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import { Cargo, CargoManifest } from './types.ts';
export type CategorizedCargo = {
wanted: CargoManifest;
goods: CargoManifest;
};
type Point = {
x: number;
y: number;
};
// cargo is a ship.cargo object, want is an optional symbol
export function categorizeCargo(cargo: Cargo, want?: string): CategorizedCargo {
const wanted = cargo.inventory.filter(i => i.symbol === want || i.symbol === 'ANTIMATTER');
const goods = cargo.inventory.filter(i => i.symbol !== want && i.symbol !== 'ANTIMATTER');
const wobj = wanted.reduce(function(acc: CargoManifest, e) {
acc[e.symbol] = e.units;
return acc;
}, {});
const gobj = goods.reduce(function(acc: CargoManifest, e) {
acc[e.symbol] = e.units;
return acc;
}, {});
return {wanted: wobj, goods: gobj};
}
export function distance(a: Point, b: Point) {
return Math.sqrt((a.x-b.x)**2 + (a.y-b.y)**2);
}
export function sortByDistanceFrom<T extends Point>(a: Point, points: Array<T>): Array<{data: T, distance: number}>{
let result = points.map(function (m) { return {
data: m,
distance: distance(a, m),
}});
result.sort(function(a, b) {
if (a.distance < b.distance) {
return -1;
} else if (a.distance > b.distance) {
return 1;
}
return 0;
});
return result;
}
export function systemFromWaypoint(waypoint: string): string {
return waypoint.split('-').slice(0,2).join('-');
}
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