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common.py
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import bpy, os, sys, re, numpy, math, pathlib, string, random
import bpy_extras.image_utils
from mathutils import *
from bpy.app.handlers import persistent
BLENDER_28_GROUP_INPUT_HACK = False
MAX_VERTEX_DATA = 8
LAYERGROUP_PREFIX = '~yP Layer '
MASKGROUP_PREFIX = '~yP Mask '
INFO_PREFIX = '__yp_info_'
TREE_START = 'Group Input'
TREE_END = 'Group Output'
ONE_VALUE = 'One Value'
ZERO_VALUE = 'Zero Value'
BAKED_PARALLAX = 'Baked Parallax'
BAKED_PARALLAX_FILTER = 'Baked Parallax Filter'
TEXCOORD = 'Texture Coordinate'
GEOMETRY = 'Geometry'
PARALLAX_PREP_SUFFIX = ' Parallax Preparation'
PARALLAX = 'Parallax'
MOD_TREE_START = '__mod_start'
MOD_TREE_END = '__mod_end'
HEIGHT_MAP = 'Height Map'
START_UV = ' Start UV'
DELTA_UV = ' Delta UV'
CURRENT_UV = ' Current UV'
LAYER_VIEWER = '_Layer Viewer'
LAYER_ALPHA_VIEWER = '_Layer Alpha Viewer'
EMISSION_VIEWER = 'Emission Viewer'
ITERATE_GROUP = '~yP Iterate Parallax Group'
PARALLAX_DIVIDER = 4
FLOW_VCOL = '__flow_'
COLOR_ID_VCOL_NAME = '__yp_color_id'
BUMP_MULTIPLY_TWEAK = 5
def blend_type_items(self, context):
items = [
("MIX", "Mix", ""),
("ADD", "Add", ""),
("SUBTRACT", "Subtract", ""),
("MULTIPLY", "Multiply", ""),
("SCREEN", "Screen", ""),
("OVERLAY", "Overlay", ""),
("DIFFERENCE", "Difference", ""),
("DIVIDE", "Divide", ""),
("DARKEN", "Darken", ""),
("LIGHTEN", "Lighten", ""),
("HUE", "Hue", ""),
("SATURATION", "Saturation", ""),
("VALUE", "Value", ""),
("COLOR", "Color", ""),
("SOFT_LIGHT", "Soft Light", ""),
("LINEAR_LIGHT", "Linear Light", ""),
("DODGE", "Dodge", ""),
("BURN", "Burn", ""),
]
if is_bl_newer_than(3, 5):
items.append(("EXCLUSION", "Exclusion", ""))
return items
blend_type_labels = {
"MIX" : "Mix",
"ADD" : "Add",
"SUBTRACT" : "Subtract",
"MULTIPLY" : "Multiply",
"SCREEN" : "Screen",
"OVERLAY" : "Overlay",
"DIFFERENCE" : "Difference",
"DIVIDE" : "Divide",
"DARKEN" : "Darken",
"LIGHTEN" : "Lighten",
"HUE" : "Hue",
"SATURATION" : "Saturation",
"VALUE" : "Value",
"COLOR" : "Color",
"SOFT_LIGHT" : "Soft Light",
"LINEAR_LIGHT" : "Linear Light",
"DODGE" : "Dodge",
"BURN" : "Burn",
"EXCLUSION" : "Exclusion",
}
def mask_blend_type_items(self, context):
items = [
("MIX", "Replace", ""),
("ADD", "Add", ""),
("SUBTRACT", "Subtract", ""),
("MULTIPLY", "Multiply", ""),
("SCREEN", "Screen", ""),
("OVERLAY", "Overlay", ""),
("DIFFERENCE", "Difference", ""),
("DIVIDE", "Divide", ""),
("DARKEN", "Darken", ""),
("LIGHTEN", "Lighten", ""),
("HUE", "Hue", ""),
("SATURATION", "Saturation", ""),
("VALUE", "Value", ""),
("COLOR", "Color", ""),
("SOFT_LIGHT", "Soft Light", ""),
("LINEAR_LIGHT", "Linear Light", ""),
("DODGE", "Dodge", ""),
("BURN", "Burn", ""),
]
if is_bl_newer_than(3, 5):
items.append(("EXCLUSION", "Exclusion", ""))
return items
voronoi_feature_items = (
("F1", "F1", "Compute and return the distance to the closest feature point as well as its position and color"),
("F2", "F2", "Compute and return the distance to the second closest feature point as well as its position and color."),
("SMOOTH_F1", "Smooth F1", "Compute and return a smooth version of F1."),
("DISTANCE_TO_EDGE", "Distance to Edge", "Compute and return the distance to the edges of the Voronoi cells."),
("N_SPHERE_RADIUS", "N-Sphere Radius", "Compute and return the radius of the n-sphere inscribed in the Voronoi cells. In other words, it is half the distance between the closest feature point and the feature point closest to it.")
