ssc/stdlib/random.sun

/* ================================================= *\
 * random.sun
 *
 * ssc standard include utility
 * 2016 arookas
\* ================================================= */

var local next;

function srand(seed) {
	next = seed;
}

function rand() {
	// this is exactly the formula used in MSL (and, thus, SMS itself)
	next = (next * 1103515245) + 12345;
	return (next >> 16) & 0x7FFF;
}