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	diff --git a/util/file-system.cpp b/util/file-system.cpp
	index 367a8c39..6f9455fd 100644
	--- a/util/file-system.cpp
	+++ b/util/file-system.cpp
	@@ -1,675 +1,679 @@
	#ifdef USE_ALLEGRO
	#include <allegro.h>

	/* FIXME: replace with <winalleg.h> */
	#ifdef _WIN32
	#define BITMAP dummyBITMAP
	#include <windows.h>
	#undef BITMAP
	#endif

	#endif
	#include <algorithm>
	#include "funcs.h"
	#include "file-system.h"
	#include "thread.h"
	#include "system.h"
	#include "globals.h"
	#include <dirent.h>
	#include <sstream>
	#include <exception>
	#include <string>
	#include <fstream>
	#include <ostream>

	#ifndef USE_ALLEGRO
	/* some sfl symbols conflict with allegro */
	#include "sfl/sfl.h"
	#include "sfl/sfldir.h"
	#endif

	#ifdef _WIN32
	#define _WIN32_IE 0x400
	#include <shlobj.h>
	#endif

	using namespace std;

	/* some filesystem access can only be done by one thread at a time. specifically, sfl
	* has its own allocator that is meant to be used in a single-threaded manner.
	* rather than try to add locks to sfl we just wrap all sfl calls with a lock.
	*
	* initialize() must be called to initialize this lock
	*/
	Util::Thread::Lock lock;

	namespace Filesystem{

	Exception::Exception(const std::string & where, int line, const std::string & file):
	Exc::Base(where, line),
	reason(file){
	}

	Exception::Exception(const std::string & where, int line, const Exc::Base & nested, const std::string & file):
	Exc::Base(where, line, nested),
	reason(file){
	}

	Exception::Exception(const Exception & copy):
	Exc::Base(copy),
	reason(copy.reason){
	}

	Exception::~Exception() throw (){
	}

	const std::string Exception::getReason() const {
	return reason;
	}

	NotFound::NotFound(const std::string & where, int line, const std::string & file):
	Exception(where, line, file + string(" was not found")){
	}

	NotFound::NotFound(const std::string & where, int line, const Exc::Base & nested, const std::string & file):
	Exception(where, line, nested, file + string(" was not found")){
	}

	NotFound::NotFound(const NotFound & copy):
	Exception(copy){
	}

	NotFound::~NotFound() throw (){
	}

	IllegalPath::IllegalPath(const std::string & where, int line, const std::string & file):
	Exception(where, line, file){
	}

	IllegalPath::IllegalPath(const std::string & where, int line, const Exc::Base & nested, const std::string & file):
	Exception(where, line, nested, file){
	}

	IllegalPath::IllegalPath(const IllegalPath & copy):
	Exception(copy){
	}

	IllegalPath::~IllegalPath() throw(){
	}

	#ifdef _WIN32
	AbsolutePath userDirectory(){
	ostringstream str;
	char path[MAX_PATH];
	SHGetSpecialFolderPathA(0, path, CSIDL_APPDATA, false);
	str << path << "/paintown/";
	return AbsolutePath(str.str());
	}

	AbsolutePath configFile(){
	ostringstream str;
	char path[MAX_PATH];
	SHGetSpecialFolderPathA(0, path, CSIDL_APPDATA, false);
	str << path << "/paintown_configuration.txt";
	return AbsolutePath(str.str());
	}
	#else
	AbsolutePath configFile(){
	ostringstream str;
	/* what if HOME isn't set? */
	str << getenv("HOME") << "/.paintownrc";
	return AbsolutePath(str.str());
	}

	AbsolutePath userDirectory(){
	ostringstream str;
	/* what if HOME isn't set? */
	str << getenv("HOME") << "/.paintown/";
	return AbsolutePath(str.str());
	}
	#endif

	static AbsolutePath lookup(const RelativePath path){
	/* first try the main data directory */
	AbsolutePath final = Util::getDataPath2().join(path);
	if (System::readable(final.path())){
	return final;
	}
	/* then try the user directory, like ~/.paintown */
	final = userDirectory().join(path);
	if (System::readable(final.path())){
	return final;
	}
	/* then just look in the cwd */
	if (System::readable(path.path())){
	return AbsolutePath(path.path());
	}

	ostringstream out;
	out << "Cannot find " << path.path() << ". I looked in '" << Util::getDataPath2().join(path).path() << "', '" << userDirectory().join(path).path() << "', and '" << path.path() << "'";

	throw NotFound(__FILE__, __LINE__, out.str());
	}

	AbsolutePath lookupInsensitive(const AbsolutePath & directory, const RelativePath & path){
	if (path.path() == ""){
	throw NotFound(__FILE__, __LINE__, "Given empty path to lookup");
	}
	if (path.path() == "."){
	return directory;
	}
	if (path.path() == ".."){
	return directory.getDirectory();
	}
	if (path.isFile()){
	vector<AbsolutePath> all = getFiles(directory, "*", true);
	for (vector<AbsolutePath>::iterator it = all.begin(); it != all.end(); it++){
	AbsolutePath & check = *it;
	if (InsensitivePath(check.getFilename()) == path){
	return check;
	}
	}

	ostringstream out;
	out << "Cannot find " << path.path() << " in " << directory.path();
	throw NotFound(__FILE__, __LINE__, out.str());
	} else {
	return lookupInsensitive(lookupInsensitive(directory, path.firstDirectory()), path.removeFirstDirectory());
	}
	}

	static vector<AbsolutePath> findDirectoriesIn(const AbsolutePath & path){
	vector<AbsolutePath> dirs;
	DIR * dir = opendir(path.path().c_str());
	if (dir == NULL){
	return dirs;
	}

	struct dirent * entry = readdir(dir);
	while (entry != NULL){
	if (string(entry->d_name) != "." && string(entry->d_name) != ".."){
	string total = path.path() + "/" + entry->d_name;
	if (System::isDirectory(total)){
	dirs.push_back(AbsolutePath(total));
	}
	}
	entry = readdir(dir);
	}

	closedir(dir);

	return dirs;
	}

	vector<AbsolutePath> findDirectories(const RelativePath & path){
	typedef vector<AbsolutePath> Paths;
	Paths dirs;

	Paths main_dirs = findDirectoriesIn(Util::getDataPath2().join(path));
	Paths user_dirs = findDirectoriesIn(userDirectory().join(path));
	Paths here_dirs = findDirectoriesIn(Filesystem::AbsolutePath(path.path()));

	dirs.insert(dirs.end(), main_dirs.begin(), main_dirs.end());
	dirs.insert(dirs.end(), user_dirs.begin(), user_dirs.end());
	dirs.insert(dirs.end(), here_dirs.begin(), here_dirs.end());

	return dirs;
	}

	vector<AbsolutePath> getFiles(const AbsolutePath & dataPath, const string & find, bool caseInsensitive){
	#ifdef USE_ALLEGRO
	struct al_ffblk info;
	vector<AbsolutePath> files;

	if ( al_findfirst( (dataPath.path() + "/" + find).c_str(), &info, FA_ALL ) != 0 ){
	return files;
	}
	files.push_back(AbsolutePath(dataPath.path() + "/" + string(info.name)));
	while ( al_findnext( &info ) == 0 ){
	files.push_back(AbsolutePath(dataPath.path() + "/" + string(info.name)));
	}
	al_findclose( &info );
	return files;
	#else
	Util::Thread::acquireLock(&lock);
	vector<AbsolutePath> files;
	DIRST sflEntry;
	bool ok = open_dir(&sflEntry, dataPath.path().c_str());
	while (ok){
	if (file_matches(sflEntry.file_name, find.c_str())){
	files.push_back(AbsolutePath(dataPath.path() + "/" + string(sflEntry.file_name)));
	}
	ok = read_dir(&sflEntry);
	}
	close_dir(&sflEntry);
	// Global::debug(0) << "Warning: Filesystem::getFiles() is not implemented yet for SDL" << endl;
	Util::Thread::releaseLock(&lock);
	return files;
	#endif
	}

	template <class X>
	static void append(vector<X> & destination, const vector<X> & source){
	/*
	for (typename vector<X>::const_iterator it = source.begin(); it != source.end(); it++){
	destination.push_back(*it);
	}
	*/
	copy(source.begin(), source.end(), back_insert_iterator<vector<X> >(destination));
	}

	void initialize(){
	Util::Thread::initializeLock(&lock);
	}

	static vector<AbsolutePath> getAllDirectories(const AbsolutePath & path){
	vector<AbsolutePath> all = findDirectoriesIn(path);
	vector<AbsolutePath> final;
	append(final, all);
	for (vector<AbsolutePath>::iterator it = all.begin(); it != all.end(); it++){
	vector<AbsolutePath> more = getAllDirectories(*it);
	append(final, more);
	}
	return final;
	}

	vector<AbsolutePath> getFilesRecursive(const AbsolutePath & dataPath, const string & find, bool caseInsensitive){
	vector<AbsolutePath> directories = getAllDirectories(dataPath);
	directories.push_back(dataPath);
	vector<AbsolutePath> files;
	for (vector<AbsolutePath>::iterator it = directories.begin(); it != directories.end(); it++){
	vector<AbsolutePath> found = getFiles(*it, find, caseInsensitive);
	append(files, found);
	}
	return files;
	}

