Nicolas Cantu
e031c9a1d2
**Motivations:** - Initialisation du versionning git pour le projet **Root causes:** - N/A (Nouveau projet) **Correctifs:** - N/A **Evolutions:** - Structure initiale du projet - Ajout du .gitignore **Pages affectées:** - Tous les fichiers
90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
import { GameConfig } from "./config.js";
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import { LootTables, getColorNames } from "./loot-tables.js";
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const truckMs = () => (GameConfig.WorldMap && GameConfig.WorldMap.TruckAnimationMs) || 2500;
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const npcIntervalMs = () => (GameConfig.WorldMap && GameConfig.WorldMap.NpcTruckIntervalMs) || 8000;
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/**
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* Remove expired truck sales (player and NPC).
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* @param {import("./types.js").GameState} state
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* @param {number} now
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*/
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export function pruneTruckSales(state, now) {
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const ms = truckMs();
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if (state.truckSale && state.truckSale.startAt && now - state.truckSale.startAt >= ms) {
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delete state.truckSale;
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}
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if (state.worldTruckSales && state.worldTruckSales.length > 0) {
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state.worldTruckSales = state.worldTruckSales.filter(
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(t) => t.startAt && now - t.startAt < ms
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);
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}
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}
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/**
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* Add one NPC truck sale between two random zoos (can include player as destination).
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* @param {import("./types.js").GameState} state
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* @param {number} now
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*/
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export function addNpcTruckSale(state, now) {
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const zoos = state.worldZoos ?? [];
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if (zoos.length < 2) return;
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const fromIdx = Math.floor(Math.random() * zoos.length);
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let toIdx = Math.floor(Math.random() * zoos.length);
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if (toIdx === fromIdx) toIdx = (toIdx + 1) % zoos.length;
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const fromZooId = zoos[fromIdx].id;
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const toZooId = zoos[toIdx].id;
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if (!state.worldTruckSales) state.worldTruckSales = [];
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state.worldTruckSales.push({ fromZooId, toZooId, startAt: now });
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}
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/**
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* @param {import("./types.js").GameState} state
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* @param {number} nowUnix
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*/
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export function tickWorldMap(state, nowUnix) {
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const nowMs = nowUnix * 1000;
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pruneTruckSales(state, nowMs);
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}
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/**
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* Should we add an NPC truck this tick? Call from game loop with a lastNpcTruckAt tracker.
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* @param {number} nowMs
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* @param {number} lastNpcTruckAt
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* @returns {boolean}
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*/
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export function shouldAddNpcTruck(nowMs, lastNpcTruckAt) {
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return nowMs - lastNpcTruckAt >= npcIntervalMs();
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}
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/**
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* Laboratory offer duration in seconds.
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*/
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const LAB_OFFER_DURATION = 45;
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/**
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* Chance per refresh (0-1) that the lab has a special offer.
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*/
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const LAB_OFFER_CHANCE = 0.25;
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/**
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* Refresh or expire laboratory offer. Special egg = one of Basic, Ocean, Mountain with a price modifier.
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* @param {import("./types.js").GameState} state
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* @param {number} nowUnix
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* @param {() => number} rng
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*/
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export function tickLaboratory(state, nowUnix, rng = Math.random) {
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const lab = state.laboratoryOffer;
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if (lab && nowUnix >= lab.endAt) {
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state.laboratoryOffer = null;
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}
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if (!lab && rng() < LAB_OFFER_CHANCE) {
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const types = getColorNames();
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const eggType = types[Math.floor(rng() * types.length)];
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const eggDef = LootTables.EggTypes[eggType];
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const base = eggDef ? eggDef.price : 50;
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const price = Math.floor(base * (0.8 + rng() * 0.4));
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state.laboratoryOffer = { eggType, price, endAt: nowUnix + LAB_OFFER_DURATION };
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}
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}
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