def set_export_path(self, scene):
# replace /tmp/ with the real %temp% folder on Windows
# OSX also has a special temp location that we should use
fp = scene.render.filepath
output_path_split = list(os.path.split(fp))
if sys.platform in ('win32',
'darwin') and output_path_split[0] == '/tmp':
output_path_split[0] = efutil.temp_directory()
fp = '/'.join(output_path_split)
scene_path = efutil.filesystem_path(fp)
if os.path.isdir(scene_path):
self.output_dir = scene_path
else:
self.output_dir = os.path.dirname(scene_path)
if self.output_dir[-1] not in ('/', '\\'):
self.output_dir += '/'
if scene.luxrender_engine.export_type == 'INT':
write_files = scene.luxrender_engine.write_files
if write_files:
api_type = 'FILE'
else:
api_type = 'API'
if sys.platform == 'darwin':
self.output_dir = efutil.filesystem_path(bpy.app.tempdir)
else:
self.output_dir = efutil.temp_directory()
else:
api_type = 'FILE'
write_files = True
efutil.export_path = self.output_dir
return api_type, write_files
def set_export_path(self, scene):
# replace /tmp/ with the real %temp% folder on Windows
# OSX also has a special temp location that we should use
fp = scene.render.filepath
output_path_split = list(os.path.split(fp))
if sys.platform in ('win32', 'darwin') and output_path_split[0] == '/tmp':
output_path_split[0] = efutil.temp_directory()
fp = '/'.join(output_path_split)
scene_path = efutil.filesystem_path( fp )
if os.path.isdir(scene_path):
self.output_dir = scene_path
else:
self.output_dir = os.path.dirname( scene_path )
if self.output_dir[-1] not in ('/', '\\'):
self.output_dir += '/'
if scene.luxrender_engine.export_type == 'INT':
write_files = scene.luxrender_engine.write_files
if write_files:
api_type = 'FILE'
else:
api_type = 'API'
if sys.platform == 'darwin':
self.output_dir = efutil.filesystem_path( bpy.app.tempdir )
else:
self.output_dir = efutil.temp_directory()
else:
api_type = 'FILE'
write_files = True
efutil.export_path = self.output_dir
return api_type, write_files
def render_preview(self, scene):
if sys.platform == 'darwin':
self.output_dir = efutil.filesystem_path( bpy.app.tempdir )
else:
self.output_dir = efutil.temp_directory()
if self.output_dir[-1] != '/':
self.output_dir += '/'
efutil.export_path = self.output_dir
from ..outputs.pure_api import PYLUX_AVAILABLE
if not PYLUX_AVAILABLE:
self.bl_use_preview = False
LuxLog('ERROR: Material previews require pylux')
return
from ..export import materials as export_materials
# Iterate through the preview scene, finding objects with materials attached
objects_mats = {}
for obj in [ob for ob in scene.objects if ob.is_visible(scene) and not ob.hide_render]:
for mat in export_materials.get_instance_materials(obj):
if mat is not None:
if not obj.name in objects_mats.keys(): objects_mats[obj] = []
objects_mats[obj].append(mat)
PREVIEW_TYPE = None # 'MATERIAL' or 'TEXTURE'
# find objects that are likely to be the preview objects
preview_objects = [o for o in objects_mats.keys() if o.name.startswith('preview')]
if len(preview_objects) > 0:
PREVIEW_TYPE = 'MATERIAL'
else:
preview_objects = [o for o in objects_mats.keys() if o.name.startswith('texture')]
if len(preview_objects) > 0:
PREVIEW_TYPE = 'TEXTURE'
if PREVIEW_TYPE == None:
return
# TODO: scene setup based on PREVIEW_TYPE
# find the materials attached to the likely preview object
likely_materials = objects_mats[preview_objects[0]]
if len(likely_materials) < 1:
print('no preview materials')
return
pm = likely_materials[0]
pt = None
LuxLog('Rendering material preview: %s' % pm.name)
if PREVIEW_TYPE == 'TEXTURE':
pt = pm.active_texture
LM = LuxManager(
scene.name,
api_type = 'API',
)
LuxManager.SetCurrentScene(scene)
LuxManager.SetActive(LM)
file_based_preview = False
if file_based_preview:
# Dump to file in temp dir for debugging
from ..outputs.file_api import Custom_Context as lxs_writer
preview_context = lxs_writer(scene.name)
preview_context.set_filename(scene, 'luxblend25-preview', LXV=False)
LM.lux_context = preview_context
else:
preview_context = LM.lux_context
preview_context.logVerbosity('quiet')
try:
export_materials.ExportedMaterials.clear()
export_materials.ExportedTextures.clear()
from ..export import preview_scene
xres, yres = scene.camera.data.luxrender_camera.luxrender_film.resolution(scene)
# Don't render the tiny images
if xres <= 96:
raise Exception('Skipping material thumbnail update, image too small (%ix%i)' % (xres,yres))
preview_scene.preview_scene(scene, preview_context, obj=preview_objects[0], mat=pm, tex=pt)
