[nostalgia/gfx] Move to TileSheetV5

Also, fix dir context menu to work when dir is closed, and fix it not to
override last file in the directory.

.gitignore

@@ -6,7 +6,7 @@
 .mypy_cache
 .stfolder
 .stignore
-scripts/__pycache__
+util/scripts/__pycache__
 pyenv
 CMakeLists.txt.user
 ROM.oxfs

Makefile

@@ -1,26 +1,31 @@
 BC_VAR_PROJECT_NAME=nostalgia
 BC_VAR_PROJECT_NAME_CAP=Nostalgia
+BC_VAR_DEVENV_ROOT=util
 BUILDCORE_PATH=deps/buildcore
 include ${BUILDCORE_PATH}/base.mk
 
 ifeq ($(BC_VAR_OS),darwin)
-	NOSTALGIA_STUDIO=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}Studio.app/Contents/MacOS/${BC_VAR_PROJECT_NAME_CAP}Studio
+	PROJECT_STUDIO=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}Studio.app/Contents/MacOS/${BC_VAR_PROJECT_NAME_CAP}Studio
 	MGBA=/Applications/mGBA.app/Contents/MacOS/mGBA
 else
-	NOSTALGIA_STUDIO=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}Studio
+	PROJECT_STUDIO=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}Studio
 	MGBA=mgba-qt
 endif
+PROJECT_PLAYER=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}
 
 .PHONY: pkg-gba
 pkg-gba: build
-	${BC_CMD_ENVRUN} ${BC_PY3} ./scripts/pkg-gba.py sample_project ${BC_VAR_PROJECT_NAME}
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-gba.py sample_project ${BC_VAR_PROJECT_NAME}
 
+.PHONY: build-player
+build-player:
+	${BC_CMD_CMAKE_BUILD} ${BC_VAR_BUILD_PATH} ${BC_VAR_PROJECT_NAME_CAP}
 .PHONY: run
-run: build
+run: build-player
-	./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME} sample_project
+	${PROJECT_PLAYER} sample_project
 .PHONY: run-studio
 run-studio: build
-	${NOSTALGIA_STUDIO}
+	${PROJECT_STUDIO}
 .PHONY: gba-run
 gba-run: pkg-gba
 	${MGBA} ${BC_VAR_PROJECT_NAME}.gba
@@ -29,7 +34,7 @@ debug: build
 	${BC_CMD_HOST_DEBUGGER} ./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME} sample_project
 .PHONY: debug-studio
 debug-studio: build
-	${BC_CMD_HOST_DEBUGGER} ${NOSTALGIA_STUDIO}
+	${BC_CMD_HOST_DEBUGGER} ${PROJECT_STUDIO}
 
 .PHONY: configure-gba
 configure-gba:

deps/gbabuildcore/base.cmake

@@ -1,8 +1,8 @@
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake/modules)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdlib")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc++")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-unwind-tables")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-unwind-tables")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mthumb-interwork")

deps/glad/CMakeLists.txt

@@ -1,2 +1,11 @@
-add_library(glad OBJECT src/glad.c)
+add_library(glad src/glad.c)
-target_include_directories(glad PUBLIC include)
+
+target_include_directories(glad PUBLIC include)
+
+install(
+	TARGETS
+		glad
+	DESTINATION
+		LIBRARY DESTINATION lib
+		ARCHIVE DESTINATION lib
+)

deps/imgui/CMakeLists.txt

@@ -6,7 +6,7 @@ endif()
 # DrinkingTea: end
 
 add_library(
-	imgui OBJECT
+	imgui
 		imgui.cpp
 		imgui_demo.cpp
 		imgui_draw.cpp
@@ -19,4 +19,12 @@ add_library(
 target_include_directories(
 	imgui SYSTEM PUBLIC
 		.
-)
+)
+
+install(
+	TARGETS
+		imgui
+	DESTINATION
+		LIBRARY DESTINATION lib
+		ARCHIVE DESTINATION lib
+)

deps/ox/src/ox/event/signal.hpp

@@ -215,7 +215,7 @@ Error Signal<Args...>::emitCheckError(Args... args) const noexcept {
 		}
 		return ox::Error(0);
 	} catch (const ox::Exception &ex) {
-		return ox::Error(ex.file, ex.line, ex.errCode, ex.msg);
+		return ox::Error(ex.errCode, ex.msg, ex.src);
 	}
 }
 

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

@@ -63,18 +63,6 @@ Error FileSystem::read(const FileAddress &addr, std::size_t readStart, std::size
 	}
 }
 
-Error FileSystem::remove(const FileAddress &addr, bool recursive) noexcept {
-	switch (addr.type()) {
-		case FileAddressType::Inode:
-			return remove(addr.getInode().value, recursive);
-		case FileAddressType::ConstPath:
-		case FileAddressType::Path:
-			return remove(StringView(addr.getPath().value), recursive);
-		default:
-			return ox::Error(1);
-	}
-}
-
 Error FileSystem::write(const FileAddress &addr, const void *buffer, uint64_t size, FileType fileType) noexcept {
 	switch (addr.type()) {
 		case FileAddressType::Inode:

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

@@ -57,9 +57,9 @@ class FileSystem {
 
 		virtual Result<Vector<String>> ls(StringViewCR dir) const noexcept = 0;
 
-		virtual Error remove(StringViewCR path, bool recursive) noexcept = 0;
+		Error remove(StringViewCR path, bool recursive = false) noexcept {
-
+			return removePath(path, recursive);
-		Error remove(const FileAddress &addr, bool recursive = false) noexcept;
+		}
 
 		virtual Error resize(uint64_t size, void *buffer) noexcept = 0;
 
@@ -142,6 +142,8 @@ class FileSystem {
 
 		virtual Error readFileInodeRange(uint64_t inode, std::size_t readStart, std::size_t readSize, void *buffer, std::size_t *size) noexcept = 0;
 
+		virtual Error removePath(StringViewCR path, bool recursive) noexcept = 0;
+
 		virtual Error writeFilePath(StringViewCR path, const void *buffer, uint64_t size, FileType fileType) noexcept = 0;
 
 		virtual Error writeFileInode(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept = 0;
@@ -209,6 +211,8 @@ class FileSystemTemplate: public MemFS {
 
 		Error readFileInodeRange(uint64_t inode, std::size_t readStart, std::size_t readSize, void *buffer, std::size_t *size) noexcept override;
 
+		Error removePath(StringViewCR path, bool recursive) noexcept override;
+
 		Result<const char*> directAccessInode(uint64_t) const noexcept override;
 
 		Result<Vector<String>> ls(StringViewCR dir) const noexcept override;
@@ -216,8 +220,6 @@ class FileSystemTemplate: public MemFS {
 		template<typename F>
 		Error ls(StringViewCR path, F cb) const;
 
-		Error remove(StringViewCR path, bool recursive) noexcept override;
-
 		/**
 		 * Resizes FileSystem to minimum possible size.
 		 */
@@ -356,6 +358,25 @@ Error FileSystemTemplate<FileStore, Directory>::readFileInodeRange(uint64_t inod
 	return m_fs.read(inode, readStart, readSize, reinterpret_cast<uint8_t*>(buffer), size);
 }
 
+template<typename FileStore, typename Directory>
+Error FileSystemTemplate<FileStore, Directory>::removePath(StringViewCR path, bool recursive) noexcept {
+	OX_REQUIRE(fd, fileSystemData());
+	Directory rootDir(m_fs, fd.rootDirInode);
+	OX_REQUIRE(inode, rootDir.find(path));
+	OX_REQUIRE(st, statInode(inode));
+	if (st.fileType == FileType::NormalFile || recursive) {
+		if (auto err = rootDir.remove(path)) {
+			// removal failed, try putting the index back
+			oxLogError(rootDir.write(path, inode));
+			return err;
+		}
+	} else {
+		oxTrace("FileSystemTemplate.remove.fail", "Tried to remove directory without recursive setting.");
+		return ox::Error(1);
+	}
+	return ox::Error(0);
+}
+
 template<typename FileStore, typename Directory>
 Result<const char*> FileSystemTemplate<FileStore, Directory>::directAccessInode(uint64_t inode) const noexcept {
 	auto data = m_fs.read(inode);
@@ -384,25 +405,6 @@ Error FileSystemTemplate<FileStore, Directory>::ls(StringViewCR path, F cb) cons
 	return dir.ls(cb);
 }
 
-template<typename FileStore, typename Directory>
-Error FileSystemTemplate<FileStore, Directory>::remove(StringViewCR path, bool recursive) noexcept {
-	OX_REQUIRE(fd, fileSystemData());
-	Directory rootDir(m_fs, fd.rootDirInode);
-	OX_REQUIRE(inode, rootDir.find(path));
-	OX_REQUIRE(st, statInode(inode));
-	if (st.fileType == FileType::NormalFile || recursive) {
-		if (auto err = rootDir.remove(path)) {
-			// removal failed, try putting the index back
-			oxLogError(rootDir.write(path, inode));
-			return err;
-		}
-	} else {
-		oxTrace("FileSystemTemplate.remove.fail", "Tried to remove directory without recursive setting.");
-		return ox::Error(1);
-	}
-	return ox::Error(0);
-}
-
 template<typename FileStore, typename Directory>
 Error FileSystemTemplate<FileStore, Directory>::resize() noexcept {
 	return m_fs.resize();

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

@@ -75,14 +75,6 @@ Result<Vector<String>> PassThroughFS::ls(StringViewCR dir) const noexcept {
 	return out;
 }
 
-Error PassThroughFS::remove(StringViewCR path, bool recursive) noexcept {
-	if (recursive) {
-		return ox::Error(std::filesystem::remove_all(m_path / stripSlash(path)) != 0);
-	} else {
-		return ox::Error(std::filesystem::remove(m_path / stripSlash(path)) != 0);
-	}
-}
-
 Error PassThroughFS::resize(uint64_t, void*) noexcept {
 	// unsupported
 	return ox::Error(1, "resize is not supported by PassThroughFS");
@@ -167,6 +159,14 @@ Error PassThroughFS::readFileInodeRange(uint64_t, std::size_t, std::size_t, void
 	return ox::Error(1, "read(uint64_t, std::size_t, std::size_t, void*, std::size_t*) is not supported by PassThroughFS");
 }
 
+Error PassThroughFS::removePath(StringViewCR path, bool const recursive) noexcept {
+	if (recursive) {
+		return ox::Error{std::filesystem::remove_all(m_path / stripSlash(path)) == 0};
+	} else {
+		return ox::Error{!std::filesystem::remove(m_path / stripSlash(path))};
+	}
+}
+
 Error PassThroughFS::writeFilePath(StringViewCR path, const void *buffer, uint64_t size, FileType) noexcept {
 	const auto p = (m_path / stripSlash(path));
 	try {

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

@@ -45,8 +45,6 @@ class PassThroughFS: public FileSystem {
 		template<typename F>
 		Error ls(StringViewCR dir, F cb) const noexcept;
 
-		Error remove(StringViewCR path, bool recursive) noexcept override;
-
 		Error resize(uint64_t size, void *buffer) noexcept override;
 
 		Result<FileStat> statInode(uint64_t inode) const noexcept override;
@@ -75,6 +73,8 @@ class PassThroughFS: public FileSystem {
 
 		Error readFileInodeRange(uint64_t inode, std::size_t readStart, std::size_t readSize, void *buffer, std::size_t *size) noexcept override;
 
+		Error removePath(StringViewCR path, bool recursive) noexcept override;
+
 		Error writeFilePath(StringViewCR path, const void *buffer, uint64_t size, FileType fileType) noexcept override;
 
 		Error writeFileInode(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept override;

deps/ox/src/ox/logconn/def.hpp

@@ -14,7 +14,7 @@
     { \
 		const auto loggerErr = (loggerName).initConn(appName); \
 		if (loggerErr) { \
-			oxErrf("Could not connect to logger: {} ({}:{})\n", toStr(loggerErr), loggerErr.file, loggerErr.line); \
+			oxErrf("Could not connect to logger: {} ({}:{})\n", toStr(loggerErr), loggerErr.src.file_name(), loggerErr.src.line()); \
 		} else { \
 			ox::trace::setLogger(&(loggerName)); \
 		} \

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

@@ -140,16 +140,16 @@ constexpr Str getModelTypeName() noexcept {
 	return out;
 }
 
-template<typename T>
+template<typename T, typename Str = const char*>
 [[nodiscard]]
 consteval auto requireModelTypeName() noexcept {
-	constexpr auto name = getModelTypeName<T>();
+	constexpr auto name = getModelTypeName<T, Str>();
 	static_assert(ox::StringView{name}.len(), "Type lacks required TypeName");
 	return name;
 }
 
 template<typename T, typename Str = const char*>
-constexpr auto ModelTypeName_v = getModelTypeName<T, Str>();
+constexpr auto ModelTypeName_v = requireModelTypeName<T, Str>();
 
 template<typename T, typename Str = const char*>
 constexpr auto ModelTypeVersion_v = requireModelTypeVersion<T>();

deps/ox/src/ox/model/typestore.hpp

@@ -58,11 +58,7 @@ class TypeStore {
 				if (!std::is_constant_evaluated()) {
 					OX_REQUIRE_M(dt, loadDescriptor(typeId));
 					for (auto &f : dt->fieldList) {
-						if (typeId == f.typeId) {
+						OX_RETURN_ERROR(this->getLoad(f.typeId).moveTo(f.type));
-							f.type = dt.get();
-						} else {
-							OX_RETURN_ERROR(this->getLoad(f.typeId).moveTo(f.type));
-						}
 					}
 					auto &out = m_cache[typeId];
 					out = std::move(dt);

deps/ox/src/ox/std/algorithm.hpp

@@ -9,13 +9,25 @@
 #pragma once
 
 #include "def.hpp"
+#include "error.hpp"
 
 OX_CLANG_NOWARN_BEGIN(-Wunsafe-buffer-usage)
 
 namespace ox {
 
 template<typename It, typename T>
-constexpr It find(It begin, It end, const T &value) {
+constexpr ox::Result<size_t> findIdx(It begin, It end, T const&value) {
+	auto it = begin;
+	for (; it != end; ++it) {
+		if (*it == value) {
+			return it.offset();
+		}
+	}
+	return ox::Error{1, "item not found"};
+}
+
+template<typename It, typename T>
+constexpr It find(It begin, It end, T const&value) {
 	for (; begin != end; ++begin) {
 		if (*begin == value) {
 			return begin;

deps/ox/src/ox/std/anyptr.hpp

@@ -15,18 +15,22 @@
 
 namespace ox {
 
-class AnyPtr {
+namespace detail {
+
+template<bool unique>
+class AnyPtrT {
 	private:
 		struct WrapBase {
 			virtual constexpr ~WrapBase() = default;
 			virtual constexpr WrapBase *copyTo(ox::Span<char> s) noexcept = 0;
 			virtual constexpr operator bool() const noexcept = 0;
+			virtual void free() noexcept = 0;
 		};
 
 		template<typename T>
-		struct Wrap: public WrapBase {
+		struct Wrap final: WrapBase {
 			T *data{};
-			constexpr Wrap(T *pData) noexcept: data(pData) {
+			explicit constexpr Wrap(T *pData) noexcept: data(pData) {
 			}
 			constexpr WrapBase *copyTo(ox::Span<char> s) noexcept override {
 				oxAssert(s.size() >= sizeof(Wrap), "too small buffer");
@@ -39,39 +43,60 @@ class AnyPtr {
 			constexpr operator bool() const noexcept override {
 				return data != nullptr;
 			}
+			constexpr void free() noexcept override {
+				safeDelete(data);
+				data = {};
+			}
 		};
 
