BigFile access

Bigfoot/Sources/Engine/BigFile/BigFile.cpp

@@ -8,6 +8,11 @@
 
 #include <Engine/EngineAssertHandler.hpp>
 
+#include <EASTL/algorithm.h>
+#include <EASTL/sort.h>
+
+#include <fmt/format.h>
+
 namespace Bigfoot
 {
 #ifdef BIGFOOT_TOOLMODE
@@ -60,45 +65,110 @@ BigFile::~BigFile()
 
 /****************************************************************************************/
 
-eastl::vector<std::byte> BigFile::GetAssetFlatbuffer(const UUID& p_uuid) const
+eastl::vector<eastl::vector<std::byte>> BigFile::GetAssetFlatbuffers(const eastl::span<const UUID> p_uuids) const
 {
-    BigFile::Request assetRequest {*this,
-                                   "SELECT Asset.Asset FROM Asset "
-                                   "JOIN AssetMetadata ON AssetMetadata.UUID = Asset.UUID "
-                                   "WHERE Asset.UUID = ?1;"};
-    assetRequest.Bind(1, p_uuid.ToBytes());
-
-    if (!assetRequest.Step())
+    eastl::vector<eastl::vector<std::byte>> flatbuffers;
+    if (p_uuids.empty())
     {
-        return {};
+        return flatbuffers;
     }
 
-    const eastl::span<const std::byte> flatbuffer = assetRequest.Get(0);
-    return eastl::vector<std::byte> {flatbuffer.begin(), flatbuffer.end()};
+    eastl::vector<UUID> uniqueUUIDs {p_uuids.begin(), p_uuids.end()};
+    eastl::sort(uniqueUUIDs.begin(), uniqueUUIDs.end());
+    uniqueUUIDs.erase(eastl::unique(uniqueUUIDs.begin(), uniqueUUIDs.end()), uniqueUUIDs.end());
+
+    eastl::string placeholders;
+    for (std::size_t i = 0; i < uniqueUUIDs.size(); ++i)
+    {
+        if (i > 0)
+        {
+            placeholders += ", ";
+        }
+        placeholders += "?";
+        placeholders += std::to_string(i + 1).c_str();
+    }
+
+    const std::string sqlRequest = fmt::format("SELECT Asset.Asset FROM Asset "
+                                                     "JOIN AssetMetadata ON AssetMetadata.UUID = Asset.UUID "
+                                                     "WHERE Asset.UUID IN ({});",
+                                                     placeholders);
+
+    BigFile::Request assetRequest {*this, sqlRequest.c_str()};
+    for (std::size_t i = 0; i < uniqueUUIDs.size(); ++i)
+    {
+        assetRequest.Bind(static_cast<std::uint32_t>(i + 1), uniqueUUIDs[i].ToBytes());
+    }
+
+    flatbuffers.reserve(uniqueUUIDs.size());
+    for (std::size_t i = 0; i < uniqueUUIDs.size(); ++i)
+    {
+        if (!assetRequest.Step())
+        {
+            break;
+        }
+
+        const eastl::span<const std::byte> flatbuffer = assetRequest.Get(0);
+        flatbuffers.emplace_back(flatbuffer.begin(), flatbuffer.end());
+    }
+
+    return flatbuffers;
 }
 
 /****************************************************************************************/
 
-AssetMetadata BigFile::GetAssetMetadata(const UUID& p_uuid) const
+eastl::vector<AssetMetadata> BigFile::GetAssetMetadatas(const eastl::span<const UUID> p_uuids) const
 {
-    BigFile::Request assetRequest {
-      *this,
-      "SELECT UUID, Name, TypeID, TypeName, CreateTime, ModificationTime FROM AssetMetadata WHERE UUID = ?1;"};
-    assetRequest.Bind(1, p_uuid.ToBytes());
-
-    if (!assetRequest.Step())
+    eastl::vector<AssetMetadata> metadatas;
+    if (p_uuids.empty())
     {
-        return {};
+        return metadatas;
     }
 
