Initial commit: RE tooling and docs for The I of the Dragon localization/HD

tools/decode_dat.py

@@ -0,0 +1,23 @@
+import os
+base = r"F:\steam\steamapps\common\The I of the Dragon\Data\Misc"
+out  = r"C:\Users\29452\AppData\Local\Temp\opencode\decoded"
+os.makedirs(out, exist_ok=True)
+key = b"GBDFYTNE"
+for f in ["Fonts.dat", "UnitDescription.dat", "AIDescription.dat"]:
+    d = open(os.path.join(base, f), "rb").read()
+    assert d[:2] == b"==", d[:2]
+    body = d[2:]
+    dec = bytes(body[i] ^ key[i % len(key)] for i in range(len(body)))
+    fp = os.path.join(out, f + ".txt")
+    open(fp, "wb").write(dec)
+    print(f, "->", fp, len(dec), "bytes")
+
+# also prove re-encode round trips
+def enc(text_bytes):
+    return b"==" + bytes(text_bytes[i] ^ key[i % len(key)] for i in range(len(text_bytes)))
+for f in ["Fonts.dat", "UnitDescription.dat", "AIDescription.dat"]:
+    d = open(os.path.join(base, f), "rb").read()
+    body = d[2:]
+    dec = bytes(body[i] ^ key[i % len(key)] for i in range(len(body)))
+    assert enc(dec) == d, f
+print("round-trip OK")