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if texturesDif == "" and mater.pov.replacement_text == "":
if texturesAlpha != "":
# POV-Ray "scale" is not a number of repetitions factor, but its inverse,
# a standard scale factor.
# Offset seems needed relatively to scale so probably center of the scale
# is not the same in blender and POV
# Strange that the translation factor for scale is not the same as for
# translate.
# TODO: verify both matches with blender internal.
mappingAlpha = imgMapTransforms(t_alpha)
# mappingAlpha = " translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>\n" % \
# (-t_alpha.offset.x, -t_alpha.offset.y, t_alpha.offset.z,
# 1.0 / t_alpha.scale.x, 1.0 / t_alpha.scale.y,
# 1.0 / t_alpha.scale.z)
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("function{f%s(x,y,z).transmit}\n" %texturesAlpha)
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)
# mappingDif = ("scale <%.4g,%.4g,%.4g> translate <%.4g,%.4g,%.4g>" % \
# ( 1.0 / t_dif.scale.x,
# 1.0 / t_dif.scale.y,
# 1.0 / t_dif.scale.z,
# 0.5-(0.5/t_dif.scale.x) + t_dif.offset.x,
# 0.5-(0.5/t_dif.scale.y) + t_dif.offset.y,
# 0.5-(0.5/t_dif.scale.z) + t_dif.offset.z))
if texturesAlpha != "":
# Strange that the translation factor for scale is not the same as for
# translate.
# TODO: verify both matches with blender internal.
mappingAlpha = imgMapTransforms(t_alpha)
# mappingAlpha = "translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \
# (-t_alpha.offset.x, -t_alpha.offset.y, t_alpha.offset.z,
# 1.0 / t_alpha.scale.x, 1.0 / t_alpha.scale.y,
# 1.0 / t_alpha.scale.z)
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("pigment{pigment_pattern {function{f%s(x,y,z).transmit}}\n" %texturesAlpha)
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}]\n" %texturesAlpha)
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]\n" %texturesDif)
tabWrite("}\n")
tabWrite("}\n")
else:
if texturesDif and texturesDif.startswith("PAT_"):
tabWrite("pigment{%s}\n" %texturesDif)
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")
if texturesSpec != "":
# Level 3 is full specular
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 " \
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# "{%s \"%s\" %s}%s} finish {%s}" % \
# (imageFormat(texturesDif), texturesDif,imgMap(t_dif),
# mappingDif, safety(material_finish)))
if texturesNorm != "" and mater.pov.replacement_text == "":
## scale 1 rotate y*0
# POV-Ray "scale" is not a number of repetitions factor, but its inverse,
# a standard scale factor.
# Offset seems needed relatively to scale so probably center of the scale is
# not the same in blender and POV
mappingNor =imgMapTransforms(t_nor)
# mappingNor = (" translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \
# (-t_nor.offset.x, -t_nor.offset.y, t_nor.offset.z,
# 1.0 / t_nor.scale.x, 1.0 / t_nor.scale.y, 1.0 / t_nor.scale.z))
#imageMapNor = ("{bump_map {%s \"%s\" %s mapping}" % \
# (imageFormat(texturesNorm),texturesNorm,imgMap(t_nor)))
#We were not using the above maybe we should?
if texturesNorm and texturesNorm.startswith("PAT_"):
tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g}\n" %(texturesNorm, t_nor.normal_factor * 10))
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 * 10.0, mappingNor))
if texturesSpec != "" and mater.pov.replacement_text == "":
tabWrite("]\n")
tabWrite("}\n")
#End of slope/ior texture_map
if mater.diffuse_shader == 'MINNAERT' and mater.pov.replacement_text == "":
tabWrite("]\n")
tabWrite("}\n")
if mater.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):
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.texture_slots:
if(t and t.use and ((t.texture.type == 'IMAGE' and t.texture.image) or t.texture.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")
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else:
tabWrite("\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.texture_slots:
if t and t.texture.pov.tex_pattern_type != 'emulator':
proceduralFlag=True
image_filename = string_strip_hyphen(bpy.path.clean_name(t.texture.name))
if (t and t.texture.type == 'IMAGE' and
t.use and t.texture.image and
t.texture.pov.tex_pattern_type == 'emulator'):
proceduralFlag=False
image_filename = path_image(t.texture.image)
imgGamma = ""
if image_filename:
if t.use_map_normal:
texturesNorm = image_filename
# colvalue = t.normal_factor * 10.0 # UNUSED
#textNormName=t.texture.image.name + ".normal"
#was the above used? --MR
t_nor = t
if proceduralFlag:
tabWrite("normal{function" \
"{f%s(x,y,z).grey} bump_size %.4g}\n" % \
(texturesNorm,
t_nor.normal_factor * 10))
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 * 10,
mappingNor))
tabWrite("}\n") # THEN IT CAN CLOSE LAST LAYER OF TEXTURE