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render.py
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render.py
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'''
V-Ray/Blender
http://vray.cgdo.ru
Author: Andrey M. Izrantsev (aka bdancer)
E-Mail: izrantsev@cgdo.ru
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
All Rights Reserved. V-Ray(R) is a registered trademark of Chaos Software.
'''
''' Python modules '''
import math
import os
import string
import subprocess
import sys
import tempfile
import time
import random
import threading
from threading import Timer
''' Blender modules '''
import bpy
import mathutils
''' vb modules '''
import vb25
from vb25.lib import VRayProcess
from vb25.utils import *
from vb25.plugins import *
from vb25.texture import *
from vb25.nodes import *
VERSION = '2.5'
LIGHT_PARAMS= { # TEMP! REMOVE!
'LightOmni': (
'enabled',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
#'units',
'intensity',
#'intensity_tex',
'shadowRadius',
'areaSpeculars',
'shadowSubdivs',
'decay'
),
'LightAmbient': (
'enabled',
#'color',
'shadowBias',
'decay',
'ambientShade',
),
'LightSphere': (
'enabled',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
#'units',
'intensity',
#'intensity_tex',
'subdivs',
'storeWithIrradianceMap',
'invisible',
'affectReflections',
'noDecay',
'radius',
'sphere_segments'
),
'LightRectangle': (
'enabled',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
#'units',
'intensity',
#'intensity_tex',
'subdivs',
'storeWithIrradianceMap',
'invisible',
'affectReflections',
'doubleSided',
'noDecay',
),
'LightDirectMax': (
'enabled',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
'intensity',
#'intensity_tex',
'shadowRadius',
'areaSpeculars',
'shadowSubdivs',
'fallsize',
),
'SunLight': (
'turbidity',
'ozone',
'water_vapour',
'intensity_multiplier',
'size_multiplier',
#'up_vector',
'invisible',
'horiz_illum',
#'sky_model',
'shadows',
#'atmos_shadows',
'shadowBias',
'shadow_subdivs',
'shadow_color',
#'shadow_color_tex',
#'photon_radius',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'enabled'
),
'LightIESMax': (
'enabled',
'intensity',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
'shadowSubdivs',
'ies_file',
#'filter_color',
'soft_shadows',
#'area_speculars'
),
'LightDome': (
'enabled',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
#'channels',
#'channels_raw',
#'channels_diffuse',
#'channels_specular',
#'units',
'intensity',
#'intensity_tex',
'subdivs',
#'storeWithIrradianceMap',
'invisible',
'affectReflections',
#'dome_tex',
#'use_dome_tex',
#'tex_resolution',
#'tex_adaptive',
'dome_targetRadius',
'dome_emitRadius',
'dome_spherical',
'dome_rayDistance',
'dome_rayDistanceMode',
),
'LightSpot': (
'enabled',
#'color_tex',
'shadows',
'shadowColor',
#'shadowColor_tex',
'shadowBias',
#'photonSubdivs',
'causticSubdivs',
#'diffuseMult',
'causticMult',
'cutoffThreshold',
'affectDiffuse',
'affectSpecular',
'bumped_below_surface_check',
'nsamples',
'diffuse_contribution',
'specular_contribution',
#'units',
'intensity',
#'intensity_tex',
'shadowRadius',
'areaSpeculars',
'shadowSubdivs',
