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Add a script to fix .cob files after 4785bdc
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# This file is part of the Spring engine (GPL v2 or later), see LICENSE.html | ||
# written by ashdnazg to help convert unit scripts after 4785bdcc | ||
import sys | ||
import struct | ||
import glob | ||
import os.path | ||
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COB_HEADER_FORMAT = "<13L" | ||
COB_HEADER_FIELDS = ( | ||
"VersionSignature", | ||
"NumberOfScripts", | ||
"NumberOfPieces", | ||
"TotalScriptLen", | ||
"NumberOfStaticVars", | ||
"Unknown_2", | ||
"OffsetToScriptCodeIndexArray", | ||
"OffsetToScriptNameOffsetArray", | ||
"OffsetToPieceNameOffsetArray", | ||
"OffsetToScriptCode", | ||
"Unknown_3", | ||
"OffsetToSoundNameArray", | ||
"NumberOfSounds" | ||
) | ||
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OLD_RETURN = struct.pack("<3L", 0x10021001, 0, 0x10065000) | ||
NEW_RETURN = struct.pack("<3L", 0x10021002, 1, 0x10065000) | ||
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def unpack(bytes, offset, format): | ||
return struct.unpack(format, bytes[offset:offset+struct.calcsize(format)]) | ||
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def unpack_string(bytes, offset): | ||
b = bytes[offset:] | ||
return b[:b.index('\0')] | ||
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def process_cob(path): | ||
print "processing %s" % (path,) | ||
content = open(path, "rb").read() | ||
header_values = unpack(content, 0, COB_HEADER_FORMAT) | ||
header = dict(zip(COB_HEADER_FIELDS, header_values)) | ||
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name_offset_array = header["OffsetToScriptNameOffsetArray"] | ||
code_offset_array = header["OffsetToScriptCodeIndexArray"] | ||
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script_names = [] | ||
script_code_offsets = [] | ||
for i in range(header["NumberOfScripts"]): | ||
(script_name_offset,) = unpack(content, name_offset_array + i * 4, "<L") | ||
(script_code_offset,) = unpack(content, code_offset_array + i * 4, "<L") | ||
script_names.append(unpack_string(content, script_name_offset)) | ||
script_code_offsets.append(script_code_offset) | ||
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script_code_offsets.append(header["TotalScriptLen"]) | ||
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if "Killed" not in script_names: | ||
return | ||
killed_index = script_names.index("Killed") | ||
killed_offset = script_code_offsets[killed_index] * 4 | ||
killed_len = script_code_offsets[killed_index + 1] * 4 - killed_offset | ||
base_offset = header["OffsetToScriptCode"] | ||
killed_content = content[base_offset + killed_offset:base_offset + killed_offset + killed_len] | ||
killed_content = killed_content.replace(OLD_RETURN, NEW_RETURN) | ||
new_content = content[:base_offset + killed_offset] + killed_content + content[base_offset + killed_offset + killed_len:] | ||
open(path, "wb").write(new_content) | ||
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def main(root_folder): | ||
cob_paths = glob.glob(os.path.join(root_folder, "*.[Cc][Oo][Bb]")) | ||
for cob_path in cob_paths: | ||
process_cob(cob_path) | ||
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if __name__ == '__main__': | ||
if len(sys.argv) < 2: | ||
print "Usage: %s <cob root folder>" % (sys.argv[0],) | ||
exit(1) | ||
main(sys.argv[1]) |
48bbcd7
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I'm new to python, but I installed python 3.5 and ran the script from my scripts folder. I get this error:
After some detective work: is the print syntax different in python 3 and 2? Should I install python 2 instead then?
48bbcd7
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yes, the syntax is different, use python 2.7.*