Read file type: SOSI (map format; Norwegian)

void Renderer::initializeSOSI(QString filePath)
{
    // Open a file from filepath
    QFile mFile(filePath);
    if (!mFile.open(QFile::ReadOnly | QFile::Text))
    {
        qDebug() << "Could not read SOSI file.";
        return;
    }

    int currentRow = 0;
    int vertexCounter = 0;
    int curveCounter = 0;

    QTextStream in(&mFile);
    std::string text;

    Vector2* subtract {nullptr};
    Vector3 divide(10000, 100, 10000);
    Vector3 color = Vector3(0.5f, 0.5f, 0.5f);

    while (!in.atEnd())
    {
        std::stringstream sStream;
        text = in.readLine().toStdString();
        sStream << text;
        std::string lineHeader;
        sStream >> lineHeader;
        currentRow++;

        if (lineHeader == ".PUNKT")
        {
            float y;
            vertexCounter = 0;
            curveCounter = mTriangles.size();

            while (true)
            {
                std::stringstream pointStream;
                text = in.readLine().toStdString();
                pointStream << text;
                lineHeader = "";
                pointStream >> lineHeader;
                currentRow++;

                if (lineHeader == "..HØYDE")
                {
                    pointStream >> y;
                    if ((int)y % 100 == 0)
                        color = Vector3(1.0f, 0.0f, 0.0f);
                    else
                        color = Vector3(0.5f, 0.5f, 0.5f);
                    y = y / divide.y;
                }
                else if (lineHeader == "..NØ")
                {
                    text = in.readLine().toStdString();
                    std::stringstream points;
                    points << text;

                    // Get coordinate
                    float x, z;
                    points >> x >> z;

                    if (subtract == nullptr)
                    {
                        subtract = new Vector2(x, z);
                    }

                    x = (x - subtract->x) / divide.x;
                    z = (z - subtract->y) / divide.z;

                    // Add vertex to vertex array
                    mVertices.push_back(Vertex(Vector3(x, y, z), color, Vector2(0, 0)));
                    mTriangles.push_back(vertexCounter + curveCounter);
                    mTriangles.push_back(++vertexCounter + curveCounter);

                    // Points only have one line of coordinates, so we break out of the loop
                    break;
                }
            }
        }
        else if (lineHeader == ".KURVE")
        {
            float y = 0;
            vertexCounter = 0;
            curveCounter = mTriangles.size();

            // End of SOSI-file has a ".SLUTT"
            while (lineHeader != ".SLUTT")
            {
                std::stringstream pointStream;
                text = in.readLine().toStdString();
                pointStream << text;
                lineHeader = "";
                pointStream >> lineHeader;
                currentRow++;

                if (lineHeader == "..HØYDE")
                {
                    pointStream >> y;
                    if ((int)y % 100 == 0)
                        color = Vector3(1.0f, 0.0f, 0.0f);
                    else
                        color = Vector3(0.5f, 0.5f, 0.5f);
                    y = y / divide.y;
                }
                else if (lineHeader == "..NØ")
                {
                    while (true)
                    {
                        text = in.readLine().toStdString();
                        std::stringstream points;
                        points << text;
                        lineHeader = "";
                        points >> lineHeader;
                        currentRow++;

                        //First point in a curve is always separate, so a ..NØ will show up before the second curve point
                        if(lineHeader == "..NØ")
                        {
                            continue; //Skip this loop
                        }
                        else if(lineHeader == ".KURVE" || lineHeader == ".SLUTT")
                        {
                            break; //New curve starts
                        }

                        // Get coordinate
                        float x, z;
                        x = stof(lineHeader);
                        points >> z;

                        if(subtract == nullptr)
                        {
                            subtract = new Vector2(x, z);
                        }

                        x = (x - subtract->x)/divide.x;
                        z = (z - subtract->y)/divide.z;

                        //qDebug() << x/divide << ", " << z/divide;
                        // Add vertex to vertices array
                        mVertices.push_back(Vertex(Vector3(x, y, z), color, Vector2(0,0)));
                        mTriangles.push_back(vertexCounter + curveCounter);
                        mTriangles.push_back(++vertexCounter + curveCounter);
                    }
                }
            }
        }
        else
            continue;
    }

    // Buffers
    initializeBuffers();

    // Draw mode
    setDrawMode(GL_POINTS);
}