Hearing - Fix explosions not affecting hearing (acemod#10002)

* Have explosions affect hearing

* Update fnc_explosion.sqf

* Update XEH_postInit.sqf

* Update addons/hearing/functions/fnc_explosion.sqf

Co-authored-by: PabstMirror <pabstmirror@gmail.com>

* Update fnc_explosion.sqf

* Make EH local

* Use sound entry instead

---------

Co-authored-by: PabstMirror <pabstmirror@gmail.com>

addons/hearing/XEH_PREP.hpp

@@ -1,6 +1,6 @@
 PREP(addEarPlugs);
 PREP(earRinging);
-PREP(explosionNear);
+PREP(explosion);
 PREP(firedNear);
 PREP(getAmmoLoudness);
 PREP(handleRespawn);

addons/hearing/XEH_postInit.sqf

@@ -35,6 +35,7 @@ GVAR(lastPlayerVehicle) = objNull;
     // Spawn volume updating process
     [LINKFUNC(updateVolume), 1, false] call CBA_fnc_addPerFrameHandler;
 
+    [QGVAR(explosion), LINKFUNC(explosion)] call CBA_fnc_addEventHandler;
     [QGVAR(updateVolume), LINKFUNC(updateVolume)] call CBA_fnc_addEventHandler;
 
     // Update veh attunation when player veh changes
@@ -71,12 +72,7 @@ GVAR(lastPlayerVehicle) = objNull;
             private _firedEH = _oldPlayer getVariable [QGVAR(firedEH), -1];
             _oldPlayer removeEventHandler ["FiredNear", _firedEH];
             _oldPlayer setVariable [QGVAR(firedEH), nil];
-
-            private _explosionEH = _oldPlayer getVariable [QGVAR(explosionEH), -1];
-            _oldPlayer removeEventHandler ["Explosion", _explosionEH];
-            _oldPlayer setVariable [QGVAR(explosionEH), nil];
-
-            TRACE_3("removed unit eh",_oldPlayer,_firedEH,_explosionEH);
+            TRACE_2("removed unit eh",_oldPlayer,_firedEH);
         };
         // Don't add a new EH if the unit respawned
         if ((_player getVariable [QGVAR(firedEH), -1]) == -1) then {
@@ -86,11 +82,7 @@ GVAR(lastPlayerVehicle) = objNull;
 
             private _firedEH = _player addEventHandler ["FiredNear", {call FUNC(firedNear)}];
             _player setVariable [QGVAR(firedEH), _firedEH];
-
-            private _explosionEH = _player addEventHandler ["Explosion", {call FUNC(explosionNear)}];
-            _player setVariable [QGVAR(explosionEH), _explosionEH];
-
-            TRACE_3("added unit eh",_player,_firedEH,_explosionEH);
+            TRACE_2("added unit eh",_player,_firedEH);
         };
 
         GVAR(deafnessDV) = 0;
@@ -100,6 +92,17 @@ GVAR(lastPlayerVehicle) = objNull;
         call FUNC(updateHearingProtection);
     }, true] call CBA_fnc_addPlayerEventHandler;
 
+    addMissionEventHandler ["ProjectileCreated", {
+        params ["_projectile"];
+
+        if (!local _projectile) exitWith {};
+
+        // Rockets only explode on local clients
+        _projectile addEventHandler ["Explode", {
+            [QGVAR(explosion), _this] call CBA_fnc_globalEvent;
+        }];
+    }];
+
     // Update protection on possible helmet change
     ["loadout", LINKFUNC(updateHearingProtection), false] call CBA_fnc_addPlayerEventHandler;
 }] call CBA_fnc_addEventHandler;

addons/hearing/functions/fnc_explosion.sqf

@@ -0,0 +1,55 @@
+#include "..\script_component.hpp"
+/*
+ * Author: johnb43
+ * Handles deafness due to explosions going off near the player.
+ *
+ * Arguments:
+ * 0: Projectile <OBJECT>
+ * 1: Explosion position ASL <ARRAY>
+ * 2: Velocity <ARRAY> (unused)
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * [_projectile, [0, 0, 0], [0, 0, 0]] call ace_hearing_fnc_explosion
+ *
+ * Public: No
+ */
+
+// Ignore spectators, curators and alike
+if ((getNumber (configOf ACE_player >> "isPlayableLogic")) == 1) exitWith {};
+
+params ["_projectile", "_pos"];
+
+// Don't allow for distances under 1
+private _distance = ((eyePos ACE_player) vectorDistance _pos) max 1;
+
+// Fast exit if explosion far away
+if (_distance > 100) exitWith {
+    TRACE_1("too far away",_distance);
+};
+
+private _ammoConfig = configOf _projectile;
+private _explosive = getNumber (_ammoConfig >> "explosive");
+
+private _vehAttenuation = [GVAR(playerVehAttenuation), 1] select (isNull objectParent ACE_player || {isTurnedOut ACE_player});
+
+TRACE_5("",typeOf _projectile,_distance,_explosive,_audibleFire,_vehAttenuation);
+
+(if (isArray (_ammoConfig >> "soundHit1")) then {
+    getArray (_ammoConfig >> "soundHit1")
+} else {
+    getArray (_ammoConfig >> "soundHit")
+}) params ["", ["_volume", 1], "", ["_maxDistance", 1500]];
+
+if (_distance > _maxDistance) exitWith {
+    TRACE_2("too far away",_distance,_maxDistance);
+};
+
+private _strength = _vehAttenuation * _explosive * _volume * _maxDistance / _distance^2;
+
+TRACE_2("strength",_volume,_strength);
+
+// Call immediately, as it will get picked up later by the update thread anyway
+_strength call FUNC(earRinging);