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# ##### 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 #####
if "bpy" in locals():
from importlib import reload
paths = reload(paths)
else:
from blenderkit import paths
import bpy
from mathutils import Vector
import json
import os
import requests
def activate(ob):
bpy.ops.object.select_all(action='DESELECT')
ob.select_set(True)
bpy.context.view_layer.objects.active = ob
def selection_get():
aob = bpy.context.active_object
selobs = bpy.context.selected_objects
return (aob, selobs)
def selection_set(sel):
bpy.ops.object.select_all(action='DESELECT')
bpy.context.view_layer.objects.active = sel[0]
for ob in sel[1]:
ob.select_set(True)
def get_active_model():
if hasattr(bpy.context, 'active_object'):
ob = bpy.context.active_object
while ob.parent is not None:
ob = ob.parent
return ob
return None
def get_selected_models():
obs = bpy.context.selected_objects[:]
done = {}
parents = []
for ob in obs:
if ob not in done:
while ob.parent is not None and ob not in done:
done[ob] = True
ob = ob.parent
if ob not in parents and ob not in done:
if ob.blenderkit.name != '':
parents.append(ob)
done[ob] = True
return parents
def get_search_props():
scene = bpy.context.scene
if scene is None:
return;
uiprops = scene.blenderkitUI
props = None
if uiprops.asset_type == 'MODEL':
if not hasattr(scene, 'blenderkit_models'):
return;
props = scene.blenderkit_models
if uiprops.asset_type == 'SCENE':
if not hasattr(scene, 'blenderkit_scene'):
return;
props = scene.blenderkit_scene
if uiprops.asset_type == 'MATERIAL':
if not hasattr(scene, 'blenderkit_mat'):
return;
props = scene.blenderkit_mat
if uiprops.asset_type == 'TEXTURE':
if not hasattr(scene, 'blenderkit_tex'):
return;
# props = scene.blenderkit_tex
if uiprops.asset_type == 'BRUSH':
if not hasattr(scene, 'blenderkit_brush'):
return;
props = scene.blenderkit_brush
return props
def get_active_asset():
scene = bpy.context.scene
ui_props = scene.blenderkitUI
if ui_props.asset_type == 'MODEL':
if bpy.context.active_object is not None:
ob = get_active_model()
return ob
if ui_props.asset_type == 'SCENE':
return bpy.context.scene
elif ui_props.asset_type == 'MATERIAL':
if bpy.context.active_object is not None and bpy.context.active_object.active_material is not None:
return bpy.context.active_object.active_material
elif ui_props.asset_type == 'TEXTURE':
return None
elif ui_props.asset_type == 'BRUSH':
b = get_active_brush()
if b is not None:
return b
return None
def get_upload_props():
scene = bpy.context.scene
ui_props = scene.blenderkitUI
if ui_props.asset_type == 'MODEL':
if bpy.context.active_object is not None:
ob = get_active_model()
return ob.blenderkit
if ui_props.asset_type == 'SCENE':
s = bpy.context.scene
return s.blenderkit
elif ui_props.asset_type == 'MATERIAL':
if bpy.context.active_object is not None and bpy.context.active_object.active_material is not None:
return bpy.context.active_object.active_material.blenderkit
elif ui_props.asset_type == 'TEXTURE':
return None
elif ui_props.asset_type == 'BRUSH':
b = get_active_brush()
if b is not None:
return b.blenderkit
return None
def previmg_name(index, fullsize=False):
if not fullsize:
return '.bkit_preview_' + str(index).zfill(2)
else:
return '.bkit_preview_full_' + str(index).zfill(2)
def get_active_brush():
context = bpy.context
brush = None
if context.sculpt_object:
brush = context.tool_settings.sculpt.brush
elif context.image_paint_object: # could be just else, but for future possible more types...
brush = context.tool_settings.image_paint.brush
return brush
def load_prefs():
user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
# if user_preferences.api_key == '':
fpath = paths.BLENDERKIT_SETTINGS_FILENAME
if os.path.exists(fpath):
with open(fpath, 'r') as s:
prefs = json.load(s)
user_preferences.api_key = prefs.get('API_key', '')
user_preferences.global_dir = prefs.get('global_dir', paths.default_global_dict())
user_preferences.api_key_refresh = prefs.get('API_key_refresh', '')
def save_prefs(self, context):
# first check context, so we don't do this on registration or blender startup
if not bpy.app.background: #(hasattr kills blender)
user_preferences = bpy.context.preferences.addons['blenderkit'].preferences
# we test the api key for lenght, so not a random accidentaly typed sequence gets saved.
lk = len(user_preferences.api_key)
if 0 < lk < 25:
# reset the api key in case the user writes some nonsense, e.g. a search string instead of the Key
user_preferences.api_key = ''
props = get_search_props()
props.report = 'Login failed. Please paste a correct API Key.'
