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node_wrangler.py
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# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Node Wrangler",
"author": "Bartek Skorupa, Greg Zaal, Sebastian Koenig, Christian Brinkmann, Florian Meyer",
"version": (3, 41),
"blender": (2, 93, 0),
"location": "Node Editor Toolbar or Shift-W",
"description": "Various tools to enhance and speed up node-based workflow",
"warning": "",
"doc_url": "{BLENDER_MANUAL_URL}/addons/node/node_wrangler.html",
"category": "Node",
}
import bpy, blf, bgl
import gpu
from bpy.types import Operator, Panel, Menu
from bpy.props import (
FloatProperty,
EnumProperty,
BoolProperty,
IntProperty,
StringProperty,
FloatVectorProperty,
CollectionProperty,
)
from bpy_extras.io_utils import ImportHelper, ExportHelper
from gpu_extras.batch import batch_for_shader
from mathutils import Vector
from nodeitems_utils import node_categories_iter, NodeItemCustom
from math import cos, sin, pi, hypot
from os import path
from glob import glob
from copy import copy
from itertools import chain
import re
from collections import namedtuple
#################
# rl_outputs:
# list of outputs of Input Render Layer
# with attributes determining if pass is used,
# and MultiLayer EXR outputs names and corresponding render engines
#
# rl_outputs entry = (render_pass, rl_output_name, exr_output_name, in_eevee, in_cycles)
RL_entry = namedtuple('RL_Entry', ['render_pass', 'output_name', 'exr_output_name', 'in_eevee', 'in_cycles'])
rl_outputs = (
RL_entry('use_pass_ambient_occlusion', 'AO', 'AO', True, True),
RL_entry('use_pass_combined', 'Image', 'Combined', True, True),
RL_entry('use_pass_diffuse_color', 'Diffuse Color', 'DiffCol', False, True),
RL_entry('use_pass_diffuse_direct', 'Diffuse Direct', 'DiffDir', False, True),
RL_entry('use_pass_diffuse_indirect', 'Diffuse Indirect', 'DiffInd', False, True),
RL_entry('use_pass_emit', 'Emit', 'Emit', False, True),
RL_entry('use_pass_environment', 'Environment', 'Env', False, False),
RL_entry('use_pass_glossy_color', 'Glossy Color', 'GlossCol', False, True),
RL_entry('use_pass_glossy_direct', 'Glossy Direct', 'GlossDir', False, True),
RL_entry('use_pass_glossy_indirect', 'Glossy Indirect', 'GlossInd', False, True),
RL_entry('use_pass_indirect', 'Indirect', 'Indirect', False, False),
RL_entry('use_pass_material_index', 'IndexMA', 'IndexMA', False, True),
RL_entry('use_pass_mist', 'Mist', 'Mist', True, True),
RL_entry('use_pass_normal', 'Normal', 'Normal', True, True),
RL_entry('use_pass_object_index', 'IndexOB', 'IndexOB', False, True),
RL_entry('use_pass_shadow', 'Shadow', 'Shadow', False, True),
RL_entry('use_pass_subsurface_color', 'Subsurface Color', 'SubsurfaceCol', True, True),
RL_entry('use_pass_subsurface_direct', 'Subsurface Direct', 'SubsurfaceDir', True, True),
RL_entry('use_pass_subsurface_indirect', 'Subsurface Indirect', 'SubsurfaceInd', False, True),
RL_entry('use_pass_transmission_color', 'Transmission Color', 'TransCol', False, True),
RL_entry('use_pass_transmission_direct', 'Transmission Direct', 'TransDir', False, True),
RL_entry('use_pass_transmission_indirect', 'Transmission Indirect', 'TransInd', False, True),
RL_entry('use_pass_uv', 'UV', 'UV', True, True),
RL_entry('use_pass_vector', 'Speed', 'Vector', False, True),
RL_entry('use_pass_z', 'Z', 'Depth', True, True),
)
# list of blend types of "Mix" nodes in a form that can be used as 'items' for EnumProperty.
# used list, not tuple for easy merging with other lists.
blend_types = [
('MIX', 'Mix', 'Mix Mode'),
('ADD', 'Add', 'Add Mode'),
('MULTIPLY', 'Multiply', 'Multiply Mode'),
('SUBTRACT', 'Subtract', 'Subtract Mode'),
('SCREEN', 'Screen', 'Screen Mode'),
('DIVIDE', 'Divide', 'Divide Mode'),
('DIFFERENCE', 'Difference', 'Difference Mode'),
('DARKEN', 'Darken', 'Darken Mode'),
('LIGHTEN', 'Lighten', 'Lighten Mode'),
('OVERLAY', 'Overlay', 'Overlay Mode'),
('DODGE', 'Dodge', 'Dodge Mode'),
('BURN', 'Burn', 'Burn Mode'),
('HUE', 'Hue', 'Hue Mode'),
('SATURATION', 'Saturation', 'Saturation Mode'),
('VALUE', 'Value', 'Value Mode'),
('COLOR', 'Color', 'Color Mode'),
('SOFT_LIGHT', 'Soft Light', 'Soft Light Mode'),
('LINEAR_LIGHT', 'Linear Light', 'Linear Light Mode'),
]
