[CR] Suddenly reviving corpses

Now corpses can make you a surprise. No, they are not any smarter and not ambushes. They just can lie idle, and wakes up when you will Wake them with his presence. As in horror movies when the corpse suddenly grabs your leg.

This applies to zombies killed by you, and some corpses generated by game.

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This feature increases suspense and horrify.
use the rl_dist() helper here.