changed all wstring/wchar_t to string/char

23 files changed, 217 insertions, 211 deletions

diff --git a/src/base/image.cpp b/src/base/image.cpp
index d1d944eb..7b06cc3e 100644
--- a/src/base/image.cpp
+++ b/src/base/image.cpp
@@ -68,7 +68,7 @@ namespace usdx
 		surface = IMG_Load_RW(source, 1);
 
 		if (surface == NULL) {
-			LOG4CXX_ERROR(log, L"Error loading image: " << filename);
+			LOG4CXX_ERROR(log, "Error loading image: " << filename);
 			throw ImageLoadException(IMG_GetError());
 		}
 	}
diff --git a/src/base/lyric_word.cpp b/src/base/lyric_word.cpp
index 979d02a9..c6c5d7d9 100644
--- a/src/base/lyric_word.cpp
+++ b/src/base/lyric_word.cpp
@@ -28,20 +28,20 @@
 
 namespace usdx
 {
-	LyricWord::LyricWord(const wchar_t type,
+	LyricWord::LyricWord(const char type,
 			     const int beat,
 			     const int length,
 			     const int height,
-			     const std::wstring& lyric) :
+			     const std::string& lyric) :
 		beat(beat), length(length), height(height), text(lyric)
 	{
-		if (type == L':') {
+		if (type == ':') {
 			this->type = nt_normal;
 		}
-		else if (type == L'*') {
+		else if (type == '*') {
 			this->type = nt_golden;
 		}
-		else if (type == L'F') {
+		else if (type == 'F') {
 			this->type = nt_freestyle;
 		}
 	}
diff --git a/src/base/lyric_word.hpp b/src/base/lyric_word.hpp
index 54f2ea3f..4b19b13c 100644
--- a/src/base/lyric_word.hpp
+++ b/src/base/lyric_word.hpp
@@ -44,10 +44,10 @@ namespace usdx
 		int beat;
 		int length;
 		int height;
-		std::wstring text;
+		std::string text;
 
 	public:
-		LyricWord(const wchar_t type, const int beat, const int length, const int height, const std::wstring& lyric);
+		LyricWord(const char type, const int beat, const int length, const int height, const std::string& lyric);
 		virtual ~LyricWord(void);
 	};
 };
diff --git a/src/base/song.cpp b/src/base/song.cpp
index 9b0cbf12..209f13de 100644
--- a/src/base/song.cpp
+++ b/src/base/song.cpp
@@ -39,38 +39,38 @@ namespace usdx
 	}
 
 	Song::Song(const boost::filesystem::wpath& filename,
-		   const std::map<std::wstring, std::wstring>& header) :
+		   const std::map<std::string, std::string>& header) :
 		filename(filename), custom_header_tags(header)
 	{
-		std::map<std::wstring, std::wstring>::iterator it;
+		std::map<std::string, std::string>::iterator it;
 
-		title = get_header_tag(L"TITLE", true);
-		artist = get_header_tag(L"ARTIST", true);
-		mp3 = get_header_tag(L"MP3", true);
+		title = get_header_tag("TITLE", true);
+		artist = get_header_tag("ARTIST", true);
+		mp3 = get_header_tag("MP3", true);
 
-		bpm.push_back(new BPM(get_header_tag_float(L"BPM", true)));
+		bpm.push_back(new BPM(get_header_tag_float("BPM", true)));
 
-		gap = get_header_tag_float(L"GAP");
-		cover_file = get_header_tag(L"COVER");
-		background = get_header_tag(L"BACKGROUND");
+		gap = get_header_tag_float("GAP");
+		cover_file = get_header_tag("COVER");
+		background = get_header_tag("BACKGROUND");
 
-		video = get_header_tag(L"VIDEO");
-		video_gap = get_header_tag_float(L"VIDEOGAP");
+		video = get_header_tag("VIDEO");
+		video_gap = get_header_tag_float("VIDEOGAP");
 
-		genre = get_header_tag(L"GENRE");
-		edition = get_header_tag(L"EDITION");
-		creator = get_header_tag(L"CREATOR");
-		language = get_header_tag(L"LANGUAGE");
+		genre = get_header_tag("GENRE");
+		edition = get_header_tag("EDITION");
+		creator = get_header_tag("CREATOR");
+		language = get_header_tag("LANGUAGE");
 
-		year = get_header_tag_int(L"YEAR");
+		year = get_header_tag_int("YEAR");
 
-		start = get_header_tag_float(L"START");
-		stop = get_header_tag_int(L"END");
+		start = get_header_tag_float("START");
+		stop = get_header_tag_int("END");
 
-		resolution = get_header_tag_int(L"RESOLUTION");
-		notes_gap = get_header_tag_int(L"NOTESGAP");
+		resolution = get_header_tag_int("RESOLUTION");
+		notes_gap = get_header_tag_int("NOTESGAP");
 
-		relative = get_header_tag_bool(L"RELATIVE");
+		relative = get_header_tag_bool("RELATIVE");
 
 		// TODO
 	        // EncFile := DecodeFilename(Value);
@@ -98,27 +98,27 @@ namespace usdx
 		lyrics.clear();
 	}
 
