto padbin = [](ox::BufferWriter &w, unsigned factor) noexcept -> ox::Error {
 		return w.write(nullptr, factor - w.buff().size() % factor);
 	};
@@ -185,7 +185,7 @@ ox::Error appendBinary(ox::Buffer &binBuff, ox::SpanView<char> const&fsBuff, ox:
 	OX_RETURN_ERROR(padbin(w, hdrSize));
 	OX_RETURN_ERROR(w.write(preloadHdr.data(), preloadHdr.bytes()));
 	OX_RETURN_ERROR(pl.offsetPtrs(binBuff.size()));
-	auto const&plBuff = pl.buff();
+	auto const &plBuff = pl.buff();
 	OX_RETURN_ERROR(w.write(plBuff.data(), plBuff.size()));
 	return {};
 }

deps/nostalgia/src/olympic/keel/include/keel/typeconv.hpp

@@ -122,7 +122,7 @@ class BaseConverter {
 		virtual ox::Result<ox::UPtr<Wrap>> convertPtrToPtr(keel::Context &ctx, Wrap &src) const noexcept = 0;
 
 		virtual ox::Result<ox::UPtr<Wrap>> convertBuffToPtr(
-				Context &ctx, ox::BufferView const&srcBuff) const noexcept = 0;
+				Context &ctx, ox::BufferView const &srcBuff) const noexcept = 0;
 
 		[[nodiscard]]
 		constexpr bool matches(
@@ -140,7 +140,7 @@ class ConverterFunc final: public BaseConverter {
 	private:
 		template<typename SrcType, typename DstType>
 		struct ParamPack {
-			using Src = SrcType;
+			using Src = ox::remove_const_t<SrcType>;
 			using Dst = DstType;
 		};
 
@@ -187,7 +187,7 @@ class ConverterFunc final: public BaseConverter {
 		}
 
 		ox::Result<ox::UPtr<Wrap>> convertBuffToPtr(
-				Context &ctx, ox::BufferView const&srcBuff) const noexcept override {
+				Context &ctx, ox::BufferView const &srcBuff) const noexcept override {
 			OX_REQUIRE_M(src, readAsset<SrcType>(srcBuff));
 			ox::Result<ox::UPtr<Wrap>> dst{makeWrap<DstType>()};
 			OX_RETURN_ERROR(convert(ctx, src, wrapCast<DstType>(*dst.value)));
@@ -214,13 +214,13 @@ class Converter {
 		}
 		[[nodiscard]]
 		BaseConverter const &converter() const noexcept {
-			return *m_buff.data();
+			return *std::launder(m_buff.data());
 		}
 };
 
 ox::Result<ox::UPtr<Wrap>> convert(
 		Context &ctx,
-		ox::BufferView const&srcBuffer,
+		ox::BufferView const &srcBuffer,
 		ox::StringViewCR dstTypeName,
 		int dstTypeVersion) noexcept;
 
@@ -241,7 +241,7 @@ ox::Result<ox::UPtr<Wrap>> convert(
 
 ox::Result<ox::UPtr<Wrap>> convert(
 		Context &ctx,
-		auto const&src,
+		auto const &src,
 		ox::StringViewCR dstTypeName,
 		int const dstTypeVersion) noexcept {
 	auto srcCpy = src;
@@ -258,13 +258,13 @@ ox::Result<DstType> convertObjToObj(
 }
 
 template<typename DstType>
-ox::Result<DstType> convert(Context &ctx, ox::BufferView const&src) noexcept {
+ox::Result<DstType> convert(Context &ctx, ox::BufferView const &src) noexcept {
 	OX_REQUIRE(out, convert(ctx, src, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	return std::move(wrapCast<DstType>(*out));
 }
 
 template<typename DstType>
-ox::Error convert(Context &ctx, ox::BufferView const&buff, DstType &outObj) noexcept {
+ox::Error convert(Context &ctx, ox::BufferView const &buff, DstType &outObj) noexcept {
 	OX_REQUIRE(out, convert(ctx, buff, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	outObj = std::move(wrapCast<DstType>(*out));
 	return {};
@@ -279,7 +279,7 @@ ox::Error convertObjToObj(Context &ctx, auto &src, DstType &outObj) noexcept {
 
 template<typename DstType>
 ox::Result<ox::Buffer> convertBuffToBuff(
-		Context &ctx, ox::BufferView const&src, ox::ClawFormat const fmt) noexcept {
+		Context &ctx, ox::BufferView const &src, ox::ClawFormat const fmt) noexcept {
 	OX_REQUIRE(out, convert(ctx, src, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	return ox::writeClaw<DstType>(wrapCast<DstType>(*out), fmt);
 }

deps/nostalgia/src/olympic/keel/include/keel/typestore.hpp

@@ -16,7 +16,7 @@ class TypeStore: public ox::TypeStore {
 		ox::String m_descPath;
 
 	public:
-		explicit TypeStore(ox::FileSystem &fs, ox::StringView descPath) noexcept;
+		explicit TypeStore(ox::FileSystem &fs, ox::StringViewCR descPath) noexcept;
 
 	protected:
 		ox::Result<ox::UPtr<ox::DescriptorType>> loadDescriptor(ox::StringView typeId) noexcept override;

deps/nostalgia/src/olympic/keel/src/asset.cpp

@@ -6,7 +6,7 @@
 
 namespace keel {
 
-ox::Result<ox::UUID> readUuidHeader(ox::BufferView buff) noexcept {
+ox::Result<ox::UUID> readUuidHeader(ox::BufferView const &buff) noexcept {
 	if (buff.size() < K1HdrSz) [[unlikely]] {
 		return ox::Error{1, "Insufficient data to contain complete Keel header"};
 	}
@@ -27,16 +27,15 @@ ox::Result<ox::UUID> regenerateUuidHeader(ox::Buffer &buff) noexcept {
 	return id;
 }
 
-ox::Result<ox::ModelObject> readAsset(ox::TypeStore &ts, ox::BufferView buff) noexcept {
+ox::Result<ox::ModelObject> readAsset(ox::TypeStore &ts, ox::BufferView const &buff) noexcept {
 	std::size_t offset = 0;
 	if (!readUuidHeader(buff).error) {
 		offset = K1HdrSz;
 	}
-	buff += offset;
-	return ox::readClaw(ts, buff);
+	return ox::readClaw(ts, buff + offset);
 }
 
-ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const buff) noexcept {
+ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const &buff) noexcept {
 	auto const err = readUuidHeader(buff).error;
 	auto const offset = err ? 0u : K1HdrSz;
 	if (offset >= buff.size()) [[unlikely]] {
@@ -45,15 +44,14 @@ ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const buff) noexcept {
 	return ox::readClawTypeId(buff + offset);
 }
 
-ox::Result<AssetHdr> readAssetHeader(ox::BufferView buff) noexcept {
+ox::Result<AssetHdr> readAssetHeader(ox::BufferView const &buff) noexcept {
 	ox::Result<AssetHdr> out;
 	auto const err = readUuidHeader(buff).moveTo(out.value.uuid);
 	auto const offset = err ? 0u : K1HdrSz;
 	if (offset >= buff.size()) [[unlikely]] {
 		return ox::Error(1, "Buffer too small for expected data");
 	}
-	buff += offset;
-	OX_RETURN_ERROR(ox::readClawHeader(buff).moveTo(out.value.clawHdr));
+	OX_RETURN_ERROR(ox::readClawHeader(buff + offset).moveTo(out.value.clawHdr));
 	return out;
 }
 

deps/nostalgia/src/olympic/keel/src/keel.cpp

@@ -16,7 +16,7 @@ static ox::Error init(
 		setRomFs(ctx, std::move(fs), *duplicateSet) :
 		setRomFs(ctx, std::move(fs));
 #ifndef OX_BARE_METAL
-	auto const&mods = modules();
+	auto const &mods = modules();
 	for (auto &mod : mods) {
 		// register type converters
 		for (auto const c : mod->converters()) {

deps/nostalgia/src/olympic/keel/src/media.cpp

@@ -24,10 +24,10 @@ ox::Result<char*> loadRom(ox::StringViewCR path) noexcept {
 		auto buff = new char[static_cast<std::size_t>(size)];
 		file.read(buff, size);
 		return buff;
-	} catch (std::ios_base::failure const&e) {
+	} catch (std::ios_base::failure const &e) {
 		oxErrorf("Could not read ROM file due to file IO failure: {}", e.what());
 		return ox::Error(2, "Could not read ROM file");
-	} catch (std::bad_alloc const&e) {
+	} catch (std::bad_alloc const &e) {
 		oxErrorf("Could not read ROM file due to new failure: {}", e.what());
 		return ox::Error(2, "Could not allocate memory for ROM file");
 	}
@@ -42,14 +42,14 @@ static void clearUuidMap(Context &ctx) noexcept {
 	ctx.pathToUuid.clear();
 }
 
-void createUuidMapping(Context &ctx, ox::StringViewCR filePath, ox::UUID const&uuid) noexcept {
+void createUuidMapping(Context &ctx, ox::StringViewCR filePath, ox::UUID const &uuid) noexcept {
 	ctx.pathToUuid[filePath] = uuid;
 	ctx.uuidToPath[uuid.toString()] = filePath;
 }
 
 static ox::Error buildUuidMap(Context &ctx, ox::StringViewCR path, DuplicateSet *duplicates) noexcept {
 	OX_REQUIRE(files, ctx.rom->ls(path));
-	for (auto const&f : files) {
+	for (auto const &f : files) {
 		OX_REQUIRE_M(filePath, ox::join("/", ox::Array<ox::StringView, 2>{path, f}));
 		OX_REQUIRE(stat, ctx.rom->stat(filePath));
 		if (stat.fileType == ox::FileType::NormalFile) {
@@ -59,7 +59,7 @@ static ox::Error buildUuidMap(Context &ctx, ox::StringViewCR path, DuplicateSet
 			auto const [uuid, err] = readUuidHeader(buff);
 			if (!err) {
 				// check for duplication
-				if (duplicates && ctx.uuidToPath[uuid.toString()].len()) {
+				if (duplicates && ctx.uuidToPath[uuid.toString()].size()) {
 					auto &dl = (*duplicates)[uuid];
 					if (dl.empty()) {
 						dl.emplace_back(ctx.uuidToPath[uuid.toString()]);
@@ -97,7 +97,7 @@ ox::Result<ox::UUID> pathToUuid(Context &ctx, ox::StringViewCR path) noexcept {
 #endif
 }
 
-ox::Result<ox::UUID> getUuid(Context &ctx, ox::FileAddress const&fileAddr) noexcept {
+ox::Result<ox::UUID> getUuid(Context &ctx, ox::FileAddress const &fileAddr) noexcept {
 	OX_REQUIRE(path, fileAddr.getPath());
 	return getUuid(ctx, path);
 }
@@ -111,7 +111,7 @@ ox::Result<ox::UUID> getUuid(Context &ctx, ox::StringViewCR path) noexcept {
 	}
 }
 
-ox::Result<ox::CStringView> getPath(Context &ctx, ox::FileAddress const&fileAddr) noexcept {
+ox::Result<ox::CStringView> getPath(Context &ctx, ox::FileAddress const &fileAddr) noexcept {
 	OX_REQUIRE(path, fileAddr.getPath());
 	if (beginsWith(path, "uuid://")) {
 		auto const uuid = substr(path, 7);
@@ -173,7 +173,7 @@ ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::StringViewCR uuid) noex
 #endif
 }
 
-ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::UUID const&uuid) noexcept {
+ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::UUID const &uuid) noexcept {
 #ifndef OX_BARE_METAL
 	OX_REQUIRE_M(out, ctx.uuidToPath.at(uuid.toString()));
 	return ox::CStringView(*out);
@@ -240,7 +240,7 @@ ox::Result<std::size_t> getPreloadAddr(keel::Context &ctx, ox::StringViewCR path
 	return static_cast<std::size_t>(p.preloadAddr) + ctx.preloadSectionOffset;
 }
 
-ox::Result<std::size_t> getPreloadAddr(keel::Context &ctx, ox::FileAddress const&addr) noexcept {
+ox::Result<std::size_t> getPreloadAddr(keel::Context &ctx, ox::FileAddress const &addr) noexcept {
 	OX_REQUIRE(stat, ctx.rom->stat(addr));
 	OX_REQUIRE(buff, static_cast<ox::MemFS&>(*ctx.rom).directAccess(addr));
 	PreloadPtr p;
@@ -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);
 }
 

deps/nostalgia/src/olympic/keel/src/module.cpp

@@ -8,14 +8,14 @@ namespace keel {
 
 static ox::Vector<Module const*> mods;
 
