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Fix reslice when deleting nodes, fix moving groups. CURA-3412

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This commit is contained in:
Jack Ha 2017-03-01 10:53:53 +01:00
parent 807542cc1f
commit 0eec48b9e3
1 changed files with 20 additions and 7 deletions
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27
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -105,6 +105,7 @@ class CuraEngineBackend(QObject, Backend):
self._backend_log_max_lines = 20000 # Maximum number of lines to buffer
self._error_message = None # Pop-up message that shows errors.
self._last_num_objects = 0 # Count number of objects to see if there is something changed
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected)
@ -346,16 +347,28 @@ class CuraEngineBackend(QObject, Backend):
if type(source) is not SceneNode:
return
if source is self._scene.getRoot():
return
root_scene_nodes_changed = False
if source == self._scene.getRoot():
num_objects = 0
for node in DepthFirstIterator(self._scene.getRoot()):
# For now this seems to be a reliable method to check for nodes that impact slicing
# From: SliceInfo, _onWriteStarted
if type(node) is not SceneNode or not node.getMeshData():
continue
num_objects += 1
if num_objects != self._last_num_objects:
self._last_num_objects = num_objects
root_scene_nodes_changed = True
else:
return
self.determineAutoSlicing()
if source.getMeshData() is None:
return
if source.getMeshData().getVertices() is None:
return
if not source.callDecoration("isGroup") and not root_scene_nodes_changed:
if source.getMeshData() is None:
return
if source.getMeshData().getVertices() is None:
return
self.needsSlicing()
self.stopSlicing()