diff --git a/OTRExporter/OTRExporter/DisplayListExporter.cpp b/OTRExporter/OTRExporter/DisplayListExporter.cpp
index ecd8faadb..dafa8eb72 100644
--- a/OTRExporter/OTRExporter/DisplayListExporter.cpp
+++ b/OTRExporter/OTRExporter/DisplayListExporter.cpp
@@ -209,7 +209,7 @@ void OTRExporter_DisplayList::Save(ZResource* res, const fs::path& outPath, Bina
 		break;
 		case G_MTX:
 		{
-			if ((!Globals::Instance->HasSegment(GETSEGNUM(data))) || ((data & 0xFFFFFFFF) == 0x07000000)) // En_Zf and En_Ny place a DL in segment 7
+			if ((!Globals::Instance->HasSegment(GETSEGNUM(data), res->parent->workerID)) || ((data & 0xFFFFFFFF) == 0x07000000)) // En_Zf and En_Ny place a DL in segment 7
 			{
 				uint32_t pp = (data & 0x000000FF00000000) >> 32;
 				uint32_t mm = (data & 0x00000000FFFFFFFF);
@@ -404,7 +404,7 @@ void OTRExporter_DisplayList::Save(ZResource* res, const fs::path& outPath, Bina
 		//case G_BRANCH_Z:
 		case G_DL:
 		{
-			if ((!Globals::Instance->HasSegment(GETSEGNUM(data)) && (int)opF3D != G_BRANCH_Z)
+			if ((!Globals::Instance->HasSegment(GETSEGNUM(data), res->parent->workerID) && (int)opF3D != G_BRANCH_Z)
 				|| ((data & 0xFFFFFFFF) == 0x07000000)) // En_Zf and En_Ny place a DL in segment 7
 			{
 				int32_t pp = (data & 0x00FF000000000000) >> 56;
@@ -681,7 +681,7 @@ void OTRExporter_DisplayList::Save(ZResource* res, const fs::path& outPath, Bina
 			uint32_t seg = data & 0xFFFFFFFF;
 			int32_t texAddress = Seg2Filespace(data, dList->parent->baseAddress);
 
-			if (!Globals::Instance->HasSegment(GETSEGNUM(seg)))
+			if (!Globals::Instance->HasSegment(GETSEGNUM(seg), res->parent->workerID))
 			{
 				int32_t __ = (data & 0x00FF000000000000) >> 48;
 				int32_t www = (data & 0x00000FFF00000000) >> 32;
@@ -699,7 +699,7 @@ void OTRExporter_DisplayList::Save(ZResource* res, const fs::path& outPath, Bina
 			else
 			{
 				std::string texName = "";
-				bool foundDecl = Globals::Instance->GetSegmentedPtrName(seg, dList->parent, "", texName);
+				bool foundDecl = Globals::Instance->GetSegmentedPtrName(seg, dList->parent, "", texName, res->parent->workerID);
 
 				int32_t __ = (data & 0x00FF000000000000) >> 48;
 				int32_t www = (data & 0x00000FFF00000000) >> 32;
@@ -718,7 +718,7 @@ void OTRExporter_DisplayList::Save(ZResource* res, const fs::path& outPath, Bina
 
 				if (foundDecl)
 				{
-					ZFile* assocFile = Globals::Instance->GetSegment(GETSEGNUM(seg));
+					ZFile* assocFile = Globals::Instance->GetSegment(GETSEGNUM(seg), res->parent->workerID);
 					std::string assocFileName = assocFile->GetName();
 					std::string fName = "";
 					
@@ -765,8 +765,6 @@ void OTRExporter_DisplayList::Save(ZResource* res, const fs::path& outPath, Bina
 
 				auto segOffset = GETSEGOFFSET(addr);
 				Declaration* vtxDecl = dList->parent->GetDeclarationRanged(segOffset);
-				//std::string vtxName = "";
-				//bool foundDecl = Globals::Instance->GetSegmentedPtrName(seg, dList->parent, "", vtxName);
 
 				int32_t aa = (data & 0x000000FF00000000ULL) >> 32;
 				int32_t nn = (data & 0x000FF00000000000ULL) >> 44;
diff --git a/OTRExporter/OTRExporter/RoomExporter.cpp b/OTRExporter/OTRExporter/RoomExporter.cpp
index 1890711d9..5b7ce4323 100644
--- a/OTRExporter/OTRExporter/RoomExporter.cpp
+++ b/OTRExporter/OTRExporter/RoomExporter.cpp
@@ -407,7 +407,7 @@ void OTRExporter_Room::Save(ZResource* res, const fs::path& outPath, BinaryWrite
 			{
 				uint32_t seg = cmdHeaders->headers[i] & 0xFFFFFFFF;
 				std::string headerName = "";
-				bool foundDecl = Globals::Instance->GetSegmentedPtrName(seg, room->parent, "", headerName);
+				bool foundDecl = Globals::Instance->GetSegmentedPtrName(seg, room->parent, "", headerName, res->parent->workerID);
 				if (headerName == "NULL")
 					writer->Write("");
 				else
@@ -443,7 +443,7 @@ void OTRExporter_Room::Save(ZResource* res, const fs::path& outPath, BinaryWrite
 			SetCutscenes* cmdSetCutscenes = (SetCutscenes*)cmd;
 			
 			std::string listName;
-			Globals::Instance->GetSegmentedPtrName(cmdSetCutscenes->cmdArg2, room->parent, "CutsceneData", listName);
+			Globals::Instance->GetSegmentedPtrName(cmdSetCutscenes->cmdArg2, room->parent, "CutsceneData", listName, res->parent->workerID);
 			std::string fName = OTRExporter_DisplayList::GetPathToRes(room, listName);
 			//std::string fName = StringHelper::Sprintf("%s\\%s", OTRExporter_DisplayList::GetParentFolderName(room).c_str(), listName.c_str());
 			writer->Write(fName);
diff --git a/OTRExporter/OTRExporter/SkeletonExporter.cpp b/OTRExporter/OTRExporter/SkeletonExporter.cpp
index cd9f7a8fd..3e0c58d06 100644
--- a/OTRExporter/OTRExporter/SkeletonExporter.cpp
+++ b/OTRExporter/OTRExporter/SkeletonExporter.cpp
@@ -23,7 +23,7 @@ void OTRExporter_Skeleton::Save(ZResource* res, const fs::path& outPath, BinaryW
 		Declaration* skelDecl = skel->parent->GetDeclarationRanged(GETSEGOFFSET(skel->limbsTable.limbsAddresses[i]));
 
 		std::string name;
-		bool foundDecl = Globals::Instance->GetSegmentedPtrName(skel->limbsTable.limbsAddresses[i], skel->parent, "", name);
+		bool foundDecl = Globals::Instance->GetSegmentedPtrName(skel->limbsTable.limbsAddresses[i], skel->parent, "", name, res->parent->workerID);
 		if (foundDecl)
 		{
 			if (name.at(0) == '&')
diff --git a/OTRExporter/OTRExporter/SkeletonLimbExporter.cpp b/OTRExporter/OTRExporter/SkeletonLimbExporter.cpp
index d22c3d000..e29c9a425 100644
--- a/OTRExporter/OTRExporter/SkeletonLimbExporter.cpp
+++ b/OTRExporter/OTRExporter/SkeletonLimbExporter.cpp
@@ -86,7 +86,7 @@ void OTRExporter_SkeletonLimb::Save(ZResource* res, const fs::path& outPath, Bin
 	if (limb->childPtr != 0)
 	{
 		std::string name;
-		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->childPtr, limb->parent, "", name);
+		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->childPtr, limb->parent, "", name, res->parent->workerID);
 		if (foundDecl)
 		{
 			if (name.at(0) == '&')
@@ -107,7 +107,7 @@ void OTRExporter_SkeletonLimb::Save(ZResource* res, const fs::path& outPath, Bin
 	if (limb->siblingPtr != 0)
 	{
 		std::string name;
-		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->siblingPtr, limb->parent, "", name);
+		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->siblingPtr, limb->parent, "", name, res->parent->workerID);
 		if (foundDecl)
 		{
 			if (name.at(0) == '&')
@@ -128,7 +128,7 @@ void OTRExporter_SkeletonLimb::Save(ZResource* res, const fs::path& outPath, Bin
 	if (limb->dListPtr != 0)
 	{
 		std::string name;
-		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->dListPtr, limb->parent, "", name);
+		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->dListPtr, limb->parent, "", name, res->parent->workerID);
 		if (foundDecl)
 		{
 			if (name.at(0) == '&')
@@ -149,7 +149,7 @@ void OTRExporter_SkeletonLimb::Save(ZResource* res, const fs::path& outPath, Bin
 	if (limb->dList2Ptr != 0)
 	{
 		std::string name;
-		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->dList2Ptr, limb->parent, "", name);
+		bool foundDecl = Globals::Instance->GetSegmentedPtrName(limb->dList2Ptr, limb->parent, "", name, res->parent->workerID);
 		if (foundDecl)
 		{
 			if (name.at(0) == '&')
diff --git a/OTRGui/src/game/game.cpp b/OTRGui/src/game/game.cpp
index 0ea29b602..be8471c09 100644
--- a/OTRGui/src/game/game.cpp
+++ b/OTRGui/src/game/game.cpp
@@ -72,8 +72,15 @@ void OTRGame::init(){
 	}
 }
 
-void ExtractRom() {
-	const WriteResult result = ExtractBaserom(patched_rom);
+void ExtractRom() 
+{
+	WriteResult result;
+
+	if (oldExtractMode)
+		ExtractBaserom(patched_rom);
+	else
+		result.error = NULLSTR;
+
 	if (result.error == NULLSTR) {
 		if (MoonUtils::exists("oot.otr")) MoonUtils::rm("oot.otr");
 		if (MoonUtils::exists("Extract")) MoonUtils::rm("Extract");
diff --git a/OTRGui/src/impl/extractor/extractor.cpp b/OTRGui/src/impl/extractor/extractor.cpp
index 1196733f7..e28fa5513 100644
--- a/OTRGui/src/impl/extractor/extractor.cpp
+++ b/OTRGui/src/impl/extractor/extractor.cpp
@@ -112,7 +112,7 @@ void startWorker(RomVersion version) {
 	else
 	{
 		std::string execStr = Util::format("assets/extractor/%s", isWindows() ? "ZAPD.exe" : "ZAPD.out");
-		std::string args = Util::format(" ed -eh -i %s -b tmp/baserom/ -o %s -osf %s -gsf 1 -rconf assets/extractor/Config_%s.xml -se OTR %s", path.c_str(), path + "../", path + "../", GetXMLVersion(version).c_str(), "");
+		std::string args = Util::format(" ed -eh -i %s -b tmp/rom.z64 -fl assets/extractor/filelists -o %s -osf %s -gsf 1 -rconf assets/extractor/Config_%s.xml -se OTR %s", path.c_str(), path + "../", path + "../", GetXMLVersion(version).c_str(), "");
 		ProcessResult result = NativeFS->LaunchProcess(execStr + args);
 
 		if (result.exitCode != 0) {
diff --git a/ZAPDTR/ZAPD/FileWorker.cpp b/ZAPDTR/ZAPD/FileWorker.cpp
new file mode 100644
index 000000000..e69de29bb
diff --git a/ZAPDTR/ZAPD/FileWorker.h b/ZAPDTR/ZAPD/FileWorker.h
new file mode 100644
index 000000000..6ceae8076
--- /dev/null
+++ b/ZAPDTR/ZAPD/FileWorker.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+#include "ZFile.h"
+
+class FileWorker
+{
+public:
+	std::vector<ZFile*> files;
+	std::vector<ZFile*> externalFiles;
+	std::vector<int32_t> segments;
+	std::map<int32_t, std::vector<ZFile*>> segmentRefFiles;
+};
\ No newline at end of file
diff --git a/ZAPDTR/ZAPD/Globals.cpp b/ZAPDTR/ZAPD/Globals.cpp
index ae172b127..f0df0e547 100644
--- a/ZAPDTR/ZAPD/Globals.cpp
+++ b/ZAPDTR/ZAPD/Globals.cpp
@@ -34,30 +34,88 @@ Globals::~Globals()
 	}
 }
 
