Last few object bits implemented enough to parse Pop'n Music, a few more annotations.
This commit is contained in:
Jennifer Taylor
parent
d26f3e0238
commit
0bfec7655c
@ -162,7 +162,7 @@ class Point:
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return f"x: {round(self.x, 5)}, y: {round(self.y, 5)}"
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class Tag:
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class AP2Tag:
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END = 0x0
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SHOW_FRAME = 0x1
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DEFINE_SHAPE = 0x2
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@ -486,6 +486,101 @@ class AP2Action:
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return resources.get(tagid, "UNKNOWN")
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class AP2ObjectType:
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UNDEFINED = 0x0
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NAN = 0x1
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BOOLEAN = 0x2
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INTEGER = 0x3
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S64 = 0x4
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FLOAT = 0x5
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DOUBLE = 0x6
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STRING = 0x7
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POINTER = 0x8
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OBJECT = 0x9
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INFINITY = 0xa
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CONST_STRING = 0xb
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BUILT_IN_FUNCTION = 0xc
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class AP2PointerType:
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# The type of the object if it is an AP2ObjectType.POINTER or AP2ObjectType.OBJECT
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UNDEFINED = 0x0
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AFP_TEXT = 0x1
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AFP_RECT = 0x2
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AFP_SHAPE = 0x3
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DRAG = 0x4
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MATRIX = 0x5
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POINT = 0x6
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GETTER_SETTER_PROPERTY = 0x7
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FUNCTION_WITH_PROTOTYPE = 0x8
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ROW_DATA = 0x20
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object_W = 0x50
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movieClip_W = 0x51
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sound_W = 0x52
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color_W = 0x53
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date_W = 0x54
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array_W = 0x55
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xml_W = 0x56
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xmlNode_W = 0x57
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textFormat_W = 0x58
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sharedObject_W = 0x59
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sharedObjectData_W = 0x5a
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textField_W = 0x5b
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xmlAttrib_W = 0x5c
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bitmapdata_W = 0x5d
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matrix_W = 0x5e
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point_W = 0x5f
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ColorMatrixFilter_W = 0x60
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String_W = 0x61
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Boolean_W = 0x62
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Number_W = 0x63
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function_W = 0x64
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prototype_W = 0x65
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super_W = 0x66
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transform_W = 0x68
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colorTransform_W = 0x69
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rectangle_W = 0x6a
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# All of these can have prototypes, not sure what the "C" stands for.
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Object_C = 0x78
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MovieClip_C = 0x79
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Sound_C = 0x7a
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Color_C = 0x7b
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Date_C = 0x7c
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Array_C = 0x7d
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XML_C = 0x7e
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XMLNode_C = 0x7f
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TextFormat_C = 0x80
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TextField_C = 0x83
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BitmapData_C = 0x85
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matrix_C = 0x86
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point_C = 0x87
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String_C = 0x89
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Boolean_C = 0x8a
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Number_C = 0x8b
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Function_C = 0x8c
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aplib_C = 0x8f
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transform_C = 0x90
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colorTransform_C = 0x91
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rectangle_C = 0x92
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asdlib_C = 0x93
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XMLController_C = 0x94
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eManager_C = 0x95
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stage_O = 0xa0
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math_O = 0xa1
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key_O = 0xa2
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mouse_O = 0xa3
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system_O = 0xa4
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sharedObject_O = 0xa5
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flash_O = 0xa6
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global_O = 0xa7
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display_P = 0xb4
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geom_P = 0xb5
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filtesr_P = 0xb6
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class SWF:
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def __init__(
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self,
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@ -557,7 +652,7 @@ class SWF:
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def add_coverage(*args: Any, **kwargs: Any) -> None: # type: ignore
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pass
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if tagid == Tag.AP2_SHAPE:
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if tagid == AP2Tag.AP2_SHAPE:
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if size != 4:
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raise Exception(f"Invalid shape size {size}")
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@ -566,7 +661,7 @@ class SWF:
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shape_reference = f"{self.exported_name}_shape{shape_id}"
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vprint(f"{prefix} Tag ID: {shape_id}, AFP Reference: {shape_reference}, IFS GEO Filename: {md5(shape_reference.encode('utf-8')).hexdigest()}")
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elif tagid == Tag.AP2_DEFINE_SPRITE:
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elif tagid == AP2Tag.AP2_DEFINE_SPRITE:
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sprite_flags, sprite_id = struct.unpack("<HH", ap2data[dataoffset:(dataoffset + 4)])
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add_coverage(dataoffset, 4)
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@ -580,14 +675,14 @@ class SWF:
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vprint(f"{prefix} Tag ID: {sprite_id}")
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self.__parse_tags(ap2_version, afp_version, ap2data, subtags_offset, prefix=" " + prefix, verbose=verbose)
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elif tagid == Tag.AP2_DEFINE_FONT:
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elif tagid == AP2Tag.AP2_DEFINE_FONT:
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wat, font_id = struct.unpack("<HH", ap2data[dataoffset:(dataoffset + 4)])
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vprint(f"{prefix} Tag ID: {font_id}")
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elif tagid == Tag.AP2_DO_ACTION:
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elif tagid == AP2Tag.AP2_DO_ACTION:
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# TODO: This is wrong, this is only for defined functions.