# list of operations of "Math" nodes in a form that can be used as 'items' for EnumProperty.
# used list, not tuple for easy merging with other lists.
operations = [
('ADD', 'Add', 'Add Mode'),
('SUBTRACT', 'Subtract', 'Subtract Mode'),
('MULTIPLY', 'Multiply', 'Multiply Mode'),
('DIVIDE', 'Divide', 'Divide Mode'),
('MULTIPLY_ADD', 'Multiply Add', 'Multiply Add Mode'),
('SINE', 'Sine', 'Sine Mode'),
('COSINE', 'Cosine', 'Cosine Mode'),
('TANGENT', 'Tangent', 'Tangent Mode'),
('ARCSINE', 'Arcsine', 'Arcsine Mode'),
('ARCCOSINE', 'Arccosine', 'Arccosine Mode'),
('ARCTANGENT', 'Arctangent', 'Arctangent Mode'),
('ARCTAN2', 'Arctan2', 'Arctan2 Mode'),
('SINH', 'Hyperbolic Sine', 'Hyperbolic Sine Mode'),
('COSH', 'Hyperbolic Cosine', 'Hyperbolic Cosine Mode'),
('TANH', 'Hyperbolic Tangent', 'Hyperbolic Tangent Mode'),
('POWER', 'Power', 'Power Mode'),
('LOGARITHM', 'Logarithm', 'Logarithm Mode'),
('SQRT', 'Square Root', 'Square Root Mode'),
('INVERSE_SQRT', 'Inverse Square Root', 'Inverse Square Root Mode'),
('EXPONENT', 'Exponent', 'Exponent Mode'),
('MINIMUM', 'Minimum', 'Minimum Mode'),
('MAXIMUM', 'Maximum', 'Maximum Mode'),
('LESS_THAN', 'Less Than', 'Less Than Mode'),
('GREATER_THAN', 'Greater Than', 'Greater Than Mode'),
('SIGN', 'Sign', 'Sign Mode'),
('COMPARE', 'Compare', 'Compare Mode'),
('SMOOTH_MIN', 'Smooth Minimum', 'Smooth Minimum Mode'),
('SMOOTH_MAX', 'Smooth Maximum', 'Smooth Maximum Mode'),
('FRACT', 'Fraction', 'Fraction Mode'),
('MODULO', 'Modulo', 'Modulo Mode'),
('SNAP', 'Snap', 'Snap Mode'),
('WRAP', 'Wrap', 'Wrap Mode'),
('PINGPONG', 'Pingpong', 'Pingpong Mode'),
('ABSOLUTE', 'Absolute', 'Absolute Mode'),
('ROUND', 'Round', 'Round Mode'),
('FLOOR', 'Floor', 'Floor Mode'),
('CEIL', 'Ceil', 'Ceil Mode'),
('TRUNCATE', 'Truncate', 'Truncate Mode'),
('RADIANS', 'To Radians', 'To Radians Mode'),
('DEGREES', 'To Degrees', 'To Degrees Mode'),
]
# Operations used by the geometry boolean node and join geometry node
geo_combine_operations = [
('JOIN', 'Join Geometry', 'Join Geometry Mode'),
('INTERSECT', 'Intersect', 'Intersect Mode'),
('UNION', 'Union', 'Union Mode'),
('DIFFERENCE', 'Difference', 'Difference Mode'),
]