-    return AssetMetadata {.m_uuid = UUID {std::span<const std::byte, UUID::UUID_BYTE_SIZE> {
-                            static_cast<eastl::span<const std::byte>>(assetRequest.Get(0)).data(),
-                            UUID::UUID_BYTE_SIZE}},
-                          .m_name = eastl::string {static_cast<eastl::string_view>(assetRequest.Get(1))},
-                          .m_typeID = assetRequest.Get(2),
-                          .m_typeName = eastl::string {static_cast<eastl::string_view>(assetRequest.Get(3))},
-                          .m_creationTime = Time {static_cast<std::uint64_t>(assetRequest.Get(4))},
-                          .m_modificationTime = Time {static_cast<std::uint64_t>(assetRequest.Get(5))}};
+    eastl::vector<UUID> uniqueUUIDs {p_uuids.begin(), p_uuids.end()};
+    eastl::sort(uniqueUUIDs.begin(), uniqueUUIDs.end());
+    uniqueUUIDs.erase(eastl::unique(uniqueUUIDs.begin(), uniqueUUIDs.end()), uniqueUUIDs.end());
+
+    eastl::string placeholders;
+    for (std::size_t i = 0; i < uniqueUUIDs.size(); ++i)
+    {
+        if (i > 0)
+        {
+            placeholders += ", ";
+        }
+        placeholders += "?";
+        placeholders += std::to_string(i + 1).c_str();
+    }
+
+    const std::string sqlRequest = fmt::format("SELECT UUID, Name, TypeID, TypeName, CreateTime, ModificationTime "
+                                              "FROM AssetMetadata WHERE UUID IN ({});",
+                                              placeholders);
+
+    BigFile::Request assetRequest {*this, sqlRequest.c_str()};
+    for (std::size_t i = 0; i < uniqueUUIDs.size(); ++i)
+    {
+        assetRequest.Bind(static_cast<std::uint32_t>(i + 1), uniqueUUIDs[i].ToBytes());
+    }
+
+    metadatas.reserve(uniqueUUIDs.size());
+    for (std::size_t i = 0; i < uniqueUUIDs.size(); ++i)
+    {
+        if (!assetRequest.Step())
+        {
+            break;
+        }
+
+        metadatas.push_back(
+          AssetMetadata {.m_uuid = UUID {std::span<const std::byte, UUID::UUID_BYTE_SIZE> {
+                           static_cast<eastl::span<const std::byte>>(assetRequest.Get(0)).data(),
+                           UUID::UUID_BYTE_SIZE}},
+                         .m_name = eastl::string {static_cast<eastl::string_view>(assetRequest.Get(1))},
+                         .m_typeID = assetRequest.Get(2),
+                         .m_typeName = eastl::string {static_cast<eastl::string_view>(assetRequest.Get(3))},
+                         .m_creationTime = Time {static_cast<std::uint64_t>(assetRequest.Get(4))},
+                         .m_modificationTime = Time {static_cast<std::uint64_t>(assetRequest.Get(5))}});
+    }
+
+    return metadatas;
 }
 
 /****************************************************************************************/

Bigfoot/Sources/Engine/Include/Engine/BigFile/BigFile.hpp

@@ -52,20 +52,20 @@ class BigFile: public DataAccessor
     ~BigFile();
 
     /**
-     * Get an Asset flatbuffer
+     * Get several Asset flatbuffers
      *
-     * \param p_uuid The asset to get the flatbuffer of
-     * \return The flatbuffer, can be empty if asset was not found
+     * \param p_uuids The assets to get the flatbuffers of
+     * \return The flatbuffers that were found
      */
-    eastl::vector<std::byte> GetAssetFlatbuffer(const UUID& p_uuid) const override;
+    eastl::vector<eastl::vector<std::byte>> GetAssetFlatbuffers(eastl::span<const UUID> p_uuids) const override;
 
     /**
-     * Get an Asset metadata
+     * Get several Asset metadatas
      *
-     * \param p_uuid The asset to get the metadata of
-     * \return The metadata, default initialized if not found (ie: UUID = NULL)
+     * \param p_uuids The assets to get the metadatas of
+     * \return The metadatas that were found
      */
-    AssetMetadata GetAssetMetadata(const UUID& p_uuid) const override;
+    eastl::vector<AssetMetadata> GetAssetMetadatas(eastl::span<const UUID> p_uuids) const override;
 
     /**
      * Save an asset

Bigfoot/Sources/Engine/Include/Engine/DataAccessor/DataAccessor.hpp

@@ -11,6 +11,7 @@
 #include <System/Time/Time.hpp>
 #include <System/UUID/UUID.hpp>
 
