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

src/xenia/base/filesystem.h

@@ -20,6 +20,15 @@
 namespace xe {
 namespace filesystem {
 
+// Get executable path.
+std::wstring GetExecutablePath();
+
+// Get executable folder.
+std::wstring GetExecutableFolder();
+
+// Get user folder.
+std::wstring GetUserFolder();
+
 // Canonicalizes a path, removing ..'s.
 std::string CanonicalizePath(const std::string& original_path);
 

src/xenia/base/filesystem_posix.cc

@@ -21,6 +21,21 @@
 namespace xe {
 namespace filesystem {
 
+std::wstring GetExecutablePath() {
+  assert_always();  // IMPLEMENT ME.
+  return std::wstring();
+}
+
+std::wstring GetExecutableFolder() {
+  assert_always();  // IMPLEMENT ME.
+  return std::wstring();
+}
+
+std::wstring GetUserFolder() {
+  assert_always();  // IMPLEMENT ME.
+  return std::wstring();
+}
+
 bool PathExists(const std::wstring& path) {
   struct stat st;
   return stat(xe::to_string(path).c_str(), &st) == 0;

src/xenia/base/filesystem_win.cc

@@ -12,11 +12,33 @@
 
 #include <string>
 
+#include <shlobj.h>
+
 #include "xenia/base/platform_win.h"
 
 namespace xe {
 namespace filesystem {
 
+std::wstring GetExecutablePath() {
+  wchar_t* path;
+  auto error = _get_wpgmptr(&path);
+  return !error ? std::wstring(path) : std::wstring();
+}
+
+std::wstring GetExecutableFolder() {
+  auto path = GetExecutablePath();
+  return xe::find_base_path(path);
+}
+
+std::wstring GetUserFolder() {
+  wchar_t path[MAX_PATH];
+  if (!SUCCEEDED(SHGetFolderPathW(nullptr, CSIDL_MYDOCUMENTS, nullptr,
+                                  SHGFP_TYPE_CURRENT, path))) {
+    return std::wstring();
+  }
+  return std::wstring(path);
+}
+
 bool PathExists(const std::wstring& path) {
   DWORD attrib = GetFileAttributes(path.c_str());
   return attrib != INVALID_FILE_ATTRIBUTES;