# render !
preview_context.worldEnd()
if file_based_preview:
preview_context = preview_context.parse('luxblend25-preview.lxs', True)
LM.lux_context = preview_context
while not preview_context.statistics('sceneIsReady'):
time.sleep(0.05)
def is_finished(ctx):
return ctx.getAttribute('film', 'enoughSamples')
def interruptible_sleep(sec, increment=0.05):
sec_elapsed = 0.0
while not self.test_break() and sec_elapsed<=sec:
sec_elapsed += increment
time.sleep(increment)
for i in range(multiprocessing.cpu_count()-2):
# -2 since 1 thread already created and leave 1 spare
if is_finished(preview_context):
break
preview_context.addThread()
while not is_finished(preview_context):
if self.test_break() or bpy.context.scene.render.engine != 'LUXRENDER_RENDER':
raise Exception('Render interrupted')
# progressively update the preview
time.sleep(0.2) # safety-sleep
if preview_context.getAttribute('renderer_statistics', 'samplesPerPixel') > 6:
if PREVIEW_TYPE == 'TEXTURE':
interruptible_sleep(0.8) # reduce update to every 1.0 sec until haltthreshold kills the render
else:
interruptible_sleep(1.8) # reduce update to every 2.0 sec until haltthreshold kills the render
preview_context.updateStatisticsWindow()
LuxLog('Updating preview (%ix%i - %s)' % (xres, yres, preview_context.getAttribute('renderer_statistics_formatted_short', '_recommended_string')))
result = self.begin_result(0, 0, xres, yres)
if hasattr(preview_context, 'blenderCombinedDepthBuffers'):
# use fast buffers
pb, zb = preview_context.blenderCombinedDepthBuffers()
result.layers.foreach_set("rect", pb)
else:
lay = result.layers[0]
lay.rect = preview_context.blenderCombinedDepthRects()[0]
self.end_result(result, 0) if bpy.app.version > (2, 63, 17 ) else self.end_result(result) # cycles tiles adaption
except Exception as exc:
LuxLog('Preview aborted: %s' % exc)
preview_context.exit()
preview_context.wait()
# cleanup() destroys the pylux Context
preview_context.cleanup()
LM.reset()
def render(self, scene):
'''
scene: bpy.types.Scene
Export the given scene to LuxRender.
Choose from one of several methods depending on what needs to be rendered.
Returns None
'''
with RENDERENGINE_luxrender.render_lock: # just render one thing at a time
prev_cwd = os.getcwd()
try:
self.LuxManager = None
self.render_update_timer = None
self.output_dir = efutil.temp_directory()
self.output_file = 'default.png'
if scene is None:
LuxLog('ERROR: Scene to render is not valid')
return
if scene.name == 'preview':
self.render_preview(scene)
return
if scene.display_settings.display_device != "sRGB":
LuxLog('WARNING: Colour Management not set to sRGB, render results may look too dark.')
api_type, write_files = self.set_export_path(scene)
os.chdir(efutil.export_path)
is_animation = hasattr(self, 'is_animation') and self.is_animation
make_queue = scene.luxrender_engine.export_type == 'EXT' and scene.luxrender_engine.binary_name == 'luxrender' and write_files
if is_animation and make_queue:
queue_file = efutil.export_path + '%s.%s.lxq' % (efutil.scene_filename(), bpy.path.clean_name(scene.name))
# Open/reset a queue file
if scene.frame_current == scene.frame_start:
open(queue_file, 'w').close()
if hasattr(self, 'update_progress'):
fr = scene.frame_end - scene.frame_start
fo = scene.frame_current - scene.frame_start
self.update_progress(fo/fr)
exported_file = self.export_scene(scene)
if exported_file == False:
return # Export frame failed, abort rendering
if is_animation and make_queue:
self.LuxManager = LuxManager.GetActive()
self.LuxManager.lux_context.worldEnd()
with open(queue_file, 'a') as qf:
qf.write("%s\n" % exported_file)
if scene.frame_current == scene.frame_end:
# run the queue
self.render_queue(scene, queue_file)
else:
self.render_start(scene)
except Exception as err:
LuxLog('%s'%err)
self.report({'ERROR'}, '%s'%err)
os.chdir(prev_cwd)
def render_preview(self, scene):
(width, height) = resolution(scene)
if (width < 96 or height < 96):
return
objects_materials = {}
for object_ in [ob for ob in scene.objects if ob.is_visible(scene) and not ob.hide_render]:
for mat in get_instance_materials(object_):
if mat is not None:
if not object_.name in objects_materials.keys(): objects_materials[object_] = []
objects_materials[object_].append(mat)
# find objects that are likely to be the preview objects
preview_objects = [o for o in objects_materials.keys() if o.name.startswith('preview')]
if len(preview_objects) < 1:
return
# find the materials attached to the likely preview object
likely_materials = objects_materials[preview_objects[0]]
if len(likely_materials) < 1:
return
tempdir = efutil.temp_directory()
scenefile = os.path.abspath(os.path.join(tempdir, "Scene.sc"))
outfile = os.path.abspath(os.path.join(tempdir, "matpreview.png"))
matfile = os.path.abspath(os.path.join(tempdir, "ObjectMaterial.mat.sc"))
pm = likely_materials[0]
mat_dic = create_shader_block(pm)
linenum = 0
found = False
if (('Shader' in mat_dic.keys()) and (len(mat_dic['Shader']) > 0)):
for eachline in mat_dic['Shader']:
if eachline.find(' name "') >= 0 :
found = True
break
linenum += 1
if not found:
return
matgot = mat_dic['Shader'][:]
matgot[1] = ' name "ObjectMaterial"'
out_write = []
out_write.append('image {')
out_write.append('resolution %s %s' % (width, height))
out_write.append('aa 0 1 samples 4 filter mitchell jitter False } ')
out_write.extend(matgot)
fi = open(matfile , 'w')
[ fi.write("\n%s " % line) for line in out_write]
fi.close()
src = os.path.join(plugin_path() , "preview", 'SceneFloorUVgrid.png')
shutil.copy(src, tempdir)
src = os.path.join(plugin_path() , "preview", 'Scene.sc')
shutil.copy(src, tempdir)
jarpath = efutil.find_config_value('sunflow', 'defaults', 'jar_path', '')
javapath = efutil.find_config_value('sunflow', 'defaults', 'java_path', '')
memory = "-Xmx%sm" % efutil.find_config_value('sunflow', 'defaults', 'memoryalloc', '')
cmd_line = [
javapath ,
memory ,
'-server' ,
'-jar' ,
jarpath ,
'-nogui',
'-v',
'0',
'-o',
outfile ,
scenefile
]
sunflow_process = subprocess.Popen(cmd_line)
framebuffer_thread = sunflowFilmDisplay()
framebuffer_thread.set_kick_period(2)
framebuffer_thread.begin(self, outfile, resolution(scene))
render_update_timer = None
while sunflow_process.poll() == None and not self.test_break():
render_update_timer = threading.Timer(1, self.process_wait_timer)
render_update_timer.start()
if render_update_timer.isAlive(): render_update_timer.join()
# If we exit the wait loop (user cancelled) and sunflow is still running, then send SIGINT
if sunflow_process.poll() == None:
# Use SIGTERM because that's the only one supported on Windows
sunflow_process.send_signal(subprocess.signal.SIGTERM)
# Stop updating the render result and load the final image
framebuffer_thread.stop()
framebuffer_thread.join()
if sunflow_process.poll() != None and sunflow_process.returncode != 0:
sunflowLog("Sunflow: Rendering failed -- check the console")
else:
framebuffer_thread.kick(render_end=True)
framebuffer_thread.shutdown()
def render_preview(self, scene):
# Iterate through the preview scene, finding objects with materials attached
objects_materials = {}
(width, height) = resolution(scene)
if (width, height) == (96, 96):
return
MtsLog('Preview Render Res: {0}'.format(width, height))
for object in [ob for ob in scene.objects if ob.is_visible(scene) and not ob.hide_render]:
for mat in get_instance_materials(object):
if mat is not None:
if not object.name in objects_materials.keys(): objects_materials[object] = []
objects_materials[object].append(mat)
# find objects that are likely to be the preview objects
preview_objects = [o for o in objects_materials.keys() if o.name.startswith('preview')]
if len(preview_objects) < 1:
return
# find the materials attached to the likely preview object
likely_materials = objects_materials[preview_objects[0]]
if len(likely_materials) < 1:
return
tempdir = efutil.temp_directory()
matfile = "matpreview_materials.xml"
output_file = os.path.join(tempdir, "matpreview.png")
scene_file = os.path.join(os.path.join(plugin_path(),
"matpreview"), "matpreview.xml")
MtsLog('Scene path: %s'%scene_file)
pm = likely_materials[0]
exporter = SceneExporter(tempdir, matfile,
bpy.data.materials, bpy.data.textures)
exporter.adj_filename = os.path.join(tempdir, matfile)
if not exporter.writeHeader():
MtsLog('Error while exporting -- check the console for details.')
