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-rw-r--r--release/scripts/3ds_export.py207
1 files changed, 94 insertions, 113 deletions
diff --git a/release/scripts/3ds_export.py b/release/scripts/3ds_export.py
index 7742a9d3430..4ffca01828a 100644
--- a/release/scripts/3ds_export.py
+++ b/release/scripts/3ds_export.py
@@ -48,15 +48,33 @@ from the lib3ds project (http://lib3ds.sourceforge.net/) sourcecode.
import Blender
import bpy
-from Blender import Object, Material
-
-import BPyMesh
-getMeshFromObject = BPyMesh.getMeshFromObject
-import BPyObject
-getDerivedObjects= BPyObject.getDerivedObjects
+from BPyMesh import getMeshFromObject
+from BPyObject import getDerivedObjects
import struct
-
+# So 3ds max can open files, limit names to 12 in length
+# this is verry annoying for filenames!
+name_unique = []
+name_mapping = {}
+def sane_name(name):
+ name_fixed = name_mapping.get(name)
+ if name_fixed != None:
+ return name_fixed
+
+ if len(name) > 12:
+ new_name = name[:12]
+ else:
+ new_name = name
+
+ i = 0
+
+ while new_name in name_unique:
+ new_name = new_name[:-4] + '.%.3d' % i
+ i+=1
+
+ name_unique.append(name_unique)
+ name_mapping[name] = new_name
+ return new_name
######################################################
# Data Structures
@@ -117,15 +135,6 @@ POS_TRACK_TAG = long("0xB020",16);
ROT_TRACK_TAG = long("0xB021",16);
SCL_TRACK_TAG = long("0xB022",16);
-
-#==============================================#
-# Strips the slashes from the back of a string #
-#==============================================#
-def stripPath(path):
- '''Strips the slashes from the back of a string.
- '''
- return path.split('/')[-1].split('\\')[-1]
-
def uv_key(uv):
return round(uv.x, 6), round(uv.y, 6)
@@ -193,7 +202,6 @@ class _3ds_string(object):
def write(self,file):
binary_format = "<%ds" % (len(self.value)+1)
file.write(struct.pack(binary_format, self.value))
-
def __str__(self):
return self.value
@@ -212,7 +220,9 @@ class _3ds_point_3d(object):
def __str__(self):
return '(%f, %f, %f)' % (self.x, self.y, self.z)
-
+
+# Used for writing a track
+"""
class _3ds_point_4d(object):
'''Class representing a four-dimensional point for a 3ds file, for instance a quaternion.'''
__slots__ = 'x','y','z','w'
@@ -228,7 +238,8 @@ class _3ds_point_4d(object):
def __str__(self):
return '(%f, %f, %f, %f)' % (self.x, self.y, self.z, self.w)
-
+"""
+
class _3ds_point_uv(object):
'''Class representing a UV-coordinate for a 3ds file.'''
__slots__ = 'uv'
@@ -442,7 +453,7 @@ def make_material_texture_chunk(id, images):
def add_image(img):
filename = image.filename.split('\\')[-1].split('/')[-1]
mat_sub_file = _3ds_chunk(MATMAPFILE)
- mat_sub_file.add_variable("mapfile", _3ds_string(filename))
+ mat_sub_file.add_variable("mapfile", _3ds_string(sane_name(filename)))
mat_sub.add_subchunk(mat_sub_file)
for image in images:
@@ -450,7 +461,7 @@ def make_material_texture_chunk(id, images):
return mat_sub
-def make_material_chunk(material, image, PREF_TEXTURES):
+def make_material_chunk(material, image):
'''Make a material chunk out of a blender material.'''
