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#include "meshdatamanager_p.h"

QT_BEGIN_NAMESPACE

namespace Qt3D {
namespace Render {

// Called by aspect thread when RenderMesh receive a new functor in syncChanges
void MeshDataManager::addMeshData(QAbstractMeshFunctorPtr functor, const QNodeId &meshUuid)
{
    m_meshesPending[meshUuid] = functor;
}

// Called by single thread in QRenderAspect
// Needs to be protected as we ways call it while addMeshData is called
QHash<QNodeId, QAbstractMeshFunctorPtr> MeshDataManager::meshesPending()
{
    QHash<QNodeId, QAbstractMeshFunctorPtr> meshFunctors = m_meshesPending;
    m_meshesPending.clear();
    return meshFunctors;
}

HMeshData MeshDataManager::meshDataFromFunctor(QAbstractMeshFunctorPtr functor) const
{
    QHash<QAbstractMeshFunctorPtr, HMeshData>::const_iterator it = m_meshFunctors.begin();
    const QHash<QAbstractMeshFunctorPtr, HMeshData>::const_iterator end = m_meshFunctors.end();

    while (it != end) {
        if (*it.key() == *functor)
            return it.value();
        ++it;
    }
    return HMeshData();
}

void MeshDataManager::addMeshDataForFunctor(HMeshData meshDataHandle, QAbstractMeshFunctorPtr functor)
{
    m_meshFunctors.insert(functor, meshDataHandle);
}

} // namespace Render
} // namespace Qt3D

QT_END_NAMESPACE