RareGame: Move sdl_name to RareGameBase

InstallDialog uses that property so RareEosOverlay should have it too.
Also calculate the base_path for the overlay case instead of passing it as
argument

rare/components/dialogs/install_dialog.py

@@ -235,7 +235,8 @@ class InstallDialog(ActionDialog):
             self.error_box()
 
     def get_options(self):
-        self.__options.base_path = "" if self.rgame.is_installed else self.install_dir_edit.text()
+        base_path = os.path.join(self.install_dir_edit.text(), ".overlay" if self.__options.overlay else "")
+        self.__options.base_path = "" if self.rgame.is_installed else base_path
         self.__options.platform = self.ui.platform_combo.currentText()
         self.__options.create_shortcut = self.ui.shortcut_check.isChecked()
         self.__options.max_workers = self.advanced.ui.max_workers_spin.value()

rare/models/base_game.py

@@ -8,6 +8,7 @@ from typing import Optional, List, Tuple
 from PyQt5.QtCore import QObject, pyqtSignal, QRunnable, QThreadPool, QSettings
 from legendary.lfs import eos
 from legendary.models.game import SaveGameFile, SaveGameStatus, Game, InstalledGame
+from legendary.utils.selective_dl import get_sdl_appname
 
 from rare.lgndr.core import LegendaryCore
 from rare.models.install import UninstallOptionsModel, InstallOptionsModel
@@ -178,6 +179,10 @@ class RareGameBase(QObject):
         except AttributeError:
             return False
 
+    @property
+    def sdl_name(self) -> Optional[str]:
+        return get_sdl_appname(self.app_name)
+
     @property
     def version(self) -> str:
         """!

rare/models/game.py

@@ -11,7 +11,6 @@ from PyQt5.QtCore import QRunnable, pyqtSlot, QProcess, QThreadPool
 from PyQt5.QtGui import QPixmap
 from legendary.lfs import eos
 from legendary.models.game import Game, InstalledGame
-from legendary.utils.selective_dl import get_sdl_appname
 
 from rare.lgndr.core import LegendaryCore
 from rare.models.base_game import RareGameBase, RareGameSlim
@@ -413,10 +412,6 @@ class RareGame(RareGameSlim):
             else self.app_title
         )
 
-    @property
-    def sdl_name(self) -> Optional[str]:
-        return get_sdl_appname(self.app_name)
-
     @property
     def save_path(self) -> Optional[str]:
         return super(RareGame, self).save_path
@@ -628,7 +623,7 @@ class RareEosOverlay(RareGameBase):
         try:
             eos.add_registry_entries(path, prefix)
         except PermissionError as e:
-            logger.error("Exception while writing registry to enable the overlay .")
+            logger.error("Exception while writing registry to enable the overlay.")
             logger.error(e)
             return False
         logger.info(f"Enabled overlay at: {path} for prefix: {prefix}")
@@ -652,10 +647,7 @@ class RareEosOverlay(RareGameBase):
         if self.is_installed:
             base_path = self.igame.install_path
         else:
-            base_path = os.path.join(
+            base_path = self.core.get_default_install_dir()
-                self.core.lgd.config.get("Legendary", "install_dir", fallback=os.path.expanduser("~/legendary")),
-                ".overlay"
-            )
         self.signals.game.install.emit(
             InstallOptionsModel(
                 app_name=self.app_name, base_path=base_path, platform="Windows", overlay=True