-void Globals::AddSegment(int32_t segment, ZFile* file)
+void Globals::AddSegment(int32_t segment, ZFile* file, int workerID)
 {
-	if (std::find(segments.begin(), segments.end(), segment) == segments.end())
-		segments.push_back(segment);
-	if (cfg.segmentRefFiles.find(segment) == cfg.segmentRefFiles.end())
-		cfg.segmentRefFiles[segment] = std::vector<ZFile*>();
-
-	cfg.segmentRefFiles[segment].push_back(file);
-}
-
-bool Globals::HasSegment(int32_t segment)
-{
-	return std::find(segments.begin(), segments.end(), segment) != segments.end();
-}
-
-ZFile* Globals::GetSegment(int32_t segment)
-{
-	if (HasSegment(segment))
+	if (!Globals::Instance->singleThreaded)
 	{
-		int idx = std::find(segments.begin(), segments.end(), segment) - segments.begin();
-		return files[idx];
+		auto worker = workerData[workerID];
+
+		if (std::find(worker->segments.begin(), worker->segments.end(), segment) ==
+		    worker->segments.end())
+			worker->segments.push_back(segment);
+		if (worker->segmentRefFiles.find(segment) == worker->segmentRefFiles.end())
+			worker->segmentRefFiles[segment] = std::vector<ZFile*>();
+
+		worker->segmentRefFiles[segment].push_back(file);
 	}
 	else
-		return nullptr;
+	{
+		if (std::find(segments.begin(), segments.end(), segment) == segments.end())
+			segments.push_back(segment);
+		if (cfg.segmentRefFiles.find(segment) == cfg.segmentRefFiles.end())
+			cfg.segmentRefFiles[segment] = std::vector<ZFile*>();
+
+		cfg.segmentRefFiles[segment].push_back(file);
+	}
+}
+
+bool Globals::HasSegment(int32_t segment, int workerID)
+{
+	if (!Globals::Instance->singleThreaded)
+		return std::find(workerData[workerID]->segments.begin(),
+		                 workerData[workerID]->segments.end(), segment) != workerData[workerID]->segments.end();
+	else
+		return std::find(segments.begin(), segments.end(), segment) != segments.end();
+}
+
+ZFile* Globals::GetSegment(int32_t segment, int workerID)
+{
+	if (!Globals::Instance->singleThreaded)
+	{
+		if (HasSegment(segment, workerID))
+		{
+			int idx = std::find(workerData[workerID]->segments.begin(),
+			                    workerData[workerID]->segments.end(), segment) -
+			          workerData[workerID]->segments.begin();
+			return workerData[workerID]->files[idx];
+		}
+		else
+			return nullptr;
+	}
+	else
+	{
+		if (HasSegment(segment, workerID))
+		{
+			int idx = std::find(segments.begin(), segments.end(), segment) - segments.begin();
+			return files[idx];
+		}
+		else
+			return nullptr;
+	}
+}
+
+std::map<int32_t, std::vector<ZFile*>> Globals::GetSegmentRefFiles(int workerID)
+{
+	if (!Globals::Instance->singleThreaded)
+		return workerData[workerID]->segmentRefFiles;
+	else
+		return cfg.segmentRefFiles;
+}
+
+void Globals::AddFile(ZFile* file, int workerID)
+{
+	if (singleThreaded)
+		files.push_back(file);
+	else
+		workerData[workerID]->files.push_back(file);
+}
+
+void Globals::AddExternalFile(ZFile* file, int workerID)
+{
+	if (singleThreaded)
+		externalFiles.push_back(file);
+	else
+		workerData[workerID]->externalFiles.push_back(file);
 }
 
 std::map<std::string, ExporterSet*>& Globals::GetExporterMap()
@@ -96,13 +154,19 @@ ExporterSet* Globals::GetExporterSet()
 std::vector<uint8_t> Globals::GetBaseromFile(std::string fileName)
 {
 	if (fileMode == ZFileMode::ExtractDirectory)
-		return rom->GetFile(StringHelper::Split(fileName, "baserom/")[1]);
+	{
+		if (StringHelper::Contains(fileName, "baserom/"))
+			fileName = StringHelper::Split(fileName, "baserom/")[1];
+
+		return rom->GetFile(fileName);
+
+	}
 	else
 		return File::ReadAllBytes(fileName);
 }
 
 bool Globals::GetSegmentedPtrName(segptr_t segAddress, ZFile* currentFile,
-                                  const std::string& expectedType, std::string& declName)
+                                  const std::string& expectedType, std::string& declName, int workerID)
 {
 	if (segAddress == 0)
 	{
@@ -138,9 +202,11 @@ bool Globals::GetSegmentedPtrName(segptr_t segAddress, ZFile* currentFile,
 		if (currentFile->GetDeclarationPtrName(segAddress, expectedType, declName))
 			return true;
 	}
-	else if (HasSegment(segment))
+	else if (HasSegment(segment, workerID))
 	{
-		for (auto file : cfg.segmentRefFiles[segment])
+		// OTRTODO: Multithreading
+		auto segs = GetSegmentRefFiles(workerID);
+		for (auto file : segs[segment])
 		{
 			offset = Seg2Filespace(segAddress, file->baseAddress);
 
@@ -184,7 +250,7 @@ bool Globals::GetSegmentedPtrName(segptr_t segAddress, ZFile* currentFile,
 
 bool Globals::GetSegmentedArrayIndexedName(segptr_t segAddress, size_t elementSize,
                                            ZFile* currentFile, const std::string& expectedType,
-                                           std::string& declName)
+                                           std::string& declName, int workerID)
 {
 	if (segAddress == 0)
 	{
@@ -201,9 +267,11 @@ bool Globals::GetSegmentedArrayIndexedName(segptr_t segAddress, size_t elementSi
 		if (addressFound)
 			return true;
 	}
-	else if (HasSegment(segment))
+	else if (HasSegment(segment, workerID))
 	{
-		for (auto file : cfg.segmentRefFiles[segment])
+		// OTRTODO: Multithreading
+		auto segs = GetSegmentRefFiles(workerID);
+		for (auto file : segs[segment])
 		{
 			if (file->IsSegmentedInFilespaceRange(segAddress))
 			{
diff --git a/ZAPDTR/ZAPD/Globals.h b/ZAPDTR/ZAPD/Globals.h
index e52540cbb..683fd6fcd 100644
--- a/ZAPDTR/ZAPD/Globals.h
+++ b/ZAPDTR/ZAPD/Globals.h
@@ -6,6 +6,7 @@
 #include "GameConfig.h"
 #include "ZFile.h"
 #include <ZRom.h>
+#include <FileWorker.h>
 
 class ZRoom;
 
@@ -51,9 +52,10 @@ public:
 	bool outputCrc = false;
 	bool profile;  // Measure performance of certain operations
 	bool useLegacyZDList;
+	bool singleThreaded;
 	VerbosityLevel verbosity;  // ZAPD outputs additional information
 	ZFileMode fileMode;
-	fs::path baseRomPath, inputPath, outputPath, sourceOutputPath, cfgPath;
+	fs::path baseRomPath, inputPath, outputPath, sourceOutputPath, cfgPath, fileListPath;
 	TextureType texType;
 	ZGame game;
 	GameConfig cfg;
@@ -68,6 +70,8 @@ public:
 	std::vector<ZFile*> externalFiles;
 	std::vector<int32_t> segments;
 
+	std::map<int, FileWorker*> workerData;
+
 	std::string currentExporter;
 	static std::map<std::string, ExporterSet*>& GetExporterMap();
 	static void AddExporter(std::string exporterName, ExporterSet* exporterSet);
@@ -75,9 +79,12 @@ public:
 	Globals();
 	~Globals();
 
-	void AddSegment(int32_t segment, ZFile* file);
-	bool HasSegment(int32_t segment);
-	ZFile* GetSegment(int32_t segment);
+	void AddSegment(int32_t segment, ZFile* file, int workerID);
+	bool HasSegment(int32_t segment, int workerID);
+	ZFile* GetSegment(int32_t segment, int workerID);
+	std::map<int32_t, std::vector<ZFile*>> GetSegmentRefFiles(int workerID);
+	void AddFile(ZFile* file, int workerID);
+	void AddExternalFile(ZFile* file, int workerID);
 
 	ZResourceExporter* GetExporter(ZResourceType resType);
 	ExporterSet* GetExporterSet();
@@ -93,8 +100,8 @@ public:
 	 * in which case `declName` will be set to the address formatted as a pointer.
 	 */
 	bool GetSegmentedPtrName(segptr_t segAddress, ZFile* currentFile,
-	                         const std::string& expectedType, std::string& declName);
+	                         const std::string& expectedType, std::string& declName, int workerID);
 
 	bool GetSegmentedArrayIndexedName(segptr_t segAddress, size_t elementSize, ZFile* currentFile,
-	                                  const std::string& expectedType, std::string& declName);
+	                                  const std::string& expectedType, std::string& declName, int workerID);
 };
diff --git a/ZAPDTR/ZAPD/Main.cpp b/ZAPDTR/ZAPD/Main.cpp
index dbfaf1944..194abd3db 100644
--- a/ZAPDTR/ZAPD/Main.cpp
+++ b/ZAPDTR/ZAPD/Main.cpp
@@ -23,16 +23,20 @@
 #include <string>
 #include <string_view>
 #include "tinyxml2.h"
+#include <ctpl_stl.h>
 
 //extern const char gBuildHash[];
 const char gBuildHash[] = "";
 
 bool Parse(const fs::path& xmlFilePath, const fs::path& basePath, const fs::path& outPath,
-           ZFileMode fileMode);
+           ZFileMode fileMode, int workerID);
 
 void BuildAssetTexture(const fs::path& pngFilePath, TextureType texType, const fs::path& outPath);
 void BuildAssetBackground(const fs::path& imageFilePath, const fs::path& outPath);
 void BuildAssetBlob(const fs::path& blobFilePath, const fs::path& outPath);
+int ExtractFunc(int workerID, int fileListSize, std::string fileListItem, ZFileMode fileMode);
+
+volatile int numWorkersLeft = 0;
 
