320 lines
13 KiB
Python
320 lines
13 KiB
Python
import hashlib
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import json
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import os
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import zipfile
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from typing import Optional, Any
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import Utils
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from .Locations import AdventureLocation, LocationData
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from settings import get_settings
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from worlds.Files import APDeltaPatch, AutoPatchRegister, APContainer
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import bsdiff4
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ADVENTUREHASH: str = "157bddb7192754a45372be196797f284"
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class AdventureAutoCollectLocation:
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short_location_id: int = 0
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room_id: int = 0
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def __init__(self, short_location_id: int, room_id: int):
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self.short_location_id = short_location_id
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self.room_id = room_id
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def get_dict(self):
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return {
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"short_location_id": self.short_location_id,
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"room_id": self.room_id,
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}
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class AdventureForeignItemInfo:
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short_location_id: int = 0
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room_id: int = 0
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room_x: int = 0
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room_y: int = 0
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def __init__(self, short_location_id: int, room_id: int, room_x: int, room_y: int):
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self.short_location_id = short_location_id
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self.room_id = room_id
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self.room_x = room_x
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self.room_y = room_y
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def get_dict(self):
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return {
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"short_location_id": self.short_location_id,
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"room_id": self.room_id,
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"room_x": self.room_x,
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"room_y": self.room_y,
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}
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class BatNoTouchLocation:
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short_location_id: int
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room_id: int
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room_x: int
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room_y: int
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local_item: int
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def __init__(self, short_location_id: int, room_id: int, room_x: int, room_y: int, local_item: int = None):
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self.short_location_id = short_location_id
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self.room_id = room_id
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self.room_x = room_x
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self.room_y = room_y
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self.local_item = local_item
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def get_dict(self):
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ret_dict = {
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"short_location_id": self.short_location_id,
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"room_id": self.room_id,
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"room_x": self.room_x,
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"room_y": self.room_y,
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}
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if self.local_item is not None:
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ret_dict["local_item"] = self.local_item
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else:
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ret_dict["local_item"] = 255
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return ret_dict
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class AdventureDeltaPatch(APContainer, metaclass=AutoPatchRegister):
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hash = ADVENTUREHASH
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game = "Adventure"
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patch_file_ending = ".apadvn"
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zip_version: int = 2
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# locations: [], autocollect: [], seed_name: bytes,
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def __init__(self, *args: Any, **kwargs: Any) -> None:
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patch_only = True
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if "autocollect" in kwargs:
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patch_only = False
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self.foreign_items: [AdventureForeignItemInfo] = [AdventureForeignItemInfo(loc.short_location_id, loc.room_id, loc.room_x, loc.room_y)
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for loc in kwargs["locations"]]
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self.autocollect_items: [AdventureAutoCollectLocation] = kwargs["autocollect"]
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self.seedName: bytes = kwargs["seed_name"]
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self.local_item_locations: {} = kwargs["local_item_locations"]
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self.dragon_speed_reducer_info: {} = kwargs["dragon_speed_reducer_info"]
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self.diff_a_mode: int = kwargs["diff_a_mode"]
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self.diff_b_mode: int = kwargs["diff_b_mode"]
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self.bat_logic: int = kwargs["bat_logic"]
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self.bat_no_touch_locations: [LocationData] = kwargs["bat_no_touch_locations"]
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self.rom_deltas: {int, int} = kwargs["rom_deltas"]
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del kwargs["locations"]
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del kwargs["autocollect"]
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del kwargs["seed_name"]
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del kwargs["local_item_locations"]
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del kwargs["dragon_speed_reducer_info"]
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del kwargs["diff_a_mode"]
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del kwargs["diff_b_mode"]
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del kwargs["bat_logic"]
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del kwargs["bat_no_touch_locations"]
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del kwargs["rom_deltas"]
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super(AdventureDeltaPatch, self).__init__(*args, **kwargs)
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def write_contents(self, opened_zipfile: zipfile.ZipFile):
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super(AdventureDeltaPatch, self).write_contents(opened_zipfile)
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# write Delta
