grid-apps-cmms/src/mode/fdm/driver.js
2020-06-03 22:39:30 -04:00

1114 lines
45 KiB
JavaScript

/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
"use strict";
(function() {
if (!self.kiri.driver) self.kiri.driver = { };
if (self.kiri.driver.FDM) return;
const KIRI = self.kiri,
BASE = self.base,
DBUG = BASE.debug,
UTIL = BASE.util,
CONF = BASE.config,
POLY = BASE.polygons,
FDM = KIRI.driver.FDM = {
slice,
printSetup,
printExport
},
SLICER = KIRI.slicer,
newPoint = BASE.newPoint;
// customer gcode post function for XYZ daVinci Mini W
self.kiri_fdm_xyz_mini_w = function(gcode, options) {
return btoa("; filename = kirimoto.gcode\n; machine = dv1MW0A000\n" + gcode);
};
function bound(v,min,max) {
return Math.max(min,Math.min(max,v));
}
function fixExtruders(settings) {
Object.entries(settings.widget).forEach(arr => {
let [wid,val] = arr;
let dext = settings.device.extruders[val.extruder];
if (!dext) {
settings.widget[wid].extruder = 0;
}
});
return settings;
}
/**
* DRIVER SLICE CONTRACT
*
* Given a widget and settings object, call functions necessary to produce
* slices and then the computations using those slices. This function is
* designed to run client or server-side and provides all output via
* callback functions.
*
* @param {Object} settings
* @param {Widget} Widget
* @param {Function} onupdate (called with % complete and optional message)
* @param {Function} ondone (called when complete with an array of Slice objects)
*/
function slice(settings, widget, onupdate, ondone) {
fixExtruders(settings);
let spro = settings.process,
sdev = settings.device,
update_start = Date.now(),
minSolid = spro.sliceSolidMinArea,
solidLayers = spro.sliceSolidLayers,
vaseMode = spro.sliceFillType === 'vase',
doSolidLayers = solidLayers && !vaseMode,
metadata = settings.widget[widget.id] || {},
extruder = metadata.extruder || 0,
sliceHeight = spro.sliceHeight,
nozzleSize = sdev.extruders[extruder].extNozzle,
firstOffset = nozzleSize / 2,
shellOffset = nozzleSize,
fillOffsetMult = 1.0 - bound(spro.sliceFillOverlap, 0, 0.8),
fillSpacing = nozzleSize,
fillOffset = nozzleSize * fillOffsetMult,
sliceFillAngle = spro.sliceFillAngle,
view = widget.mesh && widget.mesh.newGroup ? widget.mesh.newGroup() : null;
if (!(sliceHeight > 0 && sliceHeight < 100)) {
return ondone("invalid slice height");
}
if (!(nozzleSize >= 0.01 && nozzleSize < 100)) {
return ondone("invalid nozzle size");
}
if (spro.firstSliceHeight === 0) {
spro.firstSliceHeight = sliceHeight;
}
if (spro.firstSliceHeight < sliceHeight) {
DBUG.log("invalid first layer height < slice height");
DBUG.log("reverting to slice height");
spro.firstSliceHeight = sliceHeight;
}
SLICER.sliceWidget(widget, {
height: sliceHeight,
minHeight: sliceHeight > spro.sliceMinHeight ? spro.sliceMinHeight : 0,
firstHeight: spro.firstSliceHeight,
view: view
}, onSliceDone, onSliceUpdate);
function onSliceUpdate(update) {
return onupdate(0.0 + update * 0.5);
}
function onSliceDone(slices) {
slices = slices.filter(slice => slice.tops.length);
widget.slices = slices;
if (!slices) return;
// calculate % complete and call onupdate()
function doupdate(index, from, to, msg) {
onupdate(0.5 + (from + ((index/slices.length) * (to-from))) * 0.5, msg);
}
// for each slice, performe a function and call doupdate()
function forSlices(from, to, fn, msg) {
slices.forEach(function(slice) {
fn(slice);
doupdate(slice.index, from, to, msg)
});
}
// do not hint polygin fill longer than a max span length
CONF.hint_len_max = UTIL.sqr(spro.sliceBridgeMax);
// reset (if necessary) for solids and support projections
slices.forEach(function(slice) {
slice.extruder = extruder;
slice.invalidateFill();
slice.invalidateSolids();
slice.invalidateSupports();
});
let supportEnabled = spro.sliceSupportEnable && spro.sliceSupportDensity > 0.0,
supportMinArea = spro.sliceSupportArea;
// create shells and diff inner fillable areas
forSlices(0.0, 0.2, function(slice) {
let solid = (
slice.index < spro.sliceBottomLayers ||
slice.index > slices.length - spro.sliceTopLayers-1 ||
spro.sliceFillSparse > 0.95
) && !vaseMode;
slice.doShells(spro.sliceShells, firstOffset, shellOffset, fillOffset, {
vase: vaseMode,
thin: false && spro.detectThinWalls
});
if (solid) slice.doSolidLayerFill(fillSpacing, sliceFillAngle);
sliceFillAngle += 90.0;
}, "offsets");
// calculations only relevant when solid layers are used
if (doSolidLayers) {
forSlices(0.2, 0.34, function(slice) {
slice.doDiff(minSolid);
}, "diff");
forSlices(0.34, 0.35, function(slice) {
slice.projectFlats(solidLayers);
slice.projectBridges(solidLayers);
}, "solids");
forSlices(0.35, 0.5, function(slice) {
slice.doSolidsFill(fillSpacing, sliceFillAngle, minSolid);
slice.doThinFill(fillSpacing, sliceFillAngle);
sliceFillAngle += 90.0;
}, "solids");
}
// calculations only relevant when supports are enabled
if (supportEnabled) {
forSlices(0.5, 0.7, function(slice) {
slice.doSupport(spro.sliceSupportOffset, spro.sliceSupportSpan, spro.sliceSupportExtra, supportMinArea, spro.sliceSupportSize, spro.sliceSupportOffset, spro.sliceSupportGap);
}, "support");
forSlices(0.7, 0.8, function(slice) {
slice.doSupportFill(nozzleSize, spro.sliceSupportDensity, supportMinArea);
}, "support");
}
// sparse layers only present when non-vase mose and sparse % > 0
if (!vaseMode && spro.sliceFillSparse > 0.0) {
forSlices(0.8, 1.0, function(slice) {
slice.doSparseLayerFill({
settings: settings,
process: spro,
device: sdev,
lineWidth: nozzleSize,
spacing: fillOffset,
density: spro.sliceFillSparse,
bounds: widget.getBoundingBox(),
height: sliceHeight,
type: spro.sliceFillType
});
}, "infill");
}
// let polish = spro.polishLayers;
// // experimental polishing
// if (polish) {
// let polish_layer = Math.floor(polish);
// let polish_step = Math.max(polish - polish_layer || 1, 0.25);
// widget.polish = {};
// let px = [];
// let py = [];
// // compute x polishing slices
// SLICER.sliceWidget(widget, {
// height: nozzleSize * polish_step,
// swapX: true,
// swapY: false,
// simple: true
// }, (polish_done => {
// widget.polish.x = polish_done
// .filter(s => s.groups.length)
// .map(s => s.groups)
// .forEach(p => px.appendAll(p));
// }), (polish_update) => {
// // console.log({polish_update});
// });
// // compute y polishing slices
// SLICER.sliceWidget(widget, {
// height: nozzleSize * polish_step,
// swapX: false,
// swapY: true,
// simple: true
// }, (polish_done => {
// widget.polish.y = polish_done
// .filter(s => s.groups.length)
// .map(s => s.groups)
// .forEach(p => py.appendAll(p));
// }), (polish_update) => {
// // console.log({polish_update});
// });
// // apply polishing finishes to layers
// forSlices(1.0, 1.0, (slice) => {
// if (polish_layer >= 2) {
// let sai = (slice.index - polish_layer);
// if (sai % (polish_layer-1) !== 0) {
// return;
// }
// }
// if (slice.index >= polish_layer) {
// let sd = slice;
// for (let i=0; i<polish_layer; i++) {
// sd = sd.down;
// }
// let zb = sd.z;
// let zt = slice.z;
// let pout = [];
// let cont = 0;
// [px, py].forEach(pa => {
//
// let polys = [];
// pa.forEach(p => {
// // rotate and test for self-intersection (points under model)
// p.ensureXY();
// let ox = p._aligned == 'yz' ? 0.1 : 0;
// let oy = p._aligned == 'yz' ? 0 : 0.1;
// p.forEachPoint(pt => {
// let int = p.intersections(
// pt.offset(ox,oy,0),
// pt.offset(ox*10000,oy*10000,0));
// if (int.length > 0) {
// pt._under = true;
// }
// });
// p.restoreXY();
//
// let lastp = undefined;
// let poly = [];
// // look for qualifying segments
// p.forEachSegment((p1, p2) => {
// // eliminate segments that projected up
// // intersect with the polygon (bottom faces)
// if (p1._under || p2._under) {
// return;
// }
// // skip when both below layer range
// if (p1.z < zb && p2.z < zb) {
// return;
// }
// // skip when both above layer range
// if (p1.z > zt && p2.z > zt) {
// return;
// }
// // skip vertical
// if (p1.x === p2.x && p1.y === p2.y) {
// return;
// }
// // skip horizontal
// // if (p1.z === p2.z) {
// // return;
// // }
// // order points lowest to highest
// let swap = false;
// if (p1.z > p2.z) {
// let t = p2;
// p2 = p1;
// p1 = t;
// swap = true;
// }
// let trimlo = false;
// let trimhi = false;
// if (p1.z < zb) {
// trimlo = true;
// }
// if (p2.z > zt) {
// trimhi = true;
// }
// let xaxis = p1.x === p2.x;
// if (xaxis) {
// p1 = BASE.newPoint(p1.y,p1.z,p1.x);
// p2 = BASE.newPoint(p2.y,p2.z,p2.x);
// } else {
// p1 = BASE.newPoint(p1.x,p1.z,p1.y);
// p2 = BASE.newPoint(p2.x,p2.z,p2.y);
// }
// let slope = BASE.newSlope(p1, p2);
// let angle = slope.angle;
// if (angle > 80 && angle < 100) {
// return;
// }
// let len = p1.distTo2D(p2);
// let np1 = p1;
// if (trimlo) {
// let zunder = zb - p1.y;
// let zover = p2.y - zb;
// let zdelt = p2.y - p1.y;
// let pct = zunder / zdelt;
// np1 = p1.follow(slope, len * pct);
// }
// if (trimhi) {
// let zunder = zt - p1.y;
// let zover = p2.y - zt;
// let zdelt = p2.y - p1.y;
// let pct = zover / zdelt;
// p2 = p2.follow(slope.invert(), len * pct);
// }
// p1 = np1;
// if (xaxis) {
// p1 = BASE.newPoint(p1.z,p1.x,p1.y);
// p2 = BASE.newPoint(p2.z,p2.x,p2.y);
// } else {
// p1 = BASE.newPoint(p1.x,p1.z,p1.y);
// p2 = BASE.newPoint(p2.x,p2.z,p2.y);
// }
// if (!lastp) {
// poly.push(p1);
// poly.push(p2);
// } else if (p1.isMergable2D(lastp)) {
// // } else if (p1.isEqual(lastp)) {
// poly.push(p2);
// cont++;
// } else if (poly.length) {
// polys.push(poly);
// poly = [p1, p2];
// }
// lastp = p2;
// });
// if (poly.length) {
// polys.push(poly);
// }
// });
// pout.push(polys);
// polys = [];
// });
//
// if (pout.length && slice.tops.length) {
// slice.tops[0].polish = {
// x: pout[0]
// .map(a => BASE.newPolygon(a).setOpen())
// // .filter(p => p.perimeter() > nozzleSize)
// ,
// y: pout[1]
// .map(a => BASE.newPolygon(a).setOpen())
// // .filter(p => p.perimeter() > nozzleSize)
// };
// }
// }
// });
// }
// report slicing complete
ondone();
}
};
/**
* DRIVER PRINT CONTRACT
*
* @param {Object} print state object
* @param {Function} update incremental callback
*/
function printSetup(print, update) {
let widgets = print.widgets.slice(),
settings = fixExtruders(print.settings),
device = settings.device,
nozzle = device.extruders[0].extNozzle,
process = settings.process,
mode = settings.mode,
output = print.output,
bounds = settings.bounds,
printPoint = newPoint(0,0,0),
firstLayerHeight = process.firstSliceHeight || process.sliceHeight,
maxLayers = 0,
layer = 0,
zoff = 0,
meshIndex,
lastIndex,
closest,
mindist,
minidx,
find,
layerout = [],
slices = [],
sliceEntry;
// TODO pick a widget with a slice on the first layer and use that nozzle
// create brim, skirt, raft if specificed in FDM mode (code shared by laser)