#'coneAngle',
#'penumbraAngle',
#'dropOff',
#'falloffType',
'decay',
#'barnDoor',
#'barnDoorLeft',
#'barnDoorRight',
#'barnDoorTop',
#'barnDoorBottom',
#'useDecayRegions',
#'startDistance1',
#'endDistance1',
#'startDistance2',
#'endDistance2',
#'startDistance3',
#'endDistance3'
),
}
'''
MESHES
'''
def write_geometry_python(bus):
scene= bus['scene']
VRayScene= scene.vray
VRayExporter= VRayScene.exporter
def write_frame(bus):
# Filters stores already exported data
bus['filter']= {}
bus['filter']['mesh']= []
for ob in scene.objects:
if ob.type not in GEOM_TYPES:
continue
# Skip proxy meshes
if hasattr(ob.data, 'GeomMeshFile') and ob.data.vray.GeomMeshFile.use:
continue
if VRayExporter.mesh_active_layers or bus['preview']:
if not object_on_visible_layers(scene,ob):
continue
try:
mesh= ob.to_mesh(scene, True, 'RENDER')
except:
mesh= ob.create_mesh(scene, True, 'RENDER')
mesh_name= get_name(ob.data, prefix='ME')
if VRayExporter.use_instances:
if mesh_name in bus['filter']['mesh']:
continue
bus['filter']['mesh'].append(mesh_name)
else:
mesh_name= get_name(ob, prefix='ME')
bus['node']= {}
# Currently processes object
bus['node']['object']= ob
bus['node']['mesh']= mesh
bus['node']['mesh_name']= mesh_name
PLUGINS['GEOMETRY']['GeomStaticMesh'].write(bus)
# Output files
bus['files']['geometry']= []
for thread in range(scene.render.threads):
bus['files']['geometry'].append(open(bus['filenames']['geometry'][:-11]+"_%.2i.vrscene"%(thread), 'w'))
for geometry_file in bus['files']['geometry']:
geometry_file.write("// V-Ray/Blender %s" % VERSION)
geometry_file.write("\n// Geometry file\n")
timer= time.clock()
debug(scene, "Writing meshes...")
if VRayExporter.animation and VRayExporter.animation_type == 'FULL' and not VRayExporter.camera_loop:
cur_frame= scene.frame_current
scene.frame_set(scene.frame_start)
f= scene.frame_start
while(f <= scene.frame_end):
exported_meshes= []
scene.frame_set(f)
write_frame(bus)
f+= scene.frame_step
scene.frame_set(cur_frame)
else:
write_frame(bus)
for geometry_file in bus['files']['geometry']:
geometry_file.write("\n// vim: set syntax=on syntax=c:\n\n")
geometry_file.close()
del bus['files']['geometry']
debug(scene, "Writing meshes... done {0:<64}".format("[%.2f]"%(time.clock() - timer)))
def write_geometry(bus):
scene= bus['scene']
VRayScene= scene.vray
VRayExporter= VRayScene.exporter
# if 'export_nodes' in dir(bpy.ops.vray):
# # Call V-Ray/Blender custom node export operator
# bpy.ops.vray.export_nodes(
# scene = scene.as_pointer(),
# filepath = bus['filenames']['nodes'],
# debug = VRayExporter.mesh_debug
# )
if 'export_meshes' in dir(bpy.ops.vray):
# Call V-Ray/Blender custom mesh export operator
bpy.ops.vray.export_meshes(
filepath = bus['filenames']['geometry'][:-11],
use_active_layers = VRayExporter.mesh_active_layers,
use_animation = VRayExporter.animation and VRayExporter.animation_type == 'FULL',
use_instances = VRayExporter.use_instances,
debug = VRayExporter.mesh_debug,
check_animated = VRayExporter.check_animated,
scene = str(scene.as_pointer())
)
else:
# Use python mesh export
write_geometry_python(bus)
