Source code export placeholder

AerofoilAndroid/copy_source_package.bat

@@ -1,7 +1,8 @@
 cd ..
-del AerofoilAndroid\app\src\main\assets\SourceCode.zip
+copy /Y DefaultTimestamp.timestamp AerofoilAndroid\app\src\main\assets\Packaged\DefaultTimestamp.timestamp
-del AerofoilAndroid\app\src\main\assets\SourceCode.pkg
+del AerofoilAndroid\app\src\main\assets\Packaged\SourceCode.zip
-git archive -0 --format zip -o AerofoilAndroid\app\src\main\assets\SourceCode.zip HEAD
+del AerofoilAndroid\app\src\main\assets\Packaged\SourceCode.pkg
-tools\7z.exe d AerofoilAndroid\app\src\main\assets\SourceCode.zip GliderProData\
+git archive -0 --format zip -o AerofoilAndroid\app\src\main\assets\Packaged\SourceCode.zip HEAD
-cd AerofoilAndroid\app\src\main\assets
+tools\7z.exe d AerofoilAndroid\app\src\main\assets\Packaged\SourceCode.zip GliderProData\
+cd AerofoilAndroid\app\src\main\assets\Packaged
 rename SourceCode.zip SourceCode.pkg

GpApp/Android.mk

@@ -72,6 +72,7 @@ LOCAL_SRC_FILES := \
 	Settings.cpp	\
 	Sound.cpp	\
 	SoundSync_Cpp11.cpp	\
+	SourceExport.cpp	\
 	StringUtils.cpp	\
 	StructuresInit.cpp	\
 	StructuresInit2.cpp	\

GpApp/Externs.h

@@ -48,6 +48,7 @@ namespace PortabilityLayer
 
 #define iAbout					1
 #define iAboutAerofoil			3
+#define iExportSourceCode		4
 #define iNewGame				1
 #define iTwoPlayer				2
 #define iOpenSavedGame			3
@@ -126,6 +127,9 @@ typedef struct
 void DoAbout (void);									// --- About.c
 void DoAboutFramework (void);
 
+// --- SourceExport.c
+void DoExportSourceCode (void);
+
 void LoadCursors (void);								// --- AnimCursor.c
 void DisposCursors (void);
 void IncrementCursor (void);

GpApp/GpApp.vcxproj

@@ -133,6 +133,7 @@
     <ClCompile Include="Settings.cpp" />
     <ClCompile Include="Sound.cpp" />
     <ClCompile Include="SoundSync_Win32.cpp" />
+    <ClCompile Include="SourceExport.cpp" />
     <ClCompile Include="StringUtils.cpp" />
     <ClCompile Include="StructuresInit.cpp" />
     <ClCompile Include="StructuresInit2.cpp" />

GpApp/GpApp.vcxproj.filters

@@ -216,6 +216,9 @@
     <ClCompile Include="Scrap.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="SourceExport.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="SoundSync.h">

GpApp/InterfaceInit.cpp

@@ -55,6 +55,7 @@ void InitializeMenus (void)
 		RedAlert(kErrFailedResourceLoad);
 	//AppendResMenu(appleMenu, 'DRVR');	// GP: We don't support this
 	AppendMenuItem(appleMenu, 0, 0, 0, 0, true, false, PSTR("About " GP_APPLICATION_NAME "\xc9"));
+	AppendMenuItem(appleMenu, 0, 0, 0, 0, true, false, PSTR("Export Source Code\xc9"));
 	InsertMenu(appleMenu, 0);
 	
 	gameMenu = GetMenu(kGameMenuID);

GpApp/Menu.cpp

@@ -297,6 +297,10 @@ void DoAppleMenu (short theItem)
 		DoAboutFramework();
 		break;
 		
+		case iExportSourceCode:
+		DoExportSourceCode();
+		break;
+		
 		default:
 //		GetMenuItemText(appleMenu, theItem, daName);
 //		GetPort(&wasPort);

