From 35d71245bc1de44a694f385fda24f4bce60b45ec Mon Sep 17 00:00:00 2001
From: Mikhail <99481254+DCFApixels@users.noreply.github.com>
Date: Tue, 27 Jun 2023 01:23:01 +0800
Subject: [PATCH] replace int with short for indexing world components

---
 src/EcsWorld.cs        |  2 ++
 src/EcsWorld.static.cs | 13 +++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index dc9f5d6..6e8e334 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -142,6 +142,8 @@ namespace DCFApixels.DragonECS
             }
             return (TExecutor)result;
         }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref T Get<T>() where T : struct => ref WorldComponentPool<T>.GetForWorld(id);
         #endregion
 
diff --git a/src/EcsWorld.static.cs b/src/EcsWorld.static.cs
index cf61e9f..c131c80 100644
--- a/src/EcsWorld.static.cs
+++ b/src/EcsWorld.static.cs
@@ -47,10 +47,10 @@ namespace DCFApixels.DragonECS
         private static class WorldComponentPool<T>
         {
             private static T[] _items = new T[4];
-            private static int[] _mapping = new int[4];
-            private static int _count;
-            private static int[] _recycledItems = new int[4];
-            private static int _recycledItemsCount;
+            private static short[] _mapping = new short[4];
+            private static short _count;
+            private static short[] _recycledItems = new short[4];
+            private static short _recycledItemsCount;
             private static IEcsWorldComponent<T> _interface = EcsWorldComponentHandler<T>.instance;
 
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -62,7 +62,7 @@ namespace DCFApixels.DragonECS
                 if (_mapping.Length < Worlds.Length)
                     Array.Resize(ref _mapping, Worlds.Length);
 
-                ref int itemIndex = ref _mapping[worldID];
+                ref short itemIndex = ref _mapping[worldID];
                 if (itemIndex <= 0)
                 {
                     if (_recycledItemsCount > 0)
@@ -79,9 +79,10 @@ namespace DCFApixels.DragonECS
                 }
                 return itemIndex;
             }
+          
             private static void Release(int worldID)
             {
-                ref int itemIndex = ref _mapping[worldID];
+                ref short itemIndex = ref _mapping[worldID];
                 if (itemIndex != 0)
                 {
                     _interface.OnDestroy(ref _items[itemIndex], Worlds[worldID]);