Refactor Streaming with new settings and textures streaming configuration

Source/Engine/Tools/TextureTool/TextureTool.cpp

@@ -35,6 +35,7 @@ TextureTool::Options::Options()
     Resize = false;
     PreserveAlphaCoverage = false;
     PreserveAlphaCoverageReference = 0.5f;
+    TextureGroup = -1;
     Scale = 1.0f;
     SizeX = 1024;
     SizeY = 1024;
@@ -97,6 +98,9 @@ void TextureTool::Options::Serialize(SerializeStream& stream, const void* otherO
     stream.JKEY("PreserveAlphaCoverageReference");
     stream.Float(PreserveAlphaCoverageReference);
 
+    stream.JKEY("TextureGroup");
+    stream.Int(TextureGroup);
+
     stream.JKEY("Scale");
     stream.Float(Scale);
 
@@ -145,6 +149,7 @@ void TextureTool::Options::Deserialize(DeserializeStream& stream, ISerializeModi
     Resize = JsonTools::GetBool(stream, "Resize", Resize);
     PreserveAlphaCoverage = JsonTools::GetBool(stream, "PreserveAlphaCoverage", PreserveAlphaCoverage);
     PreserveAlphaCoverageReference = JsonTools::GetFloat(stream, "PreserveAlphaCoverageReference", PreserveAlphaCoverageReference);
+    TextureGroup = JsonTools::GetInt(stream, "TextureGroup", TextureGroup);
     Scale = JsonTools::GetFloat(stream, "Scale", Scale);
     SizeX = JsonTools::GetInt(stream, "SizeX", SizeX);
     SizeY = JsonTools::GetInt(stream, "SizeY", SizeY);

Source/Engine/Tools/TextureTool/TextureTool.h

@@ -78,6 +78,11 @@ public:
         /// </summary>
         float PreserveAlphaCoverageReference;
 
+        /// <summary>
+        /// Texture group for streaming (negative if unused). See Streaming Settings.
+        /// </summary>
+        int32 TextureGroup;
+
         /// <summary>
         /// The import texture scale.
         /// </summary>