diff --git a/.gitignore b/.gitignore
index 3afaca1..6a54d2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
-/.idea
-cmake-build-*
+/.cache
 build/
 
 # swap
diff --git a/include/europa/io/PakFile.hpp b/include/europa/io/PakFile.hpp
index 83b9d40..464f479 100644
--- a/include/europa/io/PakFile.hpp
+++ b/include/europa/io/PakFile.hpp
@@ -21,28 +21,81 @@ namespace europa::io {
 	struct PakFile {
 		using DataType = std::vector<std::uint8_t>;
 
+		template<class T>
+		void InitAs(const T& value) {
+			toc = value;
+		}
+
+		void InitAs(structs::PakVersion version) {
+			switch(version) {
+				case structs::PakVersion::Ver3:
+					toc = structs::PakHeader_V3::TocEntry{};
+					break;
+				case structs::PakVersion::Ver4:
+					toc = structs::PakHeader_V4::TocEntry{};
+					break;
+				case structs::PakVersion::Ver5:
+					toc = structs::PakHeader_V5::TocEntry{};
+					break;
+			}
+		}
+
 		/**
 		 * Get the file data.
 		 */
-		[[nodiscard]] const DataType& GetData() const;
+		[[nodiscard]] const DataType& GetData() const {
+			return data;
+		}
 
 		/**
 		 * Get the TOC entry responsible.
 		 */
-		[[nodiscard]] const structs::PakTocEntry& GetTOCEntry() const;
+		template<class T>
+		[[nodiscard]] const T& GetTOCEntry() const {
+			return std::get<T>(toc);
+		}
 
-		void SetData(DataType&& data);
+		void SetData(DataType&& data) {
+			this->data = std::move(data);
+		}
 
-		structs::PakTocEntry& GetTOCEntry();
+		std::uint32_t GetOffset() const {
+			std::uint32_t size{};
 
-		void FillTOCEntry();
+			std::visit([&](auto& entry) {
+				size = entry.offset;
+			}, toc);
+
+			return size;
+		}
+
+		std::uint32_t GetSize() const {
+			std::uint32_t size{};
+
+			std::visit([&](auto& entry) {
+				size = entry.size;
+			}, toc);
+
+			return size;
+		}
+
+		void FillTOCEntry() {
+			std::visit([&](auto& entry) {
+				entry.size = static_cast<std::uint32_t>(data.size());
+			}, toc);
+		}
+
+		template<class Cb>
+		void Visit(const Cb& cb) {
+			std::visit(cb, toc);
+		}
 
 	   private:
 		friend PakReader;
 		friend PakWriter;
 
 		std::vector<std::uint8_t> data;
-		structs::PakTocEntry tocData;
+		structs::PakTocEntryVariant toc;
 	};
 
 } // namespace europa::io
diff --git a/include/europa/io/PakReader.hpp b/include/europa/io/PakReader.hpp
index 8917ecd..9059c2e 100644
--- a/include/europa/io/PakReader.hpp
+++ b/include/europa/io/PakReader.hpp
@@ -15,11 +15,14 @@
 #include <string>
 #include <unordered_map>
 
+#include <variant>
+
 namespace europa::io {
 
 	struct PakReader {
 		using MapType = std::unordered_map<std::string, PakFile>;
 
+
 		explicit PakReader(std::istream& is);
 
 		void ReadData();
@@ -39,13 +42,17 @@ namespace europa::io {
 		const MapType& GetFiles() const;
 
 		// implement in cpp later, lazy and just wanna get this out :vvv
-		const structs::PakHeader& GetHeader() const { return header; }
+		const structs::PakHeaderVariant& GetHeader() const { return header; }
 
 	   private:
+	   	template<class T>
+		void ReadData_Impl();
+
 		std::istream& stream;
 		bool invalid { false };
 
-		structs::PakHeader header {};
+		structs::PakVersion version;
+		structs::PakHeaderVariant header {};
 
