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SNIClient.py
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SNIClient.py
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from __future__ import annotations
import sys
import threading
import time
import multiprocessing
import os
import subprocess
import base64
import shutil
import logging
import asyncio
from json import loads, dumps
import ModuleUpdate
ModuleUpdate.update()
from Utils import init_logging
if __name__ == "__main__":
init_logging("SNIClient", exception_logger="Client")
import colorama
from NetUtils import *
from worlds.alttp import Regions, Shops
from worlds.alttp.Rom import ROM_PLAYER_LIMIT
from worlds.sm.Rom import ROM_PLAYER_LIMIT as SM_ROM_PLAYER_LIMIT
from worlds.smz3.Rom import ROM_PLAYER_LIMIT as SMZ3_ROM_PLAYER_LIMIT
import Utils
from CommonClient import CommonContext, server_loop, ClientCommandProcessor, gui_enabled, get_base_parser
from Patch import GAME_ALTTP, GAME_SM, GAME_SMZ3
snes_logger = logging.getLogger("SNES")
from MultiServer import mark_raw
class DeathState(enum.IntEnum):
killing_player = 1
alive = 2
dead = 3
class SNIClientCommandProcessor(ClientCommandProcessor):
ctx: Context
def _cmd_slow_mode(self, toggle: str = ""):
"""Toggle slow mode, which limits how fast you send / receive items."""
if toggle:
self.ctx.slow_mode = toggle.lower() in {"1", "true", "on"}
else:
self.ctx.slow_mode = not self.ctx.slow_mode
self.output(f"Setting slow mode to {self.ctx.slow_mode}")
@mark_raw
def _cmd_snes(self, snes_options: str = "") -> bool:
"""Connect to a snes. Optionally include network address of a snes to connect to,
otherwise show available devices; and a SNES device number if more than one SNES is detected.
Examples: "/snes", "/snes 1", "/snes localhost:8080 1" """
snes_address = self.ctx.snes_address
snes_device_number = -1
options = snes_options.split()
num_options = len(options)
if num_options > 0:
snes_device_number = int(options[0])
if num_options > 1:
snes_address = options[0]
snes_device_number = int(options[1])
self.ctx.snes_reconnect_address = None
asyncio.create_task(snes_connect(self.ctx, snes_address, snes_device_number), name="SNES Connect")
return True
def _cmd_snes_close(self) -> bool:
"""Close connection to a currently connected snes"""
self.ctx.snes_reconnect_address = None
if self.ctx.snes_socket is not None and not self.ctx.snes_socket.closed:
asyncio.create_task(self.ctx.snes_socket.close())
return True
else:
return False
# Left here for quick re-addition for debugging.
# def _cmd_snes_write(self, address, data):
# """Write the specified byte (base10) to the SNES' memory address (base16)."""
# if self.ctx.snes_state != SNESState.SNES_ATTACHED:
# self.output("No attached SNES Device.")
# return False
# snes_buffered_write(self.ctx, int(address, 16), bytes([int(data)]))
# asyncio.create_task(snes_flush_writes(self.ctx))
# self.output("Data Sent")
# return True
# def _cmd_snes_read(self, address, size=1):
# """Read the SNES' memory address (base16)."""
# if self.ctx.snes_state != SNESState.SNES_ATTACHED:
# self.output("No attached SNES Device.")
# return False
# data = await snes_read(self.ctx, int(address, 16), size)
# self.output(f"Data Read: {data}")
# return True
class Context(CommonContext):
command_processor = SNIClientCommandProcessor
game = "A Link to the Past"
items_handling = None # set in game_watcher
def __init__(self, snes_address, server_address, password):
super(Context, self).__init__(server_address, password)
# snes stuff
self.snes_address = snes_address
self.snes_socket = None
self.snes_state = SNESState.SNES_DISCONNECTED
self.snes_attached_device = None
self.snes_reconnect_address = None
self.snes_recv_queue = asyncio.Queue()
self.snes_request_lock = asyncio.Lock()
self.snes_write_buffer = []
self.snes_connector_lock = threading.Lock()
self.death_state = DeathState.alive # for death link flop behaviour
self.killing_player_task = None
self.allow_collect = False
self.awaiting_rom = False
self.rom = None
self.prev_rom = None
async def connection_closed(self):
await super(Context, self).connection_closed()
self.awaiting_rom = False
def event_invalid_slot(self):
if self.snes_socket is not None and not self.snes_socket.closed:
asyncio.create_task(self.snes_socket.close())
raise Exception('Invalid ROM detected, '
'please verify that you have loaded the correct rom and reconnect your snes (/snes)')
async def server_auth(self, password_requested: bool = False):
if password_requested and not self.password:
await super(Context, self).server_auth(password_requested)
if self.rom is None:
self.awaiting_rom = True
snes_logger.info(
'No ROM detected, awaiting snes connection to authenticate to the multiworld server (/snes)')
return
self.awaiting_rom = False
self.auth = self.rom
auth = base64.b64encode(self.rom).decode()
await self.send_connect(name=auth)
def on_deathlink(self, data: dict):
if not self.killing_player_task or self.killing_player_task.done():
self.killing_player_task = asyncio.create_task(deathlink_kill_player(self))
super(Context, self).on_deathlink(data)
async def handle_deathlink_state(self, currently_dead: bool):
# in this state we only care about triggering a death send
if self.death_state == DeathState.alive:
if currently_dead:
self.death_state = DeathState.dead
await self.send_death()
# in this state we care about confirming a kill, to move state to dead
elif self.death_state == DeathState.killing_player:
# this is being handled in deathlink_kill_player(ctx) already
pass
# in this state we wait until the player is alive again
elif self.death_state == DeathState.dead:
if not currently_dead:
self.death_state = DeathState.alive
def on_package(self, cmd: str, args: dict):
if cmd in {"Connected", "RoomUpdate"}:
if "checked_locations" in args and args["checked_locations"]:
new_locations = set(args["checked_locations"])