	/* remove extra path separators (/) */
	string sanitize(string path){
	size_t double_slash = path.find("//");
	while (double_slash != string::npos){
	path.erase(double_slash, 1);
	double_slash = path.find("//");
	}
	return path;
	}

	/*
	std::string find(const std::string path){
	if (path.length() == 0){
	throw NotFound("No path given");
	}
	if (path[0] == '/'){
	string str(path);
	str.erase(0, 1);
	string out = lookup(str);
	if (System::isDirectory(out)){
	return sanitize(out + "/");
	}
	return sanitize(out);
	}
	string out = lookup(path);
	if (System::isDirectory(out)){
	return sanitize(out + "/");
	}
	return sanitize(out);
	}
	*/

	AbsolutePath find(const RelativePath & path){
	if (path.isEmpty()){
	throw NotFound(__FILE__, __LINE__, "No path given");
	}

	AbsolutePath out = lookup(path);
	if (System::isDirectory(out.path())){
	return AbsolutePath(out.path() + "/");
	}
	return AbsolutePath(out.path());
	}

	AbsolutePath findInsensitive(const RelativePath & path){
	try{
	/* try sensitive lookup first */
	return lookup(path);
	} catch (const NotFound & fail){
	}
	/* get the base directory */
	AbsolutePath directory = lookup(path.getDirectory());
	return lookupInsensitive(directory, path.getFilename());
	}

	bool exists(const RelativePath & path){
	try{
	AbsolutePath absolute = find(path);
	return true;
	} catch (const NotFound & found){
	return false;
	}
	}

	bool exists(const AbsolutePath & path){
	return System::readable(path.path());
	}

	RelativePath cleanse(const AbsolutePath & path){
	string str = path.path();
	if (str.find(Util::getDataPath2().path()) == 0){
	str.erase(0, Util::getDataPath2().path().length());
	} else if (str.find(userDirectory().path()) == 0){
	str.erase(0, userDirectory().path().length());
	}
	return RelativePath(str);
	}

	static string joinPath(const vector<string> & paths){
	ostringstream out;
	bool first = true;
	for (vector<string>::const_iterator it = paths.begin(); it != paths.end(); it++){
	if (!first){
	out << '/';
	}
	out << *it;
	first = false;
	}
	return out.str();
	}

	static vector<string> splitPath(string path){
	vector<string> all;
	if (path.size() > 0 && path[0] == '/'){
	all.push_back("/");
	}
	size_t found = path.find('/');
	while (found != string::npos){
	if (found > 0){
	all.push_back(path.substr(0, found));
	}
	path.erase(0, found + 1);
	found = path.find('/');
	}
	if (path.size() != 0){
	all.push_back(path);
	}
	return all;
	}

	/* a/b/c/d -> a/b/c
	* a/b/c/d/ -> a/b/c
	*/
	static string dirname(string path){
	vector<string> paths = splitPath(path);
	if (paths.size() > 1){
	paths.pop_back();
	return joinPath(paths);
	} else if (paths.size() == 1){
	if (paths[0] == "/"){
	return "/";
	}
	return ".";
	} else {
	return ".";
	}
	/*
	while (path.size() > 0 && path[path.size() - 1] == '/'){
	path.erase(path.size() - 1);
	}

	if (path.find("/") != string::npos \|\|
	path.find("\\") != string::npos){
	size_t rem = path.find_last_of("/");
	if (rem != string::npos){
	return path.substr(0, rem + 1);
	}

	rem = path.find_last_of("\\");
	if (rem != string::npos){
	return path.substr(0, rem + 1);
	}
	}

	return "";
	*/
	}

	/* a/b/c/d -> b/c/d */
	std::string stripFirstDir(const std::string & str){
	if (str.find("/") != std::string::npos \|\| str.find( "\\") != std::string::npos){
	std::string temp = str;
	size_t rem = temp.find("/");
	if (rem != std::string::npos){
	return str.substr(rem+1,str.size());
	}
	rem = temp.find("\\");
	if( rem != std::string::npos ){
	return str.substr(rem+1,str.size());
	}
	}
	return str;
	}

	/* a/b/c/d -> d */
	std::string stripDir(const std::string & str){
	if (str.find("/") != std::string::npos \|\| str.find( "\\") != std::string::npos){
	std::string temp = str;
	size_t rem = temp.find_last_of( "/" );
	if (rem != std::string::npos){
	return str.substr(rem+1,str.size());
	}
	rem = temp.find_last_of( "\\" );
	if( rem != std::string::npos ){
	return str.substr(rem+1,str.size());
	}
	}
	return str;
	}

	std::string removeExtension(const std::string & str){
	if (str.find(".") != std::string::npos){
	return str.substr(0, str.find_last_of("."));
	}
	return str;
	}

	const string & Path::path() const {
	return mypath;
	}

	bool Path::isEmpty() const {
	return mypath.empty();
	}

	Path::~Path(){
	}

	Path::Path(){
	}

	static int invert(int c){
	if (c == '\\'){
	return '/';
	}
	return c;
	}

	std::string invertSlashes(string str){
	transform(str.begin(), str.end(), str.begin(), invert);
	return str;

	/*
	string tempStr = str;
	if (tempStr.find('\\') != string::npos){
	for (int i = tempStr.size()-1; i>-1; --i){
	if (tempStr[i] == '\\'){
	tempStr[i] = '/';
	}
	}
	}

	return tempStr;
	*/
	}

	Path::Path(const std::string & path):
	mypath(sanitize(invertSlashes(path))){
	}

	Path::Path(const Path & path):
	mypath(sanitize(invertSlashes(path.path()))){
	}

	RelativePath::RelativePath(){
	}

	RelativePath::RelativePath(const std::string & path):
	Path(path){
	if (! path.empty() && path[0] == '/'){
	ostringstream out;
	out << "Relative path '" << path << "' cannot start with a /. Only absolute paths can start with /";
	throw IllegalPath(__FILE__, __LINE__, out.str());
	}
	}

	RelativePath::RelativePath(const RelativePath & path):
	Path(path){
	}

	RelativePath RelativePath::removeFirstDirectory() const {
	return RelativePath(stripFirstDir(path()));
	}

	bool RelativePath::isFile() const {
	vector<string> paths = splitPath(path());
	return paths.size() == 1;
	}

	RelativePath RelativePath::firstDirectory() const {
	vector<string> paths = splitPath(path());
	if (paths.size() > 1){
	return RelativePath(paths[0]);
	}
	return RelativePath();
	}

	RelativePath RelativePath::getDirectory() const {
	return RelativePath(dirname(path()));
	}

	RelativePath RelativePath::getFilename() const {
	return RelativePath(stripDir(path()));
	}

	bool RelativePath::operator<(const RelativePath & path) const {
	return this->path() < path.path();
	}

	bool RelativePath::operator==(const RelativePath & path) const {
	return this->path() == path.path();
	}

	RelativePath RelativePath::join(const RelativePath & him) const {
	return RelativePath(path() + "/" + him.path());
	}

	RelativePath & RelativePath::operator=(const RelativePath & copy){
	setPath(copy.path());
	return *this;
	}

	AbsolutePath::AbsolutePath(){
	}

	AbsolutePath::AbsolutePath(const std::string & path):
	Path(path){
	}

	AbsolutePath::AbsolutePath(const AbsolutePath & path):
	Path(path){
	}

	AbsolutePath & AbsolutePath::operator=(const AbsolutePath & copy){
	setPath(copy.path());
	return *this;
	}

	bool AbsolutePath::operator==(const AbsolutePath & path) const {
	return this->path() == path.path();
	}

	bool AbsolutePath::operator<(const AbsolutePath & path) const {
	return this->path() < path.path();
	}

	AbsolutePath AbsolutePath::getDirectory() const {
	return AbsolutePath(dirname(path()));
	}

	AbsolutePath AbsolutePath::getFilename() const {
	return AbsolutePath(stripDir(path()));
	}

	AbsolutePath AbsolutePath::join(const RelativePath & path) const {
	return AbsolutePath(this->path() + "/" + path.path());
	}

	InsensitivePath::InsensitivePath(const Path & what):
	Path(what){
	}

	bool InsensitivePath::operator==(const Path & path) const {
	return Util::upperCaseAll(this->path()) == Util::upperCaseAll(path.path());
	}