 #if !defined(_MSC_VER) && !defined(__CYGWIN__)
 #define ARRAY_COUNT(arr) (sizeof(arr) / sizeof(arr[0]))
@@ -182,6 +186,10 @@ int main(int argc, char* argv[])
 		{
 			Globals::Instance->cfgPath = argv[++i];
 		}
+		else if (arg == "-fl")  // Set baserom filelist path
+		{
+			Globals::Instance->fileListPath = argv[++i];
+		}
 		else if (arg == "-rconf")  // Read Config File
 		{
 			Globals::Instance->cfg.ReadConfigFile(argv[++i]);
@@ -254,7 +262,7 @@ int main(int argc, char* argv[])
 	Globals::Instance->fileMode = fileMode;
 
 	if (fileMode == ZFileMode::ExtractDirectory)
-		Globals::Instance->rom = new ZRom("baserom.z64");
+		Globals::Instance->rom = new ZRom(Globals::Instance->baseRomPath.string());
 
 	// We've parsed through our commands once. If an exporter exists, it's been set by now.
 	// Now we'll parse through them again but pass them on to our exporter if one is available.
@@ -281,7 +289,6 @@ int main(int argc, char* argv[])
 		if (exporterSet != nullptr && exporterSet->processFileModeFunc != nullptr)
 			procFileModeSuccess = exporterSet->processFileModeFunc(fileMode);
 
-		
 		if (!procFileModeSuccess)
 		{
 			if (fileMode == ZFileMode::ExtractDirectory)
@@ -289,49 +296,44 @@ int main(int argc, char* argv[])
 				std::vector<std::string> fileList =
 					Directory::ListFiles(Globals::Instance->inputPath.string());
 
+				const int num_threads = std::thread::hardware_concurrency();
+				ctpl::thread_pool pool(num_threads / 2);
+
 				bool parseSuccessful;
 				
-
 				auto start = std::chrono::steady_clock::now();
+				int fileListSize = fileList.size();
+				Globals::Instance->singleThreaded = false;
 
-				for (int i = 0; i < fileList.size(); i++)
+				for (int i = 0; i < fileListSize; i++)
+					Globals::Instance->workerData[i] = new FileWorker();
+
+				numWorkersLeft = fileListSize;
+
+				for (int i = 0; i < fileListSize; i++)
 				{
-					printf("(%i / %i): %s\n", (i+1), fileList.size(), fileList[i].c_str());
-
-					for (auto& extFile : Globals::Instance->cfg.externalFiles)
+					if (Globals::Instance->singleThreaded)
 					{
-						fs::path externalXmlFilePath =
-							Globals::Instance->cfg.externalXmlFolder / extFile.xmlPath;
-
-						if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_INFO)
-						{
-							printf("Parsing external file from config: '%s'\n",
-							       externalXmlFilePath.c_str());
-						}
-
-						parseSuccessful = Parse(externalXmlFilePath, Globals::Instance->baseRomPath,
-						                        extFile.outPath, ZFileMode::ExternalFile);
-
-						if (!parseSuccessful)
-							return 1;
+						ExtractFunc(i, fileList.size(), fileList[i], fileMode);
 					}
-
-					parseSuccessful = Parse(fileList[i], Globals::Instance->baseRomPath,
-						Globals::Instance->outputPath, fileMode);
-
-					if (!parseSuccessful)
-						return 1;
-
-					for (int i = 0; i < Globals::Instance->files.size(); i++)
+					else
 					{
-						delete Globals::Instance->files[i];
-						Globals::Instance->files.erase(Globals::Instance->files.begin() + i);
-						i--;
+						std::string fileListItem = fileList[i];
+						pool.push([i, fileListSize, fileListItem, fileMode](int) {
+							ExtractFunc(i, fileListSize, fileListItem, fileMode);
+						});
 					}
+				}
 
-					Globals::Instance->externalFiles.clear();
-					Globals::Instance->segments.clear();
-					Globals::Instance->cfg.segmentRefFiles.clear();
+				if (!Globals::Instance->singleThreaded)
+				{
+					while (true)
+					{
+						if (numWorkersLeft <= 0)
+							break;
+
+						std::this_thread::sleep_for(std::chrono::milliseconds(250));
+					}
 				}
 
 				auto end = std::chrono::steady_clock::now();
@@ -339,7 +341,7 @@ int main(int argc, char* argv[])
 					std::chrono::duration_cast<std::chrono::seconds>(end - start).count();
 
 				printf("Generated OTR File Data in %i seconds\n", diff);
-			}
+ 			}
 			else
 			{
 				bool parseSuccessful;
@@ -356,7 +358,7 @@ int main(int argc, char* argv[])
 					}
 
 					parseSuccessful = Parse(externalXmlFilePath, Globals::Instance->baseRomPath,
-					                        extFile.outPath, ZFileMode::ExternalFile);
+					                        extFile.outPath, ZFileMode::ExternalFile, 0);
 
 					if (!parseSuccessful)
 						return 1;
@@ -364,7 +366,7 @@ int main(int argc, char* argv[])
 
 				parseSuccessful =
 					Parse(Globals::Instance->inputPath, Globals::Instance->baseRomPath,
-				          Globals::Instance->outputPath, fileMode);
+				          Globals::Instance->outputPath, fileMode, 0);
 				if (!parseSuccessful)
 					return 1;
 			}
@@ -403,8 +405,68 @@ int main(int argc, char* argv[])
 	return 0;
 }
 
+int ExtractFunc(int workerID, int fileListSize, std::string fileListItem, ZFileMode fileMode)
+{
+	bool parseSuccessful;
+
+	printf("(%i / %i): %s\n", (workerID + 1), fileListSize, fileListItem.c_str());
+
+	for (auto& extFile : Globals::Instance->cfg.externalFiles)
+	{
+		fs::path externalXmlFilePath = Globals::Instance->cfg.externalXmlFolder / extFile.xmlPath;
+
+		if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_INFO)
+		{
+			printf("Parsing external file from config: '%s'\n", externalXmlFilePath.c_str());
+		}
+
+		parseSuccessful = Parse(externalXmlFilePath, Globals::Instance->baseRomPath,
+		                        extFile.outPath, ZFileMode::ExternalFile, workerID);
+
+		if (!parseSuccessful)
+			return 1;
+	}
+
+	parseSuccessful = Parse(fileListItem, Globals::Instance->baseRomPath,
+	                        Globals::Instance->outputPath, fileMode, workerID);
+
+	if (!parseSuccessful)
+		return 1;
+
+	if (Globals::Instance->singleThreaded)
+	{
+		for (int i = 0; i < Globals::Instance->files.size(); i++)
+		{
+			delete Globals::Instance->files[i];
+			Globals::Instance->files.erase(Globals::Instance->files.begin() + i);
+			i--;
+		}
+
+		Globals::Instance->externalFiles.clear();
+		Globals::Instance->segments.clear();
+		Globals::Instance->cfg.segmentRefFiles.clear();
+	}
+	else
+	{
+		for (int i = 0; i < Globals::Instance->workerData[workerID]->files.size(); i++)
+		{
+			delete Globals::Instance->workerData[workerID]->files[i];
+			Globals::Instance->workerData[workerID]->files.erase(
+				Globals::Instance->workerData[workerID]->files.begin() +
+			                               i);
+			i--;
+		}
+
+		Globals::Instance->workerData[workerID]->externalFiles.clear();
+		Globals::Instance->workerData[workerID]->segments.clear();
+		Globals::Instance->workerData[workerID]->segmentRefFiles.clear();
+
+		numWorkersLeft--;
+	}
+}
+
 bool Parse(const fs::path& xmlFilePath, const fs::path& basePath, const fs::path& outPath,
-           ZFileMode fileMode)
+           ZFileMode fileMode, int workerID)
 {
 	tinyxml2::XMLDocument doc;
 	tinyxml2::XMLError eResult = doc.LoadFile(xmlFilePath.string().c_str());
@@ -432,11 +494,11 @@ bool Parse(const fs::path& xmlFilePath, const fs::path& basePath, const fs::path
 	{
 		if (std::string_view(child->Name()) == "File")
 		{
-			ZFile* file = new ZFile(fileMode, child, basePath, outPath, "", xmlFilePath);
-			Globals::Instance->files.push_back(file);
+			ZFile* file = new ZFile(fileMode, child, basePath, outPath, "", xmlFilePath, workerID);
+			Globals::Instance->AddFile(file, workerID);
 			if (fileMode == ZFileMode::ExternalFile)
 			{
-				Globals::Instance->externalFiles.push_back(file);
+				Globals::Instance->AddExternalFile(file, workerID);
 				file->isExternalFile = true;
 			}
 		}
@@ -469,7 +531,7 @@ bool Parse(const fs::path& xmlFilePath, const fs::path& basePath, const fs::path
 			}
 
 			// Recursion. What can go wrong?
-			Parse(externalXmlFilePath, basePath, externalOutFilePath, ZFileMode::ExternalFile);
+			Parse(externalXmlFilePath, basePath, externalOutFilePath, ZFileMode::ExternalFile, workerID);
 		}
 		else
 		{
@@ -488,7 +550,14 @@ bool Parse(const fs::path& xmlFilePath, const fs::path& basePath, const fs::path
 		if (exporterSet != nullptr && exporterSet->beginXMLFunc != nullptr)
 			exporterSet->beginXMLFunc();
 
-		for (ZFile* file : Globals::Instance->files)
+		std::vector<ZFile*> files;
+
+		if (Globals::Instance->singleThreaded)
+			files = Globals::Instance->files;
+		else
+			files = Globals::Instance->workerData[workerID]->files;
+
+		for (ZFile* file : files)
 		{
 			if (fileMode == ZFileMode::BuildSourceFile)
 				file->BuildSourceFile();
diff --git a/ZAPDTR/ZAPD/OtherStructs/SkinLimbStructs.cpp b/ZAPDTR/ZAPD/OtherStructs/SkinLimbStructs.cpp
index 8ce215c97..c9a537ced 100644
--- a/ZAPDTR/ZAPD/OtherStructs/SkinLimbStructs.cpp
+++ b/ZAPDTR/ZAPD/OtherStructs/SkinLimbStructs.cpp
@@ -199,8 +199,10 @@ std::string Struct_800A598C::GetBodySourceCode() const
 {
 	std::string unk_8_Str;
 	std::string unk_C_Str;
-	Globals::Instance->GetSegmentedPtrName(unk_8, parent, "Struct_800A57C0", unk_8_Str);
-	Globals::Instance->GetSegmentedPtrName(unk_C, parent, "Struct_800A598C_2", unk_C_Str);
+	Globals::Instance->GetSegmentedPtrName(unk_8, parent, "Struct_800A57C0", unk_8_Str,
+	                                       parent->workerID);
+	Globals::Instance->GetSegmentedPtrName(unk_C, parent, "Struct_800A598C_2", unk_C_Str,
+	                                       parent->workerID);
 
 	std::string entryStr = StringHelper::Sprintf("\n\t\tARRAY_COUNTU(%s), ARRAY_COUNTU(%s),\n",
 	                                             unk_8_Str.c_str(), unk_C_Str.c_str());
@@ -316,8 +318,9 @@ std::string Struct_800A5E28::GetBodySourceCode() const
 {
 	std::string unk_4_Str;
 	std::string unk_8_Str;
-	Globals::Instance->GetSegmentedPtrName(unk_4, parent, "Struct_800A598C", unk_4_Str);
-	Globals::Instance->GetSegmentedPtrName(unk_8, parent, "Gfx", unk_8_Str);
+	Globals::Instance->GetSegmentedPtrName(unk_4, parent, "Struct_800A598C", unk_4_Str,
+	                                       parent->workerID);
+	Globals::Instance->GetSegmentedPtrName(unk_8, parent, "Gfx", unk_8_Str, parent->workerID);
 
 	std::string entryStr = "\n";
 	entryStr += StringHelper::Sprintf("\t%i, ARRAY_COUNTU(%s),\n", unk_0, unk_4_Str.c_str());
diff --git a/ZAPDTR/ZAPD/OutputFormatter.cpp b/ZAPDTR/ZAPD/OutputFormatter.cpp
index dbb8692c0..7fac434b2 100644
--- a/ZAPDTR/ZAPD/OutputFormatter.cpp
+++ b/ZAPDTR/ZAPD/OutputFormatter.cpp
@@ -3,7 +3,7 @@
 
 void OutputFormatter::Flush()
 {
-	//if (!Globals::Instance->otrMode)
+	//if (!Globals::Instance->otrMode) // OTRTODO: MULTITHREADING
 	{
 		if (col > lineLimit && !Globals::Instance->otrMode)
 		{
@@ -31,6 +31,10 @@ void OutputFormatter::Flush()
 
 int OutputFormatter::Write(const char* buf, int count)
 {
+	// OTRTODO
+	//if (!Globals::Instance->singleThreaded)
+		//return 0;
+
 	for (int i = 0; i < count; i++)
 	{
 		char c = buf[i];
@@ -92,7 +96,7 @@ int OutputFormatter::Write(const std::string& buf)
 	return Write(buf.data(), buf.size());
 }
 