 		WrapBase *m_wrapPtr{};
 		ox::Array<char, sizeof(Wrap<void*>)> m_wrapData;
 
 	public:
-		constexpr AnyPtr() noexcept = default;
+		constexpr AnyPtrT() noexcept = default;
 
 		template<typename T>
-		constexpr AnyPtr(T *ptr) noexcept {
+		constexpr AnyPtrT(T *ptr) noexcept {
 			if (std::is_constant_evaluated()) {
-				m_wrapPtr = new Wrap(ptr);
+				m_wrapPtr = new Wrap<T>(ptr);
 			} else {
-				m_wrapPtr = new(m_wrapData.data()) Wrap(ptr);
+				m_wrapPtr = new(m_wrapData.data()) Wrap<T>(ptr);
 			}
 		}
 
-		constexpr AnyPtr(AnyPtr const&other) noexcept {
+		constexpr AnyPtrT(AnyPtrT const&other) noexcept requires(!unique) {
 			if (other) {
 				m_wrapPtr = other.m_wrapPtr->copyTo(m_wrapData);
 			}
 		}
 
-		constexpr ~AnyPtr() noexcept {
+		constexpr AnyPtrT(AnyPtrT &&other) noexcept {
+			if (other) {
+				m_wrapPtr = other.m_wrapPtr->copyTo(m_wrapData);
+				if (std::is_constant_evaluated()) {
+					ox::safeDelete(m_wrapPtr);
+				}
+				other.m_wrapPtr = {};
+			}
+		}
+
+		constexpr ~AnyPtrT() noexcept {
+			if constexpr(unique) {
+				free();
+			}
 			if (std::is_constant_evaluated()) {
 				ox::safeDelete(m_wrapPtr);
 			}
 		}
 
 		template<typename T>
-		constexpr AnyPtr &operator=(T *ptr) noexcept {
+		constexpr AnyPtrT &operator=(T *ptr) noexcept {
-			if (std::is_constant_evaluated()) {
+			if constexpr(unique) {
+				free();
+			} else if (std::is_constant_evaluated()) {
 				ox::safeDelete(m_wrapPtr);
+			}
+			if (std::is_constant_evaluated()) {
 				m_wrapPtr = new Wrap(ptr);
 			} else {
 				m_wrapPtr = new(m_wrapData.data()) Wrap(ptr);
@@ -79,10 +104,12 @@ class AnyPtr {
 			return *this;
 		}
 
-		constexpr AnyPtr &operator=(AnyPtr const&ptr) noexcept {
+		constexpr AnyPtrT &operator=(AnyPtrT const&ptr) noexcept requires(!unique) {
 			if (this != &ptr) {
-				if (ptr) {
+				if (std::is_constant_evaluated()) {
 					ox::safeDelete(m_wrapPtr);
+				}
+				if (ptr) {
 					m_wrapPtr = ptr.m_wrapPtr->copyTo(m_wrapData);
 				} else {
 					m_wrapPtr = nullptr;
@@ -91,10 +118,40 @@ class AnyPtr {
 			return *this;
 		}
 
+		constexpr AnyPtrT &operator=(AnyPtrT &&ptr) noexcept {
+			if (this != &ptr) {
+				if constexpr(unique) {
+					free();
+				} else if (std::is_constant_evaluated()) {
+					ox::safeDelete(m_wrapPtr);
+				}
+				if (ptr) {
+					m_wrapPtr = ptr.m_wrapPtr->copyTo(m_wrapData);
+					if (std::is_constant_evaluated()) {
+						ox::safeDelete(ptr.m_wrapPtr);
+						ptr.m_wrapPtr = nullptr;
+					}
+				} else {
+					m_wrapPtr = nullptr;
+				}
+			}
+			return *this;
+		}
+
 		constexpr operator bool() const noexcept {
 			return m_wrapPtr && *m_wrapPtr;
 		}
 
+		constexpr void free() noexcept {
+			if (m_wrapPtr) {
+				m_wrapPtr->free();
+			}
+			if (std::is_constant_evaluated()) {
+				ox::safeDelete(m_wrapPtr);
+			}
+			m_wrapPtr = nullptr;
+		}
+
 		template<typename T>
 		[[nodiscard]]
 		constexpr T *get() const noexcept {
@@ -104,6 +161,12 @@ class AnyPtr {
 			return dynamic_cast<Wrap<T>*>(m_wrapPtr)->data;
 #endif
 		}
+
 };
 
+}
+
+using AnyPtr = detail::AnyPtrT<false>;
+using UAnyPtr = detail::AnyPtrT<true>;
+
 }

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

@@ -7,6 +7,7 @@
  */
 
 #include "fmt.hpp"
+#include "realstd.hpp"
 #include "stacktrace.hpp"
 #include "trace.hpp"
 
@@ -14,14 +15,14 @@
 
 namespace ox {
 
-void panic(StringViewCR file, int line, StringViewCR panicMsg, const Error &err) noexcept {
+void panic(StringViewCR file, int const line, StringViewCR panicMsg, Error const&err) noexcept {
 	oxErrf("\033[31;1;1mPANIC:\033[0m [{}:{}]: {}\n", file, line, panicMsg);
 	if (err.msg) {
 		oxErrf("\tError Message:\t{}\n", err.msg);
 	}
 	oxErrf("\tError Code:\t{}\n", static_cast<ErrorCode>(err));
-	if (err.file != nullptr) {
+	if (err.src.file_name() != nullptr) {
-		oxErrf("\tError Location:\t{}:{}\n", err.file, err.line);
+		oxErrf("\tError Location:\t{}:{}\n", err.src.file_name(), err.src.line());
 	}
 #ifdef OX_USE_STDLIB
 	printStackTrace(2);
@@ -32,16 +33,19 @@ void panic(StringViewCR file, int line, StringViewCR panicMsg, const Error &err)
 #endif
 }
 
-void panic(const char *file, int line, const char *panicMsg, const Error &err) noexcept {
+void panic(const char *file, int const line, char const*panicMsg, Error const&err) noexcept {
 	panic(StringView{file}, line, StringView{panicMsg}, err);
 }
 
-void assertFailFuncRuntime(StringViewCR file, int line, StringViewCR assertTxt, StringViewCR msg) noexcept {
+void assertFailFuncRuntime(
+	StringViewCR file,
+	int const line,
+	StringViewCR assertTxt,
+	StringViewCR msg) noexcept {
 #ifdef OX_USE_STDLIB
-	auto output = sfmt("\n\033[31;1;1mASSERT FAILURE:\033[0m [{}:{}]: {}\n", file, line, msg);
+	auto const st = genStackTrace(2);
-	output += genStackTrace(2);
+	oxTracef("assert", "Failed assert: {} ({}) [{}:{}]:\n{}", msg, assertTxt, file, line, st);
-	oxTracef("assert", "Failed assert: {} ({}) [{}:{}]", msg, assertTxt, file, line);
+	abort();
-	std::abort();
 #else
 	oxErrf("\n\033[31;1;1mASSERT FAILURE:\033[0m [{}:{}]: {}\n", file, line, msg);
 	oxTracef("assert", "Failed assert: {} ({}) [{}:{}]", msg, assertTxt, file, line);
@@ -49,20 +53,25 @@ void assertFailFuncRuntime(StringViewCR file, int line, StringViewCR assertTxt,
 #endif
 }
 
-void assertFailFuncRuntime(StringViewCR file, int line, [[maybe_unused]] const Error &err, StringViewCR, StringViewCR assertMsg) noexcept {
+void assertFailFuncRuntime(
+	StringViewCR file,
+	int const line,
+	[[maybe_unused]] Error const&err,
+	StringViewCR,
+	StringViewCR assertMsg) noexcept {
 #if defined(OX_USE_STDLIB)
 	auto msg = sfmt("\n\033[31;1;1mASSERT FAILURE:\033[0m [{}:{}]: {}\n", file, line, assertMsg);
 	if (err.msg) {
 		msg += sfmt("\tError Message:\t{}\n", err.msg);
 	}
 	msg += sfmt("\tError Code:\t{}\n", static_cast<ErrorCode>(err));
-	if (err.file != nullptr) {
+	if (err.src.file_name() != nullptr) {
-		msg += sfmt("\tError Location:\t{}:{}\n", err.file, err.line);
+		msg += sfmt("\tError Location:\t{}:{}\n", err.src.file_name(), err.src.line());
 	}
 	msg += genStackTrace(2);
 	oxErr(msg);
 	oxTracef("assert", "Failed assert: {} [{}:{}]", assertMsg, file, line);
-	std::abort();
+	abort();
 #else
 	constexprPanic(file, line, assertMsg);
 #endif

deps/ox/src/ox/std/assert.hpp

@@ -22,9 +22,15 @@
 
 namespace ox {
 
-void panic(StringViewCR file, int line, StringViewCR panicMsg, const Error &err = ox::Error(0)) noexcept;
+[[noreturn]]
+void panic(StringViewCR file, int line, StringViewCR panicMsg, Error const&err = {}) noexcept;
 
-constexpr void constexprPanic(StringViewCR file, int line, StringViewCR panicMsg, const Error &err = ox::Error(0)) noexcept {
+[[noreturn]]
+constexpr void constexprPanic(
+	StringViewCR file,
+	int const line,
+	StringViewCR panicMsg,
+	Error const&err = {}) noexcept {
 	if (!std::is_constant_evaluated()) {
 		panic(file, line, panicMsg, err);
 	} else {
@@ -32,10 +38,24 @@ constexpr void constexprPanic(StringViewCR file, int line, StringViewCR panicMsg
 	}
 }
 
-void assertFailFuncRuntime(StringViewCR file, int line, StringViewCR assertTxt, StringViewCR msg) noexcept;
+void assertFailFuncRuntime(
-void assertFailFuncRuntime(StringViewCR file, int line, const Error &err, StringViewCR, StringViewCR assertMsg) noexcept;
+	StringViewCR file,
+	int line,
+	StringViewCR assertTxt,
+	StringViewCR msg) noexcept;
+void assertFailFuncRuntime(
+	StringViewCR file,
+	int line,
+	Error const&err,
+	StringViewCR,
+	StringViewCR assertMsg) noexcept;
 
-constexpr void assertFunc(StringViewCR file, int line, bool pass, [[maybe_unused]]StringViewCR assertTxt, [[maybe_unused]]StringViewCR msg) noexcept {
+constexpr void assertFunc(
+	StringViewCR file,
+	int const line,
+	bool const pass,
+	[[maybe_unused]]StringViewCR assertTxt,
+	[[maybe_unused]]StringViewCR msg) noexcept {
 	if (!pass) {
 		if (!std::is_constant_evaluated()) {
 			assertFailFuncRuntime(file, line, assertTxt, msg);
@@ -45,7 +65,12 @@ constexpr void assertFunc(StringViewCR file, int line, bool pass, [[maybe_unused
 	}
 }
 
-constexpr void assertFunc(StringViewCR file, int line, const Error &err, StringViewCR, StringViewCR assertMsg) noexcept {
+constexpr void assertFunc(
+	StringViewCR file,
+	int const line,
+	Error const&err,
+	StringViewCR,
+	StringViewCR assertMsg) noexcept {
 	if (err) {
 		if (!std::is_constant_evaluated()) {
 			assertFailFuncRuntime(file, line, err, {}, assertMsg);
@@ -55,7 +80,11 @@ constexpr void assertFunc(StringViewCR file, int line, const Error &err, StringV
 	}
 }
 
-constexpr void expect(StringViewCR file, int line, const auto &actual, const auto &expected) noexcept {
+constexpr void expect(
+	StringViewCR file,
+	int const line,
+	auto const&actual,
+	auto const&expected) noexcept {
 	if (actual != expected) {
 		 if (!std::is_constant_evaluated()) {
 #if defined(OX_USE_STDLIB)

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

@@ -36,28 +36,16 @@ using ErrorCode = uint16_t;
 
 
 struct [[nodiscard]] Error {
+	std::source_location src;
 	ox::CString msg = nullptr;
-	ox::CString file = nullptr;
-	uint16_t line = 0;
 	ErrorCode errCode = 0;
 
 	constexpr Error() noexcept = default;
 
-	explicit constexpr Error(
-		ox::CString file,
-		uint32_t const line,
-		ErrorCode const errCode,
-		ox::CString msg = nullptr) noexcept:
-		msg{msg},
-		file{file},
-		line{static_cast<uint16_t>(line)},
-		errCode{errCode} {}
-
 	explicit constexpr Error(
 		ErrorCode const errCode,
 		std::source_location const&src = std::source_location::current()) noexcept:
-		file{src.file_name()},
+		src{src},
-		line{static_cast<uint16_t>(src.line())},
 		errCode{errCode}
 	{}
 
@@ -65,9 +53,8 @@ struct [[nodiscard]] Error {
 		ErrorCode const errCode,
 		ox::CString msg,
 		std::source_location const&src = std::source_location::current()) noexcept:
+		src{src},
 		msg{msg},
-		file{src.file_name()},
-		line{static_cast<uint16_t>(src.line())},
 		errCode{errCode}
 	{}
 
@@ -89,42 +76,31 @@ constexpr auto toStr(Error const&err) noexcept {
 }
 
 struct Exception: public std::exception {
+	std::source_location src;
 	ox::CString msg = nullptr;
-	ox::CString file = nullptr;
-	uint16_t line = 0;
 	ErrorCode errCode = 0;
 
-	explicit inline Exception(ox::CString file, uint32_t line, ErrorCode errCode, char const*msg = "") noexcept {
+	explicit Exception(
-		this->file = file;
-		this->line = static_cast<uint16_t>(line);
-		this->msg = msg;
-		this->errCode = errCode;
-	}
-
-	explicit inline Exception(
 		ErrorCode const errCode,
 		std::source_location const&src = std::source_location::current()) noexcept:
-		file{src.file_name()},
+		src{src},
-		line{static_cast<uint16_t>(src.line())},
 		errCode{errCode} {}
 