GpApp/SourceExport.cpp

@@ -0,0 +1,556 @@
+#include "CombinedTimestamp.h"
+#include "DeflateCodec.h"
+#include "Environ.h"
+#include "GpIOStream.h"
+#include "HostDirectoryCursor.h"
+#include "HostFileSystem.h"
+#include "MemoryManager.h"
+#include "PLCore.h"
+#include "PLStandardColors.h"
+#include "PLSysCalls.h"
+#include "RenderedFont.h"
+#include "GpRenderedFontMetrics.h"
+#include "ResolveCachingColor.h"
+#include "ZipFile.h"
+#include "WindowDef.h"
+#include "WindowManager.h"
+#include "FontFamily.h"
+
+#include <vector>
+#include <string>
+
+struct SourceExportState
+{
+	SourceExportState();
+	~SourceExportState();
+
+	Window *m_window;
+	Rect m_progressRect;
+	Rect m_filledProgress;
+	GpIOStream *m_tsStream;
+	GpIOStream *m_sourcePkgStream;
+	GpIOStream *m_looseStream;
+
+	size_t m_dataProcessed;
+	size_t m_dataTotal;
+
+	PortabilityLayer::CombinedTimestamp m_ts;
+
+private:
+	static void CloseStreamIfOpen(GpIOStream *stream)
+	{
+		if (stream)
+			stream->Close();
+	}
+};
+
+SourceExportState::SourceExportState()
+	: m_window(nullptr)
+	, m_progressRect(Rect::Create(0, 0, 0, 0))
+	, m_tsStream(nullptr)
+	, m_sourcePkgStream(nullptr)
+	, m_looseStream(nullptr)
+	, m_dataProcessed(0)
+	, m_dataTotal(0)
+{
+}
+
+SourceExportState::~SourceExportState()
+{
+	if (m_window)
+		PortabilityLayer::WindowManager::GetInstance()->DestroyWindow(m_window);
+
+	CloseStreamIfOpen(m_tsStream);
+	CloseStreamIfOpen(m_sourcePkgStream);
+	CloseStreamIfOpen(m_looseStream);
+}
+
+struct SortableEntry
+{
+	std::string m_zipLocation;
+	PortabilityLayer::VirtualDirectory_t m_virtualDirectory;
+	PortabilityLayer::PascalStr<255> m_filename;
+
+	static SortableEntry Create(const char *zipLocation, PortabilityLayer::VirtualDirectory_t virtualDir, const PLPasStr &filename);
+};
+
+SortableEntry SortableEntry::Create(const char *zipLocation, PortabilityLayer::VirtualDirectory_t virtualDir, const PLPasStr &filename)
+{
+	SortableEntry entry;
+	entry.m_zipLocation = zipLocation;
+	entry.m_virtualDirectory = virtualDir;
+	entry.m_filename.Set(filename.Length(), filename.Chars());
+
+	return entry;
+}
+
+static void ConvertToMSDOSTimestamp(const PortabilityLayer::CombinedTimestamp &ts, uint16_t &msdosDate, uint16_t &msdosTime)
+{
+	int32_t yearsSince1980 = ts.GetLocalYear() - 1980;
+	uint8_t month = ts.m_localMonth;
+	uint8_t day = ts.m_localDay;
+
+	uint8_t hour = ts.m_localHour;
+	uint8_t minute = ts.m_localMinute;
+	uint8_t second = ts.m_localSecond;
+
+	if (yearsSince1980 < 0)
+	{
+		// Time machine
+		yearsSince1980 = 0;
+		second = 0;
+		minute = 0;
+		hour = 0;
+		day = 1;
+		month = 1;
+	}
+	else if (yearsSince1980 > 127)
+	{
+		// I was promised flying cars, but it's 2107 and you're still flying paper airplanes...
+		yearsSince1980 = 127;
+		second = 59;
+		minute = 59;
+		hour = 23;
+		day = 31;
+		month = 12;
+	}
+
+	msdosTime = (second / 2) | (minute << 5) | (hour << 11);
+	msdosDate = day | (month << 5) | (yearsSince1980 << 9);
+}
+
+static void InitSourceExportWindow(SourceExportState *state)
+{
