Medical - Add Painkillers

[LinkIsGrim]

When merged this pull request will:

• Add painkillers. Finally.

Implementation based on https://github.com/Theseus-Aegis/Mods/tree/master/addons/medical, with increased timeTillMaxEffect.

I've always wanted to see painkillers added as a magazine, though (I feel like that's interesting as API and example), but this is simpler and shouldn't break things for communities with their own implementations too much.

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[LinkIsGrim]

It works (as it should), but could probably use a better model for litter/item, as they're currently shared and are not the best:

Something based off the inventory icon (orange-ish tube) would be ideal.

[Drofseh]

What painkiller are we trying to simulate here?
A previous unit I was in implemented painkillers in their house mod, and these are the values that were used to simulate something like ibuprofen or acetaminophen/paracetamol

class PainKillers {
    painReduce = 0.1;
    timeInSystem = 1200;
    timeTillMaxEffect = 60;
    maxDose = 25;
    incompatibleMedication[] = {};
    viscosityChange = 5;
};

we were actually considering reducing painReduce below 0.1 as we felt it was a bit too strong for that type of analgesic

[jonpas]

Neat!

[jonpas]

@Drofseh Our values just come from what we wanted in gameplay. Something that reduces pain for a short period of time, not a longer-term solution.

[LinkIsGrim]

Missing CfgPatches entries still

[johnb432]

Missing CfgPatches entries still

Done.

[johnb432]

Syringe sound is played when painkillers are administered.

Either we remove the sound entirely or replace it with something else.

[Zman6258]

Either we remove the sound entirely or replace it with something else.

pills.zip

Recorded and edited myself so there's no chance of any rights issues, if y'all wanna use it. Five-second audio file in .ogg format of a bottle of pills opening, getting shaken a little to represent actually taking one, then closing again.

[johnb432]

LGTM