Use platform-specific user directory to store content. Create a file named portable.txt next to xenia.exe to restore previous behavior.

src/xenia/emulator.h

@@ -47,12 +47,16 @@ namespace xe {
 // This is responsible for initializing and managing all the various subsystems.
 class Emulator {
  public:
-  explicit Emulator(const std::wstring& command_line);
+  explicit Emulator(const std::wstring& command_line,
+                    const std::wstring& content_root);
   ~Emulator();
 
   // Full command line used when launching the process.
   const std::wstring& command_line() const { return command_line_; }
 
+  // Folder content is stored in.
+  const std::wstring& content_root() const { return content_root_; }
+
   // Title of the game in the default language.
   const std::wstring& game_title() const { return game_title_; }
 
@@ -154,6 +158,8 @@ class Emulator {
                           const std::string& module_path);
 
   std::wstring command_line_;
+  std::wstring content_root_;
+
   std::wstring game_title_;
 
   ui::Window* display_window_;