def load(filepath):
reader = binary.BinaryReader(filename = filepath)
tempName = filepath.split("//")[-1]
if tempName == "":
print("Warning: Invalid filename!")
tempName = "NULL"
return File(name=tempName, data=reader.data)
def load(self, data):
def getBankString(reader, offsetString):
bankString = {}
reader.seek(offsetString)
while reader.hasDataRemaining():
index = reader.tell() - offsetString
bankString[index] = reader.readNullTerminatedString(
'shift-jis')
reader.seek(1, 1)
return bankString
def getBankOperand(reader, offsetOperands, countOperands, bankString):
reader.seek(offsetOperands)
bankOperands = {}
for indexOperand in range(countOperands):
tempOperandType = reader.readUInt(1)
if tempOperandType == 0:
tempOperand = reader.readS4()
elif tempOperandType == 1:
tempOperand = reader.readF4()
elif tempOperandType == 2:
tempOperand = bankString[reader.readU4()]
else:
tempOperand = reader.read(4)
bankOperands[indexOperand] = Operand(tempOperandType,
tempOperand)
return bankOperands
def populateInstructionOperands(bankOperands):
for command in self.commands:
for indexInstruction in range(
command.indexOperandsStart,
command.indexOperandsStart + command.countOperands):
command.operands.append(bankOperands[indexInstruction])
reader = binary.BinaryReader(data=data)
if reader.read(4) == b'LSCR':
countCommand = reader.readU2()
countOperands = 0
offsetHeader = reader.readU2()
offsetOperands = reader.readU4()
offsetString = reader.readU4()
bankString = getBankString(reader, offsetString)
reader.seek(offsetHeader)
for indexCommand in range(countCommand):
self.commands.append(FutureInstruction.fromData(
reader.read(8)))
countOperands = max(
countOperands,
self.commands[indexCommand].indexOperandsStart +
self.commands[indexCommand].countOperands)
bankOperand = getBankOperand(reader, offsetOperands, countOperands,
bankString)
populateInstructionOperands(bankOperand)
return True
return False
def compressRle(self, addHeader=False):
writer = binary.BinaryWriter()
reader = binary.BinaryReader(data = self.data)
tempCompressedByte = b''
tempCompressedByteLength = 0
tempUncompressedSection = bytearray(b'')
compressRepetition = False
def getRleFlagByte(isCompressed, length):
if isCompressed:
return (0x80 | (length - 3)).to_bytes(1, byteorder = 'little') # Enable MSB compression flag
return (length - 1).to_bytes(1, byteorder = 'little')
def writeData():
if len(tempUncompressedSection) > 0:
writer.write(getRleFlagByte(False, len(tempUncompressedSection)) + tempUncompressedSection)
if tempCompressedByteLength > 0:
writer.write(getRleFlagByte(True, tempCompressedByteLength) + tempCompressedByte)
while reader.hasDataRemaining():
tempByte = reader.read(1)
if compressRepetition:
if tempByte == tempCompressedByte:
tempCompressedByteLength += 1
if tempCompressedByteLength == 130 or tempByte != tempCompressedByte: # If max size has been reached or there's no more repetition
compressRepetition = False
if tempCompressedByteLength < 3: # Free data if compression won't do much
tempUncompressedSection.extend((tempCompressedByte * tempCompressedByteLength) + tempByte)
else: # Else, write uncompressed section, then compressed data
writeData()
if tempByte == tempCompressedByte: # If the compression ended because the max block size was met,
tempUncompressedSection = bytearray(b'') # reinitiate the uncompressed section.
else:
tempUncompressedSection = bytearray(tempByte) # Else, continue the uncompressed section as normal.
