# Bruce Maxwell
# January 2012
# Program that generates note entries for the granular Csound synthesis
# These are randomly selected samples played and uniformly random times

import sys
import random


# Generates N granules, all the same length, at uniformly random times
# Each granule is a random sample from the source table
# The length of each granule is a given
# The total number of granules is a given
# The playback ratio is a given
# The overall amplitude is a given

def main(argv):
	
    if len(argv) < 9:
        print 'Usage: python %s <instr> <# granules> <time (s)> <max> <length> <playback ratio> <amplitude> <table>' % (argv[0])
        exit()

    instr = int(argv[1]) # instrument

    N = int(argv[2])
    
    time = float(argv[3]) # total time
    
    samplemax = int(argv[4])
    
    duration = float(argv[5])
                     
    ibase = float(argv[6])

    iamp = float(argv[7])

    itbl = int(argv[8])

    iamp = iamp / ( duration * N / time )


    for i in range(N):
        cps = random.randint(0, samplemax)
        t = random.random()*(time - duration) # uniformly pick start time
        s = 'i  %6d %6.2f %6.2f %10.2f %6.2f %8d %8d' % (instr, t, duration, iamp, ibase, cps, itbl)
        print s


if __name__ == "__main__":
	main(sys.argv)