mirror of
https://github.com/isledecomp/isle.git
synced 2026-01-20 23:01:16 +00:00
95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
#! /usr/bin/env python3
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import pathlib
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import subprocess
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import argparse
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import re
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import requests
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parser = argparse.ArgumentParser()
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parser.add_argument("-i", "--inspect", metavar='<offset>',
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help="Get an assembly diff for the function at a given offset after building. "
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"When decomping you will typically run this command over and over again as "
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"you refine your code towards a 100% match.")
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parser.add_argument("-s", "--status", action="store_true",
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help="Get a general status report on the progress decompiling all functions.")
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parser.add_argument("--inspect-shim", nargs=2, metavar=('<file>', '<line>'),
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help="Inspect the assembly diff of the function spanning <line> in <file>. "
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"Intended to be invoked by IDE commands.")
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args = parser.parse_args()
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# Figure out what offset to pass to the reccmp tool if any
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def get_inspect_offset():
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if inspect_offset := args.inspect:
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if inspect_offset.startswith("0x"):
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return inspect_offset
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else:
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return "0x" + inspect_offset
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elif args.inspect_shim:
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print("Inspect: ", args.inspect_shim[0], ":", args.inspect_shim[1])
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with open(args.inspect_shim[0], 'r') as f:
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# get the lines in an array
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lines = f.readlines()
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OFFSET_PATTERN = re.compile(r'OFFSET:\s*LEGO1\s*(0x[0-9a-f]+)')
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for i in range(int(args.inspect_shim[1]), 0, -1):
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if i > 0 and i < len(lines):
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if match := OFFSET_PATTERN.search(lines[i]):
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inspect_offset = match.group(1)
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break
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if inspect_offset:
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return inspect_offset
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else:
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print("Could not find any function to inspect near cursor.")
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exit(1)
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return None
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# If the build directory doesn't exist yet, run configure.py
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if not pathlib.Path("build").exists():
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print("Not configured yet, please run configure.py first.")
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exit(1)
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# Run cmake, with no parallel build because that does not play nice the
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# MSVC420 compiler the original game was built with thanks to the different
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# threads contending over the pdb file.
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result = subprocess.run(["cmake", "--build", ".", "-j", "1"], cwd="build")
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def require_original():
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if not pathlib.Path("original/LEGO1.DLL").exists():
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print("Couldn't find original/LEGO1.DLL. Downloading a copy...")
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url1 = "https://legoisland.org/download/ISLE.EXE"
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r1 = requests.get(url1, stream=True)
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if r1.status_code == 200:
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with open("original/ISLE.EXE", 'wb') as f:
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for chunk in r1.iter_content(chunk_size=8192):
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f.write(chunk)
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url2 = "https://legoisland.org/download/LEGO1.DLL"
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r2 = requests.get(url2, stream=True)
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if r2.status_code == 200:
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with open("original/LEGO1.DLL", 'wb') as f:
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for chunk in r2.iter_content(chunk_size=8192):
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f.write(chunk)
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else:
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print("Failed to find or download LEGO1.DLL.")
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print("Please obtain a copy from the original game and place it in `original/`")
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exit(1)
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print("Downloaded LEGO1.DLL to `original/`.")
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# If the build succeeded, run the decompiler
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if result.returncode == 0:
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if inspect_offset := get_inspect_offset():
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require_original()
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subprocess.run(["python", "tools/reccmp/reccmp.py",
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"original/LEGO1.DLL", "build/LEGO1.DLL",
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"build/LEGO1.PDB", ".",
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"-v", inspect_offset])
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elif args.status:
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require_original()
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subprocess.run(["python", "tools/reccmp/reccmp.py",
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"original/LEGO1.DLL", "build/LEGO1.DLL",
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"build/LEGO1.PDB", "."])
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else:
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print("Build failed.")
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exit(1)
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