-	std::wstring Song::get_header_tag(const std::wstring& tag, const bool required)
+	std::string Song::get_header_tag(const std::string& tag, const bool required)
 	{
-		std::map<std::wstring, std::wstring>::iterator it;
-		std::wstring result = L"";
+		std::map<std::string, std::string>::iterator it;
+		std::string result = "";
 
 		if ((it = custom_header_tags.find(tag)) != custom_header_tags.end()) {
 			result = it->second;
 			custom_header_tags.erase(it);
 		}
 		else if (required) {
-			LOG4CXX_ERROR(log, L"Incomplete Song! Missing '" << tag << L"' Tag in: '" <<
-				      get_filename() << L"'");
+			LOG4CXX_ERROR(log, "Incomplete Song! Missing '" << tag << "' Tag in: '" <<
+				      get_filename() << "'");
 			throw MissingTagException(tag, "Incomplete Song! Missing Tag.");
 		}
 
 		return result;
 	}
 
-	float Song::get_header_tag_float(const std::wstring& tag, const bool required)
+	float Song::get_header_tag_float(const std::string& tag, const bool required)
 	{
-		std::map<std::wstring, std::wstring>::iterator it;
+		std::map<std::string, std::string>::iterator it;
 		float result;
 
 		if ((it = custom_header_tags.find(tag)) != custom_header_tags.end()) {
@@ -126,49 +126,49 @@ namespace usdx
 			custom_header_tags.erase(it);
 		}
 		else if (required) {
-			LOG4CXX_ERROR(log, L"Incomplete Song! Missing '" << tag << L"' Tag in: '" <<
-				      get_filename() << L"'");
+			LOG4CXX_ERROR(log, "Incomplete Song! Missing '" << tag << "' Tag in: '" <<
+				      get_filename() << "'");
 			throw MissingTagException(tag, "Incomplete Song! Missing Tag.");
 		}
 
 		return result;
 	}
 
-	int Song::get_header_tag_int(const std::wstring& tag, const bool required)
+	int Song::get_header_tag_int(const std::string& tag, const bool required)
 	{
-		std::map<std::wstring, std::wstring>::iterator it;
+		std::map<std::string, std::string>::iterator it;
 		int result;
 
 		if ((it = custom_header_tags.find(tag)) != custom_header_tags.end()) {
-			std::wistringstream stream(it->second);
+			std::istringstream stream(it->second);
 			custom_header_tags.erase(it);
 			stream >> result;
 		}
 		else if (required) {
-			LOG4CXX_ERROR(log, L"Incomplete Song! Missing '" << tag << L"' Tag in: '" <<
-				      get_filename() << L"'");
+			LOG4CXX_ERROR(log, "Incomplete Song! Missing '" << tag << "' Tag in: '" <<
+				      get_filename() << "'");
 			throw MissingTagException(tag, "Incomplete Song! Missing Tag.");
 		}
 
 		return result;
 	}
 
-	bool Song::get_header_tag_bool(const std::wstring& tag, const bool required)
+	bool Song::get_header_tag_bool(const std::string& tag, const bool required)
 	{
-		std::map<std::wstring, std::wstring>::iterator it;
+		std::map<std::string, std::string>::iterator it;
 		bool result;
 
 		if ((it = custom_header_tags.find(tag)) != custom_header_tags.end()) {
 			// accept all like (YES, JA, TRUE, 1)
-			result = (it->second[0] == L'j' || it->second[0] == L'J' ||
-				  it->second[0] == L'y' || it->second[0] == L'Y' ||
-				  it->second[0] == L't' || it->second[0] == L'T' ||
-				  it->second[0] == L'1');
+			result = (it->second[0] == 'j' || it->second[0] == 'J' ||
+				  it->second[0] == 'y' || it->second[0] == 'Y' ||
+				  it->second[0] == 't' || it->second[0] == 'T' ||
+				  it->second[0] == '1');
 			custom_header_tags.erase(it);
 		}
 		else if (required) {
-			LOG4CXX_ERROR(log, L"Incomplete Song! Missing '" << tag << L"' Tag in: '" <<
-				      get_filename() << L"'");
+			LOG4CXX_ERROR(log, "Incomplete Song! Missing '" << tag << "' Tag in: '" <<
+				      get_filename() << "'");
 			throw MissingTagException(tag, "Incomplete Song! Missing Tag.");
 		}
 
@@ -191,17 +191,17 @@ namespace usdx
 		return line;
 	}
 
-	const std::wstring& Song::get_title(void) const
+	const std::string& Song::get_title(void) const
 	{
 		return title;
 	}
 
-	const std::wstring& Song::get_artist(void) const
+	const std::string& Song::get_artist(void) const
 	{
 		return artist;
 	}
 
-	const std::wstring& Song::get_mp3(void) const
+	const std::string& Song::get_mp3(void) const
 	{
 		return mp3;
 	}
@@ -226,17 +226,17 @@ namespace usdx
 		return gap;
 	}
 
-	const std::wstring& Song::get_cover_file(void) const
+	const std::string& Song::get_cover_file(void) const
 	{
 		return cover_file;
 	}
 
-	const std::wstring& Song::get_background(void) const
+	const std::string& Song::get_background(void) const
 	{
 		return background;
 	}
 
-	const std::wstring& Song::get_video(void) const
+	const std::string& Song::get_video(void) const
 	{
 		return video;
 	}
@@ -246,22 +246,22 @@ namespace usdx
 		return video_gap;
 	}
 
-	const std::wstring& Song::get_genre(void) const
+	const std::string& Song::get_genre(void) const
 	{
 		return genre;
 	}
 
-	const std::wstring& Song::get_edition(void) const
+	const std::string& Song::get_edition(void) const
 	{
 		return edition;
 	}
 
-	const std::wstring& Song::get_creator(void) const
+	const std::string& Song::get_creator(void) const
 	{
 		return creator;
 	}
 
-	const std::wstring& Song::get_language(void) const
+	const std::string& Song::get_language(void) const
 	{
 		return language;
 	}
@@ -321,7 +321,7 @@ namespace usdx
 		create_new_lyric_line(line_in + get_relative_beat());
 	}
 
