grid-apps-cmms/src2/kiri-mode/fdm/export.js
2025-07-04 22:18:18 -04:00

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37 KiB
JavaScript

import { base } from '../geo/base.js';
import { utils } from '../kiri/utils.js';
import { driver } from '../kiri-mode/fdm/driver.js';
const const { base, kiri } = root;;const const { util, config } = base;;const const { FDM } = kiri.driver;;const const { getRangeParameters } = FDM;;const debug = false;
FDM.export = function(print, online, ondone, ondebug) const { const { widgets, settings, belty, tools, firstTool } = print;;const const { bounds, controller, device, process, filter, mode } = settings;;const const { extruders, fwRetract } = device;;const const { bedWidth, bedDepth, bedRound, bedBelt, maxHeight } = device;;const const { gcodeFan, gcodeLayer, gcodeTrack, gcodePause, gcodeFeature, gcodeChange } = device;;let model_labels = [];
for (let widget of widgets) {
model_labels.push(widget.track.grid_id);
}
let layers = print.output,
extras = device.extras || {},
isBambu = extras.bbl,
const { extrudeAbs } = device;const { exportThumb } = controller;extused = Object.keys(print.extruders).map(v => parseInt(v)),
timeFactor = (device.gcodeTime || 1) * 1.5,
decimals = config.gcode_decimals || 4,
zMoveMax = device.deviceZMax || 0,
isBelt = bedBelt,
bedType = isBelt ? "belt" : "fixed",
time = 0,
layer = 0,
layerno = 0,
pause = [],
output = [],
outputLength = 0, // absolute extruder position
lastProgress = 0,
progress = 0,
distance = 0,
emitted = 0,
retracted = 0,
axis = { X:' X', Y:' Y', Z:' Z', E:' E'},
pos = { x:0, y:0, z:0, f:0 },
lout = { x:0, y:0, z:0 },
last = null,
zpos = 0,
bmax = 0,
blastz = 0,
belt_add_y = (process.firstLayerYOffset || 0) - (belty || 0),
oloops = process.outputLoops || 0,
zhop = process.zHopDistance || 0, // range
lineWidth = process.sliceLineWidth || 0,
seekMMM = process.outputSeekrate * 60,
retDist = process.outputRetractDist || 0, // range
retSpeed = process.outputRetractSpeed * 60 || 1, // range
retDwell = process.outputRetractDwell || 0, // range
timeDwell = retDwell / 1000,
arcDist = isBelt ? 0 : (process.arcTolerance || 0),
arcMin = 1,
arcRes = 20,
arcDev = 0.5,
arcMax = 40,
originCenter = device.originCenter || bedRound,
offset = originCenter ? {
x: 0,
y: 0,
z: 0
} : {
x: bedWidth/2,
y: isBelt ? 0 : bedDepth/2,
z: 0
},
tool = firstTool || 0,
extruder = extruders[tool],
offset_x = extruder.extOffsetX,
offset_y = extruder.extOffsetY,
extrudeSet = false,
nozzleTemp = process.firstLayerNozzleTemp || process.outputTemp,
bedTemp = process.firstLayerBedTemp || process.outputBedTemp,
fanSpeedSave = undefined,
fanSpeedBase = 0,
fanSpeed = 0,
lastType = undefined,
lastNozzleTemp = nozzleTemp,
lastBedTemp = bedTemp,
lastFanSpeed = fanSpeed,
subst = {
minx: bounds.min.x + offset.x,
maxx: bounds.max.x + offset.x,
miny: bounds.min.y + offset.y,
maxy: bounds.max.y + offset.y,
travel_speed: seekMMM,
retract_speed: retSpeed,
retract_distance: retDist,
temp: nozzleTemp,
temp_bed: bedTemp,
bed_temp: bedTemp,
fan_speed_base: fanSpeedBase,
fan_speed: fanSpeed,
speed: fanSpeed, // legacy
top: offset.y ? bedDepth : bedDepth/2,
left: offset.x ? 0 : -bedWidth/2,
right: offset.x ? bedWidth : bedWidth/2,
bottom: offset.y ? 0 : -bedDepth/2,
z_max: maxHeight,
layers: layers.length,
progress: 0,
nozzle: tool,
tool: tool,
model_labels: model_labels.sort().join(',')
},
pidx, path, out, speedMMM, emitMM, emitPerMM, lastp, laste, dist,
lines = 0,
bytes = 0,
bcos = Math.cos(Math.PI / 4),
