package ObjectIdGenerator
import NoWurst
import ErrorHandling
public constant UNIT_ID_GEN = new IdGenerator('s000')
public constant HERO_ID_GEN = new IdGenerator('K000')
public constant ABIL_ID_GEN = new IdGenerator('Ax00')
public constant BUFF_ID_GEN = new IdGenerator('F000')
public constant ITEM_ID_GEN = new IdGenerator('O000')

public class IdGenerator
	private int i1
	private int i2
	private int i3
	private int i4

	construct(int start)
		i1 = start mod 256
		i2 = (start mod 65536) div 256
		i3 = (start mod 16777216) div 65536
		i4 = start div 16777216

	function next() returns int
		if i1 < '~'
			i1++
			if(i1 == '_')
				i1++
		else if i2 < '~'
			i1 = '!'
			i2++
			if(i2 == '_')
				i2++
		else if i3 < '~'
			i1 = '!'
			i2 = '!'
			i3++
			if(i3 == '_')
				i3++
		else if i4 < '~'
			i1 = '!'
			i2 = '!'
			i3 = '!'
			i4++
			if(i4 == '_')
				i4++
		else
			error("No vaild id left")
			return 0
		return i1 + (i2 * 256) + (i3 * 65536) + (i4 * 16777216)