if (process.outputBrimCount || process.outputRaft) {
let brims = [],
offset = process.outputBrimOffset || (process.outputRaft ? 4 : 0);
// compute first brim
widgets.forEach(function(widget) {
let tops = [];
// collect top outer polygons
widget.slices[0].tops.forEach(function(top) {
tops.push(top.poly.clone());
});
// collect support polygons
if (widget.slices[0].supports)
widget.slices[0].supports.forEach(function(support) {
tops.push(support.clone());
});
// nest and offset tops
POLY.nest(tops).forEach(function(poly) {
poly.offset(-offset + nozzle / 2).forEach(function(brim) {
brim.move(widget.mesh.position);
brims.push(brim);
});
});
});
// merge brims
brims = POLY.union(brims);
// if brim is offset, over-expand then shrink to induce brims to merge
if (offset && brims.length) {
let extra = process.sliceSupportExtra + 2;
let zheight = brims[0].getZ();
brims = POLY.expand(brims, extra, zheight, null, 1);
brims = POLY.expand(brims, -extra, zheight, null, 1);
}
// if raft is specified
if (process.outputRaft) {
let offset = newPoint(0,0,0),
height = nozzle;
// cause first point of raft to be used
printPoint = null;
let raft = function(height, angle, spacing, speed, extrude) {
let slice = kiri.newSlice(zoff + height / 2);
brims.forEach(function(brim) {
// use first point of first brim as start point
if (printPoint === null) printPoint = brim.first();
let t = slice.addTop(brim);
t.traces = [ brim ];
t.inner = POLY.expand(t.traces, -nozzle * 0.5, 0, null, 1);
// tweak bounds for fill to induce an offset
t.inner[0].bounds.minx -= nozzle/2;
t.inner[0].bounds.maxx += nozzle/2;
t.fill_lines = POLY.fillArea(t.inner, angle, spacing, []);
})
offset.z = slice.z;
printPoint = print.slicePrintPath(slice, printPoint, offset, layerout, {
speed: speed,
mult: extrude,
});
layerout.height = height;
output.append(layerout);
layerout = [];
zoff += height;
};
raft(nozzle/1, process.sliceFillAngle + 0 , nozzle * 6.0, process.firstLayerRate / 3, 4);
raft(nozzle/1, process.sliceFillAngle + 0 , nozzle * 6.0, process.firstLayerRate / 2, 4);
raft(nozzle/2, process.sliceFillAngle + 90, nozzle * 3.0, process.outputFeedrate, 2.5);
raft(nozzle/2, process.sliceFillAngle + 0 , nozzle * 1.0, process.outputFeedrate, 1.5);
raft(nozzle/2, process.sliceFillAngle + 0 , nozzle * 1.0, process.outputFeedrate, 1.0);
// raise first layer off raft slightly to lessen adhesion
firstLayerHeight += process.outputRaftSpacing || 0;
// retract after last raft layer
output.last().last().retract = true;
}
// raft excludes brims
else
// if using brim vs raft
if (process.outputBrimCount) {
let polys = [],
preout = [];
// expand specified # of brims
brims.forEach(function(brim) {
POLY.trace2count(brim, polys, -nozzle, process.outputBrimCount, 0);
});
// output brim points
printPoint = print.poly2polyEmit(polys, printPoint, function(poly, index, count, startPoint) {
return print.polyPrintPath(poly, startPoint, preout, {
rate: process.firstLayerRate,
onfirst: function(point) {
if (preout.length && point.distTo2D(startPoint) > 2) {
// retract between brims
preout.last().retract = true;
}
}
});
});
print.addPrintPoints(preout, layerout, null);
if (preout.length) {
// retract between brims and print
preout.last().retract = true;
}
}
// recompute bounds for purge block offsets
let bbounds = BASE.newBounds();
brims.forEach(brim => {
bbounds.merge(brim.bounds);
});
bounds.min.x = Math.min(bounds.min.x, bbounds.minx);
bounds.min.y = Math.min(bounds.min.y, bbounds.miny);
bounds.max.x = Math.max(bounds.max.x, bbounds.maxx);
