def createLevelIter(self, level, box, simulate=False, **kw):
if isinstance(level, basestring):
filename = level
level = infiniteworld.MCInfdevOldLevel(filename, create=True, **kw)
assert isinstance(level, infiniteworld.MCInfdevOldLevel)
minRadius = self.minRadius
genPositions = list(
itertools.product(xrange(box.mincx, box.maxcx, minRadius * 2),
xrange(box.mincz, box.maxcz, minRadius * 2)))
for i, (cx, cz) in enumerate(genPositions):
log.info("Generating at %s" % ((cx, cz), ))
parentDir = dirname(os.path.abspath(level.worldFolder.filename))
propsFile = join(parentDir, "server.properties")
props = readProperties(
join(dirname(self.serverJarFile), "server.properties"))
props["level-name"] = basename(level.worldFolder.filename)
props["server-port"] = int(32767 + random.random() * 32700)
saveProperties(propsFile, props)
for p in self.generateAtPositionIter(level, parentDir, cx, cz,
simulate):
yield i, len(genPositions), p
level.close()
def generateAtPositionIter(self,
tempWorld,
tempDir,
cx,
cz,
simulate=False):
tempWorldRW = infiniteworld.MCInfdevOldLevel(tempWorld.filename)
tempWorldRW.setPlayerSpawnPosition((cx * 16, 64, cz * 16))
tempWorldRW.saveInPlace()
tempWorldRW.close()
del tempWorldRW
tempWorld.unload()
self.addEULA(tempDir)
startTime = time.time()
proc = self.runServer(tempDir)
while proc.poll() is None:
line = proc.stdout.readline().strip()
log.info(line)
yield line
# Forge and FML change stderr output, causing MCServerChunkGenerator to wait endlessly.
#
# Vanilla:
# 2012-11-13 11:29:19 [INFO] Done (9.962s)!
#
# Forge/FML:
# 2012-11-13 11:47:13 [INFO] [Minecraft] Done (8.020s)!
if "INFO" in line and "Done" in line:
if simulate:
duration = time.time() - startTime
simSeconds = max(8, int(duration) + 1)
for i in range(simSeconds):
# process tile ticks
yield "%2d/%2d: Simulating the world for a little bit..." % (
i, simSeconds)
time.sleep(1)
proc.stdin.write("stop\n")
proc.wait()
break
if "FAILED TO BIND" in line:
proc.kill()
proc.wait()
raise RuntimeError("Server failed to bind to port!")
stdout, _ = proc.communicate()
if "Could not reserve enough space" in stdout and not MCServerChunkGenerator.lowMemory:
MCServerChunkGenerator.lowMemory = True
for i in self.generateAtPositionIter(tempWorld, tempDir, cx, cz):
yield i
(tempWorld.parentWorld
or tempWorld).loadLevelDat() # reload version number
def tempWorldForLevel(self, level):
# tempDir = tempfile.mkdtemp("mclevel_servergen")
tempDir = os.path.join(
self.worldCacheDir,
self.jarStorage.checksumForVersion(self.serverVersion),
str(level.RandomSeed))
propsFile = os.path.join(tempDir, "server.properties")
properties = readProperties(propsFile)
tempWorld = self.tempWorldCache.get(
(self.serverVersion, level.RandomSeed))
if tempWorld is None:
if not os.path.exists(tempDir):
os.makedirs(tempDir)
self.createReadme()
worldName = "world"
worldName = properties.setdefault("level-name", worldName)
tempWorldDir = os.path.join(tempDir, worldName)
tempWorld = infiniteworld.MCInfdevOldLevel(
tempWorldDir, create=True, random_seed=level.RandomSeed)
tempWorld.close()
tempWorldRO = infiniteworld.MCInfdevOldLevel(tempWorldDir,
readonly=True)
self.tempWorldCache[self.serverVersion,
level.RandomSeed] = tempWorldRO
if level.dimNo == 0:
properties["allow-nether"] = "false"
else:
tempWorld = tempWorld.getDimension(level.dimNo)
properties["allow-nether"] = "true"
properties["server-port"] = int(32767 + random.random() * 32700)
saveProperties(propsFile, properties)
return tempWorld, tempDir
