#!BPY

# """
# Name: 'Import from 3DM'
# Blender: 236
# Group: 'Import'
# Tooltip: 'Import an object from the 3DM SceneGraphic file format into Blender.'
# """

__author__ = "Charles INGELS"
__version__ = "V0.0.1 07-02-2005"
__url__ = "http://charles.ingels.free.fr/scene-graphic"
__email__ = "charles@cingels.org"


import sys
import string
import os
import Blender
from Blender import Window, Scene, NMesh



def getToken ((s, i)):
	char_list = ('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','_')
	while s[i] == ' ' and i < len(s):
		i = i + 1
	end = i + 1
	while s[end] in char_list and end < len(s):
		end = end + 1
	return (s[i:end].lower(),end)



def getValue3 ((s, i)):
	num_list = ('0','1','2','3','4','5','6','7','8','9','.','+','-')
	
	while s[i] == ' ' and i < len(s):
		i = i + 1
	end = i + 1
	while s[end] in num_list and end < len(s):
		end = end + 1
	x = string.atof(s[i:end])

	i = end
	while s[i] == ' ' and i < len(s):
		i = i + 1
	end = i + 1
	while s[end] in num_list and end < len(s):
		end = end + 1
	y = string.atof(s[i:end])

	i = end
	while s[i] == ' ' and i < len(s):
		i = i + 1
	end = i + 1
	while s[end] in num_list and end < len(s):
		end = end + 1
	z = string.atof(s[i:end])
	
	return (x,y,z)


import_file = ""

def WindowSelectFunc (filename):
	global import_file
	import_file = filename
	try:
		f = open (import_file, "r")
	except:
		print "***Erreur*** Impossible d'ouvrir le fichier %s " % (import_file)
		sys.exit(2)

	# Creation of camera data.
	camData = Blender.Camera.New ("ortho")
	camData.setName ("MainCamera")
	# Creation of a new scene.
	curScene = Blender.Scene.New ("NewScene")
	# Create a new camera.
	camObj = Blender.Object.New ("Camera")
	# Link the camera data to the camera object.
	camObj.link (camData)
	# Link the camera to the scene.
	curScene.link (camObj)
	# Make the new scene the current one.
	curScene.makeCurrent()
	# Create a new mesh.
	curMesh = Blender.NMesh.New("mesh")

	
	while 1:
		s = f.readline()
		if s == '':
			break;
		if len(s) == 1:
			continue
		i = 0
		while s[i] == ' ' and i < len(s):
			i = i + 1
		if i < len(s):
			if s[i] != '#':
				(chaine, i) = getToken ((s, i))
				print "'%s'" % (chaine)

				if chaine == 'face':
					# Create a new face.
					curFace = Blender.NMesh.Face()
					print "Nouvelle face"

				if chaine == 'vertex':
					(x,y,z) = getValue3 ((s, i))
					v = Blender.NMesh.Vert (x,y,z)
					# Add this vertex to the vertex list.
					curMesh.verts.append (v)
					# Add this vertex to the list of vertices in the current face.
					curFace.v.append (v)
					print "Vertex (%2.3f, %2.3f, %2.3f)" % (x,y,z)

				if chaine == 'normal':
					(x,y,z) = getValue3 ((s, i))
					print "Normal (%2.3f, %2.3f, %2.3f)" % (x,y,z)

				if chaine == 'end_face':
					curMesh.faces.append (curFace)
					print "Fin de la face"
	f.close()

	meshObj = Blender.NMesh.PutRaw(curMesh)
	cursPos = Blender.Window.GetCursorPos()
	meshObj.setLocation (float(cursPos[0]), float(cursPos[1]), float(cursPos[2]))

	
Window.FileSelector (WindowSelectFunc, "Import from 3DM", import_file)

#if not import_file:
#	print "***Erreur*** Indiquez un fichier"
#	sys.exit(1)