Initial commit

Messages/LeaderboardPageMessage.js

@@ -0,0 +1,42 @@
+const LeaderboardPagePacket = require("../Packets/LeaderboardPage");
+
+const leaderboards          = require("../Data/leaderboard");
+
+module.exports = async function (ws, message, player) {
+    const leaderboardID = message.getUint8(1);
+    const leaderboard = leaderboards[leaderboardID];
+    if (!leaderboard) return console.time("leaderboard 1");
+
+    const page = message.getUint16(2);
+
+    if (!leaderboard.size) {
+        const leaderboardCountFromDB = await execute(`SELECT COUNT(*) AS count FROM leaderboard_${leaderboardID + 1}`); 
+        if (!leaderboardCountFromDB.data) return console.info("leaderboard 2");
+
+        leaderboard.size = leaderboardCountFromDB.data[0].count;
+    };
+
+    const lastPage = Math.ceil(leaderboard.size / 10);
+    if (page <= 0 || page > lastPage) return;
+
+    let entries = null;
+    
+    const startingFrom = (page - 1) * 10;
+    const cachedEntries = leaderboard.cache[page];
+    if (cachedEntries) entries = cachedEntries;
+    else {
+        const leaderboardFromDB = await query(`SELECT accounts.id, accounts.username, leaderboard_${leaderboardID + 1}.amount FROM leaderboard_${leaderboardID + 1} INNER JOIN accounts ON accounts.id = leaderboard_${leaderboardID + 1}.id ORDER BY amount DESC LIMIT ?, 10`, [startingFrom])
+        if (!leaderboardFromDB.data) return console.info("leaderboard 3");
+        
+        entries = leaderboardFromDB.data
+        leaderboard.cache[page] = entries;
+    };
+
+    const leaderboardPacket = LeaderboardPagePacket.init(leaderboardID, entries.length);
+    entries.forEach(e => leaderboardPacket.update({
+        username: e.username,
+        amount: e.amount
+    }));
+
+    player.map.registerIndividualNetworkPacket(player.id, leaderboardPacket.get());
+};