feat(game): 添加全套音效系统（背景BGM+7种攻击音+波次/Boss/死亡/建塔音效），纯Web Audio API合成

game/towers/InternTower.ts

@@ -1,6 +1,7 @@
 import type Phaser from 'phaser'
 import { TowerBase } from './TowerBase'
 import { GameManager } from '../GameManager'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 export class InternTower extends TowerBase {
@@ -32,6 +33,7 @@ export class InternTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
+    AudioEngine.getInstance().playPunch()
     const isInstakill = Math.random() < 0.05 && target.hp < 500
     if (isInstakill) {
       target.takeDamage(9999)

game/towers/OpsTower.ts

@@ -1,5 +1,6 @@
 import type Phaser from 'phaser'
 import { TowerBase } from './TowerBase'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 /**
@@ -13,6 +14,7 @@ export class OpsTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
+    AudioEngine.getInstance().playOpsAttack()
     this.fireChart(target)
   }
 

game/towers/OutsourceTower.ts

@@ -1,5 +1,6 @@
 import type Phaser from 'phaser'
 import { TowerBase } from './TowerBase'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 /**
@@ -15,6 +16,7 @@ export class OutsourceTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
+    AudioEngine.getInstance().playOutsourceAttack()
     // 5% 概率 Bug 反弹（精力归零）
     if (Math.random() < 0.05) {
       this.stamina = 0

game/towers/PMTower.ts

@@ -1,5 +1,6 @@
 import type Phaser from 'phaser'
 import { TowerBase } from './TowerBase'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 /**
@@ -15,6 +16,7 @@ export class PMTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
+    AudioEngine.getInstance().playPMAttack()
     this.firePRD(target)
   }
 

game/towers/PPTMasterTower.ts

@@ -1,5 +1,6 @@
 import type Phaser from 'phaser'
 import { TowerBase } from './TowerBase'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 export class PPTMasterTower extends TowerBase {
@@ -12,6 +13,7 @@ export class PPTMasterTower extends TowerBase {
   }
 
   attackAoe(enemies: EnemyBase[]): void {
+    AudioEngine.getInstance().playPPTBlast()
     const rangePx = this.attackRange * this.cellW
     this.showAoeEffect(rangePx)
     for (const e of enemies) {

game/towers/SeniorDevTower.ts

@@ -1,5 +1,6 @@
 import type Phaser from 'phaser'
 import { TowerBase } from './TowerBase'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 export class SeniorDevTower extends TowerBase {
@@ -8,6 +9,7 @@ export class SeniorDevTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
+    AudioEngine.getInstance().playKeyboard()
     this.fireCodeBullet(target)
   }
 

game/towers/TowerBase.ts

@@ -2,6 +2,7 @@ import type Phaser from 'phaser'
 import { GameManager } from '../GameManager'
 import { HUD_HEIGHT, COFFEE_COST, STAMINA_MAX, STAMINA_REGEN } from '../constants'
 import { getCellSize } from '../mapRenderer'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 
 export abstract class TowerBase {
@@ -141,6 +142,8 @@ export abstract class TowerBase {
       this.isActive = true
       this.imageSprite.setAlpha(1)
       this.updateStaminaBar()
+      // 购买咖啡音效
+      AudioEngine.getInstance().playDingTalk()
       return true
     }
     return false

game/towers/TowerManager.ts

@@ -2,6 +2,7 @@ import type Phaser from 'phaser'
 import { GameManager } from '../GameManager'
 import { getCellSize } from '../mapRenderer'
 import { COFFEE_COST } from '../constants'
+import { AudioEngine } from '../AudioEngine'
 import type { EnemyBase } from '../enemies/EnemyBase'
 import { TowerBase } from './TowerBase'
 import { InternTower } from './InternTower'
@@ -60,6 +61,8 @@ export class TowerManager {
     const tower = this.createTower(type, gridX, gridY)
     this.towers.push(tower)
     this.occupiedCells.add(`${gridX},${gridY}`)
+    // 建塔音效（钉钉消息音）
+    AudioEngine.getInstance().playNotify()
 
     // 监听实习生自毁事件
     if (tower instanceof InternTower) {
@@ -226,6 +229,8 @@ export class TowerManager {
     this.showDestroyEffect(tower)
     tower.destroy()
     this.removeTower(tower)
+    // 塔被摧毁音效
+    AudioEngine.getInstance().playTowerDestroyed()
   }
 
   private showDestroyEffect(tower: TowerBase): void {