[nostalgia] Update release notes

Makefile

@@ -15,7 +15,16 @@ PROJECT_PLAYER=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}
 
 .PHONY: pkg-gba
 pkg-gba: build
-	${BC_CMD_ENVRUN} ${BC_PY3} ./util/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_CAP}
+
+.PHONY: pkg-mac
+pkg-mac: install
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-dmg.py
+
+.PHONY: generate-studio-rsrc
+generate-studio-rsrc:
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/file-to-cpp.py --rsrc src/olympic/studio/applib/src/rsrc.json
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/file-to-cpp.py --rsrc src/nostalgia/studio/rsrc.json
 
 .PHONY: build-player
 build-player:
@@ -28,10 +37,10 @@ run-studio: build
 	${PROJECT_STUDIO}
 .PHONY: gba-run
 gba-run: pkg-gba
-	${MGBA} ${BC_VAR_PROJECT_NAME}.gba
+	${MGBA} ${BC_VAR_PROJECT_NAME_CAP}.gba
 .PHONY: debug
 debug: build
-	${BC_CMD_HOST_DEBUGGER} ./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME} sample_project
+	${BC_CMD_HOST_DEBUGGER} ${PROJECT_PLAYER} sample_project
 .PHONY: debug-studio
 debug-studio: build
 	${BC_CMD_HOST_DEBUGGER} ${PROJECT_STUDIO}

deps/buildcore/scripts/file-to-cpp.py

@@ -1,30 +0,0 @@
-#! /usr/bin/env python3
-
-#
-#  Copyright 2016 - 2025 gary@drinkingtea.net
-#
-#  This Source Code Form is subject to the terms of the Mozilla Public
-#  License, v. 2.0. If a copy of the MPL was not distributed with this
-#  file, You can obtain one at http://mozilla.org/MPL/2.0/.
-#
-
-import argparse
-import sys
-
-
-def main() -> int:
-    parser = argparse.ArgumentParser()
-    parser.add_argument('--file', help='path to file')
-    parser.add_argument('--out-cpp', help='path to output cpp file')
-    parser.add_argument('--out-hpp', help='path to output hpp file')
-    parser.add_argument('--namespace', help='path to output hpp file')
-    args = parser.parse_args()
-    return 0
-
-
-if __name__ == '__main__':
-    try:
-        err = main()
-        sys.exit(err)
-    except KeyboardInterrupt:
-        sys.exit(1)

deps/buildcore/scripts/pybb.py

@@ -11,6 +11,7 @@
 # "Python Busy Box" - adds cross-platform equivalents to Unix commands that
 #                     don't translate well to that other operating system
 
+import multiprocessing
 import os
 import platform
 import shutil
@@ -57,7 +58,11 @@ def cmake_build(base_path: str, target: Optional[str]) -> int:
         path = os.path.join(base_path, d)
         if not os.path.isdir(path):
             continue
-        args = ['cmake', '--build', path]
+        args = ['cmake', '--build', path, f'-j{multiprocessing.cpu_count()}']
+        if path.endswith('release'):
+            args.append('--config=release')
+        elif path.endswith('debug'):
+            args.append('--config=debug')
         if target is not None:
             args.extend(['--target', target])
         err = subprocess.run(args).returncode

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

@@ -29,7 +29,7 @@ ClArgs::ClArgs(ox::SpanView<const char*> args) noexcept {
 						m_bools[arg] = false;
 					}
 					m_strings[arg] = val;
-					if (auto r = ox::atoi(val.c_str()); r.error == 0) {
+					if (auto r = ox::strToInt(val); r.error == 0) {
 						m_ints[arg] = r.value;
 					}
 					++i;

deps/ox/src/ox/claw/read.cpp

@@ -81,7 +81,7 @@ Result<ClawHeader> readClawHeader(ox::BufferView buff) noexcept {
 		return ox::Error(4, "Claw format does not match any supported format/version combo");
 	}
 	hdr.typeName = typeName;
-	std::ignore = ox::atoi(versionStr).copyTo(hdr.typeVersion);
+	std::ignore = ox::strToInt(versionStr).copyTo(hdr.typeVersion);
 	hdr.data = buffRaw;
 	hdr.dataSize = buffLen;
 	return hdr;

deps/ox/src/ox/fs/filestore/filestoretemplate.hpp

@@ -433,14 +433,14 @@ Error FileStoreTemplate<size_t>::resize() {
 template<typename size_t>
 Error FileStoreTemplate<size_t>::resize(std::size_t size, void *newBuff) {
 	if (m_buffer->size() > size) {
-		return ox::Error(1);
+		return ox::Error{1, "new buffer is too small for existing data"};
 	}
 	m_buffSize = static_cast<size_t>(size);
 	if (newBuff) {
-		m_buffer = reinterpret_cast<Buffer*>(newBuff);
+		m_buffer = static_cast<Buffer*>(newBuff);
 		OX_RETURN_ERROR(m_buffer->setSize(static_cast<size_t>(size)));
 	}
-	return ox::Error(0);
+	return {};
 }
 
 template<typename size_t>

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

@@ -31,10 +31,10 @@ FileAddress::FileAddress(uint64_t inode) noexcept {
 FileAddress::FileAddress(ox::StringViewCR path) noexcept {
 	auto pathSize = path.bytes();
 	m_data.path = new char[pathSize + 1];
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	memcpy(m_data.path, path.data(), pathSize);
-OX_CLANG_NOWARN_BEGIN(-Wunsafe-buffer-usage)
 	m_data.path[pathSize] = 0;
-OX_CLANG_NOWARN_END
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	m_type = FileAddressType::Path;
 }
 
@@ -48,9 +48,11 @@ FileAddress &FileAddress::operator=(const FileAddress &other) noexcept {
 		case FileAddressType::Path:
 		{
 			if (other.m_data.path) {
+				OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 				auto strSize = ox::strlen(other.m_data.path) + 1;
 				m_data.path = new char[strSize];
 				ox::memcpy(m_data.path, other.m_data.path, strSize);
+				OX_ALLOW_UNSAFE_BUFFERS_END
 			} else {
 				m_data.constPath = "";
 				m_type = FileAddressType::ConstPath;

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

@@ -24,9 +24,6 @@ enum class FileAddressType: int8_t {
 	Inode,
 };
 
-template<typename T>
-constexpr Error model(T *h, CommonPtrWith<class FileAddress> auto *fa) noexcept;
-
 class FileAddress {
 
 	template<typename T>

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

@@ -20,7 +20,7 @@
 namespace ox {
 
 namespace detail {
-static inline void fsBuffFree(char *buff) noexcept {
+inline void fsBuffFree(char *buff) noexcept {
 	safeDelete(buff);
 }
 }
@@ -49,11 +49,11 @@ class FileSystem {
 
 		Result<Buffer> read(StringViewCR path) noexcept;
 
-		inline Error read(StringViewCR path, void *buffer, std::size_t buffSize) noexcept {
+		Error read(StringViewCR path, void *buffer, std::size_t buffSize) noexcept {
 			return readFilePath(path, buffer, buffSize);
 		}
 
-		inline Error read(uint64_t inode, void *buffer, std::size_t buffSize) noexcept {
+		Error read(uint64_t inode, void *buffer, std::size_t buffSize) noexcept {
 			return readFileInode(inode, buffer, buffSize);
 		}
 
@@ -69,8 +69,7 @@ class FileSystem {
 		 * @param path
 		 * @param readStart
 		 * @param readSize
-		 * @param buffer
-		 * @param size
+		 * @param buff
 		 * @return error or number of bytes read
 		 */
 		Result<size_t> read(
@@ -102,36 +101,36 @@ class FileSystem {
 
 		Error write(const FileAddress &addr, const void *buffer, uint64_t size, FileType fileType = FileType::NormalFile) noexcept;
 
-		inline Error write(StringViewCR path, const void *buffer, uint64_t size, FileType fileType) noexcept {
+		Error write(StringViewCR path, const void *buffer, uint64_t size, FileType fileType) noexcept {
 			return writeFilePath(path, buffer, size, fileType);
 		}
 
-		inline Error write(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept {
+		Error write(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept {
 			return writeFileInode(inode, buffer, size, fileType);
 		}
 
-		inline Result<FileStat> stat(uint64_t inode) const noexcept {
+		Result<FileStat> stat(uint64_t inode) const noexcept {
 			return statInode(inode);
 		}
 
-		inline Result<FileStat> stat(StringViewCR path) const noexcept {
+		Result<FileStat> stat(StringViewCR path) const noexcept {
 			return statPath(path);
 		}
 
 		Result<FileStat> stat(const FileAddress &addr) const noexcept;
 
 		[[nodiscard]]
-		inline bool exists(uint64_t inode) const noexcept {
+		bool exists(uint64_t inode) const noexcept {
 			return statInode(inode).ok();
 		}
 
 		[[nodiscard]]
-		inline bool exists(ox::StringView path) const noexcept {
+		bool exists(ox::StringView path) const noexcept {
 			return statPath(path).ok();
 		}
 
 		[[nodiscard]]
-		inline bool exists(FileAddress const&addr) const noexcept {
+		bool exists(FileAddress const&addr) const noexcept {
 			return stat(addr).ok();
 		}
 
@@ -178,11 +177,11 @@ class MemFS: public FileSystem {
 	public:
 		Result<const char*> directAccess(const FileAddress &addr) const noexcept;
 
-		inline Result<const char*> directAccess(StringViewCR path) const noexcept {
+		Result<const char*> directAccess(StringViewCR path) const noexcept {
 			return directAccessPath(path);
 		}
 
-		inline Result<const char*> directAccess(uint64_t inode) const noexcept {
+		Result<const char*> directAccess(uint64_t inode) const noexcept {
 			return directAccessInode(inode);
 		}
 
@@ -469,7 +468,7 @@ Error FileSystemTemplate<FileStore, Directory>::writeFilePath(
 
 template<typename FileStore, typename Directory>
 Error FileSystemTemplate<FileStore, Directory>::writeFileInode(uint64_t inode, const void *buffer, uint64_t size, FileType fileType) noexcept {
-	oxTrace("ox.fs.FileSystemTemplate.writeFileInode", ox::itoa(inode));
+	oxTrace("ox.fs.FileSystemTemplate.writeFileInode", ox::intToStr(inode));
 	return m_fs.write(inode, buffer, static_cast<size_t>(size), static_cast<uint8_t>(fileType));
 }
 

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

@@ -119,7 +119,9 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 				auto constexpr path = ox::StringLiteral("/usr/share/charset.gbag");
 				ox::PathIterator it(path.c_str(), path.len());
 				auto buff = static_cast<char*>(ox_alloca(path.len() + 1));
+				OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 				oxAssert(it.dirPath(buff, path.len()) == 0 && ox::strcmp(buff, "/usr/share/") == 0, "PathIterator shows incorrect dir path");
+				OX_ALLOW_UNSAFE_BUFFERS_END
 				return ox::Error(0);
 			}
 		},
@@ -127,7 +129,9 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 			"PathIterator::hasNext",
 			[](ox::StringView) {
 				const auto path = "/file1";
+				OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 				ox::PathIterator it(path, ox::strlen(path));
+				OX_ALLOW_UNSAFE_BUFFERS_END
 				oxAssert(it.hasNext(), "PathIterator shows incorrect hasNext");
 				oxAssert(!it.next().hasNext(), "PathIterator shows incorrect hasNext");
 				return ox::Error(0);
@@ -163,9 +167,11 @@ const std::map<ox::StringView, std::function<ox::Error(ox::StringView)>> tests =
 			[](ox::StringView) {
 				constexpr auto buffLen = 5000;
 				constexpr auto str1 = "Hello, World!";
+				OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 				constexpr auto str1Len = ox::strlen(str1) + 1;
 				constexpr auto str2 = "Hello, Moon!";
 				constexpr auto str2Len = ox::strlen(str2) + 1;
+				OX_ALLOW_UNSAFE_BUFFERS_END
 				auto list = new (ox_alloca(buffLen)) ox::ptrarith::NodeBuffer<uint32_t, ox::FileStoreItem<uint32_t>>(buffLen);
 				oxAssert(ox::FileStore32::format(list, buffLen), "FileStore::format failed.");
 				ox::FileStore32 fileStore(list, buffLen);

deps/ox/src/ox/fs/tool.cpp

@@ -57,7 +57,9 @@ static ox::Error runRead(ox::FileSystem *fs, ox::Span<const char*> args) noexcep
 		return ox::Error(1);
 	}
 	OX_REQUIRE(buff, fs->read(ox::StringView(args[1])));
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	std::ignore = fwrite(buff.data(), sizeof(decltype(buff)::value_type), buff.size(), stdout);
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	return ox::Error(0);
 }
 

deps/ox/src/ox/mc/intops.hpp

@@ -71,7 +71,9 @@ constexpr McInt encodeInteger(I pInput) noexcept {
 	// move input to uint64_t to allow consistent bit manipulation, and to avoid
 	// overflow concerns
 	uint64_t val = 0;
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	ox::memcpy(&val, &input, sizeof(input));
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	if (val) {
 		// bits needed to represent number factoring in space possibly
 		// needed for signed bit
@@ -94,7 +96,9 @@ constexpr McInt encodeInteger(I pInput) noexcept {
 		}
 		if (bytes == 9) {
 			out.data[0] = bytesIndicator;
+			OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 			ox::memcpy(&out.data[1], &leVal, 8);
+			OX_ALLOW_UNSAFE_BUFFERS_END
 			if (inputNegative) {
 				out.data[1] |= 0b1000'0000;
 			}
@@ -104,7 +108,9 @@ constexpr McInt encodeInteger(I pInput) noexcept {
 			auto intermediate =
 				static_cast<uint64_t>(leVal.raw() | (negBit << (valBits - 1))) << bytes |
 				static_cast<uint64_t>(bytesIndicator);
+			OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 			ox::memcpy(&out.data[0], &intermediate, sizeof(intermediate));
+			OX_ALLOW_UNSAFE_BUFFERS_END
 		}
 		out.length = bytes;
 	}
@@ -151,33 +157,37 @@ constexpr Result<I> decodeInteger(Reader_c auto&rdr, std::size_t *bytesRead) noe
 	decoded >>= bytes;
 	// move sign bit
 	if constexpr(is_signed_v<I>) {
-		 const auto negBit = bytes * 8 - bytes - 1;
-		 // move sign
-		 const auto negative = (decoded >> negBit) == 1;
-		 if (negative) {
-			 // fill in all bits between encoded sign and real sign with 1s
-			 // split it up because the 32-bit ARM can't shift more than 32 bits
-			 ox::Array<uint32_t, 2> d = {};
-			 //d[0] = decoded & 0xffff'ffff;
-			 //d[1] = decoded >> 32;
-			 ox::memcpy(&d[0], &decoded, sizeof(decoded));
-			 auto bit = negBit;
-			 for (; bit < ox::min<std::size_t>(Bits<I>, 32); ++bit) {
-				 d[0] |= 1 << bit;
-			 }
-			 bit -= 32;
-			 for (; bit < Bits<I>; ++bit) {
-				 d[1] |= 1 << bit;
-			 }
-			 I out = 0;
-			 if constexpr(ox::defines::BigEndian) {
-				 const auto d0Tmp = d[0];
-				 d[0] = d[1];
-				 d[1] = d0Tmp;
-			 }
-			 ox::memcpy(&out, &d[0], sizeof(out));
-			 return out;
-		 }
+		const auto negBit = bytes * 8 - bytes - 1;
+		// move sign
+		const auto negative = (decoded >> negBit) == 1;
+		if (negative) {
+			// fill in all bits between encoded sign and real sign with 1s
+			// split it up because the 32-bit ARM can't shift more than 32 bits
+			ox::Array<uint32_t, 2> d = {};
+			//d[0] = decoded & 0xffff'ffff;
+			//d[1] = decoded >> 32;
+		 	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+			ox::memcpy(&d[0], &decoded, sizeof(decoded));
+		 	OX_ALLOW_UNSAFE_BUFFERS_END
+			auto bit = negBit;
+			for (; bit < ox::min<std::size_t>(Bits<I>, 32); ++bit) {
+				d[0] |= 1 << bit;
+			}
+			bit -= 32;
+			for (; bit < Bits<I>; ++bit) {
+				d[1] |= 1 << bit;
+			}
+			I out = 0;
+			if constexpr(ox::defines::BigEndian) {
+				const auto d0Tmp = d[0];
+				d[0] = d[1];
+				d[1] = d0Tmp;
+			}
+		 	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+			ox::memcpy(&out, &d[0], sizeof(out));
+			OX_ALLOW_UNSAFE_BUFFERS_END
+			return out;
+		}
 	}
 	return static_cast<I>(decoded);
 }

