ResourceNode.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "Resources.h"
#include "MortonKey.h"
#include <vector>

namespace Eegeo
{
    namespace Streaming 
    {          
        class ResourceNode : protected Eegeo::NonCopyable
        {
        private:
            typedef std::vector<Resources::IBuiltResource*> TResourceVector;
            TResourceVector m_resources;
            int m_numOfPoolAdds;
            int m_numOfPoolAllocates;
            
        public:
            ResourceNode(const std::vector<Resources::IBuiltResource*>& resources);
            
            ~ResourceNode();
            
            int count() { return static_cast<int>(m_resources.size()); }
            const std::vector<Resources::IBuiltResource*> &resources() { return m_resources; }
            
            void AddedToSceneGraph(MortonKey key);
            void RemovedFromSceneGraph();
            
            void SetAddedToPool(void)
            {
                const bool notInCache = m_numOfPoolAdds == m_numOfPoolAllocates;
                Eegeo_ASSERT(notInCache, "ResourceNode should not be in cache (%d adds, %d removes)", m_numOfPoolAdds, m_numOfPoolAllocates);
                m_numOfPoolAdds++;
            }
            
            void SetAllocatedFromPool(void)
            {
                const bool isInCache = m_numOfPoolAdds == (m_numOfPoolAllocates + 1);
                Eegeo_ASSERT(isInCache, "ResourceNode should be in cache (%d adds, %d removes)", m_numOfPoolAdds, m_numOfPoolAllocates);
                m_numOfPoolAllocates++;
            }
        };
    }
}