diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e089473
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+tools/
+output/
\ No newline at end of file
diff --git a/hdiff/.keep b/hdiff/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/new.py b/new.py
new file mode 100644
index 0000000..6ce55bb
--- /dev/null
+++ b/new.py
@@ -0,0 +1,284 @@
+import os
+import shutil
+import zipfile
+import filecmp
+import subprocess
+from halo import Halo
+from progress.bar import PixelBar
+
+# don't question how optimised this is
+cwd = os.getcwd()
+path = lambda path: os.path.join(cwd, path)
+call = lambda args: subprocess.call(args, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
+spinner = Halo(text="spinner", spinner={'interval': 100, 'frames': ['◜', '◠', '◝', '◞', '◡', '◟']}, placement="right")
+
+def main():
+	# Extract tools on first launch
+	if not os.path.exists("tools"):
+		spinner.text = "Extracting tools for first launch"
+		spinner.start()
+		with zipfile.ZipFile(path("tools.zip"), "r") as zip:
+			zip.extractall(cwd)
+		os.remove(path("tools.zip"))
+		spinner.stop()
+
+	# Initial cleanup
+	if os.path.exists("temp"):
+		shutil.rmtree("temp")
+
+	if os.path.exists("output") and len(os.listdir("output")) > 0:
+		print("The output folder will be cleared when the program runs, press a key to continue or close this window")
+		os.system("pause >nul")
+		shutil.rmtree("output")
+
+	# Get all files to process
+	hdiff_files = [f for f in os.listdir("original") if f.endswith(".pck") and os.path.exists(f"hdiff/{f}.hdiff")]
+	alone_files = [f for f in os.listdir("original") if f.endswith(".pck") and not os.path.exists(f"hdiff/{f}.hdiff")]
+	files = [*hdiff_files, *alone_files]
+	print(f"{len(files)} file(s) to extract")
+	iteration = 0
+	
+	for file in files:
+		try:
+			iteration += 1
+			filename = file
+			if file in hdiff_files:
+				filename = f"{file.split('.')[0]}.hdiff.pck"
+			print(f"--- {filename} ({iteration}/{len(files)}) ---")
+
+			alone, steps, curr = False, 7, 1
+			if file in alone_files:
+				alone, steps = True, 4
+
+			######################################
+			### 1 - Extract original .pck file ###
+			######################################
+
+			# update files
+			if os.path.exists("temp"):
+				shutil.rmtree("temp")
+			os.makedirs(path("temp"), exist_ok=True)
+			shutil.copy(f"original/{file}", f"temp/{file}")
+
+			output_path = "original_decoded"
+			if alone:
+				output_path = "wem"
+
+			# prepare args
+			args = [
+				path("tools/quickbms/quickbms.exe"),
+				"-o",
+				"-Y",
+				path("tools/quickbms/wavescan.bms"),
+				path(f"temp/{file}"),
+				path(f"temp/{output_path}")
+			]
+
+			# update spinner and call program
+			spinner.text = f"[{curr}/{steps}] Extracting"
+			spinner.start()
+			call(args)
+			spinner.stop()
+			print(f"[{curr}/{steps}] Extracting")
+
+			if alone:
+				all_files = os.listdir(path("temp/wem"))
+
+			######################################
+			### 2 - Patch the .pck with .hdiff ###
+			######################################
+
+			if not alone:
+				curr += 1
+
+				# update files
+				shutil.copy(f"hdiff/{file}.hdiff", f"temp/{file}.hdiff")
+				shutil.move(f"temp/{file}", f"temp/{file.split('.')[0]}.original.pck")
+
+				# prepare args
+				args = [
+					path("tools/hpatchz/hpatchz.exe"),
+					"-f",
+					path(f"temp/{file.split('.')[0]}.original.pck"),
+					path(f"temp/{file}.hdiff"),
+					path(f"temp/{file}")
+				]
+
+				# update spinner and call program
+				spinner.text = f"[{curr}/{steps}] Patching"
+				spinner.start()
+				call(args)
+				spinner.stop()
+				print(f"[{curr}/{steps}] Patching")
+
+			#####################################
+			### 3 - Extract patched .pck file ###
+			#####################################
+
+			if not alone:
+				curr += 1
+
+				# prepare args
+				args = [
+					path("tools/quickbms/quickbms.exe"),
+					"-o",
+					"-Y",
+					path("tools/quickbms/wavescan.bms"),
+					path(f"temp/{file}"),
+					path(f"temp/patched_decoded")
+				]
+
+				# update spinner and call program
+				spinner.text = f"[{curr}/{steps}] Extracting patch"
+				spinner.start()
+				call(args)
+				spinner.stop()
+				print(f"[{curr}/{steps}] Extracting patch")
+
+				# cleanup useless files to save storage
+				os.remove(f"temp/{file}")
+				os.remove(f"temp/{file}.hdiff")
