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file.write("#end\n\n")
file.write("#local front_v = VPerp_Adjust(_side_face, z);\n")
file.write("#if(vdot(front_v, x) >= 0)\n")
file.write(" #local face_ang = acos(vdot(-y, front_v));\n")
file.write("#else\n")
file.write(" #local face_ang = -acos(vdot(-y, front_v));\n")
file.write("#end\n")
file.write("#local polyg_ext_ang = 2*pi/n;\n")
file.write("#local polyg_outer_r = _polygon_circumscribed_radius;\n")
file.write("#local polyg_inner_r = polyg_outer_r*cos(polyg_ext_ang/2);\n")
file.write("#local cycle_r = _circle_radius;\n")
file.write("#local h = _height;\n")
file.write("#if(polyg_outer_r < 0 | cycle_r < 0 | h <= 0)\n")
file.write(' #error "error: each side length must be positive"\n')
file.write("#end\n\n")
file.write("#local multi = 1000;\n")
file.write("#local poly_obj =\n")
file.write("polynomial{\n")
file.write("4,\n")
file.write("xyz(0,2,2): multi*1,\n")
file.write("xyz(2,0,1): multi*2*h,\n")
file.write("xyz(1,0,2): multi*2*(polyg_inner_r-cycle_r),\n")
file.write("xyz(2,0,0): multi*(-h*h),\n")
file.write("xyz(0,0,2): multi*(-pow(cycle_r - polyg_inner_r, 2)),\n")
file.write("xyz(1,0,1): multi*2*h*(-2*polyg_inner_r + cycle_r),\n")
file.write("xyz(1,0,0): multi*2*h*h*polyg_inner_r,\n")
file.write("xyz(0,0,1): multi*2*h*polyg_inner_r*(polyg_inner_r - cycle_r),\n")
file.write("xyz(0,0,0): multi*(-pow(polyg_inner_r*h, 2))\n")
file.write("sturm\n")
file.write("}\n\n")
file.write("#local mockup1 =\n")
file.write("difference{\n")
file.write(" cylinder{\n")
file.write(" <0,0,0.0>,<0,0,h>, max(polyg_outer_r, cycle_r)\n")
file.write(" }\n\n")
file.write(" #for(i, 0, n-1)\n")
file.write(" object{\n")
file.write(" poly_obj\n")
file.write(" inverse\n")
file.write(" rotate <0, 0, -90 + degrees(polyg_ext_ang*i)>\n")
file.write(" }\n")
file.write(" object{\n")
file.write(" Shape_Slice_Plane_2P_1V(<polyg_inner_r,0,0>,<cycle_r,0,h>,x)\n")
file.write(" rotate <0, 0, -90 + degrees(polyg_ext_ang*i)>\n")
file.write(" }\n")
file.write(" #end\n")
file.write("}\n\n")
file.write("object{\n")
file.write("mockup1\n")
file.write("rotate <0, 0, degrees(face_ang)>\n")
file.write("}\n")
file.write("#end\n")
#Use the macro
ngon = ob.pov.polytocircle_ngon
ngonR = ob.pov.polytocircle_ngonR
circleR = ob.pov.polytocircle_circleR
tabWrite("#declare %s = object { Shape_Polygon_To_Circle_Blending(%s, z, %.4f, %.4f, 2) rotate x*180 translate z*1\n"%(povdataname,ngon,ngonR,circleR))
tabWrite("}\n")
continue #Don't render proxy mesh, skip to next object
############################################else try to export mesh
else:
try:
me = ob.to_mesh(scene, True, 'RENDER')
except:
# happens when curves cant be made into meshes because of no-data
continue
importance = ob.pov.importance_value
me_materials = me.materials
me_faces = me.tessfaces[:]
if not me or not me_faces:
continue
uv_textures = me.tessface_uv_textures
if len(uv_textures) > 0:
if me.uv_textures.active and uv_textures.active.data:
uv_layer = uv_textures.active.data
uv_layer = None
try:
#vcol_layer = me.vertex_colors.active.data
vcol_layer = me.tessface_vertex_colors.active.data
except AttributeError:
vcol_layer = None
faces_verts = [f.vertices[:] for f in me_faces]
faces_normals = [f.normal[:] for f in me_faces]
verts_normals = [v.normal[:] for v in me.vertices]
# quads incur an extra face
quadCount = sum(1 for f in faces_verts if len(f) == 4)
# Use named declaration to allow reference e.g. for baking. MR
file.write("\n")
tabWrite("#declare %s =\n" % povdataname)
tabWrite("mesh2 {\n")
tabWrite("vertex_vectors {\n")
tabWrite("%d" % len(me.vertices)) # vert count
tabStr = tab * tabLevel
for v in me.vertices:
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%.6f, %.6f, %.6f>" % v.co[:]) # vert count
file.write(", ")
file.write("<%.6f, %.6f, %.6f>" % v.co[:]) # vert count
#tabWrite("<%.6f, %.6f, %.6f>" % v.co[:]) # vert count
file.write("\n")
tabWrite("}\n")
# Build unique Normal list
uniqueNormals = {}
for fi, f in enumerate(me_faces):
fv = faces_verts[fi]
# [-1] is a dummy index, use a list so we can modify in place
if f.use_smooth: # Use vertex normals
for v in fv:
key = verts_normals[v]
uniqueNormals[key] = [-1]
else: # Use face normal
key = faces_normals[fi]
uniqueNormals[key] = [-1]
tabWrite("normal_vectors {\n")
tabWrite("%d" % len(uniqueNormals)) # vert count
idx = 0
tabStr = tab * tabLevel
for no, index in uniqueNormals.items():
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%.6f, %.6f, %.6f>" % no) # vert count
file.write("<%.6f, %.6f, %.6f>" % no) # vert count
index[0] = idx
idx += 1
file.write("\n")
tabWrite("}\n")
# Vertex colors
vertCols = {} # Use for material colors also.
if uv_layer:
# Generate unique UV's
uniqueUVs = {}
#n = 0
for fi, uv in enumerate(uv_layer):
if len(faces_verts[fi]) == 4:
uvs = uv_layer[fi].uv[0], uv_layer[fi].uv[1], uv_layer[fi].uv[2], uv_layer[fi].uv[3]
uvs = uv_layer[fi].uv[0], uv_layer[fi].uv[1], uv_layer[fi].uv[2]
for uv in uvs:
uniqueUVs[uv[:]] = [-1]
tabWrite("uv_vectors {\n")
#print unique_uvs
tabWrite("%d" % len(uniqueUVs)) # vert count
idx = 0
tabStr = tab * tabLevel
for uv, index in uniqueUVs.items():
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%.6f, %.6f>" % uv)
file.write(", ")
file.write("<%.6f, %.6f>" % uv)
index[0] = idx
idx += 1
'''
# Just add 1 dummy vector, no real UV's
tabWrite('1') # vert count
file.write(',\n\t\t<0.0, 0.0>')
'''
file.write("\n")
tabWrite("}\n")
if me.vertex_colors:
#Write down vertex colors as a texture for each vertex
tabWrite("texture_list {\n")
tabWrite("%d\n" % (((len(me_faces)-quadCount) * 3 )+ quadCount * 4)) # works only with tris and quad mesh for now
VcolIdx=0
if comments:
file.write("\n //Vertex colors: one simple pigment texture per vertex\n")
for fi, f in enumerate(me_faces):
# annoying, index may be invalid
material_index = f.material_index
try:
material = me_materials[material_index]
except:
material = None
if material: #and material.use_vertex_color_paint: #Always use vertex color when there is some for now
col = vcol_layer[fi]
if len(faces_verts[fi]) == 4:
cols = col.color1, col.color2, col.color3, col.color4
cols = col.color1, col.color2, col.color3
for col in cols:
key = col[0], col[1], col[2], material_index # Material index!
VcolIdx+=1
vertCols[key] = [VcolIdx]
if linebreaksinlists:
tabWrite("texture {pigment{ color rgb <%6f,%6f,%6f> }}\n" % (col[0], col[1], col[2]))
else:
tabWrite("texture {pigment{ color rgb <%6f,%6f,%6f> }}" % (col[0], col[1], col[2]))
tabStr = tab * tabLevel
else:
if material:
# Multiply diffuse with SSS Color
if material.subsurface_scattering.use:
diffuse_color = [i * j for i, j in zip(material.subsurface_scattering.color[:], material.diffuse_color[:])]
key = diffuse_color[0], diffuse_color[1], diffuse_color[2], \
material_index
vertCols[key] = [-1]
else:
diffuse_color = material.diffuse_color[:]
key = diffuse_color[0], diffuse_color[1], diffuse_color[2], \
material_index
vertCols[key] = [-1]
tabWrite("\n}\n")
# Face indices
tabWrite("\nface_indices {\n")
tabWrite("%d" % (len(me_faces) + quadCount)) # faces count
tabStr = tab * tabLevel
for fi, f in enumerate(me_faces):
fv = faces_verts[fi]
material_index = f.material_index
if len(fv) == 4:
indices = (0, 1, 2), (0, 2, 3)
else:
indices = ((0, 1, 2),)
if vcol_layer:
col = vcol_layer[fi]
if len(fv) == 4:
cols = col.color1, col.color2, col.color3, col.color4
cols = col.color1, col.color2, col.color3
if not me_materials or me_materials[material_index] is None: # No materials
for i1, i2, i3 in indices:
if linebreaksinlists:
file.write(",\n")
# vert count
file.write(tabStr + "<%d,%d,%d>" % (fv[i1], fv[i2], fv[i3]))
else:
file.write(", ")
file.write("<%d,%d,%d>" % (fv[i1], fv[i2], fv[i3])) # vert count
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material = me_materials[material_index]
for i1, i2, i3 in indices:
if me.vertex_colors: #and material.use_vertex_color_paint:
# Color per vertex - vertex color
col1 = cols[i1]
col2 = cols[i2]
col3 = cols[i3]
ci1 = vertCols[col1[0], col1[1], col1[2], material_index][0]
ci2 = vertCols[col2[0], col2[1], col2[2], material_index][0]
ci3 = vertCols[col3[0], col3[1], col3[2], material_index][0]
else:
# Color per material - flat material color
if material.subsurface_scattering.use:
diffuse_color = [i * j for i, j in zip(material.subsurface_scattering.color[:], material.diffuse_color[:])]
else:
diffuse_color = material.diffuse_color[:]
ci1 = ci2 = ci3 = vertCols[diffuse_color[0], diffuse_color[1], \
diffuse_color[2], f.material_index][0]
# ci are zero based index so we'll subtract 1 from them
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%d,%d,%d>, %d,%d,%d" % \
(fv[i1], fv[i2], fv[i3], ci1-1, ci2-1, ci3-1)) # vert count
else:
file.write(", ")
file.write("<%d,%d,%d>, %d,%d,%d" % \
(fv[i1], fv[i2], fv[i3], ci1-1, ci2-1, ci3-1)) # vert count
file.write("\n")
tabWrite("}\n")
# normal_indices indices
tabWrite("normal_indices {\n")
tabWrite("%d" % (len(me_faces) + quadCount)) # faces count
tabStr = tab * tabLevel
for fi, fv in enumerate(faces_verts):
if len(fv) == 4:
indices = (0, 1, 2), (0, 2, 3)
else:
indices = ((0, 1, 2),)
if me_faces[fi].use_smooth:
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%d,%d,%d>" %\
(uniqueNormals[verts_normals[fv[i1]]][0],\
uniqueNormals[verts_normals[fv[i2]]][0],\
uniqueNormals[verts_normals[fv[i3]]][0])) # vert count
else:
file.write(", ")
file.write("<%d,%d,%d>" %\
(uniqueNormals[verts_normals[fv[i1]]][0],\
uniqueNormals[verts_normals[fv[i2]]][0],\
uniqueNormals[verts_normals[fv[i3]]][0])) # vert count
Maurice Raybaud
committed
else:
idx = uniqueNormals[faces_normals[fi]][0]
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%d,%d,%d>" % (idx, idx, idx)) # vert count
else:
file.write(", ")
file.write("<%d,%d,%d>" % (idx, idx, idx)) # vert count
file.write("\n")
tabWrite("}\n")
if uv_layer:
tabWrite("uv_indices {\n")
tabWrite("%d" % (len(me_faces) + quadCount)) # faces count
tabStr = tab * tabLevel
for fi, fv in enumerate(faces_verts):
if len(fv) == 4:
indices = (0, 1, 2), (0, 2, 3)
else:
indices = ((0, 1, 2),)
Maurice Raybaud
committed
uv = uv_layer[fi]
if len(faces_verts[fi]) == 4:
uvs = uv.uv[0][:], uv.uv[1][:], uv.uv[2][:], uv.uv[3][:]
Maurice Raybaud
committed
else:
uvs = uv.uv[0][:], uv.uv[1][:], uv.uv[2][:]
for i1, i2, i3 in indices:
if linebreaksinlists:
file.write(",\n")
file.write(tabStr + "<%d,%d,%d>" % (
uniqueUVs[uvs[i1]][0],\
uniqueUVs[uvs[i2]][0],\
uniqueUVs[uvs[i3]][0]))
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file.write(", ")
file.write("<%d,%d,%d>" % (
uniqueUVs[uvs[i1]][0],\
uniqueUVs[uvs[i2]][0],\
uniqueUVs[uvs[i3]][0]))
file.write("\n")
tabWrite("}\n")
if me.materials:
try:
material = me.materials[0] # dodgy
writeObjectMaterial(material, ob)
except IndexError:
print(me)
#Importance for radiosity sampling added here:
tabWrite("radiosity { \n")
tabWrite("importance %3g \n" % importance)
tabWrite("}\n")
tabWrite("}\n") # End of mesh block
else:
# No vertex colors, so write material colors as vertex colors
for i, material in enumerate(me_materials):
if material:
# Multiply diffuse with SSS Color
if material.subsurface_scattering.use:
diffuse_color = [i * j for i, j in zip(material.subsurface_scattering.color[:], material.diffuse_color[:])]
key = diffuse_color[0], diffuse_color[1], diffuse_color[2], i # i == f.mat
vertCols[key] = [-1]
else:
diffuse_color = material.diffuse_color[:]
key = diffuse_color[0], diffuse_color[1], diffuse_color[2], i # i == f.mat
vertCols[key] = [-1]
idx = 0
LocalMaterialNames = []
for col, index in vertCols.items():
#if me_materials:
mater = me_materials[col[3]]
if me_materials is None: #XXX working?
material_finish = DEF_MAT_NAME # not working properly,
trans = 0.0
Maurice Raybaud
committed
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material_finish = materialNames[mater.name]
if mater.use_transparency:
trans = 1.0 - mater.alpha
else:
trans = 0.0
if (mater.specular_color.s == 0.0):
colored_specular_found = False
else:
colored_specular_found = True
if mater.use_transparency and mater.transparency_method == 'RAYTRACE':
povFilter = mater.raytrace_transparency.filter * (1.0 - mater.alpha)
trans = (1.0 - mater.alpha) - povFilter
else:
povFilter = 0.0
##############SF
texturesDif = ""
texturesSpec = ""
texturesNorm = ""
texturesAlpha = ""
#proceduralFlag=False
for t in mater.texture_slots:
if t and t.use and t.texture.type != 'IMAGE' and t.texture.type != 'NONE':
proceduralFlag=True
image_filename = "PAT_%s"%string_strip_hyphen(bpy.path.clean_name(t.texture.name))
if image_filename:
if t.use_map_color_diffuse:
texturesDif = image_filename
# colvalue = t.default_value # UNUSED
t_dif = t
if t_dif.texture.pov.tex_gamma_enable:
imgGamma = (" gamma %.3g " % t_dif.texture.pov.tex_gamma_value)
if t.use_map_specular or t.use_map_raymir:
texturesSpec = image_filename
# colvalue = t.default_value # UNUSED
t_spec = t
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 t.use_map_alpha:
texturesAlpha = image_filename
# colvalue = t.alpha_factor * 10.0 # UNUSED
#textDispName=t.texture.image.name + ".displ"
#was the above used? --MR
t_alpha = t
if t and t.texture.type == 'IMAGE' and t.use and t.texture.image and t.texture.pov.tex_pattern_type == 'emulator':
proceduralFlag=False
if t.texture.image.packed_file:
orig_image_filename=t.texture.image.filepath_raw
unpackedfilename= os.path.join(preview_dir,("unpacked_img_"+(string_strip_hyphen(bpy.path.clean_name(t.texture.name)))))
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if not os.path.exists(unpackedfilename):
# record which images that were newly copied and can be safely
# cleaned up
unpacked_images.append(unpackedfilename)
t.texture.image.filepath_raw=unpackedfilename
t.texture.image.save()
image_filename = unpackedfilename
t.texture.image.filepath_raw=orig_image_filename
else:
image_filename = path_image(t.texture.image)
# IMAGE SEQUENCE BEGINS
if image_filename:
if bpy.data.images[t.texture.image.name].source == 'SEQUENCE':
korvaa = "." + str(bpy.data.textures[t.texture.name].image_user.frame_offset + 1).zfill(3) + "."
image_filename = image_filename.replace(".001.", korvaa)
print(" seq debug ")
print(image_filename)
# IMAGE SEQUENCE ENDS
imgGamma = ""
if image_filename:
if t.use_map_color_diffuse:
texturesDif = image_filename
# colvalue = t.default_value # UNUSED
t_dif = t
if t_dif.texture.pov.tex_gamma_enable:
imgGamma = (" gamma %.3g " % t_dif.texture.pov.tex_gamma_value)
if t.use_map_specular or t.use_map_raymir:
texturesSpec = image_filename
# colvalue = t.default_value # UNUSED
t_spec = t
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 t.use_map_alpha:
texturesAlpha = image_filename
# colvalue = t.alpha_factor * 10.0 # UNUSED
#textDispName=t.texture.image.name + ".displ"
#was the above used? --MR
t_alpha = t
####################################################################################
file.write("\n")
# THIS AREA NEEDS TO LEAVE THE TEXTURE OPEN UNTIL ALL MAPS ARE WRITTEN DOWN.
# --MR
currentMatName = string_strip_hyphen(materialNames[mater.name])
LocalMaterialNames.append(currentMatName)
file.write("\n #declare MAT_%s = \ntexture{\n" % currentMatName)
################################################################################
if mater.pov.replacement_text != "":
file.write("%s\n" % mater.pov.replacement_text)
#################################################################################
if mater.diffuse_shader == 'MINNAERT':
tabWrite("\n")
tabWrite("aoi\n")
tabWrite("texture_map {\n")
tabWrite("[%.3g finish {diffuse %.3g}]\n" % \
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(mater.darkness / 2.0, 2.0 - mater.darkness))
tabWrite("[%.3g\n" % (1.0 - (mater.darkness / 2.0)))
if mater.diffuse_shader == 'FRESNEL':
# For FRESNEL diffuse in POV, we'll layer slope patterned textures
# with lamp vector as the slope vector and nest one slope per lamp
# into each texture map's entry.
c = 1
while (c <= lampCount):
tabWrite("slope { lampTarget%s }\n" % (c))
tabWrite("texture_map {\n")
# Diffuse Fresnel value and factor go up to five,
# other kind of values needed: used the number 5 below to remap
tabWrite("[%.3g finish {diffuse %.3g}]\n" % \
((5.0 - mater.diffuse_fresnel) / 5,
(mater.diffuse_intensity *
((5.0 - mater.diffuse_fresnel_factor) / 5))))
tabWrite("[%.3g\n" % ((mater.diffuse_fresnel_factor / 5) *
(mater.diffuse_fresnel / 5.0)))
c += 1
# if shader is a 'FRESNEL' or 'MINNAERT': slope pigment pattern or aoi
# and texture map above, the rest below as one of its entry
if texturesSpec != "" or texturesAlpha != "":
if texturesSpec != "":
# tabWrite("\n")
tabWrite("pigment_pattern {\n")
if texturesSpec and texturesSpec.startswith("PAT_"):
tabWrite("function{f%s(x,y,z).grey}" %texturesSpec)
else:
# 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
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mappingSpec =imgMapTransforms(t_spec)
# mappingSpec = "translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>\n" % \
# (-t_spec.offset.x, t_spec.offset.y, t_spec.offset.z,
# 1.0 / t_spec.scale.x, 1.0 / t_spec.scale.y,
# 1.0 / t_spec.scale.z)
tabWrite("uv_mapping image_map{%s \"%s\" %s}\n" % \
(imageFormat(texturesSpec), texturesSpec, imgMap(t_spec)))
tabWrite("%s\n" % mappingSpec)
tabWrite("}\n")
tabWrite("texture_map {\n")
tabWrite("[0 \n")
if texturesDif == "":
if texturesAlpha != "":
tabWrite("\n")
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("function{f%s(x,y,z).transmit}\n" %texturesAlpha)
else:
# 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
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)
tabWrite("pigment {pigment_pattern {uv_mapping image_map" \
"{%s \"%s\" %s}%s" % \
(imageFormat(texturesAlpha), texturesAlpha,
imgMap(t_alpha), mappingAlpha))
tabWrite("}\n")
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 1 is no specular
tabWrite("finish {%s}\n" % (safety(material_finish, Level=1)))
else:
# Level 2 is translated spec
tabWrite("finish {%s}\n" % (safety(material_finish, Level=2)))
else:
mappingDif = imgMapTransforms(t_dif)
if texturesAlpha != "":
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)
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tabWrite("pigment {\n")
tabWrite("pigment_pattern {\n")
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("function{f%s(x,y,z).transmit}\n" %texturesAlpha)
else:
tabWrite("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 pigment{%s}]\n" %texturesDif)
if texturesDif and not texturesDif.startswith("PAT_"):
tabWrite("[1 uv_mapping image_map {%s \"%s\" %s} %s]\n" % \
(imageFormat(texturesDif), texturesDif,
(imgGamma + imgMap(t_dif)), mappingDif))
elif texturesDif and texturesDif.startswith("PAT_"):
tabWrite("[1 %s]\n" %texturesDif)
tabWrite("}\n")
tabWrite("}\n")
if texturesAlpha and texturesAlpha.startswith("PAT_"):
tabWrite("}\n")
else:
if texturesDif and texturesDif.startswith("PAT_"):
tabWrite("pigment{%s}\n" %texturesDif)
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
# 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, mappingNor))
if texturesSpec != "":
tabWrite("]\n")
##################Second index for mapping specular max value###############
tabWrite("[1 \n")
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))
# 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))
# 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)
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")
# 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)))
#file.write("\n\t\t\tuv_mapping pigment %s} %s finish {%s}" % \
# (imageMap, mapping, safety(material_finish)))
#file.write("\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 == "":
# 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 == "":
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tabWrite("}\n")
#End of slope/ior texture_map
if mater.diffuse_shader == 'MINNAERT' and mater.pov.replacement_text == "":
tabWrite("]\n")
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tabWrite("}\n")
if mater.diffuse_shader == 'FRESNEL' and mater.pov.replacement_text == "":
c = 1
while (c <= lampCount):
tabWrite("]\n")
# Close first layer of POV "texture" (Blender material)
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tabWrite("}\n")
if (mater.specular_color.s > 0.0):
colored_specular_found = True
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:
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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:
file.write(" // colored highlights with a stransparent metallic layer\n")
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
###################################################################
index[0] = idx
idx += 1
# Vert Colors
tabWrite("texture_list {\n")
# In case there's is no material slot, give at least one texture
#(an empty one so it uses pov default)
if len(vertCols)==0:
file.write(tabStr + "1")
file.write(tabStr + "%s" % (len(vertCols))) # vert count
# below "material" alias, changed to ob.active_material
# because variable referenced before assignment
if ob.active_material is not None:
if material.pov.replacement_text != "":
file.write("\n")
file.write(" texture{%s}\n" % material.pov.replacement_text)
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else:
# Loop through declared materials list
for cMN in LocalMaterialNames:
if material != "Default":
file.write("\n texture{MAT_%s}\n" % cMN)
#use string_strip_hyphen(materialNames[material]))
#or Something like that to clean up the above?
file.write(" texture{}\n")
tabWrite("}\n")
# Face indices
tabWrite("face_indices {\n")
tabWrite("%d" % (len(me_faces) + quadCount)) # faces count
tabStr = tab * tabLevel
for fi, f in enumerate(me_faces):
fv = faces_verts[fi]
material_index = f.material_index
indices = (0, 1, 2), (0, 2, 3)
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else:
indices = ((0, 1, 2),)
if vcol_layer:
col = vcol_layer[fi]
if len(fv) == 4:
cols = col.color1, col.color2, col.color3, col.color4
cols = col.color1, col.color2, col.color3
if not me_materials or me_materials[material_index] is None: # No materials
for i1, i2, i3 in indices:
if linebreaksinlists:
file.write(",\n")
# vert count
file.write(tabStr + "<%d,%d,%d>" % (fv[i1], fv[i2], fv[i3]))
file.write(", ")
file.write("<%d,%d,%d>" % (fv[i1], fv[i2], fv[i3])) # vert count
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else:
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material = me_materials[material_index]
for i1, i2, i3 in indices:
if me.vertex_colors: #and material.use_vertex_color_paint:
# Color per vertex - vertex color
col1 = cols[i1]
col2 = cols[i2]
col3 = cols[i3]
ci1 = vertCols[col1[0], col1[1], col1[2], material_index][0]
ci2 = vertCols[col2[0], col2[1], col2[2], material_index][0]
ci3 = vertCols[col3[0], col3[1], col3[2], material_index][0]
else:
# Color per material - flat material color
if material.subsurface_scattering.use:
diffuse_color = [i * j for i, j in
zip(material.subsurface_scattering.color[:],
material.diffuse_color[:])]
else:
diffuse_color = material.diffuse_color[:]
ci1 = ci2 = ci3 = vertCols[diffuse_color[0], diffuse_color[1], \
diffuse_color[2], f.material_index][0]
if linebreaksinlists:
file.write(",\n")