# in NWBatchChangeNodes additional types/operations. Can be used as 'items' for EnumProperty.
# used list, not tuple for easy merging with other lists.
navs = [
('CURRENT', 'Current', 'Leave at current state'),
('NEXT', 'Next', 'Next blend type/operation'),
('PREV', 'Prev', 'Previous blend type/operation'),
]
draw_color_sets = {
"red_white": (
(1.0, 1.0, 1.0, 0.7),
(1.0, 0.0, 0.0, 0.7),
(0.8, 0.2, 0.2, 1.0)
),
"green": (
(0.0, 0.0, 0.0, 1.0),
(0.38, 0.77, 0.38, 1.0),
(0.38, 0.77, 0.38, 1.0)
),
"yellow": (
(0.0, 0.0, 0.0, 1.0),
(0.77, 0.77, 0.16, 1.0),
(0.77, 0.77, 0.16, 1.0)
),
"purple": (
(0.0, 0.0, 0.0, 1.0),
(0.38, 0.38, 0.77, 1.0),
(0.38, 0.38, 0.77, 1.0)
),
"grey": (
(0.0, 0.0, 0.0, 1.0),
(0.63, 0.63, 0.63, 1.0),
(0.63, 0.63, 0.63, 1.0)
),
"black": (
(1.0, 1.0, 1.0, 0.7),
(0.0, 0.0, 0.0, 0.7),
(0.2, 0.2, 0.2, 1.0)
)
}
viewer_socket_name = "tmp_viewer"
def get_nodes_from_category(category_name, context):
for category in node_categories_iter(context):
if category.name == category_name:
return sorted(category.items(context), key=lambda node: node.label)
def get_first_enabled_output(node):
for output in node.outputs:
if output.enabled:
return output
else:
return node.outputs[0]
def is_visible_socket(socket):
return not socket.hide and socket.enabled and socket.type != 'CUSTOM'
def nice_hotkey_name(punc):
# convert the ugly string name into the actual character
nice_name = {
'LEFTMOUSE': "LMB",
'MIDDLEMOUSE': "MMB",
'RIGHTMOUSE': "RMB",
'WHEELUPMOUSE': "Wheel Up",
'WHEELDOWNMOUSE': "Wheel Down",
'WHEELINMOUSE': "Wheel In",
'WHEELOUTMOUSE': "Wheel Out",
'ZERO': "0",
'ONE': "1",
'TWO': "2",
'THREE': "3",
'FOUR': "4",
'FIVE': "5",
'SIX': "6",
'SEVEN': "7",
'EIGHT': "8",
'NINE': "9",
'OSKEY': "Super",
'RET': "Enter",
'LINE_FEED': "Enter",
'SEMI_COLON': ";",
'PERIOD': ".",
'COMMA': ",",
'QUOTE': '"',
'MINUS': "-",
'SLASH': "/",
'BACK_SLASH': "\\",
'EQUAL': "=",
'NUMPAD_1': "Numpad 1",
'NUMPAD_2': "Numpad 2",
'NUMPAD_3': "Numpad 3",
'NUMPAD_4': "Numpad 4",
'NUMPAD_5': "Numpad 5",
'NUMPAD_6': "Numpad 6",
'NUMPAD_7': "Numpad 7",
'NUMPAD_8': "Numpad 8",
'NUMPAD_9': "Numpad 9",
'NUMPAD_0': "Numpad 0",
'NUMPAD_PERIOD': "Numpad .",
'NUMPAD_SLASH': "Numpad /",
'NUMPAD_ASTERIX': "Numpad *",
'NUMPAD_MINUS': "Numpad -",
'NUMPAD_ENTER': "Numpad Enter",
'NUMPAD_PLUS': "Numpad +",
}
try:
return nice_name[punc]
except KeyError:
return punc.replace("_", " ").title()
def force_update(context):
context.space_data.node_tree.update_tag()
def dpifac():
prefs = bpy.context.preferences.system
return prefs.dpi * prefs.pixel_size / 72
def node_mid_pt(node, axis):
if axis == 'x':
d = node.location.x + (node.dimensions.x / 2)
elif axis == 'y':
d = node.location.y - (node.dimensions.y / 2)
else:
d = 0
return d
def autolink(node1, node2, links):
link_made = False
available_inputs = [inp for inp in node2.inputs if inp.enabled]
available_outputs = [outp for outp in node1.outputs if outp.enabled]
for outp in available_outputs:
for inp in available_inputs:
if not inp.is_linked and inp.name == outp.name:
link_made = True
links.new(outp, inp)
return True
for outp in available_outputs:
for inp in available_inputs:
if not inp.is_linked and inp.type == outp.type:
link_made = True
links.new(outp, inp)
return True
# force some connection even if the type doesn't match
if available_outputs:
for inp in available_inputs:
if not inp.is_linked:
link_made = True
links.new(available_outputs[0], inp)
return True
# even if no sockets are open, force one of matching type
for outp in available_outputs:
for inp in available_inputs:
if inp.type == outp.type:
link_made = True
links.new(outp, inp)
return True
# do something!
for outp in available_outputs:
for inp in available_inputs:
link_made = True
links.new(outp, inp)
return True
print("Could not make a link from " + node1.name + " to " + node2.name)
return link_made
def abs_node_location(node):
abs_location = node.location
if node.parent is None:
return abs_location
return abs_location + abs_node_location(node.parent)
def node_at_pos(nodes, context, event):
nodes_under_mouse = []
target_node = None
store_mouse_cursor(context, event)
x, y = context.space_data.cursor_location
# Make a list of each corner (and middle of border) for each node.
# Will be sorted to find nearest point and thus nearest node
node_points_with_dist = []
for node in nodes:
skipnode = False
if node.type != 'FRAME': # no point trying to link to a frame node
dimx = node.dimensions.x/dpifac()
dimy = node.dimensions.y/dpifac()
locx, locy = abs_node_location(node)
if not skipnode:
node_points_with_dist.append([node, hypot(x - locx, y - locy)]) # Top Left
node_points_with_dist.append([node, hypot(x - (locx + dimx), y - locy)]) # Top Right
node_points_with_dist.append([node, hypot(x - locx, y - (locy - dimy))]) # Bottom Left
node_points_with_dist.append([node, hypot(x - (locx + dimx), y - (locy - dimy))]) # Bottom Right
node_points_with_dist.append([node, hypot(x - (locx + (dimx / 2)), y - locy)]) # Mid Top
node_points_with_dist.append([node, hypot(x - (locx + (dimx / 2)), y - (locy - dimy))]) # Mid Bottom
node_points_with_dist.append([node, hypot(x - locx, y - (locy - (dimy / 2)))]) # Mid Left
node_points_with_dist.append([node, hypot(x - (locx + dimx), y - (locy - (dimy / 2)))]) # Mid Right
nearest_node = sorted(node_points_with_dist, key=lambda k: k[1])[0][0]
for node in nodes:
if node.type != 'FRAME' and skipnode == False:
locx, locy = abs_node_location(node)
dimx = node.dimensions.x/dpifac()
dimy = node.dimensions.y/dpifac()
if (locx <= x <= locx + dimx) and \
(locy - dimy <= y <= locy):
nodes_under_mouse.append(node)
if len(nodes_under_mouse) == 1:
if nodes_under_mouse[0] != nearest_node:
target_node = nodes_under_mouse[0] # use the node under the mouse if there is one and only one
else:
target_node = nearest_node # else use the nearest node
else:
target_node = nearest_node
return target_node
def store_mouse_cursor(context, event):
space = context.space_data
v2d = context.region.view2d
tree = space.edit_tree
# convert mouse position to the View2D for later node placement
if context.region.type == 'WINDOW':
space.cursor_location_from_region(event.mouse_region_x, event.mouse_region_y)
else:
space.cursor_location = tree.view_center
def draw_line(x1, y1, x2, y2, size, colour=(1.0, 1.0, 1.0, 0.7)):
shader = gpu.shader.from_builtin('2D_SMOOTH_COLOR')
vertices = ((x1, y1), (x2, y2))
vertex_colors = ((colour[0]+(1.0-colour[0])/4,
colour[1]+(1.0-colour[1])/4,
colour[2]+(1.0-colour[2])/4,
colour[3]+(1.0-colour[3])/4),
colour)
batch = batch_for_shader(shader, 'LINE_STRIP', {"pos": vertices, "color": vertex_colors})
bgl.glLineWidth(size * dpifac())
shader.bind()
batch.draw(shader)
def draw_circle_2d_filled(shader, mx, my, radius, colour=(1.0, 1.0, 1.0, 0.7)):
radius = radius * dpifac()
sides = 12
vertices = [(radius * cos(i * 2 * pi / sides) + mx,
radius * sin(i * 2 * pi / sides) + my)
for i in range(sides + 1)]
batch = batch_for_shader(shader, 'TRI_FAN', {"pos": vertices})
shader.bind()
shader.uniform_float("color", colour)
batch.draw(shader)
def draw_rounded_node_border(shader, node, radius=8, colour=(1.0, 1.0, 1.0, 0.7)):
area_width = bpy.context.area.width
sides = 16
radius = radius*dpifac()
nlocx, nlocy = abs_node_location(node)
nlocx = (nlocx+1)*dpifac()
nlocy = (nlocy+1)*dpifac()
ndimx = node.dimensions.x
ndimy = node.dimensions.y
if node.hide:
nlocx += -1
nlocy += 5
if node.type == 'REROUTE':
#nlocx += 1
nlocy -= 1
ndimx = 0
ndimy = 0
radius += 6
# Top left corner
mx, my = bpy.context.region.view2d.view_to_region(nlocx, nlocy, clip=False)
vertices = [(mx,my)]
for i in range(sides+1):
if (4<=i<=8):
if mx < area_width:
cosine = radius * cos(i * 2 * pi / sides) + mx
sine = radius * sin(i * 2 * pi / sides) + my
vertices.append((cosine,sine))
batch = batch_for_shader(shader, 'TRI_FAN', {"pos": vertices})
shader.bind()
shader.uniform_float("color", colour)
batch.draw(shader)
# Top right corner
mx, my = bpy.context.region.view2d.view_to_region(nlocx + ndimx, nlocy, clip=False)
vertices = [(mx,my)]
for i in range(sides+1):
if (0<=i<=4):
if mx < area_width:
cosine = radius * cos(i * 2 * pi / sides) + mx
