int main(int argc, char* argv[]) {
if (argc < 2) {
cerr << "Usage: transforms scenefile [grader input (optional)]\n";
exit(-1);
}
FreeImage_Initialise();
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
glutCreateWindow("HW2: Scene Viewer");
init();
readfile(argv[1]) ;
glutDisplayFunc(display);
glutSpecialFunc(specialKey);
glutKeyboardFunc(keyboard);
glutReshapeFunc(reshape);
glutReshapeWindow(w, h);
if (argc > 2) {
allowGrader = true;
stringstream tcid;
tcid << argv[1] << "." << argv[2];
grader.init(tcid.str());
grader.loadCommands(argv[2]);
grader.bindDisplayFunc(display);
grader.bindSpecialFunc(specialKey);
grader.bindKeyboardFunc(keyboard);
grader.bindScreenshotFunc(saveScreenshot);
}
printHelp();
glutMainLoop();
FreeImage_DeInitialise();
return 0;
}
void keyboard(unsigned char key, int x, int y) {
switch(key) {
case 'w':
stopObjTransform();
break;
case 'o':
stopObjTransform();
startObjTransform();
break;
case '+':
amount++;
std::cout << "amount set to " << amount << "\n" ;
break;
case '-':
amount--;
std::cout << "amount set to " << amount << "\n" ;
break;
case 'i':
if(allowGrader) {
std::cout << "Running tests...\n";
grader.runTests();
std::cout << "Done! [ESC to quit]\n";
} else {
std::cout << "Error: no input file specified for grader\n";
}
break;
case 'g':
useGlu = !useGlu;
reshape(w,h) ;
std::cout << "Using glm::LookAt and glm::Perspective set to: " << (useGlu ? " true " : " false ") << "\n" ;
break;
case 'h':
printHelp();
break;
case 'x':
std::cout << "printing image...\n";
fileName << "extra_credit.obj.screenshot_" << screenshotCount << ".png";
saveScreenshot(fileName.str());
fileName.str("");
screenshotCount++;
break;
case 27: // Escape to quit
exit(0) ;
break ;
case 'r': // reset eye and up vectors, scale and translate.
for(int i = 0; i < 4*numLights; i++) lightposn[i] = lightposnReset[i];
for(int k = 0; k < numobjects; k++){
object * obj = &(objects[k]);
obj -> transform = obj -> transformOriginal;
}
eye = eyeinit ;
up = upinit ;
sx = sy = 1.0 ;
tx = ty = 0.0 ;
break ;
case 'v':
transop = view ;
std::cout << "Operation is set to View\n" ;
break ;
case 't':
transop = translate ;
std::cout << "Operation is set to Translate\n" ;
break ;
case 's':
transop = scale ;
std::cout << "Operation is set to Scale\n" ;
break ;
case '0':
transop = lightop;
activeLight = 0;
std::cout << "Operation is set to light 0 movement\n";
break;
case '1':
transop = lightop;
activeLight = 1;
std::cout << "Operation is set to light 1 movement\n";
break;
case '2':
transop = lightop;
activeLight = 2;
std::cout << "Operation is set to light 2 movement\n";
break;
case '3':
transop = lightop;
activeLight = 3;
std::cout << "Operation is set to light 3 movement\n";
break;
case '4':
transop = lightop;
activeLight = 4;
std::cout << "Operation is set to light 4 movement\n";
break;
case '5':
transop = lightop;
activeLight = 5;
std::cout << "Operation is set to light 5 movement\n";
break;
case '6':
transop = lightop;
activeLight = 6;
std::cout << "Operation is set to light 6 movement\n";
break;
case '7':
transop = lightop;
activeLight = 7;
std::cout << "Operation is set to light 7 movement\n";
break;
case '8':
transop = lightop;
activeLight = 8;
std::cout << "Operation is set to light 8 movement\n";
break;
case '9':
transop = lightop;
activeLight = 9;
std::cout << "Operation is set to light 9 movement\n";
break;
}
glutPostRedisplay();
}
