private void AddSupportToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config)
{
if (!storage.support.generated)
{
return;
}
if (config.supportExtruder > -1)
{
int prevExtruder = gcodeLayer.getExtruder();
if (gcodeLayer.SetExtruder(config.supportExtruder))
{
addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, config.extrusionWidth_um);
}
if (storage.wipeShield.Count > 0 && storage.volumes.Count == 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(config.avoidCrossingPerimeters);
}
}
int currentZHeight_um = config.firstLayerThickness_um;
if (layerIndex == 0)
{
currentZHeight_um /= 2;
}
else
{
if (layerIndex > 1)
{
currentZHeight_um += (layerIndex - 1) * config.layerThickness_um;
}
currentZHeight_um += config.layerThickness_um / 2;
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, currentZHeight_um);
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.supportPolygons, SupportType.General);
if (config.supportInterfaceExtruder != -1 &&
config.supportInterfaceExtruder != config.supportExtruder)
{
gcodeLayer.SetExtruder(config.supportInterfaceExtruder);
}
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.interfacePolygons, SupportType.Interface);
}
private void writeGCode(SliceDataStorage storage)
{
gcode.WriteComment("filamentDiameter = {0}".FormatWith(config.filamentDiameter));
gcode.WriteComment("extrusionWidth = {0}".FormatWith(config.extrusionWidth));
gcode.WriteComment("firstLayerExtrusionWidth = {0}".FormatWith(config.firstLayerExtrusionWidth));
gcode.WriteComment("layerThickness = {0}".FormatWith(config.layerThickness));
gcode.WriteComment("firstLayerThickness = {0}".FormatWith(config.firstLayerThickness));
if (fileNumber == 1)
{
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.ULTIGCODE)
{
gcode.WriteComment("TYPE:UltiGCode");
gcode.WriteComment("TIME:<__TIME__>");
gcode.WriteComment("MATERIAL:<FILAMENT>");
gcode.WriteComment("MATERIAL2:<FILAMEN2>");
}
gcode.WriteCode(config.startCode);
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.BFB)
{
gcode.WriteComment("enable auto-retraction");
gcode.WriteLine("M227 S{0} P{1}".FormatWith(config.retractionOnTravel * 2560, config.retractionOnTravel * 2560));
}
}
else
{
gcode.WriteFanCommand(0);
gcode.ResetExtrusionValue();
gcode.WriteRetraction();
gcode.setZ(maxObjectHeight + 5000);
gcode.WriteMove(gcode.GetPositionXY(), config.travelSpeed, 0);
gcode.WriteMove(new IntPoint(storage.modelMin.x, storage.modelMin.y), config.travelSpeed, 0);
}
fileNumber++;
int totalLayers = storage.volumes[0].layers.Count;
// let's remove any of the layers on top that are empty
{
for (int layerIndex = totalLayers - 1; layerIndex >= 0; layerIndex--)
{
bool layerHasData = false;
foreach (SliceVolumeStorage currentVolume in storage.volumes)
{
SliceLayer currentLayer = currentVolume.layers[layerIndex];
for (int partIndex = 0; partIndex < currentVolume.layers[layerIndex].parts.Count; partIndex++)
{
SliceLayerPart currentPart = currentLayer.parts[partIndex];
if (currentPart.TotalOutline.Count > 0)
{
layerHasData = true;
break;
}
}
}
if (layerHasData)
{
break;
}
totalLayers--;
}
}
gcode.WriteComment("Layer count: {0}".FormatWith(totalLayers));
// keep the raft generation code inside of raft
Raft.GenerateRaftGCodeIfRequired(storage, config, gcode);
int volumeIndex = 0;
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
LogOutput.Log("Writing Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
LogOutput.logProgress("export", layerIndex + 1, totalLayers);
int extrusionWidth_um = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth_um = config.firstLayerExtrusionWidth_um;
}
if (layerIndex == 0)
{
skirtConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.firstLayerSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.firstLayerSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
else
{
skirtConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.outsidePerimeterSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.infillSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.bridgeSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.supportMaterialSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.supportMaterialSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
gcode.WriteComment("LAYER:{0}".FormatWith(layerIndex));
if (layerIndex == 0)
{
gcode.SetExtrusion(config.firstLayerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
else
{
gcode.SetExtrusion(config.layerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
// get the correct height for this layer
int z = config.firstLayerThickness_um + layerIndex * config.layerThickness_um;
if (config.enableRaft)
{
z += config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceLayers * config.raftSurfaceThickness_um;
if (layerIndex == 0)
{
// We only raise the first layer of the print up by the air gap.