	/* will read upto 'length' bytes unless a null byte is seen first */
	string EndianReader::readStringX(int length){
	ostringstream out;
	uint8_t letter = readByte1();
	while (letter != 0 && length > 0){
	out << letter;
	letter = readByte1();
	length -= 1;
	}
	return out.str();
	}

	/* unconditionally reads 'length' bytes */
	std::string EndianReader::readString2(int length){
	ostringstream out;
	vector<uint8_t> bytes = readBytes(length);
	for (vector<uint8_t>::iterator it = bytes.begin(); it != bytes.end(); it++){
	char byte = *it;
	if (byte == 0){
	break;
	}
	out << *it;
	}
	return out.str();
	}

	void EndianReader::seekEnd(streamoff where){
	stream.seekg(where, ios::end);
	}

	void EndianReader::seek(streampos where){
	stream.seekg(where);
	}

	int EndianReader::position(){
	return stream.tellg();
	}
	+
	+void EndianReader::readBytes(uint8_t * out, int length){
	+ stream.read((char*) out, length);
	+}

	vector<uint8_t> EndianReader::readBytes(int length){
	vector<uint8_t> bytes;
	for (int i = 0; i < length; i++){
	uint8_t byte = 0;
	stream.read((char*) &byte, 1);
	if (stream.eof()){
	throw Eof();
	} else {
	}
	bytes.push_back(byte);
	}
	return bytes;
	}

	}
	diff --git a/util/file-system.h b/util/file-system.h
	index a44327ad..bb432db0 100644
	--- a/util/file-system.h
	+++ b/util/file-system.h
	@@ -1,262 +1,263 @@
	#ifndef _paintown_file_system_h
	#define _paintown_file_system_h

	#include "exceptions/exception.h"
	#include <string>
	#include <vector>
	#include <stdint.h>

	namespace Filesystem{
	/* sorry for the crappy abbreviation, but can't collide with the
	* Exception class here
	*/
	namespace Exc = ::Exception;

	class Exception: public Exc::Base {
	public:
	Exception(const std::string & where, int line, const std::string & file);
	Exception(const std::string & where, int line, const Exc::Base & nested, const std::string & file);
	Exception(const Exception & copy);
	virtual ~Exception() throw ();
	virtual void throwSelf() const {
	throw *this;
	}

	protected:
	virtual const std::string getReason() const;

	virtual Exc::Base * copy() const {
	return new Exception(*this);
	}

	private:
	std::string reason;
	};

	class NotFound: public Exception {
	public:
	NotFound(const std::string & where, int line, const std::string & file);
	NotFound(const std::string & where, int line, const Exc::Base & nested, const std::string & file);
	virtual ~NotFound() throw();
	NotFound(const NotFound & copy);
	virtual void throwSelf() const {
	throw *this;
	}
	protected:
	virtual Exc::Base * copy() const {
	return new NotFound(*this);
	}
	};

	class IllegalPath: public Exception {
	public:
	IllegalPath(const std::string & where, int line, const std::string & file);
	IllegalPath(const std::string & where, int line, const Exc::Base & nested, const std::string & file);
	virtual ~IllegalPath() throw();
	IllegalPath(const IllegalPath & copy);
	virtual void throwSelf() const {
	throw *this;
	}
	protected:
	virtual Exc::Base * copy() const {
	return new IllegalPath(*this);
	}
	};

	class Path{
	public:
	const std::string & path() const;
	bool isEmpty() const;

	virtual ~Path();

	protected:
	Path();
	Path(const std::string & path);
	Path(const Path & path);

	virtual inline void setPath(const std::string & s){
	mypath = s;
	}

	std::string mypath;
	};

	class InsensitivePath: public Path {
	public:
	InsensitivePath(const Path & what);
	bool operator==(const Path & path) const;
	};

	/* relative path should not have the leading data directory on it, just
	* the path within the paintown system.
	*/
	class RelativePath: public Path {
	public:
	explicit RelativePath();
	explicit RelativePath(const std::string & path);
	RelativePath(const RelativePath & path);

	bool operator<(const RelativePath & path) const;

	virtual RelativePath getDirectory() const;
	virtual RelativePath getFilename() const;

	RelativePath removeFirstDirectory() const;
	RelativePath firstDirectory() const;

	bool isFile() const;