self.checked_locations |= new_locations
self.locations_scouted |= new_locations
# Items belonging to the player should not be marked as checked in game, since the player will likely need that item.
# Once the games handled by SNIClient gets made to be remote items, this will no longer be needed.
asyncio.create_task(self.send_msgs([{"cmd": "LocationScouts", "locations": list(new_locations)}]))
def run_gui(self):
from kvui import GameManager
class SNIManager(GameManager):
logging_pairs = [
("Client", "Archipelago"),
("SNES", "SNES"),
]
base_title = "Archipelago SNI Client"
self.ui = SNIManager(self)
self.ui_task = asyncio.create_task(self.ui.async_run(), name="UI")
async def deathlink_kill_player(ctx: Context):
ctx.death_state = DeathState.killing_player
while ctx.death_state == DeathState.killing_player and \
ctx.snes_state == SNESState.SNES_ATTACHED:
if ctx.game == GAME_ALTTP:
invincible = await snes_read(ctx, WRAM_START + 0x037B, 1)
last_health = await snes_read(ctx, WRAM_START + 0xF36D, 1)
await asyncio.sleep(0.25)
health = await snes_read(ctx, WRAM_START + 0xF36D, 1)
if not invincible or not last_health or not health:
ctx.death_state = DeathState.dead
ctx.last_death_link = time.time()
continue
if not invincible[0] and last_health[0] == health[0]:
snes_buffered_write(ctx, WRAM_START + 0xF36D, bytes([0])) # set current health to 0
snes_buffered_write(ctx, WRAM_START + 0x0373,
bytes([8])) # deal 1 full heart of damage at next opportunity
elif ctx.game == GAME_SM:
snes_buffered_write(ctx, WRAM_START + 0x09C2, bytes([1, 0])) # set current health to 1 (to prevent saving with 0 energy)
snes_buffered_write(ctx, WRAM_START + 0x0A50, bytes([255])) # deal 255 of damage at next opportunity
if not ctx.death_link_allow_survive:
snes_buffered_write(ctx, WRAM_START + 0x09D6, bytes([0, 0])) # set current reserve to 0
await snes_flush_writes(ctx)
await asyncio.sleep(1)
if ctx.game == GAME_ALTTP:
gamemode = await snes_read(ctx, WRAM_START + 0x10, 1)
if not gamemode or gamemode[0] in DEATH_MODES:
ctx.death_state = DeathState.dead
elif ctx.game == GAME_SM:
gamemode = await snes_read(ctx, WRAM_START + 0x0998, 1)
health = await snes_read(ctx, WRAM_START + 0x09C2, 2)
if health is not None:
health = health[0] | (health[1] << 8)
if not gamemode or gamemode[0] in SM_DEATH_MODES or (
ctx.death_link_allow_survive and health is not None and health > 0):
ctx.death_state = DeathState.dead
ctx.last_death_link = time.time()
SNES_RECONNECT_DELAY = 5
# LttP
ROM_START = 0x000000
WRAM_START = 0xF50000
WRAM_SIZE = 0x20000
SRAM_START = 0xE00000
ROMNAME_START = SRAM_START + 0x2000
ROMNAME_SIZE = 0x15
INGAME_MODES = {0x07, 0x09, 0x0b}
ENDGAME_MODES = {0x19, 0x1a}
DEATH_MODES = {0x12}
SAVEDATA_START = WRAM_START + 0xF000
SAVEDATA_SIZE = 0x500
RECV_PROGRESS_ADDR = SAVEDATA_START + 0x4D0 # 2 bytes
RECV_ITEM_ADDR = SAVEDATA_START + 0x4D2 # 1 byte
RECV_ITEM_PLAYER_ADDR = SAVEDATA_START + 0x4D3 # 1 byte
ROOMID_ADDR = SAVEDATA_START + 0x4D4 # 2 bytes
ROOMDATA_ADDR = SAVEDATA_START + 0x4D6 # 1 byte
SCOUT_LOCATION_ADDR = SAVEDATA_START + 0x4D7 # 1 byte
SCOUTREPLY_LOCATION_ADDR = SAVEDATA_START + 0x4D8 # 1 byte
SCOUTREPLY_ITEM_ADDR = SAVEDATA_START + 0x4D9 # 1 byte
SCOUTREPLY_PLAYER_ADDR = SAVEDATA_START + 0x4DA # 1 byte
SHOP_ADDR = SAVEDATA_START + 0x302 # 2 bytes
SHOP_LEN = (len(Shops.shop_table) * 3) + 5
DEATH_LINK_ACTIVE_ADDR = ROMNAME_START + 0x15 # 1 byte
# SM
SM_ROMNAME_START = 0x007FC0
SM_INGAME_MODES = {0x07, 0x09, 0x0b}
SM_ENDGAME_MODES = {0x26, 0x27}
SM_DEATH_MODES = {0x15, 0x17, 0x18, 0x19, 0x1A}
SM_RECV_PROGRESS_ADDR = SRAM_START + 0x2000 # 2 bytes
SM_RECV_ITEM_ADDR = SAVEDATA_START + 0x4D2 # 1 byte
SM_RECV_ITEM_PLAYER_ADDR = SAVEDATA_START + 0x4D3 # 1 byte
SM_DEATH_LINK_ACTIVE_ADDR = ROM_START + 0x277f04 # 1 byte
SM_REMOTE_ITEM_FLAG_ADDR = ROM_START + 0x277f06 # 1 byte
# SMZ3
SMZ3_ROMNAME_START = 0x00FFC0
