# SPDX-FileCopyrightText: 2013-2023 Blender Foundation # # SPDX-License-Identifier: GPL-2.0-or-later import bpy from bpy.types import Operator from bpy.props import ( FloatProperty, EnumProperty, BoolProperty, IntProperty, StringProperty, FloatVectorProperty, CollectionProperty, ) from bpy.app.translations import ( pgettext_rpt as rpt_, contexts as i18n_contexts, ) from bpy_extras.io_utils import ImportHelper, ExportHelper from bpy_extras.node_utils import connect_sockets from mathutils import Vector from os import path from glob import glob from copy import copy from itertools import chain from .interface import NWConnectionListInputs, NWConnectionListOutputs from .utils.constants import blend_types, geo_combine_operations, operations, navs, get_texture_node_types, rl_outputs from .utils.draw import draw_callback_nodeoutline from .utils.paths import match_files_to_socket_names, split_into_components from .utils.nodes import (node_mid_pt, autolink, node_at_pos, get_nodes_links, force_update, nw_check, nw_check_not_empty, nw_check_selected, nw_check_active, nw_check_space_type, nw_check_node_type, nw_check_visible_outputs, nw_check_viewer_node, NWBase, get_first_enabled_output, is_visible_socket) 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'} @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_not_empty(cls, context) 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() @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_not_empty(cls, context) 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: 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'} return {'RUNNING_MODAL'} def invoke(self, context, event): if context.area.type == 'NODE_EDITOR': nodes, links = get_nodes_links(context) node = node_at_pos(nodes, context, event) if node: context.scene.NWBusyDrawing = node.name # the arguments we pass the the callback mode = "LINK" if self.with_menu: mode = "LINKMENU" args = (self, context, mode) # 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 NWDeleteUnused(Operator, NWBase): """Delete all nodes whose output is not used""" bl_idname = 'node.nw_del_unused' bl_label = 'Delete Unused Nodes' bl_options = {'REGISTER', 'UNDO'} delete_muted: BoolProperty( name="Delete Muted", description="Delete (but reconnect, like Ctrl-X) all muted nodes", default=True) delete_frames: BoolProperty( name="Delete Empty Frames", description="Delete all frames that have no nodes inside them", default=True) def is_unused_node(self, node): end_types = ['OUTPUT_MATERIAL', 'OUTPUT', 'VIEWER', 'COMPOSITE', 'SPLITVIEWER', 'OUTPUT_FILE', 'LEVELS', 'OUTPUT_LIGHT', 'OUTPUT_WORLD', 'GROUP_INPUT', 'GROUP_OUTPUT', 'FRAME'] if node.type in end_types: return False for output in node.outputs: if output.links: return False return True @classmethod def poll(cls, context): """Disabled for custom nodes as we do not know which nodes are supported.""" return (nw_check(cls, context) and nw_check_not_empty(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree', 'TextureNodeTree', 'GeometryNodeTree'})) def execute(self, context): nodes, links = get_nodes_links(context) # Store selection selection = [] for node in nodes: if node.select: selection.append(node.name) for node in nodes: node.select = False deleted_nodes = [] temp_deleted_nodes = [] del_unused_iterations = len(nodes) for it in range(0, del_unused_iterations): temp_deleted_nodes = list(deleted_nodes) # keep record of last iteration for node in nodes: if self.is_unused_node(node): node.select = True deleted_nodes.append(node.name) bpy.ops.node.delete() if temp_deleted_nodes == deleted_nodes: # stop iterations when there are no more nodes to be deleted break if self.delete_frames: repeat = True while repeat: frames_in_use = [] frames = [] repeat = False for node in nodes: if node.parent: frames_in_use.append(node.parent) for node in nodes: if node.type == 'FRAME' and node not in frames_in_use: frames.append(node) if node.parent: repeat = True # repeat for nested frames for node in frames: if node not in frames_in_use: node.select = True deleted_nodes.append(node.name) bpy.ops.node.delete() if self.delete_muted: for node in nodes: if node.mute: node.select = True deleted_nodes.append(node.name) bpy.ops.node.delete_reconnect() # get unique list of deleted nodes (iterations would count the same node more than once) deleted_nodes = list(set(deleted_nodes)) for n in deleted_nodes: self.report({'INFO'}, rpt_("Node {} deleted").format(n)) num_deleted = len(deleted_nodes) if num_deleted == 0: self.report({'INFO'}, "Nothing to delete") else: if num_deleted > 1: message = rpt_("Deleted {} nodes".format(num_deleted)) else: message = rpt_("Deleted 1 node") self.report({'INFO'}, message) # Restore selection nodes, links = get_nodes_links(context) for node in nodes: if node.name in selection: node.select = True return {'FINISHED'} def invoke(self, context, event): return context.window_manager.invoke_confirm(self, event) class NWSwapLinks(Operator, NWBase): """Swap the output connections of the two selected nodes, or two similar inputs of a single node""" bl_idname = 'node.nw_swap_links' bl_label = 'Swap Links' bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context, max=2) def execute(self, context): nodes, links = get_nodes_links(context) selected_nodes = context.selected_nodes n1 = selected_nodes[0] # Swap outputs if len(selected_nodes) == 2: n2 = selected_nodes[1] if n1.outputs and n2.outputs: n1_outputs = [] n2_outputs = [] out_index = 0 for output in n1.outputs: if output.links: for link in output.links: n1_outputs.append([out_index, link.to_socket]) links.remove(link) out_index += 1 out_index = 0 for output in n2.outputs: if output.links: for link in output.links: n2_outputs.append([out_index, link.to_socket]) links.remove(link) out_index += 1 for connection in n1_outputs: try: connect_sockets(n2.outputs[connection[0]], connection[1]) except: self.report({'WARNING'}, "Some connections have been lost due to differing numbers of output sockets") for connection in n2_outputs: try: connect_sockets(n1.outputs[connection[0]], connection[1]) except: self.report({'WARNING'}, "Some connections have been lost due to differing numbers of output sockets") else: if n1.outputs or n2.outputs: self.report({'WARNING'}, "One of the nodes has no outputs") else: self.report({'WARNING'}, "Neither of the nodes have outputs") # Swap Inputs elif len(selected_nodes) == 1: if n1.inputs and n1.inputs[0].is_multi_input: self.report({'WARNING'}, "Cannot swap inputs of a multi-input socket") return {'FINISHED'} if n1.inputs: types = [] i = 0 for i1 in n1.inputs: if i1.is_linked and not i1.is_multi_input: similar_types = 0 for i2 in n1.inputs: if i1.type == i2.type and i2.is_linked and not i2.is_multi_input: similar_types += 1 types.append([i1, similar_types, i]) i += 1 types.sort(key=lambda k: k[1], reverse=True) if types: t = types[0] if t[1] == 2: for i2 in n1.inputs: if t[0].type == i2.type == t[0].type and t[0] != i2 and i2.is_linked: pair = [t[0], i2] i1f = pair[0].links[0].from_socket i1t = pair[0].links[0].to_socket i2f = pair[1].links[0].from_socket i2t = pair[1].links[0].to_socket connect_sockets(i1f, i2t) connect_sockets(i2f, i1t) if t[1] == 1: if len(types) == 1: fs = t[0].links[0].from_socket i = t[2] links.remove(t[0].links[0]) if i + 1 == len(n1.inputs): i = -1 i += 1 while n1.inputs[i].is_linked: i += 1 connect_sockets(fs, n1.inputs[i]) elif len(types) == 2: i1f = types[0][0].links[0].from_socket i1t = types[0][0].links[0].to_socket i2f = types[1][0].links[0].from_socket i2t = types[1][0].links[0].to_socket connect_sockets(i1f, i2t) connect_sockets(i2f, i1t) else: self.report({'WARNING'}, "This node has no input connections to swap") else: self.report({'WARNING'}, "This node has no inputs to swap") force_update(context) return {'FINISHED'} class NWResetBG(Operator, NWBase): """Reset the zoom and position of the background image""" bl_idname = 'node.nw_bg_reset' bl_label = 'Reset Backdrop' bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_space_type(cls, context, {'CompositorNodeTree'}) def execute(self, context): context.space_data.backdrop_zoom = 1 context.space_data.backdrop_offset[0] = 0 context.space_data.backdrop_offset[1] = 0 return {'FINISHED'} class NWAddAttrNode(Operator, NWBase): """Add an Attribute node with this name""" bl_idname = 'node.nw_add_attr_node' bl_label = 'Add UV map' bl_options = {'REGISTER', 'UNDO'} attr_name: StringProperty() @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree'}) def execute(self, context): bpy.ops.node.add_node('INVOKE_DEFAULT', use_transform=True, type="ShaderNodeAttribute") nodes, links = get_nodes_links(context) nodes.active.attribute_name = self.attr_name return {'FINISHED'} class NWFrameSelected(Operator, NWBase): bl_idname = "node.nw_frame_selected" bl_label = "Frame Selected" bl_translation_context = i18n_contexts.id_nodetree bl_description = "Add a frame node and parent the selected nodes to it" bl_options = {'REGISTER', 'UNDO'} label_prop: StringProperty( name='Label', description='The visual name of the frame node', default=' ' ) use_custom_color_prop: BoolProperty( name="Custom Color", description="Use custom color for the frame node", default=False ) color_prop: FloatVectorProperty( name="Color", description="The color of the frame node", default=(0.604, 0.604, 0.604), min=0, max=1, step=1, precision=3, subtype='COLOR_GAMMA', size=3 ) def draw(self, context): layout = self.layout layout.prop(self, 'label_prop') layout.prop(self, 'use_custom_color_prop') col = layout.column() col.active = self.use_custom_color_prop col.prop(self, 'color_prop', text="") def execute(self, context): nodes, links = get_nodes_links(context) selected = [] for node in nodes: if node.select: selected.append(node) bpy.ops.node.add_node(type='NodeFrame') frm = nodes.active frm.label = self.label_prop frm.use_custom_color = self.use_custom_color_prop frm.color = self.color_prop for node in selected: node.parent = frm return {'FINISHED'} class NWReloadImages(Operator): bl_idname = "node.nw_reload_images" bl_label = "Reload Images" bl_description = "Update all the image nodes to match their files on disk" @classmethod def poll(cls, context): """Disabled for custom nodes.""" return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree', 'TextureNodeTree', 'GeometryNodeTree'})) def execute(self, context): nodes, links = get_nodes_links(context) image_types = ["IMAGE", "TEX_IMAGE", "TEX_ENVIRONMENT", "TEXTURE"] num_reloaded = 0 for node in nodes: if node.type in image_types: if node.type == "TEXTURE": if node.texture: # node has texture assigned if node.texture.type in ['IMAGE', 'ENVIRONMENT_MAP']: if node.texture.image: # texture has image assigned node.texture.image.reload() num_reloaded += 1 else: if node.image: node.image.reload() num_reloaded += 1 if num_reloaded: self.report({'INFO'}, "Reloaded images") print("Reloaded " + str(num_reloaded) + " images") force_update(context) return {'FINISHED'} else: self.report({'WARNING'}, "No images found to reload in this node tree") return {'CANCELLED'} class NWMergeNodes(Operator, NWBase): bl_idname = "node.nw_merge_nodes" bl_label = "Merge Nodes" bl_description = "Merge selected nodes" bl_options = {'REGISTER', 'UNDO'} mode: EnumProperty( name="Mode", description="All possible blend types, boolean operations and math operations", items=blend_types + [op for op in geo_combine_operations if op not in blend_types] + [op for op in operations if op not in blend_types], ) merge_type: EnumProperty( name="Merge Type", description="Type of Merge to be used", items=( ('AUTO', 'Auto', 'Automatic output type detection'), ('SHADER', 'Shader', 'Merge using ADD or MIX Shader'), ('GEOMETRY', 'Geometry', 'Merge using Mesh Boolean or Join Geometry nodes'), ('MIX', 'Mix Node', 'Merge using Mix nodes'), ('MATH', 'Math Node', 'Merge using Math nodes'), ('ZCOMBINE', 'Z-Combine Node', 'Merge using Z-Combine nodes'), ('ALPHAOVER', 'Alpha Over Node', 'Merge using Alpha Over nodes'), ), ) # Check if the link connects to a node that is in selected_nodes # If not, then check recursively for each link in the nodes outputs. # If yes, return True. If the recursion stops without finding a node # in selected_nodes, it returns False. The depth is used to prevent # getting stuck in a loop because of an already present cycle. @staticmethod def link_creates_cycle(link, selected_nodes, depth=0) -> bool: if depth > 255: # We're stuck in a cycle, but that cycle was already present, # so we return False. # NOTE: The number 255 is arbitrary, but seems to work well. return False node = link.to_node if node in selected_nodes: return True if not node.outputs: return False for output in node.outputs: if output.is_linked: for olink in output.links: if NWMergeNodes.link_creates_cycle(olink, selected_nodes, depth + 1): return True # None of the outputs found a node in selected_nodes, so there is no cycle. return False # Merge the nodes in `nodes_list` with a node of type `node_name` that has a multi_input socket. # The parameters `socket_indices` gives the indices of the node sockets in the order that they should # be connected. The last one is assumed to be a multi input socket. # For convenience the node is returned. @staticmethod def merge_with_multi_input(nodes_list, merge_position, do_hide, loc_x, links, nodes, node_name, socket_indices): # The y-location of the last node loc_y = nodes_list[-1][2] if merge_position == 'CENTER': # Average the y-location for i in range(len(nodes_list) - 1): loc_y += nodes_list[i][2] loc_y = loc_y / len(nodes_list) new_node = nodes.new(node_name) new_node.hide = do_hide new_node.location.x = loc_x new_node.location.y = loc_y selected_nodes = [nodes[node_info[0]] for node_info in nodes_list] prev_links = [] outputs_for_multi_input = [] for i, node in enumerate(selected_nodes): node.select = False # Search for the first node which had output links that do not create # a cycle, which we can then reconnect afterwards. if prev_links == [] and node.outputs[0].is_linked: prev_links = [ link for link in node.outputs[0].links if not NWMergeNodes.link_creates_cycle( link, selected_nodes)] # Get the index of the socket, the last one is a multi input, and is thus used repeatedly # To get the placement to look right we need to reverse the order in which we connect the # outputs to the multi input socket. if i < len(socket_indices) - 1: ind = socket_indices[i] connect_sockets(node.outputs[0], new_node.inputs[ind]) else: outputs_for_multi_input.insert(0, node.outputs[0]) if outputs_for_multi_input != []: ind = socket_indices[-1] for output in outputs_for_multi_input: connect_sockets(output, new_node.inputs[ind]) if prev_links != []: for link in prev_links: connect_sockets(new_node.outputs[0], link.to_node.inputs[0]) return new_node @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree', 'TextureNodeTree', 'GeometryNodeTree'}) and nw_check_selected(cls, context)) def execute(self, context): settings = context.preferences.addons[__package__].preferences merge_hide = settings.merge_hide merge_position = settings.merge_position # 'center' or 'bottom' do_hide = False do_hide_shader = False if merge_hide == 'ALWAYS': do_hide = True do_hide_shader = True elif merge_hide == 'NON_SHADER': do_hide = True tree_type = context.space_data.node_tree.type if tree_type == 'GEOMETRY': node_type = 'GeometryNode' if tree_type == 'COMPOSITING': node_type = 'CompositorNode' elif tree_type == 'SHADER': node_type = 'ShaderNode' elif tree_type == 'TEXTURE': node_type = 'TextureNode' nodes, links = get_nodes_links(context) mode = self.mode merge_type = self.merge_type # Prevent trying to add Z-Combine in not 'COMPOSITING' node tree. # 'ZCOMBINE' works only if mode == 'MIX' # Setting mode to None prevents trying to add 'ZCOMBINE' node. if (merge_type == 'ZCOMBINE' or merge_type == 'ALPHAOVER') and tree_type != 'COMPOSITING': merge_type = 'MIX' mode = 'MIX' if (merge_type != 'MATH' and merge_type != 'GEOMETRY') and tree_type == 'GEOMETRY': merge_type = 'AUTO' # The Mix node and math nodes used for geometry nodes are of type 'ShaderNode' if (merge_type == 'MATH' or merge_type == 'MIX') and tree_type == 'GEOMETRY': node_type = 'ShaderNode' selected_mix = [] # entry = [index, loc] selected_shader = [] # entry = [index, loc] selected_geometry = [] # entry = [index, loc] selected_math = [] # entry = [index, loc] selected_vector = [] # entry = [index, loc] selected_z = [] # entry = [index, loc] selected_alphaover = [] # entry = [index, loc] for i, node in enumerate(nodes): if node.select and node.outputs: if merge_type == 'AUTO': for (type, types_list, dst) in ( ('SHADER', ('MIX', 'ADD'), selected_shader), ('GEOMETRY', [t[0] for t in geo_combine_operations], selected_geometry), ('RGBA', [t[0] for t in blend_types], selected_mix), ('VALUE', [t[0] for t in