5 files changed, 730 insertions, 246 deletions

diff --git a/src/core/hle/service/mii/mii_manager.cpp b/src/core/hle/service/mii/mii_manager.cpp
index 9ae7fb960..3483d95e5 100644
--- a/src/core/hle/service/mii/mii_manager.cpp
+++ b/src/core/hle/service/mii/mii_manager.cpp
@@ -90,256 +90,21 @@ CharInfo ConvertStoreDataToInfo(const StoreData& data) {
 }
 
 StoreData BuildRandomStoreData(Age age, Gender gender, Race race, const Common::UUID& user_id) {
-    StoreDataBitFields bf{};
+    CoreData core_data{};
+    core_data.BuildRandom(age, gender, race);
 
-    if (gender == Gender::All) {
-        gender = MiiUtil::GetRandomValue<Gender>(Gender::Maximum);
-    }
-
-    bf.gender.Assign(gender);
-    bf.favorite_color.Assign(MiiUtil::GetRandomValue<u8>(11));
-    bf.region_move.Assign(0);
-    bf.font_region.Assign(FontRegion::Standard);
-    bf.type.Assign(0);
-    bf.height.Assign(64);
-    bf.build.Assign(64);
-
-    if (age == Age::All) {
-        const auto temp{MiiUtil::GetRandomValue<int>(10)};
-        if (temp >= 8) {
-            age = Age::Old;
-        } else if (temp >= 4) {
-            age = Age::Normal;
-        } else {
-            age = Age::Young;
-        }
-    }
-
-    if (race == Race::All) {
-        const auto temp{MiiUtil::GetRandomValue<int>(10)};
-        if (temp >= 8) {
-            race = Race::Black;
-        } else if (temp >= 4) {
-            race = Race::White;
-        } else {
-            race = Race::Asian;
-        }
-    }
-
-    u32 axis_y{};
-    if (gender == Gender::Female && age == Age::Young) {
-        axis_y = MiiUtil::GetRandomValue<u32>(3);
-    }
-
-    const std::size_t index{3 * static_cast<std::size_t>(age) +
-                            9 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race)};
-
-    const auto& faceline_type_info{RawData::RandomMiiFaceline.at(index)};
-    const auto& faceline_color_info{RawData::RandomMiiFacelineColor.at(
-        3 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race))};
-    const auto& faceline_wrinkle_info{RawData::RandomMiiFacelineWrinkle.at(index)};
-    const auto& faceline_makeup_info{RawData::RandomMiiFacelineMakeup.at(index)};
-    const auto& hair_type_info{RawData::RandomMiiHairType.at(index)};
-    const auto& hair_color_info{RawData::RandomMiiHairColor.at(3 * static_cast<std::size_t>(race) +
-                                                               static_cast<std::size_t>(age))};
-    const auto& eye_type_info{RawData::RandomMiiEyeType.at(index)};
-    const auto& eye_color_info{RawData::RandomMiiEyeColor.at(static_cast<std::size_t>(race))};
-    const auto& eyebrow_type_info{RawData::RandomMiiEyebrowType.at(index)};
-    const auto& nose_type_info{RawData::RandomMiiNoseType.at(index)};
-    const auto& mouth_type_info{RawData::RandomMiiMouthType.at(index)};
-    const auto& glasses_type_info{RawData::RandomMiiGlassType.at(static_cast<std::size_t>(age))};
-
-    bf.faceline_type.Assign(
-        faceline_type_info
-            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_type_info.values_count)]);
-    bf.faceline_color.Assign(
-        faceline_color_info
-            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_color_info.values_count)]);
-    bf.faceline_wrinkle.Assign(
-        faceline_wrinkle_info
-            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_wrinkle_info.values_count)]);
-    bf.faceline_makeup.Assign(
-        faceline_makeup_info
-            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_makeup_info.values_count)]);
-
-    bf.hair_type.Assign(
-        hair_type_info.values[MiiUtil::GetRandomValue<std::size_t>(hair_type_info.values_count)]);
-    bf.hair_color.Assign(RawData::GetHairColorFromVer3(
-        hair_color_info
-            .values[MiiUtil::GetRandomValue<std::size_t>(hair_color_info.values_count)]));
-    bf.hair_flip.Assign(MiiUtil::GetRandomValue<HairFlip>(HairFlip::Maximum));
-
-    bf.eye_type.Assign(
-        eye_type_info.values[MiiUtil::GetRandomValue<std::size_t>(eye_type_info.values_count)]);
-
-    const auto eye_rotate_1{gender != Gender::Male ? 4 : 2};
-    const auto eye_rotate_2{gender != Gender::Male ? 3 : 4};
-    const auto eye_rotate_offset{32 - RawData::EyeRotateLookup[eye_rotate_1] + eye_rotate_2};
