Add PlayerFlightChangeEvent

src/main/java/com/gmail/llmdlio/townyflight/TownyFlightAPI.java

@@ -6,6 +6,8 @@
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 
+import com.gmail.llmdlio.townyflight.events.PlayerFlightChangeEvent;
+import com.palmergames.bukkit.util.BukkitTools;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.Location;
@@ -196,6 +198,7 @@ public void removeFlight(Player player, boolean silent, boolean forced, String c
 		}
 		player.setAllowFlight(false);
 		cachePlayerFlight(player, false);
+		BukkitTools.fireEvent(new PlayerFlightChangeEvent(player, false));
 	}
 
 	/**
@@ -208,6 +211,7 @@ public void addFlight(Player player, boolean silent) {
 		if (!silent) Message.of("flightOnMsg").to(player);
 		player.setAllowFlight(true);
 		cachePlayerFlight(player, true);
+		BukkitTools.fireEvent(new PlayerFlightChangeEvent(player, true));
 	}
 
 	/**

src/main/java/com/gmail/llmdlio/townyflight/events/PlayerFlightChangeEvent.java

@@ -0,0 +1,34 @@
+package com.gmail.llmdlio.townyflight.events;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class PlayerFlightChangeEvent extends Event {
+    private static final HandlerList handlers = new HandlerList();
+    private final Player player;
+    private final boolean flightAllowed;
+
+    public PlayerFlightChangeEvent(Player player, boolean flightAllowed) {
+        this.player = player;
+        this.flightAllowed = flightAllowed;
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+
+    public boolean isFlightAllowed() {
+        return flightAllowed;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    @Override
+    public @NotNull HandlerList getHandlers() {
+        return handlers;
+    }
+}