SMZ3_INGAME_MODES = {0x07, 0x09, 0x0b}
SMZ3_ENDGAME_MODES = {0x26, 0x27}
SMZ3_DEATH_MODES = {0x15, 0x17, 0x18, 0x19, 0x1A}
SMZ3_RECV_PROGRESS_ADDR = SRAM_START + 0x4000 # 2 bytes
SMZ3_RECV_ITEM_ADDR = SAVEDATA_START + 0x4D2 # 1 byte
SMZ3_RECV_ITEM_PLAYER_ADDR = SAVEDATA_START + 0x4D3 # 1 byte
location_shop_ids = set([info[0] for name, info in Shops.shop_table.items()])
location_table_uw = {"Blind's Hideout - Top": (0x11d, 0x10),
"Blind's Hideout - Left": (0x11d, 0x20),
"Blind's Hideout - Right": (0x11d, 0x40),
"Blind's Hideout - Far Left": (0x11d, 0x80),
"Blind's Hideout - Far Right": (0x11d, 0x100),
'Secret Passage': (0x55, 0x10),
'Waterfall Fairy - Left': (0x114, 0x10),
'Waterfall Fairy - Right': (0x114, 0x20),
"King's Tomb": (0x113, 0x10),
'Floodgate Chest': (0x10b, 0x10),
"Link's House": (0x104, 0x10),
'Kakariko Tavern': (0x103, 0x10),
'Chicken House': (0x108, 0x10),
"Aginah's Cave": (0x10a, 0x10),
"Sahasrahla's Hut - Left": (0x105, 0x10),
"Sahasrahla's Hut - Middle": (0x105, 0x20),
"Sahasrahla's Hut - Right": (0x105, 0x40),
'Kakariko Well - Top': (0x2f, 0x10),
'Kakariko Well - Left': (0x2f, 0x20),
'Kakariko Well - Middle': (0x2f, 0x40),
'Kakariko Well - Right': (0x2f, 0x80),
'Kakariko Well - Bottom': (0x2f, 0x100),
'Lost Woods Hideout': (0xe1, 0x200),
'Lumberjack Tree': (0xe2, 0x200),
'Cave 45': (0x11b, 0x400),
'Graveyard Cave': (0x11b, 0x200),
'Checkerboard Cave': (0x126, 0x200),
'Mini Moldorm Cave - Far Left': (0x123, 0x10),
'Mini Moldorm Cave - Left': (0x123, 0x20),
'Mini Moldorm Cave - Right': (0x123, 0x40),
'Mini Moldorm Cave - Far Right': (0x123, 0x80),
'Mini Moldorm Cave - Generous Guy': (0x123, 0x400),
'Ice Rod Cave': (0x120, 0x10),
'Bonk Rock Cave': (0x124, 0x10),
'Desert Palace - Big Chest': (0x73, 0x10),
'Desert Palace - Torch': (0x73, 0x400),
'Desert Palace - Map Chest': (0x74, 0x10),
'Desert Palace - Compass Chest': (0x85, 0x10),
'Desert Palace - Big Key Chest': (0x75, 0x10),
'Desert Palace - Desert Tiles 1 Pot Key': (0x63, 0x400),
'Desert Palace - Beamos Hall Pot Key': (0x53, 0x400),
'Desert Palace - Desert Tiles 2 Pot Key': (0x43, 0x400),
'Desert Palace - Boss': (0x33, 0x800),
'Eastern Palace - Compass Chest': (0xa8, 0x10),
'Eastern Palace - Big Chest': (0xa9, 0x10),
'Eastern Palace - Dark Square Pot Key': (0xba, 0x400),
'Eastern Palace - Dark Eyegore Key Drop': (0x99, 0x400),
'Eastern Palace - Cannonball Chest': (0xb9, 0x10),
'Eastern Palace - Big Key Chest': (0xb8, 0x10),
'Eastern Palace - Map Chest': (0xaa, 0x10),
'Eastern Palace - Boss': (0xc8, 0x800),
'Hyrule Castle - Boomerang Chest': (0x71, 0x10),
'Hyrule Castle - Boomerang Guard Key Drop': (0x71, 0x400),
'Hyrule Castle - Map Chest': (0x72, 0x10),
'Hyrule Castle - Map Guard Key Drop': (0x72, 0x400),
"Hyrule Castle - Zelda's Chest": (0x80, 0x10),
'Hyrule Castle - Big Key Drop': (0x80, 0x400),
'Sewers - Dark Cross': (0x32, 0x10),
'Hyrule Castle - Key Rat Key Drop': (0x21, 0x400),
'Sewers - Secret Room - Left': (0x11, 0x10),
'Sewers - Secret Room - Middle': (0x11, 0x20),
'Sewers - Secret Room - Right': (0x11, 0x40),
'Sanctuary': (0x12, 0x10),
'Castle Tower - Room 03': (0xe0, 0x10),
'Castle Tower - Dark Maze': (0xd0, 0x10),
'Castle Tower - Dark Archer Key Drop': (0xc0, 0x400),
'Castle Tower - Circle of Pots Key Drop': (0xb0, 0x400),
'Spectacle Rock Cave': (0xea, 0x400),
'Paradox Cave Lower - Far Left': (0xef, 0x10),
'Paradox Cave Lower - Left': (0xef, 0x20),
'Paradox Cave Lower - Right': (0xef, 0x40),
'Paradox Cave Lower - Far Right': (0xef, 0x80),
'Paradox Cave Lower - Middle': (0xef, 0x100),
'Paradox Cave Upper - Left': (0xff, 0x10),
'Paradox Cave Upper - Right': (0xff, 0x20),
'Spiral Cave': (0xfe, 0x10),
'Tower of Hera - Basement Cage': (0x87, 0x400),
'Tower of Hera - Map Chest': (0x77, 0x10),
'Tower of Hera - Big Key Chest': (0x87, 0x10),
