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fix: cancel Nepal media preloads and respect drawing ownership

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Retain active-flight preloading while canceling hidden frames and pending Facebook sessions on stop, disable, and replacement. Add lifecycle and pointer-ownership regression coverage. Apply the runtime formatting adopted on main and keep the existing source-shape check insensitive to that formatting.
This commit is contained in:
Sameh Khamis committed 2026-09-15 08:29:01 -07:00
1 parent 1a936ebac1
commit a9482f0a5b
15 files changed
+3584 -1803
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src/data/bhoteKoshiShotPaths.js
+52 -20
View File
@@ -1,26 +1,40 @@
import { BHOTE_KOSHI_FLOOD_PATH } from './bhoteKoshiFloodPath.js';
export const SOURCE_PATH_BEAT_IDS = Object.freeze([
'debris-dammed-lake', 'second-landslide', 'dhunche',
'mailung-upper-trishuli', 'mailung-bazzar', 'dandagaun',
'dandagaun-viewpoint', 'betrawati-bazaar', 'bhainse', 'bidur-trishuli-bridge',
'debris-dammed-lake',
'second-landslide',
'dhunche',
'mailung-upper-trishuli',
'mailung-bazzar',
'dandagaun',
'dandagaun-viewpoint',
'betrawati-bazaar',
'bhainse',
'bidur-trishuli-bridge',
]);
function nearestVertex(point, route) {
if (!point || !Number.isFinite(point.lon) || !Number.isFinite(point.lat)) return -1;
const longitudeScale = Math.cos(point.lat * Math.PI / 180);
if (!point || !Number.isFinite(point.lon) || !Number.isFinite(point.lat))
return -1;
const longitudeScale = Math.cos((point.lat * Math.PI) / 180);
let nearest = -1;
let distance = 1000; // Witness viewpoints can sit beside the river, not on it.
route.forEach(([lon, lat], index) => {
const metres = Math.hypot((lon - point.lon) * longitudeScale, lat - point.lat) * 111195;
if (metres < distance) { distance = metres; nearest = index; }
const metres =
Math.hypot((lon - point.lon) * longitudeScale, lat - point.lat) * 111195;
if (metres < distance) {
distance = metres;
nearest = index;
}
});
return nearest;
}
/** Split the already-bundled GeoPera centreline; never connect witness pins. */
export function buildSourceShotPaths(event, route = BHOTE_KOSHI_FLOOD_PATH) {
const observations = new Map((event.evidenceSpine || []).map((point) => [point.id, point]));
const observations = new Map(
(event.evidenceSpine || []).map((point) => [point.id, point]),
);
const result = new Map();
const add = (id, from, to, { joinComparison = false } = {}) => {
let start = nearestVertex(from, route);
@@ -36,24 +50,42 @@ export function buildSourceShotPaths(event, route = BHOTE_KOSHI_FLOOD_PATH) {
// downstream of it, rather than replaying the upstream half-segment.
const [lon, lat] = route[start];
const [nextLon, nextLat] = route[start + 1];
const scale = Math.cos(from.lat * Math.PI / 180);
const along = (from.lon - lon) * (nextLon - lon) * scale * scale
+ (from.lat - lat) * (nextLat - lat);
const scale = Math.cos((from.lat * Math.PI) / 180);
const along =
(from.lon - lon) * (nextLon - lon) * scale * scale +
(from.lat - lat) * (nextLat - lat);
if (along > 0) start++;
}
const coordinates = route.slice(start, end + 1);
if (joinComparison && (coordinates[0][0] !== from.lon || coordinates[0][1] !== from.lat)) {
if (
joinComparison &&
(coordinates[0][0] !== from.lon || coordinates[0][1] !== from.lat)
) {
coordinates.unshift([from.lon, from.lat]);
}
result.set(id, coordinates.map(([lon, lat], index) => ({
lon, lat,
// Stable source profile for explicit source-elevation shots; otherwise a
// fallback when neither rendered mesh nor elevation terrain can be sampled.
fallbackElevationM: startHeight + (endHeight - startHeight) * index / (coordinates.length - 1),
})));
result.set(
id,
coordinates.map(([lon, lat], index) => ({
lon,
lat,
// Stable source profile for explicit source-elevation shots; otherwise a
// fallback when neither rendered mesh nor elevation terrain can be sampled.
fallbackElevationM:
startHeight +
((endHeight - startHeight) * index) / (coordinates.length - 1),
})),
);
};
add('debris-dammed-lake', observations.get('debris-dammed-lake'), observations.get('second-landslide'));
add('second-landslide', observations.get('second-landslide'), observations.get('gyirong-border-gate'));
add(
'debris-dammed-lake',
observations.get('debris-dammed-lake'),
observations.get('second-landslide'),
);
add(
'second-landslide',
observations.get('second-landslide'),
observations.get('gyirong-border-gate'),
);
let previous = event.reconstruction?.corridor?.at(-1);
for (const id of SOURCE_PATH_BEAT_IDS.slice(2)) {
const point = observations.get(id);