mirror of
https://github.com/zeldaret/oot.git
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f9bdb1d58a
* Makefile machinery work
* Updating Jenkinsfile
* Initial setup for OSX repo support
* Adding ido7 to repo
* Makefile reversion
* Iniital Dockerfile
* Docker stuff
* fixbaserom cleanup
* Attempting to fix fixbaserom
* baserom_original -> input
* Revert "baserom_original -> input"
This reverts commit d9199462b6.
* Spiffing up readme for OSX
73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from os import path
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import sys
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import struct
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import hashlib
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def get_str_hash(byte_array):
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return str(hashlib.md5(byte_array).hexdigest())
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# If the baserom exists and is correct, we don't need to change anything
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if path.exists("baserom.z64"):
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with open("baserom.z64", mode="rb") as file:
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fileContent = bytearray(file.read())
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if get_str_hash(fileContent) == "f0b7f35375f9cc8ca1b2d59d78e35405":
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print("Found valid baserom - exiting early")
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sys.exit(0)
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# Determine if we have a ROM file
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romFileName = ""
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if path.exists("baserom_original.z64"):
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romFileName = "baserom_original.z64"
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elif path.exists("baserom_original.n64"):
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romFileName = "baserom_original.n64"
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# Read in the original ROM
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if romFileName != "":
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print("File '" + romFileName + "' found.")
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with open(romFileName, mode="rb") as file:
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fileContent = bytearray(file.read())
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# Check if ROM needs to be byte swapped
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if fileContent[0] == 0x40:
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# Byte Swap ROM
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# TODO: This is pretty slow at the moment. Look into optimizing it later...
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print("ROM needs to be byte swapped...")
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i = 0
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while i < len(fileContent):
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tmp = struct.unpack_from("BBBB", fileContent, i)
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struct.pack_into("BBBB", fileContent, i + 0, tmp[3], tmp[2], tmp[1], tmp[0])
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i += 4
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perc = float(i) / float(len(fileContent))
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if i % (1024 * 1024 * 4) == 0:
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print(str(perc * 100) + "%")
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print("Byte swapping done.")
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else:
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print("Error: Could not find baserom_original.z64/baserom_original.n64.")
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sys.exit(1)
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# Strip the overdump
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print("Stripping overdump...")
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strippedContent = list(fileContent[0:0x3600000])
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# Patch the header
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print("Patching header...")
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strippedContent[0x3E] = 0x50
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# Check to see if the ROM is a "vanilla" Debug ROM
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str_hash = get_str_hash(bytearray(strippedContent))
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if str_hash != "f0b7f35375f9cc8ca1b2d59d78e35405":
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print("Error: Expected a hash of f0b7f35375f9cc8ca1b2d59d78e35405 but got " + str_hash + ". " +
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"The baserom has probably been tampered, find a new one")
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sys.exit(1)
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# Write out our new ROM
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print("Writing new ROM 'baserom.z64'.")
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with open("baserom.z64", mode="wb") as file:
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file.write(bytes(strippedContent))
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print("Done!")
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