public void writeGCode(bool liftHeadIfNeeded, int layerThickness)
{
GCodePathConfig lastConfig = null;
int extruderIndex = gcode.getExtruderIndex();
for (int pathIndex = 0; pathIndex < paths.Count; pathIndex++)
{
GCodePath path = paths[pathIndex];
if (extruderIndex != path.extruderIndex)
{
extruderIndex = path.extruderIndex;
gcode.switchExtruder(extruderIndex);
}
else if (path.Retract)
{
gcode.writeRetraction();
}
if (path.config != travelConfig && lastConfig != path.config)
{
gcode.writeComment("TYPE:{0}".FormatWith(path.config.name));
lastConfig = path.config;
}
int speed = path.config.speed;
if (path.config.lineWidth != 0)
{
// Only apply the extrudeSpeedFactor to extrusion moves
speed = speed * extrudeSpeedFactor / 100;
}
else
{
speed = speed * travelSpeedFactor / 100;
}
if (path.points.Count == 1 &&
path.config != travelConfig &&
(gcode.getPositionXY() - path.points[0]).ShorterThen(path.config.lineWidth * 2))
{
//Check for lots of small moves and combine them into one large line
IntPoint nextPosition = path.points[0];
int i = pathIndex + 1;
while (i < paths.Count && paths[i].points.Count == 1 && (nextPosition - paths[i].points[0]).ShorterThen(path.config.lineWidth * 2))
{
nextPosition = paths[i].points[0];
i++;
}
if (paths[i - 1].config == travelConfig)
{
i--;
}
if (i > pathIndex + 2)
{
nextPosition = gcode.getPositionXY();
for (int x = pathIndex; x < i - 1; x += 2)
{
long oldLen = (nextPosition - paths[x].points[0]).vSize();
IntPoint newPoint = (paths[x].points[0] + paths[x + 1].points[0]) / 2;
long newLen = (gcode.getPositionXY() - newPoint).vSize();
if (newLen > 0)
{
gcode.writeMove(newPoint, speed, (int)(path.config.lineWidth * oldLen / newLen));
}
nextPosition = paths[x + 1].points[0];
}
gcode.writeMove(paths[i - 1].points[0], speed, path.config.lineWidth);
pathIndex = i - 1;
continue;
}
}
bool spiralize = path.config.spiralize;
if (spiralize)
{
//Check if we are the last spiralize path in the list, if not, do not spiralize.
for (int m = pathIndex + 1; m < paths.Count; m++)
{
if (paths[m].config.spiralize)
{
spiralize = false;
}
}
}
if (spiralize)
{
//If we need to spiralize then raise the head slowly by 1 layer as this path progresses.
double totalLength = 0;
int z = gcode.getPositionZ();
IntPoint currentPosition = gcode.getPositionXY();
for (int pointIndex = 0; pointIndex < path.points.Count; pointIndex++)
{
IntPoint nextPosition = path.points[pointIndex];
totalLength += (currentPosition - nextPosition).LengthMm();
currentPosition = nextPosition;
}
double length = 0.0;
currentPosition = gcode.getPositionXY();
for (int i = 0; i < path.points.Count; i++)
{
IntPoint nextPosition = path.points[i];
length += (currentPosition - nextPosition).LengthMm();
currentPosition = nextPosition;
gcode.setZ((int)(z + layerThickness * length / totalLength + .5));
gcode.writeMove(path.points[i], speed, path.config.lineWidth);
}
}
else
{
for (int pointIndex = 0; pointIndex < path.points.Count; pointIndex++)
{
gcode.writeMove(path.points[pointIndex], speed, path.config.lineWidth);
}
}
}
gcode.updateTotalPrintTime();
if (liftHeadIfNeeded && extraTime > 0.0)
{
gcode.writeComment("Small layer, adding delay of {0}".FormatWith(extraTime));
gcode.writeRetraction();
gcode.setZ(gcode.getPositionZ() + 3000);
gcode.writeMove(gcode.getPositionXY(), travelConfig.speed, 0);
gcode.writeMove(gcode.getPositionXY() - new IntPoint(-20000, 0), travelConfig.speed, 0);
gcode.writeDelay(extraTime);
}
}
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 (fileNr == 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);
}
fileNr++;
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.outline.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 volumeIdx = 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);
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)
{
volumeIdx = (volumeIdx + 1) % storage.volumes.Count;
}
AddVolumeLayerToGCode(storage, gcodeLayer, volumeIdx, 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);
}