[add] first

assets/scripts/core/msg/msg.ts

@@ -0,0 +1,48 @@
+import { Vec3 } from "cc";
+
+/**
+ * Msg
+ */
+export class Msg<T> {
+
+    private static _map: { [key: string]: Function[] } = {};
+
+    public static on (key: string, fun: (data: any) => void): void {
+        if (!this._map[key]) {
+            this._map[key] = []
+        }
+        this._map[key].push(fun);
+    }
+
+    public static bind (key: string, fun: (data: any) => void, target:any ): void {
+
+        fun = fun.bind(target);
+
+        if (!this._map[key]) {
+            this._map[key] = []
+        }
+        this._map[key].push(fun);
+    }
+
+
+    public static off (key: string, fun: (data: any) => void): void {
+        if (fun === null) {
+            this._map[key] = []
+        } else {
+            const index: number = this._map[key].indexOf(fun);
+            this._map[key].splice(index, 1);
+        }
+    }
+
+    public static emit (key: string, data?: any): void {
+        const info = this._map[key];
+        if (info) {
+            info.forEach(item => {
+                item(data);
+            })
+        } else {
+            //console.warn('Not register key:' + key);
+        }
+    }
+
+}

assets/scripts/core/msg/msg.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "67a3898e-4963-47d9-8023-aa72003bf7e9",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}