+#include <EASTL/optional.h>
 #include <EASTL/span.h>
 #include <EASTL/string.h>
 #include <EASTL/vector.h>
@@ -43,17 +44,51 @@ class DataAccessor
      * Get an Asset flatbuffer
      *
      * \param p_uuid The asset to get the flatbuffer of
-     * \return The flatbuffer, can be empty if asset was not found
+     * \return The flatbuffer, or nullopt if the asset was not found
      */
-    virtual eastl::vector<std::byte> GetAssetFlatbuffer(const UUID& p_uuid) const = 0;
+    eastl::optional<eastl::vector<std::byte>> GetAssetFlatbuffer(const UUID& p_uuid) const
+    {
+        eastl::vector<eastl::vector<std::byte>> flatbuffers = GetAssetFlatbuffers(eastl::span<const UUID> {&p_uuid, 1});
+        if (flatbuffers.empty())
+        {
+            return eastl::nullopt;
+        }
+
+        return std::move(flatbuffers.front());
+    }
+
+    /**
+     * Get several Asset flatbuffers
+     *
+     * \param p_uuids The assets to get the flatbuffers of
+     * \return The flatbuffers that were found
+     */
+    virtual eastl::vector<eastl::vector<std::byte>> GetAssetFlatbuffers(eastl::span<const UUID> p_uuids) const = 0;
 
     /**
      * Get an Asset metadata
      *
      * \param p_uuid The asset to get the metadata of
-     * \return The metadata, default initialized if not found (ie: UUID = NULL)
+     * \return The metadata, or nullopt if the asset was not found
      */
-    virtual AssetMetadata GetAssetMetadata(const UUID& p_uuid) const = 0;
+    eastl::optional<AssetMetadata> GetAssetMetadata(const UUID& p_uuid) const
+    {
+        eastl::vector<AssetMetadata> metadatas = GetAssetMetadatas(eastl::span<const UUID> {&p_uuid, 1});
+        if (metadatas.empty())
+        {
+            return eastl::nullopt;
+        }
+
+        return std::move(metadatas.front());
+    }
+
+    /**
+     * Get several Asset metadatas
+     *
+     * \param p_uuids The assets to get the metadatas of
+     * \return The metadatas that were found
+     */
+    virtual eastl::vector<AssetMetadata> GetAssetMetadatas(eastl::span<const UUID> p_uuids) const = 0;
 
     /**
      * Save an asset

Bigfoot/Sources/System/Include/System/UUID/UUID.hpp

@@ -8,6 +8,8 @@
 #define BIGFOOT_SYSTEM_UUID_UUID_HPP
 #include <uuid.h>
 
+#include <fmt/format.h>
+
 namespace Bigfoot
 {
 class UUID
@@ -112,17 +114,16 @@ struct std::hash<Bigfoot::UUID>
 };
 
 template<>
-struct std::formatter<Bigfoot::UUID, char>
+struct fmt::formatter<Bigfoot::UUID>
 {
-    constexpr auto parse(std::format_parse_context& ctx)
+    constexpr auto parse(format_parse_context& ctx)
     {
         return ctx.begin();
     }
 
-    template<typename FormatContext>
-    auto format(const Bigfoot::UUID& p_uuid, FormatContext& ctx) const
+    auto format(const Bigfoot::UUID& p_uuid, format_context& ctx) const
     {
-        return std::format_to(ctx.out(), "{}", p_uuid.ToString());
+        return fmt::format_to(ctx.out(), "{}", p_uuid.ToString());
     }
 };
 

Bigfoot/Sources/Utils/CMakeLists.txt

@@ -6,6 +6,8 @@ set(PublicDependencies
     $<IF:$<BOOL:${ASAN}>,mimalloc-asan,mimalloc-static>
     unordered_dense::unordered_dense
     EASTL::EASTL
+    EAStdC::EAStdC
+    fmt::fmt
     flatbuffers::flatbuffers
     rapidhash::rapidhash)
 set(PrivateDependencies)
@@ -19,6 +21,7 @@ bigfoot_create_package_lib(
     "${BigfootPrivateDependencies}"
     "")
 set_source_files_properties(../Utils/MimallocImpl.cpp PROPERTIES SKIP_UNITY_BUILD_INCLUSION ON)
+set_source_files_properties(../Utils/EASTLVsnprintfImpl.cpp PROPERTIES SKIP_UNITY_BUILD_INCLUSION ON)
 
 bigfoot_create_logger()
 

