Add Content.Stats for assets statistics (replaces Content.AssetCount)

Source/Engine/Content/Content.cpp

@@ -360,6 +360,25 @@ String Content::CreateTemporaryAssetPath()
     return Globals::TemporaryFolder / (Guid::New().ToString(Guid::FormatType::N) + ASSET_FILES_EXTENSION_WITH_DOT);
 }
 
+ContentStats Content::GetStats()
+{
+    ContentStats stats;
+    AssetsLocker.Lock();
+    stats.AssetsCount = Assets.Count();
+    for (auto& e : Assets)
+    {
+        if (e.Value->IsLoaded())
+            stats.LoadedAssetsCount++;
+        else if (e.Value->LastLoadFailed())
+            stats.LoadingAssetsCount++;
+        if (e.Value->IsVirtual())
+            stats.VirtualAssetsCount++;
+    }
+    stats.LoadingAssetsCount = stats.AssetsCount - stats.LoadingAssetsCount - stats.LoadedAssetsCount;
+    AssetsLocker.Unlock();
+    return stats;
+}
+
 Asset* Content::LoadAsyncInternal(const StringView& internalPath, MClass* type)
 {
     CHECK_RETURN(type, nullptr);
@@ -430,11 +449,6 @@ Asset* Content::LoadAsync(const StringView& path, const ScriptingTypeHandle& typ
     return nullptr;
 }
 
-int32 Content::GetAssetCount()
-{
-    return Assets.Count();
-}
-
 Array<Asset*> Content::GetAssets()
 {
     Array<Asset*> assets;

Source/Engine/Content/Content.h

@@ -12,6 +12,20 @@ class FlaxFile;
 class IAssetFactory;
 class AssetsCache;
 
+// Content and assets statistics container.
+API_STRUCT() struct FLAXENGINE_API ContentStats
+{
+DECLARE_SCRIPTING_TYPE_MINIMAL(ContentStats);
+    // Amount of asset objects in memory.
+    API_FIELD() int32 AssetsCount = 0;
+    // Amount of loaded assets.
+    API_FIELD() int32 LoadedAssetsCount = 0;
+    // Amount of loading assets.
+    API_FIELD() int32 LoadingAssetsCount = 0;
+    // Amount of virtual assets (don't have representation in file).
+    API_FIELD() int32 VirtualAssetsCount = 0;
+};
+
 /// <summary>
 /// Loads and manages assets.
 /// </summary>
@@ -92,10 +106,9 @@ public:
 public:
 
     /// <summary>
-    /// Gets amount of the assets (in memory).
+    /// Gets content statistics.
     /// </summary>
-    /// <returns>Amount of assets in the assets.</returns>
-    API_PROPERTY() static int32 GetAssetCount();
+    API_PROPERTY() static ContentStats GetStats();
 
     /// <summary>
     /// Gets the assets (loaded or during load).