funman300
5bf2c7ddc1
The Frostbite .cas chunks holding APT ActionScript are greppable, so screens can
be identified and their whole symbol table recovered without driving the GUI.
Control: KitAssignmentPopup (a string from an already-exported BIG) hits 43 times
across the 52 cas files, so a miss would have been meaningful.
FUT_GET_MATCH_KITS_DP hits 10 times. The binding screen is
external.ion_fut.screens.futSelectTeam
(fifa_installpackage_01/cas_01.cas @ 0x3707ecd7), which no exported BIG contained
after 33 attempts at guessing names.
It binds FUT_GET_MATCH_KITS_DP, KitSelectDP and TeamSetupDP, and carries exactly
the vocabulary the native side implies:
panels/locks mcKitHome mcKitAway mcLockHome mcLockAway m_arrKitPanels
sides HOME_SIDE AWAY_SIDE NEUTRAL_SIDE SIDE_HOME SIDE_AWAY
DP fields KITS_AVAILABLE KIT_ HOME_KIT_ID AWAY_KIT_ID
flow InitializeKitConfig GetKitArrayForFUT InitializeKitsFromArray
EnterKitSelect IsKitSelectCreated ExitKitSelect SaveKitsForMatch
lock CheckIsKitLocked RemoveKitLocks SetKitReady SetKitUnReady
uniform SetUniform ION_Uniform GetNonConflictingUniformID
CheckIsKitLocked is the lock predicate the native side does not own — recall
sub_180033430 only ever writes LOCKED = 0, so the "kit is currently locked" dialog
is raised here.
Adds find_apt_in_cas.py (control-guarded) and the recovered 934-symbol table.
87 lines
2.5 KiB
Python
Executable File
87 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Find an APT/ActionScript symbol inside the FIFA 17 Frostbite .cas archives.
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Frosty is a GUI-only tool and its Legacy Explorer is the documented way to reach
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these assets, but the chunks holding APT ActionScript are stored plainly enough to
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grep — so a screen can be identified, and its whole symbol table recovered,
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without driving the GUI at all.
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ALWAYS passes a control first: `KitAssignmentPopup` is a string from an
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already-exported BIG, so if it misses, the archives are packed differently than
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assumed and no negative from this tool may be quoted.
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python3 find_apt_in_cas.py FUT_GET_MATCH_KITS_DP
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python3 find_apt_in_cas.py --dump 0x3707ecd7 fifa_installpackage_01/cas_01.cas
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"""
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import argparse
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import glob
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import os
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import re
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import sys
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ROOT = "/mnt/games/FIFA 17"
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CONTROL = b"KitAssignmentPopup"
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def cas_files():
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return sorted(glob.glob(os.path.join(ROOT, "**", "*.cas"), recursive=True))
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def find(needle: bytes):
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control_total = 0
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hits = []
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for p in cas_files():
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d = open(p, "rb").read()
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control_total += d.count(CONTROL)
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start = 0
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while True:
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i = d.find(needle, start)
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if i < 0:
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break
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hits.append((p, i))
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start = i + 1
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return control_total, hits
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def dump(path, off, span=90000):
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with open(path, "rb") as f:
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f.seek(max(0, off - span // 2))
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d = f.read(span)
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seen = []
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for m in re.finditer(rb"[ -~]{4,}", d):
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t = m.group().decode("latin1")
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if t not in seen:
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seen.append(t)
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return seen
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def main():
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ap = argparse.ArgumentParser()
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ap.add_argument("needle", nargs="?")
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ap.add_argument("--dump", metavar="OFFSET")
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ap.add_argument("--file")
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args = ap.parse_args()
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if args.dump:
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path = args.file if os.path.isabs(args.file or "") else os.path.join(
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ROOT, "Data/Win32/superbundlelayout", args.file or "")
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for s in dump(path, int(args.dump, 0)):
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print(s)
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return 0
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if not args.needle:
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ap.error("needle required")
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ctl, hits = find(args.needle.encode())
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print(f"control {CONTROL.decode()}: {ctl} hit(s)")
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if ctl == 0:
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print("CONTROL FAILED — archives not greppable this way; no negative is valid.")
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return 1
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print(f"{args.needle}: {len(hits)} hit(s)")
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for p, i in hits[:20]:
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print(f" {os.path.relpath(p, ROOT)} @ {i:#x}")
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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