revert a bit

Author: emcifuntik

api/AltV.Net.Async/AltAsync.cs

@@ -16,6 +16,12 @@ public static partial class AltAsync
 
         internal static AltVAsync AltVAsync;
 
+        public static event CheckpointAsyncDelegate OnCheckpoint
+        {
+            add => Core.CheckpointAsyncEventHandler.Add(value);
+            remove => Core.CheckpointAsyncEventHandler.Remove(value);
+        }
+
         public static event PlayerConnectAsyncDelegate OnPlayerConnect
         {
             add => Core.PlayerConnectAsyncEventHandler.Add(value);

api/AltV.Net.Async/AsyncCore.cs

@@ -35,6 +35,9 @@ public override IEnumerable<string> GetRegisteredServerEvents()
             return base.GetRegisteredServerEvents().Concat(asyncEventBusServer.Keys);
         }
 
+        internal readonly AsyncEventHandler<CheckpointAsyncDelegate> CheckpointAsyncEventHandler =
+            new(EventType.CHECKPOINT_EVENT);
+
         internal readonly AsyncEventHandler<PlayerConnectAsyncDelegate> PlayerConnectAsyncEventHandler =
             new(EventType.PLAYER_CONNECT);
 
@@ -176,6 +179,16 @@ public override bool IsMainThread()
             return AltAsync.AltVAsync.TickThread == Thread.CurrentThread || base.IsMainThread();
         }
 
+        public override void OnCheckPointEvent(ICheckpoint checkpoint, IWorldObject entity, bool state)
+        {
+            base.OnCheckPointEvent(checkpoint, entity, state);
+            if (!CheckpointAsyncEventHandler.HasEvents()) return;
+            Task.Run(async () =>
+            {
+                await CheckpointAsyncEventHandler.CallAsync(@delegate => @delegate(checkpoint, entity, state));
+            });
+        }
+
         public override void OnPlayerDeathEvent(IPlayer player, IEntity killer, uint weapon)
         {
             base.OnPlayerDeathEvent(player, killer, weapon);