+	static const int kLoadScreenHeight = 32;
+	static const int kLoadScreenWidth = 256;
+
+	ForceSyncFrame();
+	PLSysCalls::Sleep(1);
+
+	int32_t lsX = (thisMac.fullScreen.Width() - kLoadScreenWidth) / 2;
+	int32_t lsY = (thisMac.fullScreen.Height() - kLoadScreenHeight) / 2;
+
+
+	const Rect loadScreenRect = Rect::Create(lsY, lsX, lsY + kLoadScreenHeight, lsX + kLoadScreenWidth);
+	const Rect loadScreenLocalRect = Rect::Create(0, 0, loadScreenRect.Height(), loadScreenRect.Width());
+
+	PortabilityLayer::WindowDef def = PortabilityLayer::WindowDef::Create(loadScreenRect, PortabilityLayer::WindowStyleFlags::kAlert, true, 0, 0, PSTR(""));
+
+	state->m_window = PortabilityLayer::WindowManager::GetInstance()->CreateWindow(def);
+	PortabilityLayer::WindowManager::GetInstance()->PutWindowBehind(state->m_window, PL_GetPutInFrontWindowPtr());
+
+	DrawSurface *surface = state->m_window->GetDrawSurface();
+	PortabilityLayer::ResolveCachingColor blackColor(StdColors::Black());
+	PortabilityLayer::ResolveCachingColor whiteColor(StdColors::White());
+
+	surface->FillRect(loadScreenLocalRect, whiteColor);
+
+	PortabilityLayer::WindowManager::GetInstance()->FlickerWindowIn(state->m_window, 32);
+
+	const PLPasStr loadingText = PSTR("Exporting...");
+	PortabilityLayer::RenderedFont *font = GetApplicationFont(18, PortabilityLayer::FontFamilyFlag_None, true);
+	int32_t textY = (kLoadScreenHeight + font->GetMetrics().m_ascent) / 2;
+	surface->DrawString(Point::Create(4 + 16, textY), loadingText, blackColor, font);
+
+	static const int32_t loadBarPadding = 16;
+	int32_t loadBarStartX = static_cast<int32_t>(font->MeasureString(loadingText.UChars(), loadingText.Length())) + 4 + 16 + loadBarPadding;
+	int32_t loadBarEndX = loadScreenLocalRect.right - loadBarPadding;
+
+	state->m_progressRect = Rect::Create((loadScreenLocalRect.Height() - 8) / 2, loadBarStartX, (loadScreenLocalRect.Height() + 8) / 2, loadBarEndX);
+	state->m_filledProgress = Rect::Create(state->m_progressRect.top, state->m_progressRect.left, state->m_progressRect.bottom, state->m_progressRect.left);
+
+	surface->FrameRect(state->m_progressRect, blackColor);
+}
+
+static bool RetrieveSingleFileSize(PortabilityLayer::VirtualDirectory_t virtualDir, char const* const* paths, size_t numPaths, size_t &outSize)
+{
+	GpIOStream *stream = PortabilityLayer::HostFileSystem::GetInstance()->OpenFileNested(virtualDir, paths, numPaths, false, GpFileCreationDispositions::kOpenExisting);
+	if (!stream)
+		return false;
+
+	const size_t sz = static_cast<size_t>(stream->Size());
+	stream->Close();
+
+	outSize = sz;
+	return true;
+}
+
+static bool RetrieveResourceTypeDirSize(PortabilityLayer::VirtualDirectory_t virtualDir, const char *arcDir, const char *typeDir, size_t &totalSizeOut)
+{
+	size_t totalSize = 0;
+
+	const char *nestedDirs[2] = { arcDir, typeDir };
+
+	PortabilityLayer::HostDirectoryCursor *dirCursor = PortabilityLayer::HostFileSystem::GetInstance()->ScanDirectoryNested(virtualDir, nestedDirs, 2);
+	if (!dirCursor)
+		return false;
+
+	const char *fname = nullptr;
+	while (dirCursor->GetNext(fname))
+	{
+		const char *nestedFile[3] = { arcDir, typeDir, fname };
+
+		size_t fileSize = 0;
+		if (!RetrieveSingleFileSize(virtualDir, nestedFile, 3, fileSize))
+			return false;
+
+		totalSize += fileSize;
+	}
+
+	dirCursor->Destroy();
+
+	totalSizeOut = totalSize;
+
+	return true;
+}
+
+static bool RetrieveResourceDirSize(PortabilityLayer::VirtualDirectory_t virtualDir, const char *arcDir, size_t arcDirLen, size_t &totalSizeOut)
+{
+	size_t totalSize = 0;
+
+	char *subDir = static_cast<char*>(PortabilityLayer::MemoryManager::GetInstance()->Alloc(arcDirLen + 1));
+	memcpy(subDir, arcDir, arcDirLen);
+	subDir[arcDirLen] = '\0';
+
+	PortabilityLayer::HostDirectoryCursor *dirCursor = PortabilityLayer::HostFileSystem::GetInstance()->ScanDirectoryNested(virtualDir, &subDir, 1);
+	if (!dirCursor)
+	{
+		// It's okay for the resource dir to not exist
+		totalSizeOut = 0;
+		return true;
+	}
+
+	const char *fname = nullptr;
+	while (dirCursor->GetNext(fname))
+	{
+		size_t resTypeDirSize = 0;
+		if (!RetrieveResourceTypeDirSize(virtualDir, subDir, fname, resTypeDirSize))
+			return false;
+
+		totalSize += resTypeDirSize;
+	}
+
+	dirCursor->Destroy();
+
+	PortabilityLayer::MemoryManager::GetInstance()->Release(subDir);
+
+	totalSizeOut = totalSize;
+
+	return true;
+}
+
+static bool RetrieveCompositeDirSize(PortabilityLayer::VirtualDirectory_t virtualDir, size_t &totalSizeOut)
+{
+	size_t totalSize = 0;
+	totalSizeOut = 0;
+
+	PortabilityLayer::HostDirectoryCursor *dirCursor = PortabilityLayer::HostFileSystem::GetInstance()->ScanDirectory(virtualDir);
+	if (!dirCursor)
+		return false;
+
+	const char *fname = nullptr;
+	while (dirCursor->GetNext(fname))
+	{
+		size_t fnameLen = strlen(fname);
+		if (fnameLen >= 4 && !memcmp(fname + fnameLen - 4, ".gpf", 4))
+		{
+			size_t resDirSize = 0;
+			if (!RetrieveResourceDirSize(virtualDir, fname, fnameLen - 4, resDirSize))
+				return false;
+
+			totalSize += resDirSize;
+
+			size_t gpfSize = 0;
+			if (!RetrieveSingleFileSize(virtualDir, &fname, 1, gpfSize))
+				return false;
+
+			totalSize += gpfSize;
+		}
+		else if (fnameLen >= 4 && !memcmp(fname + fnameLen - 4, ".gpd", 4))
+		{
+			size_t gpdSize = 0;
+			if (!RetrieveSingleFileSize(virtualDir, &fname, 1, gpdSize))
+				return false;
+
+			totalSize += gpdSize;
+		}
+	}
+
+	totalSizeOut = totalSize;
+
+	return true;
+}
+
+static void UpdateProgress(SourceExportState &state)
+{
+	uint32_t progressWidth = state.m_progressRect.Width();
+	uint32_t oldFillWidth = state.m_filledProgress.Width();
+	uint32_t newFillWidth = static_cast<uint64_t>(state.m_dataProcessed) * static_cast<uint64_t>(progressWidth) / state.m_dataTotal;
+	if (newFillWidth > progressWidth)
+		newFillWidth = progressWidth;
+
+	if (newFillWidth > oldFillWidth)
+	{
+		state.m_filledProgress.right = state.m_filledProgress.left + static_cast<int32_t>(newFillWidth);
+		Rect fillInRect = Rect::Create(state.m_progressRect.top, state.m_progressRect.left + oldFillWidth, state.m_progressRect.bottom, state.m_progressRect.left + newFillWidth);
