Fix memcard path CVars and add menu notifying player when they've been reset

Runtime/CMemoryCardSys.cpp

@@ -336,6 +336,9 @@ ECardResult CMemoryCardSys::CCardFileInfo::WriteFile() {
 }
 
 ECardResult CMemoryCardSys::CCardFileInfo::CloseFile() { return CMemoryCardSys::CloseFile(m_handle); }
+kabufuda::SystemString CMemoryCardSys::_GetDolphinCardPath(kabufuda::ECardSlot slot) {
+  return g_CardImagePaths[static_cast<u32>(slot)];
+}
 
 void CMemoryCardSys::_ResolveDolphinCardPath(const hecl::CVar* cv, kabufuda::ECardSlot slot) {
 #if CARD_UCS2
@@ -559,19 +562,31 @@ void CMemoryCardSys::CommitToDisk(kabufuda::ECardSlot port) {
   card.commit();
 }
 
-kabufuda::SystemString CMemoryCardSys::CreateDolphinCard(kabufuda::ECardSlot slot) {
-  kabufuda::SystemString path = _CreateDolphinCard(slot);
+bool CMemoryCardSys::CreateDolphinCard(kabufuda::ECardSlot slot) {
+  kabufuda::SystemString path =
+      _CreateDolphinCard(slot, slot == kabufuda::ECardSlot::SlotA ? mc_dolphinAPath->hasDefaultValue()
+                                                                  : mc_dolphinBPath->hasDefaultValue());
   if (CardProbe(slot).x0_error != ECardResult::READY) {
-    return {};
+    return false;
   }
 
   MountCard(slot);
   FormatCard(slot);
   kabufuda::Card& card = g_CardStates[int(slot)];
   card.waitForCompletion();
-  return path;
+  return true;
 }
 
+void CMemoryCardSys::_ResetCVar(kabufuda::ECardSlot slot) {
+  switch(slot) {
+  case kabufuda::ECardSlot::SlotA:
+    mc_dolphinAPath->fromLiteral("");
+    break;
+  case kabufuda::ECardSlot::SlotB:
+    mc_dolphinBPath->fromLiteral("");
+    break;
+  }
+}
 void CMemoryCardSys::Shutdown() {
   UnmountCard(kabufuda::ECardSlot::SlotA);
   UnmountCard(kabufuda::ECardSlot::SlotB);

Runtime/CMemoryCardSys.hpp

@@ -67,10 +67,12 @@ class CMemoryCardSys {
   rstl::reserved_vector<u32, 6> x30_scanCategoryCounts;
 
 public:
+  static void _ResetCVar(kabufuda::ECardSlot slot);
   static void _ResolveDolphinCardPath(const hecl::CVar* cv, kabufuda::ECardSlot slot);
   static kabufuda::SystemString ResolveDolphinCardPath(kabufuda::ECardSlot slot);
-  static kabufuda::SystemString CreateDolphinCard(kabufuda::ECardSlot slot);
-  static kabufuda::SystemString _CreateDolphinCard(kabufuda::ECardSlot slot);
+  static bool CreateDolphinCard(kabufuda::ECardSlot slot);
+  static kabufuda::SystemString _GetDolphinCardPath(kabufuda::ECardSlot slot);
+  static kabufuda::SystemString _CreateDolphinCard(kabufuda::ECardSlot slot, bool dolphin);
 
   using ECardResult = kabufuda::ECardResult;
   struct CardResult {

Runtime/CMemoryCardSysNix.cpp

@@ -31,8 +31,9 @@ kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlo
   return {};
 }
 
-kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot slot) {
+kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot slot, bool dolphin) {
   if (g_Main->IsUSA() && !g_Main->IsTrilogy()) {
+    if (dolphin) {
       const char* home = getenv("HOME");
       if (!home || home[0] != '/')
         return {};
@@ -47,12 +48,23 @@ kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot sl
 
       path += fmt::format(FMT_STRING("/MemoryCard{:c}.USA.raw"), slot == kabufuda::ECardSlot::SlotA ? 'A' : 'B');
       const auto fp = hecl::FopenUnique(path.c_str(), "wb");
-    if (fp == nullptr) {
-      return {};
-    }
-
+      if (fp != nullptr) {
         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(), "wb");
+      if (fp) {
+        return path;
+      }
+    }
+  }
   return {};
 }
 

