nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@1: #include <string.h>
nuclear@0: #include <assert.h>
nuclear@0: #include <GL/glew.h>
nuclear@0: #ifdef __APPLE__
nuclear@0: #include <GLUT/glut.h>
nuclear@0: #else
nuclear@0: #include <GL/glut.h>
nuclear@0: #endif
nuclear@1: #include "vr.h"
nuclear@0: #include "camera.h"
nuclear@0: 
nuclear@0: static bool init();
nuclear@0: static void cleanup();
nuclear@0: static void disp();
nuclear@0: static void idle();
nuclear@0: static void reshape(int x, int y);
nuclear@0: static void keyb(unsigned char key, int x, int y);
nuclear@0: static void sball_rotate(int rx, int ry, int rz);
nuclear@1: static bool parse_args(int argc, char **argv);
nuclear@0: 
nuclear@0: static Camera cam;
nuclear@0: static int width, height;
nuclear@1: static bool use_vr = false;
nuclear@0: 
nuclear@0: int main(int argc, char **argv)
nuclear@0: {
nuclear@0: 	glutInit(&argc, argv);
nuclear@1: 
nuclear@1: 	if(!parse_args(argc, argv)) {
nuclear@1: 		return 1;
nuclear@1: 	}
nuclear@1: 
nuclear@0: 	glutInitWindowSize(1280, 800);
nuclear@0: 	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
nuclear@0: 	glutCreateWindow("oculus test 01");
nuclear@0: 
nuclear@0: 	glutDisplayFunc(disp);
nuclear@0: 	glutIdleFunc(idle);
nuclear@0: 	glutReshapeFunc(reshape);
nuclear@0: 	glutKeyboardFunc(keyb);
nuclear@0: 	glutSpaceballRotateFunc(sball_rotate);
nuclear@0: 
nuclear@0: 	glewInit();
nuclear@0: 
nuclear@0: 	if(!init()) {
nuclear@0: 		return 1;
nuclear@0: 	}
nuclear@0: 	atexit(cleanup);
nuclear@0: 
nuclear@0: 	glutMainLoop();
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: static bool init()
nuclear@0: {
nuclear@0: 	glEnable(GL_DEPTH_TEST);
nuclear@0: 	glEnable(GL_LIGHTING);
nuclear@0: 	glEnable(GL_CULL_FACE);
nuclear@0: 
nuclear@0: 	glEnable(GL_LIGHT0);
nuclear@0: 	glEnable(GL_LIGHTING);
nuclear@0: 
nuclear@1: 	if(vr_init(VR_INIT_OCULUS) == -1) {
nuclear@0: 		return false;
nuclear@0: 	}
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: static void cleanup()
nuclear@0: {
nuclear@1: 	vr_shutdown();
nuclear@0: }
nuclear@0: 
nuclear@0: static void disp()
nuclear@0: {
nuclear@0: 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0: 
nuclear@0: 	glMatrixMode(GL_PROJECTION);
nuclear@0: 	glLoadIdentity();
nuclear@0: 	gluPerspective(45.0, (float)width / (float)height, 0.5, 500.0);
nuclear@0: 
nuclear@0: 	glMatrixMode(GL_MODELVIEW);
nuclear@0: 	glLoadIdentity();
nuclear@0: 	glTranslatef(0, 0, -8);
nuclear@0: 
nuclear@0: 	float lpos[] = {0, 60, 0, 1};
nuclear@0: 	glLightfv(GL_LIGHT0, GL_POSITION, lpos);
nuclear@0: 
nuclear@0: 	glFrontFace(GL_CW);
nuclear@0: 	glutSolidTeapot(1.0);
nuclear@0: 	glFrontFace(GL_CCW);
nuclear@0: 
nuclear@0: 	glutSwapBuffers();
nuclear@0: 	assert(glGetError() == GL_NO_ERROR);
nuclear@0: }
nuclear@0: 
nuclear@0: static void idle()
nuclear@0: {
nuclear@0: 	glutPostRedisplay();
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: static void reshape(int x, int y)
nuclear@0: {
nuclear@0: 	width = x;
nuclear@0: 	height = y;
nuclear@0: }
nuclear@0: 
nuclear@0: static void keyb(unsigned char key, int x, int y)
nuclear@0: {
nuclear@0: 	switch(key) {
nuclear@0: 	case 27:
nuclear@0: 		exit(0);
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: static void sball_rotate(int rx, int ry, int rz)
nuclear@0: {
nuclear@0: }
nuclear@1: 
nuclear@1: static bool parse_args(int argc, char **argv)
nuclear@1: {
nuclear@1: 	for(int i=1; i<argc; i++) {
nuclear@1: 		if(argv[i][0] == '-') {
nuclear@1: 			if(strcmp(argv[i], "-vr") == 0) {
nuclear@1: 				use_vr = true;
nuclear@1: 			} else if(strcmp(argv[i], "-novr") == 0) {
nuclear@1: 				use_vr = false;
nuclear@1: 			} else {
nuclear@1: 				fprintf(stderr, "invalid option: %s\n", argv[i]);
nuclear@1: 				return false;
nuclear@1: 			}
nuclear@1: 		} else {
nuclear@1: 			fprintf(stderr, "unexpected argument: %s\n", argv[i]);
nuclear@1: 			return false;
nuclear@1: 		}
nuclear@1: 	}
nuclear@1: 	return true;
nuclear@1: }