// To give it:
// Less press into the raft
// More time to cool
// more surface area to air while extruding
z += config.raftAirGap_um;
}
}
gcode.setZ(z);
// We only create the skirt if we are on layer 0 and the first volume and there is no raft.
if (layerIndex == 0 && volumeIndex == 0 && !Raft.ShouldGenerateRaft(config))
{
AddSkirtToGCode(storage, gcodeLayer, volumeIndex, layerIndex);
}
bool printSupportFirst = (storage.support.generated && config.supportExtruder >= 0 && config.supportExtruder == gcodeLayer.getExtruder());
if (printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer);
for (int volumeCnt = 0; volumeCnt < storage.volumes.Count; volumeCnt++)
{
if (volumeCnt > 0)
{
volumeIndex = (volumeIndex + 1) % storage.volumes.Count;
}
AddVolumeLayerToGCode(storage, gcodeLayer, volumeIndex, layerIndex, extrusionWidth_um, fanSpeedPercent);
}
if (!printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
//Finish the layer by applying speed corrections for minimum layer times.
gcodeLayer.ForceMinimumLayerTime(config.minimumLayerTimeSeconds, config.minimumPrintingSpeed);
gcode.WriteFanCommand(fanSpeedPercent);
int currentLayerThickness_um = config.layerThickness_um;
if (layerIndex <= 0)
{
currentLayerThickness_um = config.firstLayerThickness_um;
}
gcodeLayer.WriteGCode(config.doCoolHeadLift, currentLayerThickness_um);
}
LogOutput.Log("Wrote layers in {0:0.00}s.\n".FormatWith(timeKeeper.Elapsed.Seconds));
timeKeeper.Restart();
gcode.TellFileSize();
gcode.WriteFanCommand(0);
//Store the object height for when we are printing multiple objects, as we need to clear every one of them when moving to the next position.
maxObjectHeight = Math.Max(maxObjectHeight, storage.modelSize.z);
}
private void addWipeTower(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerNr, int prevExtruder, int extrusionWidth_um)
{
if (config.wipeTowerSize_um < 1)
{
return;
}
//If we changed extruder, print the wipe/prime tower for this nozzle;
gcodeLayer.WritePolygonsByOptimizer(storage.wipeTower, supportInterfaceConfig);
Polygons fillPolygons = new Polygons();
Infill.GenerateLinePaths(storage.wipeTower, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, 45 + 90 * (layerNr % 2));
gcodeLayer.WritePolygonsByOptimizer(fillPolygons, supportInterfaceConfig);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.WriteTravel(storage.wipePoint - config.extruderOffsets[prevExtruder] + config.extruderOffsets[gcodeLayer.getExtruder()]);
}
//Add a single layer from a single mesh-volume to the GCode
private void AddVolumeLayerToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent)
{
int prevExtruder = gcodeLayer.getExtruder();
bool extruderChanged = gcodeLayer.SetExtruder(volumeIndex);
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
if (extruderChanged)
{
addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, extrusionWidth_um);
}
if (storage.wipeShield.Count > 0 && storage.volumes.Count > 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(!config.avoidCrossingPerimeters);
}
PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint());
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
partOrderOptimizer.AddPolygon(layer.parts[partIndex].Insets[0][0]);
}
partOrderOptimizer.Optimize();
for (int partIndex = 0; partIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
SliceLayerPart part = layer.parts[partOrderOptimizer.bestPolygonOrderIndex[partIndex]];
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(part.AvoidCrossingBoundery);
}
else
{
gcodeLayer.SetAlwaysRetract(true);
}
Polygons fillPolygons = new Polygons();
Polygons bridgePolygons = new Polygons();
CalculateInfillData(storage, volumeIndex, layerIndex, part, ref fillPolygons, ref bridgePolygons);
// Write the bridge polgons out first so the perimeter will have more to hold to while bridging the gaps.
