Periodic follow mover

assets/Scripts/Game/Unit/Enemy/EnemyMover/EnemyMover.ts

@@ -1,7 +1,7 @@
 import { Node } from "cc";
 import { Enemy } from "../Enemy";
 
-export abstract class EnemyMover {
+export abstract class EnemyMover implements IEnemyMover {
     protected targetNode: Node;
     protected enemies: Enemy[] = [];
 
@@ -21,3 +21,9 @@ export abstract class EnemyMover {
 
     public abstract gameTick(deltaTime: number): void;
 }
+
+export interface IEnemyMover {
+    addEnemy(enemy: Enemy): void;
+    removeEnemy(enemy: Enemy): void;
+    gameTick(deltaTime: number): void;
+}

assets/Scripts/Game/Unit/Enemy/EnemyMover/PeriodicFollow.meta

@@ -0,0 +1,12 @@
+{
+  "ver": "1.1.0",
+  "importer": "directory",
+  "imported": true,
+  "uuid": "6a81340e-e6eb-4fa0-9d0c-09d988986e6a",
+  "files": [],
+  "subMetas": {},
+  "userData": {
+    "compressionType": {},
+    "isRemoteBundle": {}
+  }
+}

assets/Scripts/Game/Unit/Enemy/EnemyMover/PeriodicFollow/PeriodicFollowMovers.ts

@@ -0,0 +1,39 @@
+import { Node } from "cc";
+import { PeriodicFollowMoverSettings } from "../../../../Data/GameSettings";
+import { Enemy } from "../../Enemy";
+import { IEnemyMover } from "../EnemyMover";
+import { PeriodicFollowTargetEnemyMover } from "./PeriodicFollowTargetEnemyMover";
+
+export class PeriodicFollowMovers implements IEnemyMover {
+    private enemyIdToMover = new Map<string, PeriodicFollowTargetEnemyMover>();
+    public constructor(targetNode: Node, settings: PeriodicFollowMoverSettings[]) {
+        for (const moverSettings of settings) {
+            this.enemyIdToMover.set(
+                moverSettings.enemyIdToAffect,
+                new PeriodicFollowTargetEnemyMover(targetNode, moverSettings.followTime, moverSettings.waitTime)
+            );
+        }
+    }
+
+    public addEnemy(enemy: Enemy): void {
+        this.requireEnemyMover(enemy);
+        this.enemyIdToMover.get(enemy.Id).addEnemy(enemy);
+    }
+
+    public removeEnemy(enemy: Enemy): void {
+        this.requireEnemyMover(enemy);
+        this.enemyIdToMover.get(enemy.Id).removeEnemy(enemy);
+    }
+
+    public gameTick(deltaTime: number): void {
+        for (const enemyMover of this.enemyIdToMover.values()) {
+            enemyMover.gameTick(deltaTime);
+        }
+    }
+
+    private requireEnemyMover(enemy: Enemy): void {
+        if (!this.enemyIdToMover.has(enemy.Id)) {
+            throw new Error("There is no periodic follow mover for enemy with id " + enemy.Id);
+        }
+    }
+}

assets/Scripts/Game/Unit/Enemy/EnemyMover/PeriodicFollow/PeriodicFollowMovers.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "dadbf2fc-29f0-4348-83e8-c186353581e9",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}

assets/Scripts/Game/Unit/Enemy/EnemyMover/PeriodicFollow/PeriodicFollowTargetEnemyMover.ts

@@ -1,6 +1,6 @@
 import { Node, Vec3 } from "cc";
-import { Enemy } from "../Enemy";
-import { EnemyMover } from "./EnemyMover";
+import { Enemy } from "../../Enemy";
+import { EnemyMover } from "../EnemyMover";
 
 export class PeriodicFollowTargetEnemyMover extends EnemyMover {
     private enemyToFollowState: Map<Enemy, EnemyFollowState> = new Map<Enemy, EnemyFollowState>();