forked from bartvdbraak/blender
4b1f3a7819
Root of the issue was, preview generator was filling ID preview with unsigned int, when RNA only knows of signed integers (and thus generates a python exception when converting uint outside of int range)... Using the brand new and much simple float pixels accessor to PreviewImage now. Why this was working perfectly OK (it seems...) under Linux, and why error (py exception) was so badly and misleadingly reported on Windows, remains pitch black mystery to me.
492 lines
20 KiB
Python
492 lines
20 KiB
Python
# ***** BEGIN GPL LICENSE BLOCK *****
|
|
#
|
|
# 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, write to the Free Software Foundation,
|
|
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
# ***** END GPL LICENSE BLOCK *****
|
|
|
|
# <pep8 compliant>
|
|
|
|
# Populate a template file (POT format currently) from Blender RNA/py/C data.
|
|
# Note: This script is meant to be used from inside Blender!
|
|
|
|
import collections
|
|
import os
|
|
import sys
|
|
|
|
import bpy
|
|
from mathutils import Vector, Euler
|
|
|
|
|
|
INTERN_PREVIEW_TYPES = {'MATERIAL', 'LAMP', 'WORLD', 'TEXTURE', 'IMAGE'}
|
|
OBJECT_TYPES_RENDER = {'MESH', 'CURVE', 'SURFACE', 'META', 'FONT'}
|
|
|
|
|
|
def ids_nolib(bids):
|
|
return (bid for bid in bids if not bid.library)
|
|
|
|
|
|
def rna_backup_gen(data, include_props=None, exclude_props=None, root=()):
|
|
# only writable properties...
|
|
for p in data.bl_rna.properties:
|
|
pid = p.identifier
|
|
if pid in {'rna_type', }:
|
|
continue
|
|
path = root + (pid,)
|
|
if include_props is not None and path not in include_props:
|
|
continue
|
|
if exclude_props is not None and path in exclude_props:
|
|
continue
|
|
val = getattr(data, pid)
|
|
if val is not None and p.type == 'POINTER':
|
|
# recurse!
|
|
yield from rna_backup_gen(val, include_props, exclude_props, root=path)
|
|
elif data.is_property_readonly(pid):
|
|
continue
|
|
else:
|
|
yield path, val
|
|
|
|
|
|
def rna_backup_restore(data, backup):
|
|
for path, val in backup:
|
|
dt = data
|
|
for pid in path[:-1]:
|
|
dt = getattr(dt, pid)
|
|
setattr(dt, path[-1], val)
|
|
|
|
|
|
def do_previews(do_objects, do_groups, do_scenes, do_data_intern):
|
|
# Helpers.
|
|
RenderContext = collections.namedtuple("RenderContext", (
|
|
"scene", "world", "camera", "lamp", "camera_data", "lamp_data", "image", # All those are names!
|
|
"backup_scene", "backup_world", "backup_camera", "backup_lamp", "backup_camera_data", "backup_lamp_data",
|
|
))
|
|
|
|
RENDER_PREVIEW_SIZE = bpy.app.render_preview_size
|
|
|
|
def render_context_create(engine, objects_ignored):
|
|
if engine == '__SCENE':
|
|
backup_scene, backup_world, backup_camera, backup_lamp, backup_camera_data, backup_lamp_data = [()] * 6
|
|
scene = bpy.context.screen.scene
|
|
exclude_props = {('world',), ('camera',), ('tool_settings',), ('preview',)}
|
|
backup_scene = tuple(rna_backup_gen(scene, exclude_props=exclude_props))
|
|
world = scene.world
|
|
camera = scene.camera
|
|
if camera:
|
|
camera_data = camera.data
|
|
else:
|
|
backup_camera, backup_camera_data = [None] * 2
|
|
camera_data = bpy.data.cameras.new("TEMP_preview_render_camera")
|
|
camera = bpy.data.objects.new("TEMP_preview_render_camera", camera_data)
|
|
camera.rotation_euler = Euler((1.1635528802871704, 0.0, 0.7853981852531433), 'XYZ') # (66.67, 0.0, 45.0)
|
|
scene.camera = camera
|
|
scene.objects.link(camera)
