70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
#!/usr/bin/python
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'''
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Generate a region list to rerender certain chunks
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This is used to force the regeneration of any chunks that contain a certain
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blockID. The output is a chunklist file that is suitable to use with the
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--chunklist option to overviewer.py.
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Example:
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python contrib/rerenderBlocks.py --ids=46,79,91 --world=world/> regionlist.txt
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python overviewer.py --regionlist=regionlist.txt world/ output_dir/
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This will rerender any chunks that contain either TNT (46), Ice (79), or
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a Jack-O-Lantern (91)
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'''
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from optparse import OptionParser
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import sys,os
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import re
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# incantation to be able to import overviewer_core
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if not hasattr(sys, "frozen"):
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sys.path.insert(0, os.path.abspath(os.path.join(os.path.split(__file__)[0], '..')))
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from overviewer_core import nbt
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from overviewer_core import world
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from overviewer_core.chunk import get_blockarray
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parser = OptionParser()
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parser.add_option("--ids", dest="ids", type="string")
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parser.add_option("--world", dest="world", type="string")
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options, args = parser.parse_args()
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if not options.world or not options.ids:
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parser.print_help()
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sys.exit(1)
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if not os.path.exists(options.world):
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raise Exception("%s does not exist" % options.world)
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ids = map(lambda x: int(x),options.ids.split(","))
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sys.stderr.write("Searching for these blocks: %r...\n" % ids)
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matcher = re.compile(r"^r\..*\.mcr$")
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for dirpath, dirnames, filenames in os.walk(options.world):
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for f in filenames:
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if matcher.match(f):
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full = os.path.join(dirpath, f)
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r = nbt.load_region(full, 'lower-left')
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chunks = r.get_chunks()
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found = False
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for x,y in chunks:
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chunk = r.load_chunk(x,y).read_all()
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blocks = get_blockarray(chunk[1]['Level'])
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for i in ids:
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if chr(i) in blocks:
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print full
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found = True
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break
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if found:
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break
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