 		MapType files;
 	};
diff --git a/include/europa/io/PakWriter.hpp b/include/europa/io/PakWriter.hpp
index a87ab98..df425ec 100644
--- a/include/europa/io/PakWriter.hpp
+++ b/include/europa/io/PakWriter.hpp
@@ -14,6 +14,7 @@
 #include <iosfwd>
 #include <string>
 #include <utility>
+#include "europa/structs/Pak.hpp"
 
 namespace europa::io {
 
@@ -23,9 +24,11 @@ namespace europa::io {
 	struct PakWriter {
 		using FlattenedType = std::pair<std::string, PakFile>;
 
-		void Init(structs::PakHeader::Version version);
+		//void Init(structs::PakHeader::Version version);
 
-		const structs::PakHeader& GetHeader() const { return pakHeader; }
+		//const HeaderType& GetHeader() const { return pakHeader; }
+
+		void SetVersion(structs::PakVersion version);
 
 		/**
 		 * Write the resulting archive to the given output stream.
@@ -33,7 +36,12 @@ namespace europa::io {
 		void Write(std::ostream& os, std::vector<FlattenedType>&& vec, PakProgressReportSink& sink);
 
 	   private:
-		structs::PakHeader pakHeader {};
+
+		template<class T>
+		void WriteImpl(std::ostream& os, std::vector<FlattenedType>&& vec, PakProgressReportSink& sink, bool sectorAligned = true);
+
+		structs::PakVersion version{};
+		//HeaderType pakHeader {};
 	};
 
 } // namespace europa::io
diff --git a/include/europa/structs/Pak.hpp b/include/europa/structs/Pak.hpp
index 475fe1d..5e9627f 100644
--- a/include/europa/structs/Pak.hpp
+++ b/include/europa/structs/Pak.hpp
@@ -12,17 +12,23 @@
 #include <cstdint>
 #include <cstring>
 #include <europa/structs/ImHexAdapter.hpp>
+#include <optional>
+#include <variant>
+
+#include <cstdio>
 
 namespace europa::structs {
 
-	struct [[gnu::packed]] PakHeader {
-		constexpr static const char VALID_MAGIC[16] = "Europa Packfile";
+	constexpr static const char VALID_MAGIC[16] = "Europa Packfile";
 
-		enum class Version : u16 {
-			Ver4 = 0x4,
-			Ver5 = 0x5
-		};
+	enum class PakVersion : u16 {
+		Invalid = 0xffff,
+		Ver3 = 0x3, ///< Typically used for PMDL files
+		Ver4 = 0x4,
+		Ver5 = 0x5
+	};
 
+	struct [[gnu::packed]] PakHeader_Common {
 		char magic[16]; // "Europa Packfile\0"
 
 		/**
@@ -30,7 +36,91 @@ namespace europa::structs {
 		 */
 		u16 headerSize;
 
-		Version version;
+		PakVersion version;
+
+		bool Valid() const {
+			return !std::strcmp(magic, VALID_MAGIC);
+		}
+	};
+
+	template <class Impl, PakVersion Version>
+	struct [[gnu::packed]] PakHeader_Impl : PakHeader_Common {
+		constexpr static auto VERSION = Version;
+
+		/**
+		 * Get the real header size (including the magic).
+		 */
+		[[nodiscard]] constexpr std::size_t RealHeaderSize() const {
+			return sizeof(magic) + static_cast<std::size_t>(headerSize);
+		}
+
+		constexpr static u16 HeaderSize() {
+			return sizeof(Impl) - (sizeof(VALID_MAGIC) - 1);
+		}
+
+		PakHeader_Impl() {
+			// clear any junk
+			memset(this, 0, sizeof(PakHeader_Impl));
+
+			version = Version;
+
+			// Copy important things & set proper header size.
+			std::memcpy(&magic[0], &VALID_MAGIC[0], sizeof(VALID_MAGIC));
+			headerSize = HeaderSize();
+		}
+
+		explicit PakHeader_Impl(const PakHeader_Common& header) {
+			memcpy(&magic[0], &header.magic[0], sizeof(header.magic));
+			version = header.version;
+			headerSize = header.headerSize;
+		}
+
+		[[nodiscard]] bool Valid() const noexcept {
+			// Magic must match.
+			if(!reinterpret_cast<const PakHeader_Common*>(this)->Valid())
+				return false;
+
+			// Check header size.
+			if(headerSize != HeaderSize() && headerSize != HeaderSize() + 1)
+				return false;
+
+			return version == Version;
+		}
+	};
+
+	struct [[gnu::packed]] PakHeader_V3 : public PakHeader_Impl<PakHeader_V3, PakVersion::Ver3> {
+		using PakHeader_Impl<PakHeader_V3, PakVersion::Ver3>::VERSION;
+		using PakHeader_Impl<PakHeader_V3, PakVersion::Ver3>::PakHeader_Impl;
+		using PakHeader_Impl<PakHeader_V3, PakVersion::Ver3>::Valid;
+
+		struct [[gnu::packed]] TocEntry {
+			u32 offset;
+			u32 size;
+			u32 creationUnixTime; // junk on these v3 files
+			u16 junk;
+		};
+
+		u32 tocOffset;
+
+		u32 tocSize;
+
+		u32 fileCount;
+
+		u32 creationUnixTime;
+
+		// Zeroes.
+		u32 reservedPad{};
+	};
+
+	struct [[gnu::packed]] PakHeader_V4 : public PakHeader_Impl<PakHeader_V4, PakVersion::Ver4> {
+		using PakHeader_Impl<PakHeader_V4, PakVersion::Ver4>::PakHeader_Impl;
+
+		struct [[gnu::packed]] TocEntry {
+			u32 offset;
+			u32 size;
+			u32 creationUnixTime;
+		};
+
 		u8 pad;
 
