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Source/Engine/Content/Assets/IESProfile.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Graphics/Textures/TextureBase.h"
+
+/// <summary>
+/// Contains IES profile texture used by the lights to simulate real life bulb light emission.
+/// </summary>
+API_CLASS(NoSpawn) class FLAXENGINE_API IESProfile : public TextureBase
+{
+DECLARE_BINARY_ASSET_HEADER(IESProfile, TexturesSerializedVersion);
+
+public:
+
+    struct CustomDataLayout
+    {
+        float Brightness;
+        float TextureMultiplier;
+    };
+
+public:
+
+    /// <summary>
+    /// The light brightness in Lumens, imported from IES profile.
+    /// </summary>
+    API_FIELD() float Brightness;
+
+    /// <summary>
+    /// The multiplier to map texture value to result to integrate over the sphere to 1.
+    /// </summary>
+    API_FIELD() float TextureMultiplier;
+
+protected:
+
+    // [BinaryAsset]
+    bool init(AssetInitData& initData) override;
+};