|
|
# TODO: add lamp if none found in scene?
|
|
lamp = None
|
|
lamp_data = None
|
|
else:
|
|
backup_scene, backup_world, backup_camera, backup_lamp, backup_camera_data, backup_lamp_data = [None] * 6
|
|
|
|
scene = bpy.data.scenes.new("TEMP_preview_render_scene")
|
|
world = bpy.data.worlds.new("TEMP_preview_render_world")
|
|
camera_data = bpy.data.cameras.new("TEMP_preview_render_camera")
|
|
camera = bpy.data.objects.new("TEMP_preview_render_camera", camera_data)
|
|
lamp_data = bpy.data.lamps.new("TEMP_preview_render_lamp", 'SPOT')
|
|
lamp = bpy.data.objects.new("TEMP_preview_render_lamp", lamp_data)
|
|
|
|
objects_ignored.add((camera.name, lamp.name))
|
|
|
|
scene.world = world
|
|
|
|
camera.rotation_euler = Euler((1.1635528802871704, 0.0, 0.7853981852531433), 'XYZ') # (66.67, 0.0, 45.0)
|
|
scene.camera = camera
|
|
scene.objects.link(camera)
|
|
|
|
lamp.rotation_euler = Euler((0.7853981852531433, 0.0, 1.7453292608261108), 'XYZ') # (45.0, 0.0, 100.0)
|
|
lamp_data.falloff_type = 'CONSTANT'
|
|
lamp_data.spot_size = 1.0471975803375244 # 60
|
|
scene.objects.link(lamp)
|
|
|
|
if engine == 'BLENDER_RENDER':
|
|
scene.render.engine = 'BLENDER_RENDER'
|
|
scene.render.alpha_mode = 'TRANSPARENT'
|
|
|
|
world.use_sky_blend = True
|
|
world.horizon_color = 0.9, 0.9, 0.9
|
|
world.zenith_color = 0.5, 0.5, 0.5
|
|
world.ambient_color = 0.1, 0.1, 0.1
|
|
world.light_settings.use_environment_light = True
|
|
world.light_settings.environment_energy = 1.0
|
|
world.light_settings.environment_color = 'SKY_COLOR'
|
|
elif engine == 'CYCLES':
|
|
scene.render.engine = 'CYCLES'
|
|
scene.cycles.film_transparent = True
|
|
# TODO: define Cycles world?
|
|
|
|
scene.render.image_settings.file_format = 'PNG'
|
|
scene.render.image_settings.color_depth = '8'
|
|
scene.render.image_settings.color_mode = 'RGBA'
|
|
scene.render.image_settings.compression = 25
|
|
scene.render.resolution_x = RENDER_PREVIEW_SIZE
|
|
scene.render.resolution_y = RENDER_PREVIEW_SIZE
|
|
scene.render.resolution_percentage = 100
|
|
scene.render.filepath = os.path.join(bpy.app.tempdir, 'TEMP_preview_render.png')
|
|
scene.render.use_overwrite = True
|
|
scene.render.use_stamp = False
|
|
|
|
image = bpy.data.images.new("TEMP_render_image", RENDER_PREVIEW_SIZE, RENDER_PREVIEW_SIZE, alpha=True)
|
|
image.source = 'FILE'
|
|
image.filepath = scene.render.filepath
|
|
|
|
return RenderContext(
|
|
scene.name, world.name if world else None, camera.name, lamp.name if lamp else None,
|
|
camera_data.name, lamp_data.name if lamp_data else None, image.name,
|
|
backup_scene, backup_world, backup_camera, backup_lamp, backup_camera_data, backup_lamp_data,
|
|
)
|
|
|
|
def render_context_delete(render_context):
