Persist title-specific profile content

src/xenia/kernel/xam/user_profile.h

@@ -25,7 +25,7 @@ class UserProfile {
  public:
   struct Setting {
     enum class Type {
-      UNKNOWN = 0,
+      CONTENT = 0,
       INT32 = 1,
       INT64 = 2,
       DOUBLE = 3,
@@ -48,8 +48,13 @@ class UserProfile {
     Type type;
     size_t size;
     bool is_set;
+    uint32_t loaded_title_id;
     Setting(uint32_t setting_id, Type type, size_t size, bool is_set)
-        : setting_id(setting_id), type(type), size(size), is_set(is_set) {}
+        : setting_id(setting_id),
+          type(type),
+          size(size),
+          is_set(is_set),
+          loaded_title_id(0) {}
     virtual size_t extra_size() const { return 0; }
     virtual size_t Append(uint8_t* user_data, uint8_t* buffer,
                           uint32_t buffer_ptr, size_t buffer_offset) {
@@ -57,6 +62,10 @@ class UserProfile {
                                   static_cast<uint8_t>(type));
       return buffer_offset;
     }
+    virtual std::vector<uint8_t> Serialize() const {
+      return std::vector<uint8_t>();
+    }
+    virtual void Deserialize(std::vector<uint8_t>) {}
     bool is_title_specific() const { return (setting_id & 0x3F00) == 0x3F00; }
 
    protected:
@@ -167,6 +176,13 @@ class UserProfile {
       }
       return buffer_offset + length;
     }
+    std::vector<uint8_t> Serialize() const override {
+      return std::vector<uint8_t>(value.data(), value.data() + value.size());
+    }
+    void Deserialize(std::vector<uint8_t> data) override {
+      value = data;
+      is_set = true;
+    }
   };
   struct DateTimeSetting : public Setting {
     DateTimeSetting(uint32_t setting_id, int64_t value)
@@ -195,6 +211,9 @@ class UserProfile {
   std::string name_;
   std::vector<std::unique_ptr<Setting>> setting_list_;
   std::unordered_map<uint32_t, Setting*> settings_;
+
+  void LoadSetting(UserProfile::Setting*);
+  void SaveSetting(UserProfile::Setting*);
 };
 
 }  // namespace xam