'Tower of Hera - Compass Chest': (0x27, 0x20),
'Tower of Hera - Big Chest': (0x27, 0x10),
'Tower of Hera - Boss': (0x7, 0x800),
'Hype Cave - Top': (0x11e, 0x10),
'Hype Cave - Middle Right': (0x11e, 0x20),
'Hype Cave - Middle Left': (0x11e, 0x40),
'Hype Cave - Bottom': (0x11e, 0x80),
'Hype Cave - Generous Guy': (0x11e, 0x400),
'Peg Cave': (0x127, 0x400),
'Pyramid Fairy - Left': (0x116, 0x10),
'Pyramid Fairy - Right': (0x116, 0x20),
'Brewery': (0x106, 0x10),
'C-Shaped House': (0x11c, 0x10),
'Chest Game': (0x106, 0x400),
'Mire Shed - Left': (0x10d, 0x10),
'Mire Shed - Right': (0x10d, 0x20),
'Superbunny Cave - Top': (0xf8, 0x10),
'Superbunny Cave - Bottom': (0xf8, 0x20),
'Spike Cave': (0x117, 0x10),
'Hookshot Cave - Top Right': (0x3c, 0x10),
'Hookshot Cave - Top Left': (0x3c, 0x20),
'Hookshot Cave - Bottom Right': (0x3c, 0x80),
'Hookshot Cave - Bottom Left': (0x3c, 0x40),
'Mimic Cave': (0x10c, 0x10),
'Swamp Palace - Entrance': (0x28, 0x10),
'Swamp Palace - Map Chest': (0x37, 0x10),
'Swamp Palace - Pot Row Pot Key': (0x38, 0x400),
'Swamp Palace - Trench 1 Pot Key': (0x37, 0x400),
'Swamp Palace - Hookshot Pot Key': (0x36, 0x400),
'Swamp Palace - Big Chest': (0x36, 0x10),
'Swamp Palace - Compass Chest': (0x46, 0x10),
'Swamp Palace - Trench 2 Pot Key': (0x35, 0x400),
'Swamp Palace - Big Key Chest': (0x35, 0x10),
'Swamp Palace - West Chest': (0x34, 0x10),
'Swamp Palace - Flooded Room - Left': (0x76, 0x10),
'Swamp Palace - Flooded Room - Right': (0x76, 0x20),
'Swamp Palace - Waterfall Room': (0x66, 0x10),
'Swamp Palace - Waterway Pot Key': (0x16, 0x400),
'Swamp Palace - Boss': (0x6, 0x800),
"Thieves' Town - Big Key Chest": (0xdb, 0x20),
"Thieves' Town - Map Chest": (0xdb, 0x10),
"Thieves' Town - Compass Chest": (0xdc, 0x10),
"Thieves' Town - Ambush Chest": (0xcb, 0x10),
"Thieves' Town - Hallway Pot Key": (0xbc, 0x400),
"Thieves' Town - Spike Switch Pot Key": (0xab, 0x400),
"Thieves' Town - Attic": (0x65, 0x10),
"Thieves' Town - Big Chest": (0x44, 0x10),
"Thieves' Town - Blind's Cell": (0x45, 0x10),
"Thieves' Town - Boss": (0xac, 0x800),
'Skull Woods - Compass Chest': (0x67, 0x10),
'Skull Woods - Map Chest': (0x58, 0x20),
'Skull Woods - Big Chest': (0x58, 0x10),
'Skull Woods - Pot Prison': (0x57, 0x20),
'Skull Woods - Pinball Room': (0x68, 0x10),
'Skull Woods - Big Key Chest': (0x57, 0x10),
'Skull Woods - West Lobby Pot Key': (0x56, 0x400),
'Skull Woods - Bridge Room': (0x59, 0x10),
'Skull Woods - Spike Corner Key Drop': (0x39, 0x400),
'Skull Woods - Boss': (0x29, 0x800),
'Ice Palace - Jelly Key Drop': (0x0e, 0x400),
'Ice Palace - Compass Chest': (0x2e, 0x10),
'Ice Palace - Conveyor Key Drop': (0x3e, 0x400),
'Ice Palace - Freezor Chest': (0x7e, 0x10),
'Ice Palace - Big Chest': (0x9e, 0x10),
'Ice Palace - Iced T Room': (0xae, 0x10),
'Ice Palace - Many Pots Pot Key': (0x9f, 0x400),
'Ice Palace - Spike Room': (0x5f, 0x10),
'Ice Palace - Big Key Chest': (0x1f, 0x10),
'Ice Palace - Hammer Block Key Drop': (0x3f, 0x400),
'Ice Palace - Map Chest': (0x3f, 0x10),
'Ice Palace - Boss': (0xde, 0x800),
'Misery Mire - Big Chest': (0xc3, 0x10),
'Misery Mire - Map Chest': (0xc3, 0x20),
'Misery Mire - Main Lobby': (0xc2, 0x10),
'Misery Mire - Bridge Chest': (0xa2, 0x10),
'Misery Mire - Spikes Pot Key': (0xb3, 0x400),
'Misery Mire - Spike Chest': (0xb3, 0x10),
'Misery Mire - Fishbone Pot Key': (0xa1, 0x400),
'Misery Mire - Conveyor Crystal Key Drop': (0xc1, 0x400),
'Misery Mire - Compass Chest': (0xc1, 0x10),
'Misery Mire - Big Key Chest': (0xd1, 0x10),
'Misery Mire - Boss': (0x90, 0x800),
'Turtle Rock - Compass Chest': (0xd6, 0x10),
'Turtle Rock - Roller Room - Left': (0xb7, 0x10),
'Turtle Rock - Roller Room - Right': (0xb7, 0x20),
'Turtle Rock - Pokey 1 Key Drop': (0xb6, 0x400),
'Turtle Rock - Chain Chomps': (0xb6, 0x10),
'Turtle Rock - Pokey 2 Key Drop': (0x13, 0x400),
'Turtle Rock - Big Key Chest': (0x14, 0x10),
