615 lines
23 KiB
Python
615 lines
23 KiB
Python
from __future__ import annotations
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from typing import Any
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import numpy as np
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from ..bpy_ns_types import NfBoolProperty, NfEnumProperty, NfIntProperty, NfFloatProperty, NfStringProperty, notify_tree_changed
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from ....registry import register_class
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from .base import SliceNode, SlicingCollection, get_all_children, SliceNodeJoiner, SlicingGroup, SlicingObject
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@register_class
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class SLICENODE_GetMesh(SliceNode):
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bl_label = "Get Mesh"
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include_children: NfBoolProperty(name="Include Children", default=True) # pyright: ignore[reportInvalidTypeForm]
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def init(self, context):
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self.add_input("SLICESOCK_Object")
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self.add_output("SLICESOCK_Mesh")
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def draw_buttons(self, context, layout):
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assert layout
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layout.prop(self, "include_children")
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingCollection | None:
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if socket_name != "Mesh": return None
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obj: Any = self.resolve("Object")
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if not obj: return None
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family = [obj] + (get_all_children(obj) if self.include_children else [])
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sc: SlicingCollection = SlicingCollection(family, obj.name)
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return sc
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@register_class
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class SLICENODE_JoinMesh(SliceNodeJoiner):
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bl_label = "Join Mesh Parts"
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socket_type = "SLICESOCK_Mesh"
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingCollection:
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from ....infra.blender.blender_slice_nodes_generic import resolve_input
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merged_coll = resolve_input(self.inputs[0]) or SlicingCollection([],'')
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for input in self.inputs[1:]:
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coll = resolve_input(input)
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if coll:
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merged_coll.objects += coll.objects
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return merged_coll
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@register_class
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class SLICENODE_JoinMeshGroups(SliceNodeJoiner):
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bl_label = "Join Mesh Groups"
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socket_type = "SLICESOCK_Mesh"
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def init(self, context):
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self.add_output(self.output_socket_type or self.socket_type, display_shape='LIST')
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self.add_multi_socket_group(self.socket_type)
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingGroup:
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from ....infra.blender.blender_slice_nodes_generic import resolve_input
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group: SlicingGroup = SlicingGroup([])
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for input in self.inputs:
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coll = resolve_input(input)
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if coll:
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group.collections[coll.objects[0].name] = coll
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return group
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@register_class
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class SLICENODE_SeparateMesh(SliceNode):
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bl_label = "Separate Mesh"
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comparison: NfEnumProperty(
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name="Comparison",
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items=[
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('EQUAL', "Equal", "=="),
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('NOT_EQUAL', "Not Equal", "!="),
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('GREATER_THAN', "Greater Than", ">"),
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('LESS_THAN', "Less Than", "<"),
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('GREATER_EQUAL', "Greater Equal", ">="),
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('LESS_EQUAL', "Less Equal", "<="),
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],
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default='EQUAL',
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update=notify_tree_changed
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) # pyright: ignore[reportInvalidTypeForm]
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def init(self, context):
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self.add_input("SLICESOCK_Mesh")
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self.add_input("SLICESOCK_String", "Attribute")
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self.add_input("SLICESOCK_Float", "Value")
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self.add_output("SLICESOCK_Mesh", "Selection")
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self.add_output("SLICESOCK_Mesh", "Inverted")