 		u32 tocOffset;
@@ -43,66 +133,53 @@ namespace europa::structs {
 
 		// Zeroes.
 		u32 reservedPad;
-
-		/**
-		 * Get the real header size (including the magic).
-		 */
-		[[nodiscard]] constexpr std::size_t RealHeaderSize() const {
-			return sizeof(magic) + static_cast<std::size_t>(headerSize);
-		}
-
-		/**
-		 * Initialize this header (used when writing).
-		 */
-		void Init(Version ver) noexcept {
-			// clear any junk
-			memset(this, 0, sizeof(PakHeader));
-
-			// Copy important things.
-			std::memcpy(&magic[0], &VALID_MAGIC[0], sizeof(VALID_MAGIC));
-
-			// Set proper header size.
-			headerSize = sizeof(PakHeader) - (sizeof(PakHeader::VALID_MAGIC) - 1);
-
-			// Set archive version
-			version = ver;
-		}
-
-		[[nodiscard]] bool Valid() const noexcept {
-			// Magic must match.
-			if(std::strcmp(magic, VALID_MAGIC) != 0)
-				return false;
-
-			// Check header size.
-			if(headerSize != sizeof(PakHeader) - (sizeof(PakHeader::VALID_MAGIC) - 1))
-				return false;
-
-			using enum Version;
-
-			// Version must match ones we support,
-			// otherwise it's invalid.
-			switch(version) {
-				case Ver4:
-				case Ver5:
-					return true;
-
-				default:
-					return false;
-			}
-		}
 	};
 
-	// A Toc entry (without string. Needs to be read in separately)
-	struct [[gnu::packed]] PakTocEntry {
-		u32 offset;
-		u32 size;
+	struct [[gnu::packed]] PakHeader_V5 : public PakHeader_Impl<PakHeader_V5, PakVersion::Ver5> {
+		using PakHeader_Impl<PakHeader_V5, PakVersion::Ver5>::PakHeader_Impl;
+
+		struct [[gnu::packed]] TocEntry {
+			u32 offset;
+			u32 size;
+			u32 creationUnixTime;
+		};
+
+		u8 pad;
+
+		u32 tocOffset;
+
+		u32 tocSize;
+
+		u32 fileCount;
+
 		u32 creationUnixTime;
+
+		// Zeroes.
+		u32 reservedPad;
 	};
 
+	using PakHeaderVariant = std::variant<
+	structs::PakHeader_V3,
+	structs::PakHeader_V4,
+	structs::PakHeader_V5>;
 
