123 lines
No EOL
4 KiB
JavaScript
123 lines
No EOL
4 KiB
JavaScript
const MAP_DB_VERSION = 1;
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// @See https://github.com/mdn/learning-area/blob/master/javascript/apis/client-side-storage/indexeddb/video-store/index.js
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let mdb;
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let mreload = false;
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var terrs = new Map(); //terr name : location: rectangle def {startX, startY, endX, endY
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var claims = new Map(); //terr name: guild name
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var neighbors = new Map(); //terr name: [neighbor names]
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var resources = new Map(); //terr name: Map({emeralds: bool, doubleemeralds: bool, doubleresource: bool, resources: [], storage: []})
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var terrdata;
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/*
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* Load item set from local DB. Calls init() on success.
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*/
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async function map_load_local(init_func) {
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let get_tx = mdb.transaction(['map_db'], 'readonly');
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let map_store = get_tx.objectStore('map_db');
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let request5 = map_store.getAll();
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request5.onerror = function(event) {
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console.log("Could not read local map db...");
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}
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request5.onsuccess = function(event) {
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console.log("Successfully read local map db.");
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terrdata = request5.result;
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init_map_maps();
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init_func();
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}
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await get_tx.complete;
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mdb.close();
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}
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/*
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* Load item set from remote DB (aka a big json file). Calls init() on success.
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*/
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async function load_map(init_func) {
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let getUrl = window.location;
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let baseUrl = getUrl.protocol + "//" + getUrl.host + "/" + getUrl.pathname.split('/')[1];
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let url = baseUrl + "/terrs_compress.json";
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url = url.replace(/\w+.html/, "") ;
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let result = await (await fetch(url)).json();
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result = await (await fetch(url)).json();
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terrdata = result;
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console.log(terrdata);
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// https://developer.mozilla.org/en-US/docs/Web/API/IDBObjectStore/clear
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/*let clear_tx2 = db.transaction(['ing_db'], 'readwrite');
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let clear_ings = clear_tx2.objectStore('ing_db');
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let clear_tx3 = db.transaction(['recipe_db'], 'readwrite');
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let clear_recipes = clear_tx3.objectStore('recipe_db');
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await clear_ings.clear();
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await clear_recipes.clear();
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await clear_tx2.complete;
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await clear_tx3.complete;*/
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let add_promises = [];
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let add_tx2 = mdb.transaction(['map_db'], 'readwrite');
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let map_store = add_tx2.objectStore('map_db');
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console.log(map_store);
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for (const terr of Object.entries(terrdata)) {
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add_promises.push(map_store.add(terr[1],terr[0])); //WHY? WHY WOULD YOU STORE AS VALUE, KEY? WHY NOT KEEP THE NORMAL KEY, VALUE CONVENTION?
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}
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add_promises.push(add_tx2.complete);
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Promise.all(add_promises).then((values) => {
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mdb.close();
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init_map_maps();
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init_func();
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});
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}
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function load_map_init(init_func) {
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//uncomment below line to force reload
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//window.indexedDB.deleteDatabase("map_db", MAP_DB_VERSION)
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let request = window.indexedDB.open("map_db", MAP_DB_VERSION)
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request.onerror = function() {
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console.log("DB failed to open...");
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}
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request.onsuccess = function() {
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mdb = request.result;
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if (!mreload) {
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console.log("Using stored data...")
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map_load_local(init_func);
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}
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else {
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console.log("Using new data...")
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load_map(init_func);
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}
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}
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request.onupgradeneeded = function(e) {
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mreload = true;
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let mdb = e.target.result;
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try {
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mdb.deleteObjectStore('map_db');
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}
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catch (error) {
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console.log("Could not delete map DB. This is probably fine");
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}
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mdb.createObjectStore('map_db');
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console.log("DB setup complete...");
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}
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}
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function init_map_maps() {
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for (const [terr,data] of Object.entries(terrdata)) {
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terrs.set(data.territory,data.location);
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claims.set(data.territory,data.guild);
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if (!guilds.includes(data.guild)) {
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guilds.push(data.guild);
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}
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neighbors.set(data.territory,data.neighbors);
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resources.set(data.territory,{"resources":data.resources,"storage":data.storage,"emeralds":data.emeralds,"doubleemeralds":data.doubleemeralds,"doubleresource":data.doubleresource});
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}
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} |