bounds.max.y = Math.max(bounds.max.y, bbounds.maxy);
}
// synthesize a support widget, if needed
if (process.sliceSupportEnable) {
let swidget = KIRI.newWidget();
let sslices = swidget.slices = [];
widgets.forEach(function(widget) {
let slices = widget.slices;
while (sslices.length < slices.length) {
let sslice = KIRI.newSlice(slices[sslices.length].z);
sslice.extruder = process.sliceSupportNozzle;
sslices.push(sslice);
}
slices.forEach((slice,index) => {
if (!slice.supports) return;
if (!sslices[index].supports) {
sslices[index].supports = [];
}
sslices[index].supports.appendAll(slice.supports.map(p => {
if (p.fills) p.fills.forEach(p => p.move(widget.track.pos));
return p.move(widget.track.pos);
}));
});
});
swidget.support = true;
swidget.mesh = { widget: swidget }; // fake for lookup
settings.widget[swidget.id] = { extruder: process.sliceSupportNozzle };
widgets.push(swidget);
}
let extruders = [];
let extcount = 0;
// find max layers (for updates)
// generate list of used extruders for purge blocks
widgets.forEach(function(widget) {
maxLayers = Math.max(maxLayers, widget.slices.length);
let extruder = (settings.widget[widget.id] || {}).extruder || 0;
if (!extruders[extruder]) {
extruders[extruder] = {};
extcount++;
}
});
let blokpos, walkpos, blok;
if (bounds.min.x < bounds.min.y) {
let dx = ((bounds.max.x - bounds.min.x) - (extcount * 10)) / 2 + 5;
blokpos = { x:bounds.min.x + dx, y: bounds.max.y + 5};
walkpos = { x:10, y:0 };
blok = { x:9, y:4 };
} else {
let dy = ((bounds.max.y - bounds.min.y) - (extcount * 10)) / 2 + 5;
blokpos = { x:bounds.max.x + 5, y: bounds.min.y + dy};
walkpos = { x:0, y:10 };
blok = { x:4, y:9 };
}
// compute purge blocks
extruders = extruders.map((ext,i) => {
if (!ext) return ext;
let noz = device.extruders[i].extNozzle,
pos = {x:blokpos.x, y:blokpos.y, z:0},
rec = {
extruder: i,
poly: BASE.newPolygon().centerSpiral(pos, blok.x, blok.y, noz*2, 3)
};
blokpos.x += walkpos.x;
blokpos.y += walkpos.y;
return rec;
});
// generate purge block for given nozzle
function purge(nozzle, track, layer, start, z, using) {
if (extcount < 2) {
return start;
}
let rec = track[nozzle];
if (rec) {
track[nozzle] = null;
if (layer.last()) layer.last().retract = true;
start = print.polyPrintPath(rec.poly.clone().setZ(z), start, layer, {
tool: using || nozzle,
open: true,
simple: true
});
layer.last().retract = true;
return start;
} else {
console.log({already_purged: nozzle, from: track, layer});
return start;
}
}
// increment layer count until no widget has remaining slices
for (;;) {
// create list of mesh slice arrays with their platform offsets
for (meshIndex = 0; meshIndex < widgets.length; meshIndex++) {
let mesh = widgets[meshIndex].mesh;
if (!mesh.widget) {
continue;
}
let mslices = mesh.widget.slices;
if (mslices && mslices[layer]) {
slices.push({
slice: mslices[layer],
offset: mesh.position || {x:0, y:0, z:0},
widget: mesh.widget
});
}
}
// exit if no slices
if (slices.length === 0) {
break;
}
// track purge blocks generated for each layer
let track = extruders.slice();
let lastOut;
let lastExt;
// iterate over layer slices, find closest widget, print, eliminate
for (;;) {
closest = null;
mindist = Infinity;
let order = [];
// select slices of the same extruder type first then distance
for (meshIndex = 0; meshIndex < slices.length; meshIndex++) {
sliceEntry = slices[meshIndex];
if (sliceEntry) {
find = sliceEntry.slice.findClosestPointTo(printPoint.sub(sliceEntry.offset));
if (find) {
let ext = sliceEntry.slice.extruder;
let lex = lastOut ? lastOut.extruder : ext;
