griefith/test
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Bugfix- selection only didnt work & Fixed object name creation not using the real data name.

Browse Source 
Added features.
- Triangulate
- Export Object is OBJ objects
- Objects as Groups
- Group by Materials

- Updated blender website from www.blender.org to www.blender3d.org and write blender version number too.
This commit is contained in:
Campbell Barton
2006-01-22 23:32:46 +00:00
parent 651650ae01
commit 4be671ec70
1 changed files with 108 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

170
release/scripts/obj_export.py
View File

@@ -46,12 +46,6 @@ Run this script from "File->Export" menu to export all meshes.
import Blender
from Blender import Mesh, Scene, Window, sys, Image, Draw
#==================================================#
# New name based on old with a different extension #
#==================================================#
def newFName(ext):
return Blender.Get('filename')[: -len(Blender.Get('filename').split('.', -1)[-1]) ] + ext
# Returns a tuple - path,extension.
# 'hello.obj' > ('hello', '.obj')
def splitExt(path):
@@ -69,7 +63,7 @@ def fixName(name):
# Used to add the scene name into the filename without using odd chars
def saneFilechars(name):
for ch in ' /\\~!@#$%^&*()+=[];\':",./<>?':
for ch in ' /\\~!@#$%^&*()+=[];\':",./<>?\t\r\n':
name = name.replace(ch, '_')
return name
@@ -78,7 +72,7 @@ def sortPair(a,b):
def getMeshFromObject(object, name=None, mesh=None):
if mesh:
mesh.verts = None # Clear the meshg
mesh.verts = None # Clear the mesh
else:
if not name:
mesh = Mesh.New()
@@ -90,7 +84,7 @@ def getMeshFromObject(object, name=None, mesh=None):
dataname = object.getData(1)
try:
mesh.getFromObject(object.name)
mesh.getFromObject(object.name)
except:
return None
@@ -121,7 +115,7 @@ global MTL_DICT
# (material.name, image.name):matname_imagename # matname_imagename has gaps removed.
MTL_DICT = {}
def save_mtl(filename):
def write_mtl(filename):
global MTL_DICT
world = Blender.World.GetCurrent()
@@ -224,12 +218,16 @@ def copy_images(dest_dir):
copyCount+=1
print '\tCopied %d images' % copyCount
def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT_MTL=True, EXPORT_COPY_IMAGES=False, EXPORT_APPLY_MODIFIERS=True):
def write(filename, objects,\
EXPORT_TRI=False, EXPORT_EDGES=False, EXPORT_NORMALS=False,\
EXPORT_UV=True, EXPORT_MTL=True, EXPORT_COPY_IMAGES=False,\
EXPORT_APPLY_MODIFIERS=True, EXPORT_BLEN_OBS=True,\
EXPORT_GROUP_BY_OB=False, EXPORT_GROUP_BY_MAT=False):
'''
Basic save function. The context and options must be alredy set
Basic write function. The context and options must be alredy set
This can be accessed externaly
eg.
save_obj( 'c:\\test\\foobar.obj', Blender.Object.GetSelected() ) # Using default options.
write( 'c:\\test\\foobar.obj', Blender.Object.GetSelected() ) # Using default options.
'''
print 'OBJ Export path: "%s"' % filename
global MTL_DICT
@@ -240,8 +238,8 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
file = open(filename, "w")
# Write Header
file.write('# Blender OBJ File: %s\n' % (Blender.Get('filename').split('/')[-1].split('\\')[-1] ))
file.write('# www.blender.org\n')
file.write('# Blender v%s OBJ File: %s\n' % (Blender.Get('version'), Blender.Get('filename').split('/')[-1].split('\\')[-1] ))
file.write('# www.blender3d.org\n')
# Tell the obj file what material file to use.
mtlfilename = '%s.mtl' % '.'.join(filename.split('.')[:-1])
@@ -276,6 +274,27 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
m = getMeshFromObject(ob, temp_mesh_name, containerMesh)
if not m:
continue
# We have a valid mesh
if m and EXPORT_APPLY_MODIFIERS and EXPORT_TRI:
# Add a dummy object to it.
oldmode = Mesh.Mode()
Mesh.Mode(Mesh.SelectModes['FACE'])
quadcount = 0
for f in m.faces:
if len(f.v) == 4:
f.sel = 1
quadcount +=1
if quadcount:
tempob = Blender.Object.New('Mesh')
tempob.link(m)
scn.link(tempob)
m.quadToTriangle(0) # more=0 shortest length
oldmode = Mesh.Mode(oldmode)
scn.unlink(tempob)
Mesh.Mode(oldmode)
else: # We are a mesh. get the data.
m = ob.getData(mesh=1)
@@ -307,7 +326,7 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
# Sort by Material, then images
# so we dont over context switch in the obj file.
if m.faceUV:
if m.faceUV and EXPORT_UV:
faces.sort(lambda a,b: cmp((a.mat, a.image, a.smooth), (b.mat, b.image, b.smooth)))
else:
faces.sort(lambda a,b: cmp((a.mat, a.smooth), (b.mat, b.smooth)))
@@ -317,14 +336,20 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
contextMat = (0, 0) # Can never be this, so we will label a new material teh first chance we get.
