Update buffer pool handling to use less memory

openVulkanoCpp/Vulkan/Renderer.cpp

@@ -74,6 +74,7 @@ namespace OpenVulkano::Vulkan
 
 	void Renderer::Tick()
 	{
+		if (!scene) [[unlikely]] return;
 		currentImageId = context.swapChain.AcquireNextImage();
 		scene->GetCamera()->SetSize(context.window->GetWidth(), context.window->GetHeight());
 		scene->GetCamera()->SetContentScaleFactor(context.window->GetContentScale());

openVulkanoCpp/Vulkan/Resources/ManagedBuffer.hpp

@@ -48,6 +48,9 @@ namespace OpenVulkano::Vulkan
 
 		[[nodiscard]] void* GetMappedMemory() const { return mapped; }
 
+		template <typename T = char>
+		[[nodiscard]] T* GetMappedMemory() const { return static_cast<T*>(mapped); }
+
 		/**
 		 * \brief Maps the buffer into the memory of the host.
 		 * \tparam T The type of the buffers data.