import Blender
import os

import sys
import socket
from threading import Thread
 
from Blender import *

from Blender.Scene import Render
from Blender import Draw
from Blender.BGL import *
from Blender import Registry
from Blender import Text
from Blender import Texture,Image,Material

from math import *


#Enter your executable location here
executable = 'f:\\Processing\\sketchBoard\\applet\\sketchBoard.jar'	

#Enter your java path here
javaPath = 'c:\\Program Files\\Java\\jre1.6.0\\bin\\java.exe'


#lets escape any spaces that may be in the executable path
qexecutable = "\""+ executable + "\""

print ("paths:")
print executable
print javaPath

#this angers me in ways I cannot explain. I cannot find a way to spawn a process
#and get a pipe to it in both windows and linux. So i'm using sockets.


def makePlane(w,h,m,a):
	
	asp = float(h)/float(w)
	width = size.val
	height = size.val*asp
	
	coords = [[0,0,0],[0,0,height],[width,0,height],[width,0,0]]
	faces = [[3,2,1,0]]
	me = Mesh.New('myMesh')
	me.verts.extend(coords)
	me.faces.extend(faces)

	
	diffTex = Texture.New('diff')
	diffTex.setType('Image')
	img = Image.Load(m)
	diffTex.image = img

	aTex = Texture.New('alph')
	aTex.setType('Image')
	imga = Image.Load(a)
	aTex.image = imga

	mat = Material.New('billboard')
	mtextures = mat.getTextures()
	mat.setTexture(0,diffTex,Texture.TexCo.UV,)
	mat.setTexture(1,aTex,Texture.TexCo.UV,Texture.MapTo.ALPHA)

	mat.spec = 0;
	mat.ref = .95;
	mat.alpha = 0.0;
	mat.mode |= Material.Modes.ZTRANSP

	me.materials += [mat]
	for f in me.faces:
		f.image = img;
										

	ob = Object.New('Mesh','myObj')
	ob.link(me)

	
	sc = Scene.GetCurrent()
	sc.link(ob)	

def render():
	
	print 'Render called'
	bob = os.spawnv(os.P_NOWAIT,javaPath,[' -jar ' + qexecutable , "--Blender"] )
	
	s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
	s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
	s.bind(('localhost',50007))
	s.listen(1)
	try:
		exit = False
		while exit == False:
			conn,addr = s.accept()
			data = conn.recv(1024)
		
			if data == 'quit':
				exit = True
		
			else:
				tokens = data.rsplit(',')
				if tokens[0] == 'plane':
					makePlane(tokens[1],tokens[2],tokens[3], tokens[4])
				conn.close()
				s.close()	
	except:
		print 'Quitting'
	
size = Draw.Create(2)

def draw():
	global size
	

	BGL.glClearColor(1.0, 1.0, 1.0, 0.0)
	BGL.glClear(GL_COLOR_BUFFER_BIT)

	leftMargin = 10;
	bottomMargin = 15;
	columnWidth = 170;
	buttonWidth = columnWidth - leftMargin;
	columnHeight = 35;
	buttonHeight = columnHeight - bottomMargin;

	if os.path.exists(executable):
		Draw.Button('Exit', 2, leftMargin, 5, buttonWidth, buttonHeight, '')
		Draw.Button('Sketch!', 1, leftMargin+columnWidth,5, buttonWidth, buttonHeight, '')
		size = Draw.Slider('Size', 12, leftMargin , 2*columnHeight, buttonWidth, buttonHeight, size.val, 1, 20, 1,'')	

	else:
		BGL.glColor3f(0.15,0.15,0.15)
		BGL.glRasterPos2i(leftMargin,50)
		Draw.Text("Could not locate the sketch executable. Enter its location into the script header.")
		Draw.Button('Exit', 2, leftMargin, 5, buttonWidth, buttonHeight, '')


def bevent(evt):

	if evt == 2: #ExitButton
		#kill the server thread

		
		Draw.Exit()

		
	elif evt == 1: #Button2
		render()
	else:
		Blender.Redraw()
	
Draw.Register(draw, event, bevent)