-	void Song::new_note(const wchar_t type, const int beat, const int length, const int height, const std::wstring& lyric)
+	void Song::new_note(const char type, const int beat, const int length, const int height, const std::string& lyric)
 	{
 		get_last_lyric_line()->add_word(new LyricWord(type, beat + get_relative_beat(), length, height, lyric));
 	}
diff --git a/src/base/song.hpp b/src/base/song.hpp
index d0c06c9a..c5b160af 100644
--- a/src/base/song.hpp
+++ b/src/base/song.hpp
@@ -45,16 +45,16 @@ namespace usdx
 		/**
 		 * TODO: Maybe refactor this to separate sub-classes.
 		 */
-		const std::wstring tag;
+		const std::string tag;
 
 	public:
-		MissingTagException(const std::wstring tag,
+		MissingTagException(const std::string tag,
 				    const std::string message) :
 			BaseException(message), tag(tag) {};
 
 		~MissingTagException () throw () {};
 
-		virtual const std::wstring& get_tag() const { return tag; };
+		virtual const std::string& get_tag() const { return tag; };
 	};
 
 	class Song
@@ -64,25 +64,25 @@ namespace usdx
 
 		boost::filesystem::wpath filename;
 
-		std::wstring title;
-		std::wstring artist;
+		std::string title;
+		std::string artist;
 
 		// filenames
-		std::wstring mp3;
+		std::string mp3;
 
-		std::wstring background;
+		std::string background;
 
-		std::wstring video;
+		std::string video;
 		float video_gap;
 
-		std::wstring cover_file;
+		std::string cover_file;
 		Texture* cover;
 
-		std::wstring genre;
-		std::wstring edition;
-		std::wstring language;
+		std::string genre;
+		std::string edition;
+		std::string language;
 		int year;
-		std::wstring creator;
+		std::string creator;
 
 		int notes_gap;
 		float gap; ///< in miliseconds
@@ -96,12 +96,12 @@ namespace usdx
 
 		std::list<LyricLine*> lyrics;
 
-		std::map<std::wstring, std::wstring> custom_header_tags;
+		std::map<std::string, std::string> custom_header_tags;
 
-		std::wstring get_header_tag(const std::wstring& tag, const bool required = false);
-		float get_header_tag_float(const std::wstring& tag, const bool required = false);
-		int get_header_tag_int(const std::wstring& tag, const bool required = false);
-		bool get_header_tag_bool(const std::wstring& tag, const bool required = false);
+		std::string get_header_tag(const std::string& tag, const bool required = false);
+		float get_header_tag_float(const std::string& tag, const bool required = false);
+		int get_header_tag_int(const std::string& tag, const bool required = false);
+		bool get_header_tag_bool(const std::string& tag, const bool required = false);
 
 		LyricLine* get_last_lyric_line(void);
 		LyricLine* create_new_lyric_line(int start);
@@ -117,25 +117,25 @@ namespace usdx
 		// TODO: Encoding:   TEncoding;
 	public:
 		Song(const boost::filesystem::wpath& filename,
-		     const std::map<std::wstring, std::wstring>& header);
+		     const std::map<std::string, std::string>& header);
 
 		virtual ~Song(void);
 
 		const boost::filesystem::wpath& get_filename(void) const;
 
-		const std::wstring& get_title(void) const;
-		const std::wstring& get_artist(void) const;
-		const std::wstring& get_mp3(void) const;
+		const std::string& get_title(void) const;
+		const std::string& get_artist(void) const;
+		const std::string& get_mp3(void) const;
 		const float get_bpm(int beat) const;
 		const float get_gap(void) const;
-		const std::wstring& get_cover_file(void) const;
-		const std::wstring& get_background(void) const;
-		const std::wstring& get_video(void) const;
+		const std::string& get_cover_file(void) const;
+		const std::string& get_background(void) const;
+		const std::string& get_video(void) const;
 		const float get_video_gap(void) const;
-		const std::wstring& get_genre(void) const;
-		const std::wstring& get_edition(void) const;
-		const std::wstring& get_creator(void) const;
-		const std::wstring& get_language(void) const;
+		const std::string& get_genre(void) const;
+		const std::string& get_edition(void) const;
+		const std::string& get_creator(void) const;
+		const std::string& get_language(void) const;
 		const int get_year(void) const;
 		const float get_start(void) const;
 		const int get_stop(void) const;
@@ -148,7 +148,7 @@ namespace usdx
 
 		void new_bpm(const int beat, const float new_bpm);
 		void new_line(const int line_out, const int line_in);
-		void new_note(const wchar_t type, const int beat, const int length, const int height, const std::wstring& lyric);
+		void new_note(const char type, const int beat, const int length, const int height, const std::string& lyric);
 	};
 };
 
diff --git a/src/base/songloading/songloader.cpp b/src/base/songloading/songloader.cpp
index 0524d18c..5562bdc7 100644
--- a/src/base/songloading/songloader.cpp
+++ b/src/base/songloading/songloader.cpp
@@ -58,10 +58,10 @@ namespace usdx
 
 	Song *Songloader::load_header(const boost::filesystem::wpath& filename)
 	{
-		std::wstring ext = extension(filename);
-		std::map<std::wstring, SongloadingStrategyBaseFactory*>::iterator it = strategies.find(ext);
+		std::string ext = extension(filename);
+		std::map<std::string, SongloadingStrategyBaseFactory*>::iterator it = strategies.find(ext);
 		if (it == strategies.end()) {
-			LOG4CXX_WARN(log, L"No SongloadingStrategy found for file extension: '" << ext << L"'");
+			LOG4CXX_WARN(log, "No SongloadingStrategy found for file extension: '" << ext << "'");
 			throw NoStrategyException("Unknown file format.");
 		}
 
