109 lines
3 KiB
TypeScript
109 lines
3 KiB
TypeScript
import projInfo from "data/projInfo.json";
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import { globalBus } from "game/events";
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import settings from "game/settings";
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import Decimal from "util/bignum";
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import { loadingSave } from "util/save";
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import type { Ref } from "vue";
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import { watch } from "vue";
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import player from "./player";
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import state from "./state";
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let intervalID: NodeJS.Timer | null = null;
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// Not imported immediately due to dependency cycles
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// This gets set during startGameLoop(), and will only be used in the update function
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let hasWon: null | Ref<boolean> = null;
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function update() {
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const now = Date.now();
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let diff = (now - player.time) / 1e3;
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player.time = now;
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const trueDiff = diff;
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state.lastTenTicks.push(trueDiff);
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if (state.lastTenTicks.length > 10) {
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state.lastTenTicks = state.lastTenTicks.slice(1);
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}
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// Stop here if the game is paused on the win screen
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if (hasWon?.value && !player.keepGoing) {
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return;
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}
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// Stop here if the player had a NaN value
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if (state.hasNaN) {
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return;
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}
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diff = Math.max(diff, 0);
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if (player.devSpeed === 0) {
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return;
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}
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loadingSave.value = false;
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// Add offline time if any
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if (player.offlineTime != undefined) {
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if (Decimal.gt(player.offlineTime, projInfo.offlineLimit * 3600)) {
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player.offlineTime = projInfo.offlineLimit * 3600;
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}
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if (Decimal.gt(player.offlineTime, 0) && player.devSpeed !== 0) {
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const offlineDiff = Math.max(player.offlineTime / 10, diff);
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player.offlineTime = player.offlineTime - offlineDiff;
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diff += offlineDiff;
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} else if (player.devSpeed === 0) {
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player.offlineTime += diff;
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}
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if (!player.offlineProd || Decimal.lt(player.offlineTime, 0)) {
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player.offlineTime = null;
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}
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}
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// Cap at max tick length
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diff = Math.min(diff, projInfo.maxTickLength);
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// Apply dev speed
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if (player.devSpeed != undefined) {
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diff *= player.devSpeed;
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}
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if (!Number.isFinite(diff)) {
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diff = 1e308;
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}
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// Update
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if (Decimal.eq(diff, 0)) {
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return;
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}
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player.timePlayed += diff;
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if (!Number.isFinite(player.timePlayed)) {
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player.timePlayed = 1e308;
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}
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globalBus.emit("update", diff, trueDiff);
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if (settings.unthrottled) {
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requestAnimationFrame(update);
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if (intervalID != null) {
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clearInterval(intervalID);
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intervalID = null;
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}
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} else if (intervalID == null) {
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intervalID = setInterval(update, 50);
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}
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}
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/** Starts the game loop for the project, which updates the game in ticks. */
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export async function startGameLoop() {
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hasWon = (await import("data/projEntry")).hasWon;
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watch(hasWon, hasWon => {
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if (hasWon) {
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globalBus.emit("gameWon");
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}
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});
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if (settings.unthrottled) {
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requestAnimationFrame(update);
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} else {
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intervalID = setInterval(update, 50);
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}
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}
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