/usr/lib/python2.7/dist-packages/soya/objmtl2soya.py is in python-soya 0.15~rc1-10.
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Obj Import
# Copyright (C) 2003-2004 David PHAM-VAN / AB2R -- david@ab2r.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""objmtl2soya
This script is an OBJ/MTL exporter for Soya.
"""
import sys, os, os.path, soya
__all__ = ["getObj", "getModel"]
def loadMat(fileName, mat):
f=open(fileName,'r')
lines=f.readlines()
f.close()
curmat=None
for line in lines:
line=line.strip()
if line!='' and line[0]!='#':
spline=line.split()
fn=spline[0]
pr=spline[1:]
if fn=='newmtl':
curmat=pr[0]
mat[curmat]=soya.Material()
elif fn=='illum':
pass
elif fn=='Kd':
mat[curmat].diffuse = (float(pr[0]), float(pr[1]), float(pr[2]), 1.0)
elif fn=='Ka':
pass
elif fn=='Ks':
mat[curmat].specular = (float(pr[0]), float(pr[1]), float(pr[2]), 1.0)
elif fn=='Ns':
mat[curmat].shininess=float(pr[0])
elif fn=='Tf':
mat[curmat].diffuse=(mat[curmat].diffuse[0], mat[curmat].diffuse[1], mat[curmat].diffuse[2], float(pr[0]))
elif fn=='Ni':
pass
elif fn=='map_Kd':
mat[curmat].texture = soya.Image.get(pr[0])
mat[curmat].diffuse = (1.0, 1.0, 1.0, 1.0)
else:
print line
f.close()
def loadObj(fileName):
f=open(fileName,'r')
lines=f.readlines()
f.close()
obj_w = soya.World()
curmat=soya.DEFAULT_MATERIAL
materials={}
geometric_vertices=[]
texture_vertices=[]
vertex_normals=[]
smooth=0
nline=1
try:
for line in lines:
line=line.strip()
if line!='' and line[0]!='#':
spline=line.split()
fn=spline[0]
pr=spline[1:]
if fn=='mtllib':
m=loadMat(os.path.join(os.path.dirname(fileName),pr[0]),materials)
elif fn=='o':
pass
elif fn=='g':
pass
elif fn=='v':
geometric_vertices.append([float(pr[0]), float(pr[1]), float(pr[2])])
elif fn=='s':
smooth=pr[0]!='off'
elif fn=='f':
mf=[]
for face in pr:
spface=face.split('/')
if int(spface[0]) < 0: gv = geometric_vertices[int(spface[0])]
else: gv = geometric_vertices[int(spface[0]) - 1]
if len(spface)>=2 and spface[1]!='':
if int(spface[1]) < 0: tv = texture_vertices[int(spface[1])]
else: tv = texture_vertices[int(spface[1]) - 1]
else:
mf.append(soya.Vertex(obj_w, gv[0], gv[1], gv[2], tv[0], - tv[1]))
mf.append(soya.Vertex(obj_w, gv[0], gv[1], gv[2]))
face=soya.Face(obj_w, mf, curmat)
face.smooth_lit=smooth
elif fn=='vt':
texture_vertices.append([float(pr[0]), float(pr[1])])
elif fn=='vn':
pass
elif fn=='usemtl':
curmat=materials[pr[0]]
else:
print line
except:
print str(nline)+' : '+line
raise
f.close()
return obj_w
def makeWorld(Name):
df=os.path.join(soya.path[0],'worlds',Name+'.data')
of=os.path.join(soya.path[0],'obj',Name+'.obj')
mf=os.path.join(soya.path[0],'obj',Name+'.mtl')
haveToDoIt=False
if os.path.exists(df):
if os.path.exists(of):
if os.path.getmtime(of)>os.path.getmtime(df):
haveToDoIt=True
if os.path.exists(mf):
if os.path.getmtime(mf)>os.path.getmtime(df):
haveToDoIt=True
else:
haveToDoIt=True
if haveToDoIt:
print "* Soya * Compiling obj "+of+" to world..."
o=loadObj(of)
o.filename=Name
o.save()
def getObj(Name):
"""getObj(NAME) -> World
Imports a "{name}.obj" file (from the "obj" directory) and converts it into a Soya World."""
makeWorld(Name)
return soya.World.get(Name)
def getModel(Name):
"""getModel(NAME) -> World
Imports a "{name}.obj" file (from the "obj" directory) and converts it into a Soya Model."""
makeWorld(Name)
return soya.Model.get(Name)
def main():
"""Imports the .obj file given as arg 1 and saves the created world to the
file given as arg 2. Does not add the .data extension. Put this in
your worlds directory or to_model it."""
infilename = sys.argv[1]
outfilename = sys.argv[2]
world = loadObj(infilename)
world.save(outfilename)
if __name__ == '__main__':
main()
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