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

@@ -214,7 +214,12 @@ template<Writer_c Writer>
 constexpr Error MetalClawWriter<Writer>::fieldCString(const char*, const char *const*val, std::size_t) noexcept {
 	bool fieldSet = false;
 	if (!m_unionIdx.has_value() || *m_unionIdx == m_field) {
+		OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+		// this strlen is tolerated because sometimes 0 gets passed to
+		// the size param, which is a lie
+		// this code should be cleaned up at some point...
 		const auto strLen = *val ? ox::strlen(*val) : 0;
+		OX_ALLOW_UNSAFE_BUFFERS_END
 		// write the length
 		const auto strLenBuff = mc::encodeInteger(strLen);
 		OX_RETURN_ERROR(m_writer.write(reinterpret_cast<const char*>(strLenBuff.data.data()), strLenBuff.length));

deps/ox/src/ox/model/modelvalue.hpp

@@ -997,7 +997,7 @@ constexpr ModelValue::ModelValue(const ModelValue &other) noexcept {
 		case Type::SignedInteger16:
 		case Type::SignedInteger32:
 		case Type::SignedInteger64:
-			ox::memcpy(&m_data, &other.m_data, sizeof(m_data));
+			m_data = other.m_data;
 			break;
 		case Type::String:
 			m_data.str = new String(other.get<String>());
@@ -1030,8 +1030,8 @@ constexpr ModelValue::ModelValue(ModelValue &&other) noexcept {
 		case Type::SignedInteger16:
 		case Type::SignedInteger32:
 		case Type::SignedInteger64:
-			ox::memcpy(&m_data, &other.m_data, sizeof(m_data));
-			ox::memset(&other.m_data, 0, sizeof(m_data));
+			m_data = other.m_data;
+			other.m_data.ui64 = 0;
 			break;
 		case Type::String:
 			m_data.str = other.m_data.str;
@@ -1223,7 +1223,7 @@ constexpr ModelValue &ModelValue::operator=(const ModelValue &other) noexcept {
 		case Type::SignedInteger16:
 		case Type::SignedInteger32:
 		case Type::SignedInteger64:
-			ox::memcpy(&m_data, &other.m_data, sizeof(m_data));
+			m_data = other.m_data;
 			break;
 		case Type::String:
 			m_data.str = new String(other.get<String>());
@@ -1261,8 +1261,8 @@ constexpr ModelValue &ModelValue::operator=(ModelValue &&other) noexcept {
 		case Type::SignedInteger16:
 		case Type::SignedInteger32:
 		case Type::SignedInteger64:
-			ox::memcpy(&m_data, &other.m_data, sizeof(m_data));
-			ox::memset(&other.m_data, 0, sizeof(m_data));
+			m_data = other.m_data;
+			other.m_data = {};
 			break;
 		case Type::String:
 			m_data.str = other.m_data.str;

deps/ox/src/ox/oc/read.cpp

@@ -15,7 +15,7 @@ namespace ox {
 
 OrganicClawReader::OrganicClawReader(const uint8_t *buff, std::size_t buffSize) {
 	auto json = reinterpret_cast<const char*>(buff);
-	auto jsonLen = ox::strnlen(json, buffSize);
+	auto jsonLen = ox::strnlen_s(json, buffSize);
 	Json::CharReaderBuilder parserBuilder;
 	auto parser = std::unique_ptr<Json::CharReader>(parserBuilder.newCharReader());
 	if (!parser->parse(json, json + jsonLen, &m_json, nullptr)) {

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

@@ -8,7 +8,11 @@
 
 #pragma once
 
+#include <ox/std/def.hpp>
+
+OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 #include <json/json.h>
+OX_ALLOW_UNSAFE_BUFFERS_END
 
 #include <ox/model/fieldcounter.hpp>
 #include <ox/model/modelhandleradaptor.hpp>

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

@@ -8,7 +8,11 @@
 
 #pragma once
 
+#include <ox/std/def.hpp>
+
+OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 #include <json/json.h>
+OX_ALLOW_UNSAFE_BUFFERS_END
 
 #include <ox/model/fieldcounter.hpp>
 #include <ox/model/modelhandleradaptor.hpp>
@@ -258,7 +262,9 @@ Result<ox::Buffer> writeOC(const auto &val) noexcept {
 	const auto str = Json::writeString(jsonBuilder, writer.m_json);
 	Result<Buffer> buff;
 	buff.value.resize(str.size() + 1);
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	memcpy(buff.value.data(), str.data(), str.size() + 1);
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	return buff;
 }
 
@@ -270,7 +276,9 @@ Result<ox::String> writeOCString(const auto &val) noexcept {
 	const auto str = Json::writeString(jsonBuilder, writer.m_json);
 	Result<ox::String> buff;
 	buff.value.resize(str.size());
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	memcpy(buff.value.data(), str.data(), str.size() + 1);
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	return buff;
 }
 

deps/ox/src/ox/std/cstrops.hpp

@@ -30,9 +30,12 @@ constexpr T1 strncpy(T1 dest, T2 src, std::size_t maxLen) noexcept {
 }
 
 [[nodiscard]]
-constexpr auto strnlen(const char *str1, std::size_t maxLen) noexcept {
-	std::size_t len = 0;
-	for (; len < maxLen && str1[len]; len++);
+constexpr size_t strnlen_s(const char *str, size_t const maxLen) noexcept {
+	if (!str) [[unlikely]] {
+		return 0;
+	}
+	size_t len = 0;
+	for (; len < maxLen && str[len]; len++);
 	return len;
 }
 

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

@@ -245,7 +245,7 @@ struct MaybeView<ox::IString<sz>> {
 
 template<Integer_c Integer>
 [[nodiscard]]
-constexpr auto itoa(Integer v) noexcept {
+constexpr auto intToStr(Integer v) noexcept {
 	constexpr auto Cap = [] {
 		auto out = 0;
 		switch (sizeof(Integer)) {

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

@@ -8,6 +8,10 @@
 
 #pragma once
 
+#if __has_include(<array>)
+#include <array>
+#endif
+
 #include "array.hpp"
 #include "bit.hpp"
 #include "def.hpp"
@@ -35,6 +39,20 @@ class Span {
 
 		constexpr Span() noexcept = default;
 
+#if __has_include(<array>)
+		template<std::size_t sz>
+		constexpr Span(std::array<T, sz> &a) noexcept:
+			m_items(a.data()),
+			m_size(a.size()) {
+		}
+
+		template<std::size_t sz>
+		constexpr Span(std::array<ox::remove_const_t<T>, sz> const&a) noexcept:
+			m_items(a.data()),
+			m_size(a.size()) {
+		}
+#endif
+
 		template<std::size_t sz>
 		constexpr Span(ox::Array<T, sz> &a) noexcept:
 			m_items(a.data()),

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

@@ -28,7 +28,7 @@ OX_CLANG_NOWARN_BEGIN(-Wunsafe-buffer-usage)
 namespace ox {
 
 template<typename Integer>
-constexpr ox::IString<21> itoa(Integer v) noexcept;
+constexpr ox::IString<21> intToStr(Integer v) noexcept;
 
 template<std::size_t SmallStringSize_v>
 class BasicString {
@@ -213,22 +213,22 @@ class BasicString {
 
 		[[nodiscard]]
 		constexpr const char *c_str() const noexcept {
-			return static_cast<const char*>(m_buff.data());
+			return m_buff.data();
 		}
 
 		[[nodiscard]]
-		inline explicit operator const char*() const {
+		constexpr explicit operator const char*() const {
 			return c_str();
 		}
 
 #if __has_include(<string>)
 		[[nodiscard]]
-		inline std::string toStdString() const {
+		std::string toStdString() const {
 			return c_str();
 		}
 
 		[[nodiscard]]
-		inline explicit operator std::string() const {
+		explicit operator std::string() const {
 			return c_str();
 		}
 #endif
@@ -317,13 +317,13 @@ constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operat
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operator=(int64_t i) noexcept {
-	set(ox::itoa(i));
+	set(ox::intToStr(i));
 	return *this;
 }
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operator=(uint64_t i) noexcept {
-	set(ox::itoa(i));
+	set(ox::intToStr(i));
 	return *this;
 }
 
@@ -371,7 +371,7 @@ constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operat
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> &BasicString<SmallStringSize_v>::operator+=(Integer_c auto i) noexcept {
-	auto const str = ox::itoa(i);
+	auto const str = ox::intToStr(i);
 	return this->operator+=(str.c_str());
 }
 
@@ -414,7 +414,7 @@ constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operato
 
 template<std::size_t SmallStringSize_v>
 constexpr BasicString<SmallStringSize_v> BasicString<SmallStringSize_v>::operator+(Integer_c auto i) const noexcept {
-	auto const str = ox::itoa(i);
+	auto const str = ox::intToStr(i);
 	return *this + str;
 }
 

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

@@ -32,7 +32,9 @@ class StringLiteral: public detail::BaseStringView {
 
 		constexpr explicit StringLiteral(const char *str, std::size_t len) noexcept: BaseStringView(str, len) {}
 
+		OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 		constexpr explicit StringLiteral(char const *str) noexcept: StringLiteral(str, ox::strlen(str)) {}
+		OX_ALLOW_UNSAFE_BUFFERS_END
 
 		constexpr StringLiteral &operator=(StringLiteral const&other) noexcept {
 			if (&other != this) {

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

@@ -100,7 +100,8 @@ constexpr auto toStdStringView(StringViewCR sv) noexcept {
 #endif
 
 
-constexpr ox::Result<int> atoi(ox::StringViewCR str) noexcept {
+constexpr ox::Result<int> strToInt(ox::StringViewCR str) noexcept {
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	int total = 0;
 	int multiplier = 1;
 	for (auto i = static_cast<int64_t>(str.len()) - 1; i != -1; --i) {
@@ -113,6 +114,7 @@ constexpr ox::Result<int> atoi(ox::StringViewCR str) noexcept {
 		}
 	}
 	return total;
+	OX_ALLOW_UNSAFE_BUFFERS_END
 }
 
 

deps/ox/src/ox/std/strops.cpp

@@ -9,6 +9,8 @@
 #include "def.hpp"
 #include "strops.hpp"
 
+OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+
 static_assert(ox::strcmp("asdf", "hijk") < 0, "asdf < hijk");
 static_assert(ox::strcmp("hijk", "asdf") > 0, "hijk > asdf");
 static_assert(ox::strcmp("resize", "read") > 0, "resize > read");
@@ -42,3 +44,5 @@ std::size_t strlen(const char *str) {
 }
 
 #endif
+
+OX_ALLOW_UNSAFE_BUFFERS_END

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

@@ -145,6 +145,7 @@ OX_CLANG_NOWARN_END
 			return ox::Error{};
 		}
 	},
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
 	{
 		"ABCDEFG != HIJKLMN",
 		[]() {
@@ -169,6 +170,7 @@ OX_CLANG_NOWARN_END
 			return ox::Error(ox::memcmp("ABCDEFGHI", "ABCDEFG", 7) != 0);
 		}
 	},
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	{
 		"IString",
 		[]() {

deps/ox/src/ox/std/tracehook.cpp

@@ -39,6 +39,8 @@ enum LogChan {
 	Debug = 4,
 };
 
+OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+
 template<LogChan chan>
 static void log(ox::StringViewCR str) {
 	const auto sz = ox::min<std::size_t>(0x100, str.bytes());
@@ -103,5 +105,7 @@ void oxTraceHook([[maybe_unused]] const char *file, [[maybe_unused]] int line,
 #endif
 }
 
+OX_ALLOW_UNSAFE_BUFFERS_END
+
 }
 

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

@@ -105,6 +105,10 @@ class UUID {
 		ox::Array<uint8_t, 16> m_value{};
 
 	public:
+
+		static constexpr auto TypeName = "net.drinkingtea.ox.UUID";
+		static constexpr auto TypeVersion = 1;
+
 		static void seedGenerator(const RandomSeed &seed) noexcept;
 
 		static ox::Result<UUID> generate() noexcept;

release-notes.md

@@ -1,4 +1,42 @@
-# d2025.02
+# d2025.06.0
+
+* Add ability to remember recent projects in config
+* PaletteEditor: Add RGB key shortcuts for focusing color channels
+
+# d2025.05.2
+
+* TileSheetEditor: Fix manual redo of draw actions, fix drawing to pixel 0, 0 as first action (cce5f52f96511694afd98f0b9b6b1f19c06ecd20)
+* TileSheetEditor: Fix draw command to work on same pixel after switching subsheets (514cb978351ee4b0a5335c22a506a6d9f608f0a7)
+
+# d2025.05.1
+
+* TileSheetEditor: Fix overrun errors when switching subsheets, clear selection
+  on switch (261e324acd)
+* Fix new build error that occurs in MSVC (26d5048e6720c4c2d52508a6ee44c67dd9fe3ee5)
+
+# d2025.05.0
+
+* Add app icon for both window and file
+* Change application font to Roboto Medium
+* Closing application will now confirm with user if any files have unsaved
+  changes.
+* UUID duplicates will now be reported when opening a project
+* Deleting a directory now closes files in that directory
+* Delete key now initiates deletion of selected directory
+* Remove ability to re-order tabs. There were bugs associated with that.
+* TileSheetEditor: Fix selection clearing in to work when clicking outside
+  image.
+* TileSheetEditor: Fix Delete Tile functionality, which was completely broken
+* PaletteEditor: Fix color number key range in. Previously, pressing A caused
+  the editor to jump to the last color.
+* PaletteEditor: page rename will now take effect upon pressing enter if the
+  text input has focus
+
+# d2025.02.1
+
+* Fix closing tab with unsaved changes (a44c5acc4b)
+
+# d2025.02.0
 
 * Rename core namespace to gfx.
 * Add PaletteV5 to accommodate namespace change.

sample_project/Palettes/SC9K_Logo.npal

@@ -0,0 +1,28 @@
+K1;3d1a77ec-265f-4905-2061-4f1003ee2189;O1;net.drinkingtea.nostalgia.gfx.Palette;5;{
+	"colorNames" : 
+	[
+		"Color 1",
+		"Color 2",
+		"Color 3"
+	],
+	"pages" : 
+	[
+		{
+			"colors" : 
+			[
+				{
+					"b" : 10,
+					"g" : 5,
+					"r" : 5
+				},
+				{},
+				{
+					"b" : 31,
+					"g" : 31,
+					"r" : 31
+				}
+			],
+			"name" : "Page 1"
+		}
+	]
+}

sample_project/TileSheets/NS_Logo16.nts

@@ -0,0 +1,269 @@
+K1;e7ae945e-d6c5-4444-5738-be95b4e5937a;O1;net.drinkingtea.nostalgia.gfx.TileSheet;5;{
+	"bpp" : 4,
+	"defaultPalette" : "uuid://c79f21e2-f74f-4ad9-90ed-32b0ef7da6ed",
+	"subsheet" : 
+	{
+		"columns" : 2,
+		"name" : "Root",
+		"pixels" : 
+		[
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			3,
+			3,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			1,
+			0,
+			0,
+			2,
+			3,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			3,
+			2,
+			0,
+			0,
+			1,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			3,
+			3,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			1,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0,
+			0
+		],
+		"rows" : 2
+	}
+}

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

@@ -238,7 +238,7 @@ uint_t spriteCount(Context &ctx) noexcept;
 
 ox::Error initConsole(Context &ctx) noexcept;
 
-void puts(Context &ctx, int column, int row, ox::StringViewCR str) noexcept;
+void consoleWrite(Context &ctx, int column, int row, ox::StringViewCR str) noexcept;
 
 }
 

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

@@ -36,13 +36,13 @@ OX_ALLOW_UNSAFE_BUFFERS_END
 	setBgStatus(*ctx, 0, true);
 	clearBg(*ctx, 0);
 	auto const serr = ox::sfmt<ox::IString<23>>("Error code: {}", static_cast<int64_t>(err));
-	puts(*ctx, 32 + 1,  1, "SADNESS...");
-	puts(*ctx, 32 + 1,  4, "UNEXPECTED STATE:");
-	puts(*ctx, 32 + 2,  6, panicMsg);
+	consoleWrite(*ctx, 32 + 1,  1, "SADNESS...");
+	consoleWrite(*ctx, 32 + 1,  4, "UNEXPECTED STATE:");
+	consoleWrite(*ctx, 32 + 2,  6, panicMsg);
 	if (err) {
-		puts(*ctx, 32 + 2,  8, serr);
+		consoleWrite(*ctx, 32 + 2,  8, serr);
 	}
-	puts(*ctx, 32 + 1, 15, "PLEASE RESTART THE SYSTEM");
+	consoleWrite(*ctx, 32 + 1, 15, "PLEASE RESTART THE SYSTEM");
 	// print to terminal if in mGBA
 	oxErrf("\033[31;1;1mPANIC:\033[0m [{}:{}]: {}\n", file, line, panicMsg);
 	if (err.msg) {

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

@@ -251,7 +251,7 @@ ox::Error initConsole(Context &ctx) noexcept {
 	return loadBgPalette(ctx, 0, PaletteAddr);
 }
 
