Emil
c7e86663d8
MVP checks / mvp (push) Waiting to run
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.
71 lines
4.0 KiB
JavaScript
71 lines
4.0 KiB
JavaScript
// Declarative data only: the same resolved map is structured-cloned to mesh workers.
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export const BLOCK_FACES = "@block_faces";
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/** An edit job only needs face definitions for the materials in its neighborhood. */
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export function textureSubset(layers, materials) {
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const mapping = layers.get(BLOCK_FACES);
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if (!mapping) return layers;
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const result = new Map(layers), sets = [], states = {}, defaults = {}, indices = new Map();
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const include = old => {
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if (!Number.isInteger(old)) return undefined;
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if (!indices.has(old)) { indices.set(old, sets.length); sets.push(mapping.sets[old]); }
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return indices.get(old);
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};
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for (const {state} of materials.values()) {
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if (typeof state !== "string") continue;
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const base = state.split("[")[0];
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if (Object.hasOwn(mapping.states, state)) states[state] = include(mapping.states[state]);
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if (Object.hasOwn(mapping.defaults, base)) defaults[base] = include(mapping.defaults[base]);
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}
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result.set(BLOCK_FACES, {sets, states, defaults});
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return result;
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}
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export function prepareTexturePack(descriptor, files, limits) {
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const size = descriptor?.pixel_size, entries = descriptor?.textures, atlas = descriptor?.atlas;
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if (!Number.isInteger(size) || size < 1 || size > 128 || !Array.isArray(entries) || !entries.length ||
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entries.length > (atlas ? 16384 : Math.min(256, limits.layers)))
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throw Error("Некорректный размер текстурпака.");
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let width = size, height = size;
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if (atlas) {
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if (![atlas.columns, atlas.rows].every(v => Number.isInteger(v) && v > 0) ||
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atlas.columns * atlas.rows < entries.length || !files.has(atlas.path))
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throw Error("Некорректный атлас текстурпака.");
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width *= atlas.columns; height *= atlas.rows;
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if (width > limits.size || height > limits.size) throw Error("Атлас превышает лимит видеокарты.");
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}
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const layers = new Map();
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for (const entry of entries) {
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if (!entry || typeof entry.name !== "string" || !/^[a-z0-9_]+$/.test(entry.name) || layers.has(entry.name) || !atlas && !files.has(entry.path))
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throw Error("Некорректный ресурс текстурпака.");
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layers.set(entry.name, layers.size);
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}
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const mapping = descriptor.block_faces;
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if (mapping) {
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if (!Array.isArray(mapping.sets) || mapping.sets.length > 65536 || !mapping.states || !mapping.defaults ||
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Object.keys(mapping.states).length > 100000) throw Error("Некорректная таблица граней.");
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const sets = mapping.sets.map(faces => {
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if (!Array.isArray(faces) || faces.length !== 6) throw Error("Ожидалось шесть граней.");
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return faces.map(face => {
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if (face === null) return null;
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const tint = face.tint ?? [1, 1, 1], uv = face.uv;
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if (!layers.has(face.texture) || !Array.isArray(tint) || tint.length !== 3 ||
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!tint.every(v => Number.isFinite(v) && v >= 0 && v <= 1) ||
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uv !== undefined && (!Array.isArray(uv) || uv.length !== 8 || !uv.every(v => Number.isFinite(v) && Math.abs(v) <= 256)))
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throw Error("Некорректная текстура грани.");
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return {layer: layers.get(face.texture), tint, cutout: face.cutout === true, ...(uv ? {uv} : {})};
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});
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});
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for (const table of [mapping.states, mapping.defaults])
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for (const [state, index] of Object.entries(table))
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if (state.length > 1024 || !Number.isInteger(index) || index < 0 || index >= sets.length)
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throw Error("Некорректное состояние в таблице граней.");
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layers.set(BLOCK_FACES, {sets, states: mapping.states, defaults: mapping.defaults});
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}
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const overlay = descriptor.grass_overlay;
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if (overlay && (!atlas || !layers.has(overlay.base) || !layers.has(overlay.overlay)))
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throw Error("Некорректный слой травы.");
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return {layers, width, height, atlas, size, entries,
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grassOverlay: overlay ? [layers.get(overlay.base), layers.get(overlay.overlay)] : [-1, -1]};
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}
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