DragAssetData.Parse: Resolve local asset before attempting to make it a package ident Material API specular obeys S_SPECULAR same as Valve's PS_FinalCombinerDoLighting (you can now turn it off) Graphics.PrepareTextureForUse -> Texture.MarkUsed (Doesn't need a graphics context now) Json.SerializeAsObject (GameResource serialization) supports [JsonInclude] on non public properties. Deserialization already supported it.