// It would be even better to slow down the perimeters that are part of bridges but that is a bit harder.
if (bridgePolygons.Count > 0)
{
gcode.WriteFanCommand(config.bridgeFanSpeedPercent);
gcodeLayer.WritePolygonsByOptimizer(bridgePolygons, bridgConfig);
gcode.WriteFanCommand(fanSpeedPercent);
}
if (config.numberOfPerimeters > 0)
{
if (partIndex != lastPartIndex)
{
// force a retract if changing islands
gcodeLayer.ForceRetract();
lastPartIndex = partIndex;
}
if (config.continuousSpiralOuterPerimeter)
{
if (layerIndex >= config.numberOfBottomLayers)
{
inset0Config.spiralize = true;
}
}
// If we are on the very first layer we start with the outside in so that we can stick to the bed better.
if (config.outsidePerimetersFirst || layerIndex == 0 || inset0Config.spiralize)
{
// First the outside (this helps with accuracy)
if (part.Insets.Count > 0)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[0], inset0Config);
}
if (!inset0Config.spiralize)
{
for (int perimeterIndex = 1; perimeterIndex < part.Insets.Count; perimeterIndex++)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[perimeterIndex], insetXConfig);
}
}
}
else // This is so we can do overhanges better (the outside can stick a bit to the inside).
{
// Print everything but the first perimeter from the outside in so the little parts have more to stick to.
for (int perimeterIndex = 1; perimeterIndex < part.Insets.Count; perimeterIndex++)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[perimeterIndex], insetXConfig);
}
// then 0
if (part.Insets.Count > 0)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[0], inset0Config);
}
}
}
gcodeLayer.WritePolygonsByOptimizer(fillPolygons, fillConfig);
//After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter.
if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers)
{
gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2);
}
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
private void AddSupportToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerIndex, ConfigSettings config)
{
if (!storage.support.generated)
{
return;
}
if (config.supportExtruder > -1)
{
int prevExtruder = gcodeLayer.getExtruder();
if (gcodeLayer.SetExtruder(config.supportExtruder))
{
addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, config.extrusionWidth_um);
}
if (storage.wipeShield.Count > 0 && storage.volumes.Count == 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(config.avoidCrossingPerimeters);
}
}
int currentZHeight_um = config.firstLayerThickness_um;
if (layerIndex == 0)
{
currentZHeight_um /= 2;
}
else
{
if (layerIndex > 1)
{
currentZHeight_um += (layerIndex - 1) * config.layerThickness_um;
}
currentZHeight_um += config.layerThickness_um / 2;
}
SupportPolyGenerator supportGenerator = new SupportPolyGenerator(storage.support, currentZHeight_um);
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.supportPolygons, SupportType.General);
if (config.supportInterfaceExtruder != -1
&& config.supportInterfaceExtruder != config.supportExtruder)
{
gcodeLayer.SetExtruder(config.supportInterfaceExtruder);
}
WriteSupportPolygons(storage, gcodeLayer, layerIndex, config, supportGenerator.interfacePolygons, SupportType.Interface);
}
private void addWipeTower(SliceDataStorage storage, GCodePlanner gcodeLayer, int layerNr, int prevExtruder, int extrusionWidth_um)
{
if (config.wipeTowerSize_um < 1)
{
return;
}
//If we changed extruder, print the wipe/prime tower for this nozzle;
gcodeLayer.WritePolygonsByOptimizer(storage.wipeTower, supportInterfaceConfig);
Polygons fillPolygons = new Polygons();
Infill.GenerateLinePaths(storage.wipeTower, ref fillPolygons, extrusionWidth_um, config.infillExtendIntoPerimeter_um, 45 + 90 * (layerNr % 2));
gcodeLayer.WritePolygonsByOptimizer(fillPolygons, supportInterfaceConfig);
//Make sure we wipe the old extruder on the wipe tower.