def write_GeomMayaHair(bus, ps, hair_geom_name):
scene= bus['scene']
ofile= bus['files']['nodes']
ob= bus['node']['object']
VRayFur= ps.settings.vray.VRayFur
num_hair_vertices= []
hair_vertices= []
widths= []
for p,particle in enumerate(ps.particles):
sys.stdout.write("%s: Object: %s => Hair: %s\r" % (color("V-Ray/Blender", 'green'), color(ob.name,'yellow'), color(p, 'green')))
sys.stdout.flush()
segments= len(particle.hair_keys)
num_hair_vertices.append( HexFormat(segments) )
width= VRayFur.width / 2.0
thin_start= int(VRayFur.thin_start / 100 * segments)
thin_segments= segments - thin_start
thin_step= width / (thin_segments + 1)
for s,segment in enumerate(particle.hair_keys):
for c in segment.co:
hair_vertices.append( HexFormat(c) )
if bus['preview']:
widths.append( HexFormat(0.01) )
else:
if VRayFur.make_thinner:
if s > thin_start:
width-= thin_step
widths.append( HexFormat(width) )
ofile.write("\nGeomMayaHair %s {" % hair_geom_name)
ofile.write("\n\tnum_hair_vertices= interpolate((%d,ListIntHex(\"%s\")));"%(scene.frame_current, ''.join(num_hair_vertices)))
ofile.write("\n\thair_vertices= interpolate((%d,ListVectorHex(\"%s\")));"%(scene.frame_current, ''.join(hair_vertices)))
ofile.write("\n\twidths= interpolate((%d,ListFloatHex(\"%s\")));"%(scene.frame_current, ''.join(widths)))
ofile.write("\n}\n")
'''
SETTINGS
'''
def write_settings(bus):
ofile = bus['files']['scene']
scene = bus['scene']
VRayScene = scene.vray
VRayExporter = VRayScene.exporter
VRayDR = VRayScene.VRayDR
SettingsOutput = VRayScene.SettingsOutput
SettingsOptions = VRayScene.SettingsOptions
Includer = VRayScene.Includer
threadCount = scene.render.threads
if VRayExporter.meshExportThreads:
threadCount = VRayExporter.meshExportThreads
PLUGINS['CAMERA']['SettingsCamera'].write(bus)
PLUGINS['CAMERA']['SettingsMotionBlur'].write(bus)
for key in PLUGINS['SETTINGS']:
if key in ('BakeView', 'RenderView'):
# Skip some plugins
continue
plugin= PLUGINS['SETTINGS'][key]
if hasattr(plugin, 'write'):
plugin.write(bus)
if VRayScene.render_channels_use:
for render_channel in VRayScene.render_channels:
if render_channel.use:
plugin= PLUGINS['RENDERCHANNEL'].get(render_channel.type)
if plugin:
try:
plugin.write(bus, getattr(render_channel,plugin.PLUG), name=render_channel.name)
except:
plugin.write(ofile, getattr(render_channel,plugin.PLUG), scene, name=render_channel.name)
# Preview settings are in different parts of the file,
# because smth must be set before and smth after.
if bus['preview']:
bus['files']['scene'].write("\n// Preview settings")
bus['files']['scene'].write("\nSettingsDMCSampler {")
bus['files']['scene'].write("\n\tadaptive_amount= 0.99;")
bus['files']['scene'].write("\n\tadaptive_threshold= 0.2;")
bus['files']['scene'].write("\n\tsubdivs_mult= 0.01;")
bus['files']['scene'].write("\n}\n")
bus['files']['scene'].write("\nSettingsOptions {")
bus['files']['scene'].write("\n\tmtl_limitDepth= 1;")
bus['files']['scene'].write("\n\tmtl_maxDepth= 1;")
bus['files']['scene'].write("\n\tmtl_transpMaxLevels= 10;")
bus['files']['scene'].write("\n\tmtl_transpCutoff= 0.1;")
bus['files']['scene'].write("\n\tmtl_glossy= 1;")
bus['files']['scene'].write("\n\tmisc_lowThreadPriority= 1;")
bus['files']['scene'].write("\n}\n")
bus['files']['scene'].write("\nSettingsImageSampler {")
bus['files']['scene'].write("\n\ttype= 0;") # Fastest result, but no AA :(
bus['files']['scene'].write("\n\tfixed_subdivs= 1;")
bus['files']['scene'].write("\n}\n")
bus['files']['scene'].write("\nBRDFDiffuse BRDFVRayMtlMAcheckerdark {")
bus['files']['scene'].write("\n\tcolor=Color(0.1,0.1,0.1);")
bus['files']['scene'].write("\n}\n")
bus['files']['scene'].write("\nBRDFDiffuse BRDFVRayMtlMAcheckerlight {")
bus['files']['scene'].write("\n\tcolor=Color(0.95,0.95,0.95);")
bus['files']['scene'].write("\n}\n")
if VRayExporter.draft:
bus['files']['scene'].write("\n// Draft settings")
bus['files']['scene'].write("\nSettingsDMCSampler {")
bus['files']['scene'].write("\n\tadaptive_amount= 0.85;")
bus['files']['scene'].write("\n\tadaptive_threshold= 0.1;")
bus['files']['scene'].write("\n\tsubdivs_mult= 0.1;")
bus['files']['scene'].write("\n}\n")
for key in bus['filenames']:
if key in ('output', 'output_filename', 'output_loadfile', 'lightmaps', 'scene', 'DR'):
# Skip some files
continue
if VRayDR.on and VRayDR.transferAssets == '0':
if key == 'geometry':
for t in range(threadCount):
if PLATFORM == 'win32':
ofile.write("\n#include \"//%s/%s/%s/%s_%.2i.vrscene\"" % (HOSTNAME, VRayDR.share_name, bus['filenames']['DR']['sub_dir'], os.path.basename(bus['filenames']['geometry'][:-11]), t))
else:
ofile.write("\n#include \"%s_%.2i.vrscene\"" % (bus['filenames']['DR']['prefix'] + os.sep + os.path.basename(bus['filenames']['geometry'][:-11]), t))
else:
if PLATFORM == 'win32':
ofile.write("\n#include \"//%s/%s/%s/%s\"" % (HOSTNAME, VRayDR.share_name, bus['filenames']['DR']['sub_dir'], os.path.basename(bus['filenames'][key])))
else:
ofile.write("\n#include \"%s\"" % (bus['filenames']['DR']['prefix'] + os.sep + os.path.basename(bus['filenames'][key])))
else:
if key == 'geometry':
if bus['preview']:
ofile.write("\n#include \"%s\"" % os.path.join(get_vray_exporter_path(), "preview", "preview_geometry.vrscene"))
else:
for t in range(threadCount):
ofile.write("\n#include \"%s_%.2i.vrscene\"" % (os.path.basename(bus['filenames']['geometry'][:-11]), t))
else:
if bus['preview'] and key == 'colorMapping':
if os.path.exists(bus['filenames'][key]):
ofile.write("\n#include \"%s\"" % bus['filenames'][key])
else:
ofile.write("\n#include \"%s\"" % os.path.basename(bus['filenames'][key]))
ofile.write("\n")
if Includer.use:
ofile.write("\n// Include additional *.vrscene files")
for includeNode in Includer.nodes:
if includeNode.use == True:
ofile.write("\n#include \"" + bpy.path.abspath(includeNode.scene) + "\"\t\t // " + includeNode.name)
'''
MATERIALS & TEXTURES
'''
def write_lamp_textures(bus):
scene= bus['scene']
ofile= bus['files']['lights']
ob= bus['node']['object']
VRayScene= scene.vray
VRayExporter= VRayScene.exporter
la= ob.data
VRayLamp= la.vray
defaults= {
'color': (a(scene,"AColor(%.6f,%.6f,%.6f,1.0)"%tuple(la.color)), 0, 'NONE'),
'intensity': (a(scene,"AColor(%.6f,%.6f,%.6f,1.0)"%tuple([VRayLamp.intensity]*3)), 0, 'NONE'),