contextSmooth = None # Will either be true or false, set bad to force initialization switch.
file.write('o %s_%s\n' % (fixName(ob.name), fixName(m.name))) # Write Object name
if EXPORT_BLEN_OBS or EXPORT_GROUP_BY_OB:
obnamestring = '%s_%s' % (fixName(ob.name), fixName(ob.getData(1)))
if EXPORT_BLEN_OBS:
file.write('o %s\n' % obnamestring) # Write Object name
else: # if EXPORT_GROUP_BY_OB:
file.write('g %s\n' % obnamestring)
# Vert
for v in m.verts:
file.write('v %.6f %.6f %.6f\n' % tuple(v.co))
# UV
if m.faceUV:
if m.faceUV and EXPORT_UV:
for f in faces:
for uvKey in f.uv:
uvKey = tuple(uvKey)
@@ -356,7 +381,7 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
for f in faces:
# MAKE KEY
if m.faceUV and f.image: # Object is always true.
if EXPORT_UV and m.faceUV and f.image: # Object is always true.
key = materialNames[f.mat], f.image.name
else:
key = materialNames[f.mat], None # No image, use None instead.
@@ -364,31 +389,34 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
# CHECK FOR CONTEXT SWITCH
if key == contextMat:
pass # Context alredy switched, dont do anythoing
elif key[0] == None and key[1] == None:
# Write a null material, since we know the context has changed.
file.write('usemtl (null)\n') # mat, image
else:
try: # Faster to try then 2x dict lookups.
if key[0] == None and key[1] == None:
# Write a null material, since we know the context has changed.
matstring = '(null)'
file.write('usemtl (null)\n') # mat, image
# We have the material, just need to write the context switch,
file.write('usemtl %s\n' % MTL_DICT[key]) # mat, image
except KeyError:
# First add to global dict so we can export to mtl
# Then write mtl
# Make a new names from the mat and image name,
# converting any spaces to underscores with fixName.
# If none image dont bother adding it to the name
if key[1] == None:
tmp_matname = MTL_DICT[key] ='%s' % fixName(key[0])
file.write('usemtl %s\n' % tmp_matname) # mat, image
else:
try: # Faster to try then 2x dict lookups.
# We have the material, just need to write the context switch,
matstring = MTL_DICT[key]
else:
tmp_matname = MTL_DICT[key] = '%s_%s' % (fixName(key[0]), fixName(key[1]))
file.write('usemtl %s\n' % tmp_matname) # mat, image
except KeyError:
# First add to global dict so we can export to mtl
# Then write mtl
# Make a new names from the mat and image name,
# converting any spaces to underscores with fixName.
# If none image dont bother adding it to the name
if key[1] == None:
matstring = MTL_DICT[key] ='%s' % fixName(key[0])
else:
matstring = MTL_DICT[key] = '%s_%s' % (fixName(key[0]), fixName(key[1]))
if EXPORT_GROUP_BY_MAT:
file.write('g %s_%s_%s\n' % (fixName(ob.name), fixName(ob.getData(1)), matstring) ) # can be mat_image or (null)
file.write('usemtl %s\n' % matstring) # can be mat_image or (null)
contextMat = key
@@ -400,7 +428,7 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
contextSmooth = f.smooth
file.write('f')
if m.faceUV:
if m.faceUV and EXPORT_UV:
if EXPORT_NORMALS:
if f.smooth: # Smoothed, use vertex normals
for vi, v in enumerate(f.v):
@@ -466,7 +494,7 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
# Now we have all our materials, save them
if EXPORT_MTL:
save_mtl(mtlfilename)
write_mtl(mtlfilename)
if EXPORT_COPY_IMAGES:
