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101 lines
4.5 KiB
Plaintext
101 lines
4.5 KiB
Plaintext
/*
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* Author: Pabst Mirror (based on Explosive attach by Garth de Wet (LH))
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* Approves placement of the lightObject, scans for an appropriate location and attaches
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* A player can release the attachObject with it floating in mid-air.
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* This will use lineIntersectsWith to scan towards the center of the vehicle to find a collision
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* ArmA's collision detection is of couse terrible and often misses collisions (difference between what we see and collision LOD)
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* So it does multiple scans at slighly different angles
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* This is VERY computationaly intensive, but doesn't happen that often.
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*
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* Arguments:
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* 0: Unit (player) <OBJECT>
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* 1: attachToVehicle <OBJECT>
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* 2: Item Classname (cfgWeapon/cfgMagazine) <STRING>
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* 3: Light Vehicle Classname <STRING>
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* 4: On Attach Text <STRING>
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* 5: Starting Pos of dummy item <ARRAY>
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*
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* Return Value:
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* Nothing
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*
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* Example:
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* No
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*
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* Public: No
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*/
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#include "script_component.hpp"
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private ["_startingOffset", "_startDistanceFromCenter", "_closeInUnitVector", "_closeInMax", "_closeInMin", "_setupObject", "_closeInDistance", "_endPosTestOffset", "_endPosTest", "_doesIntersect", "_startingPosShifted", "_startASL", "_endPosShifted", "_endASL", "_attachedObject", "_currentObjects", "_currentItemNames"];
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PARAMS_6(_unit,_attachToVehicle,_itemClassname,_itemVehClass,_onAtachText,_startingPosition);
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_startingOffset = _attachToVehicle worldToModel _startingPosition;
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_startDistanceFromCenter = vectorMagnitude _startingOffset;
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_closeInUnitVector = vectorNormalized (_startingOffset vectorFromTo [0,0,0]);
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_closeInMax = _startDistanceFromCenter;
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_closeInMin = 0;
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//Delete Local Placement Object
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deleteVehicle _setupObject;
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while {(_closeInMax - _closeInMin) > 0.01} do {
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_closeInDistance = (_closeInMax + _closeInMin) / 2;
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// systemChat format ["Trying %1 from %2 start %3", _closeInDistance, [_closeInMax, _closeInMin], _startDistanceFromCenter];
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_endPosTestOffset = _startingOffset vectorAdd (_closeInUnitVector vectorMultiply _closeInDistance);
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_endPosTestOffset set [2, (_startingOffset select 2)];
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_endPosTest = _attachToVehicle modelToWorldVisual _endPosTestOffset;
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_doesIntersect = false;
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{
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if (_doesIntersect) exitWith {};
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_startingPosShifted = _startingPosition vectorAdd _x;
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_startASL = if (surfaceIsWater _startingPosShifted) then {_startingPosShifted} else {ATLtoASL _startingPosShifted};
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{
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_endPosShifted = _endPosTest vectorAdd _x;
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_endASL = if (surfaceIsWater _startingPosShifted) then {_endPosShifted} else {ATLtoASL _endPosShifted};
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//Uncomment to see the lazor show, and see how the scanning works:
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// drawLine3D [_startingPosShifted, _endPosShifted, [1,0,0,1]];
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if (_attachToVehicle in lineIntersectsWith [_startASL, _endASL, _unit]) exitWith {_doesIntersect = true};
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} forEach [[0,0,0.045], [0,0,-0.045], [0,0.045,0], [0,-0.045,0], [0.045,0,0], [-0.045,0,0]];
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} forEach [[0,0,0], [0,0,0.05], [0,0,-0.05]];
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if (_doesIntersect) then {
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_closeInMax = _closeInDistance;
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} else {
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_closeInMin = _closeInDistance;
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};
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};
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_closeInDistance = (_closeInMax + _closeInMin) / 2;
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//Checks (too close to center or can't attach)
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if (((_startDistanceFromCenter - _closeInDistance) < 0.1) || {!([_attachToVehicle, _unit, _itemClassname] call FUNC(canAttach))}) exitWith {
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TRACE_2("no valid spot found",_closeInDistance,_startDistanceFromCenter);
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[localize "STR_ACE_Attach_Failed"] call EFUNC(common,displayTextStructured);
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};
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//Move it out slightly, for visability sake (better to look a little funny than be embedded//sunk in the hull and be useless)
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_closeInDistance = (_closeInDistance - 0.0085);
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//Create New 'real' Object
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_endPosTestOffset = _startingOffset vectorAdd (_closeInUnitVector vectorMultiply _closeInDistance);
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_endPosTestOffset set [2, (_startingOffset select 2)];
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_attachedObject = _itemVehClass createVehicle (getPos _unit);
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_attachedObject attachTo [_attachToVehicle, _endPosTestOffset];
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//Remove Item from inventory
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_unit removeItem _itemClassname;
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//Add Object to ACE_AttachedObjects and ACE_AttachedItemNames
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_currentObjects = _attachToVehicle getVariable [QGVAR(Objects), []];
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_currentObjects pushBack _attachedObject;
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_attachToVehicle setVariable [QGVAR(Objects), _currentObjects, true];
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_currentItemNames = _attachToVehicle getVariable [QGVAR(ItemNames), []];
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_currentItemNames pushBack _itemClassname;
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_attachToVehicle setVariable [QGVAR(ItemNames), _currentItemNames, true];
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[_onAtachText] call EFUNC(common,displayTextStructured);
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