let dst = Math.abs(find.distance);
if (ext !== lex) dst *= 10000;
order.push({dst,sliceEntry,meshIndex});
}
}
}
order.sort((a,b) => {
return a.dst - b.dst;
});
if (order.length) {
let find = order.shift();
closest = find.sliceEntry;
minidx = find.meshIndex;
}
if (!closest) {
if (sliceEntry) lastOut = sliceEntry.slice;
break;
}
// retract between widgets
if (layerout.length && minidx !== lastIndex) {
layerout.last().retract = true;
}
layerout.height = layerout.height || closest.slice.height;
slices[minidx] = null;
closest.offset.z = zoff;
// detect extruder change and print purge block
if (!lastOut || lastOut.extruder !== closest.slice.extruder) {
printPoint = purge(closest.slice.extruder, track, layerout, printPoint, closest.slice.z);
}
// output seek to start point between mesh slices if previous data
printPoint = print.slicePrintPath(
closest.slice,
printPoint.sub(closest.offset),
closest.offset,
layerout,
{
first: closest.slice.index === 0,
support: closest.widget.support
}
);
lastOut = closest.slice;
lastExt = lastOut.ext
lastIndex = minidx;
}
// if a declared extruder isn't used in a layer, use selected
// extruder to fill the relevant purge blocks for later support
track.forEach(ext => {
if (ext) {
printPoint = purge(ext.extruder, track, layerout, printPoint, lastOut.z, lastExt);
}
});
// if layer produced output, append to output array
if (layerout.length) output.append(layerout);
// notify progress
layerout.layer = layer++;
update(layer / maxLayers);
// retract after last layer
if (layer === maxLayers && layerout.length) {
layerout.last().retract = true;
}
slices = [];
layerout = [];
lastOut = undefined;
}
};
/**
* @returns {Array} gcode lines
*/
function printExport(print, online) {
let layers = print.output,
settings = fixExtruders(print.settings),
device = settings.device,
extruders = device.extruders,
process = settings.process,
fan_power = device.gcodeFan,
gcodeLayer = device.gcodeLayer,
gcodeTrack = device.gcodeTrack,
tool = 0,
extruder = extruders[tool],
offset_x = extruder.extOffsetX,
offset_y = extruder.extOffsetY,
extrudeAbs = device.extrudeAbs,
time = 0,
layer = 0,
pause = [],
pauseCmd = device.gcodePause,
output = [],
outputLength = 0,
lastProgress = 0,
decimals = 5,
progress = 0,
distance = 0,
emitted = 0,
retracted = 0,
pos = {x:0, y:0, z:0, f:0},
last = null,
zpos = 0,
zhop = process.zHopDistance || 0,
seekMMM = process.outputSeekrate * 60,
retDist = process.outputRetractDist,
retSpeed = process.outputRetractSpeed * 60,
retDwell = process.outputRetractDwell || 0,
timeDwell = retDwell / 1000,
offset = process.outputOriginCenter ? null : {
x: device.bedWidth/2,
y: device.bedDepth/2
},
subst = {
retract_speed: retSpeed,
retract_distance: retDist,
temp: process.firstLayerNozzleTemp || process.outputTemp,
temp_bed: process.firstLayerBedTemp || process.outputBedTemp,
bed_temp: process.firstLayerBedTemp || process.outputBedTemp,
fan_speed: process.outputFanMax,
speed: process.outputFanMax, // legacy
top: offset ? device.bedDepth : device.bedDepth/2,
left: offset ? 0 : -device.bedWidth/2,
right: offset ? device.bedWidth : device.bedWidth/2,
bottom: offset ? 0 : -device.bedDepth/2,
z_max: device.maxHeight,
layers: layers.length,
nozzle: 0,
tool: 0
},
pidx, path, out, speedMMM, emitMM, emitPerMM, lastp, laste, dist,
append,
lines = 0,
bytes = 0;
(process.gcodePauseLayers || "").split(",").forEach(function(lv) {
let v = parseInt(lv);
if (v >= 0) pause.push(v);
});
if (online) {
append = function(line) {
if (line) {
lines++;
bytes += line.length;
output.append(line);
}
