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oot/tools/regconvert.py

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#!/usr/bin/env python3
import argparse
import re
GROUP_SIZE = 0x60
DATA_OFFSET = 0x14
REGISTER_NAMES = " SOPQMYDUIZCNKXcsiWAVHGmnBdkb"
def get_reg_macro(offset):
reg = (offset - DATA_OFFSET) // 2
group = reg // GROUP_SIZE
reg_in_group = reg % GROUP_SIZE
return "%cREG(%d)" % (REGISTER_NAMES[group], reg_in_group)
def parse_number(string, force_hex):
if string.lower().startswith("0x") or force_hex:
return int(string, 16)
return int(string, 0)
def index_to_offset(index):
return index * 2 + DATA_OFFSET
def read_file(filename):
parsed_contents = ""
src_file = open(filename)
file_contents = src_file.read()
src_file.close()
pattern = re.compile("gGameInfo->data\[((0[xX])?[0-9a-fA-F]+)\]")
match = pattern.search(file_contents)
while match:
index = parse_number(match.group(1), False)
offset = index_to_offset(index)
start, end = match.span()
parsed_contents += file_contents[:start]
parsed_contents += get_reg_macro(offset)
file_contents = file_contents[end:]
match = pattern.search(file_contents)
parsed_contents += file_contents
return parsed_contents
def write_file(filename, contents):
with open(filename, "w") as f:
f.write(contents)
def check_valid_index(index):
return 0x0 <= index <= 0xADF
def check_valid_offset(offset):
return 0x14 <= offset <= 0x15D2
def main():
parser = argparse.ArgumentParser(description="Converts a gGameInfo->data index to a REG macro.")
# TODO: Add a description and a better title
# index_group = parser.add_argument_group(title="index", description="")
index_group = parser.add_argument_group()
index_group.add_argument("index", help="index of gGameInfo->data in decimal (or hexadecimal if starts with 0x)")
index_group.add_argument("--offset", help="treat index argument as an offset to gGameInfo instead", action="store_true")
index_group.add_argument("--hex", help="treat index argument as hexadecimal, even without the 0x", action="store_true")
# TODO: Add a description and a better title
# file_group = parser.add_argument_group(title="file", description="")
file_group = parser.add_argument_group()
file_group.add_argument("--file", help="use the parameter as a filepath, then replace every occurrence of `gGameInfo->data[number]` in that file a REG macro", action="store_true")
file_group.add_argument("--stdout", help="print the processed file to stdout instead of overwriting the original", action="store_true")
args = parser.parse_args()
if args.file:
filename = args.index
contents = read_file(filename)
if args.stdout:
print(contents)
else:
write_file(filename, contents)
else:
index = parse_number(args.index, args.hex)
if args.offset:
offset = index
if not check_valid_offset(offset):
print("Invalid offset: " + args.index)
if args.hex:
print("Offset should be in the range from 0x14 to 0x15D2")
else:
print("Offset should be in the range from 20 to 5586")
exit(-1)
else:
if not check_valid_index(index):
print("Invalid index: " + args.index)
if args.hex:
print("Index should be in the range from 0x0 to 0xADF")
else:
print("Index should be in the range from 0 to 2783")
exit(-1)
offset = index_to_offset(index)
print(get_reg_macro(offset)+"\n")
if __name__ == "__main__":
main()