refactor(geography): separate cable sources and bundled lookup modules

src/layers/submarineCables/interaction.js

@@ -0,0 +1,75 @@
+import * as Cesium from 'cesium';
+
+export function createInteraction({ state, screenSpaceEventHandlerFactory }) {
+  function registerPickEntity(entity, info) {
+    entity.__gevTeleGeography = info;
+    state._pickByEntity.set(entity, info);
+  }
+
+  function beginInteraction(viewer) {
+    if (state._clickHandler) return;
+    state._clickHandler = screenSpaceEventHandlerFactory(viewer.scene.canvas);
+    state._clickHandler.setInputAction((click) => {
+      if (!state._enabled) return;
+      const picked = viewer.scene.pick(click.position);
+      const record = resolvePickRecord(picked);
+      if (!record?.reference) return;
+      flyToReference(viewer, record.reference);
+    }, Cesium.ScreenSpaceEventType.LEFT_CLICK);
+  }
+
+  function resolvePickRecord(picked) {
+    if (!picked) return null;
+    const primitive = picked.primitive;
+    if (primitive) {
+      const primitiveInfo = state._pickByEntity.get(primitive);
+      if (primitiveInfo) return primitiveInfo;
+      if (primitive.__gevTeleGeography) return primitive.__gevTeleGeography;
+      if (
+        primitive.id &&
+        typeof primitive.id === 'object' &&
+        primitive.id.reference
+      ) {
+        return primitive.id;
+      }
+    }
+
+    const entity = picked.id;
+    if (entity) {
+      const entityInfo = state._pickByEntity.get(entity);
+      if (entityInfo) return entityInfo;
+      if (entity.__gevTeleGeography) return entity.__gevTeleGeography;
+      if (entity.id && typeof entity.id === 'object' && entity.id.reference) {
+        return entity.id;
+      }
+    }
+
+    return null;
+  }
+
+  function flyToReference(viewer, reference) {
+    if (!viewer || !reference) return;
+    const destination = Cesium.Cartesian3.fromDegrees(
+      reference.lon,
+      reference.lat,
+      6500,
+    );
+    viewer.camera.cancelFlight();
+    viewer.camera.flyTo({
+      destination,
+      orientation: {
+        heading: viewer.camera.heading || 0,
+        pitch: Cesium.Math.toRadians(-52),
+        roll: 0,
+      },
+      duration: 1.35,
+      easingFunction: Cesium.EasingFunction.CUBIC_IN_OUT,
+    });
+  }
+  return {
+    registerPickEntity,
+    beginInteraction,
+    resolvePickRecord,
+    flyToReference,
+  };
+}