add leaderboard announcement

game.js

@@ -14,6 +14,73 @@ class Game extends GameBasic {
         super();
         this.ws = [];
     }
+    async updateLeaderboard() {
+        let jason = await db.all('SELECT * FROM stats ORDER BY ko DESC LIMIT 100');
+
+        let scoresOld = this.scores || [];
+
+        let scores = {};
+
+        for (let e of jason) {
+            scores[e.ip] = scores[e.ip] || 0;
+            scores[e.ip] += e.ko ** 2;
+        }
+
+        for (let score in scores) {
+            let s = scores[score];
+            scores[score] = Math.round(Math.sqrt(s));
+        }
+
+        this.scores = Object.entries(scores).sort((a, b) => b[1] - a[1]);
+
+        let s = this.scores;
+
+        s = [...s];
+        s.length = Math.min(s.length,10);
+
+        let message = [];
+
+        if (scoresOld.length == 0) return;
+
+        for (let i = 0; i < this.scores.length || i < scoresOld.length; i++) {
+            let a = this.scores[i] ? this.scores[i][0] : '!nobody';
+            let b = this.scores[i + 1] ? this.scores[i + 1][0] : '!nobody';
+
+            let c = scoresOld.findIndex(x => x[0] == a);
+            let d = scoresOld.findIndex(x => x[0] == b);
+
+            if (a == '!nobody' || b == '!nobody' || d - c == 1 || (c != -1 && this.scores[i][1] == scoresOld[c][1])) continue;
+
+            message.push(`${a} beat ${b} on the leaderboard!`);
+        }
+
+        if (message.length == 0) return;
+
+        message = message.join('\n');
+        console.log(message);
+
+        let h = await fetch(
+            process.env.HOOK,
+            {
+                method: 'post',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify({
+                    username: 'UniButton',
+                    content: message,
+                    embeds: [
+                        {
+                            color: 11730954,
+                            title: 'Leaderboard',
+                            description: s.map((x, i) => `**#${i + 1}**: ${x[0]} [${x[1]}]`).join('\n'),
+                        },
+                    ],
+                    files: []
+                }),
+            }
+        );
+    }
     async sync(full = false) {
         let onScreen = this.entities.filter(x => x && x.health > 0).length;
 
@@ -60,6 +127,8 @@ class Game extends GameBasic {
                     hash,
                     wsEnt.headCount
                 ]);
+
+                this.updateLeaderboard();
             }
 
             if (!client.active) continue;
@@ -103,6 +172,7 @@ class Game extends GameBasic {
     init() {
         super.init();
 
+        this.updateLeaderboard();
         let that = this;
         that.entities = [];
 

index.js

@@ -19,7 +19,8 @@ app.use('/js', express.static('./common'));
 app.use(express.static('./static'));
 
 app.get('/leaderboard', async function (ws, req) {
-    req.send(JSON.stringify(await db.all('SELECT * FROM stats ORDER BY ko DESC LIMIT 100')));
+    let scores = game.scores || []; 
+    req.send(scores.map((x,i) => `#${i+1}: ${x[0]} [${x[1]}]`).join('\n'));
 })
 
 app.ws('/', function (ws, req) {

static/js/index.js

@@ -291,23 +291,9 @@ class Game extends GameBasic {
     }
 
     async handleScores() {
-        let jason = await(fetch('/leaderboard').then(x => x.json()))
+        let jason = await (fetch('/leaderboard').then(x => x.text()))
 
-        let scores = {};
+        document.querySelector('.lb').textContent = jason;
-
-        for (let e of jason) {
-            scores[e.ip] = scores[e.ip] || 0;
-            scores[e.ip] += e.ko ** 2;
-        }
-
-        for (let score in scores) {
-            let s = scores[score];
-            scores[score] = Math.round(Math.sqrt(s));
-        }
-
-        scores = Object.entries(scores).sort((a, b) => b[1] - a[1]);
-
-        document.querySelector('.lb').textContent = scores.map(x => `${x[0]}: ${x[1]}`).join('\n');
     }
 }