manager.cpp
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manager.cpp
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	#include "main/references.h"
	#include "main/input_handling.h"
	#include "main/logging.h"
	#include "main/tick.h"
	#include "main/console.h"
	#include "scripts/manager.h"
	#include "scripts/binds.h"
	#include "scripts/context_cache.h"
	#include "str_util.h"
	#include "files.h"
	#include "threads.h"
	#include "angelscript.h"
	#include "scriptarray.h"
	#include "scriptstdstring.h"
	#include "scriptmath.h"
	#include "scriptdictionary.h"
	#include "scriptmap.h"
	#include "scriptany.h"
	#include "scripthandle.h"
	#include "compat/misc.h"
	#include "compat/regex.h"
	#include "util/save_file.h"
	#include <stack>
	#include <string>
	#include <iostream>
	#include <fstream>
	#include <queue>
	#include <algorithm>
	#include <set>
	#include "../angelscript/source/as_module.h"
	#include "../angelscript/source/as_objecttype.h"

	//Fix angelscript including windows.h in an ugly way
	#ifdef _MSC_VER
	#undef max
	#endif

	#ifdef _DEBUG

	#ifndef SCRIPT_MAX_TICK_FAILS
	#define SCRIPT_MAX_TICK_FAILS 1
	#endif

	#ifndef SCRIPT_MAX_DRAW_FAILS
	#define SCRIPT_MAX_DRAW_FAILS 1
	#endif

	#ifndef SCRIPT_MAX_RENDER_FAILS
	#define SCRIPT_MAX_RENDER_FAILS 1
	#endif

	#else

	#ifndef SCRIPT_MAX_TICK_FAILS
	#define SCRIPT_MAX_TICK_FAILS 16
	#endif

	#ifndef SCRIPT_MAX_DRAW_FAILS
	#define SCRIPT_MAX_DRAW_FAILS 16
	#endif

	#ifndef SCRIPT_MAX_RENDER_FAILS
	#define SCRIPT_MAX_RENDER_FAILS 16
	#endif

	#endif

	#define DISABLE_SCRIPT_CACHE

	namespace scripts {
	extern void RegisterEarlyNetworkBinds(asIScriptEngine* engine);

	Threaded(asIScriptContext*) clientContext = 0;

	threads::Mutex sectionLock;
	std::string lastSection;

	#ifndef DISABLE_SCRIPT_CACHE
	static bool loadCached(Module& mod, const File& fl, const std::string& cache_file, unsigned cache_version);
	static void saveCached(Module& mod, const std::string& cache_file, unsigned cache_version);
	#endif

	void printErrors(asSMessageInfo* msg, void* ptr) {
	if(msg->section) {
	threads::Lock lock(sectionLock);
	if(lastSection != msg->section) {
	lastSection = msg->section;
	error("%s:", msg->section);
	}
	}

	if(msg->type == asMSGTYPE_INFORMATION) {
	error(" %s", msg->message);
	}
	else {
	const char* type;
	if(msg->type == asMSGTYPE_ERROR)
	type = "Error";
	else// if(msg->type == asMSGTYPE_WARNING)
	type = "Warning";

	if(msg->col \|\| msg->row)
	error(" %s (%d:%d): %s", type, msg->row, msg->col, msg->message);
	else
	error(" %s: %s", type, msg->message);
	}
	}

	enum ManagerType {
	MT_Server,
	MT_Shadow,
	MT_Menu,
	MT_GUI,
	MT_Server_Side,
	MT_Client_Side,
	MT_Game,
	};

	const char* manager_names[MT_Game] = {
	"server",
	"shadow",
	"menu",
	"gui",
	};

	Manager* getActiveManager() {
	auto* ctx = asGetActiveContext();
	if(!ctx)
	return 0;
	return &Manager::fromEngine(ctx->GetEngine());
	}

	ManagerType getManagerType(Manager* man) {
	if(man == devices.scripts.cache_server)
	return MT_Server;
	if(man == devices.scripts.cache_shadow)
	return MT_Shadow;
	if(man == devices.scripts.menu)
	return MT_Menu;
	return MT_GUI;
	}

	void throwException(const char* msg) {
	asGetActiveContext()->SetException(msg);
	}

	const char* callback_decl[SC_COUNT] = {
	"void preInit()",
	"void init()",
	"void postInit()",
	"void tick(double)",
	"void deinit()",
	"void preRender(double)",
	"void render(double)",
	"void draw()",
	"void onSettingsChanged()",
	"void onGameSettings(Message&)",
	"void syncInitial(Message&)",
	"bool sendPeriodic(Message&)",
	"void recvPeriodic(Message&)",
	"void save(SaveFile&)",
	"void load(SaveFile&)",
	"void saveIdentifiers(SaveFile&)",
	"void onGameStateChange()",
	"void preReload(Message&)",
	"void postReload(Message&)",
	};

	asIScriptFunction* Module::getFunction(const char* decl) {
	return module->GetFunctionByDecl(decl);
	}

	Module* Manager::getModule(const char* module) {
	auto it = modules.find(module);
	if(it != modules.end())
	return it->second;
	return 0;
	}

	asIScriptFunction* Manager::getFunction(int fid) {
	return engine->GetFunctionById(fid);
	}

	asIScriptFunction* Manager::getFunction(const char* module, const char* decl) {
	auto it = modules.find(module);
	if(it != modules.end())
	return it->second->getFunction(decl);
	return 0;
	}

	asIScriptFunction* Manager::getFunction(const std::string& def, const char* fin, const char* ret) {
	std::vector<std::string> args;
	split(def, args, "::");

	//Find the module the function is in
	scripts::Module* module = nullptr;
	if(args.size() == 1) {
	auto* ctx = asGetActiveContext();
	if(ctx) {
	auto* func = ctx->GetFunction();
	module = getModule(func->GetModuleName());
	}

	if(!module) {
	error("Error: Invalid script module.");
	return 0;
	}
	}
	else if(args.size() == 2) {
	module = getModule(args[0].c_str());

	if(!module) {
	error("Error: Invalid script module '%s'.", args[0].c_str());
	return 0;
	}
	}
	else {
	error("Error: Invalid script function reference '%s'.", def.c_str());
	return 0;
	}

	//Build declaration for function
	std::string decl = std::string(ret)+" "+args[args.size() - 1]+fin;

	//Find the function
	asIScriptFunction* func = module->getFunction(decl.c_str());
	if(!func) {
	error("Error: Unknown script function '%s'.", decl.c_str());
	return 0;
	}

	return func;
	}

	asITypeInfo* Module::getClass(const char* decl) {
	int id = module->GetTypeIdByDecl(decl);
	return manager->engine->GetTypeInfoById(id);
	}

	asITypeInfo* Manager::getClass(const char* module, const char* decl) {
	auto it = modules.find(module);
	if(it != modules.end())
	return it->second->getClass(decl);
	return 0;
	}

