1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
#!BPY
"""
Name: 'Solidify Selection'
Blender: 243
Group: 'Mesh'
Tooltip: 'Makes the mesh solid by creating a second skin.'
"""
__author__ = "Campbell Barton"
__url__ = ("www.blender.org", "blenderartists.org")
__version__ = "1.1"
__bpydoc__ = """\
This script makes a skin from the selected faces.
Optionaly you can skin between the original and new faces to make a watertight solid object
"""
# --------------------------------------------------------------------------
# Solidify Selection 1.0 by Campbell Barton (AKA Ideasman42)
# --------------------------------------------------------------------------
# ***** BEGIN GPL LICENSE BLOCK *****
#
# 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.
#
# ***** END GPL LICENCE BLOCK *****
# --------------------------------------------------------------------------
from Blender import *
import bpy
import BPyMesh
# reload(BPyMesh)
import BPyMessages
# reload(BPyMessages)
from BPyMathutils import angleToLength
# python 2.3 has no reversed() iterator. this will only work on lists and tuples
try:
reversed
except:
def reversed(l): return l[::-1]
def copy_facedata_multilayer(me, from_faces, to_faces):
'''
Tkes 2 lists of faces and copies multilayer data from 1 to another
make sure they are aligned, cant copy from a quad to a tri, used for solidify selection.
'''
def copy_default_face(data):
face_from, face_to = data
face_to.mat = face_from.mat
face_to.smooth = face_from.smooth
face_to.sel = True
face_from.sel = False
def copy_tex_face(data):
face_from, face_to = data
face_to.uv = [c for c in reversed(face_from.uv)]
face_to.mode = face_from.mode
face_to.flag = face_from.flag
face_to.image = face_from.image
def copy_col_face(data):
face_from, face_to = data
face_to.col = [c for c in reversed(face_from.col)]
# make a list of face_from, face_to pairs
#face_pairs = zip(faces_sel, [me_faces[len_faces + i] for i in xrange(len(faces_sel))])
face_pairs = zip(from_faces, to_faces)
# Copy properties from 1 set of faces to another.
map(copy_default_face, face_pairs)
for uvlayer in me.getUVLayerNames():
me.activeUVLayer = uvlayer
map(copy_tex_face, face_pairs)
for collayer in me.getColorLayerNames():
me.activeColorLayer = collayer
map(copy_col_face, face_pairs)
# Now add quads between if we wants
Ang= Mathutils.AngleBetweenVecs
SMALL_NUM=0.00001
def solidify(me, PREF_THICK, PREF_SKIN_SIDES=True, PREF_REM_ORIG=False, PREF_COLLAPSE_SIDES=False):
# Main code function
me_faces = me.faces
faces_sel= [f for f in me_faces if f.sel]
BPyMesh.meshCalcNormals(me)
normals= [v.no for v in me.verts]
vertFaces= [[] for i in xrange(len(me.verts))]
for f in me_faces:
no=f.no
for v in f:
vertFaces[v.index].append(no)
# Scale the normals by the face angles from the vertex Normals.
for i in xrange(len(me.verts)):
length=0.0
if vertFaces[i]:
for fno in vertFaces[i]:
try:
a= Ang(fno, normals[i])
except:
a= 0
if a>=90:
length+=1
elif a < SMALL_NUM:
length+= 1
else:
length+= angleToLength(a)
length= length/len(vertFaces[i])
#print 'LENGTH %.6f' % length
# normals[i]= (normals[i] * length) * PREF_THICK
normals[i] *= length * PREF_THICK
len_verts = len( me.verts )
len_faces = len( me_faces )
vert_mapping= [-1] * len(me.verts)
verts= []
for f in faces_sel:
for v in f:
i= v.index
if vert_mapping[i]==-1:
vert_mapping[i]= len_verts + len(verts)
verts.append(v.co + normals[i])
#verts= [v.co + normals[v.index] for v in me.verts]
me.verts.extend( verts )
#faces= [tuple([ me.verts[v.index+len_verts] for v in reversed(f.v)]) for f in me_faces ]
faces= [ tuple([vert_mapping[v.index] for v in reversed(f.v)]) for f in faces_sel ]
me_faces.extend( faces )
# Old method before multi UVs
"""
has_uv = me.faceUV
has_vcol = me.vertexColors
for i, orig_f in enumerate(faces_sel):
new_f= me_faces[len_faces + i]
new_f.mat = orig_f.mat
new_f.smooth = orig_f.smooth
orig_f.sel=False
new_f.sel= True
new_f = me_faces[i+len_faces]
if has_uv:
new_f.uv = [c for c in reversed(orig_f.uv)]
new_f.mode = orig_f.mode
new_f.flag = orig_f.flag
if orig_f.image:
new_f.image = orig_f.image
if has_vcol:
new_f.col = [c for c in reversed(orig_f.col)]
"""
copy_facedata_multilayer(me, faces_sel, [me_faces[len_faces + i] for i in xrange(len(faces_sel))])
if PREF_SKIN_SIDES or PREF_COLLAPSE_SIDES:
skin_side_faces= []
skin_side_faces_orig= []
