TL;DR
allow entities to increase or decrease the health per repair pack, probably via multiplier.

What?
currently repair packs heal the same amount for all entities. this is an issue if you wanted to make certain entities more expensive to repair.

for example, I wanted to make tanks use more ...

TL;DR make projectiles store a value from their spawn that can be compared against their future states.


currently you cannot detect where a projectile came from, how long it travelled, or how long it exists. this is bad if you want to do things with this data, such as projectiles that lose or gain ...