[TUTORIAL] Rucksäcke unsichtbar machen (Cop/Medics)

#include "..\script_macros.hpp"
/*
    File: fn_survival.sqf
    Author: Bryan "Tonic" Boardwine

    Description:
    All survival? things merged into one thread.
*/
private ["_fnc_food","_fnc_water","_foodTime","_waterTime","_bp","_walkDis","_lastPos","_curPos"];
_fnc_food =  {
    if (life_hunger < 2) then {player setDamage 1; hint localize "STR_NOTF_EatMSG_Death";}
    else
    {
        life_hunger = life_hunger - 10;
        [] call life_fnc_hudUpdate;
        if (life_hunger < 2) then {player setDamage 1; hint localize "STR_NOTF_EatMSG_Death";};
        switch (life_hunger) do {
            case 30: {hint localize "STR_NOTF_EatMSG_1";};
            case 20: {hint localize "STR_NOTF_EatMSG_2";};
            case 10: {
                hint localize "STR_NOTF_EatMSG_3";
                if (LIFE_SETTINGS(getNumber,"enable_fatigue") isEqualTo 1) then {player setFatigue 1;};
            };
        };
    };
};

_fnc_water = {
    if (life_thirst < 2) then {player setDamage 1; hint localize "STR_NOTF_DrinkMSG_Death";}
    else
    {
        life_thirst = life_thirst - 10;
        [] call life_fnc_hudUpdate;
        if (life_thirst < 2) then {player setDamage 1; hint localize "STR_NOTF_DrinkMSG_Death";};
        switch (life_thirst) do  {
            case 30: {hint localize "STR_NOTF_DrinkMSG_1";};
            case 20: {
                hint localize "STR_NOTF_DrinkMSG_2";
                if (LIFE_SETTINGS(getNumber,"enable_fatigue") isEqualTo 1) then {player setFatigue 1;};
            };
            case 10: {
                hint localize "STR_NOTF_DrinkMSG_3";
                if (LIFE_SETTINGS(getNumber,"enable_fatigue") isEqualTo 1) then {player setFatigue 1;};
            };
        };
    };
};

//Setup the time-based variables.
_foodTime = time;
_waterTime = time;
_walkDis = 0;
_bp = "";
_lastPos = visiblePosition player;
_lastPos = (_lastPos select 0) + (_lastPos select 1);
_lastState = vehicle player;

for "_i" from 0 to 1 step 0 do {
    /* Thirst / Hunger adjustment that is time based */
    if ((time - _waterTime) > 600) then {[] call _fnc_water; _waterTime = time;};
    if ((time - _foodTime) > 850) then {[] call _fnc_food; _foodTime = time;};

    /* Adjustment of carrying capacity based on backpack changes */
    if (backpack player isEqualTo "") then {
        life_maxWeight = LIFE_SETTINGS(getNumber,"total_maxWeight");
     } else {
        if (!(backpack player isEqualTo "") && {!(backpack player isEqualTo _bp)}) then {
            _bp = backpack player;
            life_maxWeight = LIFE_SETTINGS(getNumber,"total_maxWeight") + round(FETCH_CONFIG2(getNumber,"CfgVehicles",_bp,"maximumload") / 4);
        };
    };

    /* Check if the player's state changed? */
    if (!(vehicle player isEqualTo _lastState) || {!alive player}) then {
        [] call life_fnc_updateViewDistance;
        _lastState = vehicle player;
    };

    /* Check if the weight has changed and the player is carrying to much */
    if (life_carryWeight > life_maxWeight && {!isForcedWalk player}) then {
        player forceWalk true;
        if (LIFE_SETTINGS(getNumber,"enable_fatigue") isEqualTo 1) then {player setFatigue 1;};
        hint localize "STR_NOTF_MaxWeight";
    } else {
        if (isForcedWalk player) then {
            player forceWalk false;
        };
    };
   

    /* Travelling distance to decrease thirst/hunger which is captured every second so the distance is actually greater then 650 */
    if (!alive player) then {_walkDis = 0;} else {
        _curPos = visiblePosition player;
        _curPos = (_curPos select 0) + (_curPos select 1);
        if (!(_curPos isEqualTo _lastPos) && {(isNull objectParent player)}) then {
            _walkDis = _walkDis + 1;
            if (_walkDis isEqualTo 650) then {
                _walkDis = 0;
                life_thirst = life_thirst - 5;
                life_hunger = life_hunger - 5;
                [] call life_fnc_hudUpdate;
            };
        };
        _lastPos = visiblePosition player;
        _lastPos = (_lastPos select 0) + (_lastPos select 1);
    };
    uiSleep 1;
};

[] spawn
{
 private["_bp","_load","_cfg"];
 while{true} do
 {
 waitUntil {backpack player != ""};
 _bp = backpack player;
 _cfg = getNumber(configFile >> "CfgVehicles" >> (backpack player) >> "maximumload");
 _load = round(_cfg / 8);
 life_maxWeight = life_maxWeightT + _load;
 if(playerSide == west) then {(unitBackpack player) setObjectTextureGlobal [0,""];}; // <---- Sac invisible chez les flics
 if(playerSide == independent) then {(unitBackpack player) setObjectTextureGlobal [0,""];}; // <----- Sac Invisible chez les Medics
 waitUntil {backpack player != _bp};
 if(backpack player == "") then 
 {
 life_maxWeight = life_maxWeightT;
 };
 };
};