-void puts(
+void consoleWrite(
 		Context &ctx,
 		int const column,
 		int const row,

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

@@ -14,19 +14,6 @@
 namespace nostalgia::gfx {
 
 static class: public keel::Module {
-	private:
-		NostalgiaPaletteToPaletteV1Converter m_nostalgiaPaletteToPaletteV1Converter;
-		PaletteV1ToPaletteV2Converter m_paletteV1ToPaletteV2Converter;
-		PaletteV2ToPaletteV3Converter m_paletteV2ToPaletteV3Converter;
-		PaletteV3ToPaletteV4Converter m_paletteV3ToPaletteV4Converter;
-		PaletteV4ToPaletteV5Converter m_paletteV4ToPaletteV5Converter;
-		PaletteToCompactPaletteConverter m_paletteToCompactPaletteConverter;
-		TileSheetV1ToTileSheetV2Converter m_tileSheetV1ToTileSheetV2Converter;
-		TileSheetV2ToTileSheetV3Converter m_tileSheetV2ToTileSheetV3Converter;
-		TileSheetV3ToTileSheetV4Converter m_tileSheetV3ToTileSheetV4Converter;
-		TileSheetV4ToTileSheetV5Converter m_tileSheetV4ToTileSheetV5Converter;
-		TileSheetToCompactTileSheetConverter m_tileSheetToCompactTileSheetConverter;
-
 	public:
 		[[nodiscard]]
 		ox::String id() const noexcept override {
@@ -52,19 +39,19 @@ static class: public keel::Module {
 		}
 
 		[[nodiscard]]
-		ox::Vector<keel::BaseConverter const*> converters() const noexcept final {
+		ox::Vector<keel::Converter> converters() const noexcept final {
 			return {
-				&m_nostalgiaPaletteToPaletteV1Converter,
-				&m_paletteV1ToPaletteV2Converter,
-				&m_paletteV2ToPaletteV3Converter,
-				&m_paletteV3ToPaletteV4Converter,
-				&m_paletteV4ToPaletteV5Converter,
-				&m_paletteToCompactPaletteConverter,
-				&m_tileSheetV1ToTileSheetV2Converter,
-				&m_tileSheetV2ToTileSheetV3Converter,
-				&m_tileSheetV3ToTileSheetV4Converter,
-				&m_tileSheetV4ToTileSheetV5Converter,
-				&m_tileSheetToCompactTileSheetConverter,
+				keel::Converter::make<convertNostalgiaPaletteToPaletteV1>(),
+				keel::Converter::make<convertPaletteV1ToPaletteV2>(),
+				keel::Converter::make<convertPaletteV2ToPaletteV3>(),
+				keel::Converter::make<convertPaletteV3ToPaletteV4>(),
+				keel::Converter::make<convertPaletteV4ToPaletteV5>(),
+				keel::Converter::make<convertPaletteToCompactPalette>(),
+				keel::Converter::make<convertTileSheetV1ToTileSheetV2>(),
+				keel::Converter::make<convertTileSheetV2ToTileSheetV3>(),
+				keel::Converter::make<convertTileSheetV3ToTileSheetV4>(),
+				keel::Converter::make<convertTileSheetV4ToTileSheetV5>(),
+				keel::Converter::make<convertTileSheetToCompactTileSheet>(),
 			};
 		}
 

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

@@ -6,26 +6,26 @@
 
 namespace nostalgia::gfx {
 
-ox::Error NostalgiaPaletteToPaletteV1Converter::convert(
+ox::Error convertNostalgiaPaletteToPaletteV1(
 		keel::Context&,
 		NostalgiaPalette &src,
-		PaletteV1 &dst) const noexcept {
+		PaletteV1 &dst) noexcept {
 	dst.colors = std::move(src.colors);
 	return {};
 }
 
-ox::Error PaletteV1ToPaletteV2Converter::convert(
+ox::Error convertPaletteV1ToPaletteV2(
 		keel::Context&,
 		PaletteV1 &src,
-		PaletteV2 &dst) const noexcept {
+		PaletteV2 &dst) noexcept {
 	dst.pages.emplace_back(std::move(src.colors));
 	return {};
 }
 
-ox::Error PaletteV2ToPaletteV3Converter::convert(
+ox::Error convertPaletteV2ToPaletteV3(
 		keel::Context&,
 		PaletteV2 &src,
-		PaletteV3 &dst) const noexcept {
+		PaletteV3 &dst) noexcept {
 	dst.pages = std::move(src.pages);
 	if (!dst.pages.empty()) {
 		dst.colorInfo.reserve(dst.pages[0].size());
@@ -36,10 +36,10 @@ ox::Error PaletteV2ToPaletteV3Converter::convert(
 	return {};
 }
 
-ox::Error PaletteV3ToPaletteV4Converter::convert(
+ox::Error convertPaletteV3ToPaletteV4(
 		keel::Context&,
 		PaletteV3 &src,
-		PaletteV4 &dst) const noexcept {
+		PaletteV4 &dst) noexcept {
 	dst.pages.reserve(src.pages.size());
 	for (auto i = 1; auto &page : src.pages) {
 		dst.pages.emplace_back(ox::sfmt("Page {}", i), std::move(page));
@@ -52,10 +52,10 @@ ox::Error PaletteV3ToPaletteV4Converter::convert(
 	return {};
 }
 
-ox::Error PaletteV4ToPaletteV5Converter::convert(
+ox::Error convertPaletteV4ToPaletteV5(
 		keel::Context&,
 		PaletteV4 &src,
-		PaletteV5 &dst) const noexcept {
+		PaletteV5 &dst) noexcept {
 	dst.colorNames = std::move(src.colorNames);
 	dst.pages.reserve(src.pages.size());
 	for (auto &s : src.pages) {
@@ -72,10 +72,10 @@ ox::Error PaletteV4ToPaletteV5Converter::convert(
 	return {};
 }
 
-ox::Error PaletteToCompactPaletteConverter::convert(
+ox::Error convertPaletteToCompactPalette(
 		keel::Context&,
 		Palette &src,
-		CompactPalette &dst) const noexcept {
+		CompactPalette &dst) noexcept {
 	dst.pages.reserve(src.pages.size());
 	for (auto &page : src.pages) {
 		auto &p = dst.pages.emplace_back();
@@ -86,10 +86,10 @@ ox::Error PaletteToCompactPaletteConverter::convert(
 	return {};
 }
 
-ox::Error TileSheetV1ToTileSheetV2Converter::convert(
+ox::Error convertTileSheetV1ToTileSheetV2(
 		keel::Context&,
 		TileSheetV1 &src,
-		TileSheetV2 &dst) const noexcept {
+		TileSheetV2 &dst) noexcept {
 	dst.bpp              = src.bpp;
 	dst.defaultPalette   = std::move(src.defaultPalette);
 	dst.subsheet.name    = "Root";
@@ -99,7 +99,7 @@ ox::Error TileSheetV1ToTileSheetV2Converter::convert(
 	return {};
 }
 
-void TileSheetV2ToTileSheetV3Converter::convertSubsheet(
+static void convertSubsheet(
 		TileSheetV2::SubSheet &src,
 		TileSheetV3::SubSheet &dst,
 		SubSheetId &idIt) noexcept {
@@ -115,10 +115,10 @@ void TileSheetV2ToTileSheetV3Converter::convertSubsheet(
 	}
 }
 
-ox::Error TileSheetV2ToTileSheetV3Converter::convert(
+ox::Error convertTileSheetV2ToTileSheetV3(
 		keel::Context&,
 		TileSheetV2 &src,
-		TileSheetV3 &dst) const noexcept {
+		TileSheetV3 &dst) noexcept {
 	dst.bpp            = src.bpp;
 	dst.defaultPalette = std::move(src.defaultPalette);
 	convertSubsheet(src.subsheet, dst.subsheet, dst.idIt);
@@ -126,7 +126,7 @@ ox::Error TileSheetV2ToTileSheetV3Converter::convert(
 }
 
 
-void TileSheetV3ToTileSheetV4Converter::convertSubsheet(
+static void convertSubsheet(
 		TileSheetV3::SubSheet &src,
 		TileSheetV4::SubSheet &dst,
 		SubSheetId &idIt) noexcept {
@@ -142,10 +142,10 @@ void TileSheetV3ToTileSheetV4Converter::convertSubsheet(
 	}
 }
 
-ox::Error TileSheetV3ToTileSheetV4Converter::convert(
+ox::Error convertTileSheetV3ToTileSheetV4(
 		keel::Context&,
 		TileSheetV3 &src,
-		TileSheetV4 &dst) const noexcept {
+		TileSheetV4 &dst) noexcept {
 	dst.bpp            = src.bpp;
 	dst.idIt           = src.idIt;
 	dst.defaultPalette = std::move(src.defaultPalette);
@@ -154,7 +154,7 @@ ox::Error TileSheetV3ToTileSheetV4Converter::convert(
 }
 
 
-void TileSheetV4ToTileSheetV5Converter::convertSubsheet(
+static void convertSubsheet(
 		int const bpp,
 		TileSheetV4::SubSheet &src,
 		TileSheetV5::SubSheet &dst) noexcept {
@@ -179,22 +179,22 @@ void TileSheetV4ToTileSheetV5Converter::convertSubsheet(
 	}
 }
 
-ox::Error TileSheetV4ToTileSheetV5Converter::convert(
+ox::Error convertTileSheetV4ToTileSheetV5(
 		keel::Context&,
 		TileSheetV4 &src,
-		TileSheetV5 &dst) const noexcept {
-	dst.bpp            = src.bpp;
-	dst.idIt           = src.idIt;
+		TileSheetV5 &dst) noexcept {
+	dst.bpp  = src.bpp;
+	dst.idIt = src.idIt;
 	OX_RETURN_ERROR(src.defaultPalette.getPath().moveTo(dst.defaultPalette));
 	convertSubsheet(dst.bpp, src.subsheet, dst.subsheet);
 	return {};
 }
 
 
-ox::Error TileSheetToCompactTileSheetConverter::convert(
+ox::Error convertTileSheetToCompactTileSheet(
 		keel::Context&,
 		TileSheet &src,
-		CompactTileSheet &dst) const noexcept {
+		CompactTileSheet &dst) noexcept {
 	dst.bpp            = src.bpp;
 	dst.defaultPalette = ox::FileAddress{src.defaultPalette};
 	dst.pixels         = pixels(src);

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

@@ -16,60 +16,26 @@ namespace nostalgia::gfx {
 
 // Type converters
 
-class NostalgiaPaletteToPaletteV1Converter: public keel::Converter<NostalgiaPalette, PaletteV1> {
-	ox::Error convert(keel::Context&, NostalgiaPalette &src, PaletteV1 &dst) const noexcept final;
-};
+ox::Error convertNostalgiaPaletteToPaletteV1(keel::Context&, NostalgiaPalette &src, PaletteV1 &dst) noexcept;
 
-class PaletteV1ToPaletteV2Converter: public keel::Converter<PaletteV1, PaletteV2> {
-	ox::Error convert(keel::Context&, PaletteV1 &src, PaletteV2 &dst) const noexcept final;
-};
+ox::Error convertPaletteV1ToPaletteV2(keel::Context&, PaletteV1 &src, PaletteV2 &dst) noexcept;
 
-class PaletteV2ToPaletteV3Converter: public keel::Converter<PaletteV2, PaletteV3> {
-	ox::Error convert(keel::Context&, PaletteV2 &src, PaletteV3 &dst) const noexcept final;
-};
+ox::Error convertPaletteV2ToPaletteV3(keel::Context&, PaletteV2 &src, PaletteV3 &dst) noexcept;
 
-class PaletteV3ToPaletteV4Converter: public keel::Converter<PaletteV3, PaletteV4> {
-	ox::Error convert(keel::Context&, PaletteV3 &src, PaletteV4 &dst) const noexcept final;
-};
+ox::Error convertPaletteV3ToPaletteV4(keel::Context&, PaletteV3 &src, PaletteV4 &dst) noexcept;
 
-class PaletteV4ToPaletteV5Converter: public keel::Converter<PaletteV4, PaletteV5> {
-	ox::Error convert(keel::Context&, PaletteV4 &src, PaletteV5 &dst) const noexcept final;
-};
+ox::Error convertPaletteV4ToPaletteV5(keel::Context&, PaletteV4 &src, PaletteV5 &dst) noexcept;
 
-class PaletteToCompactPaletteConverter: public keel::Converter<Palette, CompactPalette> {
-	ox::Error convert(keel::Context&, Palette &src, CompactPalette &dst) const noexcept final;
-};
+ox::Error convertPaletteToCompactPalette(keel::Context&, Palette &src, CompactPalette &dst) noexcept;
 
-class TileSheetV1ToTileSheetV2Converter: public keel::Converter<TileSheetV1, TileSheetV2> {
-	ox::Error convert(keel::Context&, TileSheetV1 &src, TileSheetV2 &dst) const noexcept final;
-};
+ox::Error convertTileSheetV1ToTileSheetV2(keel::Context&, TileSheetV1 &src, TileSheetV2 &dst) noexcept;
 
-class TileSheetV2ToTileSheetV3Converter: public keel::Converter<TileSheetV2, TileSheetV3> {
-	static void convertSubsheet(
-			TileSheetV2::SubSheet &src,
-			TileSheetV3::SubSheet &dst,
-			SubSheetId &idIt) noexcept;
-	ox::Error convert(keel::Context&, TileSheetV2 &src, TileSheetV3 &dst) const noexcept final;
-};
+ox::Error convertTileSheetV2ToTileSheetV3(keel::Context&, TileSheetV2 &src, TileSheetV3 &dst) noexcept;
 
-class TileSheetV3ToTileSheetV4Converter: public keel::Converter<TileSheetV3, TileSheetV4> {
-	static void convertSubsheet(
-			TileSheetV3::SubSheet &src,
-			TileSheetV4::SubSheet &dst,
-			SubSheetId &idIt) noexcept;
-	ox::Error convert(keel::Context&, TileSheetV3 &src, TileSheetV4 &dst) const noexcept final;
-};
+ox::Error convertTileSheetV3ToTileSheetV4(keel::Context&, TileSheetV3 &src, TileSheetV4 &dst) noexcept;
 
-class TileSheetV4ToTileSheetV5Converter final: public keel::Converter<TileSheetV4, TileSheetV5> {
-	static void convertSubsheet(
-			int bpp,
-			TileSheetV4::SubSheet &src,
-			TileSheetV5::SubSheet &dst) noexcept;
-	ox::Error convert(keel::Context&, TileSheetV4 &src, TileSheetV5 &dst) const noexcept override;
-};
+ox::Error convertTileSheetV4ToTileSheetV5(keel::Context&, TileSheetV4 &src, TileSheetV5 &dst) noexcept;
 
-class TileSheetToCompactTileSheetConverter: public keel::Converter<TileSheet, CompactTileSheet> {
-	ox::Error convert(keel::Context&, TileSheet &src, CompactTileSheet &dst) const noexcept final;
-};
+ox::Error convertTileSheetToCompactTileSheet(keel::Context&, TileSheet &src, CompactTileSheet &dst) noexcept;
 
 }

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

@@ -50,22 +50,25 @@ void PaletteEditorImGui::PageRenameDialog::draw(turbine::Context &tctx) noexcept
 		return;
 	}
 	if (ig::BeginPopup(tctx, "Rename Page", m_show)) {
+		if (ImGui::IsWindowAppearing()) {
+			ImGui::SetKeyboardFocusHere();
+		}
 		ig::InputText("Name", m_name);
-		switch (ig::PopupControlsOkCancel(m_show)) {
-			case ig::PopupResponse::OK:
-				inputSubmitted.emit(m_name);
-				[[fallthrough]];
-			case ig::PopupResponse::Cancel:
-				close();
-			default:
-				break;
+		auto const nameInputFocused = ImGui::IsItemFocused();
+		auto const resp = ig::PopupControlsOkCancel(m_show);
+		if ((nameInputFocused && ImGui::IsKeyPressed(ImGuiKey_Enter))
+			|| resp == ig::PopupResponse::OK) {
+			inputSubmitted.emit(m_name);
+			close();
+		} else if (resp == ig::PopupResponse::Cancel) {
+			close();
 		}
 		ImGui::EndPopup();
 	}
 }
 
 
-PaletteEditorImGui::PaletteEditorImGui(studio::StudioContext &sctx, ox::StringParam path):
+PaletteEditorImGui::PaletteEditorImGui(studio::Context &sctx, ox::StringParam path):
 		Editor(sctx, std::move(path)),
 		m_sctx(sctx),
 		m_tctx(sctx.tctx),
@@ -74,7 +77,7 @@ PaletteEditorImGui::PaletteEditorImGui(studio::StudioContext &sctx, ox::StringPa
 	m_pageRenameDlg.inputSubmitted.connect(this, &PaletteEditorImGui::renamePage);
 }
 