	Manager::Manager(asIJITCompiler* Jit) : prevGCSize(5000), pauseScripts(false), clearScripts(false) {
	//Create the engine
	engine = asCreateScriptEngine(ANGELSCRIPT_VERSION);

	if(Jit) {
	engine->SetEngineProperty(asEP_INCLUDE_JIT_INSTRUCTIONS, 1);
	engine->SetJITCompiler(Jit);
	}

	engine->SetEngineProperty(asEP_ALLOW_UNSAFE_REFERENCES, 1);
	engine->SetEngineProperty(asEP_USE_CHARACTER_LITERALS, 1);
	engine->SetEngineProperty(asEP_ALLOW_MULTILINE_STRINGS, 1);
	engine->SetEngineProperty(asEP_SCRIPT_SCANNER, 1);

	#ifndef DO_LINE_CALLBACK
	engine->SetEngineProperty(asEP_BUILD_WITHOUT_LINE_CUES, 1);
	#endif
	engine->SetEngineProperty(asEP_OPTIMIZE_BYTECODE, 1);

	engine->SetEngineProperty(asEP_AUTO_GARBAGE_COLLECT, 0);
	engine->SetEngineProperty(asEP_ALTER_SYNTAX_NAMED_ARGS, 1);

	engine->SetMessageCallback(asFUNCTION(printErrors), 0, asCALL_CDECL);

	engine->SetUserData(this, EDID_Manager);

	//Bind all addon types
	RegisterScriptAny(engine);
	RegisterScriptHandle(engine);
	RegisterScriptArray(engine, true);

	//HACK: Has to be here so stdstring doesn't instantiate array<string> yet
	scripts::RegisterEarlyNetworkBinds(engine);

	RegisterStdString(engine);
	RegisterStdStringUtils(engine);
	RegisterScriptDictionary(engine);
	RegisterScriptMap(engine);
	RegisterScriptMath(engine);
	}

	Manager& Manager::fromEngine(asIScriptEngine* engine) {
	return (Manager)engine->GetUserData(EDID_Manager);
	}

	void Manager::addIncludePath(std::string path) {
	includePaths.push_back(path);
	}

	void Manager::loadDirectory(const std::string& dirname) {
	std::vector<std::string> list;
	listDirectory(dirname, list, "*.as");

	foreach(it, list) {
	std::string& file = *it;
	load(file.substr(0, file.size() - 3), path_join(dirname, file));
	}
	}

	class CachedScript {
	bool loaded;
	threads::Mutex lock;
	std::string path;
	std::vector<std::string> lines;
	public:
	size_t size;

	CachedScript(const std::string& filename) : loaded(false), path(filename), size(0) {
	}

	const std::vector<std::string>& get() {
	threads::Lock l(lock);
	if(!loaded) {
	std::ifstream file(path.c_str(), std::ios_base::in);
	skipBOM(file);

	std::string line;
	while(file.good()) {
	std::getline(file, line);
	size += line.size() + 1;
	lines.push_back(line);
	}

	loaded = true;
	}
	return lines;
	}
	};

	threads::Mutex loadedScriptsLock;
	std::unordered_map<std::string, CachedScript*> cachedScripts;

	const std::vector<std::string>& loadScript(const std::string& filename, size_t& size) {
	auto path = getAbsolutePath(filename);
	CachedScript* script = nullptr;
	{
	threads::Lock l(loadedScriptsLock);
	auto i = cachedScripts.find(path);
	if(i != cachedScripts.end()) {
	script = i->second;
	}
	else {
	script = new CachedScript(path);
	cachedScripts[path] = script;
	}
	}
	assert(script);
	size = script->size;
	return script->get();
	}

	void clearCachedScripts() {
	threads::Lock l(loadedScriptsLock);
	for(auto i = cachedScripts.begin(), end = cachedScripts.end(); i != end; ++i)
	delete i->second;
	cachedScripts.clear();
	}

	void preloadScript(const std::string& filename) {
	size_t dummy;
	loadScript(filename, dummy);
	}

	threads::Mutex reg_compile_lock;

	void parseFile(Manager* man, File& fl, const std::string& filename, bool cacheFiles = true) {
	std::string path = getAbsolutePath(filename);
	size_t size;
	auto& lines = loadScript(path, size);

	fl.path = path;

	std::string& output = fl.contents;
	output.reserve(size);

	ManagerType curType = getManagerType(man);
	ManagerType selType = curType;

	reg_compile_lock.lock();
	reg_compile(pre_include, "^[ \t]#include[ \t]+\"(.+)\"[ \t]");
	reg_compile(pre_priority, "^[ \t]#priority[ \t]+(.+)[ \t]+(.+)[ \t]");
	reg_compile(pre_section, "^[ \t]#section[ \\t]+(.+)[ \t]");
	reg_compile(pre_import_from, "^[ \t]*from[ \t]+([A-Za-z0-9._-]+)[ \t]+import[ \t]+([^;]+);");
	reg_compile(pre_import_all, "^[ \t]*import[ \t]+(([A-Za-z0-9._-]\|, )+);");
	reg_compile(pre_export, "^[ \t]export[ \t]+(([A-Za-z0-9._-]\|, )+);");
	reg_compile_lock.release();
	reg_result match;


	for(auto iLine = lines.begin(), end = lines.end(); iLine != end; ++iLine) {
	const std::string& line = *iLine;

	auto lineStart = line.find_first_not_of(" \t");
	if(lineStart == std::string::npos) {
	output.append(1, '\n');
	continue;
	}

	bool mayBeDirective = line[lineStart] == '#';

	if(mayBeDirective && reg_match(line, match, pre_section)) {
	std::string type = trim(reg_str(line, match, 1));
	if(type == "server")
	selType = MT_Server;
	else if(type == "server-side")
	selType = MT_Server_Side;
	else if(type == "client-side")
	selType = MT_Client_Side;
	else if(type == "client")
	selType = MT_Client_Side;
	else if(type == "shadow")
	selType = MT_Shadow;
	else if(type == "gui")
	selType = MT_GUI;
	else if(type == "game")
	selType = MT_Game;
	else if(type == "menu")
	selType = MT_Menu;
	else if(type == "all")
	selType = curType;
	else if(type == "disable menu") {
	if(curType == MT_Menu)
	break;
	}
	else
	selType = MT_Client_Side;

