Added .sui and .sii definitions for window_open animations attached to trailer curtain/roof components. If you'd like, I can:
Unlike basic trailers, Talson trailers often feature advanced curtain side and roof sliding mechanisms. This adds visual realism when picking up cargo in companies with overhead cranes or side-loading docks. Talson Trailer v1.8 1.46
Refine this feature for a (e.g., TGM, TGG, or TDL)? I can: Unlike basic trailers