-void registerModule(Module const*mod) noexcept {
+void registerModule(Module const *mod) noexcept {
 	if (mod) {
 		mods.emplace_back(mod);
 	}
 }
 
 [[nodiscard]]
-ox::Vector<Module const*> const&modules() noexcept {
+ox::Vector<Module const*> const &modules() noexcept {
 	return mods;
 }
 

deps/nostalgia/src/olympic/keel/src/pack-applib.cpp

@@ -32,7 +32,7 @@ static ox::Result<ox::Buffer> readFileBuff(ox::StringViewCR path) noexcept {
 		file.seekg(0, std::ios::beg);
 		file.read(buff.data(), static_cast<std::streamsize>(buff.size()));
 		return buff;
-	} catch (std::ios_base::failure const&e) {
+	} catch (std::ios_base::failure const &e) {
 		oxErrorf("Could not read OxFS file: {}", e.what());
 		return ox::Error(2, "Could not read OxFS file");
 	}
@@ -88,7 +88,7 @@ static ox::Error pack(
 	oxOutf("Final ROM buff size: {} bytes\n", romBuff.size());
 	OX_RETURN_ERROR(writeFileBuff(argRomBin, romBuff));
 	OX_REQUIRE(manifestJson, ox::writeOCString(manifest));
-	OX_RETURN_ERROR(writeFileBuff(argManifest, {manifestJson.data(), manifestJson.len()}));
+	OX_RETURN_ERROR(writeFileBuff(argManifest, {manifestJson.data(), manifestJson.size()}));
 	return {};
 }
 

deps/nostalgia/src/olympic/keel/src/pack.cpp

@@ -144,7 +144,7 @@ static ox::Error transformClaw(
 	// copy
 	oxTracef("pack.transformClaw", "path: {}", path);
 	OX_REQUIRE(fileList, dest.ls(path));
-	for (auto const&name : fileList) {
+	for (auto const &name : fileList) {
 		auto const filePath = ox::sfmt("{}{}", path, name);
 		OX_REQUIRE(stat, dest.stat(filePath));
 		if (stat.fileType == ox::FileType::Directory) {
@@ -171,7 +171,7 @@ static ox::Error copy(
 	auto const childLogPrefix = ox::sfmt("{}\t", logPrefix);
 	// copy
 	OX_REQUIRE(fileList, src.ls(path));
-	for (auto const&name : fileList) {
+	for (auto const &name : fileList) {
 		auto const currentFile = ox::sfmt("{}{}", path, name);
 		if (beginsWith(name, ".")) {
 			continue;
@@ -187,7 +187,7 @@ static ox::Error copy(
 			OX_DEFER [&status] {
 				oxOutf(" {}\n", status);
 			};
-			OX_REQUIRE_M(buff, src.read(currentFile));
+			OX_REQUIRE(buff, src.read(currentFile));
 			// write file to dest
 			OX_RETURN_ERROR(dest.write(currentFile, buff));
 			status = "OK";

deps/nostalgia/src/olympic/keel/src/typeconv.cpp

@@ -9,12 +9,12 @@
 namespace keel {
 
 static ox::Result<BaseConverter const*> findConverter(
-		ox::SpanView<Converter> const&converters,
+		ox::SpanView<Converter> const &converters,
 		ox::StringViewCR srcTypeName,
 		int const srcTypeVersion,
 		ox::StringViewCR dstTypeName,
 		int const dstTypeVersion) noexcept {
-	for (auto const&c : converters) {
+	for (auto const &c : converters) {
 		if (c.converter().matches(srcTypeName, srcTypeVersion, dstTypeName, dstTypeVersion)) {
 			return &c.converter();
 		}
@@ -22,17 +22,17 @@ static ox::Result<BaseConverter const*> findConverter(
 	return ox::Error{1, "Could not find converter"};
 };
 
-static ox::Result<ox::UPtr<Wrap>> convert(BaseConverter const&c, Context &ctx, ox::BufferView const&src) noexcept {
+static ox::Result<ox::UPtr<Wrap>> convert(BaseConverter const &c, Context &ctx, ox::BufferView const &src) noexcept {
 	return c.convertBuffToPtr(ctx, src);
 }
 
-static ox::Result<ox::UPtr<Wrap>> convert(BaseConverter const&c, Context &ctx, Wrap &src) noexcept {
+static ox::Result<ox::UPtr<Wrap>> convert(BaseConverter const &c, Context &ctx, Wrap &src) noexcept {
 	return c.convertPtrToPtr(ctx, src);
 }
 
 static ox::Result<ox::UPtr<Wrap>> convert(
 		Context &ctx,
-		ox::SpanView<Converter> const&converters,
+		ox::SpanView<Converter> const &converters,
 		auto &src,
 		ox::StringViewCR srcTypeName,
 		int const srcTypeVersion,
@@ -45,7 +45,7 @@ static ox::Result<ox::UPtr<Wrap>> convert(
 		return convert(*c, ctx, src);
 	}
 	// try to chain multiple converters
-	for (auto const&subConverter : converters) {
+	for (auto const &subConverter : converters) {
 		if (!subConverter.converter().dstMatches(dstTypeName, dstTypeVersion)) {
 			continue;
 		}
@@ -61,7 +61,7 @@ static ox::Result<ox::UPtr<Wrap>> convert(
 
 ox::Result<ox::UPtr<Wrap>> convert(
 		Context &ctx,
-		ox::BufferView const&srcBuffer,
+		ox::BufferView const &srcBuffer,
 		ox::StringViewCR dstTypeName,
 		int const dstTypeVersion) noexcept {
 	OX_REQUIRE(hdr, readAssetHeader(srcBuffer));

deps/nostalgia/src/olympic/keel/src/typestore.cpp

@@ -6,7 +6,7 @@
 
 namespace keel {
 
-TypeStore::TypeStore(ox::FileSystem &fs, ox::StringView descPath) noexcept:
+TypeStore::TypeStore(ox::FileSystem &fs, ox::StringViewCR descPath) noexcept:
 	m_fs(fs),
 	m_descPath(descPath) {
 }

deps/nostalgia/src/olympic/keel/test/tests.cpp

@@ -16,7 +16,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 			constexpr ox::StringView uuidStr = "8d814442-f46e-4cc3-8edc-ca3c01cc86db";
 			constexpr ox::StringView hdr = "K1;8d814442-f46e-4cc3-8edc-ca3c01cc86db;";
 			OX_REQUIRE(uuid, ox::UUID::fromString(uuidStr));
-			ox::Array<char, hdr.len()> buff;
+			ox::Array<char, hdr.size()> buff;
 			ox::CharBuffWriter bw(buff);
 			OX_RETURN_ERROR(keel::writeUuidHeader(bw, uuid));
 			oxExpect(ox::StringView(buff.data(), buff.size()), hdr);
@@ -25,7 +25,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 	},
 };
 
