Separate vessel records and acquisition from scene resources

src/layers/vessels/snapshotRenderer.js

@@ -0,0 +1,61 @@
+/** Connect portable vessel reconciliation to scene and selection operations. */
+export function createVesselSnapshotRenderer({
+  state,
+  records,
+  rendering,
+  tracking,
+  selection,
+  cards,
+}) {
+  function reconcileVessels(viewer, rows, { complete = true } = {}) {
+    rendering.ensureCollections(viewer);
+    const occluder = rendering.makeOccluder();
+    records.reconcile(
+      rows,
+      {
+        complete,
+        selectedRecord: state.selectedRecord,
+        cap: rendering.renderRowLimit(),
+      },
+      {
+        add(record) {
+          rendering.prepareRecordVisual(record);
+          rendering.addRecordPrimitives(record, occluder);
+        },
+        beforeUpdate(record) {
+          return rendering.shipIcon(record, record === state.selectedRecord);
+        },
+        updated(record, prevIcon) {
+          const selected = record === state.selectedRecord;
+          const visual = rendering.prepareRecordVisual(record);
+          if (visual.billboard) {
+            visual.billboard.position = visual.position;
+            visual.billboard.scale =
+              rendering.shipScale(record) * (selected ? 1.2 : 1);
+            const nextIcon = rendering.shipIcon(record, selected);
+            if (nextIcon !== prevIcon) visual.billboard.image = nextIcon;
+          }
+          if (record.mmsi === state.trailMmsi)
+            tracking.appendSelectedVesselTrailFix(record);
+          if (selected) {
+            cards.updateSelectedVesselHud(record);
+            selection.registerSelectedContext(record);
+          }
+        },
+        remove(record, evicted) {
+          if (evicted) selection.clearVesselInspection({ evicted: true });
+          rendering.removeRecordPrimitives(record);
+        },
+        removed(mmsi) {
+          if (state.trailMmsi === mmsi) tracking.clearSelectedVesselTrail();
+        },
+        staleSelected(record) {
+          cards.updateSelectedVesselHud(record);
+        },
+      },
+    );
+    state.lastVisibilityUpdate = 0;
+    rendering.updateVisibility(true);
+  }
+  return { reconcileVessels };
+}