Ballistics - Add 12.7x108mm APDS AB values (#9191)

* 127x108_apds_compat_ace3

* 127x108_apds_compat_ace3

* 127x108_apds_compat_ace3

* 127x108_apds_compat_ace3

* 127x108_apds_compat_ace3

---------

Co-authored-by: Grim <69561145+LinkIsGrim@users.noreply.github.com>

addons/atragmx/functions/fnc_initGunList.sqf

@@ -33,6 +33,7 @@ if (_resetGunList) then {
     WARNING("Reseting Profile Gunlist");
     // Profile Name, Muzzle Velocity, Zero Range, Scope Base Angle, AirFriction, Bore Height, Scope Unit, Scope Click Unit, Scope Click Number, Maximum Elevation, Dialed Elevation, Dialed Windage, Mass, Bullet Diameter, Rifle Twist, BC, Drag Model, Atmosphere Model, Muzzle Velocity vs. Temperature Interpolation, C1 Ballistic Coefficient vs. Distance Interpolation, Persistent
     GVAR(gunList) =  [["12.7x108mm"        ,  820, 100, 0.0946366, -0.00065098, 8.89, 0, 2, 10, 120, 0, 0, 48.28, 12.7, 38.10, 0.630, 1, "ASM" , [[-15,801],[0,808],[10,815],[15,820],[25,834],[30,843],[35,854]]       , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
+                      ["12.7x108mm APDS"   , 1060, 100, 0.0766151, -0.00036000, 8.89, 0, 2, 10, 120, 0, 0, 27.95, 11.08, 38.10, 1.052, 1, "ICAO" , [[-15,1041],[0,1048],[10,1055],[15,1060],[25,1074],[30,1083],[35,1094]]       , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
 
                       ["12.7x99mm AMAX"    ,  852, 100, 0.0907214, -0.00037397, 8.89, 0, 2, 10, 120, 0, 0, 48.60, 12.7, 38.10, 1.050, 1, "ASM" , [[-15,833],[0,840],[10,847],[15,852],[25,866],[30,875],[35,886]]       , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
                       ["12.7x99mm"         ,  892, 100, 0.0879633, -0.00058679, 8.89, 0, 2, 10, 120, 0, 0, 41.92, 12.7, 38.10, 0.670, 1, "ASM" , [[-15,873],[0,880],[10,887],[15,892],[25,906],[30,915],[35,926]]       , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],

addons/ballistics/CfgAmmo.hpp

@@ -709,10 +709,20 @@ class CfgAmmo {
         ACE_muzzleVelocities[] = {828}; // muzzle velocity 828 m/s at 21°C (70°F: Temp vs MV chart zero), 820 m/s at 15°C (ASM: 15°C, 999,916 hPa, 78%) according to 5Rnd_127x108_Mag initSpeed
         ACE_barrelLengths[] = {730}; // GM6 Lynx barrel length https://gm6lynx.com/
     };
+
     class B_127x108_APDS: B_127x108_Ball {
-        typicalSpeed = 820;
+        ACE_caliber = 7.13; // Chinese 12.7x108mm APDS (Armour Piercing Discarding Sabot) https://i.imgur.com/8mlXD0e.png
-        airFriction = -0.00065098;
+        ACE_bulletLength = 34.08; // Chinese 12.7x108mm APDS (Armour Piercing Discarding Sabot) https://i.imgur.com/8mlXD0e.png
+        ACE_bulletMass = 27.95; // Average value from "Norinco 2017 Weapon Systems", Type 54 12.7x108 mm Tungsten APDS https://i-com.cdn.gaijin.net/monthly_2023_03/image.png.5e6ae14e7b69a610c716872abea1061e.png
+        ACE_ammoTempMuzzleVelocityShifts[] = {-26.55, -25.47, -22.85, -20.12, -16.98, -12.8, -7.64, -1.53, 5.96, 15.17, 26.19}; // Muzzle Velocity shift 0 at 70°F (21°C), -8m/s at 15°C
+        ACE_ballisticCoefficients[] = {1.052}; // Compromise based on bullet drops, times of flight and remaining velocities according to vanilla B_127x108_APDS airFriction -0.00036
+        ACE_velocityBoundaries[] = {};
+        ACE_standardAtmosphere = "ICAO";
+        ACE_dragModel = 1;
+        ACE_muzzleVelocities[] = {1068}; // muzzle velocity 1068 m/s at 21°C (70°F: Temp vs MV chart zero), 1060 m/s at 15°C (ICAO: 15°C, 1013.25 hPa, 0%) according to 5Rnd_127x108_APDS_Mag initSpeed
+        ACE_barrelLengths[] = {730}; // GM6 Lynx barrel length https://gm6lynx.com/
     };
+
     class B_45ACP_Ball: BulletBase {
         airFriction=-0.00082143;
         tracerScale = 0.6;

addons/ballistics/CfgMagazines.hpp

@@ -592,10 +592,6 @@ class CfgMagazines {
     };
 
     class 5Rnd_127x108_Mag;
-    class 5Rnd_127x108_APDS_Mag: 5Rnd_127x108_Mag {
-        initSpeed = 820;
-    };
-
     class ACE_5Rnd_127x99_Mag: 5Rnd_127x108_Mag {
         author = ECSTRING(common,ACETeam);
         ammo = "B_127x99_Ball";