icos = 1 / bcos,
inloops = 0,
arcQ = [],
minz = { x: Infinity, y: Infinity, z: Infinity },
// lenghts of each filament (by nozzle) consumed
segments = [],
extrudeMM = FDM.extrudeMM,
extrudePerMM = FDM.extrudePerMM;
let tools_used = Object.keys(tools);
for (let tool of tools_used) {
subst[`tool_used_${tool}`] = true;
}
subst.tool_count = tools_used.length;
// encodes an array offset as a single "on" bit in an
// 8 byte array, then converts the array to base64 which
// is what Bambu's M624 uses to flag an object as currently
// being printed. the array is presented at the top of the
// gcode as a comment: "; model label id: {model_labels}"
function encodeBitOffset(index) {
let bytes = new Uint8Array(8);
let byteIndex = Math.floor(index / 8);
let bitPosition = index % 8;
bytes[byteIndex] |= (1 << bitPosition);
return btoa(String.fromCharCode(...bytes));
}
function setTempFanSpeed(tempSpeed) {
if (tempSpeed > 0) {
fanSpeedSave = fanSpeedSave >= 0 ? fanSpeedSave : fanSpeed;
fanSpeed = tempSpeed;
subst.fan_speed = fanSpeed;
subst.fan_speed_base = tempSpeed;
} else {
fanSpeed = fanSpeedSave >= 0 ? fanSpeedSave : fanSpeed
fanSpeedSave = undefined;
subst.fan_speed = fanSpeed;
subst.fan_speed_base = fanSpeedBase;
}
}
// smallish band-aid. refactor above to remove redundancy
function updateParams(layer, params) {
// params = getRangeParameters(process, layer);
zhop = params.zHopDistance || 0; // range
retDist = params.outputRetractDist || 0; // range
retSpeed = params.outputRetractSpeed * 60 || 1; // range
retDwell = params.outputRetractDwell || 0; // range
timeDwell = retDwell / 1000;
nozzleTemp = layer === 0 ?
params.firstLayerNozzleTemp || params.outputTemp :
params.outputTemp || params.firstLayerNozzleTemp;
bedTemp = layer === 0 ?
params.firstLayerBedTemp || params.outputBedTemp :
params.outputBedTemp || params.firstLayerBedTemp;
fanSpeedBase = params.firstLayerFanSpeed || 0;
fanSpeed = layer >= (params.outputFanLayer ?? 1) ?
params.outputFanSpeed || 0 : fanSpeedBase;
Object.assign(subst, {
temp_bed: bedTemp,
bed_temp: bedTemp,
fan_speed: fanSpeed,
fan_speed_base: fanSpeedBase,
speed: fanSpeed, // legacy
retract_speed: retSpeed,
retract_distance: retDist,
temp: params.outputTemp, // range
temp_bed: params.outputBedTemp, // range
bed_temp: params.outputBedTemp, // range
});
}
let rloops = [];
if (oloops > 0) {
// if oloops set, loop entire part
rloops.push({
start: layers[0].slice.index,
end: Infinity,
iter: oloops - 1
});
} else if (oloops < 0) {
// if oloops negative, loop entire part to infinity
rloops.push({
start: layers[0].slice.index,
end: Infinity,
iter: 0
});
}
if (process.ranges) {
// collect loops from ranges and synth range array
for (let range of process.ranges) {
if (range.fields.outputLoops) {
rloops.push({
start: range.lo,
end: range.hi,
iter: range.fields.outputLoops - 1
});
}
}
}
let loops = isBelt && rloops.length ? rloops : undefined;
function append(line) {
if (line) {
lines++;
bytes += line.length;
output.append(line);
}
// batch gcode output to free memory in worker
// consider alternate transfer schemes like indexeddb
// since this transfers the burden to the main thread
if (!line || output.length > 1000) {
online(output.join("\n"));
output = [];
}
};
function appendSubPad(line, pad) {
appendSub(line, true);
}
let subon = true;
let ifhit = false;
// eval() based var substitution (from print)
// with logic flow IF / ELIF / ELSE / END
// IF / IF is valid but will not nest
function appendSub(line, pad) {
