MC Auto key tool

mc.sh

#!/bin/bash
export MOUSE_LEFT=1
export MOUSE_RIGHT=2

export KEY_ESCAPE=Escape

# Settings
export MC=$1
SCRIPT=$2

# GCs
export mouseholds=()

gc() {
    for i in "${mouseholds[@]}"
    do
        :
        # mouseup() will remove the item. However, the loop will not be
        # interrupted. Therefore, a check towards the original array
        # is always a good idea.
        if [[ ! " ${mouseholds[@]} " =~ " $1 " ]]; then
            echo GC: Releasing Mouse \'$i\'
            mouseup $i
        fi
    done
}
trap gc INT

# Setup APIs
_disablemouse() {
    xinput set-prop 12 "Device Enabled" 0
}

_enablemouse() {
    xinput set-prop 12 "Device Enabled" 1
}

mousedown() {
    xdotool mousedown --window $MC $1
    if [[ ! " ${mouseholds[@]} " =~ " $1 " ]]; then
        mouseholds+=($1)
    fi
    echo $mouseholds
}
export -f mousedown

mouseup() {
    xdotool mouseup --window $MC $1
    mouseholds=( "${mouseholds[@]/$1}" )
    echo $mouseholds
}
export -f mouseup

click() {
    xdotool click --window $MC $1
    mouseholds=( "${mouseholds[@]/$1}" )
}
export -f click

mousemove_relative() {
    xdotool mousemove_relative $1 $2 $3
}

windowfocus() {
    xdotool windowfocus $1
}
export -f windowfocus

key() {
    xdotool key --window $MC $1
}
export -f key

# Prepare mouse
eval $(xdotool getmouselocation --prefix X_ --shell)
# Switch to Minecraft
windowfocus $MC
# Resume game
key $MC $KEY_ESCAPE
# This is done instantly. Disable mouse to prevent from accidental moving
_disablemouse
# Move a little, or attacking will not work
mousemove_relative 1 1
mousemove_relative -- -1 -1
# Return
windowfocus $X_WINDOW
# xdotool mousemove $X_X $X_Y # Will cause mouse events fail. IDK why
_enablemouse
# End of Prepare mouse

# Execute script
source $2

# GC
gc