ACE3/addons/maptools/functions/fnc_handleMouseButton.sqf
PabstMirror de1c4bc4d9 Draw Straight Lines with maptool (#4410)
* Draw Straight Lines

* Fix roamer sides, handle closing map mid-draw

* Add missing privates / formula notes
2016-10-07 17:21:19 -05:00

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/*
* Author: esteldunedain
* Handle mouse buttons.
*
* Arguments:
* 0: 1 if mouse down down, 0 if mouse button up (Number)
* 1: Parameters of the mouse button event
*
* Return Value:
* Boolean, true if event was handled
*/
#include "script_component.hpp"
params ["_dir", "_params"];
_params params ["_control", "_button", "_screenPosX", "_screenPosY", "_shiftKey", "_ctrlKey", "_altKey"];
TRACE_2("params",_dir,_params);
// Using line drawing
if ((_button == 0) && {GVAR(freedrawing) || _ctrlKey}) exitWith {
if (GVAR(freedrawing) && {_dir == 0}) then {
GVAR(freedrawing) = false;
GVAR(drawPosEnd) = _control ctrlMapScreenToWorld [_screenPosX, _screenPosY];
TRACE_1("Ending Line",GVAR(freedrawing),GVAR(drawPosEnd));
[{
if (allMapMarkers isEqualTo []) exitWith {};
private _markerName = allMapMarkers select (count allMapMarkers - 1);
private _markerPos = getMarkerPos _markerName;
private _distanceCheck = _markerPos distance2d GVAR(drawPosStart);
TRACE_3("Line Drawn",_markerName,_markerPos,_distanceCheck);
if (_distanceCheck > 1) exitWith {WARNING("Wrong Marker!");};
if ((count GVAR(freeDrawingData)) != 3) exitWith {TRACE_1("never touched roamer",GVAR(freeDrawingData));};
GVAR(freeDrawingData) params ["", "_startStraightPos", "_endStraightPos"];
_startStraightPos set [2, 0];
_endStraightPos set [2, 0];
// Convert marker to rectangle and change it's pos/size/dir
_markerName setMarkerShape "RECTANGLE";
private _difPos = _endStraightPos vectorDiff _startStraightPos;
private _mag = vectorMagnitude _difPos;
_markerName setMarkerPos (_startStraightPos vectorAdd (_difPos vectorMultiply 0.5));
_markerName setMarkerSize [10, _mag / 2];
_markerName setMarkerDir (_difPos call CBA_fnc_vectDir);
}, []] call CBA_fnc_execNextFrame;
} else {
if (_ctrlKey && {_dir == 1}) then {
GVAR(freeDrawingData) = [];
GVAR(freedrawing) = true;
GVAR(drawPosStart) = _control ctrlMapScreenToWorld [_screenPosX, _screenPosY];
TRACE_2("Starting Line",GVAR(freedrawing),GVAR(drawPosStart));
} else {
GVAR(freedrawing) = false;
TRACE_1("weird - reseting",GVAR(freedrawing));
};
};
false
};
private _handled = false;
// If it's not a left button event, exit
if (_button != 0) exitWith {_handled};
// If releasing
if (_dir != 1) then {
if (GVAR(mapTool_isDragging) || GVAR(mapTool_isRotating)) then {
GVAR(mapTool_isDragging) = false;
GVAR(mapTool_isRotating) = false;
_handled = true;
};
} else {
// If clicking
if !(call FUNC(canUseMapTools)) exitWith {};
// Transform mouse screen position to coordinates
private _pos = _control ctrlMapScreenToWorld [_screenPosX, _screenPosY];
_pos set [count _pos, 0];
GVAR(mapTool_isDragging) = false;
GVAR(mapTool_isRotating) = false;
// If no map tool marker then exit
if (GVAR(mapTool_Shown) == 0) exitWith {};
// Check if clicking the maptool
if (_pos call FUNC(isInsideMapTool)) exitWith {
// Store data for dragging
GVAR(mapTool_startPos) = + GVAR(mapTool_pos);
GVAR(mapTool_startDragPos) = + _pos;
private _rotateKeyPressed = switch (GVAR(rotateModifierKey)) do {
case (1): {_altKey};
case (2): {_ctrlKey};
case (3): {_shiftKey};
default {false};
};
if (_rotateKeyPressed) then {
// Store data for rotating
GVAR(mapTool_startAngle) = + GVAR(mapTool_angle);
GVAR(mapTool_startDragAngle) = (180 + ((GVAR(mapTool_startDragPos) select 0) - (GVAR(mapTool_startPos) select 0)) atan2 ((GVAR(mapTool_startDragPos) select 1) - (GVAR(mapTool_startPos) select 1)) mod 360);
// Start rotating
GVAR(mapTool_isRotating) = true;
} else {
// Start dragging
GVAR(mapTool_isDragging) = true;
};
_handled = true;
};
};
_handled