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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 44x 44x 44x 44x 44x 44x 44x 44x 4x 4x 44x 44x 44x 44x 44x 69x 69x 69x 69x 73x 73x 126x 92x 92x 73x 73x 73x 55x 55x 69x 69x 69x 69x 44x | 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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