Unity 6000.1.0a2 C# reference source code

Author: Unity Technologies

Editor/Mono/AssetPipeline/SpeedTree/SpeedTree9Importer.cs

@@ -21,11 +21,9 @@
 
 namespace UnityEditor.SpeedTree.Importer
 {
-    // [2024-08-07] version: 2
-    // Fixed mesh's UV2 & UV3 data usage strategy to 'always allocate' from 'conditionally allocate'
-    // to fix unwanted application of leaf-facing effect to geometries without leaf-facing data.
-
-    [ScriptedImporter(version: 2, ext: "st9", AllowCaching = true)]
+    // [2024-09-27] version: 3
+    // Fixed code that would lead to m_LODCount vs m_PerLODSettings.arraySize mismatching in GUI 
+    [ScriptedImporter(version: 3, ext: "st9", AllowCaching = true)]
     public class SpeedTree9Importer : ScriptedImporter
     {
         const int SPEEDTREE_9_WIND_VERSION = 1;
@@ -233,6 +231,16 @@ private void CacheTreeImporterValues(string assetPath)
         {
             // Variables used a lot are cached, since accessing any Reader array has a non-negligeable cost. 
             m_LODCount = (uint)m_Tree.Lod.Length;
+            if(m_LODCount > LODGroupGUI.kLODColors.Length)
+            {
+                Debug.LogWarningFormat("Number of LOD meshes in asset ({0}) is larger than the maximum number supported by Unity GUI ({1})." +
+                    "\nImporting only the first {1} LOD meshes."
+                    , m_LODCount, LODGroupGUI.kLODColors.Length);
+
+                // LODGroup GUI won't draw if we're above this limit, so we prevent future assertions here.
+                m_LODCount = (uint)LODGroupGUI.kLODColors.Length;
+            }
+
             m_HasFacingData = TreeHasFacingData();
             m_HasBranch2Data = m_Tree.Wind.DoBranch2;
             m_LastLodIsBillboard = m_Tree.BillboardInfo.LastLodIsBillboard;
@@ -532,6 +540,7 @@ private void CalculateBillboardAndPerLODSettings()
             }
             else if (m_PerLODSettings.Count < m_LODCount)
             {
+                m_PerLODSettings.Clear();
                 for (int i = 0; i < m_LODCount; ++i)
                 {
                     bool isBillboardLOD = m_LastLodIsBillboard && i == m_LODCount - 1;

Editor/Mono/AssetPipeline/SpeedTree/SpeedTree9ImporterModelEditor.cs

@@ -493,7 +493,12 @@ private void DrawLODGroupFoldouts(List<LODGroupGUI.LODInfo> lods)
         private string GetLODSubmeshAndTriCountLabel(int numLODs, int lodGroupIndex, SpeedTree9Importer im, LODGroup lodGroup)
         {
             LOD[] lods = lodGroup.GetLODs();
-            Debug.Assert(lods.Length == numLODs);
+
+            if(lods.Length != numLODs)
+            {
+                Debug.LogWarningFormat("Number of LODs mismatch between serialized object & LODGroup: {0}\nPlease re-import the asset and kindly report a bug if this warning keeps coming back.", im.assetPath);
+                numLODs = lods.Length;
+            }
 
             int[][] primitiveCounts = new int[numLODs][];
             int[] submeshCounts = new int[numLODs];
@@ -547,6 +552,11 @@ private string GetLODSubmeshAndTriCountLabel(int numLODs, int lodGroupIndex, Spe
             return $"{totalTriCount} {LODGroupGUI.GUIStyles.m_TriangleCountLabel.text} {triangleChangeLabel} {submeshCountLabel}";
         }
 
+        private Color GetLODGroupColor(int lodIndex)
+        {
+            return LODGroupGUI.kLODColors[lodIndex % LODGroupGUI.kLODColors.Length];
+        }
+
         private void DrawLODGroupFoldout(Camera camera, int lodGroupIndex, ref SavedBool foldoutState, List<LODGroupGUI.LODInfo> lodInfoList)
         {
             GameObject[] ObjectArrayToGameObjectArray(UnityEngine.Object[] objects)
@@ -598,7 +608,7 @@ GameObject[] ObjectArrayToGameObjectArray(UnityEngine.Object[] objects)
                 , foldoutState.value
                 , LODFoldoutHeaderLabel
                 , m_LODColorTextures[lodGroupIndex]
-                , LODGroupGUI.kLODColors[lodGroupIndex] * 0.6f // 0.5f magic number is copied from LODGroupsGUI.cs
+                , GetLODGroupColor(lodGroupIndex) * 0.6f // 0.5f magic number is copied from LODGroupsGUI.cs
                 , LODFoldoutHeaderGroupAdditionalText
             );
 