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opened_zipfile.writestr("zip_version",
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self.zip_version.to_bytes(1, "little"),
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compress_type=zipfile.ZIP_STORED)
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if self.foreign_items is not None:
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loc_bytes = []
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for foreign_item in self.foreign_items:
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loc_bytes.append(foreign_item.short_location_id)
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loc_bytes.append(foreign_item.room_id)
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loc_bytes.append(foreign_item.room_x)
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loc_bytes.append(foreign_item.room_y)
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opened_zipfile.writestr("adventure_locations",
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bytes(loc_bytes),
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compress_type=zipfile.ZIP_LZMA)
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if self.autocollect_items is not None:
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loc_bytes = []
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for item in self.autocollect_items:
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loc_bytes.append(item.short_location_id)
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loc_bytes.append(item.room_id)
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opened_zipfile.writestr("adventure_autocollect",
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bytes(loc_bytes),
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compress_type=zipfile.ZIP_LZMA)
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if self.player_name is not None:
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opened_zipfile.writestr("player",
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self.player_name, # UTF-8
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compress_type=zipfile.ZIP_STORED)
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if self.seedName is not None:
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opened_zipfile.writestr("seedName",
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self.seedName,
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compress_type=zipfile.ZIP_STORED)
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if self.local_item_locations is not None:
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opened_zipfile.writestr("local_item_locations",
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json.dumps(self.local_item_locations),
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compress_type=zipfile.ZIP_LZMA)
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if self.dragon_speed_reducer_info is not None:
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opened_zipfile.writestr("dragon_speed_reducer_info",
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json.dumps(self.dragon_speed_reducer_info),
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compress_type=zipfile.ZIP_LZMA)
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if self.diff_a_mode is not None:
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opened_zipfile.writestr("diff_a_mode",
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self.diff_a_mode.to_bytes(1, "little"),
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compress_type=zipfile.ZIP_STORED)
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if self.diff_b_mode is not None:
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opened_zipfile.writestr("diff_b_mode",
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self.diff_b_mode.to_bytes(1, "little"),
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compress_type=zipfile.ZIP_STORED)
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if self.bat_logic is not None:
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opened_zipfile.writestr("bat_logic",
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self.bat_logic.to_bytes(1, "little"),
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compress_type=zipfile.ZIP_STORED)
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if self.bat_no_touch_locations is not None:
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loc_bytes = []
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for loc in self.bat_no_touch_locations:
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loc_bytes.append(loc.short_location_id) # used for AP items managed by script
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loc_bytes.append(loc.room_id) # used for local items placed in rom
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loc_bytes.append(loc.room_x)
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loc_bytes.append(loc.room_y)
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loc_bytes.append(0xff if loc.local_item is None else loc.local_item)
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opened_zipfile.writestr("bat_no_touch_locations",
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bytes(loc_bytes),
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compress_type=zipfile.ZIP_LZMA)
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if self.rom_deltas is not None:
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# this is not an efficient way to do this AT ALL, but Adventure's data is so tiny it shouldn't matter
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# if you're looking at doing something like this for another game, consider encoding your rom changes
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# in a more efficient way
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opened_zipfile.writestr("rom_deltas",
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json.dumps(self.rom_deltas),
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compress_type=zipfile.ZIP_LZMA)
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def read_contents(self, opened_zipfile: zipfile.ZipFile):
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super(AdventureDeltaPatch, self).read_contents(opened_zipfile)
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self.foreign_items = AdventureDeltaPatch.read_foreign_items(opened_zipfile)
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self.autocollect_items = AdventureDeltaPatch.read_autocollect_items(opened_zipfile)
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@classmethod
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def get_source_data(cls) -> bytes:
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return get_base_rom_bytes()
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@classmethod
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def check_version(cls, opened_zipfile: zipfile.ZipFile) -> bool:
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version_bytes = opened_zipfile.read("zip_version")
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version = 0
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if version_bytes is not None:
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version = int.from_bytes(version_bytes, "little")
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if version != cls.zip_version:
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return False
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return True
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@classmethod
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def read_rom_info(cls, opened_zipfile: zipfile.ZipFile) -> (bytes, bytes, str):
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seedbytes: bytes = opened_zipfile.read("seedName")
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namebytes: bytes = opened_zipfile.read("player")
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namestr: str = namebytes.decode("utf-8")
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return seedbytes, namestr
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@classmethod
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def read_difficulty_switch_info(cls, opened_zipfile: zipfile.ZipFile) -> (int, int):
