util/sectors2sqlite.py


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#!/usr/bin/python3

# Loads block files from sectors folders into map.sqlite database.
# The sectors folder should be safe to remove after this prints "Finished."

import time, os, sys

try:
	import sqlite3
except:
	exit('You need to have the Python sqlite3 module.')

path = "../world/"

paths = []

# sectors2 gets to try first
if os.path.isdir(path + 'sectors2/'):
	paths.append('sectors2')
if os.path.isdir(path + 'sectors/'):
	paths.append('sectors')

if not paths:
	exit('Could not find sectors folder at ' + path + 'sectors2/ or ' + path + 'sectors/')

def parseSigned12bit(u):
	u = int('0x'+u, 16)
	return (u if u < 2**11 else u - 2**12)

def parseSigned16bit(u):
	u = int('0x'+u, 16)
	return (u if u < 2**15 else u - 2**16)

def int64(u):
	while u >= 2**63:
		u -= 2**64
	while u <= -2**63:
		u += 2**64
	return u

# Convert sector folder(s) to integer
def getSectorPos(dirname):
	if len(dirname) == 8:
		# Old layout
		x = parseSigned16bit(dirname[:4])
		z = parseSigned16bit(dirname[4:])