[Emulator] Install Content: Create header for installed packages

This fixes support for certain DLCs

src/xenia/emulator.cc

@@ -370,6 +370,10 @@ X_STATUS Emulator::InstallContentPackage(const std::filesystem::path& path) {
       content_root() / fmt::format("{:08X}", device->title_id()) /
       fmt::format("{:08X}", device->content_type()) / path.filename();
 
+  std::filesystem::path header_path =
+      content_root() / fmt::format("{:08X}", device->title_id()) / "Headers" /
+      fmt::format("{:08X}", device->content_type()) / path.filename();
+
   if (std::filesystem::exists(installation_path)) {
     // TODO(Gliniak): Popup
     // Do you want to overwrite already existing data?
@@ -380,7 +384,11 @@ X_STATUS Emulator::InstallContentPackage(const std::filesystem::path& path) {
       return error_code.value();
     }
   }
-  return vfs::VirtualFileSystem::ExtractFiles(device.get(), installation_path);
+
+  vfs::VirtualFileSystem::ExtractContentHeader(device.get(), header_path);
+
+  return vfs::VirtualFileSystem::ExtractContentFiles(device.get(),
+                                                     installation_path);
 }
 
 void Emulator::Pause() {

src/xenia/kernel/xam/content_manager.cc

@@ -144,7 +144,7 @@ bool ContentManager::ContentExists(const XCONTENT_AGGREGATE_DATA& data) {
 
 X_RESULT ContentManager::WriteContentHeaderFile(
     const XCONTENT_AGGREGATE_DATA* data) {
-  auto title_id = fmt::format("{:8X}", kernel_state_->title_id());
+  auto title_id = fmt::format("{:08X}", kernel_state_->title_id());
   auto content_type =
       fmt::format("{:08X}", load_and_swap<uint32_t>(&data->content_type));
   auto header_path =

src/xenia/vfs/devices/stfs_container_device.cc

@@ -856,5 +856,31 @@ bool StfsContainerDevice::ResolveFromFolder(const std::filesystem::path& path) {
   return true;
 }
 
+kernel::xam::XCONTENT_AGGREGATE_DATA StfsContainerDevice::content_header() const {
+  kernel::xam::XCONTENT_AGGREGATE_DATA data;
+
+  std::memset(&data, 0, sizeof(kernel::xam::XCONTENT_AGGREGATE_DATA));
+
+  data.device_id = 1;
+  data.title_id = header_.metadata.execution_info.title_id;
+  data.content_type = header_.metadata.content_type;
+
+  auto name = header_.metadata.display_name(XLanguage::kEnglish);
+  if (name.empty()) {
+    // Find first filled language and use it. It might be incorrect, but meh
+    // until stfs support is done.
+    for (uint8_t i = 0; i < header_.metadata.kNumLanguagesV2; i++) {
+      name = header_.metadata.display_name((XLanguage)i);
+      if (!name.empty()) {
+        break;
+      }
+    }
+  }
+
+  data.set_display_name(name);
+
+  return data;
+}
+
 }  // namespace vfs
 }  // namespace xe

src/xenia/vfs/devices/stfs_container_device.h

@@ -18,6 +18,7 @@
 #include "xenia/base/math.h"
 #include "xenia/base/string_util.h"
 #include "xenia/kernel/util/xex2_info.h"
+#include "xenia/kernel/xam/content_manager.h"
 #include "xenia/vfs/device.h"
 #include "xenia/vfs/devices/stfs_xbox.h"
 
@@ -86,6 +87,8 @@ class StfsContainerDevice : public Device {
   uint32_t title_id() const { return header_.metadata.execution_info.title_id; }
   XContentType content_type() const { return header_.metadata.content_type; }
 
+  kernel::xam::XCONTENT_AGGREGATE_DATA content_header() const;
+
  private:
   const uint32_t kBlocksPerHashLevel[3] = {170, 28900, 4913000};
   const uint32_t kEndOfChain = 0xFFFFFF;

src/xenia/vfs/vfs_dump.cc

@@ -45,7 +45,7 @@ int vfs_dump_main(const std::vector<std::string>& args) {
     XELOGE("Failed to initialize device");
     return 1;
   }
-  return VirtualFileSystem::ExtractFiles(device.get(), base_path);
+  return VirtualFileSystem::ExtractContentFiles(device.get(), base_path);
 }
 
 }  // namespace vfs

src/xenia/vfs/virtual_file_system.cc

@@ -8,6 +8,8 @@
  */
 
 #include "xenia/vfs/virtual_file_system.h"
+#include "xenia/kernel/xam/content_manager.h"
+#include "xenia/vfs/devices/stfs_container_device.h"
 
 #include "xenia/base/literals.h"
 #include "xenia/base/logging.h"
@@ -310,8 +312,8 @@ X_STATUS VirtualFileSystem::OpenFile(Entry* root_entry,
   return result;
 }
 
-X_STATUS VirtualFileSystem::ExtractFiles(Device* device,
-                                    std::filesystem::path base_path) {
+X_STATUS VirtualFileSystem::ExtractContentFiles(
+    Device* device, std::filesystem::path base_path) {
   // Run through all the files, breadth-first style.
   std::queue<vfs::Entry*> queue;
   auto root = device->ResolvePath("/");
@@ -382,5 +384,28 @@ X_STATUS VirtualFileSystem::ExtractFiles(Device* device,
 
   return X_STATUS_SUCCESS;
 }
+
+void VirtualFileSystem::ExtractContentHeader(Device* device,
+                                             std::filesystem::path base_path) {
+  auto stfs_device = ((StfsContainerDevice*)device);
+
+  if (!std::filesystem::exists(base_path.parent_path())) {
+    if (!std::filesystem::create_directories(base_path.parent_path())) {
+      return;
+    }
+  }
+  auto header_filename = base_path.filename().string() + ".header";
+  auto header_path = base_path.parent_path() / header_filename;
+  xe::filesystem::CreateEmptyFile(header_path);
+
+  if (std::filesystem::exists(header_path)) {
+    auto file = xe::filesystem::OpenFile(header_path, "wb");
+    kernel::xam::XCONTENT_AGGREGATE_DATA data = stfs_device->content_header();
+    data.set_file_name(base_path.filename().string());
+    fwrite(&data, 1, sizeof(kernel::xam::XCONTENT_AGGREGATE_DATA), file);
+    fclose(file);
+  }
+  return;
+}
 }  // namespace vfs
 }  // namespace xe

src/xenia/vfs/virtual_file_system.h

@@ -47,7 +47,11 @@ class VirtualFileSystem {
                     bool is_non_directory, File** out_file,
                     FileAction* out_action);
 
-  static X_STATUS ExtractFiles(Device* device, std::filesystem::path base_path);
+  static X_STATUS ExtractContentFiles(Device* device,
+                                      std::filesystem::path base_path);
+  static void ExtractContentHeader(Device* device,
+                                   std::filesystem::path base_path);
+
  private:
   xe::global_critical_region global_critical_region_;
   std::vector<std::unique_ptr<Device>> devices_;