spam-right-click.sh

#!/bin/bash

INTERVAL=0.1s
BUTTON_CODE=3
TARGET_WINDOW="Minecraft"

CLICKS=0
RUNNING=true
START_TIMESTAMP="$(date +%s)"

trap finish INT

function finish() {
	echo "Quitting..."
	RUNNING=false
}

function update_status() {
	clear
	UPTIME=$(($(date +%s) - ${START_TIMESTAMP}))
	echo "Time since launch: ${UPTIME} seconds"
	echo "Sent ${CLICKS} clicks (${INTERVAL} interval)"
	echo "Press Ctrl+C to stop"
}

function check_window() {
	FOCUSED_WINDOW="$(xdotool getwindowfocus getwindowname)"

	if [[ $FOCUSED_WINDOW == *"$TARGET_WINDOW"* ]]; then
		return 0
	else
		return 1
	fi
}

function try_click() {
	if check_window; then
		CLICKS=$((${CLICKS} + 1))
		xdotool click --window "${TARGET_WINDOW}" ${BUTTON_CODE}
	fi

	sleep ${INTERVAL}
}

while ${RUNNING}; do
	update_status
	try_click
done

exit 0