@@ -70,10 +70,10 @@ namespace usdx
 
 	Song* Songloader::load_song(Song* song)
 	{
-		std::wstring ext = extension(song->get_filename());
-		std::map<std::wstring, SongloadingStrategyBaseFactory*>::iterator it = strategies.find(ext);
+		std::string ext = extension(song->get_filename());
+		std::map<std::string, SongloadingStrategyBaseFactory*>::iterator it = strategies.find(ext);
 		if (it == strategies.end()) {
-			LOG4CXX_WARN(log, L"No SongloadingStrategy found for file extension: '" << ext << L"'");
+			LOG4CXX_WARN(log, "No SongloadingStrategy found for file extension: '" << ext << "'");
 			throw NoStrategyException("Unknown file format.");
 		}
 
diff --git a/src/base/songloading/songloader.hpp b/src/base/songloading/songloader.hpp
index ac18f41d..4b7150ab 100644
--- a/src/base/songloading/songloader.hpp
+++ b/src/base/songloading/songloader.hpp
@@ -50,7 +50,7 @@ namespace usdx
 
 		Songloader(void);
 
-		std::map<std::wstring, SongloadingStrategyBaseFactory*> strategies;
+		std::map<std::string, SongloadingStrategyBaseFactory*> strategies;
 
 		/**
 		 * Singleton
diff --git a/src/base/songloading/songloading_strategy_base_factory.cpp b/src/base/songloading/songloading_strategy_base_factory.cpp
index 9f8333b4..7b61ce9c 100644
--- a/src/base/songloading/songloading_strategy_base_factory.cpp
+++ b/src/base/songloading/songloading_strategy_base_factory.cpp
@@ -29,12 +29,12 @@
 
 namespace usdx
 {
-	SongloadingStrategyBaseFactory::SongloadingStrategyBaseFactory(std::wstring fileextension) : fileextension(fileextension)
+	SongloadingStrategyBaseFactory::SongloadingStrategyBaseFactory(std::string fileextension) : fileextension(fileextension)
 	{
 		Songloader::get_instance()->add_strategy(this);
 	}
 
-	std::wstring SongloadingStrategyBaseFactory::get_fileextension(void)
+	std::string SongloadingStrategyBaseFactory::get_fileextension(void)
 	{
 		return fileextension;
 	}
diff --git a/src/base/songloading/songloading_strategy_base_factory.hpp b/src/base/songloading/songloading_strategy_base_factory.hpp
index ae20b1ce..57eff0fb 100644
--- a/src/base/songloading/songloading_strategy_base_factory.hpp
+++ b/src/base/songloading/songloading_strategy_base_factory.hpp
@@ -41,14 +41,14 @@ namespace usdx
 		/// no copy
 		void operator=(SongloadingStrategyBaseFactory&) {};
 
-		std::wstring fileextension;
+		std::string fileextension;
 
 	public:
-		SongloadingStrategyBaseFactory(std::wstring fileextension);
+		SongloadingStrategyBaseFactory(std::string fileextension);
 		virtual ~SongloadingStrategyBaseFactory(void) {};
 
 		virtual SongloadingStrategy *get_songloader(void) = 0;
-		std::wstring get_fileextension(void);
+		std::string get_fileextension(void);
 	};
 };
 
diff --git a/src/base/songloading/songloading_strategy_txt.cpp b/src/base/songloading/songloading_strategy_txt.cpp
index b80289ee..a7d296a5 100644
--- a/src/base/songloading/songloading_strategy_txt.cpp
+++ b/src/base/songloading/songloading_strategy_txt.cpp
@@ -32,7 +32,6 @@
 #include <boost/algorithm/string.hpp>
 
 #include "songloading_strategy_txt.hpp"
-#include "utils/unicode_file.hpp"
 #include "utils/locale_independent_float.hpp"
 
 namespace usdx
@@ -49,16 +48,16 @@ namespace usdx
 	{
 	}
 
-	std::pair<std::wstring, std::wstring> SongloadingStrategyTxt::split_header_field(std::wstring &line)
+	std::pair<std::string, std::string> SongloadingStrategyTxt::split_header_field(std::string &line)
 	{
-		std::size_t pos = line.find(L':');
+		std::size_t pos = line.find(':');
 
-		if (line[0] != L'#' || pos == std::wstring::npos) {
-			LOG4CXX_DEBUG(log, L"Tried to parse invalid header line: '" << line << L"'");
+		if (line[0] != '#' || pos == std::string::npos) {
+			LOG4CXX_DEBUG(log, "Tried to parse invalid header line: '" << line << "'");
 			throw "Invalid header!";
 		}
 
-		std::pair<std::wstring, std::wstring> result;
+		std::pair<std::string, std::string> result;
 
 		// copy the substring until ':', without # to result.first and
 		// transform to upper case
@@ -74,16 +73,16 @@ namespace usdx
 		// line is already rtrimmed
 		boost::trim_left(result.second);
 
-		LOG4CXX_DEBUG(log, L"Found header: '" << result.first << L"' with value '" << result.second << L"'");
+		LOG4CXX_DEBUG(log, "Found header: '" << result.first << "' with value '" << result.second << "'");
 
 		return result;
 	}
 
 	Song* SongloadingStrategyTxt::load_song(Song *song)
 	{
-		LOG4CXX_DEBUG(log, L"Starting loading song from file: " << song->get_filename());
+		LOG4CXX_DEBUG(log, "Starting loading song from file: " << song->get_filename());
 
-		UnicodeFile file(song->get_filename());
+		TextFile file(song->get_filename());
 
 		int line_number = 0;
 		while (file.stream().good() && parse_line(song, file, ++line_number));
@@ -93,52 +92,52 @@ namespace usdx
 		return song;
 	}
 
-	bool SongloadingStrategyTxt::parse_line(Song* song, UnicodeFile& file, const int line_number)
+	bool SongloadingStrategyTxt::parse_line(Song* song, TextFile& file, const int line_number)
 	{
 		try {
-			std::wstring line;
+			std::string line;
 			std::getline(file.stream(), line);
 
-			wchar_t type;
-			std::wistringstream linestream(line);
+			char type;
+			std::istringstream linestream(line);
 			linestream >> std::skipws >> type;
 
