#include "nmPebiGridViewData.h"

#include <vtkUnstructuredGrid.h>

nmPebiGridViewData::nmPebiGridViewData()
    : m_pGrid(nullptr),
      m_eGridType(NM_Grid_UNKNWON),
      m_nGridInputRevision(0),
      m_nValidCellCount(0),
      m_bHasMaterial(false)
{
}

void nmPebiGridViewData::clear()
{
    // 只解除共享的 VTK 引用，不删除 DataManager 持有的实时网格。
    m_pGrid = nullptr;
    m_eGridType = NM_Grid_UNKNWON;
    m_nGridInputRevision = 0;
    m_nValidCellCount = 0;
    m_bHasMaterial = false;
}

bool nmPebiGridViewData::isValid() const
{
    return m_pGrid != nullptr &&
            m_pGrid->GetNumberOfPoints() > 0 &&
            m_pGrid->GetNumberOfCells() > 0 &&
            m_nValidCellCount > 0;
}

vtkUnstructuredGrid* nmPebiGridViewData::getGrid() const
{
    return m_pGrid;
}

NM_Grid_Type nmPebiGridViewData::getGridType() const
{
    return m_eGridType;
}

quint64 nmPebiGridViewData::getGridInputRevision() const
{
    return m_nGridInputRevision;
}

vtkIdType nmPebiGridViewData::getValidCellCount() const
{
    return m_nValidCellCount;
}

bool nmPebiGridViewData::hasMaterial() const
{
    return m_bHasMaterial;
}