Periodic follow mover

assets/Data/GameSettings.json

@@ -258,6 +258,13 @@
                 "goldReward": 1
             }
         ],
+        "periodicFollowMovers": [
+            {
+                "enemyIdToAffect": "BasicCheetah",
+                "followTime": 3,
+                "waitTime": 5
+            }
+        ],
         "individualEnemySpawners": [
             {
                 "common": {

assets/Scripts/Game/Data/GameSettings.ts

@@ -66,11 +66,18 @@ export class MetaUpgradeSettings {
 
 export class EnemyManagerSettings {
     public enemies: EnemySettings[] = [new EnemySettings()];
+    public periodicFollowMovers: PeriodicFollowMoverSettings[] = [new PeriodicFollowMoverSettings()];
     public individualEnemySpawners: IndividualEnemySpawnerSettings[] = [new IndividualEnemySpawnerSettings()];
     public circularEnemySpawners: CircularEnemySpawnerSettings[] = [new CircularEnemySpawnerSettings()];
     public waveEnemySpawners: WaveEnemySpawnerSettings[] = [new WaveEnemySpawnerSettings()];
 }
 
+export class PeriodicFollowMoverSettings {
+    public enemyIdToAffect = "";
+    public followTime = 0;
+    public waitTime = 0;
+}
+
 export class GeneralEnemySpawnerSettings {
     public enemyId = "";
     public startDelay = 0;

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

@@ -18,6 +18,7 @@ export class Enemy extends Component {
     private deathEvent: Signal<Enemy> = new Signal<Enemy>();
     private lifetimeEndedEvent: Signal<Enemy> = new Signal<Enemy>();
 
+    private id: string;
     private movementType: EnemyMovementType;
     private health: UnitHealth;
     private damage: number;
@@ -31,6 +32,7 @@ export class Enemy extends Component {
     private endOfLifetimeTriggered = false;
 
     public setup(position: Vec3, settings: EnemySettings): void {
+        this.id = settings.id;
         this.movementType = <EnemyMovementType>settings.moveType;
         this.health = new UnitHealth(settings.health);
         this.damage = settings.damage;
@@ -48,6 +50,10 @@ export class Enemy extends Component {
         this.endOfLifetimeTriggered = false;
     }
 
+    public get Id(): string {
+        return this.id;
+    }
+
     public get MovementType(): EnemyMovementType {
         return this.movementType;
     }

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

@@ -3,9 +3,9 @@ import { ISignal } from "../../../Services/EventSystem/ISignal";
 import { EnemyManagerSettings } from "../../Data/GameSettings";
 import { Enemy } from "./Enemy";
 import { EnemyMovementType } from "./EnemyMovementType";
-import { EnemyMover } from "./EnemyMover/EnemyMover";
+import { IEnemyMover } from "./EnemyMover/EnemyMover";
 import { FollowTargetEnemyMover } from "./EnemyMover/FollowTargetEnemyMover";
-import { PeriodicFollowTargetEnemyMover } from "./EnemyMover/PeriodicFollowTargetEnemyMover";
+import { PeriodicFollowMovers } from "./EnemyMover/PeriodicFollow/PeriodicFollowMovers";
 import { WaveEnemyMover } from "./EnemyMover/WaveEnemyMover";
 import { CircularEnemySpawner } from "./EnemySpawner/CircularEnemySpawner";
 import { DelayedEnemySpawner } from "./EnemySpawner/DelayedEnemySpawner";
@@ -19,7 +19,7 @@ const { ccclass, property } = _decorator;
 export class EnemyManager extends Component {
     @property(EnemySpawner) private enemySpawner: EnemySpawner;
 
-    private movementTypeToMover: Map<EnemyMovementType, EnemyMover> = new Map<EnemyMovementType, EnemyMover>();
+    private movementTypeToMover: Map<EnemyMovementType, IEnemyMover> = new Map<EnemyMovementType, IEnemyMover>();
 
     private spawners: DelayedEnemySpawner[] = [];
 
@@ -45,7 +45,7 @@ export class EnemyManager extends Component {
 
         this.movementTypeToMover.set(EnemyMovementType.Follow, new FollowTargetEnemyMover(targetNode));
         this.movementTypeToMover.set(EnemyMovementType.Launch, new WaveEnemyMover(targetNode));
-        this.movementTypeToMover.set(EnemyMovementType.PeriodicFollow, new PeriodicFollowTargetEnemyMover(targetNode, 5, 5));
+        this.movementTypeToMover.set(EnemyMovementType.PeriodicFollow, new PeriodicFollowMovers(targetNode, settings.periodicFollowMovers));
     }
 
     public gameTick(deltaTime: number): void {
@@ -74,7 +74,7 @@ export class EnemyManager extends Component {
         this.getEnemyMover(enemy).removeEnemy(enemy);
     }
 
-    private getEnemyMover(enemy: Enemy): EnemyMover {
+    private getEnemyMover(enemy: Enemy): IEnemyMover {
         if (this.movementTypeToMover.has(enemy.MovementType)) {
             return this.movementTypeToMover.get(enemy.MovementType);
         }

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>();