-			if (type == L'#') {
+			if (type == '#') {
 				// ignore, header already read
 			}
-			else if (type == L'E') {
+			else if (type == 'E') {
 				// song end
 				if (file.stream().eof()) {
-					LOG4CXX_WARN(log, L"End marker found in line " << line_number <<
-						     L" before end of file: '" << song->get_filename() << L"'.");
+					LOG4CXX_WARN(log, "End marker found in line " << line_number <<
+						     " before end of file: '" << song->get_filename() << "'.");
 				}
 
 				return false;
 			}
-			else if (type == L'-') {
+			else if (type == '-') {
 				parse_newline(song, linestream, line_number);
 			}
-			else if (type == L'B') {
+			else if (type == 'B') {
 				parse_bpm(song, linestream, line_number);
 			}
-			else if (type == L':' || type == L'F' || type == L'*') {
+			else if (type == ':' || type == 'F' || type == '*') {
 				parse_note(song, type, linestream, line_number);
 			}
 			else {
-				LOG4CXX_WARN(log, L"Unknown line in song: '" << line <<
-					L"' in file: " << song->get_filename() <<
-					     L" at line " << line_number);
+				LOG4CXX_WARN(log, "Unknown line in song: '" << line <<
+					"' in file: " << song->get_filename() <<
+					     " at line " << line_number);
 			}
 		}
 		catch (std::exception &e) {
-			LOG4CXX_WARN(log, L"Error in song file at line " <<
-				     line_number << L": " << e.what());
+			LOG4CXX_WARN(log, "Error in song file at line " <<
+				     line_number << ": " << e.what());
 		}
 
 		return true;
 	}
 
-	void SongloadingStrategyTxt::parse_newline(Song *song, std::wistringstream& linestream, const int line_number)
+	void SongloadingStrategyTxt::parse_newline(Song *song, std::istringstream& linestream, const int line_number)
 	{
 		// line break
 		int line_out, line_in = -1;
@@ -146,54 +145,54 @@ namespace usdx
 		linestream >> line_out;
 		if (linestream.good()) {
 			linestream >> line_in;
-			LOG4CXX_DEBUG(log, L"Found newline in line " <<
-				      line_number << L" with out of last line with " <<
-				      line_out << L" and in of next line " << line_in);
+			LOG4CXX_DEBUG(log, "Found newline in line " <<
+				      line_number << " with out of last line with " <<
+				      line_out << " and in of next line " << line_in);
 		}
 		else {
-			LOG4CXX_DEBUG(log, L"Found newline in line " <<
-				      line_number << L" with out of last line with " <<
+			LOG4CXX_DEBUG(log, "Found newline in line " <<
+				      line_number << " with out of last line with " <<
 				      line_out);
 		}
 
 		song->new_line(line_out, line_in);
 	}
 
-	void SongloadingStrategyTxt::parse_bpm(Song *song, std::wistringstream& linestream, const int line_number)
+	void SongloadingStrategyTxt::parse_bpm(Song *song, std::istringstream& linestream, const int line_number)
 	{
 		// new bpm
 		int beat;
 		LocaleIndependentFloat new_bpm;
 
 		linestream >> beat >> new_bpm;
-		LOG4CXX_DEBUG(log, L"Found new bpm in line " <<
-			      line_number << L" starting at beat: " <<
-			      beat << L" and new bpm of " << new_bpm.get_value());
+		LOG4CXX_DEBUG(log, "Found new bpm in line " <<
+			      line_number << " starting at beat: " <<
+			      beat << " and new bpm of " << new_bpm.get_value());
 		song->new_bpm(beat, new_bpm.get_value());
 	}
 
-	void SongloadingStrategyTxt::parse_note(Song *song, wchar_t type, std::wistringstream& linestream, const int line_number)
+	void SongloadingStrategyTxt::parse_note(Song *song, char type, std::istringstream& linestream, const int line_number)
 	{
 		// normal line
 		int beat, length, height;
-		std::wstring lyric;
+		std::string lyric;
 
 		linestream >> beat >> length >> height >> std::noskipws;
 		linestream.ignore();
 		getline(linestream, lyric);
 		boost::trim_right_if(lyric, boost::is_cntrl());
 
-		LOG4CXX_DEBUG(log, L"Found lyric: '" << lyric << L"' at line: " << line_number <<
-			      L" at beat: " << beat << L" with length: " << length <<
-			      L" at height: " << height);
+		LOG4CXX_DEBUG(log, "Found lyric: '" << lyric << "' at line: " << line_number <<
+			      " at beat: " << beat << " with length: " << length <<
+			      " at height: " << height);
 		song->new_note(type, beat, length, height, lyric);
 	}
 
 	Song* SongloadingStrategyTxt::load_header(const boost::filesystem::wpath& filename)
 	{
-		UnicodeFile file(filename);
-		std::wstring line;
-		std::map<std::wstring, std::wstring> header_fields;
+		TextFile file(filename);
+		std::string line;
+		std::map<std::string, std::string> header_fields;
 
 		bool header = true, notes_found = false;
 		while (file.stream().good()) {
@@ -201,9 +200,9 @@ namespace usdx
 
 			boost::trim(line);
 			boost::trim_if(line, boost::is_cntrl());
-			LOG4CXX_DEBUG(log, L"Line: " << line);
+			LOG4CXX_DEBUG(log, "Line: " << line);
 
-			if (header && line[0] == L'#') {
+			if (header && line[0] == '#') {
 
 				// header
 				header_fields.insert(split_header_field(line));
@@ -214,7 +213,7 @@ namespace usdx
 					header = false;
 				}
 