-	static_assert(sizeof(PakHeader) == 0x29, "PakHeader wrong size!!");
-	static_assert(sizeof(PakHeader) - (sizeof(PakHeader::VALID_MAGIC) - 1) == 0x1a, "PakHeader::headerSize will be invalid when writing archives.");
-	static_assert(sizeof(PakTocEntry) == 0xc, "PakTocEntry wrong size!");
+	using PakTocEntryVariant = std::variant<
+	structs::PakHeader_V3::TocEntry,
+	structs::PakHeader_V4::TocEntry,
+	structs::PakHeader_V5::TocEntry>;
+
+	static_assert(sizeof(PakHeader_V3) == 0x28, "PakHeader_V3 wrong size");
+	// TODO: their format really seems to be wrong, 0x19 is proper, but some v3 archives have 0x1a header size
+	// ??? very weird
+	//static_assert(sizeof(PakHeader_V3) - (sizeof(VALID_MAGIC) - 1) == 0x1a, "PakHeader_V3::headerSize will be invalid when writing archives.");
+	static_assert(sizeof(PakHeader_V4) == 0x29, "PakHeader_V4 wrong size!!");
+	static_assert(sizeof(PakHeader_V4) - (sizeof(VALID_MAGIC) - 1) == 0x1a, "PakHeader_V4::headerSize will be invalid when writing archives.");
+	static_assert(sizeof(PakHeader_V5) == 0x29, "PakHeader_V5 wrong size!!");
+	static_assert(sizeof(PakHeader_V5) - (sizeof(VALID_MAGIC) - 1) == 0x1a, "PakHeader_V5::headerSize will be invalid when writing archives.");
+
+	static_assert(sizeof(PakHeader_V3::TocEntry) == 0xe, "V3 TocEntry wrong size!");
+	static_assert(sizeof(PakHeader_V4::TocEntry) == 0xc, "V4 PakTocEntry wrong size!");
+	static_assert(sizeof(PakHeader_V5::TocEntry) == 0xc, "V5 PakTocEntry wrong size!");
 
 } // namespace europa::structs
 
diff --git a/include/europa/structs/Yatf.hpp b/include/europa/structs/Yatf.hpp
index 1a51c9f..23d3a54 100644
--- a/include/europa/structs/Yatf.hpp
+++ b/include/europa/structs/Yatf.hpp
@@ -28,7 +28,7 @@ namespace europa::structs {
 		 */
 		constexpr static u32 TextureFlag_UsesAlpha = 0x1000000;
 
-		constexpr static auto ValidMagic = util::FourCC<"YATF", std::endian::big>();
+		constexpr static auto ValidMagic = util::FourCC<"YATF", std::endian::little>();
 
 		u32 magic;
 
diff --git a/src/libeuropa/CMakeLists.txt b/src/libeuropa/CMakeLists.txt
index ba11aeb..9352503 100644
--- a/src/libeuropa/CMakeLists.txt
+++ b/src/libeuropa/CMakeLists.txt
@@ -11,7 +11,6 @@ add_library(europa
 		io/StreamUtils.cpp
 
 		# Pak IO
-		io/PakFile.cpp
 		io/PakReader.cpp
 		io/PakWriter.cpp
 
diff --git a/src/libeuropa/io/PakFile.cpp b/src/libeuropa/io/PakFile.cpp
deleted file mode 100644
index 28839d7..0000000
--- a/src/libeuropa/io/PakFile.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-//
-// EuropaTools
-//
-// (C) 2021-2022 modeco80 <lily.modeco80@protonmail.ch>
-//
-// SPDX-License-Identifier: LGPL-3.0-or-later
-//
-
-#include <europa/io/PakFile.hpp>
-
-namespace europa::io {
-
-	const PakFile::DataType& PakFile::GetData() const {
-		return data;
-	}
-
-	const structs::PakTocEntry& PakFile::GetTOCEntry() const {
-		return tocData;
-	}
-
-	structs::PakTocEntry& PakFile::GetTOCEntry() {
-		return tocData;
-	}
-
-	void PakFile::SetData(PakFile::DataType&& newData) {
-		data = std::move(newData);
-	}
-
-	void PakFile::FillTOCEntry() {
-		tocData.size = static_cast<std::uint32_t>(data.size());
-	}
-
-} // namespace europa::io
\ No newline at end of file
diff --git a/src/libeuropa/io/PakReader.cpp b/src/libeuropa/io/PakReader.cpp
index 13e9fa2..9dea982 100644
--- a/src/libeuropa/io/PakReader.cpp
+++ b/src/libeuropa/io/PakReader.cpp
@@ -14,27 +14,83 @@
 