-int main(int argc, char const **argv) {
+int main(int const argc, char const **argv) {
 	int retval = -1;
 	if (argc > 0) {
 		auto const args = ox::Span{argv, static_cast<size_t>(argc)};

deps/nostalgia/src/olympic/studio/applib/include/studioapp/studioapp.hpp

@@ -10,6 +10,9 @@
 
 namespace studio {
 
+[[nodiscard]]
+ox::Vector<Module const*> const &modules() noexcept;
+
 void registerModule(Module const*) noexcept;
 
 }

deps/nostalgia/src/olympic/studio/applib/src/app.cpp

@@ -2,15 +2,18 @@
  * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
  */
 
+#include <complex>
 #include <ctime>
 
 #include <ox/logconn/logconn.hpp>
 #include <ox/std/trace.hpp>
 #include <ox/std/uuid.hpp>
-#include <keel/media.hpp>
+#include <keel/keel.hpp>
 #include <turbine/turbine.hpp>
 
 #include <studio/context.hpp>
+#include <studioapp/studioapp.hpp>
+
 #include "studioui.hpp"
 
 namespace studio {
@@ -40,7 +43,7 @@ static void mouseButtonEventHandler(turbine::Context &ctx, int const btn, bool c
 [[nodiscard]]
 ox::Vector<ox::SpanView<uint8_t>> WindowIcons() noexcept;
 
-static ox::Error runApp(
+static ox::Error runStudio(
 		ox::StringViewCR appName,
 		ox::StringViewCR projectDataDir,
 		ox::UPtr<ox::FileSystem> &&fs) noexcept {
@@ -61,17 +64,49 @@ static ox::Error runApp(
 static ox::Error run(
 		ox::StringViewCR appName,
 		ox::StringViewCR projectDataDir,
-		ox::SpanView<ox::CString>) {
+		ox::SpanView<ox::CString> const &args) {
 	// seed UUID generator
 	auto const time = std::time(nullptr);
 	ox::UUID::seedGenerator({
 		static_cast<uint64_t>(time),
 		static_cast<uint64_t>(time << 1)
 	});
-	// run app
-	auto const err = runApp(appName, projectDataDir, ox::UPtr<ox::FileSystem>{});
-	oxAssert(err, "Something went wrong...");
-	return err;
+	if (args.size() > 1 && ox::StringView{args[1]} == "cmd") {
+		if (args.size() < 5) {
+			return ox::Error{1, "insufficient arguments for sub-command"};
+		}
+		auto constexpr numCmdArgs = 5;
+		ox::StringView const projectDir = args[2];
+		ox::StringView const moduleId = args[3];
+		ox::StringView const subCmd = args[4];
+		for (auto const m : modules()) {
+			if (m->id() == moduleId) {
+				for (auto const &c : m->commands()) {
+					if (c.name == subCmd) {
+						auto kctx = keel::init(
+							ox::make_unique<ox::PassThroughFS>(projectDir),
+							c.name);
+						if (kctx.error) {
+							return ox::Error{2, "failed to load project directory"};
+						}
+						Project project{*kctx.value, projectDir, projectDataDir};
+						return c.func(
+							project,
+							args.size() > numCmdArgs ?
+								 args + numCmdArgs : ox::SpanView<ox::CString>{});
+					}
+				}
+				return ox::Error{1, "command not found"};
+			}
+		}
+		return ox::Error{1, "module not found"};
+	} else {
+		// run app
+		auto const err = runStudio(appName, projectDataDir, ox::UPtr<ox::FileSystem>{});
+		oxAssert(err, "Something went wrong...");
+		return err;
+	}
+	return {};
 }
 
 }

deps/nostalgia/src/olympic/studio/applib/src/clawviewer.cpp

@@ -28,7 +28,7 @@ void ClawEditor::draw(Context&) noexcept {
 	ImGui::EndChild();
 }
 
-void ClawEditor::drawRow(ox::ModelValue const&value) noexcept {
+void ClawEditor::drawRow(ox::ModelValue const &value) noexcept {
 	using Str = ox::BasicString<100>;
 	Str val, type;
 	switch (value.type()) {
@@ -93,13 +93,13 @@ void ClawEditor::drawRow(ox::ModelValue const&value) noexcept {
 	ImGui::Text("%s", val.c_str());
 }
 
-void ClawEditor::drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue const&value) noexcept {
+void ClawEditor::drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue const &value) noexcept {
 	using Str = ox::BasicString<100>;
 	path.push_back(name);
 	if (value.type() == ox::ModelValue::Type::Object) {
 		drawTree(path, value.get<ox::ModelObject>());
 	} else if (value.type() == ox::ModelValue::Type::Vector) {
-		auto const&vec = value.get<ox::ModelValueVector>();
+		auto const &vec = value.get<ox::ModelValueVector>();
 		auto const pathStr = ox::join<Str>("##", path).unwrap();
 		auto const lbl = ox::sfmt<Str>("{}##{}", name, pathStr);
 		auto const flags = ImGuiTreeNodeFlags_SpanFullWidth
@@ -110,7 +110,7 @@ void ClawEditor::drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue co
 		ImGui::SameLine();
 		drawRow(value);
 		if (open) {
-			for (auto i = 0lu; auto const&e: vec) {
+			for (auto i = 0lu; auto const &e: vec) {
 				auto const iStr = ox::sfmt<Str>("{}", i);
 				path.push_back(iStr);
 				ImGui::TableNextRow(0, 5);
@@ -138,7 +138,7 @@ void ClawEditor::drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue co
 	path.pop_back();
 }
 
