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refactor gcode parser

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This commit is contained in:
Stewart Allen 2020-11-09 18:21:59 -05:00
commit 3aa07314c2
3 changed files with 61 additions and 62 deletions
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115
src/kiri/print.js
View file

@ -93,8 +93,10 @@
scope.bytes = code.length;
};
PRO.parseGCode = function(gcode, offset, progress, done) {
let lines = gcode
PRO.parseGCode = function(gcode, offset, progress, done, options) {
const opts = options || {};
const fdm = opts.fdm;
const lines = gcode
.toUpperCase()
.replace("X", " X")
.replace("Y", " Y")
@ -104,30 +106,11 @@
.replace(" ", " ")
.split("\n");
let scope = this,
output = scope.output = [],
const scope = this,
bounds = scope.bounds = {
max: { x:-Infinity, y:-Infinity, z:-Infinity},
min: { x:Infinity, y:Infinity, z:Infinity}
},
seq = [],
abs = true,
move = false,
defh = 0,
height = 0,
factor = 1,
tool = 0,
E0G0 = false,
moving = function() {
move = true;
if (seq.length > 0) {
output.push(seq);
seq = [];
seq.height = height;
}
},
LZ = 0.0,
LMZ = 0.0,
pos = {
X: 0.0,
Y: 0.0,
@ -146,6 +129,53 @@
Z: 0
};
let dz = 0,
abs = true,
defh = 0,
height = 0,
factor = 1,
tool = 0,
seq = [];
const output = scope.output = [ seq ];
function G0G1(moving) {
if (pos.X) bounds.min.x = Math.min(bounds.min.x, pos.X * factor);
if (pos.X) bounds.max.x = Math.max(bounds.max.x, pos.X * factor);
if (pos.Y) bounds.min.y = Math.min(bounds.min.y, pos.Y * factor);
if (pos.Y) bounds.max.y = Math.max(bounds.max.y, pos.Y * factor);
if (pos.Z) bounds.min.z = Math.min(bounds.min.z, pos.Z * factor);
if (pos.Z) bounds.max.z = Math.max(bounds.max.z, pos.Z * factor);
const point = newPoint(
factor * pos.X + off.X + xoff.X,
factor * pos.Y + off.Y + xoff.Y,
factor * pos.Z + off.Z + xoff.Z + dz
);
// always add moves to the current sequence
if (moving) {
addOutput(seq, point, false, pos.F, tool);
return;
}
if (seq.Z === undefined) {
seq.Z = pos.Z;
}
// non-move in a new plane means burp out
// the old sequence and start a new one
if (seq.Z != pos.Z) {
seq = [];
seq.height = height = (defh || pos.Z - seq.Z);
if (fdm) dz = -height / 2;
output.push(seq);
}
// add point to current sequence
addOutput(seq, point, true, pos.F, tool);
}
lines.forEach(function(line) {
if (line.indexOf('- LAYER ') > 0) {
const hd = line.replace('(','').replace(')','').split(' ');
@ -161,6 +191,7 @@
xoff.Y = -ext[pos].extOffsetY;
}
}
pos.E = 0.0;
switch (cmd) {
case 'G20':
factor = 25.4;
@ -177,53 +208,19 @@
abs = false;
break;
case 'G0':
moving();
G0G1(true);
break;
case 'G1':
line.forEach(function(tok) {
pos[tok.charAt(0)] = parseFloat(tok.substring(1));
});
if (seq.Z === undefined && pos.Z) {
seq.Z = pos.Z;
}
if (pos.X) bounds.min.x = Math.min(bounds.min.x, pos.X * factor);
if (pos.X) bounds.max.x = Math.max(bounds.max.x, pos.X * factor);
if (pos.Y) bounds.min.y = Math.min(bounds.min.y, pos.Y * factor);
if (pos.Y) bounds.max.y = Math.max(bounds.max.y, pos.Y * factor);
if (pos.Z) bounds.min.z = Math.min(bounds.min.z, pos.Z * factor);
if (pos.Z) bounds.max.z = Math.max(bounds.max.z, pos.Z * factor);
if (pos.E) E0G0 = true;
if (E0G0 && pos.E === 0.0) {
if (LZ != pos.Z) moving();
else move = true;
if (move && pos.Z > LMZ) {
height = seq.height = defh || pos.Z - LMZ;
}
}
addOutput(
seq,
newPoint(
factor * pos.X + off.X + xoff.X,
factor * pos.Y + off.Y + xoff.Y,
factor * pos.Z + off.Z + xoff.Z
),
!move,
pos.F,
tool
);
G0G1(fdm ? pos.E == 0 : false);
break;
case 'M6':
break;
}
if (move) {
LMZ = Math.max(pos.Z, LMZ);
}
move = false;
pos.E = 0.0;
LZ = pos.Z;
});
moving();
scope.imported = gcode;
scope.lines = lines.length;
scope.bytes = gcode.length;

5
src/kiri/worker.js
View file

@ -164,7 +164,8 @@ KIRI.worker = {
};
const print = KIRI.newPrint(settings, Object.values(cache));
const tools = settings.device.extruders;
const thin = settings.controller.thinRender || settings.mode !== 'FDM';
const mode = settings.mode;
const thin = settings.controller.thinRender || mode !== 'FDM';
const parsed = print.parseGCode(code, offset, progress => {
send.data({ progress: progress * 0.5 });
@ -173,7 +174,7 @@ KIRI.worker = {
send.data({ progress: 0.5 + progress * 0.5 });
}, { thin, tools });
send.done({parsed: KIRI.codec.encode(layers)});
});
}, { fdm : mode === 'FDM' });
},
clear: function(data, send) {

3
src/mode/fdm/prepare.js
View file

@ -405,8 +405,9 @@
const moveColor = opts.move >= 0 ? opts.move : 0xaaaaaa;
const printColor = opts.print >= 0 ? opts.print : 0x777700;
const layers = [];
const maxspd = levels.map(level => {
return level.map(o => o.emit || true ? o.speed || 0 : 0).reduce((a, v) => Math.max(a,v));
return level.map(o => o.speed || 0).reduce((a, v) => Math.max(a,v));
}).reduce((a, v) => Math.max(a, v)) + 1;
let lastOut = null;