Bigfoot/Sources/Utils/Include/Utils/Assert/AssertHandler.hpp

@@ -11,7 +11,8 @@
 
 #if defined BIGFOOT_NOT_OPTIMIZED
 
-#include <format>
+#include <fmt/format.h>
+
 #include <source_location>
 
 namespace Bigfoot
@@ -35,11 +36,11 @@ class AssertHandler
      * \param p_args Arguments for the format string.
      */
     template<typename... ARGS>
-    static void Handle(const std::source_location& p_location, std::format_string<ARGS...> p_format, ARGS&&... p_args)
+    static void Handle(const std::source_location& p_location, fmt::format_string<ARGS...> p_format, ARGS&&... p_args)
     {
         BIGFOOT_LOG_FATAL(LOGGER,
                           "Assert: {} (File:{}, Line:{}, Function:{}\n",
-                          std::format(p_format, std::forward<ARGS>(p_args)...),
+                          fmt::format(p_format, std::forward<ARGS>(p_args)...),
                           p_location.file_name(),
                           p_location.line(),
                           p_location.function_name());

Bigfoot/Sources/Utils/Include/Utils/Log/EASTLFormatters.hpp

@@ -15,22 +15,21 @@
 #include <EASTL/string.h>
 #include <EASTL/string_view.h>
 
-#include <format>
+#include <fmt/format.h>
 
 // STRING
 
 template<>
-struct std::formatter<eastl::string>
+struct fmt::formatter<eastl::string>
 {
-    constexpr auto parse(std::format_parse_context& ctx)
+    constexpr auto parse(format_parse_context& ctx)
     {
         return ctx.begin();
     }
 
-    template<typename FormatContext>
-    auto format(const eastl::string& p_string, FormatContext& ctx) const
+    auto format(const eastl::string& p_string, format_context& ctx) const
     {
-        return std::format_to(ctx.out(), "{}", p_string.c_str());
+        return fmt::format_to(ctx.out(), "{}", p_string.c_str());
     }
 };
 
@@ -58,17 +57,16 @@ struct quill::Codec<eastl::string>: quill::DeferredFormatCodec<eastl::string>
 // STRING_VIEW
 
 template<>
-struct std::formatter<eastl::string_view>
+struct fmt::formatter<eastl::string_view>
 {
-    constexpr auto parse(std::format_parse_context& ctx)
+    constexpr auto parse(format_parse_context& ctx)
     {
         return ctx.begin();
     }
 
-    template<typename FormatContext>
-    auto format(const eastl::string_view& p_stringView, FormatContext& ctx) const
+    auto format(const eastl::string_view& p_stringView, format_context& ctx) const
     {
-        return std::format_to(ctx.out(), "{}", p_stringView.data());
+        return fmt::format_to(ctx.out(), "{}", p_stringView.data());
     }
 };
 

Bigfoot/Sources/Utils/Include/Utils/Version.hpp

@@ -9,8 +9,9 @@
 #include <Utils/Caster.hpp>
 #include <Utils/TargetMacros.h>
 
+#include <fmt/format.h>
+
 #include <cstdint>
-#include <format>
 #include <string>
 
 namespace Bigfoot
@@ -115,7 +116,7 @@ class Version
 
 #if defined BIGFOOT_NOT_OPTIMIZED
 template<>
-struct std::formatter<Bigfoot::Version>
+struct fmt::formatter<Bigfoot::Version>
 {
     template<typename ParseContext>
     constexpr auto parse(ParseContext& p_context)
@@ -126,7 +127,7 @@ struct std::formatter<Bigfoot::Version>
     template<typename FormatContext>
     auto format(const Bigfoot::Version& p_version, FormatContext& p_context) const
     {
-        return std::format_to(p_context.out(), "{}", p_version.ToString());
+        return fmt::format_to(p_context.out(), "{}", p_version.ToString());
     }
 };
 #endif

Bigfoot/Sources/Utils/Version.cpp

@@ -10,6 +10,6 @@ namespace Bigfoot
 {
 std::string Version::ToString() const
 {
-    return std::format("{}.{}.{}", GetMajor(), GetMinor(), GetPatch());
+    return fmt::format("{}.{}.{}", GetMajor(), GetMinor(), GetPatch());
 }
 }   // namespace Bigfoot