	output += "\n";
	continue;
	}
	else {
	switch(selType) {
	case MT_Server:
	case MT_Shadow:
	case MT_GUI:
	case MT_Menu:
	if(selType != curType) {
	output += "\n";
	continue;
	}
	break;
	case MT_Game:
	if(curType != MT_GUI && curType != MT_Server && curType != MT_Shadow) {
	output += "\n";
	continue;
	}
	break;
	case MT_Client_Side:
	if(curType != MT_Menu && curType != MT_GUI) {
	output += "\n";
	continue;
	}
	break;
	case MT_Server_Side:
	if(curType != MT_Shadow && curType != MT_Server) {
	output += "\n";
	continue;
	}
	break;
	}
	}

	if(line[lineStart] == 'f' && reg_match(line, match, pre_import_from)) {
	std::string mod = reg_str(line, match, 1);
	std::string def = reg_str(line, match, 2);

	fl.imports.insert(ImportSpec(mod, def));
	output += "\n";
	continue;
	}

	if(line[lineStart] == 'i' && reg_match(line, match, pre_import_all)) {
	std::string mod = reg_str(line, match, 1);

	if(mod.find(",") != std::string::npos) {
	std::vector<std::string> modules;
	split(mod, modules, ",", true);

	foreach(m, modules)
	fl.imports.insert(ImportSpec(m, ""));
	}
	else {
	fl.imports.insert(ImportSpec(mod, "*"));
	}

	output += "\n";
	continue;
	}

	if(line[lineStart] == 'e' && reg_match(line, match, pre_export)) {
	std::string sym = reg_str(line, match, 1);
	auto* lst = &fl.exports;

	if(sym.compare(0, 5, "from ") == 0) {
	sym = sym.substr(5);
	lst = &fl.exportsFrom;
	}

	if(sym.find(",") != std::string::npos) {
	std::vector<std::string> symbols;
	split(sym, symbols, ",", true);

	foreach(s, symbols)
	lst->insert(*s);
	}
	else {
	lst->insert(sym);
	}

	output += "\n";
	continue;
	}

	if(mayBeDirective && reg_match(line, match, pre_priority)) {
	std::string type = reg_str(line, match, 1);
	std::string prior = reg_str(line, match, 2);
	int priority = toNumber<int>(prior);

	if(type == "init") {
	fl.priority_init = priority;
	}
	else if(type == "render") {
	fl.priority_render = priority;
	}
	else if(type == "draw") {
	fl.priority_draw = priority;
	}
	else if(type == "sync") {
	fl.priority_sync = priority;
	}
	else {
	error("ERROR: In File %s:\n Invalid priority directive '%s'.",
	filename.c_str(), type.c_str());
	}

	output += "\n";
	}
	else if(mayBeDirective && reg_match(line, match, pre_include)) {
	std::string filePart = reg_str(line, match, 1);

	//Check include relative to current file first
	std::string includeFile = getAbsolutePath(devices.mods.resolve(
	filePart, getDirname(filename)));

	//Load the included file contents
	if(!fileExists(includeFile)) {
	//Then check include paths
	bool exists = false;
	foreach(it, man->includePaths) {
	includeFile = getAbsolutePath(devices.mods.resolve(
	filePart, *it));

	if(fileExists(includeFile)) {
	exists = true;
	break;
	}
	}

	if(!exists) {
	error("ERROR: In File %s:\n Could not find file '%s' to include.",
	filename.c_str(), filePart.c_str());

	foreach(it, man->includePaths) {
	includeFile = getAbsolutePath(devices.mods.resolve(
	filePart, *it));
	error(" Tried %s", includeFile.c_str());
	}
	output += "\n";
	continue;
	}
	}

	//Don't include the same file multiple times
	if(fl.includes.find(includeFile) != fl.includes.end()) {
	output += "\n";
	continue;
	}

	if(!cacheFiles) {
	std::string path = getAbsolutePath(includeFile);
	File& incl = *new File();
	parseFile(man, incl, includeFile, false);

	fl.includes[path] = &incl;
	}
	else {
	man->load("", includeFile);

	//Update and flatten include file tree
	auto it = man->files.find(includeFile);
	if(it != man->files.end()) {
	fl.includes[it->first] = it->second;

	foreach(inc, it->second->includes)
	fl.includes[inc->first] = inc->second;
	}
	}

	output.append(1,'\n');
	}
	else {
	output += line;
	output.append(1,'\n');
	}
	}
	}

	void Manager::load(const std::string& modulename, const std::string& filename) {
	std::string path = getAbsolutePath(filename);

	auto ex = files.find(path);
	if(ex != files.end()) {
	//If a file was included before, give it its
	//proper module name afterwards
	if(ex->second->module.empty())
	ex->second->module = modulename;
	return;
	}

	File& fl = *new File();
	fl.module = modulename;
	parseFile(this, fl, filename, true);

	files[path] = &fl;
	}

	void importSymbol(Module& mod, Module& otherMod, const std::string& symbol) {
	auto* self = (asCModule*)mod.module;
	auto* other = (asCModule*)otherMod.module;

	//Check if it's a type
	auto* type = other->GetType(symbol.c_str(), other->defaultNamespace);
	if(type) {
	self->ImportType(type);
	return;
	}

	//Check if it's a global
	int glob = other->GetGlobalVarIndexByName(symbol.c_str());
	if(glob != asNO_GLOBAL_VAR) {
	self->ImportGlobalVariable(other, (asUINT)glob);
	return;
	}

	glob = other->importedGlobals.GetFirstIndex(self->defaultNamespace, symbol.c_str());
	if(glob != -1) {
	mod.globalExports.push_back(other->scriptGlobals.GetSize() + (unsigned)glob);
	return;
	}

