#include<iostream>
#include <fstream>
#include <GL/glut.h>

using namespace std;

void display();
void specialKeys();
void szescian();
void ostroslup();


double rotate_y = 25;
double rotate_x = -15;

GLfloat W[9][3] =
{
    {0.5, 0.5, -0.5},//przod prawy gora 0
    {-0.5, 0.5, -0.5},//przod lewy gora 1
    {0.5, -0.5, -0.5},//przod prawy dol 2
    {-0.5, -0.5, -0.5},//przod lewy dol 3
    {0.5f, 0.5f, 0.5f},//tyl prawy gora 4
    {-0.5f, -0.5f, 0.5f},//tyl lewy dol 5
    {-0.5f, 0.5f, 0.5f},//tyl lewy gora 6
    {0.5f, -0.5f, 0.5f},//tyl prawo dol 7
    {0,0.75,0} //wierzcholek ostroslupa 8
};

void WypiszDoPliku()
{
    ofstream fout;
    fout.open("wierzcholki.txt");

    if (fout.good())
    {
        cout << "Każda wiersz to wierzcholek o wspolrzednych 'x','y' oraz 'z' zawarty w kalumnach " << endl;
        for (unsigned i = 0; i < 9; i++)
        {
            for (unsigned j = 0; j < 3; j++)
            {
                fout << W[i][j] << " ";
            }
            fout << endl;
        }

        fout.close();
    }

}

void display() {

    //  Clear screen and Z-buffer
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // Reset transformations
    glLoadIdentity();



    // Rotate when user changes rotate_x and rotate_y
    glRotatef(rotate_x, 1.0, 0.0, 0.0);
    glRotatef(rotate_y, 0.0, 1.0, 0.0);

    szescian();
    ostroslup();




    glFlush();
    glutSwapBuffers();

}




// ----------------------------------------------------------
// specialKeys() Callback Function
// ----------------------------------------------------------
void specialKeys(int key, int x, int y) {

    //  Right arrow - increase rotation by 5 degree
    if (key == GLUT_KEY_RIGHT)
        rotate_y += 5;

    //  Left arrow - decrease rotation by 5 degree
    else if (key == GLUT_KEY_LEFT)
        rotate_y -= 5;

    else if (key == GLUT_KEY_UP)
        rotate_x += 5;

    else if (key == GLUT_KEY_DOWN)
        rotate_x -= 5;

    //  Request display update
    glutPostRedisplay();

}

// ----------------------------------------------------------
// main() function
// ----------------------------------------------------------
int main(int argc, char* argv[]) {

    //  Initialize GLUT and process user parameters
    glutInit(&argc, argv);

    //  Request double buffered true color window with Z-buffer
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
    glutInitWindowSize(800, 800);
    glutInitWindowPosition(0, 0);
    // Create window
    glutCreateWindow("Awesome Cube");

    //  Enable Z-buffer depth test
    glEnable(GL_DEPTH_TEST);

    // Callback functions
    glutDisplayFunc(display);
    glutSpecialFunc(specialKeys);
    WypiszDoPliku();
    //  Pass control to GLUT for events
    glutMainLoop();



    return 0;

}



void szescian()
{

    //ZIELONY
    glPushMatrix();
    glBegin(GL_LINES);
    glColor3f(0, 1, 0);
    //lewa - gora
    glVertex3f(W[0][0],W[0][1],W[0][2]);
    glVertex3f(W[1][0],W[1][1],W[1][2]);

    //prawa - gora
    glVertex3f(W[0][0], W[0][1], W[0][2]);
    glVertex3f(W[4][0],W[4][1],W[4][2]);

    //pion - wysokosc
    glVertex3f(W[0][0], W[0][1], W[0][2]);
    glVertex3f(W[2][0],W[2][1],W[2][2]);

    glEnd();
    glPopMatrix();


    //CZERWONY
    glPushMatrix();
    glBegin(GL_LINES);
    glColor3f(1, 0, 0);
    //prawy - dol
    glVertex3f(W[3][0],W[3][1],W[3][2]);
    glVertex3f(W[2][0], W[2][1], W[2][2]);

    //pion - wysokosc
    glVertex3f(W[3][0], W[3][1], W[3][2]);
    glVertex3f(W[1][0], W[1][1], W[1][2]);

    //lewy - dol
    glVertex3f(W[3][0], W[3][1], W[3][2]);
    glVertex3f(W[5][0],W[5][1],W[5][2]);

    glEnd();
    glPopMatrix();


    //NIEBIESKI
    glPushMatrix();
    glBegin(GL_LINES);
    glColor3f(0, 0, 1);
    //prawy - gora
    glVertex3f(W[6][0],W[6][1],W[6][2]);
    glVertex3f(W[1][0], W[1][1], W[1][2]);

    //pion - wysokosc
    glVertex3f(W[6][0], W[6][1], W[6][2]);
    glVertex3f(W[5][0], W[5][1], W[5][2]);

    //lewy - gora
    glVertex3f(W[6][0], W[6][1], W[6][2]);
    glVertex3f(W[4][0], W[4][1], W[4][2]);

    glEnd();
    glPopMatrix();

    //FIOLETOWY
    glPushMatrix();
    glBegin(GL_LINES);
    glColor3f(1, 0, 1);
    //prawy - dol
    glVertex3f(W[7][0], W[7][1], W[7][2]);
    glVertex3f(W[5][0], W[5][1], W[5][2]);

    //pion - wysokosc
    glVertex3f(W[7][0], W[7][1], W[7][2]);
    glVertex3f(W[4][0], W[4][1], W[4][2]);

    //lewo - dol
    glVertex3f(W[7][0], W[7][1], W[7][2]);
    glVertex3f(W[2][0], W[2][1], W[2][2]);

    glEnd();
    glPopMatrix();
}

void ostroslup()
{
    //BLEKITNY
    glPushMatrix();
    glBegin(GL_LINES);
    glColor3f(0, 1, 1);
    //lewa - przod
    glVertex3f(W[8][0], W[8][1], W[8][2]);
    glVertex3f(W[1][0], W[1][1], W[1][2]);
    //prawa przod
    glVertex3f(W[8][0], W[8][1], W[8][2]);
    glVertex3f(W[0][0], W[0][1], W[0][2]);
    //prawa tyl
    glVertex3f(W[8][0], W[8][1], W[8][2]);
    glVertex3f(W[4][0], W[4][1], W[4][2]);
    //lewa tyl
    glVertex3f(W[8][0], W[8][1], W[8][2]);
    glVertex3f(W[6][0], W[6][1], W[6][2]);

    glEnd();
    glPopMatrix();
}