42 lines
975 B
JavaScript
42 lines
975 B
JavaScript
import { Updux } from "updux";
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import u from "updeep";
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import { createSelector } from "reselect";
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import reqs from "../reqs.js";
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const dux = new Updux({
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subduxes: { reqs },
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initial: {
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rating: 0,
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advanced: false,
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},
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actions: {
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setDrive: null,
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setDriveReqs: null,
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},
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});
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dux.setMutation("setDrive", (changes) => u(changes));
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dux.setMutation("setDriveReqs", (reqs) => u({ reqs }));
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// needs to be at the top level
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export const calculateDriveReqs = (store) =>
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createSelector(
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[
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(ship) => ship.reqs.mass,
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(ship) => ship.propulsion.drive.rating,
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(ship) => ship.propulsion.drive.advanced,
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],
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(ship_mass, rating, advanced) =>
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store.dispatch.setDriveReqs(calcDriveReqs(ship_mass, rating, advanced))
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);
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export function calcDriveReqs(shipMass, rating, advanced = false) {
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const mass = Math.ceil(rating * 0.05 * shipMass);
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const cost = mass * (advanced ? 3 : 2);
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return { mass, cost };
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}
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export default dux;
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