sine = radius * sin(i * 2 * pi / sides) + my
vertices.append((cosine,sine))
batch = batch_for_shader(shader, 'TRI_FAN', {"pos": vertices})
shader.bind()
shader.uniform_float("color", colour)
batch.draw(shader)
# Bottom left corner
mx, my = bpy.context.region.view2d.view_to_region(nlocx, nlocy - ndimy, clip=False)
vertices = [(mx,my)]
for i in range(sides+1):
if (8<=i<=12):
if mx < area_width:
cosine = radius * cos(i * 2 * pi / sides) + mx
sine = radius * sin(i * 2 * pi / sides) + my
vertices.append((cosine,sine))
batch = batch_for_shader(shader, 'TRI_FAN', {"pos": vertices})
shader.bind()
shader.uniform_float("color", colour)
batch.draw(shader)
# Bottom right corner
mx, my = bpy.context.region.view2d.view_to_region(nlocx + ndimx, nlocy - ndimy, clip=False)
vertices = [(mx,my)]
for i in range(sides+1):
if (12<=i<=16):
if mx < area_width:
cosine = radius * cos(i * 2 * pi / sides) + mx
sine = radius * sin(i * 2 * pi / sides) + my
vertices.append((cosine,sine))
batch = batch_for_shader(shader, 'TRI_FAN', {"pos": vertices})
shader.bind()
shader.uniform_float("color", colour)
batch.draw(shader)
# prepare drawing all edges in one batch
vertices = []
indices = []
id_last = 0
# Left edge
m1x, m1y = bpy.context.region.view2d.view_to_region(nlocx, nlocy, clip=False)
m2x, m2y = bpy.context.region.view2d.view_to_region(nlocx, nlocy - ndimy, clip=False)
if m1x < area_width and m2x < area_width:
vertices.extend([(m2x-radius,m2y), (m2x,m2y),
(m1x,m1y), (m1x-radius,m1y)])
indices.extend([(id_last, id_last+1, id_last+3),
(id_last+3, id_last+1, id_last+2)])
id_last += 4
# Top edge
m1x, m1y = bpy.context.region.view2d.view_to_region(nlocx, nlocy, clip=False)
m2x, m2y = bpy.context.region.view2d.view_to_region(nlocx + ndimx, nlocy, clip=False)
m1x = min(m1x, area_width)
m2x = min(m2x, area_width)
vertices.extend([(m1x,m1y), (m2x,m1y),
(m2x,m1y+radius), (m1x,m1y+radius)])
indices.extend([(id_last, id_last+1, id_last+3),
(id_last+3, id_last+1, id_last+2)])
id_last += 4
# Right edge
m1x, m1y = bpy.context.region.view2d.view_to_region(nlocx + ndimx, nlocy, clip=False)
m2x, m2y = bpy.context.region.view2d.view_to_region(nlocx + ndimx, nlocy - ndimy, clip=False)
if m1x < area_width and m2x < area_width:
vertices.extend([(m1x,m2y), (m1x+radius,m2y),
(m1x+radius,m1y), (m1x,m1y)])
indices.extend([(id_last, id_last+1, id_last+3),
(id_last+3, id_last+1, id_last+2)])
id_last += 4
# Bottom edge
m1x, m1y = bpy.context.region.view2d.view_to_region(nlocx, nlocy-ndimy, clip=False)
m2x, m2y = bpy.context.region.view2d.view_to_region(nlocx + ndimx, nlocy-ndimy, clip=False)
m1x = min(m1x, area_width)
m2x = min(m2x, area_width)
vertices.extend([(m1x,m2y), (m2x,m2y),
(m2x,m1y-radius), (m1x,m1y-radius)])
indices.extend([(id_last, id_last+1, id_last+3),
(id_last+3, id_last+1, id_last+2)])
# now draw all edges in one batch
if len(vertices) != 0:
batch = batch_for_shader(shader, 'TRIS', {"pos": vertices}, indices=indices)
shader.bind()
shader.uniform_float("color", colour)
batch.draw(shader)
def draw_callback_nodeoutline(self, context, mode):
if self.mouse_path:
bgl.glLineWidth(1)
bgl.glEnable(bgl.GL_BLEND)
bgl.glEnable(bgl.GL_LINE_SMOOTH)
bgl.glHint(bgl.GL_LINE_SMOOTH_HINT, bgl.GL_NICEST)
nodes, links = get_nodes_links(context)
shader = gpu.shader.from_builtin('2D_UNIFORM_COLOR')
if mode == "LINK":
col_outer = (1.0, 0.2, 0.2, 0.4)
col_inner = (0.0, 0.0, 0.0, 0.5)
col_circle_inner = (0.3, 0.05, 0.05, 1.0)
elif mode == "LINKMENU":
col_outer = (0.4, 0.6, 1.0, 0.4)
col_inner = (0.0, 0.0, 0.0, 0.5)
col_circle_inner = (0.08, 0.15, .3, 1.0)
elif mode == "MIX":
col_outer = (0.2, 1.0, 0.2, 0.4)
col_inner = (0.0, 0.0, 0.0, 0.5)
col_circle_inner = (0.05, 0.3, 0.05, 1.0)
m1x = self.mouse_path[0][0]
m1y = self.mouse_path[0][1]
m2x = self.mouse_path[-1][0]
m2y = self.mouse_path[-1][1]
n1 = nodes[context.scene.NWLazySource]
n2 = nodes[context.scene.NWLazyTarget]
if n1 == n2:
col_outer = (0.4, 0.4, 0.4, 0.4)
col_inner = (0.0, 0.0, 0.0, 0.5)
col_circle_inner = (0.2, 0.2, 0.2, 1.0)
