papermario/tools/disasm_animation.py

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Python
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#!/usr/bin/env python3
import struct
def read(f):
return struct.unpack(">h", f.read(2))[0]
def i2f(x):
return round(x * 180 / 32767 * 200) / 200
def parse(f):
print("AnimScript script = {")
indent = " "
while True:
op = read(f)
if op == 0:
print(f"{indent}AS_END,")
break
if op == 1:
print(f"{indent}AS_WAIT, {read(f)},")
elif op == 3:
indent = indent[:-4]
print(f"{indent}AS_END_LOOP,")
elif op == 5:
print(
f"{indent}AS_SET_ROTATION, {read(f)}, AS_F({i2f(read(f))}), AS_F({i2f(read(f))}), AS_F({i2f(read(f))}),"
)
elif op == 6:
print(
f"{indent}AS_ADD_ROTATION, {read(f)}, AS_F({i2f(read(f))}), AS_F({i2f(read(f))}), AS_F({i2f(read(f))}),"
)
elif op == 8:
print(f"{indent}AS_SET_POS, {read(f)}, {read(f)}, {read(f)}, {read(f)},")
elif op == 10:
print(f"{indent}AS_LOOP,")
indent += " "
elif op == 14:
print(f"{indent}AS_SET_FLAGS, {read(f)},")
elif op == 15:
print(f"{indent}AS_SET_NODE_FLAGS, {read(f)}, {read(f)},")
elif op == 16:
print(f"{indent}AS_CLEAR_NODE_FLAGS, {read(f)}, {read(f)},")
elif op == 17:
print(f"{indent}AS_SET_SCALE, {read(f)}, AS_F({i2f(read(f))}), AS_F({i2f(read(f))}), AS_F({i2f(read(f))}),")
elif op == 18:
print(f"{indent}AS_SET_RENDER_MODE, {read(f)},")
elif op == 19:
print(f"{indent}AS_OP_19,")
else:
raise Exception(str(f"Unknown opcode {op}"))
print("};")
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("file", type=str, help="File to dissassemble from")
parser.add_argument("offset", help="Offset to start dissassembling from")
args = parser.parse_args()
offset = int(args.offset, 16)
with open(args.file, "rb") as f:
f.seek(offset)
parse(f)