	//Check if it's a function
	bool foundFunction = false;
	{
	const asCArray<unsigned int>& idxs = other->globalFunctions.GetIndexes(other->defaultNamespace, symbol.c_str());
	for(unsigned i = 0; i < idxs.GetLength(); ++i) {
	asCScriptFunction* func = other->globalFunctions.Get(idxs[i]);
	if(func) {
	self->ImportGlobalFunction(func);
	foundFunction = true;
	}
	}
	}
	{
	const asCArray<unsigned int>& idxs = other->importedGlobalFunctions.GetIndexes(other->defaultNamespace, symbol.c_str());
	for(unsigned i = 0; i < idxs.GetLength(); ++i) {
	asCScriptFunction* func = other->importedGlobalFunctions.Get(idxs[i]);
	if(func) {
	self->ImportGlobalFunction(func);
	foundFunction = true;
	}
	}
	}

	if(!foundFunction) {
	//Check if it's a global accessor
	auto* getAcc = (asCScriptFunction*)other->GetFunctionByName((std::string("get_")+symbol).c_str());
	auto* setAcc = (asCScriptFunction*)other->GetFunctionByName((std::string("set_")+symbol).c_str());

	if(getAcc \|\| setAcc) {
	if(getAcc)
	self->ImportGlobalFunction(getAcc);
	if(setAcc)
	self->ImportGlobalFunction(setAcc);
	}
	else {
	error("ERROR: %s: Cannot find '%s' to import from '%s'.",
	mod.name.c_str(), symbol.c_str(), otherMod.name.c_str());
	}
	}
	}

	void buildModule(Manager* man, File& fl, Module& mod) {
	//Create the module in the script engine
	mod.manager = man;
	mod.file = &fl;
	mod.module = man->engine->GetModule(mod.name.c_str(), asGM_ALWAYS_CREATE);

	//Add the script sections and imports
	mod.module->AddScriptSection(fl.path.c_str(),
	fl.contents.c_str(), fl.contents.size());
	mod.imports = fl.imports;
	mod.exports = fl.exports;
	mod.exportsFrom = fl.exportsFrom;

	foreach(inc, fl.includes) {
	mod.module->AddScriptSection(inc->second->path.c_str(),
	inc->second->contents.c_str(), inc->second->contents.size());

	foreach(s, inc->second->imports)
	mod.imports.insert(*s);
	foreach(s, inc->second->exports)
	mod.exports.insert(*s);
	foreach(s, inc->second->exportsFrom)
	mod.exportsFrom.insert(*s);

	fl.priority_init = std::max(fl.priority_init, inc->second->priority_init);
	fl.priority_render = std::max(fl.priority_render, inc->second->priority_render);
	fl.priority_draw = std::max(fl.priority_draw, inc->second->priority_draw);
	fl.priority_tick = std::max(fl.priority_init, inc->second->priority_tick);
	fl.priority_sync = std::max(fl.priority_init, inc->second->priority_sync);
	}
	}

	bool compileModule(Manager* man, Module& mod) {
	if(mod.compiled)
	return true;
	mod.compiled = true;
	mod.compiling = true;

	//Prepare all dependencies
	bool foundImports = true;
	foreach(it, mod.imports) {
	auto f = man->modules.find(it->first);
	if(f == man->modules.end()) {
	error("ERROR: %s: Cannot find module '%s' to import from.", mod.name.c_str(), it->first.c_str());
	continue;
	}

	Module& impMod = *f->second;
	mod.dependencies.insert(&impMod);

	//Build dependent module
	if(!impMod.compiled) {
	impMod.compiledBy = mod.name;
	compileModule(man, impMod);
	}
	if(impMod.module == nullptr) {
	//Silently fail here, we already reported errors before
	foundImports = false;
	continue;
	}

	//Inject imports
	auto* self = (asCModule*)mod.module;
	auto* other = (asCModule*)impMod.module;

	//Check cyclic imports
	if(impMod.compiling) {
	error("ERROR: %s: Cannot import from module '%s', circular import.", mod.name.c_str(), it->first.c_str());

	Module* cur = &mod;
	std::string prefix;
	while(cur) {
	error("%s^-- %s", prefix.c_str(), cur->name.c_str());
	prefix += " ";

	if(!cur->compiledBy.empty()) {
	auto it = man->modules.find(cur->compiledBy);
	if(it != man->modules.end()) {
	cur = it->second;
	}
	else {
	cur = nullptr;
	error("??? %s\n", cur->compiledBy.c_str());
	}
	}
	else
	cur = nullptr;
	}
	continue;
	}

	if(it->second == "*") {
	//Check if the module defined any exports
	if(!impMod.exports.empty()) {
	foreach(tp, impMod.typeExports)
	self->ImportType(*tp);
	foreach(fun, impMod.funcExports)
	self->ImportGlobalFunction(*fun);
	foreach(var, impMod.globalExports)
	self->ImportGlobalVariable(impMod.module, *var);
	}
	else {
	//Import types
	for(unsigned i = 0, cnt = other->classTypes.GetLength(); i < cnt; ++i)
	self->ImportType(other->classTypes[i]);

	for(unsigned i = 0, cnt = other->enumTypes.GetLength(); i < cnt; ++i)
	self->ImportType(other->enumTypes[i]);

	for(unsigned i = 0, cnt = other->typeDefs.GetLength(); i < cnt; ++i)
	self->ImportType(other->typeDefs[i]);

	for(unsigned i = 0, cnt = other->funcDefs.GetLength(); i < cnt; ++i)
	self->ImportType(other->funcDefs[i]);

	//This is recursive: also import things that were imported
	for(unsigned i = 0, cnt = other->importedClassTypes.GetLength(); i < cnt; ++i)
	self->ImportType(other->importedClassTypes[i]);

	for(unsigned i = 0, cnt = other->importedEnumTypes.GetLength(); i < cnt; ++i)
	self->ImportType(other->importedEnumTypes[i]);

	for(unsigned i = 0, cnt = other->importedTypeDefs.GetLength(); i < cnt; ++i)
	self->ImportType(other->importedTypeDefs[i]);

	for(unsigned i = 0, cnt = other->importedFuncDefs.GetLength(); i < cnt; ++i)
	self->ImportType(other->importedFuncDefs[i]);

	//Import global functions
	for(unsigned i = 0, cnt = other->GetFunctionCount(); i < cnt; ++i) {
	auto* func = (asCScriptFunction*)other->GetFunctionByIndex(i);

	//Don't star-import any callback global functions
	bool isCallback = false;
	for(int i = 0; i < SC_COUNT; ++i) {
	if(func == impMod.callbacks[i]) {
	isCallback = true;
	break;
	}
	}

	if(isCallback)
	continue;

	//Inject into the new module
	self->ImportGlobalFunction(func);
	}

	for(unsigned i = 0, cnt = other->importedGlobalFunctions.GetSize(); i < cnt; ++i) {
	auto* func = (asCScriptFunction*)other->importedGlobalFunctions.Get(i);
	self->ImportGlobalFunction(func);
	}

