refactored effects dir and changed effects exported name

This commit is contained in:
nurjinn jafar 2020-11-27 14:54:21 +01:00
parent ede67684e4
commit 6ce5d3b044
9 changed files with 110 additions and 48 deletions

View file

@ -1,76 +0,0 @@
import React, { FunctionComponent, useEffect, useRef } from 'react';
import dis from '../../../../dispatcher/dispatcher';
import ICanvasEffect, { ICanvasEffectConstructable } from './ICanvasEffect.js';
import effects from './index'
export type EffectsOverlayProps = {
roomWidth: number;
}
const EffectsOverlay: FunctionComponent<EffectsOverlayProps> = ({ roomWidth }) => {
const canvasRef = useRef<HTMLCanvasElement>(null);
const effectsRef = useRef<Map<string, ICanvasEffect>>(new Map<string, ICanvasEffect>());
const lazyLoadEffectModule = async (name: string): Promise<ICanvasEffect> => {
if (!name) return null;
let effect: ICanvasEffect | null = effectsRef.current[name] || null;
if (effect === null) {
const options = effects.find((e) => e.command === name)?.options
try {
const { default: Effect }: { default: ICanvasEffectConstructable } = await import(`./${name}`);
effect = new Effect(options);
effectsRef.current[name] = effect;
} catch (err) {
console.warn('Unable to load effect module at \'./${name}\'.', err)
}
}
return effect;
};
useEffect(() => {
const resize = () => {
canvasRef.current.height = window.innerHeight;
};
const onAction = (payload: { action: string }) => {
const actionPrefix = 'effects.';
if (payload.action.indexOf(actionPrefix) === 0) {
const effect = payload.action.substr(actionPrefix.length);
lazyLoadEffectModule(effect).then((module) => module?.start(canvasRef.current));
}
}
const dispatcherRef = dis.register(onAction);
const canvas = canvasRef.current;
canvas.height = window.innerHeight;
window.addEventListener('resize', resize, true);
return () => {
dis.unregister(dispatcherRef);
window.removeEventListener('resize', resize);
// eslint-disable-next-line react-hooks/exhaustive-deps
const currentEffects = effectsRef.current; // this is not a react node ref, warning can be safely ignored
for (const effect in currentEffects) {
const effectModule: ICanvasEffect = currentEffects[effect];
if (effectModule && effectModule.isRunning) {
effectModule.stop();
}
}
};
}, []);
return (
<canvas
ref={canvasRef}
width={roomWidth}
style={{
display: 'block',
zIndex: 999999,
pointerEvents: 'none',
position: 'fixed',
top: 0,
right: 0,
}}
/>
)
}
export default EffectsOverlay;