-	explicit inline Exception(
+	explicit Exception(
 		ErrorCode const errCode,
 		ox::CString msg,
 		std::source_location const&src = std::source_location::current()) noexcept:
+		src{src},
 		msg{msg},
-		file{src.file_name()},
-		line{static_cast<uint16_t>(src.line())},
 		errCode{errCode} {}
 
-	explicit inline Exception(Error const&err) noexcept:
+	explicit Exception(Error const&err) noexcept:
+		src{err.src},
 		msg{err.msg ? err.msg : ""},
-		file{err.file},
-		line{err.line},
 		errCode{err.errCode} {}
 
 	constexpr Error toError() const noexcept {
-		return Error(file, line, errCode, msg);
+		return Error(errCode, msg, src);
 	}
 
 	[[nodiscard]]
@@ -133,6 +109,7 @@ struct Exception: public std::exception {
 	}
 };
 
+[[noreturn]]
 void panic(char const*file, int line, char const*panicMsg, Error const&err) noexcept;
 
 template<typename T>

deps/ox/src/ox/std/hashmap.hpp

@@ -11,7 +11,6 @@
 #include "algorithm.hpp"
 #include "hash.hpp"
 #include "ignore.hpp"
-#include "optional.hpp"
 #include "stringview.hpp"
 #include "strops.hpp"
 #include "vector.hpp"
@@ -27,12 +26,11 @@ class HashMap {
 
 	private:
 		struct Pair {
-			UPtr<Pair> next;
 			K key = {};
 			T value{};
 		};
 		Vector<K> m_keys;
-		Vector<UPtr<Pair>> m_pairs;
+		Vector<Pair*> m_pairs;
 
 	public:
 		explicit constexpr HashMap(std::size_t size = 127);
@@ -75,10 +73,10 @@ class HashMap {
 		constexpr void expand();
 
 		template<typename KK>
-		constexpr UPtr<Pair> const &access(Vector<UPtr<Pair>> const &pairs, KK const &key) const;
+		constexpr Pair *const&access(Vector<Pair*> const&pairs, KK const&key) const;
 
 		template<typename KK>
-		constexpr UPtr<Pair> &access(Vector<UPtr<Pair>> &pairs, KK const &key);
+		constexpr Pair *&access(Vector<Pair*> &pairs, KK const&key);
 
 };
 
@@ -87,13 +85,14 @@ constexpr HashMap<K, T>::HashMap(std::size_t size): m_pairs(size) {
 }
 
 template<typename K, typename T>
-constexpr HashMap<K, T>::HashMap(HashMap const &other) {
+constexpr HashMap<K, T>::HashMap(HashMap<K, T> const&other) {
-	operator=(other);
+	m_pairs = other.m_pairs;
 }
 
 template<typename K, typename T>
-constexpr HashMap<K, T>::HashMap(HashMap &&other) noexcept {
+constexpr HashMap<K, T>::HashMap(HashMap<K, T> &&other) noexcept {
-	operator=(std::move(other));
+	m_keys = std::move(other.m_keys);
+	m_pairs = std::move(other.m_pairs);
 }
 
 template<typename K, typename T>
@@ -102,7 +101,7 @@ constexpr HashMap<K, T>::~HashMap() {
 }
 
 template<typename K, typename T>
-constexpr bool HashMap<K, T>::operator==(HashMap const &other) const {
+constexpr bool HashMap<K, T>::operator==(HashMap const&other) const {
 	if (m_keys != other.m_keys) {
 		return false;
 	}
@@ -116,25 +115,19 @@ constexpr bool HashMap<K, T>::operator==(HashMap const &other) const {
 }
 
 template<typename K, typename T>
-constexpr HashMap<K, T> &HashMap<K, T>::operator=(HashMap const &other) {
+constexpr HashMap<K, T> &HashMap<K, T>::operator=(HashMap<K, T> const&other) {
 	if (this != &other) {
 		clear();
 		m_keys = other.m_keys;
-		m_pairs.resize(other.m_pairs.size());
+		m_pairs = other.m_pairs;
-		for (auto const&k : m_keys) {
-			auto const &src = access(other.m_pairs, k);
-			auto &dst = access(m_pairs, k);
-			dst = ox::make_unique<Pair>();
-			dst->key = src->key;
-			dst->value = src->value;
-		}
 	}
 	return *this;
 }
 
 template<typename K, typename T>
-constexpr HashMap<K, T> &HashMap<K, T>::operator=(HashMap &&other) noexcept {
+constexpr HashMap<K, T> &HashMap<K, T>::operator=(HashMap<K, T> &&other) noexcept {
 	if (this != &other) {
+		clear();
 		m_keys = std::move(other.m_keys);
 		m_pairs = std::move(other.m_pairs);
 	}
@@ -142,52 +135,60 @@ constexpr HashMap<K, T> &HashMap<K, T>::operator=(HashMap &&other) noexcept {
 }
 
 template<typename K, typename T>
-constexpr T &HashMap<K, T>::operator[](MaybeView_t<K> const &key) {
+constexpr T &HashMap<K, T>::operator[](MaybeView_t<K> const&k) {
-	auto p = &access(m_pairs, key);
+	auto p = &access(m_pairs, k);
 	if (*p == nullptr) {
 		if (static_cast<double>(m_pairs.size()) * 0.7 <
 			 static_cast<double>(m_keys.size())) {
 			expand();
-			p = &access(m_pairs, key);
+			p = &access(m_pairs, k);
 		}
-		*p = ox::make_unique<Pair>();
+		*p = new Pair;
-		(*p)->key = key;
+		(*p)->key = k;
-		m_keys.emplace_back(key);
+		m_keys.emplace_back(k);
 	}
 	return (*p)->value;
 }
 
 template<typename K, typename T>
-constexpr Result<T*> HashMap<K, T>::at(MaybeView_t<K> const &key) noexcept {
+constexpr Result<T*> HashMap<K, T>::at(MaybeView_t<K> const&k) noexcept {
-	auto &p = access(m_pairs, key);
+	auto p = access(m_pairs, k);
 	if (!p) {
-		return ox::Error{1, "value not found for given key"};
+		return {nullptr, ox::Error(1, "value not found for given key")};
 	}
 	return &p->value;
 }
 
 template<typename K, typename T>
-constexpr Result<const T*> HashMap<K, T>::at(MaybeView_t<K> const &key) const noexcept {
+constexpr Result<const T*> HashMap<K, T>::at(MaybeView_t<K> const&k) const noexcept {
-	auto &p = access(m_pairs, key);
+	auto p = access(m_pairs, k);
 	if (!p) {
-		return ox::Error{1, "value not found for given key"};
+		return {nullptr, ox::Error(1, "value not found for given key")};
 	}
 	return &p->value;
 }
 
 template<typename K, typename T>
-constexpr void HashMap<K, T>::erase(MaybeView_t<K> const &key) {
+constexpr void HashMap<K, T>::erase(MaybeView_t<K> const&k) {
-	if (!contains(key)) {
+	if (!contains(k)) {
 		return;
 	}
-	auto &c = access(m_pairs, key);
+	auto h = ox::hash<MaybeView_t<K>>{}(k) % m_pairs.size();
-	c = std::move(c->next);
+	while (true) {
-	std::ignore = m_keys.erase(ox::find(m_keys.begin(), m_keys.end(), key));
+		const auto &p = m_pairs[h];
+		if (p == nullptr || p->key == k) {
+			std::ignore = m_pairs.erase(h);
+			break;
+		} else {
+			h = ox::hash<MaybeView_t<K>>{}(k) % m_pairs.size();
+		}
+	}
+	std::ignore = m_keys.erase(ox::find(m_keys.begin(), m_keys.end(), k));
 }
 
 template<typename K, typename T>
-constexpr bool HashMap<K, T>::contains(MaybeView_t<K> const &key) const noexcept {
+constexpr bool HashMap<K, T>::contains(MaybeView_t<K> const&k) const noexcept {
-	return access(m_pairs, key).get() != nullptr;
+	return access(m_pairs, k) != nullptr;
 }
 
 template<typename K, typename T>
@@ -203,26 +204,27 @@ constexpr Vector<K> const&HashMap<K, T>::keys() const noexcept {
 template<typename K, typename T>
 constexpr Vector<T> HashMap<K, T>::values() const noexcept {
 	Vector<T> out;
-	out.reserve(m_keys.size());
+	out.reserve(m_pairs.size());
-	for (auto const &p : m_pairs) {
+	for (auto const&p : m_pairs) {
-		if (out) {
+		out.emplace_back(p->value);
-			out.emplace_back(p->value);
-		}
 	}
 	return out;
 }
 
 template<typename K, typename T>
 constexpr void HashMap<K, T>::clear() {
+	for (std::size_t i = 0; i < m_pairs.size(); i++) {
+		delete m_pairs[i];
+	}
 	m_pairs.clear();
 	m_pairs.resize(127);
 }
 
 template<typename K, typename T>
 constexpr void HashMap<K, T>::expand() {
-	Vector<UPtr<Pair>> r{m_pairs.size() * 2};
+	Vector<Pair*> r(m_pairs.size() * 2);
 	for (std::size_t i = 0; i < m_keys.size(); ++i) {
-		auto const &k = m_keys[i];
+		auto const&k = m_keys[i];
 		access(r, k) = std::move(access(m_pairs, k));
 	}
 	m_pairs = std::move(r);
@@ -230,39 +232,29 @@ constexpr void HashMap<K, T>::expand() {
 
 template<typename K, typename T>
 template<typename KK>
-constexpr UPtr<typename HashMap<K, T>::Pair> const &HashMap<K, T>::access(
+constexpr typename HashMap<K, T>::Pair *const&HashMap<K, T>::access(Vector<Pair*> const&pairs, KK const&k) const {
-		Vector<UPtr<Pair>> const& pairs,
+	auto h = static_cast<std::size_t>(ox::hash<KK>{}(k) % pairs.size());
-		KK const &key) const {
-	auto const h = static_cast<std::size_t>(ox::hash<KK>{}(key) % pairs.size());
-	auto const &p = *pairs.at(h).unwrap();
-	if (p == nullptr || p->key == key) {
-		return p;
-	}
-	auto c = &p->next;
 	while (true) {
-		if (*c == nullptr || (*c)->key == key) {
+		auto const&p = *pairs.at(h).unwrap();
-			return *c;
+		if (p == nullptr || p->key == k) {
+			return p;
+		} else {
+			h = (h + 1) % pairs.size();
 		}
-		c = &(*c)->next;
 	}
 }
 
 template<typename K, typename T>
 template<typename KK>
-constexpr UPtr<typename HashMap<K, T>::Pair> &HashMap<K, T>::access(
+constexpr typename HashMap<K, T>::Pair *&HashMap<K, T>::access(Vector<Pair*> &pairs, KK const&k) {
-		Vector<UPtr<Pair>> &pairs,
+	auto h = static_cast<std::size_t>(ox::hash<KK>{}(k) % pairs.size());
-		KK const &key) {
-	auto const h = static_cast<std::size_t>(ox::hash<KK>{}(key) % pairs.size());
-	auto &p = *pairs.at(h).unwrap();
-	if (p == nullptr || p->key == key) {
-		return p;
-	}
-	auto c = &p->next;
 	while (true) {
-		if (*c == nullptr || (*c)->key == key) {
+		auto &p = *pairs.at(h).unwrap();
-			return *c;
+		if (p == nullptr || p->key == k) {
+			return p;
+		} else {
+			h = (h + 1) % pairs.size();
 		}
-		c = &(*c)->next;
 	}
 }
 

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

@@ -260,12 +260,12 @@ constexpr bool operator==(const UniquePtr<T> &p1, const UniquePtr<T> &p2) noexce
 
 template<typename T>
 constexpr bool operator==(const UniquePtr<T> &p1, std::nullptr_t) noexcept {
-	return p1.get() == nullptr;
+	return p1.get();
 }
 
 template<typename T>
 constexpr bool operator==(std::nullptr_t, const UniquePtr<T> &p2) noexcept {
-	return p2.get() == nullptr;
+	return p2.get();
 }
 
 

deps/ox/src/ox/std/reader.hpp

@@ -31,7 +31,6 @@ concept Reader_c = requires(T v) {
 class Reader_v {
 	public:
 		virtual constexpr ~Reader_v() noexcept = default;
-		[[nodiscard]]
 		virtual constexpr ox::Result<char> peek() const noexcept = 0;
 		virtual constexpr ox::Result<std::size_t> read(char*, std::size_t) noexcept = 0;
 		virtual constexpr ox::Result<std::size_t> tellg() noexcept = 0;

deps/ox/src/ox/std/realstd.hpp

@@ -12,4 +12,13 @@
 #include <cassert>
 #else
 #define	assert(e) while (!(e));
+#endif
+
+#if __has_include(<cstdlib>)
+#include <cstdlib>
+#else
+extern "C" {
+[[noreturn]]
+void abort();
+}
 #endif

deps/ox/src/ox/std/smallmap.hpp

@@ -62,6 +62,9 @@ class SmallMap {
 		[[nodiscard]]
 		constexpr Vector<K> keys() const noexcept;
 
+		[[nodiscard]]
+		constexpr Vector<T> values() const noexcept;
+
 		[[nodiscard]]
 		constexpr K const&key(size_t i) const noexcept;
 
@@ -82,14 +85,22 @@ class SmallMap {
 			return m_pairs;
 		}
 
+		[[nodiscard]]
+		constexpr ox::Span<Pair> pairs() noexcept {
+			return m_pairs;
+		}
+
 		constexpr void clear();
 
 	private:
 		template<typename KK>
-		constexpr Pair const&access(PairVector const&pairs, KK const&key, bool &isNew) const;
+		constexpr Pair const*access(PairVector const&pairs, KK const&key, bool &isNew) const;
 
 		template<typename KK>
-		constexpr Pair &access(PairVector &pairs, KK const&key, bool &isNew);
+		constexpr Pair *access(PairVector &pairs, KK const&key, bool &isNew);
+
+		template<typename KK>
+		constexpr Pair *accessNoCreate(PairVector &pairs, KK const&key);
 
 };
 