material_chunk = _3ds_chunk(MATERIAL)
name = _3ds_chunk(MATNAME)
@@ -459,20 +470,19 @@ def make_material_chunk(material, image, PREF_TEXTURES):
else: name_str = 'None'
if image: name_str += image.name
- name.add_variable("name", _3ds_string(name_str))
+ name.add_variable("name", _3ds_string(sane_name(name_str)))
material_chunk.add_subchunk(name)
- if material:
- material_chunk.add_subchunk(make_material_subchunk(MATAMBIENT, [a*material.amb for a in material.rgbCol] ))
- material_chunk.add_subchunk(make_material_subchunk(MATDIFFUSE, material.rgbCol))
- material_chunk.add_subchunk(make_material_subchunk(MATSPECULAR, material.specCol))
- else:
+ if not material:
material_chunk.add_subchunk(make_material_subchunk(MATAMBIENT, (0,0,0) ))
material_chunk.add_subchunk(make_material_subchunk(MATDIFFUSE, (.8, .8, .8) ))
material_chunk.add_subchunk(make_material_subchunk(MATSPECULAR, (1,1,1) ))
- # CANT READ IN MAX!!!! SEEMS LIKE THE FILE IS VALID FROM 3DSDUMP :/
- if PREF_TEXTURES:
+ else:
+ material_chunk.add_subchunk(make_material_subchunk(MATAMBIENT, [a*material.amb for a in material.rgbCol] ))
+ material_chunk.add_subchunk(make_material_subchunk(MATDIFFUSE, material.rgbCol))
+ material_chunk.add_subchunk(make_material_subchunk(MATSPECULAR, material.specCol))
+
images = get_material_images(material) # can be None
if image: images.append(image)
@@ -494,53 +504,41 @@ class tri_wrapper(object):
self.faceuvs= faceuvs
self.offset= [0, 0, 0] # offset indicies
-def split_into_tri(face, do_uv=False):
- '''Split a quad face into two triangles'''
- v = face.v
- mat = face.mat
- if (do_uv):
- img = face.image
- if img: img = img.name
- else:
- img = None
-
- first_tri = tri_wrapper((v[0].index, v[1].index, v[2].index), mat, img)
- second_tri = tri_wrapper((v[0].index, v[2].index, v[3].index), mat, img)
-
- if (do_uv):
- uv = face.uv
- first_tri.faceuvs= uv_key(uv[0]), uv_key(uv[1]), uv_key(uv[2])
- second_tri.faceuvs= uv_key(uv[0]), uv_key(uv[2]), uv_key(uv[3])
-
-
- return [first_tri, second_tri]
-
-
def extract_triangles(mesh):
'''Extract triangles from a mesh.
If the mesh contains quads, they will be split into triangles.'''
tri_list = []
do_uv = mesh.faceUV
+
+ if not do_uv:
+ face_uv = None
+
img = None
- for face in mesh.faces:
- num_fv = len(face)
- if num_fv==3:
-
- if (do_uv):
- img = face.image
- if img: img = img.name
-
- new_tri = tri_wrapper((face.v[0].index, face.v[1].index, face.v[2].index), face.mat, img)
-
- if (do_uv):
- new_tri.faceuvs= uv_key(face.uv[0]), uv_key(face.uv[1]), uv_key(face.uv[2])
-
- tri_list.append(new_tri)
-
- else: #it's a quad
- tri_list.extend( split_into_tri(face, do_uv) )
+ for face in mesh.faces:
+ f_v = face.v
+
+ if do_uv:
+ f_uv = face.uv
+ img = face.image
+ if img: img = img.name
+
+ if len(f_v)==3:
+ new_tri = tri_wrapper((f_v[0].index, f_v[1].index, f_v[2].index), face.mat, img)
+ if (do_uv): new_tri.faceuvs= uv_key(f_uv[0]), uv_key(f_uv[1]), uv_key(f_uv[2])
+ tri_list.append(new_tri)
+
+ else: #it's a quad
+ new_tri = tri_wrapper((f_v[0].index, f_v[1].index, f_v[2].index), face.mat, img)
+ new_tri_2 = tri_wrapper((f_v[0].index, f_v[2].index, f_v[3].index), face.mat, img)
+
+ if (do_uv):
+ new_tri.faceuvs= uv_key(f_uv[0]), uv_key(f_uv[1]), uv_key(f_uv[2])
+ new_tri_2.faceuvs= uv_key(f_uv[0]), uv_key(f_uv[2]), uv_key(f_uv[3])
+
+ tri_list.append( new_tri )
+ tri_list.append( new_tri_2 )
return tri_list
@@ -561,21 +559,18 @@ def remove_face_uv(verts, tri_list):
for i in xrange(3):
# store the index into the UniqueList for future reference:
# offset.append(uv_list[tri.vertex_index[i]].add(_3ds_point_uv(tri.faceuvs[i])))
+
context_uv_vert= unique_uvs[tri.vertex_index[i]]
uvkey= tri.faceuvs[i]
- try:
- offset_index, uv_3ds= context_uv_vert[uvkey]
- except:
- offset_index= len(context_uv_vert)
- context_uv_vert[tri.faceuvs[i]]= offset_index, _3ds_point_uv(uvkey)
+ offset_index__uv_3ds = context_uv_vert.get(uvkey)
- # No optimizing the array!!! buggy atm
- # offset_index= len(context_uv_vert)
- # context_uv_vert[tri.faceuvs[i]]= offset_index, _3ds_point_uv(uvkey)
+ if not offset_index__uv_3ds:
+ offset_index__uv_3ds = context_uv_vert[uvkey] = len(context_uv_vert), _3ds_point_uv(uvkey)
+
+ tri.offset[i] = offset_index__uv_3ds[0]
