Match C++ managed memory alloc with C# for scripting

Source/Engine/Engine/NativeInterop.cs

@@ -1098,6 +1098,18 @@ namespace FlaxEngine
             nativeLibraryPaths[moduleName] = modulePath;
         }
 
+        [UnmanagedCallersOnly]
+        internal static void* AllocMemory(int size)
+        {
+            return NativeMemory.AlignedAlloc((UIntPtr)size, 16);
+        }
+
+        [UnmanagedCallersOnly]
+        internal static void FreeMemory(void* ptr)
+        {
+            NativeMemory.AlignedFree(ptr);
+        }
+
         internal static void* NativeAlloc(int byteCount)
         {
             return NativeMemory.AlignedAlloc((UIntPtr)byteCount, 16);

Source/Engine/Scripting/DotNet/CoreCLR.cpp

@@ -129,14 +129,18 @@ void CoreCLR::RegisterNativeLibrary(const char* moduleName, const char* modulePa
     CoreCLR::CallStaticMethod<void, const char*, const char*>(RegisterNativeLibraryPtr, moduleName, modulePath);
 }
 
-void* CoreCLR::Allocate(int size)
+void* CoreCLR::Allocate(int32 size)
 {
-    return Platform::Allocate(size, 16);
+    static void* AllocMemoryPtr = CoreCLR::GetStaticMethodPointer(TEXT("AllocMemory"));
+    return CoreCLR::CallStaticMethod<void*, int32>(AllocMemoryPtr, size);
 }
 
 void CoreCLR::Free(void* ptr)
 {
-    Platform::Free(ptr);
+    if (!ptr)
+        return;
+    static void* FreeMemoryPtr = CoreCLR::GetStaticMethodPointer(TEXT("FreeMemory"));
+    CoreCLR::CallStaticMethod<void, void*>(FreeMemoryPtr, ptr);
 }
 
 #endif

Source/Engine/Scripting/DotNet/CoreCLR.h

@@ -49,7 +49,7 @@ public:
     static void RegisterNativeLibrary(const char* moduleName, const char* modulePath);
 
     static const char* GetClassFullname(void* klass);
-    static void* Allocate(int size);
+    static void* Allocate(int32 size);
     static void Free(void* ptr);
     static MGCHandle NewGCHandle(void* obj, bool pinned);
     static MGCHandle NewGCHandleWeakref(void* obj, bool track_resurrection);

Source/Engine/Scripting/DotNet/MonoApi.cpp

@@ -1450,8 +1450,7 @@ MONO_API MONO_RT_EXTERNAL_ONLY MonoMethod* mono_class_get_method_from_name(MonoC
 
 MONO_API void mono_free(void* ptr)
 {
-    if (ptr != nullptr)
-        CoreCLR::Free(ptr);
+    CoreCLR::Free(ptr);
 }
 
 /*