-    const auto eye_rotate{32 - RawData::EyeRotateLookup[bf.eye_type]};
-
-    bf.eye_color.Assign(RawData::GetEyeColorFromVer3(
-        eye_color_info.values[MiiUtil::GetRandomValue<std::size_t>(eye_color_info.values_count)]));
-    bf.eye_scale.Assign(4);
-    bf.eye_aspect.Assign(3);
-    bf.eye_rotate.Assign(eye_rotate_offset - eye_rotate);
-    bf.eye_x.Assign(2);
-    bf.eye_y.Assign(axis_y + 12);
-
-    bf.eyebrow_type.Assign(
-        eyebrow_type_info
-            .values[MiiUtil::GetRandomValue<std::size_t>(eyebrow_type_info.values_count)]);
-
-    const auto eyebrow_rotate_1{race == Race::Asian ? 6 : 0};
-    const auto eyebrow_y{race == Race::Asian ? 9 : 10};
-    const auto eyebrow_rotate_offset{32 - RawData::EyebrowRotateLookup[eyebrow_rotate_1] + 6};
-    const auto eyebrow_rotate{
-        32 - RawData::EyebrowRotateLookup[static_cast<std::size_t>(bf.eyebrow_type.Value())]};
-
-    bf.eyebrow_color.Assign(bf.hair_color);
-    bf.eyebrow_scale.Assign(4);
-    bf.eyebrow_aspect.Assign(3);
-    bf.eyebrow_rotate.Assign(eyebrow_rotate_offset - eyebrow_rotate);
-    bf.eyebrow_x.Assign(2);
-    bf.eyebrow_y.Assign(axis_y + eyebrow_y);
-
-    const auto nose_scale{gender == Gender::Female ? 3 : 4};
-
-    bf.nose_type.Assign(
-        nose_type_info.values[MiiUtil::GetRandomValue<std::size_t>(nose_type_info.values_count)]);
-    bf.nose_scale.Assign(nose_scale);
-    bf.nose_y.Assign(axis_y + 9);
-
-    const auto mouth_color{gender == Gender::Female ? MiiUtil::GetRandomValue<int>(4) : 0};
-
-    bf.mouth_type.Assign(
-        mouth_type_info.values[MiiUtil::GetRandomValue<std::size_t>(mouth_type_info.values_count)]);
-    bf.mouth_color.Assign(RawData::GetMouthColorFromVer3(mouth_color));
-    bf.mouth_scale.Assign(4);
-    bf.mouth_aspect.Assign(3);
-    bf.mouth_y.Assign(axis_y + 13);
-
-    bf.beard_color.Assign(bf.hair_color);
-    bf.mustache_scale.Assign(4);
-
-    if (gender == Gender::Male && age != Age::Young && MiiUtil::GetRandomValue<int>(10) < 2) {
-        const auto mustache_and_beard_flag{
-            MiiUtil::GetRandomValue<BeardAndMustacheFlag>(BeardAndMustacheFlag::All)};
-
-        auto beard_type{BeardType::None};
-        auto mustache_type{MustacheType::None};
-
-        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Beard) ==
-            BeardAndMustacheFlag::Beard) {
-            beard_type = MiiUtil::GetRandomValue<BeardType>(BeardType::Beard1, BeardType::Beard5);
-        }
-
-        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Mustache) ==
-            BeardAndMustacheFlag::Mustache) {
-            mustache_type = MiiUtil::GetRandomValue<MustacheType>(MustacheType::Mustache1,
-                                                                  MustacheType::Mustache5);
-        }
-
-        bf.mustache_type.Assign(mustache_type);
-        bf.beard_type.Assign(beard_type);
-        bf.mustache_y.Assign(10);
-    } else {
-        bf.mustache_type.Assign(MustacheType::None);
-        bf.beard_type.Assign(BeardType::None);
-        bf.mustache_y.Assign(axis_y + 10);
-    }
-
-    const auto glasses_type_start{MiiUtil::GetRandomValue<std::size_t>(100)};
-    u8 glasses_type{};
-    while (glasses_type_start < glasses_type_info.values[glasses_type]) {
-        if (++glasses_type >= glasses_type_info.values_count) {
-            ASSERT(false);
-            break;
-        }
-    }
-
-    bf.glasses_type.Assign(glasses_type);
-    bf.glasses_color.Assign(RawData::GetGlassColorFromVer3(0));
-    bf.glasses_scale.Assign(4);
-    bf.glasses_y.Assign(axis_y + 10);
-
-    bf.mole_type.Assign(0);
-    bf.mole_scale.Assign(4);
-    bf.mole_x.Assign(2);
-    bf.mole_y.Assign(20);
-
-    return {DefaultMiiName, bf, user_id};
+    return {DefaultMiiName, core_data.data, user_id};
 }
 
 StoreData BuildDefaultStoreData(const DefaultMii& info, const Common::UUID& user_id) {
-    StoreDataBitFields bf{};
-
-    bf.font_region.Assign(info.font_region);
-    bf.favorite_color.Assign(info.favorite_color);
-    bf.gender.Assign(info.gender);
-    bf.height.Assign(info.height);
-    bf.build.Assign(info.weight);
-    bf.type.Assign(info.type);
-    bf.region_move.Assign(info.region_move);
-    bf.faceline_type.Assign(info.face_type);