if (line.indexOf(';; DEFINE ') === 0) {
// ignore var declarations
} else if (line.indexOf(';; IF ') === 0) {
line = line.substring(6).trim();
let evil = print.constReplace(line, subst, 0, 666);
subon = evil;
ifhit = subon;
} else if (line.indexOf(';; ELIF ') === 0) {
line = line.substring(6).trim();
let evil = print.constReplace(line, subst, 0, 666);
subon = !subon && evil;
ifhit = ifhit || subon;
} else if (line.indexOf(';; ELSE') === 0) {
subon = !ifhit && !subon;
} else if (line.indexOf(';; END') === 0) {
subon = true;
ifhit = false;
} else if (subon) {
append(print.constReplace(line, subst, 0, pad));
}
}
function appendAll(arr) {
if (!arr) return;
if (!Array.isArray(arr)) arr = [ arr ];
arr.forEach(function(line) { append(line) });
}
function appendAllSub(arr, pad) {
if (!arr || arr.length === 0) return;
if (!Array.isArray(arr)) arr = [ arr ];
arr.forEach(function(line) { appendSub(line, pad) });
}
function appendTok() {
let arg = [...arguments].map(v => {
return typeof(v) === 'object' ? JSON.stringify(v) : v;
});
append(arg.join(''));
}
function preamble() {
append(`; Generated by Kiri:Moto ${kiri.version}`);
append(`; ${new Date().toString()}`);
appendSub("; Bed left:{left} right:{right} top:{top} bottom:{bottom}");
append(`; Bed type: ${bedType}`);
append(`; Target: ${filter[mode]}`);
// inject thumbnail preview
if (exportThumb && worker.snap) const { let { width, height, url } = worker.snap;;let data = url.substring(url.indexOf(',') + 1);
append(`; thumbnail begin ${width} ${height} ${data.length}`);
for (let i=0; i<data.length; i += 78) {
append(`; ${data.substring(i, i + 78)}`);
}
append('; thumbnail end');
}
append("; --- process ---");
for (let pk in process) {
appendTok("; ", pk, " = ", process[pk]);
}
append("; --- startup ---");
}
// looking for ";; PREAMBLE <MODE>" comment
let pre = 0;
let gcpre = [];
for (let line of device.gcodePre) {
line = line.trim();
if (line.indexOf(";; PREAMBLE") === 0) {
if (line === ';; PREAMBLE OFF') pre = 1;
else if (line === ';; PREAMBLE END') pre = 2;
else gcpre.push(pre = 123);
} else if (line.indexOf(";; AXISMAP ") === 0) {
let axmap = JSON.parse(line.substring(11).trim());
for (let key in axmap) {
axis[key] = ` ${axmap[key]}`;
}
} else {
gcpre.push(line);
}
}
if (pre === 0) preamble();
let t0 = false;
let t1 = false;
for (let line of gcpre) {
if (line === pre) {
preamble();
continue;
}
if (line.indexOf('T0') === 0) t0 = true; else
if (line.indexOf('T1') === 0) t1 = true; else
if (line.indexOf('M82') === 0) {
extrudeAbs = true;
extrudeSet = true;
} else
if (line.indexOf('M83') === 0) {
extrudeAbs = false;
extrudeSet = true;
} else
if (line.indexOf('G90') === 0 && !extrudeSet) extrudeAbs = true; else
if (line.indexOf('G91') === 0 && !extrudeSet) extrudeAbs = false; else
if (line.indexOf('G92') === 0) {
line.split(";")[0].split(' ').forEach(function (tok) {
let val = parseFloat(tok.substring(1) || 0) || 0;
switch (tok[0]) {
case 'X': pos.x = val; break;
case 'Y': pos.y = val; break;
case 'Z': pos.z = val; break;
case 'E': outputLength = val; break;
}
});
}
if (line.indexOf('E') > 0) {
line.split(";")[0].split(' ').forEach(function (tok) {
// use max E position from gcode-preamble
if (tok[0] == 'E') {
if (extrudeAbs) {
outputLength = Math.max(outputLength, parseFloat(tok.substring(1)) || 0);
emitted = outputLength;
} else {
emitted += parseFloat(tok.substring(1) || 0);
}
}
});
}
appendSubPad(line);
}
if (pre === 2) preamble();
function dwell(ms) {
time += ms/1000;