tempCompressedByteLength = 0
else:
tempUncompressedSection.extend(tempByte)
if len(tempUncompressedSection) == 128: # Reinitiate block if max size met
writeData()
tempUncompressedSection = bytearray(b'')
elif len(tempUncompressedSection) > 1 and tempUncompressedSection[-2] == tempUncompressedSection[-1]:
tempCompressedByte = tempByte
tempCompressedByteLength = 2
compressRepetition = True
tempUncompressedSection = tempUncompressedSection[0:-2]
# Write anything left, as there may be blocks remaining after the reader ran out of data
writeData()
if addHeader:
self.data = bytearray(File.LAYTON_1_COMPRESSION[File.COMP_RLE] + File.COMP_RLE + len(self.data).to_bytes(3, byteorder = 'little') + writer.data)
else:
self.data = bytearray(File.COMP_RLE + len(self.data).to_bytes(3, byteorder = 'little') + writer.data)
def decompressHuffman(self, offsetIn=0):
reader = binary.BinaryReader(data = self.data)
reader.seek(offsetIn)
magic = reader.readUInt(1)
if magic & 0xF0 != 0x20:
return False
elif magic & 0x0F == 0x04:
useHalfByteBlocks = True
else:
useHalfByteBlocks = False
tempFilesize = reader.readUInt(3)
tempTreeLength = (reader.readUInt(1) * 2) + 1
tree = _HuffmanTree.decode(reader, offsetIn, offsetIn + tempTreeLength + 5)
reader.seek(offsetIn + tempTreeLength + 5)
writer = binary.BinaryWriter()
bitsLeft = 0
currentNode = tree.root
isMsbNibble = True
while writer.tell() < tempFilesize: # Ported from DsDecmp
while currentNode.data == None:
if bitsLeft == 0:
data = reader.readU4()
bitsLeft = 32
bitsLeft-=1
nextIsRight = (data & (1 << bitsLeft)) != 0
if nextIsRight:
currentNode = currentNode.right
else:
currentNode = currentNode.left
if useHalfByteBlocks:
if isMsbNibble:
tempIntData = int.from_bytes(currentNode.data, byteorder = 'little') << 4
else:
tempIntData |= int.from_bytes(currentNode.data, byteorder = 'little')
writer.writeInt(tempIntData, 1)
isMsbNibble = not(isMsbNibble)
else:
writer.write(currentNode.data)
currentNode = tree.root
if useHalfByteBlocks and not(isMsbNibble):
writer.writeInt(tempIntData, 1)
self.data = writer.data[:tempFilesize]
return True
def decompressRle(self, offsetIn=0):
reader = binary.BinaryReader(data = self.data)
reader.seek(offsetIn)
if reader.readUInt(1) != File.COMP_RLE:
return False
tempFilesize = reader.readUInt(3)
writer = binary.BinaryWriter()
while writer.tell() < tempFilesize:
flag = int.from_bytes(reader.read(1), byteorder = 'little')
isCompressed = (flag & 0x80) > 0
if isCompressed:
decompressedLength = (flag & 0x7f) + 3
decompressedData = reader.read(1)
for _indexByte in range(decompressedLength):
writer.write(decompressedData)
else:
decompressedLength = (flag & 0x7f) + 1
writer.write(reader.read(decompressedLength))
self.data = writer.data
return True
def load(self, data):
reader = binary.BinaryReader(data = data)
if reader.read(4) == b'LPC2':
countFile = reader.readU4()
offsetFile = reader.readU4()
_lengthArchive = reader.readU4()
offsetMetadata = reader.readU4()
offsetName = reader.readU4()
for indexFile in range(countFile):
reader.seek(offsetMetadata + (12 * indexFile))
fileOffsetName = reader.readU4()
fileOffsetData = reader.readU4()
fileLengthData = reader.readU4()
reader.seek(offsetName + fileOffsetName)
tempName = reader.readNullTerminatedString('shift-jis')
reader.seek(offsetFile + fileOffsetData)
tempData = reader.read(fileLengthData)
self.files.append(File(tempName, data=tempData))
return True
return False
def load(self, data):
reader = binary.BinaryReader(data=data)
if reader.read(4) == b'LIMG':
lengthHeader = reader.readU4()
offsetSubImageData = reader.readU2()
countSubImage = reader.readU2()
offsetImageParam = reader.readU2()
reader.seek(2, 1) # UNK
offsetTableTile = reader.readU2()
lengthTableTile = reader.readU2()
offsetTile = reader.readU2()
countTile = reader.readU2()
countPalette = reader.readU2() # Always 1
lengthPalette = reader.readU2()
resolution = (reader.readU2(), reader.readU2())
bpp = math.ceil(math.ceil(math.log(lengthPalette, 2)) / 4) * 4
reader.seek(offsetSubImageData)
for _subImageCount in range(countSubImage):
self.subImageCropRegions.append(
(reader.readUInt(1) * 8, reader.readUInt(1) * 8,
reader.readUInt(1) * 8, reader.readUInt(1) * 8))
reader.seek(4, 1)
reader.seek(lengthHeader)
palette = []
for _indexColour in range(lengthPalette):
palette.extend(Colour.fromInt(reader.readU2()).toList())
self.imageAtlas = Image.new("P", resolution)
self.imageAtlas.putpalette(palette)
self.imageAtlas.paste(0, (0, 0, resolution[0], resolution[1]))
reader.seek(offsetTile)
tilePilMap = {}
for index in range(countTile):
tilePilMap[index] = Tile(data=reader.read(int((bpp * 64) /
8))).decodeToPil(
palette, bpp)
reader.seek(offsetTableTile)
width, height = self.imageAtlas.size
for y in range(height // 8):
for x in range(width // 8):
tempSelectedTile = reader.readU2()
tileSelectedIndex = tempSelectedTile & (2**10 - 1)
tileSelectedFlipX = tempSelectedTile & (2**11)
tileSelectedFlipY = tempSelectedTile & (2**10)
if tileSelectedIndex < (2**10 - 1):
tileFocus = tilePilMap[tileSelectedIndex % countTile]
if tileSelectedFlipX:
tileFocus = tileFocus.transpose(
method=Image.FLIP_LEFT_RIGHT)
if tileSelectedFlipY:
tileFocus = tileFocus.transpose(
method=Image.FLIP_TOP_BOTTOM)
self.imageAtlas.paste(tileFocus, (x * 8, y * 8))
else:
print("Failed magic test!")