if (!line || output.length > 1000) {
online(output.join("\n"));
output = [];
}
};
} else {
append = function(line) {
if (!line) return;
output.append(line);
lines++;
bytes += line.length;
}
}
function appendSub(line) {
append(print.constReplace(line, subst));
}
function appendAll(arr) {
arr.forEach(function(line) { append(line) });
}
function appendAllSub(arr) {
arr.forEach(function(line) { appendSub(line) });
}
append(`; Generated by Kiri:Moto ${exports.VERSION}`);
append(`; ${new Date().toString()}`);
appendSub("; Bed left:{left} right:{right} top:{top} bottom:{bottom}");
append(`; Target: ${settings.filter[settings.mode]}`);
append("; --- process ---");
for (let pk in process) {
append("; " + pk + " = " + process[pk]);
}
append("; --- startup ---");
let t0 = false;
let t1 = false;
for (let i=0; i<device.gcodePre.length; i++) {
let line = device.gcodePre[i];
if (line.indexOf('T0') >= 0) t0 = true; else
if (line.indexOf('T1') >= 0) t1 = true; else
if (line.indexOf('M82') >= 0) extrudeAbs = true; else
if (line.indexOf('M83') >= 0) extrudeAbs = false; else
if (line.indexOf('G90') >= 0) extrudeAbs = true; else
if (line.indexOf('G91') >= 0) extrudeAbs = false; else
if (line.indexOf('G92') === 0) {
line.split(";")[0].split(' ').forEach(function (tok) {
let val = parseFloat(tok.substring(1) || 0) || 0;
switch (tok[0]) {
case 'X': pos.x = val; break;
case 'Y': pos.y = val; break;
case 'Z': pos.z = val; break;
case 'E': outputLength = val; break;
}
});
}
if (extrudeAbs && line.indexOf('E') > 0) {
line.split(";")[0].split(' ').forEach(function (tok) {
// use max E position from gcode-preamble
if (tok[0] == 'E') {
outputLength = Math.max(outputLength, parseFloat(tok.substring(1)) || 0);
}
});
}
appendSub(line);
}
function dwell(ms) {
append(`G4 P${ms}`);
time += timeDwell;
}
function retract(zhop) {
retracted = retDist;
moveTo({e:-retracted}, retSpeed, `e-retract ${retDist}`);
if (zhop) moveTo({z:zpos + zhop}, seekMMM, "z-hop start");
time += (retDist / retSpeed) * 60 * 2; // retraction time
}
function moveTo(newpos, rate, comment) {
if (comment) {
append(";; " + comment);
}
let o = [!rate && !newpos.e ? 'G0' : 'G1'];
if (typeof newpos.x === 'number') {
pos.x = newpos.x;//UTIL.round(newpos.x,decimals);
o.append(" X").append(pos.x.toFixed(decimals));
}
if (typeof newpos.y === 'number') {
pos.y = newpos.y;//UTIL.round(newpos.y,decimals);
o.append(" Y").append(pos.y.toFixed(decimals));
}
if (typeof newpos.z === 'number') {
pos.z = newpos.z;//UTIL.round(newpos.z,decimals);
o.append(" Z").append(pos.z.toFixed(decimals));
}
if (typeof newpos.e === 'number') {
outputLength += newpos.e;
if (extrudeAbs) {
// for cumulative (absolute) extruder positions
// o.append(" E").append(UTIL.round(outputLength, decimals));
o.append(" E").append(outputLength.toFixed(decimals));
} else {
// o.append(" E").append(UTIL.round(newpos.e, decimals));
o.append(" E").append(newpos.e.toFixed(decimals));
}
}
if (rate && rate != pos.f) {
o.append(" F").append(Math.round(rate));
pos.f = rate
}
let line = o.join('');
if (last == line) {
// console.log({dup:line});
return;
}
last = line;
append(line);
}
// calc total distance traveled by head as proxy for progress
let allout = [], totaldistance = 0;
layers.forEach(function(outs) {
allout.appendAll(outs);
});
allout.forEachPair(function (o1, o2) {
totaldistance += o1.point.distTo2D(o2.point);
}, 1);
// retract before first move
retract();
while (layer < layers.length) {
path = layers[layer];
emitPerMM = print.extrudePerMM(
extruder.extNozzle,
extruder.extFilament,
path.layer === 0 ?