-				if (line[0] == L':' || line[0] == L'*' || line[0] == L'F') {
+				if (line[0] == ':' || line[0] == '*' || line[0] == 'F') {
 					notes_found = true;
 					break;
 				}
@@ -222,7 +221,7 @@ namespace usdx
 		}
 
 		if (! notes_found) {
-			LOG4CXX_WARN(log, L"Song: '" << filename  << L"' has no notes. Ignoring!");
+			LOG4CXX_WARN(log, "Song: '" << filename  << "' has no notes. Ignoring!");
 			throw "No notes.";
 		}
 
diff --git a/src/base/songloading/songloading_strategy_txt.hpp b/src/base/songloading/songloading_strategy_txt.hpp
index 6177a5d3..293c65e6 100644
--- a/src/base/songloading/songloading_strategy_txt.hpp
+++ b/src/base/songloading/songloading_strategy_txt.hpp
@@ -32,7 +32,7 @@
 #include <log4cxx/logger.h>
 #include "songloading_strategy.hpp"
 #include "songloading_strategy_factory.hpp"
-#include "utils/unicode_file.hpp"
+#include "utils/text_file.hpp"
 
 namespace usdx
 {
@@ -44,21 +44,21 @@ namespace usdx
 		/**
 		 * Split the header field in name and value.
 		 */
-		std::pair<std::wstring, std::wstring> split_header_field(std::wstring &line);
+		std::pair<std::string, std::string> split_header_field(std::string &line);
 
-		bool parse_line(Song* song, UnicodeFile& file, const int line_number);
-		void parse_newline(Song* song, std::wistringstream& linestream, const int line_number);
-		void parse_bpm(Song* song, std::wistringstream& linestream, const int line_number);
-		void parse_note(Song* song, wchar_t type, std::wistringstream& linestream, const int line_number);
+		bool parse_line(Song* song, TextFile& file, const int line_number);
+		void parse_newline(Song* song, std::istringstream& linestream, const int line_number);
+		void parse_bpm(Song* song, std::istringstream& linestream, const int line_number);
+		void parse_note(Song* song, char type, std::istringstream& linestream, const int line_number);
 
 	public:
 		SongloadingStrategyTxt();
 		virtual ~SongloadingStrategyTxt();
 
 		virtual Song* load_song(Song* song);
-		virtual Song* load_header(const boost::filesystem::wpath& filename);
+		virtual Song* load_header(const boost::filesystem::path& filename);
 
-		static std::wstring get_fileextension(void) { return L".txt"; };
+		static std::string get_fileextension(void) { return ".txt"; };
 	};
 
 	REGISTER_SONGLOADING_STRATEGY(SongloadingStrategyTxt);
diff --git a/src/base/songloading/songloading_strategy_xml.hpp b/src/base/songloading/songloading_strategy_xml.hpp
index 38637646..17ccd034 100644
--- a/src/base/songloading/songloading_strategy_xml.hpp
+++ b/src/base/songloading/songloading_strategy_xml.hpp
@@ -42,7 +42,7 @@ namespace usdx
 		virtual Song* load_song(Song* song);
 		virtual Song* load_header(const boost::filesystem::wpath& filename);
 
-		static std::wstring get_fileextension(void) { return L".xml"; };
+		static std::string get_fileextension(void) { return ".xml"; };
 	};
 
 	REGISTER_SONGLOADING_STRATEGY(SongloadingStrategyXml);
diff --git a/src/base/stats.hpp b/src/base/stats.hpp
index d6bb48ad..b3068024 100644
--- a/src/base/stats.hpp
+++ b/src/base/stats.hpp
@@ -69,7 +69,7 @@ namespace usdx
 		/**
 		 * TODO
 		 */
-		static int get_count(std::wstring query);
+		static int get_count(std::string query);
 
 	public:
 		/**
@@ -111,27 +111,27 @@ namespace usdx
 	class StatResultBestScores : public Stats
 	{
 	private:
-		std::wstring singer;
+		std::string singer;
 		unsigned short score;
 		unsigned short difficulty;
-		std::wstring song_artist;
-		std::wstring song_title;
+		std::string song_artist;
+		std::string song_title;
 		time_t date;
 
 		StatResultBestScores *next;
 
 		StatResultBestScores(
-			wchar_t *singer,
+			char *singer,
 			unsigned short score,
 			unsigned short difficulty,
-			wchar_t* song_artist,
-			wchar_t* song_title,
+			char* song_artist,
+			char* song_title,
 			time_t date);
 	public:
 		/**
 		 * TODO
 		 */
-		StatResultBestScores(wchar_t* song_artist, wchar_t* song_title);
+		StatResultBestScores(char* song_artist, char* song_title);
 
 		~StatResultBestScores(void);
 
@@ -145,12 +145,12 @@ namespace usdx
 	class StatResultBestSingers : public Stats
 	{
 	private:
-		std::wstring singer;
+		std::string singer;
 		unsigned short average_score;
 
 		StatResultBestSingers *next;
 
-		StatResultBestSingers(wchar_t *singer, unsigned short average_score);
+		StatResultBestSingers(char *singer, unsigned short average_score);
 	public:
 		~StatResultBestSingers(void);
 
@@ -164,13 +164,13 @@ namespace usdx
 	class StatResultMostSungSong : public Stats
 	{
 	private:
-		std::wstring song_artist;
-		std::wstring song_title;
+		std::string song_artist;
+		std::string song_title;
 		unsigned short times_sung;
 
 		StatResultMostSungSong *next;
 
-		StatResultMostSungSong(wchar_t* song_artist, wchar_t* song_title, unsigned short times_sung);
+		StatResultMostSungSong(char* song_artist, char* song_title, unsigned short times_sung);
 	public:
 		~StatResultMostSungSong(void);
 
@@ -184,12 +184,12 @@ namespace usdx
 	class StatResultMostSungBand : public Stats
 	{
 	private:
-		std::wstring song_artist;
+		std::string song_artist;
 		unsigned short times_sung;
 
 		StatResultMostSungBand *next;
 