@@ -129,7 +140,7 @@ constexpr SmallMap<K, T, SmallSz> &SmallMap<K, T, SmallSz>::operator=(SmallMap<K
 template<typename K, typename T, size_t SmallSz>
 constexpr T &SmallMap<K, T, SmallSz>::operator[](MaybeView_t<K> const&k) {
 	bool isNew{};
-	auto p = &access(m_pairs, k, isNew);
+	auto p = access(m_pairs, k, isNew);
 	if (isNew) {
 		p->key = k;
 	}
@@ -138,7 +149,7 @@ constexpr T &SmallMap<K, T, SmallSz>::operator[](MaybeView_t<K> const&k) {
 
 template<typename K, typename T, size_t SmallSz>
 constexpr Result<T*> SmallMap<K, T, SmallSz>::at(MaybeView_t<K> const&k) noexcept {
-	auto p = access(m_pairs, k);
+	auto const p = accessNoCreate(m_pairs, k);
 	if (!p) {
 		return {nullptr, ox::Error(1, "value not found for given key")};
 	}
@@ -147,7 +158,8 @@ constexpr Result<T*> SmallMap<K, T, SmallSz>::at(MaybeView_t<K> const&k) noexcep
 
 template<typename K, typename T, size_t SmallSz>
 constexpr Result<const T*> SmallMap<K, T, SmallSz>::at(MaybeView_t<K> const&k) const noexcept {
-	auto p = access(m_pairs, k);
+	bool isNew{};
+	auto p = access(m_pairs, k, isNew);
 	if (!p) {
 		return {nullptr, ox::Error(1, "value not found for given key")};
 	}
@@ -168,7 +180,8 @@ constexpr void SmallMap<K, T, SmallSz>::erase(MaybeView_t<K> const&k) {
 
 template<typename K, typename T, size_t SmallSz>
 constexpr bool SmallMap<K, T, SmallSz>::contains(MaybeView_t<K> const&k) const noexcept {
-	return access(m_pairs, k) != nullptr;
+	bool isNew{};
+	return access(m_pairs, k, isNew) != nullptr;
 }
 
 template<typename K, typename T, size_t SmallSz>
@@ -186,6 +199,16 @@ constexpr Vector<K> SmallMap<K, T, SmallSz>::keys() const noexcept {
 	return keys;
 }
 
+template<typename K, typename T, size_t SmallSz>
+constexpr Vector<T> SmallMap<K, T, SmallSz>::values() const noexcept {
+	ox::Vector<T> keys;
+	keys.reserve(m_pairs.size());
+	for (auto const&p : m_pairs) {
+		keys.emplace_back(p.key);
+	}
+	return keys;
+}
+
 template<typename K, typename T, size_t SmallSz>
 constexpr K const&SmallMap<K, T, SmallSz>::key(size_t i) const noexcept {
 	return m_pairs[i].key;
@@ -218,30 +241,42 @@ constexpr void SmallMap<K, T, SmallSz>::clear() {
 
 template<typename K, typename T, size_t SmallSz>
 template<typename KK>
-constexpr typename SmallMap<K, T, SmallSz>::Pair const&SmallMap<K, T, SmallSz>::access(
+constexpr typename SmallMap<K, T, SmallSz>::Pair const*SmallMap<K, T, SmallSz>::access(
 		PairVector const&pairs, KK const&k, bool &isNew) const {
 	for (auto const&p : pairs) {
 		if (p.key == k) {
 			isNew = false;
-			return p;
+			return &p;
 		}
 	}
 	isNew = true;
-	return pairs.emplace_back();
+	return nullptr;
 }
 
 template<typename K, typename T, size_t SmallSz>
 template<typename KK>
-constexpr typename SmallMap<K, T, SmallSz>::Pair &SmallMap<K, T, SmallSz>::access(
+constexpr typename SmallMap<K, T, SmallSz>::Pair *SmallMap<K, T, SmallSz>::access(
 		PairVector &pairs, KK const&k, bool &isNew) {
 	for (auto &p : pairs) {
 		if (p.key == k) {
 			isNew = false;
-			return p;
+			return &p;
 		}
 	}
 	isNew = true;
-	return pairs.emplace_back();
+	return &pairs.emplace_back();
+}
+
+template<typename K, typename T, size_t SmallSz>
+template<typename KK>
+constexpr typename SmallMap<K, T, SmallSz>::Pair *SmallMap<K, T, SmallSz>::accessNoCreate(
+		PairVector &pairs, KK const&k) {
+	for (auto &p : pairs) {
+		if (p.key == k) {
+			return &p;
+		}
+	}
+	return nullptr;
 }
 
 template<typename T, typename K, typename V, size_t SmallSz>

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

@@ -14,7 +14,7 @@
 #include "iterator.hpp"
 #include "vector.hpp"
 
-OX_CLANG_NOWARN_BEGIN(-Wunsafe-buffer-usage)
+OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 
 namespace ox {
 
@@ -133,7 +133,7 @@ class Span {
 			return m_items[i];
 		}
 
-		constexpr const T &operator[](std::size_t i) const noexcept {
+		constexpr T const&operator[](std::size_t i) const noexcept {
 			ox::primitiveAssert(__FILE__, __LINE__, i < size(), "Span access overflow");
 			return m_items[i];
 		}
@@ -168,8 +168,20 @@ class Span {
 };
 
 template<typename T>
-using SpanView = Span<const T>;
+using SpanView = Span<T const>;
+
+template<typename T>
+constexpr void spancpy(ox::Span<T> const dst, ox::SpanView<T> const src) noexcept {
+	auto const sz = ox::min(dst.size(), src.size());
+	if (std::is_constant_evaluated() || std::is_trivially_copyable_v<T>) {
+		for (size_t i{}; i < sz; ++i) {
+			dst.data()[i] = src.data()[i];
+		}
+	} else {
+		memcpy(dst.data(), src.data(), sz * sizeof(T));
+	}
+}
 
 }
 
-OX_CLANG_NOWARN_END
+OX_ALLOW_UNSAFE_BUFFERS_END

deps/ox/src/ox/std/test/CMakeLists.txt

@@ -17,6 +17,8 @@ add_test("[ox/std] String" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "String")
 add_test("[ox/std] SmallMap" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "SmallMap")
 add_test("[ox/std] SmallMap2" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "SmallMap2")
 add_test("[ox/std] Vector" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "Vector")
+add_test("[ox/std] Vector::shrink_to_fit" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "Vector::shrink_to_fit")
+add_test("[ox/std] findIdx" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "findIdx")
 add_test("[ox/std] HashMap" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "HashMap")
 add_test("[ox/std] HeapMgr" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest malloc)
 add_test("[ox/std] Serialize-Int" ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/StdTest "Serialize-Int")

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

@@ -237,6 +237,50 @@ OX_CLANG_NOWARN_END
 			return ox::Error(0);
 		}
 	},
+	{
+		"Vector::shrink_to_fit",
+		[] {
+			{
+				ox::Vector<ox::IString<8>> v;
+				v.reserve(50);
+				v.emplace_back("asdf");
+				v.emplace_back("aoeu");
+				auto const origData = v.data();
+				v.shrink_to_fit();
+				oxExpect(v[0], "asdf");
+				oxExpect(v[1], "aoeu");
+				oxExpect(v.capacity(), 2u);
+				oxAssert(origData != v.data(), "shrink_to_fit did not create a new allocation");
+			}
+			{
+				ox::Vector<ox::IString<8>> v;
+				v.reserve(2);
+				v.emplace_back("asdf");
+				v.emplace_back("aoeu");
+				auto const origData = v.data();
+				v.shrink_to_fit();
+				oxExpect(v[0], "asdf");
+				oxExpect(v[1], "aoeu");
+				oxExpect(v.capacity(), 2u);
+				oxAssert(origData == v.data(), "shrink_to_fit inappropriately created a new allocation");
+			}
+			return ox::Error{};
+		}
+	},
+	{
+		"findIdx",
+		[] {
+			ox::Vector<ox::IString<8>> const v {"zero", "one", "two", "three", "four"};
+			oxExpect(ox::findIdx(v.begin(), v.end(), "zero").or_value(5), 0u);
+			oxExpect(ox::findIdx(v.begin(), v.end(), "one").or_value(5), 1u);
+			oxExpect(ox::findIdx(v.begin(), v.end(), "two").or_value(5), 2u);
+			oxExpect(ox::findIdx(v.begin(), v.end(), "three").or_value(5), 3u);
+			oxExpect(ox::findIdx(v.begin(), v.end(), "four").or_value(5), 4u);
+			oxExpect(ox::findIdx(v.begin(), v.end(), "five").or_value(5), 5u);
+			oxExpect(ox::findIdx(v.begin(), v.end(), "six").or_value(6), 6u);
+			return ox::Error{};
+		}
+	},
 	{
 		"SmallMap",
 		[] {
@@ -246,7 +290,18 @@ OX_CLANG_NOWARN_END
 			oxExpect(map.size(), 1u);
 			oxExpect(map["aoeu"], "");
 			oxExpect(map.size(), 2u);
-			return ox::Error(0);
+			ox::SmallMap<ox::String, ox::String> cmap;
+			cmap["asdf"] = "aoeu";
+			auto constexpr constTest = [](ox::SmallMap<ox::String, ox::String> const&map) {
+				OX_REQUIRE(asdf, map.at("asdf"));
+				oxExpect(*asdf, "aoeu");
+				oxExpect(map.size(), 1u);
+				auto const aoeu = map.at("aoeu");
+				oxExpect(aoeu.ok(), false);
+				oxExpect(map.size(), 1u);
+				return ox::Error{};
+			};
+			return constTest(cmap);
 		}
 	},
 	{
@@ -273,16 +328,6 @@ OX_CLANG_NOWARN_END
 			si["aoeu"] = 100;
 			oxAssert(si["asdf"] == 42, "asdf != 42");
 			oxAssert(si["aoeu"] == 100, "aoeu != 100");
-			si.erase("asdf");
-			oxAssert(!si.contains("asdf"), "wrongly contains asdf");
-			oxAssert(si.contains("aoeu"), "does not contains aoeu");
-			oxAssert(!si.at("asdf").ok(), "asdf != 0");
-			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;
 			ii[4] = 42;
 			ii[5] = 100;

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

@@ -269,8 +269,8 @@ 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");
-		if (err.file != nullptr) {
+		if (err.src.file_name() != nullptr) {
-			trc << "Error: (" << err.file << ":" << err.line << "):";
+			trc << "Error: (" << err.src.file_name() << ":" << err.src.line() << "):";
 		} else {
 			trc <<  "Error:";
 		}
@@ -282,8 +282,8 @@ inline void logError(const char *file, int line, const Error &err) noexcept {
 	if (err) {
 		TraceStream trc(file, line, "ox::error");
 		trc <<  "Error:" << err;
-		if (err.file != nullptr) {
+		if (err.src.file_name() != nullptr) {
-			trc << "(" << err.file << ":" << err.line << ")";
+			trc << "(" << err.src.file_name() << ":" << err.src.line() << ")";
 		}
 	}
 }

deps/ox/src/ox/std/typetraits.hpp

@@ -19,12 +19,15 @@
 namespace std {
 
 template<typename T>
-constexpr bool is_union_v = __is_union(T);
+inline constexpr bool is_union_v = __is_union(T);
 
-constexpr bool is_constant_evaluated() noexcept {
+inline constexpr bool is_constant_evaluated() noexcept {
 	return __builtin_is_constant_evaluated();
 }
 
+template<typename T>
+inline constexpr bool is_trivially_copyable_v = __is_trivially_copyable(T);
+
 }
 
 #endif
@@ -156,6 +159,9 @@ static_assert(is_class<int>::value == false);
 template<typename T>
 constexpr bool is_class_v = is_class<T>();
 
+template<typename T>
+inline constexpr bool is_trivially_copyable_v = std::is_trivially_copyable_v<T>;
+
 template<typename T>
 constexpr bool is_signed_v = integral_constant<bool, T(-1) < T(0)>::value;
 

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

@@ -313,6 +313,8 @@ class Vector: detail::VectorAllocator<T, Allocator, SmallVectorSize> {
 
 		constexpr void reserve(std::size_t cap) noexcept(useNoexcept);
 
+		constexpr void shrink_to_fit() noexcept(useNoexcept);
+
 	private:
 		constexpr void reserveInsert(
 				std::size_t cap, std::size_t pos, std::size_t offset = 1) noexcept(useNoexcept);
@@ -341,6 +343,7 @@ constexpr Vector<T, SmallVectorSize, Allocator>::Vector(std::size_t size) noexce
 
 template<typename T, std::size_t SmallVectorSize, typename Allocator>
 constexpr Vector<T, SmallVectorSize, Allocator>::Vector(std::initializer_list<T> list) noexcept {
+	reserve(list.size());
 	for (auto &item : list) {
 		emplace_back(std::move(item));
 	}
@@ -675,6 +678,24 @@ constexpr void Vector<T, SmallVectorSize, Allocator>::reserve(std::size_t cap) n
 	}
 }
 
+template<typename T, std::size_t SmallVectorSize, typename Allocator>
+constexpr void Vector<T, SmallVectorSize, Allocator>::shrink_to_fit() noexcept(useNoexcept)  {
+	if (m_size == m_cap) {
+		return;
+	}
+	const auto oldItems = m_items;
+	const auto oldCap = m_cap;
+	m_cap = m_size;
+	this->allocate(&m_items, m_size);
+	if (oldItems) { // move over old items
+		for (std::size_t i = 0; i < m_size; ++i) {
+			std::construct_at(&m_items[i], std::move(oldItems[i]));
+			oldItems[i].~T();
+		}
+		this->deallocate(oldItems, oldCap);
+	}
+}
+
 template<typename T, std::size_t SmallVectorSize, typename Allocator>
 constexpr void Vector<T, SmallVectorSize, Allocator>::reserveInsert(
 		std::size_t cap,

deps/teagba/src/cstartup.cpp

@@ -4,17 +4,20 @@
 
 #include <ox/std/heapmgr.hpp>
 
+#include <teagba/bios.hpp>
+#include <teagba/registers.hpp>
+
 namespace mgba {
 void initConsole();
 }
 
-#define MEM_EWRAM_BEGIN reinterpret_cast<char*>(0x02000000)
+#define MEM_HEAP_BEGIN reinterpret_cast<char*>(0x02000000)
-#define MEM_EWRAM_END   reinterpret_cast<char*>(0x0203FFFF)
+#define MEM_HEAP_END   reinterpret_cast<char*>(0x0203FFFF)
 
-#define HEAP_BEGIN reinterpret_cast<char*>(MEM_EWRAM_BEGIN)
+#define HEAP_BEGIN reinterpret_cast<char*>(MEM_HEAP_BEGIN)
 // set size to half of EWRAM
-#define HEAP_SIZE ((MEM_EWRAM_END - MEM_EWRAM_BEGIN) / 2)
+#define HEAP_SIZE ((MEM_HEAP_END - MEM_HEAP_BEGIN) / 2)
-#define HEAP_END  reinterpret_cast<char*>(MEM_EWRAM_BEGIN + HEAP_SIZE)
+#define HEAP_END  reinterpret_cast<char*>(MEM_HEAP_BEGIN + HEAP_SIZE)
 
 extern void (*__preinit_array_start[]) (void);
 extern void (*__preinit_array_end[]) (void);
@@ -25,6 +28,14 @@ int main(int argc, const char **argv);
 
 extern "C" {
 
+void abort() {
+	REG_IE = 0;
+	teagba::intrwait(0, 0);
+	while (true);
+}
+
+void *__gxx_personality_v0{};
+
 void __libc_init_array() {
 	auto preInits = __preinit_array_end - __preinit_array_start;
 	for (decltype(preInits) i = 0; i < preInits; i++) {

developer-handbook.md

@@ -162,11 +162,9 @@ The Ox way of doing things is the Olympic way of doing things.
 