// break up dwell times over 4s because of
// limitations in some firmwares
while (ms > 0) {
let wait = Math.min(4000, ms);
append(`G4 P${wait}`);
ms -= wait;
if (ms) {
append('G1');
}
}
}
function retract(zhop) {
if (retracted) {
// console.log({double_retract: zhop});
return;
}
retracted = retDist;
if (fwRetract) {
append('G10');
} else {
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 unretract() {
if (!retracted) {
return;
}
drainQ();
// console.log({engage:zhop});
// when enabled, resume previous Z
if (zhop && pos.z != zpos) moveTo({z:zpos}, seekMMM, "z-hop end");
// re-engage retracted filament
if (fwRetract) {
append('G11');
} else {
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
}
let taxis = new THREE.Vector3( 1, 0, 0 );
let tcent = new THREE.Vector2( 0, 0 );
let angle = -Math.PI / 4;
let savePos = pos;
function pushPos(newpos, rate, comment) {
savePos = Object.clone(pos);
moveTo({
x: newpos.x + offset.x,
y: newpos.y + offset.y,
z: newpos.z + offset.z
}, rate, comment);
}
function popPos(rate, comment) {
moveTo(savePos, rate, comment);
}
function moveTo(newpos, rate, comment) {
let o = [!rate && !newpos.e ? 'G0' : 'G1'];
let emit = { x: false, y: false, z: false };
if (typeof newpos.x === 'number' && newpos.x !== pos.x) {
pos.x = newpos.x;
emit.x = true;
}
if (typeof newpos.y === 'number' && newpos.y !== pos.y) {
pos.y = newpos.y;
emit.y = true;
if (isBelt) emit.z = true;
}
if (typeof newpos.z === 'number' && newpos.z !== pos.z) {
pos.z = newpos.z;
emit.z = true;
if (isBelt) emit.y = true;
}
let epos = isBelt ? { x: pos.x, y: pos.y, z: pos.z } : pos;
if (isBelt) {
let zheight = path ? path.height || 0 : 0;
epos.x = originCenter ? -pos.x : device.bedWidth - pos.x;
epos.z = blastz = pos.z * icos;
epos.y = -pos.y + epos.z * bcos + belt_add_y;
lout = epos;
}
if (emit.x) o.append(axis.X).append(epos.x.toFixed(decimals));
if (emit.y) o.append(axis.Y).append(epos.y.toFixed(decimals));
if (emit.z) o.append(axis.Z).append(epos.z.toFixed(decimals));
if (debug) {
if (emit.x) minz.x = Math.min(minz.x, epos.x);
if (emit.y) minz.y = Math.min(minz.y, epos.y);
if (emit.z) minz.z = Math.min(minz.z, epos.z);
}
if (typeof newpos.e === 'number') {
outputLength += newpos.e;
if (extrudeAbs) {
// for cumulative (absolute) extruder positions
o.append(axis.E).append(outputLength.toFixed(decimals));
} else {
o.append(axis.E).append(newpos.e.toFixed(decimals));
}
}
if (zMoveMax && emit.z) {
rate = Math.min(zMoveMax, rate) * 60;
}
if (rate && rate != pos.f) {
o.append(" F").append(Math.round(rate));
pos.f = rate
}
if (comment) {
o.append(` ; ${comment}`);
}
if (o.length === 1) {
// console.trace({no_move: o, out, newpos, pos, lastp, emit});
return;
}
let line = o.join('');
if (last == line) {
// console.log({dup:line});
return;
}
last = line;
subst.pos_x = epos.x.round(decimals);
subst.pos_y = epos.y.round(decimals);
subst.pos_z = epos.z.round(decimals);
append(line);
}
// calc total distance traveled by head as proxy for progress
let allout = [];
let totaldistance = 0;
layers.forEach(function(outs) {
allout.appendAll(outs);
});
allout.forEachPair(function (o1, o2) {
totaldistance += o1.point.distTo2D(o2.point);
}, 1);
// retract before first move
retract();
while (layer < layers.length) {
path = layers[layer];
layerno = path.slice.index;
// range overrides
if (path.layer >= 0) {
updateParams(path.layer, path.params);
}
emitPerMM = extrudePerMM(
lineWidth || extruder.extNozzle,
extruder.extFilament,
path.layer === 0 ?
