def read_attribute_as_char(item, offset, char_count, bits_per_char):
item_code = ''
for _ in range(char_count): # Reach each char individually
char = chr(read_bits(item, offset, bits_per_char))
offset += bits_per_char
if char == ' ':
break
item_code += char
return item_code, offset
def get_item_code(item):
# Get the item code
if Item.is_ear(
item
): # Ears lack the bits that indicate item code, but they have a specific ear indicator
return 'ear'
item_code = ''
for i in range(4): # Reach each char individually
char = chr(read_bits(item, 76 + i * 8, 8))
if char != ' ': # Item codes are 4 bytes long but most of them have a space as the last char which
# should be ignored
item_code += char
return item_code
def get_set_id(self, item):
# Get the set id of the item.
if self.rarity is not Rarity.SET: # First, make sure it's actually a set item
return None
# The relevant bit offset depends on whether the item has multiple graphics and/or is class specific
offset = 156
if self.has_multiple_pictures(item):
offset += 3
if self.is_class_specific(item):
offset += 11
# Once the set id is obtained, get the "true" set id from item_data.py
# The set id as given in the item data actually indicates the specific item and not the set, i.e. Sigon parts
# have different ids in the 35-40 range, Death's set is 47-49, etc. We want a single id for each set.
return get_true_set_id(read_bits(item, offset, 12))
def is_class_specific(item):
# The bits indicating if an item is class specific vary in location based on whether it has multiple pictures
if Item.has_multiple_pictures(item):
return read_bits(item, 158, 1)
return read_bits(item, 155, 1)
def get_picture_id(item):
# Return id of picture for items with multiple pictures
if Item.is_simple(item) or not Item.has_multiple_pictures(item):
return None
return read_bits(item, 155, 3)
def has_multiple_pictures(item):
# Used to indicate whether an item can have multiple graphics (like rings, amulets, jewels etc)
return read_bits(item, 154, 1)
def get_rarity(item):
if Item.is_simple(item):
return None
return Rarity(read_bits(item, 150, 4))
def is_simple(item):
return read_bits(item, 37, 1)
def is_runeword(item):
return read_bits(item, 42, 1)
def is_ear(item):
return read_bits(item, 32, 1)
def get_position(item):
# Get position in stash
x_pos = read_bits(item, 65, 4)
y_pos = read_bits(item, 69, 4)
return x_pos, y_pos
def num_filled_sockets(item):
# Return number of socketed items in item
if Item.is_ear(item):
return 0
return read_bits(item, 108, 3)
def read_attribute(item, offset, bits_to_read):
return read_bits(item, offset, bits_to_read), offset + bits_to_read
