920cffda2d
* initial work on procedure patch * more flexibility load default procedure for version 5 patches add args for procedure add default extension for tokens and bsdiff allow specifying additional required extensions for generation * pushing current changes to go fix tloz bug * move tokens into a separate inheritable class * forgot the commit to remove token from ProcedurePatch * further cleaning from bad commit * start on docstrings * further work on docstrings and typing * improve docstrings * fix incorrect docstring * cleanup * clean defaults and docstring * define interface that has only the bare minimum required for `Patch.create_rom_file` * change to dictionary.get * remove unnecessary if statement * update to explicitly check for procedure, restore compatible version and manual override * Update Files.py * remove struct uses * Update Rom.py * convert KDL3 to APPP * change class variables to instance variables * Update worlds/Files.py Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com> * Update worlds/Files.py Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com> * move required_extensions to tuple * fix missing tuple ellipsis * fix classvar mixup * rename tokens to _tokens. use hasattr * type hint cleanup * Update Files.py * initial base for local items, need to finish * coo not clean * handle local items for real, appp cleanup * actually make bosses send their locations * fix cloudy park 4 rule, zero deathlink message * remove redundant door_shuffle bool when generic ER gets in, this whole function gets rewritten. So just clean it a little now. * properly fix deathlink messages, fix fill error * update docs * add prefill items * fix kine fill error * Update Rom.py * Update Files.py * mypy and softlock fix * Update Gifting.py * mypy phase 1 * fix rare async client bug * Update __init__.py * typing cleanup * fix stone softlock because of the way Kine's Stone works, you can't clear the stone blocks before clearing the burning blocks, so we have to bring Burning from outside * Update Rom.py * Add option groups * Rename to lowercase * finish rename * whoops broke the world * fix animal duplication bug * overhaul filler generation * add Miku flavor * Update gifting.py * fix issues related to max_hs increase * Update test_locations.py * fix boss shuffle not working if level shuffle is disabled * fix bleeding default levels * Update options.py * thought this would print seed * yay bad merges * forgot options too * yeah lets just break generation while at it * this is probably a problem * cap required heart stars * Revert "cap required heart stars" This reverts commit 759efd3e2b14ec2855082de041ac989cb9c5d500. * fix duplication removal placement, deprecated test option * forgot that we need to account for what we place * move location ids * rewrite trap handling * further stage renumber fixes * forgot one more * basic UT support * fix local heart star checks * fix pattern --------- Co-authored-by: beauxq <beauxq@yahoo.com> Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com> Co-authored-by: NewSoupVi <57900059+NewSoupVi@users.noreply.github.com>
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
def hal_decompress(comp: bytes) -> bytes:
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"""
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HAL decompression based on exhal by devinacker
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https://github.com/devinacker/exhal
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"""
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inpos = 0
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inval = 0
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output = bytearray()
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while inval != 0xFF:
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remaining = 65536 - inpos
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if remaining < 1:
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return bytes()
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inval = comp[inpos]
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inpos += 1
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if inval == 0xFF:
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break
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if (inval & 0xE0) == 0xE0:
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command = (inval >> 2) & 0x07
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length = (((inval & 0x03) << 8) | comp[inpos]) + 1
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inpos += 1
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else:
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command = inval >> 5
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length = (inval & 0x1F) + 1
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if (command == 2 and ((len(output) + 2*length) > 65536)) or (len(output) + length) > 65536:
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return bytes()
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if command == 0:
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output.extend(comp[inpos:inpos+length])
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inpos += length
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elif command == 1:
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output.extend([comp[inpos] for _ in range(length)])
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inpos += 1
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elif command == 2:
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output.extend([comp[x] for _ in range(length) for x in (inpos, inpos+1)])
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inpos += 2
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elif command == 3:
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output.extend([comp[inpos] + i for i in range(length)])
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inpos += 1
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elif command == 4 or command == 7:
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offset = (comp[inpos] << 8) | comp[inpos + 1]
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if (offset + length) > 65536:
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return bytes()
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output.extend(output[offset:offset+length])
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inpos += 2
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elif command == 5:
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offset = (comp[inpos] << 8) | comp[inpos + 1]
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if (offset + length) > 65536:
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return bytes()
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output.extend([int('{:08b}'.format(x)[::-1], 2) for x in output[offset:offset+length]])
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inpos += 2
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elif command == 6:
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offset = (comp[inpos] << 8) | comp[inpos + 1]
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if offset < length - 1:
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return bytes()
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output.extend([output[offset - x] for x in range(length)])
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inpos += 2
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return bytes(output)
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