Cura/cura/Scene/CuraSceneNode.py

93 lines
4.0 KiB
Python

from typing import List
from UM.Application import Application
from UM.Scene.SceneNode import SceneNode
from copy import deepcopy
from cura.Settings.ExtrudersModel import ExtrudersModel
## Scene nodes that are models are only seen when selecting the corresponding build plate
# Note that many other nodes can just be UM SceneNode objects.
class CuraSceneNode(SceneNode):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._outside_buildarea = False
def setOutsideBuildArea(self, new_value):
self._outside_buildarea = new_value
def isOutsideBuildArea(self):
return self._outside_buildarea or self.callDecoration("getBuildPlateNumber") < 0
def isVisible(self):
return super().isVisible() and self.callDecoration("getBuildPlateNumber") == Application.getInstance().getMultiBuildPlateModel().activeBuildPlate
def isSelectable(self) -> bool:
return super().isSelectable() and self.callDecoration("getBuildPlateNumber") == Application.getInstance().getMultiBuildPlateModel().activeBuildPlate
## Get the extruder used to print this node. If there is no active node, then the extruder in position zero is returned
# TODO The best way to do it is by adding the setActiveExtruder decorator to every node when is loaded
def getPrintingExtruder(self):
global_container_stack = Application.getInstance().getGlobalContainerStack()
per_mesh_stack = self.callDecoration("getStack")
extruders = list(global_container_stack.extruders.values())
# Use the support extruder instead of the active extruder if this is a support_mesh
if per_mesh_stack:
if per_mesh_stack.getProperty("support_mesh", "value"):
return extruders[int(global_container_stack.getProperty("support_extruder_nr", "value"))]
# It's only set if you explicitly choose an extruder
extruder_id = self.callDecoration("getActiveExtruder")
for extruder in extruders:
# Find out the extruder if we know the id.
if extruder_id is not None:
if extruder_id == extruder.getId():
return extruder
else: # If the id is unknown, then return the extruder in the position 0
try:
if extruder.getMetaDataEntry("position", default = "0") == "0": # Check if the position is zero
return extruder
except ValueError:
continue
# This point should never be reached
return None
## Return the color of the material used to print this model
def getDiffuseColor(self) -> List[float]:
printing_extruder = self.getPrintingExtruder()
material_color = "#808080" # Fallback color
if printing_extruder is not None and printing_extruder.material:
material_color = printing_extruder.material.getMetaDataEntry("color_code", default = material_color)
# Colors are passed as rgb hex strings (eg "#ffffff"), and the shader needs
# an rgba list of floats (eg [1.0, 1.0, 1.0, 1.0])
return [
int(material_color[1:3], 16) / 255,
int(material_color[3:5], 16) / 255,
int(material_color[5:7], 16) / 255,
1.0
]
## Taken from SceneNode, but replaced SceneNode with CuraSceneNode
def __deepcopy__(self, memo):
copy = CuraSceneNode()
copy.setTransformation(self.getLocalTransformation())
copy.setMeshData(self._mesh_data)
copy.setVisible(deepcopy(self._visible, memo))
copy._selectable = deepcopy(self._selectable, memo)
copy._name = deepcopy(self._name, memo)
for decorator in self._decorators:
copy.addDecorator(deepcopy(decorator, memo))
for child in self._children:
copy.addChild(deepcopy(child, memo))
self.calculateBoundingBoxMesh()
return copy
def transformChanged(self) -> None:
self._transformChanged()