ACE3/addons/spectator/functions/fnc_updateCameraModes.sqf

#include "..\script_component.hpp"
/*
 * Author: kymckay
 * Adds or removes spectator camera modes from the selection available to the local player.
 * Possible camera modes are:
 *   - 0: Free
 *   - 1: First person
 *   - 2: Follow
 *
 * Default selection is [0,1,2]
 *
 * Arguments:
 * 0: Camera modes to add <ARRAY>
 * 1: Camera modes to remove <ARRAY>
 *
 * Return Value:
 * Available camera modes <ARRAY>
 *
 * Example:
 * [[0], [1,2]] call ace_spectator_fnc_updateCameraModes
 *
 * Public: Yes
 */

if !(EGVAR(common,settingsInitFinished)) exitWith {
    EGVAR(common,runAtSettingsInitialized) pushBack [DFUNC(updateCameraModes),_this];
};

params [["_addModes",[],[[]]], ["_removeModes",[],[[]]]];

private _currentModes = GVAR(availableModes);

// Restrict additions to only possible values
private _newModes = _addModes arrayIntersect ALL_MODES;
_newModes append (_currentModes - _removeModes);

_newModes = _newModes arrayIntersect _newModes;
_newModes sort true;

// Can't become an empty array
if (_newModes isEqualTo []) then {
    WARNING("Cannot remove all spectator camera modes");
} else {
    GVAR(availableModes) = _newModes;
};

// Update camera in case of change
if (!isNil QGVAR(camera)) then {
    // If mode was free and no longer available, find a focus
    if (!(MODE_FREE in _newModes) && {GVAR(camMode) == MODE_FREE} && {isNull GVAR(camFocus)}) then {
        [true] call FUNC(setFocus);
    };

    [GVAR(camMode)] call FUNC(cam_setCameraMode);
};

_newModes