#include "glcube.h"

GLCube::GLCube(float m_width, const GLColorRgba &m_color, const QString m_textureFile)
    :GLBody(m_width, m_color, m_textureFile)
{
}

void GLCube::makeSurface(QVector<GLPoint> *pointContainer, QVector<GLshort> *indexContainer)
{
    GLBody::makeSurface(pointContainer, indexContainer);

    QVector3D t0 = QVector3D(0.0, 0.0, 0.0); //dummy texture

    QVector3D lbb = QVector3D(0.0, 0.0, 0.0);
    QVector3D rtf = QVector3D(1.0, 1.0, 1.0);

    // Create all the vectors for caching
    QVector3D lbf = QVector3D(lbb.x(), lbb.y(), rtf.z());
    QVector3D rbb = QVector3D(rtf.x(), lbb.y(), lbb.z());
    QVector3D rbf = QVector3D(rtf.x(), lbb.y(), rtf.z());
    QVector3D ltb = QVector3D(lbb.x(), rtf.y(), lbb.z());
    QVector3D ltf = QVector3D(lbb.x(), rtf.y(), rtf.z());
    QVector3D rtb = QVector3D(rtf.x(), rtf.y(), lbb.z());

    // Calculate all normal vectors per side
    QVector3D nTop = v_Y;//QVector3D::normal(ltb - rtf, rtb - ltf);
    QVector3D nBottom = -v_Y;//QVector3D::normal(lbb - rbf, rbb - lbf);
    QVector3D nBack = -v_Z;//QVector3D::normal(lbb - rtb, ltb - rbb);
    QVector3D nFront = v_Z;//QVector3D::normal(lbf - rtf, ltf - rtf);
    QVector3D nLeft = -v_X;//QVector3D::normal(lbb - ltf, lbf - ltb);
    QVector3D nRight = v_X;//QVector3D::normal(rbb - rtf, rbf - rtb);

    m_firstPoint = m_points->size();

    // Bottom plane
    m_points->append(GLPoint(lbb, nBottom, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(lbf, nBottom, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(rbb, nBottom, t0, GLColorRgba::clRed));

    m_points->append(GLPoint(rbf, nBottom, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(lbf, nBottom, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(rbb, nBottom, t0, GLColorRgba::clRed));

    // Back plane
    m_points->append(GLPoint(lbb, nBack, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(rbb, nBack, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(ltb, nBack, t0, GLColorRgba::clGreen));

    m_points->append(GLPoint(rtb, nBack, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(rbb, nBack, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(ltb, nBack, t0, GLColorRgba::clGreen));

    // Left plane
    m_points->append(GLPoint(lbb, nLeft, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(lbf, nLeft, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(ltb, nLeft, t0, GLColorRgba::clBlue));

    m_points->append(GLPoint(ltf, nLeft, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(lbf, nLeft, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(ltb, nLeft, t0, GLColorRgba::clBlue));

    // Right plane
    m_points->append(GLPoint(rbb, nRight, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(rbf, nRight, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(rtb, nRight, t0, GLColorRgba::clBlue));

    m_points->append(GLPoint(rtf, nRight, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(rbf, nRight, t0, GLColorRgba::clBlue));
    m_points->append(GLPoint(rtb, nRight, t0, GLColorRgba::clBlue));

    // Top plane
    m_points->append(GLPoint(ltb, nTop, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(ltf, nTop, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(rtb, nTop, t0, GLColorRgba::clRed));

    m_points->append(GLPoint(rtf, nTop, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(ltf, nTop, t0, GLColorRgba::clRed));
    m_points->append(GLPoint(rtb, nTop, t0, GLColorRgba::clRed));

    // Front plane
    m_points->append(GLPoint(lbf, nFront, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(rbf, nFront, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(ltf, nFront, t0, GLColorRgba::clGreen));

    m_points->append(GLPoint(rtf, nFront, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(rbf, nFront, t0, GLColorRgba::clGreen));
    m_points->append(GLPoint(ltf, nFront, t0, GLColorRgba::clGreen));

    m_nextPoint = m_points->size();
}