From 43c5adc6cc5bd42955ddd4408973279bac4cccb6 Mon Sep 17 00:00:00 2001
From: Mikhail <99481254+DCFApixels@users.noreply.github.com>
Date: Sun, 2 Jul 2023 21:39:44 +0800
Subject: [PATCH] usafe optimise GetEntityLong

---
 src/EcsWorld.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index c42513d..415e8b0 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -201,7 +201,11 @@ namespace DCFApixels.DragonECS
                 ReleaseDelEntityBuffer();
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public entlong GetEntityLong(int entityID) => new entlong(entityID, _gens[entityID], id); //TODO придумать получше имя метода
+        public unsafe entlong GetEntityLong(int entityID)
+        {
+            long x = ((long)id << 48 | (long)_gens[entityID] << 32  | entityID);
+            return *(entlong*)&x;
+        }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool IsAlive(int entityID, short gen) => _gens[entityID] == gen;
         [MethodImpl(MethodImplOptions.AggressiveInlining)]