Bigfoot/Tests/Engine/BigFile/BigFile.cpp

@@ -33,11 +33,11 @@ class BigFileFixture: public ::testing::Test
 
 /****************************************************************************************/
 
-TEST_F(BigFileFixture, GetAssetFlatbuffer_ShouldReturnEmptyForNonExistentUUID)
+TEST_F(BigFileFixture, GetAssetFlatbuffer_ShouldReturnNulloptForNonExistentUUID)
 {
     const UUID uuid;
 
-    EXPECT_TRUE(m_bigFile.GetAssetFlatbuffer(uuid).empty());
+    EXPECT_FALSE(m_bigFile.GetAssetFlatbuffer(uuid).has_value());
 }
 
 /****************************************************************************************/
@@ -57,24 +57,70 @@ TEST_F(BigFileFixture, GetAssetFlatbuffer_ShouldGetTheAssetFlatbuffer)
 
     m_bigFile.SaveAssetFlatbuffer(metadata, flatbuffer);
 
-    const eastl::vector<std::byte> savedFlatbuffer = m_bigFile.GetAssetFlatbuffer(asset.GetHeader().uuid);
-    EXPECT_EQ(savedFlatbuffer, flatbuffer);
+    const eastl::optional<eastl::vector<std::byte>> savedFlatbuffer = m_bigFile.GetAssetFlatbuffer(asset.GetHeader().uuid);
+    ASSERT_TRUE(savedFlatbuffer.has_value());
+    EXPECT_EQ(*savedFlatbuffer, flatbuffer);
 }
 
 /****************************************************************************************/
 
-TEST_F(BigFileFixture, GetAssetMetadata_ShouldReturnDefaultForNonExistentUUID)
+TEST_F(BigFileFixture, GetAssetFlatbuffers_ShouldOmitUUIDsThatDoNotExist)
+{
+    AssetA assetA;
+    assetA.SetName("hello");
+    const eastl::vector<std::byte> flatbufferA = assetA.Pack();
+    m_bigFile.SaveAssetFlatbuffer(AssetMetadata {.m_uuid = assetA.GetHeader().uuid,
+                                                 .m_name = assetA.GetHeader().name,
+                                                 .m_typeID = assetA.GetHeader().type_id,
+                                                 .m_typeName = assetA.GetHeader().type_name},
+                                  flatbufferA);
+
+    AssetA assetB;
+    assetB.SetName("world");
+    const eastl::vector<std::byte> flatbufferB = assetB.Pack();
+    m_bigFile.SaveAssetFlatbuffer(AssetMetadata {.m_uuid = assetB.GetHeader().uuid,
+                                                 .m_name = assetB.GetHeader().name,
+                                                 .m_typeID = assetB.GetHeader().type_id,
+                                                 .m_typeName = assetB.GetHeader().type_name},
+                                  flatbufferB);
+
+    const eastl::vector<UUID> uuids {assetA.GetHeader().uuid, UUID {}, assetB.GetHeader().uuid};
+
+    const eastl::vector<eastl::vector<std::byte>> flatbuffers = m_bigFile.GetAssetFlatbuffers(uuids);
+
+    ASSERT_EQ(flatbuffers.size(), 2);
+    EXPECT_TRUE((flatbuffers[0] == flatbufferA && flatbuffers[1] == flatbufferB) ||
+                (flatbuffers[0] == flatbufferB && flatbuffers[1] == flatbufferA));
+}
+
+/****************************************************************************************/
+
+TEST_F(BigFileFixture, GetAssetFlatbuffers_ShouldNotDuplicateResultsForADuplicateUUID)
+{
+    AssetA assetA;
+    assetA.SetName("hello");
+    const eastl::vector<std::byte> flatbufferA = assetA.Pack();
+    m_bigFile.SaveAssetFlatbuffer(AssetMetadata {.m_uuid = assetA.GetHeader().uuid,
+                                                 .m_name = assetA.GetHeader().name,
+                                                 .m_typeID = assetA.GetHeader().type_id,
+                                                 .m_typeName = assetA.GetHeader().type_name},
+                                  flatbufferA);
+
+    const eastl::vector<UUID> uuids {assetA.GetHeader().uuid, assetA.GetHeader().uuid};
+
+    const eastl::vector<eastl::vector<std::byte>> flatbuffers = m_bigFile.GetAssetFlatbuffers(uuids);
+
+    ASSERT_EQ(flatbuffers.size(), 1);
+    EXPECT_EQ(flatbuffers[0], flatbufferA);
+}
+
+/****************************************************************************************/
+
+TEST_F(BigFileFixture, GetAssetMetadata_ShouldReturnNulloptForNonExistentUUID)
 {
     const UUID uuid;
 
