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refactor(street-level): drop FOLLOW and Google 3D ground casting

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FOLLOW is gone: no setFollow, follow state, map-stack availability or
handoff listener. Opening a photo still frames it with one flight through
the application's deferred navigation (begin/reassert), so a slow photo
never overrides newer navigation and tracking is released as before.

Ground casting is gone: groundCast.js, meshSampler.js, the surface mode,
the draped-to-cast swap and remesh. Coverage lines are always draped
GroundPolylinePrimitives (ClassificationType.BOTH); cones and the marker
clamp to the ground and keep the horizon cull. The terrain/meshFloor/ground
services and meshFloor.visibleTilesetLoaded are no longer needed.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
German KhokhlovandClaude Opus 5.5 committed 2026-10-07 21:59:15 +04:00
1 parent 7dec7883aa
commit 0f41fb04cd
37 files changed
+430 -3323
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src/layers/streetLevel/index.test.mjs
-59
View File
@@ -129,65 +129,6 @@ function slowLookups() {
return { lookups, nearestImage };
}
/** A map stack controller that can be switched between stacks. */
function fakeMapStack(initial) {
let active = initial;
const listeners = new Set();
return {
getActiveId: () => active,
subscribe(listener) {
listeners.add(listener);
return () => listeners.delete(listener);
},
switchTo(id) {
active = id;
for (const listener of listeners) listener();
},
listenerCount: () => listeners.size,
};
}
test('FOLLOW is available only while the Google 3D map stack is active', () => {
const layer = createStreetLevelLayer({ providers: [fakeProvider()] });
assert.equal(
layer.getUIState().street.followAvailable,
false,
'unknown stack: off',
);
const stack = fakeMapStack('esri-imagery');
layer.attachMapStackController(stack);
assert.equal(layer.getUIState().street.followAvailable, false);
layer.setFollow(true);
assert.equal(layer.getUIState().street.follow, false, 'refused on Esri');
stack.switchTo('photoreal');
assert.equal(layer.getUIState().street.followAvailable, true);
layer.setFollow(true);
assert.equal(layer.getUIState().street.follow, true);
stack.switchTo('osm');
assert.equal(layer.getUIState().street.followAvailable, false);
assert.equal(
layer.getUIState().street.follow,
false,
'leaving Google 3D stops following',
);
});
test('the layer lets go of the map stack when destroyed or re-attached', () => {
const layer = createStreetLevelLayer({ providers: [fakeProvider()] });
const first = fakeMapStack('photoreal');
layer.attachMapStackController(first);
assert.equal(first.listenerCount(), 1);
const second = fakeMapStack('photoreal');
layer.attachMapStackController(second);
assert.equal(first.listenerCount(), 0);
assert.equal(second.listenerCount(), 1);
layer.destroy();
assert.equal(second.listenerCount(), 0);
});
test('the CC BY-SA credit shows while a provider is on and goes with it', async (t) => {
const { layer, viewer } = await enabledLayer(t);
const shown = () => viewer.credits.map((credit) => credit.html);