Night Vision - Use slotItemChanged event (#9782)

* Night Vision - Use slotItemChanged event

* update header

* Run on ACE_player instead of all units

* Update XEH_postInit.sqf

---------

Co-authored-by: johnb432 <58661205+johnb432@users.noreply.github.com>

Author: LinkIsGrim

addons/nightvision/XEH_PREP.hpp

@@ -4,7 +4,7 @@ PREP(initModule);
 PREP(nonDedicatedFix);
 PREP(onCameraViewChanged);
 PREP(onFiredPlayer);
-PREP(onLoadoutChanged);
+PREP(onSlotItemChanged);
 PREP(onVisionModeChanged);
 PREP(pfeh);
 PREP(refreshGoggleType);

addons/nightvision/XEH_postInit.sqf

@@ -30,12 +30,18 @@ GVAR(isUsingMagnification) = false;
     TRACE_4("settingsInitialized",GVAR(disableNVGsWithSights),GVAR(fogScaling),GVAR(noiseScaling),GVAR(effectScaling));
 
     ["visionMode", LINKFUNC(onVisionModeChanged), false] call CBA_fnc_addPlayerEventHandler;
-    ["loadout", LINKFUNC(onLoadoutChanged), true] call CBA_fnc_addPlayerEventHandler;
     ["cameraView", LINKFUNC(onCameraViewChanged), true] call CBA_fnc_addPlayerEventHandler;
     ["vehicle", LINKFUNC(refreshGoggleType), false] call CBA_fnc_addPlayerEventHandler;
     ["turret", LINKFUNC(refreshGoggleType), true] call CBA_fnc_addPlayerEventHandler;
     ["ACE_controlledUAV", LINKFUNC(refreshGoggleType)] call CBA_fnc_addEventHandler;
 
+    ["unit", {
+        // Call manually to update existing value
+        [] call FUNC(refreshGoggleType);
+    }, true] call CBA_fnc_addPlayerEventHandler;
+
+    [QGVAR(slotItemChanged), "SlotItemChanged", LINKFUNC(onSlotItemChanged)] call CBA_fnc_addBISPlayerEventHandler;
+
     // handle only brightness if effects are disabled
     GVAR(ppEffectNVGBrightness) = ppEffectCreate ["ColorCorrections", 1236];
     GVAR(ppEffectNVGBrightness) ppEffectForceInNVG true;
@@ -97,4 +103,3 @@ WARNING("Debug mouse wheel action enabled, this should NOT be in a final release
     };
 }] call CBA_fnc_addDisplayHandler;
 #endif
-

addons/nightvision/functions/fnc_onLoadoutChanged.sqf

@@ -0,0 +1,33 @@
+#include "..\script_component.hpp"
+/*
+ * Author: Dslyecxi, PabstMirror, LinkIsGrim
+ * Refreshes nvg effect if switching NVG goggles.
+ *
+ * Arguments:
+ * 0: Unit <OBJECT>
+ * 1: Slot item <STRING>
+ * 2: Slot number <NUMBER>
+ * 3: Item assigned <BOOL>
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * [player, "ACE_NVG_Wide", 616, true] call ace_nightvision_fnc_onSlotItemChanged
+ *
+ * Public: No
+ */
+
+params ["_unit", "_item", "_slot", "_assign"];
+TRACE_4("onSlotItemChanged",_unit,_item,_slot,_assign);
+
+if (_slot != TYPE_HMD) exitWith {};
+
+if (!_assign) exitWith {
+    GVAR(playerHMD) = "";
+};
+
+if (_item != GVAR(playerHMD)) then {
+    GVAR(playerHMD) = _item;
+    [] call FUNC(refreshGoggleType);
+};