void GCodeExport::startExtruder(int new_extruder)
{
if (new_extruder != current_extruder) // wouldn't be the case on the very first extruder start if it's extruder 0
{
if (flavor == EGCodeFlavor::MAKERBOT)
{
*output_stream << "M135 T" << new_extruder << new_line;
}
else
{
*output_stream << "T" << new_extruder << new_line;
}
}
current_extruder = new_extruder;
assert(getCurrentExtrudedVolume() == 0.0 && "Just after an extruder switch we haven't extruded anything yet!");
resetExtrusionValue(); // zero the E value on the new extruder, just to be sure
writeCode(extruder_attr[new_extruder].start_code.c_str());
CommandSocket::setExtruderForSend(new_extruder);
CommandSocket::setSendCurrentPosition( getPositionXY() );
//Change the Z position so it gets re-writting again. We do not know if the switch code modified the Z position.
currentPosition.z += 1;
}
void GCodeExport::finalize(int maxObjectHeight, double moveSpeed, const char* endCode)
{
writeFanCommand(0);
setZ(maxObjectHeight + 5000);
writeMove(Point3(0,0,maxObjectHeight + 5000) + getPositionXY(), moveSpeed, 0);
writeCode(endCode);
log("Print time: %d\n", int(getTotalPrintTime()));
log("Filament: %d\n", int(getTotalFilamentUsed(0)));
for(int n=1; n<MAX_EXTRUDERS; n++)
if (getTotalFilamentUsed(n) > 0)
log("Filament%d: %d\n", n + 1, int(getTotalFilamentUsed(n)));
output_stream->flush();
}
void GCodeExport::finalize(int maxObjectHeight, int moveSpeed, const char* endCode)
{
writeFanCommand(0);
writeRetraction();
setZ(maxObjectHeight + 5000);
writeMove(getPositionXY(), moveSpeed, 0);
writeCode(endCode);
log("Print time: %d\n", int(getTotalPrintTime()));
log("Filament: %d\n", int(getTotalFilamentUsed(0)));
log("Filament2: %d\n", int(getTotalFilamentUsed(1)));
if (getFlavor() == GCODE_FLAVOR_ULTIGCODE)
{
char numberString[16];
sprintf(numberString, "%d", int(getTotalPrintTime()));
replaceTagInStart("<__TIME__>", numberString);
sprintf(numberString, "%d", int(getTotalFilamentUsed(0)));
replaceTagInStart("<FILAMENT>", numberString);
sprintf(numberString, "%d", int(getTotalFilamentUsed(1)));
replaceTagInStart("<FILAMEN2>", numberString);
}
}
void GCodeExport::addMove(Point p, int speed, int lineWidth)
{
if (lineWidth != 0)
{
Point diff = p - getPositionXY();
if (isRetracted)
{
if (flavor == GCODE_FLAVOR_ULTIGCODE)
{
fprintf(f, "G11\n");
}else{
fprintf(f, "G1 F%i E%0.5lf\n", retractionSpeed * 60, extrusionAmount);
currentSpeed = retractionSpeed;
}
if (extrusionAmount > 10000.0) //According to https://github.com/Ultimaker/CuraEngine/issues/14 having more then 21m of extrusion causes inaccuracies. So reset it every 10m, just to be sure.
resetExtrusionValue();
isRetracted = false;
}
extrusionAmount += extrusionPerMM * double(lineWidth) / 1000.0 * vSizeMM(diff);
fprintf(f, "G1");
}else{
fprintf(f, "G0");
}
if (currentSpeed != speed)
{
fprintf(f, " F%i", speed * 60);
currentSpeed = speed;
}
fprintf(f, " X%0.2f Y%0.2f", float(p.X - extruderOffset[extruderNr].X)/1000, float(p.Y - extruderOffset[extruderNr].Y)/1000);
if (zPos != currentPosition.z)
fprintf(f, " Z%0.2f", float(zPos)/1000);
if (lineWidth != 0)
fprintf(f, " E%0.5lf", extrusionAmount);
fprintf(f, "\n");
currentPosition = Point3(p.X, p.Y, zPos);
}
void GCodeExport::writeMove(Point p, int speed, int lineWidth)
{
if (flavor == GCODE_FLAVOR_BFB)
{
//For Bits From Bytes machines, we need to handle this completely differently. As they do not use E values but RPM values.
float fspeed = speed * 60;
float rpm = (extrusionPerMM * double(lineWidth) / 1000.0) * speed * 60;
const float mm_per_rpm = 4.0; //All BFB machines have 4mm per RPM extrusion.
rpm /= mm_per_rpm;
if (rpm > 0)
{
if (isRetracted)
{
if (currentSpeed != int(rpm * 10))
{
//fprintf(f, "; %f e-per-mm %d mm-width %d mm/s\n", extrusionPerMM, lineWidth, speed);
fprintf(f, "M108 S%0.1f\n", rpm * 10);
currentSpeed = int(rpm * 10);
}
fprintf(f, "M101\n");
isRetracted = false;
}
//Fix the speed by the actual RPM we are asking, because of rounding errors we cannot get all RPM values, but we have a lot more resolution in the feedrate value.
// (Trick copied from KISSlicer, thanks Jonathan)
fspeed *= (rpm / (roundf(rpm * 100) / 100));
}else{
//If we are not extruding, check if we still need to disable the extruder. This causes a retraction due to auto-retraction.
if (!isRetracted)
{
fprintf(f, "M103\n");
isRetracted = true;
}
}
fprintf(f, "G1 X%0.2f Y%0.2f Z%0.2f F%0.1f\n", INT2MM(p.X - extruderOffset[extruderNr].X), INT2MM(p.Y - extruderOffset[extruderNr].Y), INT2MM(zPos), fspeed);
}else{
//Normal E handling.
if (lineWidth != 0)
{
Point diff = p - getPositionXY();
if (isRetracted)
{
if (retractionZHop > 0)
fprintf(f, "G1 Z%0.2f\n", float(currentPosition.z)/1000);
if (flavor == GCODE_FLAVOR_ULTIGCODE)
{
fprintf(f, "G11\n");
}else{
fprintf(f, "G1 F%i %c%0.5lf\n", retractionSpeed * 60, extruderCharacter[extruderNr], extrusionAmount);
currentSpeed = retractionSpeed;
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(p.X), INT2MM(p.Y), INT2MM(zPos), extrusionAmount), currentSpeed);
}
if (extrusionAmount > 10000.0) //According to https://github.com/Ultimaker/CuraEngine/issues/14 having more then 21m of extrusion causes inaccuracies. So reset it every 10m, just to be sure.
resetExtrusionValue();
isRetracted = false;
}
extrusionAmount += extrusionPerMM * INT2MM(lineWidth) * vSizeMM(diff);
fprintf(f, "G1");
}else{
fprintf(f, "G0");
}
if (currentSpeed != speed)
{
fprintf(f, " F%i", speed * 60);
currentSpeed = speed;
}
fprintf(f, " X%0.2f Y%0.2f", INT2MM(p.X - extruderOffset[extruderNr].X), INT2MM(p.Y - extruderOffset[extruderNr].Y));
if (zPos != currentPosition.z)
fprintf(f, " Z%0.2f", INT2MM(zPos));
if (lineWidth != 0)
fprintf(f, " %c%0.5lf", extruderCharacter[extruderNr], extrusionAmount);
fprintf(f, "\n");
}
currentPosition = Point3(p.X, p.Y, zPos);
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusionAmount), speed);
}