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def draw_buttons(self, context, layout):
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assert layout
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layout.prop(self, "comparison", text="")
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingCollection | None:
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coll: SlicingCollection | None = self.resolve("Mesh")
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attr_name: str = self.resolve("Attribute")
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value: float = self.resolve("Value")
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if not coll: return None
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res_selection = SlicingCollection([], coll.name + "_selection")
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res_inverted = SlicingCollection([], coll.name + "_inverted")
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for so in coll.objects:
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if attr_name not in so.attributes:
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# If attribute missing, entire object goes to inverted
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res_inverted.objects.append(so)
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continue
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attr = so.attributes[attr_name]
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vals = attr["values"]
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mask = np.zeros(len(so.mesh), dtype=bool)
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if self.comparison == 'EQUAL': mask = vals == value
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elif self.comparison == 'NOT_EQUAL': mask = vals != value
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elif self.comparison == 'GREATER_THAN': mask = vals > value
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elif self.comparison == 'LESS_THAN': mask = vals < value
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elif self.comparison == 'GREATER_EQUAL': mask = vals >= value
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elif self.comparison == 'LESS_EQUAL': mask = vals <= value
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if np.all(mask):
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res_selection.objects.append(so)
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elif not np.any(mask):
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res_inverted.objects.append(so)
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else:
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# Split the object
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so_sel = SlicingObject()
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so_sel.name = so.name + "_sel"
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so_sel.parent = so.parent
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so_sel.object_type = so.object_type
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so_sel.extruder = so.extruder
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so_sel.mesh = so.mesh[mask]
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for k, v in so.attributes.items():
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so_sel.attributes[k] = {
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"domain": v["domain"],
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"type": v["type"],
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"values": v["values"][mask]
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}
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res_selection.objects.append(so_sel)
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so_inv = SlicingObject()
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so_inv.name = so.name + "_inv"
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so_inv.parent = so.parent
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so_inv.object_type = so.object_type
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so_inv.extruder = so.extruder
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so_inv.mesh = so.mesh[~mask]
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for k, v in so.attributes.items():
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so_inv.attributes[k] = {
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"domain": v["domain"],
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"type": v["type"],
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"values": v["values"][~mask]
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}
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res_inverted.objects.append(so_inv)
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if socket_name == "Selection":
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return res_selection
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return res_inverted
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@register_class
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class SLICENODE_SeparateMeshByRange(SliceNode):
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bl_label = "Separate Mesh by Range"
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start_val: NfIntProperty(name="Start", default=0, update=notify_tree_changed) # pyright: ignore[reportInvalidTypeForm]
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end_val: NfIntProperty(name="End", default=1, update=notify_tree_changed) # pyright: ignore[reportInvalidTypeForm]
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def init(self, context):
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self.add_input("SLICESOCK_Mesh")
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self.add_input("SLICESOCK_String", "Attribute")
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self._update_outputs()
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def update(self):
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super().update()
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self._update_outputs()
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def _update_outputs(self):
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# Ensure end >= start