-void PaletteEditorImGui::draw(studio::StudioContext&) noexcept {
+void PaletteEditorImGui::draw(studio::Context&) noexcept {
 	auto const paneSize = ImGui::GetContentRegionAvail();
 	{
 		ImGui::BeginChild("Pages", {280, paneSize.y}, true);
@@ -102,13 +105,13 @@ void PaletteEditorImGui::navigateTo(ox::StringViewCR arg) noexcept {
 	auto const &color = args[0];
 	auto const &page = args[1];
 	{
-		auto const [c, err] = atoi(color);
+		auto const [c, err] = strToInt(color);
 		if (!err && static_cast<size_t>(c) < colorCnt(m_pal)) {
 			m_selectedColorRow = static_cast<size_t>(c);
 		}
 	}
 	{
-		auto const [pg, err] = atoi(page);
+		auto const [pg, err] = strToInt(page);
 		if (!err && static_cast<size_t>(pg) < m_pal.pages.size()) {
 			m_page = static_cast<size_t>(pg);
 		}
@@ -131,7 +134,7 @@ void PaletteEditorImGui::numShortcuts(size_t &val, size_t const sizeRange) noexc
 	auto const lastElem = sizeRange - 1;
 	if (ImGui::IsKeyPressed(ImGuiKey_0)) {
 		val = ox::min<size_t>(9, lastElem);
-	} else for (auto i = 9u; i < 10; --i) {
+	} else for (auto i = 8u; i < 9; --i) {
 		auto const key = static_cast<ImGuiKey>(ImGuiKey_1 + i);
 		if (ImGui::IsKeyPressed(key)) {
 			val = ox::min<size_t>(i, lastElem);

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

@@ -31,16 +31,16 @@ class PaletteEditorImGui: public studio::Editor {
 				constexpr bool isOpen() const noexcept { return m_show; }
 				void draw(turbine::Context &tctx) noexcept;
 		} m_pageRenameDlg;
-		studio::StudioContext &m_sctx;
+		studio::Context &m_sctx;
 		turbine::Context &m_tctx;
 		Palette m_pal;
 		size_t m_selectedColorRow = 0;
 		size_t m_page = 0;
 
 	public:
-		PaletteEditorImGui(studio::StudioContext &sctx, ox::StringParam path);
+		PaletteEditorImGui(studio::Context &sctx, ox::StringParam path);
 
-		void draw(studio::StudioContext&) noexcept final;
+		void draw(studio::Context&) noexcept final;
 
 	protected:
 		ox::Error saveItem() noexcept final;
@@ -53,7 +53,7 @@ class PaletteEditorImGui: public studio::Editor {
 		static void drawColumn(ox::CStringView txt) noexcept;
 
 		static void drawColumn(ox::Integer_c auto i) noexcept {
-			drawColumn(ox::itoa(i));
+			drawColumn(ox::intToStr(i));
 		}
 
 		static void numShortcuts(size_t &val, size_t sizeRange) noexcept;

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

@@ -12,15 +12,15 @@
 namespace nostalgia::gfx {
 
 static class: public studio::Module {
-	ox::Vector<studio::EditorMaker> editors(studio::StudioContext &ctx) const noexcept final {
+	ox::Vector<studio::EditorMaker> editors(studio::Context &ctx) const noexcept final {
 		return {
 			studio::editorMaker<TileSheetEditorImGui>(ctx, {FileExt_ng, FileExt_nts}),
 			studio::editorMaker<PaletteEditorImGui>(ctx, FileExt_npal),
 		};
 	}
 
-	ox::Vector<ox::UPtr<studio::ItemMaker>> itemMakers(studio::StudioContext&) const noexcept final {
-		ox::Vector<ox::UniquePtr<studio::ItemMaker>> out;
+	ox::Vector<ox::UPtr<studio::ItemMaker>> itemMakers(studio::Context&) const noexcept final {
+		ox::Vector<ox::UPtr<studio::ItemMaker>> out;
 		out.emplace_back(ox::make<studio::ItemMakerT<TileSheet>>("Tile Sheet", "TileSheets", FileExt_nts));
 		out.emplace_back(ox::make<studio::ItemMakerT<Palette>>("Palette", "Palettes", FileExt_npal, Palette{
 			.colorNames = {},

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

@@ -27,11 +27,14 @@ CutPasteCommand::CutPasteCommand(
 		TileSheet::SubSheetIdx subSheetIdx,
 		ox::Point const&dstStart,
 		ox::Point dstEnd,
-		TileSheetClipboard const&cb) noexcept:
+		TileSheetClipboard const&cb):
 		m_commandId(commandId),
 		m_img(img),
 		m_subSheetIdx(std::move(subSheetIdx)) {
 	auto const&ss = getSubSheet(m_img, m_subSheetIdx);
+	if (dstStart.x >= ss.columns * TileWidth || dstStart.y >= ss.rows * TileHeight) {
+		throw ox::Exception{1, "paste starts beyond the bounds of target"};
+	}
 	dstEnd.x = std::min(ss.columns * TileWidth - 1, dstEnd.x);
 	dstEnd.y = std::min(ss.rows * TileHeight - 1, dstEnd.y);
 	for (auto const&p : cb.pixels()) {

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

@@ -69,7 +69,7 @@ class CutPasteCommand: public TileSheetCommand {
 				TileSheet::SubSheetIdx subSheetIdx,
 				ox::Point const&dstStart,
 				ox::Point dstEnd,
-				TileSheetClipboard const&cb) noexcept;
+				TileSheetClipboard const&cb);
 
 		ox::Error redo() noexcept final;
 

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

@@ -8,14 +8,14 @@
 
 namespace nostalgia::gfx {
 
-gfx::DeleteTilesCommand::DeleteTilesCommand(
+DeleteTilesCommand::DeleteTilesCommand(
 		TileSheet &img,
 		TileSheet::SubSheetIdx idx,
-		std::size_t tileIdx,
-		std::size_t tileCnt) noexcept:
+		std::size_t const tileIdx,
+		std::size_t const tileCnt) noexcept:
 		m_img(img),
 		m_idx(std::move(idx)) {
-	const unsigned bytesPerTile = m_img.bpp == 4 ? PixelsPerTile / 2 : PixelsPerTile;
+	constexpr unsigned bytesPerTile = PixelsPerTile;
 	m_deletePos = tileIdx * bytesPerTile;
 	m_deleteSz = tileCnt * bytesPerTile;
 	m_deletedPixels.resize(m_deleteSz);
@@ -28,15 +28,21 @@ gfx::DeleteTilesCommand::DeleteTilesCommand(
 	}
 }
 
-ox::Error gfx::DeleteTilesCommand::redo() noexcept {
+ox::Error DeleteTilesCommand::redo() noexcept {
 	auto &s = getSubSheet(m_img, m_idx);
 	auto &p = s.pixels;
-	auto srcPos = m_deletePos + m_deleteSz;
-	auto const src = &p[srcPos];
+	auto const srcPos = m_deletePos + m_deleteSz;
 	auto const dst1 = &p[m_deletePos];
 	auto const dst2 = &p[(p.size() - m_deleteSz)];
-	ox::memmove(dst1, src, p.size() - srcPos);
-	ox::memset(dst2, 0, m_deleteSz * sizeof(decltype(p[0])));
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+	if (srcPos < p.size()) {
+		auto const src = &p[srcPos];
+		ox::memmove(dst1, src, p.size() - srcPos);
+		ox::memset(dst2, 0, m_deleteSz * sizeof(decltype(p[0])));
+	} else {
+		ox::memset(dst1, 0, p.size() - m_deletePos);
+	}
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	return {};
 }
 
@@ -44,11 +50,16 @@ ox::Error DeleteTilesCommand::undo() noexcept {
 	auto &s = getSubSheet(m_img, m_idx);
 	auto &p = s.pixels;
 	auto const src = &p[m_deletePos];
-	auto const dst1 = &p[m_deletePos + m_deleteSz];
-	auto const dst2 = src;
 	auto const sz = p.size() - m_deletePos - m_deleteSz;
-	ox::memmove(dst1, src, sz);
+	auto const srcPos = m_deletePos + m_deleteSz;
+	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+	if (srcPos < p.size()) {
+		auto const dst1 = &p[m_deletePos + m_deleteSz];
+		ox::memmove(dst1, src, sz);
+	}
+	auto const dst2 = src;
 	ox::memcpy(dst2, m_deletedPixels.data(), m_deletedPixels.size());
+	OX_ALLOW_UNSAFE_BUFFERS_END
 	return {};
 }
 

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

@@ -9,28 +9,29 @@ namespace nostalgia::gfx {
 InsertTilesCommand::InsertTilesCommand(
 		TileSheet &img,
 		TileSheet::SubSheetIdx idx,
-		std::size_t tileIdx,
-		std::size_t tileCnt) noexcept:
-		m_img(img),
-		m_idx(std::move(idx)) {
-	const unsigned bytesPerTile = m_img.bpp == 4 ? PixelsPerTile / 2 : PixelsPerTile;
-	m_insertPos = tileIdx * bytesPerTile;
-	m_insertCnt = tileCnt * bytesPerTile;
+		std::size_t const tileIdx,
+		std::size_t const tileCnt) noexcept:
+		m_img{img},
+		m_idx{std::move(idx)} {
+	m_insertPos = tileIdx * PixelsPerTile;
+	m_insertCnt = tileCnt * PixelsPerTile;
 	m_deletedPixels.resize(m_insertCnt);
 	// copy pixels to be erased
 	{
 		auto &s = getSubSheet(m_img, m_idx);
 		auto &p = s.pixels;
-		auto dst = m_deletedPixels.begin();
-		auto src = p.begin() + p.size() - m_insertCnt;
+		auto const dst = m_deletedPixels.begin();
+		auto const src = p.begin() + p.size() - m_insertCnt;
 		ox::copy_n(src, m_insertCnt, dst);
 	}
 }
 
+OX_ALLOW_UNSAFE_BUFFERS_BEGIN
+
 ox::Error InsertTilesCommand::redo() noexcept {
 	auto &s = getSubSheet(m_img, m_idx);
 	auto &p = s.pixels;
-	auto dstPos = m_insertPos + m_insertCnt;
+	auto const dstPos = m_insertPos + m_insertCnt;
 	auto const src = &p[m_insertPos];
 	if (dstPos < p.size()) {
 		auto const dst = &p[dstPos];
@@ -55,6 +56,8 @@ ox::Error InsertTilesCommand::undo() noexcept {
 	return {};
 }
 
+OX_ALLOW_UNSAFE_BUFFERS_END
+
 int InsertTilesCommand::commandId() const noexcept {
 	return static_cast<int>(CommandId::InsertTile);
 }

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

@@ -6,14 +6,14 @@
 
 namespace nostalgia::gfx {
 
-gfx::PaletteChangeCommand::PaletteChangeCommand(
+PaletteChangeCommand::PaletteChangeCommand(
 		TileSheet::SubSheetIdx idx,
 		TileSheet &img,
 		ox::StringViewCR newPalette) noexcept:
-		m_img(img),
-		m_idx(std::move(idx)),
-		m_oldPalette(m_img.defaultPalette),
-		m_newPalette(ox::sfmt<ox::IString<43>>("uuid://{}", newPalette)) {
+		m_img{img},
+		m_idx{std::move(idx)},
+		m_oldPalette{m_img.defaultPalette},
+		m_newPalette{ox::sfmt<ox::IString<43>>("uuid://{}", newPalette)} {
 }
 
 ox::Error PaletteChangeCommand::redo() noexcept {

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

@@ -6,7 +6,7 @@
 
 namespace nostalgia::gfx {
 
-gfx::UpdateSubSheetCommand::UpdateSubSheetCommand(
+UpdateSubSheetCommand::UpdateSubSheetCommand(
 		TileSheet &img,
 		TileSheet::SubSheetIdx idx,
 		ox::StringParam name,

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

@@ -87,7 +87,7 @@ static ox::Error toPngFile(
 					8)));
 }
 
-TileSheetEditorImGui::TileSheetEditorImGui(studio::StudioContext &sctx, ox::StringParam path):
+TileSheetEditorImGui::TileSheetEditorImGui(studio::Context &sctx, ox::StringParam path):
 		Editor(sctx, std::move(path)),
 		m_sctx{sctx},
 		m_tctx{m_sctx.tctx},
@@ -96,7 +96,7 @@ TileSheetEditorImGui::TileSheetEditorImGui(studio::StudioContext &sctx, ox::Stri
 		m_model{m_view.model()} {
 	// connect signal/slots
 	m_subsheetEditor.inputSubmitted.connect(this, &TileSheetEditorImGui::updateActiveSubsheet);
-	m_exportMenu.inputSubmitted.connect(this, &TileSheetEditorImGui::exportSubhseetToPng);
+	m_exportMenu.inputSubmitted.connect(this, &TileSheetEditorImGui::exportSubsheetToPng);
 	// load config
 	auto const&config = studio::readConfig<TileSheetEditorConfig>(
 			keelCtx(m_sctx), itemPath());
@@ -129,7 +129,7 @@ void TileSheetEditorImGui::keyStateChanged(turbine::Key const key, bool const do
 	if (!down) {
 		return;
 	}
-	if (key == turbine::Key::Escape) {
+	if (ig::mainWinHasFocus() && key == turbine::Key::Escape) {
 		m_subsheetEditor.close();
 		m_exportMenu.close();
 		m_palPicker.close();
@@ -188,7 +188,7 @@ void TileSheetEditorImGui::keyStateChanged(turbine::Key const key, bool const do
 	}
 }
 
-void TileSheetEditorImGui::draw(studio::StudioContext&) noexcept {
+void TileSheetEditorImGui::draw(studio::Context&) noexcept {
 	if (ig::mainWinHasFocus() && m_tool == TileSheetTool::Select) {
 		if (ImGui::IsKeyDown(ImGuiKey_ModCtrl) && !m_palPathFocused) {
 			if (ImGui::IsKeyPressed(ImGuiKey_A)) {
@@ -397,7 +397,7 @@ void TileSheetEditorImGui::showSubsheetEditor() noexcept {
 	}
 }
 
-ox::Error TileSheetEditorImGui::exportSubhseetToPng(int const scale) const noexcept {
+ox::Error TileSheetEditorImGui::exportSubsheetToPng(int const scale) const noexcept {
 	OX_REQUIRE(path, studio::saveFile({{"PNG", "png"}}));
 	// subsheet to png
 	auto const&s = m_model.activeSubSheet();
@@ -414,7 +414,7 @@ ox::Error TileSheetEditorImGui::exportSubhseetToPng(int const scale) const noexc
 			static_cast<unsigned>(width * scale),
 			static_cast<unsigned>(height * scale));
 	if (err) {
-		oxErrorf("Tilesheet export failed: {}", toStr(err));
+		oxErrorf("TileSheet export failed: {}", toStr(err));
 	}
 	return err;
 }
@@ -549,7 +549,7 @@ void TileSheetEditorImGui::drawPaletteMenu() noexcept {
 					ImGui::PushID(static_cast<int>(i));
 					// Column: color idx
 					ImGui::TableNextColumn();
-					auto const label = ox::itoa(i + 1);
+					auto const label = ox::intToStr(i + 1);
 					auto const rowSelected = i == m_view.palIdx();
 					if (ImGui::Selectable(
 							label.c_str(), rowSelected, ImGuiSelectableFlags_SpanAllColumns)) {

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

@@ -10,7 +10,6 @@
 #include <studio/editor.hpp>
 #include <studio/filepickerpopup.hpp>
 
-#include "tilesheetpixelgrid.hpp"
 #include "tilesheetpixels.hpp"
 #include "tilesheeteditorview.hpp"
 
@@ -46,7 +45,7 @@ class TileSheetEditorImGui: public studio::Editor {
 				constexpr bool isOpen() const noexcept { return m_show; }
 		};
 		static constexpr float s_palViewWidth = 335;
-		studio::StudioContext &m_sctx;
+		studio::Context &m_sctx;
 		turbine::Context &m_tctx;
 		ox::Vector<ox::String> m_paletteList;
 		SubSheetEditor m_subsheetEditor;
@@ -61,7 +60,7 @@ class TileSheetEditorImGui: public studio::Editor {
 		ox::Vector<ox::UPtr<studio::UndoCommand>, 1> m_deferredCmds;
 
 	public:
-		TileSheetEditorImGui(studio::StudioContext &sctx, ox::StringParam path);
+		TileSheetEditorImGui(studio::Context &sctx, ox::StringParam path);
 
 		~TileSheetEditorImGui() override = default;
 
@@ -78,7 +77,7 @@ class TileSheetEditorImGui: public studio::Editor {
 
 		void keyStateChanged(turbine::Key key, bool down) override;
 
-		void draw(studio::StudioContext&) noexcept override;
+		void draw(studio::Context&) noexcept override;
 
 		void drawSubsheetSelector(TileSheet::SubSheet&, TileSheet::SubSheetIdx &path);
 