prefs = {
'API_key': user_preferences.api_key,
'API_key_refresh': user_preferences.api_key_refresh,
'global_dir': user_preferences.global_dir,
}
try:
fpath = paths.BLENDERKIT_SETTINGS_FILENAME
if not os.path.exists(paths._presets):
os.makedirs(paths._presets)
f = open(fpath, 'w')
with open(fpath, 'w') as s:
json.dump(prefs, s)
except Exception as e:
print(e)
def get_hidden_image(tpath, bdata_name, force_reload=False):
hidden_name = '.%s' % bdata_name
img = bpy.data.images.get(hidden_name)
if tpath.startswith('//'):
tpath = bpy.path.abspath(tpath)
gap = '\n\n\n'
en = '\n'
if img == None or (img.filepath != tpath):
if tpath.startswith('//'):
tpath = bpy.path.abspath(tpath)
if not os.path.exists(tpath) or tpath == '':
tpath = paths.get_addon_thumbnail_path('thumbnail_notready.jpg')
if img is None:
img = bpy.data.images.load(tpath)
img.name = hidden_name
else:
if img.filepath != tpath:
if img.packed_file is not None:
img.unpack(method='USE_ORIGINAL')
img.filepath = tpath
img.reload()
elif force_reload:
if img.packed_file is not None:
img.unpack(method='USE_ORIGINAL')
img.reload()
img.colorspace_settings.name = 'Linear'
return img
def get_thumbnail(name):
p = paths.get_addon_thumbnail_path(name)
name = '.%s' % name
img = bpy.data.images.get(name)
if img == None:
img = bpy.data.images.load(p)
img.colorspace_settings.name = 'Linear'
img.name = name
img.name = name
return img
def get_brush_props(context):
brush = get_active_brush()
if brush is not None:
return brush.blenderkit
return None
def p(text, text1='', text2='', text3='', text4='', text5=''):
'''debug printing depending on blender's debug value'''
if bpy.app.debug_value != 0:
print(text, text1, text2, text3, text4, text5)
def pprint(data):
'''pretty print jsons'''
p(json.dumps(data, indent=4, sort_keys=True))
def get_hierarchy(ob):
'''get all objects in a tree'''
obs = []
doobs = [ob]
while len(doobs) > 0:
o = doobs.pop()
doobs.extend(o.children)
obs.append(o)
return obs
def get_bounds_snappable(obs, use_modifiers=False):
# progress('getting bounds of object(s)')
parent = obs[0]
while parent.parent is not None:
parent = parent.parent
maxx = maxy = maxz = -10000000
minx = miny = minz = 10000000
s = bpy.context.scene
obcount = 0 # calculates the mesh obs. Good for non-mesh objects
matrix_parent = parent.matrix_world
for ob in obs:
# bb=ob.bound_box
mw = ob.matrix_world
subp = ob.parent
# while parent.parent is not None:
# mw =
if ob.type == 'MESH' or ob.type == 'CURVE':
# If to_mesh() works we can use it on curves and any other ob type almost.
# disabled to_mesh for 2.8 by now, not wanting to use dependency graph yet.
depsgraph = bpy.context.evaluated_depsgraph_get()
object_eval = ob.evaluated_get(depsgraph)
if ob.type == 'CURVE':
mesh = object_eval.to_mesh()
else:
mesh = object_eval.data
# to_mesh(context.depsgraph, apply_modifiers=self.applyModifiers, calc_undeformed=False)
obcount += 1
for c in mesh.vertices:
coord = c.co
parent_coord = matrix_parent.inverted() @ mw @ Vector(
(coord[0], coord[1], coord[2])) # copy this when it works below.
