From f3482fbf08e682ea305a5780b5d88d0da3264298 Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Thu, 4 Apr 2024 04:01:04 +0000
Subject: [PATCH] oh no i wanted music

---
 scripts/extract_ktsl2stbin.py | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 scripts/extract_ktsl2stbin.py

diff --git a/scripts/extract_ktsl2stbin.py b/scripts/extract_ktsl2stbin.py
new file mode 100755
index 0000000..26a8b1f
--- /dev/null
+++ b/scripts/extract_ktsl2stbin.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i python3 -p python3
+import struct
+import sys
+import pathlib
+
+# i don't care about efficiency
+data = open(sys.argv[1], "rb").read()
+outdir = pathlib.Path(sys.argv[2])
+
+if data[:4] != b"KTSR":
+    raise Exception("what are you doing")
+
+# there's some more stuff but i don't care, go straight to the entry
+off = 0x40
+idx = 0
+while off < len(data):
+
+    if data[off + 0x40 : off + 0x44] != b"KTSS":
+        raise Exception("oh no offset broken")
+
+    (entry_size,) = struct.unpack("<I", data[off + 4 : off + 8])
+
+    (size,) = struct.unpack("<I", data[off + 0x44 : off + 0x48])
+    outfile = (outdir / f"{idx}.ktss").open("wb")
+    outfile.write(data[off + 0x40 : off + 0x40 + size])
+
+    off += entry_size
+    idx += 1
+    print(idx, hex(off))