gcodeLayer.WriteTravel(storage.wipePoint - config.extruderOffsets[prevExtruder] + config.extruderOffsets[gcodeLayer.getExtruder()]);
}
//Add a single layer from a single mesh-volume to the GCode
private void AddVolumeLayerToGCode(SliceDataStorage storage, GCodePlanner gcodeLayer, int volumeIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent)
{
int prevExtruder = gcodeLayer.getExtruder();
bool extruderChanged = gcodeLayer.SetExtruder(volumeIndex);
SliceLayer layer = storage.volumes[volumeIndex].layers[layerIndex];
if (extruderChanged)
{
addWipeTower(storage, gcodeLayer, layerIndex, prevExtruder, extrusionWidth_um);
}
if (storage.wipeShield.Count > 0 && storage.volumes.Count > 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.WritePolygonsByOptimizer(storage.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(!config.avoidCrossingPerimeters);
}
PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint());
for (int partIndex = 0; partIndex < layer.parts.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
partOrderOptimizer.AddPolygon(layer.parts[partIndex].Insets[0][0]);
}
partOrderOptimizer.Optimize();
for (int partIndex = 0; partIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
SliceLayerPart part = layer.parts[partOrderOptimizer.bestPolygonOrderIndex[partIndex]];
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(part.AvoidCrossingBoundery);
}
else
{
gcodeLayer.SetAlwaysRetract(true);
}
Polygons fillPolygons = new Polygons();
Polygons bridgePolygons = new Polygons();
CalculateInfillData(storage, volumeIndex, layerIndex, part, ref fillPolygons, ref bridgePolygons);
// Write the bridge polgons out first so the perimeter will have more to hold to while bridging the gaps.
// It would be even better to slow down the perimeters that are part of bridges but that is a bit harder.
if (bridgePolygons.Count > 0)
{
gcode.WriteFanCommand(config.bridgeFanSpeedPercent);
gcodeLayer.WritePolygonsByOptimizer(bridgePolygons, bridgConfig);
gcode.WriteFanCommand(fanSpeedPercent);
}
if (config.numberOfPerimeters > 0)
{
if (partIndex != lastPartIndex)
{
// force a retract if changing islands
gcodeLayer.ForceRetract();
lastPartIndex = partIndex;
}
if (config.continuousSpiralOuterPerimeter)
{
if (layerIndex >= config.numberOfBottomLayers)
{
inset0Config.spiralize = true;
}
}
// If we are on the very first layer we start with the outside in so that we can stick to the bed better.
if (config.outsidePerimetersFirst || layerIndex == 0 || inset0Config.spiralize)
{
// First the outside (this helps with accuracy)
if (part.Insets.Count > 0)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[0], inset0Config);
}
if (!inset0Config.spiralize)
{
for (int perimeterIndex = 1; perimeterIndex < part.Insets.Count; perimeterIndex++)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[perimeterIndex], insetXConfig);
}
}
}
else // This is so we can do overhanges better (the outside can stick a bit to the inside).