-OutputFormatter* OutputFormatter::Instance;
+__declspec(thread) OutputFormatter* OutputFormatter::Instance;
 
 int OutputFormatter::WriteStatic(const char* buf, int count)
 {
diff --git a/ZAPDTR/ZAPD/OutputFormatter.h b/ZAPDTR/ZAPD/OutputFormatter.h
index 28955b1cd..f008df2cb 100644
--- a/ZAPDTR/ZAPD/OutputFormatter.h
+++ b/ZAPDTR/ZAPD/OutputFormatter.h
@@ -25,7 +25,7 @@ private:
 
 	void Flush();
 
-	static OutputFormatter* Instance;
+	static __declspec(thread) OutputFormatter* Instance;
 	static int WriteStatic(const char* buf, int count);
 
 public:
diff --git a/ZAPDTR/ZAPD/ZAPD.vcxproj b/ZAPDTR/ZAPD/ZAPD.vcxproj
index f9532c6b8..91ff515a2 100644
--- a/ZAPDTR/ZAPD/ZAPD.vcxproj
+++ b/ZAPDTR/ZAPD/ZAPD.vcxproj
@@ -184,6 +184,7 @@
     <ClCompile Include="..\lib\libgfxd\uc_f3dex2.c" />
     <ClCompile Include="..\lib\libgfxd\uc_f3dexb.c" />
     <ClCompile Include="Declaration.cpp" />
+    <ClCompile Include="FileWorker.cpp" />
     <ClCompile Include="GameConfig.cpp" />
     <ClCompile Include="Globals.cpp" />
     <ClCompile Include="ImageBackend.cpp" />
@@ -273,7 +274,9 @@
     <ClInclude Include="..\lib\stb\stb_image_write.h" />
     <ClInclude Include="..\lib\stb\tinyxml2.h" />
     <ClInclude Include="CRC32.h" />
+    <ClInclude Include="ctpl_stl.h" />
     <ClInclude Include="Declaration.h" />
+    <ClInclude Include="FileWorker.h" />
     <ClInclude Include="GameConfig.h" />
     <ClInclude Include="Globals.h" />
     <ClInclude Include="ImageBackend.h" />
diff --git a/ZAPDTR/ZAPD/ZAPD.vcxproj.filters b/ZAPDTR/ZAPD/ZAPD.vcxproj.filters
index 0d1b20086..c122b7e56 100644
--- a/ZAPDTR/ZAPD/ZAPD.vcxproj.filters
+++ b/ZAPDTR/ZAPD/ZAPD.vcxproj.filters
@@ -294,6 +294,9 @@
     <ClCompile Include="yaz0\yaz0.cpp">
       <Filter>Source Files\Yaz0</Filter>
     </ClCompile>
+    <ClCompile Include="FileWorker.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="ZRoom\ZRoom.h">
@@ -560,6 +563,12 @@
     <ClInclude Include="yaz0\yaz0.h">
       <Filter>Header Files\Yaz0</Filter>
     </ClInclude>
+    <ClInclude Include="FileWorker.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="ctpl_stl.h">
+      <Filter>Header Files\Libraries</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Text Include="..\SymbolMap_OoTMqDbg.txt">
diff --git a/ZAPDTR/ZAPD/ZAnimation.cpp b/ZAPDTR/ZAPD/ZAnimation.cpp
index 3c3100850..ef4735e09 100644
--- a/ZAPDTR/ZAPD/ZAnimation.cpp
+++ b/ZAPDTR/ZAPD/ZAnimation.cpp
@@ -150,10 +150,11 @@ void ZNormalAnimation::DeclareReferences(const std::string& prefix)
 std::string ZNormalAnimation::GetBodySourceCode() const
 {
 	std::string frameDataName;
-	Globals::Instance->GetSegmentedPtrName(rotationValuesSeg, parent, "s16", frameDataName);
+	Globals::Instance->GetSegmentedPtrName(rotationValuesSeg, parent, "s16", frameDataName,
+	                                       parent->workerID);
 	std::string jointIndicesName;
 	Globals::Instance->GetSegmentedPtrName(rotationIndicesSeg, parent, "JointIndex",
-	                                       jointIndicesName);
+	                                       jointIndicesName, parent->workerID);
 
 	std::string headerStr =
 		StringHelper::Sprintf("\n\t{ %i }, %s,\n", frameCount, frameDataName.c_str());
@@ -190,7 +191,7 @@ void ZLinkAnimation::ParseRawData()
 std::string ZLinkAnimation::GetBodySourceCode() const
 {
 	std::string segSymbol;
-	Globals::Instance->GetSegmentedPtrName(segmentAddress, parent, "", segSymbol);
+	Globals::Instance->GetSegmentedPtrName(segmentAddress, parent, "", segSymbol, parent->workerID);
 
 	return StringHelper::Sprintf("\n\t{ %i }, %s\n", frameCount, segSymbol.c_str());
 }
@@ -390,12 +391,13 @@ void ZCurveAnimation::DeclareReferences(const std::string& prefix)
 std::string ZCurveAnimation::GetBodySourceCode() const
 {
 	std::string refIndexStr;
-	Globals::Instance->GetSegmentedPtrName(refIndex, parent, "u8", refIndexStr);
+	Globals::Instance->GetSegmentedPtrName(refIndex, parent, "u8", refIndexStr, parent->workerID);
 	std::string transformDataStr;
 	Globals::Instance->GetSegmentedPtrName(transformData, parent, "TransformData",
-	                                       transformDataStr);
+	                                       transformDataStr, parent->workerID);
 	std::string copyValuesStr;
-	Globals::Instance->GetSegmentedPtrName(copyValues, parent, "s16", copyValuesStr);
+	Globals::Instance->GetSegmentedPtrName(copyValues, parent, "s16", copyValuesStr,
+	                                       parent->workerID);
 
 	return StringHelper::Sprintf("\n\t%s,\n\t%s,\n\t%s,\n\t%i, %i\n", refIndexStr.c_str(),
 	                             transformDataStr.c_str(), copyValuesStr.c_str(), unk_0C, unk_10);
@@ -517,8 +519,10 @@ std::string ZLegacyAnimation::GetBodySourceCode() const
 
 	std::string frameDataName;
 	std::string jointKeyName;
-	Globals::Instance->GetSegmentedPtrName(frameData, parent, "s16", frameDataName);
-	Globals::Instance->GetSegmentedPtrName(jointKey, parent, "JointKey", jointKeyName);
+	Globals::Instance->GetSegmentedPtrName(frameData, parent, "s16", frameDataName,
+	                                       parent->workerID);
+	Globals::Instance->GetSegmentedPtrName(jointKey, parent, "JointKey", jointKeyName,
+	                                       parent->workerID);
 
 	body += StringHelper::Sprintf("\t%i, %i,\n", frameCount, limbCount);
 	body += StringHelper::Sprintf("\t%s,\n", frameDataName.c_str());
diff --git a/ZAPDTR/ZAPD/ZCollision.cpp b/ZAPDTR/ZAPD/ZCollision.cpp
index 5737783e3..2a282cf2f 100644
--- a/ZAPDTR/ZAPD/ZCollision.cpp
+++ b/ZAPDTR/ZAPD/ZCollision.cpp
@@ -198,23 +198,27 @@ std::string ZCollisionHeader::GetBodySourceCode() const
 	declaration += StringHelper::Sprintf("\t{ %i, %i, %i },\n", absMaxX, absMaxY, absMaxZ);
 
 	std::string vtxName;
-	Globals::Instance->GetSegmentedPtrName(vtxAddress, parent, "Vec3s", vtxName);
+	Globals::Instance->GetSegmentedPtrName(vtxAddress, parent, "Vec3s", vtxName, parent->workerID);
 	declaration += StringHelper::Sprintf("\t%i,\n\t%s,\n", numVerts, vtxName.c_str());
 
 	std::string polyName;
-	Globals::Instance->GetSegmentedPtrName(polyAddress, parent, "CollisionPoly", polyName);
+	Globals::Instance->GetSegmentedPtrName(polyAddress, parent, "CollisionPoly", polyName,
+	                                       parent->workerID);
 	declaration += StringHelper::Sprintf("\t%i,\n\t%s,\n", numPolygons, polyName.c_str());
 
 	std::string surfaceName;
-	Globals::Instance->GetSegmentedPtrName(polyTypeDefAddress, parent, "SurfaceType", surfaceName);
+	Globals::Instance->GetSegmentedPtrName(polyTypeDefAddress, parent, "SurfaceType", surfaceName,
+	                                       parent->workerID);
 	declaration += StringHelper::Sprintf("\t%s,\n", surfaceName.c_str());
 
 	std::string camName;
-	Globals::Instance->GetSegmentedPtrName(camDataAddress, parent, "CamData", camName);
+	Globals::Instance->GetSegmentedPtrName(camDataAddress, parent, "CamData", camName,
+	                                       parent->workerID);
 	declaration += StringHelper::Sprintf("\t%s,\n", camName.c_str());
 
 	std::string waterBoxName;
-	Globals::Instance->GetSegmentedPtrName(waterBoxAddress, parent, "WaterBox", waterBoxName);
+	Globals::Instance->GetSegmentedPtrName(waterBoxAddress, parent, "WaterBox", waterBoxName,
+	                                       parent->workerID);
 	declaration += StringHelper::Sprintf("\t%i,\n\t%s\n", numWaterBoxes, waterBoxName.c_str());
 
 	return declaration;
diff --git a/ZAPDTR/ZAPD/ZDisplayList.cpp b/ZAPDTR/ZAPD/ZDisplayList.cpp
index 0cf1d5458..93269b65e 100644
--- a/ZAPDTR/ZAPD/ZDisplayList.cpp
+++ b/ZAPDTR/ZAPD/ZDisplayList.cpp
@@ -553,7 +553,8 @@ int32_t ZDisplayList::OptimizationCheck_LoadTextureBlock(int32_t startIndex, std
 
 			lastTexSeg = segmentNumber;
 
