[update] ボーダーとの距離をアクションバーに表示する

Author: howard12721

src/main/java/com/github/elic0de/hungergames/game/GameBorder.java

@@ -1,8 +1,11 @@
 package com.github.elic0de.hungergames.game;
 
 import com.github.elic0de.hungergames.HungerGames;
+import net.md_5.bungee.api.ChatMessageType;
+import net.md_5.bungee.api.chat.TextComponent;
 import org.bukkit.Bukkit;
 import org.bukkit.WorldBorder;
+import org.bukkit.entity.Player;
 import org.bukkit.scheduler.BukkitRunnable;
 import org.bukkit.scheduler.BukkitTask;
 
@@ -45,7 +48,8 @@ public void run() {
                     return;
                 }
                 game.getBossBar().setBossBar("残りのプレイヤー数: &6" + game.getAlivePlayersSize());
-                game.getBossBar().setProgress((double) Math.max(timeInSeconds - borderTicks.get(), 0)/timeInSeconds);
+                game.getBossBar().setProgress((double) Math.max(timeInSeconds - borderTicks.get(), 0) / timeInSeconds);
+                game.getPlayers().forEach(player -> player.getPlayer().spigot().sendMessage(ChatMessageType.ACTION_BAR, TextComponent.fromLegacyText(String.format("ボーダーとの距離: §a%d§rブロック", (int) getDistanceToBorder(player.getPlayer(), border)))));
             }
         }.runTaskTimer(HungerGames.getInstance(), 0, PERIOD);
     }
@@ -60,4 +64,12 @@ public void reset() {
         borderTicks.set(0);
         game.getBossBar().hide();
     }
+
+    private double getDistanceToBorder(Player player, WorldBorder border) {
+        final double borderSize = border.getSize();
+        return Math.min(
+                borderSize - Math.abs(player.getLocation().getX() - border.getCenter().getX()),
+                borderSize - Math.abs(player.getLocation().getZ() - border.getCenter().getZ())
+        );
+    }
 }