-void ClawEditor::drawTree(ObjPath &path, ox::ModelObject const&obj) noexcept {
+void ClawEditor::drawTree(ObjPath &path, ox::ModelObject const &obj) noexcept {
 	using Str = ox::BasicString<100>;
 	for (auto const &c : obj) {
 		ImGui::TableNextRow(0, 5);

deps/nostalgia/src/olympic/studio/applib/src/clawviewer.hpp

@@ -21,11 +21,11 @@ class ClawEditor: public Editor {
 		void draw(Context&) noexcept final;
 
 	private:
-		static void drawRow(ox::ModelValue const&value) noexcept;
+		static void drawRow(ox::ModelValue const &value) noexcept;
 
-		void drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue const&value) noexcept;
+		void drawVar(ObjPath &path, ox::StringViewCR name, ox::ModelValue const &value) noexcept;
 
-		void drawTree(ObjPath &path, ox::ModelObject const&obj) noexcept;
+		void drawTree(ObjPath &path, ox::ModelObject const &obj) noexcept;
 };
 
 }

deps/nostalgia/src/olympic/studio/applib/src/popups/newmenu.cpp

@@ -24,7 +24,7 @@ void NewMenu::open() noexcept {
 	m_useDefaultPath = true;
 	m_explorer.setModel(buildFileTreeModel(
 		m_explorer,
-		[](ox::StringViewCR, ox::FileStat const&s) {
+		[](ox::StringViewCR, ox::FileStat const &s) {
 			return s.fileType == ox::FileType::Directory;
 		}).or_value(ox::UPtr<FileTreeModel>{}));
 }
@@ -75,26 +75,26 @@ void NewMenu::addItemMaker(ox::UPtr<ItemMaker> &&im) noexcept {
 	m_types.emplace_back(std::move(im));
 	std::sort(
 			m_types.begin(), m_types.end(),
-			[](ox::UPtr<ItemMaker> const&im1, ox::UPtr<ItemMaker> const&im2) {
+			[](ox::UPtr<ItemMaker> const &im1, ox::UPtr<ItemMaker> const &im2) {
 				 return im1->typeDisplayName() < im2->typeDisplayName();
 			});
 }
 
 void NewMenu::installItemTemplate(ox::UPtr<ItemTemplate> &&tmplt) noexcept {
-	for (auto const&im : m_types) {
+	for (auto const &im : m_types) {
 		if (im->installTemplate(std::move(tmplt))) {
 			break;
 		}
 	}
 }
 
-void NewMenu::drawNewItemType(Context const&sctx) noexcept {
+void NewMenu::drawNewItemType(Context const &sctx) noexcept {
 	setSize({280, 180});
 	drawWindow(sctx.tctx, m_open, [this] {
 		ig::ListBox("Item Type", [&](size_t const i) -> ox::CStringView {
 			return m_types[i]->typeDisplayName();
 		}, m_types.size(), m_selectedType, {200, 100});
-		auto const&im = *m_types[m_selectedType];
+		auto const &im = *m_types[m_selectedType];
 		drawFirstPageButtons(im.itemTemplates().size() == 1 ?
 			Stage::NewItemTransitioningToPath : Stage::NewItemTemplate);
 		if (m_stage == Stage::NewItemTransitioningToPath || m_stage == Stage::NewItemTemplate) {
@@ -105,10 +105,10 @@ void NewMenu::drawNewItemType(Context const&sctx) noexcept {
 	});
 }
 
-void NewMenu::drawNewItemTemplate(Context const&sctx) noexcept {
+void NewMenu::drawNewItemTemplate(Context const &sctx) noexcept {
 	setSize({280, 180});
 	drawWindow(sctx.tctx, m_open, [this] {
-		auto const&templates =
+		auto const &templates =
 			m_types[m_selectedType]->itemTemplates();
 		ig::ListBox("Template", [&](size_t const i) -> ox::CStringView {
 			return templates[i]->name();
@@ -192,7 +192,7 @@ void NewMenu::drawLastPageButtons(Context &sctx) noexcept {
 }
 
 void NewMenu::finish(Context &sctx) noexcept {
-	if (m_itemName.len() == 0) {
+	if (m_itemName.size() == 0) {
 		oxLogError(ox::Error{1, "New file error: no file name"});
 		return;
 	}

deps/nostalgia/src/olympic/studio/applib/src/popups/newmenu.hpp

@@ -75,7 +75,7 @@ class NewMenu final: public Popup {
 		void installItemTemplate(ox::UPtr<ItemTemplate> &&tmplt) noexcept;
 
 	private:
-		void drawNewItemType(Context const&sctx) noexcept;
+		void drawNewItemType(Context const &sctx) noexcept;
 
 		void drawNewItemPath(Context &sctx) noexcept;
 

deps/nostalgia/src/olympic/studio/applib/src/popups/newproject.hpp

@@ -13,7 +13,7 @@
 
 namespace studio {
 
-class NewProject: public studio::Popup {
+class NewProject: public Popup {
 	public:
 		enum class Stage {
 			Closed,

deps/nostalgia/src/olympic/studio/applib/src/projectexplorer.cpp

@@ -57,7 +57,7 @@ void ProjectExplorer::dirContextMenu(ox::StringViewCR path) const noexcept {
 		if (ImGui::MenuItem("Add Directory")) {
 			addDir.emit(path);
 		}
-		if (path.len() && ImGui::MenuItem("Delete")) {
+		if (path.size() && ImGui::MenuItem("Delete")) {
 			deleteItem.emit(path);
 		}
 		ImGui::EndPopup();

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

@@ -37,11 +37,15 @@ static bool shutdownHandler(turbine::Context &ctx) {
 namespace ig {
 extern bool s_mainWinHasFocus;
 }
-static ox::Vector<Module const*> modules;
+static ox::Vector<Module const*> g_modules;
+
+ox::Vector<Module const*> const &modules() noexcept {
+	return g_modules;
+}
 
 void registerModule(Module const*mod) noexcept {
 	if (mod) {
-		modules.emplace_back(mod);
+		g_modules.emplace_back(mod);
 	}
 }
 