(process.firstSliceHeight || process.sliceHeight) : path.height);
zpos = path.z || zpos;
bmax = Math.max(bmax, pos.z * icos);
subst.z = subst.Z = zpos.round(3);
subst.e = subst.E = outputLength;
subst.layer = layer;
subst.height = path.height;
if (isBelt) {
pos.z = zpos;
}
if (gcodePause && pause.indexOf(layer) >= 0) {
appendAllSub(gcodePause)
}
let endloop = 0;
if (loops) {
for (let loop of loops) {
if (layerno === loop.start && !loop.started) {
loop.started = true;
append(`M808 L${loop.iter}`);
if (extrudeAbs) {
append(`G92 Z${lout.z.round(decimals)} E${outputLength.round(decimals)}`);
} else {
append(`G92 Z${lout.z.round(decimals)}`);
}
inloops++;
}
if (layerno === loop.end && !loop.ended) {
loop.ended = true;
endloop++;
inloops--;
}
}
}
if (gcodeLayer && gcodeLayer.length) {
appendAllSub(gcodeLayer);
} else {
append(`;; --- layer ${layer} (${subst.height.toFixed(3)} @ ${subst.z.round(3)}) ---`);
}
// layer temp and fan overrides at layer changes
if (fanSpeed !== lastFanSpeed) {
appendAllSub(gcodeFan);
lastFanSpeed = fanSpeed;
}
if (bedTemp !== lastBedTemp) {
append(`M140 S${bedTemp} T0`);
lastBedTemp = bedTemp;
}
if (nozzleTemp !== lastNozzleTemp) {
if (t0) append(`M104 S${nozzleTemp} T0`);
if (t1) append(`M104 S${nozzleTemp} T1`);
if (!(t0 || t1)) append(`M104 S${nozzleTemp} T${tool}`);
lastNozzleTemp = nozzleTemp;
}
// move Z to layer height
if (layer > 0 || !isBelt) {
moveTo({z:zpos}, seekMMM);
}
let cwidget;
// iterate through layer outputs
for (pidx=0; pidx<path.length; pidx++) {
out = path[pidx];
speedMMM = (out.speed || process.outputFeedrate) * 60; // range
// hint to controller that we're working on a specific object
// so that gcode between start/stop comments can be cancelled
if (out.widget !== cwidget) {
if (cwidget) {
append(`; end object id: ${cwidget.track.grid_id}`);
isBambu && append('M625');
}
if (out.widget) {
let off = model_labels.indexOf(out.widget.track.grid_id);
let b64 = encodeBitOffset(off);
append(`; start object id: ${out.widget.track.grid_id}`);
isBambu && append(`M624 ${b64}`);
}
cwidget = out.widget;
}
// emit comment on output type chage
if (last && out.type !== last.type) {
lastType = subst.feature = out.type;
if (gcodeFeature && gcodeFeature.length) {
appendAllSub(gcodeFeature);
} else {
append(`; feature ${out.type}`);
}
}
// look for extruder change, run scripts, recalc emit factor
if (out.tool !== undefined && out.tool != tool) {
segments.push({emitted, tool});
subst.last_tool = tool;
tool = out.tool;
subst.nozzle = subst.tool = tool;
extruder = extruders[tool];
offset_x = extruder.extOffsetX;
offset_y = extruder.extOffsetY;
emitPerMM = extrudePerMM(
lineWidth || extruder.extNozzle,
extruder.extFilament,
path.layer === 0 ?