{
// Print everything but the first perimeter from the outside in so the little parts have more to stick to.
for (int perimeterIndex = 1; perimeterIndex < part.Insets.Count; perimeterIndex++)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[perimeterIndex], insetXConfig);
}
// then 0
if (part.Insets.Count > 0)
{
gcodeLayer.WritePolygonsByOptimizer(part.Insets[0], inset0Config);
}
}
}
gcodeLayer.WritePolygonsByOptimizer(fillPolygons, fillConfig);
//After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter.
if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers)
{
gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2);
}
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
private void writeGCode(SliceDataStorage storage)
{
gcode.WriteComment("filamentDiameter = {0}".FormatWith(config.filamentDiameter));
gcode.WriteComment("extrusionWidth = {0}".FormatWith(config.extrusionWidth));
gcode.WriteComment("firstLayerExtrusionWidth = {0}".FormatWith(config.firstLayerExtrusionWidth));
gcode.WriteComment("layerThickness = {0}".FormatWith(config.layerThickness));
gcode.WriteComment("firstLayerThickness = {0}".FormatWith(config.firstLayerThickness));
if (fileNumber == 1)
{
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.ULTIGCODE)
{
gcode.WriteComment("TYPE:UltiGCode");
gcode.WriteComment("TIME:<__TIME__>");
gcode.WriteComment("MATERIAL:<FILAMENT>");
gcode.WriteComment("MATERIAL2:<FILAMEN2>");
}
gcode.WriteCode(config.startCode);
if (gcode.GetOutputType() == ConfigConstants.OUTPUT_TYPE.BFB)
{
gcode.WriteComment("enable auto-retraction");
gcode.WriteLine("M227 S{0} P{1}".FormatWith(config.retractionOnTravel * 2560, config.retractionOnTravel * 2560));
}
}
else
{
gcode.WriteFanCommand(0);
gcode.ResetExtrusionValue();
gcode.WriteRetraction();
gcode.setZ(maxObjectHeight + 5000);
gcode.WriteMove(gcode.GetPositionXY(), config.travelSpeed, 0);
gcode.WriteMove(new IntPoint(storage.modelMin.x, storage.modelMin.y), config.travelSpeed, 0);
}
fileNumber++;
int totalLayers = storage.volumes[0].layers.Count;
// let's remove any of the layers on top that are empty
{
for (int layerIndex = totalLayers - 1; layerIndex >= 0; layerIndex--)
{
bool layerHasData = false;
foreach (SliceVolumeStorage currentVolume in storage.volumes)
{
SliceLayer currentLayer = currentVolume.layers[layerIndex];
for (int partIndex = 0; partIndex < currentVolume.layers[layerIndex].parts.Count; partIndex++)
{
SliceLayerPart currentPart = currentLayer.parts[partIndex];
if (currentPart.TotalOutline.Count > 0)
{
layerHasData = true;
break;
}
}
}
if (layerHasData)
{
break;
}
totalLayers--;
}
}
gcode.WriteComment("Layer count: {0}".FormatWith(totalLayers));
// keep the raft generation code inside of raft
Raft.GenerateRaftGCodeIfRequired(storage, config, gcode);
int volumeIndex = 0;
for (int layerIndex = 0; layerIndex < totalLayers; layerIndex++)
{
if (MatterSlice.Canceled)
{
return;
}
LogOutput.Log("Writing Layers {0}/{1}\n".FormatWith(layerIndex + 1, totalLayers));
LogOutput.logProgress("export", layerIndex + 1, totalLayers);
int extrusionWidth_um = config.extrusionWidth_um;
if (layerIndex == 0)
{
extrusionWidth_um = config.firstLayerExtrusionWidth_um;
}
if (layerIndex == 0)
{
skirtConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.firstLayerSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.firstLayerSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.firstLayerSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
else
{
skirtConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "SKIRT");
inset0Config.setData(config.outsidePerimeterSpeed, extrusionWidth_um, "WALL-OUTER");
insetXConfig.setData(config.insidePerimetersSpeed, extrusionWidth_um, "WALL-INNER");
fillConfig.setData(config.infillSpeed, extrusionWidth_um, "FILL", false);
bridgConfig.setData(config.bridgeSpeed, extrusionWidth_um, "BRIDGE");
supportNormalConfig.setData(config.supportMaterialSpeed, config.supportExtrusionWidth_um, "SUPPORT");
supportInterfaceConfig.setData(config.supportMaterialSpeed, config.extrusionWidth_um, "SUPPORT-INTERFACE");
}
gcode.WriteComment("LAYER:{0}".FormatWith(layerIndex));
if (layerIndex == 0)
{
gcode.SetExtrusion(config.firstLayerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
else
{
gcode.SetExtrusion(config.layerThickness_um, config.filamentDiameter_um, config.extrusionMultiplier);
}
GCodePlanner gcodeLayer = new GCodePlanner(gcode, config.travelSpeed, config.minimumTravelToCauseRetraction_um);
// get the correct height for this layer
int z = config.firstLayerThickness_um + layerIndex * config.layerThickness_um;
if (config.enableRaft)
{
z += config.raftBaseThickness_um + config.raftInterfaceThicknes_um + config.raftSurfaceLayers * config.raftSurfaceThickness_um;
if (layerIndex == 0)
{
// We only raise the first layer of the print up by the air gap.
