restore indexed output, fix ops weight in slicing progress

src/kiri/mode/cam/op-index.js

@@ -7,6 +7,10 @@ export class OpIndex extends CamOp {
         super(state, op);
     }
 
+    weight() {
+        return 0.1;
+    }
+
     async slice() {
         let { op, state } = this;
         if (!state.isIndexed) {

src/kiri/mode/cam/op-shadow.js

@@ -20,6 +20,10 @@ class OpShadow extends CamOp {
         super(state, op);
     }
 
+    weight() {
+        return 0.1;
+    }
+
     async slice(progress) {
         let state = this.state;
         let { ops, slicer, widget, unsafe, addSlices, shadowAt } = state;

src/kiri/mode/cam/prepare.js

@@ -318,7 +318,7 @@ export function prepEach(widget, settings, print, firstPoint, update) {
             p.x + wmx,
             p.y + wmy,
             p.z + zadd
-        )
+        ).setA(p.a);
     }
 
     /**

src/kiri/mode/cam/slice.js

@@ -267,12 +267,12 @@ export async function cam_slice(settings, widget, onupdate, ondone) {
     if (isIndexed) {
         if (activeOps.length === 0 || activeOps[0].type !== 'index') {
             opList.push(new OPS.index(state, { type: "index", index: 0 }));
-            opTot++;
+            opTot += opList.peek().weight();
 
         }
     } else {
         opList.push(new OPS.shadow(state, { type: "shadow", silent: true }));
-        opTot++;
+        opTot += opList.peek().weight();
     }
 
     // determing # of steps and step weighting for progress bar