- tri.offset[i]= offset_index
# At this point, each vertex has a UniqueList containing every uv coordinate that is associated with it
# only once.
@@ -650,7 +645,7 @@ def make_faces_chunk(tri_list, mesh, materialDict):
if img: name_str += img
context_mat_face_array = _3ds_array()
- unique_mats[mat, img] = _3ds_string(name_str), context_mat_face_array
+ unique_mats[mat, img] = _3ds_string(sane_name(name_str)), context_mat_face_array
context_mat_face_array.add(_3ds_short(i))
@@ -669,7 +664,7 @@ def make_faces_chunk(tri_list, mesh, materialDict):
obj_material_names=[]
for m in materials:
if m:
- obj_material_names.append(_3ds_string(m.name))
+ obj_material_names.append(_3ds_string(sane_name(m.name)))
obj_material_faces.append(_3ds_array())
n_materials = len(obj_material_names)
@@ -685,7 +680,6 @@ def make_faces_chunk(tri_list, mesh, materialDict):
obj_material_chunk.add_variable("face_list", obj_material_faces[i])
face_chunk.add_subchunk(obj_material_chunk)
- # asas
return face_chunk
def make_vert_chunk(vert_array):
@@ -763,6 +757,7 @@ def make_kfdata(start=0, stop=0, curtime=0):
return kfdata
"""
+"""
def make_track_chunk(ID, obj):
'''Make a chunk for track data.
@@ -801,6 +796,8 @@ def make_track_chunk(ID, obj):
return track_chunk
"""
+
+"""
def make_kf_obj_node(obj, name_to_id):
'''Make a node chunk for a Blender object.
@@ -824,7 +821,7 @@ def make_kf_obj_node(obj, name_to_id):
obj_node_header_chunk.add_variable("name", _3ds_string("$$$DUMMY"))
else:
# Add the name:
- obj_node_header_chunk.add_variable("name", _3ds_string(name))
+ obj_node_header_chunk.add_variable("name", _3ds_string(sane_name(name)))
# Add Flag variables (not sure what they do):
obj_node_header_chunk.add_variable("flags1", _3ds_short(0))
obj_node_header_chunk.add_variable("flags2", _3ds_short(0))
@@ -851,7 +848,7 @@ def make_kf_obj_node(obj, name_to_id):
# Empty objects need to have an extra chunk for the instance name:
if obj.type == 'Empty':
obj_instance_name_chunk = _3ds_chunk(OBJECT_INSTANCE_NAME)
- obj_instance_name_chunk.add_variable("name", _3ds_string(name))
+ obj_instance_name_chunk.add_variable("name", _3ds_string(sane_name(name)))
kf_obj_node.add_subchunk(obj_instance_name_chunk)
# Add track chunks for position, rotation and scale:
@@ -873,12 +870,9 @@ def save_3ds(filename):
if not BPyMessages.Warning_SaveOver(filename):
return
- PREF_TEXTURES = Blender.Draw.PupMenu('Texture (Breaks some importers)%t| YES %x1 | NO %x0')
- if PREF_TEXTURES ==-1: return
-
time1= Blender.sys.time()
Blender.Window.WaitCursor(1)
- scn= bpy.data.scenes.active
+ sce= bpy.data.scenes.active
# Initialize the main chunk (primary):
primary = _3ds_chunk(PRIMARY)
@@ -896,19 +890,19 @@ def save_3ds(filename):
'''
# Get all the supported objects selected in this scene:
- # ob_sel= list(scn.objects.context)
- # mesh_objects = [ (ob, me) for ob in ob_sel for me in (BPyMesh.getMeshFromObject(ob, None, True, False, scn),) if me ]
+ # ob_sel= list(sce.objects.context)
+ # mesh_objects = [ (ob, me) for ob in ob_sel for me in (BPyMesh.getMeshFromObject(ob, None, True, False, sce),) if me ]
