Cura/cura/MultiplyObjectsJob.py
2019-01-15 11:15:37 +01:00

102 lines
4.2 KiB
Python

# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import copy
from UM.Job import Job
from UM.Operations.GroupedOperation import GroupedOperation
from UM.Message import Message
from UM.i18n import i18nCatalog
i18n_catalog = i18nCatalog("cura")
from cura.Arranging.Arrange import Arrange
from cura.Arranging.ShapeArray import ShapeArray
from UM.Application import Application
from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
class MultiplyObjectsJob(Job):
def __init__(self, objects, count, min_offset = 8):
super().__init__()
self._objects = objects
self._count = count
self._min_offset = min_offset
def run(self):
status_message = Message(i18n_catalog.i18nc("@info:status", "Multiplying and placing objects"), lifetime=0,
dismissable=False, progress=0, title = i18n_catalog.i18nc("@info:title", "Placing Objects"))
status_message.show()
scene = Application.getInstance().getController().getScene()
total_progress = len(self._objects) * self._count
current_progress = 0
global_container_stack = Application.getInstance().getGlobalContainerStack()
machine_width = global_container_stack.getProperty("machine_width", "value")
machine_depth = global_container_stack.getProperty("machine_depth", "value")
root = scene.getRoot()
scale = 0.5
arranger = Arrange.create(x = machine_width, y = machine_depth, scene_root = root, scale = scale, min_offset = self._min_offset)
processed_nodes = []
nodes = []
not_fit_count = 0
for node in self._objects:
# If object is part of a group, multiply group
current_node = node
while current_node.getParent() and (current_node.getParent().callDecoration("isGroup") or current_node.getParent().callDecoration("isSliceable")):
current_node = current_node.getParent()
if current_node in processed_nodes:
continue
processed_nodes.append(current_node)
node_too_big = False
if node.getBoundingBox().width < machine_width or node.getBoundingBox().depth < machine_depth:
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(current_node, min_offset = self._min_offset, scale = scale)
else:
node_too_big = True
found_solution_for_all = True
arranger.resetLastPriority()
for i in range(self._count):
# We do place the nodes one by one, as we want to yield in between.
new_node = copy.deepcopy(node)
solution_found = False
if not node_too_big:
solution_found = arranger.findNodePlacement(new_node, offset_shape_arr, hull_shape_arr)
if node_too_big or not solution_found:
found_solution_for_all = False
new_location = new_node.getPosition()
new_location = new_location.set(z = - not_fit_count * 20)
new_node.setPosition(new_location)
not_fit_count += 1
# Same build plate
build_plate_number = current_node.callDecoration("getBuildPlateNumber")
new_node.callDecoration("setBuildPlateNumber", build_plate_number)
for child in new_node.getChildren():
child.callDecoration("setBuildPlateNumber", build_plate_number)
nodes.append(new_node)
current_progress += 1
status_message.setProgress((current_progress / total_progress) * 100)
Job.yieldThread()
Job.yieldThread()
if nodes:
op = GroupedOperation()
for new_node in nodes:
op.addOperation(AddSceneNodeOperation(new_node, current_node.getParent()))
op.push()
status_message.hide()
if not found_solution_for_all:
no_full_solution_message = Message(i18n_catalog.i18nc("@info:status", "Unable to find a location within the build volume for all objects"), title = i18n_catalog.i18nc("@info:title", "Placing Object"))
no_full_solution_message.show()