|
|
# We use try/except blocks here to avoid crash, too much things can go wrong, and we want to leave the current
|
|
# .blend as clean as possible!
|
|
success = True
|
|
|
|
scene = bpy.data.scenes[render_context.scene, None]
|
|
try:
|
|
if render_context.backup_scene is None:
|
|
scene.world = None
|
|
scene.camera = None
|
|
if render_context.camera:
|
|
scene.objects.unlink(bpy.data.objects[render_context.camera, None])
|
|
if render_context.lamp:
|
|
scene.objects.unlink(bpy.data.objects[render_context.lamp, None])
|
|
bpy.data.scenes.remove(scene)
|
|
scene = None
|
|
else:
|
|
rna_backup_restore(scene, render_context.backup_scene)
|
|
except Exception as e:
|
|
print("ERROR:", e)
|
|
success = False
|
|
|
|
if render_context.world is not None:
|
|
try:
|
|
world = bpy.data.worlds[render_context.world, None]
|
|
if render_context.backup_world is None:
|
|
if scene is not None:
|
|
scene.world = None
|
|
world.user_clear()
|
|
bpy.data.worlds.remove(world)
|
|
else:
|
|
rna_backup_restore(world, render_context.backup_world)
|
|
except Exception as e:
|
|
print("ERROR:", e)
|
|
success = False
|
|
|
|
if render_context.camera:
|
|
try:
|
|
camera = bpy.data.objects[render_context.camera, None]
|
|
if render_context.backup_camera is None:
|
|
if scene is not None:
|
|
scene.camera = None
|
|
scene.objects.unlink(camera)
|
|
camera.user_clear()
|
|
bpy.data.objects.remove(camera)
|
|
bpy.data.cameras.remove(bpy.data.cameras[render_context.camera_data, None])
|
|
else:
|
|
rna_backup_restore(camera, render_context.backup_camera)
|
|
rna_backup_restore(bpy.data.cameras[render_context.camera_data, None],
|
|
render_context.backup_camera_data)
|
|
except Exception as e:
|
|
print("ERROR:", e)
|
|
success = False
|
|
|
|
if render_context.lamp:
|
|
try:
|
|
lamp = bpy.data.objects[render_context.lamp, None]
|
|
if render_context.backup_lamp is None:
|
|
if scene is not None:
|
|
scene.objects.unlink(lamp)
|
|
lamp.user_clear()
|
|
bpy.data.objects.remove(lamp)
|
|
bpy.data.lamps.remove(bpy.data.lamps[render_context.lamp_data, None])
|
|
else:
|
|
rna_backup_restore(lamp, render_context.backup_lamp)
|
|
rna_backup_restore(bpy.data.lamps[render_context.lamp_data, None], render_context.backup_lamp_data)
|
|
except Exception as e:
|
|
print("ERROR:", e)
|
|
success = False
|
|
|
|
try:
|
|
image = bpy.data.images[render_context.image, None]
|
|
image.user_clear()
|
|
bpy.data.images.remove(image)
|
|
except Exception as e:
|
|
print("ERROR:", e)
|
|
success = False
|
|
|
|
return success
|
|
|
|
def objects_render_engine_guess(obs):
|
|
for obname in obs:
|
|
ob = bpy.data.objects[obname, None]
|
|
for matslot in ob.material_slots:
|
|
mat = matslot.material
|
|
if mat and mat.use_nodes and mat.node_tree:
|
|
for nd in mat.node_tree.nodes:
|
|
if nd.shading_compatibility == {'NEW_SHADING'}:
|
|
return 'CYCLES'
|
|
return 'BLENDER_RENDER'
|
|
|
|
def object_bbox_merge(bbox, ob, ob_space):
|
|
if ob.bound_box:
|
|
ob_bbox = ob.bound_box
|
|
else:
|
|
ob_bbox = ((-ob.scale.x, -ob.scale.y, -ob.scale.z), (ob.scale.x, ob.scale.y, ob.scale.z))
|
|
for v in ob.bound_box:
|
|
v = ob_space.matrix_world.inverted() * ob.matrix_world * Vector(v)
|
|
if bbox[0].x > v.x:
|
|
bbox[0].x = v.x
|
|
if bbox[0].y > v.y:
|
|
bbox[0].y = v.y
|
|
if bbox[0].z > v.z:
|
|
bbox[0].z = v.z
|
|
if bbox[1].x < v.x:
|
|
bbox[1].x = v.x
|
|
if bbox[1].y < v.y:
|
|
bbox[1].y = v.y
|
|
if bbox[1].z < v.z:
|
|
bbox[1].z = v.z
|
|
|
|
def objects_bbox_calc(camera, objects):
|
|
bbox = (Vector((1e9, 1e9, 1e9)), Vector((-1e9, -1e9, -1e9)))
|
|
for obname in objects:
|
|
ob = bpy.data.objects[obname, None]
|
|
object_bbox_merge(bbox, ob, camera)
|
|
# Our bbox has been generated in camera local space, bring it back in world one
|
|
bbox[0][:] = camera.matrix_world * bbox[0]
|
|
bbox[1][:] = camera.matrix_world * bbox[1]
|
|
cos = (
|
|
bbox[0].x, bbox[0].y, bbox[0].z,
|
|
bbox[0].x, bbox[0].y, bbox[1].z,
|
|
bbox[0].x, bbox[1].y, bbox[0].z,
|
|
bbox[0].x, bbox[1].y, bbox[1].z,
|
|
bbox[1].x, bbox[0].y, bbox[0].z,
|
|
bbox[1].x, bbox[0].y, bbox[1].z,
|
|
bbox[1].x, bbox[1].y, bbox[0].z,
|
|
bbox[1].x, bbox[1].y, bbox[1].z,
|
|
)
|
|
return cos
|
|
|
|
def preview_render_do(render_context, item_container, item_name, objects):
|
|
scene = bpy.data.scenes[render_context.scene, None]
|
|
if objects is not None:
|
|
camera = bpy.data.objects[render_context.camera, None]
|
|
lamp = bpy.data.objects[render_context.lamp, None] if render_context.lamp is not None else None
|
|
cos = objects_bbox_calc(camera, objects)
|
|
loc, ortho_scale = camera.camera_fit_coords(scene, cos)
|
|
camera.location = loc
|
|
if lamp:
|
|
loc, ortho_scale = lamp.camera_fit_coords(scene, cos)
|
|
lamp.location = loc
|
|
scene.update()
|
|
|
|
bpy.ops.render.render(write_still=True)
|
|
|
|
image = bpy.data.images[render_context.image, None]
|
|
item = getattr(bpy.data, item_container)[item_name, None]
|
|
image.reload()
|
|
item.preview.image_size = (RENDER_PREVIEW_SIZE, RENDER_PREVIEW_SIZE)