// To give it:
// Less press into the raft
// More time to cool
// more surface area to air while extruding
z += config.raftAirGap_um;
}
}
gcode.setZ(z);
// We only create the skirt if we are on layer 0 and the first volume and there is no raft.
if (layerIndex == 0 && volumeIndex == 0 && !Raft.ShouldGenerateRaft(config))
{
AddSkirtToGCode(storage, gcodeLayer, volumeIndex, layerIndex);
}
bool printSupportFirst = (storage.support.generated && config.supportExtruder >= 0 && config.supportExtruder == gcodeLayer.getExtruder());
if (printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
int fanSpeedPercent = GetFanSpeed(layerIndex, gcodeLayer);
for (int volumeCnt = 0; volumeCnt < storage.volumes.Count; volumeCnt++)
{
if (volumeCnt > 0)
{
volumeIndex = (volumeIndex + 1) % storage.volumes.Count;
}
AddVolumeLayerToGCode(storage, gcodeLayer, volumeIndex, layerIndex, extrusionWidth_um, fanSpeedPercent);
}
if (!printSupportFirst)
{
AddSupportToGCode(storage, gcodeLayer, layerIndex, config);
}
//Finish the layer by applying speed corrections for minimum layer times.
gcodeLayer.ForceMinimumLayerTime(config.minimumLayerTimeSeconds, config.minimumPrintingSpeed);
gcode.WriteFanCommand(fanSpeedPercent);
int currentLayerThickness_um = config.layerThickness_um;
if (layerIndex <= 0)
{
currentLayerThickness_um = config.firstLayerThickness_um;
}
gcodeLayer.WriteGCode(config.doCoolHeadLift, currentLayerThickness_um);
}
LogOutput.Log("Wrote layers in {0:0.00}s.\n".FormatWith(timeKeeper.Elapsed.Seconds));
timeKeeper.Restart();
gcode.TellFileSize();
gcode.WriteFanCommand(0);
//Store the object height for when we are printing multiple objects, as we need to clear every one of them when moving to the next position.
maxObjectHeight = Math.Max(maxObjectHeight, storage.modelSize.z);
}
//Add a single layer from a single extruder to the GCode
private void QueueAirGappedExtruderLayerToGCode(LayerDataStorage slicingData, GCodePlanner gcodeLayer, int extruderIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent, long currentZ_um)
{
if (config.generateSupport
&& !config.continuousSpiralOuterPerimeter
&& layerIndex > 0)
{
int prevExtruder = gcodeLayer.getExtruder();
bool extruderChanged = gcodeLayer.SetExtruder(extruderIndex);
SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex];
PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint());
for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
partOrderOptimizer.AddPolygon(layer.Islands[partIndex].InsetToolPaths[0][0]);
}
partOrderOptimizer.Optimize();
List<Polygons> bottomFillIslandPolygons = new List<Polygons>();
for (int inlandIndex = 0; inlandIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; inlandIndex++)
{
if (config.continuousSpiralOuterPerimeter && inlandIndex > 0)
{
continue;
}
LayerIsland part = layer.Islands[partOrderOptimizer.bestPolygonOrderIndex[inlandIndex]];
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(part.AvoidCrossingBoundery);
}
else
{
gcodeLayer.SetAlwaysRetract(true);
}
Polygons fillPolygons = new Polygons();
Polygons topFillPolygons = new Polygons();
Polygons bridgePolygons = new Polygons();
Polygons bottomFillPolygons = new Polygons();
CalculateInfillData(slicingData, extruderIndex, layerIndex, part, ref bottomFillPolygons, ref fillPolygons, ref topFillPolygons, ref bridgePolygons);
bottomFillIslandPolygons.Add(bottomFillPolygons);
// Write the bridge polygons out first so the perimeter will have more to hold to while bridging the gaps.