+
+		PortabilityLayer::ResolveCachingColor blackColor(StdColors::Black());
+		state.m_window->GetDrawSurface()->FillRect(fillInRect, blackColor);
+
+		PLSysCalls::Sleep(1);
+	}
+}
+
+static bool RepackSourcePackage(SourceExportState &state, GpIOStream *outStream, std::vector<PortabilityLayer::ZipCentralDirectoryFileHeader> &centralDirFiles, std::vector<uint8_t> &fileNameChars, std::vector<size_t> &fileNameLengths)
+{
+	PortabilityLayer::MemoryManager *mm = PortabilityLayer::MemoryManager::GetInstance();
+
+	for (;;)
+	{
+		LEUInt32_t signature;
+
+		GpUFilePos_t inSigPos = state.m_sourcePkgStream->Tell();
+
+		if (state.m_sourcePkgStream->Read(&signature, sizeof(signature)) != sizeof(signature))
+			return false;
+
+		if (signature != PortabilityLayer::ZipFileLocalHeader::kSignature)
+		{
+			// Trim central dir size off of the data estimate
+			state.m_dataTotal -= (state.m_sourcePkgStream->Size() - inSigPos);
+			return true;
+		}
+
+		PortabilityLayer::ZipFileLocalHeader lHeader;
+		lHeader.m_signature = signature;
+
+		if (state.m_sourcePkgStream->Read(reinterpret_cast<uint8_t*>(&lHeader) + sizeof(signature), sizeof(lHeader) - sizeof(signature)) != sizeof(lHeader) - sizeof(signature))
+			return false;
+
+		state.m_dataProcessed += sizeof(lHeader);
+
+		GpUFilePos_t outLocalHeaderPos = outStream->Tell();
+		if (outStream->Write(&lHeader, sizeof(lHeader)) != sizeof(lHeader))
+			return false;
+
+		const size_t fileNameLength = lHeader.m_fileNameLength;
+		const size_t nameAndExtraFieldLength = fileNameLength + lHeader.m_extraFieldLength;
+		uint8_t *nameAndExtraField = static_cast<uint8_t*>(mm->Alloc(nameAndExtraFieldLength));
+		if (!nameAndExtraField)
+			return false;
+
+		if (state.m_sourcePkgStream->Read(nameAndExtraField, nameAndExtraFieldLength) != nameAndExtraFieldLength)
+		{
+			mm->Release(nameAndExtraField);
+			return false;
+		}
+
+		state.m_dataProcessed += nameAndExtraFieldLength;
+
+		fileNameChars.reserve(fileNameLength);
+		for (size_t i = 0; i < fileNameLength; i++)
+			fileNameChars.push_back(nameAndExtraField[i]);
+
+		fileNameLengths.push_back(fileNameLength);
+
+		if (!outStream->Write(nameAndExtraField, nameAndExtraFieldLength))
+			return false;
+
+		const bool endsInSlash = (nameAndExtraField[fileNameLength - 1] == '/');
+
+		mm->Release(nameAndExtraField);
+
+		assert(lHeader.m_method == PortabilityLayer::ZipConstants::kStoredMethod);
+
+		size_t uncompressedSize = lHeader.m_uncompressedSize;
+		size_t compressedSize = 0;
+
+		GpUFilePos_t compressedDataStart = outStream->Tell();
+
+		uint8_t copyBuffer[2048];
+
+		bool isCompressed = false;
+		if (uncompressedSize != 0)
+		{
+			isCompressed = true;
+
+			PortabilityLayer::DeflateContext *context = PortabilityLayer::DeflateContext::Create(outStream, 9);
+			if (!context)
+				return false;
+
+			size_t compressRemaining = uncompressedSize;
+			while (compressRemaining > 0)
+			{
+				size_t chunkSize = compressRemaining;
+				if (chunkSize > sizeof(copyBuffer))