 ### Error Handling
 
-The GBA build has exceptions disabled.
+Instead of throwing exceptions, generally try to use
-Instead of throwing exceptions, all engine code should return
+[ox::Errors](deps/ox/ox-docs.md#error-handling) for error reporting,
-[ox::Errors](deps/ox/ox-docs.md#error-handling) for error reporting.
+but exceptions may be used where they make sense.
-For the sake of consistency, try to stick to ```ox::Error``` in non-engine code
-as well, but non-engine code is free to use exceptions when they make sense.
 
 Exceptions should generally just use ```OxException```, which is bascially an
 exception form of ```ox::Error```.

src/nostalgia/modules/CMakeLists.txt

@@ -1,6 +1,6 @@
 # module dir list
 
-add_subdirectory(core)
+add_subdirectory(gfx)
 add_subdirectory(scene)
 
 # module libraries

src/nostalgia/modules/core/include/nostalgia/core/context.hpp

@@ -1,33 +0,0 @@
-/*
- * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
- */
-
-#pragma once
-
-#include <ox/fs/fs.hpp>
-#include <ox/model/desctypes.hpp>
-#include <ox/std/buffer.hpp>
-#include <ox/std/size.hpp>
-
-#include <turbine/context.hpp>
-
-#include "initparams.hpp"
-
-namespace nostalgia::core {
-
-class Context;
-
-struct ContextDeleter {
-	void operator()(Context *p) noexcept;
-};
-
-using ContextUPtr = ox::UPtr<Context, ContextDeleter>;
-
-ox::Result<ContextUPtr> init(turbine::Context &tctx, InitParams const&params = {}) noexcept;
-
-keel::Context &keelCtx(Context &ctx) noexcept;
-
-turbine::Context &turbineCtx(Context &ctx) noexcept;
-
-}
-

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

@@ -7,12 +7,12 @@
 #include <ox/std/math.hpp>
 #include <ox/std/types.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 using Color16 = uint16_t;
 
 /**
- * Nostalgia Core logically uses 16 bit colors, but must translate that to 32
+ * Nostalgia logically uses 16 bit colors, but must translate that to 32
  * bit colors in some implementations.
  */
 using Color32 = uint32_t;
@@ -154,7 +154,7 @@ static_assert(color16(16, 32, 8) == 9200);
 
 [[nodiscard]]
 constexpr Color16 applySelectionColor(Color16 const color) noexcept {
-	namespace core = nostalgia::core;
+	namespace core = nostalgia::gfx;
 	auto const r = core::red16(color) / 2;
 	auto const g = (core::green16(color) + 20) / 2;
 	auto const b = (core::blue16(color) + 31) / 2;

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

@@ -6,7 +6,7 @@
 
 #include <ox/std/stringliteral.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 constexpr auto TileWidth = 8;
 constexpr auto TileHeight = 8;

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

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#pragma once
+
+#include <ox/std/memory.hpp>
+
+#include <turbine/context.hpp>
+
+#include "initparams.hpp"
+
+namespace nostalgia::gfx {
+
+class Context;
+
+void safeDelete(Context *ctx) noexcept;
+
+ox::Result<ox::UPtr<Context>> init(turbine::Context &tctx, InitParams const&params = {}) noexcept;
+
+keel::Context &keelCtx(Context &ctx) noexcept;
+
+turbine::Context &turbineCtx(Context &ctx) noexcept;
+
+}
+

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

@@ -13,10 +13,10 @@
 #include "palette.hpp"
 #include "tilesheet.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 struct Sprite {
-	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.Sprite";
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.Sprite";
 	static constexpr auto TypeVersion = 1;
 	bool enabled = false;
 	int x = 0;
@@ -46,7 +46,7 @@ OX_MODEL_BEGIN(Sprite)
 OX_MODEL_END()
 
 struct BgTile {
-	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.BgTile";
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.BgTile";
 	static constexpr auto TypeVersion = 1;
 	unsigned tileIdx = 0;
 	unsigned palBank = 0;
@@ -62,7 +62,7 @@ OX_MODEL_BEGIN(BgTile)
 OX_MODEL_END()
 
 struct TileSheetSetEntrySection {
-	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.TileSheetSetEntrySection";
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.TileSheetSetEntrySection";
 	static constexpr auto TypeVersion = 1;
 	int32_t begin = 0;
 	int32_t tiles = 0;
@@ -78,7 +78,7 @@ OX_MODEL_BEGIN(TileSheetSetEntrySection)
 OX_MODEL_END()
 
 struct TileSheetSetEntry {
-	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.TileSheetSetEntry";
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.TileSheetSetEntry";
 	static constexpr auto TypeVersion = 1;
 	ox::FileAddress tilesheet;
 	ox::Vector<TileSheetSetEntrySection> sections;
@@ -90,7 +90,7 @@ OX_MODEL_BEGIN(TileSheetSetEntry)
 OX_MODEL_END()
 
 struct TileSheetSet {
-	static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.TileSheetSet";
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.TileSheetSet";
 	static constexpr auto TypeVersion = 1;
 	static constexpr auto Preloadable = true;
 	int32_t bpp = 0;
@@ -102,8 +102,6 @@ OX_MODEL_BEGIN(TileSheetSet)
 	OX_MODEL_FIELD(entries)
 OX_MODEL_END()
 
-void addEntry(TileSheetSet &set, ox::FileAddress path, int32_t begin = 0, int32_t size = -1) noexcept;
-
 [[nodiscard]]
 int tileColumns(Context&) noexcept;
 
@@ -144,6 +142,10 @@ ox::Error loadBgTileSheet(
 		unsigned cbb,
 		TileSheetSet const&set) noexcept;
 
+void clearCbb(Context &ctx, unsigned cbb) noexcept;
+
+void clearCbbs(Context &ctx) noexcept;
+
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned cbb,
@@ -240,15 +242,15 @@ void puts(Context &ctx, int column, int row, ox::StringViewCR str) noexcept;
 
 }
 
-namespace nostalgia::core::gl {
+namespace nostalgia::gfx::gl {
 
 constexpr ox::CStringView GlslVersion = "#version 330";
 
 [[nodiscard]]
 ox::Size drawSize(int scale = 5) noexcept;
 
-void draw(core::Context &ctx, ox::Size const&renderSz) noexcept;
+void draw(gfx::Context &ctx, ox::Size const&renderSz) noexcept;
 
-void draw(core::Context&, int scale = 5) noexcept;
+void draw(gfx::Context&, int scale = 5) noexcept;
 
 }

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

@@ -6,7 +6,7 @@
 
 #include <ox/std/types.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 struct InitParams {
 	bool glInstallDrawer = true;

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

@@ -6,7 +6,7 @@
 
 #include <keel/module.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 const keel::Module *keelModule() noexcept;
 

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

@@ -11,7 +11,7 @@
 
 #include "color.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 struct PaletteColorV1 {
     static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.PaletteColor";

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

@@ -8,7 +8,7 @@
 
 #include "consts.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 [[nodiscard]]
 constexpr std::size_t ptToIdx(int x, int y, int c, int scale = 1) noexcept {

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

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#pragma once
+
+#include <studio/studio.hpp>
+
+namespace nostalgia::core {
+
+}

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

@@ -6,7 +6,7 @@
 
 #include <studio/studio.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 const studio::Module *studioModule() noexcept;
 

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

@@ -5,18 +5,33 @@
 #pragma once
 
 #include <ox/fs/fs.hpp>
-#include <ox/std/array.hpp>
 #include <ox/std/point.hpp>
 #include <ox/std/size.hpp>
-#include <ox/std/span.hpp>
 #include <ox/std/types.hpp>
 #include <ox/model/def.hpp>
 
-#include <nostalgia/core/ptidxconv.hpp>
+#include <nostalgia/gfx/ptidxconv.hpp>
 
 #include "palette.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
+
+struct SubSheetTemplate {
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.SubSheetTemplate";
+	static constexpr auto TypeVersion = 1;
+	ox::String name;
+	int32_t width{};
+	int32_t height{};
+	ox::Vector<SubSheetTemplate> subsheets;
+};
+
+OX_MODEL_BEGIN(SubSheetTemplate)
+	OX_MODEL_FIELD(name)
+	OX_MODEL_FIELD(width)
+	OX_MODEL_FIELD(height)
+	OX_MODEL_FIELD(subsheets)
+OX_MODEL_END()
+
 
 // Predecessor to TileSheet, kept for backward compatibility
 struct TileSheetV1 {
@@ -212,6 +227,10 @@ struct TileSheetV4 {
 				pixels(std::move(pPixels)) {
 		}
 
+		/**
+		 *
+		 * @return the dimensional size of the SubSheet (e.g. width * height)
+		 */
 		[[nodiscard]]
 		constexpr std::size_t size() const noexcept {
 			return static_cast<std::size_t>(columns) * static_cast<std::size_t>(rows);
@@ -269,7 +288,105 @@ constexpr ox::Error repair(TileSheetV4 &ts) noexcept {
 }
 
 
-using TileSheet = TileSheetV4;
+struct TileSheetV5 {
+	using SubSheetIdx = ox::Vector<std::size_t, 4>;
+
+	struct SubSheet {
+		static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.TileSheet.SubSheet";
+		static constexpr auto TypeVersion = 5;
+		SubSheetId id = 0;
+		ox::String name;
+		int columns = 0;
+		int rows = 0;
+		ox::Vector<SubSheet> subsheets;
+		ox::Vector<uint8_t> pixels;
+
+		constexpr SubSheet() noexcept = default;
+		SubSheet(
+				SubSheetId const pId,
+				ox::StringParam pName,
+				int const pColumns,
+				int const pRows) noexcept:
+				id(pId),
+				name(std::move(pName)),
+				columns(pColumns),
+				rows(pRows),
+				pixels(static_cast<std::size_t>(columns * rows * PixelsPerTile)) {
+		}
+		SubSheet(
+				SubSheetId const pId,
+				ox::StringParam pName,
+				int const pColumns,
+				int const pRows,
+				ox::Vector<uint8_t> pPixels) noexcept:
+				id(pId),
+				name(std::move(pName)),
+				columns(pColumns),
+				rows(pRows),
+				pixels(std::move(pPixels)) {
+		}
+
+		/**
+		 *
+		 * @return the dimensional size of the SubSheet (e.g. width * height)
+		 */
+		[[nodiscard]]
+		constexpr std::size_t size() const noexcept {
+			return static_cast<std::size_t>(columns) * static_cast<std::size_t>(rows);
+		}
+
+	};
+
+	static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.TileSheet";
+	static constexpr auto TypeVersion = 5;
+	int8_t bpp = 4;
+	SubSheetId idIt = 0;
+	ox::FileAddress defaultPalette;
+	SubSheet subsheet{0, "Root", 1, 1};
+
+};
+
+[[nodiscard]]
+constexpr bool valid(TileSheetV5::SubSheet const&ss) noexcept {
+	if (ss.subsheets.empty()) {
+		return static_cast<size_t>(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) {
+			return valid(s);
+		});
+	}
+}
+
+[[nodiscard]]
+constexpr bool valid(TileSheetV5 const&ts) noexcept {
+	return (ts.bpp == 4 || ts.bpp == 8) && valid(ts.subsheet);
+}
+
+constexpr void repair(TileSheetV5::SubSheet &ss, int const bpp) noexcept {
+	if (ss.subsheets.empty()) {
+		auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile);
+		ss.pixels.resize(bytes);
+	} else {
+		ss.pixels.clear();
+		ss.columns = -1;
+		ss.rows = -1;
+	}
+	for (auto &s : ss.subsheets) {
+		repair(s, bpp);
+	}
+}
+
+constexpr ox::Error repair(TileSheetV5 &ts) noexcept {
+	if (ts.bpp != 4 && ts.bpp != 8) {
+		return ox::Error{1, "Unable to repair TileSheet"};
+	}
+	repair(ts.subsheet, ts.bpp);
+	return {};
+}
+
+
+using TileSheet = TileSheetV5;
 
 [[nodiscard]]
 std::size_t idx(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
@@ -281,7 +398,7 @@ size_t getTileCnt(TileSheet const&ts) noexcept;
 TileSheet::SubSheet const*getSubsheet(TileSheet const&ts, SubSheetId id) noexcept;
 
 [[nodiscard]]
-size_t getTileIdx(TileSheet const&ts, SubSheetId id) noexcept;
+ox::Optional<size_t> getTileIdx(TileSheet const&ts, SubSheetId id) noexcept;
 
 [[nodiscard]]
 uint8_t getPixel4Bpp(TileSheet::SubSheet const&ss, std::size_t idx) noexcept;
@@ -290,7 +407,7 @@ uint8_t getPixel4Bpp(TileSheet::SubSheet const&ss, std::size_t idx) noexcept;
 uint8_t getPixel8Bpp(TileSheet::SubSheet const&ss, std::size_t idx) noexcept;
 
 [[nodiscard]]
-uint8_t getPixel(TileSheet::SubSheet const&ss, int8_t pBpp, std::size_t idx) noexcept;
+uint8_t getPixel(TileSheet::SubSheet const&ss, std::size_t idx) noexcept;
 
 [[nodiscard]]
 uint8_t getPixel4Bpp(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
@@ -299,44 +416,24 @@ uint8_t getPixel4Bpp(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
 uint8_t getPixel8Bpp(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
 
 [[nodiscard]]
-uint8_t getPixel(TileSheet::SubSheet const&ss, int8_t pBpp, ox::Point const&pt) noexcept;
+uint8_t getPixel(TileSheet::SubSheet const&ss, ox::Point const&pt) noexcept;
 
-constexpr void walkPixels(TileSheet::SubSheet const&ss, int8_t pBpp, auto callback) noexcept {
+constexpr void walkPixels(TileSheet::SubSheet const&ss, int8_t, auto callback) noexcept {
-	if (pBpp == 4) {
+	for (std::size_t i = 0; i < ss.pixels.size(); ++i) {
-		const auto pixelCnt = ox::min<std::size_t>(
+		callback(i, ss.pixels[i]);
-				static_cast<std::size_t>(ss.columns * ss.rows * PixelsPerTile) / 2,
-				ss.pixels.size());
-		//oxAssert(pixels.size() == pixelCnt, "Pixel count does not match rows and columns");
-		for (std::size_t i = 0; i < pixelCnt; ++i) {
-			const auto colorIdx1 = static_cast<uint8_t>(ss.pixels[i] & 0xF);
-			const auto colorIdx2 = static_cast<uint8_t>(ss.pixels[i] >> 4);
-			callback(i * 2 + 0, colorIdx1);
-			callback(i * 2 + 1, colorIdx2);
-		}
-	} else {
-		const auto pixelCnt = ox::min<std::size_t>(
-				static_cast<std::size_t>(ss.columns * ss.rows * PixelsPerTile),
-				ss.pixels.size());
-		for (std::size_t i = 0; i < pixelCnt; ++i) {
-			const auto p = ss.pixels[i];
-			callback(i, p);
-		}
 	}
 }
 