-    bf.faceline_color.Assign(info.face_color);
-    bf.faceline_wrinkle.Assign(info.face_wrinkle);
-    bf.faceline_makeup.Assign(info.face_makeup);
-    bf.hair_type.Assign(info.hair_type);
-    bf.hair_color.Assign(RawData::GetHairColorFromVer3(info.hair_color));
-    bf.hair_flip.Assign(static_cast<HairFlip>(info.hair_flip));
-    bf.eye_type.Assign(info.eye_type);
-    bf.eye_color.Assign(RawData::GetEyeColorFromVer3(info.eye_color));
-    bf.eye_scale.Assign(info.eye_scale);
-    bf.eye_aspect.Assign(info.eye_aspect);
-    bf.eye_rotate.Assign(info.eye_rotate);
-    bf.eye_x.Assign(info.eye_x);
-    bf.eye_y.Assign(info.eye_y);
-    bf.eyebrow_type.Assign(info.eyebrow_type);
-    bf.eyebrow_color.Assign(RawData::GetHairColorFromVer3(info.eyebrow_color));
-    bf.eyebrow_scale.Assign(info.eyebrow_scale);
-    bf.eyebrow_aspect.Assign(info.eyebrow_aspect);
-    bf.eyebrow_rotate.Assign(info.eyebrow_rotate);
-    bf.eyebrow_x.Assign(info.eyebrow_x);
-    bf.eyebrow_y.Assign(info.eyebrow_y - 3);
-    bf.nose_type.Assign(info.nose_type);
-    bf.nose_scale.Assign(info.nose_scale);
-    bf.nose_y.Assign(info.nose_y);
-    bf.mouth_type.Assign(info.mouth_type);
-    bf.mouth_color.Assign(RawData::GetMouthColorFromVer3(info.mouth_color));
-    bf.mouth_scale.Assign(info.mouth_scale);
-    bf.mouth_aspect.Assign(info.mouth_aspect);
-    bf.mouth_y.Assign(info.mouth_y);
-    bf.beard_color.Assign(RawData::GetHairColorFromVer3(info.beard_color));
-    bf.beard_type.Assign(static_cast<BeardType>(info.beard_type));
-    bf.mustache_type.Assign(static_cast<MustacheType>(info.mustache_type));
-    bf.mustache_scale.Assign(info.mustache_scale);
-    bf.mustache_y.Assign(info.mustache_y);
-    bf.glasses_type.Assign(info.glasses_type);
-    bf.glasses_color.Assign(RawData::GetGlassColorFromVer3(static_cast<u8>(info.glasses_color)));
-    bf.glasses_scale.Assign(info.glasses_scale);
-    bf.glasses_y.Assign(info.glasses_y);
-    bf.mole_type.Assign(info.mole_type);
-    bf.mole_scale.Assign(info.mole_scale);
-    bf.mole_x.Assign(info.mole_x);
-    bf.mole_y.Assign(info.mole_y);
-
-    return {DefaultMiiName, bf, user_id};
+    CoreData core_data{};
+    core_data.SetDefault();
+
+    return {DefaultMiiName, core_data.data, user_id};
 }
 
 } // namespace
 
-StoreData::StoreData() = default;
-
-StoreData::StoreData(const Nickname& name, const StoreDataBitFields& bit_fields,
-                     const Common::UUID& user_id) {
-    core_data.name = name;
-    create_id = Common::UUID::MakeRandomRFC4122V4();
-
-    core_data.data = bit_fields;
-    data_crc = MiiUtil::CalculateCrc16(&core_data.data, sizeof(core_data.data));
-    device_crc = MiiUtil::CalculateCrc16(&user_id, sizeof(Common::UUID));
-}
-
 MiiManager::MiiManager() : user_id{Service::Account::ProfileManager().GetLastOpenedUser()} {}
 
 bool MiiManager::CheckAndResetUpdateCounter(SourceFlag source_flag, u64& current_update_counter) {
diff --git a/src/core/hle/service/mii/types/core_data.cpp b/src/core/hle/service/mii/types/core_data.cpp
index a7b12ad8d..76c57fff2 100644
--- a/src/core/hle/service/mii/types/core_data.cpp
+++ b/src/core/hle/service/mii/types/core_data.cpp
@@ -1,6 +1,601 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/hle/service/mii/mii_util.h"
 #include "core/hle/service/mii/types/core_data.h"
+#include "core/hle/service/mii/types/raw_data.h"
 
-namespace Service::Mii {} // namespace Service::Mii
+namespace Service::Mii {
+
+void CoreData::SetDefault() {
+    data = {};
+    name = GetDefaultNickname();
+}
+
+void CoreData::BuildRandom(Age age, Gender gender, Race race) {
+    if (gender == Gender::All) {
+        gender = MiiUtil::GetRandomValue<Gender>(Gender::Maximum);
+    }
+
+    data.gender.Assign(gender);
+    data.favorite_color.Assign(MiiUtil::GetRandomValue<u8>(11));
+    data.region_move.Assign(0);
+    data.font_region.Assign(FontRegion::Standard);
+    data.type.Assign(0);
+    data.height.Assign(64);
+    data.build.Assign(64);
+
+    if (age == Age::All) {
+        const auto temp{MiiUtil::GetRandomValue<int>(10)};
+        if (temp >= 8) {
+            age = Age::Old;
+        } else if (temp >= 4) {
+            age = Age::Normal;
+        } else {
+            age = Age::Young;
+        }
+    }
