Renamed the menu. Added some dialog functions in preparation for moving to dialog.

game_functions.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+# Get the coluns and lines of the "screen"
+cols=$(tput cols)
+lines=$(tput lines)
+# Settings to improve accessibility of dialog.
+export DIALOGOPTS='--insecure --no-lines --visit-items'
+
+inputbox() {
+    # Returns: text entered by the user
+    # Args 1, Instructions for box.
+    # args: 2 initial text (optional)
+    dialog --backtitle "$(gettext "Enter text and press enter.")" \
+        --clear \
+        --inputbox "$1" 0 0 "$2" --stdout
+}
+
+msgbox() {
+# Returns: None
+# Shows the provided message on the screen with an ok button.
+dialog --clear --msgbox "$*" 10 72
+}
+
+infobox() {
+    # Returns: None
+    # Shows the provided message on the screen with no buttons.
+   local timeout=3 
+    dialog --infobox "$*" 0 0
+    read -n1 -t $timeout continue
+    # Clear any keypresses from the buffer
+    clear_buffer
+}
+
+yesno() {
+    # Returns: Yes or No
+    # Args: Question to user.
+    # Called  in if $(yesno) == "Yes"
+    # Or variable=$(yesno)
+    if dialog --clear --backtitle "$(gettext "Press 'Enter' for \"yes\" or 'Escape' for \"no\".")" --yesno "$*" 0 0 ; then 
+        echo "Yes"
+    else
+        echo "No"
+    fi
+}
+
+get_keypress() {
+    # Returnes the pressed key.
+    # There arre two ways to use this function.
+    # first way, get_keypress variableName
+    # Second way variableName="$(get_keypress)"
+    # This variable name is long to absolutely minimize possibility of collision.
+    local getKeypressFunctionReturnVariable=$1
+    local returnedKeypress
+    # Unset IFS to capture any key that is pressed.
+    local ifs="$IFS"
+    unset IFS
+    read -sn1 returnedKeypress
+    # Restore IFS
+    IFS="$ifs"
+    if [[ $getKeypressFunctionReturnVariable ]]; then
+        eval $getKeypressFunctionReturnVariable="'$returnedKeypress'"
+    else
+        echo "$returnedKeypress"
+    fi
+}
+
+menulist() {
+    # Args: menu options
+    # returns: selected option
+    # set gameMenu to control the message.
+    declare -a menuList
+    for i in $@ ; do
+        menuList+=("$i" "$i")
+    done
+    dialog --backtitle "${menuMessage:-Game menu...}" \
+        --clear \
+        --no-tags \
+        --menu "Please make your selection" 0 0 0 "${menuList[@]}" --stdout
+}
+
+numpicker() {
+    # Args: max number, Min numberr optional.
+    # returns: selected number
+    # set gameMenu to control the message.
+    declare -a menuList
+    local max=$1
+    local min=${2:-10}
+    for i in $(seq $min $max) ; do
+        menuList+=("$i" "$i")
+    done
+    dialog --backtitle "${menuMessage:-Numeric menu...}" \
+        --clear \
+        --no-tags \
+        --menu "Please select a number between $min and $max." 0 0 0 "${menuList[@]}" --stdout
+}