Zombie AFK command

[ReuS]

Sharing my AFK command, inspired by THS.Shiniri command reworked it for my uses.

Features

• Paid AFK command ($10,000 per minute).
• If the player moves, they are refunded for the remaining time, and AFK mode is canceled.

cmd_afk(args){
    assert(string::to_lower(args[0]) == "!afk");
    if (args.size < 2){
        self tell("Usage: !afk <minutes>");
        return;
    }
    if (int(args[1]) < 0){
        self tell("You can't be afk for negative time");
        return;
    }
    if (!isNumeric(args[1])) {
        self tell("Invalid input! Please enter a valid number.");
        return;
    }

    if (int(args[1]) * 10000 > self.score){
        self tell("You don't have enough money to be afk for that long");
        return;
    }
    self.score -= int(args[1]) * 10000;

    seconds_to_be_afk = int(args[1]) * 60;
    if (seconds_to_be_afk > 1800) {
        self tell("You can't be afk for more than 30 minutes");
        return;
    }
    counter = 0;
    for (i = 3; i > 0; i--) {
        self tell("Going AFK in " + i + "...");
        wait 1;
    }
	old_origin = self.origin;
	old_angles = self getPlayerAngles();

    for(;;) {
        if (counter == 0) {
            self.ignoreme = 1; // Zombies wont find the player
            self enableInvulnerability(); // God mode is on
            say(self.name + " is ^1AFK for " + args[1] + " minute(s)");
        } else if (counter == seconds_to_be_afk) {
            self.ignoreme = 0;
            self disableInvulnerability();
            say (self.name + " is no longer AFK");
            break;
        } else if (seconds_to_be_afk - counter <= 10) {
            self tell("Time afk left: " + (seconds_to_be_afk - counter) + " seconds");
        } else if ((seconds_to_be_afk - counter) % 10 == 0) {
            self tell("Time afk left: " + (seconds_to_be_afk - counter) + " seconds");
        }

        // Check if the player has moved
        if (self.origin != old_origin || self getPlayerAngles() != old_angles) {
            remaining_seconds_afk = seconds_to_be_afk - counter;
            self.ignoreme = 0;
            self disableInvulnerability();
            self tell("You moved! AFK disabled. Refunding remaining time.");
            self.score += remaining_seconds_afk * 166;
            say (self.name + " is no longer AFK");
            break;
        }
        counter++;
        wait 1;
    }
}

isNumeric(str) {
    if (!isDefined(str) || str == "") {
        return false;
    }

    for (i = 0; i < str.size; i++) {
        if (str[i] < "0" || str[i] > "9") {
            return false;
        }
    }
    return true;
}