)
def entity_input_items(self, context):
yp = self.id_data.yp
entity = self
m = re.match(r'yp\.layers\[(\d+)\]\.channels\[(\d+)\]', entity.path_from_id())
if m: entity = yp.layers[int(m.group(1))]
items = []
if entity.type not in layer_type_labels:
items.append(('RGB', 'RGB', ''))
items.append(('ALPHA', 'Alpha', ''))
else:
label = layer_type_labels[entity.type]
if is_bl_newer_than(2, 81) and entity.type == 'VORONOI':
items.append(('RGB', label + ' Color', ''))
items.append(('ALPHA', label + ' Distance', ''))
elif entity.type == 'GABOR':
items.append(('RGB', label + ' Value', ''))
items.append(('ALPHA', label + ' Phase', ''))
elif entity.type == 'VCOL':
items.append(('RGB', label, ''))
items.append(('ALPHA', label + ' Alpha', ''))
items.append(('R', label + ' Red', ''))
items.append(('G', label + ' Green', ''))
items.append(('B', label + ' Blue', ''))
elif entity.type == 'IMAGE':
items.append(('RGB', label + ' Color', ''))
items.append(('ALPHA', label + ' Alpha', ''))
else:
items.append(('RGB', label + ' Color', ''))
items.append(('ALPHA', label + ' Factor', ''))
return items
COLORID_TOLERANCE = 0.003906 # 1/256
TEMP_UV = '~TL Temp Paint UV'
TANGENT_SIGN_PREFIX = '__tsign_'
neighbor_directions = ['n', 's', 'e', 'w']
normal_blend_items = (
('MIX', 'Mix', ''),
('OVERLAY', 'Add', ''),
('COMPARE', 'Compare Height', '')
)
normal_blend_labels = {
'MIX' : 'Mix',
'OVERLAY' : 'Overlay',
'COMPARE' : 'Compare Height',
}
normal_space_items = (
('TANGENT', 'Tangent Space', 'Tangent space normal mapping'),
('OBJECT', 'Object Space', 'Object space normal mapping'),
('WORLD', 'World Space', 'World space normal mapping'),
('BLENDER_OBJECT', 'Blender Object Space', 'Object space normal mapping, compatible with Blender render baking'),
('BLENDER_WORLD', 'Blender World Space', 'World space normal mapping, compatible with Blender render baking'),
)
height_blend_items = (
('REPLACE', 'Replace', ''),
('COMPARE', 'Compare', ''),
('ADD', 'Add', ''),
)
normal_type_labels = {
'BUMP_MAP' : 'Bump',
'NORMAL_MAP' : 'Normal',
'BUMP_NORMAL_MAP' : 'Bump + Normal',
'VECTOR_DISPLACEMENT_MAP' : 'Vector Displacement',
}
layer_type_items = (
('IMAGE', 'Image', ''),
('BRICK', 'Brick', ''),
('CHECKER', 'Checker', ''),
('GRADIENT', 'Gradient', ''),
('MAGIC', 'Magic', ''),
('MUSGRAVE', 'Musgrave', ''),
('NOISE', 'Noise', ''),
('VORONOI', 'Voronoi', ''),
('WAVE', 'Wave', ''),
('VCOL', 'Vertex Color', ''),
('BACKGROUND', 'Background', ''),
('COLOR', 'Solid Color', ''),
('GROUP', 'Group', ''),
('HEMI', 'Fake Lighting', ''),
