mesh.h

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/*=========================================================================

  Project:   AtilaCalculatorSoftware
  File:      mesh.h

  Copyright (c) 2020
  All rights reserved.

=========================================================================*/
#ifndef ATILACALCULATORSOFTWARE_MESH_H
#define ATILACALCULATORSOFTWARE_MESH_H

#include "core/utilities.h"
#include "logger/logger.h"

#include <algorithm>
#include <cmath>
#include <cstring>
#include <gidpost.h>
#include <map>
#include <memory>
#include <string>
#include <tuple>
#include <vector>
#include <zlib.h>

#define DIM(x) x == 3 ? GiD_3D : GiD_2D

//  --------------------------------------------------------------------------------------
//  NODE
//  --------------------------------------------------------------------------------------

class Node {
  public:
    Node(unsigned int id, const float* coord);

    Node(unsigned int id, float x, float y, float z);

    unsigned int getId() const;

    const float* getCoords();

    float getX();

    float getY();

    float getZ();

  private:
    const unsigned int id;

    float coord[3];
};

//  --------------------------------------------------------------------------------------
//  MESH
//  --------------------------------------------------------------------------------------

class Mesh {
  public:
    Mesh(gzFile file, dataFields fields);

    std::string getName();

    std::string getElementName();

    GiD_ElementType getElementType();

    unsigned int getDimCount() const;

    unsigned int getNodeCount() const;

    unsigned int getElementCount() const;

    std::vector<Node> getNodes();

    std::tuple<int&, int*> getElement(const unsigned int& id) const;

    //    /**
    //     * @brief Write the mesh into a currently open PostResultFile
    //     * @return The state of the GiD Post Mesh closure
    //     */
    //    const int toPostGid();

    static GiD_ElementType getGiDElementType(const char* element);

    static size_t maxNodeCount;

    const static std::map<std::string, GiD_ElementType> GiD_ElementTypeEncoding;

  private:
    void readCoordinates(gzFile& file, char buffer[GZ_BUFFER_SIZE]);

    void readElements(gzFile& file, char buffer[GZ_BUFFER_SIZE]);

    std::string name;

    std::string elementName;

    GiD_ElementType elementType;

    unsigned int dimCount;

    unsigned int nodeCount;

    unsigned int elementCount;

    std::vector<Node> nodes;

    int* elements;

    int* elementsConnectivity;
};

#endif // ATILACALCULATORSOFTWARE_MESH_H