@@ -91,7 +90,7 @@ class TileSheetEditorImGui: public studio::Editor {
 	private:
 		void showSubsheetEditor() noexcept;
 
-		ox::Error exportSubhseetToPng(int scale) const noexcept;
+		ox::Error exportSubsheetToPng(int scale) const noexcept;
 
 		void drawTileSheet(ox::Vec2 const&fbSize) noexcept;
 
@@ -99,8 +98,6 @@ class TileSheetEditorImGui: public studio::Editor {
 
 		ox::Error updateActiveSubsheet(ox::StringView const&name, int cols, int rows) noexcept;
 
-	// slots
-	private:
 		void setActiveSubsheet(TileSheet::SubSheetIdx path) noexcept;
 
 };

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

@@ -45,14 +45,14 @@ Palette const TileSheetEditorModel::s_defaultPalette = {
 };
 
 TileSheetEditorModel::TileSheetEditorModel(
-		studio::StudioContext &sctx, ox::StringParam path, studio::UndoStack &undoStack):
-		m_sctx(sctx),
-		m_tctx(m_sctx.tctx),
-		m_path(std::move(path)),
-		m_img(*readObj<TileSheet>(keelCtx(m_tctx), m_path).unwrapThrow()),
+		studio::Context &sctx, ox::StringParam path, studio::UndoStack &undoStack):
+		m_sctx{sctx},
+		m_tctx{m_sctx.tctx},
+		m_path{std::move(path)},
+		m_img{*readObj<TileSheet>(keelCtx(m_tctx), m_path).unwrapThrow()},
 		// ignore failure to load palette
-		m_pal(readObj<Palette>(keelCtx(m_tctx), m_img.defaultPalette).value),
-		m_undoStack(undoStack) {
+		m_pal{readObj<Palette>(keelCtx(m_tctx), m_img.defaultPalette).value},
+		m_undoStack{undoStack} {
 	normalizeSubsheets(m_img.subsheet);
 	m_pal.updated.connect(this, &TileSheetEditorModel::markUpdated);
 	m_undoStack.changeTriggered.connect(this, &TileSheetEditorModel::markUpdatedCmdId);
@@ -67,19 +67,27 @@ void TileSheetEditorModel::cut() {
 	TileSheetClipboard blankCb;
 	auto cb = ox::make_unique<TileSheetClipboard>();
 	auto const&s = activeSubSheet();
-	iterateSelectionRows(*m_selection, [&](int const x, int const y) {
+	if (iterateSelectionRows(*m_selection, [&](int const x, int const y) {
 		auto pt = ox::Point{x, y};
 		auto const idx = gfx::idx(s, pt);
-		auto const c = getPixel(s, idx);
+		if (idx >= s.pixels.size()) {
+			return ox::Error{1, "invalid idx"};
+		}
+		auto const c = s.pixels[idx];
 		pt -= m_selection->a;
 		cb->addPixel(pt, c);
 		blankCb.addPixel(pt, 0);
-	});
+		return ox::Error{};
+	})) {
+		return;
+	}
 	auto const pt1 = m_selection->a;
 	auto const pt2 = ox::Point{s.columns * TileWidth, s.rows * TileHeight};
 	turbine::setClipboardObject(m_tctx, std::move(cb));
-	std::ignore = pushCommand(ox::make<CutPasteCommand>(
-		CommandId::Cut, m_img, m_activeSubsSheetIdx, pt1, pt2, blankCb));
+	if (auto const cmd = ox::makeCatch<CutPasteCommand>(
+		CommandId::Cut, m_img, m_activeSubsSheetIdx, pt1, pt2, blankCb); cmd.ok()) {
+		std::ignore = pushCommand(cmd.value);
+	}
 }
 
 void TileSheetEditorModel::copy() {
@@ -87,14 +95,20 @@ void TileSheetEditorModel::copy() {
 		return;
 	}
 	auto cb = ox::make_unique<TileSheetClipboard>();
-	iterateSelectionRows(*m_selection, [&](int const x, int const y) {
+	if (iterateSelectionRows(*m_selection, [&](int const x, int const y) {
 		auto pt = ox::Point{x, y};
 		auto const&s = activeSubSheet();
 		auto const idx = gfx::idx(s, pt);
-		auto const c = getPixel(s, idx);
+		if (idx >= s.pixels.size()) {
+			return ox::Error{1, "invalid idx"};
+		}
+		auto const c = s.pixels[idx];
 		pt -= m_selection->a;
 		cb->addPixel(pt, c);
-	});
+		return ox::Error{};
+	})) {
+		return;
+	}
 	turbine::setClipboardObject(m_tctx, std::move(cb));
 }
 
@@ -111,8 +125,10 @@ void TileSheetEditorModel::paste() {
 	auto const&s = activeSubSheet();
 	auto const pt1 = m_selection->a;
 	auto const pt2 = ox::Point{s.columns * TileWidth, s.rows * TileHeight};
-	std::ignore = pushCommand(ox::make<CutPasteCommand>(
-		CommandId::Paste, m_img, m_activeSubsSheetIdx, pt1, pt2, *cb));
+	if (auto const cmd = ox::makeCatch<CutPasteCommand>(
+		CommandId::Paste, m_img, m_activeSubsSheetIdx, pt1, pt2, *cb); cmd.ok()) {
+		std::ignore = pushCommand(cmd.value);
+	}
 }
 
 bool TileSheetEditorModel::acceptsClipboardPayload() const noexcept {
@@ -120,7 +136,7 @@ bool TileSheetEditorModel::acceptsClipboardPayload() const noexcept {
 	return cb.ok();
 }
 
-ox::StringView TileSheetEditorModel::palPath() const noexcept {
+ox::String const &TileSheetEditorModel::palPath() const & noexcept {
 	return m_palPath;
 }
 
@@ -152,7 +168,7 @@ void TileSheetEditorModel::drawCommand(ox::Point const &pt, std::size_t const pa
 	auto const idx = gfx::idx(activeSubSheet, pt);
 	if (m_ongoingDrawCommand) {
 		m_updated = m_updated || m_ongoingDrawCommand->append(idx);
-	} else if (getPixel(activeSubSheet, idx) != palIdx) {
+	} else if (activeSubSheet.pixels[idx] != palIdx) {
 		std::ignore = pushCommand(ox::make<DrawCommand>(
 			m_img, m_activeSubsSheetIdx, idx, static_cast<int>(palIdx)));
 	}
@@ -182,6 +198,7 @@ void TileSheetEditorModel::endDrawCommand() noexcept {
 	if (m_ongoingDrawCommand) {
 		m_ongoingDrawCommand->finish();
 		m_ongoingDrawCommand = nullptr;
+		m_lastDrawUpdatePt = {-1, -1};
 	}
 }
 
@@ -213,6 +230,8 @@ ox::Error TileSheetEditorModel::updateSubsheet(
 void TileSheetEditorModel::setActiveSubsheet(TileSheet::SubSheetIdx const&idx) noexcept {
 	m_activeSubsSheetIdx = idx;
 	this->activeSubsheetChanged.emit(m_activeSubsSheetIdx);
+	clearSelection();
+	m_lastDrawUpdatePt = {-1, -1};
 }
 
 void TileSheetEditorModel::fill(ox::Point const&pt, int const palIdx) noexcept {
@@ -263,7 +282,13 @@ ox::Error TileSheetEditorModel::rotateRight() noexcept {
 }
 
 void TileSheetEditorModel::setSelection(studio::Selection const&sel) noexcept {
-	m_selection.emplace(sel);
+	auto const &ss = activeSubSheet();
+	if (sel.a.x < ss.columns * TileWidth && sel.a.y < ss.rows * TileHeight) {
+		m_selection.emplace(sel);
+	} else {
+		m_selTracker.finishSelection();
+		m_selection.reset();
+	}
 	m_updated = true;
 }
 
@@ -375,7 +400,7 @@ void TileSheetEditorModel::getFillPixels(
 		int const oldColor) const noexcept {
 	auto const idx = ptToIdx(pt, activeSubSheet.columns);
 	auto const relIdx = idx % PixelsPerTile;
-	if (pixels[relIdx] || getPixel(activeSubSheet, idx) != oldColor) {
+	if (pixels[relIdx] || activeSubSheet.pixels[idx] != oldColor) {
 		return;
 	}
 	// mark pixels to update
@@ -413,7 +438,7 @@ void TileSheetEditorModel::setPalPath() noexcept {
 }
 
 ox::Error TileSheetEditorModel::pushCommand(studio::UndoCommand *cmd) noexcept {
-	std::ignore = m_undoStack.push(ox::UPtr<studio::UndoCommand>{cmd});
+	std::ignore = m_undoStack.push(ox::UPtr{cmd});
 	m_ongoingDrawCommand = dynamic_cast<DrawCommand*>(cmd);
 	m_updated = true;
 	return {};

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

@@ -22,7 +22,7 @@ class TileSheetEditorModel: public ox::SignalHandler {
 
 	private:
 		static Palette const s_defaultPalette;
-		studio::StudioContext &m_sctx;
+		studio::Context &m_sctx;
 		turbine::Context &m_tctx;
 		ox::String m_path;
 		ox::String m_palPath;
@@ -35,11 +35,11 @@ class TileSheetEditorModel: public ox::SignalHandler {
 		studio::SelectionTracker m_selTracker;
 		ox::Optional<studio::Selection> m_selection;
 		ox::Point m_lineStartPt;
-		ox::Point m_lastDrawUpdatePt;
+		ox::Point m_lastDrawUpdatePt{-1, -1};
 		bool m_updated = false;
 
 	public:
-		TileSheetEditorModel(studio::StudioContext &sctx, ox::StringParam path, studio::UndoStack &undoStack);
+		TileSheetEditorModel(studio::Context &sctx, ox::StringParam path, studio::UndoStack &undoStack);
 
 		~TileSheetEditorModel() override = default;
 
@@ -62,7 +62,7 @@ class TileSheetEditorModel: public ox::SignalHandler {
 		constexpr Palette const&pal() const noexcept;
 
 		[[nodiscard]]
-		ox::StringView palPath() const noexcept;
+		ox::String const &palPath() const & noexcept;
 
 		ox::Error setPalette(ox::StringViewCR path) noexcept;
 

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

@@ -12,7 +12,7 @@
 namespace nostalgia::gfx {
 
 TileSheetEditorView::TileSheetEditorView(
-		studio::StudioContext &sctx, ox::StringViewCR path, studio::UndoStack &undoStack):
+		studio::Context &sctx, ox::StringViewCR path, studio::UndoStack &undoStack):
 	m_model(sctx, path, undoStack),
 	m_pixelsDrawer(m_model) {
 	glBindVertexArray(0);

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

@@ -56,7 +56,7 @@ class TileSheetEditorView: public ox::SignalHandler {
 		std::size_t m_palIdx = 0;
 
 	public:
-		TileSheetEditorView(studio::StudioContext &sctx, ox::StringViewCR path, studio::UndoStack &undoStack);
+		TileSheetEditorView(studio::Context &sctx, ox::StringViewCR path, studio::UndoStack &undoStack);
 
 		~TileSheetEditorView() override = default;
 

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

@@ -5,12 +5,13 @@
 #include <ox/claw/write.hpp>
 
 #include <nostalgia/gfx/consts.hpp>
+#include <nostalgia/gfx/gfx.hpp>
 
 #include "tilesheetpixelgrid.hpp"
 
 namespace nostalgia::gfx {
 
-void TileSheetGrid::setPixelSizeMod(float sm) noexcept {
+void TileSheetGrid::setPixelSizeMod(float const sm) noexcept {
 	m_pixelSizeMod = sm;
 }
 
@@ -18,10 +19,11 @@ ox::Error TileSheetGrid::buildShader() noexcept {
 	auto const pixelLineVshad = ox::sfmt(VShad, gl::GlslVersion);
 	auto const pixelLineFshad = ox::sfmt(FShad, gl::GlslVersion);
 	auto const pixelLineGshad = ox::sfmt(GShad, gl::GlslVersion);
-	return glutils::buildShaderProgram(pixelLineVshad, pixelLineFshad, pixelLineGshad).moveTo(m_shader);
+	return glutils::buildShaderProgram(
+		pixelLineVshad, pixelLineFshad, pixelLineGshad).moveTo(m_shader);
 }
 
-void TileSheetGrid::draw(bool update, ox::Vec2 const&scroll) noexcept {
+void TileSheetGrid::draw(bool const update, ox::Vec2 const&scroll) noexcept {
 	// the lines just show up bigger on Windows for some reason
 	if constexpr(ox::defines::OS == ox::OS::Windows) {
 		glLineWidth(3 * m_pixelSizeMod * 0.25f);
@@ -51,7 +53,8 @@ void TileSheetGrid::initBufferSet(ox::Vec2 const&paneSize, TileSheet::SubSheet c
 	// vbo layout
 	auto const pt1Attr = static_cast<GLuint>(glGetAttribLocation(m_shader, "vPt1"));
 	glEnableVertexAttribArray(pt1Attr);
-	glVertexAttribPointer(pt1Attr, 2, GL_FLOAT, GL_FALSE, VertexVboRowLength * sizeof(float), nullptr);
+	glVertexAttribPointer(
+		pt1Attr, 2, GL_FLOAT, GL_FALSE, VertexVboRowLength * sizeof(float), nullptr);
 	auto const pt2Attr = static_cast<GLuint>(glGetAttribLocation(m_shader, "vPt2"));
 	glEnableVertexAttribArray(pt2Attr);
 	glVertexAttribPointer(pt2Attr, 2, GL_FLOAT, GL_FALSE, VertexVboRowLength * sizeof(float),
@@ -70,18 +73,18 @@ void TileSheetGrid::update(ox::Vec2 const&paneSize, TileSheet::SubSheet const&su
 }
 
 void TileSheetGrid::setBufferObject(
-		ox::Point pt1,
-		ox::Point pt2,
-		Color32 c,
-		float *vbo,
+		ox::Point const pt1,
+		ox::Point const pt2,
+		Color32 const c,
+		ox::Span<float> const vbo,
 		ox::Vec2 const&pixSize) noexcept {
 	auto const x1 = static_cast<float>(pt1.x) * pixSize.x - 1.f;
 	auto const y1 = 1.f - static_cast<float>(pt1.y) * pixSize.y;
 	auto const x2 = static_cast<float>(pt2.x) * pixSize.x - 1.f;
 	auto const y2 = 1.f - static_cast<float>(pt2.y) * pixSize.y;
-	// don't worry, this memcpy gets optimized to something much more ideal
+	// don't worry, this gets optimized to something much more ideal
 	ox::Array<float, VertexVboLength> const vertices = {x1, y1, x2, y2, redf(c), greenf(c), bluef(c)};
-	memcpy(vbo, vertices.data(), sizeof(vertices));
+	ox::spancpy(vbo, ox::SpanView<float>{vertices});
 }
 
 void TileSheetGrid::setBufferObjects(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept {
@@ -92,7 +95,8 @@ void TileSheetGrid::setBufferObjects(ox::Vec2 const&paneSize, TileSheet::SubShee
 	}
 	auto const pixSize = pixelSize(paneSize);
 	auto const set = [&](std::size_t i, ox::Point pt1, ox::Point pt2, Color32 c) {
-		auto const vbo = &m_bufferSet.vertices[i * VertexVboLength];
+		auto const idx = i * VertexVboLength;
+		auto const vbo = ox::Span{m_bufferSet.vertices} + idx;
 		setBufferObject(pt1, pt2, c, vbo, pixSize);
 	};
 	// set buffer length

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

@@ -7,7 +7,6 @@
 #include <glutils/glutils.hpp>
 #include <studio/studio.hpp>
 
-#include <nostalgia/gfx/gfx.hpp>
 #include <nostalgia/gfx/tilesheet.hpp>
 
 namespace nostalgia::gfx {
@@ -74,7 +73,7 @@ class TileSheetGrid {
 		void update(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept;
 
 	private:
-		static void setBufferObject(ox::Point pt1, ox::Point pt2, Color32 c, float *vbo, ox::Vec2 const&pixSize) noexcept;
+		static void setBufferObject(ox::Point pt1, ox::Point pt2, Color32 c, ox::Span<float> vbo, ox::Vec2 const&pixSize) noexcept;
 
 		void setBufferObjects(ox::Vec2 const&paneSize, TileSheet::SubSheet const&subsheet) noexcept;
 

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

@@ -2,8 +2,6 @@
  * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
  */
 
-#include <nostalgia/gfx/consts.hpp>
-#include <nostalgia/gfx/ptidxconv.hpp>
 #include "tilesheeteditormodel.hpp"
 #include "tilesheetpixels.hpp"
 