'Turtle Rock - Big Chest': (0x24, 0x10),
'Turtle Rock - Crystaroller Room': (0x4, 0x10),
'Turtle Rock - Eye Bridge - Bottom Left': (0xd5, 0x80),
'Turtle Rock - Eye Bridge - Bottom Right': (0xd5, 0x40),
'Turtle Rock - Eye Bridge - Top Left': (0xd5, 0x20),
'Turtle Rock - Eye Bridge - Top Right': (0xd5, 0x10),
'Turtle Rock - Boss': (0xa4, 0x800),
'Palace of Darkness - Shooter Room': (0x9, 0x10),
'Palace of Darkness - The Arena - Bridge': (0x2a, 0x20),
'Palace of Darkness - Stalfos Basement': (0xa, 0x10),
'Palace of Darkness - Big Key Chest': (0x3a, 0x10),
'Palace of Darkness - The Arena - Ledge': (0x2a, 0x10),
'Palace of Darkness - Map Chest': (0x2b, 0x10),
'Palace of Darkness - Compass Chest': (0x1a, 0x20),
'Palace of Darkness - Dark Basement - Left': (0x6a, 0x10),
'Palace of Darkness - Dark Basement - Right': (0x6a, 0x20),
'Palace of Darkness - Dark Maze - Top': (0x19, 0x10),
'Palace of Darkness - Dark Maze - Bottom': (0x19, 0x20),
'Palace of Darkness - Big Chest': (0x1a, 0x10),
'Palace of Darkness - Harmless Hellway': (0x1a, 0x40),
'Palace of Darkness - Boss': (0x5a, 0x800),
'Ganons Tower - Conveyor Cross Pot Key': (0x8b, 0x400),
"Ganons Tower - Bob's Torch": (0x8c, 0x400),
'Ganons Tower - Hope Room - Left': (0x8c, 0x20),
'Ganons Tower - Hope Room - Right': (0x8c, 0x40),
'Ganons Tower - Tile Room': (0x8d, 0x10),
'Ganons Tower - Compass Room - Top Left': (0x9d, 0x10),
'Ganons Tower - Compass Room - Top Right': (0x9d, 0x20),
'Ganons Tower - Compass Room - Bottom Left': (0x9d, 0x40),
'Ganons Tower - Compass Room - Bottom Right': (0x9d, 0x80),
'Ganons Tower - Conveyor Star Pits Pot Key': (0x7b, 0x400),
'Ganons Tower - DMs Room - Top Left': (0x7b, 0x10),
'Ganons Tower - DMs Room - Top Right': (0x7b, 0x20),
'Ganons Tower - DMs Room - Bottom Left': (0x7b, 0x40),
'Ganons Tower - DMs Room - Bottom Right': (0x7b, 0x80),
'Ganons Tower - Map Chest': (0x8b, 0x10),
'Ganons Tower - Double Switch Pot Key': (0x9b, 0x400),
'Ganons Tower - Firesnake Room': (0x7d, 0x10),
'Ganons Tower - Randomizer Room - Top Left': (0x7c, 0x10),
'Ganons Tower - Randomizer Room - Top Right': (0x7c, 0x20),
'Ganons Tower - Randomizer Room - Bottom Left': (0x7c, 0x40),
'Ganons Tower - Randomizer Room - Bottom Right': (0x7c, 0x80),
"Ganons Tower - Bob's Chest": (0x8c, 0x80),
'Ganons Tower - Big Chest': (0x8c, 0x10),
'Ganons Tower - Big Key Room - Left': (0x1c, 0x20),
'Ganons Tower - Big Key Room - Right': (0x1c, 0x40),
'Ganons Tower - Big Key Chest': (0x1c, 0x10),
'Ganons Tower - Mini Helmasaur Room - Left': (0x3d, 0x10),
'Ganons Tower - Mini Helmasaur Room - Right': (0x3d, 0x20),
'Ganons Tower - Mini Helmasaur Key Drop': (0x3d, 0x400),
'Ganons Tower - Pre-Moldorm Chest': (0x3d, 0x40),
'Ganons Tower - Validation Chest': (0x4d, 0x10)}
boss_locations = {Regions.lookup_name_to_id[name] for name in {'Eastern Palace - Boss',
'Desert Palace - Boss',
'Tower of Hera - Boss',
'Palace of Darkness - Boss',
'Swamp Palace - Boss',
'Skull Woods - Boss',
"Thieves' Town - Boss",
'Ice Palace - Boss',
'Misery Mire - Boss',
'Turtle Rock - Boss',
'Sahasrahla'}}
location_table_uw_id = {Regions.lookup_name_to_id[name]: data for name, data in location_table_uw.items()}
location_table_npc = {'Mushroom': 0x1000,
'King Zora': 0x2,
'Sahasrahla': 0x10,
'Blacksmith': 0x400,
'Magic Bat': 0x8000,
'Sick Kid': 0x4,
'Library': 0x80,
'Potion Shop': 0x2000,
'Old Man': 0x1,
'Ether Tablet': 0x100,
'Catfish': 0x20,
'Stumpy': 0x8,
'Bombos Tablet': 0x200}
location_table_npc_id = {Regions.lookup_name_to_id[name]: data for name, data in location_table_npc.items()}
location_table_ow = {'Flute Spot': 0x2a,
'Sunken Treasure': 0x3b,
"Zora's Ledge": 0x81,
'Lake Hylia Island': 0x35,
'Maze Race': 0x28,
'Desert Ledge': 0x30,
'Master Sword Pedestal': 0x80,
'Spectacle Rock': 0x3,
'Pyramid': 0x5b,
'Digging Game': 0x68,
'Bumper Cave Ledge': 0x4a,
