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heightmap selection - refactor, make generation immutable to get predictable result

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Azgaar 2022-05-29 22:11:32 +03:00 • committed by Peter
parent 8ea89111fc
commit b6a1012753
4 changed files with 18 additions and 4 deletions
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4
modules/dynamic/heightmap-selection.js
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@ -323,14 +323,14 @@ async function drawPrecreatedHeightmap(id) {
}
function drawTemplatePreview(id) {
const heights = generateHeightmap(id);
const heights = HeightmapGenerator.fromTemplate(graph, id);
const dataUrl = drawHeights(heights);
const article = byId("heightmapSelection").querySelector(`[data-id="${id}"]`);
article.querySelector("img").src = dataUrl;
}
async function drawPrecreatedHeightmap(id) {
const heights = await HeightmapGenerator.fromPrecreated(id);
const heights = await HeightmapGenerator.fromPrecreated(graph, id);
const dataUrl = drawHeights(heights);
const article = byId("heightmapSelection").querySelector(`[data-id="${id}"]`);
article.querySelector("img").src = dataUrl;

1
modules/heightmap-generator.js
View file

@ -510,7 +510,6 @@ window.HeightmapGenerator = (function () {
const powered = lightness < 0.2 ? lightness : 0.2 + (lightness - 0.2) ** 0.8;
heights[i] = minmax(Math.floor(powered * 100), 0, 100);
}
return heights;
}
return {

1
modules/submap.js
View file

@ -41,7 +41,6 @@ window.Submap = (function () {
// create new grid
applyMapSize();
grid = generateGrid();
drawScaleBar(scale);
const resampler = (points, qtree, f) => {

16
utils/arrayUtils.js
View file

@ -96,3 +96,19 @@ function deepCopy(obj) {
return dcAny(obj);
}
function getTypedArray(maxValue) {
console.assert(
Number.isInteger(maxValue) && maxValue >= 0 && maxValue <= 4294967295,
`Array maxValue must be an integer between 0 and 4294967295, got ${maxValue}`
);
if (maxValue <= 255) return Uint8Array;
if (maxValue <= 65535) return Uint16Array;
if (maxValue <= 4294967295) return Uint32Array;
return Uint32Array;
}
function createTypedArray({maxValue, length}) {
return new (getTypedArray(maxValue))(length);
}