42 lines
1.5 KiB
TypeScript
42 lines
1.5 KiB
TypeScript
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import { balance } from '../config/gameBalance.js';
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import { prisma } from '../db/prisma.js';
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import { getActiveEvents, priceModifierForCity } from '../modules/events/events.service.js';
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import { clampDemandSupply, computePrices } from '../modules/market/pricing.js';
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import { emitGlobal } from '../realtime/socket.js';
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/**
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* Tick del mercato (ogni minuto): domanda e offerta tornano lentamente
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* verso l'equilibrio e i prezzi vengono ricalcolati con i modificatori
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* degli eventi attivi.
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*/
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export async function updateMarketPrices(): Promise<void> {
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const m = balance.market;
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const [events, prices] = await Promise.all([
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getActiveEvents(),
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prisma.marketPrice.findMany({ include: { item: true, city: true } }),
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]);
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const updates = prices.map((price) => {
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const demand = clampDemandSupply(
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price.demand * m.decayFactor + m.equilibrium * (1 - m.decayFactor),
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);
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const supply = clampDemandSupply(
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price.supply * m.decayFactor + m.equilibrium * (1 - m.decayFactor),
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);
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const next = computePrices(
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price.item.basePrice,
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price.city.economyModifier,
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demand,
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supply,
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priceModifierForCity(events, price.cityId),
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);
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return prisma.marketPrice.update({
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where: { cityId_itemId: { cityId: price.cityId, itemId: price.itemId } },
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data: { demand, supply, buyPrice: next.buyPrice, sellPrice: next.sellPrice },
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});
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});
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await prisma.$transaction(updates);
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emitGlobal('market:updated', { updatedAt: new Date().toISOString() });
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}
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