+
+    if (race == Race::All) {
+        const auto temp{MiiUtil::GetRandomValue<int>(10)};
+        if (temp >= 8) {
+            race = Race::Black;
+        } else if (temp >= 4) {
+            race = Race::White;
+        } else {
+            race = Race::Asian;
+        }
+    }
+
+    u32 axis_y{};
+    if (gender == Gender::Female && age == Age::Young) {
+        axis_y = MiiUtil::GetRandomValue<u32>(3);
+    }
+
+    const std::size_t index{3 * static_cast<std::size_t>(age) +
+                            9 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race)};
+
+    const auto& faceline_type_info{RawData::RandomMiiFaceline.at(index)};
+    const auto& faceline_color_info{RawData::RandomMiiFacelineColor.at(
+        3 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race))};
+    const auto& faceline_wrinkle_info{RawData::RandomMiiFacelineWrinkle.at(index)};
+    const auto& faceline_makeup_info{RawData::RandomMiiFacelineMakeup.at(index)};
+    const auto& hair_type_info{RawData::RandomMiiHairType.at(index)};
+    const auto& hair_color_info{RawData::RandomMiiHairColor.at(3 * static_cast<std::size_t>(race) +
+                                                               static_cast<std::size_t>(age))};
+    const auto& eye_type_info{RawData::RandomMiiEyeType.at(index)};
+    const auto& eye_color_info{RawData::RandomMiiEyeColor.at(static_cast<std::size_t>(race))};
+    const auto& eyebrow_type_info{RawData::RandomMiiEyebrowType.at(index)};
+    const auto& nose_type_info{RawData::RandomMiiNoseType.at(index)};
+    const auto& mouth_type_info{RawData::RandomMiiMouthType.at(index)};
+    const auto& glasses_type_info{RawData::RandomMiiGlassType.at(static_cast<std::size_t>(age))};
+
+    data.faceline_type.Assign(
+        faceline_type_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_type_info.values_count)]);
+    data.faceline_color.Assign(
+        faceline_color_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_color_info.values_count)]);
+    data.faceline_wrinkle.Assign(
+        faceline_wrinkle_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_wrinkle_info.values_count)]);
+    data.faceline_makeup.Assign(
+        faceline_makeup_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_makeup_info.values_count)]);
+
+    data.hair_type.Assign(
+        hair_type_info.values[MiiUtil::GetRandomValue<std::size_t>(hair_type_info.values_count)]);
+    data.hair_color.Assign(RawData::GetHairColorFromVer3(
+        hair_color_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(hair_color_info.values_count)]));
+    data.hair_flip.Assign(MiiUtil::GetRandomValue<HairFlip>(HairFlip::Maximum));
+
+    data.eye_type.Assign(
+        eye_type_info.values[MiiUtil::GetRandomValue<std::size_t>(eye_type_info.values_count)]);
+
+    const auto eye_rotate_1{gender != Gender::Male ? 4 : 2};
+    const auto eye_rotate_2{gender != Gender::Male ? 3 : 4};
+    const auto eye_rotate_offset{32 - RawData::EyeRotateLookup[eye_rotate_1] + eye_rotate_2};
+    const auto eye_rotate{32 - RawData::EyeRotateLookup[data.eye_type]};
+
+    data.eye_color.Assign(RawData::GetEyeColorFromVer3(
+        eye_color_info.values[MiiUtil::GetRandomValue<std::size_t>(eye_color_info.values_count)]));
+    data.eye_scale.Assign(4);
+    data.eye_aspect.Assign(3);
+    data.eye_rotate.Assign(eye_rotate_offset - eye_rotate);
+    data.eye_x.Assign(2);
+    data.eye_y.Assign(axis_y + 12);
+
+    data.eyebrow_type.Assign(
+        eyebrow_type_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(eyebrow_type_info.values_count)]);
+
+    const auto eyebrow_rotate_1{race == Race::Asian ? 6 : 0};
+    const auto eyebrow_y{race == Race::Asian ? 9 : 10};
+    const auto eyebrow_rotate_offset{32 - RawData::EyebrowRotateLookup[eyebrow_rotate_1] + 6};
+    const auto eyebrow_rotate{
+        32 - RawData::EyebrowRotateLookup[static_cast<std::size_t>(data.eyebrow_type.Value())]};
+
+    data.eyebrow_color.Assign(data.hair_color);
+    data.eyebrow_scale.Assign(4);
+    data.eyebrow_aspect.Assign(3);
+    data.eyebrow_rotate.Assign(eyebrow_rotate_offset - eyebrow_rotate);
+    data.eyebrow_x.Assign(2);
+    data.eyebrow_y.Assign(axis_y + eyebrow_y);
+
+    const auto nose_scale{gender == Gender::Female ? 3 : 4};
