ACE3/addons/trenches/functions/fnc_placeTrench.sqf
2016-01-23 22:04:49 -03:00

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/*
* Author: Garth 'L-H' de Wet, Ruthberg, edited by commy2 for better MP and eventual AI support, esteldunedain
* Starts the place process for trench.
*
* Arguments:
* 0: unit <OBJECT>
* 1: Trench type <STRING>
*
* Return Value:
* None
*
* Example:
* [ACE_player] call ace_trenches_fnc_placeTrench
*
* Public: No
*/
#include "script_component.hpp"
params ["_unit","_trenchTypeName"];
GVAR(trenchType) = missionNamespace getVariable _trenchTypeName;
TRACE_2("",_trenchTypeName,GVAR(trenchType));
// prevent the placing unit from running
[_unit, "forceWalk", "ACE_Trenches", true] call EFUNC(common,statusEffect_set);
// create the trench
private "_trench";
_trench = createVehicle [GVAR(trenchType) select 1, [0, 0, 0], [], 0, "NONE"];
GVAR(trench) = _trench;
// prevent collisions with trench
["enableSimulationGlobal", [_trench, false]] call EFUNC(common,serverEvent);
GVAR(digDirection) = 0;
// pfh that runs while the dig is in progress
GVAR(digPFH) = [{
(_this select 0) params ["_unit", "_trench"];
// Cancel if the helper object is gone
if (isNull _trench) exitWith {
[_unit] call FUNC(digCancel);
};
// Cancel if the place is no longer suitable
if !([_unit, GVAR(trenchType)] call FUNC(canDigTrench)) exitWith {
[_unit] call FUNC(digCancel);
};
// Update trench position
private _basePos = eyePos _unit vectorAdd (positionCameraToWorld [0, 0, 2] vectorDiff positionCameraToWorld [0, 0, 0]);
private _angle = (GVAR(digDirection) + getDir _unit);
// Stick the trench to the ground
GVAR(trenchType) params ["", "", "_dx", "_dy", "_offset"];
private _minz = (getTerrainHeightASL _basePos);
private ["_ix","_iy"];
for [{_ix = -_dx/2},{_ix <= _dx/2},{_ix = _ix + _dx/3}] do {
for [{_iy = -_dy/2},{_iy <= _dy/2},{_iy = _iy + _dy/3}] do {
private _pos = _basePos vectorAdd ([cos _angle, -sin _angle, 0] vectorMultiply _ix)
vectorAdd ([sin _angle, +cos _angle, 0] vectorMultiply _iy);
_minz = _minz min (getTerrainHeightASL _pos);
#ifdef DEBUG_MODE_FULL
_pos set [2, getTerrainHeightASL _pos];
_pos2 = +_pos;
_pos2 set [2, getTerrainHeightASL _pos+2];
drawLine3D [ASLtoAGL _pos, ASLtoAGL _pos2, [1,1,0,1]];
#endif
};
};
_basePos set [2, _minz + _offset];
_trench setPosASL _basePos;
_trench setDir _angle;
}, 0, [_unit, _trench]] call CBA_fnc_addPerFrameHandler;
// add mouse button action and hint
[localize LSTRING(ConfirmDig), localize LSTRING(CancelDig), localize LSTRING(ScrollAction)] call EFUNC(interaction,showMouseHint);
_unit setVariable [QGVAR(Dig), [
_unit, "DefaultAction",
{GVAR(digPFH) != -1},
{[_this select 0] call FUNC(digConfirm)}
] call EFUNC(common,addActionEventHandler)];
_unit setVariable [QGVAR(Cancel), [
_unit, "zoomtemp",
{GVAR(digPFH) != -1},
{[_this select 0] call FUNC(digCancel)}
] call EFUNC(common,addActionEventHandler)];
_unit setVariable [QGVAR(isDigging), true, true];