	/* a/ + b/ = a/b/ */
	RelativePath join(const RelativePath & path) const;
	RelativePath & operator=(const RelativePath & copy);

	bool operator==(const RelativePath & path) const;
	};

	/* absolute paths should have the entire filesystem path on it */
	class AbsolutePath: public Path {
	public:
	explicit AbsolutePath();
	explicit AbsolutePath(const std::string & path);
	AbsolutePath(const AbsolutePath & path);
	AbsolutePath & operator=(const AbsolutePath & copy);

	bool operator<(const AbsolutePath & path) const;
	bool operator==(const AbsolutePath & path) const;

	virtual AbsolutePath getDirectory() const;
	virtual AbsolutePath getFilename() const;

	AbsolutePath join(const RelativePath & path) const;
	};

	/* given a relative path like sounds/arrow.png, prepend the proper
	* data path to it to give data/sounds/arrow.png
	*/
	AbsolutePath find(const RelativePath & path);

	/* like `find' but ignores case */
	AbsolutePath findInsensitive(const RelativePath & path);

	/* findInsensitive but starts in the given absolute directory path */
	AbsolutePath lookupInsensitive(const AbsolutePath & directory, const RelativePath & path);

	void initialize();

	/* whether the file exists at all */
	bool exists(const RelativePath & path);
	bool exists(const AbsolutePath & path);

	/* remove the data path from a string
	* data/sounds/arrow.png -> sounds/arrow.png
	*/
	RelativePath cleanse(const AbsolutePath & path);

	/* returns all the directories starting with the given path.
	* will look in the main data directory, the user directory, and
	* the current working directory.
	*/
	std::vector<AbsolutePath> findDirectories(const RelativePath & path);

	/* basename, just get the filename and remove the directory part */
	std::string stripDir(const std::string & str);

	/* remove extension. foo.txt -> foo */
	std::string removeExtension(const std::string & str);

	/* user specific directory to hold persistent data */
	AbsolutePath userDirectory();

	/* user specific path to store the configuration file */
	AbsolutePath configFile();

	/* search a directory for some files matching pattern `find' */
	std::vector<AbsolutePath> getFiles(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive = false);

	/* same as getFiles but search directories recursively */
	std::vector<AbsolutePath> getFilesRecursive(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive = false);

	std::string invertSlashes(std::string str);
	std::string sanitize(std::string path);

	class Eof: public std::exception {
	public:
	Eof(){
	}

	virtual ~Eof() throw (){
	}
	};

	class EndianReader{
	public:
	EndianReader(std::ifstream & stream):
	stream(stream){
	}

	virtual ~EndianReader(){
	}

	virtual int8_t readByte1(){
	return convert(readBytes(sizeof(int8_t)));
	}

	virtual int16_t readByte2(){
	return convert(readBytes(sizeof(int16_t)));
	}

	virtual int32_t readByte4(){
	return convert(readBytes(sizeof(int32_t)));
	}

	virtual std::string readStringX(int length);
	virtual std::string readString2(int length);
	+ virtual void readBytes(uint8_t * out, int length);

	virtual void seekEnd(std::streamoff where);
	virtual void seek(std::streampos where);

	virtual int position();

	protected:
	virtual int32_t convert(const std::vector<uint8_t> & bytes) = 0;

	std::vector<uint8_t> readBytes(int length);

	std::ifstream & stream;
	};

	/* combines bytes b0 b1 b2 b3 as b0 + b12^8 + b22^16 + b32^24 /
	class LittleEndianReader: public EndianReader {
	public:
	LittleEndianReader(std::ifstream & stream):
	EndianReader(stream){
	}
	protected:
	virtual int32_t convert(const std::vector<uint8_t> & bytes){
	uint32_t out = 0;
	for (std::vector<uint8_t>::const_reverse_iterator it = bytes.rbegin(); it != bytes.rend(); it++){
	out = (out << 8) + *it;
	}
	return out;
	}
	};

	/* combines bytes b0 b1 b2 b3 as b02^24 + b12^16 + b22^8 + b3 /
	class BigEndianReader: public EndianReader {
	public:
	BigEndianReader(std::ifstream & stream):
	EndianReader(stream){
	}
	protected:
	virtual int32_t convert(const std::vector<uint8_t> & bytes){
	uint32_t out = 0;
	for (std::vector<uint8_t>::const_iterator it = bytes.begin(); it != bytes.end(); it++){
	out = (out << 8) + *it;
	}
	return out;
	}
	};
	}

	#endif

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