return;
exporter.exportMaterial(pm)
exporter.exportPreviewMesh(scene, pm)
exporter.writeFooter()
refresh_interval = 2
preview_spp = int(efutil.find_config_value('mitsuba', 'defaults', 'preview_spp', '16'))
preview_depth = int(efutil.find_config_value('mitsuba', 'defaults', 'preview_depth', '2'))
mitsuba_process = MtsLaunch(scene.mitsuba_engine.binary_path, tempdir,
['mitsuba', '-q',
'-r%i' % refresh_interval,
'-b16',
'-Dmatfile=%s' % os.path.join(tempdir, matfile),
'-Dwidth=%i' % width,
'-Dheight=%i' % height,
'-Dspp=%i' % preview_spp,
'-Ddepth=%i' % preview_depth,
'-o', output_file, scene_file], )
framebuffer_thread = MtsFilmDisplay()
framebuffer_thread.set_kick_period(refresh_interval)
framebuffer_thread.begin(self, output_file, resolution(scene), preview=True)
render_update_timer = None
while mitsuba_process.poll() == None and not self.test_break():
render_update_timer = threading.Timer(1, self.process_wait_timer)
render_update_timer.start()
if render_update_timer.isAlive(): render_update_timer.join()
cancelled = False
# If we exit the wait loop (user cancelled) and mitsuba is still running, then send SIGINT
if mitsuba_process.poll() == None:
MtsLog("MtsBlend: Terminating process..")
# Use SIGTERM because that's the only one supported on Windows
mitsuba_process.send_signal(subprocess.signal.SIGTERM)
cancelled = True
# Stop updating the render result and load the final image
framebuffer_thread.stop()
framebuffer_thread.join()
if not cancelled:
if mitsuba_process.poll() != None and mitsuba_process.returncode != 0:
MtsLog("MtsBlend: Rendering failed -- check the console"); mitsuba_process.send_signal(subprocess.signal.SIGTERM) #fixes mitsuba preview not refresing after bad eg. reference
else:
framebuffer_thread.kick(render_end=True)
framebuffer_thread.shutdown()
def render_preview(self, scene):
# Iterate through the preview scene, finding objects with materials attached
objects_materials = {}
(width, height) = resolution(scene)
if (width, height) == (96, 96):
return
MtsLog('Preview Render Res: {0}'.format(width, height))
for object in [
ob for ob in scene.objects
if ob.is_visible(scene) and not ob.hide_render
]:
for mat in get_instance_materials(object):
if mat is not None:
if not object.name in objects_materials.keys():
objects_materials[object] = []
objects_materials[object].append(mat)
# find objects that are likely to be the preview objects
preview_objects = [
o for o in objects_materials.keys() if o.name.startswith('preview')
]
if len(preview_objects) < 1:
return
# find the materials attached to the likely preview object
likely_materials = objects_materials[preview_objects[0]]
if len(likely_materials) < 1:
return
tempdir = efutil.temp_directory()
matfile = "matpreview_materials.xml"
output_file = os.path.join(tempdir, "matpreview.png")
scene_file = os.path.join(os.path.join(plugin_path(), "matpreview"),
"matpreview.xml")
MtsLog('Scene path: %s' % scene_file)
pm = likely_materials[0]
exporter = SceneExporter(tempdir, matfile, bpy.data.materials,
bpy.data.textures)
exporter.adj_filename = os.path.join(tempdir, matfile)
if not exporter.writeHeader():
MtsLog('Error while exporting -- check the console for details.')
