memoryleak-fix

BauSystem_Main/src/de/steamwar/bausystem/features/countingwand/Countingwand.java

@@ -40,14 +40,15 @@ public class Countingwand {
 												ColorConfig.HIGHLIGHT + "Rechtsklick" + ColorConfig.OTHER + " - " + ColorConfig.BASE + "Setzt die 2. Position"),
 						  false, clickType -> {
 	}).getItemStack();
+
 	private final Map<String, Pair<Point, Point>> selections = new HashMap<>();
 
 	public boolean isCountingwand(final ItemStack item) {
-		return Countingwand.WAND_ITEM.isSimilar(item);
+		return WAND_ITEM.isSimilar(item);
 	}
 
 	public void checkSelection(final Point point, final boolean pos1, final Player p) {
-		Pair<Point, Point> selection = Countingwand.selections.get(p.getUniqueId().toString());
+		Pair<Point, Point> selection = selections.get(p.getUniqueId().toString());
 		final boolean newPos;
 		if (selection != null) {
 			if (pos1) {
@@ -61,7 +62,7 @@ public class Countingwand {
 			} else {
 				selection = new Pair<>(null, point);
 			}
-			Countingwand.selections.put(p.getUniqueId().toString(), selection);
+			selections.put(p.getUniqueId().toString(), selection);
 			newPos = true;
 		}
 
@@ -89,6 +90,10 @@ public class Countingwand {
 		}
 	}
 
+	public void removePlayer(Player p) {
+		selections.remove(p);
+	}
+
 	public int getAmount(final Point point1, final Point point2) {
 		if (point1 == null || point2 == null) {
 			return 0;

BauSystem_Main/src/de/steamwar/bausystem/features/countingwand/CountingwandListener.java

@@ -28,6 +28,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 
 
 @Linked(LinkageType.LISTENER)
@@ -56,4 +57,9 @@ public class CountingwandListener implements Listener {
 		event.setCancelled(true);
 		Countingwand.checkSelection(Point.fromLocation(Objects.requireNonNull(event.getClickedBlock()).getLocation()), false, event.getPlayer());
 	}
+
+	@EventHandler
+	public void onLeave(PlayerQuitEvent event) {
+		Countingwand.removePlayer(event.getPlayer());
+	}
 }