141 lines
3.8 KiB
JavaScript
141 lines
3.8 KiB
JavaScript
import {Container} from '@pixi/react';
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import {useEffect, useState} from 'react';
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import {RESOLUTION} from '@/constants.js';
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import {usePacket} from '@/context/client.js';
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import {useEcs, useEcsTick} from '@/context/ecs.js';
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import {useMainEntity} from '@/context/main-entity.js';
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import Entities from './entities.jsx';
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import TargetingGhost from './targeting-ghost.jsx';
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import TargetingGrid from './targeting-grid.jsx';
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import TileLayer from './tile-layer.jsx';
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import Water from './water.jsx';
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const NIGHTNESS = 0.1;
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function calculateDarkness(hour) {
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let darkness = 0;
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if (hour >= 21 || hour < 4) {
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darkness = 0.8;
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}
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if (hour >= 4 && hour < 7) {
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darkness = 0.8 * ((7 - hour) / 3);
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}
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if (hour >= 18 && hour < 21) {
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darkness = 0.8 * ((3 - (21 - hour)) / 3);
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}
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return Math.floor(darkness * 1000) / 1000;
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}
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export default function Ecs({scale}) {
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const [ecs] = useEcs();
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const [entities, setEntities] = useState({});
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const [mainEntity] = useMainEntity();
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const [hour, setHour] = useState(10);
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const [night, setNight] = useState();
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useEffect(() => {
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async function buildNightFilter() {
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const {ColorMatrixFilter} = await import('@pixi/filter-color-matrix');
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class NightFilter extends ColorMatrixFilter {
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setIntensity(intensity) {
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const double = NIGHTNESS * 2;
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const half = NIGHTNESS / 2;
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const redDown = 1 - (intensity * (1 + double));
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const blueUp = 1 - (intensity * (1 - half));
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const scale = intensity * NIGHTNESS;
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this.uniforms.m = [
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redDown, -scale, 0, 0, 0,
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-scale, (1 - intensity), scale, 0, 0,
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0, scale, blueUp, 0, 0,
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0, 0, 0, 1, 0,
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];
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}
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}
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setNight(new NightFilter());
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}
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buildNightFilter();
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}, []);
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useEffect(() => {
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if (night) {
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night.setIntensity(calculateDarkness(hour));
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}
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}, [hour, night]);
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usePacket('EcsChange', async () => {
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setEntities({});
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}, [setEntities]);
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useEcsTick((payload) => {
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if (!ecs) {
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return;
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}
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const updatedEntities = {...entities};
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for (const id in payload) {
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const update = payload[id];
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if (false === update) {
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delete updatedEntities[id];
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}
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else {
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if ('1' === id) {
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if (update.Time) {
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setHour(Math.round(ecs.get(1).Time.hour * 60) / 60);
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}
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}
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updatedEntities[id] = ecs.get(id);
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if (update.Emitter?.emit) {
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updatedEntities[id].Emitter.emitting = {
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...updatedEntities[id].Emitter.emitting,
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...update.Emitter.emit,
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};
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}
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}
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}
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setEntities(updatedEntities);
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}, [ecs, entities, mainEntity]);
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if (!ecs || !mainEntity) {
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return false;
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}
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const entity = ecs.get(mainEntity);
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if (!entity) {
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return false;
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}
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const {Direction, Position, Wielder} = entity;
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const projected = Wielder.activeItem()?.project(Position.tile, Direction.direction)
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const {Camera} = entity;
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const {TileLayers: {layers: [layer]}, Water: WaterEcs} = ecs.get(1);
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const filters = [];
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if (night) {
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filters.push(night);
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}
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const [cx, cy] = [
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Math.round((Camera.x * scale) - RESOLUTION.x / 2),
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Math.round((Camera.y * scale) - RESOLUTION.y / 2),
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];
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return (
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<Container
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filters={filters}
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scale={scale}
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x={-cx}
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y={-cy}
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>
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<TileLayer tileLayer={layer} />
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{WaterEcs && (
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<Water tileLayer={layer} water={WaterEcs.water} />
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)}
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{projected && (
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<TargetingGrid
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tileLayer={layer}
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x={Position.x}
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y={Position.y}
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/>
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)}
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<Entities entities={entities} />
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{projected?.length > 0 && (
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<TargetingGhost
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projected={projected}
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tileLayer={layer}
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/>
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)}
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</Container>
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)
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}
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