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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 34x 34x 1x 1x 4x 4x 1x 1x 1x 1x 1x 55x 55x 55x 55x 43x 43x 70x 37x 37x 70x 43x 43x 26x 26x 43x 55x 55x 55x 1x | import { SystemInterface, WorldInterface } from "@jga/patterns";
import { ComponentName } from "../components";
import { Entity } from "../entities";
export abstract class System implements SystemInterface {
// eslint-disable-next-line compat/compat
protected entities: Map<string, Entity> = new Map<string, Entity>();
public constructor(entities: Map<string, Entity>, filters: ComponentName[]) {
this.entities = this.filterEntities(entities, filters);
}
public getEntities(): Map<string, Entity> {
return this.entities;
}
public abstract run(world?: WorldInterface): void;
// eslint-disable-next-line class-methods-use-this,compat/compat
protected filterEntities(entities: Map<string, Entity>, filters: ComponentName[]): Map<string, Entity> {
// eslint-disable-next-line compat/compat
const filtered: Map<string, Entity> = new Map<string, Entity>();
entities.forEach((entity, key): void => {
let found = 0;
filters.forEach((filter): void => {
if (entity != null && entity.hasComponent(filter)) {
found += 1;
}
});
if (found === filters.length) {
filtered.set(key, entity);
}
});
return filtered;
}
}
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