('GABOR', 'Gabor', ''),
('EDGE_DETECT', 'Edge Detect', ''),
('AO', 'Ambient Occlusion', ''),
)
mask_type_items = (
('IMAGE', 'Image', ''),
('BRICK', 'Brick', ''),
('CHECKER', 'Checker', ''),
('GRADIENT', 'Gradient', ''),
('MAGIC', 'Magic', ''),
('MUSGRAVE', 'Musgrave', ''),
('NOISE', 'Noise', ''),
('VORONOI', 'Voronoi', ''),
('WAVE', 'Wave', ''),
('VCOL', 'Vertex Color', ''),
('HEMI', 'Fake Lighting', ''),
('OBJECT_INDEX', 'Object Index', ''),
('COLOR_ID', 'Color ID', ''),
('BACKFACE', 'Backface', ''),
('EDGE_DETECT', 'Edge Detect', ''),
('MODIFIER', 'Modifier', ''),
('GABOR', 'Gabor', ''),
('AO', 'Ambient Occlusion', ''),
)
channel_override_type_items = (
('DEFAULT', 'Default', ''),
('IMAGE', 'Image', ''),
('BRICK', 'Brick', ''),
('CHECKER', 'Checker', ''),
('GRADIENT', 'Gradient', ''),
('MAGIC', 'Magic', ''),
('MUSGRAVE', 'Musgrave', ''),
('NOISE', 'Noise', ''),
('VORONOI', 'Voronoi', ''),
('WAVE', 'Wave', ''),
('VCOL', 'Vertex Color', ''),
('GABOR', 'Gabor', ''),
)
# Override 1 will only use default value or image for now
channel_override_1_type_items = (
('DEFAULT', 'Default', ''),
('IMAGE', 'Image', ''),
)
hemi_space_items = (
('WORLD', 'World Space', ''),
('OBJECT', 'Object Space', ''),
('CAMERA', 'Camera Space', ''),
)
layer_type_labels = {
'IMAGE' : 'Image',
'BRICK' : 'Brick',
'CHECKER' : 'Checker',
'GRADIENT' : 'Gradient',
'MAGIC' : 'Magic',
'MUSGRAVE' : 'Musgrave',
'NOISE' : 'Noise',
'VORONOI' : 'Voronoi',
'WAVE' : 'Wave',
'VCOL' : 'Vertex Color',
'BACKGROUND' : 'Background',
'COLOR' : 'Solid Color',
'GROUP' : 'Group',
'HEMI' : 'Fake Lighting',
'GABOR' : 'Gabor',
'EDGE_DETECT' : 'Edge Detect',
'AO' : 'Ambient Occlusion',
}
mask_type_labels = {
'IMAGE' : 'Image',
'BRICK' : 'Brick',
'CHECKER' : 'Checker',
'GRADIENT' : 'Gradient',
'MAGIC' : 'Magic',
'MUSGRAVE' : 'Musgrave',
'NOISE' : 'Noise',
'VORONOI' : 'Voronoi',
'WAVE' : 'Wave',
'VCOL' : 'Vertex Color',
'HEMI' : 'Fake Lighting',
'OBJECT_INDEX' : 'Object Index',
'COLOR_ID' : 'Color ID',
'BACKFACE' : 'Backface',
'EDGE_DETECT' : 'Edge Detect',
'MODIFIER' : 'Modifier',
'GABOR' : 'Gabor',
'AO' : 'Ambient Occlusion',
}
bake_type_items = (
('AO', 'Ambient Occlusion', ''),
('POINTINESS', 'Pointiness', ''),
('CAVITY', 'Cavity', ''),
('DUST', 'Dust', ''),
('PAINT_BASE', 'Paint Base', ''),
('BEVEL_NORMAL', 'Bevel Normal', ''),
('BEVEL_MASK', 'Bevel Grayscale', ''),
('MULTIRES_NORMAL', 'Multires Normal', ''),
('MULTIRES_DISPLACEMENT', 'Multires Displacement', ''),
('OTHER_OBJECT_NORMAL', 'Other Objects Normal', 'Other object\'s normal'),
