unknown-horizons/unknown-horizons — pull request #1843 by ChrisOelmueller (2012-09-03 20:16:35+00:00)
Title: * Remove support for preview action sets, allow weighting action sets

This means that currently the preview sets for larger buildings won't
work as intended, but we should find a solution that actually resizes
images on runtime instead of predefining entire action sets for one
gui use case. Also the path preview might need some love.

All in all having a weight that can be specified seemed more important
to me however than continuing support for the preview set hack.