Display to players the amount of damage they suffer, as well as the source of the damage.
PlayerXX damaged for 3.0 by EntityZombie(mob)
PlayerXX damaged for 4.0 by EntitySlime(mob)
PlayerXX damaged for 1.0 by inFire
PlayerXX damaged for 1.0 by onFire
PlayerXX damaged for 1.0 by starve
PlayerXX damaged for 7.0 by fall
As of now, this is more a debugging tool than a mod you would use daily...
Let me know if you would like some improvements, like to put the output in a sort of book you can look when you want instead of having a constant output in the chat.
This mod was created after a request from Iskandar, to track the origin of random damages that appears to come from nowhere...