@@ -246,6 +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];
@@ -443,7 +450,7 @@ void StudioUI::loadModule(Module const &mod) noexcept {
 }
 
 void StudioUI::loadModules() noexcept {
-	for (auto const mod : modules) {
+	for (auto const mod : g_modules) {
 		loadModule(*mod);
 	}
 }
@@ -632,6 +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()) {
@@ -645,8 +655,8 @@ ox::Error StudioUI::openProjectPath(ox::StringParam path) noexcept {
 		m_messagePopup.show(msg);
 	}
 	OX_RETURN_ERROR(
-			ox::make_unique_catch<Project>(keelCtx(m_tctx), std::move(path), m_projectDataDir)
-			        .moveTo(m_project));
+		ox::make_unique_catch<Project>(keelCtx(m_tctx), std::move(path), m_projectDataDir)
+				.moveTo(m_project));
 	m_sctx.project = m_project.get();
 	m_activeEditor = nullptr;
 	m_activeEditorOnLastDraw = nullptr;
@@ -661,8 +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(),
@@ -673,14 +681,18 @@ ox::Error StudioUI::openProjectPath(ox::StringParam path) noexcept {
 			auto p = std::move(*pcIt);
 			std::ignore = config.projects.erase(pcIt);
 			auto &pc = *config.projects.emplace(0, std::move(p));
-			for (auto const &f: pc.openFiles) {
-				auto const openFileErr = openFileActiveTab(f, pc.activeTabItemName == f);
-				if (openFileErr) {
-					oxErrorf("\nCould not open editor for file:\n\t{}\nReason:\n\t{}\n", f, toStr(openFileErr));
-					continue;
-				}
-				m_activeEditor = m_editors.back().value->get();
-			}
+			std::ignore = pc.openFiles.erase(
+				std::remove_if(
+					pc.openFiles.begin(), pc.openFiles.end(),
+					[&](ox::String const &f) {
+						auto const openFileErr = openFileActiveTab(f, pc.activeTabItemName == f);
+						if (openFileErr) {
+							oxErrorf("\nCould not open editor for file:\n\t{}\nReason:\n\t{}\n", f, toStr(openFileErr));
+							return true;
+						}
+						m_activeEditor = m_editors.back().value->get();
+						return false;
+					}));
 		} else {
 			config.projects.emplace(0, StudioConfig::ProjectConfig{
 				.projectPath = ox::String{m_project->projectPath()},

deps/nostalgia/src/olympic/studio/modlib/include/studio/editor.hpp

@@ -140,7 +140,7 @@ class Editor: public studio::BaseEditor {
 		ox::Error pushCommand(Args&&... args) noexcept {
 			try {
 				return m_undoStack.push(ox::make_unique<UC>(ox::forward<Args>(args)...));
-			} catch (ox::Exception const&ex) {
+			} catch (ox::Exception const &ex) {
 				return ex.toError();
 			}
 		}
@@ -148,7 +148,7 @@ class Editor: public studio::BaseEditor {
 	private:
 		ox::Error markUnsavedChanges(UndoCommand const*) noexcept;
 
-		ox::Error handleRename(ox::StringViewCR oldPath, ox::StringViewCR newPath, ox::UUID const&id) noexcept;
+		ox::Error handleRename(ox::StringViewCR oldPath, ox::StringViewCR newPath, ox::UUID const &id) noexcept;
 
 };
 

deps/nostalgia/src/olympic/studio/modlib/include/studio/filedialog.hpp

@@ -21,7 +21,7 @@ struct FDFilterItem {
 	FDFilterItem(ox::StringViewCR pName, ox::StringViewCR pSpec) noexcept;
 };
 
-ox::Result<ox::String> saveFile(ox::Vector<FDFilterItem> const&exts) noexcept;
+ox::Result<ox::String> saveFile(ox::Vector<FDFilterItem> const &exts) noexcept;
 
 ox::Result<ox::String> chooseDirectory() noexcept;
 

deps/nostalgia/src/olympic/studio/modlib/include/studio/filetreemodel.hpp

@@ -78,7 +78,7 @@ class FileExplorer: public ox::SignalHandler {
 		}
 
 	private:
-		ox::Result<bool> setSelectedPath(ox::StringViewCR path, FileTreeModel const&node) noexcept;
+		ox::Result<bool> setSelectedPath(ox::StringViewCR path, FileTreeModel const &node) noexcept;
 
 };
 
@@ -106,7 +106,7 @@ class FileTreeModel {
 		void setChildren(ox::Vector<ox::UPtr<FileTreeModel>> children) noexcept;
 
 		[[nodiscard]]
-		ox::Vector<ox::UPtr<FileTreeModel>> const&children() const noexcept {
+		ox::Vector<ox::UPtr<FileTreeModel>> const &children() const noexcept {
 			return m_children;
 		}
 
@@ -129,13 +129,13 @@ ox::Result<ox::UPtr<FileTreeModel>> buildFileTreeModel(
 		ox::StringParam name,
 		ox::StringViewCR path,
 		FileTreeModel *parent = nullptr,
-		std::function<bool(ox::StringViewCR, ox::FileStat const&)> const&filter =
+		std::function<bool(ox::StringViewCR, ox::FileStat const&)> const &filter =
 			[](ox::StringViewCR, ox::FileStat const&) {return true;},
 		bool showEmptyDirs = true) noexcept;
 
 ox::Result<ox::UPtr<FileTreeModel>> buildFileTreeModel(
 		FileExplorer &explorer,
-		std::function<bool(ox::StringViewCR, ox::FileStat const&)> const&filter =
+		std::function<bool(ox::StringViewCR, ox::FileStat const&)> const &filter =
 			[](ox::StringViewCR, ox::FileStat const&) {return true;},
 		bool showEmptyDirs = true) noexcept;
 

deps/nostalgia/src/olympic/studio/modlib/include/studio/imguiutil.hpp

@@ -31,7 +31,7 @@ ox::Result<T> getDragDropPayload(ox::CStringViewCR name) noexcept {
 		return ox::Error(1, "No drag/drop payload");
 	}
 	return ox::readClaw<T>({
-			reinterpret_cast<char const*>(payload->Data),
+			std::launder(reinterpret_cast<char const*>(payload->Data)),
 			static_cast<size_t>(payload->DataSize)});
 }
 

deps/nostalgia/src/olympic/studio/modlib/include/studio/itemmaker.hpp

@@ -27,11 +27,11 @@ class ItemTemplate {
 		virtual ~ItemTemplate() = default;
 