+
+    data.nose_type.Assign(
+        nose_type_info.values[MiiUtil::GetRandomValue<std::size_t>(nose_type_info.values_count)]);
+    data.nose_scale.Assign(nose_scale);
+    data.nose_y.Assign(axis_y + 9);
+
+    const auto mouth_color{gender == Gender::Female ? MiiUtil::GetRandomValue<int>(4) : 0};
+
+    data.mouth_type.Assign(
+        mouth_type_info.values[MiiUtil::GetRandomValue<std::size_t>(mouth_type_info.values_count)]);
+    data.mouth_color.Assign(RawData::GetMouthColorFromVer3(mouth_color));
+    data.mouth_scale.Assign(4);
+    data.mouth_aspect.Assign(3);
+    data.mouth_y.Assign(axis_y + 13);
+
+    data.beard_color.Assign(data.hair_color);
+    data.mustache_scale.Assign(4);
+
+    if (gender == Gender::Male && age != Age::Young && MiiUtil::GetRandomValue<int>(10) < 2) {
+        const auto mustache_and_beard_flag{
+            MiiUtil::GetRandomValue<BeardAndMustacheFlag>(BeardAndMustacheFlag::All)};
+
+        auto beard_type{BeardType::None};
+        auto mustache_type{MustacheType::None};
+
+        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Beard) ==
+            BeardAndMustacheFlag::Beard) {
+            beard_type = MiiUtil::GetRandomValue<BeardType>(BeardType::Beard1, BeardType::Beard5);
+        }
+
+        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Mustache) ==
+            BeardAndMustacheFlag::Mustache) {
+            mustache_type = MiiUtil::GetRandomValue<MustacheType>(MustacheType::Mustache1,
+                                                                  MustacheType::Mustache5);
+        }
+
+        data.mustache_type.Assign(mustache_type);
+        data.beard_type.Assign(beard_type);
+        data.mustache_y.Assign(10);
+    } else {
+        data.mustache_type.Assign(MustacheType::None);
+        data.beard_type.Assign(BeardType::None);
+        data.mustache_y.Assign(axis_y + 10);
+    }
+
+    const auto glasses_type_start{MiiUtil::GetRandomValue<std::size_t>(100)};
+    u8 glasses_type{};
+    while (glasses_type_start < glasses_type_info.values[glasses_type]) {
+        if (++glasses_type >= glasses_type_info.values_count) {
+            ASSERT(false);
+            break;
+        }
+    }
+
+    data.glasses_type.Assign(glasses_type);
+    data.glasses_color.Assign(RawData::GetGlassColorFromVer3(0));
+    data.glasses_scale.Assign(4);
+    data.glasses_y.Assign(axis_y + 10);
+
+    data.mole_type.Assign(0);
+    data.mole_scale.Assign(4);
+    data.mole_x.Assign(2);
+    data.mole_y.Assign(20);
+}
+
+u32 CoreData::IsValid() const {
+    // TODO: Complete this
+    return 0;
+}
+
+void CoreData::SetFontRegion(FontRegion value) {
+    data.font_region.Assign(value);
+}
+
+void CoreData::SetFavoriteColor(u8 value) {
+    data.favorite_color.Assign(value);
+}
+
+void CoreData::SetGender(Gender value) {
+    data.gender.Assign(value);
+}
+
+void CoreData::SetHeight(u8 value) {
+    data.height.Assign(value);
+}
+
+void CoreData::SetBuild(u8 value) {
+    data.build.Assign(value);
+}
+
+void CoreData::SetType(u8 value) {
+    data.type.Assign(value);
+}
+
+void CoreData::SetRegionMove(u8 value) {
+    data.region_move.Assign(value);
+}
+
+void CoreData::SetFacelineType(u8 value) {
+    data.faceline_type.Assign(value);
+}
+
+void CoreData::SetFacelineColor(u8 value) {
+    data.faceline_color.Assign(value);
+}
+
+void CoreData::SetFacelineWrinkle(u8 value) {
+    data.faceline_wrinkle.Assign(value);
+}
+
+void CoreData::SetFacelineMake(u8 value) {
+    data.faceline_makeup.Assign(value);
+}
+
+void CoreData::SetHairType(u8 value) {
+    data.hair_type.Assign(value);
+}
+
+void CoreData::SetHairColor(u8 value) {
+    data.hair_color.Assign(value);
+}
+
+void CoreData::SetHairFlip(HairFlip value) {
+    data.hair_flip.Assign(value);
+}
+
+void CoreData::SetEyeType(u8 value) {
+    data.eye_type.Assign(value);
+}
+
+void CoreData::SetEyeColor(u8 value) {
+    data.eye_color.Assign(value);
+}
+
+void CoreData::SetEyeScale(u8 value) {
+    data.eye_scale.Assign(value);
+}
+
+void CoreData::SetEyeAspect(u8 value) {
+    data.eye_aspect.Assign(value);
+}
+
+void CoreData::SetEyeRotate(u8 value) {
+    data.eye_rotate.Assign(value);
+}
+
+void CoreData::SetEyeX(u8 value) {
+    data.eye_x.Assign(value);
+}
+
