[2021-09-03:1] 完成DashBoard

DashBoard/src/config.yml

@@ -0,0 +1,10 @@
+announcement:
+  content: |
+    这是一段公告，您可以随意修改。
+    +++
+    使用三个加号来换页。
+    记得使用 UTF-8 编码保存！
+    服务端如果乱码请加上 Java 参数：
+    -Dfile.encoding=UTF-8
+  author: DashBoard
+  title: 服务器公告

DashBoard/src/plugin.yml

@@ -0,0 +1,8 @@
+main: skyone.dashboard.DashBoard
+name: DashBoard
+version: 1.0
+api-version: 1.17
+commands:
+  cd:
+    usage: "/cd"
+    description: "Open menu"

DashBoard/src/skyone/dashboard/DashBoard.java

@@ -1,16 +1,37 @@
 package skyone.dashboard;
 
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+
 public class DashBoard extends JavaPlugin {
     public static JavaPlugin instance;
 
     @Override
     public void onLoad() {
+        saveDefaultConfig();
     }
 
     @Override
     public void onEnable() {
         instance = this;
+        Bukkit.getPluginManager().registerEvents(new EventListener(), this);
+    }
+
+    @Override
+    @ParametersAreNonnullByDefault
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (!command.getName().equals("cd")) {
+            return false;
+        }
+        if (!(sender instanceof Player)) {
+            return false;
+        }
+        new MainMenu((Player) sender).openMenu();
+        return true;
     }
 }

DashBoard/src/skyone/dashboard/EventListener.java

@@ -0,0 +1,61 @@
+package skyone.dashboard;
+
+import org.bukkit.*;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.InventoryView;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.BookMeta;
+
+import java.util.Objects;
+import java.util.Random;
+
+public class EventListener implements Listener {
+    public static final Random RANDOM = new Random();
+    @EventHandler
+    public void onClickButton(InventoryClickEvent event) {
+        Player player = (Player) event.getWhoClicked();
+        InventoryView inventory = player.getOpenInventory();
+        if (inventory.getTitle().equals(MainMenu.DEFAULT_TITLE)) {
+            event.setCancelled(true);
+        }
+        if (event.getRawSlot() < 0 || event.getRawSlot() > event.getInventory().getSize()) {
+            return;
+        }
+        ItemStack clickedItem = event.getCurrentItem();
+        if (clickedItem == null) {
+            return;
+        }
+        /* 退出服务器 */
+        if (clickedItem.getItemMeta().getDisplayName().equals(MainMenu.QUIT_SERVER)) {
+            player.kickPlayer("您已离开服务器");
+            return;
+        }
+        /* 服务器公告 */
+        if (clickedItem.getItemMeta().getDisplayName().equals(MainMenu.SHOW_ANNOUNCEMENT)) {
+            ItemStack ann = new ItemStack(Material.WRITTEN_BOOK);
+            BookMeta annBm = (BookMeta) ann.getItemMeta();
+            String[] acText = Objects.requireNonNullElse(DashBoard.instance.getConfig().getString("announcement.content"), "").split("\\+\\+\\+");
+            // Java 默认使用正则表达式进行查找，在正则表达式中，加号是特殊字符，需要使用 \ 转义；而在 Java 中，\ 本身也是特殊字符，因此就需要输入两个 \
+            annBm.setPages(acText);
+            annBm.setAuthor(Objects.requireNonNullElse(DashBoard.instance.getConfig().getString("announcement.author"), "DashBoard"));
+            annBm.setTitle(Objects.requireNonNullElse(DashBoard.instance.getConfig().getString("announcement.author"), "服务器公告"));
+            // 三项缺一不可
+            ann.setItemMeta(annBm);
+            player.openBook(ann);
+            return;
+        }
+        /* 随机传送 */
+        if (clickedItem.getItemMeta().getDisplayName().equals(MainMenu.RANDOM_TELEPORT)) {
+            player.closeInventory();
+            World playerWorld = Bukkit.getWorlds().get(0); // 获得主世界
+            double randX = RANDOM.nextInt(200000) - 100000;
+            double randZ = RANDOM.nextInt(200000) - 100000;
+            Location offset = new Location(playerWorld, randX, 0, randZ).toHighestLocation(); // 获得最高的非空气方块
+            player.teleport(player.getLocation().add(offset)); // add 加算距离
+            player.sendMessage(ChatColor.GREEN + "传送成功！");
+        }
+    }
+}