-			Globals::Instance->GetSegmentedPtrName(data & 0xFFFFFFFF, parent, "", texStr);
+			Globals::Instance->GetSegmentedPtrName(data & 0xFFFFFFFF, parent, "", texStr,
+			                                       parent->workerID);
 		}
 
 		// gsDPSetTile
@@ -705,7 +706,7 @@ void ZDisplayList::Opcode_G_DL(uint64_t data, const std::string& prefix, char* l
 
 	if (pp != 0)
 	{
-		if (!Globals::Instance->HasSegment(segNum))
+		if (!Globals::Instance->HasSegment(segNum, parent->workerID))
 			sprintf(line, "gsSPBranchList(0x%08" PRIX64 "),", data & 0xFFFFFFFF);
 		else if (dListDecl != nullptr)
 			sprintf(line, "gsSPBranchList(%s),", dListDecl->varName.c_str());
@@ -715,7 +716,7 @@ void ZDisplayList::Opcode_G_DL(uint64_t data, const std::string& prefix, char* l
 	}
 	else
 	{
-		if (!Globals::Instance->HasSegment(segNum))
+		if (!Globals::Instance->HasSegment(segNum, parent->workerID))
 			sprintf(line, "gsSPDisplayList(0x%08" PRIX64 "),", data & 0xFFFFFFFF);
 		else if (dListDecl != nullptr)
 			sprintf(line, "gsSPDisplayList(%s),", dListDecl->varName.c_str());
@@ -726,7 +727,7 @@ void ZDisplayList::Opcode_G_DL(uint64_t data, const std::string& prefix, char* l
 
 	// if (segNum == 8 || segNum == 9 || segNum == 10 || segNum == 11 || segNum == 12 || segNum ==
 	// 13) // Used for runtime-generated display lists
-	if (!Globals::Instance->HasSegment(segNum))
+	if (!Globals::Instance->HasSegment(segNum, parent->workerID))
 	{
 		if (pp != 0)
 			sprintf(line, "gsSPBranchList(0x%08" PRIX64 "),", data & 0xFFFFFFFF);
@@ -847,7 +848,7 @@ void ZDisplayList::Opcode_G_VTX(uint64_t data, char* line)
 	}
 
 	// Hack: Don't extract vertices from a unknown segment.
-	if (!Globals::Instance->HasSegment(GETSEGNUM(data)))
+	if (!Globals::Instance->HasSegment(GETSEGNUM(data), parent->workerID))
 	{
 		segptr_t segmented = data & 0xFFFFFFFF;
 		references.push_back(segmented);
@@ -951,7 +952,7 @@ void ZDisplayList::Opcode_G_SETTIMG(uint64_t data, const std::string& prefix, ch
 
 		if (parent != nullptr)
 		{
-			if (Globals::Instance->HasSegment(segmentNumber))
+			if (Globals::Instance->HasSegment(segmentNumber, parent->workerID))
 				texDecl = parent->GetDeclaration(texAddress);
 			else
 				texDecl = parent->GetDeclaration(data);
@@ -959,7 +960,7 @@ void ZDisplayList::Opcode_G_SETTIMG(uint64_t data, const std::string& prefix, ch
 
 		if (texDecl != nullptr)
 			sprintf(texStr, "%s", texDecl->varName.c_str());
-		else if (data != 0 && Globals::Instance->HasSegment(segmentNumber))
+		else if (data != 0 && Globals::Instance->HasSegment(segmentNumber, parent->workerID))
 			sprintf(texStr, "%sTex_%06X", prefix.c_str(), texAddress);
 		else
 		{
@@ -972,7 +973,7 @@ void ZDisplayList::Opcode_G_SETTIMG(uint64_t data, const std::string& prefix, ch
 	else
 	{
 		std::string texName;
-		Globals::Instance->GetSegmentedPtrName(data, parent, "", texName);
+		Globals::Instance->GetSegmentedPtrName(data, parent, "", texName, parent->workerID);
 		sprintf(line, "gsDPSetTextureImage(%s, %s, %i, %s),", fmtTbl[fmt], sizTbl[siz], www + 1,
 		        texName.c_str());
 	}
@@ -1672,7 +1673,7 @@ static int32_t GfxdCallback_Texture(segptr_t seg, int32_t fmt, int32_t siz, int3
 	self->TextureGenCheck();
 
 	std::string texName;
-	Globals::Instance->GetSegmentedPtrName(seg, self->parent, "", texName);
+	Globals::Instance->GetSegmentedPtrName(seg, self->parent, "", texName, self->parent->workerID);
 
 	gfxd_puts(texName.c_str());
 
@@ -1696,7 +1697,7 @@ static int32_t GfxdCallback_Palette(uint32_t seg, [[maybe_unused]] int32_t idx,
 	self->TextureGenCheck();
 
 	std::string palName;
-	Globals::Instance->GetSegmentedPtrName(seg, self->parent, "", palName);
+	Globals::Instance->GetSegmentedPtrName(seg, self->parent, "", palName, self->parent->workerID);
 
 	gfxd_puts(palName.c_str());
 
@@ -1710,7 +1711,8 @@ static int32_t GfxdCallback_DisplayList(uint32_t seg)
 	uint32_t dListSegNum = GETSEGNUM(seg);
 
 	std::string dListName = "";
-	bool addressFound = Globals::Instance->GetSegmentedPtrName(seg, self->parent, "Gfx", dListName);
+	bool addressFound = Globals::Instance->GetSegmentedPtrName(seg, self->parent, "Gfx", dListName,
+	                                                           self->parent->workerID);
 
 	if (!addressFound && self->parent->segment == dListSegNum)
 	{
@@ -1733,7 +1735,8 @@ static int32_t GfxdCallback_Matrix(uint32_t seg)
 	std::string mtxName;
 	ZDisplayList* self = static_cast<ZDisplayList*>(gfxd_udata_get());
 
-	bool addressFound = Globals::Instance->GetSegmentedPtrName(seg, self->parent, "Mtx", mtxName);
+	bool addressFound = Globals::Instance->GetSegmentedPtrName(seg, self->parent, "Mtx", mtxName,
+	                                                           self->parent->workerID);
 	if (!addressFound && GETSEGNUM(seg) == self->parent->segment)
 	{
 		Declaration* decl =
@@ -2004,7 +2007,7 @@ bool ZDisplayList::TextureGenCheck(int32_t texWidth, int32_t texHeight, uint32_t
 		       texWidth, texHeight, texIsPalette, texAddr);
 
 	if ((texSeg != 0 || texAddr != 0) && texWidth > 0 && texHeight > 0 && texLoaded &&
-	    Globals::Instance->HasSegment(segmentNumber))
+	    Globals::Instance->HasSegment(segmentNumber, self->parent->workerID))
 	{
 		ZFile* auxParent = nullptr;
 		if (segmentNumber == self->parent->segment)
@@ -2015,7 +2018,8 @@ bool ZDisplayList::TextureGenCheck(int32_t texWidth, int32_t texHeight, uint32_t
 		{
 			// Try to find a non-external file (i.e., one we are actually extracting)
 			// which has the same segment number we are looking for.
-			for (auto& otherFile : Globals::Instance->cfg.segmentRefFiles[segmentNumber])
+			auto segs = Globals::Instance->GetSegmentRefFiles(self->parent->workerID);
+			for (auto& otherFile : segs[segmentNumber])
 			{
 				if (!otherFile->isExternalFile)
 				{
diff --git a/ZAPDTR/ZAPD/ZFile.cpp b/ZAPDTR/ZAPD/ZFile.cpp
index f599e0144..b706c1914 100644
--- a/ZAPDTR/ZAPD/ZFile.cpp
+++ b/ZAPDTR/ZAPD/ZFile.cpp
@@ -41,6 +41,7 @@ ZFile::ZFile()
 	baseAddress = 0;
 	rangeStart = 0x000000000;
 	rangeEnd = 0xFFFFFFFF;
+	workerID = 0;
 }
 
 ZFile::ZFile(const fs::path& nOutPath, const std::string& nName) : ZFile()
@@ -51,7 +52,7 @@ ZFile::ZFile(const fs::path& nOutPath, const std::string& nName) : ZFile()
 }
 
 ZFile::ZFile(ZFileMode nMode, tinyxml2::XMLElement* reader, const fs::path& nBasePath,
-             const fs::path& nOutPath, const std::string& filename, const fs::path& nXmlFilePath)
+             const fs::path& nOutPath, const std::string& filename, const fs::path& nXmlFilePath, int nWorkerID)
 	: ZFile()
 {
 	xmlFilePath = nXmlFilePath;
@@ -66,6 +67,7 @@ ZFile::ZFile(ZFileMode nMode, tinyxml2::XMLElement* reader, const fs::path& nBas
 		outputPath = nOutPath;
 
 	mode = nMode;
+	workerID = nWorkerID;
 
 	ParseXML(reader, filename);
 	if (mode != ZFileMode::ExternalFile)
@@ -167,7 +169,7 @@ void ZFile::ParseXML(tinyxml2::XMLElement* reader, const std::string& filename)
 			}
 		}
 	}
-	Globals::Instance->AddSegment(segment, this);
+	Globals::Instance->AddSegment(segment, this, workerID);
 
 	if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_INFO)
 	{
@@ -183,15 +185,20 @@ void ZFile::ParseXML(tinyxml2::XMLElement* reader, const std::string& filename)
 
 	if (mode == ZFileMode::Extract || mode == ZFileMode::ExternalFile || mode == ZFileMode::ExtractDirectory)
 	{
-		if (!File::Exists((basePath / name).string()))
+		if (Globals::Instance->fileMode != ZFileMode::ExtractDirectory)
 		{
-			std::string errorHeader = StringHelper::Sprintf("binary file '%s' does not exist.",
-			                                                (basePath / name).c_str());
-			HANDLE_ERROR_PROCESS(WarningType::Always, errorHeader, "");
+			if (!File::Exists((basePath / name).string()))
+			{
+				std::string errorHeader = StringHelper::Sprintf("binary file '%s' does not exist.",
+				                                                (basePath / name).c_str());
+				HANDLE_ERROR_PROCESS(WarningType::Always, errorHeader, "");
+			}
 		}
 
-		//rawData = File::ReadAllBytes((basePath / name).string());
-		rawData = Globals::Instance->GetBaseromFile((basePath / name).string());
+		if (Globals::Instance->fileMode == ZFileMode::ExtractDirectory)
+			rawData = Globals::Instance->GetBaseromFile(name);
+		else
+			rawData = Globals::Instance->GetBaseromFile((basePath / name).string());
 
 		if (reader->Attribute("RangeEnd") == nullptr)
 			rangeEnd = rawData.size();
@@ -1093,7 +1100,7 @@ void ZFile::ProcessDeclarationText(Declaration* decl)
 		{
 			std::string vtxName;
 			Globals::Instance->GetSegmentedArrayIndexedName(decl->references[refIndex], 0x10, this,
-			                                                "Vtx", vtxName);
+			                                                "Vtx", vtxName, workerID);
 			decl->text.replace(i, 2, vtxName);
 
 			refIndex++;
diff --git a/ZAPDTR/ZAPD/ZFile.h b/ZAPDTR/ZAPD/ZFile.h
index 235b682e9..7860aa4d3 100644
--- a/ZAPDTR/ZAPD/ZFile.h
+++ b/ZAPDTR/ZAPD/ZFile.h
@@ -35,6 +35,8 @@ public:
 	std::string defines;
 	std::vector<ZResource*> resources;
 
