#include "materials.h"
#include <windows.h>
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif

#include <stdlib.h>

static  float katRef = 30;
static  float skupRef = 2;
static  float kat = 0;

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };
const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };

const GLfloat *mat_ambient    = PolishedGoldAmbient;
const GLfloat *mat_diffuse    = PolishedGoldDiffuse;
const GLfloat *mat_specular   = PolishedGoldSpecular;
GLfloat high_shininess = PolishedGoldShininess;

GLfloat fPozycja_reflektora[4] = {0.0f, 0.0f, -4.f, 1.0f};
GLfloat fKierunek_reflektora[4] = {0.f, 1.2f, -6.f, 1.0f};
GLfloat fSlabe_swiatlo[] = {0.55f, 0.0f, 0.0f, 1.0f};
GLfloat fMocne_swiatlo[] = {1.0f, 0.0f, 0.0f, 1.0f};




static int slices = 16;
static int stacks = 16;

/* GLUT callback Handlers */

static void resize(int width, int height)
{
    const float ar = (float) width / (float) height;

    glViewport(0, 0, width, height);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glFrustum(-ar, ar, -1.0, 1.0, 2.0, 100.0);

    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity() ;
}

static void display(void)
{
    const double t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
    const double a = t*90.0;

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glColor3d(1,0,0);



    glPushMatrix();
        glTranslated(-2.4,0,-6);
        glutSolidCube(1);
    glPopMatrix();

     glPushMatrix();
        glTranslated(0,0,-6);
        glutSolidCone(1,1,20,20);
    glPopMatrix();


    glPushMatrix();
        glTranslated(2.4,0,-6);
        glutSolidTorus(0.2,0.8,20,20);
    glPopMatrix();



    glutSwapBuffers();
}


static void key(unsigned char key, int x, int y)
{
    switch (key)
    {
        case 27 :
        case 'q':
            exit(0);
            break;



        case 'a':
            fPozycja_reflektora[0]-=0.1;
            glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
            break;

         case 'd':
            fPozycja_reflektora[0]+=0.1;
            glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
            break;

        case 'w':
            fPozycja_reflektora[1]+=0.1;
            glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
            break;

        case 's':
            fPozycja_reflektora[1]-=0.1;
            glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
            break;
        case '+':
            fPozycja_reflektora[2]+=0.1;
            glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
            break;
        case '-':
            fPozycja_reflektora[2]-=0.1;
            glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
            break;


            case 't':
            fKierunek_reflektora[0]-=0.1;
            glLightfv(GL_LIGHT1,GL_SPOT_DIRECTION, fKierunek_reflektora);
            break;

         case 'g':
            fKierunek_reflektora[0]+=0.1;
            glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, fKierunek_reflektora);
            break;

        case 'f':
            fKierunek_reflektora[1]+=0.1;
            glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, fKierunek_reflektora);
            break;

        case 'h':
            fKierunek_reflektora[1]-=0.1;
            glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, fKierunek_reflektora);
            break;
        case 'u':
            fKierunek_reflektora[2]+=0.1;
            glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, fKierunek_reflektora);
            break;
        case 'j':
            fKierunek_reflektora[2]-=0.1;
            glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, fKierunek_reflektora);
            break;

             case '1':
            skupRef+=1;
            glLightf(GL_LIGHT1, GL_SPOT_EXPONENT, skupRef);
            break;
        case '2':
            skupRef-=1;
            glLightf(GL_LIGHT1, GL_SPOT_EXPONENT, skupRef);
            break;

            case '3':
            katRef+=1;
            glLightf(GL_LIGHT1, GL_SPOT_CUTOFF, katRef);
            break;
        case '4':
            katRef-=1;
            glLightf(GL_LIGHT1, GL_SPOT_CUTOFF, katRef);
            break;
    }

    glutPostRedisplay();
}

static void idle(void)
{
    glutPostRedisplay();
}

void menu(int value)
{
    if(value == 0)
    {
        glDisable(GL_LIGHT1);

        glEnable(GL_LIGHT0);
    }

    if(value == 1)
    {
       // glDisable(GL_LIGHT0);
        glEnable(GL_LIGHT1);
    }
}



/* Program entry point */

int main(int argc, char *argv[])
{
    glutInit(&argc, argv);
    glutInitWindowSize(640,480);
    glutInitWindowPosition(10,10);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("GLUT Shapes");

    glutReshapeFunc(resize);
    glutDisplayFunc(display);
    glutKeyboardFunc(key);
    glutIdleFunc(idle);

    glClearColor(0,0,0,1);
    glEnable(GL_CULL_FACE);
    glCullFace(GL_BACK);

    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);
    glEnable(GL_NORMALIZE);
    //glEnable(GL_COLOR_MATERIAL);
    glEnable(GL_LIGHTING);

    glutCreateMenu(menu);
        glutAddMenuEntry("Ogolne swiatlo",0);
        glutAddMenuEntry("Punktowe",1);
    glutAttachMenu(GLUT_RIGHT_BUTTON);

//-------------------swiatlo ogolne-------------------
    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glLightf(GL_LIGHT1, GL_SPOT_CUTOFF, katRef);
    glLightf(GL_LIGHT1, GL_SPOT_EXPONENT, skupRef);

    glLightfv(GL_LIGHT1, GL_AMBIENT,  fSlabe_swiatlo);
    glLightfv(GL_LIGHT1, GL_DIFFUSE,  fMocne_swiatlo);
    glLightfv(GL_LIGHT1, GL_SPECULAR, fMocne_swiatlo);
    glLightfv(GL_LIGHT1, GL_POSITION, fPozycja_reflektora);
    glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, fKierunek_reflektora);





//----------------- ustawienie materialu
    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);
    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);
    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);
    glMaterialf(GL_FRONT, GL_SHININESS, high_shininess);

    glutMainLoop();

    return EXIT_SUCCESS;
}