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import {Container} from '@pixi/react';
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import {useState} from 'react';
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import {RESOLUTION} from '@/constants.js';
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import Ecs from '@/ecs/ecs.js';
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import Components from '@/ecs-components/index.js';
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import Systems from '@/ecs-systems/index.js';
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import usePacket from '@/hooks/use-packet.js';
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import Entities from './entities.jsx';
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import TileLayer from './tile-layer.jsx';
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export default function EcsComponent() {
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const [ecs] = useState(new Ecs({Components, Systems}));
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const [entities, setEntities] = useState({});
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const [mainEntity, setMainEntity] = useState();
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usePacket('Tick', (payload) => {
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if (0 === Object.keys(payload.ecs).length) {
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return;
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}
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ecs.apply(payload.ecs);
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const updatedEntities = {...entities};
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for (const id in payload.ecs) {
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if (false === payload.ecs[id]) {
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delete updatedEntities[id];
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}
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else {
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updatedEntities[id] = ecs.get(id);
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if (updatedEntities[id].MainEntity) {
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setMainEntity(ecs.get(id));
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}
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}
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}
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setEntities(updatedEntities);
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}, [entities, mainEntity]);
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if (!mainEntity) {
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return false;
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}
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const {Camera} = mainEntity;
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const {TileLayers} = ecs.get(1);
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const [cx, cy] = [
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Math.round(Camera.x - RESOLUTION.x / 2),
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Math.round(Camera.y - RESOLUTION.y / 2),
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];
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return (
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<Container>
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<TileLayer
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tileLayer={TileLayers.layers[0]}
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x={-cx}
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y={-cy}
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/>
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<Entities
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entities={entities}
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x={-cx}
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y={-cy}
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/>
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</Container>
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)
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}
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