// It would be even better to slow down the perimeters that are part of bridges but that is a bit harder.
if (bridgePolygons.Count > 0)
{
gcode.WriteFanCommand(config.bridgeFanSpeedPercent);
gcodeLayer.QueuePolygonsByOptimizer(bridgePolygons, bridgConfig);
}
if (config.numberOfPerimeters > 0)
{
if (inlandIndex != lastPartIndex)
{
// force a retract if changing islands
gcodeLayer.ForceRetract();
lastPartIndex = inlandIndex;
}
if (config.continuousSpiralOuterPerimeter)
{
if (layerIndex >= config.numberOfBottomLayers)
{
inset0Config.spiralize = true;
}
}
}
//After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter.
if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers)
{
gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2);
}
// Print everything but the first perimeter from the outside in so the little parts have more to stick to.
for (int perimeterIndex = 1; perimeterIndex < part.InsetToolPaths.Count; perimeterIndex++)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, part.InsetToolPaths[perimeterIndex], insetXConfig, SupportWriteType.SupportedAreas);
}
// then 0
if (part.InsetToolPaths.Count > 0)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, part.InsetToolPaths[0], inset0Config, SupportWriteType.SupportedAreas);
}
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, bottomFillIslandPolygons[inlandIndex], bottomFillConfig, SupportWriteType.SupportedAreas);
}
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}
//Add a single layer from a single extruder to the GCode
private void QueueExtruderLayerToGCode(LayerDataStorage slicingData, GCodePlanner gcodeLayer, int extruderIndex, int layerIndex, int extrusionWidth_um, int fanSpeedPercent, long currentZ_um)
{
int prevExtruder = gcodeLayer.getExtruder();
bool extruderChanged = gcodeLayer.SetExtruder(extruderIndex);
SliceLayer layer = slicingData.Extruders[extruderIndex].Layers[layerIndex];
if (extruderChanged)
{
addWipeTower(slicingData, gcodeLayer, layerIndex, prevExtruder, extrusionWidth_um);
}
if (slicingData.wipeShield.Count > 0 && slicingData.Extruders.Count > 1)
{
gcodeLayer.SetAlwaysRetract(true);
gcodeLayer.QueuePolygonsByOptimizer(slicingData.wipeShield[layerIndex], skirtConfig);
gcodeLayer.SetAlwaysRetract(!config.avoidCrossingPerimeters);
}
PathOrderOptimizer partOrderOptimizer = new PathOrderOptimizer(new IntPoint());
for (int partIndex = 0; partIndex < layer.Islands.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
partOrderOptimizer.AddPolygon(layer.Islands[partIndex].InsetToolPaths[0][0]);
}
partOrderOptimizer.Optimize();
List<Polygons> bottomFillIslandPolygons = new List<Polygons>();
for (int partIndex = 0; partIndex < partOrderOptimizer.bestPolygonOrderIndex.Count; partIndex++)
{
if (config.continuousSpiralOuterPerimeter && partIndex > 0)
{
continue;
}
LayerIsland island = layer.Islands[partOrderOptimizer.bestPolygonOrderIndex[partIndex]];
if (config.avoidCrossingPerimeters)
{
gcodeLayer.SetOuterPerimetersToAvoidCrossing(island.AvoidCrossingBoundery);
}
else
{
gcodeLayer.SetAlwaysRetract(true);
}
Polygons fillPolygons = new Polygons();
Polygons topFillPolygons = new Polygons();
Polygons bridgePolygons = new Polygons();
Polygons bottomFillPolygons = new Polygons();
CalculateInfillData(slicingData, extruderIndex, layerIndex, island, ref bottomFillPolygons, ref fillPolygons, ref topFillPolygons, ref bridgePolygons);
bottomFillIslandPolygons.Add(bottomFillPolygons);
// Write the bridge polygons out first so the perimeter will have more to hold to while bridging the gaps.
