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povray integration

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- declare materials and reference them later
- support ray-transp filter setting
- blobs pigment wasn't working right
This commit is contained in:
Campbell Barton
2009-08-09 07:09:32 +00:00
parent d48ca69985
commit d53e82cbca
1 changed files with 116 additions and 44 deletions
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160
release/io/engine_render_pov.py
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@@ -22,50 +22,109 @@ def write_pov(filename, scene=None, info_callback = None):
render = scene.render_data
world = scene.world
materialTable = {}
def saneName(name):
name = name.lower()
for ch in ' /\\+=-[]{}().,<>\'":;~!@#$%^&*|?':
name = name.replace(ch, '_')
# --- taken from fbx exporter
## This was used to make V, but faster not to do all that
##valid = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_,.()[]{}'
##v = range(255)
##for c in valid: v.remove(ord(c))
v = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,42,43,46,47,58,59,60,61,62,63,64,92,94,96,124,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254]
invalid = ''.join([chr(i) for i in v])
def cleanName(name):
for ch in invalid: name = name.replace(ch, '_')
return name
del v
# --- done with clean name.
def uniqueName(name, nameSeq):
if name not in nameSeq:
return name
name_orig = name
i = 1
while name in nameSeq:
name = '%s_%.3d' % (name_orig, i)
i+=1
return name
def writeMatrix(matrix):
file.write('\tmatrix <%.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f>\n' %\
(matrix[0][0], matrix[0][1], matrix[0][2], matrix[1][0], matrix[1][1], matrix[1][2], matrix[2][0], matrix[2][1], matrix[2][2], matrix[3][0], matrix[3][1], matrix[3][2]) )
def blenderMaterialToPovString(material):
povstring = 'finish {'
if world != None:
povstring += 'ambient <%.6f, %.6f, %.6f> ' % tuple([c*material.ambient for c in world.ambient_color])
def writeObjectMaterial(material):
if material and material.raytrace_transparency.enabled:
file.write('\tinterior { ior %.6f }\n' % material.raytrace_transparency.ior)
# Other interior args
# fade_distance 2
# fade_power [Value]
# fade_color
# dispersion
# dispersion_samples
materialNames = {}
DEF_MAT_NAME = 'Default'
def writeMaterial(material):
# Assumes only called once on each material
povstring += 'diffuse %.6f ' % material.diffuse_reflection
povstring += 'specular %.6f ' % material.specular_reflection
if material:
name_orig = material.name
else:
name_orig = DEF_MAT_NAME
name = materialNames[name_orig] = uniqueName(cleanName(name_orig), materialNames)
if material.raytrace_mirror.enabled:
#povstring += 'interior { ior %.6f } ' % material.IOR
raytrace_mirror= material.raytrace_mirror
if raytrace_mirror.reflect:
povstring += 'reflection {'
povstring += '<%.6f, %.6f, %.6f>' % tuple(material.mirror_color) # Should ask for ray mirror flag
povstring += 'fresnel 1 falloff %.6f exponent %.6f metallic %.6f} ' % (raytrace_mirror.fresnel, raytrace_mirror.fresnel_fac, raytrace_mirror.reflect)
file.write('#declare %s = finish {\n' % name)
if material:
file.write('\tdiffuse %.3g\n' % material.diffuse_reflection)
file.write('\tspecular %.3g\n' % material.specular_reflection)
file.write('\tambient %.3g\n' % material.ambient)
#file.write('\tambient rgb <%.3g, %.3g, %.3g>\n' % tuple([c*material.ambient for c in world.ambient_color])) # povray blends the global value
# map hardness between 0.0 and 1.0
roughness = ((1.0 - ((material.specular_hardness-1.0)/510.0)))
# scale from 0.0 to 0.1
roughness *= 0.1
# add a small value because 0.0 is invalid
roughness += (1/511.0)
file.write('\troughness %.3g\n' % roughness)
# 'phong 70.0 '
if material.raytrace_mirror.enabled:
raytrace_mirror= material.raytrace_mirror
if raytrace_mirror.reflect:
file.write('\treflection {\n')
file.write('\t\trgb <%.3g, %.3g, %.3g>' % tuple(material.mirror_color))
file.write('\t\tfresnel 1 falloff %.3g exponent %.3g metallic %.3g} ' % (raytrace_mirror.fresnel, raytrace_mirror.fresnel_fac, raytrace_mirror.reflect))
else:
file.write('\tdiffuse 0.8\n')
file.write('\tspecular 0.2\n')
# This is written into the object
'''
if material.raytrace_transparency.enabled:
#povstring += 'interior { ior %.6f } ' % material.IOR
pass
'interior { ior %.3g} ' % material.raytrace_transparency.ior
'''
#file.write('\t\troughness %.6f\n' % (material.hard*0.5))
#file.write('\t\t\tcrand 0.0\n') # Sand granyness
#file.write('\t\t\tcrand 1.0\n') # Sand granyness
#file.write('\t\t\tmetallic %.6f\n' % material.spec)
#file.write('\t\t\tphong %.6f\n' % material.spec)
#file.write('\t\t\tphong_size %.6f\n' % material.spec)
povstring += 'brilliance %.6f ' % (material.specular_hardness/256.0) # Like hardness
povstring += '}'
#file.write('\t}\n')
return povstring
#file.write('\t\t\tbrilliance %.6f ' % (material.specular_hardness/256.0) # Like hardness
file.write('}\n')
def exportCamera():
camera = scene.camera
@@ -187,19 +246,20 @@ def write_pov(filename, scene=None, info_callback = None):
file.write( 'scale <%.6g, %.6g, %.6g> ' % (elem.size_x, elem.size_y, elem.size_z))
if material:
# materialString = materialTable[material.name]
diffuse_color = material.diffuse_color
if material.raytrace_transparency.enabled: trans = 1-material.raytrace_transparency.filter
else: trans = 0.0
file.write(
'pigment {rgbf<%.3g, %.3g, %.3g, %.3g>} }\n' % \
(diffuse_color[0], diffuse_color[1], diffuse_color[2], 1-material.alpha)
'pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>} finish {%s} }\n' % \
(diffuse_color[0], diffuse_color[1], diffuse_color[2], 1-material.alpha, trans, materialNames[material.name])
)
else:
file.write('}\n')
file.write('pigment {rgb<1 1 1>} finish {%s} }\n' % DEF_MAT_NAME) # Write the finish last.
# Write the finish last.
if material:
file.write('\t%s\n' % materialTable[material.name])
writeObjectMaterial(material)
writeMatrix(ob.matrix)
@@ -363,13 +423,19 @@ def write_pov(filename, scene=None, info_callback = None):
if me_materials:
material = me_materials[col[3]]
materialString = materialTable[material.name]
material_finish = materialNames[material.name]
if material.raytrace_transparency.enabled: trans = 1-material.raytrace_transparency.filter
else: trans = 0.0
else:
materialString = '' # Dont write anything
material_finish = DEF_MAT_NAME # not working properly,
trans = 0.0
float_col = col[0], col[1], col[2], 1-material.alpha, materialString
#print material.apl
file.write(',\n\t\ttexture { pigment {rgbf<%.3g, %.3g, %.3g, %.3g>}%s}' % float_col)
file.write( ',\n\t\ttexture { pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>} finish {%s}}' %
(col[0], col[1], col[2], 1-material.alpha, trans, material_finish) )
index[0] = idx
idx+=1
@@ -463,8 +529,7 @@ def write_pov(filename, scene=None, info_callback = None):
if me.materials:
material = me.materials[0] # dodgy
if material and material.raytrace_transparency.enabled:
file.write('\tinterior { ior %.6f }\n' % material.raytrace_transparency.ior)
writeObjectMaterial(material)
writeMatrix(matrix)
file.write('}\n')
@@ -508,12 +573,17 @@ def write_pov(filename, scene=None, info_callback = None):
file.write("\t\trecursion_limit %d\n" % scene.pov_radio_recursion_limit)
file.write('\t}\n')
if world:
file.write("\tambient_light rgb<%.3g, %.3g, %.3g>\n" % tuple(world.ambient_color))
file.write('}\n')
# Convert all materials to strings we can access directly per vertex.
writeMaterial(None) # default material
for material in bpy.data.materials:
materialTable[material.name] = blenderMaterialToPovString(material)
writeMaterial(material)
exportCamera()
#exportMaterials()
@@ -595,8 +665,6 @@ class PovrayRender(bpy.types.RenderEngine):
write_pov_ini(self.temp_file_ini, self.temp_file_in, self.temp_file_out)
print ("***-STARTING-***")
# This works too but means we have to wait until its done
# os.system('povray %s' % self.temp_file_ini)
pov_binary = "povray"
@@ -606,7 +674,11 @@ class PovrayRender(bpy.types.RenderEngine):
else:
pov_binary = "pvengine"
self.process = subprocess.Popen([pov_binary, self.temp_file_ini]) # stdout=subprocess.PIPE, stderr=subprocess.PIPE
if 1:
self.process = subprocess.Popen([pov_binary, self.temp_file_ini]) # stdout=subprocess.PIPE, stderr=subprocess.PIPE
else:
# This works too but means we have to wait until its done
os.system('%s %s' % (pov_binary, self.temp_file_ini))
print ("***-DONE-***")