persist layer visibility selections

src/kiri/conf.js

@@ -633,6 +633,7 @@
                 view: null,
                 dark: false,
                 decals: true,
+                danger: false,
                 zoomSpeed: 1.0,
                 lineType: "path",
                 autoSave: true,
@@ -651,6 +652,8 @@
                 detail: "good",
                 animesh: "200"
             },
+            // label state preferences
+            labels: {},
             // for passing temporary slice hints (topo currently)
             synth: {},
             // widget extra info for slicing (extruder mapping)

src/kiri/init.js

@@ -1991,6 +1991,19 @@
             UI.sliderHold.style.marginRight = `${hival}px`;
         });
 
+        // store layer preferences
+        API.event.on('stack.show', label => {
+            let mode = API.mode.get();
+            let view = API.view.get();
+            API.conf.get().labels[`${mode}-${view}-${label}`] = true;
+        });
+
+        API.event.on('stack.hide', label => {
+            let mode = API.mode.get();
+            let view = API.view.get();
+            API.conf.get().labels[`${mode}-${view}-${label}`] = false;
+        });
+
         // bind language choices
         $('lset-en').onclick = function() {
             SDB.setItem('kiri-lang', 'en-us');

src/kiri/main.js

@@ -935,6 +935,12 @@
                         });
                         updateSliderMax(true);
                         setVisibleLayer(-1, 0);
+                        if (scale === 1) {
+                            for (let label of STACKS.getLabels()) {
+                                let check = `${mode}-${viewMode}-${label}`;
+                                STACKS.setVisible(label, settings.labels[check] !== false);
+                            }
+                        }
                     });
                     if (scale === 1) {
                         API.show.progress(0);
@@ -1071,6 +1077,12 @@
             setVisibleLayer(-1, 0);
             updateSpeeds(maxSpeed);
 
+            // maatch label checkboxes to preference
+            for (let label of STACKS.getLabels()) {
+                let check = `${settings.mode}-${viewMode}-${label}`;
+                STACKS.setVisible(label, settings.labels[check] !== false);
+            }
+
             // mark preview complete for export
             complete.preview = true;
 

src/kiri/stacks.js

@@ -52,6 +52,20 @@
         return stacks[name];
     }
 
+    function getLabels() {
+        return Object.keys(DYN);
+    }
+
+    function setVisible(label, bool) {
+        let ctrl = DYN[label];
+        if (ctrl) {
+            ctrl.toggle.checked = bool;
+            ctrl.group.forEach(mat => {
+                mat.visible = bool;
+            });
+        }
+    }
+
     function create(name, view) {
         if (stacks[name]) {
             return stacks[name];
@@ -70,6 +84,11 @@
                                 ctrl.group.forEach(mat => {
                                     mat.visible = ctrl.toggle.checked;
                                 });
+                                if (ctrl.toggle.checked) {
+                                    KIRI.api.event.emit("stack.show", label);
+                                } else {
+                                    KIRI.api.event.emit("stack.hide", label)
+                                }
                             })
                         };
                         let color = lmap[label].color.check;
@@ -128,6 +147,8 @@
         getStack,
         getRange,
         setRange,
+        getLabels,
+        setVisible,
         setFreeMem
     };
 

src/mode/fdm/export.js

@@ -51,7 +51,7 @@
             retSpeed = process.outputRetractSpeed * 60,
             retDwell = process.outputRetractDwell || 0,
             timeDwell = retDwell / 1000,
-            arcDist = isBelt || isDanger ? 0 : (process.arcTolerance || 0),
+            arcDist = isBelt || !isDanger ? 0 : (process.arcTolerance || 0),
             originCenter = process.outputOriginCenter,
             offset = originCenter ? null : {
                 x: device.bedWidth/2,