// It would be even better to slow down the perimeters that are part of bridges but that is a bit harder.
if (bridgePolygons.Count > 0)
{
gcode.WriteFanCommand(config.bridgeFanSpeedPercent);
gcodeLayer.QueuePolygonsByOptimizer(bridgePolygons, bridgConfig);
}
if (config.numberOfPerimeters > 0)
{
if (partIndex != lastPartIndex)
{
// force a retract if changing islands
if (config.retractWhenChangingIslands)
{
gcodeLayer.ForceRetract();
}
lastPartIndex = partIndex;
}
if (config.continuousSpiralOuterPerimeter)
{
if (layerIndex >= config.numberOfBottomLayers)
{
inset0Config.spiralize = true;
}
}
// If we are on the very first layer we start with the outside so that we can stick to the bed better.
if (config.outsidePerimetersFirst || layerIndex == 0 || inset0Config.spiralize)
{
if (inset0Config.spiralize)
{
if (island.InsetToolPaths.Count > 0)
{
Polygon outsideSinglePolygon = island.InsetToolPaths[0][0];
gcodeLayer.QueuePolygonsByOptimizer(new Polygons() { outsideSinglePolygon }, inset0Config);
}
}
else
{
// First the outside (this helps with accuracy)
if (island.InsetToolPaths.Count > 0)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[0], inset0Config, SupportWriteType.UnsupportedAreas);
}
for (int perimeterIndex = 1; perimeterIndex < island.InsetToolPaths.Count; perimeterIndex++)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[perimeterIndex], insetXConfig, SupportWriteType.UnsupportedAreas);
}
}
}
else // This is so we can do overhangs better (the outside can stick a bit to the inside).
{
// Figure out where the seam hiding start point is for inset 0 and move to that spot so
// we have the minimum travel while starting inset 0 after printing the rest of the insets
if (island?.InsetToolPaths?[0]?[0]?.Count > 0)
{
int bestPoint = PathOrderOptimizer.GetBestEdgeIndex(island.InsetToolPaths[0][0]);
gcodeLayer.QueueTravel(island.InsetToolPaths[0][0][bestPoint]);
}
// Print everything but the first perimeter from the outside in so the little parts have more to stick to.
for (int perimeterIndex = 1; perimeterIndex < island.InsetToolPaths.Count; perimeterIndex++)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[perimeterIndex], insetXConfig, SupportWriteType.UnsupportedAreas);
}
// then 0
if (island.InsetToolPaths.Count > 0)
{
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, island.InsetToolPaths[0], inset0Config, SupportWriteType.UnsupportedAreas);
}
}
}
gcodeLayer.QueuePolygonsByOptimizer(fillPolygons, fillConfig);
QueuePolygonsConsideringSupport(layerIndex, gcodeLayer, bottomFillPolygons, bottomFillConfig, SupportWriteType.UnsupportedAreas);
gcodeLayer.QueuePolygonsByOptimizer(topFillPolygons, topFillConfig);
//After a layer part, make sure the nozzle is inside the comb boundary, so we do not retract on the perimeter.
if (!config.continuousSpiralOuterPerimeter || layerIndex < config.numberOfBottomLayers)
{
gcodeLayer.MoveInsideTheOuterPerimeter(extrusionWidth_um * 2);
}
}
gcodeLayer.SetOuterPerimetersToAvoidCrossing(null);
}