1
0
mirror of synced 2024-11-27 23:50:47 +01:00

Add heuristic for parsing a troublesome flag in SWF object create tags.

This commit is contained in:
Jennifer Taylor 2021-05-05 00:55:34 +00:00
parent f75b9f038e
commit eba79ed3bc

View File

@ -1156,13 +1156,22 @@ class SWF(TrackedCoverage, VerboseOutput):
if flags & 0x40000:
# Some pair of shorts, not sure, its in DDR PS3 data.
unhandled_flags &= ~0x40000
x, y = struct.unpack("<HH", datachunk[running_pointer:(running_pointer + 4)])
self.add_coverage(dataoffset + running_pointer, 4)
running_pointer += 4
# TODO: I have no idea what these are.
point = Point(float(x) * 3.051758e-05, float(y) * 3.051758e-05)
self.vprint(f"{prefix} Point: {point}")
# This is a bit nasty, but the newest version of data we see in
# Bishi with this flag set is 0x8, and the oldest version in DDR
# PS3 is also 0x8. Newer AFP versions do something with this flag
# but Bishi straight-up ignores it (no code to even check it), so
# we must use a heuristic for determining if this is parseable...
if running_pointer == len(datachunk):
pass
else:
x, y = struct.unpack("<HH", datachunk[running_pointer:(running_pointer + 4)])
self.add_coverage(dataoffset + running_pointer, 4)
running_pointer += 4
# TODO: I have no idea what these are.
point = Point(float(x) * 3.051758e-05, float(y) * 3.051758e-05)
self.vprint(f"{prefix} Point: {point}")
if flags & 0x80000:
# Some pair of shorts, not sure, its in DDR PS3 data.