sm64/tools/demo_data_converter.py

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2.3 KiB
Python
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#!/usr/bin/env python3
import sys
import re
import json
def main():
need_help = False
defines = []
skip_next = 0
prog_args = []
for i, a in enumerate(sys.argv[1:], 1):
if skip_next > 0:
skip_next -= 1
continue
if a == "--help" or a == "-h":
need_help = True
if a == "-D":
defines.append(sys.argv[i + 1])
skip_next = 1
elif a.startswith("-D"):
defines.append(a[2:])
else:
prog_args.append(a)
defines = [d.split("=")[0] for d in defines]
if len(prog_args) < 1 or need_help:
print("Usage: {} <demo_data.json> [-D <symbol>] > <demo_data.c>".format(sys.argv[0]))
sys.exit(0 if need_help else 1)
with open(prog_args[0], "r") as file:
descr = json.loads(re.sub(r"/\*[\w\W]*?\*/", "", file.read()))
table = []
for item in descr["table"]:
if not "ifdef" in item or any(d in defines for d in item["ifdef"]):
table.append(item)
demofiles = []
for item in descr["demofiles"]:
if not "ifdef" in item or any(d in defines for d in item["ifdef"]):
demofiles.append(item)
structdef = ["u32 numEntries;",
"const void *addrPlaceholder;",
"struct OffsetSizePair entries[" + str(len(table)) + "];"]
structobj = [str(len(table)) + ",",
"NULL,"]
structobj.append("{")
for item in table:
offset_to_data = "offsetof(struct DemoInputsObj, " + item["demofile"] + ")"
size = "sizeof(gDemoInputs." + item["demofile"] + ")"
if "extraSize" in item:
size += " + " + str(item["extraSize"])
structobj.append("{" + offset_to_data + ", " + size + "},")
structobj.append("},")
for item in demofiles:
with open("assets/demos/" + item["name"] + ".bin", "rb") as file:
demobytes = file.read()
structdef.append("u8 " + item["name"] + "[" + str(len(demobytes)) + "];")
structobj.append("{" + ",".join(hex(x) for x in demobytes) + "},")
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print("#include \"game/memory.h\"")
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print("#include <stddef.h>")
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print("")
print("struct DemoInputsObj {")
for s in structdef:
print(s)
print("} gDemoInputs = {")
for s in structobj:
print(s)
print("};")
if __name__ == "__main__":
main()