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Refactor fix for extruder stack material diameters and nozzle sizes
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2 changed files with 62 additions and 78 deletions
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@ -41,75 +41,6 @@ class ExtruderStack(CuraContainerStack):
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# For backward compatibility: Register the extruder with the Extruder Manager
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ExtruderManager.getInstance().registerExtruder(self, stack.id)
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# Now each machine will have at least one extruder stack. If this is the first extruder, the extruder-specific
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# settings such as nozzle size and material diameter should be moved from the machine's definition_changes to
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# the this extruder's definition_changes.
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#
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# We do this here because it is tooooo expansive to do it in the version upgrade: During the version upgrade,
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# when we are upgrading a definition_changes container file, there is NO guarantee that other files such as
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# machine an extruder stack files are upgraded before this, so we cannot read those files assuming they are in
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# the latest format.
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#
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# MORE:
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# For single-extrusion machines, nozzle size is saved in the global stack, so the nozzle size value should be
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# carried to the first extruder.
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# For material diameter, it was supposed to be applied to all extruders, so its value should be copied to all
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# extruders.
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keys_to_copy = ["material_diameter", "machine_nozzle_size"] # these will be copied over to all extruders
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for key in keys_to_copy:
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# Only copy the value when this extruder doesn't have the value.
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if self.definitionChanges.hasProperty(key, "value"):
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continue
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# WARNING: this might be very dangerous and should be refactored ASAP!
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#
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# We cannot add a setting definition of "material_diameter" into the extruder's definition at runtime
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# because all other machines which uses "fdmextruder" as the extruder definition will be affected.
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#
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# The problem is that single extrusion machines have their default material diameter defined in the global
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# definitions. Now we automatically create an extruder stack for those machines using "fdmextruder"
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# definition, which doesn't have the specific "material_diameter" and "machine_nozzle_size" defined for
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# each machine. This results in wrong values which can be found in the MachineSettings dialog.
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#
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# To solve this, we put "material_diameter" back into the "fdmextruder" definition because modifying it in
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# the extruder definition will affect all machines which uses the "fdmextruder" definition. Moreover, now
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# we also check the value defined in the machine definition. If present, the value defined in the global
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# stack's definition changes container will be copied. Otherwise, we will check if the default values in the
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# machine definition and the extruder definition are the same, and if not, the default value in the machine
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# definition will be copied to the extruder stack's definition changes.
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#
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setting_value_in_global_def_changes = stack.definitionChanges.getProperty(key, "value")
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setting_value_in_global_def = stack.definition.getProperty(key, "value")
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setting_value = setting_value_in_global_def
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if setting_value_in_global_def_changes is not None:
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setting_value = setting_value_in_global_def_changes
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if setting_value == self.definition.getProperty(key, "value"):
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continue
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setting_definition = stack.getSettingDefinition(key)
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new_instance = SettingInstance(setting_definition, self.definitionChanges)
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new_instance.setProperty("value", setting_value)
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new_instance.resetState() # Ensure that the state is not seen as a user state.
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self.definitionChanges.addInstance(new_instance)
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self.definitionChanges.setDirty(True)
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# Make sure the material diameter is up to date for the extruder stack.
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if key == "material_diameter":
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from cura.CuraApplication import CuraApplication
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machine_manager = CuraApplication.getInstance().getMachineManager()
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position = self.getMetaDataEntry("position", "0")
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func = lambda p = position: CuraApplication.getInstance().getExtruderManager().updateMaterialForDiameter(p)
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machine_manager.machine_extruder_material_update_dict[stack.getId()].append(func)
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# NOTE: We cannot remove the setting from the global stack's definition changes container because for
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# material diameter, it needs to be applied to all extruders, but here we don't know how many extruders
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# a machine actually has and how many extruders has already been loaded for that machine, so we have to
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# keep this setting for any remaining extruders that haven't been loaded yet.
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#
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# Those settings will be removed in ExtruderManager which knows all those info.
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@override(ContainerStack)
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def getNextStack(self) -> Optional["GlobalStack"]:
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return super().getNextStack()
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