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Differential D2210 Diff 7391 render_povray/shading.py

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render_povray/shading.py

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frontDiffuse = min(frontDiffuse, (1.0 - backDiffuse)) frontDiffuse = min(frontDiffuse, (1.0 - backDiffuse))
# map hardness between 0.0 and 1.0 # map hardness between 0.0 and 1.0
roughness = ((1.0 - ((material.specular_hardness - 1.0) / 510.0))) roughness = (1.0 - ((material.specular_hardness - 1.0) / 510.0))
## scale from 0.0 to 0.1 ## scale from 0.0 to 0.1
roughness *= 0.1 roughness *= 0.1
# add a small value because 0.0 is invalid. # add a small value because 0.0 is invalid.
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# No difference between phong and cook torrence in blender HaHa! # No difference between phong and cook torrence in blender HaHa!
if (material.specular_shader == 'COOKTORR' or if (material.specular_shader == 'COOKTORR' or
material.specular_shader == 'PHONG'): material.specular_shader == 'PHONG'):
tabWrite("phong %.3g\n" % (material.specular_intensity)) tabWrite("phong %.3g\n" % material.specular_intensity)
tabWrite("phong_size %.3g\n" % (material.specular_hardness / 2 + 0.25)) tabWrite("phong_size %.3g\n" % (material.specular_hardness / 2 + 0.25))
# POV-Ray 'specular' keyword corresponds to a Blinn model, without the ior. # POV-Ray 'specular' keyword corresponds to a Blinn model, without the ior.
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tabWrite("reflection {\n") tabWrite("reflection {\n")
tabWrite("rgb <%.3g, %.3g, %.3g>\n" % material.mirror_color[:]) tabWrite("rgb <%.3g, %.3g, %.3g>\n" % material.mirror_color[:])
if material.pov.mirror_metallic: if material.pov.mirror_metallic:
tabWrite("metallic %.3g\n" % (raytrace_mirror.reflect_factor)) tabWrite("metallic %.3g\n" % raytrace_mirror.reflect_factor)
# Blurry reflections for UberPOV # Blurry reflections for UberPOV
if using_uberpov and raytrace_mirror.gloss_factor < 1.0: if using_uberpov and raytrace_mirror.gloss_factor < 1.0:
#tabWrite("#ifdef(unofficial) #if(unofficial = \"patch\") #if(patch(\"upov-reflection-roughness\") > 0)\n") #tabWrite("#ifdef(unofficial) #if(unofficial = \"patch\") #if(patch(\"upov-reflection-roughness\") > 0)\n")
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texStrg+="#declare f%s=\n"%PATname texStrg+="#declare f%s=\n"%PATname
texStrg+="function{pigment{%s}}\n"%PATname texStrg+="function{pigment{%s}}\n"%PATname
texStrg+="\n" texStrg+="\n"
return(texStrg) return texStrg
def writeTextureInfluence(mater, materialNames, LocalMaterialNames, path_image, lampCount, def writeTextureInfluence(mater, materialNames, LocalMaterialNames, path_image, lampCount,
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trans = 1.0 - mater.alpha trans = 1.0 - mater.alpha
else: else:
trans = 0.0 trans = 0.0
if ((mater.specular_color.s == 0.0) or (mater.diffuse_shader == 'MINNAERT')): if (mater.specular_color.s == 0.0) or (mater.diffuse_shader == 'MINNAERT'):
# No layered texture because of aoi pattern used for minnaert and pov can't layer patterned # No layered texture because of aoi pattern used for minnaert and pov can't layer patterned
colored_specular_found = False colored_specular_found = False
else: else:
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for t in mater.texture_slots: for t in mater.texture_slots:
if t and (t.use and (t.texture is not None)): if t and (t.use and (t.texture is not None)):
# 'NONE' ('NONE' type texture is different from no texture covered above) # 'NONE' ('NONE' type texture is different from no texture covered above)
if (t.texture.type == 'NONE' and t.texture.pov.tex_pattern_type == 'emulator'): if t.texture.type == 'NONE' and t.texture.pov.tex_pattern_type == 'emulator':
continue # move to next slot continue # move to next slot
# PROCEDURAL # PROCEDURAL
elif (t.texture.type != 'IMAGE' and t.texture.type != 'NONE'): elif t.texture.type != 'IMAGE' and t.texture.type != 'NONE':
proceduralFlag=True proceduralFlag=True
image_filename = "PAT_%s"%string_strip_hyphen(bpy.path.clean_name(t.texture.name)) image_filename = "PAT_%s"%string_strip_hyphen(bpy.path.clean_name(t.texture.name))
if image_filename: if image_filename:
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t_alpha = t t_alpha = t
# RASTER IMAGE # RASTER IMAGE
elif (t.texture.type == 'IMAGE' and t.texture.image and t.texture.pov.tex_pattern_type == 'emulator'): elif t.texture.type == 'IMAGE' and t.texture.image and t.texture.pov.tex_pattern_type == 'emulator':
proceduralFlag=False proceduralFlag=False
#PACKED #PACKED
if t.texture.image.packed_file: if t.texture.image.packed_file:
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# into each texture map's entry. # into each texture map's entry.
c = 1 c = 1
while (c <= lampCount): while c <= lampCount:
tabWrite("slope { lampTarget%s }\n" % (c)) tabWrite("slope { lampTarget%s }\n" % c)
tabWrite("texture_map {\n") tabWrite("texture_map {\n")
# Diffuse Fresnel value and factor go up to five, # Diffuse Fresnel value and factor go up to five,
# other kind of values needed: used the number 5 below to remap # other kind of values needed: used the number 5 below to remap
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tabWrite("}\n") tabWrite("}\n")
if mater.diffuse_shader == 'FRESNEL' and mater.pov.replacement_text == "": if mater.diffuse_shader == 'FRESNEL' and mater.pov.replacement_text == "":
c = 1 c = 1
while (c <= lampCount): while c <= lampCount:
tabWrite("]\n") tabWrite("]\n")
tabWrite("}\n") tabWrite("}\n")
c += 1 c += 1
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# Close first layer of POV "texture" (Blender material) # Close first layer of POV "texture" (Blender material)
tabWrite("}\n") tabWrite("}\n")
if ((mater.specular_color.s > 0.0) and (mater.diffuse_shader != 'MINNAERT')): if (mater.specular_color.s > 0.0) and (mater.diffuse_shader != 'MINNAERT'):
colored_specular_found = True colored_specular_found = True
else: else:
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