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Properly cache slice values to speed up sending the slice

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This commit is contained in:
Jaime van Kessel 2019-04-26 15:25:31 +02:00
parent f48bc7a047
commit 0d8b625bf8
1 changed files with 20 additions and 13 deletions
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33
plugins/CuraEngineBackend/StartSliceJob.py
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@ -334,21 +334,23 @@ class StartSliceJob(Job):
return result
def _cacheAllExtruderSettings(self):
global_stack = cast(ContainerStack, CuraApplication.getInstance().getGlobalContainerStack())
# NB: keys must be strings for the string formatter
self._all_extruders_settings = {
"-1": self._buildReplacementTokens(global_stack)
}
for extruder_stack in ExtruderManager.getInstance().getActiveExtruderStacks():
extruder_nr = extruder_stack.getProperty("extruder_nr", "value")
self._all_extruders_settings[str(extruder_nr)] = self._buildReplacementTokens(extruder_stack)
## Replace setting tokens in a piece of g-code.
# \param value A piece of g-code to replace tokens in.
# \param default_extruder_nr Stack nr to use when no stack nr is specified, defaults to the global stack
def _expandGcodeTokens(self, value: str, default_extruder_nr: int = -1) -> str:
if not self._all_extruders_settings:
global_stack = cast(ContainerStack, CuraApplication.getInstance().getGlobalContainerStack())
# NB: keys must be strings for the string formatter
self._all_extruders_settings = {
"-1": self._buildReplacementTokens(global_stack)
}
for extruder_stack in ExtruderManager.getInstance().getActiveExtruderStacks():
extruder_nr = extruder_stack.getProperty("extruder_nr", "value")
self._all_extruders_settings[str(extruder_nr)] = self._buildReplacementTokens(extruder_stack)
self._cacheAllExtruderSettings()
try:
# any setting can be used as a token
@ -364,8 +366,10 @@ class StartSliceJob(Job):
def _buildExtruderMessage(self, stack: ContainerStack) -> None:
message = self._slice_message.addRepeatedMessage("extruders")
message.id = int(stack.getMetaDataEntry("position"))
settings = self._buildReplacementTokens(stack)
if not self._all_extruders_settings:
self._cacheAllExtruderSettings()
extruder_nr = stack.getProperty("extruder_nr", "value")
settings = self._all_extruders_settings[str(extruder_nr)].copy()
# Also send the material GUID. This is a setting in fdmprinter, but we have no interface for it.
settings["material_guid"] = stack.material.getMetaDataEntry("GUID", "")
@ -389,7 +393,10 @@ class StartSliceJob(Job):
# The settings are taken from the global stack. This does not include any
# per-extruder settings or per-object settings.
def _buildGlobalSettingsMessage(self, stack: ContainerStack) -> None:
settings = self._buildReplacementTokens(stack)
if not self._all_extruders_settings:
self._cacheAllExtruderSettings()
settings = self._all_extruders_settings["-1"].copy()
# Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
start_gcode = settings["machine_start_gcode"]