Lua向C#逻辑迁移 一期 #13

将整个插件代码上传

Plugins/UnrealSharp/Source/UnrealSharpCore/CSUnmanagedDataStore.h

@@ -0,0 +1,59 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include <array>
+
+#include "CoreMinimal.h"
+#include "CSUnmanagedDataStore.generated.h"
+
+USTRUCT()
+struct FUnmanagedDataStore
+{
+    GENERATED_BODY()
+
+private:
+    static constexpr size_t SmallStorageSize = 56;
+    using FSmallStorage = std::array<std::byte, SmallStorageSize>;
+
+    struct FLargeStorageDeleter 
+    {
+        void operator()(void* Ptr) const
+        {
+            FMemory::Free(Ptr);
+        }
+    };
+
+public:
+    FUnmanagedDataStore() = default;
+
+    void CopyDataIn(const void* InData, const size_t Size)
+    {
+        if (Size <= SmallStorageSize)
+        {
+            Data.Emplace<FSmallStorage>();
+            FMemory::Memcpy(Data.Get<FSmallStorage>().data(), InData, Size);
+        }
+        else
+        {
+            Data.Emplace<TSharedPtr<void>>(FMemory::Malloc(Size), FLargeStorageDeleter());
+            FMemory::Memcpy(Data.Get<TSharedPtr<void>>().Get(), InData, Size);
+        }
+    }
+
+    void CopyDataOut(void* OutData, const size_t Size) const
+    {
+        if (Size <= SmallStorageSize)
+        {
+            FMemory::Memcpy(OutData, Data.Get<FSmallStorage>().data(), Size);
+        }
+        else
+        {
+            FMemory::Memcpy(OutData, Data.Get<TSharedPtr<void>>().Get(), Size);
+        }
+    }
+
+private:
+    TVariant<FSmallStorage, TSharedPtr<void>> Data;
+    
+};