('OTHER_OBJECT_EMISSION', 'Other Objects Emission', 'Other object\'s emission color'),
('OTHER_OBJECT_CHANNELS', 'Other Objects Channels', 'Other object\'s Ucupaint channels'),
('SELECTED_VERTICES', 'Selected Vertices/Edges/Faces', ''),
('FLOW', 'Flow Map based on straight UVMap', ''),
('OBJECT_SPACE_NORMAL', 'Object Space Normal', ''),
)
image_resolution_items = (
('512', "512", 'Create a 512x512 texture image'),
('1024', "1024", 'Create a 1024x1024 texture image'),
('2048', "2048", 'Create a 2048x2048 texture image'),
('4096', "4096", 'Create a 4096x4096 texture image'),
)
channel_override_labels = {
'DEFAULT' : 'Default',
'IMAGE' : 'Image',
'BRICK' : 'Brick',
'CHECKER' : 'Checker',
'GRADIENT' : 'Gradient',
'MAGIC' : 'Magic',
'MUSGRAVE' : 'Musgrave',
'NOISE' : 'Noise',
'VORONOI' : 'Voronoi',
'WAVE' : 'Wave',
'VCOL' : 'Vertex Color',
'HEMI' : 'Fake Lighting',
'GABOR' : 'Gabor',
}
bake_type_labels = {
'AO' : 'Ambient Occlusion',
'POINTINESS': 'Pointiness',
'CAVITY': 'Cavity',
'DUST': 'Dust',
'PAINT_BASE': 'Paint Base',
'BEVEL_NORMAL': 'Bevel Normal',
'BEVEL_MASK': 'Bevel Grayscale',
'MULTIRES_NORMAL': 'Multires Normal',
'MULTIRES_DISPLACEMENT': 'Multires Displacement',
'OTHER_OBJECT_NORMAL': 'Other Objects Normal',
'OTHER_OBJECT_EMISSION': 'Other Objects Emission',
'OTHER_OBJECT_CHANNELS': 'Other Objects Channels',
'SELECTED_VERTICES': 'Selected Vertices',
'FLOW': 'Flow',
'OBJECT_SPACE_NORMAL' : 'Object Space Normal'
}
bake_type_suffixes = {
'AO' : 'AO',
'POINTINESS': 'Pointiness',
'CAVITY': 'Cavity',
'DUST': 'Dust',
'PAINT_BASE': 'Paint Base',
'BEVEL_NORMAL': 'Bevel Normal',
'BEVEL_MASK': 'Bevel Grayscale',
'MULTIRES_NORMAL': 'Normal Multires',
'MULTIRES_DISPLACEMENT': 'Displacement Multires',
'OTHER_OBJECT_NORMAL': 'OO Normal',
'OTHER_OBJECT_EMISSION': 'OO Emission',
'OTHER_OBJECT_CHANNELS': 'OO Channel',
'SELECTED_VERTICES': 'Selected Vertices',
'FLOW': 'Flow',
'OBJECT_SPACE_NORMAL' : 'Object Space Normal'
}
texcoord_lists = [
'Generated',
'Normal',
#'UV',
'Object',
'Camera',
'Window',
'Reflection',
]
texcoord_type_items = (
('Generated', 'Generated', ''),
('Normal', 'Normal', ''),
('UV', 'UV', ''),
('Object', 'Object', ''),
('Camera', 'Camera', ''),
('Window', 'Window', ''),
('Reflection', 'Reflection', ''),
('Decal', 'Decal', ''),
)
mask_texcoord_type_items = (
('Generated', 'Generated', ''),
('Normal', 'Normal', ''),
('UV', 'UV', ''),
('Object', 'Object', ''),
('Camera', 'Camera', ''),
('Window', 'Window', ''),
('Reflection', 'Reflection', ''),
('Decal', 'Decal', ''),