 		[[nodiscard]]
-		constexpr ox::String const&name() const noexcept {
+		constexpr ox::String const &name() const noexcept {
 			return m_name;
 		}
 
-		constexpr bool operator<=>(ItemTemplate const&other) const noexcept {
+		constexpr bool operator<=>(ItemTemplate const &other) const noexcept {
 			return m_name != other.name() ? (m_name < other.name() ? -1 : 1) : 0;
 		}
 
@@ -105,7 +105,7 @@ class ItemMaker {
 		virtual ~ItemMaker() noexcept = default;
 
 		[[nodiscard]]
-		ox::String const&typeDisplayName() const noexcept {
+		ox::String const &typeDisplayName() const noexcept {
 			return m_typeDisplayName;
 		}
 
@@ -120,17 +120,17 @@ class ItemMaker {
 			return false;
 		}
 
-		constexpr ox::Vector<ox::UPtr<ItemTemplate>> const&itemTemplates() const noexcept {
+		constexpr ox::Vector<ox::UPtr<ItemTemplate>> const &itemTemplates() const noexcept {
 			return m_templates;
 		}
 
 		[[nodiscard]]
-		ox::String const&fileExt() const noexcept {
+		ox::String const &fileExt() const noexcept {
 			return m_fileExt;
 		}
 
 		[[nodiscard]]
-		ox::String const&defaultPath() const noexcept {
+		ox::String const &defaultPath() const noexcept {
 			return m_parentDir;
 		}
 
@@ -212,7 +212,7 @@ class ItemMakerT final: public ItemMaker {
 				ox::StringParam pDisplayName,
 				ox::StringViewCR pParentDir,
 				ox::StringParam fileExt,
-				T const&pItem,
+				T const &pItem,
 				ox::ClawFormat const pFmt) noexcept:
 				ItemMaker(
 					std::move(pDisplayName),
@@ -249,7 +249,7 @@ class ItemMakerT final: public ItemMaker {
 			ox::StringViewCR pPath,
 			size_t const pTemplateIdx) const noexcept override {
 			createUuidMapping(keelCtx(ctx.tctx), pPath, ox::UUID::generate().unwrap());
-			auto const&templates = itemTemplates();
+			auto const &templates = itemTemplates();
 			auto const tmplIdx = pTemplateIdx < templates.size() ? pTemplateIdx : 0;
 			OX_REQUIRE_M(tmpl, templates[tmplIdx]->getItem(
 				keelCtx(ctx), typeName(), typeVersion()));

deps/nostalgia/src/olympic/studio/modlib/include/studio/module.hpp

@@ -23,15 +23,34 @@ struct EditorMaker {
 	Func make;
 };
 
+struct Command {
+	ox::String name;
+	std::function<ox::Error(Project&, ox::SpanView<ox::CString>)> func;
+	Command(
+		ox::StringParam name,
+		std::function<ox::Error(Project&, ox::SpanView<ox::CString>)> func) noexcept:
+		name(std::move(name)),
+		func(std::move(func)) {}
+};
+
 class Module {
 	public:
 		virtual ~Module() noexcept = default;
 
-		virtual ox::Vector<EditorMaker> editors(studio::Context &ctx) const;
+		[[nodiscard]]
+		virtual ox::String id() const noexcept = 0;
 
-		virtual ox::Vector<ox::UPtr<ItemMaker>> itemMakers(studio::Context&) const;
+		[[nodiscard]]
+		virtual ox::Vector<Command> commands() const;
 
-		virtual ox::Vector<ox::UPtr<ItemTemplate>> itemTemplates(studio::Context&) const;
+		[[nodiscard]]
+		virtual ox::Vector<EditorMaker> editors(Context &ctx) const;
+
+		[[nodiscard]]
+		virtual ox::Vector<ox::UPtr<ItemMaker>> itemMakers(Context&) const;
+
+		[[nodiscard]]
+		virtual ox::Vector<ox::UPtr<ItemTemplate>> itemTemplates(Context&) const;
 
 };
 

deps/nostalgia/src/olympic/studio/modlib/include/studio/popup.hpp

@@ -43,11 +43,11 @@ class Popup: public Widget {
 			m_title = std::move(title);
 		}
 
-		constexpr ox::String const&title() const noexcept {
+		constexpr ox::String const &title() const noexcept {
 			return m_title;
 		}
 
-		void drawWindow(turbine::Context &ctx, bool &open, std::function<void()> const&drawContents);
+		void drawWindow(turbine::Context &ctx, bool &open, std::function<void()> const &drawContents);
 
 };
 

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

@@ -40,8 +40,8 @@ constexpr ox::Result<ox::StringView> fileExt(ox::StringViewCR path) noexcept {
 
 [[nodiscard]]
 constexpr ox::StringView parentDir(ox::StringView path) noexcept {
-	if (path.len() && path[path.len() - 1] == '/') {
-		path = substr(path, 0, path.len() - 1);
+	if (path.size() && path[path.size() - 1] == '/') {
+		path = substr(path, 0, path.size() - 1);
 	}
 	auto const extStart = ox::find(path.crbegin(), path.crend(), '/').offset();
 	return substr(path, 0, extStart);
@@ -59,12 +59,12 @@ class Project: public ox::SignalHandler {
 		ox::HashMap<ox::String, ox::Vector<ox::String>> m_fileExtFileMap;
 
 	public:
-		explicit Project(keel::Context &ctx, ox::String path, ox::StringViewCR projectDataDir);
+		explicit Project(keel::Context &ctx, ox::StringParam path, ox::StringViewCR projectDataDir);
 
 		ox::Error create() noexcept;
 
 		[[nodiscard]]
-		ox::String const&projectPath() const noexcept;
+		ox::String const &projectPath() const noexcept;
 
 		[[nodiscard]]
 		ox::FileSystem &romFs() noexcept;
@@ -77,7 +77,7 @@ class Project: public ox::SignalHandler {
 		template<typename T>
 		ox::Error writeObj(
 				ox::StringViewCR path,
-				T const&obj,
+				T const &obj,
 				ox::ClawFormat fmt) noexcept;
 
