feat: tile layer chunking
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cha0s
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41baef2571
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3d4d29625d
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@ -1,3 +1,5 @@
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export const CHUNK_SIZE = 32;
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export const CLIENT_LATENCY = 0;
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export const CLIENT_PREDICTION = true;
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@ -1,24 +1,35 @@
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import {CHUNK_SIZE} from '@/constants.js';
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import Component from '@/ecs/component.js';
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import {floodwalk2D, ortho, removeCollinear} from '@/util/math.js';
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import vector2d from './helpers/vector-2d';
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class LayerProxy {
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$$sourceJson;
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$$chunks = [];
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$$sourceJson = {};
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constructor(instance, Component, index) {
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this.instance = instance;
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this.Component = Component;
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this.index = index;
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this.$$chunks = Array(
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Math.ceil(this.area.x / CHUNK_SIZE) * Math.ceil(this.area.y / CHUNK_SIZE)
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).fill(0).map(() => ({}));
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}
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get area() {
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return this.layer.area;
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}
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clone() {
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const {$$sourceJson} = this.instance.$$layersProxies[this.index];
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const {$$chunks, $$sourceJson} = this.instance.$$layersProxies[this.index];
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const proxy = new LayerProxy(this.instance, this.Component, this.index);
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proxy.$$chunks = [...$$chunks];
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proxy.$$sourceJson = $$sourceJson;
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return proxy;
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}
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compute(index) {
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const cx = Math.floor((index % this.area.x) / CHUNK_SIZE);
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const cy = Math.floor(Math.floor(index / this.area.x) / CHUNK_SIZE);
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const ax = Math.ceil(this.area.x / CHUNK_SIZE);
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return cy * ax + cx;
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}
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get data() {
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return this.layer.data;
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@ -126,22 +137,66 @@ class LayerProxy {
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}
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export default class TileLayers extends Component {
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async insertMany(entities) {
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for (const [id, {layerChange}] of entities) {
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async createMany(entities) {
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for (const [, {layerChange, layers}] of entities) {
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if (layers) {
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for (const layer of layers) {
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const area = layer.area.x * layer.area.y;
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if (layer.data.length < area) {
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for (let i = 0; i < area; ++i) {
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if (!layer.data[i]) {
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layer.data[i] = 0;
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}
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}
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}
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}
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}
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if (layerChange) {
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const component = this.get(id);
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const {layers} = component;
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for (const layerIndex in layerChange) {
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for (const calculated in layerChange[layerIndex]) {
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const tile = layerChange[layerIndex][calculated];
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layers[layerIndex].data[calculated] = tile;
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}
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layers[layerIndex] = {...layers[layerIndex]};
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component.$$layersProxies[layerIndex] = component.$$layersProxies[layerIndex].clone();
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}
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}
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}
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return super.insertMany(entities);
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return super.createMany(entities);
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}
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async insertMany(entities) {
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for (const [, {layers}] of entities) {
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if (layers) {
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for (const layer of layers) {
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const area = layer.area.x * layer.area.y;
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if (layer.data.length < area) {
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for (let i = 0; i < area; ++i) {
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if (!layer.data[i]) {
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layer.data[i] = 0;
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}
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}
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}
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}
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}
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}
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await super.insertMany(entities);
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for (const [id, {layerChange}] of entities) {
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if (layerChange) {
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const component = this.get(id);
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const {layers} = component;
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for (const layerIndex in layerChange) {
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const proxy = component.$$layersProxies[layerIndex].clone();
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const chunksChanged = new Set();
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for (const tileIndex in layerChange[layerIndex]) {
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chunksChanged.add(proxy.compute(tileIndex));
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const tile = layerChange[layerIndex][tileIndex];
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layers[layerIndex].data[tileIndex] = tile;
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}
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for (const chunkChanged of chunksChanged) {
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proxy.$$chunks[chunkChanged] = {};
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}
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component.$$layersProxies[layerIndex] = proxy;
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}
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}
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}
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}
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instanceFromSchema() {
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return class TileLayersInstance extends super.instanceFromSchema() {
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106
app/engine.js
106
app/engine.js
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@ -1,4 +1,5 @@
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import {
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CHUNK_SIZE,
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RESOLUTION,
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TPS,
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} from '@/constants.js';
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@ -92,7 +93,10 @@ export default class Engine {
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// remove entity link to connection to start queueing actions and pause updates
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delete connectedPlayer.entity;
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// forget previous state
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connectedPlayer.memory.clear();
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connectedPlayer.memory = {
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chunks: new Map(),
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nearby: new Set(),
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};
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// inform client of the upcoming change
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server.send(
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connection,
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@ -214,7 +218,10 @@ export default class Engine {
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{
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entity: ecs.get(entity),
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id,
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memory: new Set(),
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memory: {
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chunks: new Map(),
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nearby: new Set(),
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},
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},
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);
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}
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@ -359,12 +366,14 @@ export default class Engine {
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y1: y0 + (RESOLUTION.y * 2),
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});
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// Master entity.