('Layer', 'Use Layer Vector', ''),
)
interpolation_type_items = (
('Linear', 'Linear', 'Linear interpolation.'),
('Closest', 'Closest', 'No interpolation (sample closest texel).'),
('Cubic', 'Cubic', 'Cubic interpolation.'),
)
channel_socket_input_bl_idnames = {
'RGB': 'NodeSocketColor',
'VALUE': 'NodeSocketFloatFactor',
'NORMAL': 'NodeSocketVector',
}
channel_socket_output_bl_idnames = {
'RGB': 'NodeSocketColor',
'VALUE': 'NodeSocketFloat',
'NORMAL': 'NodeSocketVector',
}
possible_object_types = {
'MESH',
'META',
'CURVE',
'CURVES',
'SURFACE',
'FONT'
}
texture_node_types = {
'TEX_IMAGE',
'TEX_BRICK',
'TEX_ENVIRONMENT',
'TEX_CHECKER',
'TEX_GRADIENT',
'TEX_MAGIC',
'TEX_MUSGRAVE',
'TEX_NOISE',
'TEX_POINTDENSITY',
'TEX_SKY',
'TEX_VORONOI',
'TEX_WAVE',
}
layer_node_bl_idnames = {
'IMAGE' : 'ShaderNodeTexImage',
'ENVIRONMENT' : 'ShaderNodeTexEnvironment',
'BRICK' : 'ShaderNodeTexBrick',
'CHECKER' : 'ShaderNodeTexChecker',
'GRADIENT' : 'ShaderNodeTexGradient',
'MAGIC' : 'ShaderNodeTexMagic',
'MUSGRAVE' : 'ShaderNodeTexMusgrave',
'NOISE' : 'ShaderNodeTexNoise',
'POINT_DENSITY' : 'ShaderNodeTexPointDensity',
'SKY' : 'ShaderNodeTexSky',
'VORONOI' : 'ShaderNodeTexVoronoi',
'WAVE' : 'ShaderNodeTexWave',
'VCOL' : 'ShaderNodeAttribute',
'BACKGROUND' : 'NodeGroupInput',
'COLOR' : 'ShaderNodeRGB',
'GROUP' : 'NodeGroupInput',
'HEMI' : 'ShaderNodeGroup',
'OBJECT_INDEX' : 'ShaderNodeGroup',
'COLOR_ID' : 'ShaderNodeGroup',
'BACKFACE' : 'ShaderNodeNewGeometry',
'EDGE_DETECT' : 'ShaderNodeGroup',
'GABOR' : 'ShaderNodeTexGabor',
'MODIFIER' : 'ShaderNodeGroup',
'AO' : 'ShaderNodeAmbientOcclusion',
}
io_suffix = {
'GROUP' : ' Group',
'BACKGROUND' : ' Background',
'ALPHA' : ' Alpha',
'DISPLACEMENT' : ' Displacement',
'HEIGHT' : ' Height',
'MAX_HEIGHT' : ' Max Height',
'VDISP' : ' Vector Displacement',
'HEIGHT_ONS' : ' Height ONS',
'HEIGHT_EW' : ' Height EW',
'UV' : ' UV',
'TANGENT' : ' Tangent',
'BITANGENT' : ' Bitangent',
'HEIGHT_N' : ' Height N',
'HEIGHT_S' : ' Height S',
'HEIGHT_E' : ' Height E',
'HEIGHT_W' : ' Height W',
}
io_names = {
'Generated' : 'Texcoord Generated',
'Object' : 'Texcoord Object',
'Normal' : 'Texcoord Normal',
'Camera' : 'Texcoord Camera',
'Window' : 'Texcoord Window',
'Reflection' : 'Texcoord Reflection',
'Decal' : 'Texcoord Object',
}
math_method_items = (
("ADD", "Add", ""),
("SUBTRACT", "Subtract", ""),
("MULTIPLY", "Multiply", ""),
("DIVIDE", "Divide", ""),
("POWER", "Power", ""),
("LOGARITHM", "Logarithm", ""),
)
vcol_domain_items = (
('POINT', 'Vertex', ''),
('CORNER', 'Face Corner', ''),