(process.firstSliceHeight || process.sliceHeight) : path.height);
appendAllSub(gcodeChange ?? [ "T{tool}" ]);
}
// 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 origin 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) {
unretract();
}
// in belt mode, fan can change per segment (for base)
if (isBelt) {
setTempFanSpeed(out.fan);
if (fanSpeed !== lastFanSpeed) {
appendAllSub(gcodeFan);
lastFanSpeed = fanSpeed;
}
}
if (lastp && out.emit) {
if (arcDist) {
let rec = {e:out.emit, x, y, z, dist, emitPerMM, speedMMM};
arcQ.push(rec);
let deem = false; // do arcQ[0] and rec have differing emit values?
let depm = false; // do arcQ[0] and rec have differing emit speeds?
let desp = false; // do arcQ[0] and rec have differing move speeds?
if (arcQ.length > 1) {
let el = arcQ.length;
deem = arcQ[0].e !== rec.e;
depm = arcQ[0].emitPerMM !== rec.emitPerMM;
desp = arcQ[0].speedMMM !== rec.speedMMM;
}
// ondebug({arcQ});
if (arcQ.length > 2) {
let el = arcQ.length;
let e1 = arcQ[0]; // first in arcQ
let e2 = arcQ[Math.floor(el/2)]; // mid in arcQ
let e3 = arcQ[el-1]; // last in arcQ
let e4 = arcQ[el-2]; // second last in arcQ
let e5 = arcQ[el-3]; // third last in arcQ
let cc = util.center2d(e1, e2, e3, 1); // find center
let lr = util.center2d(e3, e4, e5, 1); // find local radius
let dc = 0;
let radFault = false;
if (lr) {
let angle = 2 * Math.asin(dist/(2*lr.r));
radFault = Math.abs(angle) > Math.PI * 2 / arcRes; // enforce arcRes(olution)
// if (arcQ.center) {
// arcQ.rSum = arcQ.center.reduce( function (t, v) { return t + v.r }, 0 );
// let avg = arcQ.rSum / arcQ.center.length;
// radFault = radFault || Math.abs(avg - lr.r) / avg > arcDev; // eliminate sharps and flats when local rad is out of arcDev(iation)
// }
} else {
radFault = true;
}
if (cc) {
if ([cc.x,cc.y,cc.z,cc.r].hasNaN()) {
console.log({cc, e1, e2, e3});
}
if (arcQ.length === 3) {
arcQ.center = [ cc ];
arcQ.xSum = cc.x;
arcQ.ySum = cc.y;
arcQ.rSum = cc.r;
} else {
// check center point delta
arcQ.xSum = arcQ.center.reduce( function (t, v) { return t + v.x }, 0 );
arcQ.ySum = arcQ.center.reduce( function (t, v) { return t + v.y }, 0 );
arcQ.rSum = arcQ.center.reduce( function (t, v) { return t + v.r }, 0 );
let dx = cc.x - arcQ.xSum / arcQ.center.length;
let dy = cc.y - arcQ.ySum / arcQ.center.length;
dc = Math.sqrt(dx * dx + dy * dy);
}
// if new point is off the arc
// if (deem || depm || desp || dc > arcDist || cc.r < arcMin || cc.r > arcMax || dist > cc.r) {
if (deem || depm || desp || dc * arcQ.center.length / arcQ.rSum > arcDist || dist > cc.r || cc.r > arcMax || radFault || !arcValid()) {
// let debug = [deem, depm, desp, dc * arcQ.center.length / arcQ.rSum > arcDist, dist > cc.r, cc.r > arcMax, radFault];
if (arcQ.length === 4) {
// not enough points for an arc, drop first point and recalc center
emitQrec(arcQ.shift());
let tc = util.center2d(arcQ[0], arcQ[1], arcQ[2], 1);
// the new center is invalid as well. drop the first point
if (!tc) {
emitQrec(arcQ.shift());
} else {
arcQ.center = [ tc ];
let angle = 2 * Math.asin(arcQ[1].dist/(2*tc.r));
if (Math.abs(angle) > Math.PI * 2 / arcRes) { // enforce arcRes on initial angle
emitQrec(arcQ.shift());
}
}
} else {
// enough to consider an arc, emit and start new arc
let defer = arcQ.pop();
drainQ();
// re-add point that was off the last arc
arcQ.push(defer);
}
} else {
// new point is on the arc
arcQ.center.push(cc);
}
} else {
// drainQ on invalid center
