/*
 * Author: commy2 and esteldunedain
 * Updates and applys the current deafness.  Called every 0.1 sec from a PFEH.
 *
 * Arguments:
 * None
 *
 * Return Value:
 * None
 *
 * Example:
 * [] call ace_hearing_fnc_updateVolume
 *
 * Public: No
 */
#include "script_component.hpp"

#define STRENGHTODEAFNESS 3
#define MAXDEAFNESS 1.1

private ["_recoverRate", "_volume"];

// Exit if combat deafness is disabled
if !(GVAR(enableCombatDeafness)) exitWith {};

// Check if new noises increase deafness
if (GVAR(newStrength) * STRENGHTODEAFNESS > GVAR(currentDeafness)) then {
    GVAR(currentDeafness) = GVAR(newStrength) * STRENGHTODEAFNESS min MAXDEAFNESS;
};
GVAR(newStrength) = 0;

// Recover rate is slower if deafness is severe
_recoverRate = 0.01;
if (GVAR(currentDeafness) > 0.7) then {
    _recoverRate = 0.005;
    if (GVAR(currentDeafness) > 0.9) then {
        _recoverRate = 0.002;
    };
};

// Deafness recovers with ACE_time
GVAR(currentDeafness) = GVAR(currentDeafness) - _recoverRate max 0;

// needed until Bohemia fixes playSound to actually use the second argument
_volume = (1 - GVAR(currentDeafness) max 0)^2 max 0.04;

// Earplugs reduce hearing 50%
if ([ACE_player] call FUNC(hasEarPlugsIn)) then {
    _volume = _volume min GVAR(EarplugsVolume);
};

// Reduce volume if player is unconscious
if (ACE_player getVariable ["ACE_isUnconscious", false]) then {
    _volume = _volume min GVAR(UnconsciousnessVolume);
};

if (!(missionNameSpace getVariable [QGVAR(disableVolumeUpdate), false])) then {
    0.1 fadeSound _volume;
    0.1 fadeSpeech _volume;
    ACE_player setVariable ["tf_globalVolume", _volume];
    if (!isNil "acre_api_fnc_setGlobalVolume") then {[_volume^(0.33)] call acre_api_fnc_setGlobalVolume;};
};

//hintSilent format ["GVAR(currentDeafness), _Volume = %1, %2", GVAR(currentDeafness), _volume];