Merge pull request #7443 from acemod/hitreactions_throwWeapon

add function to throw current weapon

addons/hitreactions/XEH_PREP.hpp

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

addons/hitreactions/functions/fnc_throwWeapon.sqf

@@ -0,0 +1,49 @@
+#include "script_component.hpp"
+/*
+ * Author: commy2
+ * Makes the unit throw their currently selected weapon.
+ * Unit must be local and not inside a vehicle or attached to another object.
+ *
+ * Arguments:
+ * 0: Unit <OBJECT>
+ *
+ * Return Value:
+ * Weapon Holder
+ *
+ * Example:
+ * player call ace_hitreactions_fnc_throwWeapon
+ *
+ * Public: No
+ */
+
+#define OFFSET_LATERAL 0.59
+#define THROW_ANGLE 63.43
+#define THROW_VELOCITY 1.5
+#define THROW_TORQUE 0.2
+
+params ["_unit"];
+
+private _weapon = currentWeapon _unit;
+if (!isNull objectParent _unit || _weapon isEqualTo "") exitWith {objNull};
+
+private _data = weaponsItems _unit select {_x select 0 == _weapon} select 0;
+
+private _holder = createVehicle ["WeaponHolderSimulated", [0, 0, 0], [], 0, "CAN_COLLIDE"];
+_holder addWeaponWithAttachmentsCargoGlobal [_data, 1];
+
+private _vDir = _unit weaponDirection _weapon;
+private _vLat = vectorNormalized (_vDir vectorCrossProduct [0, 0, 1]);
+private _vUp = _vLat vectorCrossProduct _vDir;
+
+private _position = _unit modelToWorldWorld (_unit selectionPosition "RightHand") vectorAdd (_vLat vectorMultiply OFFSET_LATERAL);
+private _velocity = vectorNormalized (_vDir vectorAdd (_vUp vectorMultiply tan THROW_ANGLE)) vectorMultiply THROW_VELOCITY vectorAdd velocity _unit;
+
+_unit removeWeapon _weapon;
+_holder setPosWorld _position;
+_holder setVectorDirAndUp [_vUp, _vLat];
+_holder setVelocity _velocity;
+_holder addTorque (call CBA_fnc_randomVector3D vectorMultiply THROW_TORQUE);
+
+["ACE_weaponThrown", [_unit, _holder, _data]] call CBA_fnc_localEvent;
+
+_holder // return