53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
import { Pixmap } from "./haku.js";
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import { OnlineUsers } from "./online-users.js";
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export class Chunk {
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constructor(size) {
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this.pixmap = new Pixmap(size, size);
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this.canvas = new OffscreenCanvas(size, size);
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this.ctx = this.canvas.getContext("2d");
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this.renderDirty = false;
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}
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syncFromPixmap() {
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this.ctx.putImageData(this.pixmap.getImageData(), 0, 0);
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}
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syncToPixmap() {
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let imageData = this.ctx.getImageData(0, 0, this.canvas.width, this.canvas.height);
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this.pixmap.getImageData().data.set(imageData.data, 0);
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}
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markModified() {
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this.renderDirty = true;
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}
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}
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export class Wall {
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#chunks = new Map();
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constructor(wallInfo) {
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this.chunkSize = wallInfo.chunkSize;
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this.onlineUsers = new OnlineUsers(wallInfo);
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}
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static chunkKey(x, y) {
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return `(${x},${y})`;
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}
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getChunk(x, y) {
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return this.#chunks.get(Wall.chunkKey(x, y));
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}
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getOrCreateChunk(x, y) {
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let key = Wall.chunkKey(x, y);
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if (this.#chunks.has(key)) {
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return this.#chunks.get(key);
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} else {
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let chunk = new Chunk(this.chunkSize);
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this.#chunks.set(key, chunk);
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return chunk;
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}
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}
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}
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