 namespace europa::io {
 
+/*
+	inline std::optional<PakHeader> GetPakHeader(const PakHeader_Common& common_header) {
+		switch(common_header.version) {
+			case PakVersion::Ver3:
+				return PakHeader_V3(common_header);
+
+			case PakVersion::Ver4:
+				return PakHeader_V4(common_header);
+
+			case PakVersion::Ver5:
+				return PakHeader_V5(common_header);
+
+			case PakVersion::Invalid:
+			default:
+				return std::nullopt;
+		}
+	}
+	*/
+
+
+
 	PakReader::PakReader(std::istream& is)
 		: stream(is) {
 	}
 
-	void PakReader::ReadData() {
-		header = impl::ReadStreamType<structs::PakHeader>(stream);
+	template<class T>
+	void PakReader::ReadData_Impl() {
+		auto header_type = impl::ReadStreamType<T>(stream);
 
-		if(!header.Valid()) {
+		if(!header_type.Valid()) {
 			invalid = true;
 			return;
 		}
+		
+		bool isStreams{false};
 
+		if(header_type.tocOffset > 0x17000000)
+			isStreams = true;
+		
 		// Read the archive TOC
-		stream.seekg(header.tocOffset, std::istream::beg);
-		for(auto i = 0; i < header.fileCount; ++i) {
-			// The first part of the TOC entry is a VLE string,
+		stream.seekg(header_type.tocOffset, std::istream::beg);
+		for(auto i = 0; i < header_type.fileCount; ++i) {
+			// The first part of the TOC entry is always a VLE string,
 			// which we don't store inside the type (because we can't)
 			//
 			// Read this in first.
 			auto filename = impl::ReadPString(stream);
-			files[filename].GetTOCEntry() = impl::ReadStreamType<structs::PakTocEntry>(stream);
+			files[filename].InitAs(impl::ReadStreamType<typename T::TocEntry>(stream));
+
+			if(isStreams)
+				files[filename].Visit([&](auto& tocEntry) {
+					tocEntry.creationUnixTime = impl::ReadStreamType<structs::u32>(stream);
+				});
+
+		}
+
+		header = header_type;
+	}
+
+	void PakReader::ReadData() {
+		auto commonHeader = impl::ReadStreamType<structs::PakHeader_Common>(stream);
+		stream.seekg(0, std::istream::beg);
+
+		std::cout << "picking version " << (int)commonHeader.version << '\n';
+
+		switch(commonHeader.version) {
+			case structs::PakVersion::Ver3:
+				ReadData_Impl<structs::PakHeader_V3>();
+				break;
+			case structs::PakVersion::Ver4:
+				ReadData_Impl<structs::PakHeader_V4>();
+				break;
+			case structs::PakVersion::Ver5:
+				ReadData_Impl<structs::PakHeader_V5>();
+				break;
+			default:
+				return;
 		}
 	}
 
@@ -51,11 +107,10 @@ namespace europa::io {
 		if(!fileObject.data.empty())
 			return;
 
-		auto& toc = fileObject.GetTOCEntry();
-		fileObject.data.resize(toc.size);
+		fileObject.data.resize(fileObject.GetSize());
 
-		stream.seekg(toc.offset, std::istream::beg);
-		stream.read(reinterpret_cast<char*>(&fileObject.data[0]), toc.size);
+		stream.seekg(fileObject.GetOffset(), std::istream::beg);
+		stream.read(reinterpret_cast<char*>(&fileObject.data[0]), fileObject.GetSize());
 	}
 
 	PakReader::MapType& PakReader::GetFiles() {
diff --git a/src/libeuropa/io/PakWriter.cpp b/src/libeuropa/io/PakWriter.cpp
index 3dd30c2..3ec796c 100644
--- a/src/libeuropa/io/PakWriter.cpp
+++ b/src/libeuropa/io/PakWriter.cpp
@@ -12,12 +12,13 @@
 #include <iostream>
 
