backups/Fantasy-Map-Generator
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refactor: replace deepCopy with structuredClone

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Azgaar 2026-03-09 23:05:27 +01:00
parent 7a49098425
commit 1116cc5e0f
9 changed files with 123 additions and 142 deletions
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3
public/main.js
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@ -1141,7 +1141,6 @@ function reGraph() {
pack.cells = packCells;
pack.cells.p = newCells.p;
pack.cells.g = createTypedArray({maxValue: grid.points.length, from: newCells.g});
pack.cells.q = d3.quadtree(newCells.p.map(([x, y], i) => [x, y, i]));
pack.cells.h = createTypedArray({maxValue: 100, from: newCells.h});
pack.cells.area = createTypedArray({maxValue: UINT16_MAX, length: packCells.i.length}).map((_, cellId) => {
const area = Math.abs(d3.polygonArea(getPackPolygon(cellId)));
@ -1234,7 +1233,7 @@ function showStatistics() {
INFO && console.info(stats);
// Dispatch event for test automation and external integrations
window.dispatchEvent(new CustomEvent('map:generated', { detail: { seed, mapId } }));
window.dispatchEvent(new CustomEvent("map:generated", {detail: {seed, mapId}}));
}
const regenerateMap = debounce(async function (options) {

2
public/modules/dynamic/heightmap-selection.js
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@ -260,7 +260,7 @@ function getName(id) {
}
function getGraph(currentGraph) {
const newGraph = shouldRegenerateGrid(currentGraph, seed) ? generateGrid() : deepCopy(currentGraph);
const newGraph = shouldRegenerateGrid(currentGraph, seed) ? generateGrid() : structuredClone(currentGraph);
delete newGraph.cells.h;
return newGraph;
}

10
public/modules/resample.js
View file

@ -9,7 +9,7 @@ window.Resample = (function () {
scale: Number
*/
function process({projection, inverse, scale}) {
const parentMap = {grid: deepCopy(grid), pack: deepCopy(pack), notes: deepCopy(notes)};
const parentMap = {grid: structuredClone(grid), pack: structuredClone(pack), notes: structuredClone(notes)};
const riversData = saveRiversData(pack.rivers);
grid = generateGrid();
@ -28,7 +28,7 @@ window.Resample = (function () {
reGraph();
Features.markupPack();
Ice.generate()
Ice.generate();
createDefaultRuler();
restoreCellData(parentMap, inverse, scale);
@ -51,9 +51,10 @@ window.Resample = (function () {
grid.cells.temp = new Int8Array(grid.points.length);
grid.cells.prec = new Uint8Array(grid.points.length);
const parentPackQ = d3.quadtree(parentMap.pack.cells.p.map(([x, y], i) => [x, y, i]));
grid.points.forEach(([x, y], newGridCell) => {
const [parentX, parentY] = inverse(x, y);
const parentPackCell = parentMap.pack.cells.q.find(parentX, parentY, Infinity)[2];
const parentPackCell = parentPackQ.find(parentX, parentY, Infinity)[2];
const parentGridCell = parentMap.pack.cells.g[parentPackCell];
grid.cells.h[newGridCell] = parentMap.grid.cells.h[parentGridCell];
@ -347,11 +348,12 @@ window.Resample = (function () {
}
function restoreFeatureDetails(parentMap, inverse) {
const parentPackQ = d3.quadtree(parentMap.pack.cells.p.map(([x, y], i) => [x, y, i]));
pack.features.forEach(feature => {
if (!feature) return;
const [x, y] = pack.cells.p[feature.firstCell];
const [parentX, parentY] = inverse(x, y);
const parentCell = parentMap.pack.cells.q.find(parentX, parentY, Infinity)[2];
const parentCell = parentPackQ.find(parentX, parentY, Infinity)[2];
if (parentCell === undefined) return;
const parentFeature = parentMap.pack.features[parentMap.pack.cells.f[parentCell]];

5
public/modules/submap.js
View file

@ -57,7 +57,8 @@ window.Submap = (function () {
const oldGrid = parentMap.grid;
// build cache old -> [newcelllist]
const forwardGridMap = parentMap.grid.points.map(_ => []);
resampler(grid.points, parentMap.pack.cells.q, (id, oldid) => {
const parentPackQ = d3.quadtree(parentMap.pack.cells.p.map(([x, y], i) => [x, y, i]));
resampler(grid.points, parentPackQ, (id, oldid) => {
const cid = parentMap.pack.cells.g[oldid];
grid.cells.h[id] = oldGrid.cells.h[cid];
grid.cells.temp[id] = oldGrid.cells.temp[cid];
@ -154,7 +155,7 @@ window.Submap = (function () {
// find replacement: closest water cell
const [ox, oy] = cells.p[id];
const [tx, ty] = inverse(x, y);
oldid = oldCells.q.find(tx, ty, Infinity)[2];
oldid = d3.quadtree(oldCells.p.map(([px, py], i) => [px, py, i])).find(tx, ty, Infinity)[2];
if (!oldid) {
console.warn("Warning, no id found in quad", id, "parent", gridCellId);
continue;