Newer
Older
tabWrite("}\n")
tabWrite("}\n")
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("}\n")
else:
if texturesDif and texturesDif.startswith("PAT_"):
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
else:
tabWrite("pigment {uv_mapping image_map {%s \"%s\" %s}%s}\n" % \
(imageFormat(texturesDif), texturesDif,
(imgGamma + imgMap(t_dif)), mappingDif))
if texturesSpec != "":
# Level 1 is no specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=1)))
else:
# Level 2 is translated specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=2)))
## scale 1 rotate y*0
#imageMap = ("{image_map {%s \"%s\" %s }\n" % \
# (imageFormat(textures),textures,imgMap(t_dif)))
#tabWrite("uv_mapping pigment %s} %s finish {%s}\n" % \
# (imageMap,mapping,safety(material_finish)))
#tabWrite("pigment {uv_mapping image_map {%s \"%s\" %s}%s} " \
# "finish {%s}\n" % \
# (imageFormat(texturesDif), texturesDif, imgMap(t_dif),
# mappingDif, safety(material_finish)))
if texturesNorm != "":
## scale 1 rotate y*0
tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g %s}\n" %(texturesNorm, t_nor.normal_factor, mappingNor))
else:
tabWrite("normal {uv_mapping bump_map " \
"{%s \"%s\" %s bump_size %.4g }%s}\n" % \
(imageFormat(texturesNorm), texturesNorm, imgMap(t_nor),
t_nor.normal_factor, mappingNor))
if texturesSpec != "":
tabWrite("]\n")
##################Second index for mapping specular max value###############
tabWrite("[1 \n")
if texturesDif == "" and mater.pov.replacement_text == "":
if texturesAlpha != "":
mappingAlpha = imgMapTransforms(t_alpha)
tabWrite("function{f%s(x,y,z).transmit %s}\n" %(texturesAlpha, mappingAlpha))
else:
tabWrite("pigment {pigment_pattern {uv_mapping image_map" \
"{%s \"%s\" %s}%s}\n" % \
(imageFormat(texturesAlpha), texturesAlpha, imgMap(t_alpha),
mappingAlpha))
tabWrite("pigment_map {\n")
tabWrite("[0 color rgbft<0,0,0,1,1>]\n")
tabWrite("[1 color rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>]\n" % \
(col[0], col[1], col[2], povFilter, trans))
tabWrite("}\n")
tabWrite("}\n")
else:
tabWrite("pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>}\n" % \
(col[0], col[1], col[2], povFilter, trans))
if texturesSpec != "":
# Level 3 is full specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=3)))
elif colored_specular_found:
# Level 1 is no specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=1)))
else:
# Level 2 is translated specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=2)))
elif mater.pov.replacement_text == "":
mappingDif = imgMapTransforms(t_dif)
tabWrite("pigment{pigment_pattern {function{f%s(x,y,z).transmit}%s}\n" %(texturesAlpha, mappingAlpha))
else:
tabWrite("pigment {pigment_pattern {uv_mapping image_map" \
"{%s \"%s\" %s}%s}\n" % \
(imageFormat(texturesAlpha), texturesAlpha, imgMap(t_alpha),
mappingAlpha))
tabWrite("pigment_map {\n")
tabWrite("[0 color rgbft<0,0,0,1,1>]\n")
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("[1 function{f%s(x,y,z).transmit}%s]\n" %(texturesAlpha, mappingAlpha))
elif texturesDif and not texturesDif.startswith("PAT_"):
tabWrite("[1 uv_mapping image_map {%s \"%s\" %s} %s]\n" % \
(imageFormat(texturesDif), texturesDif,
(imgMap(t_dif) + imgGamma), mappingDif))
elif texturesDif and texturesDif.startswith("PAT_"):
tabWrite("[1 %s %s]\n" %(texturesDif, mappingDif))
tabWrite("}\n")
tabWrite("}\n")
else:
if texturesDif and texturesDif.startswith("PAT_"):
tabWrite("pigment{%s %s}\n" %(texturesDif, mappingDif))
else:
tabWrite("pigment {\n")
tabWrite("uv_mapping image_map {\n")
#tabWrite("%s \"%s\" %s}%s\n" % \
# (imageFormat(texturesDif), texturesDif,
# (imgGamma + imgMap(t_dif)),mappingDif))
tabWrite("%s \"%s\" \n" % (imageFormat(texturesDif), texturesDif))
tabWrite("%s\n" % (imgGamma + imgMap(t_dif)))
tabWrite("}\n")
tabWrite("%s\n" % mappingDif)
tabWrite("}\n")
tabWrite("finish {%s}\n" % (safety(material_finish, Level=3)))
else:
# Level 2 is translated specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=2)))
## scale 1 rotate y*0
#imageMap = ("{image_map {%s \"%s\" %s }" % \
# (imageFormat(textures), textures,imgMap(t_dif)))
Maurice Raybaud
committed
#tabWrite("\n\t\t\tuv_mapping pigment %s} %s finish {%s}" % \
Maurice Raybaud
committed
#tabWrite("\n\t\t\tpigment {uv_mapping image_map " \
# "{%s \"%s\" %s}%s} finish {%s}" % \
# (imageFormat(texturesDif), texturesDif,imgMap(t_dif),
# mappingDif, safety(material_finish)))
if texturesNorm != "" and mater.pov.replacement_text == "":
tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g %s}\n" %(texturesNorm, t_nor.normal_factor, mappingNor))
tabWrite("normal {uv_mapping bump_map {%s \"%s\" %s bump_size %.4g }%s}\n" % \
(imageFormat(texturesNorm), texturesNorm, imgMap(t_nor),
t_nor.normal_factor, mappingNor))
if texturesSpec != "" and mater.pov.replacement_text == "":
tabWrite("]\n")
tabWrite("}\n")
#End of slope/ior texture_map
if mater.pov.diffuse_shader == 'MINNAERT' and mater.pov.replacement_text == "":
if mater.pov.diffuse_shader == 'FRESNEL' and mater.pov.replacement_text == "":
c = 1
while (c <= lampCount):
tabWrite("]\n")
tabWrite("}\n")
c += 1
# Close first layer of POV "texture" (Blender material)
tabWrite("}\n")
if ((mater.specular_color.s > 0.0) and (mater.pov.diffuse_shader != 'MINNAERT')):
colored_specular_found = True
else:
colored_specular_found = False
# Write another layered texture using invisible diffuse and metallic trick
# to emulate colored specular highlights
special_texture_found = False
for t in mater.pov_texture_slots:
idx += 1
# index = mater.pov.active_texture_index
if(t and t.use and ((tex.type == 'IMAGE' and tex.image) or tex.type != 'IMAGE') and
(t.use_map_specular or t.use_map_raymir)):
# Specular mapped textures would conflict with colored specular
# because POV can't layer over or under pigment patterned textures
special_texture_found = True
if colored_specular_found and not special_texture_found:
if comments:
Maurice Raybaud
committed
tabWrite(" // colored highlights with a stransparent metallic layer\n")
tabWrite("texture {\n")
tabWrite("pigment {rgbft<%.3g, %.3g, %.3g, 0, 1>}\n" % \
(mater.specular_color[0], mater.specular_color[1], mater.specular_color[2]))
tabWrite("finish {%s}\n" % (safety(material_finish, Level=2))) # Level 2 is translated spec
texturesNorm = ""
for t in mater.pov_texture_slots:
image_filename = string_strip_hyphen(bpy.path.clean_name(tex.name))
if (t and tex.type == 'IMAGE' and
t.use and tex.image and
tex.pov.tex_pattern_type == 'emulator'):
imgGamma = ""
if image_filename:
if t.use_map_normal:
texturesNorm = image_filename
# colvalue = t.normal_factor/10 # UNUSED
#was the above used? --MR
t_nor = t
if proceduralFlag:
tabWrite("normal{function" \
"{f%s(x,y,z).grey} bump_size %.4g}\n" % \
(texturesNorm,
else:
tabWrite("normal {uv_mapping bump_map " \
"{%s \"%s\" %s bump_size %.4g }%s}\n" % \
(imageFormat(texturesNorm),
texturesNorm, imgMap(t_nor),
def string_strip_hyphen(name):
return name.replace("-", "")
# WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
def write_nodes(scene,povMatName,ntree,file):
"""translate Blender node trees to pov and write them to file"""
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
declareNodes=[]
scene=bpy.context.scene
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayFinishNode" and node.outputs["Finish"].is_linked:
file.write('#declare %s = finish {\n'%povNodeName)
emission=node.inputs["Emission"].default_value
if node.inputs["Emission"].is_linked:
pass
file.write(' emission %.4g\n'%emission)
for link in ntree.links:
if link.to_node == node:
if link.from_node.bl_idname == 'PovrayDiffuseNode':
intensity=0
albedo=""
brilliance=0
crand=0
if link.from_node.inputs["Intensity"].is_linked:
pass
else:
intensity=link.from_node.inputs["Intensity"].default_value
if link.from_node.inputs["Albedo"].is_linked:
pass
else:
if link.from_node.inputs["Albedo"].default_value == True:
albedo = "albedo"
file.write(' diffuse %s %.4g\n'%(albedo,intensity))
if link.from_node.inputs["Brilliance"].is_linked:
pass
else:
brilliance=link.from_node.inputs["Brilliance"].default_value
file.write(' brilliance %.4g\n'%brilliance)
if link.from_node.inputs["Crand"].is_linked:
pass
else:
crand=link.from_node.inputs["Crand"].default_value
if crand > 0:
file.write(' crand %.4g\n'%crand)
if link.from_node.bl_idname == 'PovraySubsurfaceNode':
if scene.povray.sslt_enable:
energy = 0
r = g = b = 0
if link.from_node.inputs["Translucency"].is_linked:
pass
else:
r,g,b,a=link.from_node.inputs["Translucency"].default_value[:]
if link.from_node.inputs["Energy"].is_linked:
pass
else:
energy=link.from_node.inputs["Energy"].default_value
file.write(' subsurface { translucency <%.4g,%.4g,%.4g>*%s }\n'%(r,g,b,energy))
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
if link.from_node.bl_idname in {'PovraySpecularNode','PovrayPhongNode'}:
intensity=0
albedo=""
roughness=0
metallic=0
phong_size=0
highlight="specular"
if link.from_node.inputs["Intensity"].is_linked:
pass
else:
intensity=link.from_node.inputs["Intensity"].default_value
if link.from_node.inputs["Albedo"].is_linked:
pass
else:
if link.from_node.inputs["Albedo"].default_value == True:
albedo = "albedo"
if link.from_node.bl_idname in {'PovrayPhongNode'}:
highlight="phong"
file.write(' %s %s %.4g\n'%(highlight,albedo,intensity))
if link.from_node.bl_idname in {'PovraySpecularNode'}:
if link.from_node.inputs["Roughness"].is_linked:
pass
else:
roughness=link.from_node.inputs["Roughness"].default_value
file.write(' roughness %.6g\n'%roughness)
if link.from_node.bl_idname in {'PovrayPhongNode'}:
if link.from_node.inputs["Size"].is_linked:
pass
else:
phong_size=link.from_node.inputs["Size"].default_value
file.write(' phong_size %s\n'%phong_size)
if link.from_node.inputs["Metallic"].is_linked:
pass
else:
metallic=link.from_node.inputs["Metallic"].default_value
file.write(' metallic %.4g\n'%metallic)
if link.from_node.bl_idname in {'PovrayMirrorNode'}:
file.write(' reflection {\n')
color=None
exponent=0
metallic=0
falloff=0
fresnel=""
conserve=""
if link.from_node.inputs["Color"].is_linked:
pass
else:
color=link.from_node.inputs["Color"].default_value[:]
file.write(' <%.4g,%.4g,%.4g>\n'%color)
if link.from_node.inputs["Exponent"].is_linked:
pass
else:
exponent=link.from_node.inputs["Exponent"].default_value
file.write(' exponent %.4g\n'%exponent)
if link.from_node.inputs["Falloff"].is_linked:
pass
else:
falloff=link.from_node.inputs["Falloff"].default_value
file.write(' falloff %.4g\n'%falloff)
if link.from_node.inputs["Metallic"].is_linked:
pass
else:
metallic=link.from_node.inputs["Metallic"].default_value
file.write(' metallic %.4g'%metallic)
if link.from_node.inputs["Fresnel"].is_linked:
pass
else:
if link.from_node.inputs["Fresnel"].default_value==True:
fresnel="fresnel"
if link.from_node.inputs["Conserve energy"].is_linked:
pass
else:
if link.from_node.inputs["Conserve energy"].default_value==True:
conserve="conserve_energy"
file.write(' %s}\n %s\n'%(fresnel,conserve))
if link.from_node.bl_idname == 'PovrayAmbientNode':
ambient=(0,0,0)
if link.from_node.inputs["Ambient"].is_linked:
pass
else:
ambient=link.from_node.inputs["Ambient"].default_value[:]
file.write(' ambient <%.4g,%.4g,%.4g>\n'%ambient)
if link.from_node.bl_idname in {'PovrayIridescenceNode'}:
file.write(' irid {\n')
amount=0
thickness=0
turbulence=0
if link.from_node.inputs["Amount"].is_linked:
pass
else:
amount=link.from_node.inputs["Amount"].default_value
file.write(' %.4g\n'%amount)
if link.from_node.inputs["Thickness"].is_linked:
pass
else:
exponent=link.from_node.inputs["Thickness"].default_value
file.write(' thickness %.4g\n'%thickness)
if link.from_node.inputs["Turbulence"].is_linked:
pass
else:
falloff=link.from_node.inputs["Turbulence"].default_value
file.write(' turbulence %.4g}\n'%turbulence)
file.write('}\n')
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayTransformNode" and node.outputs["Transform"].is_linked:
tx=node.inputs["Translate x"].default_value
ty=node.inputs["Translate y"].default_value
tz=node.inputs["Translate z"].default_value
rx=node.inputs["Rotate x"].default_value
ry=node.inputs["Rotate y"].default_value
rz=node.inputs["Rotate z"].default_value
sx=node.inputs["Scale x"].default_value
sy=node.inputs["Scale y"].default_value
sz=node.inputs["Scale z"].default_value
file.write('#declare %s = transform {\n translate<%.4g,%.4g,%.4g>\n rotate<%.4g,%.4g,%.4g>\n scale<%.4g,%.4g,%.4g>}\n'%(povNodeName,tx,ty,tz,rx,ry,rz,sx,sy,sz))
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayColorImageNode" and node.outputs["Pigment"].is_linked:
declareNodes.append(node.name)
if node.image == "":
file.write('#declare %s = pigment { color rgb 0.8}\n'%(povNodeName))
else:
im=bpy.data.images[node.image]
if im.filepath and os.path.exists(bpy.path.abspath(im.filepath)):
transform = ""
for link in ntree.links:
if link.from_node.bl_idname=='PovrayTransformNode' and link.to_node==node:
povTransName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
transform="transform {%s}"%povTransName
uv=""
if node.map_type=="uv_mapping":
uv="uv_mapping"
filepath=bpy.path.abspath(im.filepath)
file.write('#declare %s = pigment {%s image_map {\n'%(povNodeName,uv))
premul="off"
if node.premultiplied:
premul="on"
once=""
if node.once:
once="once"
file.write(' "%s"\n gamma %.6g\n premultiplied %s\n'%(filepath,node.inputs["Gamma"].default_value,premul))
file.write(' %s\n'%once)
if node.map_type!="uv_mapping":
file.write(' map_type %s\n'%(node.map_type))
file.write(' interpolate %s\n filter all %.4g\n transmit all %.4g\n'%
(node.interpolate,node.inputs["Filter"].default_value,node.inputs["Transmit"].default_value))
file.write(' }\n')
file.write(' %s\n'%transform)
file.write(' }\n')
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayImagePatternNode" and node.outputs["Pattern"].is_linked:
declareNodes.append(node.name)
if node.image != "":
im=bpy.data.images[node.image]
if im.filepath and os.path.exists(bpy.path.abspath(im.filepath)):
transform = ""
for link in ntree.links:
if link.from_node.bl_idname=='PovrayTransformNode' and link.to_node==node:
povTransName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
transform="transform {%s}"%povTransName
uv=""
if node.map_type=="uv_mapping":
uv="uv_mapping"
filepath=bpy.path.abspath(im.filepath)
file.write('#macro %s() %s image_pattern {\n'%(povNodeName,uv))
premul="off"
if node.premultiplied:
premul="on"
once=""
if node.once:
once="once"
file.write(' "%s"\n gamma %.6g\n premultiplied %s\n'%(filepath,node.inputs["Gamma"].default_value,premul))
file.write(' %s\n'%once)
if node.map_type!="uv_mapping":
file.write(' map_type %s\n'%(node.map_type))
file.write(' interpolate %s\n'%node.interpolate)
file.write(' }\n')
file.write(' %s\n'%transform)
file.write('#end\n')
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayBumpMapNode" and node.outputs["Normal"].is_linked:
if node.image != "":
im=bpy.data.images[node.image]
if im.filepath and os.path.exists(bpy.path.abspath(im.filepath)):
transform = ""
for link in ntree.links:
if link.from_node.bl_idname=='PovrayTransformNode' and link.to_node==node:
povTransName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
transform="transform {%s}"%povTransName
uv=""
if node.map_type=="uv_mapping":
uv="uv_mapping"
filepath=bpy.path.abspath(im.filepath)
file.write('#declare %s = normal {%s bump_map {\n'%(povNodeName,uv))
once=""
if node.once:
once="once"
file.write(' "%s"\n'%filepath)
file.write(' %s\n'%once)
if node.map_type!="uv_mapping":
file.write(' map_type %s\n'%(node.map_type))
bump_size=node.inputs["Normal"].default_value
if node.inputs["Normal"].is_linked:
pass
file.write(' interpolate %s\n bump_size %.4g\n'%(node.interpolate,bump_size))
file.write(' }\n')
file.write(' %s\n'%transform)
file.write(' }\n')
declareNodes.append(node.name)
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayPigmentNode" and node.outputs["Pigment"].is_linked:
declareNodes.append(node.name)
r,g,b=node.inputs["Color"].default_value[:]
f=node.inputs["Filter"].default_value
t=node.inputs["Transmit"].default_value
if node.inputs["Color"].is_linked:
pass
file.write('#declare %s = pigment{color srgbft <%.4g,%.4g,%.4g,%.4g,%.4g>}\n'%(povNodeName,r,g,b,f,t))
for node in ntree.nodes:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
if node.bl_idname == "PovrayTextureNode" and node.outputs["Texture"].is_linked:
declareNodes.append(node.name)
r,g,b=node.inputs["Pigment"].default_value[:]
povColName="color rgb <%.4g,%.4g,%.4g>"%(r,g,b)
if node.inputs["Pigment"].is_linked:
for link in ntree.links:
if link.to_node==node and link.to_socket.name=="Pigment":
povColName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
file.write('#declare %s = texture{\n pigment{%s}\n'%(povNodeName,povColName))
if node.inputs["Normal"].is_linked:
for link in ntree.links:
if link.to_node==node and link.to_socket.name=="Normal" and link.from_node.name in declareNodes:
povNorName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
file.write(' normal{%s}\n'%povNorName)
if node.inputs["Finish"].is_linked:
for link in ntree.links:
if link.to_node==node and link.to_socket.name=="Finish":
povFinName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
file.write(' finish{%s}\n'%povFinName)
file.write('}\n')
declareNodes.append(node.name)
for i in range(0,len(ntree.nodes)):
for node in ntree.nodes:
if node.bl_idname in {"ShaderNodeGroup","ShaderTextureMapNode"}:
for output in node.outputs:
if output.name=="Texture" and output.is_linked and (node.name not in declareNodes):
declare=True
for link in ntree.links:
if link.to_node==node and link.to_socket.name not in {"","Color ramp","Mapping","Transform","Modifier"}:
if link.from_node.name not in declareNodes:
declare=False
if declare:
povNodeName=string_strip_hyphen(bpy.path.clean_name(node.name))+"_%s"%povMatName
uv=""
warp=""
for link in ntree.links:
if link.to_node==node and link.from_node.bl_idname=='PovrayMappingNode' and link.from_node.warp_type!="NONE":
w_type = link.from_node.warp_type
if w_type=="uv_mapping":
uv="uv_mapping"
else:
tor=""
if w_type=="toroidal":
tor="major_radius %.4g"%link.from_node.warp_tor_major_radius
orient=link.from_node.warp_orientation
exp=link.from_node.warp_dist_exp
warp="warp{%s orientation %s dist_exp %.4g %s}"%(w_type,orient,exp,tor)
if link.from_node.warp_type=="planar":
warp="warp{%s %s %.4g}"%(w_type,orient,exp)
if link.from_node.warp_type=="cubic":
warp="warp{%s}"%w_type
file.write('#declare %s = texture {%s\n'%(povNodeName,uv))
pattern=node.inputs[0].default_value
advanced=""
if node.inputs[0].is_linked:
for link in ntree.links:
if link.to_node==node and link.from_node.bl_idname=='ShaderPatternNode':
########### advanced ###############################################
lfn=link.from_node
pattern=lfn.pattern
if pattern == 'agate':
advanced = 'agate_turb %.4g'%lfn.agate_turb
if pattern == 'crackle':
advanced="form <%.4g,%.4g,%.4g>"%(lfn.crackle_form_x,lfn.crackle_form_y,lfn.crackle_form_z)
advanced+=" metric %.4g"%lfn.crackle_metric
if lfn.crackle_solid:
advanced+=" solid"
if pattern in {'spiral1', 'spiral2'}:
advanced='%.4g'%lfn.spiral_arms
if pattern in {'tiling'}:
advanced='%.4g'%lfn.tiling_number
if pattern in {'gradient'}:
advanced='%s'%lfn.gradient_orient
if link.to_node==node and link.from_node.bl_idname=='PovrayImagePatternNode':
povMacroName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
pattern = "%s()"%povMacroName
file.write(' %s %s %s\n'%(pattern,advanced,warp))
repeat=""
for link in ntree.links:
if link.to_node==node and link.from_node.bl_idname=='PovrayMultiplyNode':
if link.from_node.amount_x > 1:
repeat+="warp{repeat %.4g * x}"%link.from_node.amount_x
if link.from_node.amount_y > 1:
repeat+=" warp{repeat %.4g * y}"%link.from_node.amount_y
if link.from_node.amount_z > 1:
repeat+=" warp{repeat %.4g * z}"%link.from_node.amount_z
transform=""
for link in ntree.links:
if link.to_node==node and link.from_node.bl_idname=='PovrayTransformNode':
povTransName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
transform="transform {%s}"%povTransName
x=0
y=0
z=0
d=0
e=0
f=0
g=0
h=0
modifier=False
for link in ntree.links:
if link.to_node==node and link.from_node.bl_idname=='PovrayModifierNode':
modifier=True
if link.from_node.inputs["Turb X"].is_linked:
pass
else:
x = link.from_node.inputs["Turb X"].default_value
if link.from_node.inputs["Turb Y"].is_linked:
pass
else:
y = link.from_node.inputs["Turb Y"].default_value
if link.from_node.inputs["Turb Z"].is_linked:
pass
else:
z = link.from_node.inputs["Turb Z"].default_value
if link.from_node.inputs["Octaves"].is_linked:
pass
else:
d = link.from_node.inputs["Octaves"].default_value
if link.from_node.inputs["Lambda"].is_linked:
pass
else:
e = link.from_node.inputs["Lambda"].default_value
if link.from_node.inputs["Omega"].is_linked:
pass
else:
f = link.from_node.inputs["Omega"].default_value
if link.from_node.inputs["Frequency"].is_linked:
pass
else:
g = link.from_node.inputs["Frequency"].default_value
if link.from_node.inputs["Phase"].is_linked:
pass
else:
h = link.from_node.inputs["Phase"].default_value
turb = "turbulence <%.4g,%.4g,%.4g>"%(x,y,z)
octv = "octaves %s"%d
lmbd = "lambda %.4g"%e
omg = "omega %.4g"%f
freq = "frequency %.4g"%g
pha = "phase %.4g"%h
file.write('\n')
if pattern not in {'checker', 'hexagon', 'square', 'triangular', 'brick'}:
file.write(' texture_map {\n')
if node.inputs["Color ramp"].is_linked:
for link in ntree.links:
if link.to_node==node and link.from_node.bl_idname=="ShaderNodeValToRGB":
els = link.from_node.color_ramp.elements
n=-1
for el in els:
n+=1
povInMatName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s_%s"%(n,povMatName)
default=True
for ilink in ntree.links:
if ilink.to_node==node and ilink.to_socket.name == str(n):
default=False
povInMatName=string_strip_hyphen(bpy.path.clean_name(ilink.from_node.name))+"_%s"%povMatName
if default:
r,g,b,a=el.color[:]
file.write(' #declare %s = texture{pigment{color srgbt <%.4g,%.4g,%.4g,%.4g>}};\n'%(povInMatName,r,g,b,1-a))
file.write(' [%s %s]\n'%(el.position,povInMatName))
else:
els=[[0,0,0,0],[1,1,1,1]]
for i in range(0,2):
povInMatName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s_%s"%(i,povMatName)
default=True
for ilink in ntree.links:
if ilink.to_node==node and ilink.to_socket.name == str(i):
default=False
povInMatName=string_strip_hyphen(bpy.path.clean_name(ilink.from_node.name))+"_%s"%povMatName
if default:
r,g,b=els[i][1],els[i][2],els[i][3]
if pattern not in {'checker', 'hexagon', 'square', 'triangular', 'brick'}:
file.write(' #declare %s = texture{pigment{color rgb <%.4g,%.4g,%.4g>}};\n'%(povInMatName,r,g,b))
else:
file.write(' texture{pigment{color rgb <%.4g,%.4g,%.4g>}}\n'%(r,g,b))
if pattern not in {'checker', 'hexagon', 'square', 'triangular', 'brick'}:
file.write(' [%s %s]\n'%(els[i][0],povInMatName))
else:
if default==False:
file.write(' texture{%s}\n'%povInMatName)
if pattern not in {'checker', 'hexagon', 'square', 'triangular', 'brick'}:
file.write('}\n')
if pattern == 'brick':
file.write("brick_size <%.4g, %.4g, %.4g> mortar %.4g \n"%(node.brick_size_x,
node.brick_size_y, node.brick_size_z, node.brick_mortar))
file.write(' %s %s'%(repeat,transform))
if modifier:
file.write(' %s %s %s %s %s %s'%(turb,octv,lmbd,omg,freq,pha))
file.write('}\n')
declareNodes.append(node.name)
for link in ntree.links:
if link.to_node.bl_idname == "PovrayOutputNode" and link.from_node.name in declareNodes:
povMatNodeName=string_strip_hyphen(bpy.path.clean_name(link.from_node.name))+"_%s"%povMatName
file.write('#declare %s = %s\n'%(povMatName,povMatNodeName))