	//Import global values
	for(unsigned i = 0, cnt = other->scriptGlobals.GetSize(); i < cnt; ++i)
	self->ImportGlobalVariable(other, i);
	for(unsigned i = 0, cnt = other->importedGlobals.GetSize(); i < cnt; ++i)
	self->ImportGlobalVariable(other, i+other->scriptGlobals.GetSize());
	}
	}
	else {
	std::vector<std::string> declarations;
	split(it->second, declarations, ',', true);

	foreach(imp, declarations)
	importSymbol(mod, impMod, *imp);
	}
	}

	//Build the module
	mod.compiling = false;
	int code;
	if(foundImports) {
	code = mod.module->Build();
	if(code != asSUCCESS) {
	error("ERROR: Failed to build module '%s' in manager '%s' (code %d).",
	mod.name.c_str(), manager_names[getManagerType(man)], code);
	mod.module = nullptr;
	}
	}
	else {
	mod.module = nullptr;
	}

	//Cache exports
	if(mod.module) {
	for(int i = 0; i < SC_COUNT; ++i)
	mod.callbacks[i] = mod.getFunction(callback_decl[i]);

	foreach(exp, mod.exports) {
	auto* self = (asCModule*)mod.module;
	const std::string& symbol = *exp;

	//Check if it's a type
	auto* type = self->GetType(symbol.c_str(), self->defaultNamespace);
	if(type) {
	mod.typeExports.push_back(type);
	continue;
	}

	//Check if it's a global
	int glob = self->GetGlobalVarIndexByName(symbol.c_str());
	if(glob != asNO_GLOBAL_VAR) {
	mod.globalExports.push_back((unsigned)glob);
	continue;
	}

	glob = self->importedGlobals.GetFirstIndex(self->defaultNamespace, symbol.c_str());
	if(glob != -1) {
	mod.globalExports.push_back(self->scriptGlobals.GetSize() + (unsigned)glob);
	continue;
	}

	//Check if it's a function
	bool foundExports = false;
	{
	const asCArray<unsigned int>& idxs = self->globalFunctions.GetIndexes(self->defaultNamespace, symbol.c_str());
	for(unsigned i = 0; i < idxs.GetLength(); ++i) {
	asCScriptFunction* func = self->globalFunctions.Get(idxs[i]);
	if(func) {
	mod.funcExports.push_back(func);
	foundExports = true;
	}
	}
	}

	{
	const asCArray<unsigned int>& idxs = self->globalFunctions.GetIndexes(self->defaultNamespace, symbol.c_str());
	for(unsigned i = 0; i < idxs.GetLength(); ++i) {
	asCScriptFunction* func = self->globalFunctions.Get(idxs[i]);
	if(func) {
	mod.funcExports.push_back(func);
	foundExports = true;
	}
	}
	}

	if(!foundExports) {
	//Check if it's a global accessor
	auto* getAcc = (asCScriptFunction*)self->GetFunctionByName((std::string("get_")+symbol).c_str());
	auto* setAcc = (asCScriptFunction*)self->GetFunctionByName((std::string("set_")+symbol).c_str());

	if(getAcc \|\| setAcc) {
	if(getAcc)
	mod.funcExports.push_back(getAcc);
	if(setAcc)
	mod.funcExports.push_back(setAcc);
	}
	else {
	error("ERROR: %s: Cannot find '%s' to export.",
	mod.name.c_str(), symbol.c_str());
	}
	}
	}

	foreach(exp, mod.exportsFrom) {
	auto f = man->modules.find(*exp);
	if(f == man->modules.end()) {
	error("ERROR: %s: Cannot find module '%s' to export from.",
	mod.name.c_str(), exp->c_str());
	}

	foreach(it, f->second->typeExports)
	mod.typeExports.push_back(*it);
	foreach(it, f->second->funcExports)
	mod.funcExports.push_back(*it);
	foreach(it, f->second->globalExports)
	mod.globalExports.push_back(*it);
	}
	}
	else {
	for(int i = 0; i < SC_COUNT; ++i)
	mod.callbacks[i] = nullptr;
	}

	return mod.module != nullptr;
	}

	void bindImports(Manager* man, Module& mod) {
	auto* tMod = mod.module;
	if(tMod == nullptr)
	return;
	unsigned fcnt = tMod->GetImportedFunctionCount();
	for(unsigned i = 0; i < fcnt; ++i) {
	const char* decl = tMod->GetImportedFunctionDeclaration(i);
	const char* sourcemod = tMod->GetImportedFunctionSourceModule(i);

	auto it = man->modules.find(sourcemod);
	if(it == man->modules.end()) {
	error("ERROR: '%s': Cannot import function '%s': module '%s' does not exist.",
	tMod->GetName(), decl, sourcemod);
	continue;
	}

	auto* sMod = it->second->module;
	if(sMod == nullptr)
	continue;
	asIScriptFunction* func = sMod->GetFunctionByDecl(decl);

	if(func == 0) {
	error("ERROR: '%s': Cannot import function '%s' from module '%s': function does not exist.",
	tMod->GetName(), decl, sourcemod);
	continue;
	}

	tMod->BindImportedFunction(i, func);
	}
	}

	void sortPriorities(Manager* man) {
	man->priority_init.clear();
	man->priority_render.clear();
	man->priority_draw.clear();
	man->priority_tick.clear();
	man->priority_sync.clear();

	for(auto it = man->modules.begin(); it != man->modules.end(); ++it) {
	Module& mod = *it->second;
	File& fl = *mod.file;

	if(mod.callbacks[SC_init] \|\| mod.callbacks[SC_preInit] \|\| mod.callbacks[SC_postInit])
	man->priority_init.insert(std::pair<int,Module*>(-fl.priority_init, &mod));

	if(mod.callbacks[SC_render])
	man->priority_render.insert(std::pair<int,Module*>(-fl.priority_render, &mod));

	if(mod.callbacks[SC_draw])
	man->priority_draw.insert(std::pair<int,Module*>(-fl.priority_draw, &mod));

	if(mod.callbacks[SC_tick])
	man->priority_tick.insert(std::pair<int,Module*>(-fl.priority_tick, &mod));

	if(mod.callbacks[SC_sync_initial])
	man->priority_sync.insert(std::pair<int,Module*>(-fl.priority_sync, &mod));
	}
	}

	void Manager::compile(const std::string& cache_root, unsigned cache_version) {
	//Generate all the modules
	for(auto it = files.begin(); it != files.end(); ++it) {
	File& fl = *it->second;

	//Skip over empty module names, they're included files
	if(fl.path.empty() \|\| fl.module.empty())
	continue;

	//Find unused module name
	std::string modname = fl.module;
	int i = 2;
	while(modules.find(modname) != modules.end()) {
	modname = fl.module + toString(i);
	++i;
	}

	//Display a warning when we have duplicate module names
	if(i != 2) {
	warn("WARNING: File '%s' has duplicate module name '%s'."
	" Using temporary module name '%s' instead.", fl.path.c_str(),
	fl.module.c_str(), modname.c_str());
	}