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nearby.add(ecs.get(1));
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const lastMemory = new Set(memory.values());
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const master = ecs.get(1);
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nearby.add(master);
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const lastNearby = new Set(memory.nearby.values());
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const firstUpdate = 0 === lastNearby.size;
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for (const entity of nearby) {
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const {id} = entity;
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lastMemory.delete(id);
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if (!memory.has(id)) {
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lastNearby.delete(id);
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if (!memory.nearby.has(id)) {
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update[id] = entity.toJSON();
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if (mainEntityId === id) {
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update[id].MainEntity = {};
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@ -373,12 +382,91 @@ export default class Engine {
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else if (ecs.diff[id]) {
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update[id] = ecs.diff[id];
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}
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memory.add(id);
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memory.nearby.add(id);
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}
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for (const id of lastMemory) {
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memory.delete(id);
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for (const id of lastNearby) {
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memory.nearby.delete(id);
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update[id] = false;
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}
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// Tile layer chunking
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const {TileLayers} = master;
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const {layers} = TileLayers;
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let layerChange;
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for (const i in layers) {
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const layer = TileLayers.layer(i);
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const cx = CHUNK_SIZE * layer.tileSize.x;
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const cy = CHUNK_SIZE * layer.tileSize.y;
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const rx = 1 + Math.ceil((RESOLUTION.x * 2) / cx);
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const ry = 1 + Math.ceil((RESOLUTION.y * 2) / cy);
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const lx = Math.floor((entity.Position.x - RESOLUTION.x) / cx);
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const ly = Math.floor((entity.Position.y - RESOLUTION.y) / cy);
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const ax = Math.ceil(layer.area.x / CHUNK_SIZE);
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for (let wy = 0; wy < ry; ++wy) {
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for (let wx = 0; wx < rx; ++wx) {
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const iy = wy + ly;
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const ix = wx + lx;
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if (
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ix >= 0
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&& iy >= 0
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&& ix < Math.ceil(layer.area.x / CHUNK_SIZE)
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&& iy < Math.ceil(layer.area.y / CHUNK_SIZE)
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) {
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const chunk = iy * ax + ix;
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if (!memory.chunks.has(i)) {
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memory.chunks.set(i, new Set());
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}
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if (!memory.chunks.get(i).has(chunk)) {
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memory.chunks.get(i).add(chunk);
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if (!layerChange) {
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layerChange = {};
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}
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if (!layerChange[i]) {
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layerChange[i] = {};
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}
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for (let y = 0; y < CHUNK_SIZE; ++y) {
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for (let x = 0; x < CHUNK_SIZE; ++x) {
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const ty = (iy * CHUNK_SIZE) + y;
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const tx = (ix * CHUNK_SIZE) + x;
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if (
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tx < 0
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|| ty < 0
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|| tx >= layers[i].area.x
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|| ty >= layers[i].area.y
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) {
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continue;
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}
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const computed = ((iy * CHUNK_SIZE) + y) * layers[i].area.x + ((ix * CHUNK_SIZE) + x);
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layerChange[i][computed] = layers[i].data[computed];
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}
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}
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}
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}
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}
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}
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}
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if (firstUpdate && update['1']) {
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const {TileLayers} = update['1'];
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if (TileLayers) {
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const layersUpdate = [];
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const {layers} = TileLayers;
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for (const l in layers) {
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layersUpdate[l] = {
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...layers[l],
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data: [],
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};
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}
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update['1'].TileLayers = {layers: layersUpdate};
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}
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}
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if (layerChange) {
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if (!update['1']) {
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update['1'] = {};
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}
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if (!update['1'].TileLayers) {
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update['1'].TileLayers = {};
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}
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update['1'].TileLayers.layerChange = layerChange;
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}
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return update;
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}
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@ -3,42 +3,64 @@ import {PixiComponent} from '@pixi/react';
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import '@pixi/spritesheet'; // NECESSARY!