'Floating Island': 0x5}
location_table_ow_id = {Regions.lookup_name_to_id[name]: data for name, data in location_table_ow.items()}
location_table_misc = {'Bottle Merchant': (0x3c9, 0x2),
'Purple Chest': (0x3c9, 0x10),
"Link's Uncle": (0x3c6, 0x1),
'Hobo': (0x3c9, 0x1)}
location_table_misc_id = {Regions.lookup_name_to_id[name]: data for name, data in location_table_misc.items()}
class SNESState(enum.IntEnum):
SNES_DISCONNECTED = 0
SNES_CONNECTING = 1
SNES_CONNECTED = 2
SNES_ATTACHED = 3
def launch_sni(ctx: Context):
sni_path = Utils.get_options()["lttp_options"]["sni"]
if not os.path.isdir(sni_path):
sni_path = Utils.local_path(sni_path)
if os.path.isdir(sni_path):
dir_entry: os.DirEntry
for dir_entry in os.scandir(sni_path):
if dir_entry.is_file():
lower_file = dir_entry.name.lower()
if (lower_file.startswith("sni.") and not lower_file.endswith(".proto")) or (lower_file == "sni"):
sni_path = dir_entry.path
break
if os.path.isfile(sni_path):
snes_logger.info(f"Attempting to start {sni_path}")
import sys
if not sys.stdout: # if it spawns a visible console, may as well populate it
subprocess.Popen(os.path.abspath(sni_path), cwd=os.path.dirname(sni_path))
else:
proc = subprocess.Popen(os.path.abspath(sni_path), cwd=os.path.dirname(sni_path),
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
try:
proc.wait(.1) # wait a bit to see if startup fails (missing dependencies)
snes_logger.info('Failed to start SNI. Try running it externally for error output.')
except subprocess.TimeoutExpired:
pass # seems to be running
else:
snes_logger.info(
f"Attempt to start SNI was aborted as path {sni_path} was not found, "
f"please start it yourself if it is not running")
async def _snes_connect(ctx: Context, address: str):
address = f"ws://{address}" if "://" not in address else address
snes_logger.info("Connecting to SNI at %s ..." % address)
seen_problems = set()
succesful = False
while not succesful:
try:
snes_socket = await websockets.connect(address, ping_timeout=None, ping_interval=None)
succesful = True
except Exception as e:
problem = "%s" % e
# only tell the user about new problems, otherwise silently lay in wait for a working connection
if problem not in seen_problems:
seen_problems.add(problem)
snes_logger.error(f"Error connecting to SNI ({problem})")
if len(seen_problems) == 1:
# this is the first problem. Let's try launching SNI if it isn't already running
launch_sni(ctx)
await asyncio.sleep(1)
else:
return snes_socket
async def get_snes_devices(ctx: Context):
socket = await _snes_connect(ctx, ctx.snes_address) # establish new connection to poll
DeviceList_Request = {
"Opcode": "DeviceList",
"Space": "SNES"
}
await socket.send(dumps(DeviceList_Request))
reply = loads(await socket.recv())
devices = reply['Results'] if 'Results' in reply and len(reply['Results']) > 0 else None
if not devices:
snes_logger.info('No SNES device found. Please connect a SNES device to SNI.')
while not devices:
await asyncio.sleep(1)
await socket.send(dumps(DeviceList_Request))
reply = loads(await socket.recv())
devices = reply['Results'] if 'Results' in reply and len(reply['Results']) > 0 else None
await verify_snes_app(socket)
await socket.close()
return devices
async def verify_snes_app(socket):
AppVersion_Request = {
"Opcode": "AppVersion",
}
await socket.send(dumps(AppVersion_Request))
app: str = loads(await socket.recv())["Results"][0]
if "SNI" not in app:
snes_logger.warning(f"Warning: Did not find SNI as the endpoint, instead {app} was found.")
async def snes_connect(ctx: Context, address, deviceIndex=-1):
global SNES_RECONNECT_DELAY
if ctx.snes_socket is not None and ctx.snes_state == SNESState.SNES_CONNECTED:
if ctx.rom:
snes_logger.error('Already connected to SNES, with rom loaded.')
else:
snes_logger.error('Already connected to SNI, likely awaiting a device.')