	//Create the module
	Module& mod = *new Module();
	mod.name = modname;
	buildModule(this, fl, mod);
	modules[modname] = &mod;
	}

	//Compile the modules
	for(auto it = modules.begin(); it != modules.end(); ++it) {
	Module& mod = *it->second;

	//Build the module dependency tree
	compileModule(this, mod);
	}

	//Bind all imported functions
	for(auto mod = modules.begin(); mod != modules.end(); ++mod) {
	bindImports(this, *mod->second);
	}

	//Erase modules that didn't compile succesfully
	for(auto it = modules.begin(); it != modules.end();) {
	if(it->second->module == nullptr)
	it = modules.erase(it);
	else
	++it;
	}

	//Sort by priority
	sortPriorities(this);
	}

	void reloadModule(Manager* man, Module& curMod) {
	//Load the file
	std::string filename = curMod.file->path;
	std::string module = curMod.name;

	File& fl = *new File();
	fl.module = module+"__reload";
	parseFile(man, fl, filename, false);

	//Build the module
	Module& mod = *new Module();
	mod.name = module+"__reload";

	buildModule(man, fl, mod);

	print("Reloading module %s", module.c_str());

	if(!compileModule(man, mod)) {
	man->engine->DiscardModule(mod.name.c_str());
	delete &fl;
	delete &mod;
	console.show();
	return;
	}

	net::Message msg;

	//Call pre-reload
	if(curMod.callbacks[SC_preReload]) {
	Call cl = curMod.call(SC_preReload);
	cl.push(&msg);
	cl.call();
	}

	//Replace successful
	Module& oldMod = *man->modules[module];
	((asCModule*)oldMod.module)->name = (module+"__old").c_str();
	((asCModule*)mod.module)->name = module.c_str();
	fl.module = module;
	mod.name = module;

	//Overwrite in manager for ticks
	man->files[fl.path] = &fl;
	man->modules[module] = &mod;

	//Bind imports for this module
	bindImports(man, mod);

	//Call post-reload
	if(mod.callbacks[SC_postReload]) {
	Call cl = mod.call(SC_postReload);
	cl.push(&msg);
	cl.call();
	}
	else if(mod.callbacks[SC_init]) {
	Call cl = mod.call(SC_init);
	cl.call();
	}

	//Special stuff
	if(module == "input")
	bindInputScripts(GS_Game, devices.scripts.client);
	}

	void renderRebuildSet(Manager* man, Module& curMod, std::unordered_set<Module*>& totalSet) {
	//Queue up dependencies
	for(auto it = man->modules.begin(); it != man->modules.end(); ++it) {
	Module* mod = it->second;
	if(mod->dependencies.find(&curMod) == mod->dependencies.end())
	continue;
	totalSet.insert(mod);
	renderRebuildSet(man, *mod, totalSet);
	}
	}

	void visitRebuildSet(Manager* man, Module& mod, std::unordered_set<Module>& totalSet, std::vector<Module>& queue) {
	if(totalSet.find(&mod) == totalSet.end())
	return;

	totalSet.erase(&mod);
	foreach(it, mod.dependencies)
	visitRebuildSet(man, **it, totalSet, queue);

	queue.push_back(&mod);
	}

	void Manager::reload(const std::string& module) {
	//Clear cached stuff
	clearCachedScripts();

	auto it = modules.find(module);
	if(it == modules.end())
	return;

	Module& curMod = *it->second;

	std::unordered_set<Module*> totalSet;
	totalSet.insert(&curMod);

	renderRebuildSet(this, curMod, totalSet);

	std::vector<Module*> queue;
	while(!totalSet.empty()) {
	Module* mod = *totalSet.begin();
	visitRebuildSet(this, *mod, totalSet, queue);
	}

	foreach(it, queue) {
	reloadModule(this, **it);
	}

	//Rebind all explicit imports
	for(auto mod = modules.begin(); mod != modules.end(); ++mod)
	bindImports(this, *mod->second);

	//Resort hook priorities
	sortPriorities(this);
	}

	void Manager::init() {
	foreach(it, priority_init) {
	Module& mod = *it->second;
	Call cl = mod.call(SC_preInit);
	cl.call();
	}

	foreach(it, priority_init) {
	Module& mod = *it->second;
	Call cl = mod.call(SC_init);
	cl.call();
	}

	foreach(it, priority_init) {
	Module& mod = *it->second;
	Call cl = mod.call(SC_postInit);
	cl.call();
	}
	}

	void Manager::deinit() {
	foreach(it, modules) {
	Module& mod = *it->second;
	Call cl = mod.call(SC_deinit);
	cl.call();
	}
	}

	void Manager::tick(double time) {
	foreach(it, priority_tick) {
	Module& mod = *it->second;
	if(mod.tickFails < SCRIPT_MAX_TICK_FAILS) {
	Call cl = mod.call(SC_tick);
	cl.push(time);
	#ifdef PROFILE_SCRIPT_CALLBACKS
	double startTime = devices.driver->getAccurateTime();
	#endif
	if(!cl.call()) {
	mod.tickFails++;

	if(mod.tickFails == SCRIPT_MAX_TICK_FAILS)
	error("Module '%s' failed its tick too many times, disabling.",
	mod.module->GetName());
	}

	#ifdef PROFILE_SCRIPT_CALLBACKS
	double endTime = devices.driver->getAccurateTime();
	mod.tickTime = endTime - startTime;
	#endif
	}
	}
	}

	void Manager::draw() {
	foreach(it, priority_draw) {
	Module& mod = *it->second;
	if(mod.drawFails < SCRIPT_MAX_DRAW_FAILS) {
	Call cl = mod.call(SC_draw);
	#ifdef PROFILE_SCRIPT_CALLBACKS
	double startTime = devices.driver->getAccurateTime();
	#endif
	if(!cl.call()) {
	mod.drawFails++;

	if(mod.drawFails == SCRIPT_MAX_DRAW_FAILS)
	error("Module '%s' failed its draw too many times, disabling.",
	mod.module->GetName());
	}

	#ifdef PROFILE_SCRIPT_CALLBACKS
	double endTime = devices.driver->getAccurateTime();
	mod.drawTime = endTime - startTime;
	#endif
	}
	}
	}

	void Manager::render(double frameTime) {
	foreach(it, priority_render) {
	Module& mod = *it->second;
	if(mod.renderFails < SCRIPT_MAX_RENDER_FAILS) {
	Call cl = mod.call(SC_render);
	cl.push(frameTime);
	#ifdef PROFILE_SCRIPT_CALLBACKS
	double startTime = devices.driver->getAccurateTime();
	#endif
	if(!cl.call()) {
	mod.renderFails++;

	if(mod.renderFails == SCRIPT_MAX_RENDER_FAILS)
	error("Module '%s' failed its render too many times, disabling.",
	mod.module->GetName());
	}

