Blender just added Baking in Cycles.
You can bake all data into your 3d models, including caustics! This is the one hangup I have been having with the engine I use
Now we can add photo realism to our game scenes, which will look much more AAA.
The latest version of Blender can be found here:
If you happen to already have used it for something, I would love to see some examples here.
Anyone else excited about this, or can think of any implementations of it? I will try to do something ASAP and upload here.