+void CoreData::SetEyeY(u8 value) {
+    data.eye_y.Assign(value);
+}
+
+void CoreData::SetEyebrowType(u8 value) {
+    data.eyebrow_type.Assign(value);
+}
+
+void CoreData::SetEyebrowColor(u8 value) {
+    data.eyebrow_color.Assign(value);
+}
+
+void CoreData::SetEyebrowScale(u8 value) {
+    data.eyebrow_scale.Assign(value);
+}
+
+void CoreData::SetEyebrowAspect(u8 value) {
+    data.eyebrow_aspect.Assign(value);
+}
+
+void CoreData::SetEyebrowRotate(u8 value) {
+    data.eyebrow_rotate.Assign(value);
+}
+
+void CoreData::SetEyebrowX(u8 value) {
+    data.eyebrow_x.Assign(value);
+}
+
+void CoreData::SetEyebrowY(u8 value) {
+    data.eyebrow_y.Assign(value);
+}
+
+void CoreData::SetNoseType(u8 value) {
+    data.nose_type.Assign(value);
+}
+
+void CoreData::SetNoseScale(u8 value) {
+    data.nose_scale.Assign(value);
+}
+
+void CoreData::SetNoseY(u8 value) {
+    data.nose_y.Assign(value);
+}
+
+void CoreData::SetMouthType(u8 value) {
+    data.mouth_type.Assign(value);
+}
+
+void CoreData::SetMouthColor(u8 value) {
+    data.mouth_color.Assign(value);
+}
+
+void CoreData::SetMouthScale(u8 value) {
+    data.mouth_scale.Assign(value);
+}
+
+void CoreData::SetMouthAspect(u8 value) {
+    data.mouth_aspect.Assign(value);
+}
+
+void CoreData::SetMouthY(u8 value) {
+    data.mouth_y.Assign(value);
+}
+
+void CoreData::SetBeardColor(u8 value) {
+    data.beard_color.Assign(value);
+}
+
+void CoreData::SetBeardType(BeardType value) {
+    data.beard_type.Assign(value);
+}
+
+void CoreData::SetMustacheType(MustacheType value) {
+    data.mustache_type.Assign(value);
+}
+
+void CoreData::SetMustacheScale(u8 value) {
+    data.mustache_scale.Assign(value);
+}
+
+void CoreData::SetMustacheY(u8 value) {
+    data.mustache_y.Assign(value);
+}
+
+void CoreData::SetGlassType(u8 value) {
+    data.glasses_type.Assign(value);
+}
+
+void CoreData::SetGlassColor(u8 value) {
+    data.glasses_color.Assign(value);
+}
+
+void CoreData::SetGlassScale(u8 value) {
+    data.glasses_scale.Assign(value);
+}
+
+void CoreData::SetGlassY(u8 value) {
+    data.glasses_y.Assign(value);
+}
+
+void CoreData::SetMoleType(u8 value) {
+    data.mole_type.Assign(value);
+}
+
+void CoreData::SetMoleScale(u8 value) {
+    data.mole_scale.Assign(value);
+}
+
+void CoreData::SetMoleX(u8 value) {
+    data.mole_x.Assign(value);
+}
+
+void CoreData::SetMoleY(u8 value) {
+    data.mole_y.Assign(value);
+}
+
+void CoreData::SetNickname(Nickname nickname) {
+    name = nickname;
+}
+
+u8 CoreData::GetFavoriteColor() const {
+    return static_cast<u8>(data.favorite_color.Value());
+}
+
+u8 CoreData::GetGender() const {
+    return static_cast<u8>(data.gender.Value());
+}
+
+u8 CoreData::GetHeight() const {
+    return static_cast<u8>(data.height.Value());
+}
+
+u8 CoreData::GetBuild() const {
+    return static_cast<u8>(data.build.Value());
+}
+
+u8 CoreData::GetType() const {
+    return static_cast<u8>(data.type.Value());
+}
+
+u8 CoreData::GetRegionMove() const {
+    return static_cast<u8>(data.region_move.Value());
+}
+
+u8 CoreData::GetFacelineType() const {
+    return static_cast<u8>(data.faceline_type.Value());
+}
+
+u8 CoreData::GetFacelineColor() const {
+    return static_cast<u8>(data.faceline_color.Value());
+}
+
+u8 CoreData::GetFacelineWrinkle() const {
+    return static_cast<u8>(data.faceline_wrinkle.Value());
+}
+
+u8 CoreData::GetFacelineMake() const {
+    return static_cast<u8>(data.faceline_makeup.Value());
+}
+
+u8 CoreData::GetHairType() const {
+    return static_cast<u8>(data.hair_type.Value());
+}
+
+u8 CoreData::GetHairColor() const {
+    return static_cast<u8>(data.hair_color.Value());
+}
+
+u8 CoreData::GetHairFlip() const {
+    return static_cast<u8>(data.hair_flip.Value());
+}
+
+u8 CoreData::GetEyeType() const {
+    return static_cast<u8>(data.eye_type.Value());
+}
+
+u8 CoreData::GetEyeColor() const {
+    return static_cast<u8>(data.eye_color.Value());
+}
+
+u8 CoreData::GetEyeScale() const {
+    return static_cast<u8>(data.eye_scale.Value());
+}
+
+u8 CoreData::GetEyeAspect() const {
+    return static_cast<u8>(data.eye_aspect.Value());
+}
+
+u8 CoreData::GetEyeRotate() const {
+    return static_cast<u8>(data.eye_rotate.Value());
+}
+
+u8 CoreData::GetEyeX() const {
+    return static_cast<u8>(data.eye_x.Value());
