From 986cd64c6d8c0ff1d9d27d8c5d647133ea65c6e2 Mon Sep 17 00:00:00 2001
From: Olivier Giniaux <oginiaux@smartadserver.com>
Date: Fri, 8 Jul 2022 21:36:22 +0200
Subject: [PATCH] Improve performance when adding / deleting / updating several
 assets at once

---
 Editor/AssetProcessor.cs | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/Editor/AssetProcessor.cs b/Editor/AssetProcessor.cs
index fd1a563..87c3427 100644
--- a/Editor/AssetProcessor.cs
+++ b/Editor/AssetProcessor.cs
@@ -20,8 +20,11 @@ public static void Init()
         /// </summary>
         private static void OnUpdate()
         {
-            while (Actions.Count > 0) {
-                Actions.Dequeue()?.Invoke();
+            if (Actions.Count > 0) {
+                while (Actions.Count > 0) {
+                    Actions.Dequeue()?.Invoke();
+                }
+                ProjectCurator.SaveDatabase();
             }
         }
 
@@ -35,7 +38,6 @@ static string[] OnWillSaveAssets(string[] paths)
                         var removedAsset = ProjectCurator.RemoveAssetFromDatabase(path);
                         ProjectCurator.AddAssetToDatabase(path, removedAsset?.referencers);
                     }
-                    ProjectCurator.SaveDatabase();
                 });
             }
             return paths;
@@ -46,7 +48,6 @@ static void OnWillCreateAsset(string assetName)
             if (ProjectCuratorData.IsUpToDate) {
                 Actions.Enqueue(() => {
                     ProjectCurator.AddAssetToDatabase(assetName);
-                    ProjectCurator.SaveDatabase();
                 });
             }
         }
@@ -54,8 +55,9 @@ static void OnWillCreateAsset(string assetName)
         static AssetDeleteResult OnWillDeleteAsset(string assetName, RemoveAssetOptions removeAssetOptions)
         {
             if (ProjectCuratorData.IsUpToDate) {
-                ProjectCurator.RemoveAssetFromDatabase(assetName);
-                ProjectCurator.SaveDatabase();
+                Actions.Enqueue(() => {
+                    ProjectCurator.RemoveAssetFromDatabase(assetName);
+                });
             }
             return AssetDeleteResult.DidNotDelete;
         }
@@ -66,7 +68,6 @@ static AssetMoveResult OnWillMoveAsset(string sourcePath, string destinationPath
                 Actions.Enqueue(() => {
                     ProjectCurator.RemoveAssetFromDatabase(sourcePath);
                     ProjectCurator.AddAssetToDatabase(destinationPath);
-                    ProjectCurator.SaveDatabase();
                 });
             }
             return AssetMoveResult.DidNotMove;