Runtime/CMemoryCardSysOSX.cpp

@@ -22,8 +22,9 @@ kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlo
   return {};
 }
 
-kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot slot) {
+kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot slot, bool dolphin) {
   if (g_Main->IsUSA() && !g_Main->IsTrilogy()) {
+    if (dolphin) {
       const char* home = getenv("HOME");
       if (!home)
         return {};
@@ -40,6 +41,19 @@ kabufuda::SystemString CMemoryCardSys::_CreateDolphinCard(kabufuda::ECardSlot sl
       }
 
       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(), "wb");
+      if (fp) {
+        return path;
+      }
+    }
   }
   return {};
 }

Runtime/CMemoryCardSysWin.cpp

@@ -14,8 +14,9 @@ using namespace Windows::Storage;
 /* 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) {
+kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(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
@@ -61,6 +62,19 @@ kabufuda::SystemString CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlo
         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(), "wb");
+      if (fp) {
+        return path;
+      }
+    }
   }
   return {};
 }

Runtime/MP1/CSaveGameScreen.cpp

@@ -131,6 +131,9 @@ bool CSaveGameScreen::PumpLoad() {
 }
 
 CSaveGameScreen::EUIType CSaveGameScreen::SelectUIType() const {
+  if (x10_uiType == EUIType::CreateDolphinCardFailed) {
+    return x10_uiType;
+  }
   if (x6c_cardDriver->x10_state == EState::NoCard) {
     return EUIType::NoCardFound;
   }
@@ -312,6 +315,12 @@ void CSaveGameScreen::SetUIText() {
       opt1 = 15; // No
     }
     break;
+  case EUIType::CreateDolphinCardFailed:
+    msgAStr = u"Attempt to create Dolphin Card failed!\n";
+    msgBStr = u"CVars have been reset to defaults.\nMetaforce will use Dolphin's memory cards if available\n";
+    opt0 = -2;
+    opt0Str = u"Press &image=SI,1.0,0.68,05AF9CAA; to proceed.\n";
+    break;
   default:
     break;
   }
@@ -392,7 +401,12 @@ void CSaveGameScreen::DoAdvance([[maybe_unused]] CGuiTableGroup* caller) {
       sfx = x84_navConfirmSfx;
     } else if (userSel == 2 && x10_uiType == EUIType::NoCardFound) {
       /* Create Dolphin Card */
-      CMemoryCardSys::CreateDolphinCard(kabufuda::ECardSlot::SlotA);
+      if (!CMemoryCardSys::CreateDolphinCard(kabufuda::ECardSlot::SlotA)) {
+        x10_uiType = EUIType::CreateDolphinCardFailed;
+        sfx = x8c_navBackSfx;
+        x91_uiTextDirty = true;
+        break;
+      }
       ResetCardDriver();
       sfx = x84_navConfirmSfx;
     }
@@ -556,6 +570,15 @@ void CSaveGameScreen::DoAdvance([[maybe_unused]] CGuiTableGroup* caller) {
       }
     }
     break;
+  case EUIType::CreateDolphinCardFailed: {
+    if (userSel == 0) {
+      CMemoryCardSys::_ResetCVar(kabufuda::ECardSlot::SlotA);
+      CMemoryCardSys::ResolveDolphinCardPath(kabufuda::ECardSlot::SlotA);
+      ResetCardDriver();
+      x10_uiType = EUIType::Empty;
+      sfx = x84_navConfirmSfx;
+    }
+  } break;
 
   default:
     break;

Runtime/MP1/CSaveGameScreen.hpp

@@ -41,7 +41,9 @@ public:
     ProgressWillBeLost = 13,
     NotOriginalCard = 14,
     AllDataWillBeLost = 15,
-    SaveReady = 16
+    SaveReady = 16,
+    // Metaforce Addition
+    CreateDolphinCardFailed
   };
 
   bool IsHiddenFromFrontEnd() const {