+}
+
+u8 CoreData::GetEyeY() const {
+    return static_cast<u8>(data.eye_y.Value());
+}
+
+u8 CoreData::GetEyebrowType() const {
+    return static_cast<u8>(data.eyebrow_type.Value());
+}
+
+u8 CoreData::GetEyebrowColor() const {
+    return static_cast<u8>(data.eyebrow_color.Value());
+}
+
+u8 CoreData::GetEyebrowScale() const {
+    return static_cast<u8>(data.eyebrow_scale.Value());
+}
+
+u8 CoreData::GetEyebrowAspect() const {
+    return static_cast<u8>(data.eyebrow_aspect.Value());
+}
+
+u8 CoreData::GetEyebrowRotate() const {
+    return static_cast<u8>(data.eyebrow_rotate.Value());
+}
+
+u8 CoreData::GetEyebrowX() const {
+    return static_cast<u8>(data.eyebrow_x.Value());
+}
+
+u8 CoreData::GetEyebrowY() const {
+    return static_cast<u8>(data.eyebrow_y.Value());
+}
+
+u8 CoreData::GetNoseType() const {
+    return static_cast<u8>(data.nose_type.Value());
+}
+
+u8 CoreData::GetNoseScale() const {
+    return static_cast<u8>(data.nose_scale.Value());
+}
+
+u8 CoreData::GetNoseY() const {
+    return static_cast<u8>(data.nose_y.Value());
+}
+
+u8 CoreData::GetMouthType() const {
+    return static_cast<u8>(data.mouth_type.Value());
+}
+
+u8 CoreData::GetMouthColor() const {
+    return static_cast<u8>(data.mouth_color.Value());
+}
+
+u8 CoreData::GetMouthScale() const {
+    return static_cast<u8>(data.mouth_scale.Value());
+}
+
+u8 CoreData::GetMouthAspect() const {
+    return static_cast<u8>(data.mouth_aspect.Value());
+}
+
+u8 CoreData::GetMouthY() const {
+    return static_cast<u8>(data.mouth_y.Value());
+}
+
+u8 CoreData::GetBeardColor() const {
+    return static_cast<u8>(data.beard_color.Value());
+}
+
+u8 CoreData::GetBeardType() const {
+    return static_cast<u8>(data.beard_type.Value());
+}
+
+u8 CoreData::GetMustacheType() const {
+    return static_cast<u8>(data.mustache_type.Value());
+}
+
+u8 CoreData::GetMustacheScale() const {
+    return static_cast<u8>(data.mustache_scale.Value());
+}
+
+u8 CoreData::GetMustacheY() const {
+    return static_cast<u8>(data.mustache_y.Value());
+}
+
+u8 CoreData::GetGlassType() const {
+    return static_cast<u8>(data.glasses_type.Value());
+}
+
+u8 CoreData::GetGlassColor() const {
+    return static_cast<u8>(data.glasses_color.Value());
+}
+
+u8 CoreData::GetGlassScale() const {
+    return static_cast<u8>(data.glasses_scale.Value());
+}
+
+u8 CoreData::GetGlassY() const {
+    return static_cast<u8>(data.glasses_y.Value());
+}
+
+u8 CoreData::GetMoleType() const {
+    return static_cast<u8>(data.mole_type.Value());
+}
+
+u8 CoreData::GetMoleScale() const {
+    return static_cast<u8>(data.mole_scale.Value());
+}
+
+u8 CoreData::GetMoleX() const {
+    return static_cast<u8>(data.mole_x.Value());
+}
+
+u8 CoreData::GetMoleY() const {
+    return static_cast<u8>(data.mole_y.Value());
+}
+
+Nickname CoreData::GetNickname() const {
+    return name;
+}
+
+Nickname CoreData::GetDefaultNickname() const {
+    return {u'n', u'o', u' ', u'n', u'a', u'm', u'e'};
+}
+
+Nickname CoreData::GetInvalidNickname() const {
+    return {u'?', u'?', u' ', u'?'};
+}
+
+} // namespace Service::Mii
diff --git a/src/core/hle/service/mii/types/core_data.h b/src/core/hle/service/mii/types/core_data.h
index 9dd7a5380..76daf4e6e 100644
--- a/src/core/hle/service/mii/types/core_data.h
+++ b/src/core/hle/service/mii/types/core_data.h
@@ -96,7 +96,116 @@ static_assert(sizeof(StoreDataBitFields) == 0x1c, "StoreDataBitFields has incorr
 static_assert(std::is_trivially_copyable_v<StoreDataBitFields>,
               "StoreDataBitFields is not trivially copyable.");
 
-struct CoreData {
+class CoreData {
+public:
+    void SetDefault();
+    void BuildRandom(Age age, Gender gender, Race race);
+
+    u32 IsValid() const;
+
+    void SetFontRegion(FontRegion value);
+    void SetFavoriteColor(u8 value);
+    void SetGender(Gender value);
+    void SetHeight(u8 value);
+    void SetBuild(u8 value);
+    void SetType(u8 value);
+    void SetRegionMove(u8 value);
+    void SetFacelineType(u8 value);
+    void SetFacelineColor(u8 value);
+    void SetFacelineWrinkle(u8 value);
+    void SetFacelineMake(u8 value);
+    void SetHairType(u8 value);
+    void SetHairColor(u8 value);
+    void SetHairFlip(HairFlip value);
+    void SetEyeType(u8 value);