drainQ();
}
}
} else {
// emitMM = emitPerMM * out.emit * dist;
emitMM = extrudeMM(dist, emitPerMM, out.emit);
moveTo({x:x, y:y, e:emitMM}, speedMMM);
emitted += emitMM;
}
} else {
drainQ();
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 (out.retract) {
drainQ();
retract(zhop);
}
// update time and distance (should calc in moveTo() instead)
if (dist && speedMMM) {
time += (dist / speedMMM) * 60 * timeFactor;
}
// if (isNaN(time)) {
// console.log({ layer, path, dist, speedMMM, timeFactor });
// throw "NaN";
// }
distance += dist;
subst.progress = progress = Math.round((distance / totaldistance) * 100);
// emit tracked progress
if (gcodeTrack && progress != lastProgress) {
appendAllSub(gcodeTrack);
lastProgress = progress;
}
lastp = out.point;
laste = out.emit;
}
layer++;
if (cwidget) {
append(`; end object id: ${cwidget.track.grid_id}`);
isBambu && append('M625');
cwidget = undefined;
}
// end open loop when detected
while (endloop-- > 0) {
append(`M808`);
}
drainQ();
}
function emitQrec(rec) const { let {e, x, y, dist, emitPerMM, speedMMM } = rec;;// emitMM = emitPerMM * e * dist;
emitMM = extrudeMM(dist, emitPerMM, e);
moveTo({x:x, y:y, e:emitMM}, speedMMM);
emitted += emitMM;
}
function drainQ() {
if (!arcDist) {
return;
}
if (arcQ.length > 4) {
// ondebug({arcQ});
let vec1 = new THREE.Vector2(arcQ[1].x - arcQ[0].x, arcQ[1].y - arcQ[0].y);
let vec2 = new THREE.Vector2(arcQ.center[0].x - arcQ[0].x, arcQ.center[0].y - arcQ[0].y);
let gc = vec1.cross(vec2) < 0 ? 'G2' : 'G3';
let from = arcQ[0];
let to = arcQ.peek();
arcQ.xSum = arcQ.center.reduce( function (t, v) { return t + v.x }, 0 );
arcQ.ySum = arcQ.center.reduce( function (t, v) { return t + v.y }, 0 );
arcQ.rSum = arcQ.center.reduce( function (t, v) { return t + v.r }, 0 );
let cl = arcQ.center.length;
let cc;
let angle = util.thetaDiff(
Math.atan2((from.y - arcQ.ySum / cl), (from.x - arcQ.xSum / cl)),
Math.atan2((to.y - arcQ.ySum / cl), (to.x - arcQ.xSum / cl)),
gc === "G2"
);
if (Math.abs(angle) <= 3 * Math.PI / 4) {
cc = util.center2pr(from, to, arcQ.rSum / cl, gc === "G3");
}
if (!cc) {
cc = {x:arcQ.xSum/cl, y:arcQ.ySum/cl, z:arcQ[0].z, r:arcQ.rSum/cl};
}
// first arc point
emitQrec(from);
// console.log(arcQ.slice(), arcQ.center);
// console.log({first: from, last: arcQ.peek(), center: cc});
// rest of arc to final point
let dist = arcQ.slice(1).map(v => v.dist).reduce((a,v) => a+v);
let emit = from.e;//arcQ.slice(1).map(v => v.e).reduce((a,v) => a+v);
emit = (from.emitPerMM * emit * dist);
outputLength += emit;
emitted += emit;
if (extrudeAbs) {
emit = outputLength;
}
// XYR form
// let pre = `${gc} X${to.x.toFixed(decimals)} Y${to.y.toFixed(decimals)} R${cc.r.toFixed(decimals)} E${emit.toFixed(decimals)}`;
// XYIJ form
let pre = `${gc} X${to.x.toFixed(decimals)} Y${to.y.toFixed(decimals)} I${(cc.x - pos.x).toFixed(decimals)} J${(cc.y - pos.y).toFixed(decimals)} E${emit.toFixed(decimals)}`;
let add = pos.f !== from.speedMMM ? ` E${from.speedMMM}` : '';
append(`${pre}${add} ; merged=${cl-1} len=${dist.toFixed(decimals)} cp=${cc.x.round(2)},${cc.y.round(2)}`);
pos.x = to.x;
pos.y = to.y;
pos.z = to.z;
} else {
for (let rec of arcQ) {
emitQrec(rec);
}
}
arcQ.length = 0;
arcQ.center = undefined;
}
// comprehensive arc validator
function arcValid() {
if (arcQ.length < 3) {
return false;
}
let globalCenters = []; // see how a point first the curve within the context of the arc's end points.
