ACE3/addons/cargo/functions/fnc_startDeploy.sqf
Smith 8731bcc8b5
Cargo - Add alternative unloading item from vehicle cargo (#8827)
Co-authored-by: johnb432 <58661205+johnb432@users.noreply.github.com>
Co-authored-by: LinkIsGrim <salluci.lovi@gmail.com>
Co-authored-by: Grim <69561145+LinkIsGrim@users.noreply.github.com>
2024-02-07 09:16:18 -03:00

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#include "..\script_component.hpp"
/*
* Author: Garth 'L-H' de Wet, Ruthberg, commy2, Smith
* Starts the deploy process for unloading an object.
*
* Arguments:
* 0: Unit deploying <OBJECT>
*
* Return Value:
* None
*
* Example:
* player call ace_cargo_fnc_startDeploy
*
* Public: No
*/
// Deny creating preview item as it will destroy player vehicle instantly by collision
if (GVAR(interactionParadrop)) exitWith {};
params ["_unit"];
// Don't allow deploying if already deploying
if (_unit getVariable [QGVAR(isDeploying), false]) exitWith {};
// This can be an object or a classname string
private _item = call FUNC(getSelectedItem);
if (isNil "_item") exitWith {};
// Close opened cargo menu
closeDialog 0;
GVAR(selectedItem) = _item;
private _classname = _item;
if (_classname isEqualType objNull) then {
_classname = typeOf _classname;
};
// Prevent the placing unit from running
[_unit, "forceWalk", QUOTE(ADDON), true] call EFUNC(common,statusEffect_set);
[_unit, "blockThrow", QUOTE(ADDON), true] call EFUNC(common,statusEffect_set);
// Create a local preview object
private _itemPreviewObject = createVehicleLocal [_classname, [0, 0, 0], [], 0, "CAN_COLLIDE"];
GVAR(itemPreviewObject) = _itemPreviewObject;
// Prevent collisions with object
_itemPreviewObject disableCollisionWith _unit;
_itemPreviewObject enableSimulation false;
_itemPreviewObject setMass 1e-12;
// Detect radius of zone where collision can damage the player
private _itemPreviewObjectRadius = 1 max ((boundingBoxReal [_itemPreviewObject, "FireGeometry"]) select 2);
// Add height offset of model
private _offset = ((_itemPreviewObject modelToWorldVisual [0, 0, 0]) select 2) - ((_unit modelToWorldVisual [0, 0, 0]) select 2) + 1;
// Attach object
_itemPreviewObject attachTo [_unit, [0, 1.5 * _itemPreviewObjectRadius, _offset]];
// PFH that runs while the deployment is in progress
GVAR(deployPFH) = [{
(_this select 0) params ["_unit", "_vehicle", "_item", "_itemPreviewObject"];
if !(
!isNull _itemPreviewObject &&
{[_item, _vehicle, _unit, false, true] call FUNC(canUnloadItem)} // don't check for a suitable unloading position when deploying
) exitWith {
_unit call FUNC(deployCancel);
};
}, 0.5, [_unit, GVAR(interactionVehicle), _item, _itemPreviewObject]] call CBA_fnc_addPerFrameHandler;
// Add mouse button action and hint
[LLSTRING(unloadObject), localize "STR_DISP_CANCEL", LLSTRING(scrollAction)] call EFUNC(interaction,showMouseHint);
_unit setVariable [QGVAR(deploy), [
_unit, "DefaultAction",
{GVAR(deployPFH) != -1},
{[_this select 0] call FUNC(deployConfirm)}
] call EFUNC(common,addActionEventHandler)];
_unit setVariable [QGVAR(isDeploying), true, true];