Fix saving negative last damage to the entity #765
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Description
Minecraft uses the last damage stored on an entity to modify incoming damage that happens during the immunity tick with the formula
real-damage=input-damage - last damage
. When the last damage is negative the amount adds to the real damage taken and bypasses all damage reduction items like armor and effects like resistance.Steps to Reproduce
Attack a player in full diamond armor with a sharpness 5 diamond sword while using a weakness 2 potion effect. Continue to attack the player until the potion effect expires. The player may suddenly die instead of taking normal diamond sword damage.
config.yml.txt