-		StatResultMostSungBand(wchar_t* song_artist, unsigned short times_sung);
+		StatResultMostSungBand(char* song_artist, unsigned short times_sung);
 	public:
 		~StatResultMostSungBand(void);
 
diff --git a/src/base/texture.cpp b/src/base/texture.cpp
index 1b9ed970..ee26a5c8 100644
--- a/src/base/texture.cpp
+++ b/src/base/texture.cpp
@@ -41,12 +41,12 @@ namespace usdx
 
 		// // Check that the image dimensions are a power of 2
 		// if ((image.get_surface()->w & (image.get_surface()->w - 1)) != 0 ) {
-		// 	LOG4CXX_ERROR(log, L"" << filename << L" has a width of " << image.get_surface()->w << L" that is not a power of 2");
+		// 	LOG4CXX_ERROR(log, "" << filename << " has a width of " << image.get_surface()->w << " that is not a power of 2");
 		// 	throw TextureSizeException(size);
 		// }
 
 		// if ((image.get_surface()->h & (image.get_surface()->h - 1)) != 0 ) {
-		// 	LOG4CXX_ERROR(log, L"" << filename << L" has a height of " << image.get_surface()->h << L" that is not a power of 2");
+		// 	LOG4CXX_ERROR(log, "" << filename << " has a height of " << image.get_surface()->h << " that is not a power of 2");
 		// 	throw TextureSizeException(size);
 		// }
 
@@ -73,7 +73,7 @@ namespace usdx
 			break;
 
 		default:
-			LOG4CXX_ERROR(log, L"" << filename << L" is not in true color! Could not handle that!");
+			LOG4CXX_ERROR(log, "" << filename << " is not in true color! Could not handle that!");
 			throw TextureColorDepthException(image.get_surface()->format->BytesPerPixel);
 		}
 
diff --git a/src/frames/loading_frame.cpp b/src/frames/loading_frame.cpp
index cf1f0382..afaa7d0b 100644
--- a/src/frames/loading_frame.cpp
+++ b/src/frames/loading_frame.cpp
@@ -30,12 +30,15 @@
 
 namespace usdx
 {
+	log4cxx::LoggerPtr LoadingFrame::log =
+		log4cxx::Logger::getLogger("usdx.frames.loading_frame");
+
 	LoadingFrame::LoadingFrame() :
 		Frame(NULL)
 	{
 //		RgbColor background(100, 100, 100);
 //		set_background(new FrameBackgroundColor(background));
-		set_background(new FrameBackgroundImage(L"game/themes/Deluxe/[bg-load]blue.jpg"));
+		set_background(new FrameBackgroundImage("game/themes/Deluxe/[bg-load]blue.jpg"));
 	}
 
 	LoadingFrame::~LoadingFrame()
diff --git a/src/frames/loading_frame.hpp b/src/frames/loading_frame.hpp
index cf8864e4..5ddf0bf4 100644
--- a/src/frames/loading_frame.hpp
+++ b/src/frames/loading_frame.hpp
@@ -28,11 +28,15 @@
 #define LOADING_FRAME_HPP
 
 #include "frame.hpp"
+#include <log4cxx/logger.h>
 
 namespace usdx
 {
 	class LoadingFrame : public Frame
 	{
+	private:
+		static log4cxx::LoggerPtr log;
+
 	public:
 		LoadingFrame();
 		virtual ~LoadingFrame();
diff --git a/src/menu/application.cpp b/src/menu/application.cpp
index 089388c0..37e532a2 100644
--- a/src/menu/application.cpp
+++ b/src/menu/application.cpp
@@ -119,7 +119,7 @@ namespace usdx
 			repaint();
 			SDL_GL_SwapBuffers();
 
-			LOG4CXX_TRACE(log, L"repaint");
+			LOG4CXX_TRACE(log, "repaint");
 
 			// poll current events
 			while (event_manager.available() && SDL_PollEvent(&event)) {
@@ -185,7 +185,7 @@ namespace usdx
 		}
 
 		if (! display) {
-			LOG4CXX_ERROR(log, L"SDL_SetVideoMode failed.");
+			LOG4CXX_ERROR(log, "SDL_SetVideoMode failed.");
 			throw new std::exception();
 		}
 
diff --git a/src/menu/event_manager.cpp b/src/menu/event_manager.cpp
index 6d607e6d..8f09f202 100644
--- a/src/menu/event_manager.cpp
+++ b/src/menu/event_manager.cpp
@@ -100,7 +100,7 @@ namespace usdx
 
 			switch (event.type) {
 			case SDL_KEYDOWN:
-				LOG4CXX_ERROR(log, L"key");
+				LOG4CXX_ERROR(log, "key");
 				break;
 
 			case SDL_MOUSEMOTION:
diff --git a/src/menu/software_mouse_pointer.cpp b/src/menu/software_mouse_pointer.cpp
index 1723ce9b..c0787e05 100644
--- a/src/menu/software_mouse_pointer.cpp
+++ b/src/menu/software_mouse_pointer.cpp
@@ -72,8 +72,8 @@ namespace usdx
 		this->texture[6] = 0.0f;
 		this->texture[7] = 0.0f;
 
-		texture_normal = new Texture(L"game/themes/Deluxe/interface/cursor.png");
-		texture_pressed = new Texture(L"game/themes/Deluxe/interface/cursor_pressed.png");
+		texture_normal = new Texture("game/themes/Deluxe/interface/cursor.png");
+		texture_pressed = new Texture("game/themes/Deluxe/interface/cursor_pressed.png");
 
 		mouse_move_connection = event_manager->mouse_move.connect(
 			boost::bind(&SoftwareMousePointer::on_mouse_move, this, _1, _2));
diff --git a/src/utils/locale_independent_float.cpp b/src/utils/locale_independent_float.cpp
index 606ec998..e0015cee 100644
--- a/src/utils/locale_independent_float.cpp
+++ b/src/utils/locale_independent_float.cpp
@@ -38,7 +38,7 @@ namespace usdx
 	{
 	}
 
