Added Ryujinx Emulator

lutris/runners/__init__.py

@@ -27,6 +27,7 @@ __all__ = [
     "snes9x",
     "mupen64plus",
     "dolphin",
+    "ryujinx",
     "yuzu",
     # Sony
     "pcsx2",

lutris/runners/ryujinx.py

@@ -0,0 +1,95 @@
+# Standard Library
+import filecmp
+import os
+from gettext import gettext as _
+from shutil import copyfile
+
+# Lutris Modules
+from lutris.runners.runner import Runner
+from lutris.util import system
+from lutris.util.log import logger
+
+
+
+class ryujinx(Runner):
+    human_name = _("Ryujinx")
+    platforms = [_("Nintendo Switch")]
+    description = _("Nintendo Switch emulator for LDN build visit https://ryujinx.org/")
+    runnable_alone = True
+    runner_executable = "ryujinx/publish/Ryujinx"
+    download_url = "https://ci.appveyor.com/api/buildjobs/o37yny5mfr4dyx6d/artifacts/ryujinx-1.0.7032-linux_x64.tar.gz"
+
+    game_options = [
+        {
+            "option": "main_file",
+            "type": "file",
+            "label": _("NSP file"),
+            "help": _("The game data, commonly called a ROM image."),
+        }
+    ]
+    runner_options = [
+        {
+            "option": "prod_keys",
+            "label": _("Encryption keys"),
+            "type": "file",
+            "help": _("File containing the encryption keys."),
+        }, {
+            "option": "title_keys",
+            "label": _("Title keys"),
+            "type": "file",
+            "help": _("File containing the title keys."),
+        }
+    ]
+
+    @property
+    def ryujinx_data_dir(self):
+        """Return dir where Ryujinx files lie."""
+        candidates = ("~/.local/share/ryujinx", )
+        for candidate in candidates:
+            path = system.fix_path_case(os.path.join(os.path.expanduser(candidate), "nand"))
+            if path:
+                return path[:-len("nand")]
+
+    def play(self):
+        """Run the game."""
+        arguments = [self.get_executable()]
+        rom = self.game_config.get("main_file") or ""
+        if not system.path_exists(rom):
+            return {"error": "FILE_NOT_FOUND", "file": rom}
+        arguments.append(rom)
+        return {"command": arguments}
+
+    def _update_key(self, key_type):
+        """Update a keys file if set """
+        ryujinx_data_dir = self.ryujinx_data_dir
+        if not ryujinx_data_dir:
+            logger.error("Ryujinx data dir not set")
+            return
+        if key_type == "prod_keys":
+            key_loc = os.path.join(ryujinx_data_dir, "keys/prod.keys")
+        elif key_type == "title_keys":
+            key_loc = os.path.join(ryujinx_data_dir, "keys/title.keys")
+        else:
+            logger.error("Invalid keys type %s!", key_type)
+            return
+
+        key = self.runner_config.get(key_type)
+        if not key:
+            logger.debug("No %s file was set.", key_type)
+            return
+        if not system.path_exists(key):
+            logger.warning("Keys file %s does not exist!", key)
+            return
+
+        keys_dir = os.path.dirname(key_loc)
+        if not os.path.exists(keys_dir):
+            os.makedirs(keys_dir)
+        elif os.path.isfile(key_loc) and filecmp.cmp(key, key_loc):
+            # If the files are identical, don't do anything
+            return
+        copyfile(key, key_loc)
+
+    def prelaunch(self):
+        for key in ["prod_keys", "title_keys"]:
+            self._update_key(key_type=key)
+        return True