# Get edges of faces that only have 1 user - so we can make walls
edges = {}
# So we can reference indicies that wrap back to the start.
ROT_TRI_INDEX = 0,1,2,0
ROT_QUAD_INDEX = 0,1,2,3,0
for f in faces_sel:
f_v= f.v
for i, edgekey in enumerate(f.edge_keys):
if edges.has_key(edgekey):
edges[edgekey]= None
else:
if len(f_v) == 3:
edges[edgekey] = f, f_v, i, ROT_TRI_INDEX[i+1]
else:
edges[edgekey] = f, f_v, i, ROT_QUAD_INDEX[i+1]
del ROT_QUAD_INDEX, ROT_TRI_INDEX
# So we can remove doubles with edges only.
if PREF_COLLAPSE_SIDES:
me.sel = False
# Edges are done. extrude the single user edges.
for edge_face_data in edges.itervalues():
if edge_face_data: # != None
f, f_v, i1, i2 = edge_face_data
v1i,v2i= f_v[i1].index, f_v[i2].index
if PREF_COLLAPSE_SIDES:
# Collapse
cv1 = me.verts[v1i]
cv2 = me.verts[vert_mapping[v1i]]
cv3 = me.verts[v2i]
cv4 = me.verts[vert_mapping[v2i]]
cv1.co = cv2.co = (cv1.co+cv2.co)/2
cv3.co = cv4.co = (cv3.co+cv4.co)/2
cv1.sel=cv2.sel=cv3.sel=cv4.sel=True
else:
# Now make a new Face
# skin_side_faces.append( (v1i, v2i, vert_mapping[v2i], vert_mapping[v1i]) )
skin_side_faces.append( (v2i, v1i, vert_mapping[v1i], vert_mapping[v2i]) )
skin_side_faces_orig.append((f, len(me_faces) + len(skin_side_faces_orig), i1, i2))
if PREF_COLLAPSE_SIDES:
me.remDoubles(0.0001)
else:
me_faces.extend(skin_side_faces)
# Now assign properties.
"""
# Before MultiUVs
for i, origfData in enumerate(skin_side_faces_orig):
orig_f, new_f_idx, i1, i2 = origfData
new_f= me_faces[new_f_idx]
new_f.mat= orig_f.mat
new_f.smooth= orig_f.smooth
if has_uv:
new_f.mode= orig_f.mode
new_f.flag= orig_f.flag
if orig_f.image:
new_f.image= orig_f.image
uv1= orig_f.uv[i1]
uv2= orig_f.uv[i2]
new_f.uv= (uv1, uv2, uv2, uv1)
if has_vcol:
col1= orig_f.col[i1]
col2= orig_f.col[i2]
new_f.col= (col1, col2, col2, col1)
"""
for i, origfData in enumerate(skin_side_faces_orig):
orig_f, new_f_idx, i2, i1 = origfData
new_f= me_faces[new_f_idx]
new_f.mat= orig_f.mat
new_f.smooth= orig_f.smooth
for uvlayer in me.getUVLayerNames():
me.activeUVLayer = uvlayer
for i, origfData in enumerate(skin_side_faces_orig):
orig_f, new_f_idx, i2, i1 = origfData
new_f= me_faces[new_f_idx]
new_f.mode= orig_f.mode
new_f.flag= orig_f.flag
new_f.image= orig_f.image
uv1= orig_f.uv[i1]
uv2= orig_f.uv[i2]
new_f.uv= (uv1, uv2, uv2, uv1)
for collayer in me.getColorLayerNames():
me.activeColorLayer = collayer
for i, origfData in enumerate(skin_side_faces_orig):
orig_f, new_f_idx, i2, i1 = origfData
new_f= me_faces[new_f_idx]
col1= orig_f.col[i1]
col2= orig_f.col[i2]
new_f.col= (col1, col2, col2, col1)
if PREF_REM_ORIG:
me_faces.delete(0, faces_sel)
def main():
scn = bpy.data.scenes.active
ob = scn.objects.active
if not ob or ob.type != 'Mesh':
BPyMessages.Error_NoMeshActive()
return
me = ob.getData(mesh=1)
if me.multires:
BPyMessages.Error_NoMeshMultiresEdit()
return
# Create the variables.
PREF_THICK = Draw.Create(-0.1)
PREF_SKIN_SIDES= Draw.Create(1)
PREF_COLLAPSE_SIDES= Draw.Create(0)
PREF_REM_ORIG= Draw.Create(0)
pup_block = [\
('Thick:', PREF_THICK, -10, 10, 'Skin thickness in mesh space.'),\
('Skin Sides', PREF_SKIN_SIDES, 'Skin between the original and new faces.'),\
('Collapse Sides', PREF_COLLAPSE_SIDES, 'Skin between the original and new faces.'),\
('Remove Original', PREF_REM_ORIG, 'Remove the selected faces after skinning.'),\
]
if not Draw.PupBlock('Solid Skin Selection', pup_block):
return
is_editmode = Window.EditMode()
if is_editmode: Window.EditMode(0)
Window.WaitCursor(1)
me = ob.getData(mesh=1)
solidify(me, PREF_THICK.val, PREF_SKIN_SIDES.val, PREF_REM_ORIG.val, PREF_COLLAPSE_SIDES.val)
Window.WaitCursor(0)
if is_editmode: Window.EditMode(1)
Window.RedrawAll()
if __name__ == '__main__':
main()
|