From acd994d00a79c98087ef932923280947fb4559a6 Mon Sep 17 00:00:00 2001
From: Marllon Vilano <sandolkakos@hotmail.com>
Date: Mon, 19 Feb 2024 21:13:28 -0300
Subject: [PATCH] Add logic to disable TextureImporter overrides for every
 platform and enable them again after persisting the new texture size

---
 .../GenericOnDemandTextureLoaderInspector.cs  |  7 +++
 .../Editor/TextureImporterUtils.cs            | 61 +++++++++++++++++++
 .../Editor/TextureImporterUtils.cs.meta       |  3 +
 3 files changed, 71 insertions(+)
 create mode 100644 spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs
 create mode 100644 spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs.meta

diff --git a/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/GenericOnDemandTextureLoaderInspector.cs b/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/GenericOnDemandTextureLoaderInspector.cs
index c5845ba72..6c135c349 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/GenericOnDemandTextureLoaderInspector.cs
+++ b/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/GenericOnDemandTextureLoaderInspector.cs
@@ -203,6 +203,9 @@ namespace Spine.Unity.Editor {
 					importer.SaveAndReimport();
 
 					if (resizePhysically) {
+						bool hasOverridesToEnable =
+							TextureImporterUtils.TryDisableOverrides(importer, out List<string> disabledPlatforms);
+
 						Texture2D texture2D = AssetDatabase.LoadAssetAtPath<Texture2D>(texturePath);
 						if (texture2D) {
 							Color[] maxTextureSizePixels = texture2D.GetPixels();
@@ -223,6 +226,10 @@ namespace Spine.Unity.Editor {
 							EditorUtility.SetDirty(nonCompressedTexture);
 							AssetDatabase.SaveAssets();
 						}
+
+						if (hasOverridesToEnable) {
+							TextureImporterUtils.EnableOverrides(importer, disabledPlatforms);
+						}
 					}
 					placeholderTexture = AssetDatabase.LoadAssetAtPath<Texture>(texturePath);
 				}
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs b/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs
new file mode 100644
index 000000000..4c6b78f3e
--- /dev/null
+++ b/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs
@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+
+namespace Spine.Unity.Editor {
+
+	/// <summary>
+	/// Utility class for working with TextureImporter.
+	/// </summary>
+	public static class TextureImporterUtils {
+
+		private static IEnumerable<string> GetAllPossiblePlatforms() {
+			BuildTarget[] buildTargets = (BuildTarget[])Enum.GetValues(typeof(BuildTarget));
+			var platformNames = buildTargets.Select(x => x.ToString()).ToList();
+			
+			// Add additional platforms that are not part of BuildTarget enum.
+			platformNames.Add("Server");
+			
+			return platformNames.ToArray();
+		}
+
+		public static bool TryDisableOverrides(TextureImporter importer, out List<string> disabledPlatforms) {
+			IEnumerable<string> platforms = GetAllPossiblePlatforms();
+			disabledPlatforms = new List<string>();
+
+			foreach (string platform in platforms) {
+				var platformSettings = importer.GetPlatformTextureSettings(platform);
+
+				if (!platformSettings.overridden) {
+					continue;
+				}
+
+				disabledPlatforms.Add(platform);
+				platformSettings.overridden = false;
+				importer.SetPlatformTextureSettings(platformSettings);
+			}
+
+			if (disabledPlatforms.Count <= 0) {
+				return false;
+			}
+
+			importer.SaveAndReimport();
+			return true;
+		}
+
+		public static void EnableOverrides(TextureImporter importer, List<string> platformsToEnable) {
+			if (platformsToEnable.Count == 0) {
+				return;
+			}
+
+			foreach (string platform in platformsToEnable) {
+				var platformSettings = importer.GetPlatformTextureSettings(platform);
+				platformSettings.overridden = true;
+				importer.SetPlatformTextureSettings(platformSettings);
+			}
+
+			importer.SaveAndReimport();
+		}
+	}
+}
\ No newline at end of file
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs.meta b/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs.meta
new file mode 100644
index 000000000..201a599c5
--- /dev/null
+++ b/spine-unity/Modules/com.esotericsoftware.spine.on-demand-loading/Editor/TextureImporterUtils.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d7e6bbfca422433c9e60e78930eae065
+timeCreated: 1708382726
\ No newline at end of file