feat: Game scene — SongController bridges custom map to VRBeatsKit

- SongController: loads MP3 + Beat Saber JSON map, runs countdown (3→2→1→GO),
  spawns cubes via VR_BeatManager.Spawn() synced to audioSource.time
- NoteData → SpawnEventInfo mapping: position/lineLayer → x/y, colorType → ColorSide,
  cutDirection → Direction enum
- travelTimeOverride on SpawnEventInfo: each cube's travel time is back-calculated
  from remaining time at spawn moment, so simultaneous notes arrive at hit zone together
  regardless of frame-level spawn delay
- AudioManager: add PlayClip(AudioClip) and CurrentTime property
- VR_BeatManager: respect travelTimeOverride when non-zero
- Settings.asset: targetTravelTime 0.5 → 1.8 for natural Beat Saber approach feel
- SceneBuilder ④: auto-builds Game.unity from SaberStyle, wires SongController refs,
  registers in Build Settings
- LiberationSans SDF fallback updated with NanumGothic for Korean text support
- Remove unused SampleScene

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Assets/Editor/VRBeatSaberSceneBuilder.cs

@@ -3,11 +3,98 @@ using UnityEditor.SceneManagement;
 using UnityEngine;
 using UnityEngine.UI;
 using TMPro;
+using VRBeats;
+using VRBeats.ScriptableEvents;
 
 public static class VRBeatSaberSceneBuilder
 {
     private const string MenuScene = "Assets/VRBeatsKit/Scenes/Menu.unity";
 
+    // ─────────────────────────────────────────────
+    //  ④ Build Game Scene
+    //  SaberStyle 복제 → Game.unity 생성
+    //  PlayableManager 제거, SongController + 카운트다운 캔버스 추가
+    // ─────────────────────────────────────────────
+    [MenuItem("Tools/VRBeatSaber/④ Build Game Scene")]
+    public static void BuildGameScene()
+    {
+        const string saberStylePath = "Assets/VRBeatsKit/Scenes/SaberStyle.unity";
+        const string gamePath       = "Assets/Scenes/Game.unity";
+
+        // SaberStyle → Game.unity 복제 (이미 있으면 그냥 열기)
+        if (!AssetDatabase.LoadAssetAtPath<Object>(gamePath))
+        {
+            if (!AssetDatabase.CopyAsset(saberStylePath, gamePath))
+            {
+                Debug.LogError("[SceneBuilder] SaberStyle.unity 복제 실패");
+                return;
+            }
+            AssetDatabase.Refresh();
+        }
+
+        var scene = EditorSceneManager.OpenScene(gamePath, OpenSceneMode.Single);
+
+        // PlayableManager 제거 (PlayableDirector는 유지)
+        var pm = Object.FindObjectOfType<PlayableManager>();
+        if (pm != null)
+            Object.DestroyImmediate(pm);
+
+        // SongController GO 생성
+        var scGO           = new GameObject("SongController");
+        var songController = scGO.AddComponent<SongController>();
+
+        var cubePrefab      = AssetDatabase.LoadAssetAtPath<Spawneable>(
+            "Assets/VRBeatsKit/Prefabs/Spawneable/VR_BeatCube.prefab");
+        var onLevelComplete = AssetDatabase.LoadAssetAtPath<GameEvent>(
+            "Assets/VRBeatsKit/GameEvents/OnLevelComplete.asset");
+
+        // 카운트다운 캔버스 생성
+        var canvasGO = new GameObject("CountdownCanvas");
+        var canvas   = canvasGO.AddComponent<Canvas>();
+        canvas.renderMode   = RenderMode.ScreenSpaceOverlay;
+        canvas.sortingOrder = 100;
+        canvasGO.AddComponent<CanvasScaler>();
+        canvasGO.AddComponent<GraphicRaycaster>();
+
+        var countdownGO = new GameObject("CountdownText");
+        countdownGO.transform.SetParent(canvasGO.transform, false);
+        var cRect              = countdownGO.AddComponent<RectTransform>();
+        cRect.anchorMin        = new Vector2(0.5f, 0.5f);
+        cRect.anchorMax        = new Vector2(0.5f, 0.5f);
+        cRect.pivot            = new Vector2(0.5f, 0.5f);
+        cRect.anchoredPosition = Vector2.zero;
+        cRect.sizeDelta        = new Vector2(400f, 200f);
+        var cTmp               = countdownGO.AddComponent<TextMeshProUGUI>();
+        cTmp.text              = "";
+        cTmp.fontSize          = 120f;
+        cTmp.color             = Color.white;
+        cTmp.alignment         = TextAlignmentOptions.Center;
+        cTmp.fontStyle         = FontStyles.Bold;
+        countdownGO.SetActive(false);
+
+        // SongController 필드 연결
+        var scSO = new SerializedObject(songController);
+        scSO.FindProperty("cubePrefab")      .objectReferenceValue = cubePrefab;
+        scSO.FindProperty("onLevelComplete") .objectReferenceValue = onLevelComplete;
+        scSO.FindProperty("countdownText")   .objectReferenceValue = cTmp;
+        scSO.ApplyModifiedPropertiesWithoutUndo();
+
+        // Build Settings 에 Game.unity 추가
+        var scenes      = EditorBuildSettings.scenes;
+        bool exists     = System.Array.Exists(scenes, s => s.path == gamePath);
+        if (!exists)
+        {
+            var newList   = new EditorBuildSettingsScene[scenes.Length + 1];
+            System.Array.Copy(scenes, newList, scenes.Length);
+            newList[scenes.Length] = new EditorBuildSettingsScene(gamePath, true);
+            EditorBuildSettings.scenes = newList;
+        }
+
+        EditorSceneManager.MarkSceneDirty(scene);
+        EditorSceneManager.SaveScene(scene);
+        Debug.Log("[SceneBuilder] ✓ Game.unity 생성 완료");
+    }
+
     // ─────────────────────────────────────────────
     //  ③ Menu — Rebuild SongSelect Panel
     //