return
exporter.exportMaterial(pm)
exporter.exportPreviewMesh(scene, pm)
exporter.writeFooter()
refresh_interval = 2
preview_spp = int(
efutil.find_config_value('mitsuba', 'defaults', 'preview_spp',
'16'))
preview_depth = int(
efutil.find_config_value('mitsuba', 'defaults', 'preview_depth',
'2'))
mitsuba_process = MtsLaunch(
scene.mitsuba_engine.binary_path,
tempdir,
[
'mitsuba', '-q',
'-r%i' % refresh_interval, '-b16',
'-Dmatfile=%s' % os.path.join(tempdir, matfile),
'-Dwidth=%i' % width,
'-Dheight=%i' % height,
'-Dspp=%i' % preview_spp,
'-Ddepth=%i' % preview_depth, '-o', output_file, scene_file
],
)
framebuffer_thread = MtsFilmDisplay()
framebuffer_thread.set_kick_period(refresh_interval)
framebuffer_thread.begin(self,
output_file,
resolution(scene),
preview=True)
render_update_timer = None
while mitsuba_process.poll() == None and not self.test_break():
render_update_timer = threading.Timer(1, self.process_wait_timer)
render_update_timer.start()
if render_update_timer.isAlive(): render_update_timer.join()
cancelled = False
# If we exit the wait loop (user cancelled) and mitsuba is still running, then send SIGINT
if mitsuba_process.poll() == None:
MtsLog("MtsBlend: Terminating process..")
# Use SIGTERM because that's the only one supported on Windows
mitsuba_process.send_signal(subprocess.signal.SIGTERM)
cancelled = True
# Stop updating the render result and load the final image
framebuffer_thread.stop()
framebuffer_thread.join()
if not cancelled:
if mitsuba_process.poll(
) != None and mitsuba_process.returncode != 0:
MtsLog("MtsBlend: Rendering failed -- check the console")
mitsuba_process.send_signal(
subprocess.signal.SIGTERM
) #fixes mitsuba preview not refresing after bad eg. reference
else:
framebuffer_thread.kick(render_end=True)
framebuffer_thread.shutdown()
def render_preview(self, scene):
if sys.platform == 'darwin':
self.output_dir = efutil.filesystem_path(bpy.app.tempdir)
else:
self.output_dir = efutil.temp_directory()
if self.output_dir[-1] != '/':
self.output_dir += '/'
efutil.export_path = self.output_dir
from ..outputs.pure_api import PYLUX_AVAILABLE
if not PYLUX_AVAILABLE:
self.bl_use_preview = False
LuxLog('ERROR: Material previews require pylux')
return
from ..export import materials as export_materials
# Iterate through the preview scene, finding objects with materials attached
objects_mats = {}
for obj in [
ob for ob in scene.objects
if ob.is_visible(scene) and not ob.hide_render
]:
for mat in export_materials.get_instance_materials(obj):
if mat is not None:
if not obj.name in objects_mats.keys():
objects_mats[obj] = []
objects_mats[obj].append(mat)
PREVIEW_TYPE = None # 'MATERIAL' or 'TEXTURE'
# find objects that are likely to be the preview objects
preview_objects = [
o for o in objects_mats.keys() if o.name.startswith('preview')
]
if len(preview_objects) > 0:
PREVIEW_TYPE = 'MATERIAL'
else:
preview_objects = [
o for o in objects_mats.keys() if o.name.startswith('texture')
]
if len(preview_objects) > 0:
PREVIEW_TYPE = 'TEXTURE'
if PREVIEW_TYPE == None:
return
# TODO: scene setup based on PREVIEW_TYPE
# find the materials attached to the likely preview object
likely_materials = objects_mats[preview_objects[0]]
if len(likely_materials) < 1:
print('no preview materials')
return
pm = likely_materials[0]
pt = None
LuxLog('Rendering material preview: %s' % pm.name)
if PREVIEW_TYPE == 'TEXTURE':
pt = pm.active_texture
LM = LuxManager(
scene.name,
api_type='API',
)
LuxManager.SetCurrentScene(scene)
LuxManager.SetActive(LM)
file_based_preview = False
if file_based_preview:
# Dump to file in temp dir for debugging
from ..outputs.file_api import Custom_Context as lxs_writer
preview_context = lxs_writer(scene.name)
preview_context.set_filename(scene,
'luxblend25-preview',
LXV=False)
LM.lux_context = preview_context
else:
preview_context = LM.lux_context
preview_context.logVerbosity('quiet')
try:
export_materials.ExportedMaterials.clear()
export_materials.ExportedTextures.clear()
from ..export import preview_scene
xres, yres = scene.camera.data.luxrender_camera.luxrender_film.resolution(
scene)
# Don't render the tiny images
if xres <= 96:
raise Exception(
'Skipping material thumbnail update, image too small (%ix%i)'
% (xres, yres))
preview_scene.preview_scene(scene,
preview_context,
obj=preview_objects[0],
mat=pm,
tex=pt)
