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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 | 11x 17x 17x 4x 28x 28x 28x 28x 42x 25x 28x 19x 28x | import { EntityInterface, SystemInterface } from "jga-patterns-ecs";
import { GameMap } from "jga-games-maps";
import { ComponentName } from "../components";
export abstract class System implements SystemInterface {
protected entities: Map<string, EntityInterface> = new Map<string, EntityInterface>();
public constructor(entities: Map<string, EntityInterface>, filters: ComponentName[]) {
this.entities = this.filterEntities(entities, filters);
}
public getEntities(): Map<string, EntityInterface> {
return this.entities;
}
public abstract run(map?: GameMap): void;
protected filterEntities(
entities: Map<string, EntityInterface>,
filters: ComponentName[],
): Map<string, EntityInterface> {
const filtered: Map<string, EntityInterface> = new Map<string, EntityInterface>();
entities.forEach((entity, key): void => {
let found = 0;
filters.forEach((filter): void => {
if (null != entity && entity.hasComponent(filter)) {
found++;
}
});
if (found === filters.length) {
filtered.set(key, entity);
}
});
return filtered;
}
}
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