mirror of
https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
synced 2025-05-02 08:44:25 +08:00
88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
from UM.Backend.Backend import Backend
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from UM.Application import Application
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from UM.Scene.SceneNode import SceneNode
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from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
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from UM.Preferences import Preferences
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from . import Cura_pb2
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from . import ProcessSlicedObjectListJob
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from . import ProcessGCodeJob
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import threading
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class CuraEngineBackend(Backend):
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def __init__(self):
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super().__init__()
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self._scene = Application.getInstance().getController().getScene()
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self._scene.sceneChanged.connect(self._onSceneChanged)
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self._sceneChangeTimer = None
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self._message_handlers[Cura_pb2.SlicedObjectList] = self._onSlicedObjectListMessage
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self._message_handlers[Cura_pb2.Progress] = self._onProgressMessage
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self._message_handlers[Cura_pb2.GCode] = self._onGCodeMessage
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self._message_handlers[Cura_pb2.ObjectPrintTime] = self._onObjectPrintTimeMessage
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def getEngineCommand(self):
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return [Preferences.getPreference("BackendLocation"), '--connect', "127.0.0.1:{0}".format(self._port)]
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def _onSceneChanged(self, source):
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if (type(source) is not SceneNode) or (source is self._scene.getRoot()):
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return
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if self._sceneChangeTimer:
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return
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self._sceneChangeTimer = threading.Timer(1, self._sceneChangeTimerFinished)
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self._sceneChangeTimer.start()
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def _onSlicedObjectListMessage(self, message):
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job = ProcessSlicedObjectListJob.ProcessSlicedObjectListJob(message)
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job.start()
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def _onProgressMessage(self, message):
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self.processingProgress.emit(message.amount)
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def _onGCodeMessage(self, message):
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job = ProcessGCodeJob.ProcessGCodeJob(message)
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job.start()
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def _onObjectPrintTimeMessage(self, message):
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pass
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def _createSocket(self):
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super()._createSocket()
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self._socket.registerMessageType(1, Cura_pb2.ObjectList)
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self._socket.registerMessageType(2, Cura_pb2.SlicedObjectList)
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self._socket.registerMessageType(3, Cura_pb2.Progress)
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self._socket.registerMessageType(4, Cura_pb2.GCode)
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self._socket.registerMessageType(5, Cura_pb2.ObjectPrintTime)
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def _sceneChangeTimerFinished(self):
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objects = []
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for node in DepthFirstIterator(self._scene.getRoot()):
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if type(node) is SceneNode and node.getMeshData():
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objects.append(node)
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msg = Cura_pb2.ObjectList()
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for object in objects:
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meshData = object.getMeshData()
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obj = msg.objects.add()
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obj.id = id(object)
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verts = meshData.getVertices()
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verts[:,[1,2]] = verts[:,[2,1]]
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obj.vertices = verts.tostring()
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#if meshData.hasNormals():
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#obj.normals = meshData.getNormalsAsByteArray()
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#if meshData.hasIndices():
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#obj.indices = meshData.getIndicesAsByteArray()
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self._socket.sendMessage(msg)
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self._sceneChangeTimer = None
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