All files / games/engine/src/systems position.ts

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import { PositionInterface } from "jga-games-maps";
 
import { ComponentName, PositionComponent } from "../components";
 
import { Entity } from "../entities";
import { System } from "./system";
 
export class PositionSystem extends System {
    protected position: PositionInterface = { x: 0, y: 0 };
 
    public constructor(
        entities: Map<string, Entity>,
        position?: PositionInterface,
    ) {
        super(entities, [ComponentName.POSITION]);
 
        if (null != position) {
            this.position = position;
        }
    }
 
    public getPosition(): PositionInterface {
        return this.position;
    }
 
    public run(): void {
        Eif (null != this.position) {
            this.entities.forEach((entity): void => {
                const positionComponent = entity.getComponent(
                    ComponentName.POSITION,
                ) as PositionComponent;
 
                positionComponent.setPosition(this.position);
            });
        }
    }
}