"RGBA",
(command.operands[3].value, command.operands[4].value))
# TODO : Offset not implemented
elif command.opcode == b'\xfe\x03':
targetSubImage = atlasesAsIndex[command.operands[
0].value].subImages[command.operands[1].value]
tempFrame.paste(
targetSubImage,
(command.operands[2].value, command.operands[3].value),
targetSubImage)
# TODO : Another UNK
# TODO : alpha_composite
elif command.opcode == b'\xfd\x03':
self.frames[tempName] = tempFrame
def export(self, filename):
for frameName in list(self.frames.keys()):
self.frames[frameName].save(
path.splitext(filename)[0] + "_" + frameName + "." +
EXPORT_EXTENSION)
if __name__ == "__main__":
import sys
if len(sys.argv) > 1:
if sys.argv[1].split(".")[-1] == "cani":
testImage = LaytonAnimatedImage()
else:
testImage = LaytonBackgroundImage()
testImage.load(binary.BinaryReader(filename=sys.argv[1]).data)
testImage.export(".".join(sys.argv[1].split(".")[:-1]))
def compressHuffman(self, useHalfByteBlocks = False, addHeader=False):
reader = binary.BinaryReader(data = self.data)
freqDict = {}
while reader.hasDataRemaining(): # Build frequency table
tempByte = [bytes(reader.read(1))]
if useHalfByteBlocks:
tempByte[0] = int.from_bytes(tempByte[0], byteorder = 'little')
tempByte = [(tempByte[0] >> 4).to_bytes(1, byteorder = 'little'), (tempByte[0] & 0x0F).to_bytes(1, byteorder = 'little')]
for block in tempByte:
if block not in freqDict.keys():
freqDict[block] = _HuffmanCompressionNode(data = block)
freqDict[block].weight += 1
nodes = freqDict.values()
if len(nodes) > 2**9:
raise Exception("Huffman encode: Tree too long to be encoded!")
while len(nodes) > 1: # Build Huffman tree by grouping nodes
nodes = sorted(nodes, key=lambda huffNode : huffNode.weight)
newNode = _HuffmanCompressionNode(left = nodes[0], right = nodes[1], weight = nodes[0].weight + nodes[1].weight)
newNode.left.parent = newNode
newNode.right.parent = newNode
nodes = nodes[2:]
nodes.append(newNode)
tree = _HuffmanTree(nodes[0])
writer = binary.BinaryWriter()
if useHalfByteBlocks:
writer.writeInt(File.COMP_HUFFMAN_4_BIT, 1)
else:
writer.writeInt(File.COMP_HUFFMAN_8_BIT, 1)
writer.writeInt(len(self.data), 3)
writer.write(tree.encode())
keyDict = {}
for key in freqDict.keys():
keyDict[freqDict[key].data] = freqDict[key].getBoolCode()
reader.seek(0)
compressionBlock = 0
compressionBlockBitsRemaining = 32
while reader.hasDataRemaining(): # Ported from DsDecmp
tempByte = [reader.read(1)]
if useHalfByteBlocks:
tempByte[0] = int.from_bytes(tempByte[0], byteorder = 'little')
tempByte = [(tempByte[0] >> 4).to_bytes(1, byteorder = 'little'), (tempByte[0] & 0x0F).to_bytes(1, byteorder = 'little')]
for data in tempByte:
for bit in keyDict[bytes(data)]:
if compressionBlockBitsRemaining == 0:
writer.writeU4(compressionBlock)
compressionBlock = 0
compressionBlockBitsRemaining = 32
compressionBlockBitsRemaining -= 1
if bit:
compressionBlock = compressionBlock | (1 << compressionBlockBitsRemaining)
if compressionBlockBitsRemaining != 32:
writer.writeU4(compressionBlock)
writer.dsAlign(4, 4)
if addHeader:
if useHalfByteBlocks:
self.data = File.LAYTON_1_COMPRESSION[File.COMP_HUFFMAN_4_BIT] + writer.data
else:
self.data = File.LAYTON_1_COMPRESSION[File.COMP_HUFFMAN_8_BIT] + writer.data
else:
self.data = writer.data
def setFromData(self, data):
reader = binary.BinaryReader(data=data)
self.opcode = reader.read(2)
self.countOperands = reader.readU2()
self.indexOperandsStart = reader.readU4()
for indexCommand in range(countCommand):
self.commands.append(FutureInstruction.fromData(
reader.read(8)))
countOperands = max(
countOperands,
self.commands[indexCommand].indexOperandsStart +
self.commands[indexCommand].countOperands)
bankOperand = getBankOperand(reader, offsetOperands, countOperands,
bankString)
populateInstructionOperands(bankOperand)
return True
return False
def __str__(self):
output = ""
for operation in debug.commands:
output += "\n\n" + str(operation)
return output
if __name__ == "__main__":
import sys
if len(sys.argv) > 1:
debug = LaytonScript()
debug.load(binary.BinaryReader(filename=sys.argv[1]).data)
for operation in debug.commands:
print(operation)
print()
exit = input("Return to exit...")
