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respect 's 0' as a non-smoothed group

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git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@726 127b21dd-08f5-0310-b4b7-95ae10353056
This commit is contained in:
Giles Williams 2006-08-13 19:43:18 +00:00
parent c555de8a1e
commit 3136b22b93
1 changed files with 21 additions and 6 deletions
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27
tools/Obj2DatTex.py
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@ -1,5 +1,10 @@
#!/usr/bin/python
# EXTENSIONS : "obj" "OBJ" # Accepted file extentions
# OSTYPES : "****" # Accepted file types
# ROLE : Editor # Role (Editor, Viewer, None)
# SERVICEMENU : Obj2DatTex/Convert to .dat # Name of Service menu item
"""
This script takes a Wavefront .obj file
and exports a .dat file containing the same trimesh.
@ -113,14 +118,17 @@ for inputfilename in inputfilenames:
# find faces next
# use red colour to show smoothing groups
smoothing_group = 127
group_token = 0;
for line in lines:
tokens = string.split(line)
if (tokens != []):
if (tokens[0] == 's'):
# we just step through the groups not bothering to check the group number
smoothing_group = smoothing_group + 1
if (smoothing_group > 255):
smoothing_group = 0
# we check the group number if it's zero this is a non-smoothed group
group_token = int(tokens[1])
if (group_token > 0):
smoothing_group = smoothing_group + 1
if (smoothing_group > 255):
smoothing_group = 0
if (tokens[0] == 'usemtl'):
textureName = tokens[1]
if (materials.has_key(textureName)):
@ -153,11 +161,18 @@ for inputfilename in inputfilenames:
det = math.sqrt(xp[0]*xp[0] + xp[1]*xp[1] + xp[2]*xp[2])
if (det > 0):
n_faces = n_faces + 1
# norm = (xp[0]/det, xp[1]/det, xp[2]/det)
# negate the normal to allow correct texturing...
# norm = (xp[0]/det, xp[1]/det, xp[2]/det)
# negate the normal to allow correct texturing...
norm = ( -xp[0]/det, -xp[1]/det, -xp[2]/det)
face.append((v1,v2,v3))
faces_lines_out.append('%d,127,127,\t%.5f,%.5f,%.5f,\t3,\t%d,%d,%d\n' % (smoothing_group,norm[0],norm[1],norm[2],v1,v2,v3))
#
# check if we're in a non-smoothed group - if so keep incrementing the 'red' smoothing_group value...
#
if (group_token == 0):
smoothing_group = smoothing_group + 1
if (smoothing_group > 255):
smoothing_group = 0
if (interpretTexture):
textureForFace.append(textureName)
uvsForTexture[textureName][v1] = uv[vt1]