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
|
#!BPY
"""
Name: 'TrueSpace (.cob)...'
Blender: 232
Group: 'Import'
Tooltip: 'Import TrueSpace Object File Format (.cob)'
"""
__author__ = "Anthony D'Agostino (Scorpius)"
__url__ = ("blender", "elysiun",
"Author's homepage, http://www.redrival.com/scorpius")
__version__ = "Part of IOSuite 0.5"
__bpydoc__ = """\
This script imports TrueSpace files to Blender.
Usage:
Execute this script from the "File->Import" menu and choose a TrueSpace file to
open.
"""
# $Id$
#
# +---------------------------------------------------------+
# | Copyright (c) 2001 Anthony D'Agostino |
# | http://www.redrival.com/scorpius |
# | scorpius@netzero.com |
# | June 12, 2001 |
# | Released under the Blender Artistic Licence (BAL) |
# | Import Export Suite v0.5 |
# +---------------------------------------------------------+
# | Read and write Caligari trueSpace File Format (*.cob) |
# +---------------------------------------------------------+
import Blender, mod_meshtools
import struct, chunk, os, cStringIO, time
# =======================
# === COB Chunk Class ===
# =======================
class CobChunk(chunk.Chunk):
def __init__(self, file, align = 0, bigendian = 0, inclheader = 0): #$ COB
self.closed = 0
self.align = align # whether to align to word (2-byte) boundaries
if bigendian:
strflag = '>'
else:
strflag = '<'
self.file = file
self.chunkname = file.read(4)
if len(self.chunkname) < 4:
raise EOFError
self.major_ver, = struct.unpack(strflag+'h', file.read(2)) #$ COB
self.minor_ver, = struct.unpack(strflag+'h', file.read(2)) #$ COB
self.chunk_id, = struct.unpack(strflag+'l', file.read(4)) #$ COB
self.parent_id, = struct.unpack(strflag+'l', file.read(4)) #$ COB
try:
self.chunksize = struct.unpack(strflag+'l', file.read(4))[0]
except struct.error:
raise EOFError
if inclheader:
self.chunksize = self.chunksize - 20 #$ COB
self.size_read = 0
try:
self.offset = self.file.tell()
except:
self.seekable = 0
else:
self.seekable = 1
# ============================
# === Read COB File Header ===
# ============================
def read_header(file):
magic, = struct.unpack("<9s", file.read(9))
version, = struct.unpack("<6s", file.read(6))
format, = struct.unpack("<1c", file.read(1))
endian, = struct.unpack("<2s", file.read(2))
misc, = struct.unpack("13s", file.read(13))
newline, = struct.unpack("<1B", file.read(1))
return format
# ========================================
# === Read PolH (Polygonal Data) Chunk ===
# ========================================
def read_polh(chunk):
data = cStringIO.StringIO(chunk.read())
oname = read_ObjectName(data)
local = read_LocalAxes(data)
crpos = read_CurrentPosition(data)
verts = read_VertexList(data)
uvcoords = read_UVCoords(data)
faces, facesuv = read_FaceList(data, chunk)
return verts, faces, oname, facesuv, uvcoords
# === Read Object Name ===
def read_ObjectName(data):
dupecount, namelen = struct.unpack("<hh", data.read(4))
objname = data.read(namelen)
if objname == '': objname = 'NoName'
if dupecount > 0: objname = objname + ', ' + `dupecount`
return objname
# === Read Local Axes ===
def read_LocalAxes(data):
location = struct.unpack("<fff", data.read(12))
rotation_matrix=[]
for i in range(3):
row = struct.unpack("<fff", data.read(12))
#print "% f % f % f" % row
rotation_matrix.append(list(row))
#print
rotation_matrix = mod_meshtools.transpose(rotation_matrix)
# === Read Current Position ===
def read_CurrentPosition(data):
transformation_matrix=[]
for i in range(3):
row = struct.unpack("<ffff", data.read(16))
#print "% f % f % f % f" % row
transformation_matrix.append(list(row))