	#ifdef PROFILE_SCRIPT_CALLBACKS
	double endTime = devices.driver->getAccurateTime();
	mod.renderTime = endTime - startTime;
	#endif
	}
	}
	}

	#ifdef PROFILE_SCRIPT_CALLBACKS
	void Manager::printProfile() {
	foreach(it, modules) {
	Module& mod = *it->second;
	if(mod.tickTime > 0 \|\| mod.drawTime > 0 \|\| mod.renderTime > 0) {
	print(" %s -- tick: %.3gms -- draw: %.3gms -- render: %.3gms",
	mod.name.c_str(), mod.tickTime * 1000.0,
	mod.drawTime * 1000.0, mod.renderTime * 1000.0);
	}
	}
	}
	#endif

	void Manager::preRender(double frameTime) {
	foreach(it, modules) {
	Module& mod = *it->second;
	if(mod.callbacks[SC_preRender]) {
	Call cl = mod.call(SC_preRender);
	cl.push(frameTime);
	cl.call();
	}
	}
	}

	void Manager::save(SaveFile& file) {
	foreach(it, modules) {
	Module& mod = *it->second;

	SaveMessage msg(file);

	Call cl = mod.call(SC_save);
	cl.push(&msg);
	if(cl.call() && msg.size() > 0) {
	file << mod.name;

	char* pData; net::msize_t size;
	msg.getAsPacket(pData, size);

	file << size;
	file.write(pData, size);
	}
	}

	file << "";
	}

	void Manager::load(SaveFile& file) {
	while(true) {
	std::string moduleName;
	file >> moduleName;
	if(moduleName.empty())
	return;

	SaveMessage msg(file);
	net::msize_t size = file;
	if(size > 0) {
	char* buffer = (char*)malloc(size);
	file.read(buffer, size);
	msg.setPacket(buffer, size);
	free(buffer);
	}

	auto iter = modules.find(moduleName);
	if(iter != modules.end()) {
	Module& mod = *iter->second;

	if(mod.callbacks[SC_load]) {
	Call cl = mod.call(SC_load);
	cl.push(&msg);
	cl.call();
	}
	}
	}
	}

	void Manager::saveIdentifiers(SaveFile& file) {
	SaveMessage msg(file);

	foreach(it, modules) {
	Module& mod = *it->second;

	Call cl = mod.call(SC_saveIdentifiers);
	cl.push(&msg);
	cl.call();
	}
	}

	void Manager::stateChange() {
	foreach(it, modules) {
	Module& mod = *it->second;

	Call cl = mod.call(SC_stateChange);
	if(cl.valid())
	cl.call();
	}
	}

	#ifdef TRACE_GC_LOCK
	void Manager::markGCImpossible() {
	if(gcPossible == nullptr)
	gcPossible = (bool*)malloc(sizeof(bool));
	*gcPossible = false;
	}

	void Manager::markGCPossible() {
	if(gcPossible == nullptr)
	gcPossible = (bool*)malloc(sizeof(bool));
	*gcPossible = true;
	}
	#endif

	int Manager::garbageCollect(bool full) {
	asUINT size, newObjects, detected;
	engine->GetGCStatistics(&size, 0, &detected, &newObjects, 0);

	if(full/* \|\| size > prevGCSize + (prevGCSize / 2)*/) {
	engine->GarbageCollect(asGC_FULL_CYCLE);
	engine->GetGCStatistics(&prevGCSize, 0, 0, 0, 0);
	return 2;
	}
	else if(newObjects > 500) {
	asUINT runs = (asUINT)(log((double)(newObjects + detected + 2)) / log(2.0)) * 10;

	for(asUINT i = 0; i < runs; ++i)
	if(engine->GarbageCollect() == 0)
	break;
	return 1;
	}
	else {
	asUINT runs = (asUINT)(log((double)(newObjects + detected + 2)) / log(2.0)) * 50;

	for(asUINT i = 0; i < runs; ++i)
	if(engine->GarbageCollect(asGC_ONE_STEP) == 0)
	break;
	return 0;
	}
	}

	Call Manager::call(int funcID) {
	if(funcID <= 0)
	return Call();
	return call(engine->GetFunctionById(funcID));
	}

	Call Manager::call(asIScriptFunction* func) {
	if(func == 0)
	return Call();

	asIScriptContext* ctx = asGetActiveContext();
	bool nested;

	if(ctx && ctx->GetEngine() == engine) {
	nested = true;
	}
	else {
	ctx = fetchContext(engine);
	nested = ctx->GetState() == asEXECUTION_ACTIVE;
	}

	if(nested) {
	ctx->PushState();
	int status = ctx->Prepare(func);
	if(status != asSUCCESS) {
	ctx->PopState();
	ctx = 0;
	}
	}
	else {
	ctx->Prepare(func);
	}

	return Call(this, ctx, nested);
	}

	Call Manager::call(const char* module, const char* decl) {
	return call(getFunction(module, decl));
	}

	MultiCall::MultiCall() {}

	MultiCall Manager::call(ScriptCallback cb) {
	MultiCall calls;

	for(auto it = modules.begin(), end = modules.end(); it != end; ++it) {
	Module& mod = *it->second;
	if(mod.callbacks[cb] != nullptr)
	calls.calls.push_back(mod.call(cb));
	}

	return calls;
	}

	Call Module::call(ScriptCallback cb) {
	asIScriptFunction* func = callbacks[cb];
	if(func == nullptr)
	return Call();

	asIScriptEngine* engine = module->GetEngine();

	auto* ctx = fetchContext(engine);
	ctx->Prepare(func);
	return Call(manager, ctx);
	}

	void Manager::clear() {
	for(auto it = modules.begin(), end = modules.end(); it != end; ++it) {
	if(engine->DiscardModule(it->first.c_str()) != asSUCCESS)
	error("Failed to discard module '%s'", it->first.c_str());
	}

	foreach(it, modules)
	delete it->second;
	modules.clear();

	foreach(it, files)
	delete it->second;
	files.clear();
	}

	Manager::~Manager() {
	clear();
	delete engine->GetJITCompiler();
	}

	void Manager::clearScriptThreads() {
	clearScripts = true;
	pauseScripts = false;
	while(scriptThreadsExistent != 0)
	threads::idle();
	clearScripts = false;
	}

	void Manager::scriptThreadCreate() {
	++scriptThreadsExistent;
	}

	void Manager::scriptThreadDestroy() {
	--scriptThreadsExistent;
	}

	void Manager::pauseScriptThreads() {
	pauseScripts = true;
	while(scriptThreadsActive != 0)
	threads::idle();
	}

	void Manager::resumeScriptThreads() {
	pauseScripts = false;
	}

	bool Manager::scriptThreadStart() {
	retry:
	while(pauseScripts && !clearScripts)
	threads::idle();
	if(clearScripts)
	return false;

