#include <windows.h>
#include <gl/Gl.h>
#include <gl/Glu.h>
#include <gl/Glut.h>
#include <iostream.h>
//<<<< wall >>>>//
void wall(double thickness)
{
  glPushMatrix();
  glTranslated(0.5,0.5*thickness,0.5);
  glScaled(1.0,thickness,1.0);
  glutSolidCube(1.0);
  glPopMatrix();
}

//<<<< tableleg >>>>//
void tableLeg(double thick, double len)
{
  glPushMatrix();
  glTranslated(0,len/2,0);
  glScaled(thick,len,thick);
  glutSolidCube(1.0);
  glPopMatrix();
}

//<<<< jack part >>>>//
void jackPart()
{
  glPushMatrix();
  glScaled(0.2,0.2,1.0);
  glutSolidSphere(1,15,15);
  glPopMatrix();
  glPushMatrix();
  glTranslated(0,0,1.2);
  glutSolidSphere(0.2,15,15);
  glTranslated(0,0,-2.4);
  glutSolidSphere(0.2,15,15);
  glPopMatrix();
}

//<<<< jack >>>>//
void jack()
{
  glPushMatrix();
  jackPart();
  glRotated(90.0,0,1,0);
  jackPart();
  glRotated(90.0,1,0,0);
  jackPart();
  glPopMatrix();
}

//<<<< table >>>>//
void table(double topWid,double topThick,double legThick,double legLen)
{
  glPushMatrix();
  glTranslated(0,legLen,0);
  glScaled(topWid, topThick, topWid);
  glutSolidCube(1.0);
  glPopMatrix();
  double dist= 0.95 * topWid / 2.0 - legThick / 2.0;
  glPushMatrix();
  glTranslated(dist,0,dist);
  tableLeg(legThick,legLen);
  glTranslated(0,0,-2*dist);
  tableLeg(legThick,legLen);
  glTranslated(-2*dist,0,2*dist);
  tableLeg(legThick,legLen);
  glTranslated(0,0,-2*dist);
  tableLeg(legThick,legLen);
  glPopMatrix();
}

//<<<< displaySolid >>>>//
void displaySolid(void)
{
// set properties of the surface material
//  GLfloat mat_ambient[] = {0.7f,0.7f,0.7f,1.0f};
  GLfloat mat_ambient[] = {0.0f,0.0f,0.7f,1.0f};
  GLfloat mat_diffuse[] = {0.6f,0.6f,0.6f,1.0f};
  GLfloat mat_specular[] = {1.0f,1.0f,1.0f,1.0f};
  GLfloat mat_shininess[] = {50.0f};
  glMaterialfv(GL_FRONT,GL_AMBIENT,mat_ambient);
  glMaterialfv(GL_FRONT,GL_DIFFUSE,mat_diffuse);
  glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular);
  glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess);
// set the light source properties  
  GLfloat lightIntensity[] = {0.7f,0.7f,0.7f,1.0f};
  GLfloat light_position[] = {2.0f,6.0f,3.0f,0.0f};
  glLightfv(GL_LIGHT0,GL_POSITION,light_position);
  glLightfv(GL_LIGHT0,GL_DIFFUSE,lightIntensity);
// set camera
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  double winHt = 1.0;
  glOrtho(-winHt*64/48.0, winHt*64/48.0, -winHt, winHt, 0.1, 100.0);
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();
  gluLookAt(2.3, 1.3, 2, 0, 0.25, 0, 0.0, 1.0, 0.0);
// start drawing
  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
  glPushMatrix();
  glTranslated(0.4, 0.4, 0.6);
  glRotated(45.0,0,0,1);
  glScaled(0.08, 0.08, 0.08);
  
jack();
  glPopMatrix();
  glPushMatrix();
  glTranslated(0.6,0.38,0.5);
  glRotated(30,0,1,0);
  glutSolidTeapot(0.08);
  glPopMatrix();
  glPushMatrix();
//  glTranslated(0.25,0.42,0.35);
  glTranslated(1.25,0.42,0.35);
  glutSolidSphere(0.1, 15, 15);
  glPopMatrix();
  glPushMatrix();
  glTranslated(0.4,0,0.4);
  table(0.6,0.02,0.02,0.3);
  glPopMatrix();
  wall(0.02);
  glPushMatrix();
  glRotated(90.0,0.0,0.0,1.0);
  wall(0.02);
  glPopMatrix();
  glPushMatrix();
  glRotated(-90.0,1.0,0.0,0.0);
  wall(0.02);
  glPopMatrix();
  glFlush();
}
    
//<<<< main >>>>
void main(int argc, char** argv)
{
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB|GLUT_DEPTH);
   glutInitWindowSize(800,600);
   glutInitWindowPosition(100,100);
   glutCreateWindow("shaded example - 3D scene");
   glutDisplayFunc(displaySolid);
   glEnable(GL_LIGHTING);
   glEnable(GL_LIGHT0);
   glShadeModel(GL_SMOOTH);
   glEnable(GL_DEPTH_TEST);
   glEnable(GL_NORMALIZE);
   glClearColor(0.1f,0.1f,0.1f,0.0f);
   glViewport(0,0,640,480);
   glutMainLoop();
}