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start = self.start_val
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end = max(start, self.end_val)
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expected_ids = [str(i) for i in range(start, end + 1)]
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# Remove outputs that are no longer in the range
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# We use a list to avoid modification-during-iteration issues
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to_remove = [o for o in self.outputs if o.identifier not in expected_ids]
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for o in to_remove:
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self.outputs.remove(o)
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# Add new outputs
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for id_str in expected_ids:
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if id_str not in self.outputs:
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self.add_output("SLICESOCK_Mesh", id_str, identifier=id_str)
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# Re-order to match range
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for i, id_str in enumerate(expected_ids):
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current_index = self.outputs.find(id_str)
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if current_index != -1 and current_index != i:
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self.outputs.move(current_index, i)
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def draw_buttons(self, context, layout):
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assert layout
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col = layout.column(align=True)
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col.prop(self, "start_val")
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col.prop(self, "end_val")
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingCollection | None:
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coll: SlicingCollection | None = self.resolve("Mesh")
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attr_name: str = self.resolve("Attribute")
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if not coll: return None
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# Check if we can parse the socket name as an integer
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try:
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target_val = int(socket_name)
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except ValueError:
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return None
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res = SlicingCollection([], f"{coll.name}_{target_val}")
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for so in coll.objects:
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if attr_name not in so.attributes:
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continue
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attr = so.attributes[attr_name]
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vals = attr["values"]
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# Attribute values might be floats or ints, we check for equality
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mask = vals == target_val
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if np.all(mask):
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res.objects.append(so)
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elif np.any(mask):
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# Split the object
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so_new = SlicingObject()
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so_new.name = f"{so.name}_{target_val}"
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so_new.parent = so.parent
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so_new.object_type = so.object_type
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so_new.extruder = so.extruder
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so_new.mesh = so.mesh[mask]
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for k, v in so.attributes.items():
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so_new.attributes[k] = {
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"domain": v["domain"],
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"type": v["type"],
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"values": v["values"][mask]
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}
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res.objects.append(so_new)
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return res
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@register_class
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class SLICENODE_ArrangeMesh(SliceNode):
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bl_label = "Arrange Slicing Group"
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method: NfEnumProperty(
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name="Method",
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items=[
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('NFP', "NFP (Default)", "Nest using No-Fit Polygon placer + First-Fit selection"),
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('BL', "Bottom-Left", "Nest using Bottom-Left placer + First-Fit selection"),
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('DJD', "DJD Heuristic", "Nest using No-Fit Polygon placer + DJD Heuristic selection"),
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],
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default='NFP',
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update=notify_tree_changed
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) # pyright: ignore[reportInvalidTypeForm]
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allow_rotations: NfBoolProperty(
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name="Allow Rotations",
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default=True,
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update=notify_tree_changed
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) # pyright: ignore[reportInvalidTypeForm]
