package ObjectIdGenerator

int array id
constant heroPrefix = 'W'
constant nonheroPrefix = '%'
boolean helperActivator = initHelper()

function initHelper() returns boolean
	for int i = 0 to 2
		id[i] = '0'
	return true
	
function nextValid(int c) returns int
	int r = c + 1

	if r == '_' or r == ','or r == '"'or r == '\' or r == '-'
		r++
		if r == '_' or r == ','or r == '"'or r == '\' or r == '-'
			r++
	return r  

function fourChar(int a, int b, int c, int d) returns int
	return (((((a*256) + b)*256)+c)*256)+d
	
function newId(int prefix) returns int
	if helperActivator
		for i = 0 to 2
			if id[i] < '~'
				id[i] = nextValid(id[i])
				for j = 0 to i-1
					id[j] = '!'
				return fourChar(prefix, id[2], id[1], id[0])
		error("No vaild id left")
	return 0
		
public function genId() returns int
	return newId(nonheroPrefix)


public function genHeroId() returns int
	return newId(heroPrefix)