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feat(assets): publish reusable area packages

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This commit is contained in:
que01
2026-08-11 16:07:07 +08:00
parent b4a81331e8
commit f385009043
18 changed files with 292 additions and 108 deletions
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21
scripts/lib/cesium-preview.js
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@@ -40,6 +40,8 @@
async function main() {
setLoadingMessage("Loading scene", config.areaId || "");
const metadata = await fetchJson(config.metadataName);
const descriptor = config.previewDescriptorName ? await fetchOptionalJson(config.previewDescriptorName) : null;
adaptPackageManifest(metadata, descriptor);
const routeData = await fetchOptionalJson(config.routeName);
const signalData = await fetchOptionalJson(config.trafficSignalsName);
const placement = scenePlacement(metadata);
@@ -145,11 +147,11 @@
}
function scenePlacement(metadata) {
const anchor = metadata.anchor || {};
const anchor = metadata.anchor || metadata.placement || {};
const longitude = Number(anchor.longitude || 0);
const latitude = Number(anchor.latitude || 0);
const height = Number(anchor.height || 0);
const heading = Number(metadata.heading_correction_degrees || 0);
const heading = Number(metadata.heading_correction_degrees ?? metadata.placement?.headingCorrectionDegrees ?? 0);
const position = Cesium.Cartesian3.fromDegrees(longitude, latitude, height);
const enu = Cesium.Transforms.eastNorthUpToFixedFrame(position);
const correction = Cesium.Matrix3.fromRotationZ(Cesium.Math.toRadians(heading));
@@ -164,6 +166,10 @@
}
function normalizedAssets(metadata) {
if (metadata.schema === "osm-asset-package/v1") {
const staticAssets = metadata.assets.map((asset) => ({ id: asset.id, label: asset.id, type: "model", url: asset.uri, enabled: asset.defaultLoad, category: asset.category, semantic: asset.role === "layer" }));
return staticAssets.concat(metadata.previewAssets || []);
}
const assets = Array.isArray(metadata.assets) && metadata.assets.length
? metadata.assets
: [{
@@ -176,6 +182,15 @@
return assets.filter((asset) => (asset.type || "model") === "model" && asset.url);
}
function adaptPackageManifest(metadata, descriptor) {
if (metadata.schema !== "osm-asset-package/v1") return;
metadata.anchor = metadata.placement;
metadata.heading_correction_degrees = metadata.placement.headingCorrectionDegrees;
metadata.scene_stats = metadata.sceneStats || {};
metadata.bounds = { min_lon: metadata.bounds.minLon, min_lat: metadata.bounds.minLat, max_lon: metadata.bounds.maxLon, max_lat: metadata.bounds.maxLat };
if (descriptor?.assets) metadata.previewAssets = descriptor.assets;
}
// One broken entry in metadata.assets should not blank the whole preview, so
// failures are collected and surfaced in the diagnostics panel instead.
async function loadSceneAssets(viewer, metadata, placement) {
@@ -187,7 +202,7 @@
loaded.push(entry);
// Semantic assets are inspection aids. Defer their network and GPU cost
// until the user explicitly switches out of the normal scene view.
if (entry.category === "semantic") continue;
if (entry.semantic || entry.enabled === false) continue;
await loadAsset(viewer, entry, placement);
}
if (!loaded.some((asset) => asset.model && asset.category !== "semantic")) {