From c64d621f0ed1668accd53935ae2e7cb2c4747176 Mon Sep 17 00:00:00 2001
From: Mergul <wismerchil@interia.eu>
Date: Tue, 26 Mar 2019 13:13:32 +0000
Subject: [PATCH] -fixed critical bug with onAdd callback

---
 source/ecs/manager.d | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/source/ecs/manager.d b/source/ecs/manager.d
index 7c10e5e..0c6d0aa 100644
--- a/source/ecs/manager.d
+++ b/source/ecs/manager.d
@@ -1941,16 +1941,19 @@ class EntityManager
             foreach (block; thread.blocks_to_update)
             {
                 EntityInfo* info = block.type_info;
-                if(info.add_listeners)
-                {
-                    callAddEntityListeners(info,block,block.entities_count,block.entities_count+block.added_count);
-                }
+                ushort entities_count = block.entities_count;
                 block.entities_count += block.added_count;
                 if (block.entities_count > block.type_info.max_entities)
                 {
                     block.entities_count = block.type_info.max_entities;
                 }
                 block.added_count.atomicStore(cast(ushort) 0);
+
+                if(info.add_listeners)
+                {
+                    callAddEntityListeners(info,block,entities_count,block.entities_count);
+                }
+                
             }
             thread.blocks_to_update.clear();
         }