BizHawkClient: Add autostart setting (#2322)

settings.py

@@ -694,6 +694,25 @@ does nothing if not found
     snes_rom_start: Union[SnesRomStart, bool] = True
 
 
+class BizHawkClientOptions(Group):
+    class EmuHawkPath(UserFilePath):
+        """
+        The location of the EmuHawk you want to auto launch patched ROMs with
+        """
+        is_exe = True
+        description = "EmuHawk Executable"
+
+    class RomStart(str):
+        """
+        Set this to true to autostart a patched ROM in BizHawk with the connector script,
+        to false to never open the patched rom automatically,
+        or to a path to an external program to open the ROM file with that instead.
+        """
+
+    emuhawk_path: EmuHawkPath = EmuHawkPath(None)
+    rom_start: Union[RomStart, bool] = True
+
+
 # Top-level group with lazy loading of worlds
 
 class Settings(Group):
@@ -701,6 +720,7 @@ class Settings(Group):
     server_options: ServerOptions = ServerOptions()
     generator: GeneratorOptions = GeneratorOptions()
     sni_options: SNIOptions = SNIOptions()
+    bizhawkclient_options: BizHawkClientOptions = BizHawkClientOptions()
 
     _filename: Optional[str] = None
 

worlds/_bizhawk/context.py

@@ -5,6 +5,7 @@ checking or launching the client, otherwise it will probably cause circular impo
 
 
 import asyncio
+import subprocess
 import traceback
 from typing import Any, Dict, Optional
 
@@ -146,8 +147,24 @@ async def _game_watcher(ctx: BizHawkClientContext):
 
 
 async def _run_game(rom: str):
-    import webbrowser
-    webbrowser.open(rom)
+    import os
+    auto_start = Utils.get_settings().bizhawkclient_options.rom_start
+
+    if auto_start is True:
+        emuhawk_path = Utils.get_settings().bizhawkclient_options.emuhawk_path
+        subprocess.Popen([emuhawk_path, "--lua=data/lua/connector_bizhawk_generic.lua", os.path.realpath(rom)],
+                         cwd=Utils.local_path("."),
+                         stdin=subprocess.DEVNULL,
+                         stdout=subprocess.DEVNULL,
+                         stderr=subprocess.DEVNULL)
+    elif isinstance(auto_start, str):
+        import shlex
+
+        subprocess.Popen([*shlex.split(auto_start), os.path.realpath(rom)],
+                         cwd=Utils.local_path("."),
+                         stdin=subprocess.DEVNULL,
+                         stdout=subprocess.DEVNULL,
+                         stderr=subprocess.DEVNULL)
 
 
 async def _patch_and_run_game(patch_file: str):