# empty_objects = [ ob for ob in ob_sel if ob.type == 'Empty' ]
# Make a list of all materials used in the selected meshes (use a dictionary,
# each material is added once):
materialDict = {}
mesh_objects = []
- for ob in scn.objects.context:
+ for ob in sce.objects.context:
for ob_derived, mat in getDerivedObjects(ob, False):
- data = getMeshFromObject(ob_derived, None, True, False, scn)
+ data = getMeshFromObject(ob_derived, None, True, False, sce)
if data:
- data.transform(mat)
+ data.transform(mat, recalc_normals=False)
mesh_objects.append((ob_derived, data))
mat_ls = data.materials
mat_ls_len = len(mat_ls)
@@ -922,7 +916,7 @@ def save_3ds(filename):
mat_index = f.mat
if mat_index >= mat_ls_len:
mat_index = f.mat = 0
- mat = mat_ls[f.mat]
+ mat = mat_ls[mat_index]
if mat: mat_name = mat.name
else: mat_name = None
# else there alredy set to none
@@ -930,21 +924,14 @@ def save_3ds(filename):
img = f.image
if img: img_name = img.name
else: img_name = None
-
-
- try:
- materialDict[mat_name, img_name]
- except:
- materialDict[mat_name, img_name]= mat, img
+ materialDict.setdefault((mat_name, img_name), (mat, img) )
+
else:
for mat in mat_ls:
if mat: # material may be None so check its not.
- try:
- materialDict[mat.name, None]
- except:
- materialDict[mat.name, None]= mat, None
+ materialDict.setdefault((mat.name, None), (mat, None) )
# Why 0 Why!
for f in data.faces:
@@ -953,7 +940,7 @@ def save_3ds(filename):
# Make material chunks for all materials used in the meshes:
for mat_and_image in materialDict.itervalues():
- object_info.add_subchunk(make_material_chunk(mat_and_image[0], mat_and_image[1], PREF_TEXTURES))
+ object_info.add_subchunk(make_material_chunk(mat_and_image[0], mat_and_image[1]))
# Give all objects a unique ID and build a dictionary from object name to object id:
"""
@@ -971,7 +958,7 @@ def save_3ds(filename):
object_chunk = _3ds_chunk(OBJECT)
# set the object name
- object_chunk.add_variable("name", _3ds_string(str(i) + ob.name))
+ object_chunk.add_variable("name", _3ds_string(sane_name(ob.name)))
# make a mesh chunk out of the mesh:
object_chunk.add_subchunk(make_mesh_chunk(blender_mesh, materialDict))
@@ -1005,7 +992,7 @@ def save_3ds(filename):
# Check the size:
primary.get_size()
# Open the file for writing:
- file = open( filename, "wb" )
+ file = open( filename, 'wb' )
# Recursively write the chunks to file:
primary.write(file)
@@ -1013,20 +1000,14 @@ def save_3ds(filename):
# Close the file:
file.close()
- # Free memory
- """
- for ob, blender_mesh in mesh_objects:
- blender_mesh.verts= None
- """
-
# Debugging only: report the exporting time:
Blender.Window.WaitCursor(0)
print "3ds export time: %.2f" % (Blender.sys.time() - time1)
# Debugging only: dump the chunk hierarchy:
#primary.dump()
-
-
+
+
if __name__=='__main__':
Blender.Window.FileSelector(save_3ds, "Export 3DS", Blender.sys.makename(ext='.3ds'))
# save_3ds('/test_b.3ds')
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-09 01:20:37 +0300