Update MetalTextureCache close handling

openVulkanoCpp/Vulkan/Metal/MetalTextureCache.h

@@ -21,6 +21,7 @@ namespace OpenVulkano::Vulkan
 		Vulkan::ResourceManager* m_resourceManager = nullptr;
 		std::map<void*, MetalBackedTexture> m_mtlToVkTextureMap;
 		Renderer* m_renderer;
+		IEventHandler* m_eventHandler = nullptr;
 
 	public:
 		~MetalTextureCache() { if (m_resourceManager) Close(); }

openVulkanoCpp/Vulkan/Metal/MetalTextureCache.mm

@@ -28,7 +28,7 @@ namespace OpenVulkano::Vulkan
 			Logger::AR->error("Failed to create metal texture cache! Status code: {}", result);
 		}
 		m_resourceManager = &m_renderer->GetResourceManager();
-		m_renderer->RegisterCloseable(this);
+		m_renderer->OnClose += EventHandler(this, &MetalTextureCache::Close);
 	}
 
 	Scene::Texture* MetalTextureCache::Get(CVPixelBufferRef pixelBuffer, MTLPixelFormat pixelFormat)
@@ -57,7 +57,7 @@ namespace OpenVulkano::Vulkan
 	void MetalTextureCache::Close()
 	{
 		m_mtlToVkTextureMap.clear();
-		m_renderer->UnregisterCloseable(this);
+		m_eventHandler->SetInvalid();
 		m_renderer = nullptr;
 		m_resourceManager = nullptr;
 		//TODO delete the texture cache object?

openVulkanoCpp/Vulkan/Renderer.cpp

@@ -89,6 +89,7 @@ namespace OpenVulkano::Vulkan
 		{
 			context.device->device.destroySemaphore(sema);
 		}
+		OnClose();
 		depthBufferQuery.Close();
 		uiRenderer.Close();
 		resourceManager.Close();

openVulkanoCpp/Vulkan/Renderer.hpp

@@ -87,5 +87,7 @@ namespace OpenVulkano::Vulkan
 
 		float GetLastQueriedDepthValue() override { return depthBufferQuery.GetQueriedValue(); }
 		void SetQueryDepthValue(const Math::Vector2f& depthCoordinates) override { depthBufferQuery.SetQueryCoordinates(depthCoordinates); }
+
+		Event<> OnClose;
 	};
 }