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Source/Engine/Terrain/TerrainManager.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Core/Types/BaseTypes.h"
+
+struct DrawCall;
+class GPUBuffer;
+class MaterialBase;
+
+/// <summary>
+/// Terrain service used to unify and provide data sharing for various terrain instances and related logic.
+/// </summary>
+class TerrainManager
+{
+public:
+
+    /// <summary>
+    /// Gets the default terrain material to be used for rendering.
+    /// </summary>
+    /// <returns>The default material for terrain.</returns>
+    static MaterialBase* GetDefaultTerrainMaterial();
+
+    /// <summary>
+    /// Gets the chunk geometry buffers for the given chunk size (after LOD reduction).
+    /// </summary>
+    /// <param name="drawCall">The draw call to setup (sets the geometry data such as vertex and index buffers to use).</param>
+    /// <param name="chunkSize">The chunk size (on chunk edge) for the LOD0 chunk. Must be equal or higher than 3.</param>
+    /// <param name="lodIndex">The chunk LOD.</param>
+    /// <returns>True if failed to get it, otherwise false.</returns>
+    static bool GetChunkGeometry(DrawCall& drawCall, int32 chunkSize, int32 lodIndex);
+};