)
vcol_data_type_items = (
('FLOAT_COLOR', 'Color', ''),
('BYTE_COLOR', 'Byte Color', ''),
)
limited_mask_blend_types = {
'ADD',
'DIVIDE',
'SCREEN',
'MIX',
'DIFFERENCE',
'LIGHTEN',
'VALUE',
'LINEAR_LIGHT',
}
eraser_names = {
'TEXTURE_PAINT' : 'Eraser Tex',
'VERTEX_PAINT' : 'Eraser Vcol',
'SCULPT' : 'Eraser Paint',
}
tex_eraser_asset_names = [
'Erase Hard',
'Erase Hard Pressure',
'Erase Soft'
]
rgba_letters = ['r', 'g', 'b', 'a']
nsew_letters = ['n', 's', 'e', 'w']
TEXCOORD_IO_PREFIX = 'Texcoord '
PARALLAX_MIX_PREFIX = 'Parallax Mix '
PARALLAX_DELTA_PREFIX = 'Parallax Delta '
PARALLAX_CURRENT_PREFIX = 'Parallax Current '
PARALLAX_CURRENT_MIX_PREFIX = 'Parallax Current Mix '
CACHE_TANGENT_IMAGE_SUFFIX = '_YP_CACHE_TANGENT'
CACHE_BITANGENT_IMAGE_SUFFIX = '_YP_CACHE_BITANGENT'
GAMMA = 2.2
valid_image_extensions = [".jpg",".gif",".png",".tga", ".jpeg", ".mp4", ".webp"]
class dotdict(dict):
"""dot.notation access to dictionary attributes"""
__getattr__ = dict.get
__setattr__ = dict.__setitem__
__delattr__ = dict.__delitem__
def version_tuple(version_string):
return tuple(map(int, version_string.split('.'))) if version_string != '' else (0, 0, 0)
def get_manifest():
import tomllib
# Load manifest file
with open(get_addon_filepath() + 'blender_manifest.toml', 'rb') as f:
manifest = tomllib.load(f)
return manifest
def get_addon_name():
return os.path.basename(os.path.dirname(bpy.path.abspath(__file__)))
def get_addon_title():
if not is_bl_newer_than(4, 2):
bl_info = sys.modules[get_addon_name()].bl_info
return bl_info['name']
manifest = get_manifest()
return manifest['name']
def get_addon_warning():
if not is_bl_newer_than(4, 2):
bl_info = sys.modules[get_addon_name()].bl_info
return bl_info['warning']
return ''
def get_alpha_suffix():
if not is_bl_newer_than(4, 2):
bl_info = sys.modules[get_addon_name()].bl_info
if 'Alpha' in bl_info['warning']:
return ' Alpha'
elif 'Beta' in bl_info['warning']:
return ' Beta'
return ''
def get_current_version_str():
if not is_bl_newer_than(4, 2):
bl_info = sys.modules[get_addon_name()].bl_info
return str(bl_info['version']).replace(', ', '.').replace('(','').replace(')','')
manifest = get_manifest()
return manifest['version']
def get_current_blender_version_str():
return str(bpy.app.version).replace(', ', '.').replace('(','').replace(')','')
def get_current_version():
if not is_bl_newer_than(4, 2):
bl_info = sys.modules[get_addon_name()].bl_info
return bl_info['version']
manifest = get_manifest()
return tuple(map(int, manifest['version'].split('.')))