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import {CompositeTilemap} from '@pixi/tilemap';
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import {CHUNK_SIZE} from '@/constants.js';
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import {useAsset} from '@/context/assets.js';
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const TileLayerInternal = PixiComponent('TileLayer', {
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create: () => {
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create: ({tileLayer}) => {
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const container = new Container();
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container.addChild(new CompositeTilemap());
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const cy = Math.ceil(tileLayer.area.y / CHUNK_SIZE);
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const cx = Math.ceil(tileLayer.area.x / CHUNK_SIZE);
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for (let iy = 0; iy < cy; ++iy) {
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for (let ix = 0; ix < cx; ++ix) {
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const tilemap = new CompositeTilemap();
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tilemap.x = tileLayer.tileSize.x * CHUNK_SIZE * ix;
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tilemap.y = tileLayer.tileSize.y * CHUNK_SIZE * iy;
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container.addChild(tilemap);
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}
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}
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return container;
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},
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applyProps: (container, {mask: oldMask, tileLayer: oldTileLayer}, props) => {
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const {asset, mask, tileLayer} = props;
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applyProps: (container, {tileLayer: oldTileLayer}, props) => {
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const {asset, tileLayer} = props;
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const extless = tileLayer.source.slice('/assets/'.length, -'.json'.length);
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const {textures} = asset;
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if (tileLayer === oldTileLayer) {
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return;
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}
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if (oldMask) {
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container.removeChildAt(1);
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container.mask = undefined;
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}
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if (mask) {
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container.addChild(mask);
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container.mask = mask;
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}
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const tilemap = container.children[0];
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for (const i in tileLayer.$$chunks) {
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if (!oldTileLayer || oldTileLayer.$$chunks[i] !== tileLayer.$$chunks[i]) {
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const tilemap = container.children[i];
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tilemap.clear();
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let i = 0;
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for (let y = 0; y < tileLayer.area.y; ++y) {
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for (let x = 0; x < tileLayer.area.x; ++x) {
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tilemap.tile(textures[`${extless}/${tileLayer.data[i++]}`], tileLayer.tileSize.x * x, tileLayer.tileSize.y * y);
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const ax = Math.ceil(tileLayer.area.x / CHUNK_SIZE);
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const cy = Math.floor(i / ax);
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const cx = i % ax;
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for (let y = 0; y < CHUNK_SIZE; ++y) {
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for (let x = 0; x < CHUNK_SIZE; ++x) {
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const ty = (cy * CHUNK_SIZE) + y;
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const tx = (cx * CHUNK_SIZE) + x;
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if (
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tx < 0
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|| ty < 0
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|| tx >= tileLayer.area.x
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|| ty >= tileLayer.area.y
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) {
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continue;
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}
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tilemap.tile(
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textures[`${extless}/${tileLayer.data[ty * tileLayer.area.x + tx]}`],
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tileLayer.tileSize.x * x,
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tileLayer.tileSize.y * y,
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);
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}
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}
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}
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}
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},
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})
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});
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export default function TileLayer(props) {
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const {mask, tileLayer} = props;
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const {tileLayer} = props;
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const asset = useAsset(tileLayer.source);
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if (!asset) {
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return false;
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@ -48,7 +70,6 @@ export default function TileLayer(props) {
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<TileLayerInternal
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{...props}
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asset={asset}
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mask={mask}
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/>
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</>
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);
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