@@ -727,13 +737,13 @@ void InitAndSetFoldoutLabelTextures()
             for (int i = 0; i < m_LODColorTextures.Length; i++)
             {
                 m_LODColorTextures[i] = new Texture2D(1, 1);
-                m_LODColorTextures[i].SetPixel(0, 0, LODGroupGUI.kLODColors[i]);
+                m_LODColorTextures[i].SetPixel(0, 0, GetLODGroupColor(i));
             }
         }
 
         void ResetFoldoutLists()
         {
-            int lodArraySize = m_PerLODSettings.arraySize;
+            int lodArraySize = Mathf.Min(m_PerLODSettings.arraySize, LODGroupGUI.kLODColors.Length);
             m_LODGroupFoldoutHeaderValues = new SavedBool[lodArraySize];
             for (int i = 0; i < lodArraySize; i++)
             {

Editor/Mono/AssetPipeline/SpeedTreeImporter.bindings.cs

@@ -305,9 +305,14 @@ static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAsse
                 bool st8 = asset.EndsWith(".st", StringComparison.OrdinalIgnoreCase);
                 if(st8)
                 {
+                    SpeedTreeImporter importer = AssetImporter.GetAtPath(asset) as SpeedTreeImporter;
+                    if (importer == null)
+                        continue;
+
                     // Check the external materials in case the user has extracted
-                    Dictionary<AssetImporter.SourceAssetIdentifier, UnityEngine.Object> externalAssets = (AssetImporter.GetAtPath(asset) as SpeedTreeImporter).GetExternalObjectMap();
-                    FixExtraTexture_sRGB(externalAssets.Values);
+                    Dictionary<AssetImporter.SourceAssetIdentifier, UnityEngine.Object> externalAssets = importer.GetExternalObjectMap();
+                    if(externalAssets != null)
+                        FixExtraTexture_sRGB(externalAssets.Values);
 
                     // Check the object subassets -- updates the materials if they're embedded in the SpeedTree asset
                     UnityEngine.Object[] subAssets = AssetDatabase.LoadAllAssetsAtPath(asset);

Editor/Mono/AssetPreviewUpdater.cs

@@ -36,18 +36,9 @@ public static Texture2D CreatePreview(Object obj, Object[] subAssets, string ass
             var editor = Editor.CreateEditor(obj);
             if (editor == null)
                 return null;
-
-            //Check that Render Pipeline is ready
-            //Beware: AssetImportWorkers have their own Render Pipeline instance. Render Pipeline will be separately created for each one of them.
-            var pipelineWasNotInitialized = !RenderPipelineManager.pipelineSwitchCompleted;
-
-            //We always keep this call to initialize Render Pipeline when Render Pipeline was not ready
+            
             var previewTexture = editor.RenderStaticPreview(assetPath, subAssets, width, height);
 
-            //If after render our Render Pipeline is initialized we re-render to have a valid result
-            if (pipelineWasNotInitialized && RenderPipelineManager.pipelineSwitchCompleted)
-                previewTexture = editor.RenderStaticPreview(assetPath, subAssets, width, height);
-
             // For debugging we write the preview to a file (keep)
             //{
             //  var bytes = tex.EncodeToPNG();

Editor/Mono/AssetStore/AssetStoreWindow.cs

@@ -42,7 +42,7 @@ public static void OpenAssetStoreInBrowser()
         [MenuItem("Window/My Assets", false, 1498)]
         public static void OpenMyAssetsInPackageManager()
         {
-            PackageManagerWindow.SelectPackageAndPageStatic(pageId: PackageManager.UI.Internal.MyAssetsPage.k_Id);
+            PackageManagerWindow.OpenAndSelectPage(PackageManager.UI.Internal.MyAssetsPage.k_Id);
         }
 
         public void OnEnable()
@@ -100,7 +100,7 @@ private void OnVisitWebsiteButtonClicked()
 
         private void OnLaunchPackageManagerButtonClicked()
         {
-            PackageManagerWindow.OpenPackageManager(null);
+            PackageManagerWindow.OpenAndSelectPackage(null);
         }
 
         private void SetMinMaxSizes()

