44 lines
2.1 KiB
Python
44 lines
2.1 KiB
Python
from ChocolateBirdData.reference_implementation import get_base_structarraytypes, parse_struct_definitions_from_tsv_filename, get_structarraytype, LeftoverBits, ReadBuffer, WriteBuffer
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from includes.helpers import load_tsv, deep_update
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class ROMHandler:
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offset_key: str
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struct_definitions: dict
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def extract(self, table: str, in_buffer) -> list[dict]:
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# Deserialize a table
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leftover_bits = LeftoverBits()
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entry = self.addresses[table] # Remember to try/catch
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offset = entry[self.offset_key]
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buf = ReadBuffer(in_buffer, offset)
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return get_structarraytype(entry['format'], self.struct_definitions).get_value(buf, leftover_bits)
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def build(self, table: str, new_data: list[dict], out_buffer):
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# Serialize complete data. This WILL fail if the input data is incomplete.
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leftover_bits = LeftoverBits()
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entry = self.addresses[table] # Remember to try/catch
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offset = entry[self.offset_key]
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buf = WriteBuffer(out_buffer, offset)
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get_structarraytype(entry['format'], self.struct_definitions).put_value(buf, new_data, leftover_bits)
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def build_partial(self, table: str, new_data: list[dict], in_buffer, out_buffer):
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# Safely merge partial data over the existing data, then serialize it.
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existing_data = self.extract(table, in_buffer)
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deep_update(existing_data, new_data)
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self.build(table, existing_data, out_buffer)
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def load_ff5_snes_struct_definitions() -> dict:
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existing_structs = get_base_structarraytypes()
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parse_struct_definitions_from_tsv_filename('ChocolateBirdData/structs_SNES_stubs.tsv', existing_structs)
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parse_struct_definitions_from_tsv_filename('ChocolateBirdData/5/structs/SNES_stubs.tsv', existing_structs)
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parse_struct_definitions_from_tsv_filename('ChocolateBirdData/5/structs/SNES.tsv', existing_structs)
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parse_struct_definitions_from_tsv_filename('ChocolateBirdData/5/structs/SNES_save.tsv', existing_structs)
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return existing_structs
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class FF5SNESHandler(ROMHandler):
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offset_key: str = 'SNES'
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struct_definitions: dict = load_ff5_snes_struct_definitions()
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addresses: dict = {entry['Label']: entry for entry in load_tsv('ChocolateBirdData/5/addresses_SNES_PSX.tsv')}
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