UnitySceneGraphObserver.h

#pragma once

#include "ISceneElementInGraphObserver.h"
#include "SceneElement.h"
#include "UnityCallbacks.h"

namespace Eegeo
{
    namespace Unity
    {
        template <class TRenderableType>
        class UnitySceneGraphObserver : public Rendering::Scene::ISceneElementInGraphObserver<TRenderableType>
        {
        public:

            UnitySceneGraphObserver(const MeshCallbacks& meshCallbacks)
                : m_meshCallbacks(meshCallbacks)
            {

            }

        private:

            void SetVisible(const std::string& resourceName, bool visible)
            {
                m_meshCallbacks.SetVisible(resourceName.c_str(), visible);
            }

            void OnAddedToSceneGraph(Rendering::Scene::SceneElement<TRenderableType>* resource) override
            {
                SetVisible(resource->GetName(), true);
            }

            void OnRemovedFromSceneGraph(Rendering::Scene::SceneElement<TRenderableType>* resource) override
            {
                SetVisible(resource->GetName(), false);
            }

            const MeshCallbacks& m_meshCallbacks;
        };
    }
}