Minecraft java launch.sh

launch.sh

#!/usr/bin/env bash

check() {
	command -v "$1" >/dev/null 2>&1
}

notify() {
	if check notify-send; then
		notify-send "$@"
	else
		echo "$@"
	fi
}

check java || {
	notify "Java is not installed"
	exit 1
}

_recommended_java="liberica-jdk-17-full"
_current_java="$(archlinux-java get)"
# getting the current launch location of the script
_location="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
sudo archlinux-java set "$_recommended_java"
java \
	-Xms4G \
	-Xmx4G \
	-XX:+UseG1GC \
	-XX:+ParallelRefProcEnabled \
	-XX:MaxGCPauseMillis=200 \
	-XX:+UnlockExperimentalVMOptions \
	-XX:+DisableExplicitGC \
	-XX:+AlwaysPreTouch \
	-XX:G1NewSizePercent=30 \
	-XX:G1MaxNewSizePercent=40 \
	-XX:G1HeapRegionSize=8M \
	-XX:G1ReservePercent=20 \
	-XX:G1HeapWastePercent=5 \
	-XX:G1MixedGCCountTarget=4 \
	-XX:InitiatingHeapOccupancyPercent=15 \
	-XX:G1MixedGCLiveThresholdPercent=90 \
	-XX:G1RSetUpdatingPauseTimePercent=5 \
	-XX:SurvivorRatio=32 \
	-XX:+PerfDisableSharedMem \
	-XX:MaxTenuringThreshold=1 \
	-jar "$_location/SKlauncher-3.1.2.jar"

sudo archlinux-java set "$_current_java"