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Source/Engine/Content/Assets/Material.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "MaterialBase.h"
+#include "Engine/Graphics/Shaders/Cache/ShaderAssetBase.h"
+
+class MaterialShader;
+
+/// <summary>
+/// Material asset that contains shader for rendering models on the GPU.
+/// </summary>
+API_CLASS(NoSpawn) class FLAXENGINE_API Material : public ShaderAssetTypeBase<MaterialBase>
+{
+DECLARE_BINARY_ASSET_HEADER(Material, ShadersSerializedVersion);
+private:
+
+    MaterialShader* _materialShader = nullptr;
+
+public:
+
+    /// <summary>
+    /// Tries to load surface graph from the asset.
+    /// </summary>
+    /// <param name="createDefaultIfMissing">True if create default surface if missing.</param>
+    /// <returns>The output surface data, or empty if failed to load.</returns>
+    API_FUNCTION() BytesContainer LoadSurface(bool createDefaultIfMissing);
+
+#if USE_EDITOR
+
+    /// <summary>
+    /// Updates the material surface (save new one, discard cached data, reload asset).
+    /// </summary>
+    /// <param name="data">The surface graph data.</param>
+    /// <param name="info">The material info structure.</param>
+    /// <returns>True if cannot save it, otherwise false.</returns>
+    API_FUNCTION() bool SaveSurface(BytesContainer& data, const MaterialInfo& info);
+
+#endif
+
+public:
+
+    // [MaterialBase]
+    bool IsMaterialInstance() const override;
+
+    // [IMaterial]
+    const MaterialInfo& GetInfo() const override;
+    bool IsReady() const override;
+    DrawPass GetDrawModes() const override;
+    bool CanUseLightmap() const override;
+    bool CanUseInstancing() const override;
+    void Bind(BindParameters& params) override;
+
+    // [ShaderAssetBase]
+#if USE_EDITOR
+    void InitCompilationOptions(ShaderCompilationOptions& options) override;
+#endif
+
+protected:
+
+    // [MaterialBase]
+    LoadResult load() override;
+    void unload(bool isReloading) override;
+    AssetChunksFlag getChunksToPreload() const override;
+#if USE_EDITOR
+    void OnDependencyModified(BinaryAsset* asset) override;
+#endif
+};