diff --git a/patcher.sh b/patcher.sh
index 28802f4..3923b08 100755
--- a/patcher.sh
+++ b/patcher.sh
@@ -1,33 +1,24 @@
 #!/bin/bash
 
-# exit on any error to avoid showing everything was successfull even tho it wasnt
 set -e
 
 VERSION="15_5"
-OUTPUT="am2r_"${VERSION}
-INPUT=""
+OUTPUT="am2r_${VERSION}"
+DATA_FOLDER="data"
+DOWNLOADS_DIR="$HOME/storage/downloads"
+HQ_MUSIC_URL="https://github.com/izzy2fancy/AM2R-Autopatcher-Android/releases/download/2.0/HDR_HQ_in-game_music.zip"
 
-# Cleanup in case the dirs exists 
-if [ -d "$OUTPUT" ]; then
-    rm -r ${OUTPUT}
-fi
+cleanup_directories() {
+    local directories=("assets" "AM2RWrapper" "$DATA_FOLDER" "HDR_HQ_in-game_music")
+    for dir in "${directories[@]}"; do
+        if [ -d "$dir" ]; then
+            rm -rf "$dir"
+        fi
+    done
+    rm -rf data.zip HDR_HQ_in-game_music.zip
+}
 
-if [ -d "assets/" ]; then
-    rm -rf assets/
-fi
-
-if [ -d "AM2RWrapper/" ]; then
-    rm -rf AM2RWrapper/
-fi
-
-if [ -d "data/" ]; then
-    rm -rf data/
-fi
-if [ -d "HDR_HQ_in-game_music/" ]; then
-    rm -rf HDR_HQ_in-game_music
-fi
-    rm -rf data.zip
-    rm -rf HDR_HQ_in-game_music.zip
+cleanup_directories
 
 echo "-------------------------------------------"
 echo ""
@@ -37,47 +28,42 @@ echo "Updated by izzy2fancy"
 echo ""
 echo "-------------------------------------------"
 
-#install dependencies
+# Install dependencies
 yes | pkg install termux-am zip unzip xdelta3
 yes | termux-setup-storage
 
-#check if apkmod is instaled, if not install it. I only use this for signing 'cause it's the only way I found this to work
+# Check and install apkmod if not installed
 if ! [ -f /data/data/com.termux/files/usr/bin/apkmod ]; then
     wget https://raw.githubusercontent.com/Hax4us/Apkmod/master/setup.sh
     bash setup.sh
     rm -f setup.sh
 fi
 
-#Download Data Folder
+# Download Data Folder
 wget -r -np -nH --cut-dirs=2 -R "index.html*" "https://github.com/izzy2fancy/AM2R-Autopatcher-Android/tree/main/data"
 
-#check for AM2R_11.zip in downloads
-if [ -f ~/storage/downloads/AM2R_11.zip ]; then
-    echo "AM2R_11.zip found! Extracting to ${OUTPUT}"
-    #extract the content to the am2r_xx folder
-    unzip -q ~/storage/downloads/AM2R_11.zip -d "${OUTPUT}"
-else
+# Check for AM2R_11.zip in downloads
+if [ ! -f "$DOWNLOADS_DIR/AM2R_11.zip" ]; then
     echo -e "\033[0;31mAM2R_11 not found. Place AM2R_11.zip (case sensitive) into your Downloads folder and try again."
     echo -e "\033[1;37m"
     exit -1
 fi
 
+echo "AM2R_11.zip found! Extracting to ${OUTPUT}"
+unzip -q "$DOWNLOADS_DIR/AM2R_11.zip" -d "$OUTPUT"
+
 echo "Applying Android patch..."
-xdelta3 -dfs "${OUTPUT}"/data.win data/droid.xdelta  "${OUTPUT}"/game.droid
-#cp data/android/AM2RWrapper.apk utilities/android/
+xdelta3 -dfs "${OUTPUT}/data.win" "${DATA_FOLDER}/droid.xdelta" "${OUTPUT}/game.droid"
 
-#delete unnecessary files
-rm "${OUTPUT}"/D3DX9_43.dll "${OUTPUT}"/AM2R.exe "${OUTPUT}"/data.win 
+# Delete unnecessary files
+rm "${OUTPUT}/D3DX9_43.dll" "${OUTPUT}/AM2R.exe" "${OUTPUT}/data.win" 
 
