Starfield Creation Update: Convert overlay/override flags to medium f…

…lags (#148)

src/game_features/gameplugins.h

@@ -16,7 +16,7 @@ class GamePlugins : public details::GameFeatureCRTP<GamePlugins>
   virtual void readPluginLists(MOBase::IPluginList* pluginList)        = 0;
   virtual QStringList getLoadOrder()                                   = 0;
   virtual bool lightPluginsAreSupported()                              = 0;
-  virtual bool overridePluginsAreSupported()                           = 0;
+  virtual bool mediumPluginsAreSupported()                             = 0;
 };
 
 }  // namespace MOBase

src/ipluginlist.h

@@ -195,23 +195,23 @@ class IPluginList
   virtual bool isMasterFlagged(const QString& name) const = 0;
 
   /**
-   * @brief determine if a plugin is flagged as light
+   * @brief determine if a plugin is flagged as medium
    * @param name filename of the plugin (without path but with file extension)
-   * @return true if the file is flagged as light, false if it isn't OR if the file
+   * @return true if the file is flagged as medium, false if it isn't OR if the file
    * doesn't exist.
-   * @note in gamebryo games, a light file will usually have a .esl file
+   * @note this plugin flag was added in Starfield and signifies plugins in between
+   * master and light plugins.
    */
-  virtual bool isLightFlagged(const QString& name) const = 0;
+  virtual bool isMediumFlagged(const QString& name) const = 0;
 
   /**
-   * @brief determine if a plugin is flagged as an overlay
+   * @brief determine if a plugin is flagged as light
    * @param name filename of the plugin (without path but with file extension)
-   * @return true if the file is flagged as overlay, false if it isn't OR if the file
+   * @return true if the file is flagged as light, false if it isn't OR if the file
    * doesn't exist.
-   * @note this plugin flag was added in Starfield and signifies plugin records that
-   * update existing records
+   * @note in gamebryo games, a light file will usually have a .esl file
    */
-  virtual bool isOverlayFlagged(const QString& name) const = 0;
+  virtual bool isLightFlagged(const QString& name) const = 0;
 
   /**
    * @brief determine if a plugin has no records