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Pokemon Emerald: Fix unguarded wonder trade write (#3939)

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Bryce Wilson 2024-09-17 05:43:22 -07:00 committed by GitHub
parent 1c0cec0de2
commit f8d3c26e3c
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GPG Key ID: B5690EEEBB952194
1 changed files with 18 additions and 9 deletions
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27
worlds/pokemon_emerald/client.py
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@ -133,6 +133,7 @@ class PokemonEmeraldClient(BizHawkClient):
latest_wonder_trade_reply: dict
wonder_trade_cooldown: int
wonder_trade_cooldown_timer: int
queued_received_trade: Optional[str]
death_counter: Optional[int]
previous_death_link: float
@ -153,6 +154,7 @@ class PokemonEmeraldClient(BizHawkClient):
self.previous_death_link = 0
self.ignore_next_death_link = False
self.current_map = None
self.queued_received_trade = None
async def validate_rom(self, ctx: "BizHawkClientContext") -> bool:
from CommonClient import logger
@ -548,22 +550,29 @@ class PokemonEmeraldClient(BizHawkClient):
(sb1_address + 0x37CC, [1], "System Bus"),
])
elif trade_is_sent != 0 and wonder_trade_pokemon_data[19] != 2:
# Game is waiting on receiving a trade. See if there are any available trades that were not
# sent by this player, and if so, try to receive one.
if self.wonder_trade_cooldown_timer <= 0 and f"pokemon_wonder_trades_{ctx.team}" in ctx.stored_data:
# Game is waiting on receiving a trade.
if self.queued_received_trade is not None:
# Client is holding a trade, ready to write it into the game
success = await bizhawk.guarded_write(ctx.bizhawk_ctx, [
(sb1_address + 0x377C, json_to_pokemon_data(self.queued_received_trade), "System Bus"),
], [guards["SAVE BLOCK 1"]])
# Notify the player if it was written, otherwise hold it for the next loop
if success:
logger.info("Wonder trade received!")
self.queued_received_trade = None
elif self.wonder_trade_cooldown_timer <= 0 and f"pokemon_wonder_trades_{ctx.team}" in ctx.stored_data:
# See if there are any available trades that were not sent by this player. If so, try to receive one.
if any(item[0] != ctx.slot
for key, item in ctx.stored_data.get(f"pokemon_wonder_trades_{ctx.team}", {}).items()
if key != "_lock" and orjson.loads(item[1])["species"] <= 386):
received_trade = await self.wonder_trade_receive(ctx)
if received_trade is None:
self.queued_received_trade = await self.wonder_trade_receive(ctx)
if self.queued_received_trade is None:
self.wonder_trade_cooldown_timer = self.wonder_trade_cooldown
self.wonder_trade_cooldown *= 2
self.wonder_trade_cooldown += random.randrange(0, 500)
else:
await bizhawk.write(ctx.bizhawk_ctx, [
(sb1_address + 0x377C, json_to_pokemon_data(received_trade), "System Bus"),
])
logger.info("Wonder trade received!")
self.wonder_trade_cooldown = 5000
else: