Improve OnLevelLoadEvent to also have path and 'cancel' argument

Before there was no way to tell which path the map was being loaded from, and had to rely on a global 'Level.cancelload' variable

MCGalaxy/Events/LevelEvents.cs

@@ -29,12 +29,15 @@ public sealed class OnLevelLoadedEvent : IEvent<OnLevelLoaded> {
         }
     }
 
-    public delegate void OnLevelLoad(string level);
+    public delegate void OnLevelLoad(string name, string path, ref bool cancel);
     public sealed class OnLevelLoadEvent : IEvent<OnLevelLoad> {
 
-        public static void Call(string name) {
-            if (handlers.Count == 0) return;
-            CallCommon(pl => pl(name));
+        public static void Call(string name, string path, ref bool cancel) {
+            IEvent<OnLevelLoad>[] items = handlers.Items;
+            for (int i = 0; i < items.Length; i++) {
+                try { items[i].method(name, path, ref cancel); } 
+                catch (Exception ex) { LogHandlerException(ex, items[i]); }
+            }
         }
     }
 

MCGalaxy/Levels/Level.Fields.cs

@@ -59,7 +59,6 @@ public sealed partial class Level : IDisposable {
             get { return Math.Max(10000, (int)(Server.Config.DrawReloadThreshold * Width * Height * Length)); }
         }
 
-        public static bool cancelload;
         public bool cancelsave;
         public bool cancelunload;
         public bool Changed;

MCGalaxy/Levels/Level.cs

@@ -267,8 +267,9 @@ public sealed partial class Level : IDisposable {
         public static Level Load(string name) { return Load(name, LevelInfo.MapPath(name)); }
 
         public static Level Load(string name, string path) {
-            OnLevelLoadEvent.Call(name);
-            if (cancelload) { cancelload = false; return null; }
+            bool cancel = false;
+            OnLevelLoadEvent.Call(name, path, ref cancel);
+            if (cancel) return null;
 
             if (!File.Exists(path)) {
                 Logger.Log(LogType.Warning, "Attempted to load level {0}, but {1} does not exist.", name, path);