@@ -88,11 +86,11 @@ ox::Vec2 TileSheetPixels::pixelSize(ox::Vec2 const&paneSize) const noexcept {
 
 void TileSheetPixels::setPixelBufferObject(
 		ox::Vec2 const&paneSize,
-		unsigned vertexRow,
+		unsigned const vertexRow,
 		float x, float y,
-		Color16 color,
-		float *vbo,
-		GLuint *ebo) const noexcept {
+		Color16 const color,
+		ox::Span<float> const vbo,
+		ox::Span<GLuint> const ebo) const noexcept {
 	auto const [xmod, ymod] = pixelSize(paneSize);
 	x *= xmod;
 	y *= -ymod;
@@ -106,12 +104,12 @@ void TileSheetPixels::setPixelBufferObject(
 			x + xmod, y + ymod, r, g, b, // top right
 			       x, y + ymod, r, g, b, // top left
 	};
-	memcpy(vbo, vertices.data(), sizeof(vertices));
+	ox::spancpy(vbo, ox::SpanView<float>{vertices});
 	std::array const elms = {
 			vertexRow + 0, vertexRow + 1, vertexRow + 2,
 			vertexRow + 2, vertexRow + 3, vertexRow + 0,
 	};
-	memcpy(ebo, elms.data(), sizeof(elms));
+	ox::spancpy(ebo, ox::SpanView<GLuint>{elms});
 }
 
 void TileSheetPixels::setBufferObjects(ox::Vec2 const&paneSize) noexcept {
@@ -137,8 +135,8 @@ void TileSheetPixels::setBufferObjects(ox::Vec2 const&paneSize) noexcept {
 		auto const pt = idxToPt(static_cast<int>(i), subSheet.columns);
 		auto const fx = static_cast<float>(pt.x);
 		auto const fy = static_cast<float>(pt.y);
-		auto const vbo = &m_bufferSet.vertices[i * vboLen];
-		auto const ebo = &m_bufferSet.elements[i * VertexEboLength];
+		auto const vbo = ox::Span{m_bufferSet.vertices} + i * vboLen;
+		auto const ebo = ox::Span{m_bufferSet.elements} + i * VertexEboLength;
 		if (i * vboLen + vboLen > m_bufferSet.vertices.size()) {
 			return;
 		}

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

@@ -6,11 +6,9 @@
 
 #include <ox/std/vec.hpp>
 
-#include <glutils/glutils.hpp>
-#include <studio/studio.hpp>
-
 #include <nostalgia/gfx/color.hpp>
-#include <nostalgia/gfx/gfx.hpp>
+
+#include <glutils/glutils.hpp>
 
 namespace nostalgia::gfx {
 
@@ -44,15 +42,15 @@ class TileSheetPixels {
 
 	private:
 		void setPixelBufferObject(
-				ox::Vec2 const&paneS,
+				ox::Vec2 const&paneSize,
 				unsigned vertexRow,
 				float x,
 				float y,
 				Color16 color,
-				float *vbo,
-				GLuint *ebo) const noexcept;
+				ox::Span<float> vbo,
+				ox::Span<GLuint> ebo) const noexcept;
 
-		void setBufferObjects(ox::Vec2 const&paneS) noexcept;
+		void setBufferObjects(ox::Vec2 const&paneSize) noexcept;
 
 };
 

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

@@ -26,7 +26,7 @@ static class: public keel::Module {
 		}
 
 		[[nodiscard]]
-		ox::Vector<keel::BaseConverter const*> converters() const noexcept final {
+		ox::Vector<keel::Converter> converters() const noexcept final {
 			return {
 			};
 		}

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

@@ -9,13 +9,13 @@
 namespace nostalgia::sound {
 
 static class: public studio::Module {
-	ox::Vector<studio::EditorMaker> editors(studio::StudioContext&) const noexcept final {
+	ox::Vector<studio::EditorMaker> editors(studio::Context&) const noexcept final {
 		return {
 		};
 	}
 
-	ox::Vector<ox::UPtr<studio::ItemMaker>> itemMakers(studio::StudioContext&) const noexcept final {
-		ox::Vector<ox::UniquePtr<studio::ItemMaker>> out;
+	ox::Vector<ox::UPtr<studio::ItemMaker>> itemMakers(studio::Context&) const noexcept final {
+		ox::Vector<ox::UPtr<studio::ItemMaker>> out;
 		return out;
 	}
 } const mod;

src/nostalgia/player/app.cpp

@@ -64,15 +64,12 @@ static void testKeyEventHandler(turbine::Context &tctx, turbine::Key key, bool d
 
 [[maybe_unused]]
 static ox::Error runTest(turbine::Context &tctx) {
-	constexpr ox::StringView TileSheetAddr{"/TileSheets/Charset.nts"};
-	constexpr ox::StringView PaletteAddr{"/Palettes/Chester.npal"};
 	OX_REQUIRE_M(cctx, gfx::init(tctx));
 	turbine::setApplicationData(tctx, cctx.get());
-	OX_REQUIRE(tsStat, turbine::rom(tctx)->stat(PaletteAddr));
-	OX_RETURN_ERROR(gfx::loadSpriteTileSheet(*cctx, TileSheetAddr));
-	OX_RETURN_ERROR(gfx::loadSpritePalette(*cctx, PaletteAddr));
+	OX_RETURN_ERROR(gfx::loadSpriteTileSheet(*cctx, "/TileSheets/Charset.nts"));
+	OX_RETURN_ERROR(gfx::loadSpritePalette(*cctx, "/Palettes/Chester.npal"));
 	OX_RETURN_ERROR(gfx::initConsole(*cctx));
-	gfx::puts(*cctx, 10, 9, "DOPENESS!!!");
+	gfx::consoleWrite(*cctx, 10, 9, "DOPENESS!!!");
 	turbine::setUpdateHandler(tctx, testUpdateHandler);
 	turbine::setKeyEventHandler(tctx, testKeyEventHandler);
 	return turbine::run(tctx);
@@ -86,7 +83,6 @@ static ox::Error runTileSheetSetTest(turbine::Context &tctx) {
 	constexpr ox::StringView PaletteAddr{"/Palettes/Charset.npal"};
 	OX_REQUIRE_M(cctx, gfx::init(tctx));
 	turbine::setApplicationData(tctx, cctx.get());
-	OX_REQUIRE(tsStat, turbine::rom(tctx)->stat(PaletteAddr));
 	gfx::TileSheetSet const set{
 		.bpp = 4,
 		.entries = {
@@ -134,7 +130,6 @@ ox::Error run(
 		return ox::Error{1, "Please provide path to project directory or OxFS file."};
 	}
 	auto const path = args[1];
-	OX_REQUIRE_M(fs, keel::loadRomFs(path));
-	OX_REQUIRE_M(tctx, turbine::init(std::move(fs), project));
+	OX_REQUIRE_M(tctx, turbine::init(path, project));
 	return runTileSheetSetTest(*tctx);
 }

src/nostalgia/studio/CMakeLists.txt

@@ -1,4 +1,8 @@
-add_executable(NostalgiaStudio WIN32 MACOSX_BUNDLE)
+add_executable(
+	NostalgiaStudio WIN32 MACOSX_BUNDLE
+		ns.rc
+		icondata.cpp
+)
 
 target_link_libraries(
 	NostalgiaStudio
@@ -11,7 +15,7 @@ target_link_libraries(
 
 target_compile_definitions(
 	NostalgiaStudio PUBLIC
-		OLYMPIC_APP_VERSION="d2025.02.1"
+		OLYMPIC_APP_VERSION="d2025.05.1"
 )
 
 install(

src/nostalgia/studio/Info.plist

@@ -18,7 +18,7 @@
 	<string>APPL</string>
 
 	<key>CFBundleVersion</key>
-	<string>d2025.02.1</string>
+	<string>d2025.05.1</string>
 
 	<key>LSMinimumSystemVersion</key>
 	<string>12.0.0</string>

src/nostalgia/studio/ns.rc

@@ -0,0 +1 @@
+IDI_ICON1 ICON DISCARDABLE "ns_logo.ico"

src/nostalgia/studio/rsrc.json

@@ -0,0 +1,39 @@
+{
+	"cpp": "icondata.cpp",
+	"namespace": "studio",
+	"all_files": "WindowIcons",
+	"files": [
+		{
+			"path": "ns_logo16.png",
+			"cpp_name": "WindowIcon16"
+		},
+		{
+			"path": "ns_logo24.png",
+			"cpp_name": "WindowIcon24"
+		},
+		{
+			"path": "ns_logo32.png",
+			"cpp_name": "WindowIcon32"
+		},
+		{
+			"path": "ns_logo40.png",
+			"cpp_name": "WindowIcon40"
+		},
+		{
+			"path": "ns_logo48.png",
+			"cpp_name": "WindowIcon48"
+		},
+		{
+			"path": "ns_logo128.png",
+			"cpp_name": "WindowIcon128"
+		},
+		{
+			"path": "ns_logo264.png",
+			"cpp_name": "WindowIcon264"
+		},
+		{
+			"path": "ns_logo1080.png",
+			"cpp_name": "WindowIcon1080"
+		}
+	]
+}

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

@@ -4,7 +4,7 @@
 
 #pragma once
 
-#include <ox/claw/claw.hpp>
+#include <ox/claw/read.hpp>
 #include <ox/fs/fs.hpp>
 
 #include "validation.hpp"

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

@@ -8,12 +8,10 @@
 #include <ox/std/memory.hpp>
 
 #include "assetmanager.hpp"
+#include "typeconv.hpp"
 
 namespace keel {
 
-class Context;
-using PackTransform = ox::Result<bool>(*)(Context&, ox::Buffer &clawData, ox::StringViewCR);
-
 class Context {
 	public:
 		ox::UPtr<ox::FileSystem> rom;
@@ -22,7 +20,7 @@ class Context {
 		AssetManager assetManager;
 		ox::HashMap<ox::String, ox::UUID> pathToUuid;
 		ox::HashMap<ox::UUIDStr, ox::String> uuidToPath;
-		ox::Vector<class BaseConverter const*> converters;
+		ox::Vector<Converter> converters;
 		ox::Vector<PackTransform> packTransforms;
 #else
 		std::size_t preloadSectionOffset = 0;
@@ -45,7 +43,7 @@ constexpr ox::SpanView<PackTransform> packTransforms(
 #endif
 }
 
-constexpr ox::SpanView<class BaseConverter const*> converters(
+constexpr ox::SpanView<Converter> converters(
 		[[maybe_unused]] Context const&ctx) noexcept {
 #ifndef OX_BARE_METAL
 	return ctx.converters;

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

@@ -15,7 +15,18 @@
 namespace keel {
 
 ox::Error init(
-		keel::Context &ctx,
+		Context &ctx,
+		ox::UPtr<ox::FileSystem> &&fs,
+		ox::StringViewCR appName,
+		DuplicateSet &duplicateSet) noexcept;
+
+ox::Result<ox::UPtr<Context>> init(
+		ox::UPtr<ox::FileSystem> &&fs,
+		ox::StringViewCR appName,
+		DuplicateSet &duplicateSet) noexcept;
+
+ox::Error init(
+		Context &ctx,
 		ox::UPtr<ox::FileSystem> &&fs,
 		ox::StringViewCR appName) noexcept;
 

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

@@ -29,13 +29,14 @@ OX_MODEL_BEGIN(PreloadPtr)
 	OX_MODEL_FIELD(preloadAddr)
 OX_MODEL_END()
 
-ox::Result<std::size_t> getPreloadAddr(keel::Context &ctx, ox::FileAddress const&addr) noexcept;
-ox::Result<std::size_t> getPreloadAddr(keel::Context &ctx, ox::StringViewCR path) noexcept;
+ox::Result<std::size_t> getPreloadAddr(Context &ctx, ox::FileAddress const&addr) noexcept;
+ox::Result<std::size_t> getPreloadAddr(Context &ctx, ox::StringViewCR path) noexcept;
 
 
 void createUuidMapping(Context &ctx, ox::StringViewCR filePath, ox::UUID const&uuid) noexcept;
 
-ox::Error buildUuidMap(Context &ctx) noexcept;
+// map of UUIDs to paths
+using DuplicateSet = ox::HashMap<ox::UUID, ox::Vector<ox::String>>;
 
 ox::Result<ox::UUID> pathToUuid(Context &ctx, ox::StringViewCR path) noexcept;
 
@@ -87,8 +88,8 @@ constexpr auto makeLoader(Context &ctx) {
 }
 
 template<typename T>
-ox::Result<keel::AssetRef<T>> readObjFile(
-		keel::Context &ctx,
+ox::Result<AssetRef<T>> readObjFile(
+		Context &ctx,
 		ox::StringViewCR assetId,
 		bool const forceLoad) noexcept {
 	static constexpr auto load = [](
@@ -135,11 +136,11 @@ ox::Result<keel::AssetRef<T>> readObjNoCache(
 
 #endif
 
-ox::Error reloadAsset(keel::Context &ctx, ox::StringViewCR assetId) noexcept;
+ox::Error reloadAsset(Context &ctx, ox::StringViewCR assetId) noexcept;
 
 template<typename T>
-ox::Result<keel::AssetRef<T>> readObj(
-		keel::Context &ctx,
+ox::Result<AssetRef<T>> readObj(
+		Context &ctx,
 		ox::StringViewCR assetId,
 		[[maybe_unused]] bool forceLoad = false) noexcept {
 #ifndef OX_BARE_METAL
@@ -150,8 +151,8 @@ ox::Result<keel::AssetRef<T>> readObj(
 }
 
 template<typename T>
-ox::Result<keel::AssetRef<T>> readObj(
-		keel::Context &ctx,
+ox::Result<AssetRef<T>> readObj(
+		Context &ctx,
 		ox::FileAddress const&file,
 		[[maybe_unused]] bool forceLoad = false) noexcept {
 #ifndef OX_BARE_METAL
@@ -169,7 +170,7 @@ ox::Result<keel::AssetRef<T>> readObj(
 
 template<typename T>
 ox::Error writeObj(
-		keel::Context &ctx,
+		Context &ctx,
 		ox::FileAddress const&file,
 		T const&obj,
 		ox::ClawFormat fmt = ox::ClawFormat::Metal) noexcept {
@@ -177,6 +178,8 @@ ox::Error writeObj(
 	return ctx.rom->write(file, objBuff.data(), objBuff.size());
 }
 
+ox::Error setRomFs(Context &ctx, ox::UPtr<ox::FileSystem> &&fs, DuplicateSet &duplicateSet) noexcept;
+
 ox::Error setRomFs(Context &ctx, ox::UPtr<ox::FileSystem> &&fs) noexcept;
 
 ox::Result<ox::UPtr<ox::FileSystem>> loadRomFs(ox::StringViewCR path) noexcept;

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

@@ -32,7 +32,7 @@ class Module {
 		[[nodiscard]]
 		virtual ox::Vector<TypeDescGenerator> types() const noexcept;
 		[[nodiscard]]
-		virtual ox::Vector<const keel::BaseConverter*> converters() const noexcept;
+		virtual ox::Vector<Converter> converters() const noexcept;
 		[[nodiscard]]
 		virtual ox::Vector<PackTransform> packTransforms() const noexcept;
 };

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

@@ -4,15 +4,17 @@
 
 #pragma once
 
+#include <ox/claw/write.hpp>
 #include <ox/std/def.hpp>
 #include <ox/std/error.hpp>
 #include <ox/std/string.hpp>
 
 #include "asset.hpp"
-#include "context.hpp"
 
 namespace keel {
 
+class Context;
+
 class Wrap {
 	public:
 		virtual ~Wrap() = default;
@@ -30,6 +32,7 @@ class WrapT: public Wrap {
 		[[nodiscard]]
 		virtual constexpr T &obj() noexcept = 0;
 
+		[[nodiscard]]
 		ox::UAnyPtr moveToCopy() noexcept final {
 			return new T{std::move(obj())};
 		}
@@ -44,14 +47,17 @@ class WrapRef final: public WrapT<T> {
 	public:
 		constexpr explicit WrapRef(T &obj): m_obj{obj} {}
 
+		[[nodiscard]]
 		ox::CStringView typeName() const noexcept override {
 			return ox::ModelTypeName_v<T>;
 		}
 
+		[[nodiscard]]
 		int typeVersion() const noexcept override {
 			return ox::ModelTypeVersion_v<T>;
 		}
 
+		[[nodiscard]]
 		constexpr T &obj() noexcept override {
 			return m_obj;
 		}
@@ -70,14 +76,17 @@ class WrapInline final: public WrapT<T> {
 		constexpr explicit WrapInline(Args &&...args): m_obj(ox::forward<Args>(args)...) {
 		}
 
+		[[nodiscard]]
 		ox::CStringView typeName() const noexcept override {
 			return ox::ModelTypeName_v<T>;
 		}
 
+		[[nodiscard]]
 		int typeVersion() const noexcept override {
 			return ox::ModelTypeVersion_v<T>;
 		}
 