minx = min(minx, parent_coord.x)
miny = min(miny, parent_coord.y)
minz = min(minz, parent_coord.z)
maxx = max(maxx, parent_coord.x)
maxy = max(maxy, parent_coord.y)
maxz = max(maxz, parent_coord.z)
# bpy.data.meshes.remove(mesh)
if ob.type == 'CURVE':
object_eval.to_mesh_clear()
if obcount == 0:
minx, miny, minz, maxx, maxy, maxz = 0, 0, 0, 0, 0, 0
minx *= parent.scale.x
maxx *= parent.scale.x
miny *= parent.scale.y
maxy *= parent.scale.y
minz *= parent.scale.z
maxz *= parent.scale.z
return minx, miny, minz, maxx, maxy, maxz
def get_bounds_worldspace(obs, use_modifiers=False):
# progress('getting bounds of object(s)')
s = bpy.context.scene
maxx = maxy = maxz = -10000000
minx = miny = minz = 10000000
obcount = 0 # calculates the mesh obs. Good for non-mesh objects
for ob in obs:
# bb=ob.bound_box
mw = ob.matrix_world
if ob.type == 'MESH' or ob.type == 'CURVE':
depsgraph = bpy.context.evaluated_depsgraph_get()
ob_eval = ob.evaluated_get(depsgraph)
mesh = ob_eval.to_mesh()
obcount += 1
for c in mesh.vertices:
coord = c.co
world_coord = mw @ Vector((coord[0], coord[1], coord[2]))
minx = min(minx, world_coord.x)
miny = min(miny, world_coord.y)
minz = min(minz, world_coord.z)
maxx = max(maxx, world_coord.x)
maxy = max(maxy, world_coord.y)
maxz = max(maxz, world_coord.z)
ob_eval.to_mesh_clear()
if obcount == 0:
minx, miny, minz, maxx, maxy, maxz = 0, 0, 0, 0, 0, 0
return minx, miny, minz, maxx, maxy, maxz
def is_linked_asset(ob):
return ob.get('asset_data') and ob.instance_collection != None
def get_dimensions(obs):
minx, miny, minz, maxx, maxy, maxz = get_bounds_snappable(obs)
bbmin = Vector((minx, miny, minz))
bbmax = Vector((maxx, maxy, maxz))
dim = Vector((maxx - minx, maxy - miny, maxz - minz))
return dim, bbmin, bbmax
def requests_post_thread(url, json, headers):
r = requests.post(url, json=json, verify=True, headers=headers)
def get_headers(api_key):
headers = {
"accept": "application/json",
}
if api_key != '':
headers["Authorization"] = "Bearer %s" % api_key
return headers
def scale_2d(v, s, p):
'''scale a 2d vector with a pivot'''
return (p[0] + s[0] * (v[0] - p[0]), p[1] + s[1] * (v[1] - p[1]))
def scale_uvs(ob, scale = 1.0, pivot = Vector((.5,.5))):
mesh = ob.data
if len(mesh.uv_layers)>0:
uv = mesh.uv_layers[mesh.uv_layers.active_index]
# Scale a UV map iterating over its coordinates to a given scale and with a pivot point
for uvindex in range(len(uv.data)):
uv.data[uvindex].uv = scale_2d(uv.data[uvindex].uv, scale, pivot)
# map uv cubic and switch of auto tex space and set it to 1,1,1
def automap(target_object=None, target_slot=None, tex_size=1, bg_exception=False, just_scale = False):
from blenderkit import bg_blender as bg
s = bpy.context.scene
mat_props = s.blenderkit_mat
if mat_props.automap:
tob = bpy.data.objects[target_object]
# only automap mesh models
if tob.type == 'MESH':
actob = bpy.context.active_object
bpy.context.view_layer.objects.active = tob
# auto tex space
if tob.data.use_auto_texspace:
tob.data.use_auto_texspace = False
if not just_scale:
tob.data.texspace_size = (1, 1, 1)
if 'automap' not in tob.data.uv_layers:
bpy.ops.mesh.uv_texture_add()
uvl = tob.data.uv_layers[-1]
uvl.name = 'automap'
# TODO limit this to active material
# tob.data.uv_textures['automap'].active = True
scale = tob.scale.copy()
if target_slot is not None:
tob.active_material_index = target_slot
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='DESELECT')
# this exception is just for a 2.8 background thunmbnailer crash, can be removed when material slot select works...
if bg_exception:
bpy.ops.mesh.select_all(action='SELECT')
else:
bpy.ops.object.material_slot_select()
scale = (scale.x + scale.y + scale.z) / 3.0
if not just_scale:
bpy.ops.uv.cube_project(
cube_size=scale * 2.0 / (tex_size),
correct_aspect=False) # it's * 2.0 because blender can't tell size of a unit cube :)
bpy.ops.object.editmode_toggle()
tob.data.uv_layers.active = tob.data.uv_layers['automap']
tob.data.uv_layers["automap"].active_render = True
# this by now works only for thumbnail preview, but should be extended to work on arbitrary objects.
# by now, it takes the basic uv map = 1 meter. also, it now doeasn't respect more materials on one object,
# it just scales whole UV.
if just_scale:
scale_uvs(tob, scale=Vector((1/tex_size, 1/tex_size)))
bpy.context.view_layer.objects.active = actob
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