-	LocaleIndependentFloat::LocaleIndependentFloat(std::wstring& value)
+	LocaleIndependentFloat::LocaleIndependentFloat(std::string& value)
 	{
 		this->operator=(value);
 	}
@@ -65,27 +65,27 @@ namespace usdx
 		return *this;
 	}
 
-	LocaleIndependentFloat& LocaleIndependentFloat::operator= (std::wstring& value)
+	LocaleIndependentFloat& LocaleIndependentFloat::operator= (std::string& value)
 	{
-		std::size_t found = value.find(L',');
-		if (found != std::wstring::npos) {
-			value[found] = L'.';
+		std::size_t found = value.find(',');
+		if (found != std::string::npos) {
+			value[found] = '.';
 		}
 
-		std::wistringstream str(value);
+		std::istringstream str(value);
 		str >> this->value;
 
 		return *this;
 	}
 
-	std::wistream& operator>> (std::wistream& is, LocaleIndependentFloat& float_value)
+	std::istream& operator>> (std::istream& is, LocaleIndependentFloat& float_value)
 	{
 		return is >> &float_value;
 	}
 
-	std::wistream& operator>> (std::wistream& is, LocaleIndependentFloat* float_value)
+	std::istream& operator>> (std::istream& is, LocaleIndependentFloat* float_value)
 	{
-		std::wstring str_value;
+		std::string str_value;
 		is >> str_value;
 
 		*float_value = str_value;
diff --git a/src/utils/locale_independent_float.hpp b/src/utils/locale_independent_float.hpp
index f3674695..82801868 100644
--- a/src/utils/locale_independent_float.hpp
+++ b/src/utils/locale_independent_float.hpp
@@ -37,7 +37,7 @@ namespace usdx
 		float value;
 	public:
 		LocaleIndependentFloat();
-		LocaleIndependentFloat(std::wstring& value);
+		LocaleIndependentFloat(std::string& value);
 
 		virtual ~LocaleIndependentFloat();
 
@@ -46,11 +46,11 @@ namespace usdx
 
 		LocaleIndependentFloat& operator= (const LocaleIndependentFloat& value);
 		LocaleIndependentFloat& operator= (const float& vaule);
-		LocaleIndependentFloat& operator= (std::wstring& vaule);
+		LocaleIndependentFloat& operator= (std::string& vaule);
 	};
 
-	std::wistream& operator>> (std::wistream& is, LocaleIndependentFloat& float_value);
-	std::wistream& operator>> (std::wistream& is, LocaleIndependentFloat* float_value);
+	std::istream& operator>> (std::istream& is, LocaleIndependentFloat& float_value);
+	std::istream& operator>> (std::istream& is, LocaleIndependentFloat* float_value);
 
 };
 
diff --git a/src/utils/unicode_file.cpp b/src/utils/text_file.cpp
index c47bfd36..b84c667f 100644
--- a/src/utils/unicode_file.cpp
+++ b/src/utils/text_file.cpp
@@ -24,7 +24,7 @@
  * $Id$
  */
 
-#include "unicode_file.hpp"
+#include "text_file.hpp"
 #include <string>
 #include <locale>
 
@@ -32,31 +32,31 @@
 
 namespace usdx
 {
-	UnicodeFile::UnicodeFile(const std::string& filename) : file(filename.c_str(), std::wifstream::in)
+	TextFile::TextFile(const std::string& filename) : file(filename.c_str(), std::ifstream::in)
 	{
 		std::locale global_loc = std::locale();
 		std::locale loc(global_loc, new boost::program_options::detail::utf8_codecvt_facet());
 		file.imbue(loc);
 	}
 
-	UnicodeFile::UnicodeFile(const boost::filesystem::wpath& path) : file(path, std::wifstream::in)
+	TextFile::TextFile(const boost::filesystem::wpath& path) : file(path, std::wifstream::in)
 	{
 		std::locale global_loc = std::locale();
 		std::locale loc(global_loc, new boost::program_options::detail::utf8_codecvt_facet());
 		file.imbue(loc);
 	}
 
-	UnicodeFile::~UnicodeFile(void)
+	TextFile::~TextFile(void)
 	{
 		file.close();
 	}
 
-	boost::filesystem::wifstream &UnicodeFile::stream(void)
+	boost::filesystem::ifstream &TextFile::stream(void)
 	{
 		return file;
 	}
 
-	const std::streamsize UnicodeFile::get_filesize(void)
+	const std::streamsize TextFile::get_filesize(void)
 	{
 		std::streampos position = stream().tellg();
 
diff --git a/src/utils/unicode_file.hpp b/src/utils/text_file.hpp
index d135d796..b5249035 100644
--- a/src/utils/unicode_file.hpp
+++ b/src/utils/text_file.hpp
@@ -24,8 +24,8 @@
  * $Id$
  */
 
-#ifndef UNICODE_FILE_HPP
-#define UNICODE_FILE_HPP
+#ifndef TEXT_FILE_HPP
+#define TEXT_FILE_HPP
 
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/fstream.hpp>
@@ -33,17 +33,17 @@
 
 namespace usdx
 {
-	class UnicodeFile : public File
+	class TextFile : public File
 	{
 	private:
-		boost::filesystem::wifstream file;
+		boost::filesystem::ifstream file;
 
 	public:
-		UnicodeFile(const std::string& filename);
-		UnicodeFile(const boost::filesystem::wpath& path);
-		virtual ~UnicodeFile(void);
+		TextFile(const std::string& filename);
+		TextFile(const boost::filesystem::wpath& path);
+		virtual ~TextFile(void);
 
-		boost::filesystem::wifstream &stream(void);
+		boost::filesystem::ifstream &stream(void);
 		const std::streamsize get_filesize(void);
 	};
 };