From 4e748252a4fc543b3702bf6db6de848451367eb2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E6=80=9D=E6=B5=B7?= <1464576565@qq.com>
Date: Fri, 14 Mar 2025 19:58:50 +0800
Subject: [PATCH] modify

---
 .../Atlas/EditorSpriteSaveInfo.cs             | 84 +++++++++++++------
 1 file changed, 60 insertions(+), 24 deletions(-)

diff --git a/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs b/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs
index 3ad5b5d..43ecc50 100644
--- a/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs
+++ b/Editor/Postprocessor/Atlas/EditorSpriteSaveInfo.cs
@@ -173,8 +173,13 @@ public static class EditorSpriteSaveInfo
             AssetDatabase.Refresh();
             EditorApplication.delayCall += () =>
             {
+#if UNITY_2022_1_OR_NEWER
                 SpriteAtlasImporter sai = (SpriteAtlasImporter)AssetImporter.GetAtPath(outputPath);
                 ConfigureAtlasV2Settings(sai);
+#else
+                ConfigureAtlasV2Settings(spriteAtlasAsset);
+                SpriteAtlasAsset.Save(spriteAtlasAsset, outputPath);
+#endif
                 AssetDatabase.WriteImportSettingsIfDirty(outputPath);
                 AssetDatabase.Refresh();
             };
@@ -201,33 +206,63 @@ public static class EditorSpriteSaveInfo
             .ToList();
     }
 
-    private static void ConfigureAtlasV2Settings(SpriteAtlasImporter atlasImporter)
-    {
-        void SetPlatform(string platform, TextureImporterFormat format)
+#if UNITY_2022_1_OR_NEWER
+        private static void ConfigureAtlasV2Settings(SpriteAtlasImporter atlasImporter)
         {
-            var settings = atlasImporter.GetPlatformSettings(platform);
-            if (settings == null) return;
-            ;
-            settings.overridden = true;
-            settings.format = format;
-            settings.compressionQuality = Config.compressionQuality;
-            atlasImporter.SetPlatformSettings(settings);
+            void SetPlatform(string platform, TextureImporterFormat format)
+            {
+                var settings = atlasImporter.GetPlatformSettings(platform);
+                if (settings == null) return;
+                ;
+                settings.overridden = true;
+                settings.format = format;
+                settings.compressionQuality = Config.compressionQuality;
+                atlasImporter.SetPlatformSettings(settings);
+            }
+
+            SetPlatform("Android", Config.androidFormat);
+            SetPlatform("iPhone", Config.iosFormat);
+            SetPlatform("WebGL", Config.webglFormat);
+
+            var packingSettings = new SpriteAtlasPackingSettings
+            {
+                padding = Config.padding,
+                enableRotation = Config.enableRotation,
+                blockOffset = Config.blockOffset,
+                enableTightPacking = Config.tightPacking,
+                enableAlphaDilation = true
+            };
+            atlasImporter.packingSettings = packingSettings;
         }
-
-        SetPlatform("Android", Config.androidFormat);
-        SetPlatform("iPhone", Config.iosFormat);
-        SetPlatform("WebGL", Config.webglFormat);
-
-        var packingSettings = new SpriteAtlasPackingSettings
+#else
+        private static void ConfigureAtlasV2Settings(SpriteAtlasAsset spriteAtlasAsset)
         {
-            padding = Config.padding,
-            enableRotation = Config.enableRotation,
-            blockOffset = Config.blockOffset,
-            enableTightPacking = Config.tightPacking,
-            enableAlphaDilation = true
-        };
-        atlasImporter.packingSettings = packingSettings;
-    }
+            void SetPlatform(string platform, TextureImporterFormat format)
+            {
+                var settings = spriteAtlasAsset.GetPlatformSettings(platform);
+                if (settings == null) return;
+                ;
+                settings.overridden = true;
+                settings.format = format;
+                settings.compressionQuality = Config.compressionQuality;
+                spriteAtlasAsset.SetPlatformSettings(settings);
+            }
+
+            SetPlatform("Android", Config.androidFormat);
+            SetPlatform("iPhone", Config.iosFormat);
+            SetPlatform("WebGL", Config.webglFormat);
+
+            var packingSettings = new SpriteAtlasPackingSettings
+            {
+                padding = Config.padding,
+                enableRotation = Config.enableRotation,
+                blockOffset = Config.blockOffset,
+                enableTightPacking = Config.tightPacking,
+                enableAlphaDilation = true
+            };
+            spriteAtlasAsset.SetPackingSettings(packingSettings);
+        }
+#endif
 
     private static void ConfigureAtlasSettings(SpriteAtlas atlas)
     {
@@ -249,6 +284,7 @@ public static class EditorSpriteSaveInfo
             padding = Config.padding,
             enableRotation = Config.enableRotation,
             blockOffset = Config.blockOffset,
+            enableTightPacking = Config.tightPacking,
         };
         atlas.SetPackingSettings(packingSettings);
     }