def _decode_preset(decoder: BitPackDecoder, manager: PresetManager) -> Preset:
included_presets = [versioned.get_preset() for versioned in manager.included_presets]
is_custom_preset = bitpacking.decode_bool(decoder)
reference_preset = decoder.decode_element(included_presets)
if is_custom_preset:
patcher_configuration = PatcherConfiguration.bit_pack_unpack(
decoder, {"reference": reference_preset.patcher_configuration})
layout_configuration = LayoutConfiguration.bit_pack_unpack(
decoder, {"reference": reference_preset.layout_configuration})
preset = Preset(
name="{} Custom".format(reference_preset.name),
description="A customized preset.",
base_preset_name=reference_preset.name,
patcher_configuration=patcher_configuration,
layout_configuration=layout_configuration,
)
else:
preset = reference_preset
included_data_hash = decoder.decode_single(256)
expected_data_hash = _dictionary_byte_hash(preset.layout_configuration.game_data)
if included_data_hash != expected_data_hash:
raise ValueError("Given permalink is for a Randovania database with hash '{}', "
"but current database has hash '{}'.".format(included_data_hash, expected_data_hash))
return preset
def test_decode(patcher_with_data):
# Setup
data, expected = patcher_with_data
# Run
decoder = BitPackDecoder(data)
result = PatcherConfiguration.bit_pack_unpack(decoder, {})
# Assert
assert result == expected
def bit_pack_unpack(cls, decoder: BitPackDecoder) -> "Permalink":
version, seed, spoiler = decoder.decode(_PERMALINK_MAX_VERSION,
_PERMALINK_MAX_SEED, 2)
cls._raise_if_different_version(version)
included_data_hash = decoder.decode(256)[0]
patcher_configuration = PatcherConfiguration.bit_pack_unpack(decoder)
layout_configuration = LayoutConfiguration.bit_pack_unpack(decoder)
expected_data_hash = _dictionary_byte_hash(
layout_configuration.game_data)
if included_data_hash != expected_data_hash:
raise ValueError(
"Given permalink is for a Randovania database with hash '{}', "
"but current database has hash '{}'.".format(
included_data_hash, expected_data_hash))
return Permalink(seed, bool(spoiler), patcher_configuration,
layout_configuration)
def bit_pack_unpack(cls, decoder: BitPackDecoder, metadata) -> "Permalink":
version, seed, spoiler = decoder.decode(_PERMALINK_MAX_VERSION,
_PERMALINK_MAX_SEED, 2)
cls._raise_if_different_version(version)
included_data_hash = decoder.decode_single(256)
manager = PresetManager(None)
is_custom_preset = bitpacking.decode_bool(decoder)
reference_preset = decoder.decode_element(manager.included_presets)
if is_custom_preset:
patcher_configuration = PatcherConfiguration.bit_pack_unpack(
decoder, {"reference": reference_preset.patcher_configuration})
layout_configuration = LayoutConfiguration.bit_pack_unpack(
decoder, {"reference": reference_preset.layout_configuration})
preset = Preset(
name="{} Custom".format(reference_preset.name),
description="A customized preset.",
base_preset_name=reference_preset.name,
patcher_configuration=patcher_configuration,
layout_configuration=layout_configuration,
)
else:
preset = reference_preset
expected_data_hash = _dictionary_byte_hash(
preset.layout_configuration.game_data)
if included_data_hash != expected_data_hash:
raise ValueError(
"Given permalink is for a Randovania database with hash '{}', "
"but current database has hash '{}'.".format(
included_data_hash, expected_data_hash))
return Permalink(
seed,
bool(spoiler),
preset,
)