'shadowColor': (a(scene,"AColor(%.6f,%.6f,%.6f,1.0)"%tuple(VRayLamp.shadowColor)), 0, 'NONE'),
}
bus['lamp_textures']= {}
for i,slot in enumerate(la.texture_slots):
if slot and slot.texture and slot.texture.type in TEX_TYPES:
VRaySlot= slot.texture.vray_slot
VRayLight= VRaySlot.VRayLight
for key in defaults:
use_slot= False
factor= 1.0
if getattr(VRayLight, 'map_'+key):
use_slot= True
factor= getattr(VRayLight, key+'_mult')
if use_slot:
if key not in bus['lamp_textures']: # First texture
bus['lamp_textures'][key]= []
if factor < 1.0 or VRaySlot.blend_mode != 'NONE' or slot.use_stencil:
bus['lamp_textures'][key].append(defaults[key])
bus['mtex']= {}
bus['mtex']['dome'] = True if la.type == 'HEMI' else False
bus['mtex']['mapto']= key
bus['mtex']['slot']= slot
bus['mtex']['texture']= slot.texture
bus['mtex']['factor']= factor
bus['mtex']['name']= clean_string("LT%.2iSL%sTE%s" % (i,
slot.name,
slot.texture.name))
# Write texture
if write_texture(bus):
bus['lamp_textures'][key].append( [stack_write_texture(bus),
slot.use_stencil,
VRaySlot.blend_mode] )
if VRayExporter.debug:
if len(bus['lamp_textures']):
print_dict(scene, "Lamp \"%s\" texture stack" % la.name, bus['lamp_textures'])
for key in bus['lamp_textures']:
if len(bus['lamp_textures'][key]):
bus['lamp_textures'][key]= write_TexOutput(bus, stack_write_textures(bus, stack_collapse_layers(bus['lamp_textures'][key])), key)
return bus['lamp_textures']
def write_material(bus):
scene= bus['scene']
# Includer = scene.vray.Includer
# if Includer.materials:
# return
ofile= bus['files']['materials']
ob= bus['node']['object']
base= bus['node']['base']
ma= bus['material']['material']
# Linked groups material override feature
if base.dupli_type == 'GROUP':
base_material_names= []
for slot in base.material_slots:
if slot and slot.material:
base_material_names.append(slot.material.name)
for base_ma in base_material_names:
if base_ma.find(ma.name) != -1:
slot= base.material_slots.get(base_ma)
ma= slot.material
bus['material']['material']= ma
VRayMaterial= ma.vray
ma_name= get_name(ma, prefix='MA')
# Check Toon before cache
if VRayMaterial.VolumeVRayToon.use:
bus['effects']['toon']['effects'].append(
PLUGINS['SETTINGS']['SettingsEnvironment'].write_VolumeVRayToon_from_material(bus)
)
append_unique(bus['effects']['toon']['objects'], bus['node']['object'])
# Write material textures
write_material_textures(bus)
# Check if material uses object mapping
# In this case material is object dependend
# because mapping is object dependent
if bus['material']['orco_suffix']:
ma_name+= bus['material']['orco_suffix']
if not append_unique(bus['cache']['materials'], ma_name):
return ma_name
# Init wrapper / override / etc
complex_material= []
for component in (VRayMaterial.Mtl2Sided.use,
VRayMaterial.MtlWrapper.use,
VRayMaterial.MtlOverride.use,
VRayMaterial.MtlRenderStats.use,
VRayMaterial.round_edges,
VRayMaterial.material_id_number):
if component:
complex_material.append("MC%.2d_%s" % (len(complex_material), ma_name))
complex_material.append(ma_name)
complex_material.reverse()
if VRayMaterial.type == 'MtlVRmat':
