Light Combiner Package Fix (#241)

Author: Cameron-Micka

com.microsoft.mrtk.graphicstools.unity/CHANGELOG.md

@@ -4,6 +4,21 @@ All notable changes to this package will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [0.8.8] - 2025-05-29
+
+### Changed
+
+- Fixed a bug where scenes in packages could not be light combined.
+
+## [0.8.7] - 2025-04-23
+
+### Changed
+
+- Fixed a bug where source and destination blend alpha were not maintained when "Allow Material override" was checked.
+- Fixed a Unity 2021 shader compilation error.
+- Acrylic bug fix, UNITY_UV_STARTS_AT_TOP is always defined, so the previous check was incorrect.
+- @vmoras6699 changed the scalable shader graph target's unlit low shader path to use baked lit.
+
 ## [0.8.6] - 2025-04-21
 
 ### Changed

com.microsoft.mrtk.graphicstools.unity/Editor/LightCombiner/LightCombinerWindow.cs

@@ -125,8 +125,19 @@ private void Save()
 			}
 
 			// Generate a new path for the duplicated scene.
-			var newScenePath = Path.Combine(Path.GetDirectoryName(currentScenePath),
-											Path.GetFileNameWithoutExtension(currentScenePath) + $"_{kWorkingDirectoryPostfix}.unity");
+			string newScenePath;
+			if (currentScenePath.Replace('\\', '/').StartsWith("Packages/"))
+			{
+				// Place at the root of the Assets folder if the scene is from a package.
+				// For the case of immutable packages and EditorSceneManager.OpenScene has trouble opening scenes in packages.
+				newScenePath = Path.Combine("Assets",
+					Path.GetFileNameWithoutExtension(currentScenePath) + $"_{kWorkingDirectoryPostfix}.unity");
+			}
+			else
+			{
+				newScenePath = Path.Combine(Path.GetDirectoryName(currentScenePath),
+					Path.GetFileNameWithoutExtension(currentScenePath) + $"_{kWorkingDirectoryPostfix}.unity");
+			}
 
 			if (AssetDatabase.CopyAsset(currentScenePath, newScenePath))
 			{

com.microsoft.mrtk.graphicstools.unity/package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.microsoft.mrtk.graphicstools.unity",
-  "version": "0.8.7",
+  "version": "0.8.8",
   "displayName": "MRTK Graphics Tools",
   "description": "Graphics tools and components for developing Mixed Reality applications in Unity.",
   "documentationUrl": "https://aka.ms/mrtk3graphics",