mcserver.sh

#!/bin/bash

echo -ne "\033]0;Minecraft Server Launcher\a"

cd "$(dirname "$0")" || exit 1
umask 022

green() { echo -e "\033[32m$1\033[0m"; }
red() { echo -e "\033[31m$1\033[0m"; }

green "
    __  ____                            ______
   /  |/  (_)___  ___  ______________ _/ __/ /_
  / /|_/ / / __ \/ _ \/ ___/ ___/ __ \`/ /_/ __/
 / /  / / / / / /  __/ /__/ /  / /_/ / __/ /_
/_/  /_/_/_/ /_/\___/\___/_/   \__,_/_/  \__/
"

JAVA_HOME="/Library/Java/JavaVirtualMachines/zulu-21.jdk/Contents/Home"
export JAVA_HOME
export PATH="$JAVA_HOME/bin:$PATH"

JAR_FILE="server.jar"
JAVA_FLAGS="-Xms2G -Xmx2G -XX:+AlwaysPreTouch -XX:+DisableExplicitGC -XX:+ParallelRefProcEnabled -XX:+PerfDisableSharedMem -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1HeapRegionSize=8M -XX:G1HeapWastePercent=5 -XX:G1MaxNewSizePercent=40 -XX:G1MixedGCCountTarget=4 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1NewSizePercent=30 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:G1ReservePercent=20 -XX:InitiatingHeapOccupancyPercent=15 -XX:MaxGCPauseMillis=200 -XX:MaxTenuringThreshold=1 -XX:SurvivorRatio=32"

if [ ! -f "$JAR_FILE" ]; then
    red "[错误] 找不到 $JAR_FILE"
    exit 1
fi

echo "eula=true" > eula.txt

GUI_FLAG="nogui"
if [ -t 0 ]; then
    case "$1" in
        gui)   GUI_FLAG="";;
        nogui) GUI_FLAG="nogui";;
        *)     read -p "使用 GUI 模式？(y/N): " yn
               [[ $yn =~ ^[Yy]$ ]] && GUI_FLAG="" || GUI_FLAG="nogui"
               ;;
    esac
fi

trap 'echo; red "[中断] 已终止脚本"; exit 0' SIGINT

green "[启动] Java 版本："
java -version 2>&1 | while read -r line; do green "         $line"; done

green "[启动] 正在运行服务器..."

while true; do
    clear
    green "
    __  ____                            ______
   /  |/  (_)___  ___  ______________ _/ __/ /_
  / /|_/ / / __ \/ _ \/ ___/ ___/ __ \`/ /_/ __/
 / /  / / / / / /  __/ /__/ /  / /_/ / __/ /_
/_/  /_/_/_/ /_/\___/\___/_/   \__,_/_/  \__/
"
    echo "[$(date '+%H:%M:%S')] 启动中..."
    java $JAVA_FLAGS -jar "$JAR_FILE" $GUI_FLAG

    echo
    echo "[$(date '+%H:%M:%S')] 服务器已关闭，10 秒后重启... (Ctrl+C 退出)"
    sleep 10
done

online-mode.sh

#!/bin/bash

cd "$(dirname "$0")"

CONFIG_FILE="server.properties"

if [ ! -f "$CONFIG_FILE" ]; then
    echo "❌ 找不到 server.properties，请确认你在服务端根目录下运行此脚本。"
    exit 1
fi

# 获取 online-mode 当前状态
current_mode=$(grep -E "^online-mode=" "$CONFIG_FILE" | cut -d'=' -f2)

if [ -z "$current_mode" ]; then
    echo "❌ 未找到 online-mode 设置项。"
    exit 1
fi

echo "✅ 当前 Online Mode 状态为：$current_mode"

# 切换目标状态
if [ "$current_mode" = "true" ]; then
    new_mode="false"
else
    new_mode="true"
fi

# 确认切换
echo -n "❓ 是否要切换为 $new_mode? (y/n): "
read -r confirm

if [[ "$confirm" =~ ^[Yy]$ ]]; then
    # 判断系统平台，选择合适的 sed 命令
    if [[ "$OSTYPE" == "darwin"* ]]; then
        sed -i '' "s/^online-mode=.*/online-mode=$new_mode/" "$CONFIG_FILE"
    else
        sed -i "s/^online-mode=.*/online-mode=$new_mode/" "$CONFIG_FILE"
    fi
    echo "✅ 已切换 Online Mode 为：$new_mode"
else
    echo "ℹ️ 操作取消，未进行更改。"
fi