93 lines
3.3 KiB
JavaScript
93 lines
3.3 KiB
JavaScript
"use strict";
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(function (global) {
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const DomainIds = global.TarinaiDomainIds;
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if (!DomainIds) throw new Error("TarinaiDomainIds must be loaded before weather_system.js");
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const WEATHER_IDS = DomainIds.WEATHER_IDS;
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function canonicalWeather(value = "sunny") {
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return DomainIds.canonicalWeatherId(value);
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}
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function chooseNext(current = "sunny") {
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const id = canonicalWeather(current);
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const choices = id === "light_rain"
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? WEATHER_IDS.filter(weather => weather !== "light_rain")
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: WEATHER_IDS;
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return pick(choices);
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}
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function resetTimer() {
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return rand(CONFIG.weatherChangeMin, CONFIG.weatherChangeMax);
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}
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function fixedWeatherFor(worldRef) {
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const fixed = global.TarinaiGround.fixedWeather(worldRef?.groundType || "soil") || "";
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return fixed || null;
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}
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function enforceFixedWeather(worldRef, options = {}) {
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const fixed = fixedWeatherFor(worldRef);
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if (!fixed || !worldRef) return false;
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const previous = canonicalWeather(worldRef.weather || "sunny");
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worldRef.weather = canonicalWeather(fixed);
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worldRef.nextWeatherChange = resetTimer();
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if (previous !== worldRef.weather && options.silentLog !== true) {
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worldRef.log?.(`\u5929\u6C17: ${weatherLabel(worldRef.weather)}`);
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}
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return true;
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}
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function shouldDropRainWater(worldRef, dt = 0) {
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return Boolean(
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worldRef?.weather === "light_rain" &&
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Math.random() < Math.max(0, Number(dt) || 0) * 0.24
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);
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}
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function createRainWaterItem(worldRef, opts = {}) {
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const px = Number(opts?.x);
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const py = Number(opts?.y);
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const hasX = Number.isFinite(px);
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const hasY = Number.isFinite(py);
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const x = hasX ? px : rand(58, worldRef.w - 58);
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const y = hasY ? py : rand(58, worldRef.h - 58);
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const drop = new Item("water", x, y);
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drop.rainDrop = opts?.rainDrop === true || (!hasX && !hasY);
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const amount = Number(opts?.amount);
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drop.amount = Number.isFinite(amount) ? amount : rand(24, 58);
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// Rain drops, placed water drops, and water-balloon splashes all use the
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// same Item("water") object. Optional velocity only gives that same water
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// item a short ballistic motion; it is not a separate splash item type.
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const vx = Number(opts?.vx);
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const vy = Number(opts?.vy);
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if (Number.isFinite(vx) || Number.isFinite(vy)) {
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drop.prevX = drop.x;
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drop.prevY = drop.y;
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drop.vx = Number.isFinite(vx) ? vx : 0;
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drop.vy = Number.isFinite(vy) ? vy : 0;
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}
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const flight = Number(opts?.splashFlightTimer ?? opts?.flightTimer);
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if (Number.isFinite(flight) && flight > 0) drop.splashFlightTimer = flight;
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return drop;
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}
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function applyNextWeather(worldRef) {
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if (!worldRef) return null;
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if (enforceFixedWeather(worldRef)) return worldRef.weather || "sunny";
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const previous = canonicalWeather(worldRef.weather || "sunny");
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const next = chooseNext(previous);
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worldRef.weather = canonicalWeather(next);
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worldRef.nextWeatherChange = resetTimer();
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if (next !== previous) {
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worldRef.log?.(`\u5929\u6C17: ${weatherLabel(next)}`);
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}
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return next;
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}
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global.TarinaiWeatherSystem = Object.freeze({
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enforceFixedWeather,
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shouldDropRainWater,
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createRainWaterItem,
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applyNextWeather,
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});
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})(typeof window !== "undefined" ? window : globalThis);
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