 #include "StreamUtils.h"
+#include "europa/structs/Pak.hpp"
 
 namespace europa::io {
 
-	void PakWriter::Init(structs::PakHeader::Version version) {
+	void PakWriter::SetVersion(structs::PakVersion version) {
 		// for now.
-		pakHeader.Init(version);
+		this->version = version;
 	}
 
 	// move to a util/ header
@@ -27,28 +28,47 @@ namespace europa::io {
 		return (-value) & alignment - 1;
 	}
 
-	// TODO:
-	// 	 - Composable operations (WriteTOC, WriteFile, WriteHeader)
+	void PakWriter::Write(std::ostream &os, std::vector<FlattenedType> &&vec, PakProgressReportSink &sink) {
+		switch(version) {
+			case structs::PakVersion::Ver3:
+				WriteImpl<structs::PakHeader_V3>(os, std::move(vec), sink);
+				break;
+			case structs::PakVersion::Ver4:
+				WriteImpl<structs::PakHeader_V3>(os, std::move(vec), sink);
+				break;
+			case structs::PakVersion::Ver5:
+				WriteImpl<structs::PakHeader_V3>(os, std::move(vec), sink);
+				break;
+		}
+	}
 
-	void PakWriter::Write(std::ostream& os,  std::vector<FlattenedType>&& vec, PakProgressReportSink& sink) {
+	template<class T>
+	void PakWriter::WriteImpl(std::ostream& os,  std::vector<FlattenedType>&& vec, PakProgressReportSink& sink, bool sectorAligned) {
 
 		std::vector<FlattenedType> sortedFiles = std::move(vec);
 
+		T pakHeader{};
+
 		// Sort the flattened array by file size, the biggest first.
 		// Doesn't seem to help (neither does name length)
 		std::ranges::sort(sortedFiles, std::greater{}, [](const FlattenedType& elem) {
-			return elem.second.GetTOCEntry().size;
+			return elem.second.GetSize();
 		});
 
 		// Leave space for the header
-		os.seekp(sizeof(structs::PakHeader), std::ostream::beg);
+		os.seekp(sizeof(T), std::ostream::beg);
 
 		// Version 5 paks seem to have an additional bit of reserved data
 		// (which is all zeros.)
-		if(pakHeader.version == structs::PakHeader::Version::Ver5) {
+		if(T::VERSION == structs::PakVersion::Ver5) {
 			os.seekp(6, std::ostream::cur);
 		}
 
+		//os.seekp( 
+		//	AlignBy(os.tellp(), 2048),
+		//	std::istream::beg
+		//);
+
 		// Write file data
 		for(auto& [filename, file] : sortedFiles) {
 			sink.OnEvent({
@@ -56,8 +76,17 @@ namespace europa::io {
 				filename
 			});
 
-			file.GetTOCEntry().offset = os.tellp();
-			os.write(reinterpret_cast<const char*>(file.GetData().data()), file.GetData().size());
+
+			file.Visit([&](auto& tocEntry) {
+				tocEntry.offset = os.tellp();
+			});
+
+			os.write(reinterpret_cast<const char*>(file.GetData().data()), file.GetSize());
+
+			//os.seekp( 
+			//	AlignBy(os.tellp(), 2048),
+			//	std::istream::beg
+			//);
 
 			// Flush on file writing
 			os.flush();
@@ -84,7 +113,10 @@ namespace europa::io {
 				os.put(c);
 			os.put('\0');
 
-			impl::WriteStreamType(os, file.GetTOCEntry());
+			file.Visit([&](auto& tocEntry) {
+				impl::WriteStreamType(os, tocEntry);
+			});
+
 		}
 
 
@@ -92,7 +124,6 @@ namespace europa::io {
 			PakProgressReportSink::PakEvent::Type::FillInHeader
 		});
 
-
 		// Fill out the rest of the header.
 		pakHeader.fileCount = sortedFiles.size();
 		pakHeader.tocSize = static_cast<std::uint32_t>(os.tellp()) - (pakHeader.tocOffset - 1);
diff --git a/src/libeuropa/io/StreamUtils.cpp b/src/libeuropa/io/StreamUtils.cpp
index 054aeff..9b20b01 100644
--- a/src/libeuropa/io/StreamUtils.cpp
+++ b/src/libeuropa/io/StreamUtils.cpp
@@ -7,6 +7,7 @@
 //
 
