ACE3/addons/maptools/functions/fnc_handleKeyDown.sqf
2015-03-24 01:18:00 -03:00

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/*
* Author: esteldunedain
*
* Handle key down on map.
*
* Argument:
* 0: Display (display)
* 1: Key code (number)
* 2: Shift Key (boolean)
* 3: Ctrl Key (boolean)
* 4: Alt Key (boolean)
*
* Return value:
* Boolean, true if event was handled
*/
#include "script_component.hpp"
private ["_dir", "_params", "_control", "_button", "_screenPos", "_shiftKey", "_ctrlKey", "_handled", "_pos"];
_display = _this select 0;
_code = _this select 1;
_shiftKey = _this select 2;
_ctrlKey = _this select 3;
_altKey = _this select 4;
_handled = false;
#define DIK_ESCAPE 0x01
#define DIK_DELETE 0xD3
// If pressed Esc while drawing
if (_code == DIK_ESCAPE) exitWith {
if (GVAR(drawing_isDrawing)) then {
call FUNC(cancelDrawing);
_handled = true;
};
};
if (_code == DIK_DELETE) exitWith {
if (GVAR(drawing_isDrawing)) then {
call FUNC(cancelDrawing);
_handled = true;
} else {
// Check if a line marker needs to be deleted
{
_relPos = GVAR(mousePosition) vectorDiff (_x select 1);
_diffVector = (_x select 2) vectorDiff (_x select 1);
_magDiffVector = vectorMagnitude _diffVector;
if (_magDiffVector == 0) then {
_diffVector = [10,0,0];
_magDiffVector = vectorMagnitude _diffVector;
};
_diffVector = _diffVector vectorMultiply (1/_magDiffVector);
// Projection of the relative position over the longitudinal axis
_lambdaLong = _diffVector vectorDotProduct _relPos;
// Projection of the relative position over the trasversal axis
_lambdaTrasAbs = vectorMagnitude (_relPos vectorDiff (_diffVector vectorMultiply _lambdaLong));
if (_lambdaLong >= 0 && _lambdaLong <= _magDiffVector && _lambdaTrasAbs <= 5) exitWith {
// Delete the line marker
if (GVAR(drawing_syncMarkers)) then {
["drawing_removeLineMarker", [_x select 0]] call EFUNC(common,globalEvent);
} else {
deleteMarkerLocal (_x select 0);
GVAR(drawing_lineMarkers) = GVAR(drawing_lineMarkers) - [_x];
};
_handled = true;
};
} forEach GVAR(drawing_lineMarkers);
};
};
_handled