Add beta-tick-event (1.19.40.22) (JaylyDev#22)

bot174 · web-flow · commit 95c8d9a5977f · 2022-09-30T13:24:24.000+01:00
diff --git a/scripts/beta-tick-event/index.js b/scripts/beta-tick-event/index.js
@@ -0,0 +1,58 @@
+import { system, world } from 'mojang-minecraft';
+class TickEvent {
+    constructor() {
+        this.subscriptions = {};
+        this.lastTickDate;
+        this.deltaTime;
+        this.currentTick = 0;
+        this.tickCheck;
+        this.avgDeltaTime = [];
+        this.tps;
+    }
+    __checkTicks() {
+        if (this.tickCheck) return;
+        this.tickCheck = () => {
+            const { lastTickDate = (new Date()).getTime() } = this;
+            this.currentTick++;
+            this.deltaTime = (new Date()).getTime() - lastTickDate;
+            this.avgDeltaTime.push(this.deltaTime);
+            if (this.avgDeltaTime.length > 100) this.avgDeltaTime.shift();
+            const { avgDeltaTime } = this;
+            this.tps = Math.round((1 / (avgDeltaTime.reduce((t, c) => t + c) / avgDeltaTime.length / 1000)) * 10) / 10;
+            this.lastTickDate = (new Date()).getTime();
+            system.run(this.tickCheck);
+        };
+        system.run(this.tickCheck);
+    }
+    /**
+     * @method subscribe
+     * @param {String} key 
+     * @param {Function} callback 
+     */
+    subscribe(key, callback) {
+        this.__checkTicks();
+        this.subscriptions[key] = () => {
+            const { deltaTime = 0, currentTick = 0, tps = 20 } = this;
+            callback({ deltaTime, currentTick, tps });
+            system.run(this.subscriptions[key]);
+        };
+        system.run(this.subscriptions[key]);
+    }
+    /**
+     * @method unsubscribe
+     * @param {String} key
+     */
+    unsubscribe(key) {
+
+        console.warn(Object.keys(this.subscriptions).length);
+        if (Object.keys(this.subscriptions).length <= 1) {
+            system.run(() => { this.__checkTicks = false; });
+        }
+        this.subscriptions[key] = () => { };
+
+        system.run(() => {
+            delete this.subscriptions[key];
+        });
+    }
+}
+export const tickEvent = new TickEvent();
