From c68025286801ceb1f4fd1b97880bbb75477ddec0 Mon Sep 17 00:00:00 2001
From: Mikhail <99481254+DCFApixels@users.noreply.github.com>
Date: Sun, 10 Mar 2024 21:38:43 +0800
Subject: [PATCH] add EcsWorld.Destroy checks

---
 src/EcsWorld.cs         | 5 +++++
 src/Utils/Exceptions.cs | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 9bf344a..7923aac 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -162,8 +162,13 @@ namespace DCFApixels.DragonECS
         {
             if (_isDestroyed)
             {
+                EcsDebug.PrintWarning("The world is already destroyed");
                 return;
             }
+            if(id == NULL_WORLD_ID)
+            {
+                Throw.World_WorldCantBeDestroyed();
+            }
             _listeners.InvokeOnWorldDestroy();
             _entityDispenser = null;
             _pools = null;
diff --git a/src/Utils/Exceptions.cs b/src/Utils/Exceptions.cs
index 17fea7a..10bf0c5 100644
--- a/src/Utils/Exceptions.cs
+++ b/src/Utils/Exceptions.cs
@@ -103,12 +103,15 @@ namespace DCFApixels.DragonECS.Internal
         {
             throw new EcsFrameworkException($"An entity with identifier {entityID} is already contained in this world");
         }
-
         [MethodImpl(MethodImplOptions.NoInlining)]
         public static void World_PoolAlreadyCreated()
         {
             throw new EcsFrameworkException("The pool has already been created.");
         }
+        public static void World_WorldCantBeDestroyed()
+        {
+            throw new EcsFrameworkException("This world can't be destroyed");
+        }
 
         [MethodImpl(MethodImplOptions.NoInlining)]
         internal static void Ent_ThrowIsNotAlive(entlong entity)