-void setPixel(TileSheet::SubSheet &ss, int8_t pBpp, uint64_t idx, uint8_t palIdx) noexcept;
+void setPixel(TileSheet::SubSheet &ss, ox::Point const&pt, uint8_t palIdx) noexcept;
 
-void setPixel(TileSheet::SubSheet &ss, int8_t pBpp, ox::Point const&pt, uint8_t palIdx) noexcept;
+ox::Error setPixelCount(TileSheet::SubSheet &ss, std::size_t cnt) noexcept;
-
-ox::Error setPixelCount(TileSheet::SubSheet &ss, int8_t pBpp, std::size_t cnt) noexcept;
 
 /**
  * Gets a count of the pixels in this sheet, and not that of its children.
- * @param pBpp bits per pixel, need for knowing how to count the pixels
  * @return a count of the pixels in this sheet
  */
 [[nodiscard]]
-unsigned pixelCnt(TileSheet::SubSheet const&ss, int8_t pBpp) noexcept;
+unsigned pixelCnt(TileSheet::SubSheet const&ss) noexcept;
 
 /**
  *
@@ -344,7 +441,7 @@ unsigned pixelCnt(TileSheet::SubSheet const&ss, int8_t pBpp) noexcept;
  * @param pBpp
  * @param sz size of Subsheet in tiles (not pixels)
  */
-ox::Error resizeSubsheet(TileSheet::SubSheet &ss, int8_t pBpp, 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
@@ -400,6 +497,8 @@ ox::Result<SubSheetId> getIdFor(TileSheet const&ts, ox::StringViewCR path) noexc
 
 ox::Result<unsigned> getTileOffset(TileSheet const&ts, ox::StringViewCR pNamePath) 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 const&ts, SubSheetId pId) noexcept;
@@ -499,6 +598,22 @@ OX_MODEL_BEGIN(TileSheetV4)
 	OX_MODEL_FIELD(subsheet)
 OX_MODEL_END()
 
+OX_MODEL_BEGIN(TileSheetV5::SubSheet)
+	OX_MODEL_FIELD(id)
+	OX_MODEL_FIELD(name)
+	OX_MODEL_FIELD(rows)
+	OX_MODEL_FIELD(columns)
+	OX_MODEL_FIELD(subsheets)
+	OX_MODEL_FIELD(pixels)
+OX_MODEL_END()
+
+OX_MODEL_BEGIN(TileSheetV5)
+	OX_MODEL_FIELD(bpp)
+	OX_MODEL_FIELD(idIt)
+	OX_MODEL_FIELD(defaultPalette)
+	OX_MODEL_FIELD(subsheet)
+OX_MODEL_END()
+
 OX_MODEL_BEGIN(CompactTileSheetV1)
 	OX_MODEL_FIELD(bpp)
 	OX_MODEL_FIELD(defaultPalette)

src/nostalgia/modules/gfx/src/gba/context.cpp

@@ -4,14 +4,14 @@
 
 #include <turbine/turbine.hpp>
 
-#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/gfx/gfx.hpp>
 
 #include "context.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
-void ContextDeleter::operator()(Context *p) noexcept {
+void safeDelete(Context *ctx) noexcept {
-	ox::safeDelete(p);
+	delete ctx;
 }
 
 Context::Context(turbine::Context &tctx) noexcept: turbineCtx(tctx) {
@@ -19,10 +19,10 @@ Context::Context(turbine::Context &tctx) noexcept: turbineCtx(tctx) {
 
 ox::Error initGfx(Context &ctx, InitParams const&) noexcept;
 
-ox::Result<ContextUPtr> 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);
 	OX_RETURN_ERROR(initGfx(*ctx, params));
-	return ContextUPtr(std::move(ctx));
+	return ox::UPtr<Context>(std::move(ctx));
 }
 
 keel::Context &keelCtx(Context &ctx) noexcept {
@@ -33,4 +33,4 @@ turbine::Context &turbineCtx(Context &ctx) noexcept {
 	return ctx.turbineCtx;
 }
 
-}
+}

src/nostalgia/modules/gfx/src/gba/context.hpp

@@ -4,9 +4,9 @@
 
 #pragma once
 
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 struct BgCbbData {
 	unsigned bpp = 4;

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

@@ -11,15 +11,15 @@
 
 #include <keel/keel.hpp>
 
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
-#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/gfx/gfx.hpp>
-#include <nostalgia/core/tilesheet.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
 
 #include "context.hpp"
 
 OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 static constexpr auto SpriteCount = 128;
 
@@ -63,6 +63,19 @@ ox::Error loadSpritePalette(
 	return {};
 }
 
+void clearCbb(Context&, unsigned const cbb) noexcept {
+	for (auto &v : MEM_BG_TILES[cbb]) {
+		v = 0;
+	}
+}
+
+void clearCbbs(Context &ctx) noexcept {
+	clearCbb(ctx, 0);
+	clearCbb(ctx, 1);
+	clearCbb(ctx, 2);
+	clearCbb(ctx, 3);
+}
+
 static ox::Error loadTileSheetSet(
 		Context &ctx,
 		ox::Span<uint16_t> tileMapTargetMem,
@@ -99,10 +112,10 @@ ox::Error loadBgTileSheet(
 		size_t const tileCnt) noexcept {
 	size_t const bppMod = ts.bpp == 4;
 	size_t const bytesPerTile = PixelsPerTile >> bppMod;
-	auto const pixCnt = tileCnt * bytesPerTile;
+	auto const cnt = (tileCnt * bytesPerTile) / 2;
 	auto const srcPxIdx = srcTileIdx * bytesPerTile;
 	auto const dstPxIdx = (dstTileIdx * bytesPerTile) / 2;
-	for (size_t i = 0; i < pixCnt; ++i) {
+	for (size_t i = 0; i < cnt; ++i) {
 		auto const srcIdx = srcPxIdx + i * 2;
 		auto const p1 = static_cast<uint16_t>(ts.pixels[srcIdx]);
 		auto const p2 = static_cast<uint16_t>(ts.pixels[srcIdx + 1]);

src/nostalgia/modules/gfx/src/gba/gfx.hpp

@@ -4,8 +4,8 @@
 
 #pragma once
 
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 ox::Error initGfx(Context &ctx, InitParams const&) noexcept;
 }

src/nostalgia/modules/gfx/src/gba/panic.cpp

@@ -4,6 +4,7 @@
 
 
 #include <ox/std/def.hpp>
+#include <ox/std/realstd.hpp>
 
 #include <keel/media.hpp>
 #include <turbine/turbine.hpp>
@@ -11,7 +12,7 @@
 #include <teagba/addresses.hpp>
 #include <teagba/bios.hpp>
 
-#include <nostalgia/core/core.hpp>
+#include <nostalgia/gfx/core.hpp>
 
 #include "gfx.hpp"
 
@@ -21,7 +22,7 @@
 
 namespace ox {
 
-using namespace nostalgia::core;
+using namespace nostalgia::gfx;
 
 void panic(const char *file, int line, const char *panicMsg, ox::Error const&err) noexcept {
 	// reset heap to make sure we have enough memory to allocate context data
@@ -48,12 +49,10 @@ OX_ALLOW_UNSAFE_BUFFERS_END
 		oxErrf("\tError Message:\t{}\n", err.msg);
 	}
 	oxErrf("\tError Code:\t{}\n", static_cast<ErrorCode>(err));
-	if (err.file != nullptr) {
+	if (err.src.file_name() != nullptr) {
-		oxErrf("\tError Location:\t{}:{}\n", err.file, err.line);
+		oxErrf("\tError Location:\t{}:{}\n", err.src.file_name(), err.src.line());
 	}
-	// disable all interrupt handling and IntrWait on no interrupts
+	abort();
-	REG_IE = 0;
-	teagba::intrwait(0, 0);
 }
 
 }

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

@@ -3,9 +3,9 @@
  */
 
 #include <keel/media.hpp>
-#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/gfx/gfx.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 constexpr auto GbaTileColumns = 32;
 constexpr auto GbaTileRows = 32;

src/nostalgia/modules/gfx/src/keel/keelmodule.cpp

@@ -4,15 +4,14 @@
 
 #include <ox/model/model.hpp>
 
-#include <keel/asset.hpp>
 #include <keel/module.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
-#include <nostalgia/core/tilesheet.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
 
 #include "typeconv.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 static class: public keel::Module {
 	private:
@@ -24,12 +23,13 @@ static class: public keel::Module {
 		TileSheetV1ToTileSheetV2Converter m_tileSheetV1ToTileSheetV2Converter;
 		TileSheetV2ToTileSheetV3Converter m_tileSheetV2ToTileSheetV3Converter;
 		TileSheetV3ToTileSheetV4Converter m_tileSheetV3ToTileSheetV4Converter;
+		TileSheetV4ToTileSheetV5Converter m_tileSheetV4ToTileSheetV5Converter;
 		TileSheetToCompactTileSheetConverter m_tileSheetToCompactTileSheetConverter;
 
 	public:
 		[[nodiscard]]
 		ox::String id() const noexcept override {
-			return ox::String("net.drinkingtea.nostalgia.core");
+			return ox::String{"net.drinkingtea.nostalgia.gfx"};
 		}
 
 		[[nodiscard]]
@@ -39,6 +39,7 @@ static class: public keel::Module {
 				keel::generateTypeDesc<TileSheetV2>,
 				keel::generateTypeDesc<TileSheetV3>,
 				keel::generateTypeDesc<TileSheetV4>,
+				keel::generateTypeDesc<TileSheetV5>,
 				keel::generateTypeDesc<CompactTileSheetV1>,
 				keel::generateTypeDesc<PaletteV1>,
 				keel::generateTypeDesc<PaletteV2>,
@@ -59,6 +60,7 @@ static class: public keel::Module {
 				&m_tileSheetV1ToTileSheetV2Converter,
 				&m_tileSheetV2ToTileSheetV3Converter,
 				&m_tileSheetV3ToTileSheetV4Converter,
+				&m_tileSheetV4ToTileSheetV5Converter,
 				&m_tileSheetToCompactTileSheetConverter,
 			};
 		}
@@ -67,7 +69,7 @@ static class: public keel::Module {
 		ox::Vector<keel::PackTransform> packTransforms() const noexcept final {
 			return {
 				// convert tilesheets to CompactTileSheets
-				[](keel::Context &ctx, ox::Buffer &buff, ox::StringView typeId) -> ox::Result<bool> {
+				[](keel::Context &ctx, ox::Buffer &buff, ox::StringViewCR typeId) -> ox::Result<bool> {
 					if (typeId == ox::ModelTypeId_v<TileSheetV1> ||
 					    typeId == ox::ModelTypeId_v<TileSheetV2> ||
 					    typeId == ox::ModelTypeId_v<TileSheetV3> ||
@@ -78,7 +80,7 @@ static class: public keel::Module {
 					}
 					return false;
 				},
-				[](keel::Context &ctx, ox::Buffer &buff, ox::StringView typeId) -> ox::Result<bool> {
+				[](keel::Context &ctx, ox::Buffer &buff, ox::StringViewCR typeId) -> ox::Result<bool> {
 					if (typeId == ox::ModelTypeId_v<NostalgiaPalette> ||
 					    typeId == ox::ModelTypeId_v<PaletteV1> ||
 					    typeId == ox::ModelTypeId_v<PaletteV2> ||
@@ -92,6 +94,7 @@ static class: public keel::Module {
 				},
 			};
 		}
+
 } const mod;
 
 keel::Module const*keelModule() noexcept {

src/nostalgia/modules/gfx/src/keel/typeconv.cpp

@@ -4,7 +4,7 @@
 
 #include "typeconv.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 ox::Error NostalgiaPaletteToPaletteV1Converter::convert(
 		keel::Context&,
@@ -133,6 +133,46 @@ ox::Error TileSheetV3ToTileSheetV4Converter::convert(
 	return {};
 }
 
+
+void TileSheetV4ToTileSheetV5Converter::convertSubsheet(
+		int const bpp,
+		TileSheetV4::SubSheet &src,
+		TileSheetV5::SubSheet &dst,
+		SubSheetId &idIt) noexcept {
+	dst.id      = idIt;
+	dst.name    = std::move(src.name);
+	dst.columns = src.columns;
+	dst.rows    = src.rows;
+	if (bpp == 4) {
+		dst.pixels.reserve(2 * src.pixels.size());
+		dst.pixels.resize(0);
+		for (auto const p : src.pixels) {
+			dst.pixels.emplace_back(static_cast<uint8_t>(p & 0xf));
+			dst.pixels.emplace_back(static_cast<uint8_t>(p >> 4));
+		}
+		oxAssert(dst.pixels.size() == src.pixels.size() *2, "mismatch");
+	} else {
+		dst.pixels = std::move(src.pixels);
+	}
+	++idIt;
+	dst.subsheets.resize(src.subsheets.size());
+	for (auto i = 0u; i < src.subsheets.size(); ++i) {
+		convertSubsheet(bpp, src.subsheets[i], dst.subsheets[i], idIt);
+	}
+}
+
+ox::Error TileSheetV4ToTileSheetV5Converter::convert(
+		keel::Context&,
+		TileSheetV4 &src,
+		TileSheetV5 &dst) const noexcept {
+	dst.bpp            = src.bpp;
+	dst.idIt           = src.idIt;
+	dst.defaultPalette = std::move(src.defaultPalette);
+	convertSubsheet(dst.bpp, src.subsheet, dst.subsheet, dst.idIt);
+	return {};
+}
+
+
 ox::Error TileSheetToCompactTileSheetConverter::convert(
 		keel::Context&,
 		TileSheet &src,

src/nostalgia/modules/gfx/src/keel/typeconv.hpp

@@ -8,11 +8,11 @@
 
 #include <keel/typeconv.hpp>
 
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
-#include <nostalgia/core/tilesheet.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 // Type converters
 
@@ -56,6 +56,15 @@ class TileSheetV3ToTileSheetV4Converter: public keel::Converter<TileSheetV3, Til
 	ox::Error convert(keel::Context&, TileSheetV3 &src, TileSheetV4 &dst) const noexcept final;
 };
 
