Add simple script to edit item stat property values

contrib/createitem.py

@@ -0,0 +1,64 @@
+from bitarray import bitarray
+from bitarray.util import int2ba, hex2ba
+from textwrap import wrap
+from struct import pack
+import os
+import sys
+
+
+def make_stat(id, len, value):
+    id_bits = int2ba(id, length=9, endian="little")
+    value_bits = int2ba(value, length=len, endian="little")
+    return id_bits + value_bits
+
+
+def make_stash(item_list: list[bytes]) -> bytes:
+    count = len(item_list)
+    items = b"".join(item_list)
+    return (
+        bytes.fromhex("55aa55aa010000006300000000000000")
+        + pack("I", len(items) + 68)
+        + bytes.fromhex(
+            "0000000000000000000000000000000000000000000000"
+            "0000000000000000000000000000000000000000004a4d"
+        )
+        + pack("H", count)
+        + items
+        + bytes.fromhex(
+            "55aa55aa01000000630000000000000044000000000000"
+            "0000000000000000000000000000000000000000000000"
+            "0000000000000000000000000000000000004a4d000055"
+            "aa55aa0100000063000000000000004400000000000000"
+            "0000000000000000000000000000000000000000000000"
+            "00000000000000000000000000000000004a4d0000"
+        )
+    )
+
+
+def make_item() -> bytes:
+    bits = bitarray(endian="little")
+    bits.frombytes(
+        bytes.fromhex(
+            "10008000050014df170e5b7eca14c6ee66af344848981946c07101828715d15a3c1be3f90f"
+        )
+    )
+    # 9% cold ress
+    # stat = make_stat(43, 9, 200 + 9)
+    # print(stat)
+    # print(bits.find(stat))
+    bits[231 : 231 + 18] = (
+        make_stat(0, 8, 32 + 16) + make_stat(1, 7, 32 + 16) + make_stat(2, 7, 32 + 16)
+    )
+    return bits.tobytes()
+
+
+createpath = os.getenv("CREATEITEM_PATH")
+if not createpath:
+    print(
+        "set the environment variable CREATEITEM_PATH to the stash file you want to overwrite"
+    )
+    print("THIS WILL PERMANENTLY DESTROY ALL ITEMS IN THAT FILE")
+    sys.exit(1)
+
+with open(createpath, "wb") as f:
+    f.write(make_stash([make_item()]))