silphius/app/server/create/ecs.js

import Components from '@/ecs/components/index.js';
import Systems from '@/ecs/systems/index.js';

export default function createEcs(Ecs) {
  const ecs = new Ecs({Components, Systems});
  const defaultSystems = [
    'Behave',
    'PassTime',
    'Attract',
    'ResetForces',
    'ApplyControlMovement',
    'IntegratePhysics',
    'ClampPositions',
    'PlantGrowth',
    'FollowCamera',
    'VisibleAabbs',
    'MaintainColliderHash',
    'Colliders',
    'ControlDirection',
    'SpriteDirection',
    'RunAnimations',
    'RunTickingPromises',
    'Water',
    'Interactions',
  ];
  defaultSystems.forEach((defaultSystem) => {
    const System = ecs.system(defaultSystem);
    if (System) {
      System.active = true;
    }
  });
  return ecs;
}