#!/usr/bin/env python
# encoding: utf-8
"""
Algoritmic rhythm machine...

"""
from pyo import *

# Set this constant to True to loop over preset bank
WITH_PRESET = False

snds3 = ['../snds/alum1.wav', '../snds/alum2.wav', 
        '../snds/alum3.wav', '../snds/alum4.wav']

presets = [[[16, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0], 
            [16, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0], 
            [16, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0]], 
           [[16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1], 
            [16, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0], 
            [16, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0]], 
           [[16, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1], 
            [16, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0], 
            [16, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0]], 
           [[16, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1], 
            [16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0], 
            [16, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1]]]

s = Server(sr=44100, nchnls=2, buffersize=512, duplex=0).boot()

tm = Xnoise(dist=9, freq=2.34, x1=.5, x2=3, mul=.0025, add=.12)
b = Beat(time=tm, w1=[90,30,30,20], w2=[30,90,50,40], w3=[0,30,30,40])
if WITH_PRESET:
    b.setPresets(presets)
    b.recall(0)
b.play()

tabs = SndTable(snds3)
out = TrigEnv(b, table=tabs, dur=b['dur']*2, interp=4, mul=b['amp']*0.5)
pan = SPan(out, pan=[.25, .4, .6, .75]).mix(2)
rev = WGVerb(pan, feedback=.65, cutoff=3500, bal=.2).out()

def change():
    b.fill()
    b.new()

def chAndCall(x):
    b.fill()
    b.recall(x)

x = 0
pre = 0
def ch():
    global x, pre
    x += 1
    if (x % 5) == 0:
        if WITH_PRESET:
            pre = (pre + 1) % 3
            chAndCall(pre)
        else:
            change()

tt = TrigFunc(b['end'][0], function=ch)

s.gui(locals())