def bit_pack_unpack(cls, decoder: BitPackDecoder, database: ResourceDatabase) -> PickupEntry:
helper = DatabaseBitPackHelper(database)
name = bitpacking.decode_string(decoder)
model = PickupModel(
game=RandovaniaGame.bit_pack_unpack(decoder, {}),
name=bitpacking.decode_string(decoder),
)
item_category = ItemCategory.bit_pack_unpack(decoder, {})
broad_category = ItemCategory.bit_pack_unpack(decoder, {})
progression = bitpacking.decode_tuple(decoder, helper.decode_resource_quantity)
extra_resources = bitpacking.decode_tuple(decoder, helper.decode_resource_quantity)
unlocks_resource = bitpacking.decode_bool(decoder)
resource_lock = None
if bitpacking.decode_bool(decoder):
resource_lock = helper.decode_resource_lock(decoder)
respects_lock = bitpacking.decode_bool(decoder)
probability_offset = BitPackFloat.bit_pack_unpack(decoder, _PROBABILITY_OFFSET_META)
probability_multiplier = BitPackFloat.bit_pack_unpack(decoder, _PROBABILITY_MULTIPLIER_META)
return PickupEntry(
name=name,
model=model,
item_category=item_category,
broad_category=broad_category,
progression=progression,
extra_resources=extra_resources,
unlocks_resource=unlocks_resource,
resource_lock=resource_lock,
respects_lock=respects_lock,
probability_offset=probability_offset,
probability_multiplier=probability_multiplier,
)
def bit_pack_unpack(cls, decoder: BitPackDecoder, name: str,
database: ResourceDatabase) -> PickupEntry:
model_index = decoder.decode_single(255)
probability_offset = BitPackFloat.bit_pack_unpack(
decoder, _PROBABILITY_OFFSET_META)
probability_multiplier = BitPackFloat.bit_pack_unpack(
decoder, _PROBABILITY_MULTIPLIER_META)
item_category = ItemCategory.bit_pack_unpack(decoder, {})
broad_category = ItemCategory.bit_pack_unpack(decoder, {})
has_name = bitpacking.decode_bool(decoder)
num_conditional = decoder.decode_single(
MAXIMUM_PICKUP_CONDITIONAL_RESOURCES) + 1
conditional_resources = []
for i in range(num_conditional):
item_name = None # TODO: get the first resource name
if i > 0:
item_dependency = decoder.decode_element(database.item)
else:
item_dependency = None
resources = []
for _ in range(decoder.decode_single(MAXIMUM_PICKUP_RESOURCES +
1)):
resource = decoder.decode_element(database.item)
quantity = decoder.decode_single(255)
resources.append((resource, quantity))
if has_name:
if bitpacking.decode_bool(decoder):
item_name = name
else:
item_name = resources[0][0].long_name
conditional_resources.append(
ConditionalResources(
name=item_name,
item=item_dependency,
resources=tuple(resources),
))
num_convert = decoder.decode_single(MAXIMUM_PICKUP_CONVERSION + 1)
convert_resources = []
for i in range(num_convert):
source = decoder.decode_element(database.item)
target = decoder.decode_element(database.item)
convert_resources.append(ResourceConversion(source, target))
return PickupEntry(
name=name,
model_index=model_index,
item_category=item_category,
broad_category=broad_category,
resources=tuple(conditional_resources),
convert_resources=tuple(convert_resources),
probability_offset=probability_offset,
probability_multiplier=probability_multiplier,
)