-    const AssetMetadata result = m_bigFile.GetAssetMetadata(uuid);
-
-    EXPECT_EQ(result.m_uuid, UUID::NULL_UUID);
-    EXPECT_TRUE(result.m_name.empty());
-    EXPECT_EQ(result.m_typeID, 0);
-    EXPECT_TRUE(result.m_typeName.empty());
-    EXPECT_EQ(result.m_creationTime, Time {0});
-    EXPECT_EQ(result.m_modificationTime, Time {0});
+    EXPECT_FALSE(m_bigFile.GetAssetMetadata(uuid).has_value());
 }
 
 /****************************************************************************************/
@@ -94,14 +140,47 @@ TEST_F(BigFileFixture, GetAssetMetadata_ShouldGetTheAssetMetadata)
 
     m_bigFile.SaveAssetFlatbuffer(metadata, flatbuffer);
 
-    const AssetMetadata savedMetadata = m_bigFile.GetAssetMetadata(asset.GetHeader().uuid);
+    const eastl::optional<AssetMetadata> savedMetadata = m_bigFile.GetAssetMetadata(asset.GetHeader().uuid);
+    ASSERT_TRUE(savedMetadata.has_value());
 
-    EXPECT_EQ(savedMetadata.m_uuid, metadata.m_uuid);
-    EXPECT_EQ(savedMetadata.m_name, metadata.m_name);
-    EXPECT_EQ(savedMetadata.m_typeID, metadata.m_typeID);
-    EXPECT_EQ(savedMetadata.m_typeName, metadata.m_typeName);
-    EXPECT_GT(savedMetadata.m_creationTime, Time {0});
-    EXPECT_GT(savedMetadata.m_modificationTime, Time {0});
+    EXPECT_EQ(savedMetadata->m_uuid, metadata.m_uuid);
+    EXPECT_EQ(savedMetadata->m_name, metadata.m_name);
+    EXPECT_EQ(savedMetadata->m_typeID, metadata.m_typeID);
+    EXPECT_EQ(savedMetadata->m_typeName, metadata.m_typeName);
+    EXPECT_GT(savedMetadata->m_creationTime, Time {0});
+    EXPECT_GT(savedMetadata->m_modificationTime, Time {0});
+}
+
+/****************************************************************************************/
+
+TEST_F(BigFileFixture, GetAssetMetadatas_ShouldOmitUUIDsThatDoNotExist)
+{
+    AssetA assetA;
+    assetA.SetName("hello");
+    m_bigFile.SaveAssetFlatbuffer(AssetMetadata {.m_uuid = assetA.GetHeader().uuid,
+                                                 .m_name = assetA.GetHeader().name,
+                                                 .m_typeID = assetA.GetHeader().type_id,
+                                                 .m_typeName = assetA.GetHeader().type_name},
+                                  assetA.Pack());
+
+    AssetA assetB;
+    assetB.SetName("world");
+    m_bigFile.SaveAssetFlatbuffer(AssetMetadata {.m_uuid = assetB.GetHeader().uuid,
+                                                 .m_name = assetB.GetHeader().name,
+                                                 .m_typeID = assetB.GetHeader().type_id,
+                                                 .m_typeName = assetB.GetHeader().type_name},
+                                  assetB.Pack());
+
+    const UUID missingUUID;
+    const eastl::vector<UUID> uuids {assetA.GetHeader().uuid, missingUUID, assetB.GetHeader().uuid};
+
+    const eastl::vector<AssetMetadata> metadatas = m_bigFile.GetAssetMetadatas(uuids);
+
+    ASSERT_EQ(metadatas.size(), 2);
+    EXPECT_TRUE((metadatas[0].m_uuid == assetA.GetHeader().uuid && metadatas[0].m_name == "hello" &&
+                metadatas[1].m_uuid == assetB.GetHeader().uuid && metadatas[1].m_name == "world") ||
+                (metadatas[0].m_uuid == assetB.GetHeader().uuid && metadatas[0].m_name == "world" &&
+                metadatas[1].m_uuid == assetA.GetHeader().uuid && metadatas[1].m_name == "hello"));
 }
 
