smp-datapack/src/database/crypt.jmc

@lazy
function test_hashInteger($test_val) {
	$integerToHash = $test_val;

	database.crypt.hashInteger();

	tellraw @a $hashedInteger.toString();

	database.crypt.clean();

	tellraw @a $hashedInteger.toString();
}

class database.crypt {
	function hashString() {}

	function hashInteger() {
		$cryptMultiplyer = 49;
		$cryptConstant = 7;
		$cryptPrime = 15331;

		#
		# $integerToHash must already be initialized
		#
		$hashedInteger = $integerToHash;
		$hashedInteger *= $cryptMultiplyer;
		$hashedInteger += $cryptConstant;
		$hashedInteger %= $cryptPrime;

		# run database.crypt.clean() after hased value is used
	}

	function clean() {
		scoreboard players reset $integerToHash __variable__;
		scoreboard players reset $hashInteger  __variable__;
	}

	function test() {
		test_hashInteger(1748586758492046);
	}
}