Uh... like this maybe?colossal404 wrote: Not the drawings are the problem, I/we have problems with the coding, only the ECS or only the FIRS wouldn't be problem, but we can't figure out the proper way of how to detect the exact cargo which the truck refitted to, and show proper graphics.
Note, that same cargo label = same cargo. In principle. If you believe differently, you should (also) check for the FIRS / ECS / whatever grfID and display different sprites according to that.