def is_online():
return not is_bl_newer_than(4, 2) or bpy.app.online_access
def is_bl_newer_than(major, minor=0, patch=0):
return bpy.app.version >= (major, minor, patch)
def is_bl_equal(major, minor=None, patch=None):
if minor == None and patch == None:
return bpy.app.version[0] == major
elif patch == None:
return bpy.app.version[:2] == (major, minor)
else:
return bpy.app.version == (major, minor, patch)
def is_created_before(major, minor=0, patch=0):
return bpy.data.version < (major, minor, patch)
def get_bpytypes():
if not is_bl_newer_than(2, 77):
import bpy_types
return bpy_types.bpy_types
return bpy.types
def get_srgb_name():
names = bpy.types.Image.bl_rna.properties['colorspace_settings'].fixed_type.properties['name'].enum_items.keys()
if 'sRGB' not in names:
# Try 'srgb' prefix
for name in names:
if name.lower().startswith('srgb'):
return name
# Check srgb name by creating new 8-bit image
ypprops = bpy.context.window_manager.ypprops
if ypprops.custom_srgb_name == '':
temp_image = bpy.data.images.new('temmmmp', width=1, height=1, alpha=False, float_buffer=False)
ypprops.custom_srgb_name = temp_image.colorspace_settings.name
remove_datablock(bpy.data.images, temp_image)
return ypprops.custom_srgb_name
return 'sRGB'
def get_noncolor_name():
names = bpy.types.Image.bl_rna.properties['colorspace_settings'].fixed_type.properties['name'].enum_items.keys()
if 'Non-Color' not in names:
# Try 'raw' name
for name in names:
if name.lower() == 'raw':
return name
# Check non-color name by creating new float image
ypprops = bpy.context.window_manager.ypprops
if ypprops.custom_noncolor_name == '':
temp_image = bpy.data.images.new('temmmmp', width=1, height=1, alpha=False, float_buffer=True)
ypprops.custom_noncolor_name = temp_image.colorspace_settings.name
remove_datablock(bpy.data.images, temp_image)
return ypprops.custom_noncolor_name
return 'Non-Color'
def remove_datablock(blocks, block, user=None, user_prop=''):
if is_bl_newer_than(2, 79):
blocks.remove(block)
elif is_bl_newer_than(2, 78):
blocks.remove(block, do_unlink=True)
else:
if user and user_prop != '':
setattr(user, user_prop, None)
if blocks == bpy.data.objects:
# Need to remove object from scene first
objs = get_scene_objects()
if block.name in objs:
objs.unlink(block)
block.user_clear()
blocks.remove(block)
def set_active_object(obj):
if is_bl_newer_than(2, 80):
try: bpy.context.view_layer.objects.active = obj
except: print('EXCEPTIION: Cannot set active object!')
else: bpy.context.scene.objects.active = obj
def link_object(scene, obj, custom_collection=None):
if is_bl_newer_than(2, 80):
if custom_collection:
custom_collection.objects.link(obj)
else: scene.collection.objects.link(obj)
else: scene.objects.link(obj)
def get_object_select(obj):
if is_bl_newer_than(2, 80):
try: return obj.select_get()
except: return False
else: return obj.select
def set_object_select(obj, val):
if is_bl_newer_than(2, 80):
obj.select_set(val)
else: obj.select = val
def set_object_hide(obj, val):
if is_bl_newer_than(2, 80):
obj.hide_set(val)
else: obj.hide = val
def get_scene_objects():
if is_bl_newer_than(2, 80):
return bpy.context.view_layer.objects
else: return bpy.context.scene.objects
def remove_mesh_obj(obj):
data = obj.data
remove_datablock(bpy.data.objects, obj)
remove_datablock(bpy.data.meshes, data)
def get_viewport_shade():
if is_bl_newer_than(2, 80):
return bpy.context.area.spaces[0].shading.type
else: return bpy.context.area.spaces[0].viewport_shade
def get_user_preferences():
if is_bl_newer_than(2, 80):
return bpy.context.preferences.addons[__package__].preferences
return bpy.context.user_preferences.addons[__package__].preferences
def get_operator_description(operator):
if hasattr(operator, 'bl_description'):
description = operator.bl_description
elif hasattr(operator, 'bl_label'):
description = operator.bl_label
else:
return ''
return description + ". Hold Shift for options" if get_user_preferences().skip_property_popups else ""
def get_all_layer_collections(arr, col):
if col not in arr:
arr.append(col)
for c in col.children:
arr = get_all_layer_collections(arr, c)
return arr
def get_object_parent_layer_collections(arr, col, obj):
for o in col.collection.objects:
if o == obj:
if col not in arr: arr.append(col)
if not arr:
for c in col.children:
get_object_parent_layer_collections(arr, c, obj)
if arr: break
if arr:
if col not in arr: arr.append(col)
return arr
def get_node_input_index(node, inp):
index = -1
try: index = [i for i, s in enumerate(node.inputs) if s == inp][0]
except Exception as e: print(e)
return index
def get_active_material(obj=None):
scene = bpy.context.scene
engine = scene.render.engine
if not obj:
if hasattr(bpy.context, 'object'):
obj = bpy.context.object
elif is_bl_newer_than(2, 80):
obj = bpy.context.view_layer.objects.active
if not obj: return None
mat = obj.active_material
if engine in {'BLENDER_RENDER', 'BLENDER_GAME'}:
return None
return mat
def get_material_output(mat):
if mat != None and mat.node_tree:
output = [n for n in mat.node_tree.nodes if n.type == 'OUTPUT_MATERIAL' and n.is_active_output]
if output: return output[0]
return None
def get_list_of_ypaint_nodes(mat):
if not mat.node_tree: return []
yp_nodes = []
for node in mat.node_tree.nodes:
if node.type == 'GROUP' and node.node_tree.yp.is_ypaint_node:
yp_nodes.append(node)
return yp_nodes
def in_active_279_layer(obj):
scene = bpy.context.scene
space = bpy.context.space_data
if space.type == 'VIEW_3D' and space.local_view:
return any([layer for layer in obj.layers_local_view if layer])
else:
return any([layer for i, layer in enumerate(obj.layers) if layer and scene.layers[i]])
def in_renderable_layer_collection(obj):
if is_bl_newer_than(2, 80):
layer_cols = get_object_parent_layer_collections([], bpy.context.view_layer.layer_collection, obj)
if any([lc for lc in layer_cols if lc.collection.hide_render]): return False
return True
else:
return in_active_279_layer(obj)
def is_layer_collection_hidden(obj):
layer_cols = get_object_parent_layer_collections([], bpy.context.view_layer.layer_collection, obj)
if any([lc for lc in layer_cols if lc.collection.hide_viewport]): return True
if any([lc for lc in layer_cols if lc.hide_viewport]): return True
return False
def get_addon_filepath():
return os.path.dirname(bpy.path.abspath(__file__)) + os.sep
def srgb_to_linear_per_element(e):
if e <= 0.03928:
return e / 12.92
else:
return pow((e + 0.055) / 1.055, 2.4)
def linear_to_srgb_per_element(e):
if e > 0.0031308:
return 1.055 * (pow(e, (1.0 / 2.4))) - 0.055
else:
return 12.92 * e
def srgb_to_linear(inp):
if type(inp) == float:
return srgb_to_linear_per_element(inp)
elif type(inp) == Color:
c = inp.copy()
for i in range(3):
c[i] = srgb_to_linear_per_element(c[i])
return c
def linear_to_srgb(inp):
if type(inp) == float:
return linear_to_srgb_per_element(inp)
elif type(inp) == Color:
c = inp.copy()
for i in range(3):
c[i] = linear_to_srgb_per_element(c[i])
return c
def divide_round_i(a, b):
return (2 * a + b) / (2 * b)
def blend_color_mix_byte(src1, src2, intensity1=1.0, intensity2=1.0):
dst = [0.0, 0.0, 0.0, 0.0]
c1 = list(src1)
c2 = list(src2)
c1[3] *= intensity1
c2[3] *= intensity2
if c2[3] != 0.0:
# Multiply first by 255
for i in range(4):
c1[i] *= 255
c2[i] *= 255
# Straight over operation
t = c2[3]
mt = 255 - t
tmp = [0.0, 0.0, 0.0, 0.0]
tmp[0] = (mt * c1[3] * c1[0]) + (t * 255 * c2[0])
tmp[1] = (mt * c1[3] * c1[1]) + (t * 255 * c2[1])
tmp[2] = (mt * c1[3] * c1[2]) + (t * 255 * c2[2])
tmp[3] = (mt * c1[3]) + (t * 255)
dst[0] = divide_round_i(tmp[0], tmp[3])
dst[1] = divide_round_i(tmp[1], tmp[3])
dst[2] = divide_round_i(tmp[2], tmp[3])
dst[3] = divide_round_i(tmp[3], 255)
# Divide it back
for i in range(4):
dst[i] /= 255
else :
# No op
dst[0] = c1[0]
dst[1] = c1[1]
dst[2] = c1[2]
dst[3] = c1[3]
return dst
def copy_id_props(source, dest, extras=[], reverse=False):
bpytypes = get_bpytypes()
props = dir(source)
filters = ['bl_rna', 'rna_type']
filters.extend(extras)
if reverse: props.reverse()
for prop in props:
if prop.startswith('__'): continue
if prop in filters: continue
#if hasattr(prop, 'is_readonly'): continue
try: val = getattr(source, prop)