# render !
preview_context.worldEnd()
if file_based_preview:
preview_context = preview_context.parse(
'luxblend25-preview.lxs', True)
LM.lux_context = preview_context
while not preview_context.statistics('sceneIsReady'):
time.sleep(0.05)
def is_finished(ctx):
return ctx.getAttribute('film', 'enoughSamples')
def interruptible_sleep(sec, increment=0.05):
sec_elapsed = 0.0
while not self.test_break() and sec_elapsed <= sec:
sec_elapsed += increment
time.sleep(increment)
for i in range(multiprocessing.cpu_count() - 2):
# -2 since 1 thread already created and leave 1 spare
if is_finished(preview_context):
break
preview_context.addThread()
while not is_finished(preview_context):
if self.test_break(
) or bpy.context.scene.render.engine != 'LUXRENDER_RENDER':
raise Exception('Render interrupted')
# progressively update the preview
time.sleep(0.2) # safety-sleep
if preview_context.getAttribute('renderer_statistics',
'samplesPerPixel') > 6:
if PREVIEW_TYPE == 'TEXTURE':
interruptible_sleep(
0.8
) # reduce update to every 1.0 sec until haltthreshold kills the render
else:
interruptible_sleep(
1.8
) # reduce update to every 2.0 sec until haltthreshold kills the render
preview_context.updateStatisticsWindow()
LuxLog('Updating preview (%ix%i - %s)' %
(xres, yres,
preview_context.getAttribute(
'renderer_statistics_formatted_short',
'_recommended_string')))
result = self.begin_result(0, 0, xres, yres)
if hasattr(preview_context, 'blenderCombinedDepthBuffers'):
# use fast buffers
pb, zb = preview_context.blenderCombinedDepthBuffers()
result.layers.foreach_set("rect", pb)
else:
lay = result.layers[0]
lay.rect = preview_context.blenderCombinedDepthRects()[0]
self.end_result(
result,
0) if bpy.app.version > (2, 63, 17) else self.end_result(
result) # cycles tiles adaption
except Exception as exc:
LuxLog('Preview aborted: %s' % exc)
preview_context.exit()
preview_context.wait()
# cleanup() destroys the pylux Context
preview_context.cleanup()
LM.reset()
def render(self, scene):
'''
scene: bpy.types.Scene
Export the given scene to LuxRender.
Choose from one of several methods depending on what needs to be rendered.
Returns None
'''
with RENDERENGINE_luxrender.render_lock: # just render one thing at a time
prev_cwd = os.getcwd()
try:
self.LuxManager = None
self.render_update_timer = None
self.output_dir = efutil.temp_directory()
self.output_file = 'default.png'
if scene is None:
LuxLog('ERROR: Scene to render is not valid')
return
if scene.name == 'preview':
self.render_preview(scene)
return
if scene.display_settings.display_device != "sRGB":
LuxLog(
'WARNING: Colour Management not set to sRGB, render results may look too dark.'