draw_rounded_node_border(shader, n1, radius=6, colour=col_outer) # outline
draw_rounded_node_border(shader, n1, radius=5, colour=col_inner) # inner
draw_rounded_node_border(shader, n2, radius=6, colour=col_outer) # outline
draw_rounded_node_border(shader, n2, radius=5, colour=col_inner) # inner
draw_line(m1x, m1y, m2x, m2y, 5, col_outer) # line outline
draw_line(m1x, m1y, m2x, m2y, 2, col_inner) # line inner
# circle outline
draw_circle_2d_filled(shader, m1x, m1y, 7, col_outer)
draw_circle_2d_filled(shader, m2x, m2y, 7, col_outer)
# circle inner
draw_circle_2d_filled(shader, m1x, m1y, 5, col_circle_inner)
draw_circle_2d_filled(shader, m2x, m2y, 5, col_circle_inner)
bgl.glDisable(bgl.GL_BLEND)
bgl.glDisable(bgl.GL_LINE_SMOOTH)
def get_active_tree(context):
tree = context.space_data.node_tree
path = []
# Get nodes from currently edited tree.
# If user is editing a group, space_data.node_tree is still the base level (outside group).
# context.active_node is in the group though, so if space_data.node_tree.nodes.active is not
# the same as context.active_node, the user is in a group.
# Check recursively until we find the real active node_tree:
if tree.nodes.active:
while tree.nodes.active != context.active_node:
tree = tree.nodes.active.node_tree
path.append(tree)
return tree, path
def get_nodes_links(context):
tree, path = get_active_tree(context)
return tree.nodes, tree.links
def is_viewer_socket(socket):
# checks if a internal socket is a valid viewer socket
return socket.name == viewer_socket_name and socket.NWViewerSocket
def get_internal_socket(socket):
#get the internal socket from a socket inside or outside the group
node = socket.node
if node.type == 'GROUP_OUTPUT':
source_iterator = node.inputs
iterator = node.id_data.outputs
elif node.type == 'GROUP_INPUT':
source_iterator = node.outputs
iterator = node.id_data.inputs
elif hasattr(node, "node_tree"):
if socket.is_output:
source_iterator = node.outputs
iterator = node.node_tree.outputs
else:
source_iterator = node.inputs
iterator = node.node_tree.inputs
else:
return None
for i, s in enumerate(source_iterator):
if s == socket:
break
return iterator[i]
def is_viewer_link(link, output_node):
if link.to_node == output_node and link.to_socket == output_node.inputs[0]:
return True
if link.to_node.type == 'GROUP_OUTPUT':
socket = get_internal_socket(link.to_socket)
if is_viewer_socket(socket):
return True
return False
def get_group_output_node(tree):
for node in tree.nodes:
if node.type == 'GROUP_OUTPUT' and node.is_active_output == True:
return node
def get_output_location(tree):
# get right-most location
sorted_by_xloc = (sorted(tree.nodes, key=lambda x: x.location.x))
max_xloc_node = sorted_by_xloc[-1]
# get average y location
sum_yloc = 0
for node in tree.nodes:
sum_yloc += node.location.y
loc_x = max_xloc_node.location.x + max_xloc_node.dimensions.x + 80
loc_y = sum_yloc / len(tree.nodes)
return loc_x, loc_y
# Principled prefs
class NWPrincipledPreferences(bpy.types.PropertyGroup):
base_color: StringProperty(
name='Base Color',
default='diffuse diff albedo base col color',
description='Naming Components for Base Color maps')
sss_color: StringProperty(
name='Subsurface Color',
default='sss subsurface',
description='Naming Components for Subsurface Color maps')
metallic: StringProperty(
name='Metallic',
default='metallic metalness metal mtl',
description='Naming Components for metallness maps')
specular: StringProperty(
name='Specular',
default='specularity specular spec spc',
description='Naming Components for Specular maps')
normal: StringProperty(
name='Normal',
default='normal nor nrm nrml norm',
description='Naming Components for Normal maps')
bump: StringProperty(
name='Bump',
default='bump bmp',
description='Naming Components for bump maps')
rough: StringProperty(
name='Roughness',
default='roughness rough rgh',
description='Naming Components for roughness maps')
gloss: StringProperty(
name='Gloss',
default='gloss glossy glossiness',
description='Naming Components for glossy maps')
