Avoid SIOF inside Asset system

Bigfoot/Benchmarks/Engine/Asset/Reference.cpp

@@ -36,7 +36,7 @@ class ReferenceFixture: public benchmark::Fixture
 
     void TearDown(benchmark::State&) override
     {
-        SetActiveAssetLibrary(&g_assetLibrary);
+        SetActiveAssetLibrary(g_assetLibrary);
     }
 
     AssetLibrary m_library;

Bigfoot/Libs/Engine/Include/Engine/Asset/AssetHelper.hpp

@@ -19,13 +19,14 @@
         return AssetType::GetTypeID();                                                                                 \
     }                                                                                                                  \
     AssetContainer<AssetType> g_containerFor##AssetName;                                                               \
-    const bool g_insertedContainerFor##AssetName = []()                                                                \
+    bool RegisterAssetContainerFor##AssetName()                                                                        \
     {                                                                                                                  \
-        const bool inserted = g_assetLibrary.Insert(&g_containerFor##AssetName);                                       \
+        const bool inserted = g_assetLibrary->Insert(&g_containerFor##AssetName);                                      \
         CRITICAL_ASSERT(EngineAssertHandler,                                                                           \
                         inserted,                                                                                      \
                         "AssetTypeID collision or duplicate registration for asset type '" #AssetName "'");            \
         return inserted;                                                                                               \
-    }();                                                                                                               \
+    }                                                                                                                  \
+    const bool g_insertedContainerFor##AssetName = RegisterAssetContainerFor##AssetName();                             \
     }
 #endif

Bigfoot/Libs/Engine/Include/Engine/Asset/AssetLibrary.hpp

@@ -10,6 +10,8 @@
 #include <Engine/Asset/AssetContainer.hpp>
 #include <Engine/Asset/AssetTypeID.hpp>
 
+#include <Utils/LazyGlobal.hpp>
+
 #include <ankerl/unordered_dense.h>
 
 namespace Bigfoot
@@ -109,8 +111,44 @@ class AssetLibrary
 /****************************************************************************************/
 
 // The global asset library for Bigfoot
-inline AssetLibrary g_assetLibrary;
-inline AssetLibrary* g_activeAssetLibrary = &g_assetLibrary;
+inline LazyGlobal<AssetLibrary> g_assetLibrary;
+
+class ActiveAssetLibrary
+{
+  public:
+    ActiveAssetLibrary& operator=(AssetLibrary* p_assetLibrary)
+    {
+        Get() = p_assetLibrary;
+        return *this;
+    }
+
+    [[nodiscard]]
+    AssetLibrary* operator->() const
+    {
+        return Get();
+    }
+
+    [[nodiscard]]
+    operator AssetLibrary*() const
+    {
+        return Get();
+    }
+
+  private:
+    /**
+     * Get the ActiveAssetLibrary
+     *
+     * \return The ActiveAssetLibrary
+     */
+    [[nodiscard]]
+    static AssetLibrary*& Get()
+    {
+        static AssetLibrary* activeLibrary = g_assetLibrary;
+        return activeLibrary;
+    }
+};
+
+inline ActiveAssetLibrary g_activeAssetLibrary;
 
 /****************************************************************************************/
 

Bigfoot/Tests/Engine/Asset/Asset.cpp

@@ -41,7 +41,7 @@ class AssetFixture: public ::testing::Test
 
     void TearDown() override
     {
-        SetActiveAssetLibrary(&g_assetLibrary);
+        SetActiveAssetLibrary(g_assetLibrary);
     }
 
     AssetLibrary m_library;

Bigfoot/Tests/Engine/Asset/AssetLibrary.cpp

@@ -244,18 +244,18 @@ TEST_F(AssetLibraryFixture, SetActiveAssetLibrary_ShouldSetTheActiveAssetLibrary
 {
     SetActiveAssetLibrary(&m_library);
     EXPECT_EQ(g_activeAssetLibrary, &m_library);
-    SetActiveAssetLibrary(&g_assetLibrary);
+    SetActiveAssetLibrary(g_assetLibrary);
 }
 
 /****************************************************************************************/
 
 TEST_F(AssetLibraryFixture, ScopedActiveAssetLibrary_ShouldChangeTheActiveAssetLibraryInAScopedWay)
 {
-    EXPECT_EQ(g_activeAssetLibrary, &g_assetLibrary);
+    EXPECT_EQ(g_activeAssetLibrary, g_assetLibrary);
     {
         ScopedActiveAssetLibrary activeAssetLibraryScoped {&m_library};
         EXPECT_EQ(g_activeAssetLibrary, &m_library);
     }
-    EXPECT_EQ(g_activeAssetLibrary, &g_assetLibrary);
+    EXPECT_EQ(g_activeAssetLibrary, g_assetLibrary);
 }
 }   // namespace Bigfoot

Bigfoot/Tests/Engine/Asset/Reference.cpp

@@ -49,7 +49,7 @@ class ReferenceFixture: public ::testing::Test
 
     void TearDown() override
     {
-        SetActiveAssetLibrary(&g_assetLibrary);
+        SetActiveAssetLibrary(g_assetLibrary);
     }
 
     [[nodiscard]]

Bigfoot/Tests/Engine/SerializationManager/SerializationManager.cpp

@@ -111,7 +111,7 @@ class SerializationManagerFixture: public ::testing::Test
     void TearDown() override
     {
         SetDataAccessor(m_previousDataAccessor);
-        SetActiveAssetLibrary(&g_assetLibrary);
+        SetActiveAssetLibrary(g_assetLibrary);
     }
 
     /*