dest_dir = filename
# Remove chars until we are just the path.
@@ -480,36 +508,45 @@ def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT
print "OBJ Export time: %.2f" % (sys.time() - time1)
def save_obj_ui(filename):
def write_ui(filename):
for s in Window.GetScreenInfo():
Window.QHandle(s['id'])
EXPORT_APPLY_MODIFIERS = Draw.Create(1)
EXPORT_SEL_ONLY = Draw.Create(0)
EXPORT_TRI = Draw.Create(0)
EXPORT_EDGES = Draw.Create(0)
EXPORT_NORMALS = Draw.Create(0)
EXPORT_UV = Draw.Create(1)
EXPORT_MTL = Draw.Create(1)
EXPORT_SEL_ONLY = Draw.Create(1)
EXPORT_ALL_SCENES = Draw.Create(0)
EXPORT_ANIMATION = Draw.Create(0)
EXPORT_COPY_IMAGES = Draw.Create(0)
EXPORT_BLEN_OBS = Draw.Create(1)
EXPORT_GROUP_BY_OB = Draw.Create(0)
EXPORT_GROUP_BY_MAT = Draw.Create(0)
# Get USER Options
pup_block = [\
('Mesh Options...'),\
('Apply Modifiers', EXPORT_APPLY_MODIFIERS, 'Use transformed mesh data from each object. May break vert order for morph targets.'),\
('Selection Only', EXPORT_SEL_ONLY, 'Only export objects in visible selection.'),\
('Triangulate', EXPORT_TRI, 'Triangulate quads (Depends on "Apply Modifiers").'),\
('Edges', EXPORT_EDGES, 'Edges not connected to faces.'),\
('Normals', EXPORT_NORMALS, 'Export vertex normal data (Ignored on import).'),\
('UVs', EXPORT_UV, 'Export texface UV coords.'),\
('Materials', EXPORT_MTL, 'Write a seperate MTL file with the OBJ.'),\
('Context...'),\
('Selection Only', EXPORT_SEL_ONLY, 'Only export objects in visible selection. Else export whole scene.'),\
('All Scenes', EXPORT_ALL_SCENES, 'Each scene as a seperate OBJ file.'),\
('Animation', EXPORT_ANIMATION, 'Each frame as a seperate OBJ file.'),\
('Copy Images', EXPORT_COPY_IMAGES, 'Copy image files to the export directory, never everwrite.'),\
('Animation', EXPORT_ANIMATION, 'Each frame as a numbered OBJ file.'),\
('Copy Images', EXPORT_COPY_IMAGES, 'Copy image files to the export directory, never overwrite.'),\
('Grouping...'),\
('Objects', EXPORT_BLEN_OBS, 'Export blender objects as OBJ objects.'),\
('Object Groups', EXPORT_GROUP_BY_OB, 'Export blender objects as OBJ groups.'),\
('Material Groups', EXPORT_GROUP_BY_MAT, 'Group by materials.'),\
]
if not Draw.PupBlock('Export...', pup_block):
@@ -518,21 +555,26 @@ def save_obj_ui(filename):
Window.WaitCursor(1)
EXPORT_APPLY_MODIFIERS = EXPORT_APPLY_MODIFIERS.val
EXPORT_SEL_ONLY = EXPORT_SEL_ONLY.val
EXPORT_TRI = EXPORT_TRI.val
EXPORT_EDGES = EXPORT_EDGES.val
EXPORT_NORMALS = EXPORT_NORMALS.val
EXPORT_UV = EXPORT_UV.val
EXPORT_MTL = EXPORT_MTL.val
EXPORT_SEL_ONLY = EXPORT_SEL_ONLY.val
EXPORT_ALL_SCENES = EXPORT_ALL_SCENES.val
EXPORT_ANIMATION = EXPORT_ANIMATION.val
EXPORT_COPY_IMAGES = EXPORT_COPY_IMAGES.val
EXPORT_BLEN_OBS = EXPORT_BLEN_OBS.val
EXPORT_GROUP_BY_OB = EXPORT_GROUP_BY_OB.val
EXPORT_GROUP_BY_MAT = EXPORT_GROUP_BY_MAT.val
base_name, ext = splitExt(filename)
context_name = [base_name, '', '', ext] # basename, scene_name, framenumber, extension
# Use the options to export the data using save_obj()
# def save_obj(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT_MTL=True, EXPORT_COPY_IMAGES=False, EXPORT_APPLY_MODIFIERS=True):
# Use the options to export the data using write()
# def write(filename, objects, EXPORT_EDGES=False, EXPORT_NORMALS=False, EXPORT_MTL=True, EXPORT_COPY_IMAGES=False, EXPORT_APPLY_MODIFIERS=True):
orig_scene = Scene.GetCurrent()
if EXPORT_ALL_SCENES:
export_scenes = Scene.Get()
@@ -561,19 +603,23 @@ def save_obj_ui(filename):
Blender.Set('curframe', frame)
if EXPORT_SEL_ONLY:
export_objects = Object.GetSelected() # Export Context
else:
export_objects = Blender.Object.GetSelected() # Export Context
else:
export_objects = scn.getChildren()
# EXPORTTHE FILE.
save_obj(''.join(context_name), export_objects, EXPORT_EDGES, EXPORT_NORMALS, EXPORT_MTL, EXPORT_COPY_IMAGES, EXPORT_APPLY_MODIFIERS)
# EXPORT THE FILE.
write(''.join(context_name), export_objects,\
EXPORT_TRI, EXPORT_EDGES, EXPORT_NORMALS,\
EXPORT_UV, EXPORT_MTL, EXPORT_COPY_IMAGES,\
EXPORT_APPLY_MODIFIERS,\
EXPORT_BLEN_OBS, EXPORT_GROUP_BY_OB, EXPORT_GROUP_BY_MAT)
Blender.Set('curframe', orig_frame)
# Restore old active scene.
orig_scene.makeCurrent()
Window.WaitCursor(0)
Window.FileSelector(save_obj_ui, 'Export Wavefront OBJ', newFName('obj'))
if __name__ == '__main__':
Window.FileSelector(write_ui, 'Export Wavefront OBJ', sys.makename(ext='.obj'))