displacement: StringProperty(
name='Displacement',
default='displacement displace disp dsp height heightmap',
description='Naming Components for displacement maps')
transmission: StringProperty(
name='Transmission',
default='transmission transparency',
description='Naming Components for transmission maps')
emission: StringProperty(
name='Emission',
default='emission emissive emit',
description='Naming Components for emission maps')
alpha: StringProperty(
name='Alpha',
default='alpha opacity',
description='Naming Components for alpha maps')
ambient_occlusion: StringProperty(
name='Ambient Occlusion',
default='ao ambient occlusion',
description='Naming Components for AO maps')
# Addon prefs
class NWNodeWrangler(bpy.types.AddonPreferences):
bl_idname = __name__
merge_hide: EnumProperty(
name="Hide Mix nodes",
items=(
("ALWAYS", "Always", "Always collapse the new merge nodes"),
("NON_SHADER", "Non-Shader", "Collapse in all cases except for shaders"),
("NEVER", "Never", "Never collapse the new merge nodes")
),
default='NON_SHADER',
description="When merging nodes with the Ctrl+Numpad0 hotkey (and similar) specify whether to collapse them or show the full node with options expanded")
merge_position: EnumProperty(
name="Mix Node Position",
items=(
("CENTER", "Center", "Place the Mix node between the two nodes"),
("BOTTOM", "Bottom", "Place the Mix node at the same height as the lowest node")
),
default='CENTER',
description="When merging nodes with the Ctrl+Numpad0 hotkey (and similar) specify the position of the new nodes")
show_hotkey_list: BoolProperty(
name="Show Hotkey List",
default=False,
description="Expand this box into a list of all the hotkeys for functions in this addon"
)
hotkey_list_filter: StringProperty(
name=" Filter by Name",
default="",
description="Show only hotkeys that have this text in their name",
options={'TEXTEDIT_UPDATE'}
)
show_principled_lists: BoolProperty(
name="Show Principled naming tags",
default=False,
description="Expand this box into a list of all naming tags for principled texture setup"
)
principled_tags: bpy.props.PointerProperty(type=NWPrincipledPreferences)
def draw(self, context):
layout = self.layout
col = layout.column()
col.prop(self, "merge_position")
col.prop(self, "merge_hide")
box = layout.box()
col = box.column(align=True)
col.prop(self, "show_principled_lists", text='Edit tags for auto texture detection in Principled BSDF setup', toggle=True)
if self.show_principled_lists:
tags = self.principled_tags
col.prop(tags, "base_color")
col.prop(tags, "sss_color")
col.prop(tags, "metallic")
col.prop(tags, "specular")
col.prop(tags, "rough")
col.prop(tags, "gloss")
col.prop(tags, "normal")
col.prop(tags, "bump")
col.prop(tags, "displacement")
col.prop(tags, "transmission")
col.prop(tags, "emission")
col.prop(tags, "alpha")
col.prop(tags, "ambient_occlusion")
box = layout.box()
col = box.column(align=True)
hotkey_button_name = "Show Hotkey List"
if self.show_hotkey_list:
hotkey_button_name = "Hide Hotkey List"
col.prop(self, "show_hotkey_list", text=hotkey_button_name, toggle=True)
if self.show_hotkey_list:
col.prop(self, "hotkey_list_filter", icon="VIEWZOOM")
col.separator()
for hotkey in kmi_defs:
if hotkey[7]:
hotkey_name = hotkey[7]
if self.hotkey_list_filter.lower() in hotkey_name.lower():
row = col.row(align=True)
row.label(text=hotkey_name)
keystr = nice_hotkey_name(hotkey[1])
if hotkey[4]:
keystr = "Shift " + keystr
if hotkey[5]:
keystr = "Alt " + keystr
if hotkey[3]:
keystr = "Ctrl " + keystr
row.label(text=keystr)
def nw_check(context):
space = context.space_data
valid_trees = ["ShaderNodeTree", "CompositorNodeTree", "TextureNodeTree", "GeometryNodeTree"]
valid = False
if space.type == 'NODE_EDITOR' and space.node_tree is not None and space.tree_type in valid_trees:
valid = True
return valid
class NWBase:
@classmethod
def poll(cls, context):
return nw_check(context)
# OPERATORS
class NWLazyMix(Operator, NWBase):
"""Add a Mix RGB/Shader node by interactively drawing lines between nodes"""