+		[[nodiscard]]
 		constexpr T &obj() noexcept override {
 			return m_obj;
 		}
@@ -113,7 +122,7 @@ class BaseConverter {
 		virtual ox::Result<ox::UPtr<Wrap>> convertPtrToPtr(keel::Context &ctx, Wrap &src) const noexcept = 0;
 
 		virtual ox::Result<ox::UPtr<Wrap>> convertBuffToPtr(
-				keel::Context &ctx, ox::BufferView const&srcBuff) const noexcept = 0;
+				Context &ctx, ox::BufferView const&srcBuff) const noexcept = 0;
 
 		[[nodiscard]]
 		constexpr bool matches(
@@ -125,21 +134,37 @@ class BaseConverter {
 
 };
 
-template<typename SrcType, typename DstType>
-class Converter: public BaseConverter {
+
+template<auto Func>
+class ConverterFunc final: public BaseConverter {
+	private:
+		template<typename SrcType, typename DstType>
+		struct ParamPack {
+			using Src = SrcType;
+			using Dst = DstType;
+		};
+
+		template<typename Src, typename Dst>
+		static ParamPack<Src, Dst> extractParams(ox::Error (*)(Context&, Src&, Dst&)) {
+			return {};
+		}
+
 	public:
+		using SrcType = typename decltype(extractParams(Func))::Src;
+		using DstType = typename decltype(extractParams(Func))::Dst;
+
 		[[nodiscard]]
-		constexpr ox::StringView srcTypeName() const noexcept final {
+		constexpr ox::StringView srcTypeName() const noexcept override {
 			return ox::ModelTypeName_v<SrcType>;
 		}
 
 		[[nodiscard]]
-		constexpr int srcTypeVersion() const noexcept final {
+		constexpr int srcTypeVersion() const noexcept override {
 			return ox::ModelTypeVersion_v<SrcType>;
 		}
 
 		[[nodiscard]]
-		constexpr bool srcMatches(ox::StringViewCR pSrcTypeName, int pSrcTypeVersion) const noexcept final {
+		constexpr bool srcMatches(ox::StringViewCR pSrcTypeName, int pSrcTypeVersion) const noexcept override {
 			constexpr auto SrcTypeName = ox::requireModelTypeName<SrcType>();
 			constexpr auto SrcTypeVersion = ox::requireModelTypeVersion<SrcType>();
 			return pSrcTypeName == SrcTypeName
@@ -147,7 +172,7 @@ class Converter: public BaseConverter {
 		}
 
 		[[nodiscard]]
-		constexpr bool dstMatches(ox::StringViewCR dstTypeName, int dstTypeVersion) const noexcept final {
+		constexpr bool dstMatches(ox::StringViewCR dstTypeName, int dstTypeVersion) const noexcept override {
 			constexpr auto DstTypeName = ox::StringView{ox::requireModelTypeName<DstType>()};
 			constexpr auto DstTypeVersion = ox::requireModelTypeVersion<DstType>();
 			return dstTypeName == DstTypeName
@@ -155,14 +180,14 @@ class Converter: public BaseConverter {
 		}
 
 		ox::Result<ox::UPtr<Wrap>> convertPtrToPtr(
-				keel::Context &ctx, Wrap &src) const noexcept final {
+				Context &ctx, Wrap &src) const noexcept override {
 			ox::Result<ox::UPtr<Wrap>> dst{makeWrap<DstType>()};
 			OX_RETURN_ERROR(convert(ctx, wrapCast<SrcType>(src), wrapCast<DstType>(*dst.value)));
 			return dst;
 		}
 
 		ox::Result<ox::UPtr<Wrap>> convertBuffToPtr(
-				keel::Context &ctx, ox::BufferView const&srcBuff) const noexcept final {
+				Context &ctx, ox::BufferView const&srcBuff) const noexcept override {
 			OX_REQUIRE_M(src, readAsset<SrcType>(srcBuff));
 			ox::Result<ox::UPtr<Wrap>> dst{makeWrap<DstType>()};
 			OX_RETURN_ERROR(convert(ctx, src, wrapCast<DstType>(*dst.value)));
@@ -170,24 +195,43 @@ class Converter: public BaseConverter {
 		}
 
 	protected:
-		virtual ox::Error convert(keel::Context &ctx, SrcType&, DstType&) const noexcept = 0;
+		static ox::Error convert(Context &ctx, SrcType &src, DstType &dst) noexcept {
+			return Func(ctx, src, dst);
+		}
 
 };
 
+class Converter {
+	private:
+		ox::AllocAlias<BaseConverter> m_buff{};
+	public:
+		template<auto Func>
+		static Converter make() noexcept {
+			Converter out;
+			static_assert(sizeof(ConverterFunc<Func>) <= sizeof(out.m_buff));
+			new (out.m_buff.data()) ConverterFunc<Func>{};
+			return out;
+		}
+		[[nodiscard]]
+		BaseConverter const &converter() const noexcept {
+			return *m_buff.data();
+		}
+};
+
 ox::Result<ox::UPtr<Wrap>> convert(
-		keel::Context &ctx,
+		Context &ctx,
 		ox::BufferView const&srcBuffer,
 		ox::StringViewCR dstTypeName,
 		int dstTypeVersion) noexcept;
 
 ox::Result<ox::UPtr<Wrap>> convert(
-		keel::Context &ctx,
+		Context &ctx,
 		Wrap &src,
 		ox::StringViewCR dstTypeName,
 		int dstTypeVersion) noexcept;
 
 ox::Result<ox::UPtr<Wrap>> convert(
-		keel::Context &ctx,
+		Context &ctx,
 		auto &src,
 		ox::StringViewCR dstTypeName,
 		int const dstTypeVersion) noexcept {
@@ -196,7 +240,7 @@ ox::Result<ox::UPtr<Wrap>> convert(
 }
 
 ox::Result<ox::UPtr<Wrap>> convert(
-		keel::Context &ctx,
+		Context &ctx,
 		auto const&src,
 		ox::StringViewCR dstTypeName,
 		int const dstTypeVersion) noexcept {
@@ -207,27 +251,27 @@ ox::Result<ox::UPtr<Wrap>> convert(
 
 template<typename DstType>
 ox::Result<DstType> convertObjToObj(
-		keel::Context &ctx,
+		Context &ctx,
 		auto &src) noexcept {
 	OX_REQUIRE_M(out, convert(ctx, WrapRef{src}, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	return std::move(wrapCast(*out));
 }
 
 template<typename DstType>
-ox::Result<DstType> convert(keel::Context &ctx, ox::BufferView const&src) noexcept {
+ox::Result<DstType> convert(Context &ctx, ox::BufferView const&src) noexcept {
 	OX_REQUIRE(out, convert(ctx, src, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	return std::move(wrapCast<DstType>(out));
 }
 
 template<typename DstType>
-ox::Error convert(keel::Context &ctx, ox::BufferView const&buff, DstType &outObj) noexcept {
+ox::Error convert(Context &ctx, ox::BufferView const&buff, DstType &outObj) noexcept {
 	OX_REQUIRE(out, convert(ctx, buff, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	outObj = std::move(wrapCast<DstType>(*out));
 	return {};
 }
 
 template<typename DstType>
-ox::Error convertObjToObj(keel::Context &ctx, auto &src, DstType &outObj) noexcept {
+ox::Error convertObjToObj(Context &ctx, auto &src, DstType &outObj) noexcept {
 	OX_REQUIRE(outPtr, convert(ctx, src, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	outObj = std::move(wrapCast<DstType>(*outPtr));
 	return {};
@@ -235,13 +279,13 @@ ox::Error convertObjToObj(keel::Context &ctx, auto &src, DstType &outObj) noexce
 
 template<typename DstType>
 ox::Result<ox::Buffer> convertBuffToBuff(
-		keel::Context &ctx, ox::BufferView const&src, ox::ClawFormat const fmt) noexcept {
+		Context &ctx, ox::BufferView const&src, ox::ClawFormat const fmt) noexcept {
 	OX_REQUIRE(out, convert(ctx, src, ox::ModelTypeName_v<DstType>, ox::ModelTypeVersion_v<DstType>));
 	return ox::writeClaw<DstType>(wrapCast<DstType>(*out), fmt);
 }
 
 template<typename From, typename To, ox::ClawFormat fmt = ox::ClawFormat::Metal>
-ox::Result<bool> transformRule(keel::Context &ctx, ox::Buffer &buff, ox::StringViewCR typeId) noexcept {
+ox::Result<bool> transformRule(Context &ctx, ox::Buffer &buff, ox::StringViewCR typeId) noexcept {
 	if (typeId == ox::ModelTypeId_v<From>) {
 		OX_RETURN_ERROR(keel::convertBuffToBuff<To>(ctx, buff, fmt).moveTo(buff));
 		return true;
@@ -249,4 +293,6 @@ ox::Result<bool> transformRule(keel::Context &ctx, ox::Buffer &buff, ox::StringV
 	return false;
 };
 
+using PackTransform = ox::Result<bool>(*)(Context&, ox::Buffer &clawData, ox::StringViewCR);
+
 }

src/olympic/keel/src/asset.cpp

@@ -36,7 +36,7 @@ ox::Result<ox::ModelObject> readAsset(ox::TypeStore &ts, ox::BufferView buff) no
 	return ox::readClaw(ts, buff);
 }
 
-ox::Result<ox::StringView> readAssetTypeId(ox::BufferView buff) noexcept {
+ox::Result<ox::StringView> readAssetTypeId(ox::BufferView const buff) noexcept {
 	const auto err = readUuidHeader(buff).error;
 	const auto offset = err ? 0u : K1HdrSz;
 	if (offset >= buff.size()) [[unlikely]] {

src/olympic/keel/src/keel.cpp

@@ -6,21 +6,24 @@
 
 namespace keel {
 
-ox::Error init(
-		keel::Context &ctx,
+static ox::Error init(
+		Context &ctx,
 		ox::UPtr<ox::FileSystem> &&fs,
-		ox::StringViewCR appName) noexcept {
+		ox::StringViewCR appName,
+		DuplicateSet *duplicateSet) noexcept {
 	ctx.appName = appName;
-	std::ignore = setRomFs(ctx, std::move(fs));
+	std::ignore = duplicateSet ?
+		setRomFs(ctx, std::move(fs), *duplicateSet) :
+		setRomFs(ctx, std::move(fs));
 #ifndef OX_BARE_METAL
 	auto const&mods = modules();
 	for (auto &mod : mods) {
 		// register type converters
-		for (auto c : mod->converters()) {
+		for (auto const c : mod->converters()) {
 			ctx.converters.emplace_back(c);
 		}
 		// register pack transforms
-		for (auto c : mod->packTransforms()) {
+		for (auto const c : mod->packTransforms()) {
 			ctx.packTransforms.emplace_back(c);
 		}
 	}
@@ -28,6 +31,30 @@ ox::Error init(
 	return {};
 }
 
+ox::Error init(
+		Context &ctx,
+		ox::UPtr<ox::FileSystem> &&fs,
+		ox::StringViewCR appName,
+		DuplicateSet &duplicateSet) noexcept {
+	return init(ctx, std::move(fs), appName, &duplicateSet);
+}
+
+ox::Result<ox::UPtr<Context>> init(
+	ox::UPtr<ox::FileSystem> &&fs,
+	ox::StringViewCR appName,
+	DuplicateSet &duplicateSet) noexcept {
+	auto ctx = ox::make_unique<Context>();
+	OX_RETURN_ERROR(keel::init(*ctx, std::move(fs), appName, &duplicateSet));
+	return ctx;
+}
+
+ox::Error init(
+		Context &ctx,
+		ox::UPtr<ox::FileSystem> &&fs,
+		ox::StringViewCR appName) noexcept {
+	return init(ctx, std::move(fs), appName, nullptr);
+}
+
 ox::Result<ox::UPtr<Context>> init(ox::UPtr<ox::FileSystem> &&fs, ox::StringViewCR appName) noexcept {
 	auto ctx = ox::make_unique<Context>();
 	OX_RETURN_ERROR(keel::init(*ctx, std::move(fs), appName));

src/olympic/keel/src/media.cpp

@@ -47,7 +47,7 @@ void createUuidMapping(Context &ctx, ox::StringViewCR filePath, ox::UUID const&u
 	ctx.uuidToPath[uuid.toString()] = filePath;
 }
 
-static ox::Error buildUuidMap(Context &ctx, ox::StringViewCR path) noexcept {
+static ox::Error buildUuidMap(Context &ctx, ox::StringViewCR path, DuplicateSet *duplicates) noexcept {
 	OX_REQUIRE(files, ctx.rom->ls(path));
 	for (auto const&f : files) {
 		OX_REQUIRE_M(filePath, ox::join("/", ox::Array<ox::StringView, 2>{path, f}));
@@ -58,22 +58,31 @@ static ox::Error buildUuidMap(Context &ctx, ox::StringViewCR path) noexcept {
 				ctx.rom->read(filePath, 0, buff.size(), buff));
 			auto const [uuid, err] = readUuidHeader(buff);
 			if (!err) {
-				createUuidMapping(ctx, filePath, uuid);
+				// check for duplication
+				if (duplicates && ctx.uuidToPath[uuid.toString()].len()) {
+					auto &dl = (*duplicates)[uuid];
+					if (dl.empty()) {
+						dl.emplace_back(ctx.uuidToPath[uuid.toString()]);
+					}
+					dl.emplace_back(filePath);
+				} else {
+					createUuidMapping(ctx, filePath, uuid);
+				}
 			}
 		} else if (stat.fileType == ox::FileType::Directory) {
 			if (!beginsWith(f, ".")) {
-				OX_RETURN_ERROR(buildUuidMap(ctx, filePath));
+				OX_RETURN_ERROR(buildUuidMap(ctx, filePath, duplicates));
 			}
 		}
 	}
 	return {};
 }
 
-ox::Error buildUuidMap(Context &ctx) noexcept {
+static ox::Error buildUuidMap(Context &ctx, DuplicateSet *duplicates) noexcept {
 	if (!ctx.rom) {
-		return ox::Error(1, "No ROM FS");
+		return ox::Error{1, "No ROM FS"};
 	}
-	return buildUuidMap(ctx, "");
+	return buildUuidMap(ctx, "", duplicates);
 }
 
 ox::Result<ox::UUID> pathToUuid(Context &ctx, ox::StringViewCR path) noexcept {
@@ -173,7 +182,7 @@ ox::Result<ox::CStringView> uuidToPath(Context &ctx, ox::UUID const&uuid) noexce
 #endif
 }
 
-ox::Error reloadAsset(keel::Context &ctx, ox::StringViewCR assetId) noexcept {
+ox::Error reloadAsset(Context &ctx, ox::StringViewCR assetId) noexcept {
 	if (beginsWith(assetId, "uuid://")) {
 		return ctx.assetManager.reloadAsset(substr(assetId, 7));
 	} else {
@@ -199,7 +208,7 @@ namespace keel {
 static void clearUuidMap(Context&) noexcept {
 }
 
-ox::Error buildUuidMap(Context&) noexcept {
+static ox::Error buildUuidMap(Context&, DuplicateSet*) noexcept {
 	return {};
 }
 
@@ -249,10 +258,16 @@ ox::Error reloadAsset(keel::Context&, ox::StringView) noexcept {
 
 namespace keel {
 
+ox::Error setRomFs(Context &ctx, ox::UPtr<ox::FileSystem> &&fs, DuplicateSet &duplicateSet) noexcept {
+	ctx.rom = std::move(fs);
+	clearUuidMap(ctx);
+	return buildUuidMap(ctx, &duplicateSet);
+}
+
 ox::Error setRomFs(Context &ctx, ox::UPtr<ox::FileSystem> &&fs) noexcept {
 	ctx.rom = std::move(fs);
 	clearUuidMap(ctx);
-	return buildUuidMap(ctx);
+	return buildUuidMap(ctx, nullptr);
 }
 
 ox::Result<ox::UPtr<ox::FileSystem>> loadRomFs(ox::StringViewCR path) noexcept {

src/olympic/keel/src/module.cpp

@@ -24,7 +24,7 @@ ox::Vector<TypeDescGenerator> Module::types() const noexcept {
 	return {};
 }
 
-ox::Vector<keel::BaseConverter const*> Module::converters() const noexcept {
+ox::Vector<Converter> Module::converters() const noexcept {
 	return {};
 }
 

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

@@ -6,13 +6,11 @@
 
 #include <ox/clargs/clargs.hpp>
 #include <ox/fs/fs.hpp>
-#include <ox/logconn/def.hpp>
-#include <ox/logconn/logconn.hpp>
 #include <ox/oc/write.hpp>
 
