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import os
import zlib
import json
import constants
def save_world(path, chunks):
checksums = {}
region_list = []
if not os.path.exists(path):
os.mkdir(path)
else:
loaded = load_world(path)
if 'regions' in loaded:
region_list = loaded['regions']
if 'checksums' in loaded:
checksums = loaded['checksums']
if not os.path.exists(path + "/region"):
os.mkdir(path + "/region")
if not os.path.exists(path + "/playerdata"):
os.mkdir(path + "/playerdata")
for x in range(len(chunks)):
for y in range(len(chunks[x])):
if y is None:
continue
print(str(x) + "," + str(y) + ".bcr")
with open(path + "/region/" + str(x) + "," + str(y) + ".bcr", "wb") as f:
checksums[str(x) + "," + str(y) + ".bcr"] = hex(zlib.crc32(str.encode(json.dumps(chunks[x][y]))))
chunk_exists = False
for region in region_list:
if region["file"] == str(x) + "," + str(y) + ".bcr":
chunk_exists = True
if not chunk_exists:
region_list.append({
"file": str(x) + "," + str(y) + ".bcr",
"range": (16 * x, 16 * y, 15 + 16 * x, 15 + 16 * y)
})
f.write(zlib.compress(str.encode(json.dumps(chunks[x][y]))))
with open(path + "/level.dat", "wb") as f:
f.write(zlib.compress(str.encode(json.dumps({
"version": constants.VERSION,
"checksums": checksums,
"regions": region_list
}))))
def load_world(path):
with open(path + "/level.dat", "rb") as f:
data = json.loads(zlib.decompress(f.read()))
print(data)
regions = data['regions']
return {
"version": data['version'],
"regions": regions
}
def get_chunk(path, coords):
if os.path.exists(path + "/region/" + str(coords[0]) + "," + str(coords[1]) + ".bcr"):
with open(path + "/region/" + str(coords[0]) + "," + str(coords[1]) + ".bcr", "rb") as f:
data = json.loads(zlib.decompress(f.read()))
if data is None:
return [[["bedrock" for _ in range(16)] for _ in range(16)], [["grass_block" for _ in range(16)] for _ in range(16)]]
else:
return data
else:
return [[["bedrock" for _ in range(16)] for _ in range(16)], [["grass_block" for _ in range(16)] for _ in range(16)]]
def save_chunk(path, file, data):
checksums = {}
region_list = []
if not os.path.exists(path):
os.mkdir(path)
else:
loaded = load_world(path)
if 'regions' in loaded:
region_list = loaded['regions']
if 'checksums' in loaded:
checksums = loaded['checksums']
if not os.path.exists(path + "/region"):
os.mkdir(path + "/region")
if not os.path.exists(path + "/playerdata"):
os.mkdir(path + "/playerdata")
with open(path + "/region/" + file, "wb") as f:
checksums[file] = hex(zlib.crc32(str.encode(json.dumps(data))))
chunk_exists = False
for region in region_list:
if region["file"] == file:
chunk_exists = True
if not chunk_exists:
region_list.append({
"file": file,
"range": (16 * int(file.split(",")[0]), 16 * int(file.split(",")[1].split(".")[0]), 15 + 16 * int(file.split(",")[0]), 15 + 16 * int(file.split(",")[1].split(".")[0]))
})
f.write(zlib.compress(str.encode(json.dumps(data))))
with open(path + "/level.dat", "wb") as f:
f.write(zlib.compress(str.encode(json.dumps({
"version": constants.VERSION,
"checksums": checksums,
"regions": region_list
}))))
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