metaforce/Runtime/CMemoryCardSysWin.cpp

#include "Runtime/CMemoryCardSys.hpp"

#include "Runtime/GameGlobalObjects.hpp"
#include "Runtime/IMain.hpp"

#include <shlobj.h>

namespace metaforce {

#if WINDOWS_STORE
using namespace Windows::Storage;
#endif

/* Partial path-selection logic from
 * https://github.com/dolphin-emu/dolphin/blob/master/Source/Core/UICommon/UICommon.cpp
 * Modified to not use dolphin-binary-relative paths. */
kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlot slot) {
  if (g_Main->IsUSA() && !g_Main->IsTrilogy()) {
#if !WINDOWS_STORE
    /* Detect where the User directory is. There are two different cases
     * 1. HKCU\Software\Dolphin Emulator\UserConfigPath exists
     *    -> Use this as the user directory path
     * 2. My Documents exists
     *    -> Use My Documents\Dolphin Emulator as the User directory path
     */

    /* Check our registry keys */
    HKEY hkey;
    kabufuda::SystemChar configPath[MAX_PATH] = {0};
    if (RegOpenKeyEx(HKEY_CURRENT_USER, _SYS_STR("Software\\Dolphin Emulator"), 0, KEY_QUERY_VALUE, &hkey) ==
        ERROR_SUCCESS) {
      DWORD size = MAX_PATH;
      if (RegQueryValueEx(hkey, _SYS_STR("UserConfigPath"), nullptr, nullptr, (LPBYTE)configPath, &size) !=
          ERROR_SUCCESS)
        configPath[0] = 0;
      RegCloseKey(hkey);
    }

    /* Get My Documents path in case we need it. */
    kabufuda::SystemChar my_documents[MAX_PATH];
    bool my_documents_found =
        SUCCEEDED(SHGetFolderPath(nullptr, CSIDL_MYDOCUMENTS, nullptr, SHGFP_TYPE_CURRENT, my_documents));

    kabufuda::SystemString path;
    if (configPath[0]) /* Case 1 */
      path = configPath;
    else if (my_documents_found) /* Case 2 */
      path = kabufuda::SystemString(my_documents) + _SYS_STR("/Dolphin Emulator");
    else /* Unable to find */
      return {};
#else
    StorageFolder ^ localFolder = ApplicationData::Current->LocalFolder;
    kabufuda::SystemString path(localFolder->Path->Data());
#endif

    path += fmt::format(FMT_STRING(_SYS_STR("/GC/MemoryCard{}.USA.raw")),
                        slot == kabufuda::ECardSlot::SlotA ? _SYS_STR('A') : _SYS_STR('B'));

    hecl::Sstat theStat;
    if (hecl::Stat(path.c_str(), &theStat) || !S_ISREG(theStat.st_mode))
      return {};

    return path;
  }
  return {};
}

kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot slot, bool dolphin) {
  if (g_Main->IsUSA() && !g_Main->IsTrilogy()) {
    if (dolphin) {
#if !WINDOWS_STORE
      /* Detect where the User directory is. There are two different cases
       * 1. HKCU\Software\Dolphin Emulator\UserConfigPath exists
       *    -> Use this as the user directory path
       * 2. My Documents exists
       *    -> Use My Documents\Dolphin Emulator as the User directory path
       */

      /* Check our registry keys */
      HKEY hkey;
      kabufuda::SystemChar configPath[MAX_PATH] = {0};
      if (RegOpenKeyEx(HKEY_CURRENT_USER, _SYS_STR("Software\\Dolphin Emulator"), 0, KEY_QUERY_VALUE, &hkey) ==
          ERROR_SUCCESS) {
        DWORD size = MAX_PATH;
        if (RegQueryValueEx(hkey, _SYS_STR("UserConfigPath"), nullptr, nullptr, (LPBYTE)configPath, &size) !=
            ERROR_SUCCESS)
          configPath[0] = 0;
        RegCloseKey(hkey);
      }

      /* Get My Documents path in case we need it. */
      kabufuda::SystemChar my_documents[MAX_PATH];
      bool my_documents_found =
          SUCCEEDED(SHGetFolderPath(nullptr, CSIDL_MYDOCUMENTS, nullptr, SHGFP_TYPE_CURRENT, my_documents));

      kabufuda::SystemString path;
      if (configPath[0]) /* Case 1 */
        path = configPath;
      else if (my_documents_found) /* Case 2 */
        path = kabufuda::SystemString(my_documents) + _SYS_STR("/Dolphin Emulator");
      else /* Unable to find */
        return {};
#else
      StorageFolder ^ localFolder = ApplicationData::Current->LocalFolder;
      kabufuda::SystemString path(localFolder->Path->Data());
#endif

      path += _SYS_STR("/GC");
      if (hecl::RecursiveMakeDir(path.c_str()) < 0)
        return {};

      path += fmt::format(FMT_STRING(_SYS_STR("/MemoryCard{}.USA.raw")),
                          slot == kabufuda::ECardSlot::SlotA ? _SYS_STR('A') : _SYS_STR('B'));
      const auto fp = hecl::FopenUnique(path.c_str(), _SYS_STR("wb"));
      if (fp == nullptr) {
        return {};
      }

      return path;
    } else {
      kabufuda::SystemString path = _GetDolphinCardPath(slot);
      hecl::SanitizePath(path);
      if (path.find('/') == kabufuda::SystemString::npos) {
        path = hecl::GetcwdStr() + _SYS_STR("/") + _GetDolphinCardPath(slot);
      }
      hecl::SystemString tmpPath = path.substr(0, path.find_last_of(_SYS_STR("/")));
      hecl::RecursiveMakeDir(tmpPath.c_str());
      const auto fp = hecl::FopenUnique(path.c_str(), _SYS_STR("wb"));
      if (fp) {
        return path;
      }
    }
  }
  return {};
}

} // namespace metaforce