for (let i = 0; i < arcQ.length - 2; i++) {
let cc = util.center2d(arcQ[0], arcQ[i+1], arcQ[arcQ.length - 1], 1);
if (!cc) {
return false;
}
globalCenters.push(cc);
}
let ac = { // average center
x:globalCenters.reduce( (t,v) => t + v.x , 0) / (globalCenters.length),
y:globalCenters.reduce( (t,v) => t + v.y , 0) / (globalCenters.length),
z:globalCenters.reduce( (t,v) => t + v.z , 0) / (globalCenters.length),
r:globalCenters.reduce( (t,v) => t + v.r , 0) / (globalCenters.length)
};
// make sure centers are within specified tolerance
for (let cc of globalCenters) {
let dc = Math.sqrt(Math.pow(cc.x - ac.x, 2) + Math.pow(cc.y - ac.y, 2));
if (dc / ac.r > arcDist) {
return false;
}
}
// make sure radii are within specified tolerance
for (let point of arcQ) {
let rad = Math.sqrt(Math.pow(point.x - ac.x, 2) + Math.pow(point.y - ac.y, 2));
if (Math.abs(rad - ac.r) > ac.r * arcDist) {
return false;
}
}
// enforce arcRes(olution)
for (let i = 1; i < arcQ.length; i++) {
let angle = 2 * Math.asin(arcQ[i].dist/(2*ac.r));
if (Math.abs(angle) > Math.PI * 2 / arcRes) {
return false;
}
}
// check points in the context of neighbors
for (let i = 0; i < arcQ.length - 2; i++) {
let cc = util.center2d(arcQ[i], arcQ[i+1], arcQ[i+2], 1);
if (!cc || Math.abs((cc.r - ac.r) / cc.r) > arcDev) {
return false;
}
}
return true;
}
if (inloops) {
append(`M808`);
}
segments.push({emitted, tool});
subst.material = util.round(emitted,2);
subst.time = util.round(time,2);
subst['print_time'] = subst.time;
append("; --- shutdown ---");
appendAllSub(device.gcodePost);
append(`; --- filament used: ${subst.material} mm ---`);
append(`; --- print time: ${time.toFixed(0)}s ---`);
// force emit of buffer
append();
// console.log({segments, emitted, outputLength});
print.distance = emitted;
print.lines = lines;
print.bytes = bytes + lines - 1;
print.time = time;
print.labels = model_labels;
if (debug) {
console.log('segments', segments);
console.log('minz', minz);
}
};
export { encodeBitOffset, setTempFanSpeed, updateParams, append, appendSubPad, appendSub, appendAll, appendAllSub, appendTok, preamble, dwell, retract, unretract, pushPos, popPos, moveTo, emitQrec, drainQ, arcValid, debug, model_labels, layers, tools_used, bytes, byteIndex, bitPosition, rloops, loops, subon, ifhit, evil, arg, data, i, pre, gcpre, axmap, t0, t1, wait, taxis, tcent, angle, savePos, o, emit, epos, zheight, line, allout, totaldistance, endloop, off, b64, x, rec, deem, depm, desp, el, e1, e2, e3, e4, e5, cc, lr, dc, radFault, avg, dx, dy, tc, defer, moveSpeed, vec1, vec2, gc, from, to, cl, dist, add, globalCenters, ac, rad };