 /****************************************************************************************/
@@ -138,14 +217,18 @@ TEST_F(BigFileFixture, SaveAssetFlatbuffer_ShouldUpdateTheDataWhenCalledTwice)
                                                  .m_typeName = eastl::string {AssetA::GetTypeName()}},
                                   asset.Pack());
 
-    const AssetMetadata savedMetadata1 = m_bigFile.GetAssetMetadata(uuid);
-    EXPECT_EQ(savedMetadata1.m_name, "hello");
-    EXPECT_EQ(savedMetadata1.m_typeID, AssetA::GetTypeID());
-    EXPECT_EQ(savedMetadata1.m_typeName, eastl::string {AssetA::GetTypeName()});
-    EXPECT_EQ(savedMetadata1.m_modificationTime, savedMetadata1.m_creationTime);
+    const eastl::optional<AssetMetadata> savedMetadata1 = m_bigFile.GetAssetMetadata(uuid);
+    ASSERT_TRUE(savedMetadata1.has_value());
+    EXPECT_EQ(savedMetadata1->m_name, "hello");
+    EXPECT_EQ(savedMetadata1->m_typeID, AssetA::GetTypeID());
+    EXPECT_EQ(savedMetadata1->m_typeName, eastl::string {AssetA::GetTypeName()});
+    EXPECT_EQ(savedMetadata1->m_modificationTime, savedMetadata1->m_creationTime);
+
+    const eastl::optional<eastl::vector<std::byte>> savedFlatbuffer1 = m_bigFile.GetAssetFlatbuffer(uuid);
+    ASSERT_TRUE(savedFlatbuffer1.has_value());
 
     AssetA savedAsset1;
-    savedAsset1.Unpack(m_bigFile.GetAssetFlatbuffer(uuid));
+    savedAsset1.Unpack(*savedFlatbuffer1);
     EXPECT_EQ(savedAsset1.GetAsset().health, 1);
 
     std::this_thread::sleep_for(std::chrono::milliseconds(20));
@@ -157,16 +240,20 @@ TEST_F(BigFileFixture, SaveAssetFlatbuffer_ShouldUpdateTheDataWhenCalledTwice)
                                                  .m_typeName = eastl::string {AssetA::GetTypeName()}},
                                   asset.Pack());
 
-    const AssetMetadata savedMetadata2 = m_bigFile.GetAssetMetadata(uuid);
-    EXPECT_EQ(savedMetadata2.m_name, "world");
-    EXPECT_EQ(savedMetadata2.m_typeID, AssetA::GetTypeID());
-    EXPECT_EQ(savedMetadata2.m_typeName, eastl::string {AssetA::GetTypeName()});
-    EXPECT_GT(savedMetadata2.m_modificationTime, savedMetadata2.m_creationTime);
+    const eastl::optional<AssetMetadata> savedMetadata2 = m_bigFile.GetAssetMetadata(uuid);
+    ASSERT_TRUE(savedMetadata2.has_value());
+    EXPECT_EQ(savedMetadata2->m_name, "world");
+    EXPECT_EQ(savedMetadata2->m_typeID, AssetA::GetTypeID());
+    EXPECT_EQ(savedMetadata2->m_typeName, eastl::string {AssetA::GetTypeName()});
+    EXPECT_GT(savedMetadata2->m_modificationTime, savedMetadata2->m_creationTime);
 
-    EXPECT_LT(savedMetadata1.m_modificationTime, savedMetadata2.m_modificationTime);
+    EXPECT_LT(savedMetadata1->m_modificationTime, savedMetadata2->m_modificationTime);
+
+    const eastl::optional<eastl::vector<std::byte>> savedFlatbuffer2 = m_bigFile.GetAssetFlatbuffer(uuid);
+    ASSERT_TRUE(savedFlatbuffer2.has_value());
 