|
|
item.preview.image_pixels_float[:] = image.pixels
|
|
|
|
# And now, main code!
|
|
do_save = True
|
|
|
|
if do_data_intern:
|
|
bpy.ops.wm.previews_clear(id_type=INTERN_PREVIEW_TYPES)
|
|
bpy.ops.wm.previews_ensure()
|
|
|
|
render_contexts = {}
|
|
|
|
objects_ignored = set()
|
|
groups_ignored = set()
|
|
|
|
prev_scenename = bpy.context.screen.scene.name
|
|
|
|
if do_objects:
|
|
prev_shown = tuple(ob.hide_render for ob in ids_nolib(bpy.data.objects))
|
|
for ob in ids_nolib(bpy.data.objects):
|
|
if ob in objects_ignored:
|
|
continue
|
|
ob.hide_render = True
|
|
for root in ids_nolib(bpy.data.objects):
|
|
if root.name in objects_ignored:
|
|
continue
|
|
if root.type not in OBJECT_TYPES_RENDER:
|
|
continue
|
|
objects = (root.name,)
|
|
|
|
render_engine = objects_render_engine_guess(objects)
|
|
render_context = render_contexts.get(render_engine, None)
|
|
if render_context is None:
|
|
render_context = render_context_create(render_engine, objects_ignored)
|
|
render_contexts[render_engine] = render_context
|
|
|
|
scene = bpy.data.scenes[render_context.scene, None]
|
|
bpy.context.screen.scene = scene
|
|
|
|
for obname in objects:
|
|
ob = bpy.data.objects[obname, None]
|
|
if obname not in scene.objects:
|
|
scene.objects.link(ob)
|
|
ob.hide_render = False
|
|
scene.update()
|
|
|
|
preview_render_do(render_context, 'objects', root.name, objects)
|
|
|
|
# XXX Hyper Super Uber Suspicious Hack!
|
|
# Without this, on windows build, script excepts with following message:
|
|
# Traceback (most recent call last):
|
|
# File "<string>", line 1, in <module>
|
|
# File "<string>", line 451, in <module>
|
|
# File "<string>", line 443, in main
|
|
# File "<string>", line 327, in do_previews
|
|
# OverflowError: Python int too large to convert to C long
|
|
# ... :(
|
|
import sys
|
|
scene = bpy.data.scenes[render_context.scene, None]
|
|
for obname in objects:
|
|
ob = bpy.data.objects[obname, None]
|
|
scene.objects.unlink(ob)
|
|
ob.hide_render = True
|
|
|
|
for ob, is_rendered in zip(tuple(ids_nolib(bpy.data.objects)), prev_shown):
|
|
ob.hide_render = is_rendered
|
|
|
|
if do_groups:
|
|
for grp in ids_nolib(bpy.data.groups):
|
|
if grp.name in groups_ignored:
|
|
continue
|
|
objects = tuple(ob.name for ob in grp.objects)
|
|
|
|
render_engine = objects_render_engine_guess(objects)
|
|
render_context = render_contexts.get(render_engine, None)
|
|
if render_context is None:
|
|
render_context = render_context_create(render_engine, objects_ignored)
|
|
render_contexts[render_engine] = render_context
|
|
|
|
scene = bpy.data.scenes[render_context.scene, None]
|
|
bpy.context.screen.scene = scene
|
|
|
|
bpy.ops.object.group_instance_add(group=grp.name)
|
|
grp_ob = next((ob for ob in scene.objects if ob.dupli_group and ob.dupli_group.name == grp.name))
|
|
grp_obname = grp_ob.name
|
|
scene.update()
|
|
|
|
preview_render_do(render_context, 'groups', grp.name, objects)
|
|
|
|
scene = bpy.data.scenes[render_context.scene, None]
|
|
scene.objects.unlink(bpy.data.objects[grp_obname, None])
|
|
|
|
bpy.context.screen.scene = bpy.data.scenes[prev_scenename, None]
|
|
for render_context in render_contexts.values():
|
|
if not render_context_delete(render_context):
|
|
do_save = False # Do not save file if something went wrong here, we could 'pollute' it with temp data...
