Ballistics - Improve B_127x54_Ball values

[Laid3acK]

When merged this pull request will:

• Update vanilla B_127x54_Ball values according to the 12.7x55mm STs-130PT2 used with the Russian 12.7 sniper rifle VKS (aka vanilla ASP-1 Kir).
• Update airFriction according to the new MV and BC, gap with AB 0.1, 0.2 mRad to 500m: range cards in-game.
• Update AtragMx preset.

##########################################
Ammo Class: B_127x54_Ball
drag model: 1
ballistic coefficient: 0.519
MaxRanges (m): [300, 300]
MuzzleVelocities (m/s): [290, 300]
Max. Velocity diff (m/s): 2.53
Max. Drop diff (cm): 1.83
Max. Tof diff (ms): 3.5
Optimal airFriction: 0.00037716
##########################################

• AtragMx GunList will need to be refreshed with the Eden Editor Debug Console, execute (and RESTART eventually):

  • call ace_atragmx_fnc_clear_user_data (LOCAL EXEC)
    or
  • call ace_atragmx_fnc_initGunList (LOCAL EXEC)

/!\ All private AtragMx GunList values must be saved manually before.

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