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spacetraders/lib/agent.js

118 lines
4.6 KiB
JavaScript

import { registerAgent } from '../database/config.js';
import * as api from './api.js';
import * as contracts from './contracts.js';
import * as ships from './ships.js';
import * as systems from './systems.js';
export async function auto(ctx) {
let ship = await ships.ship({ship: ctx.ship});
// Fetch our contracts in the system the ship currently is in
let cs = await contracts.contracts();
cs = cs.data.filter(c => c.terms.deliver[0].destinationSymbol.startsWith(ship.data.nav.systemSymbol));
if (cs === []) throw `No contract at ${ctx.ship}'s location`;
let contract = cs[0];
if (!contract.accepted) {
console.log(new Date(), `accepting contract ${contract.id}`);
await contracts.accept({id: contract.id});
}
const good = contract.terms.deliver[0].tradeSymbol;
const deliveryPoint = contract.terms.deliver[0].destinationSymbol;
const asteroidFields = await systems.type({symbol: ship.data.nav.systemSymbol, type: 'ASTEROID_FIELD'});
const asteroidField = asteroidFields[0].symbol;
while (true) {
ship = await ships.ship({ship: ctx.ship}); // TODO we should not need to fetch this
// If we are in transit, we wait until we arrive
const delay = new Date(ship.data.nav.route.arrival) - new Date();
if (delay > 0) await api.sleep(delay);
// Then it depends on where we are
let goodCargo = ship.data.cargo.inventory.filter(i => i.symbol === good)[0];
// the switch makes this 'resumable'
switch (ship.data.nav.waypointSymbol) {
case asteroidField:
let response = await mineUntilFullOf({good: good, ship: ctx.ship});
//console.log(`${ctx.ship}'s cargo is full with ${response.units} of ${good}!`);
await ships.navigate({ship: ctx.ship, waypoint: deliveryPoint});
break;
case deliveryPoint:
await ships.dock({ship: ctx.ship});
await ships.refuel({ship: ctx.ship});
console.log(`delivering ${goodCargo.units} of ${good}`);
await contracts.deliver({contract: contract.id, ship: ctx.ship, good: good, units: goodCargo.units });
await ships.navigate({ship: ctx.ship, waypoint: asteroidField});
await ships.dock({ship: ctx.ship});
await ships.refuel({ship: ctx.ship});
await ships.orbit({ship: ctx.ship});
break;
default:
throw `where is the ship?`;
}
}
}
// example ctx { good: 'SILVER_ORE', ship: 'ADYXAX-2' }
// returns the number of units of the good the ship extracted
async function mineUntilFullOf(ctx) {
while(true) {
let response = await mineUntilFull({ship: ctx.ship});
if (response === null) response = await ships.ship({ship: ctx.ship}); // TODO we should not need to fetch this
let good = response.data.cargo.inventory.filter(i => i.symbol === ctx.good)[0];
const inventory = response.data.cargo.inventory.filter(i => i.symbol !== ctx.good);
const antimatter = response.data.cargo.inventory.filter(i => i.symbol === 'ANTIMATTER')[0];
if (good?.units + antimatter?.units >= response.data.cargo.capacity * 0.9) { // > 90% full of the valuable goods
return good.units;
} else { // we are full but need to sell junk
await ships.dock({ship: ctx.ship});
for (let i=0; i<inventory.length; ++i) {
if (inventory[i].symbol === 'ANTIMATTER') continue;
//console.log(`selling ${inventory[i].units} of ${inventory[i].symbol}`);
await ships.sell({ship: ctx.ship, good: inventory[i].symbol, units: inventory[i].units});
}
await ships.orbit({ship: ctx.ship});
}
}
}
// example ctx { ship: 'ADYXAX-2' }
// returns the last ship's extract api response
async function mineUntilFull(ctx) {
while(true) {
const response = await ships.extract(ctx);
if (response === null) return null;
//console.log(`${ctx.ship}: extracted ${response.data.extraction.yield.units} of ${response.data.extraction.yield.symbol}`);
await api.sleep(response.data.cooldown.remainingSeconds*1000);
if (response.data.cargo.units >= response.data.cargo.capacity * 0.9) return response;
}
}
// This function inits the database in case we have an already registered game
export function init(symbol, faction, token) {
registerAgent(symbol, faction, token);
// TODO ships
// TODO contract
// TODO agent
}
// This function registers then inits the database
export function register(symbol, faction) {
fetch(
'https://api.spacetraders.io/v2/register',
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
symbol: symbol,
faction: faction,
}),
})
.then(response => response.json())
.then(response => {
console.log(JSON.stringify(response, null, 2));
init(symbol, faction, response.data.token);
// TODO ship
// TODO contract
// TODO agent
})
.catch(err => console.error(err));
}