)
api_type, write_files = self.set_export_path(scene)
os.chdir(efutil.export_path)
is_animation = hasattr(self,
'is_animation') and self.is_animation
make_queue = scene.luxrender_engine.export_type == 'EXT' and scene.luxrender_engine.binary_name == 'luxrender' and write_files
if is_animation and make_queue:
queue_file = efutil.export_path + '%s.%s.lxq' % (
efutil.scene_filename(), bpy.path.clean_name(
scene.name))
# Open/reset a queue file
if scene.frame_current == scene.frame_start:
open(queue_file, 'w').close()
if hasattr(self, 'update_progress'):
fr = scene.frame_end - scene.frame_start
fo = scene.frame_current - scene.frame_start
self.update_progress(fo / fr)
exported_file = self.export_scene(scene)
if exported_file == False:
return # Export frame failed, abort rendering
if is_animation and make_queue:
self.LuxManager = LuxManager.GetActive()
self.LuxManager.lux_context.worldEnd()
with open(queue_file, 'a') as qf:
qf.write("%s\n" % exported_file)
if scene.frame_current == scene.frame_end:
# run the queue
self.render_queue(scene, queue_file)
else:
self.render_start(scene)
except Exception as err:
LuxLog('%s' % err)
self.report({'ERROR'}, '%s' % err)
os.chdir(prev_cwd)
def __render_material_preview(self, scene):
"""
Export and render the material preview scene.
"""
# Don't render material thumbnails.
(width, height) = util.get_render_resolution(scene)
if width <= 96:
return
# Collect objects and their materials in a object -> [materials] dictionary.
objects_materials = {}
for obj in (obj for obj in scene.objects
if obj.is_visible(scene) and not obj.hide_render):
for mat in util.get_instance_materials(obj):
if mat is not None:
if obj.name not in objects_materials.keys():
objects_materials[obj] = []
objects_materials[obj].append(mat)
# Find objects that are likely to be the preview objects.
preview_objects = [
o for o in objects_materials.keys() if o.name.startswith('preview')
]
if not preview_objects:
return
# Find the materials attached to the likely preview object.
likely_materials = objects_materials[preview_objects[0]]
if not likely_materials:
return
# Build the path to the template preview project in the add-on directory.
preview_template_dir = os.path.join(
os.sep.join(util.realpath(__file__).split(os.sep)[:-1]),
"mat_preview")
# Build the path to the output preview project.
preview_output_dir = os.path.join(efutil.temp_directory(),
"mat_preview")
preview_project_filepath = os.path.join(preview_output_dir,
"mat_preview.appleseed")
# Copy preview scene assets.
if not os.path.isdir(preview_output_dir):
os.mkdir(preview_output_dir)
existing_files = os.listdir(preview_output_dir)
for item in os.listdir(preview_template_dir):
if item not in existing_files:
copyfile(os.path.join(preview_template_dir, item),
os.path.join(preview_output_dir, item))
prev_mat = likely_materials[0]
prev_type = prev_mat.preview_render_type.lower()
# Export the project.
exporter = project_file_writer.Exporter()
file_written = exporter.export_preview(scene, preview_project_filepath,
preview_template_dir, prev_mat,
prev_type, width, height)
if not file_written:
print('Error while exporting -- check the console for details.')
return
# Render the project.
self.__render_project_file(scene, preview_project_filepath)
def __render_material_preview(self, scene):
"""
Export and render the material preview scene.
"""
# Don't render material thumbnails.
(width, height) = util.get_render_resolution(scene)
if width <= 96:
return
# Collect objects and their materials in a object -> [materials] dictionary.
objects_materials = {}
for obj in (obj for obj in scene.objects if obj.is_visible(scene) and not obj.hide_render):
for mat in util.get_instance_materials(obj):
if mat is not None:
if obj.name not in objects_materials.keys():
objects_materials[obj] = []
objects_materials[obj].append(mat)
# Find objects that are likely to be the preview objects.
preview_objects = [o for o in objects_materials.keys() if o.name.startswith('preview')]
if not preview_objects:
return
# Find the materials attached to the likely preview object.
likely_materials = objects_materials[preview_objects[0]]
if not likely_materials:
return
# Build the path to the template preview project in the add-on directory.
preview_template_dir = os.path.join(os.sep.join(util.realpath(__file__).split(os.sep)[:-1]), "mat_preview")
# Build the path to the output preview project.
preview_output_dir = os.path.join(efutil.temp_directory(), "mat_preview")
preview_project_filepath = os.path.join(preview_output_dir, "mat_preview.appleseed")