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def init(self, context):
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self.add_input("SLICESOCK_Mesh", "Slicing Group", display_shape='LIST')
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self.add_input("SLICESOCK_Float", "Bed X").value = 250.0
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self.add_input("SLICESOCK_Float", "Bed Y").value = 250.0
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self.add_input("SLICESOCK_Float", "Spacing").value = 2.0
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self.add_output("SLICESOCK_Mesh", "Slicing Group", display_shape='LIST')
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def draw_buttons(self, context, layout):
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assert layout
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layout.prop(self, "method", text="")
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layout.prop(self, "allow_rotations")
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingGroup | None:
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if socket_name != "Slicing Group":
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return None
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mesh_data: SlicingCollection | SlicingGroup | None = self.resolve("Slicing Group")
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if not mesh_data:
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return None
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bed_x: float = self.resolve("Bed X") or 250.0
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bed_y: float = self.resolve("Bed Y") or 250.0
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spacing: float = self.resolve("Spacing") or 2.0
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# Convert input to SlicingGroup if it's a SlicingCollection
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if isinstance(mesh_data, SlicingGroup):
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slicing_group = mesh_data
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else:
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slicing_group = SlicingGroup([])
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slicing_group.collections = {mesh_data.name: mesh_data}
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# Create a deep copy of the group to avoid mutating cached inputs
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copied_group = _copy_slicing_group(slicing_group)
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# Prepare the list of items to pack
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import pynest2d
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items_list = []
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collection_map = {}
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for name, sc in copied_group.collections.items():
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if sc.min_x is None or sc.max_x is None or sc.min_y is None or sc.max_y is None:
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continue
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w_mm = sc.max_x - sc.min_x
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h_mm = sc.max_y - sc.min_y
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if w_mm <= 0 or h_mm <= 0:
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continue
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w = pynest2d.mm(w_mm)
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h = pynest2d.mm(h_mm)
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item = pynest2d.Rectangle(w, h)
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items_list.append(item)
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collection_map[id(item)] = (name, sc)
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if not items_list:
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return copied_group
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# Define the bin
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bin_w = pynest2d.mm(bed_x)
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bin_h = pynest2d.mm(bed_y)
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bin_center = pynest2d.Point(pynest2d.mm(bed_x / 2.0), pynest2d.mm(bed_y / 2.0))
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box = pynest2d.Box(bin_w, bin_h, bin_center)
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# Spacing in internal units
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spacing_units = pynest2d.mm(spacing)
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# Configure and run the selected placer
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placer = getattr(self, "method", "NFP")
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allow_rot = getattr(self, "allow_rotations", True)
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if placer == 'BL':
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config = pynest2d.BLConfig()
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config.allow_rotations = allow_rot
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pynest2d.nest_blp(items_list, box, spacing_units, config)
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elif placer == 'DJD':
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placer_config = pynest2d.NfpConfig()
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if not allow_rot:
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placer_config.rotations = [0.0]
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pynest2d.nest_djd(items_list, box, spacing_units, placer_config)
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else: # 'NFP'
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config = pynest2d.NfpConfig()
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if not allow_rot:
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config.rotations = [0.0]
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pynest2d.nest(items_list, box, spacing_units, config)
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# Apply the resulting translations and rotations to the copied collections
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for item in items_list:
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bin_id = item.binId()
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if bin_id == 0:
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name, sc = collection_map[id(item)]
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trans = item.translation()
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rot = item.rotation()
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tx = trans.x() / pynest2d.MM_IN_COORDS
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ty = trans.y() / pynest2d.MM_IN_COORDS
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min_x = sc.min_x
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min_y = sc.min_y
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cos_val = np.cos(rot)
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sin_val = np.sin(rot)
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for so in sc.objects:
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if so.mesh is None or so.mesh.size == 0:
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continue
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vx = so.mesh[:, :3, 0]
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vy = so.mesh[:, :3, 1]
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vx_new = (vx - min_x) * cos_val - (vy - min_y) * sin_val + tx
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vy_new = (vx - min_x) * sin_val + (vy - min_y) * cos_val + ty
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so.mesh[:, :3, 0] = vx_new
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so.mesh[:, :3, 1] = vy_new
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nx = so.mesh[:, 3, 0]
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ny = so.mesh[:, 3, 1]
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nx_new = nx * cos_val - ny * sin_val
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ny_new = nx * sin_val + ny * cos_val
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so.mesh[:, 3, 0] = nx_new
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so.mesh[:, 3, 1] = ny_new
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else:
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name, sc = collection_map[id(item)]
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print(f"Warning: Collection '{name}' did not fit on the build plate (binId: {bin_id})")
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return copied_group
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def _copy_slicing_object(so: SlicingObject) -> SlicingObject:
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new_so = SlicingObject()
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new_so.name = so.name
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new_so.parent = so.parent
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new_so.mesh = so.mesh.copy() if so.mesh is not None else np.empty((0, 4, 3))
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new_so.attributes = {}
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for k, v in so.attributes.items():
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new_so.attributes[k] = {
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"domain": v["domain"],
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"type": v["type"],
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"values": v["values"].copy() if isinstance(v["values"], np.ndarray) else v["values"]
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}
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new_so.object_type = so.object_type
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new_so.modifiers = so.modifiers.copy() if so.modifiers else []
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new_so.extruder = so.extruder
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new_so.transforms = [dict(t) for t in getattr(so, "transforms", [])]
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return new_so
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def _copy_slicing_collection(sc: SlicingCollection) -> SlicingCollection:
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new_sc = SlicingCollection([], sc.name)
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new_sc.objects = [_copy_slicing_object(so) for so in sc.objects]
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new_sc.transforms = [dict(t) for t in getattr(sc, "transforms", [])]
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return new_sc
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def _copy_slicing_group(sg: SlicingGroup) -> SlicingGroup:
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new_sg = SlicingGroup([])
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new_sg.collections = {k: _copy_slicing_collection(sc) for k, sc in sg.collections.items()}
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new_sg.wipe_tower_xy = sg.wipe_tower_xy.copy()
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new_sg.wipe_tower_rotation_deg = sg.wipe_tower_rotation_deg
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new_sg.object_offset = sg.object_offset.copy()
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new_sg.transforms = [dict(t) for t in getattr(sg, "transforms", [])]
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return new_sg
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@register_class
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class SLICENODE_TransformGeometry(SliceNode):
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bl_label = "Transform Geometry"
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def init(self, context):
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self.add_input("SLICESOCK_Mesh", "Mesh")
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self.add_input("SLICESOCK_Vector", "Translation")
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self.add_input("SLICESOCK_VectorRotation", "Rotation")
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self.add_input("SLICESOCK_Vector", "Scale").value = (1.0, 1.0, 1.0)
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self.add_output("SLICESOCK_Mesh", "Mesh")
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def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingCollection | SlicingGroup | None:
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if socket_name != "Mesh":
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return None
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mesh_data: SlicingCollection | SlicingGroup | None = self.resolve("Mesh")
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if not mesh_data:
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return None
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translation = self.resolve("Translation") or (0.0, 0.0, 0.0)
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rotation = self.resolve("Rotation") or (0.0, 0.0, 0.0)
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scale = self.resolve("Scale") or (1.0, 1.0, 1.0)
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t_arr = np.array(translation, dtype=np.float64)
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r_arr = np.array(rotation, dtype=np.float64)
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s_arr = np.array(scale, dtype=np.float64)
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if isinstance(mesh_data, SlicingGroup):
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copied_data = _copy_slicing_group(mesh_data)
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for col in copied_data.collections.values():
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if any(s != 1.0 for s in s_arr):
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col.scale(s_arr)
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if any(r != 0.0 for r in r_arr):
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col.rotate(r_arr)
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if any(t != 0.0 for t in t_arr):
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col.offset(t_arr)
|
|
# Also offset wipe tower location
|
|
if any(t != 0.0 for t in t_arr):
|
|
copied_data.wipe_tower_xy = copied_data.wipe_tower_xy + t_arr[0:2]
|
|
if any(r != 0.0 for r in r_arr):
|
|
rz = r_arr[2]
|
|
cz, sz = np.cos(rz), np.sin(rz)
|
|
rot_mat_2d = np.array([[cz, -sz], [sz, cz]])
|
|
copied_data.wipe_tower_xy = copied_data.wipe_tower_xy @ rot_mat_2d.T
|
|
import math
|
|
copied_data.wipe_tower_rotation_deg = round(copied_data.wipe_tower_rotation_deg + rz * 180 / math.pi, 5)
|
|
if any(s != 1.0 for s in s_arr):
|
|
copied_data.wipe_tower_xy *= s_arr[0:2]
|
|
else:
|
|
copied_data = _copy_slicing_collection(mesh_data)
|
|
if any(s != 1.0 for s in s_arr):
|
|
copied_data.scale(s_arr)
|
|
if any(r != 0.0 for r in r_arr):
|
|
copied_data.rotate(r_arr)
|
|
if any(t != 0.0 for t in t_arr):
|
|
copied_data.offset(t_arr)
|
|
|
|
t_rec = {
|
|
"type": "transform_geometry",
|
|
"translation": (float(t_arr[0]), float(t_arr[1]), float(t_arr[2])),
|
|
"rotation": (float(r_arr[0]), float(r_arr[1]), float(r_arr[2])),
|
|
"scale": (float(s_arr[0]), float(s_arr[1]), float(s_arr[2])),
|
|
}
|
|
if not hasattr(copied_data, "transforms"):
|
|
copied_data.transforms = []
|
|
copied_data.transforms.append(t_rec)
|
|
|
|
return copied_data
|
|
|
|
|
|
@register_class
|
|
class SLICENODE_DropGeometry(SliceNode):
|
|
bl_label = "Drop Geometry"
|
|
|
|
def init(self, context):
|
|
self.add_input("SLICESOCK_Mesh", "Mesh")
|
|
self.add_input("SLICESOCK_Float", "Z")
|
|
self.add_output("SLICESOCK_Mesh", "Mesh")
|
|
|
|
def evaluate_output(self, socket_name: str, **_kwargs) -> SlicingCollection | SlicingGroup | None:
|
|
if socket_name != "Mesh":
|
|
return None
|
|
|
|
mesh_data: SlicingCollection | SlicingGroup | None = self.resolve("Mesh")
|
|
if not mesh_data:
|
|
return None
|
|
|
|
z = self.resolve('Z')
|
|
if z is None:
|
|
z = 0.0
|
|
|
|
assert mesh_data.min_z is not None
|
|
min_z = round(mesh_data.min_z, 6)
|
|
offset_z = float(z - min_z)
|
|
|
|
if isinstance(mesh_data, SlicingGroup):
|
|
copied_data = _copy_slicing_group(mesh_data)
|
|
else:
|
|
copied_data = _copy_slicing_collection(mesh_data)
|
|
|
|
copied_data.offset(np.array([0.0, 0.0, offset_z], dtype=np.float64))
|
|
|
|
drop_rec = {
|
|
"type": "drop_geometry",
|
|
"target_z": float(z),
|
|
"offset_z": float(offset_z),
|
|
"translation": (0.0, 0.0, float(offset_z)),
|
|
"rotation": (0.0, 0.0, 0.0),
|
|
"scale": (1.0, 1.0, 1.0),
|
|
}
|
|
if not hasattr(copied_data, "transforms"):
|
|
copied_data.transforms = []
|
|
copied_data.transforms.append(drop_rec)
|
|
|
|
return copied_data
|
|
|
|
|
|
def _rename_slicing_item(geom: Any, new_name: str) -> Any:
|
|
if geom is None or not new_name:
|
|
return geom
|
|
elif isinstance(geom, (list, tuple)):
|
|
return [_rename_slicing_item(item, f"{new_name}_{i}" if len(geom) > 1 else new_name) for i, item in enumerate(geom)]
|
|
elif isinstance(geom, SlicingGroup):
|
|
copied = _copy_slicing_group(geom)
|
|
old_colls = dict(copied.collections)
|
|
new_colls = {}
|
|
for i, (old_key, coll) in enumerate(old_colls.items()):
|
|
coll_name = f"{new_name}_{i}" if len(old_colls) > 1 else new_name
|
|
coll.name = coll_name
|
|
for obj in coll.objects:
|
|
obj.parent = coll_name
|
|
obj.name = coll_name
|
|
new_colls[coll_name] = coll
|
|
copied.collections = new_colls
|
|
return copied
|
|
elif isinstance(geom, SlicingCollection):
|
|
copied = _copy_slicing_collection(geom)
|
|
copied.name = new_name
|
|
for obj in copied.objects:
|
|
obj.parent = new_name
|
|
obj.name = new_name
|
|
return copied
|
|
elif isinstance(geom, SlicingObject):
|
|
copied = _copy_slicing_object(geom)
|
|
copied.name = new_name
|
|
return copied
|
|
return geom
|
|
|
|
|
|
@register_class
|
|
class SLICENODE_RenameMesh(SliceNode):
|
|
bl_label = "Rename Mesh"
|
|
|
|
new_name: NfStringProperty(name="Name", default="RenamedMesh") # pyright: ignore[reportInvalidTypeForm]
|
|
|
|
def init(self, context):
|
|
self.add_input("SLICESOCK_Mesh", "Geometry")
|
|
self.add_input("SLICESOCK_String", "Name")
|
|
self.add_output("SLICESOCK_Mesh", "Geometry")
|
|
|
|
def draw_buttons(self, context, layout):
|
|
assert layout
|
|
layout.prop(self, "new_name")
|
|
|
|
def evaluate_output(self, socket_name: str, **_kwargs) -> Any:
|
|
if socket_name != "Geometry":
|
|
return None
|
|
|
|
geom: Any = self.resolve("Geometry")
|
|
if not geom:
|
|
return None
|
|
|
|
name_socket: str | None = self.resolve("Name")
|
|
target_name = name_socket if name_socket else self.new_name
|
|
if not target_name:
|
|
return geom
|
|
|
|
return _rename_slicing_item(geom, target_name)
|
|
|