created a class to centralize all user inputs catching and expose user events

front/src/Phaser/UserInput/UserInputManager.ts

@@ -0,0 +1,63 @@
+import Map = Phaser.Structs.Map;
+import {GameSceneInterface} from "../Game/GameScene";
+
+interface UserInputManagerDatum {
+    keyCode: number;
+    keyInstance: Phaser.Input.Keyboard.Key;
+    event: UserInputEvent
+}
+
+export enum UserInputEvent {
+    MoveLeft = 1,
+    MoveUp,
+    MoveRight,
+    MoveDown,
+    SpeedUp,
+}
+
+//we cannot the map structure so we have to create a replacment
+export class ActiveEventList {
+    private data:any;
+    constructor() {
+        this.data = {};
+    }
+    get(event: UserInputEvent): boolean {
+        return this.data[event] || false;
+    }
+    set(event: UserInputEvent, value: boolean): boolean {
+        return this.data[event] = true;
+    }
+} 
+
+//this class is responsible for catching user inputs and listing all active user actions at every game tick events.
+export class UserInputManager {
+    private data: UserInputManagerDatum[] = [
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.Z, event: UserInputEvent.MoveUp, keyInstance: null},
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.Q, event: UserInputEvent.MoveLeft, keyInstance: null},
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.S, event: UserInputEvent.MoveDown, keyInstance: null},
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.D, event: UserInputEvent.MoveRight, keyInstance: null},
+        
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.UP, event: UserInputEvent.MoveUp, keyInstance: null},
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.LEFT, event: UserInputEvent.MoveLeft, keyInstance: null},
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.DOWN, event: UserInputEvent.MoveDown, keyInstance: null},
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.RIGHT, event: UserInputEvent.MoveRight, keyInstance: null},
+        
+        {keyCode: Phaser.Input.Keyboard.KeyCodes.SHIFT, event: UserInputEvent.SpeedUp, keyInstance: null},
+    ];
+    
+    constructor(Scene : GameSceneInterface) {
+        this.data.forEach(d => {
+            d.keyInstance = Scene.input.keyboard.addKey(d.keyCode);
+        });
+    }
+
+    getEventListForGameTick(): ActiveEventList {
+        let eventsMap = new ActiveEventList();
+        this.data.forEach(d => {
+            if (d. keyInstance.isDown) {
+                eventsMap.set(d.event, true);
+            }
+        });
+        return eventsMap;
+    }
+}