From 0bae4511e4d791e32b5c06e6d766b288872f5856 Mon Sep 17 00:00:00 2001
From: ulteq <ulteq@users.noreply.github.com>
Date: Fri, 3 Nov 2017 22:01:02 +0100
Subject: [PATCH] ATragMX - Fixed UI (C1 vs. Distance interpolation) (#5720)

* The C1 coefficient needs to be updated automatically whenever the target range changes
---
 addons/atragmx/functions/fnc_change_target_slot.sqf | 5 ++---
 addons/atragmx/functions/fnc_init.sqf               | 2 ++
 addons/atragmx/functions/fnc_parse_input.sqf        | 6 ++++++
 addons/atragmx/functions/fnc_sord.sqf               | 2 ++
 4 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/addons/atragmx/functions/fnc_change_target_slot.sqf b/addons/atragmx/functions/fnc_change_target_slot.sqf
index 158e31ad87..6fd3889309 100644
--- a/addons/atragmx/functions/fnc_change_target_slot.sqf
+++ b/addons/atragmx/functions/fnc_change_target_slot.sqf
@@ -15,10 +15,9 @@
  */
 #include "script_component.hpp"
 
-private _target = 0 max _this min 3;
+GVAR(currentTarget) = 0 max _this min 3;
 
-[] call FUNC(parse_input);
+GVAR(targetRangeDirtyFlag) = true;
 
-GVAR(currentTarget) = _target;
 call FUNC(update_target_selection);
 call FUNC(calculate_target_solution);
diff --git a/addons/atragmx/functions/fnc_init.sqf b/addons/atragmx/functions/fnc_init.sqf
index a574e946f8..28b5202670 100644
--- a/addons/atragmx/functions/fnc_init.sqf
+++ b/addons/atragmx/functions/fnc_init.sqf
@@ -84,6 +84,8 @@ GVAR(truingDropMuzzleVelocity) = 0;
 
 GVAR(targetSolutionInput) = nil;
 
+GVAR(targetRangeDirtyFlag) = false;
+
 GVAR(showMainPage) = true;
 GVAR(showAddNewGun) = false;
 GVAR(showAtmoEnvData) = false;
diff --git a/addons/atragmx/functions/fnc_parse_input.sqf b/addons/atragmx/functions/fnc_parse_input.sqf
index 05615d04e4..3ff40bbbcc 100644
--- a/addons/atragmx/functions/fnc_parse_input.sqf
+++ b/addons/atragmx/functions/fnc_parse_input.sqf
@@ -99,6 +99,7 @@ if (GVAR(currentUnit) == 1) then {
 } else {
     _targetRange = 25 max _targetRange min 3700;
 };
+GVAR(targetRangeDirtyFlag) = GVAR(targetRangeDirtyFlag) || {_targetRange != GVAR(targetRange) select GVAR(currentTarget)};
 GVAR(latitude) set [GVAR(currentTarget), -90 max Round(parseNumber(ctrlText 140000)) min 90];
 GVAR(directionOfFire) set [GVAR(currentTarget), 0 max abs(Round(parseNumber(ctrlText 140010))) min 359];
 GVAR(windSpeed1) set [GVAR(currentTarget), _windSpeed1];
@@ -173,6 +174,11 @@ if (_muzzleVelocity != GVAR(workingMemory) select 1) then {
 GVAR(workingMemory) set [1, _muzzleVelocity];
 GVAR(workingMemory) set [2, _zeroRange];
 
+if (GVAR(targetRangeDirtyFlag) && missionNamespace getVariable [QEGVAR(advanced_ballistics,enabled), false]) then {
+    [false, false] call FUNC(recalculate_c1_ballistic_coefficient);
+    GVAR(targetRangeDirtyFlag) = false;
+};
+
 [] call FUNC(update_gun);
 [] call FUNC(update_gun_ammo_data);
 [] call FUNC(update_atmosphere);
diff --git a/addons/atragmx/functions/fnc_sord.sqf b/addons/atragmx/functions/fnc_sord.sqf
index 792d727c70..c6f77f748b 100644
--- a/addons/atragmx/functions/fnc_sord.sqf
+++ b/addons/atragmx/functions/fnc_sord.sqf
@@ -21,6 +21,8 @@ if (!GVAR(initialised)) exitWith {};
 
 params ["_slopeDistance", "_azimuth", "_inclination"];
 
+GVAR(targetRangeDirtyFlag) = (round(_slopeDistance) != (GVAR(targetRange) select GVAR(currentTarget)));
+
 GVAR(inclinationAngle) set [GVAR(currentTarget), round(_inclination)];
 GVAR(directionOfFire) set [GVAR(currentTarget), round(_azimuth)];
 GVAR(targetRange) set [GVAR(currentTarget), round(_slopeDistance)];