# BIG DOG — greeting and optional autostart.
#
# Autostart is OFF by default. A game that starts on its own and then does not
# release the console leaves a first-time visitor with no way back to a shell
# except reloading the tab. Booting to a prompt cannot strand anyone.
#
#   touch /home/.autostart     turn autostart on
#   rm /home/.autostart        turn it off again
#
# Why this file and not /etc/rc.local or /etc/profile: pid 1 IS bash (the
# kernel cmdline says init=/bin/bash), so no init system runs an rc.local, and
# bash starts interactive but NOT as a login shell, so /etc/profile is never
# read. Both were tested, not assumed. HOME is "/", so this file is $HOME/.bashrc.
if [ -f /home/.autostart ] && [ -z "$BIGDOG_STARTED" ]; then
    export BIGDOG_STARTED=1
    echo "Starting BIG DOG in 3s - press ENTER for a shell instead."
    if read -t 3 -r _; then
        echo "Skipped."
    else
        bigdog
    fi
fi

echo ""
echo "  BIG DOG - a winged bulldog, drawn by a compiled renderer."
echo ""
echo "    bigdog         play it"
echo "    bigdog-demo    watch it fly itself"
echo ""
echo "  Type one of those HERE, in the console pane."
echo "  Then CLICK THE SCREEN PANE and press SPACE or W to flap, Q to quit."
echo "  Keys go to the Screen pane, not this one - the game reads the display's"
echo "  own keyboard (/dev/input/event0), because reading this console needs a"
echo "  tty ioctl that hangs on this kernel."
echo ""
echo "  The IN counter on screen shows keypresses received. If it stays at 0,"
echo "  the Screen pane does not have focus."
echo ""