+					chunkSize = sizeof(copyBuffer);
+
+				if (state.m_sourcePkgStream->Read(copyBuffer, chunkSize) != chunkSize || !context->Append(copyBuffer, chunkSize))
+				{
+					context->Destroy();
+					return false;
+				}
+
+				compressRemaining -= chunkSize;
+			}
+
+			if (!context->Flush())
+			{
+				context->Destroy();
+				return false;
+			}
+
+			context->Destroy();
+		}
+
+		GpUFilePos_t compressedDataEnd = outStream->Tell();
+
+		lHeader.m_compressedSize = static_cast<uint32_t>(compressedDataEnd - compressedDataStart);
+		if (isCompressed)
+		{
+			lHeader.m_method = PortabilityLayer::ZipConstants::kDeflatedMethod;
+			lHeader.m_versionRequired = PortabilityLayer::ZipConstants::kCompressedRequiredVersion;
+
+			if (!outStream->SeekStart(outLocalHeaderPos))
+				return false;
+
+			if (outStream->Write(&lHeader, sizeof(lHeader)) != sizeof(lHeader))
+				return false;
+
+			if (!outStream->SeekStart(compressedDataEnd))
+				return false;
+		}
+
+		state.m_dataProcessed += uncompressedSize;
+
+		const bool isDirectory = (lHeader.m_uncompressedSize == 0 && endsInSlash);
+
+		PortabilityLayer::ZipCentralDirectoryFileHeader cdirHeader;
+		cdirHeader.m_signature = PortabilityLayer::ZipCentralDirectoryFileHeader::kSignature;
+		cdirHeader.m_versionCreated = PortabilityLayer::ZipConstants::kCompressedRequiredVersion;
+		cdirHeader.m_versionRequired = isDirectory ? PortabilityLayer::ZipConstants::kDirectoryRequiredVersion : lHeader.m_versionRequired;
+		cdirHeader.m_flags = 0;
+		cdirHeader.m_method = lHeader.m_method;
+		cdirHeader.m_modificationTime = lHeader.m_modificationTime;
+		cdirHeader.m_modificationDate = lHeader.m_modificationDate;
+		cdirHeader.m_crc = lHeader.m_crc;
+		cdirHeader.m_compressedSize = lHeader.m_compressedSize;
+		cdirHeader.m_uncompressedSize = lHeader.m_uncompressedSize;
+		cdirHeader.m_fileNameLength = lHeader.m_fileNameLength;
+		cdirHeader.m_extraFieldLength = 0;
+		cdirHeader.m_commentLength = 0;
+		cdirHeader.m_diskNumber = 0;
+		cdirHeader.m_internalAttributes = 0;
+		cdirHeader.m_externalAttributes = isDirectory ? PortabilityLayer::ZipConstants::kDirectoryAttributes : PortabilityLayer::ZipConstants::kArchivedAttributes;
+		cdirHeader.m_localHeaderOffset = outLocalHeaderPos;
+
+		centralDirFiles.push_back(cdirHeader);
+
+		UpdateProgress(state);
+	}
+
+	return true;
+}
+
+static bool WriteCentralDirectory(GpIOStream *stream, const std::vector<PortabilityLayer::ZipCentralDirectoryFileHeader> &centralDirFiles, const std::vector<uint8_t> &fileNameChars, const std::vector<size_t> &fileNameLengths)
+{
+	const size_t numEntries = centralDirFiles.size();
+	assert(fileNameLengths.size() == numEntries);
+
+	GpUFilePos_t cdirLoc = stream->Tell();
+
+	size_t fnameOffset = 0;
+	for (size_t i = 0; i < numEntries; i++)
+	{
+		const PortabilityLayer::ZipCentralDirectoryFileHeader &cdirHeader = centralDirFiles[i];
+
+		if (stream->Write(&cdirHeader, sizeof(cdirHeader)) != sizeof(cdirHeader))
+			return false;
+
+		const size_t fnameLength = fileNameLengths[i];
