Add a VanishToggleEvent

smoderation-paper/src/main/java/de/shiewk/smoderation/paper/command/VanishCommand.java

@@ -1,6 +1,7 @@
 package de.shiewk.smoderation.paper.command;
 
 import de.shiewk.smoderation.paper.SModerationPaper;
+import de.shiewk.smoderation.paper.event.VanishToggleEvent;
 import de.shiewk.smoderation.paper.util.PlayerUtil;
 import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import it.unimi.dsi.fastutil.objects.ObjectListIterator;
@@ -63,6 +64,11 @@ public class VanishCommand implements TabExecutor {
 
     public static void toggleVanish(Player player){
         final boolean newStatus = !isVanished(player);
+        VanishToggleEvent event = new VanishToggleEvent(player, newStatus);
+        Bukkit.getPluginManager().callEvent(event);
+        if (event.isCancelled()){
+            return;
+        }
         if (newStatus){
             vanishedPlayers.add(player);
             for (CommandSender sender : SModerationPaper.container.collectBroadcastTargets()) {

smoderation-paper/src/main/java/de/shiewk/smoderation/paper/event/VanishToggleEvent.java

@@ -0,0 +1,42 @@
+package de.shiewk.smoderation.paper.event;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.jetbrains.annotations.NotNull;
+
+public class VanishToggleEvent extends PlayerEvent implements Cancellable {
+    private static final HandlerList handlerList = new HandlerList();
+
+    private final boolean state;
+    private boolean cancelled;
+
+    public VanishToggleEvent(Player player, boolean state) {
+        super(player);
+        this.state = state;
+    }
+
+    public boolean getState() {
+        return state;
+    }
+
+    @Override
+    public @NotNull HandlerList getHandlers() {
+        return handlerList;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlerList;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+}