+	int workerID;
+
 	// Default to using virtual addresses
 	uint32_t segment = 0x80;
 	uint32_t baseAddress, rangeStart, rangeEnd;
@@ -42,7 +44,7 @@ public:
 
 	ZFile(const fs::path& nOutPath, const std::string& nName);
 	ZFile(ZFileMode nMode, tinyxml2::XMLElement* reader, const fs::path& nBasePath,
-	      const fs::path& nOutPath, const std::string& filename, const fs::path& nXmlFilePath);
+	      const fs::path& nOutPath, const std::string& filename, const fs::path& nXmlFilePath, int nWorkerID);
 	~ZFile();
 
 	std::string GetName() const;
diff --git a/ZAPDTR/ZAPD/ZLimb.cpp b/ZAPDTR/ZAPD/ZLimb.cpp
index 774fc7150..9eb7eac8d 100644
--- a/ZAPDTR/ZAPD/ZLimb.cpp
+++ b/ZAPDTR/ZAPD/ZLimb.cpp
@@ -223,16 +223,20 @@ std::string ZLimb::GetBodySourceCode() const
 
 	std::string dListStr;
 	std::string dListStr2;
-	Globals::Instance->GetSegmentedArrayIndexedName(dListPtr, 8, parent, "Gfx", dListStr);
-	Globals::Instance->GetSegmentedArrayIndexedName(dList2Ptr, 8, parent, "Gfx", dListStr2);
+	Globals::Instance->GetSegmentedArrayIndexedName(dListPtr, 8, parent, "Gfx", dListStr,
+	                                                parent->workerID);
+	Globals::Instance->GetSegmentedArrayIndexedName(dList2Ptr, 8, parent, "Gfx", dListStr2,
+	                                                parent->workerID);
 
 	std::string entryStr = "\n\t";
 	if (type == ZLimbType::Legacy)
 	{
 		std::string childName;
 		std::string siblingName;
-		Globals::Instance->GetSegmentedPtrName(childPtr, parent, "LegacyLimb", childName);
-		Globals::Instance->GetSegmentedPtrName(siblingPtr, parent, "LegacyLimb", siblingName);
+		Globals::Instance->GetSegmentedPtrName(childPtr, parent, "LegacyLimb", childName,
+		                                       parent->workerID);
+		Globals::Instance->GetSegmentedPtrName(siblingPtr, parent, "LegacyLimb", siblingName,
+		                                       parent->workerID);
 
 		entryStr += StringHelper::Sprintf("%s,\n", dListStr.c_str());
 		entryStr +=
@@ -264,7 +268,8 @@ std::string ZLimb::GetBodySourceCode() const
 		case ZLimbType::Skin:
 		{
 			std::string skinSegmentStr;
-			Globals::Instance->GetSegmentedPtrName(skinSegment, parent, "", skinSegmentStr);
+			Globals::Instance->GetSegmentedPtrName(skinSegment, parent, "", skinSegmentStr,
+			                                       parent->workerID);
 			entryStr +=
 				StringHelper::Sprintf("\t0x%02X, %s\n", skinSegmentType, skinSegmentStr.c_str());
 		}
@@ -370,7 +375,7 @@ void ZLimb::DeclareDList(segptr_t dListSegmentedPtr, const std::string& prefix,
 
 	std::string dlistName;
 	bool declFound = Globals::Instance->GetSegmentedArrayIndexedName(dListSegmentedPtr, 8, parent,
-	                                                                 "Gfx", dlistName);
+	                                                                 "Gfx", dlistName, parent->workerID);
 	if (declFound)
 		return;
 
diff --git a/ZAPDTR/ZAPD/ZPath.cpp b/ZAPDTR/ZAPD/ZPath.cpp
index e19513db3..660821ce8 100644
--- a/ZAPDTR/ZAPD/ZPath.cpp
+++ b/ZAPDTR/ZAPD/ZPath.cpp
@@ -142,8 +142,8 @@ void PathwayEntry::DeclareReferences(const std::string& prefix)
 		return;
 
 	std::string pointsName;
-	bool addressFound =
-		Globals::Instance->GetSegmentedPtrName(listSegmentAddress, parent, "Vec3s", pointsName);
+	bool addressFound = Globals::Instance->GetSegmentedPtrName(listSegmentAddress, parent, "Vec3s",
+	                                                           pointsName, parent->workerID);
 	if (addressFound)
 		return;
 
@@ -177,7 +177,8 @@ std::string PathwayEntry::GetBodySourceCode() const
 {
 	std::string declaration;
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(listSegmentAddress, parent, "Vec3s", listName);
+	Globals::Instance->GetSegmentedPtrName(listSegmentAddress, parent, "Vec3s", listName,
+	                                       parent->workerID);
 
 	if (Globals::Instance->game == ZGame::MM_RETAIL)
 		declaration +=
diff --git a/ZAPDTR/ZAPD/ZRom.cpp b/ZAPDTR/ZAPD/ZRom.cpp
index 55167c596..2a1d3c8a1 100644
--- a/ZAPDTR/ZAPD/ZRom.cpp
+++ b/ZAPDTR/ZAPD/ZRom.cpp
@@ -7,6 +7,7 @@
 #ifndef _MSC_VER
 #include <byteswap.h>
 #endif
+#include <Globals.h>
 
 namespace fs = std::filesystem;
 
@@ -157,7 +158,7 @@ ZRom::ZRom(std::string romPath)
 		break;
 	}
 
-	auto path = StringHelper::Sprintf("CFG/filelists/%s", version.listPath.c_str());
+	auto path = StringHelper::Sprintf("%s/%s", Globals::Instance->fileListPath.string().c_str(), version.listPath.c_str());
 	auto txt = File::ReadAllText(path);
 	std::vector<std::string> lines = StringHelper::Split(txt, "\n");
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetActorCutsceneList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetActorCutsceneList.cpp
index 60391a9d1..4c9e8fb5f 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetActorCutsceneList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetActorCutsceneList.cpp
@@ -54,7 +54,8 @@ void SetActorCutsceneList::DeclareReferences(const std::string& prefix)
 std::string SetActorCutsceneList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "ActorCutscene", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "ActorCutscene", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ACTOR_CUTSCENE_LIST(%i, %s)", cutscenes.size(),
 	                             listName.c_str());
 }
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetActorList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetActorList.cpp
index 919d86f57..1cda3c2c6 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetActorList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetActorList.cpp
@@ -81,7 +81,8 @@ void SetActorList::DeclareReferencesLate(const std::string& prefix)
 std::string SetActorList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "ActorEntry", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "ActorEntry", listName,
+	                                       parent->workerID);
 	if (numActors != actors.size())
 	{
 		printf("%s: numActors(%i) ~ actors(%li)\n", parent->GetName().c_str(), numActors,
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetAlternateHeaders.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetAlternateHeaders.cpp
index 629d4a0b0..a89c2b74d 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetAlternateHeaders.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetAlternateHeaders.cpp
@@ -48,7 +48,8 @@ void SetAlternateHeaders::DeclareReferencesLate(const std::string& prefix)
 		for (size_t i = 0; i < headers.size(); i++)
 		{
 			std::string altHeaderName;
-			Globals::Instance->GetSegmentedPtrName(headers.at(i), parent, "", altHeaderName);
+			Globals::Instance->GetSegmentedPtrName(headers.at(i), parent, "", altHeaderName,
+			                                       parent->workerID);
 
 			declaration += StringHelper::Sprintf("\t%s,", altHeaderName.c_str());
 
@@ -66,7 +67,8 @@ void SetAlternateHeaders::DeclareReferencesLate(const std::string& prefix)
 std::string SetAlternateHeaders::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "SceneCmd*", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "SceneCmd*", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ALTERNATE_HEADER_LIST(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetAnimatedMaterialList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetAnimatedMaterialList.cpp
index 0b9a67e0e..73f72136c 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetAnimatedMaterialList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetAnimatedMaterialList.cpp
@@ -33,7 +33,8 @@ void SetAnimatedMaterialList::DeclareReferences(const std::string& prefix)
 std::string SetAnimatedMaterialList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "AnimatedMaterial", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "AnimatedMaterial", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ANIMATED_MATERIAL_LIST(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetCollisionHeader.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetCollisionHeader.cpp
index 03aaa4bbb..4aafb7c70 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetCollisionHeader.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetCollisionHeader.cpp
@@ -29,7 +29,8 @@ void SetCollisionHeader::DeclareReferences(const std::string& prefix)
 std::string SetCollisionHeader::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "CollisionHeader", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "CollisionHeader", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_COL_HEADER(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetCsCamera.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetCsCamera.cpp
index 5cf0a3d03..577a89cd1 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetCsCamera.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetCsCamera.cpp
@@ -71,7 +71,7 @@ void SetCsCamera::DeclareReferences(const std::string& prefix)
 	{
 		std::string camPointsName;
 		Globals::Instance->GetSegmentedPtrName(cameras.at(0).GetCamAddress(), parent, "Vec3s",
-		                                       camPointsName);
+		                                       camPointsName, parent->workerID);
 		std::string declaration;
 
 		size_t index = 0;
@@ -103,7 +103,8 @@ void SetCsCamera::DeclareReferences(const std::string& prefix)
 std::string SetCsCamera::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "CsCameraEntry", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "CsCameraEntry", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ACTOR_CUTSCENE_CAM_LIST(%i, %s)", cameras.size(),
 	                             listName.c_str());
 }
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetCutscenes.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetCutscenes.cpp
index e51e550b0..106f6f680 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetCutscenes.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetCutscenes.cpp
@@ -86,7 +86,8 @@ void SetCutscenes::ParseRawData()
 std::string SetCutscenes::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "CutsceneData", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "CutsceneData", listName,
+	                                       parent->workerID);
 
 	if (Globals::Instance->game == ZGame::MM_RETAIL)
 		return StringHelper::Sprintf("SCENE_CMD_CUTSCENE_LIST(%i, %s)", numCutscenes,
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetEntranceList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetEntranceList.cpp
index 8099bacf1..aa20102ff 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetEntranceList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetEntranceList.cpp
@@ -63,7 +63,8 @@ void SetEntranceList::DeclareReferencesLate([[maybe_unused]] const std::string&
 std::string SetEntranceList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "EntranceEntry", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "EntranceEntry", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ENTRANCE_LIST(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetExitList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetExitList.cpp
index ddc4c5d43..34d2a6e56 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetExitList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetExitList.cpp
@@ -58,7 +58,7 @@ void SetExitList::DeclareReferencesLate([[maybe_unused]] const std::string& pref
 std::string SetExitList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "u16", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "u16", listName, parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_EXIT_LIST(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetLightList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetLightList.cpp
index 2e023ff20..060fce0a2 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetLightList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetLightList.cpp
@@ -52,7 +52,8 @@ void SetLightList::DeclareReferences(const std::string& prefix)
 std::string SetLightList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "LightInfo", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "LightInfo", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_LIGHT_LIST(%i, %s)", numLights, listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetLightingSettings.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetLightingSettings.cpp
index 08cd83d14..4824f3f61 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetLightingSettings.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetLightingSettings.cpp
@@ -44,7 +44,8 @@ void SetLightingSettings::DeclareReferences(const std::string& prefix)
 std::string SetLightingSettings::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "LightSettings", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "LightSettings", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ENV_LIGHT_SETTINGS(%i, %s)", settings.size(),
 	                             listName.c_str());
 }
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetMesh.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetMesh.cpp
index ba0bbe2c2..0723fcf14 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetMesh.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetMesh.cpp
@@ -78,7 +78,7 @@ std::string SetMesh::GenDListExterns(ZDisplayList* dList)
 std::string SetMesh::GetBodySourceCode() const
 {
 	std::string list;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "", list);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "", list, parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_MESH(%s)", list.c_str());
 }
 
