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from typing import Optional
from lib.utils import to_snake_case, upper_first_letter, get_dir_location, to_camel_case
from ..mappings import Mappings
import re
BLOCKS_RS_DIR = get_dir_location('../azalea-block/src/blocks.rs')
# Terminology:
# - Property: A property of a block, like "direction"
# - Variant: A potential state of a property, like "up"
# - State: A possible state of a block, a combination of variants
# - Block: Has properties and states.
def generate_blocks(blocks_burger: dict, blocks_report: dict, ordered_blocks: list[str], mappings: Mappings):
with open(BLOCKS_RS_DIR, 'r') as f:
existing_code = f.read().splitlines()
new_make_block_states_macro_code = []
new_make_block_states_macro_code.append('make_block_states! {')
def get_property_struct_name(property: Optional[dict], block_data_burger: dict, property_variants: list[str]) -> str:
if property is None:
return '_'.join(map(to_camel_case, property_variants))
property_name = None
for class_name in [block_data_burger['class']] + block_data_burger['super']:
property_name = mappings.get_field(
class_name, property['field_name'])
if property_name:
break
assert property_name
property_name = to_camel_case(property_name.lower())
if property['type'] == 'int':
property_name = to_camel_case(
block_data_burger['text_id']) + property_name
return property_name
# Find properties
properties = {}
# This dict looks like { 'FloweringAzaleaLeavesDistance': 'distance' }
property_struct_names_to_names = {}
for block_id in ordered_blocks:
block_data_burger = blocks_burger[block_id]
block_data_report = blocks_report[f'minecraft:{block_id}']
block_properties = {}
for property_name in list(block_data_report.get('properties', {}).keys()):
property_burger = None
for property in block_data_burger.get('states', []):
if property['name'] == property_name:
property_burger = property
break
property_variants = block_data_report['properties'][property_name]
if property_burger is None:
print(
'Warning: The reports have states for a block, but Burger doesn\'t!', block_data_burger)
property_struct_name = get_property_struct_name(
property_burger, block_data_burger, property_variants)
# assert property_name == property_burger['name']
block_properties[property_struct_name] = property_variants
# if the name ends with _<number>, remove that part
ending = property_name.split('_')[-1]
if ending.isdigit():
property_name = property_name[:-(len(ending) + 1)]
property_struct_names_to_names[property_struct_name] = property_name
properties.update(block_properties)
# Property codegen
new_make_block_states_macro_code.append(' Properties => {')
for property_struct_name, property_variants in properties.items():
# "face" => Face {
# Floor,
# Wall,
# Ceiling,
# },
property_name = property_struct_names_to_names[property_struct_name]
new_make_block_states_macro_code.append(
f' "{property_name}" => {property_struct_name} {{')
for variant in property_variants:
new_make_block_states_macro_code.append(
f' {to_camel_case(variant)},')
new_make_block_states_macro_code.append(
f' }},')
new_make_block_states_macro_code.append(' },')
# Block codegen
new_make_block_states_macro_code.append(' Blocks => {')
for block_id in ordered_blocks:
block_data_burger = blocks_burger[block_id]
block_data_report = blocks_report['minecraft:' + block_id]
block_properties = block_data_burger.get('states', [])
block_properties_burger = block_data_burger.get('states', [])
default_property_variants: dict[str, str] = {}
for state in block_data_report['states']:
if state.get('default'):
default_property_variants = state.get('properties', {})
# TODO: use burger to generate the blockbehavior
new_make_block_states_macro_code.append(
f' {block_id} => BlockBehavior::default(), {{')
for property_name in list(block_data_report.get('properties', {}).keys()):
property_burger = None
for property in block_data_burger.get('states', []):
if property['name'] == property_name:
property_burger = property
break
property_default = default_property_variants.get(property_name)
property_variants = block_data_report['properties'][property_name]
property_struct_name = get_property_struct_name(
property_burger, block_data_burger, property_variants)
assert property_default is not None
new_make_block_states_macro_code.append(
f' {property_struct_name}={to_camel_case(property_default)},')
new_make_block_states_macro_code.append(' },')
new_make_block_states_macro_code.append(' }')
new_make_block_states_macro_code.append('}')
new_code = []
in_macro = False
for line in existing_code:
if line == 'make_block_states! {':
in_macro = True
elif line == '}':
if in_macro:
in_macro = False
new_code.extend(new_make_block_states_macro_code)
continue
if in_macro:
continue
new_code.append(line)
with open(BLOCKS_RS_DIR, 'w') as f:
f.write('\n'.join(new_code))
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