Add duty free systems and travel stage updates

Assets/Scripts/PlayerController.cs

@@ -5,6 +5,11 @@ using UnityEngine;
 // PlayerController는 플레이어 캐릭터로서 Player 게임 오브젝트를 제어한다.
 public class PlayerController : MonoBehaviour {
     public AudioClip deathClip; // 사망시 재생할 오디오 클립
+    public AudioClip jumpClip; // 점프시 재생할 오디오 클립
+    public AudioClip doubleJumpClip; // 2단 점프시 재생할 오디오 클립
+    public AudioClip slideClip; // 슬라이딩 시작시 재생할 오디오 클립
+    [Range(0f, 1f)]
+    public float movementSfxVolume = 0.72f; // 이동 효과음 볼륨
     public float jumpForce = 600f; // 점프 힘
     public int maxJumpCount = 2; // 최대 점프 횟수
     public float invincibleDuration = 1.5f; // 피해를 입은 뒤 무적 시간
@@ -37,6 +42,8 @@ public class PlayerController : MonoBehaviour {
         animator = GetComponent<Animator>();
         playerAudio = GetComponent<AudioSource>();
         spriteRenderer = GetComponent<SpriteRenderer>();
+        ConfigureAudioSource();
+        LoadMovementSfxDefaults();
 
         // 게임 콜라이더를 가져와서 현 상태를 저장
         playerCollider = GetComponent<CapsuleCollider2D>();
@@ -64,7 +71,7 @@ public class PlayerController : MonoBehaviour {
 
             // 리지드바디에 위쪽으로 힘을 주기
             playerRigidbody.AddForce(new Vector2(0, jumpForce));
-            playerAudio.Play();
+            PlayJumpSfx();
         }
         else if(Input.GetMouseButtonUp(0) && playerRigidbody.linearVelocityY > 0)
         {
@@ -174,6 +181,7 @@ public class PlayerController : MonoBehaviour {
     private void StartSlide() {
         isSliding = true;
         animator.SetBool("Sliding", true);
+        PlayMovementSfx(slideClip, movementSfxVolume * 0.72f);
 
         playerCollider.size = slidingColliderSize;
         playerCollider.offset = slidingColliderOffset;
@@ -238,4 +246,50 @@ public class PlayerController : MonoBehaviour {
         spriteRenderer.color = Color.white;
         isInvincible = false;
     }
+
+    private void ConfigureAudioSource() {
+        if(playerAudio == null)
+        {
+            playerAudio = gameObject.AddComponent<AudioSource>();
+        }
+
+        playerAudio.playOnAwake = false;
+        playerAudio.spatialBlend = 0f;
+    }
+
+    private void LoadMovementSfxDefaults() {
+        if(jumpClip == null)
+        {
+            jumpClip = Resources.Load<AudioClip>("SFX/SFX_Player_Jump");
+        }
+
+        if(doubleJumpClip == null)
+        {
+            doubleJumpClip = Resources.Load<AudioClip>("SFX/SFX_Player_DoubleJump");
+        }
+
+        if(slideClip == null)
+        {
+            slideClip = Resources.Load<AudioClip>("SFX/SFX_Player_Slide");
+        }
+    }
+
+    private void PlayJumpSfx() {
+        AudioClip clip = jumpCount > 1 && doubleJumpClip != null
+            ? doubleJumpClip
+            : jumpClip;
+        float volume = jumpCount > 1
+            ? movementSfxVolume * 0.9f
+            : movementSfxVolume;
+        PlayMovementSfx(clip, volume);
+    }
+
+    private void PlayMovementSfx(AudioClip clip, float volume) {
+        if(playerAudio == null || clip == null)
+        {
+            return;
+        }
+
+        playerAudio.PlayOneShot(clip, Mathf.Clamp01(volume));
+    }
 }