Editor/Mono/Audio/AudioContainerWindow.cs

@@ -348,8 +348,6 @@ void OnTargetChanged(object sender, EventArgs e)
             m_CachedElements.Clear();
         else
             m_CachedElements = State.AudioContainer.elements.ToList();
-
-        m_AddedElements.Clear();
     }
 
     void OnSerializedObjectChanged(SerializedObject obj)
@@ -836,7 +834,17 @@ void OnElementPropertyChanged(SerializedProperty property)
     void OnListItemsAdded(IEnumerable<int> indices)
     {
         var indicesArray = indices as int[] ?? indices.ToArray();
+        const string undoName = $"Add {nameof(AudioRandomContainer)} element";
+        var groupUndoName = undoName;
+
+        if (indicesArray.Length > 1)
+        {
+            groupUndoName = $"{undoName}s";
+        }
+
+        Undo.SetCurrentGroupName(groupUndoName);
         var elements = State.AudioContainer.elements.ToList();
+        m_AddedElements.Clear();
 
         foreach (var index in indicesArray)
         {
@@ -852,22 +860,10 @@ void OnListItemsAdded(IEnumerable<int> indices)
 
         State.AudioContainer.elements = elements.ToArray();
 
-        // Object creation undo recording needs to be done in a separate pass from the object property changes above
         foreach (var element in m_AddedElements)
-            Undo.RegisterCreatedObjectUndo(element, "Create AudioContainerElement");
-
-        m_AddedElements.Clear();
-
-        var undoName = $"Add {nameof(AudioRandomContainer)} element";
-
-        if (indicesArray.Length > 1)
         {
-            undoName = $"{undoName}s";
+            Undo.RegisterCreatedObjectUndo(element, undoName);
         }
-
-        Undo.SetCurrentGroupName(undoName);
-
-        m_AddedElements.Clear();
     }
 
     void OnListItemsRemoved(IEnumerable<int> indices)
@@ -881,13 +877,10 @@ void OnListItemsRemoved(IEnumerable<int> indices)
         {
             if (m_CachedElements[index] != null)
             {
-                AssetDatabase.RemoveObjectFromAsset(m_CachedElements[index]);
                 Undo.DestroyObjectImmediate(m_CachedElements[index]);
             }
         }
 
-        State.AudioContainer.NotifyObservers(AudioRandomContainer.ChangeEventType.List);
-
         var undoName = $"Remove {nameof(AudioRandomContainer)} element";
 
         if (indicesArray.Length > 1)
@@ -896,6 +889,7 @@ void OnListItemsRemoved(IEnumerable<int> indices)
         }
 
         Undo.SetCurrentGroupName(undoName);
+        State.AudioContainer.NotifyObservers(AudioRandomContainer.ChangeEventType.List);
     }
 
     void OnItemListIndexChanged(int oldIndex, int newIndex)
@@ -906,14 +900,18 @@ void OnItemListIndexChanged(int oldIndex, int newIndex)
 
     void OnAudioClipDrag(List<AudioClip> audioClips)
     {
-        var undoName = $"Add {nameof(AudioRandomContainer)} element";
+        const string undoName = $"Add {nameof(AudioRandomContainer)} element";
+        var groupUndoName = undoName;
 
         if (audioClips.Count > 1)
-            undoName = $"{undoName}s";
-
-        Undo.RegisterCompleteObjectUndo(State.AudioContainer, undoName);
+        {
+            groupUndoName = $"{undoName}s";
+        }
 
+        Undo.RegisterCompleteObjectUndo(State.AudioContainer, groupUndoName);
+        Undo.SetCurrentGroupName(groupUndoName);
         var elements = State.AudioContainer.elements.ToList();
+        m_AddedElements.Clear();
 
         foreach (var audioClip in audioClips)
         {
@@ -930,12 +928,10 @@ void OnAudioClipDrag(List<AudioClip> audioClips)
 
         State.AudioContainer.elements = elements.ToArray();
 
-        // Object creation undo recording needs to be done in a separate pass from the object property changes above
         foreach (var element in m_AddedElements)
-            Undo.RegisterCreatedObjectUndo(element, "Create AudioContainerElement");
-
-        m_AddedElements.Clear();
-        Undo.SetCurrentGroupName(undoName);
+        {
+            Undo.RegisterCreatedObjectUndo(element, undoName);
+        }
     }
 
     void OnAudioClipListChanged(SerializedProperty property)
@@ -948,6 +944,12 @@ void OnAudioClipListChanged(SerializedProperty property)
 
             foreach (var elm in elements)
             {
+                // If the element is null, OnBindListItem will handle it, log an error and grey out the list entry.
+                if (elm == null)
+                {
+                    continue;
+                }
+
                 AssetDatabase.TryGetGUIDAndLocalFileIdentifier(elm, out var guid, out var localId);
 
                 // An empty asset GUID means the subasset has lost the reference