+		if (stream->Write(&fileNameChars[fnameOffset], fnameLength) != fnameLength)
+			return false;
+
+		fnameOffset += fnameLength;
+	}
+
+	GpUFilePos_t cdirEnd = stream->Tell();
+
+	PortabilityLayer::ZipEndOfCentralDirectoryRecord ecdRec;
+	ecdRec.m_signature = PortabilityLayer::ZipEndOfCentralDirectoryRecord::kSignature;
+	ecdRec.m_thisDiskNumber = 0;
+	ecdRec.m_centralDirDisk = 0;
+	ecdRec.m_numCentralDirRecordsThisDisk = centralDirFiles.size();
+	ecdRec.m_numCentralDirRecords = centralDirFiles.size();
+	ecdRec.m_centralDirectorySizeBytes = cdirEnd - cdirLoc;
+	ecdRec.m_centralDirStartOffset = cdirLoc;
+	ecdRec.m_commentLength = 0;
+
+	if (stream->Write(&ecdRec, sizeof(ecdRec)) != sizeof(ecdRec))
+		return false;
+
+	return true;
+}
+
+bool ExportSourceToStream (GpIOStream *stream)
+{
+	SourceExportState state;
+	InitSourceExportWindow(&state);
+
+	state.m_tsStream = PortabilityLayer::HostFileSystem::GetInstance()->OpenFile(PortabilityLayer::VirtualDirectories::kApplicationData, "DefaultTimestamp.timestamp", false, GpFileCreationDispositions::kOpenExisting);
+	if (!state.m_tsStream)
+		return false;
+
+	// Read timestamp
+	const bool readTSOK = (state.m_tsStream->Read(&state.m_ts, sizeof(state.m_ts)) != sizeof(state.m_ts));
+	state.m_tsStream->Close();
+	state.m_tsStream = nullptr;
+
+	state.m_sourcePkgStream = PortabilityLayer::HostFileSystem::GetInstance()->OpenFile(PortabilityLayer::VirtualDirectories::kApplicationData, "SourceCode.pkg", false, GpFileCreationDispositions::kOpenExisting);
+	if (!state.m_sourcePkgStream)
+		return false;
+
+	PLSysCalls::ForceSyncFrame();
+	PLSysCalls::Sleep(1);
+
+	size_t sourcePkgSize = state.m_sourcePkgStream->Size();
+	size_t looseFilesSize = 0;
+	if (!RetrieveCompositeDirSize(PortabilityLayer::VirtualDirectories::kGameData, looseFilesSize))
+		return false;
+
+	PLSysCalls::ForceSyncFrame();
+	PLSysCalls::Sleep(1);
+
+	size_t applicationDataSize = 0;
+	const char *applicationDataPath = "ApplicationResources";
+	if (!RetrieveResourceDirSize(PortabilityLayer::VirtualDirectories::kApplicationData, applicationDataPath, strlen(applicationDataPath), applicationDataSize))
+		return false;
+
+	PLSysCalls::ForceSyncFrame();
+	PLSysCalls::Sleep(1);
+
+	state.m_dataTotal = applicationDataSize + looseFilesSize + sourcePkgSize;
+
+	std::vector<PortabilityLayer::ZipCentralDirectoryFileHeader> centralDirFiles;
+	std::vector<uint8_t> fileNameChars;
+	std::vector<size_t> fileNameLengths;
+
+	RepackSourcePackage(state, stream, centralDirFiles, fileNameChars, fileNameLengths);
+
+	if (!WriteCentralDirectory(stream, centralDirFiles, fileNameChars, fileNameLengths))
+		return false;
+
+	PortabilityLayer::WindowManager::GetInstance()->FlickerWindowOut(state.m_window, 32);
+
+	return true;
+}
+
+void DoExportSourceCode (void)
+{
+	GpIOStream *stream = PortabilityLayer::HostFileSystem::GetInstance()->OpenFile(PortabilityLayer::VirtualDirectories::kPrefs, "SourceExport.zip", true, GpFileCreationDispositions::kCreateOrOverwrite);
+	if (!stream)
+		return;
+
+	ExportSourceToStream(stream);
+	stream->Close();
+}