	++scriptThreadsActive;
	if(pauseScripts) {
	--scriptThreadsActive;
	goto retry;
	}
	return true;
	}

	void Manager::scriptThreadEnd() {
	--scriptThreadsActive;
	}

	Call::Call()
	: manager(0), ctx(0), arg(0), nested(false) {
	}

	Call::Call(Manager* man, asIScriptContext* Ctx, bool Nested)
	: manager(man), ctx(Ctx), arg(0), nested(Nested) {
	}

	Call::~Call() {
	if(ctx) {
	if(nested)
	ctx->PopState();
	}
	}

	void Call::setObject(void* obj) {
	if(ctx)
	ctx->SetObject((void*)obj);
	}

	void* Call::getReturnObject() {
	if(!ctx)
	return 0;
	return ctx->GetReturnObject();
	}

	void Call::push(int value) {
	if(ctx)
	ctx->SetArgDWord(arg++, value);
	}

	void Call::push(long long value) {
	if(ctx)
	ctx->SetArgQWord(arg++, value);
	}

	void Call::push(unsigned value) {
	if(ctx)
	ctx->SetArgDWord(arg++, value);
	}

	void Call::push(float value) {
	if(ctx)
	ctx->SetArgFloat(arg++, value);
	}

	void Call::push(double value) {
	if(ctx)
	ctx->SetArgDouble(arg++, value);
	}

	void Call::push(bool value) {
	if(ctx)
	ctx->SetArgByte(arg++, value);
	}

	bool Call::call() {
	if(!ctx) {
	return false;
	}
	status = ctx->Execute();
	return status == asSUCCESS;
	}

	bool Call::call(unsigned& value) {
	if (!call()) {
	value = 0;
	return false;
	}

	value = ctx->GetReturnDWord();
	return true;
	}

	bool Call::call(int& value) {
	if (!call()) {
	value = 0;
	return false;
	}

	value = ctx->GetReturnDWord();
	return true;
	}

	bool Call::call(long long& value) {
	if (!call()) {
	value = 0;
	return false;
	}

	value = ctx->GetReturnQWord();
	return true;
	}

	bool Call::call(float& value) {
	if (!call()) {
	value = 0;
	return false;
	}

	value = ctx->GetReturnFloat();
	return true;
	}

	bool Call::call(double& value) {
	if (!call()) {
	value = 0;
	return false;
	}

	value = ctx->GetReturnDouble();
	return true;
	}

	bool Call::call(bool& value) {
	if (!call()) {
	value = 0;
	return false;
	}

	value = ctx->GetReturnByte() != 0;
	return true;
	}

	void MultiCall::setObject(void* obj) {
	foreach(call, calls)
	call->setObject(obj);
	}

	void MultiCall::push(int value) {
	foreach(call, calls)
	call->push(value);
	}

	void MultiCall::push(float value) {
	foreach(call, calls)
	call->push(value);
	}

	void MultiCall::push(double value) {
	foreach(call, calls)
	call->push(value);
	}

	void MultiCall::push(bool value) {
	foreach(call, calls)
	call->push(value);
	}

	void MultiCall::push(void* value) {
	foreach(call, calls)
	call->push(value);
	}

	void MultiCall::call() {
	foreach(call, calls)
	call->call();
	}

	struct ReadBytecode : public asIBinaryStream {
	std::ifstream& stream;

	ReadBytecode(std::ifstream& is)
	: stream(is) {
	}

	void Read(void* ptr, asUINT size) {
	if(stream.eof())
	memset(ptr, 0, size);
	else
	stream.read((char*)ptr, size);
	}

	void Write(const void* ptr, asUINT size) {
	}
	};

	#ifndef DISABLE_SCRIPT_CACHE
	static bool loadCached(Module& mod, const File& fl, const std::string& cache_file, unsigned cache_version) {
	//Make sure the file exists
	if(!fileExists(cache_file))
	return false;

	//Make sure the cache is new enough
	time_t cache_time = getModifiedTime(cache_file);

	if(getModifiedTime(fl.path) > cache_time)
	return false;

	foreach(inc, fl.includes)
	if(getModifiedTime(inc->second->path) > cache_time)
	return false;

	//Open the file
	std::ifstream stream(cache_file, std::ios::in \| std::ios::binary);

	//Read build version from cache
	unsigned file_version;
	stream.read((char*)&file_version, sizeof(unsigned));

	//Needs to be the same version to load the cache
	if(cache_version != file_version) {
	stream.close();
	return false;
	}

	//Write the bytecode
	printf("Load %s from cache\n", cache_file.c_str());
	ReadBytecode read(stream);

	int code = mod.module->LoadByteCode(&read);
	if(code != asSUCCESS) {
	//Discard the module and recreate it, we're in
	//an inconsistent state otherwise
	asIScriptEngine* eng = mod.module->GetEngine();
	eng->DiscardModule(mod.module->GetName());
	mod.module = eng->GetModule(mod.name.c_str(), asGM_ALWAYS_CREATE);

	//Warn the user
	warn("WARNING: Failed to load bytecode cache for"
	" module '%s' (code %d).", mod.name.c_str(), code);
	stream.close();
	return false;
	}

	//Close the file
	stream.close();
	return true;
	}

	struct WriteBytecode : public asIBinaryStream {
	std::ofstream& stream;

	WriteBytecode(std::ofstream& os)
	: stream(os) {
	}

	void Read(void* ptr, asUINT size) {
	}

	void Write(const void* ptr, asUINT size) {
	stream.write((const char*)ptr, size);
	}
	};


	static void saveCached(Module& mod, const std::string& cache_file, unsigned cache_version) {
	//Open the file
	std::ofstream stream(cache_file, std::ios::out \| std::ios::binary);

	//Write build version to cache
	stream.write((const char*)&cache_version, sizeof(unsigned));

	//Write the bytecode
	printf("Save %s to cache\n", cache_file.c_str());
	WriteBytecode write(stream);
	int code = mod.module->SaveByteCode(&write);
	if(code < 0)
	error("Failed to save bytecode for '%s'", mod.name.c_str());

	//Close the file
	stream.close();
	}
	#endif

	};

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