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Source/Engine/ContentImporters/CreateVisualScript.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Types.h"
+#include "Engine/Content/Assets/VisualScript.h"
+
+#if COMPILE_WITH_ASSETS_IMPORTER
+
+/// <summary>
+/// Creating visual script asset utility
+/// </summary>
+class CreateVisualScript
+{
+public:
+
+    /// <summary>
+    /// Creates the asset.
+    /// </summary>
+    /// <param name="context">The importing context.</param>
+    /// <returns>Result.</returns>
+    static CreateAssetResult Create(CreateAssetContext& context)
+    {
+        ASSERT(context.CustomArg);
+        const auto baseTypename = static_cast<String*>(context.CustomArg);
+
+        // Base
+        IMPORT_SETUP(VisualScript, 1);
+
+        // Chunk 0 - Visject Surface
+        if (context.AllocateChunk(0))
+            return CreateAssetResult::CannotAllocateChunk;
+        {
+            const VisualScriptGraph graph;
+            MemoryWriteStream stream(64);
+            graph.Save(&stream, true);
+            context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        }
+
+        // Chunk 1 - Visual Script Metadata
+        if (context.AllocateChunk(1))
+            return CreateAssetResult::CannotAllocateChunk;
+        {
+            MemoryWriteStream stream(256);
+            stream.WriteInt32(1);
+            stream.WriteString(*baseTypename, 31);
+            stream.WriteInt32((int32)VisualScript::Flags::None);
+            context.Data.Header.Chunks[1]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        }
+
+        return CreateAssetResult::Ok;
+    }
+};
+
+#endif