I'm gonna wait for Steam version
Free work is ok if it's not-commercical project, such as modding for game. If it's commercical and they're going to make money off your work then it's unfair.
Unreal Engine 4: Advanced Glass
An overview of the Advanced Glass package for Unreal Engine 4. It has 5 glass materials including Clean: Colored (+ 10 tillable patterns + 2 scratched), Dirty (9 different variations), Frozen (3 different frost textures), Shattered (6 different variations) and Wet (2 Rain patterns). Advanced Glass supports vertex paint and custom textures. The package has flexible Material Instance workflow and high resolution textures.
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