64 lines
2.5 KiB
JavaScript
64 lines
2.5 KiB
JavaScript
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import { generateMap } from "./mapPipeline.js";
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import { collectTransferableBuffers } from "./transferUtils.js";
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import { compactRawPatchCandidate, summarizeRawPatchCandidate } from "./rawPatchCandidate.js";
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function scopeTaskProgress(event = {}, taskId) {
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const scoped = { ...event };
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if (event?.workUnitId != null && String(event.workUnitId).length > 0) {
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scoped.workUnitId = `${taskId}/${String(event.workUnitId)}`;
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}
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return scoped;
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}
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if (typeof self !== "undefined") {
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self.onmessage = (event) => {
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const message = event.data || {};
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if (message.type !== "generate-raw-patch-candidate") return;
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const taskId = String(message.taskId || `raw-${message.id || 0}`);
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const startedAt = typeof performance !== "undefined" && performance.now ? performance.now() : Date.now();
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try {
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let candidate = generateMap(Number(message.seed) >>> 0, {
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...(message.mapOptions || {}),
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// A boolean sentinel is sufficient: mapPipeline only records whether a
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// boundary world exists. Actual seam/quality work remains in the parent
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// patch worker after this raw candidate has been transferred back.
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boundaryWorld: true,
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onProgress: (progress) => {
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self.postMessage({
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type: "raw-patch-candidate-progress",
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id: message.id,
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taskId,
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progress: scopeTaskProgress(progress, taskId),
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});
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},
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});
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const elapsedMs = (typeof performance !== "undefined" && performance.now ? performance.now() : Date.now()) - startedAt;
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// Transfer only the roots consumed by mapPatch. Full-map geography/debug
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// graphs can exceed the actual patch payload and are never consulted by
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// candidate merge/quality logic. Dropping them before structured clone
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// creates a hard cross-worker memory bound for large tiled operations.
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candidate = compactRawPatchCandidate(candidate);
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const transferSummary = summarizeRawPatchCandidate(candidate);
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const transferables = [...collectTransferableBuffers(candidate)];
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self.postMessage({
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type: "raw-patch-candidate-result",
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id: message.id,
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taskId,
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ok: true,
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elapsedMs,
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transferSummary,
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candidate,
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}, transferables);
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} catch (error) {
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self.postMessage({
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type: "raw-patch-candidate-result",
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id: message.id,
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taskId,
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ok: false,
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code: error?.code || "raw-patch-candidate-error",
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error: error?.message || String(error),
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stack: error?.stack || "",
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});
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}
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};
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}
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