 		/**
@@ -86,7 +86,7 @@ class Project: public ox::SignalHandler {
 		template<typename T>
 		ox::Error writeObj(
 				ox::StringViewCR path,
-				T const&obj) noexcept;
+				T const &obj) noexcept;
 
 		template<typename T>
 		ox::Result<T> loadObj(ox::StringViewCR path) const noexcept;
@@ -101,6 +101,16 @@ class Project: public ox::SignalHandler {
 
 		ox::Error deleteItem(ox::StringViewCR path) noexcept;
 
+		[[nodiscard]]
+		keel::Context &kctx() noexcept {
+			return m_kctx;
+		}
+
+		[[nodiscard]]
+		keel::Context const &kctx() const noexcept {
+			return m_kctx;
+		}
+
 		[[nodiscard]]
 		bool exists(ox::StringViewCR path) const noexcept;
 
@@ -108,7 +118,7 @@ class Project: public ox::SignalHandler {
 		ox::Error subscribe(ProjectEvent e, ox::SignalHandler *tgt, Functor &&slot) const noexcept;
 
 		[[nodiscard]]
-		ox::Vector<ox::String> const&fileList(ox::StringViewCR ext) noexcept;
+		ox::Vector<ox::String> const &fileList(ox::StringViewCR ext) noexcept;
 
 		ox::Error writeTypeStore() noexcept;
 
@@ -117,7 +127,7 @@ class Project: public ox::SignalHandler {
 
 		void indexFile(ox::StringViewCR path) noexcept;
 
-		ox::Error writeBuff(ox::StringViewCR path, ox::BufferView const&buff) noexcept;
+		ox::Error writeBuff(ox::StringViewCR path, ox::BufferView const &buff) noexcept;
 
 		ox::Result<ox::Buffer> loadBuff(ox::StringViewCR path) const noexcept;
 
@@ -136,13 +146,13 @@ class Project: public ox::SignalHandler {
 		ox::Signal<ox::Error(ox::StringViewCR)> fileRecognized;
 		ox::Signal<ox::Error(ox::StringViewCR)> fileDeleted;
 		ox::Signal<ox::Error(ox::StringViewCR)> dirDeleted;
-		ox::Signal<ox::Error(ox::StringViewCR path, ox::UUID const&id)> fileUpdated;
-		ox::Signal<ox::Error(ox::StringViewCR oldPath, ox::StringViewCR newPath, ox::UUID const&id)> fileMoved;
+		ox::Signal<ox::Error(ox::StringViewCR path, ox::UUID const &id)> fileUpdated;
+		ox::Signal<ox::Error(ox::StringViewCR oldPath, ox::StringViewCR newPath, ox::UUID const &id)> fileMoved;
 
 };
 
 template<typename T>
-ox::Error Project::writeObj(ox::StringViewCR path, T const&obj, ox::ClawFormat fmt) noexcept {
+ox::Error Project::writeObj(ox::StringViewCR path, T const &obj, ox::ClawFormat fmt) noexcept {
 	OX_REQUIRE_M(buff, ox::writeClaw(obj, fmt));
 	if (fmt == ox::ClawFormat::Organic) {
 		buff.pop_back();
@@ -167,7 +177,7 @@ ox::Error Project::writeObj(ox::StringViewCR path, T const&obj, ox::ClawFormat f
 }
 
 template<typename T>
-ox::Error Project::writeObj(ox::StringViewCR path, T const&obj) noexcept {
+ox::Error Project::writeObj(ox::StringViewCR path, T const &obj) noexcept {
 	OX_REQUIRE(ext, fileExt(path));
 	auto const fmt = m_typeFmt[ext].or_value(ox::ClawFormat::Metal);
 	return writeObj(path, obj, fmt);
@@ -179,6 +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);
 	}
 }
@@ -197,7 +211,7 @@ ox::Error Project::subscribe(ProjectEvent e, ox::SignalHandler *tgt, Functor &&s
 		case ProjectEvent::FileRecognized:
 		{
 			OX_REQUIRE(files, listFiles());
-			for (auto const&f : files) {
+			for (auto const &f : files) {
 				slot(f);
 			}
 			connect(this, &Project::fileRecognized, tgt, slot);

deps/nostalgia/src/olympic/studio/modlib/include/studio/selectiontracker.hpp

@@ -16,19 +16,19 @@ namespace studio {
 struct Selection {
 	ox::Point a, b;
 	constexpr Selection() noexcept = default;
-	constexpr Selection(ox::Point const&pA, ox::Point const&pB) noexcept: a(pA), b(pB) {}
+	constexpr Selection(ox::Point const &pA, ox::Point const &pB) noexcept: a(pA), b(pB) {}
 	[[nodiscard]]
 	constexpr ox::Size size() const noexcept {
 		return {b.x - a.x, b.y - a.y};
 	}
 	[[nodiscard]]
-	constexpr bool contains(ox::Point const&pt) const noexcept {
+	constexpr bool contains(ox::Point const &pt) const noexcept {
 		return a.x <= pt.x && a.y <= pt.y
 		    && b.x >= pt.x && b.y >= pt.y;
 	}
 };
 
-constexpr auto iterateSelection(studio::Selection const&sel, auto const&cb) {
+constexpr auto iterateSelection(Selection const &sel, auto const &cb) {
 	constexpr auto retErr = ox::is_same_v<decltype(cb(0, 0)), ox::Error>;
 	for (auto x = sel.a.x; x <= sel.b.x; ++x) {
 		for (auto y = sel.a.y; y <= sel.b.y; ++y) {
@@ -44,7 +44,7 @@ constexpr auto iterateSelection(studio::Selection const&sel, auto const&cb) {
 	}
 };
 
-constexpr auto iterateSelectionRows(studio::Selection const&sel, auto const&cb) {
+constexpr auto iterateSelectionRows(Selection const &sel, auto const &cb) {
 	constexpr auto retErr = ox::is_same_v<decltype(cb(0, 0)), ox::Error>;
 	for (auto y = sel.a.y; y <= sel.b.y; ++y) {
 		for (auto x = sel.a.x; x <= sel.b.x; ++x) {

deps/nostalgia/src/olympic/studio/modlib/include/studio/undocommand.hpp

@@ -12,7 +12,7 @@ namespace studio {
 
 class NoChangesException: public ox::Exception {
 	public:
-		inline NoChangesException(std::source_location sloc = std::source_location::current()):
+		explicit NoChangesException(std::source_location sloc = std::source_location::current()):
 				ox::Exception(1, "Command makes no changes.", sloc) {}
 };