Hit Reactions - Add weapon dropping on arm hit

addons/hitreactions/CfgEventHandlers.hpp

@@ -11,6 +11,12 @@ class Extended_PreInit_EventHandlers {
     };
 };
 
+class Extended_PostInit_EventHandlers {
+    class ADDON {
+        init = QUOTE(call COMPILE_SCRIPT(XEH_postInit));
+    };
+};
+
 class Extended_Hit_EventHandlers {
     class CAManBase {
         class ADDON {

addons/hitreactions/XEH_PREP.hpp

@@ -1,3 +1,4 @@
 
 PREP(fallDown);
 PREP(getRandomAnimation);
+PREP(checkWeaponDrop);

addons/hitreactions/XEH_postInit.sqf

@@ -0,0 +1,21 @@
+#include "script_component.hpp"
+
+["ace_firedNonPlayer", {
+    params ["", "", "", "", "", "", "_projectile"];
+    private _willDrop = (random 1) > GVAR(weaponDropChance);
+    if (!_willDrop || !GVAR(weaponDropEnabled)) exitWith {};
+    _projectile addEventHandler ["HitPart", { 
+        params ["_projectile", "_hitEntity", "_projectileOwner", "_pos", "_velocity", "_normal", "_components", "_radius" ,"_surfaceType"];
+        [_surfaceType, _components, _pos] call FUNC(checkWeaponDrop);
+    }];
+}] call CBA_fnc_addEventHandler;
+
+["ace_firedPlayer", {
+    params ["", "", "", "", "", "", "_projectile"];
+    private _willDrop = (random 1) > GVAR(weaponDropChance);
+    if (!_willDrop || !GVAR(weaponDropEnabled)) exitWith {};
+    _projectile addEventHandler ["HitPart", { 
+        params ["_projectile", "_hitEntity", "_projectileOwner", "_pos", "_velocity", "_normal", "_components", "_radius" ,"_surfaceType"];
+        [_surfaceType, _components, _pos] call FUNC(checkWeaponDrop);
+    }];
+}] call CBA_fnc_addEventHandler;

addons/hitreactions/functions/fnc_checkWeaponDrop.sqf

@@ -0,0 +1,35 @@
+#include "..\script_component.hpp"
+/*
+ * Author: KJW
+ * Checks if unit should drop weapon based on projectile hit info
+ *
+ * Arguments:
+ * 0: surfaceType <STRING>
+ * 1: components <ARRAY>
+ * 2: position <ARRAY>
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * ["", [], [1,1,1]] call ACE_hitreactions_fnc_checkWeaponDrop
+ *
+ * Public: No
+ */
+
+params ["_surfaceType", "_components", "_position"];
+
+if (!(_surfaceType isEqualTo "" && _components isEqualTo [])) exitWith {}; // Could be potential for edge cases here however couldn't find any from testing.
+
+private _weapon = currentWeapon _unit;
+if (_weapon in GVAR(undroppableGuns)) exitWith {};
+private _unit = nearestObject [_pos, "CAManBase"];
+private _thrownGun = _unit call ace_common_fnc_throwWeapon;
+[
+    {
+        params ["_thrownGun", "_weapon", "_unit"];
+        _unit action ["TakeWeapon", _thrownGun, _weapon];
+    },
+    [_thrownGun, _weapon, _unit],
+    random [1,2,3]
+] call CBA_fnc_waitAndExecute;

addons/hitreactions/initSettings.sqf

@@ -7,3 +7,18 @@ private _category = [LELSTRING(common,categoryUncategorized), QUOTE(COMPONENT_BE
     [-1, 1, 0.1, 1],
     1
 ] call CBA_fnc_addSetting;
+
+[
+    QGVAR(weaponDropEnabled), "CHECKBOX",
+    LSTRING(weaponDropEnabled_displayName),
+    _category,
+    true
+] call CBA_fnc_addSetting;
+
+[
+    QGVAR(weaponDropChance), "SLIDER",
+    LSTRING(weaponDropChance_displayName),
+    _category,
+    [0, 1, 0.5, 1],
+    1
+] call CBA_fnc_addSetting;

addons/hitreactions/stringtable.xml

@@ -17,5 +17,8 @@
             <Turkish>Düşmeyi tetikleyen min hasar</Turkish>
             <Spanish>Daño mínimo para provocar la caída</Spanish>
         </Key>
+        <Key ID="STR_ACE_HitReactions_weaponDropEnabled_displayName">
+            <English>Enable Weapon Drop on Gun Hit</English>
+        </Key>
     </Package>
 </Project>