mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-18 07:15:07 -05:00
133 lines
2.8 KiB
Python
Executable File
133 lines
2.8 KiB
Python
Executable File
#!/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:])
|
|
elif len(dirname) == 7:
|
|
# New layout
|
|
x = parseSigned12bit(dirname[:3])
|
|
z = parseSigned12bit(dirname[4:])
|
|
else:
|
|
print('Terrible sector at ' + dirname)
|
|
return
|
|
|
|
return x, z
|
|
|
|
# Convert block file to integer position
|
|
def getBlockPos(sectordir, blockfile):
|
|
p2d = getSectorPos(sectordir)
|
|
|
|
if not p2d:
|
|
return
|
|
|
|
if len(blockfile) != 4:
|
|
print("Invalid block filename: " + blockfile)
|
|
|
|
y = parseSigned16bit(blockfile)
|
|
|
|
return p2d[0], y, p2d[1]
|
|
|
|
# Convert location to integer
|
|
def getBlockAsInteger(p):
|
|
return int64(p[2]*16777216 + p[1]*4096 + p[0])
|
|
|
|
# Init
|
|
|
|
create = False
|
|
if not os.path.isfile(path + 'map.sqlite'):
|
|
create = True
|
|
|
|
conn = sqlite3.connect(path + 'map.sqlite')
|
|
|
|
if not conn:
|
|
exit('Could not open database.')
|
|
|
|
cur = conn.cursor()
|
|
|
|
if create:
|
|
cur.execute("CREATE TABLE IF NOT EXISTS `blocks` (`pos` INT NOT NULL PRIMARY KEY, `data` BLOB);")
|
|
conn.commit()
|
|
print('Created database at ' + path + 'map.sqlite')
|
|
|
|
# Crawl the folders
|
|
|
|
count = 0
|
|
t = time.time()
|
|
for base in paths:
|
|
v = 0
|
|
if base == 'sectors':
|
|
v = 1
|
|
elif base == 'sectors2':
|
|
v= 2
|
|
else:
|
|
print('Ignoring base ' + base)
|
|
continue
|
|
|
|
for root, dirs, files in os.walk(path + base):
|
|
if files:
|
|
for block in files:
|
|
pos = getBlockAsInteger(getBlockPos(root[(-8 if v == 1 else -7 if v == 2 else 0):], block))
|
|
|
|
if pos is None:
|
|
print('Ignoring broken path ' + root + '/' + block)
|
|
continue
|
|
|
|
f = open(root+'/'+block, 'rb')
|
|
blob = f.read()
|
|
f.close()
|
|
if sys.version_info.major == 2:
|
|
blob = buffer(blob)
|
|
else:
|
|
blob = memoryview(blob)
|
|
cur.execute('INSERT OR IGNORE INTO `blocks` VALUES(?, ?)', (pos, blob))
|
|
count += 1
|
|
|
|
if(time.time() - t > 3):
|
|
t = time.time()
|
|
print(str(count)+' blocks processed...')
|
|
|
|
conn.commit()
|
|
|
|
print('Finished. (' + str(count) + ' blocks)')
|