Added option for audio manual.

.launch/FreeDoom.game

@@ -32,6 +32,58 @@ speak() {
     done
 }
 
+
+audio_manual() {
+    if command -v mpv &> /dev/null ; then
+        mediaPlayer=("mpv" "--really-quiet" "--no-video")
+    else
+        mediaPlayer=("play" "-qV0")
+    fi
+    local manualPath="${gamePath}/Manual"
+    declare -a menuList
+    for i in "${manualPath}"/*/ ; do
+        local path="${i%/}"
+        local name="${i/${manualPath}\//}"
+        local name="${name% *}"
+        menuList+=("$path" "$name")
+    done
+    manualPath="$(dialog --backtitle "Select a Manual" \
+        --clear \
+        --no-tags \
+        --menu "Please select one" 0 0 0 "${menuList[@]}" --stdout)"
+    [[ $? -ne 0 ]] && exit 0
+    # If user selected a manual, show the audio file menu
+    if [[ -n "$manualPath" ]]; then
+        declare -a audioList=("all" "Play All")  # Start with "All" option
+        # Add all mp3 files to the menu
+        while IFS= read -r file; do
+            local filename="${file##*/}"
+            local menuname="${filename%.mp3}"
+            audioList+=("$file" "$menuname")
+        done < <(find "$manualPath" -name "*.mp3" | sort)
+        local selection
+        selection="$(dialog --backtitle "Select Audio Track" \
+            --clear \
+            --no-tags \
+            --menu "Please select one" 0 0 0 "${audioList[@]}" --stdout)"
+        [[ $? -ne 0 ]] && exit 0
+        if [[ -n "$selection" ]]; then
+            if [[ "$selection" == "all" ]]; then
+                # Play all files in order
+                find "$manualPath" -name "*.mp3" -print0 | sort -z | \
+                    while IFS= read -r -d '' file; do
+                        "${mediaPlayer[@]}" "$file"
+                    done
+            else
+                # Play selected file
+                "${mediaPlayer[@]}" "$selection"
+                return
+            fi
+        fi
+    fi
+}
+
+
 # Dialog setup:
 DIALOG_ITEM_HELP=""
 export DIALOGOPTS='--no-lines --visit-items'
@@ -180,6 +232,8 @@ if [[ "$doomLanguage" != "en" ]]; then
     init_translation_db
 fi
 
+doomGames+=("manual" "Audio Manual")
+while [[ -z "${gameOption}" ]] || [[ "${gameOption}" == "manual" ]]; do
     gameOption="$(dialog --backtitle "Select your Doom!" \
             --clear \
             --no-tags \
@@ -191,6 +245,10 @@ gameOption="$(dialog --backtitle "Select your Doom!" \
             --help-label "Exit" \
             --menu "Please select one" 0 0 0 "${doomGames[@]}" --stdout)"
     buttonCode=$?
+    if [[ "${gameOption}" == "manual" ]]; then
+        audio_manual
+    fi
+done
 if [[ -e "${gamePath}/DoomMetalVol7.wad" ]]; then
     gameOption+=" DoomMetalVol7.wad"
 elif [[ -e "${gamePath}/DoomMetalVol6.wad" ]]; then