import sys, time, math, os
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from dmsgl import *
startdir = os.getcwd() + os.sep


camera = PerspCamera()
camera.moveBackward(15)
light = Light()
material1 = Material(diffuse=[1, 0.8, 0.1, 1])
material2 = Material(diffuse=[0, 0.5, 0.6, 1])
material3 = Material(diffuse=[0.5, 0.7, 0.9, 1], shininess=40, specular=[1,1,1,1])
xform1 = SimpleTransform(translate=[5, 0, 0], rotateAxis=[0.2, 1, 0.5])
xform2 = SimpleTransform(translate=[-5, 0, 3])
xform3 = SimpleTransform(rotateAxis=[1, -1, 0.1])
height1 = 10
height2 = 7


cameraVelPitch = 0.0
cameraVelTurn = 0.0
cameraVelDist = 0.0
prevTime = time.time()
startTime = time.time()


def draw():
    Color.X11['DeepSkyBlue'].clear()
    camera.apply()
    light.apply()

    Color.Green.apply()
    glBegin(GL_QUADS)
    glVertex3f(-100, -3, -100)
    glVertex3f(100, -3, -100)
    glVertex3f(100, -3, 100)
    glVertex3f(-100, -3, 100)
    glEnd()

    material1.apply()
    xform1.pushApply()
    glutSolidCube(2.0)
    xform1.pop()

    material2.apply()
    xform2.pushApply()
    glutSolidSphere(2.0, 16, 16)
    xform2.pop()
    material2.disable()

    xform3.pushApply()
    material3.apply()
    glutSolidTeapot(2.0)
    material3.disable()
    xform3.pop()

    glutSwapBuffers()


def keyboard(key, x, y):
    global cameraVelDist
    if key == chr(27):
        sys.exit(0)
    elif key == '.':
        cameraVelDist += 4
    elif key == ',':
        cameraVelDist += -4

def keyboardUp(key, x, y):
    global cameraVelDist
    if key == chr(27):
        sys.exit(0)
    elif key == '.':
        cameraVelDist -= 4
    elif key == ',':
        cameraVelDist -= -4

def specialkey(key,x,y):
    global cameraVelPitch, cameraVelTurn
    if key == GLUT_KEY_LEFT:
        cameraVelTurn += 90
    elif key == GLUT_KEY_RIGHT:
        cameraVelTurn -= 90
    elif key == GLUT_KEY_UP:
        cameraVelPitch += 90
    elif key == GLUT_KEY_DOWN:
        cameraVelPitch -= 90

def specialkeyUp(key,x,y):
    global cameraVelPitch, cameraVelTurn
    if key == GLUT_KEY_LEFT:
        cameraVelTurn -= 90
    elif key == GLUT_KEY_RIGHT:
        cameraVelTurn += 90
    elif key == GLUT_KEY_UP:
        cameraVelPitch -= 90
    elif key == GLUT_KEY_DOWN:
        cameraVelPitch += 90


from socket import *
udpsock = socket(AF_INET, SOCK_DGRAM)
udpsock.bind(('', 4550))
udpsock.setblocking(0)

def checkSocket():
    while True:
        try:
            data = udpsock.recv(1024)
        except error:
            return
        print 'received command:', data
        c = compile(data, 'udp socket', 'single')
        eval(c,globals())

def update():
    checkSocket()
    global cameraVelPitch, cameraVelTurn, cameraVelDist, prevTime
    t = time.time()
    dt = t - prevTime
    prevTime = t
    camera.pitch(cameraVelPitch * dt)
    camera.turn(cameraVelTurn * dt)
    camera.moveForward(cameraVelDist * dt)
    xform1.rotateAngle += dt * 80
    t = time.time() - startTime
    xform1.translate[1] = abs(math.sin(t*2))*height1 - 3
    xform2.translate[1] = abs(math.sin(t/1.5))*height2 - 3
    xform3.rotateAngle += dt * 30
    glutPostRedisplay()

glutInit([])
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(400,400)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutKeyboardUpFunc(keyboardUp)
glutSpecialFunc(specialkey)
glutSpecialUpFunc(specialkeyUp)
glutIgnoreKeyRepeat(1)
glutIdleFunc(update)
glEnable(GL_DEPTH_TEST)
os.chdir(startdir)
glutMainLoop()