Cool_Tools/bemaniutils
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mirror of synced 2024-11-28 07:50:51 +01:00
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Fix a few more todos, slight renaming based on better understanding.

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This commit is contained in:
Jennifer Taylor 2021-04-05 16:28:34 +00:00
parent 0bfec7655c
commit 50b5ae8616
1 changed files with 27 additions and 19 deletions
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46
bemani/format/afp.py
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@ -1026,14 +1026,22 @@ class SWF:
raise Exception(f"Unrecognzied magic {magic}!")
if length != len(data):
raise Exception(f"Unexpected length in AFP header, {length} != {len(data)}!")
if ap2_data_version != 8:
raise Exception(f"Unsupported AP2 container version {ap2_data_version}!")
if version != 0x200:
raise Exception(f"Unsupported AP2 version {version}!")
if flags & 0x1:
# I have no idea what this is, but its treated as 4 bytes and something
# happens if they aren't all 0xFF. It looks like this is an animation
# background color.
unknown_bytes = struct.unpack("<4B", data[28:32])
# This appears to be the animation background color.
rgba = struct.unpack("<I", data[28:32])[0]
swf_color = Color(
r=(rgba & 0xFF) / 255.0,
g=((rgba >> 8) & 0xFF) / 255.0,
b=((rgba >> 16) & 0xFF) / 255.0,
a=((rgba >> 24) & 0xFF) / 255.0,
)
else:
unknown_bytes = None
swf_color = None
add_coverage(28, 4)
if flags & 0x2:
@ -1045,11 +1053,11 @@ class SWF:
if flags & 0x4:
# This seems related to imported tags.
imported_tag_something_offset = struct.unpack("<I", data[56:60])[0]
imported_tag_initializers_offset = struct.unpack("<I", data[56:60])[0]
add_coverage(56, 4)
else:
# Unknown offset is not present.
imported_tag_something_offset = None
imported_tag_initializers_offset = None
# String table
stringtable_offset, stringtable_size = struct.unpack("<II", data[48:56])
@ -1068,17 +1076,17 @@ class SWF:
vprint(f"Exported Name: {self.exported_name}")
vprint(f"SWF Flags: {hex(flags)}")
if flags & 0x1:
vprint(f" 0x1: Unknown bytes: {' '.join(hex(i) for i in unknown_bytes)}")
vprint(f" 0x1: Movie background color: {swf_color}")
else:
vprint(" 0x2: Unknown bytes ignored")
vprint(" 0x2: No movie background color")
if flags & 0x2:
vprint(" 0x2: FPS is an integer")
else:
vprint(" 0x2: FPS is a float")
if flags & 0x4:
vprint(f" 0x4: Unknown imported tag section present at offset {hex(imported_tag_something_offset)}")
vprint(" 0x4: Imported tag initializer section present")
else:
vprint(" 0x4: Unknown imported tag section not present")
vprint(" 0x4: Imported tag initializer section not present")
vprint(f"Dimensions: {width}x{height}")
vprint(f"Requested FPS: {fps}")
@ -1088,7 +1096,7 @@ class SWF:
add_coverage(32, 2)
add_coverage(40, 4)
# TODO: How do these point at created tags in the SWF?
# Parse exported asset tag names and their tag IDs.
vprint(f"Number of Exported Tags: {num_exported_assets}")
for assetno in range(num_exported_assets):
asset_data_offset, asset_string_offset = struct.unpack("<HH", data[asset_offset:(asset_offset + 4)])
@ -1097,7 +1105,7 @@ class SWF:
asset_name = self.__get_string(asset_string_offset)
add_coverage(asset_string_offset + stringtable_offset, len(asset_name) + 1, unique=False)
vprint(f" {assetno}: {asset_name}")
vprint(f" {assetno}: Tag Name: {asset_name} Tag ID: {asset_data_offset}")
# Tag sections
tags_offset = struct.unpack("<I", data[36:40])[0]
@ -1135,20 +1143,20 @@ class SWF:
imported_tags_offset += 4
# Some imported tag data.
if imported_tag_something_offset is not None:
if imported_tag_initializers_offset is not None:
unk1, length = struct.unpack("<HH", data[imported_tag_something_offset:(imported_tag_something_offset + 4)])
add_coverage(imported_tag_something_offset, 4)
unk1, length = struct.unpack("<HH", data[imported_tag_initializers_offset:(imported_tag_initializers_offset + 4)])
add_coverage(imported_tag_initializers_offset, 4)
vprint(f"Imported tag unknown data offset: {hex(imported_tag_something_offset)}, length: {length}")
vprint(f"Imported Tag Initializer Offset: {hex(imported_tag_initializers_offset)}, Length: {length}")
for i in range(length):
item_offset = imported_tag_something_offset + 4 + (i * 12)
item_offset = imported_tag_initializers_offset + 4 + (i * 12)
tag_id, length, action_bytecode_offset, has_action_bytecode = struct.unpack("<HHII", data[item_offset:(item_offset + 12)])
add_coverage(item_offset, 12)
if has_action_bytecode != 0:
vprint(f" Tag ID: {tag_id}, Bytecode Offset: {hex(action_bytecode_offset + imported_tag_something_offset)}, Length: {hex(length)}")
vprint(f" Tag ID: {tag_id}, Bytecode Offset: {hex(action_bytecode_offset + imported_tag_initializers_offset)}, Length: {hex(length)}")
else:
vprint(f" Tag ID: {tag_id}, No Bytecode Present")