bl_idname = "node.nw_lazy_mix"
bl_label = "Mix Nodes"
bl_options = {'REGISTER', 'UNDO'}
def modal(self, context, event):
context.area.tag_redraw()
nodes, links = get_nodes_links(context)
cont = True
start_pos = [event.mouse_region_x, event.mouse_region_y]
node1 = None
if not context.scene.NWBusyDrawing:
node1 = node_at_pos(nodes, context, event)
if node1:
context.scene.NWBusyDrawing = node1.name
else:
if context.scene.NWBusyDrawing != 'STOP':
node1 = nodes[context.scene.NWBusyDrawing]
context.scene.NWLazySource = node1.name
context.scene.NWLazyTarget = node_at_pos(nodes, context, event).name
if event.type == 'MOUSEMOVE':
self.mouse_path.append((event.mouse_region_x, event.mouse_region_y))
elif event.type == 'RIGHTMOUSE' and event.value == 'RELEASE':
end_pos = [event.mouse_region_x, event.mouse_region_y]
bpy.types.SpaceNodeEditor.draw_handler_remove(self._handle, 'WINDOW')
node2 = None
node2 = node_at_pos(nodes, context, event)
if node2:
context.scene.NWBusyDrawing = node2.name
if node1 == node2:
cont = False
if cont:
if node1 and node2:
for node in nodes:
node.select = False
node1.select = True
node2.select = True
bpy.ops.node.nw_merge_nodes(mode="MIX", merge_type="AUTO")
context.scene.NWBusyDrawing = ""
return {'FINISHED'}
elif event.type == 'ESC':
print('cancelled')
bpy.types.SpaceNodeEditor.draw_handler_remove(self._handle, 'WINDOW')
return {'CANCELLED'}
return {'RUNNING_MODAL'}
def invoke(self, context, event):
if context.area.type == 'NODE_EDITOR':
# the arguments we pass the the callback
args = (self, context, 'MIX')
# Add the region OpenGL drawing callback
# draw in view space with 'POST_VIEW' and 'PRE_VIEW'
self._handle = bpy.types.SpaceNodeEditor.draw_handler_add(draw_callback_nodeoutline, args, 'WINDOW', 'POST_PIXEL')
self.mouse_path = []
context.window_manager.modal_handler_add(self)
return {'RUNNING_MODAL'}
else:
self.report({'WARNING'}, "View3D not found, cannot run operator")
return {'CANCELLED'}
class NWLazyConnect(Operator, NWBase):
"""Connect two nodes without clicking a specific socket (automatically determined"""
bl_idname = "node.nw_lazy_connect"
bl_label = "Lazy Connect"
bl_options = {'REGISTER', 'UNDO'}
with_menu: BoolProperty()
def modal(self, context, event):
context.area.tag_redraw()
nodes, links = get_nodes_links(context)
cont = True
start_pos = [event.mouse_region_x, event.mouse_region_y]
node1 = None
if not context.scene.NWBusyDrawing:
node1 = node_at_pos(nodes, context, event)
if node1:
context.scene.NWBusyDrawing = node1.name
else:
if context.scene.NWBusyDrawing != 'STOP':
node1 = nodes[context.scene.NWBusyDrawing]
context.scene.NWLazySource = node1.name
context.scene.NWLazyTarget = node_at_pos(nodes, context, event).name
if event.type == 'MOUSEMOVE':
self.mouse_path.append((event.mouse_region_x, event.mouse_region_y))
elif event.type == 'RIGHTMOUSE' and event.value == 'RELEASE':
end_pos = [event.mouse_region_x, event.mouse_region_y]
bpy.types.SpaceNodeEditor.draw_handler_remove(self._handle, 'WINDOW')
node2 = None
node2 = node_at_pos(nodes, context, event)
if node2:
context.scene.NWBusyDrawing = node2.name
if node1 == node2:
cont = False
link_success = False
if cont:
if node1 and node2:
original_sel = []
original_unsel = []
for node in nodes:
if node.select == True:
node.select = False
original_sel.append(node)
else:
original_unsel.append(node)
node1.select = True
node2.select = True
#link_success = autolink(node1, node2, links)
if self.with_menu:
if len(node1.outputs) > 1 and node2.inputs:
bpy.ops.wm.call_menu("INVOKE_DEFAULT", name=NWConnectionListOutputs.bl_idname)
elif len(node1.outputs) == 1:
bpy.ops.node.nw_call_inputs_menu(from_socket=0)
else:
link_success = autolink(node1, node2, links)
for node in original_sel:
node.select = True
for node in original_unsel:
node.select = False
if link_success:
force_update(context)
context.scene.NWBusyDrawing = ""
return {'FINISHED'}
elif event.type == 'ESC':
bpy.types.SpaceNodeEditor.draw_handler_remove(self._handle, 'WINDOW')
return {'CANCELLED'}