 #include "StreamUtils.h"
+#include <cstdint>
 
 namespace europa::io::impl {
 
@@ -64,4 +65,4 @@ namespace europa::io::impl {
 		}
 	}
 
-} // namespace europa::io::impl
\ No newline at end of file
+} // namespace europa::io::impl
diff --git a/src/tools/eupak/Utils.hpp b/src/tools/eupak/Utils.hpp
index 02ec797..d21ac6b 100644
--- a/src/tools/eupak/Utils.hpp
+++ b/src/tools/eupak/Utils.hpp
@@ -11,6 +11,7 @@
 
 #include <string>
 #include <ctime>
+#include <cstdint>
 
 namespace eupak {
 
diff --git a/src/tools/eupak/main.cpp b/src/tools/eupak/main.cpp
index bdf21cb..f06fc65 100644
--- a/src/tools/eupak/main.cpp
+++ b/src/tools/eupak/main.cpp
@@ -53,7 +53,7 @@ int main(int argc, char** argv) {
 
 	createParser.add_argument("-V","--archive-version")
 				.default_value("starfighter")
-				.help(R"(Output archive version. Either "starfighter" or "jedistarfighter".)")
+				.help(R"(Output archive version. Either "pmdl", "starfighter" or "jedistarfighter".)")
 				.metavar("VERSION");
 
 	createParser.add_argument("output")
@@ -123,16 +123,18 @@ int main(int argc, char** argv) {
 		if(createParser.is_used("--archive-version")) {
 				const auto& versionStr = createParser.get("--archive-version");
 
-				if(versionStr == "starfighter") {
-					args.pakVersion = europa::structs::PakHeader::Version::Ver4;
+				if(versionStr == "pmdl") {
+					args.pakVersion = europa::structs::PakVersion::Ver3;
+				} else if(versionStr == "starfighter") {
+					args.pakVersion = europa::structs::PakVersion::Ver4;
 				} else if(versionStr == "jedistarfighter") {
-					args.pakVersion = europa::structs::PakHeader::Version::Ver5;
+					args.pakVersion = europa::structs::PakVersion::Ver5;
 				} else {
 					std::cout << "Error: Invalid version \"" << versionStr << "\"\n" << createParser;
 					return 1;
 				}
 		} else {
-			args.pakVersion = europa::structs::PakHeader::Version::Ver4;
+			args.pakVersion = europa::structs::PakVersion::Ver4;
 		}
 
 
diff --git a/src/tools/eupak/tasks/CreateTask.cpp b/src/tools/eupak/tasks/CreateTask.cpp
index 4fd4376..381e2a8 100644
--- a/src/tools/eupak/tasks/CreateTask.cpp
+++ b/src/tools/eupak/tasks/CreateTask.cpp
@@ -78,7 +78,7 @@ namespace eupak::tasks {
 	int CreateTask::Run(Arguments&& args) {
 		europa::io::PakWriter writer;
 
-		writer.Init(args.pakVersion);
+		writer.SetVersion(args.pakVersion);
 
 		auto currFile = 0;
 		auto fileCount = 0;
@@ -143,9 +143,10 @@ namespace eupak::tasks {
 			ifs.read(reinterpret_cast<char*>(&pakData[0]), pakData.size());
 
 			file.SetData(std::move(pakData));
-			file.FillTOCEntry();
 