+				os.remove(f"temp/{file.split('.')[0]}.original.pck")
+
+			####################################
+			### 4 - Search new/changed files ###
+			####################################
+
+			if not alone:
+				curr += 1
+
+				# update spinner
+				spinner.text = f"[{curr}/{steps}] Filtering files"
+				spinner.start()
+
+				# compare folders
+				diff = filecmp.dircmp(path("temp/original_decoded"), path("temp/patched_decoded"))
+				new_files, changed_files = diff.right_only, diff.diff_files
+				all_files = [*new_files, *changed_files]
+
+				# merge files
+				os.makedirs(path("temp/wem"), exist_ok=True)
+
+				for file in all_files:
+					shutil.move(f"temp/patched_decoded/{file}", f"temp/wem/{file}")
+
+				# cleanup useless folders to save storage
+				shutil.rmtree("temp/original_decoded")
+				shutil.rmtree("temp/patched_decoded")
+
+				spinner.stop()
+				print(f"[{curr}/{steps}] Filtering files")
+
+			######################################
+			### 5 - Convert .wem files to .wav ###
+			######################################
+
+			curr += 1
+
+			# updates folders and progress bar
+			os.makedirs(path("temp/wav"), exist_ok=True)
+			bar = PixelBar(f"[{curr}/{steps}] Converting to wav ", max=len(all_files), suffix='%(percent).1f%% - %(eta)ds left')
+
+			# convert each file one by one
+			for file in all_files:
+				args = [
+					path("tools/vgmstream/vgmstream-cli.exe"),
+					"-o",
+					path(f"temp/wav/{file.split('.')[0]}.wav"),
+					path(f"temp/wem/{file}")
+				]
+
+				call(args)
+				bar.next()
+			bar.finish()
+
+			# cleanup
+			shutil.rmtree("temp/wem")
+
+			######################################
+			### 6 - Convert .wav files to .mp3 ###
+			######################################
+
+			curr += 1
+
+			# updates folders and progress bar
+			os.makedirs(path("temp/mp3"), exist_ok=True)
+			bar = PixelBar(f"[{curr}/{steps}] Converting to mp3 ", max=len(all_files), suffix='%(percent).1f%% - %(eta)ds left')
+
+			# update file list
+			all_files = [f"{f.split('.')[0]}.wav" for f in all_files]
+
+			# convert each file one by one
+			for file in all_files:
+				args = [
+					path("tools/ffmpeg/ffmpeg.exe"),
+					"-i",
+					path(f"temp/wav/{file}"),
+					"-acodec",
+					"libmp3lame",
+					"-b:a",
+					"192k",
+					path(f"temp/mp3/{file.split('.')[0]}.mp3"),
+				]
+
+				call(args)
+				bar.next()
+			bar.finish()
+
+			# cleanup
+			shutil.rmtree("temp/wav")
+
+			######################################################
+			### 7 - Clean everything and move result to output ###
+			######################################################
+
+			curr += 1
+
+			# update spinner
+			spinner.text = f"[{curr}/{steps}] Cleaning up"
+			spinner.start()
+
+			filename = filename.split('.')[0]
+
+			if not alone:
+				# update files list
+				new_files = [f"{f.split('.')[0]}.mp3" for f in new_files]
+				changed_files = [f"{f.split('.')[0]}.mp3" for f in changed_files]
+
+				# prepare folders 
+				os.makedirs(path(f"output/{filename}"), exist_ok=True)
+				os.makedirs(path("temp/new_files"), exist_ok=True)
+				os.makedirs(path("temp/changed_files"), exist_ok=True)
+
+				# split files into corresponding folder
+				for file in new_files:
+					shutil.move(f"temp/mp3/{file}", f"temp/new_files/{file}")
+
+				for file in changed_files:
+					shutil.move(f"temp/mp3/{file}", f"temp/changed_files/{file}")
+
+				# move them to output
+				final_path = f"output/{filename}"
+				shutil.move("temp/new_files", f"{final_path}/new_files")
+				shutil.move("temp/changed_files", f"{final_path}/changed_files")
+
+				# cleanup
+				shutil.rmtree("temp/mp3")
+			else:
+				# for no hdiff files
+				os.makedirs(path(f"output/{filename} (no hdiff)"), exist_ok=True)
+				shutil.move("temp/mp3", f"output/{filename} (no hdiff)")
+
+
+			spinner.stop()
+			print(f"[{curr}/{steps}] Cleaning up")
+		except Exception as e:
+			print("An error occured while processing this file ! Skipping to the next one, details of the error bellow :")
+			print(e)
+
+	# all files processed
+	shutil.rmtree("temp")
+	print("Done extracting everything !")
+
+if __name__ == "__main__":
+	main()
diff --git a/original/.keep b/original/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..b186656
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+halo==0.0.31
+progress==1.6