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assets/Scripts/Game/XP/XP.ts

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+import { Component, Vec3, _decorator } from "cc";
+import { ISignal } from "../../Services/EventSystem/ISignal";
+import { Signal } from "../../Services/EventSystem/Signal";
+const { ccclass, property } = _decorator;
+
+@ccclass("XP")
+export class XP extends Component {
+    private pickUpEvent: Signal<XP> = new Signal<XP>();
+    private value = 2;
+
+    public setup(position: Vec3, value: number): void {
+        this.node.setWorldPosition(position);
+        this.value = value;
+        this.node.active = true;
+    }
+
+    public get Value(): number {
+        return this.value;
+    }
+
+    public get PickupEvent(): ISignal<XP> {
+        return this.pickUpEvent;
+    }
+
+    public pickup(): void {
+        this.pickUpEvent.trigger(this);
+        this.node.active = false;
+    }
+}

assets/Scripts/Game/XP/XP.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "7a5361b6-3ae7-45b6-94ec-a05f322d7896",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}

assets/Scripts/Game/XP/XPSpawner.ts

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+import { Component, Prefab, Vec3, _decorator } from "cc";
+import { ObjectPool } from "../../Services/ObjectPool";
+import { XP } from "./XP";
+const { ccclass, property } = _decorator;
+
+@ccclass("XPSpawner")
+export class XPSpawner extends Component {
+    @property(Prefab) public xpPrefab: Prefab;
+
+    private xpPool: ObjectPool<XP>;
+    public init(): void {
+        this.xpPool = new ObjectPool<XP>(this.xpPrefab, this.node, 5, "XP");
+    }
+
+    public spawnXp(position: Vec3, value: number): void {
+        const xp: XP = this.xpPool.borrow();
+        xp.setup(position, value);
+        xp.PickupEvent.on(this.returnXp, this);
+    }
+
+    private returnXp(xp: XP): void {
+        xp.PickupEvent.off(this.returnXp);
+        this.xpPool.return(xp);
+    }
+}

assets/Scripts/Game/XP/XPSpawner.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "ab9e206b-f11a-417c-814b-07d29c59ed6e",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}