-			file.GetTOCEntry().creationUnixTime = static_cast<std::uint32_t>(lastModified.time_since_epoch().count());
+			file.InitAs(args.pakVersion);
+
+			//file.GetTOCEntry().creationUnixTime = static_cast<std::uint32_t>(lastModified.time_since_epoch().count());
 
 			files.emplace_back(std::make_pair(relativePathName, std::move(file)));
 			progress.tick();
diff --git a/src/tools/eupak/tasks/CreateTask.hpp b/src/tools/eupak/tasks/CreateTask.hpp
index a65bb8c..5259780 100644
--- a/src/tools/eupak/tasks/CreateTask.hpp
+++ b/src/tools/eupak/tasks/CreateTask.hpp
@@ -22,7 +22,7 @@ namespace eupak::tasks {
 				fs::path outputFile;
 
 				bool verbose;
-				europa::structs::PakHeader::Version pakVersion;
+				europa::structs::PakVersion pakVersion;
 			};
 
 			int Run(Arguments&& args);
diff --git a/src/tools/eupak/tasks/ExtractTask.cpp b/src/tools/eupak/tasks/ExtractTask.cpp
index 532ab6e..9bf94b9 100644
--- a/src/tools/eupak/tasks/ExtractTask.cpp
+++ b/src/tools/eupak/tasks/ExtractTask.cpp
@@ -80,7 +80,7 @@ namespace eupak::tasks {
 				std::cerr << "Extracting file \"" << filename << "\"...\n";
 			}
 
-			ofs.write(reinterpret_cast<const char*>(file.GetData().data()), static_cast<std::streampos>(file.GetTOCEntry().size));
+			ofs.write(reinterpret_cast<const char*>(file.GetData().data()), static_cast<std::streampos>(file.GetSize()));
 			ofs.flush();
 			progress.tick();
 		}
diff --git a/src/tools/eupak/tasks/InfoTask.cpp b/src/tools/eupak/tasks/InfoTask.cpp
index fab0a9d..3a5486c 100644
--- a/src/tools/eupak/tasks/InfoTask.cpp
+++ b/src/tools/eupak/tasks/InfoTask.cpp
@@ -36,23 +36,35 @@ namespace eupak::tasks {
 			return 1;
 		}
 
-		std::string version = "Version 4 (Starfighter)";
+		std::visit([&](auto& header){
+			std::string version;
+			if constexpr(std::decay_t<decltype(header)>::VERSION == europa::structs::PakVersion::Ver3)
+				version = "Version 3 (PMDL)";
+			else if constexpr(std::decay_t<decltype(header)>::VERSION == europa::structs::PakVersion::Ver4)
+				version = "Version 4 (Starfighter)";
+			else if constexpr(std::decay_t<decltype(header)>::VERSION == europa::structs::PakVersion::Ver5) 
+				version = "Version 5 (Jedi Starfighter)";
 
-		if(reader.GetHeader().version == europa::structs::PakHeader::Version::Ver5)
-			version = "Version 5 (Jedi Starfighter)";
 
-		std::cout << "Archive " << args.inputPath << ":\n";
-		std::cout << "    Created: " << FormatUnixTimestamp(reader.GetHeader().creationUnixTime, DATE_FORMAT) << '\n';
-		std::cout << "    Version: " << version << '\n';
-		std::cout << "    Size: " << FormatUnit(reader.GetHeader().tocOffset + reader.GetHeader().tocSize) << '\n';
-		std::cout << "    File Count: " << reader.GetHeader().fileCount << " files\n";
+			std::cout << "Archive " << args.inputPath << ":\n";
+			std::cout << "    Created: " << FormatUnixTimestamp(header.creationUnixTime, DATE_FORMAT) << '\n';
+			std::cout << "    Version: " << version << '\n';
+			std::cout << "    Size: " << FormatUnit(header.tocOffset + header.tocSize) << '\n';
+			std::cout << "    File Count: " << header.fileCount << " files\n";
+
+		}, reader.GetHeader());
+
 
 		// Print a detailed file list if verbose.
 		if(args.verbose) {
 			for(auto& [ filename, file ] : reader.GetFiles()) {
 				std::cout << "File \"" << filename << "\":\n";
-				std::cout << "    Created: " << FormatUnixTimestamp(file.GetTOCEntry().creationUnixTime, DATE_FORMAT) << '\n';
-				std::cout << "    Size: " << FormatUnit(file.GetTOCEntry().size) << '\n';
+				file.Visit([&](auto& tocEntry) {
+
+				std::cout << "    Created: " << FormatUnixTimestamp(tocEntry.creationUnixTime, DATE_FORMAT) << '\n';
+				std::cout << "    Size: " << FormatUnit(tocEntry.size) << '\n';
+
+				});
 			}
 		}