fix output order for slices with shells touching the belt

src/dev/fdm/Creality.CR-30

@@ -71,11 +71,11 @@
         "sliceMinHeight": 0,
         "sliceSupportDensity": 0.25,
         "sliceSupportOffset": 0.4,
-        "sliceSupportGap": 1,
+        "sliceSupportGap": 0,
         "sliceSupportSize": 6,
-        "sliceSupportArea": 0.5,
+        "sliceSupportArea": 0.25,
         "sliceSupportExtra": 0,
-        "sliceSupportAngle": 2,
+        "sliceSupportAngle": 1,
         "sliceSupportNozzle": 0,
         "sliceSolidMinArea": 10,
         "sliceSolidLayers": 3,
@@ -85,10 +85,12 @@
         "firstLayerPrintMult": 1.15,
         "firstLayerYOffset": 0,
         "firstLayerBrim": 0,
-        "firstLayerBeltLead": 3,
+        "firstLayerBeltLead": 0,
+        "firstLayerFanSpeed": 0,
         "outputTemp": 210,
         "outputFanMax": 255,
         "outputBedTemp": 60,
+        "outputFanSpeed": 255,
         "outputFeedrate": 50,
         "outputFinishrate": 50,
         "outputSeekrate": 80,
@@ -96,14 +98,15 @@
         "outputFillMult": 1.25,
         "outputSparseMult": 1.25,
         "outputFanLayer": 0,
-        "outputRetractDist": 4,
-        "outputRetractSpeed": 30,
-        "outputRetractDwell": 30,
-        "outputShortPoly": 100.0,
+        "outputRetractDist": 4.5,
+        "outputRetractSpeed": 50,
+        "outputRetractWipe": 1,
+        "outputRetractDwell": 25,
+        "outputShortPoly": 60.0,
         "outputMinSpeed": 10.0,
         "outputCoastDist": 0.1,
-        "outputWipeDistance": 0,
-        "outputLayerRetract": true,
+        "outputWipeDistance": 1,
+        "outputLayerRetract": false,
         "detectThinWalls": true,
         "zHopDistance": 0,
         "antiBacklash": 0

src/kiri/print.js

@@ -845,7 +845,7 @@
                 // and enforce optimal shell order (outer first)
                 if (isBelt && opt.onBelt) {
                     startPoint = startClone;
-                    shellOrder = 1;
+                    shellOrder = -1;
                 }
 
                 // top object

src/mode/fdm/prepare.js

@@ -314,10 +314,11 @@
                         }
                     }
                 }
+                // todo remove b/c this is now calculated at slice time
                 // flag slices as being on or off the bed / belt
-                for (let slice of widget.slices) {
-                    slice.onbelt = Math.abs(minby - slice.minby) < 0.01;
-                }
+                // for (let slice of widget.slices) {
+                //     slice.onbelt = Math.abs(minby - slice.minby) < 0.01;
+                // }
             } else {
                 // when rafts used this is non-zero
                 offset.z = zoff;
@@ -410,7 +411,7 @@
                         params, // range parameters
                         first: slice.index === 0,
                         support: slice.widget.support,
-                        onBelt: slice.onbelt,
+                        onBelt: slice.belt.touch,
                         pretract: (wipeDist) => {
                             if (lastLayer && lastLayer.length) {
                                 let lastOut = lastLayer.last();

src/mode/fdm/slice.js

@@ -299,7 +299,7 @@
             }, "offsets");
 
             // add lead in when specified in belt mode
-            if (!isSynth && isBelt && spro.firstLayerBeltLead) {
+            if (!isSynth && isBelt) {
                 let wb = widget.bounds;
                 // find adjusted zero point from slices
                 let smin = Infinity;
@@ -336,7 +336,7 @@
                 while (start.up && start.topShells().length === 0) {
                     start = start.up;
                 }
-                while (start && offset >= sliceHeight) {
+                while (offset && start && offset >= sliceHeight) {
                     let addto = start.down;
                     if (!addto) {
                         addto = newSlice(start.z - sliceHeight);