PLUGINS['BRDF']['MtlVRmat'].write(bus, name=complex_material[-1])
else:
# Write material BRDF
brdf= PLUGINS['BRDF'][VRayMaterial.type].write(bus)
# print_dict(scene, "Bus", bus)
# Add normal mapping if needed
brdf= PLUGINS['BRDF']['BRDFBump'].write(bus, base_brdf = brdf)
# Add bump mapping if needed
brdf= PLUGINS['BRDF']['BRDFBump'].write(bus, base_brdf = brdf, use_bump = True)
ofile.write("\nMtlSingleBRDF %s {"%(complex_material[-1]))
ofile.write("\n\tbrdf=%s;" % a(scene, brdf))
ofile.write("\n\tallow_negative_colors=1;")
ofile.write("\n}\n")
if VRayMaterial.Mtl2Sided.use:
base_material= complex_material.pop()
ofile.write("\nMtl2Sided %s {"%(complex_material[-1]))
ofile.write("\n\tfront= %s;"%(base_material))
back= base_material
if VRayMaterial.Mtl2Sided.back:
if VRayMaterial.Mtl2Sided.back in bpy.data.materials:
back= get_name(bpy.data.materials[VRayMaterial.Mtl2Sided.back], prefix='MA')
ofile.write("\n\tback= %s;"%(back))
if VRayMaterial.Mtl2Sided.control == 'SLIDER':
ofile.write("\n\ttranslucency= %s;" % a(scene, "Color(1.0,1.0,1.0)*%.3f" % VRayMaterial.Mtl2Sided.translucency_slider))
elif VRayMaterial.Mtl2Sided.control == 'COLOR':
ofile.write("\n\ttranslucency= %s;" % a(scene, VRayMaterial.Mtl2Sided.translucency_color))
else:
if VRayMaterial.Mtl2Sided.translucency_tex:
translucency_tex = write_subtexture(bus, VRayMaterial.Mtl2Sided.translucency_tex)
if translucency_tex:
ofile.write("\n\ttranslucency_tex= %s;" % (translucency_tex))
ofile.write("\n\ttranslucency_tex_mult= %s;" % a(scene,VRayMaterial.Mtl2Sided.translucency_tex_mult))
else:
ofile.write("\n\ttranslucency= %s;" % a(scene, "Color(1.0,1.0,1.0)*%.3f" % VRayMaterial.Mtl2Sided.translucency_slider))
ofile.write("\n\tforce_1sided= %d;" % VRayMaterial.Mtl2Sided.force_1sided)
ofile.write("\n}\n")
if VRayMaterial.MtlWrapper.use:
base_material= complex_material.pop()
ofile.write("\nMtlWrapper %s {"%(complex_material[-1]))
ofile.write("\n\tbase_material= %s;"%(base_material))
for param in PLUGINS['MATERIAL']['MtlWrapper'].PARAMS:
ofile.write("\n\t%s= %s;"%(param, a(scene,getattr(VRayMaterial.MtlWrapper,param))))
ofile.write("\n}\n")
if VRayMaterial.MtlOverride.use:
base_mtl= complex_material.pop()
ofile.write("\nMtlOverride %s {"%(complex_material[-1]))
ofile.write("\n\tbase_mtl= %s;"%(base_mtl))
for param in ('gi_mtl','reflect_mtl','refract_mtl','shadow_mtl'):
override_material= getattr(VRayMaterial.MtlOverride, param)
if override_material:
if override_material in bpy.data.materials:
ofile.write("\n\t%s= %s;"%(param, get_name(bpy.data.materials[override_material], prefix='MA')))
environment_override= VRayMaterial.MtlOverride.environment_override
if environment_override:
if environment_override in bpy.data.textures:
ofile.write("\n\tenvironment_override= %s;" % get_name(bpy.data.textures[environment_override], prefix='TE'))
ofile.write("\n\tenvironment_priority= %i;"%(VRayMaterial.MtlOverride.environment_priority))
ofile.write("\n}\n")
if VRayMaterial.MtlRenderStats.use:
base_mtl= complex_material.pop()
ofile.write("\nMtlRenderStats %s {"%(complex_material[-1]))
ofile.write("\n\tbase_mtl= %s;"%(base_mtl))