# Copy preview scene assets.
if not os.path.isdir(preview_output_dir):
os.mkdir(preview_output_dir)
existing_files = os.listdir(preview_output_dir)
for item in os.listdir(preview_template_dir):
if item not in existing_files:
copyfile(os.path.join(preview_template_dir, item), os.path.join(preview_output_dir, item))
prev_mat = likely_materials[0]
prev_type = prev_mat.preview_render_type.lower()
# Export the project.
exporter = project_file_writer.Exporter()
file_written = exporter.export_preview(scene,
preview_project_filepath,
prev_mat,
prev_type,
width,
height)
if not file_written:
print('Error while exporting. Check the console for details.')
return
# Render the project.
self.__render_project_file(scene, preview_project_filepath)
def render_preview(self, scene):
(width, height) = resolution(scene)
if (width < 96 or height < 96):
return
objects_materials = {}
for object_ in [
ob for ob in scene.objects
if ob.is_visible(scene) and not ob.hide_render
]:
for mat in get_instance_materials(object_):
if mat is not None:
if not object_.name in objects_materials.keys():
objects_materials[object_] = []
objects_materials[object_].append(mat)
# find objects that are likely to be the preview objects
preview_objects = [
o for o in objects_materials.keys() if o.name.startswith('preview')
]
if len(preview_objects) < 1:
return
# find the materials attached to the likely preview object
likely_materials = objects_materials[preview_objects[0]]
if len(likely_materials) < 1:
return
tempdir = efutil.temp_directory()
scenefile = os.path.abspath(os.path.join(tempdir, "Scene.sc"))
outfile = os.path.abspath(os.path.join(tempdir, "matpreview.png"))
matfile = os.path.abspath(
os.path.join(tempdir, "ObjectMaterial.mat.sc"))
pm = likely_materials[0]
mat_dic = create_shader_block(pm)
linenum = 0
found = False
if (('Shader' in mat_dic.keys()) and (len(mat_dic['Shader']) > 0)):
for eachline in mat_dic['Shader']:
if eachline.find(' name "') >= 0:
found = True
break
linenum += 1
if not found:
return
matgot = mat_dic['Shader'][:]
matgot[1] = ' name "ObjectMaterial"'
out_write = []
out_write.append('image {')
out_write.append('resolution %s %s' % (width, height))
out_write.append(
'aa 0 1 samples 4 filter mitchell jitter False } '
)
out_write.extend(matgot)
fi = open(matfile, 'w')
[fi.write("\n%s " % line) for line in out_write]
fi.close()
src = os.path.join(plugin_path(), "preview", 'SceneFloorUVgrid.png')
shutil.copy(src, tempdir)
src = os.path.join(plugin_path(), "preview", 'Scene.sc')
shutil.copy(src, tempdir)
jarpath = efutil.find_config_value('sunflow', 'defaults', 'jar_path',
'')
javapath = efutil.find_config_value('sunflow', 'defaults', 'java_path',
'')
memory = "-Xmx%sm" % efutil.find_config_value('sunflow', 'defaults',
'memoryalloc', '')
cmd_line = [
javapath, memory, '-server', '-jar', jarpath, '-nogui', '-v', '0',
'-o', outfile, scenefile
]
sunflow_process = subprocess.Popen(cmd_line)
framebuffer_thread = sunflowFilmDisplay()
framebuffer_thread.set_kick_period(2)
framebuffer_thread.begin(self, outfile, resolution(scene))
render_update_timer = None
while sunflow_process.poll() == None and not self.test_break():
render_update_timer = threading.Timer(1, self.process_wait_timer)
render_update_timer.start()
if render_update_timer.isAlive(): render_update_timer.join()
# If we exit the wait loop (user cancelled) and sunflow is still running, then send SIGINT
if sunflow_process.poll() == None:
# Use SIGTERM because that's the only one supported on Windows
sunflow_process.send_signal(subprocess.signal.SIGTERM)
# Stop updating the render result and load the final image
framebuffer_thread.stop()
framebuffer_thread.join()
if sunflow_process.poll() != None and sunflow_process.returncode != 0:
sunflowLog("Sunflow: Rendering failed -- check the console")
else:
framebuffer_thread.kick(render_end=True)
framebuffer_thread.shutdown()