PortabilityLayer/DeflateCodec.cpp

@@ -9,6 +9,8 @@
 #include "zlib.h"
 #endif
 
+#include <string.h>
+
 namespace
 {
 	static voidpf ZlibAllocShim(voidpf opaque, uInt items, uInt size)
@@ -22,9 +24,7 @@ namespace
 	}
 }
 
-namespace PortabilityLayer
+bool PortabilityLayer::DeflateCodec::DecompressStream(GpIOStream *stream, size_t inSize, void *outBuffer, size_t outSize)
-{
-	bool DeflateCodec::DecompressStream(GpIOStream *stream, size_t inSize, void *outBuffer, size_t outSize)
 {
 	z_stream zstream;
 	zstream.zalloc = ZlibAllocShim;
@@ -84,4 +84,129 @@ namespace PortabilityLayer
 
 	return !failed;
 }
+
+namespace PortabilityLayer
+{
+	class DeflateContextImpl final : public DeflateContext
+	{
+	public:
+		DeflateContextImpl(GpIOStream *stream, int compressionLevel);
+		~DeflateContextImpl();
+
+		bool Init();
+
+		void Destroy() override;
+		bool Append(const void *buffer, size_t size) override;
+
+		bool Flush() override;
+
+	private:
+		GpIOStream *m_ioStream;
+		z_stream m_zStream;
+		int m_compressionLevel;
+		bool m_streamInitialized;
+
+		uint8_t m_flushBuffer[1024];
+	};
+}
+
+PortabilityLayer::DeflateContextImpl::DeflateContextImpl(GpIOStream *stream, int compressionLevel)
+	: m_ioStream(stream)
+	, m_compressionLevel(compressionLevel)
+	, m_streamInitialized(false)
+{
+	memset(&m_zStream, 0, sizeof(m_zStream));
+}
+
+PortabilityLayer::DeflateContextImpl::~DeflateContextImpl()
+{
+	if (m_streamInitialized)
+		deflateEnd(&m_zStream);
+}
+
+bool PortabilityLayer::DeflateContextImpl::Init()
+{
+	m_zStream.zalloc = ZlibAllocShim;
+	m_zStream.zfree = ZlibFreeShim;
+	m_zStream.opaque = MemoryManager::GetInstance();
+
+	if (deflateInit2(&m_zStream, m_compressionLevel, Z_DEFLATED, -15, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY) != Z_OK)
+		return false;
+
+	m_streamInitialized = true;
+	return true;
+}
+
+void PortabilityLayer::DeflateContextImpl::Destroy()
+{
+	this->~DeflateContextImpl();
+	PortabilityLayer::MemoryManager::GetInstance()->Release(this);
+}
+
+bool PortabilityLayer::DeflateContextImpl::Append(const void *buffer, size_t size)
+{
+	m_zStream.avail_out = sizeof(m_flushBuffer);
+	m_zStream.next_out = m_flushBuffer;
+
+	m_zStream.next_in = reinterpret_cast<Bytef*>(const_cast<void*>(buffer));
+	m_zStream.avail_in = size;
+
+	while (m_zStream.avail_in > 0)
+	{
+		if (deflate(&m_zStream, Z_NO_FLUSH) != Z_OK)
+			return false;
+
+		if (m_zStream.avail_out != sizeof(m_flushBuffer))
+		{
+			size_t amountOut = sizeof(m_flushBuffer) - m_zStream.avail_out;
+			if (m_ioStream->Write(m_flushBuffer, amountOut) != amountOut)
+				return false;
+
+			m_zStream.avail_out = sizeof(m_flushBuffer);
+			m_zStream.next_out = m_flushBuffer;
+		}
+	}
+
+	return true;
+}
+
+bool PortabilityLayer::DeflateContextImpl::Flush()
+{
+	for (;;)
+	{
+		const int deflateCode = deflate(&m_zStream, Z_FINISH);
+		if (deflateCode != Z_OK && deflateCode != Z_STREAM_END)
+			return false;
+
+		if (m_zStream.avail_out != sizeof(m_flushBuffer))
+		{
+			size_t amountOut = sizeof(m_flushBuffer) - m_zStream.avail_out;
+			if (m_ioStream->Write(m_flushBuffer, amountOut) != amountOut)
+				return false;
+
+			m_zStream.avail_out = sizeof(m_flushBuffer);
+			m_zStream.next_out = m_flushBuffer;
+		}
+
+		if (deflateCode == Z_STREAM_END)
+			break;
+	}
+
+	return true;
+}
+
+PortabilityLayer::DeflateContext *PortabilityLayer::DeflateContext::Create(GpIOStream *stream, int compressionLevel)
+{
+	void *storage = PortabilityLayer::MemoryManager::GetInstance()->Alloc(sizeof(PortabilityLayer::DeflateContextImpl));
+	if (!storage)
+		return nullptr;
+
+	DeflateContextImpl *obj = new (storage) DeflateContextImpl(stream, compressionLevel);
+	if (!obj->Init())
+	{
+		obj->Destroy();
+		return nullptr;
+	}
+
+	return obj;
 }

PortabilityLayer/DeflateCodec.h

@@ -6,6 +6,17 @@ class GpIOStream;
 
 namespace PortabilityLayer
 {
+	class DeflateContext
+	{
+	public:
+		static DeflateContext *Create(GpIOStream *stream, int compressionLevel);
+
+		virtual void Destroy() = 0;
+		virtual bool Append(const void *buffer, size_t size) = 0;
+
+		virtual bool Flush() = 0;
+	};
+
 	class DeflateCodec
 	{
 	public:

PortabilityLayer/ZipFile.h

@@ -34,6 +34,9 @@ namespace PortabilityLayer
 		LEUInt32_t m_uncompressedSize;
 		LEUInt16_t m_fileNameLength;
 		LEUInt16_t m_extraFieldLength;
+
+		// File name
+		// Extra field
 	};
 
 	struct ZipCentralDirectoryFileHeader