return
device = None
recv_task = None
ctx.snes_state = SNESState.SNES_CONNECTING
socket = await _snes_connect(ctx, address)
ctx.snes_socket = socket
ctx.snes_state = SNESState.SNES_CONNECTED
try:
devices = await get_snes_devices(ctx)
device_count = len(devices)
if device_count == 1:
device = devices[0]
elif ctx.snes_reconnect_address:
if ctx.snes_attached_device[1] in devices:
device = ctx.snes_attached_device[1]
else:
device = devices[ctx.snes_attached_device[0]]
elif device_count > 1:
if deviceIndex == -1:
snes_logger.info(f"Found {device_count} SNES devices. "
f"Connect to one with /snes <address> <device number>. For example /snes {address} 1")
for idx, availableDevice in enumerate(devices):
snes_logger.info(str(idx + 1) + ": " + availableDevice)
elif (deviceIndex < 0) or (deviceIndex - 1) > device_count:
snes_logger.warning("SNES device number out of range")
else:
device = devices[deviceIndex - 1]
if device is None:
await snes_disconnect(ctx)
return
snes_logger.info("Attaching to " + device)
Attach_Request = {
"Opcode": "Attach",
"Space": "SNES",
"Operands": [device]
}
await ctx.snes_socket.send(dumps(Attach_Request))
ctx.snes_state = SNESState.SNES_ATTACHED
ctx.snes_attached_device = (devices.index(device), device)
ctx.snes_reconnect_address = address
recv_task = asyncio.create_task(snes_recv_loop(ctx))
except Exception as e:
if recv_task is not None:
if not ctx.snes_socket.closed:
await ctx.snes_socket.close()
else:
if ctx.snes_socket is not None:
if not ctx.snes_socket.closed:
await ctx.snes_socket.close()
ctx.snes_socket = None
ctx.snes_state = SNESState.SNES_DISCONNECTED
if not ctx.snes_reconnect_address:
snes_logger.error("Error connecting to snes (%s)" % e)
else:
snes_logger.error(f"Error connecting to snes, attempt again in {SNES_RECONNECT_DELAY}s")
asyncio.create_task(snes_autoreconnect(ctx))
SNES_RECONNECT_DELAY *= 2
else:
SNES_RECONNECT_DELAY = ctx.starting_reconnect_delay
snes_logger.info(f"Attached to {device}")
async def snes_disconnect(ctx: Context):
if ctx.snes_socket:
if not ctx.snes_socket.closed:
await ctx.snes_socket.close()
ctx.snes_socket = None
async def snes_autoreconnect(ctx: Context):
await asyncio.sleep(SNES_RECONNECT_DELAY)
if ctx.snes_reconnect_address and ctx.snes_socket is None:
await snes_connect(ctx, ctx.snes_reconnect_address)
async def snes_recv_loop(ctx: Context):
try:
async for msg in ctx.snes_socket:
ctx.snes_recv_queue.put_nowait(msg)
snes_logger.warning("Snes disconnected")
except Exception as e:
if not isinstance(e, websockets.WebSocketException):
snes_logger.exception(e)
snes_logger.error("Lost connection to the snes, type /snes to reconnect")
finally:
socket, ctx.snes_socket = ctx.snes_socket, None
if socket is not None and not socket.closed:
await socket.close()
ctx.snes_state = SNESState.SNES_DISCONNECTED
ctx.snes_recv_queue = asyncio.Queue()
ctx.hud_message_queue = []
ctx.rom = None
if ctx.snes_reconnect_address:
snes_logger.info(f"...reconnecting in {SNES_RECONNECT_DELAY}s")
asyncio.create_task(snes_autoreconnect(ctx))
async def snes_read(ctx: Context, address, size):
try:
await ctx.snes_request_lock.acquire()
if ctx.snes_state != SNESState.SNES_ATTACHED or ctx.snes_socket is None or not ctx.snes_socket.open or ctx.snes_socket.closed:
return None
GetAddress_Request = {
"Opcode": "GetAddress",
"Space": "SNES",
"Operands": [hex(address)[2:], hex(size)[2:]]
}
try:
await ctx.snes_socket.send(dumps(GetAddress_Request))
except websockets.ConnectionClosed:
return None
data = bytes()
while len(data) < size:
try:
data += await asyncio.wait_for(ctx.snes_recv_queue.get(), 5)
except asyncio.TimeoutError:
break
if len(data) != size:
snes_logger.error('Error reading %s, requested %d bytes, received %d' % (hex(address), size, len(data)))
if len(data):
snes_logger.error(str(data))
snes_logger.warning('Communication Failure with SNI')
if ctx.snes_socket is not None and not ctx.snes_socket.closed:
await ctx.snes_socket.close()
return None
return data
finally:
ctx.snes_request_lock.release()
async def snes_write(ctx: Context, write_list):
try:
await ctx.snes_request_lock.acquire()
if ctx.snes_state != SNESState.SNES_ATTACHED or ctx.snes_socket is None or \
not ctx.snes_socket.open or ctx.snes_socket.closed:
return False
PutAddress_Request = {"Opcode": "PutAddress", "Operands": [], 'Space': 'SNES'}
try:
for address, data in write_list:
PutAddress_Request['Operands'] = [hex(address)[2:], hex(len(data))[2:]]
if ctx.snes_socket is not None:
await ctx.snes_socket.send(dumps(PutAddress_Request))
await ctx.snes_socket.send(data)
else:
snes_logger.warning(f"Could not send data to SNES: {data}")
except websockets.ConnectionClosed:
return False
return True
finally:
ctx.snes_request_lock.release()
def snes_buffered_write(ctx: Context, address, data):
if ctx.snes_write_buffer and (ctx.snes_write_buffer[-1][0] + len(ctx.snes_write_buffer[-1][1])) == address:
# append to existing write command, bundling them
ctx.snes_write_buffer[-1] = (ctx.snes_write_buffer[-1][0], ctx.snes_write_buffer[-1][1] + data)
else:
ctx.snes_write_buffer.append((address, data))
async def snes_flush_writes(ctx: Context):
if not ctx.snes_write_buffer:
return
# swap buffers
ctx.snes_write_buffer, writes = [], ctx.snes_write_buffer
await snes_write(ctx, writes)
async def track_locations(ctx: Context, roomid, roomdata):
new_locations = []
def new_check(location_id):
new_locations.append(location_id)
ctx.locations_checked.add(location_id)
location = ctx.location_name_getter(location_id)
snes_logger.info(
f'New Check: {location} ({len(ctx.locations_checked)}/{len(ctx.missing_locations) + len(ctx.checked_locations)})')
try:
shop_data = await snes_read(ctx, SHOP_ADDR, SHOP_LEN)
shop_data_changed = False
shop_data = list(shop_data)
for cnt, b in enumerate(shop_data):
location = Shops.SHOP_ID_START + cnt
if int(b) and location not in ctx.locations_checked:
new_check(location)
if ctx.allow_collect and location in ctx.checked_locations and location not in ctx.locations_checked \
and location in ctx.locations_info and ctx.locations_info[location].player != ctx.slot:
if not int(b):
shop_data[cnt] += 1
shop_data_changed = True
if shop_data_changed:
snes_buffered_write(ctx, SHOP_ADDR, bytes(shop_data))
except Exception as e:
snes_logger.info(f"Exception: {e}")
for location_id, (loc_roomid, loc_mask) in location_table_uw_id.items():
try:
if location_id not in ctx.locations_checked and loc_roomid == roomid and \
(roomdata << 4) & loc_mask != 0:
new_check(location_id)
except Exception as e:
snes_logger.exception(f"Exception: {e}")
uw_begin = 0x129
ow_end = uw_end = 0
uw_unchecked = {}
uw_checked = {}
for location, (roomid, mask) in location_table_uw.items():
location_id = Regions.lookup_name_to_id[location]
if location_id not in ctx.locations_checked:
uw_unchecked[location_id] = (roomid, mask)
uw_begin = min(uw_begin, roomid)
uw_end = max(uw_end, roomid + 1)
if ctx.allow_collect and location_id not in boss_locations and location_id in ctx.checked_locations \
and location_id not in ctx.locations_checked and location_id in ctx.locations_info \
and ctx.locations_info[location_id].player != ctx.slot:
uw_begin = min(uw_begin, roomid)
uw_end = max(uw_end, roomid + 1)
uw_checked[location_id] = (roomid, mask)
if uw_begin < uw_end:
uw_data = await snes_read(ctx, SAVEDATA_START + (uw_begin * 2), (uw_end - uw_begin) * 2)
if uw_data is not None:
for location_id, (roomid, mask) in uw_unchecked.items():
offset = (roomid - uw_begin) * 2
roomdata = uw_data[offset] | (uw_data[offset + 1] << 8)
if roomdata & mask != 0:
new_check(location_id)
if uw_checked:
uw_data = list(uw_data)
for location_id, (roomid, mask) in uw_checked.items():
offset = (roomid - uw_begin) * 2
roomdata = uw_data[offset] | (uw_data[offset + 1] << 8)
roomdata |= mask
uw_data[offset] = roomdata & 0xFF
uw_data[offset + 1] = roomdata >> 8
snes_buffered_write(ctx, SAVEDATA_START + (uw_begin * 2), bytes(uw_data))
ow_begin = 0x82
ow_unchecked = {}
ow_checked = {}
for location_id, screenid in location_table_ow_id.items():
if location_id not in ctx.locations_checked:
ow_unchecked[location_id] = screenid
ow_begin = min(ow_begin, screenid)
ow_end = max(ow_end, screenid + 1)
if ctx.allow_collect and location_id in ctx.checked_locations and location_id in ctx.locations_info \
and ctx.locations_info[location_id].player != ctx.slot:
ow_checked[location_id] = screenid
if ow_begin < ow_end:
ow_data = await snes_read(ctx, SAVEDATA_START + 0x280 + ow_begin, ow_end - ow_begin)
if ow_data is not None:
for location_id, screenid in ow_unchecked.items():
if ow_data[screenid - ow_begin] & 0x40 != 0:
new_check(location_id)
if ow_checked:
ow_data = list(ow_data)
for location_id, screenid in ow_checked.items():
ow_data[screenid - ow_begin] |= 0x40
snes_buffered_write(ctx, SAVEDATA_START + 0x280 + ow_begin, bytes(ow_data))
if not ctx.locations_checked.issuperset(location_table_npc_id):
npc_data = await snes_read(ctx, SAVEDATA_START + 0x410, 2)
if npc_data is not None:
npc_value_changed = False
npc_value = npc_data[0] | (npc_data[1] << 8)
for location_id, mask in location_table_npc_id.items():
if npc_value & mask != 0 and location_id not in ctx.locations_checked:
new_check(location_id)
if ctx.allow_collect and location_id not in boss_locations and location_id in ctx.checked_locations \
and location_id not in ctx.locations_checked and location_id in ctx.locations_info \
and ctx.locations_info[location_id].player != ctx.slot:
npc_value |= mask
npc_value_changed = True
if npc_value_changed:
npc_data = bytes([npc_value & 0xFF, npc_value >> 8])
snes_buffered_write(ctx, SAVEDATA_START + 0x410, npc_data)
if not ctx.locations_checked.issuperset(location_table_misc_id):
misc_data = await snes_read(ctx, SAVEDATA_START + 0x3c6, 4)
if misc_data is not None:
misc_data = list(misc_data)
misc_data_changed = False
for location_id, (offset, mask) in location_table_misc_id.items():
assert (0x3c6 <= offset <= 0x3c9)
if misc_data[offset - 0x3c6] & mask != 0 and location_id not in ctx.locations_checked:
new_check(location_id)
if ctx.allow_collect and location_id in ctx.checked_locations and location_id not in ctx.locations_checked \
and location_id in ctx.locations_info and ctx.locations_info[location_id].player != ctx.slot:
misc_data_changed = True
misc_data[offset - 0x3c6] |= mask
if misc_data_changed: