[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [22313] branches/blender2.5/blender/ release/io/engine_render_pov.py: povray integration
Campbell Barton
ideasman42 at gmail.com
Sun Aug 9 09:09:32 CEST 2009
Revision: 22313
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=22313
Author: campbellbarton
Date: 2009-08-09 09:09:32 +0200 (Sun, 09 Aug 2009)
Log Message:
-----------
povray integration
- declare materials and reference them later
- support ray-transp filter setting
- blobs pigment wasn't working right
Modified Paths:
--------------
branches/blender2.5/blender/release/io/engine_render_pov.py
Modified: branches/blender2.5/blender/release/io/engine_render_pov.py
===================================================================
--- branches/blender2.5/blender/release/io/engine_render_pov.py 2009-08-09 06:39:01 UTC (rev 22312)
+++ branches/blender2.5/blender/release/io/engine_render_pov.py 2009-08-09 07:09:32 UTC (rev 22313)
@@ -22,50 +22,109 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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-***")
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