     AssetA savedAsset2;
-    savedAsset2.Unpack(m_bigFile.GetAssetFlatbuffer(uuid));
+    savedAsset2.Unpack(*savedFlatbuffer2);
     EXPECT_EQ(savedAsset2.GetAsset().health, 2);
 }
 

Bigfoot/Tests/Engine/DataAccessor/DataAccessor.cpp

@@ -17,8 +17,11 @@ class DataAccessorFixture: public ::testing::Test
     class DataAccessorMock: public DataAccessor
     {
       public:
-        MOCK_METHOD(eastl::vector<std::byte>, GetAssetFlatbuffer, (const UUID& p_uuid), (const, override));
-        MOCK_METHOD(AssetMetadata, GetAssetMetadata, (const UUID& p_uuid), (const, override));
+        MOCK_METHOD(eastl::vector<eastl::vector<std::byte>>,
+                    GetAssetFlatbuffers,
+                    (eastl::span<const UUID> p_uuids),
+                    (const, override));
+        MOCK_METHOD(eastl::vector<AssetMetadata>, GetAssetMetadatas, (eastl::span<const UUID> p_uuids), (const, override));
         MOCK_METHOD(void,
                     SaveAssetFlatbuffer,
                     (const AssetMetadata& p_metaData, const eastl::span<const std::byte> p_flatbuffer),

CMake/FindDependencies.cmake

@@ -6,6 +6,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 endif()
 
 find_package(EASTL REQUIRED)
+find_package(EAStdC REQUIRED)
 find_package(unordered_dense REQUIRED)
 if(${ASAN})
     find_package(mimalloc-asan REQUIRED)
@@ -16,6 +17,7 @@ find_package(stduuid REQUIRED)
 find_package(SQLite3 REQUIRED)
 find_package(rapidhash REQUIRED)
 find_package(effolkronium_random REQUIRED)
+find_package(fmt REQUIRED)
 find_package(flatbuffers CONFIG REQUIRED)
 
 if(TRACY)

conanfile.py

@@ -64,30 +64,32 @@ class Bigfoot(ConanFile):
 
     def requirements(self):
         self.requires("eastl/3.27.01@bigfootdev/main", transitive_headers=True)
-        self.requires("unordered_dense/4.8.1@bigfootdev/main", transitive_headers=True)
+        self.requires("eastdc/25082026@bigfootdev/main", transitive_headers=True)
+        self.requires("unordered_dense/4.9.2", transitive_headers=True)
         self.requires("mimalloc/3.3.2@bigfootdev/main", transitive_headers=True)
         self.requires("stduuid/1.2.3@bigfootdev/main", transitive_headers=True)
         self.requires("sqlite3/3.53.3@bigfootdev/main", transitive_headers=True)
         self.requires("rapidhash/3.0@bigfootdev/main", transitive_headers=True)
         self.requires("effolkronium-random/1.5.0", transitive_headers=True)
+        self.requires("fmt/12.2.0", transitive_headers=True)
         self.requires("flatbuffers/25.12.19-2026-02-06-03fffb2-bigfoot@bigfootdev/main", transitive_headers=True)
 
         if(self.settings.build_type == "RelWithDebInfo" or self.settings.build_type == "Debug"):
-            self.requires("quill/12.0.0", transitive_headers=True)
+            self.requires("quill/12.1.0", transitive_headers=True)
 
         if(self.options.tracy):
             self.requires("tracy/0.13.1", transitive_headers=True)
 
-        self.requires("glm/1.0.3@bigfootdev/main", transitive_headers=True)
+        self.requires("glm/1.0.3", transitive_headers=True)
         self.requires("lodepng/cci.20260210@bigfootdev/main", transitive_headers=True)
-        self.requires("imgui/1.92.8-docking@bigfootdev/main", transitive_headers=True)
+        self.requires("imgui/1.92.9b-docking", transitive_headers=True)
 
         if(self.options.vulkan):
             self.requires("vulkan-headers/1.4.341.0@bigfootdev/main", override=True)
             self.requires("vulkan-memory-allocator/3.3.0@bigfootdev/main")
 
         if(self.options.build_tests):
-            self.test_requires("gtest/1.17.0")
+            self.test_requires("gtest/1.18.0")
             self.test_requires("pixelmatch-cpp17/1.0.3@bigfootdev/main")
 
         if(self.options.build_benchmarks):