Profiling scopes

- Added profiling scope utility
- Added profiling scopes around some functions
- Testing StreamWriter and FileStream

Editor/ScenePartitionSO.cs

@@ -81,13 +81,13 @@ private void CreateScenePartitions()
         }
 
         private void LoadScenePartitions(SortedSet<ulong> partitionIds)
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(LoadScenePartitions)}"))
             {
                 if (!Data.HasCreatedPartitions) return;
 
                 string scenePath = ScenePartitionUtils.GetScenePath(this);
 
-            List<string> sceneData = new List<string>();
-
                 Data.LoadedScenePartitions.Clear();
 
                 // Add always load ids.
@@ -97,24 +97,47 @@ private void LoadScenePartitions(SortedSet<ulong> partitionIds)
                     partitionIds.Add(id);
                 }
 
+                // Clear file.
+                File.WriteAllText(scenePath, string.Empty);
+
                 // Create scene data.
+                try
+                {
+                    using (FileStream outputStream = new FileStream(scenePath, FileMode.Append, FileAccess.Write))
+                    {
                         foreach (ulong id in partitionIds)
                         {
                             ScenePartition p = Data.ScenePartitions[id];
-                sceneData.AddRange(File.ReadAllLines(p.filePath));
-                Data.LoadedScenePartitions.Add(p.id, p);
+
+                            using (FileStream inputStream = new FileStream(p.filePath, FileMode.Open, FileAccess.Read))
+                            {
+                                byte[] buffer = new byte[4096];
+                                int bytesRead;
+                                while ((bytesRead = inputStream.Read(buffer, 0, buffer.Length)) > 0)
+                                {
+                                    outputStream.Write(buffer, 0, bytesRead);
+                                }
                             }
 
-            // Create scene.
-            File.WriteAllLines(scenePath, sceneData);
+                            Data.LoadedScenePartitions.Add(p.id, p);
+                        }
+                    }
+                }
+                catch (System.Exception ex)
+                {
+                    Debug.LogException(ex);
+                }
 
                 AssetDatabase.Refresh();
             }
+        }
 
         /// <summary>
         /// Convert scene to partitions and save them to disk.
         /// </summary>
         public void Save()
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(Save)}"))
             {
                 DeleteLoadedPartitions(); // Delete the loaded partitions from disk so we can write the new ones.
 
@@ -149,11 +172,14 @@ public void Save()
                 // Write header to disk.
                 File.WriteAllLines($"{dataPath}/{SceneName}.yaml", sceneData[0..lastIndex]);
             }
+        }
 
         /// <summary>
         /// Empty the scene and save it (so it has no changes in source control).
         /// </summary>
         public void Unload()
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(Unload)}"))
             {
                 string dataPath = ScenePartitionUtils.GetDataPath(this);
                 string scenePath = ScenePartitionUtils.GetScenePath(this);
@@ -173,8 +199,11 @@ public void Unload()
 
                 AssetDatabase.Refresh();
             }
+        }
 
         private void DeleteLoadedPartitions()
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(DeleteLoadedPartitions)}"))
             {
                 if (!Data.HasLoadedPartitions) return;
 
@@ -185,8 +214,11 @@ private void DeleteLoadedPartitions()
                     File.Delete(scenePartition.Value.filePath);
                 }
             }
+        }
 
         public void LoadPartitions(ulong[] ids)
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(LoadPartitions)}"))
             {
                 SortedSet<ulong> partitionIds = new SortedSet<ulong>();
 
@@ -201,6 +233,7 @@ public void LoadPartitions(ulong[] ids)
 
                 LoadScenePartitions(partitionIds);
             }
+        }
 
         private SortedSet<ulong> GetAlwaysLoadIds()
         {
@@ -219,6 +252,8 @@ private SortedSet<ulong> GetAlwaysLoadIds()
         }
 
         public void GenerateSceneGridData()
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(GenerateSceneGridData)}"))
             {
                 LoadAll();
 
@@ -277,7 +312,7 @@ public void GenerateSceneGridData()
 
                 for (int i = 0; i < ids.Length; i++)
                 {
-                Debug.Log($"{ids[i].assetGUID} | {ids[i].identifierType} | {ids[i].targetObjectId} | {ids[i].targetPrefabId}");
+                    //Debug.Log($"{ids[i].assetGUID} | {ids[i].identifierType} | {ids[i].targetObjectId} | {ids[i].targetPrefabId}");
 
                     if (ids[i].targetPrefabId == 0) // 0 = no prefab.
                     {
@@ -291,6 +326,7 @@ public void GenerateSceneGridData()
 
                 Unload();
             }
+        }
 
         public void LoadCell(int gridId)
         {

Editor/ScenePartitionUtils.cs

@@ -32,11 +32,14 @@ public static string GetScenePath(ScenePartitionSO scenePartitionSO)
         }
 
         public static SortedSet<ulong> FindDeeplyLinkedObjects(SortedList<ulong, ScenePartition> scenePartitions, ulong partitionId)
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(FindDeeplyLinkedObjects)}"))
             {
                 SortedSet<ulong> linkedObjects = new SortedSet<ulong>();
                 FindDeeplyLinkedObjectsRecursive(scenePartitions, partitionId, linkedObjects);
                 return linkedObjects;
             }
+        }
 
         private static void FindDeeplyLinkedObjectsRecursive(SortedList<ulong, ScenePartition> scenePartitions, ulong partitionId, SortedSet<ulong> linkedObjects)
         {
@@ -59,6 +62,8 @@ private static void FindDeeplyLinkedObjectsRecursive(SortedList<ulong, ScenePart
         }
 
         public static bool TryGetScenePartitionSOForActiveScene(out ScenePartitionSO scenePartitionSO)
+        {
+            using (new ProfilerUtility.ProfilerScope($"{nameof(TryGetScenePartitionSOForActiveScene)}"))
             {
                 scenePartitionSO = null;
 
@@ -89,3 +94,4 @@ public static bool TryGetScenePartitionSOForActiveScene(out ScenePartitionSO sce
             }
         }
     }
+}

Runtime/ProfilerUtility.cs

@@ -0,0 +1,26 @@
+using UnityEngine;
+using UnityEngine.Profiling;
+
+namespace VertexColor.ScenePartition
+{
+    public static class ProfilerUtility
+    {
+        public class ProfilerScope : System.IDisposable
+        {
+            public ProfilerScope(string name)
+            {
+                Profiler.BeginSample(name);
+            }
+
+            public ProfilerScope(string name, Object target)
+            {
+                Profiler.BeginSample(name, target);
+            }
+
+            public void Dispose()
+            {
+                Profiler.EndSample();
+            }
+        }
+    }
+}

Runtime/ProfilerUtility.cs.meta

@@ -0,0 +1,11 @@
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