operations], selected_math), ('VECTOR', [], selected_vector), ): output = get_first_enabled_output(node) output_type = output.type valid_mode = mode in types_list # When mode is 'MIX' we have to cheat since the mix node is not used in # geometry nodes. if tree_type == 'GEOMETRY': if mode == 'MIX': if output_type == 'VALUE' and type == 'VALUE': valid_mode = True elif output_type == 'VECTOR' and type == 'VECTOR': valid_mode = True elif type == 'GEOMETRY': valid_mode = True # When mode is 'MIX' use mix node for both 'RGBA' and 'VALUE' output types. # Cheat that output type is 'RGBA', # and that 'MIX' exists in math operations list. # This way when selected_mix list is analyzed: # Node data will be appended even though it doesn't meet requirements. elif output_type != 'SHADER' and mode == 'MIX': output_type = 'RGBA' valid_mode = True if output_type == type and valid_mode: dst.append([i, node.location.x, node.location.y, node.dimensions.x, node.hide]) else: for (type, types_list, dst) in ( ('SHADER', ('MIX', 'ADD'), selected_shader), ('GEOMETRY', [t[0] for t in geo_combine_operations], selected_geometry), ('MIX', [t[0] for t in blend_types], selected_mix), ('MATH', [t[0] for t in operations], selected_math), ('ZCOMBINE', ('MIX', ), selected_z), ('ALPHAOVER', ('MIX', ), selected_alphaover), ): if merge_type == type and mode in types_list: dst.append([i, node.location.x, node.location.y, node.dimensions.x, node.hide]) # When nodes with output kinds 'RGBA' and 'VALUE' are selected at the same time # use only 'Mix' nodes for merging. # For that we add selected_math list to selected_mix list and clear selected_math. if selected_mix and selected_math and merge_type == 'AUTO': selected_mix += selected_math selected_math = [] # If no nodes are selected, do nothing and pass through. if not (selected_mix + selected_shader + selected_geometry + selected_math + selected_vector + selected_z + selected_alphaover): return {'PASS_THROUGH'} for nodes_list in [ selected_mix, selected_shader, selected_geometry, selected_math, selected_vector, selected_z, selected_alphaover]: if not nodes_list: continue count_before = len(nodes) # sort list by loc_x - reversed nodes_list.sort(key=lambda k: k[1], reverse=True) # get maximum loc_x loc_x = nodes_list[0][1] + nodes_list[0][3] + 70 nodes_list.sort(key=lambda k: k[2], reverse=True) # Change the node type for math nodes in a geometry node tree. if tree_type == 'GEOMETRY': if nodes_list is selected_math or nodes_list is selected_vector or nodes_list is selected_mix: node_type = 'ShaderNode' if mode == 'MIX': mode = 'ADD' else: node_type = 'GeometryNode' if merge_position == 'CENTER': # average yloc of last two nodes (lowest two) loc_y = ((nodes_list[len(nodes_list) - 1][2]) + (nodes_list[len(nodes_list) - 2][2])) / 2 if nodes_list[len(nodes_list) - 1][-1]: # if last node is hidden, mix should be shifted up a bit if do_hide: loc_y += 40 else: loc_y += 80 else: loc_y = nodes_list[len(nodes_list) - 1][2] offset_y = 100 if not do_hide: offset_y = 200 if nodes_list == selected_shader and not do_hide_shader: offset_y = 150.0 the_range = len(nodes_list) - 1 if len(nodes_list) == 1: the_range = 1 was_multi = False for i in range(the_range): if nodes_list == selected_mix: mix_name = 'Mix' if tree_type == 'COMPOSITING': mix_name = 'MixRGB' add_type = node_type + mix_name add = nodes.new(add_type) if tree_type != 'COMPOSITING': add.data_type = 'RGBA' add.blend_type = mode if mode != 'MIX': add.inputs[0].default_value = 1.0 add.show_preview = False add.hide = do_hide if do_hide: loc_y = loc_y - 50 first = 6 second = 7 if tree_type == 'COMPOSITING': first = 1 second = 2 elif nodes_list == selected_math: add_type = node_type + 'Math' add = nodes.new(add_type) add.operation = mode add.hide = do_hide if do_hide: loc_y = loc_y - 50 first = 0 second = 1 elif nodes_list == selected_shader: if mode == 'MIX': add_type = node_type + 'MixShader' add = nodes.new(add_type) add.hide = do_hide_shader if do_hide_shader: loc_y = loc_y - 50 first = 1 second = 2 elif mode == 'ADD': add_type = node_type + 'AddShader' add = nodes.new(add_type) add.hide = do_hide_shader if do_hide_shader: loc_y = loc_y - 50 first = 0 second = 1 elif nodes_list == selected_geometry: if mode in ('JOIN', 'MIX'): add_type = node_type + 'JoinGeometry' add = self.merge_with_multi_input( nodes_list, merge_position, do_hide, loc_x, links, nodes, add_type, [0]) else: add_type = node_type + 'MeshBoolean' indices = [0, 1] if mode == 'DIFFERENCE' else [1] add = self.merge_with_multi_input( nodes_list, merge_position, do_hide, loc_x, links, nodes, add_type, indices) add.operation = mode was_multi = True break elif nodes_list == selected_vector: add_type = node_type + 'VectorMath' add = nodes.new(add_type) add.operation = mode add.hide = do_hide if do_hide: loc_y = loc_y - 50 first = 0 second = 1 elif nodes_list == selected_z: add = nodes.new('CompositorNodeZcombine') add.show_preview = False add.hide = do_hide if do_hide: loc_y = loc_y - 50 first = 0 second = 2 elif nodes_list == selected_alphaover: add = nodes.new('CompositorNodeAlphaOver') add.show_preview = False add.hide = do_hide if do_hide: loc_y = loc_y - 50 first = 1 second = 2 add.location = loc_x, loc_y loc_y += offset_y add.select = True # This has already been handled separately if was_multi: continue count_adds = i + 1 count_after = len(nodes) index = count_after - 1 first_selected = nodes[nodes_list[0][0]] # "last" node has been added as first, so its index is count_before. last_add = nodes[count_before] # Create list of invalid indexes. invalid_nodes = [nodes[n[0]] for n in (selected_mix + selected_math + selected_shader + selected_z + selected_geometry)] # Special case: # Two nodes were selected and first selected has no output links, second selected has output links. # Then add links from last add to all links 'to_socket' of out links of second selected. first_selected_output = get_first_enabled_output(first_selected) if len(nodes_list) == 2: if not first_selected_output.links: second_selected = nodes[nodes_list[1][0]] for ss_link in get_first_enabled_output(second_selected).links: # Prevent cyclic dependencies when nodes to be merged are linked to one another. # Link only if "to_node" index not in invalid indexes list. if not self.link_creates_cycle(ss_link, invalid_nodes): connect_sockets(get_first_enabled_output(last_add), ss_link.to_socket) # add links from last_add to all links 'to_socket' of out links of first selected. for fs_link in first_selected_output.links: # Link only if "to_node" index not in invalid indexes list. if not self.link_creates_cycle(fs_link, invalid_nodes): connect_sockets(get_first_enabled_output(last_add), fs_link.to_socket) # add link from "first" selected and "first" add node node_to = nodes[count_after - 1] connect_sockets(first_selected_output, node_to.inputs[first]) if node_to.type == 'ZCOMBINE': for fs_out in first_selected.outputs: if fs_out != first_selected_output and fs_out.name in ('Z', 'Depth'): connect_sockets(fs_out, node_to.inputs[1]) break # add links between added ADD nodes and between selected and ADD nodes for i in range(count_adds): if i < count_adds - 1: node_from = nodes[index] node_to = nodes[index - 1] node_to_input_i = first node_to_z_i = 1 # if z combine - link z to first z input connect_sockets(get_first_enabled_output(node_from), node_to.inputs[node_to_input_i]) if node_to.type == 'ZCOMBINE': for from_out in node_from.outputs: if from_out != get_first_enabled_output(node_from) and from_out.name in ('Z', 'Depth'): connect_sockets(from_out, node_to.inputs[node_to_z_i]) if len(nodes_list) > 1: node_from = nodes[nodes_list[i + 1][0]] node_to = nodes[index] node_to_input_i = second node_to_z_i = 3 # if z combine - link z to second z input connect_sockets(get_first_enabled_output(node_from), node_to.inputs[node_to_input_i]) if node_to.type == 'ZCOMBINE': for from_out in node_from.outputs: if from_out != get_first_enabled_output(node_from) and from_out.name in ('Z', 'Depth'): connect_sockets(from_out, node_to.inputs[node_to_z_i]) index -= 1 # set "last" of added nodes as active nodes.active = last_add for i, x, y, dx, h in nodes_list: nodes[i].select = False return {'FINISHED'} class NWBatchChangeNodes(Operator, NWBase): bl_idname = "node.nw_batch_change" bl_label = "Batch Change" bl_description = "Batch change blend type and math operation" bl_options = {'REGISTER', 'UNDO'} blend_type: EnumProperty( name="Blend Type", items=blend_types + navs, ) operation: EnumProperty( name="Operation", items=operations + navs, ) @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree', 'TextureNodeTree', 'GeometryNodeTree'}) and nw_check_selected(cls, context)) def execute(self, context): blend_type = self.blend_type operation = self.operation for node in context.selected_nodes: if node.type == 'MIX_RGB' or (node.bl_idname == 'ShaderNodeMix' and node.data_type == 'RGBA'): if blend_type not in [nav[0] for nav in navs]: node.blend_type = blend_type else: if blend_type == 'NEXT': index = [i for i, entry in enumerate(blend_types) if node.blend_type in entry][0] # index = blend_types.index(node.blend_type) if index == len(blend_types) - 1: node.blend_type = blend_types[0][0] else: node.blend_type = blend_types[index + 1][0] if blend_type == 'PREV': index = [i for i, entry in enumerate(blend_types) if node.blend_type in entry][0] if index == 0: node.blend_type = blend_types[len(blend_types) - 1][0] else: node.blend_type = blend_types[index - 1][0] if node.type == 'MATH' or node.bl_idname == 'ShaderNodeMath': if operation not in [nav[0] for nav in navs]: node.operation = operation else: if operation == 'NEXT': index = [i for i, entry in enumerate(operations) if node.operation in entry][0] # index = operations.index(node.operation) if index == len(operations) - 1: node.operation = operations[0][0] else: node.operation = operations[index + 1][0] if operation == 'PREV': index = [i for i, entry in enumerate(operations) if node.operation in entry][0] # index = operations.index(node.operation) if index == 0: node.operation = operations[len(operations) - 1][0] else: node.operation = operations[index - 1][0] return {'FINISHED'} class NWChangeMixFactor(Operator, NWBase): bl_idname = "node.nw_factor" bl_label = "Change Factor" bl_description = "Change factors of Mix nodes and Mix Shader nodes" bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context) # option: Change factor. # If option is 1.0 or 0.0 - set to 1.0 or 0.0 # Else - change factor by option value. option: FloatProperty() def execute(self, context): nodes, links = get_nodes_links(context) option = self.option selected = [] # entry = index for si, node in enumerate(nodes): if node.select: if node.type in {'MIX_RGB', 'MIX_SHADER'} or node.bl_idname == 'ShaderNodeMix': selected.append(si) for si in selected: fac = nodes[si].inputs[0] nodes[si].hide = False if option in {0.0, 1.0}: fac.default_value = option else: fac.default_value += option return {'FINISHED'} class NWCopySettings(Operator, NWBase): bl_idname = "node.nw_copy_settings" bl_label = "Copy Settings" bl_description = "Copy settings from active to selected nodes" bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_active(cls, context) and nw_check_selected(cls, context, min=2) and nw_check_node_type(cls, context, 'FRAME', invert=True)) def execute(self, context): node_active = context.active_node node_selected = context.selected_nodes selected_node_names = [n.name for n in node_selected] # Get nodes in selection by type valid_nodes = [n for n in node_selected if n.type == node_active.type] if not (len(valid_nodes) > 1) and node_active: self.report({'ERROR'}, rpt_("Selected nodes are not of the same type as {}").format(node_active.name)) return {'CANCELLED'} if len(valid_nodes) != len(node_selected): # Report nodes that are not valid valid_node_names = [n.name for n in valid_nodes] invalid_names = set(selected_node_names) - set(valid_node_names) self.report( {'INFO'}, rpt_("Ignored {} (not of the same type as {})").format(", ".join(sorted(invalid_names)), node_active.name), ) # Reference original orig = node_active # node_selected_names = [n.name for n in node_selected] # Output list success_names = [] # Deselect all nodes for i in node_selected: i.select = False # Code by zeffii from http://blender.stackexchange.com/a/42338/3710 # Run through all other nodes for node in valid_nodes[1:]: # Check for frame node parent = node.parent if node.parent else None node_loc = [node.location.x, node.location.y] # Select original to duplicate orig.select = True # Duplicate selected node bpy.ops.node.duplicate() new_node = context.selected_nodes[0] # Deselect copy new_node.select = False # Properties to copy node_tree = node.id_data props_to_copy = 'bl_idname name location height width'.split(' ') # Input and outputs reconnections = [] mappings = chain.from_iterable([node.inputs, node.outputs]) for i in (i for i in mappings if i.is_linked): for L in i.links: reconnections.append([L.from_socket.path_from_id(), L.to_socket.path_from_id()]) # Properties props = {j: getattr(node, j) for j in props_to_copy} props_to_copy.pop(0) for prop in props_to_copy: setattr(new_node, prop, props[prop]) # Get the node tree to remove the old node nodes = node_tree.nodes nodes.remove(node) new_node.name = props['name'] if parent: new_node.parent = parent new_node.location = node_loc for str_from, str_to in reconnections: connect_sockets(eval(str_from), eval(str_to)) success_names.append(new_node.name) orig.select = True node_tree.nodes.active = orig message = rpt_("Successfully copied attributes from {} to {}").format( orig.name, ", ".join(success_names) ) self.report({'INFO'}, message) return {'FINISHED'} class NWCopyLabel(Operator, NWBase): bl_idname = "node.nw_copy_label" bl_label = "Copy Label" bl_options = {'REGISTER', 'UNDO'} bl_description = "Copy label from active to selected nodes" option: EnumProperty( name="Option", description="Source of name of label", items=( ('FROM_ACTIVE', 'From Active', 'From active node',), ('FROM_NODE', 'From Node', 'From node linked to selected node'), ('FROM_SOCKET', 'From Socket', 'From socket linked to selected node'), ) ) @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context, min=2) def execute(self, context): nodes, links = get_nodes_links(context) option = self.option active = nodes.active if option == 'FROM_ACTIVE': if active: src_label = active.label for node in [n for n in nodes if n.select and nodes.active != n]: node.label = src_label elif option == 'FROM_NODE': selected = [n for n in nodes if n.select] for node in selected: for input in node.inputs: if input.links: src = input.links[0].from_node node.label = src.label break elif option == 'FROM_SOCKET': selected = [n for n in nodes if n.select] for node in selected: for input in node.inputs: if input.links: src = input.links[0].from_socket node.label = src.name break return {'FINISHED'} class NWClearLabel(Operator, NWBase): bl_idname = "node.nw_clear_label" bl_label = "Clear Label" bl_options = {'REGISTER', 'UNDO'} bl_description = "Clear labels on selected nodes" option: BoolProperty() @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context) def execute(self, context): nodes, links = get_nodes_links(context) for node in [n for n in nodes if n.select]: node.label = '' return {'FINISHED'} def invoke(self, context, event): if self.option: return self.execute(context) else: return context.window_manager.invoke_confirm(self, event) class NWModifyLabels(Operator, NWBase): """Modify labels of all selected nodes""" bl_idname = "node.nw_modify_labels" bl_label = "Modify Labels" bl_options = {'REGISTER', 'UNDO'} prepend: StringProperty( name="Add to Beginning" ) append: StringProperty( name="Add to End" ) replace_from: StringProperty( name="Text to Replace" ) replace_to: StringProperty( name="Replace with" ) @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context) def execute(self, context): nodes, links = get_nodes_links(context) for node in [n for n in nodes if n.select]: node.label = self.prepend + node.label.replace(self.replace_from, self.replace_to) + self.append return {'FINISHED'} def invoke(self, context, event): self.prepend = "" self.append = "" self.remove = "" return context.window_manager.invoke_props_dialog(self) class NWAddTextureSetup(Operator, NWBase): bl_idname = "node.nw_add_texture" bl_label = "Texture Setup" bl_description = "Add texture node setup to selected shaders" bl_options = {'REGISTER', 'UNDO'} add_mapping: BoolProperty( name="Add Mapping Nodes", description="Create coordinate and mapping nodes for the texture (ignored for selected texture nodes)", default=True) @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree'}) and nw_check_selected(cls, context)) def execute(self, context): nodes, links = get_nodes_links(context) texture_types = get_texture_node_types() selected_nodes = [n for n in nodes if n.select] for node in selected_nodes: if not node.inputs: continue input_index = 0 target_input = node.inputs[0] for input in node.inputs: if input.enabled: input_index += 1 if not input.is_linked: target_input = input break else: self.report({'WARNING'}, rpt_("No free inputs for node {}").format(node.name)) continue x_offset = 0 padding = 40.0 locx = node.location.x locy = node.location.y - (input_index * padding) is_texture_node = node.rna_type.identifier in texture_types use_environment_texture = node.type == 'BACKGROUND' # Add an image texture before normal shader nodes. if not is_texture_node: image_texture_type = 'ShaderNodeTexEnvironment' if use_environment_texture else 'ShaderNodeTexImage' image_texture_node = nodes.new(image_texture_type) x_offset = x_offset + image_texture_node.width + padding image_texture_node.location = [locx - x_offset, locy] nodes.active = image_texture_node connect_sockets(image_texture_node.outputs[0], target_input) # The mapping setup following this will connect to the first input of this image texture. target_input = image_texture_node.inputs[0] node.select = False if is_texture_node or self.add_mapping: # Add Mapping node. mapping_node = nodes.new('ShaderNodeMapping') x_offset = x_offset + mapping_node.width + padding mapping_node.location = [locx - x_offset, locy] connect_sockets(mapping_node.outputs[0], target_input) # Add Texture Coordinates node. tex_coord_node = nodes.new('ShaderNodeTexCoord') x_offset = x_offset + tex_coord_node.width + padding tex_coord_node.location = [locx - x_offset, locy] is_procedural_texture = is_texture_node and node.type != 'TEX_IMAGE' use_generated_coordinates = is_procedural_texture or use_environment_texture tex_coord_output = tex_coord_node.outputs[0 if use_generated_coordinates else 2] connect_sockets(tex_coord_output, mapping_node.inputs[0]) return {'FINISHED'} class NWAddPrincipledSetup(Operator, NWBase, ImportHelper): bl_idname = "node.nw_add_textures_for_principled" bl_label = "Principled Texture Setup" bl_description = "Add texture node setup for Principled BSDF" bl_options = {'REGISTER', 'UNDO'} directory: StringProperty( name='Directory', subtype='DIR_PATH', default='', description='Folder to search in for image files' ) files: CollectionProperty( type=bpy.types.OperatorFileListElement, options={'HIDDEN', 'SKIP_SAVE'} ) relative_path: BoolProperty( name='Relative Path', description='Set the file path relative to the blend file, when possible', default=True ) order = [ "filepath", "files", ] def draw(self, context): layout = self.layout layout.alignment = 'LEFT' layout.prop(self, 'relative_path') @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_active(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree'}) and nw_check_node_type(cls, context, 'BSDF_PRINCIPLED')) def execute(self, context): # Check if everything is ok if not self.directory: self.report({'INFO'}, 'No folder selected') return {'CANCELLED'} if not self.files[:]: self.report({'INFO'}, 'No files selected') return {'CANCELLED'} nodes, links = get_nodes_links(context) active_node = nodes.active # Filter textures names for texturetypes in filenames # [Socket Name, [abbreviations and keyword list], Filename placeholder] tags = context.preferences.addons[__package__].preferences.principled_tags normal_abbr = tags.normal.split(' ') bump_abbr = tags.bump.split(' ') gloss_abbr = tags.gloss.split(' ') rough_abbr = tags.rough.split(' ') socketnames = [ ['Displacement', tags.displacement.split(' '), None], ['Base Color', tags.base_color.split(' '), None], ['Metallic', tags.metallic.split(' '), None], ['Specular IOR Level', tags.specular.split(' '), None], ['Roughness', rough_abbr + gloss_abbr, None], ['Bump', bump_abbr, None], ['Normal', normal_abbr, None], ['Transmission Weight', tags.transmission.split(' '), None], ['Emission Color', tags.emission.split(' '), None], ['Alpha', tags.alpha.split(' '), None], ['Ambient Occlusion', tags.ambient_occlusion.split(' '), None], ] match_files_to_socket_names(self.files, socketnames) # Remove socketnames without found files socketnames = [s for s in socketnames if s[2] and path.exists(self.directory + s[2])] if not socketnames: self.report({'INFO'}, 'No matching images found') print('No matching images found') return {'CANCELLED'} # Don't override path earlier as os.path is used to check the absolute path import_path = self.directory if self.relative_path: if bpy.data.filepath: try: import_path = bpy.path.relpath(self.directory) except ValueError: pass # Add found images print('\nMatched Textures:') texture_nodes = [] disp_texture = None ao_texture = None normal_node = None normal_node_texture = None bump_node = None bump_node_texture = None roughness_node = None for i, sname in enumerate(socketnames): print(i, sname[0], sname[2]) # DISPLACEMENT NODES if sname[0] == 'Displacement': disp_texture = nodes.new(type='ShaderNodeTexImage') img = bpy.data.images.load(path.join(import_path, sname[2])) disp_texture.image = img disp_texture.label = 'Displacement' if disp_texture.image: disp_texture.image.colorspace_settings.is_data = True # Add displacement offset nodes disp_node = nodes.new(type='ShaderNodeDisplacement') # Align the Displacement node under the active Principled BSDF node disp_node.location = active_node.location + Vector((100, -700)) link = connect_sockets(disp_node.inputs[0], disp_texture.outputs[0]) # TODO Turn on true displacement in the material # Too complicated for now # Find output node output_node = [n for n in nodes if n.bl_idname == 'ShaderNodeOutputMaterial'] if output_node: if not output_node[0].inputs[2].is_linked: link = connect_sockets(output_node[0].inputs[2], disp_node.outputs[0]) continue # BUMP NODES elif sname[0] == 'Bump': # Test if new texture node is bump map fname_components = split_into_components(sname[2]) match_bump = set(bump_abbr).intersection(set(fname_components)) if match_bump: # If Bump add bump node in between bump_node_texture = nodes.new(type='ShaderNodeTexImage') img = bpy.data.images.load(path.join(import_path, sname[2])) img.colorspace_settings.is_data = True bump_node_texture.image = img bump_node_texture.label = 'Bump' # Add bump node bump_node = nodes.new(type='ShaderNodeBump') link = connect_sockets(bump_node.inputs[2], bump_node_texture.outputs[0]) link = connect_sockets(active_node.inputs['Normal'], bump_node.outputs[0]) continue # NORMAL NODES elif sname[0] == 'Normal': # Test if new texture node is normal map fname_components = split_into_components(sname[2]) match_normal = set(normal_abbr).intersection(set(fname_components)) if match_normal: # If Normal add normal node in between normal_node_texture = nodes.new(type='ShaderNodeTexImage') img = bpy.data.images.load(path.join(import_path, sname[2])) img.colorspace_settings.is_data = True normal_node_texture.image = img normal_node_texture.label = 'Normal' # Add normal node normal_node = nodes.new(type='ShaderNodeNormalMap') link = connect_sockets(normal_node.inputs[1], normal_node_texture.outputs[0]) # Connect to bump node if it was created before, otherwise to the BSDF if bump_node is None: link = connect_sockets(active_node.inputs[sname[0]], normal_node.outputs[0]) else: link = connect_sockets(bump_node.inputs[sname[0]], normal_node.outputs[sname[0]]) continue # AMBIENT OCCLUSION TEXTURE elif sname[0] == 'Ambient Occlusion': ao_texture = nodes.new(type='ShaderNodeTexImage') img = bpy.data.images.load(path.join(import_path, sname[2])) ao_texture.image = img ao_texture.label = sname[0] if ao_texture.image: ao_texture.image.colorspace_settings.is_data = True continue if not active_node.inputs[sname[0]].is_linked: # No texture node connected -> add texture node with new image texture_node = nodes.new(type='ShaderNodeTexImage') img = bpy.data.images.load(path.join(import_path, sname[2])) texture_node.image = img if sname[0] == 'Roughness': # Test if glossy or roughness map fname_components = split_into_components(sname[2]) match_rough = set(rough_abbr).intersection(set(fname_components)) match_gloss = set(gloss_abbr).intersection(set(fname_components)) if match_rough: # If Roughness nothing to to link = connect_sockets(active_node.inputs[sname[0]], texture_node.outputs[0]) elif match_gloss: # If Gloss Map add invert node invert_node = nodes.new(type='ShaderNodeInvert') link = connect_sockets(invert_node.inputs[1], texture_node.outputs[0]) link = connect_sockets(active_node.inputs[sname[0]], invert_node.outputs[0]) roughness_node = texture_node else: # This is a simple connection Texture --> Input slot link = connect_sockets(active_node.inputs[sname[0]], texture_node.outputs[0]) # Use non-color except for color inputs if sname[0] not in ['Base Color', 'Emission Color'] and texture_node.image: texture_node.image.colorspace_settings.is_data = True else: # If already texture connected. add to node list for alignment texture_node = active_node.inputs[sname[0]].links[0].from_node # This are all connected texture nodes texture_nodes.append(texture_node) texture_node.label = sname[0] if disp_texture: texture_nodes.append(disp_texture) if bump_node_texture: texture_nodes.append(bump_node_texture) if normal_node_texture: texture_nodes.append(normal_node_texture) if ao_texture: # We want the ambient occlusion texture to be the top most texture node texture_nodes.insert(0, ao_texture) # Alignment for i, texture_node in enumerate(texture_nodes): offset = Vector((-550, (i * -280) + 200)) texture_node.location = active_node.location + offset if normal_node: # Extra alignment if normal node was added normal_node.location = normal_node_texture.location + Vector((300, 0)) if bump_node: # Extra alignment if bump node was added bump_node.location = bump_node_texture.location + Vector((300, 0)) if roughness_node: # Alignment of invert node if glossy map invert_node.location = roughness_node.location + Vector((300, 0)) # Add texture input + mapping mapping = nodes.new(type='ShaderNodeMapping') mapping.location = active_node.location + Vector((-1050, 0)) if len(texture_nodes) > 1: # If more than one texture add reroute node in between reroute = nodes.new(type='NodeReroute') texture_nodes.append(reroute) tex_coords = Vector((texture_nodes[0].location.x, sum(n.location.y for n in texture_nodes) / len(texture_nodes))) reroute.location = tex_coords + Vector((-50, -120)) for texture_node in texture_nodes: link = connect_sockets(texture_node.inputs[0], reroute.outputs[0]) link = connect_sockets(reroute.inputs[0], mapping.outputs[0]) else: link = connect_sockets(texture_nodes[0].inputs[0], mapping.outputs[0]) # Connect texture_coordinates to mapping node texture_input = nodes.new(type='ShaderNodeTexCoord') texture_input.location = mapping.location + Vector((-200, 0)) link = connect_sockets(mapping.inputs[0], texture_input.outputs[2]) # Create frame around tex coords and mapping frame = nodes.new(type='NodeFrame') frame.label = 'Mapping' mapping.parent = frame texture_input.parent = frame frame.update() # Create frame around texture nodes frame = nodes.new(type='NodeFrame') frame.label = 'Textures' for tnode in texture_nodes: tnode.parent = frame frame.update() # Just to be sure active_node.select = False nodes.update() links.update() force_update(context) return {'FINISHED'} class NWAddReroutes(Operator, NWBase): """Add Reroute Nodes and link them to outputs of selected nodes""" bl_idname = "node.nw_add_reroutes" bl_label = "Add Reroutes" bl_description = "Add Reroutes to outputs" bl_options = {'REGISTER', 'UNDO'} option: EnumProperty( name="Option", items=[ ('ALL', 'To All', 'Add to all outputs'), ('LOOSE', 'To Loose', 'Add only to loose outputs'), ('LINKED', 'To Linked', 'Add only to linked outputs'), ] ) @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context) def execute(self, context): nodes, _links = get_nodes_links(context) post_select = [] # Nodes to be selected after execution. y_offset = -22.0 # Create reroutes and recreate links. for node in [n for n in nodes if n.select]: if not node.outputs: continue x = node.location.x + node.width + 20.0 y = node.location.y new_node_reroutes = [] # Unhide 'REROUTE' nodes to avoid issues with location.y if node.type == 'REROUTE': node.hide = False else: y -= 35.0 reroutes_count = 0 # Will be used when aligning reroutes added to hidden nodes. for out_i, output in enumerate(node.outputs): if output.is_unavailable: continue if node.type == 'R_LAYERS' and output.name != 'Alpha': # If 'R_LAYERS' check if output is used in render pass. # If output is "Alpha", assume it's used. Not available in passes. node_scene = node.scene node_layer = node.layer for rlo in rl_outputs: # Check entries in global 'rl_outputs' variable. if output.name in {rlo.output_name, rlo.exr_output_name}: if not getattr(node_scene.view_layers[node_layer], rlo.render_pass): continue # Output is valid when option is 'all' or when 'loose' output has no links. valid = ((self.option == 'ALL') or (self.option == 'LOOSE' and not output.links) or (self.option == 'LINKED' and output.links)) if valid: # Add reroutes only if valid. n = nodes.new('NodeReroute') nodes.active = n for link in output.links: connect_sockets(n.outputs[0], link.to_socket) connect_sockets(output, n.inputs[0]) n.location = x, y new_node_reroutes.append(n) post_select.append(n) if valid or not output.hide: # Offset reroutes for all outputs, except hidden ones. reroutes_count += 1 y += y_offset # Nicer reroutes distribution along y when node.hide. if node.hide: y_translate = reroutes_count * y_offset / 2.0 - y_offset - 35.0 for reroute in new_node_reroutes: reroute.location.y -= y_translate if post_select: for node in nodes: # Select only newly created nodes. node.select = node in post_select else: # No new nodes were created. return {'CANCELLED'} return {'FINISHED'} class NWLinkActiveToSelected(Operator, NWBase): """Link active node to selected nodes basing on various criteria""" bl_idname = "node.nw_link_active_to_selected" bl_label = "Link Active Node to Selected" bl_options = {'REGISTER', 'UNDO'} replace: BoolProperty() use_node_name: BoolProperty() use_outputs_names: BoolProperty() @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_active(cls, context) and nw_check_selected(cls, context, min=2)) def execute(self, context): nodes, links = get_nodes_links(context) replace = self.replace use_node_name = self.use_node_name use_outputs_names = self.use_outputs_names active = nodes.active selected = [node for node in nodes if node.select and node != active] outputs = [] # Only usable outputs of active nodes will be stored here. for out in active.outputs: if active.type != 'R_LAYERS': outputs.append(out) else: # 'R_LAYERS' node type needs special handling. # outputs of 'R_LAYERS' are callable even if not seen in UI. # Only outputs that represent used passes should be taken into account # Check if pass represented by output is used. # global 'rl_outputs' list will be used for that for rlo in rl_outputs: pass_used = False # initial value. Will be set to True if pass is used if out.name == 'Alpha': # Alpha output is always present. Doesn't have representation in render pass. Assume it's used. pass_used = True elif out.name in {rlo.output_name, rlo.exr_output_name}: # example 'render_pass' entry: 'use_pass_uv' Check if True in scene render layers pass_used = getattr(active.scene.view_layers[active.layer], rlo.render_pass) break if pass_used: outputs.append(out) doit = True # Will be changed to False when links successfully added to previous output. for out in outputs: if doit: for node in selected: dst_name = node.name # Will be compared with src_name if needed. # When node has label - use it as dst_name if node.label: dst_name = node.label valid = True # Initial value. Will be changed to False if names don't match. src_name = dst_name # If names not used - this assignment will keep valid = True. if use_node_name: # Set src_name to source node name or label src_name = active.name if active.label: src_name = active.label elif use_outputs_names: src_name = (out.name, ) for rlo in rl_outputs: if out.name in {rlo.output_name, rlo.exr_output_name}: src_name = (rlo.output_name, rlo.exr_output_name) if dst_name not in src_name: valid = False if valid: for input in node.inputs: if input.type == out.type or node.type == 'REROUTE': if replace or not input.is_linked: connect_sockets(out, input) if not use_node_name and not use_outputs_names: doit = False break return {'FINISHED'} class NWAlignNodes(Operator, NWBase): '''Align the selected nodes neatly in a row/column''' bl_idname = "node.nw_align_nodes" bl_label = "Align Nodes" bl_options = {'REGISTER', 'UNDO'} margin: IntProperty(name='Margin', default=50, description='The amount of space between nodes') @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_not_empty(cls, context) def