gistfile1.coffee

_ = require 'underscore'

r = Math.random

rr = (x) -> ~~(r() * x)

#How wide is the main hall?
hallwidth = (rr(3) * 2) + 4
#How tall can a room be?
#TODO make variable
depth = 12

#start with flatback

#Generate gaussian centered on 3, goes to six
cols = ~~(rr(2) + rr(2) + rr(2)) * 2

stack = (d,w) ->
	rooms = ~~(_.foldr( (r() for xx in [0..w-1]), ((x,y) -> x+y), 0))
	shares = (~~((r() + r() + r()) + 1) for ro in [0..rooms])
	total =  _.foldl(shares, ((x,y) -> x+y) , 0)
	rsizes = ( ~~(rs * d / total) for rs in shares)
	ntotal =  _.foldl(rsizes, ((x,y) -> x+y) , 0)
	#make up for rounding errors
	rsizes[rsizes.length - 1] += d - ntotal if ntotal < d
	rsizes


sideways = stack(20,6)

house =  (([s,p] for p in stack(12,4)) for s in sideways)

printroom = (i) -> ('.' for [0..(i[1]-2)]).join('') + '|'
prr = (row) -> (printroom(ro) for ro in row).join('')
prw = (rw) -> (prr(rw) for x in [0..rw[0][0]]).join('\n') + '\n' + ('-' for x in [0..(_.foldl(rw,((x,y) -> x + y[1]), -1))]).join('') 
console.log(house)
console.log((prw(x) for x in house).join('\n'))