move src/kiri/* to src/kiri/core and src/kiri-*/ to src/kiri/* and updated all imports

src/kiri/mode/fdm/driver-be.js

@@ -0,0 +1,44 @@
+/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+
+import { util } from '../../../geo/base.js';
+import { fdm_slice } from './slice.js';
+import { fdm_prepare } from './prepare.js';
+import { fdm_export } from './export.js';
+
+// noz = nozzle diameter
+// fil = filament diameter
+// slice = slice height
+function extrudePerMM(noz, fil, slice) {
+    return ((Math.PI * util.sqr(noz / 2)) / (Math.PI * util.sqr(fil / 2))) * (slice / noz);
+};
+
+// dist = distance between extrusion points
+// perMM = amount extruded per MM (from extrudePerMM)
+// factor = scaling factor (usually 1.0)
+function extrudeMM(dist, perMM, factor) {
+    return dist * perMM * factor;
+}
+
+// defer loading until client and worker exist
+function init(worker) {
+
+    worker.dispatch.fdm_support_generate = function(data, send) {
+        const { settings } = data;
+        const widgets = Object.values(worker.cache);
+        const fresh = widgets.filter(widget => FDM.supports(settings, widget));
+        send.done(kiri.codec.encode(fresh.map(widget => { return {
+            id: widget.id,
+            supports: widget.supports,
+        } } )));
+    };
+
+}
+
+export const FDM = {
+    init,
+    extrudePerMM,
+    extrudeMM,
+    slice: fdm_slice,
+    prepare: fdm_prepare,
+    export: fdm_export
+};