Add more insights on potentially missing asset file data chunks

Source/Engine/Content/BinaryAsset.cpp

@@ -584,7 +584,32 @@ Asset::LoadResult BinaryAsset::loadAsset()
     ASSERT(Storage && _header.ID.IsValid() && _header.TypeName.HasChars());
 
     auto lock = Storage->Lock();
-    return load();
+    const LoadResult result = load();
+#if !BUILD_RELEASE
+    if (result == LoadResult::MissingDataChunk)
+    {
+        // Provide more insights on potentially missing asset data chunk
+        Char chunksBitMask[ASSET_FILE_DATA_CHUNKS + 1];
+        Char chunksExistBitMask[ASSET_FILE_DATA_CHUNKS + 1];
+        Char chunksLoadBitMask[ASSET_FILE_DATA_CHUNKS + 1];
+        for (int32 i = 0; i < ASSET_FILE_DATA_CHUNKS; i++)
+        {
+            if (const FlaxChunk* chunk = _header.Chunks[i])
+            {
+                chunksBitMask[i] = '1';
+                chunksExistBitMask[i] = chunk->ExistsInFile() ? '1' : '0';
+                chunksLoadBitMask[i] = chunk->IsLoaded() ? '1' : '0';
+            }
+            else
+            {
+                chunksBitMask[i] = chunksExistBitMask[i] = chunksLoadBitMask[i] = '0';
+            }
+        }
+        chunksBitMask[ASSET_FILE_DATA_CHUNKS] = chunksExistBitMask[ASSET_FILE_DATA_CHUNKS] = chunksLoadBitMask[ASSET_FILE_DATA_CHUNKS] = 0;
+        LOG(Warning, "Asset reports missing data chunk. Chunks bitmask: {}, existing chunks: {} loaded chunks: {}. '{}'", chunksBitMask, chunksExistBitMask, chunksLoadBitMask, ToString());
+    }
+#endif
+    return result;
 }
 
 void BinaryAsset::releaseStorage()

Source/Engine/Content/Storage/AssetHeader.h

@@ -81,36 +81,17 @@ public:
     /// <summary>
     /// Gets the amount of created asset chunks.
     /// </summary>
-    /// <returns>Created asset chunks</returns>
-    int32 GetChunksCount() const
-    {
-        int32 result = 0;
-        for (int32 i = 0; i < ASSET_FILE_DATA_CHUNKS; i++)
-        {
-            if (Chunks[i] != nullptr)
-                result++;
-        }
-        return result;
-    }
+    int32 GetChunksCount() const;
 
     /// <summary>
     /// Deletes all chunks. Warning! Chunks are managed internally, use with caution!
     /// </summary>
-    void DeleteChunks()
-    {
-        for (int32 i = 0; i < ASSET_FILE_DATA_CHUNKS; i++)
-        {
-            SAFE_DELETE(Chunks[i]);
-        }
-    }
+    void DeleteChunks();
 
     /// <summary>
     /// Unlinks all chunks.
     /// </summary>
-    void UnlinkChunks()
-    {
-        Platform::MemoryClear(Chunks, sizeof(Chunks));
-    }
+    void UnlinkChunks();
 
     /// <summary>
     /// Gets string with a human-readable info about that header

Source/Engine/Content/Storage/FlaxStorage.cpp

@@ -20,6 +20,30 @@
 #endif
 #include <ThirdParty/LZ4/lz4.h>
 
+int32 AssetHeader::GetChunksCount() const
+{
+    int32 result = 0;
+    for (int32 i = 0; i < ASSET_FILE_DATA_CHUNKS; i++)
+    {
+        if (Chunks[i] != nullptr)
+            result++;
+    }
+    return result;
+}
+
+void AssetHeader::DeleteChunks()
+{
+    for (int32 i = 0; i < ASSET_FILE_DATA_CHUNKS; i++)
+    {
+        SAFE_DELETE(Chunks[i]);
+    }
+}
+
+void AssetHeader::UnlinkChunks()
+{
+    Platform::MemoryClear(Chunks, sizeof(Chunks));
+}
+
 String AssetHeader::ToString() const
 {
     return String::Format(TEXT("ID: {0}, TypeName: {1}, Chunks Count: {2}"), ID, TypeName, GetChunksCount());