for param in PLUGINS['MATERIAL']['MtlRenderStats'].PARAMS:
ofile.write("\n\t%s= %s;"%(param, a(scene,getattr(VRayMaterial.MtlRenderStats,param))))
ofile.write("\n}\n")
if VRayMaterial.round_edges:
base_mtl= complex_material.pop()
ofile.write("\nMtlRoundEdges %s {" % complex_material[-1])
ofile.write("\n\tbase_mtl= %s;" % base_mtl)
ofile.write("\n\tradius= %.3f;" % VRayMaterial.radius)
ofile.write("\n}\n")
if VRayMaterial.material_id_number:
base_mtl= complex_material.pop()
ofile.write("\nMtlMaterialID %s {" % complex_material[-1])
ofile.write("\n\tbase_mtl= %s;" % base_mtl)
ofile.write("\n\tmaterial_id_number= %i;" % VRayMaterial.material_id_number)
ofile.write("\n\tmaterial_id_color= %s;" % p(VRayMaterial.material_id_color))
ofile.write("\n}\n")
return ma_name
def write_materials(bus):
ofile= bus['files']['materials']
scene= bus['scene']
ob= bus['node']['object']
VRayScene= scene.vray
SettingsOptions= VRayScene.SettingsOptions
# Multi-material name
mtl_name = get_name(ob, prefix='OBMA')
# Reset displacement settings pointers
bus['node']['displacement_slot'] = None
bus['node']['displacement_texture'] = None
# Collecting and exporting object materials
mtls_list= []
ids_list= []
ma_id= 0 # For cases with empty slots
if len(ob.material_slots):
for slot in ob.material_slots:
ma = slot.material
if not ma:
continue
bus['material'] = {}
bus['material']['material'] = ma
if SettingsOptions.mtl_override_on and SettingsOptions.mtl_override:
if not ma.vray.dontOverride:
bus['material']['material'] = get_data_by_name(scene, 'materials', SettingsOptions.mtl_override)
# Normal mapping settings pointer
bus['material']['normal_slot'] = None
# Bump mapping settings pointer
bus['material']['bump_slot'] = None
# Set if any texture uses object mapping
bus['material']['orco_suffix'] = ""
mtls_list.append(write_material(bus))
ma_id+= 1
ids_list.append(str(ma_id))
# No materials assigned - use default material
if len(mtls_list) == 0:
bus['node']['material']= bus['defaults']['material']
# Only one material - no need for Multi-material
elif len(mtls_list) == 1:
bus['node']['material']= mtls_list[0]
# Several materials assigned - need Mutli-material
else:
bus['node']['material']= mtl_name
ofile.write("\nMtlMulti %s {" % mtl_name)
ofile.write("\n\tmtls_list= List(%s);" % ','.join(mtls_list))
ofile.write("\n\tids_list= ListInt(%s);" % ','.join(ids_list))
ofile.write("\n}\n")
def write_lamp(bus):
LIGHT_PORTAL= {
'NORMAL': 0,
'PORTAL': 1,
'SPORTAL': 2,
}
SKY_MODEL= {
'CIEOVER' : 2,
'CIECLEAR' : 1,
'PREETH' : 0,
}
UNITS= {
'DEFAULT' : 0,
'LUMENS' : 1,
'LUMM' : 2,
'WATTSM' : 3,
'WATM' : 4,
}
scene= bus['scene']
ofile= bus['files']['lights']
ob= bus['node']['object']
lamp= ob.data
VRayLamp= lamp.vray
lamp_type= None
lamp_name= get_name(ob, prefix='LA')
lamp_matrix= ob.matrix_world
if 'dupli' in bus['node'] and 'name' in bus['node']['dupli']:
lamp_name+= bus['node']['dupli']['name']
lamp_matrix= bus['node']['dupli']['matrix']
if 'particle' in bus['node'] and 'name' in bus['node']['particle']:
lamp_name+= bus['node']['particle']['name']
lamp_matrix= bus['node']['particle']['matrix']