+class TileSheetV4ToTileSheetV5Converter final: public keel::Converter<TileSheetV4, TileSheetV5> {
+	static void convertSubsheet(
+			int bpp,
+			TileSheetV4::SubSheet &src,
+			TileSheetV5::SubSheet &dst,
+			SubSheetId &idIt) noexcept;
+	ox::Error convert(keel::Context&, TileSheetV4 &src, TileSheetV5 &dst) const noexcept override;
+};
+
 class TileSheetToCompactTileSheetConverter: public keel::Converter<TileSheet, CompactTileSheet> {
 	ox::Error convert(keel::Context&, TileSheet &src, CompactTileSheet &dst) const noexcept final;
 };

src/nostalgia/modules/gfx/src/opengl/context.cpp

@@ -5,10 +5,10 @@
 #include "context.hpp"
 #include "gfx.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
-void ContextDeleter::operator()(Context *p) noexcept {
+void safeDelete(Context *ctx) noexcept {
-	ox::safeDelete(p);
+	delete ctx;
 }
 
 Context::Context(turbine::Context &tctx, InitParams const&params) noexcept:
@@ -23,10 +23,10 @@ Context::~Context() noexcept {
 	shutdownGfx(*this);
 }
 
-ox::Result<ContextUPtr> 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);
 	OX_RETURN_ERROR(initGfx(*ctx, params));
-	return ContextUPtr(ctx.release());
+	return ox::UPtr<Context>(ctx.release());
 }
 
 keel::Context &keelCtx(Context &ctx) noexcept {

src/nostalgia/modules/gfx/src/opengl/context.hpp

@@ -8,12 +8,12 @@
 
 #include <glutils/glutils.hpp>
 
-#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/gfx/gfx.hpp>
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
 
 #include "gfx.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class Context {
 

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

@@ -10,15 +10,15 @@
 
 #include <glutils/glutils.hpp>
 
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
-#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/gfx/gfx.hpp>
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
-#include <nostalgia/core/tilesheet.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
 
 #include "context.hpp"
 #include "gfx.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 namespace renderer {
 
@@ -28,7 +28,7 @@ static constexpr auto PriorityScale = 0.01f;
 Drawer::Drawer(Context &ctx) noexcept: m_ctx(ctx) {}
 
 void Drawer::draw(turbine::Context &tctx) noexcept {
-	core::gl::draw(m_ctx, turbine::getScreenSize(tctx));
+	gfx::gl::draw(m_ctx, turbine::getScreenSize(tctx));
 }
 
 static constexpr ox::CStringView bgvshadTmpl = R"glsl(
@@ -111,15 +111,15 @@ static constexpr auto bgVertexRow(uint_t x, uint_t y) noexcept {
 }
 
 static void setSpriteBufferObject(
-		uint_t vi,
+		uint_t const vi,
-		float enabled,
+		float const enabled,
 		float x,
 		float y,
-		uint_t textureRow,
+		uint_t const textureRow,
-		uint_t flipX,
+		uint_t const flipX,
-		uint_t priority,
+		uint_t const priority,
-		float *vbo,
+		ox::Span<float> const vbo,
-		GLuint *ebo) noexcept {
+		ox::Span<GLuint> const ebo) noexcept {
 	// don't worry, this memcpy gets optimized to something much more ideal
 	constexpr float xmod = 0.1f;
 	constexpr float ymod = 0.1f;
@@ -138,25 +138,25 @@ static void setSpriteBufferObject(
 	    enabled, x + xmod, y + ymod, prif, R, textureRowf + 0, // top right
 	    enabled,        x, y + ymod, prif, L, textureRowf + 0, // top left
 	};
-	memcpy(vbo, vertices.data(), sizeof(vertices));
+	ox::spancpy<float>(vbo, vertices);
 	ox::Array<GLuint, SpriteVertexEboLength> const elms {
-			vi + 0, vi + 1, vi + 2,
+		vi + 0, vi + 1, vi + 2,
-			vi + 2, vi + 3, vi + 0,
+		vi + 2, vi + 3, vi + 0,
 	};
-	memcpy(ebo, elms.data(), sizeof(elms));
+	ox::spancpy<GLuint>(ebo, elms);
 }
 
 static void setTileBufferObject(
-		uint_t vi,
+		uint_t const vi,
 		float x,
 		float y,
-		float textureTileIdx,
+		float const textureTileIdx,
-		float priority,
+		float const priority,
-		float palOffset,
+		float const palOffset,
-		bool flipX,
+		bool const flipX,
-		bool flipY,
+		bool const flipY,
-		float *vbo,
+		ox::Span<float> const vbo,
-		GLuint *ebo) noexcept {
+		ox::Span<GLuint> const ebo) noexcept {
 	// don't worry, this memcpy gets optimized to something much more ideal
 	constexpr float ymod = 0.1f;
 	constexpr float xmod = 0.1f;
@@ -170,24 +170,35 @@ static void setTileBufferObject(
 	float const T = flipY ? 1 : 0;
 	float const B = flipY ? 0 : 1;
 	ox::Array<float, BgVertexVboLength> const vertices {
-			       x,        y, prif, L, B, textureTileIdx, palOffset, // bottom left
+		       x,        y, prif, L, B, textureTileIdx, palOffset, // bottom left
-			x + xmod,        y, prif, R, B, textureTileIdx, palOffset, // bottom right
+		x + xmod,        y, prif, R, B, textureTileIdx, palOffset, // bottom right
-			x + xmod, y + ymod, prif, R, T, textureTileIdx, palOffset, // top right
+		x + xmod, y + ymod, prif, R, T, textureTileIdx, palOffset, // top right
-			       x, y + ymod, prif, L, T, textureTileIdx, palOffset, // top left
+		       x, y + ymod, prif, L, T, textureTileIdx, palOffset, // top left
 	};
-	memcpy(vbo, vertices.data(), sizeof(vertices));
+	ox::spancpy<float>(vbo, vertices);
 	ox::Array<GLuint, BgVertexEboLength> const elms {
-			vi + 0, vi + 1, vi + 2,
+		vi + 0, vi + 1, vi + 2,
-			vi + 2, vi + 3, vi + 0,
+		vi + 2, vi + 3, vi + 0,
 	};
-	memcpy(ebo, elms.data(), sizeof(elms));
+	ox::spancpy<GLuint>(ebo, elms);
 }
 
 static void initSpriteBufferObjects(Context &ctx, glutils::BufferSet &bs) noexcept {
 	for (auto i = 0u; i < ctx.spriteCount; ++i) {
-		auto vbo = &bs.vertices[i * static_cast<std::size_t>(SpriteVertexVboLength)];
+		auto const vbo = ox::Span{bs.vertices}
-		auto ebo = &bs.elements[i * static_cast<std::size_t>(SpriteVertexEboLength)];
+			+ i * static_cast<std::size_t>(SpriteVertexVboLength);
-		setSpriteBufferObject(i * static_cast<uint_t>(SpriteVertexVboRows) * ctx.blocksPerSprite, 0, 0, 0, 0, false, 0, vbo, ebo);
+		auto const ebo = ox::Span{bs.elements}
+			+ i * static_cast<std::size_t>(SpriteVertexEboLength);
+		setSpriteBufferObject(
+			i * static_cast<uint_t>(SpriteVertexVboRows) * ctx.blocksPerSprite,
+			0,
+			0,
+			0,
+			0,
+			false,
+			0,
+			vbo,
+			ebo);
 	}
 }
 
@@ -195,8 +206,10 @@ static void initBackgroundBufferObjects(glutils::BufferSet &bs) noexcept {
 	for (auto x = 0u; x < TileColumns; ++x) {
 		for (auto y = 0u; y < TileRows; ++y) {
 			const auto i = bgVertexRow(x, y);
-			auto vbo = &bs.vertices[i * static_cast<std::size_t>(BgVertexVboLength)];
+			auto const vbo = ox::Span{bs.vertices}
-			auto ebo = &bs.elements[i * static_cast<std::size_t>(BgVertexEboLength)];
+				+ i * static_cast<std::size_t>(BgVertexVboLength);
+			auto const ebo = ox::Span{bs.elements}
+				+ i * static_cast<std::size_t>(BgVertexEboLength);
 			setTileBufferObject(
 				static_cast<uint_t>(i * BgVertexVboRows),
 				static_cast<float>(x),
@@ -421,8 +434,8 @@ static void setSprite(
 		auto const eboIdx = eboBase + renderer::SpriteVertexEboLength * i;
 		oxAssert(vboIdx < ctx.spriteBlocks.vertices.size(), "vbo overflow");
 		oxAssert(eboIdx < ctx.spriteBlocks.elements.size(), "ebo overflow");
-		auto const vbo = &ctx.spriteBlocks.vertices[vboIdx];
+		auto const vbo = ox::Span{ctx.spriteBlocks.vertices} + vboIdx;
-		auto const ebo = &ctx.spriteBlocks.elements[eboIdx];
+		auto const ebo = ox::Span{ctx.spriteBlocks.elements} + eboIdx;
 		renderer::setSpriteBufferObject(
 				static_cast<uint_t>(vboIdx),
 				enabled,
@@ -556,7 +569,7 @@ static void copyPixels(
 		CompactTileSheet const&ts,
 		ox::Span<uint32_t> dst,
 		size_t const srcPxIdx,
-		size_t pxlCnt) noexcept {
+		size_t const pxlCnt) noexcept {
 	size_t idx{};
 	if (ts.bpp == 4) {
 		for (size_t i = 0; i < pxlCnt; i += 2) {
@@ -573,6 +586,18 @@ static void copyPixels(
 	}
 }
 
+void clearCbb(Context &ctx, unsigned const cbb) noexcept {
+	for (auto &v : ctx.cbbs[cbb].pixels) {
+		v = 0;
+	}
+}
+
+void clearCbbs(Context &ctx) noexcept {
+	for (unsigned i = 0 ; i < ctx.cbbs.size(); ++i) {
+		clearCbb(ctx, i);
+	}
+}
+
 ox::Error loadBgTileSheet(
 		Context &ctx,
 		unsigned const cbb,
@@ -625,7 +650,7 @@ ox::Error loadSpriteTileSheet(
 		CompactTileSheet const&ts,
 		bool loadDefaultPalette) noexcept {
 	OX_REQUIRE(tsd, normalizeTileSheet(ts));
-	oxTracef("nostalgia.core.gfx.gl", "loadSpriteTexture: { w: {}, h: {} }", tsd.width, tsd.height);
+	oxTracef("nostalgia.gfx.gl", "loadSpriteTexture: { w: {}, h: {} }", tsd.width, tsd.height);
 	ctx.spriteBlocks.tex = renderer::createTexture(tsd.width, tsd.height, tsd.pixels.data());
 	if (loadDefaultPalette) {
 		OX_RETURN_ERROR(loadSpritePalette(ctx, ts.defaultPalette));
@@ -648,7 +673,7 @@ void setBgTile(
 		int row,
 		BgTile const&tile) noexcept {
 	oxTracef(
-			"nostalgia.core.gfx.setBgTile",
+			"nostalgia.gfx.setBgTile",
 			"bgIdx: {}, column: {}, row: {}, tile: {}, palBank: {}",
 			bgIdx, column, row, tile.tileIdx, tile.palBank);
 	const auto z = static_cast<uint_t>(bgIdx);
@@ -656,8 +681,8 @@ void setBgTile(
 	const auto x = static_cast<uint_t>(column);
 	const auto i = renderer::bgVertexRow(x, y);
 	auto &cbb = ctx.cbbs[z];
-	const auto vbo = &cbb.vertices[i * renderer::BgVertexVboLength];
+	const auto vbo = ox::Span{cbb.vertices} + i * renderer::BgVertexVboLength;
-	const auto ebo = &cbb.elements[i * renderer::BgVertexEboLength];
+	const auto ebo = ox::Span{cbb.elements} + i * renderer::BgVertexEboLength;
 	auto &bg = ctx.backgrounds[bgIdx];
 	renderer::setTileBufferObject(
 			static_cast<uint_t>(i * renderer::BgVertexVboRows),
@@ -743,7 +768,7 @@ ox::Size drawSize(int scale) noexcept {
 	return {240 * scale, 160 * scale};
 }
 
-void draw(core::Context &ctx, ox::Size const&renderSz) noexcept {
+void draw(gfx::Context &ctx, ox::Size const&renderSz) noexcept {
 	glViewport(0, 0, renderSz.width, renderSz.height);
 	glEnable(GL_DEPTH_TEST);
 	glEnable(GL_BLEND);
@@ -758,7 +783,7 @@ void draw(core::Context &ctx, ox::Size const&renderSz) noexcept {
 	glDisable(GL_BLEND);
 }
 
-void draw(core::Context &ctx, int scale) noexcept {
+void draw(gfx::Context &ctx, int scale) noexcept {
 	draw(ctx, drawSize(scale));
 }
 

src/nostalgia/modules/gfx/src/opengl/gfx.hpp

@@ -10,9 +10,9 @@
 
 #include <glutils/glutils.hpp>
 
-#include <nostalgia/core/context.hpp>
+#include <nostalgia/gfx/context.hpp>
 
-namespace nostalgia::core::renderer {
+namespace nostalgia::gfx::renderer {
 
 constexpr uint64_t TileRows = 128;
 constexpr uint64_t TileColumns = 128;
@@ -59,7 +59,7 @@ class Drawer: public turbine::gl::Drawer {
 
 }
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 ox::Error initGfx(Context &ctx, InitParams const&) noexcept;
 void shutdownGfx(Context &ctx) noexcept;
 }

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

@@ -3,7 +3,6 @@ add_library(NostalgiaCore-Studio)
 add_library(
 	NostalgiaCore-Studio-ImGui
 		studiomodule.cpp
-		tilesheeteditor/tilesheeteditor-imgui.cpp
 )
 
 target_link_libraries(
@@ -15,7 +14,6 @@ target_link_libraries(
 target_link_libraries(
 	NostalgiaCore-Studio-ImGui PUBLIC
 		NostalgiaCore-Studio
-		Studio
 )
 
 install(

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

@@ -10,5 +10,9 @@ target_sources(
 		commands/renamepagecommand.cpp
 		commands/updatecolorcommand.cpp
 		commands/updatecolorinfocommand.cpp
+)
+
+target_sources(
+	NostalgiaCore-Studio-ImGui PRIVATE
 		paletteeditor-imgui.cpp
 )

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/addcolorcommand.cpp

@@ -5,7 +5,7 @@
 #include "commands.hpp"
 #include "addcolorcommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 AddColorCommand::AddColorCommand(Palette &pal, Color16 const color, size_t const idx) noexcept:
 	m_pal(pal),

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/addcolorcommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class AddColorCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/addpagecommand.cpp

@@ -6,7 +6,7 @@
 
 #include "addpagecommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 AddPageCommand::AddPageCommand(Palette &pal) noexcept:
 		m_pal(pal) {}

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/addpagecommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class AddPageCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/applycolorallpagescommand.cpp

@@ -5,7 +5,7 @@
 #include "commands.hpp"
 #include "applycolorallpagescommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 ApplyColorAllPagesCommand::ApplyColorAllPagesCommand(Palette &pal, size_t const page, size_t const idx):
 	m_pal(pal),