(process.firstSliceHeight || process.sliceHeight) : path.height);
subst.z = (zpos + path.height).toFixed(3);
subst.Z = subst.z;
subst.layer = layer;
subst.height = path.height.toFixed(3);
if (pauseCmd && pause.indexOf(layer) >= 0) {
appendAllSub(pauseCmd)
}
if (gcodeLayer && gcodeLayer.length) {
appendAllSub(gcodeLayer);
} else {
append(`;; --- layer ${layer} (${subst.height} @ ${subst.z}) ---`);
}
if (layer > 0 && process.layerRetract) {
retract();
}
// enable fan at fan layer
if (fan_power && layer === process.outputFanLayer) {
appendSub(fan_power);
}
// second layer transitions
if (layer === 1) {
// update temps when first layer overrides are present
if (process.firstLayerNozzleTemp) {
subst.temp = process.outputTemp;
if (t0) appendSub("M104 S{temp} T0");
if (t1) appendSub("M104 S{temp} T1");
if (!(t0 || t1)) appendSub("M104 S{temp} T{tool}");
}
if (process.firstLayerBedTemp) {
subst.bed_temp = subst.temp_bed = process.outputBedTemp;
appendSub("M140 S{temp_bed} T0");
}
}
// move Z to layer height
zpos += path.height;
moveTo({z:zpos}, seekMMM);
// iterate through layer outputs
for (pidx=0; pidx<path.length; pidx++) {
out = path[pidx];
speedMMM = (out.speed || process.outputFeedrate) * 60;
// look for extruder change and recalc emit factor
if (out.tool !== undefined && out.tool !== tool) {
tool = out.tool;
subst.nozzle = subst.tool = tool;
extruder = extruders[tool];
offset_x = extruder.extOffsetX;
offset_y = extruder.extOffsetY;
emitPerMM = print.extrudePerMM(
extruder.extNozzle,
extruder.extFilament,
path.layer === 0 ?
(process.firstSliceHeight || process.sliceHeight) : path.height);
appendAllSub(extruder.extSelect);
}
// if no point in output, it's a dwell command
if (!out.point) {
dwell(out.speed);
continue;
}
let x = out.point.x + offset_x,
y = out.point.y + offset_y,
z = out.point.z;
// adjust for inversions and offsets
if (process.outputInvertX) x = -x;
if (process.outputInvertY) y = -y;
if (offset) {
x += offset.x;
y += offset.y;
}
dist = lastp ? lastp.distTo2D(out.point) : 0;
// re-engage post-retraction before new extrusion
if (out.emit && retracted) {
// when enabled, resume previous Z
if (zhop && pos.z != zpos) moveTo({z:zpos}, seekMMM, "z-hop end");
// re-engage retracted filament
moveTo({e:retracted}, retSpeed, `e-engage ${retracted}`);
retracted = 0;
// optional dwell after re-engaging filament to allow pressure to build
if (retDwell) dwell(retDwell);
time += (retDist / retSpeed) * 60 * 2; // retraction time
}
if (lastp && out.emit) {
emitMM = emitPerMM * out.emit * dist;
moveTo({x:x, y:y, e:emitMM}, speedMMM);
emitted += emitMM;
} else {
moveTo({x:x, y:y}, seekMMM);
// TODO disabling out of plane z moves until a better mechanism
// can be built that doesn't rely on computed zpos from layer heights...
// when making z moves (like polishing) allow slowdown vs fast seek
// let moveSpeed = (lastp && lastp.z !== z) ? speedMMM : seekMMM;
// moveTo({x:x, y:y, z:z}, moveSpeed);
}
// retract filament if point retract flag set
if (!retracted && out.retract) {
retract(zhop);
}
// update time and distance (should calc in moveTo() instead)
time += (dist / speedMMM) * 60 * 1.5;
distance += dist;
subst.progress = progress = Math.round((distance / totaldistance) * 100);
// emit tracked progress
if (gcodeTrack && progress != lastProgress) {
appendSub(gcodeTrack);
lastProgress = progress;
}
lastp = out.point;
laste = out.emit;
}
layer++;
}
subst.time = UTIL.round(time,2);
subst.material = UTIL.round(emitted,2);
append("; --- shutdown ---");
appendAllSub(device.gcodePost);
append(`; --- filament used: ${subst.material} mm ---`);
append(`; --- print time: ${time.toFixed(0)}s ---`);
// force emit of buffer
append();
print.distance = emitted;
print.lines = lines;
print.bytes = bytes + lines - 1;
print.time = time;
return online ? null : output.join("\n");
};
})();