-#cp -RTp "${OUTPUT}"/ utilities/android/assets/
-if [ -f data/android/AM2R.ini ]; then
-    cp -p data/android/AM2R.ini "${OUTPUT}"/
+if [ -f "${DATA_FOLDER}/android/AM2R.ini" ]; then
+    cp -p "${DATA_FOLDER}/android/AM2R.ini" "$OUTPUT/"
 fi
 
-
 # Music
-#mkdir -p utilities/android/assets/lang
-cp data/files_to_copy/*.ogg "${OUTPUT}"/
+cp "${DATA_FOLDER}/files_to_copy/"*.ogg "$OUTPUT/"
 
 echo ""
 echo -e "\033[0;32mInstall high quality in-game music? Increases filesize by 230 MB and may lag the game\!"
@@ -89,55 +75,40 @@ echo ""
 
 if [ "$INPUT" = "y" ]; then
     echo "Downloading HQ music..."
-    wget https://github.com/izzy2fancy/AM2R-Autopatcher-Android/releases/download/2.0/HDR_HQ_in-game_music.zip
-yes | unzip HDR_HQ_in-game_music.zip -d ./
+    wget "$HQ_MUSIC_URL"
+    yes | unzip HDR_HQ_in-game_music.zip -d ./
     echo "Copying HQ music..."
-    cp -f HDR_HQ_in-game_music/*.ogg "${OUTPUT}"/
+    cp -f HDR_HQ_in-game_music/*.ogg "$OUTPUT/"
     rm -rf HDR_HQ_in-game_music/
 fi
 
 echo "Updating lang folder..."
-#remove old lang
-rm -R "${OUTPUT}"/lang/
-#install new lang
-cp -RTp data/files_to_copy/lang/ "${OUTPUT}"/lang/
+rm -R "${OUTPUT}/lang/"
+cp -RTp "${DATA_FOLDER}/files_to_copy/lang/" "${OUTPUT}/lang/"
 
 echo "Renaming music to lowercase..."
-#I can't figure out a better way to mass rename files to lowercase
-#so zipping them without compression and extracting them as all lowercase it is
-#music needs to be all lowercase
 zip -0qr temp.zip "${OUTPUT}"/*.ogg
 rm "${OUTPUT}"/*.ogg
 unzip -qLL temp.zip
 rm temp.zip
 
 echo "Packaging APK..."
-#decompile the apk
-apkmod -d -i data/android/AM2RWrapper.apk -o AM2RWrapper
-#copy
-mv "${OUTPUT}" assets
+apkmod -d -i "${DATA_FOLDER}/android/AM2RWrapper.apk" -o AM2RWrapper
+mv "$OUTPUT" assets
 cp -Rp assets AM2RWrapper
-#edited yaml thing to not compress ogg's
-echo "Editing apktool.yml..."
 sed -i "s/doNotCompress:/doNotCompress:\n- ogg/" AM2RWrapper/apktool.yml
-#build
-# check if aapt2 exists, if not use aapt instead
 if [ -f /usr/bin/aapt2 ]; then
-    apkmod -r -i AM2RWrapper -o AM2R-"${VERSION}".apk
+    apkmod -r -i AM2RWrapper -o "AM2R-${VERSION}.apk"
 else
-    apkmod -a -r -i AM2RWrapper -o AM2R-"${VERSION}".apk
+    apkmod -a -r -i AM2RWrapper -o "AM2R-${VERSION}.apk"
 fi
-#Sign apk
-apkmod -s -i AM2R-"${VERSION}".apk -o AM2R-"${VERSION}"-signed.apk
+apkmod -s -i "AM2R-${VERSION}.apk" -o "AM2R-${VERSION}-signed.apk"
 
-# Cleanup
-rm -R assets/ AM2RWrapper/ data/ AM2R-"${VERSION}".apk
-
-# Move signed APK
-mv AM2R-"${VERSION}"-signed.apk ~/storage/downloads/AM2R-"${VERSION}"-signed.apk
+rm -R assets/ AM2RWrapper/ "$DATA_FOLDER" "AM2R-${VERSION}.apk"
+mv "AM2R-${VERSION}-signed.apk" "$DOWNLOADS_DIR/AM2R-${VERSION}-signed.apk"
 
 echo ""
 echo -e "\033[0;32mThe operation was completed successfully and the APK can be found in your Downloads folder as \"AM2R-${VERSION}-signed.apk\"."
 echo -e "\033[0;32mSee you next mission\!"
 echo -e "\033[1;37m"
-xdg-open ~/storage/downloads/AM2R-"${VERSION}"-signed.apk
+xdg-open "$DOWNLOADS_DIR/AM2R-${VERSION}-signed.apk"