FilesystemPanel: Put partitions in separate folders when extracting all partitions

Source/Core/DiscIO/DiscExtractor.cpp

@@ -6,15 +6,42 @@
 
 #include <algorithm>
 #include <cinttypes>
+#include <locale>
 #include <optional>
 
 #include "Common/CommonTypes.h"
+#include "Common/StringUtil.h"
 #include "DiscIO/Enums.h"
 #include "DiscIO/Filesystem.h"
 #include "DiscIO/Volume.h"
 
 namespace DiscIO
 {
+std::string DirectoryNameForPartitionType(u32 partition_type)
+{
+  switch (partition_type)
+  {
+  case 0:
+    return "DATA";
+  case 1:
+    return "UPDATE";
+  case 2:
+    return "CHANNEL";
+  default:
+    const std::string type_as_game_id{static_cast<char>((partition_type >> 24) & 0xFF),
+                                      static_cast<char>((partition_type >> 16) & 0xFF),
+                                      static_cast<char>((partition_type >> 8) & 0xFF),
+                                      static_cast<char>(partition_type & 0xFF)};
+    if (std::all_of(type_as_game_id.cbegin(), type_as_game_id.cend(),
+                    [](char c) { return std::isprint(c, std::locale::classic()); }))
+    {
+      return "P-" + type_as_game_id;
+    }
+
+    return StringFromFormat("P%u", partition_type);
+  }
+}
+
 u64 ReadFile(const Volume& volume, const Partition& partition, const FileInfo* file_info,
              u8* buffer, u64 max_buffer_size, u64 offset_in_file)
 {

Source/Core/DiscIO/DiscExtractor.h

@@ -15,6 +15,8 @@ class FileInfo;
 struct Partition;
 class Volume;
 
+std::string DirectoryNameForPartitionType(u32 partition_type);
+
 u64 ReadFile(const Volume& volume, const Partition& partition, const FileInfo* file_info,
              u8* buffer, u64 max_buffer_size, u64 offset_in_file = 0);
 bool ExportData(const Volume& volume, const Partition& partition, u64 offset, u64 size,

Source/Core/DiscIO/Volume.h

@@ -53,6 +53,7 @@ public:
   }
   virtual std::vector<Partition> GetPartitions() const { return {}; }
   virtual Partition GetGamePartition() const { return PARTITION_NONE; }
+  virtual std::optional<u32> GetPartitionType(const Partition& partition) const { return {}; }
   std::optional<u64> GetTitleID() const { return GetTitleID(GetGamePartition()); }
   virtual std::optional<u64> GetTitleID(const Partition& partition) const { return {}; }
   virtual const IOS::ES::TicketReader& GetTicket(const Partition& partition) const

Source/Core/DiscIO/VolumeWii.cpp

@@ -67,10 +67,11 @@ VolumeWii::VolumeWii(std::unique_ptr<BlobReader> reader)
         continue;
       const u64 partition_offset = static_cast<u64>(*read_buffer) << 2;
 
-      // Check if this is the game partition
+      // Read the partition type
-      const bool is_game_partition =
+      const std::optional<u32> partition_type =
-          m_game_partition == PARTITION_NONE &&
+          m_pReader->ReadSwapped<u32>(partition_table_offset + (i * 8) + 4);
-          m_pReader->ReadSwapped<u32>(partition_table_offset + (i * 8) + 4) == u32(0);
+      if (!partition_type)
+        continue;
 
       // Read ticket
       std::vector<u8> ticket_buffer(sizeof(IOS::ES::Ticket));
@@ -106,10 +107,11 @@ VolumeWii::VolumeWii(std::unique_ptr<BlobReader> reader)
       // We've read everything. Time to store it! (The reason we don't store anything
       // earlier is because we want to be able to skip adding the partition if an error occurs.)
       const Partition partition(partition_offset);
+      m_partition_types[partition] = *partition_type;
       m_partition_keys[partition] = std::move(aes_context);
       m_partition_tickets[partition] = std::move(ticket);
       m_partition_tmds[partition] = std::move(tmd);
-      if (is_game_partition)
+      if (m_game_partition == PARTITION_NONE && *partition_type == 0)
         m_game_partition = partition;
     }
   }
@@ -185,6 +187,12 @@ Partition VolumeWii::GetGamePartition() const
   return m_game_partition;
 }
 
+std::optional<u32> VolumeWii::GetPartitionType(const Partition& partition) const
+{
+  auto it = m_partition_types.find(partition);
+  return it != m_partition_types.end() ? it->second : std::optional<u32>();
+}
+
 std::optional<u64> VolumeWii::GetTitleID(const Partition& partition) const
 {
   const IOS::ES::TicketReader& ticket = GetTicket(partition);

Source/Core/DiscIO/VolumeWii.h

@@ -34,6 +34,7 @@ public:
   bool Read(u64 _Offset, u64 _Length, u8* _pBuffer, const Partition& partition) const override;
   std::vector<Partition> GetPartitions() const override;
   Partition GetGamePartition() const override;
+  std::optional<u32> GetPartitionType(const Partition& partition) const override;
   std::optional<u64> GetTitleID(const Partition& partition) const override;
   const IOS::ES::TicketReader& GetTicket(const Partition& partition) const override;
   const IOS::ES::TMDReader& GetTMD(const Partition& partition) const override;
@@ -64,6 +65,7 @@ public:
 
 private:
   std::unique_ptr<BlobReader> m_pReader;
+  std::map<Partition, u32> m_partition_types;
   std::map<Partition, std::unique_ptr<mbedtls_aes_context>> m_partition_keys;
   std::map<Partition, IOS::ES::TicketReader> m_partition_tickets;
   std::map<Partition, IOS::ES::TMDReader> m_partition_tmds;

Source/Core/DolphinWX/ISOProperties/FilesystemPanel.cpp

@@ -277,6 +277,8 @@ void FilesystemPanel::OnExtractAll(wxCommandEvent& event)
   if (extract_path.empty())
     return;
 
+  const std::string std_extract_path = WxStrToStr(extract_path);
+
   const wxTreeItemId selection = m_tree_ctrl->GetSelection();
   const bool first_item_selected = m_tree_ctrl->GetFirstVisibleItem() == selection;
 
@@ -290,18 +292,24 @@ void FilesystemPanel::OnExtractAll(wxCommandEvent& event)
     while (item.IsOk())
     {
       const auto* const partition = static_cast<WiiPartition*>(m_tree_ctrl->GetItemData(item));
-      ExtractPartition(WxStrToStr(extract_path), *partition->filesystem);
+      const std::optional<u32> partition_type =
+          *m_opened_iso->GetPartitionType(partition->filesystem->GetPartition());
+      if (partition_type)
+      {
+        const std::string partition_name = DiscIO::DirectoryNameForPartitionType(*partition_type);
+        ExtractPartition(std_extract_path + '/' + partition_name, *partition->filesystem);
+      }
       item = m_tree_ctrl->GetNextChild(root, cookie);
     }
   }
   else if (m_has_partitions && !first_item_selected)
   {
     const auto* const partition = static_cast<WiiPartition*>(m_tree_ctrl->GetItemData(selection));
-    ExtractPartition(WxStrToStr(extract_path), *partition->filesystem);
+    ExtractPartition(std_extract_path, *partition->filesystem);
   }
   else
   {
-    ExtractPartition(WxStrToStr(extract_path), *m_filesystem);
+    ExtractPartition(std_extract_path, *m_filesystem);
   }
 }