execute(self, context): nodes, links = get_nodes_links(context) margin = self.margin selection = [] for node in nodes: if node.select and node.type != 'FRAME': selection.append(node) # If no nodes are selected, align all nodes active_loc = None if not selection: selection = nodes elif nodes.active in selection: active_loc = copy(nodes.active.location) # make a copy, not a reference # Check if nodes should be laid out horizontally or vertically # use dimension to get center of node, not corner x_locs = [n.location.x + (n.dimensions.x / 2) for n in selection] y_locs = [n.location.y - (n.dimensions.y / 2) for n in selection] x_range = max(x_locs) - min(x_locs) y_range = max(y_locs) - min(y_locs) mid_x = (max(x_locs) + min(x_locs)) / 2 mid_y = (max(y_locs) + min(y_locs)) / 2 horizontal = x_range > y_range # Sort selection by location of node mid-point if horizontal: selection = sorted(selection, key=lambda n: n.location.x + (n.dimensions.x / 2)) else: selection = sorted(selection, key=lambda n: n.location.y - (n.dimensions.y / 2), reverse=True) # Alignment current_pos = 0 for node in selection: current_margin = margin current_margin = current_margin * 0.5 if node.hide else current_margin # use a smaller margin for hidden nodes if horizontal: node.location.x = current_pos current_pos += current_margin + node.dimensions.x node.location.y = mid_y + (node.dimensions.y / 2) else: node.location.y = current_pos current_pos -= (current_margin * 0.3) + node.dimensions.y # use half-margin for vertical alignment node.location.x = mid_x - (node.dimensions.x / 2) # If active node is selected, center nodes around it if active_loc is not None: active_loc_diff = active_loc - nodes.active.location for node in selection: node.location += active_loc_diff else: # Position nodes centered around where they used to be locs = ([n.location.x + (n.dimensions.x / 2) for n in selection] ) if horizontal else ([n.location.y - (n.dimensions.y / 2) for n in selection]) new_mid = (max(locs) + min(locs)) / 2 for node in selection: if horizontal: node.location.x += (mid_x - new_mid) else: node.location.y += (mid_y - new_mid) return {'FINISHED'} class NWSelectParentChildren(Operator, NWBase): bl_idname = "node.nw_select_parent_child" bl_label = "Select Parent or Children" bl_options = {'REGISTER', 'UNDO'} option: EnumProperty( name="Option", items=( ('PARENT', 'Select Parent', 'Select Parent Frame'), ('CHILD', 'Select Children', 'Select members of selected frame'), ) ) @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context) def execute(self, context): nodes, links = get_nodes_links(context) option = self.option selected = [node for node in nodes if node.select] if option == 'PARENT': for sel in selected: parent = sel.parent if parent: parent.select = True else: # option == 'CHILD' for sel in selected: children = [node for node in nodes if node.parent == sel] for kid in children: kid.select = True return {'FINISHED'} class NWDetachOutputs(Operator, NWBase): """Detach outputs of selected node leaving inputs linked""" bl_idname = "node.nw_detach_outputs" bl_label = "Detach Outputs" bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): return nw_check(cls, context) and nw_check_selected(cls, context) def execute(self, context): nodes, links = get_nodes_links(context) selected = context.selected_nodes bpy.ops.node.duplicate_move_keep_inputs() new_nodes = context.selected_nodes bpy.ops.node.select_all(action="DESELECT") for node in selected: node.select = True bpy.ops.node.delete_reconnect() for new_node in new_nodes: new_node.select = True bpy.ops.transform.translate('INVOKE_DEFAULT') return {'FINISHED'} class NWLinkToOutputNode(Operator): """Link to Composite node or Material Output node""" bl_idname = "node.nw_link_out" bl_label = "Connect to Output" bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): """Disabled for custom nodes as we do not know which nodes are outputs.""" return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree', 'TextureNodeTree', 'GeometryNodeTree'}) and nw_check_active(cls, context) and nw_check_visible_outputs(cls, context)) def execute(self, context): nodes, links = get_nodes_links(context) active = nodes.active output_index = None tree_type = context.space_data.tree_type shader_outputs = {'OBJECT': 'ShaderNodeOutputMaterial', 'WORLD': 'ShaderNodeOutputWorld', 'LINESTYLE': 'ShaderNodeOutputLineStyle'} output_type = { 'ShaderNodeTree': shader_outputs[context.space_data.shader_type], 'CompositorNodeTree': 'CompositorNodeComposite', 'TextureNodeTree': 'TextureNodeOutput', 'GeometryNodeTree': 'NodeGroupOutput', }[tree_type] for node in nodes: # check whether the node is an output node and, # if supported, whether it's the active one if node.rna_type.identifier == output_type \ and (node.is_active_output if hasattr(node, 'is_active_output') else True): output_node = node break else: # No output node exists bpy.ops.node.select_all(action="DESELECT") output_node = nodes.new(output_type) output_node.location.x = active.location.x + active.dimensions.x + 80 output_node.location.y = active.location.y if active.outputs: for i, output in enumerate(active.outputs): if is_visible_socket(output): output_index = i break for i, output in enumerate(active.outputs): if output.type == output_node.inputs[0].type and is_visible_socket(output): output_index = i break out_input_index = 0 if tree_type == 'ShaderNodeTree': if active.outputs[output_index].name == 'Volume': out_input_index = 1 elif active.outputs[output_index].name == 'Displacement': out_input_index = 2 elif tree_type == 'GeometryNodeTree': if active.outputs[output_index].type != 'GEOMETRY': return {'CANCELLED'} connect_sockets(active.outputs[output_index], output_node.inputs[out_input_index]) force_update(context) # viewport render does not update return {'FINISHED'} class NWMakeLink(Operator, NWBase): """Make a link from one socket to another""" bl_idname = 'node.nw_make_link' bl_label = 'Make Link' bl_options = {'REGISTER', 'UNDO'} from_socket: IntProperty() to_socket: IntProperty() def execute(self, context): nodes, links = get_nodes_links(context) n1 = nodes[context.scene.NWLazySource] n2 = nodes[context.scene.NWLazyTarget] connect_sockets(n1.outputs[self.from_socket], n2.inputs[self.to_socket]) force_update(context) return {'FINISHED'} class NWCallInputsMenu(Operator, NWBase): """Link from this output""" bl_idname = 'node.nw_call_inputs_menu' bl_label = 'Make Link' bl_options = {'REGISTER', 'UNDO'} from_socket: IntProperty() def execute(self, context): nodes, links = get_nodes_links(context) context.scene.NWSourceSocket = self.from_socket n1 = nodes[context.scene.NWLazySource] n2 = nodes[context.scene.NWLazyTarget] if len(n2.inputs) > 1: bpy.ops.wm.call_menu("INVOKE_DEFAULT", name=NWConnectionListInputs.bl_idname) elif len(n2.inputs) == 1: connect_sockets(n1.outputs[self.from_socket], n2.inputs[0]) return {'FINISHED'} class NWAddSequence(Operator, NWBase, ImportHelper): """Add an Image Sequence""" bl_idname = 'node.nw_add_sequence' bl_label = 'Import Image Sequence' bl_options = {'REGISTER', 'UNDO'} directory: StringProperty( subtype="DIR_PATH" ) filename: StringProperty( subtype="FILE_NAME" ) files: CollectionProperty( type=bpy.types.OperatorFileListElement, options={'HIDDEN', 'SKIP_SAVE'} ) relative_path: BoolProperty( name='Relative Path', description='Set the file path relative to the blend file, when possible', default=True ) @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree'})) def draw(self, context): layout = self.layout layout.alignment = 'LEFT' layout.prop(self, 'relative_path') def execute(self, context): nodes, links = get_nodes_links(context) directory = self.directory filename = self.filename files = self.files tree = context.space_data.node_tree # DEBUG # print ("\nDIR:", directory) # print ("FN:", filename) # print ("Fs:", list(f.name for f in files), '\n') if tree.type == 'SHADER': node_type = "ShaderNodeTexImage" elif tree.type == 'COMPOSITING': node_type = "CompositorNodeImage" else: self.report({'ERROR'}, "Unsupported node tree type") return {'CANCELLED'} if not files[0].name and not filename: self.report({'ERROR'}, "No file chosen") return {'CANCELLED'} elif files[0].name and (not filename or not path.exists(directory + filename)): # User has selected multiple files without an active one, or the active one is non-existent filename = files[0].name if not path.exists(directory + filename): self.report({'ERROR'}, rpt_("{} does not exist").format(filename)) return {'CANCELLED'} without_ext = '.'.join(filename.split('.')[:-1]) # if last digit isn't a number, it's not a sequence if not without_ext[-1].isdigit(): self.report({'ERROR'}, rpt_("{} does not seem to be part of a sequence").format(filename)) return {'CANCELLED'} extension = filename.split('.')[-1] reverse = without_ext[::-1] # reverse string count_numbers = 0 for char in reverse: if char.isdigit(): count_numbers += 1 else: break without_num = without_ext[:count_numbers * -1] files = sorted(glob(directory + without_num + "[0-9]" * count_numbers + "." + extension)) num_frames = len(files) nodes_list = [node for node in nodes] if nodes_list: nodes_list.sort(key=lambda k: k.location.x) xloc = nodes_list[0].location.x - 220 # place new nodes at far left yloc = 0 for node in nodes: node.select = False yloc += node_mid_pt(node, 'y') yloc = yloc / len(nodes) else: xloc = 0 yloc = 0 name_with_hashes = without_num + "#" * count_numbers + '.' + extension bpy.ops.node.add_node('INVOKE_DEFAULT', use_transform=True, type=node_type) node = nodes.active node.label = name_with_hashes filepath = directory + (without_ext + '.' + extension) if self.relative_path: if bpy.data.filepath: try: filepath = bpy.path.relpath(filepath) except ValueError: pass img = bpy.data.images.load(filepath) img.source = 'SEQUENCE' img.name = name_with_hashes node.image = img image_user = node.image_user if tree.type == 'SHADER' else node # separate the number from the file name of the first file image_user.frame_offset = int(files[0][len(without_num) + len(directory):-1 * (len(extension) + 1)]) - 1 image_user.frame_duration = num_frames return {'FINISHED'} class NWAddMultipleImages(Operator, NWBase, ImportHelper): """Add multiple images at once""" bl_idname = 'node.nw_add_multiple_images' bl_label = 'Open Selected Images' bl_options = {'REGISTER', 'UNDO'} directory: StringProperty( subtype="DIR_PATH" ) files: CollectionProperty( type=bpy.types.OperatorFileListElement, options={'HIDDEN', 'SKIP_SAVE'} ) @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_space_type(cls, context, {'ShaderNodeTree', 'CompositorNodeTree'})) def execute(self, context): nodes, links = get_nodes_links(context) xloc, yloc = context.region.view2d.region_to_view(context.area.width / 2, context.area.height / 2) if context.space_data.node_tree.type == 'SHADER': node_type = "ShaderNodeTexImage" elif context.space_data.node_tree.type == 'COMPOSITING': node_type = "CompositorNodeImage" new_nodes = [] for f in self.files: fname = f.name node = nodes.new(node_type) new_nodes.append(node) node.label = fname node.hide = True node.location.x = xloc node.location.y = yloc yloc -= 40 img = bpy.data.images.load(self.directory + fname) node.image = img # shift new nodes up to center of tree list_size = new_nodes[0].location.y - new_nodes[-1].location.y for node in nodes: if node in new_nodes: node.select = True node.location.y += (list_size / 2) else: node.select = False return {'FINISHED'} class NWSaveViewer(bpy.types.Operator, ExportHelper): """Save the current viewer node to an image file""" bl_idname = "node.nw_save_viewer" bl_label = "Save This Image" filepath: StringProperty(subtype="FILE_PATH") filename_ext: EnumProperty( name="Format", description="Choose the file format to save to", items=(('.bmp', "BMP", ""), ('.rgb', 'IRIS', ""), ('.png', 'PNG', ""), ('.jpg', 'JPEG', ""), ('.jp2', 'JPEG2000', ""), ('.tga', 'TARGA', ""), ('.cin', 'CINEON', ""), ('.dpx', 'DPX', ""), ('.exr', 'OPEN_EXR', ""), ('.hdr', 'HDR', ""), ('.tif', 'TIFF', "")), default='.png', ) @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_space_type(cls, context, {'CompositorNodeTree'}) and nw_check_viewer_node(cls)) def execute(self, context): fp = self.filepath if fp: formats = { '.bmp': 'BMP', '.rgb': 'IRIS', '.png': 'PNG', '.jpg': 'JPEG', '.jpeg': 'JPEG', '.jp2': 'JPEG2000', '.tga': 'TARGA', '.cin': 'CINEON', '.dpx': 'DPX', '.exr': 'OPEN_EXR', '.hdr': 'HDR', '.tiff': 'TIFF', '.tif': 'TIFF'} basename, ext = path.splitext(fp) old_render_format = context.scene.render.image_settings.file_format context.scene.render.image_settings.file_format = formats[self.filename_ext] context.area.type = "IMAGE_EDITOR" context.area.spaces[0].image = bpy.data.images['Viewer Node'] context.area.spaces[0].image.save_render(fp) context.area.type = "NODE_EDITOR" context.scene.render.image_settings.file_format = old_render_format return {'FINISHED'} class NWResetNodes(bpy.types.Operator): """Reset Nodes in Selection""" bl_idname = "node.nw_reset_nodes" bl_label = "Reset Nodes" bl_options = {'REGISTER', 'UNDO'} @classmethod def poll(cls, context): return (nw_check(cls, context) and nw_check_selected(cls, context) and nw_check_active(cls, context)) def execute(self, context): node_active = context.active_node node_selected = context.selected_nodes node_ignore = ["FRAME", "REROUTE", "GROUP", "SIMULATION_INPUT", "SIMULATION_OUTPUT"] active_node_name = node_active.name if node_active.select else None valid_nodes = [n for n in node_selected if n.type not in node_ignore] # Create output lists selected_node_names = [n.name for n in node_selected] success_names = [] # Reset all valid children in a frame node_active_is_frame = False if len(node_selected) == 1 and node_active.type == "FRAME": node_tree = node_active.id_data children = [n for n in node_tree.nodes if n.parent == node_active] if children: valid_nodes = [n for n in children if n.type not in node_ignore] selected_node_names = [n.name for n in children if n.type not in node_ignore] node_active_is_frame = True # Check if valid nodes in selection if not (len(valid_nodes) > 0): # Check for frames only frames_selected = [n for n in node_selected if n.type == "FRAME"] if (len(frames_selected) > 1 and len(frames_selected) == len(node_selected)): self.report({'ERROR'}, "Please select only 1 frame to reset") else: self.report({'ERROR'}, "No valid node(s) in selection") return {'CANCELLED'} # Report nodes that are not valid if len(valid_nodes) != len(node_selected) and node_active_is_frame is False: valid_node_names = [n.name for n in valid_nodes] not_valid_names = list(set(selected_node_names) - set(valid_node_names)) self.report({'INFO'}, rpt_("Ignored {}").format(", ".join(not_valid_names))) # Deselect all nodes for i in node_selected: i.select = False # Run through all valid nodes for node in valid_nodes: parent = node.parent if node.parent else None node_loc = [node.location.x, node.location.y] node_tree = node.id_data props_to_copy = 'bl_idname name location height width'.split(' ') reconnections = [] mappings = chain.from_iterable([node.inputs, node.outputs]) for i in (i for i in mappings if i.is_linked): for L in i.links: reconnections.append([L.from_socket.path_from_id(), L.to_socket.path_from_id()]) props = {j: getattr(node, j) for j in props_to_copy} new_node = node_tree.nodes.new(props['bl_idname']) props_to_copy.pop(0) for prop in props_to_copy: setattr(new_node, prop, props[prop]) nodes = node_tree.nodes nodes.remove(node) new_node.name = props['name'] if parent: new_node.parent = parent new_node.location = node_loc for str_from, str_to in reconnections: connect_sockets(eval(str_from), eval(str_to)) new_node.select = False success_names.append(new_node.name) # Reselect all nodes if selected_node_names and node_active_is_frame is False: for i in selected_node_names: node_tree.nodes[i].select = True if active_node_name is not None: node_tree.nodes[active_node_name].select = True node_tree.nodes.active = node_tree.nodes[active_node_name] message = rpt_("Successfully reset {}").format(", ".join(success_names)) self.report({'INFO'}, message) return {'FINISHED'} classes = ( NWLazyMix, NWLazyConnect, NWDeleteUnused, NWSwapLinks, NWResetBG, NWAddAttrNode, NWFrameSelected, NWReloadImages, NWMergeNodes, NWBatchChangeNodes, NWChangeMixFactor, NWCopySettings, NWCopyLabel, NWClearLabel, NWModifyLabels, NWAddTextureSetup, NWAddPrincipledSetup, NWAddReroutes, NWLinkActiveToSelected, NWAlignNodes, NWSelectParentChildren, NWDetachOutputs, NWLinkToOutputNode, NWMakeLink, NWCallInputsMenu, NWAddSequence, NWAddMultipleImages, NWSaveViewer, NWResetNodes, ) def register(): from bpy.utils import register_class for cls in classes: register_class(cls) def unregister(): from bpy.utils import unregister_class for cls in classes: unregister_class(cls)