|
|
|
|
if do_scenes:
|
|
for scene in ids_nolib(bpy.data.scenes):
|
|
has_camera = scene.camera is not None
|
|
bpy.context.screen.scene = scene
|
|
render_context = render_context_create('__SCENE', objects_ignored)
|
|
scene.update()
|
|
|
|
objects = None
|
|
if not has_camera:
|
|
# We had to add a temp camera, now we need to place it to see interesting objects!
|
|
objects = tuple(ob.name for ob in scene.objects
|
|
if (not ob.hide_render) and (ob.type in OBJECT_TYPES_RENDER))
|
|
|
|
preview_render_do(render_context, 'scenes', scene.name, objects)
|
|
|
|
if not render_context_delete(render_context):
|
|
do_save = False
|
|
|
|
bpy.context.screen.scene = bpy.data.scenes[prev_scenename, None]
|
|
if do_save:
|
|
print("Saving %s..." % bpy.data.filepath)
|
|
try:
|
|
bpy.ops.wm.save_mainfile()
|
|
except Exception as e:
|
|
# Might fail in some odd cases, like e.g. in regression files we have glsl/ram_glsl.blend which
|
|
# references an inexistent texture... Better not break in this case, just spit error to console.
|
|
print("ERROR:", e)
|
|
else:
|
|
print("*NOT* Saving %s, because some error(s) happened while deleting temp render data..." % bpy.data.filepath)
|
|
|
|
|
|
def do_clear_previews(do_objects, do_groups, do_scenes, do_data_intern):
|
|
if do_data_intern:
|
|
bpy.ops.wm.previews_clear(id_type=INTERN_PREVIEW_TYPES)
|
|
|
|
if do_objects:
|
|
for ob in ids_nolib(bpy.data.objects):
|
|
ob.preview.image_size = (0, 0)
|
|
|
|
if do_groups:
|
|
for grp in ids_nolib(bpy.data.groups):
|
|
grp.preview.image_size = (0, 0)
|
|
|
|
if do_scenes:
|
|
for scene in ids_nolib(bpy.data.scenes):
|
|
scene.preview.image_size = (0, 0)
|
|
|
|
print("Saving %s..." % bpy.data.filepath)
|
|
bpy.ops.wm.save_mainfile()
|
|
|
|
|
|
def main():
|
|
try:
|
|
import bpy
|
|
except ImportError:
|
|
print("This script must run from inside blender")
|
|
return
|
|
|
|
import sys
|
|
import argparse
|
|
|
|
# Get rid of Blender args!
|
|
argv = sys.argv[sys.argv.index("--") + 1:] if "--" in sys.argv else []
|
|
|
|
parser = argparse.ArgumentParser(description="Use Blender to generate previews for currently open Blender file's items.")
|
|
parser.add_argument('--clear', default=False, action="store_true", help="Clear previews instead of generating them.")
|
|
parser.add_argument('--no_scenes', default=True, action="store_false", help="Do not generate/clear previews for scene IDs.")
|
|
parser.add_argument('--no_groups', default=True, action="store_false", help="Do not generate/clear previews for group IDs.")
|
|
parser.add_argument('--no_objects', default=True, action="store_false", help="Do not generate/clear previews for object IDs.")
|
|
parser.add_argument('--no_data_intern', default=True, action="store_false",
|
|
help="Do not generate/clear previews for mat/tex/image/etc. IDs (those handled by core Blender code).")
|
|
args = parser.parse_args(argv)
|
|
|
|
if args.clear:
|
|
print("clear!")
|
|
do_clear_previews(do_objects=args.no_objects, do_groups=args.no_groups, do_scenes=args.no_scenes,
|
|
do_data_intern=args.no_data_intern)
|
|
else:
|
|
print("render!")
|
|
do_previews(do_objects=args.no_objects, do_groups=args.no_groups, do_scenes=args.no_scenes,
|
|
do_data_intern=args.no_data_intern)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
print("\n\n *** Running {} *** \n".format(__file__))
|
|
print(" *** Blend file {} *** \n".format(bpy.data.filepath))
|
|
main()
|
|
bpy.ops.wm.quit_blender()
|