Emil
c7e86663d8
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Add shared Rust/WASM physics, worker meshing and diagnostics, 64-chunk full-height streaming, atlas texture support, and baseline world import. Document the current implementation and include the supplied in-game lobby screenshot.
70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
import test from "node:test";
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import assert from "node:assert/strict";
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import { changedLightSections } from "../light-changes.js";
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function field(min = [-2, -2, -2], size = [54, 36, 36]) {
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const count = size.reduce((product, value) => product * value, 1);
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return {
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min,
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size,
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data: new Uint8Array(count * 4),
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skyLevels: new Uint8Array(count).fill(15),
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};
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}
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const index = (field, [x, y, z]) =>
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x -
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field.min[0] +
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field.size[0] * (y - field.min[1] + field.size[1] * (z - field.min[2]));
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test("initial lighting marks current sections, while equal fields retain every mesh", () => {
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const sections = new Map([
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["0,0,0", { vao: "first" }],
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["1,0,0", { vao: "retained" }],
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]);
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assert.deepEqual(changedLightSections(null, field(), sections.keys()), [
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...sections.keys(),
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]);
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const before = [...sections.values()];
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assert.deepEqual(changedLightSections(field(), field(), sections.keys()), []);
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assert.deepEqual([...sections.values()], before);
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});
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test("a corner light delta invalidates all eight sharing neighborhoods but no distant section", () => {
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const previous = field(),
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next = field();
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next.skyLevels[index(next, [15, 15, 15])] = 14;
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const neighbors = [];
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for (let x = 0; x <= 1; x++)
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for (let y = 0; y <= 1; y++)
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for (let z = 0; z <= 1; z++) neighbors.push(`${x},${y},${z}`);
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assert.deepEqual(
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changedLightSections(previous, next, [...neighbors, "2,0,0"]),
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neighbors,
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);
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});
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test("a tint-only change crosses the section boundary and preserves distant retained sections", () => {
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const previous = field(),
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next = field();
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next.data[index(next, [16, 4, 4]) * 4 + 2] = 180;
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const sections = ["0,0,0", "1,0,0", "2,0,0"];
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assert.deepEqual(changedLightSections(previous, next, sections), [
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"0,0,0",
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"1,0,0",
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]);
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});
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test("moving field bounds compares world coordinates and only invalidates lost coverage", () => {
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const previous = field();
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const shifted = field([-1, -2, -2], [55, 36, 36]);
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assert.deepEqual(
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changedLightSections(previous, shifted, ["0,0,0", "1,0,0"]),
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[],
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);
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const clipped = field([0, -2, -2], [54, 36, 36]);
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assert.deepEqual(
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changedLightSections(previous, clipped, ["0,0,0", "1,0,0"]),
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["0,0,0"],
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);
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});
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