textures= write_lamp_textures(bus)
if lamp.type == 'POINT':
if VRayLamp.omni_type == 'AMBIENT':
lamp_type= 'LightAmbient'
else:
if VRayLamp.radius > 0:
lamp_type= 'LightSphere'
else:
lamp_type= 'LightOmni'
elif lamp.type == 'SPOT':
if VRayLamp.spot_type == 'SPOT':
lamp_type= 'LightSpot'
else:
lamp_type= 'LightIESMax'
elif lamp.type == 'SUN':
if VRayLamp.direct_type == 'DIRECT':
lamp_type= 'LightDirectMax'
else:
lamp_type= 'SunLight'
elif lamp.type == 'AREA':
lamp_type= 'LightRectangle'
elif lamp.type == 'HEMI':
lamp_type= 'LightDome'
else:
return
ofile.write("\n%s %s {"%(lamp_type,lamp_name))
if 'color' in textures:
if lamp.type == 'SUN' and VRayLamp.direct_type == 'DIRECT':
ofile.write("\n\tprojector_map= %s;" % textures['color'])
if lamp.type in {'AREA','HEMI'}:
ofile.write("\n\ttex_adaptive= %.2f;" % (1.0))
ofile.write("\n\ttex_resolution= %i;" % (512))
if lamp.type == 'AREA':
ofile.write("\n\tuse_rect_tex= 1;")
ofile.write("\n\trect_tex= %s;" % textures['color'])
elif lamp.type == 'HEMI':
ofile.write("\n\tuse_dome_tex= 1;")
ofile.write("\n\tdome_tex= %s;" % textures['color'])
if lamp.type not in {'HEMI'}:
ofile.write("\n\tcolor_tex= %s;" % textures['color'])
if 'intensity' in textures:
ofile.write("\n\tintensity_tex= %s;" % a(scene, "%s::out_intensity" % textures['intensity']))
if 'shadowColor' in textures:
if lamp.type == 'SUN' and VRayLamp.direct_type == 'DIRECT':
ofile.write("\n\tshadowColor_tex= %s;" % textures['shadowColor'])
else:
ofile.write("\n\tshadow_color_tex= %s;" % textures['shadowColor'])
if lamp_type == 'SunLight':
ofile.write("\n\tsky_model= %i;"%(SKY_MODEL[VRayLamp.sky_model]))
else:
if VRayLamp.color_type == 'RGB':
color= lamp.color
else:
color= kelvin_to_rgb(VRayLamp.temperature)
ofile.write("\n\tcolor= %s;" % a(scene, "Color(%.6f, %.6f, %.6f)"%(tuple(color))))
if lamp_type not in ('LightIESMax', 'LightAmbient'):
ofile.write("\n\tunits= %i;"%(UNITS[VRayLamp.units]))
if lamp_type == 'LightIESMax':
ofile.write("\n\ties_light_shape= %i;" % (VRayLamp.ies_light_shape if VRayLamp.ies_light_shape else -1))
ofile.write("\n\ties_light_width= %.3f;" % (VRayLamp.ies_light_width))
ofile.write("\n\ties_light_length= %.3f;" % (VRayLamp.ies_light_width if VRayLamp.ies_light_shape_lock else VRayLamp.ies_light_length))
ofile.write("\n\ties_light_height= %.3f;" % (VRayLamp.ies_light_width if VRayLamp.ies_light_shape_lock else VRayLamp.ies_light_height))
ofile.write("\n\ties_light_diameter= %.3f;" % (VRayLamp.ies_light_diameter))
if lamp_type == 'LightSpot':
ofile.write("\n\tconeAngle= %s;" % a(scene,lamp.spot_size))
ofile.write("\n\tpenumbraAngle= %s;" % a(scene, - lamp.spot_size * lamp.spot_blend))
ofile.write("\n\tdecay=%s;" % a(scene, VRayLamp.decay))
ofile.write("\n\tuseDecayRegions=1;")
ofile.write("\n\tstartDistance1=%s;" % a(scene, 0.0))
ofile.write("\n\tendDistance1=%s;" % a(scene, lamp.distance-lamp.spot_blend))
ofile.write("\n\tstartDistance2=%s;" % a(scene, lamp.distance-lamp.spot_blend))
ofile.write("\n\tendDistance2=%s;" % a(scene, lamp.distance-lamp.spot_blend))
ofile.write("\n\tstartDistance3=%s;" % a(scene, lamp.distance-lamp.spot_blend))