@@ -129,8 +129,8 @@ std::string PolygonDlist::GetBodySourceCode() const
 	std::string bodyStr;
 	std::string opaStr;
 	std::string xluStr;
-	Globals::Instance->GetSegmentedPtrName(opa, parent, "Gfx", opaStr);
-	Globals::Instance->GetSegmentedPtrName(xlu, parent, "Gfx", xluStr);
+	Globals::Instance->GetSegmentedPtrName(opa, parent, "Gfx", opaStr, parent->workerID);
+	Globals::Instance->GetSegmentedPtrName(xlu, parent, "Gfx", xluStr, parent->workerID);
 
 	if (polyType == 2)
 	{
@@ -294,7 +294,7 @@ std::string BgImage::GetBodySourceCode() const
 	}
 
 	std::string backgroundName;
-	Globals::Instance->GetSegmentedPtrName(source, parent, "", backgroundName);
+	Globals::Instance->GetSegmentedPtrName(source, parent, "", backgroundName, parent->workerID);
 	bodyStr += StringHelper::Sprintf("%s, ", backgroundName.c_str());
 	bodyStr += "\n    ";
 	if (!isSubStruct)
@@ -493,7 +493,7 @@ std::string PolygonType1::GetBodySourceCode() const
 	bodyStr += StringHelper::Sprintf("%i, %i, ", type, format);
 
 	std::string dlistStr;
-	Globals::Instance->GetSegmentedPtrName(dlist, parent, "", dlistStr);
+	Globals::Instance->GetSegmentedPtrName(dlist, parent, "", dlistStr, parent->workerID);
 
 	bodyStr += StringHelper::Sprintf("%s, ", dlistStr.c_str());
 	bodyStr += "}, \n";
@@ -505,7 +505,7 @@ std::string PolygonType1::GetBodySourceCode() const
 		bodyStr += single.GetBodySourceCode();
 		break;
 	case 2:
-		Globals::Instance->GetSegmentedPtrName(list, parent, "BgImage", listStr);
+		Globals::Instance->GetSegmentedPtrName(list, parent, "BgImage", listStr, parent->workerID);
 		bodyStr += StringHelper::Sprintf("    %i, %s, \n", count, listStr.c_str());
 		break;
 
@@ -592,7 +592,7 @@ void PolygonType2::DeclareReferences(const std::string& prefix)
 std::string PolygonType2::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(start, parent, "", listName);
+	Globals::Instance->GetSegmentedPtrName(start, parent, "", listName, parent->workerID);
 
 	std::string body = StringHelper::Sprintf("\n    %i, %i,\n", type, polyDLists.size());
 	body += StringHelper::Sprintf("    %s,\n", listName.c_str());
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapChests.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapChests.cpp
index ec432b7d9..3e6c72a11 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapChests.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapChests.cpp
@@ -50,7 +50,8 @@ void SetMinimapChests::DeclareReferences(const std::string& prefix)
 std::string SetMinimapChests::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "MinimapChest", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "MinimapChest", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_MINIMAP_COMPASS_ICON_INFO(0x%02X, %s)", chests.size(),
 	                             listName.c_str());
 }
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapList.cpp
index be5d8f15d..255bd4e3a 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetMinimapList.cpp
@@ -52,7 +52,8 @@ void SetMinimapList::DeclareReferences(const std::string& prefix)
 
 	{
 		std::string listName;
-		Globals::Instance->GetSegmentedPtrName(listSegmentAddr, parent, "MinimapEntry", listName);
+		Globals::Instance->GetSegmentedPtrName(listSegmentAddr, parent, "MinimapEntry", listName,
+		                                       parent->workerID);
 		std::string declaration = StringHelper::Sprintf("\n\t%s, 0x%08X\n", listName.c_str(), unk4);
 
 		parent->AddDeclaration(
@@ -65,7 +66,8 @@ void SetMinimapList::DeclareReferences(const std::string& prefix)
 std::string SetMinimapList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "MinimapList", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "MinimapList", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_MINIMAP_INFO(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetObjectList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetObjectList.cpp
index fdd41e6cb..29519d3ce 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetObjectList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetObjectList.cpp
@@ -51,7 +51,7 @@ void SetObjectList::DeclareReferences(const std::string& prefix)
 std::string SetObjectList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "s16", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "s16", listName, parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_OBJECT_LIST(%i, %s)", objects.size(), listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetPathways.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetPathways.cpp
index 468aad822..f3bdb0872 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetPathways.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetPathways.cpp
@@ -50,7 +50,7 @@ void SetPathways::DeclareReferencesLate(const std::string& prefix)
 std::string SetPathways::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "Path", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "Path", listName, parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_PATH_LIST(%s)", listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetRoomList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetRoomList.cpp
index 7027fa1f9..a63dd8772 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetRoomList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetRoomList.cpp
@@ -34,7 +34,7 @@ void SetRoomList::DeclareReferences(const std::string& prefix)
 std::string SetRoomList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "RomFile", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "RomFile", listName, parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_ROOM_LIST(%i, %s)", romfile->rooms.size(),
 	                             listName.c_str());
 }
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetStartPositionList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetStartPositionList.cpp
index f75b5e0d5..32a2b7000 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetStartPositionList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetStartPositionList.cpp
@@ -51,7 +51,8 @@ void SetStartPositionList::DeclareReferences(const std::string& prefix)
 std::string SetStartPositionList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "ActorEntry", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "ActorEntry", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_SPAWN_LIST(%i, %s)", actors.size(), listName.c_str());
 }
 
diff --git a/ZAPDTR/ZAPD/ZRoom/Commands/SetTransitionActorList.cpp b/ZAPDTR/ZAPD/ZRoom/Commands/SetTransitionActorList.cpp
index a33d1c6e1..2414f0d2f 100644
--- a/ZAPDTR/ZAPD/ZRoom/Commands/SetTransitionActorList.cpp
+++ b/ZAPDTR/ZAPD/ZRoom/Commands/SetTransitionActorList.cpp
@@ -52,7 +52,8 @@ void SetTransitionActorList::DeclareReferences(const std::string& prefix)
 std::string SetTransitionActorList::GetBodySourceCode() const
 {
 	std::string listName;
-	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "TransitionActorEntry", listName);
+	Globals::Instance->GetSegmentedPtrName(cmdArg2, parent, "TransitionActorEntry", listName,
+	                                       parent->workerID);
 	return StringHelper::Sprintf("SCENE_CMD_TRANSITION_ACTOR_LIST(%i, %s)", transitionActors.size(),
 	                             listName.c_str());
 }
diff --git a/ZAPDTR/ZAPD/ZSkeleton.cpp b/ZAPDTR/ZAPD/ZSkeleton.cpp
index bab1f9111..bff4b8263 100644
--- a/ZAPDTR/ZAPD/ZSkeleton.cpp
+++ b/ZAPDTR/ZAPD/ZSkeleton.cpp
@@ -89,7 +89,8 @@ void ZSkeleton::DeclareReferences(const std::string& prefix)
 std::string ZSkeleton::GetBodySourceCode() const
 {
 	std::string limbArrayName;
-	Globals::Instance->GetSegmentedPtrName(limbsArrayAddress, parent, "", limbArrayName);
+	Globals::Instance->GetSegmentedPtrName(limbsArrayAddress, parent, "", limbArrayName,
+	                                       parent->workerID);
 
 	switch (type)
 	{
@@ -245,7 +246,8 @@ std::string ZLimbTable::GetBodySourceCode() const
 	for (size_t i = 0; i < count; i++)
 	{
 		std::string limbName;
-		Globals::Instance->GetSegmentedPtrName(limbsAddresses[i], parent, "", limbName);
+		Globals::Instance->GetSegmentedPtrName(limbsAddresses[i], parent, "", limbName,
+		                                       parent->workerID);
 		body += StringHelper::Sprintf("\t%s,", limbName.c_str());
 
 		if (i + 1 < count)
diff --git a/ZAPDTR/ZAPD/ZText.cpp b/ZAPDTR/ZAPD/ZText.cpp
index 5a8dad53c..58af61bc9 100644
--- a/ZAPDTR/ZAPD/ZText.cpp
+++ b/ZAPDTR/ZAPD/ZText.cpp
@@ -21,12 +21,12 @@ void ZText::ParseRawData()
 	const auto& rawData = parent->GetRawData();
 	uint32_t currentPtr = StringHelper::StrToL(registeredAttributes.at("CodeOffset").value, 16);
 
-	std::vector<uint8_t> codeData = Globals::Instance->GetBaseromFile(Globals::Instance->baseRomPath.string() + "code");
-	//std::vector<uint8_t> codeData = File::ReadAllBytes(Globals::Instance->baseRomPath.string() + "\\code");
+	std::vector<uint8_t> codeData;
 
-	// In some cases with the multi-process extractor it seems that it fails to read the code file if something else is reading from it at the same time.
-	//while (codeData.size() == 0)
-		//codeData = File::ReadAllBytes(Globals::Instance->baseRomPath.string() + "\\code");
+	if (Globals::Instance->fileMode == ZFileMode::ExtractDirectory)
+		codeData = Globals::Instance->GetBaseromFile("code");
+	else
+		codeData = Globals::Instance->GetBaseromFile(Globals::Instance->baseRomPath.string() + "code");
 
 	while (true)
 	{
diff --git a/ZAPDTR/ZAPD/ZTextureAnimation.cpp b/ZAPDTR/ZAPD/ZTextureAnimation.cpp
index 698054fa8..233a54dbb 100644
--- a/ZAPDTR/ZAPD/ZTextureAnimation.cpp
+++ b/ZAPDTR/ZAPD/ZTextureAnimation.cpp
@@ -349,9 +349,12 @@ std::string TextureColorChangingParams::GetBodySourceCode() const
 	std::string envColorListName;
 	std::string frameDataListName;
 
-	Globals::Instance->GetSegmentedPtrName(primColorListAddress, parent, "", primColorListName);
-	Globals::Instance->GetSegmentedPtrName(envColorListAddress, parent, "", envColorListName);
-	Globals::Instance->GetSegmentedPtrName(frameDataListAddress, parent, "", frameDataListName);
+	Globals::Instance->GetSegmentedPtrName(primColorListAddress, parent, "", primColorListName,
+	                                       parent->workerID);
+	Globals::Instance->GetSegmentedPtrName(envColorListAddress, parent, "", envColorListName,
+	                                       parent->workerID);
+	Globals::Instance->GetSegmentedPtrName(frameDataListAddress, parent, "", frameDataListName,
+	                                       parent->workerID);
 
 	std::string bodyStr = StringHelper::Sprintf(
 		"\n    %d, %d, %s, %s, %s,\n", animLength, colorListCount, primColorListName.c_str(),
@@ -423,7 +426,8 @@ void TextureCyclingParams::DeclareReferences([[maybe_unused]] const std::string&
 
 		for (const auto& tex : textureList)
 		{
-			bool texFound = Globals::Instance->GetSegmentedPtrName(tex, parent, "", texName);
+			bool texFound =
+				Globals::Instance->GetSegmentedPtrName(tex, parent, "", texName, parent->workerID);
 