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flags, unk1, nameoffset, unk2, _, unk3 = struct.unpack(">BHHHBH", ap2data[dataoffset:(dataoffset + 10)])
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vprint(f"{prefix} Flags: {hex(flags)}, Unk1: {hex(unk1)}, Name: {hex(nameoffset)}, Unk2: {hex(unk2)}, Unk3: {hex(unk3)}")
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elif tagid == Tag.AP2_PLACE_OBJECT:
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elif tagid == AP2Tag.AP2_PLACE_OBJECT:
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# Allow us to keep track of what we've consumed.
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datachunk = ap2data[dataoffset:(dataoffset + size)]
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flags, depth, object_id = struct.unpack("<IHH", datachunk[0:8])
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@ -713,19 +808,47 @@ class SWF:
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acolor.a = float(rgba & 0xFF) * 0.003921569
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vprint(f"{prefix} AColor: {color}")
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# Completely unsure what this is
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if flags & 0x80:
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raise Exception("Unhandled flag!")
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# Some sort of event data? I dunno, but it changes the running pointer for data
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# following it. Not sure what the data itself contains. This looks like it contains
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# some lengths such as length of bytecode contained, and length of some values
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# contained.
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flags, size = struct.unpack("<II", datachunk[running_pointer:(running_pointer + 8)])
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add_coverage(dataoffset + running_pointer, 8)
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running_pointer += size
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# TODO: This is basically not understood at all, I can't make heads or tails of
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# the code. This definitely contains bytecode in some circumstances, maybe sprite
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# init portion of the SWF spec?
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vprint(f"{prefix} Unknown Event data Flags: {hex(flags)}, Size: {size}")
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# Completely unsure what this is
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if flags & 0x10000:
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raise Exception("Unhandled flag!")
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# Some sort of filter data? Not sure what this is either. Needs more investigation
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# if I encounter files with it.
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count, size = struct.unpack("<HH", datachunk[running_pointer:(running_pointer + 4)])
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add_coverage(dataoffset + running_pointer, 4)
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running_pointer += size
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vprint(f"{prefix} Unknown Filter data Count: {count}, Size: {size}")
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# running_pointer + 4 starts a series of shorts (exactly count of them) which are
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# all in the range of 0-7, corresponding to some sort of filter. They get sizes
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# looked up and I presume there's data following this corresponding to those sizes.
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# I don't know however as I've not encountered data with this bit.
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if flags & 0x1000000:
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raise Exception("Unhandled flag!")
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# Some sort of point, perhaps an x, y offset for the object?
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x, y = struct.unpack("<ff", datachunk[running_pointer:(running_pointer + 8)])
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add_coverage(dataoffset + running_pointer, 8)
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running_pointer += 8
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point = Point(x / 20.0, y / 20.0)
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vprint(f"{prefix} Point: {point}")
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if flags & 0x2000000:
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raise Exception("Unhandled flag!")
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# Same as above, but initializing to 0, 0 instead of from data.
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point = Point(0.0, 0.0)
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vprint(f"{prefix} Point: {point}")
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# This flag states whether we are creating a new object on this depth, or updating one.
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if flags & 0x1:
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@ -736,7 +859,7 @@ class SWF:
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if running_pointer < size:
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raise Exception(f"Did not consume {size - running_pointer} bytes in object instantiation!")
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elif tagid == Tag.AP2_REMOVE_OBJECT:
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elif tagid == AP2Tag.AP2_REMOVE_OBJECT:
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if size != 4:
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raise Exception(f"Invalid shape size {size}")
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@ -781,7 +904,7 @@ class SWF:
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if size > 0x200000:
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raise Exception(f"Invalid tag size {size}")
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vprint(f"{prefix} Tag: {hex(tagid)} ({Tag.tag_to_name(tagid)}), Size: {hex(size)}, Offset: {hex(tags_offset + 4)}")
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vprint(f"{prefix} Tag: {hex(tagid)} ({AP2Tag.tag_to_name(tagid)}), Size: {hex(size)}, Offset: {hex(tags_offset + 4)}")
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self.__parse_tag(ap2_version, afp_version, ap2data, tagid, size, tags_offset + 4, prefix=prefix, verbose=verbose)
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tags_offset += size + 4 # Skip past tag header and data.
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@ -906,7 +1029,8 @@ class SWF:
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if flags & 0x1:
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# I have no idea what this is, but its treated as 4 bytes and something
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# happens if they aren't all 0xFF.
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# happens if they aren't all 0xFF. It looks like this is an animation
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# background color.
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unknown_bytes = struct.unpack("<4B", data[28:32])
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else:
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unknown_bytes = None
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