From 76a4d0652f2c64bc61cbf25ecfc713feafd7cdfb Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Thu, 23 Sep 2021 13:47:44 +0200
Subject: [PATCH] Add `JsonAsset::GetInstance<T>` for easier access to C++ json
 asset data

---
 Source/Engine/Content/JsonAsset.cpp |  1 +
 Source/Engine/Content/JsonAsset.h   | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/Source/Engine/Content/JsonAsset.cpp b/Source/Engine/Content/JsonAsset.cpp
index 5015d61d9..398a4f1bd 100644
--- a/Source/Engine/Content/JsonAsset.cpp
+++ b/Source/Engine/Content/JsonAsset.cpp
@@ -15,6 +15,7 @@
 #include "Engine/Serialization/JsonTools.h"
 #include "Engine/Content/Factories/JsonAssetFactory.h"
 #include "Engine/Core/Cache.h"
+#include "Engine/Core/Config/GameSettings.h"
 #include "Engine/Debug/Exceptions/JsonParseException.h"
 #include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Scripting/Scripting.h"
diff --git a/Source/Engine/Content/JsonAsset.h b/Source/Engine/Content/JsonAsset.h
index d865e8b96..4ab180717 100644
--- a/Source/Engine/Content/JsonAsset.h
+++ b/Source/Engine/Content/JsonAsset.h
@@ -93,6 +93,16 @@ public:
     /// </summary>
     void* Instance;
 
+    /// <summary>
+    /// Gets the deserialized native object instance of the given type. Returns null if asset is not loaded or loaded object has different type.
+    /// </summary>
+    /// <returns>The asset instance object or null.</returns>
+    template<typename T>
+    T* GetInstance() const
+    {
+        return Instance && InstanceType.IsAssignableFrom(T::TypeInitializer) ? (T*)Instance : nullptr;
+    }
+
 protected:
 
     // [JsonAssetBase]