 			// texName is a raw segmented pointer. This occurs if the texture is not declared
 			// separately since we cannot read the format. In theory we could scan DLists for the
@@ -477,9 +481,10 @@ std::string TextureCyclingParams::GetBodySourceCode() const
 	std::string textureListName;
 	std::string textureIndexListName;
 
-	Globals::Instance->GetSegmentedPtrName(textureListAddress, parent, "", textureListName);
+	Globals::Instance->GetSegmentedPtrName(textureListAddress, parent, "", textureListName,
+	                                       parent->workerID);
 	Globals::Instance->GetSegmentedPtrName(textureIndexListAddress, parent, "",
-	                                       textureIndexListName);
+	                                       textureIndexListName, parent->workerID);
 
 	std::string bodyStr = StringHelper::Sprintf(
 		"\n    %d, %s, %s,\n", cycleLength, textureListName.c_str(), textureIndexListName.c_str());
@@ -652,7 +657,8 @@ std::string ZTextureAnimation::GetBodySourceCode() const
 	for (const auto& entry : entries)
 	{
 		std::string paramName;
-		Globals::Instance->GetSegmentedPtrName(entry.paramsPtr, parent, "", paramName);
+		Globals::Instance->GetSegmentedPtrName(entry.paramsPtr, parent, "", paramName,
+		                                       parent->workerID);
 
 		bodyStr += StringHelper::Sprintf("\t{ %d, %d, %s },\n", entry.segment, entry.type,
 		                                 paramName.c_str());
diff --git a/ZAPDTR/ZAPD/ctpl_stl.h b/ZAPDTR/ZAPD/ctpl_stl.h
new file mode 100644
index 000000000..8e2d9c908
--- /dev/null
+++ b/ZAPDTR/ZAPD/ctpl_stl.h
@@ -0,0 +1,251 @@
+/*********************************************************
+*
+*  Copyright (C) 2014 by Vitaliy Vitsentiy
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+*  Unless required by applicable law or agreed to in writing, software
+*  distributed under the License is distributed on an "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*  limitations under the License.
+*
+*********************************************************/
+
+
+#ifndef __ctpl_stl_thread_pool_H__
+#define __ctpl_stl_thread_pool_H__
+
+#include <functional>
+#include <thread>
+#include <atomic>
+#include <vector>
+#include <memory>
+#include <exception>
+#include <future>
+#include <mutex>
+#include <queue>
+
+
+
+// thread pool to run user's functors with signature
+//      ret func(int id, other_params)
+// where id is the index of the thread that runs the functor
+// ret is some return type
+
+
+namespace ctpl {
+
+    namespace detail {
+        template <typename T>
+        class Queue {
+        public:
+            bool push(T const & value) {
+                std::unique_lock<std::mutex> lock(this->mutex);
+                this->q.push(value);
+                return true;
+            }
+            // deletes the retrieved element, do not use for non integral types
+            bool pop(T & v) {
+                std::unique_lock<std::mutex> lock(this->mutex);
+                if (this->q.empty())
+                    return false;
+                v = this->q.front();
+                this->q.pop();
+                return true;
+            }
+            bool empty() {
+                std::unique_lock<std::mutex> lock(this->mutex);
+                return this->q.empty();
+            }
+        private:
+            std::queue<T> q;
+            std::mutex mutex;
+        };
+    }
+
+    class thread_pool {
+
+    public:
+
+        thread_pool() { this->init(); }
+        thread_pool(int nThreads) { this->init(); this->resize(nThreads); }
+
+        // the destructor waits for all the functions in the queue to be finished
+        ~thread_pool() {
+            this->stop(true);
+        }
+
+        // get the number of running threads in the pool
+        int size() { return static_cast<int>(this->threads.size()); }
+
+        // number of idle threads
+        int n_idle() { return this->nWaiting; }
+        std::thread & get_thread(int i) { return *this->threads[i]; }
+
+        // change the number of threads in the pool
+        // should be called from one thread, otherwise be careful to not interleave, also with this->stop()
+        // nThreads must be >= 0
+        void resize(int nThreads) {
+            if (!this->isStop && !this->isDone) {
+                int oldNThreads = static_cast<int>(this->threads.size());
+                if (oldNThreads <= nThreads) {  // if the number of threads is increased
+                    this->threads.resize(nThreads);
+                    this->flags.resize(nThreads);
+
+                    for (int i = oldNThreads; i < nThreads; ++i) {
+                        this->flags[i] = std::make_shared<std::atomic<bool>>(false);
+                        this->set_thread(i);
+                    }
+                }
+                else {  // the number of threads is decreased
+                    for (int i = oldNThreads - 1; i >= nThreads; --i) {
+                        *this->flags[i] = true;  // this thread will finish
+                        this->threads[i]->detach();
+                    }
+                    {
+                        // stop the detached threads that were waiting
+                        std::unique_lock<std::mutex> lock(this->mutex);
+                        this->cv.notify_all();
+                    }
+                    this->threads.resize(nThreads);  // safe to delete because the threads are detached
+                    this->flags.resize(nThreads);  // safe to delete because the threads have copies of shared_ptr of the flags, not originals
+                }
+            }
+        }
+
+        // empty the queue
+        void clear_queue() {
+            std::function<void(int id)> * _f;
+            while (this->q.pop(_f))
+                delete _f; // empty the queue
+        }
+
+        // pops a functional wrapper to the original function
+        std::function<void(int)> pop() {
+            std::function<void(int id)> * _f = nullptr;
+            this->q.pop(_f);
+            std::unique_ptr<std::function<void(int id)>> func(_f); // at return, delete the function even if an exception occurred
+            std::function<void(int)> f;
+            if (_f)
+                f = *_f;
+            return f;
+        }
+
+        // wait for all computing threads to finish and stop all threads
+        // may be called asynchronously to not pause the calling thread while waiting
+        // if isWait == true, all the functions in the queue are run, otherwise the queue is cleared without running the functions
+        void stop(bool isWait = false) {
+            if (!isWait) {
+                if (this->isStop)
+                    return;
+                this->isStop = true;
+                for (int i = 0, n = this->size(); i < n; ++i) {
+                    *this->flags[i] = true;  // command the threads to stop
+                }
+                this->clear_queue();  // empty the queue
+            }
+            else {
+                if (this->isDone || this->isStop)
+                    return;
+                this->isDone = true;  // give the waiting threads a command to finish
+            }
+            {
+                std::unique_lock<std::mutex> lock(this->mutex);
+                this->cv.notify_all();  // stop all waiting threads
+            }
+            for (int i = 0; i < static_cast<int>(this->threads.size()); ++i) {  // wait for the computing threads to finish
+                    if (this->threads[i]->joinable())
+                        this->threads[i]->join();
+            }
+            // if there were no threads in the pool but some functors in the queue, the functors are not deleted by the threads
+            // therefore delete them here
+            this->clear_queue();
+            this->threads.clear();
+            this->flags.clear();
+        }
+
+        template<typename F, typename... Rest>
+        auto push(F && f, Rest&&... rest) ->std::future<decltype(f(0, rest...))> {
+            auto pck = std::make_shared<std::packaged_task<decltype(f(0, rest...))(int)>>(
+                std::bind(std::forward<F>(f), std::placeholders::_1, std::forward<Rest>(rest)...)
+                );
+            auto _f = new std::function<void(int id)>([pck](int id) {
+                (*pck)(id);
+            });
+            this->q.push(_f);
+            std::unique_lock<std::mutex> lock(this->mutex);
+            this->cv.notify_one();
+            return pck->get_future();
+        }
+
+        // run the user's function that excepts argument int - id of the running thread. returned value is templatized
+        // operator returns std::future, where the user can get the result and rethrow the catched exceptins
+        template<typename F>
+        auto push(F && f) ->std::future<decltype(f(0))> {
+            auto pck = std::make_shared<std::packaged_task<decltype(f(0))(int)>>(std::forward<F>(f));
+            auto _f = new std::function<void(int id)>([pck](int id) {
+                (*pck)(id);
+            });
+            this->q.push(_f);
+            std::unique_lock<std::mutex> lock(this->mutex);
+            this->cv.notify_one();
+            return pck->get_future();
+        }
+
+
+    private:
+
+        // deleted
+        thread_pool(const thread_pool &);// = delete;
+        thread_pool(thread_pool &&);// = delete;
+        thread_pool & operator=(const thread_pool &);// = delete;
+        thread_pool & operator=(thread_pool &&);// = delete;
+
+        void set_thread(int i) {
+            std::shared_ptr<std::atomic<bool>> flag(this->flags[i]); // a copy of the shared ptr to the flag
+            auto f = [this, i, flag/* a copy of the shared ptr to the flag */]() {
+                std::atomic<bool> & _flag = *flag;
+                std::function<void(int id)> * _f;
+                bool isPop = this->q.pop(_f);
+                while (true) {
+                    while (isPop) {  // if there is anything in the queue
+                        std::unique_ptr<std::function<void(int id)>> func(_f); // at return, delete the function even if an exception occurred
+                        (*_f)(i);
+                        if (_flag)
+                            return;  // the thread is wanted to stop, return even if the queue is not empty yet
+                        else
+                            isPop = this->q.pop(_f);
+                    }
+                    // the queue is empty here, wait for the next command
+                    std::unique_lock<std::mutex> lock(this->mutex);
+                    ++this->nWaiting;
+                    this->cv.wait(lock, [this, &_f, &isPop, &_flag](){ isPop = this->q.pop(_f); return isPop || this->isDone || _flag; });
+                    --this->nWaiting;
+                    if (!isPop)
+                        return;  // if the queue is empty and this->isDone == true or *flag then return
+                }
+            };
+            this->threads[i].reset(new std::thread(f)); // compiler may not support std::make_unique()
+        }
+
+        void init() { this->nWaiting = 0; this->isStop = false; this->isDone = false; }
+
+        std::vector<std::unique_ptr<std::thread>> threads;
+        std::vector<std::shared_ptr<std::atomic<bool>>> flags;
+        detail::Queue<std::function<void(int id)> *> q;
+        std::atomic<bool> isDone;
+        std::atomic<bool> isStop;
+        std::atomic<int> nWaiting;  // how many threads are waiting
+
+        std::mutex mutex;
+        std::condition_variable cv;
+    };
+
+}
+
+#endif // __ctpl_stl_thread_pool_H__
\ No newline at end of file
diff --git a/ZAPDTR/lib/libgfxd/priv.h b/ZAPDTR/lib/libgfxd/priv.h
index 37cb66b68..34d96f675 100644
--- a/ZAPDTR/lib/libgfxd/priv.h
+++ b/ZAPDTR/lib/libgfxd/priv.h
@@ -2,6 +2,8 @@
 #define GFXD_PRIV_H
 #include "gfxd.h"
 
+#define CONFIG_MT
+
 #ifdef CONFIG_MT
 # ifdef _MSC_VER
 #  define TLOCAL __declspec(thread)
@@ -9,7 +11,7 @@
 #  define TLOCAL _Thread_local
 # endif
 #else
-# define TLOCAL
+#define TLOCAL
 #endif
 
 #define UCFUNC static inline