Добавил музыку

Assets/Audio/WaveMusic.mp3.meta

@@ -0,0 +1,23 @@
+fileFormatVersion: 2
+guid: 12a913a054576d14581bfce71dbf4512
+AudioImporter:
+  externalObjects: {}
+  serializedVersion: 8
+  defaultSettings:
+    serializedVersion: 2
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+    preloadAudioData: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  loadInBackground: 0
+  ambisonic: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scenes/Island.unity

@@ -11343,6 +11343,9 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: '::'
   _wallet: {fileID: 1030979928}
+  _gameManager: {fileID: 1875710079}
+  _levelBackgroundMusic: {fileID: 1897118789}
+  _buildBackgroundMusic: {fileID: 0}
   _grassBlockDestroySound:
   - {fileID: 1641086313}
   - {fileID: 1127156137}
@@ -11368,6 +11371,7 @@ Transform:
   - {fileID: 1128613021}
   - {fileID: 1573731473}
   - {fileID: 1087951941}
+  - {fileID: 1897118788}
   m_Father: {fileID: 481586150}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1001 &1439091071
@@ -14385,6 +14389,135 @@ Transform:
   m_CorrespondingSourceObject: {fileID: 5368672011475721328, guid: 8dd20c91f0d7a7b419f6bedcd1870cba, type: 3}
   m_PrefabInstance: {fileID: 1894735328}
   m_PrefabAsset: {fileID: 0}
+--- !u!1 &1897118787
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 1897118788}
+  - component: {fileID: 1897118789}
+  m_Layer: 0
+  m_Name: WaveBgMusic
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!4 &1897118788
+Transform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1897118787}
+  serializedVersion: 2
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 1431145624}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!82 &1897118789
+AudioSource:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1897118787}
+  m_Enabled: 1
+  serializedVersion: 4
+  OutputAudioMixerGroup: {fileID: 0}
+  m_audioClip: {fileID: 0}
+  m_Resource: {fileID: 8300000, guid: 12a913a054576d14581bfce71dbf4512, type: 3}
+  m_PlayOnAwake: 0
+  m_Volume: 0.703
+  m_Pitch: 1
+  Loop: 1
+  Mute: 0
+  Spatialize: 0
+  SpatializePostEffects: 0
+  Priority: 128
+  DopplerLevel: 1
+  MinDistance: 1
+  MaxDistance: 500
+  Pan2D: 0
+  rolloffMode: 0
+  BypassEffects: 0
+  BypassListenerEffects: 0
+  BypassReverbZones: 0
+  rolloffCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    - serializedVersion: 3
+      time: 1
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  panLevelCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  spreadCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  reverbZoneMixCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
 --- !u!1001 &1897891005
 PrefabInstance:
   m_ObjectHideFlags: 0

Assets/Scripts/AudioManager.cs

@@ -3,6 +3,9 @@ using UnityEngine;
 public class AudioManager : MonoBehaviour
 {
     [SerializeField] private Wallet _wallet;
+    [SerializeField] private GameManager _gameManager;
+    [SerializeField] private AudioSource _levelBackgroundMusic;
+    [SerializeField] private AudioSource _buildBackgroundMusic;
     [SerializeField] private AudioSource[] _grassBlockDestroySound;
     [SerializeField] private AudioSource[] _moneyChangeSound;
 
@@ -10,17 +13,21 @@ public class AudioManager : MonoBehaviour
     private int _moneyChangeSoundIndex = 0;
 
     private int _money;
+    private GameManager.GameState _state;
 
     private void OnEnable()
     {
         _money = _wallet.Money;
+        _state = _gameManager.CurrentState;
 
         _wallet.OnMoneyChanged += OnMoneyChanged;
+        _gameManager.OnStateChanged += OnStateChanged;
     }
 
     private void OnDisable()
     {
         _wallet.OnMoneyChanged -= OnMoneyChanged;
+        _gameManager.OnStateChanged -= OnStateChanged;
     }
 
     public void PlayBlockDestroySound(BlockScript block)
@@ -29,11 +36,7 @@ public class AudioManager : MonoBehaviour
         {
             case BlockScript.BlockType.Grass:
             case BlockScript.BlockType.PathFinish:
-                if (_grassBlockDestroySound == null)
+                Play(_grassBlockDestroySound, ref _grassSoundIndex);
-                    return;
-
-                _grassBlockDestroySound[_grassSoundIndex].Play();
-                _grassSoundIndex = (_grassSoundIndex + 1) % _grassBlockDestroySound.Length;
                 break;
         }
     }
@@ -46,7 +49,48 @@ public class AudioManager : MonoBehaviour
         if (_moneyChangeSound.Length == 0 || oldMoney <= money)
             return;
 
-        _moneyChangeSound[_moneyChangeSoundIndex].Play();
+        Play(_moneyChangeSound, ref _moneyChangeSoundIndex);
-        _moneyChangeSoundIndex = (_moneyChangeSoundIndex + 1) % _moneyChangeSound.Length;
+    }
+
+    private void OnStateChanged(GameManager.GameState newState)
+    {
+        if (newState == _state ||
+            _state == GameManager.GameState.BuildingPath && newState == GameManager.GameState.BuildingTurrets)
+            return;
+
+        _state = newState;
+        switch (newState)
+        {
+            case GameManager.GameState.Level:
+                Stop(_buildBackgroundMusic);
+                Play(_levelBackgroundMusic);
+                break;
+            case GameManager.GameState.BuildingPath:
+            case GameManager.GameState.BuildingTurrets:
+                Stop(_levelBackgroundMusic);
+                Play(_buildBackgroundMusic);
+                break;
+        }
+    }
+
+    private static void Play(AudioSource audioSource)
+    {
+        if (audioSource != null)
+            audioSource.Play();
+    }
+
+    private static void Play(AudioSource[] audioSources, ref int index)
+    {
+        if (audioSources == null || index >= audioSources.Length)
+            return;
+
+        Play(audioSources[index]);
+        index = (index + 1) % audioSources.Length;
+    }
+
+    private static void Stop(AudioSource audioSource)
+    {
+        if (audioSource != null && audioSource.isPlaying)
+            audioSource.Stop();
     }
 }