#print
# === Read Vertex List ===
def read_VertexList(data):
verts = []
numverts, = struct.unpack("<l", data.read(4))
for i in range(numverts):
if not i%100 and mod_meshtools.show_progress:
Blender.Window.DrawProgressBar(float(i)/numverts, "Reading Verts")
x, y, z = struct.unpack("<fff", data.read(12))
verts.append((y, -x, z))
return verts
# === Read UV Vertex List ===
def read_UVCoords(data):
uvcoords = []
numuvcoords, = struct.unpack("<l", data.read(4))
for i in range(numuvcoords):
if not i%100 and mod_meshtools.show_progress:
Blender.Window.DrawProgressBar(float(i)/numuvcoords, "Reading UV Coords")
uv = struct.unpack("<ff", data.read(8))
uvcoords.append(uv)
#print "num uvcoords:", len(uvcoords)
#for i in range(len(uvcoords)): print "%.4f, %.4f" % uvcoords[i]
return uvcoords
# === Read Face List ===
def read_FaceList(data, chunk):
faces = [] ; facesuv = []
numfaces, = struct.unpack("<l", data.read(4))
for i in range(numfaces):
if not i%100 and mod_meshtools.show_progress:
Blender.Window.DrawProgressBar(float(i)/numfaces, "Reading Faces")
face_flags, numfaceverts = struct.unpack("<Bh", data.read(3))
if (face_flags & 0x08) == 0x08:
print "face #" + `i-1` + " contains a hole."
pass
else:
data.read(2) # Material Index
facev = [] ; faceuv = []
for j in range(numfaceverts):
index, uvidx = struct.unpack("<ll", data.read(8))
facev.append(index); faceuv.append(uvidx)
facev.reverse() ; faceuv.reverse()
faces.append(facev) ; facesuv.append(faceuv)
if chunk.minor_ver == 6:
DrawFlags, RadiosityQuality = struct.unpack("<lh", data.read(6))
if chunk.minor_ver == 8:
DrawFlags, = struct.unpack("<l", data.read(4))
return faces , facesuv
# =============================
# === Read trueSpace Format ===
# =============================
def read(filename):
start = time.clock()
file = open(filename, "rb")
# === COB header ===
if read_header(file) == 'A':
print "Can't read ASCII format"
return
while 1:
try:
cobchunk = CobChunk(file)
except EOFError:
break
if cobchunk.chunkname == "PolH":
verts, faces, objname, facesuv, uvcoords = read_polh(cobchunk)
mod_meshtools.create_mesh(verts, faces, objname, facesuv, uvcoords)
'''
object = Blender.Object.GetSelected()
obj = Blender.Object.Get(objname)
obj.loc = location
obj.rot = mod_meshtools.mat2euler(rotation_matrix)
obj.size = (transformation_matrix[0][0]/rotation_matrix[0][0],
transformation_matrix[1][1]/rotation_matrix[1][1],
transformation_matrix[2][2]/rotation_matrix[2][2])
'''
else:
cobchunk.skip()
Blender.Window.DrawProgressBar(1.0, '') # clear progressbar
file.close()
end = time.clock()
seconds = " in %.2f %s" % (end-start, "seconds")
message = "Successfully imported " + os.path.basename(filename) + seconds
mod_meshtools.print_boxed(message)
#print "objname :", objname
#print "numverts:", len(verts)
#print "numfaces:", len(faces)
def fs_callback(filename):
read(filename)
Blender.Window.FileSelector(fs_callback, "Import COB")
# === Matrix Differences between Blender & trueSpace ===
#
# For the 'Local Axes' values:
# The x, y, and z-axis represent a simple rotation matrix.
# This is equivalent to Blender's object matrix before it was
# combined with the object's scaling matrix. Dividing each value
# by the appropriate scaling factor (and transposing at the same
# time) produces the original rotation matrix.
#
# For the 'Current Position' values:
# This is equivalent to Blender's object matrix except that the
# last row is omitted and the xyz location is used in the last
# column. Binary format uses a 4x3 matrix, ascii format uses a 4x4
# matrix.
#
# For Cameras: The matrix is a little confusing.
|