 #include <keel/keel.hpp>
 
-static ox::Error writeFileBuff(ox::StringView path, ox::BufferView const buff) noexcept {
+static ox::Error writeFileBuff(ox::StringViewCR path, ox::BufferView const &buff) noexcept {
 	try {
 		std::ofstream f(std::string(toStdStringView(path)), std::ios::binary);
 		f.write(buff.data(), static_cast<intptr_t>(buff.size()));
@@ -22,7 +20,7 @@ static ox::Error writeFileBuff(ox::StringView path, ox::BufferView const buff) n
 	return {};
 }
 
-static ox::Result<ox::Buffer> readFileBuff(ox::StringView path) noexcept {
+static ox::Result<ox::Buffer> readFileBuff(ox::StringViewCR path) noexcept {
 	std::ifstream file(std::string(toStdStringView(path)), std::ios::binary | std::ios::ate);
 	if (!file.good()) {
 		oxErrorf("Could not find OxFS file: {}", path);
@@ -42,7 +40,7 @@ static ox::Result<ox::Buffer> readFileBuff(ox::StringView path) noexcept {
 
 static ox::Error generateTypes(ox::TypeStore &ts) noexcept {
 	for (auto const mod : keel::modules()) {
-		for (auto gen : mod->types()) {
+		for (auto const gen : mod->types()) {
 			OX_RETURN_ERROR(gen(ts));
 		}
 	}
@@ -50,14 +48,27 @@ static ox::Error generateTypes(ox::TypeStore &ts) noexcept {
 }
 
 static ox::Error pack(
-		ox::StringView argSrc,
-		ox::StringView argRomBin,
-		ox::StringView argManifest,
-		ox::StringView projectDataDir) noexcept {
+		ox::StringViewCR argSrc,
+		ox::StringViewCR argRomBin,
+		ox::StringViewCR argManifest,
+		ox::StringViewCR projectDataDir) noexcept {
 	ox::Buffer dstBuff(32 * ox::units::MB);
 	OX_RETURN_ERROR(ox::FileSystem32::format(dstBuff.data(), dstBuff.size()));
 	ox::FileSystem32 dst(dstBuff);
-	OX_REQUIRE(ctx, keel::init(ox::make_unique<ox::PassThroughFS>(argSrc), "keel-pack"));
+	keel::DuplicateSet duplicateSet;
+	OX_REQUIRE(ctx, keel::init(
+		ox::make_unique<ox::PassThroughFS>(argSrc), "keel-pack", duplicateSet));
+	if (duplicateSet.size()) {
+		oxErr("Multiple files have the same UUID:\n");
+		for (auto const &k : duplicateSet.keys()) {
+			oxErrf("\n\t{}:\n", k.toString());
+			for (auto const &v : duplicateSet[k]) {
+				oxErrf("\t\t{}\n", v);
+			}
+		}
+		oxErr("\n");
+		std::exit(1);
+	}
 	keel::TypeStore ts(*ctx->rom, ox::sfmt("{}/type_descriptors", projectDataDir));
 	OX_RETURN_ERROR(generateTypes(ts));
 	keel::Manifest manifest;
@@ -82,10 +93,10 @@ static ox::Error pack(
 }
 
 ox::Error run(
-		[[maybe_unused]] ox::StringView project,
-		[[maybe_unused]] ox::StringView appName,
-		ox::StringView projectDataDir,
-		ox::SpanView<ox::CString> argv) noexcept {
+		[[maybe_unused]] ox::StringView const project,
+		[[maybe_unused]] ox::StringView const appName,
+		ox::StringView const projectDataDir,
+		ox::SpanView<ox::CString> const argv) noexcept {
 	ox::ClArgs const args(argv);
 	auto const argSrc = args.getString("src", "");
 	auto const argRomBin = args.getString("rom-bin", "");

src/olympic/keel/src/pack.cpp

@@ -11,13 +11,12 @@
 namespace keel {
 
 static ox::Error pathToInode(
-		keel::Context &ctx,
-		ox::FileSystem &dest,
+		Context &ctx,
+		ox::FileSystem const &dest,
 		ox::ModelObject &obj) noexcept {
-	auto &o = obj;
-	OX_REQUIRE(typeVal, o.at("type"));
+	OX_REQUIRE(typeVal, obj.at("type"));
 	auto const type = static_cast<ox::FileAddressType>(typeVal->get<int8_t>());
-	OX_REQUIRE(dataVal, o.at("data"));
+	OX_REQUIRE(dataVal, obj.at("data"));
 	auto &data = dataVal->get<ox::ModelUnion>();
 	ox::String path;
 	switch (type) {
@@ -47,13 +46,17 @@ static ox::Error pathToInode(
 }
 
 static ox::Error transformFileAddressesObj(
-		keel::Context &ctx, ox::FileSystem &dest, ox::ModelObject &obj) noexcept;
+		Context &ctx,
+		ox::FileSystem const &dest,
+		ox::ModelObject &obj) noexcept;
 static ox::Error transformFileAddressesVec(
-		keel::Context &ctx, ox::FileSystem &dest, ox::ModelValueVector &v) noexcept;
+		Context &ctx,
+		ox::FileSystem const &dest,
+		ox::ModelValueVector &v) noexcept;
 
 static ox::Error transformFileAddresses(
-		keel::Context &ctx,
-		ox::FileSystem &dest,
+		Context &ctx,
+		ox::FileSystem const &dest,
 		ox::ModelValue &v) noexcept {
 	if (v.type() == ox::ModelValue::Type::Object) {
 		auto &obj = v.get<ox::ModelObject>();
@@ -66,8 +69,8 @@ static ox::Error transformFileAddresses(
 }
 
 static ox::Error transformFileAddressesVec(
-		keel::Context &ctx,
-		ox::FileSystem &dest,
+		Context &ctx,
+		ox::FileSystem const &dest,
 		ox::ModelValueVector &v) noexcept {
 	for (auto &f : v) {
 		OX_RETURN_ERROR(transformFileAddresses(ctx, dest, f));
@@ -80,13 +83,13 @@ static ox::Error transformFileAddressesVec(
  * @return error
  */
 static ox::Error transformFileAddressesObj(
-		keel::Context &ctx,
-		ox::FileSystem &dest,
+		Context &ctx,
+		ox::FileSystem const &dest,
 		ox::ModelObject &obj) noexcept {
 	if (obj.typeName() == "net.drinkingtea.ox.FileAddress" && obj.typeVersion() == 1) {
 		return pathToInode(ctx, dest, obj);
 	}
-	for (auto &f : obj) {
+	for (auto const &f : obj) {
 		auto &v = f->value;
 		OX_RETURN_ERROR(transformFileAddresses(ctx, dest, v));
 	}
@@ -111,7 +114,7 @@ static ox::Error performPackTransforms(
 
 static ox::Error doTransformations(
 		Manifest &manifest,
-		keel::Context &ctx,
+		Context &ctx,
 		ox::TypeStore &ts,
 		ox::FileSystem &dest,
 		ox::StringViewCR filePath) noexcept {
@@ -134,7 +137,7 @@ static ox::Error doTransformations(
 // transformations need to be done after the copy to the new FS is complete
 static ox::Error transformClaw(
 		Manifest &manifest,
-		keel::Context &ctx,
+		Context &ctx,
 		ox::TypeStore &ts,
 		ox::FileSystem &dest,
 		ox::StringViewCR path) noexcept {
@@ -200,7 +203,7 @@ static ox::Error copy(
 
 ox::Error pack(
 		Manifest &manifest,
-		keel::Context &ctx,
+		Context &ctx,
 		ox::TypeStore &ts,
 		ox::FileSystem &dest) noexcept {
 	OX_RETURN_ERROR(copy(manifest, *ctx.rom, dest, "/"));

src/olympic/keel/src/typeconv.cpp

@@ -2,20 +2,21 @@
  * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
  */
 
+#include <keel/context.hpp>
 #include <keel/media.hpp>
 #include <keel/typeconv.hpp>
 
 namespace keel {
 
 static ox::Result<BaseConverter const*> findConverter(
-		ox::SpanView<BaseConverter const*> const&converters,
+		ox::SpanView<Converter> const&converters,
 		ox::StringViewCR srcTypeName,
 		int const srcTypeVersion,
 		ox::StringViewCR dstTypeName,
 		int const dstTypeVersion) noexcept {
 	for (auto const&c : converters) {
-		if (c->matches(srcTypeName, srcTypeVersion, dstTypeName, dstTypeVersion)) {
-			return c;
+		if (c.converter().matches(srcTypeName, srcTypeVersion, dstTypeName, dstTypeVersion)) {
+			return &c.converter();
 		}
 	}
 	return ox::Error{1, "Could not find converter"};
@@ -31,7 +32,7 @@ static ox::Result<ox::UPtr<Wrap>> convert(BaseConverter const&c, Context &ctx, W
 
 static ox::Result<ox::UPtr<Wrap>> convert(
 		Context &ctx,
-		ox::SpanView<BaseConverter const*> const&converters,
+		ox::SpanView<Converter> const&converters,
 		auto &src,
 		ox::StringViewCR srcTypeName,
 		int const srcTypeVersion,
@@ -45,14 +46,14 @@ static ox::Result<ox::UPtr<Wrap>> convert(
 	}
 	// try to chain multiple converters
 	for (auto const&subConverter : converters) {
-		if (!subConverter->dstMatches(dstTypeName, dstTypeVersion)) {
+		if (!subConverter.converter().dstMatches(dstTypeName, dstTypeVersion)) {
 			continue;
 		}
 		const auto [intermediate, chainErr] =
 			convert(ctx, converters, src, srcTypeName, srcTypeVersion,
-			        subConverter->srcTypeName(), subConverter->srcTypeVersion());
+			        subConverter.converter().srcTypeName(), subConverter.converter().srcTypeVersion());
 		if (!chainErr) {
-			return subConverter->convertPtrToPtr(ctx, *intermediate);
+			return subConverter.converter().convertPtrToPtr(ctx, *intermediate);
 		}
 	}
 	return ox::Error{1, "Could not convert between types"};

src/olympic/studio/applib/src/CMakeLists.txt

@@ -5,6 +5,7 @@ add_library(
 		clawviewer.cpp
 		deleteconfirmation.cpp
 		filedialogmanager.cpp
+		font.cpp
 		makecopypopup.cpp
 		newdir.cpp
 		newmenu.cpp

src/olympic/studio/applib/src/aboutpopup.cpp

@@ -13,23 +13,15 @@ extern ox::String appVersion;
 
 namespace studio {
 
-AboutPopup::AboutPopup(turbine::Context &ctx) noexcept {
+AboutPopup::AboutPopup(turbine::Context &ctx) noexcept: Popup("About") {
 	m_text = ox::sfmt("{} - {}", keelCtx(ctx).appName, olympic::appVersion);
 }
 
-void AboutPopup::open() noexcept {
-	m_stage = Stage::Opening;
-}
-
-void AboutPopup::close() noexcept {
-	m_stage = Stage::Closed;
-}
-
-bool AboutPopup::isOpen() const noexcept {
-	return m_stage == Stage::Open;
-}
-
-void AboutPopup::draw(StudioContext &sctx) noexcept {
+void AboutPopup::draw(Context &sctx) noexcept {
+	if (ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+		close();
+		return;
+	}
 	switch (m_stage) {
 		case Stage::Closed:
 			break;
@@ -43,7 +35,7 @@ void AboutPopup::draw(StudioContext &sctx) noexcept {
 			ig::centerNextWindow(sctx.tctx);
 			auto open = true;
 			if (ImGui::BeginPopupModal("About", &open, modalFlags)) {
-				ImGui::Text("%s", m_text.c_str());
+				ImGui::Text("%s\n\nBuild date: %s", m_text.c_str(), __DATE__);
 				ImGui::NewLine();
 				ImGui::Dummy({148.0f, 0.0f});
 				ImGui::SameLine();

src/olympic/studio/applib/src/aboutpopup.hpp

@@ -13,29 +13,14 @@
 
 namespace studio {
 
-class AboutPopup: public studio::Popup {
-	public:
-		enum class Stage {
-			Closed,
-			Opening,
-			Open,
-		};
-
+class AboutPopup final: public ig::Popup {
 	private:
-		Stage m_stage = Stage::Closed;
 		ox::String m_text;
 
 	public:
 		explicit AboutPopup(turbine::Context &ctx) noexcept;
 
-		void open() noexcept override;
-
-		void close() noexcept override;
-
-		[[nodiscard]]
-		bool isOpen() const noexcept override;
-
-		void draw(studio::StudioContext &sctx) noexcept override;
+		void draw(Context &sctx) noexcept override;
 
 };
 

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

@@ -28,15 +28,19 @@ class StudioUIDrawer: public turbine::gl::Drawer {
 };
 
 static void keyEventHandler(turbine::Context &ctx, turbine::Key key, bool down) noexcept {
-	auto sctx = turbine::applicationData<studio::StudioContext>(ctx);
+	auto sctx = turbine::applicationData<studio::Context>(ctx);
 	sctx->ui.handleKeyEvent(key, down);
 }
 
+[[nodiscard]]
+ox::Vector<ox::SpanView<uint8_t>> WindowIcons() noexcept;
+
 static ox::Error runApp(
 		ox::StringViewCR appName,
 		ox::StringViewCR projectDataDir,
 		ox::UPtr<ox::FileSystem> &&fs) noexcept {
 	OX_REQUIRE_M(ctx, turbine::init(std::move(fs), appName));
+	oxLogError(turbine::setWindowIcon(*ctx, WindowIcons()));
 	turbine::setWindowTitle(*ctx, keelCtx(*ctx).appName);
 	turbine::setKeyEventHandler(*ctx, keyEventHandler);
 	turbine::setRefreshWithin(*ctx, 0);

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

@@ -8,12 +8,12 @@
 
 namespace studio {
 
-ClawEditor::ClawEditor(StudioContext &sctx, ox::StringParam path):
+ClawEditor::ClawEditor(Context &sctx, ox::StringParam path):
 	Editor(sctx, std::move(path)),
 	m_obj(sctx.project->loadObj<ox::ModelObject>(itemPath()).unwrapThrow()) {
 }
 
-void ClawEditor::draw(StudioContext&) noexcept {
+void ClawEditor::draw(Context&) noexcept {
 	ImGui::BeginChild("PaletteEditor");
 	static constexpr auto flags = ImGuiTableFlags_RowBg | ImGuiTableFlags_NoBordersInBody;
 	if (ImGui::BeginTable("ObjTree", 3, flags)) {

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

@@ -16,9 +16,9 @@ class ClawEditor: public Editor {
 		using ObjPath = ox::Vector<ox::StringView, 8>;
 		ox::ModelObject m_obj;
 	public:
-		ClawEditor(StudioContext &sctx, ox::StringParam path);
+		ClawEditor(Context &sctx, ox::StringParam path);
 
-		void draw(StudioContext&) noexcept final;
+		void draw(Context&) noexcept final;
 
 	private:
 		static void drawRow(ox::ModelValue const&value) noexcept;

src/olympic/studio/applib/src/deleteconfirmation.cpp

@@ -31,7 +31,11 @@ bool DeleteConfirmation::isOpen() const noexcept {
 	return m_open;
 }
 
-void DeleteConfirmation::draw(StudioContext &ctx) noexcept {
+void DeleteConfirmation::draw(Context &ctx) noexcept {
+	if (ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+		close();
+		return;
+	}
 	switch (m_stage) {
 		case Stage::Closed:
 			break;

src/olympic/studio/applib/src/deleteconfirmation.hpp

@@ -36,7 +36,7 @@ class DeleteConfirmation final: public Popup {
 		[[nodiscard]]
 		bool isOpen() const noexcept override;
 
-		void draw(StudioContext &ctx) noexcept override;
+		void draw(Context &ctx) noexcept override;
 
 };
 

src/olympic/studio/applib/src/font.hpp

@@ -0,0 +1,10 @@
+// Generated
+
+#include <ox/std/span.hpp>
+
+namespace studio::files {
+
+[[nodiscard]]
+ox::SpanView<uint8_t> RobotoMedium_ttf() noexcept;
+
+}

src/olympic/studio/applib/src/makecopypopup.cpp

@@ -2,6 +2,8 @@
  * Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
  */
 
+#include <studio/imguiutil.hpp>
+
 #include "makecopypopup.hpp"
 
 namespace studio {
@@ -26,7 +28,7 @@ bool MakeCopyPopup::isOpen() const noexcept {
 	return m_open;
 }
 
-void MakeCopyPopup::draw(StudioContext const &ctx) noexcept {
+void MakeCopyPopup::draw(Context &ctx) noexcept {
 	switch (m_stage) {
 		case Stage::Closed:
 			break;
@@ -68,7 +70,7 @@ void MakeCopyPopup::draw(StudioContext const &ctx) noexcept {
 	}
 }
 
-void MakeCopyPopup::accept(StudioContext const &ctx) noexcept {
+void MakeCopyPopup::accept(Context const &ctx) noexcept {
 	auto const p = sfmt("{}{}", m_dirPath, m_fileName);
 	if (!ctx.project->exists(p)) {
 		makeCopy.emit(m_srcPath, p);