def process_region_file(filename, start, stop):
"""Given a region filename, return the number of blocks of each ID in that file"""
pieces = filename.split('.')
rx = int(pieces[1])
rz = int(pieces[2])
block_data_totals = [[0] * 16 for i in range(256)
] # up to 16 data numbers in 256 block IDs
# Does the region overlap the bounding box at all?
if (start != None):
if ((rx + 1) * 512 - 1 < int(start[0])
or (rz + 1) * 512 - 1 < int(start[2])):
return block_data_totals
elif (stop != None):
if (rx * 512 - 1 > int(stop[0]) or rz * 512 - 1 > int(stop[2])):
return block_data_totals
file = RegionFile(filename)
# Get all chunks
chunks = file.get_chunks()
print("Parsing %s... %d chunks" %
(os.path.basename(filename), len(chunks)))
for c in chunks:
# Does the chunk overlap the bounding box at all?
if (start != None):
if ((c['x'] + 1) * 16 + rx * 512 - 1 < int(start[0])
or (c['z'] + 1) * 16 + rz * 512 - 1 < int(start[2])):
continue
elif (stop != None):
if (c['x'] * 16 + rx * 512 - 1 > int(stop[0])
or c['z'] * 16 + rz * 512 - 1 > int(stop[2])):
continue
chunk = Chunk(file.get_chunk(c['x'], c['z']))
assert chunk.get_coords() == (c['x'] + rx * 32, c['z'] + rz * 32)
#print("Parsing chunk ("+str(c['x'])+", "+str(c['z'])+")")
# Parse the blocks
# Fast code if no start or stop coordinates are specified
# TODO: also use this code if start/stop is specified, but the complete chunk is included
if (start == None and stop == None):
stats_per_chunk(chunk, block_data_totals)
else:
# Slow code that iterates through each coordinate
bounded_stats_per_chunk(chunk, block_data_totals, start, stop)
return block_data_totals
def countBlocks(worldFolder, id):
count = 0
for region in worldFolder.iter_regions():
print("Searching through {}".format(region.filename))
for chunk in region.get_metadata():
#print("Searching through {},{}".format(chunk.x, chunk.z))
x = Chunk(region.get_chunk(chunk.x, chunk.z))
for i, section in zip(range(16), x.sections):
if not section:
continue
for yzx, (block, add, data) in zip(range(16 * 16 * 16),
section.get_all()):
if (add << 8 | block) == id:
count += 1
print(count, i * 16 + yzx // 256)
return count