+    void SetEyeColor(u8 value);
+    void SetEyeScale(u8 value);
+    void SetEyeAspect(u8 value);
+    void SetEyeRotate(u8 value);
+    void SetEyeX(u8 value);
+    void SetEyeY(u8 value);
+    void SetEyebrowType(u8 value);
+    void SetEyebrowColor(u8 value);
+    void SetEyebrowScale(u8 value);
+    void SetEyebrowAspect(u8 value);
+    void SetEyebrowRotate(u8 value);
+    void SetEyebrowX(u8 value);
+    void SetEyebrowY(u8 value);
+    void SetNoseType(u8 value);
+    void SetNoseScale(u8 value);
+    void SetNoseY(u8 value);
+    void SetMouthType(u8 value);
+    void SetMouthColor(u8 value);
+    void SetMouthScale(u8 value);
+    void SetMouthAspect(u8 value);
+    void SetMouthY(u8 value);
+    void SetBeardColor(u8 value);
+    void SetBeardType(BeardType value);
+    void SetMustacheType(MustacheType value);
+    void SetMustacheScale(u8 value);
+    void SetMustacheY(u8 value);
+    void SetGlassType(u8 value);
+    void SetGlassColor(u8 value);
+    void SetGlassScale(u8 value);
+    void SetGlassY(u8 value);
+    void SetMoleType(u8 value);
+    void SetMoleScale(u8 value);
+    void SetMoleX(u8 value);
+    void SetMoleY(u8 value);
+    void SetNickname(Nickname nickname);
+
+    u8 GetFavoriteColor() const;
+    u8 GetGender() const;
+    u8 GetHeight() const;
+    u8 GetBuild() const;
+    u8 GetType() const;
+    u8 GetRegionMove() const;
+    u8 GetFacelineType() const;
+    u8 GetFacelineColor() const;
+    u8 GetFacelineWrinkle() const;
+    u8 GetFacelineMake() const;
+    u8 GetHairType() const;
+    u8 GetHairColor() const;
+    u8 GetHairFlip() const;
+    u8 GetEyeType() const;
+    u8 GetEyeColor() const;
+    u8 GetEyeScale() const;
+    u8 GetEyeAspect() const;
+    u8 GetEyeRotate() const;
+    u8 GetEyeX() const;
+    u8 GetEyeY() const;
+    u8 GetEyebrowType() const;
+    u8 GetEyebrowColor() const;
+    u8 GetEyebrowScale() const;
+    u8 GetEyebrowAspect() const;
+    u8 GetEyebrowRotate() const;
+    u8 GetEyebrowX() const;
+    u8 GetEyebrowY() const;
+    u8 GetNoseType() const;
+    u8 GetNoseScale() const;
+    u8 GetNoseY() const;
+    u8 GetMouthType() const;
+    u8 GetMouthColor() const;
+    u8 GetMouthScale() const;
+    u8 GetMouthAspect() const;
+    u8 GetMouthY() const;
+    u8 GetBeardColor() const;
+    u8 GetBeardType() const;
+    u8 GetMustacheType() const;
+    u8 GetMustacheScale() const;
+    u8 GetMustacheY() const;
+    u8 GetGlassType() const;
+    u8 GetGlassColor() const;
+    u8 GetGlassScale() const;
+    u8 GetGlassY() const;
+    u8 GetMoleType() const;
+    u8 GetMoleScale() const;
+    u8 GetMoleX() const;
+    u8 GetMoleY() const;
+    Nickname GetNickname() const;
+    Nickname GetDefaultNickname() const;
+    Nickname GetInvalidNickname() const;
+
     StoreDataBitFields data{};
     Nickname name{};
 };
diff --git a/src/core/hle/service/mii/types/store_data.cpp b/src/core/hle/service/mii/types/store_data.cpp
index aadc0e1af..459e8699f 100644
--- a/src/core/hle/service/mii/types/store_data.cpp
+++ b/src/core/hle/service/mii/types/store_data.cpp
@@ -1,6 +1,20 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/hle/service/mii/mii_util.h"
 #include "core/hle/service/mii/types/store_data.h"
 
-namespace Service::Mii {} // namespace Service::Mii
+namespace Service::Mii {
+StoreData::StoreData() = default;
+
+StoreData::StoreData(const Nickname& name, const StoreDataBitFields& bit_fields,
+                     const Common::UUID& user_id) {
+    core_data.name = name;
+    create_id = Common::UUID::MakeRandomRFC4122V4();
+
+    core_data.data = bit_fields;
+    data_crc = MiiUtil::CalculateCrc16(&core_data.data, sizeof(core_data.data));
+    device_crc = MiiUtil::CalculateCrc16(&user_id, sizeof(Common::UUID));
+}
+
+} // namespace Service::Mii
diff --git a/src/core/hle/service/mii/types/store_data.h b/src/core/hle/service/mii/types/store_data.h
index 54a263b05..be6950967 100644
--- a/src/core/hle/service/mii/types/store_data.h
+++ b/src/core/hle/service/mii/types/store_data.h
@@ -8,7 +8,8 @@
 
 namespace Service::Mii {
 
-struct StoreData {
+class StoreData {
+public:
     StoreData();
     StoreData(const Nickname& name, const StoreDataBitFields& bit_fields,
               const Common::UUID& user_id);