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diff_a_bytes = opened_zipfile.read("diff_a_mode")
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diff_b_bytes = opened_zipfile.read("diff_b_mode")
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diff_a = 0
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diff_b = 0
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if diff_a_bytes is not None:
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diff_a = int.from_bytes(diff_a_bytes, "little")
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if diff_b_bytes is not None:
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diff_b = int.from_bytes(diff_b_bytes, "little")
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return diff_a, diff_b
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@classmethod
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def read_bat_logic(cls, opened_zipfile: zipfile.ZipFile) -> int:
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bat_logic = opened_zipfile.read("bat_logic")
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if bat_logic is None:
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return 0
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return int.from_bytes(bat_logic, "little")
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@classmethod
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def read_foreign_items(cls, opened_zipfile: zipfile.ZipFile) -> [AdventureForeignItemInfo]:
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foreign_items = []
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readbytes: bytes = opened_zipfile.read("adventure_locations")
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bytelist = list(readbytes)
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for i in range(round(len(bytelist) / 4)):
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offset = i * 4
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foreign_items.append(AdventureForeignItemInfo(bytelist[offset],
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bytelist[offset + 1],
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bytelist[offset + 2],
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bytelist[offset + 3]))
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return foreign_items
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@classmethod
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def read_bat_no_touch(cls, opened_zipfile: zipfile.ZipFile) -> [BatNoTouchLocation]:
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locations = []
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readbytes: bytes = opened_zipfile.read("bat_no_touch_locations")
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bytelist = list(readbytes)
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for i in range(round(len(bytelist) / 5)):
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offset = i * 5
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locations.append(BatNoTouchLocation(bytelist[offset],
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bytelist[offset + 1],
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bytelist[offset + 2],
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bytelist[offset + 3],
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bytelist[offset + 4]))
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return locations
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@classmethod
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def read_autocollect_items(cls, opened_zipfile: zipfile.ZipFile) -> [AdventureForeignItemInfo]:
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autocollect_items = []
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readbytes: bytes = opened_zipfile.read("adventure_autocollect")
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bytelist = list(readbytes)
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for i in range(round(len(bytelist) / 2)):
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offset = i * 2
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autocollect_items.append(AdventureAutoCollectLocation(bytelist[offset], bytelist[offset + 1]))
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return autocollect_items
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@classmethod
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def read_local_item_locations(cls, opened_zipfile: zipfile.ZipFile) -> [AdventureForeignItemInfo]:
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readbytes: bytes = opened_zipfile.read("local_item_locations")
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readstr: str = readbytes.decode()
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return json.loads(readstr)
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@classmethod
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def read_dragon_speed_info(cls, opened_zipfile: zipfile.ZipFile) -> {}:
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readbytes: bytes = opened_zipfile.read("dragon_speed_reducer_info")
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readstr: str = readbytes.decode()
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return json.loads(readstr)
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@classmethod
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def read_rom_deltas(cls, opened_zipfile: zipfile.ZipFile) -> {int, int}:
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readbytes: bytes = opened_zipfile.read("rom_deltas")
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readstr: str = readbytes.decode()
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return json.loads(readstr)
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@classmethod
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def apply_rom_deltas(cls, base_bytes: bytes, rom_deltas: {int, int}) -> bytearray:
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rom_bytes = bytearray(base_bytes)
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for offset, value in rom_deltas.items():
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int_offset = int(offset)
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rom_bytes[int_offset:int_offset+1] = int.to_bytes(value, 1, "little")
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return rom_bytes
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def apply_basepatch(base_rom_bytes: bytes) -> bytes:
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with open(os.path.join(os.path.dirname(__file__), "../../data/adventure_basepatch.bsdiff4"), "rb") as basepatch:
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delta: bytes = basepatch.read()
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return bsdiff4.patch(base_rom_bytes, delta)
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def get_base_rom_bytes(file_name: str = "") -> bytes:
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file_name = get_base_rom_path(file_name)
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with open(file_name, "rb") as file:
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base_rom_bytes = bytes(file.read())
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basemd5 = hashlib.md5()
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basemd5.update(base_rom_bytes)
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if ADVENTUREHASH != basemd5.hexdigest():
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raise Exception(f"Supplied Base Rom does not match known MD5 for Adventure. "
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"Get the correct game and version, then dump it")
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return base_rom_bytes
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def get_base_rom_path(file_name: str = "") -> str:
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if not file_name:
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file_name = get_settings()["adventure_options"]["rom_file"]
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if not os.path.exists(file_name):
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file_name = Utils.user_path(file_name)
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return file_name
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