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/applycolorallpagescommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class ApplyColorAllPagesCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/commands.hpp

@@ -4,7 +4,7 @@
 
 #pragma once
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 enum class PaletteEditorCommandId {
 	ApplyColorAllPages,

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/duplicatepagecommand.cpp

@@ -6,7 +6,7 @@
 
 #include "duplicatepagecommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 DuplicatePageCommand::DuplicatePageCommand(Palette &pal, size_t srcIdx, size_t dstIdx) noexcept:
 		m_pal(pal),

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/duplicatepagecommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class DuplicatePageCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/movecolorcommand.cpp

@@ -6,7 +6,7 @@
 
 #include "movecolorcommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 MoveColorCommand::MoveColorCommand(
 		Palette &pal, size_t page, size_t srcIdx, size_t dstIdx) noexcept:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/movecolorcommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class MoveColorCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/removecolorcommand.cpp

@@ -5,7 +5,7 @@
 #include "commands.hpp"
 #include "removecolorcommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 RemoveColorCommand::RemoveColorCommand(Palette &pal, size_t const idx) noexcept:
 	m_pal(pal),

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/removecolorcommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class RemoveColorCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/removepagecommand.cpp

@@ -6,7 +6,7 @@
 
 #include "removepagecommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 RemovePageCommand::RemovePageCommand(Palette &pal, size_t idx) noexcept:
 	m_pal(pal),

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/removepagecommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class RemovePageCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/renamepagecommand.cpp

@@ -4,7 +4,7 @@
 
 #include "renamepagecommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 RenamePageCommand::RenamePageCommand(Palette &pal, size_t const page, ox::StringParam name) noexcept:
 		m_pal(pal),

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/renamepagecommand.hpp

@@ -6,11 +6,11 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
 #include "commands.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class RenamePageCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/updatecolorcommand.cpp

@@ -5,7 +5,7 @@
 #include "commands.hpp"
 #include "updatecolorcommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 UpdateColorCommand::UpdateColorCommand(
 	Palette &pal,

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/updatecolorcommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class UpdateColorCommand: public studio::UndoCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/updatecolorinfocommand.cpp

@@ -5,7 +5,7 @@
 #include "commands.hpp"
 #include "updatecolorinfocommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 UpdateColorInfoCommand::UpdateColorInfoCommand(
 		Palette &pal,

src/nostalgia/modules/gfx/src/studio/paletteeditor/commands/updatecolorinfocommand.hpp

@@ -6,9 +6,9 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class UpdateColorInfoCommand: public studio::UndoCommand {
 	private:

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

@@ -19,7 +19,7 @@
 
 #include "paletteeditor-imgui.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 namespace ig = studio::ig;
 
@@ -107,7 +107,7 @@ void PaletteEditorImGui::colorInput(ox::CStringView label, int &v, bool &inputFo
 void PaletteEditorImGui::drawColorsEditor() noexcept {
 	constexpr auto tableFlags = ImGuiTableFlags_RowBg;
 	auto const colorsSz = ImGui::GetContentRegionAvail();
-	auto const colorEditor = m_selectedColorRow < colorCnt(m_pal, m_page);
+	auto colorEditor = m_selectedColorRow < colorCnt(m_pal, m_page);
 	auto const colorEditorWidth = 220;
 	static constexpr auto toolbarHeight = 40;
 	{
@@ -123,6 +123,7 @@ void PaletteEditorImGui::drawColorsEditor() noexcept {
 			if (ImGui::Button("Remove", sz)) {
 				std::ignore = pushCommand<RemoveColorCommand>(m_pal, m_selectedColorRow);
 				m_selectedColorRow = ox::min(colorCnt(m_pal, m_page) - 1, m_selectedColorRow);
+				colorEditor = m_selectedColorRow < colorCnt(m_pal, m_page);
 			}
 			ImGui::SameLine();
 			ImGui::BeginDisabled(m_selectedColorRow <= 0);
@@ -257,7 +258,7 @@ void PaletteEditorImGui::drawColorEditor() noexcept {
 		std::ignore = pushCommand<ApplyColorAllPagesCommand>(
 				m_pal, m_page, m_selectedColorRow);
 	}
-	if (!inputFocused && !m_pageRenameDlg.isOpen()) {
+	if (ig::mainWinHasFocus()) {
 		if (!ImGui::IsKeyDown(ImGuiKey_ModAlt)) {
 			numShortcuts(m_selectedColorRow, largestPage(m_pal));
 		} else {

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

@@ -6,10 +6,10 @@
 
 #include <studio/studio.hpp>
 
-#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/gfx/gfx.hpp>
-#include <nostalgia/core/palette.hpp>
+#include <nostalgia/gfx/palette.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class PaletteEditorImGui: public studio::Editor {
 

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

@@ -9,7 +9,7 @@
 #include "paletteeditor/paletteeditor-imgui.hpp"
 #include "tilesheeteditor/tilesheeteditor-imgui.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 static class: public studio::Module {
 	ox::Vector<studio::EditorMaker> editors(studio::StudioContext &ctx) const noexcept final {
@@ -21,8 +21,11 @@ static class: public studio::Module {
 
 	ox::Vector<ox::UPtr<studio::ItemMaker>> itemMakers(studio::StudioContext&) const noexcept final {
 		ox::Vector<ox::UniquePtr<studio::ItemMaker>> out;
-		out.emplace_back(ox::make<studio::ItemMakerT<core::TileSheet>>("Tile Sheet", "TileSheets", FileExt_ng));
+		out.emplace_back(ox::make<studio::ItemMakerT<TileSheet>>("Tile Sheet", "TileSheets", FileExt_ng));
-		out.emplace_back(ox::make<studio::ItemMakerT<core::Palette>>("Palette", "Palettes", FileExt_npal));
+		out.emplace_back(ox::make<studio::ItemMakerT<Palette>>("Palette", "Palettes", FileExt_npal, Palette{
+			.colorNames = {},
+			.pages = {{"Page 1", ox::Vector<PaletteColor>{}}},
+		}, ox::ClawFormat::Organic));
 		return out;
 	}
 } const mod;

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

@@ -6,6 +6,11 @@ target_sources(
 		tilesheetpixels.cpp
 )
 
+target_sources(
+	NostalgiaCore-Studio-ImGui PRIVATE
+		tilesheeteditor-imgui.cpp
+)
+
 target_link_libraries(
 	NostalgiaCore-Studio-ImGui PUBLIC
 		lodepng

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.cpp

@@ -4,7 +4,7 @@
 
 #include "addsubsheetcommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 AddSubSheetCommand::AddSubSheetCommand(
 		TileSheet &img,
@@ -28,12 +28,12 @@ ox::Error AddSubSheetCommand::redo() noexcept {
 	auto &parent = getSubSheet(m_img, m_parentIdx);
 	if (m_addedSheets.size() < 2) {
 		auto i = parent.subsheets.size();
-		parent.subsheets.emplace_back(m_img.idIt++, ox::sfmt("Subsheet {}", i), 1, 1, m_img.bpp);
+		parent.subsheets.emplace_back(m_img.idIt++, ox::sfmt("Subsheet {}", i), 1, 1);
 	} else {
 		parent.subsheets.emplace_back(m_img.idIt++, "Subsheet 0", parent.columns, parent.rows, std::move(parent.pixels));
 		parent.rows = 0;
 		parent.columns = 0;
-		parent.subsheets.emplace_back(m_img.idIt++, "Subsheet 1", 1, 1, m_img.bpp);
+		parent.subsheets.emplace_back(m_img.idIt++, "Subsheet 1", 1, 1);
 	}
 	return {};
 }

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/addsubsheetcommand.hpp

@@ -6,7 +6,7 @@
 
 #include "commands.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class AddSubSheetCommand: public TileSheetCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/commands.hpp

@@ -5,9 +5,9 @@
 #pragma once
 
 #include <studio/undostack.hpp>
-#include <nostalgia/core/tilesheet.hpp>
+#include <nostalgia/gfx/tilesheet.hpp>
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 // Command IDs to use with QUndoCommand::id()
 enum class CommandId {

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.cpp

@@ -4,7 +4,7 @@
 
 #include "cutpastecommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 TileSheetClipboard::Pixel::Pixel(uint16_t pColorIdx, ox::Point pPt) noexcept {
 	colorIdx = pColorIdx;
@@ -37,8 +37,8 @@ CutPasteCommand::CutPasteCommand(
 	for (auto const&p : cb.pixels()) {
 		auto const dstPt = p.pt + dstStart;
 		if (dstPt.x <= dstEnd.x && dstPt.y <= dstEnd.y) {
-			auto const idx = core::idx(ss, dstPt);
+			auto const idx = gfx::idx(ss, dstPt);
-			m_changes.emplace_back(static_cast<uint32_t>(idx), p.colorIdx, getPixel(ss, m_img.bpp, idx));
+			m_changes.emplace_back(static_cast<uint32_t>(idx), p.colorIdx, getPixel(ss, idx));
 		}
 	}
 }
@@ -46,7 +46,7 @@ CutPasteCommand::CutPasteCommand(
 ox::Error CutPasteCommand::redo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
 	for (const auto &c : m_changes) {
-		setPixel(subsheet, m_img.bpp, c.idx, static_cast<uint8_t>(c.newPalIdx));
+		subsheet.pixels[c.idx] = static_cast<uint8_t>(c.newPalIdx);
 	}
 	return {};
 }
@@ -54,7 +54,7 @@ ox::Error CutPasteCommand::redo() noexcept {
 ox::Error CutPasteCommand::undo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
 	for (const auto &c : m_changes) {
-		setPixel(subsheet, m_img.bpp, c.idx, static_cast<uint8_t>(c.oldPalIdx));
+		subsheet.pixels[c.idx] = static_cast<uint8_t>(c.oldPalIdx);
 	}
 	return {};
 }

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/cutpastecommand.hpp

@@ -8,19 +8,19 @@
 
 #include "commands.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 OX_MODEL_FWD_DECL(class TileSheetClipboard);
 
 class TileSheetClipboard: public turbine::ClipboardObject<TileSheetClipboard> {
 	public:
-		static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.studio.TileSheetClipboard";
+		static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.studio.TileSheetClipboard";
 		static constexpr auto TypeVersion = 1;
 
 		OX_MODEL_FRIEND(TileSheetClipboard);
 
 		struct Pixel {
-			static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.studio.TileSheetClipboard.Pixel";
+			static constexpr auto TypeName = "net.drinkingtea.nostalgia.gfx.studio.TileSheetClipboard.Pixel";
 			static constexpr auto TypeVersion = 1;
 			uint16_t colorIdx = 0;
 			ox::Point pt;

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.cpp

@@ -6,9 +6,9 @@
 
 #include "deletetilescommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
-core::DeleteTilesCommand::DeleteTilesCommand(
+gfx::DeleteTilesCommand::DeleteTilesCommand(
 		TileSheet &img,
 		TileSheet::SubSheetIdx idx,
 		std::size_t tileIdx,
@@ -28,7 +28,7 @@ core::DeleteTilesCommand::DeleteTilesCommand(
 	}
 }
 
-ox::Error core::DeleteTilesCommand::redo() noexcept {
+ox::Error gfx::DeleteTilesCommand::redo() noexcept {
 	auto &s = getSubSheet(m_img, m_idx);
 	auto &p = s.pixels;
 	auto srcPos = m_deletePos + m_deleteSz;

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/deletetilescommand.hpp

@@ -6,7 +6,7 @@
 
 #include "commands.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class DeleteTilesCommand: public TileSheetCommand {
 	private:

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.cpp

@@ -4,7 +4,7 @@
 
 #include "drawcommand.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 DrawCommand::DrawCommand(
 		TileSheet &img,
@@ -15,7 +15,7 @@ DrawCommand::DrawCommand(
 		m_subSheetIdx(std::move(subSheetIdx)),
 		m_palIdx(palIdx) {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
-	m_changes.emplace_back(static_cast<uint32_t>(idx), getPixel(subsheet, m_img.bpp, idx));
+	m_changes.emplace_back(static_cast<uint32_t>(idx), getPixel(subsheet, idx));
 }
 
 DrawCommand::DrawCommand(
@@ -28,20 +28,20 @@ DrawCommand::DrawCommand(
 		m_palIdx(palIdx) {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
 	for (auto const idx : idxList) {
-		m_changes.emplace_back(static_cast<uint32_t>(idx), getPixel(subsheet, m_img.bpp, idx));
+		m_changes.emplace_back(static_cast<uint32_t>(idx), getPixel(subsheet, idx));
 	}
 }
 
 bool DrawCommand::append(std::size_t idx) noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
-	if (m_changes.back().value->idx != idx && getPixel(subsheet, m_img.bpp, idx) != m_palIdx) {
+	if (m_changes.back().value->idx != idx && getPixel(subsheet, idx) != m_palIdx) {
 		// duplicate entries are bad
 		auto existing = ox::find_if(m_changes.cbegin(), m_changes.cend(), [idx](auto const&c) {
 			return c.idx == idx;
 		});
 		if (existing == m_changes.cend()) {
-			m_changes.emplace_back(static_cast<uint32_t>(idx), getPixel(subsheet, m_img.bpp, idx));
+			m_changes.emplace_back(static_cast<uint32_t>(idx), getPixel(subsheet, idx));
-			setPixel(subsheet, m_img.bpp, idx, static_cast<uint8_t>(m_palIdx));
+			subsheet.pixels[idx] = static_cast<uint8_t>(m_palIdx);
 			return true;
 		}
 	}
@@ -59,7 +59,7 @@ bool DrawCommand::append(ox::Vector<std::size_t> const&idxList) noexcept {
 ox::Error DrawCommand::redo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
 	for (auto const&c : m_changes) {
-		setPixel(subsheet, m_img.bpp, c.idx, static_cast<uint8_t>(m_palIdx));
+		subsheet.pixels[c.idx] = static_cast<uint8_t>(m_palIdx);
 	}
 	return {};
 }
@@ -67,7 +67,7 @@ ox::Error DrawCommand::redo() noexcept {
 ox::Error DrawCommand::undo() noexcept {
 	auto &subsheet = getSubSheet(m_img, m_subSheetIdx);
 	for (auto const&c : m_changes) {
-		setPixel(subsheet, m_img.bpp, c.idx, static_cast<uint8_t>(c.oldPalIdx));
+		subsheet.pixels[c.idx] = static_cast<uint8_t>(c.oldPalIdx);
 	}
 	return {};
 }

src/nostalgia/modules/gfx/src/studio/tilesheeteditor/commands/drawcommand.hpp

@@ -6,7 +6,7 @@
 
 #include "commands.hpp"
 
-namespace nostalgia::core {
+namespace nostalgia::gfx {
 
 class DrawCommand: public TileSheetCommand {
 	private: