import nbtlib as n
import subprocess as s
import sys

x1 = int(int(sys.argv[1]) / 16)
y1 = int(int(sys.argv[2]) / 16)
x2 = int(int(sys.argv[3]) / 16)
y2 = int(int(sys.argv[4]) / 16)
tx = ty = t1 = t2 = 0

for x in range(x1 + 11, x2 + 11, 22):
    for y in range(y1 + 11, y2 + 11, 22):
        tx = abs(x1 - x)
        ty = abs(y1 - y)

        t1 = x1 + tx
        if (t1 + 11 >= x2):
            t1 = x2 - 12
        t1 = t1 * 16

        t2 = y1 + ty
        if (t2 + 11 >= y2):
            t2 = y2 - 12
        t2 = t2 * 16

        file = n.load("world/level.dat")
        file.root["Data"]["SpawnX"] = n.Int(t1)
        file.root["Data"]["SpawnZ"] = n.Int(t2)
        file.save()

        print(t1, "\t", t2)
        proc = s.Popen(['java', '-jar', 'server.jar', 'nogui'], stdout=s.PIPE, stdin=s.PIPE)
        while True:
            a = proc.stdout.readline()
            print(a)
            if a.count(b'For help, type "help"') == 1:
                proc.communicate(b'stop\n')
                break
        proc.wait()
          
print("Done")