I'd think a command block argument would be easiest, but there doesn't appear to be any way to select players by sunlight level.
If you're planning on modding, Sappho, I wish you luck. I was never any good with modding Minecraft. Mostly because Java is a vile abomination, but eh.
Anyway, I downloaded that Life in the Woods pack (finally) after I read it was supposed to be about "living in harmony with nature" and "manual farming".
In other words, I'm going to exploit the
shit out of nature, and automatically farm everything possible.
I decided the Hunger Overhaul mod could wait until I actually had food. In the mean time, I set up a bunch of fields for various plants, and an apple farm. Yay for hoppers and apple trees periodically dropping apples, I guess.
I found a village a minute or so from my base. I imprisoned two of the villagers so I could set up an iron farm later, killed the rest, looted their stuff, and burned their homes.
Later, while following a river looking for reeds, I came across a bunch treehouse things with monster spawners inside. The spawners spawn crazy naked men who move very slowly and drop bones. That's ~5 spawners close enough together for a farm, spawning 1-3 naked men each every few seconds, who each drop 2-ish bones... Ridiculous bone farm coming up.
* II cackles madly!
I'll take some screenshots once I've made some more progress to show you guys.