Assets/Scenes/Game.unity.meta

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-guid: 99c9720ab356a0642a771bea13969a05
+guid: dab0572fcafe87d4b80a838fd874234b
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Assets/Script/SongController.cs

@@ -0,0 +1,155 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using TMPro;
+using UnityEngine;
+using UnityEngine.Networking;
+using VRBeats;
+using VRBeats.ScriptableEvents;
+
+public class SongController : MonoBehaviour
+{
+    [SerializeField] private Spawneable  cubePrefab;
+    [SerializeField] private GameEvent   onLevelComplete;
+    [SerializeField] private TMP_Text    countdownText;
+
+    private AudioManager _audio;
+
+    private static string CacheRoot =>
+        Path.Combine(Application.temporaryCachePath, "beatsaber");
+
+    private void Start()
+    {
+        _audio = FindObjectOfType<AudioManager>();
+        StartCoroutine(LoadAndPlay());
+    }
+
+    private IEnumerator LoadAndPlay()
+    {
+        SongInfo song = GameSession.SelectedSong;
+        string   diff = GameSession.SelectedDifficulty;
+
+        if (song == null || string.IsNullOrEmpty(diff))
+        {
+            Debug.LogError("[SongController] No song/difficulty selected");
+            yield break;
+        }
+
+        // Load audio clip from local cache
+        string audioPath = Path.Combine(CacheRoot, song.id, song.id + ".mp3");
+        AudioClip clip;
+        using (var req = UnityWebRequestMultimedia.GetAudioClip("file://" + audioPath, AudioType.MPEG))
+        {
+            yield return req.SendWebRequest();
+            if (req.result != UnityWebRequest.Result.Success)
+            {
+                Debug.LogError($"[SongController] Audio load failed: {req.error}");
+                yield break;
+            }
+            clip = DownloadHandlerAudioClip.GetContent(req);
+        }
+
+        // Load and parse map
+        DifficultyInfo diffInfo = song.difficulties.Get(diff);
+        if (diffInfo == null)
+        {
+            Debug.LogError($"[SongController] Difficulty '{diff}' not found");
+            yield break;
+        }
+        string mapPath = Path.Combine(CacheRoot, song.id, Path.GetFileName(diffInfo.mapFile));
+        if (!File.Exists(mapPath))
+        {
+            Debug.LogError($"[SongController] Map file missing: {mapPath}");
+            yield break;
+        }
+        MapData map = JsonUtility.FromJson<MapData>(File.ReadAllText(mapPath));
+        if (map?.target == null)
+        {
+            Debug.LogError("[SongController] Map parse failed");
+            yield break;
+        }
+        map.target.Sort((a, b) => a.time.CompareTo(b.time));
+
+        yield return StartCoroutine(Countdown());
+
+        _audio.PlayClip(clip);
+
+        StartCoroutine(SpawnRoutine(map.target));
+        yield return StartCoroutine(WaitForCompletion(clip.length));
+    }
+
+    private IEnumerator Countdown()
+    {
+        if (countdownText == null) yield break;
+        countdownText.gameObject.SetActive(true);
+
+        string[] labels   = { "3", "2", "1", "GO!" };
+        float[]  durations = { 1f,  1f,  1f,  0.6f  };
+
+        for (int i = 0; i < labels.Length; i++)
+        {
+            countdownText.text = labels[i];
+            yield return new WaitForSeconds(durations[i]);
+        }
+
+        countdownText.gameObject.SetActive(false);
+    }
+
+    private IEnumerator SpawnRoutine(List<NoteData> notes)
+    {
+        float travelTime = VR_BeatManager.instance.GameSettings.TargetTravelTime;
+
+        foreach (NoteData note in notes)
+        {
+            float spawnAt = Mathf.Max(0f, note.time - travelTime);
+            yield return new WaitUntil(() => _audio.CurrentTime >= spawnAt);
+            SpawnNote(note);
+        }
+    }
+
+    private void SpawnNote(NoteData note)
+    {
+        float x = -0.375f + note.position * 0.25f;
+        float y = -0.333f + note.lineLayer * 0.333f;
+
+        // 스폰 시점의 실제 남은 시간으로 역산 → 동시 노트가 프레임 차이 나도 같은 타이밍에 도착
+        float remaining = note.time - _audio.CurrentTime;
+        float travelTime = Mathf.Max(0.05f, remaining);
+
+        var info = new SpawnEventInfo
+        {
+            position             = new Vector3(x, y, 0f),
+            colorSide            = note.colorType == 0 ? ColorSide.Left : ColorSide.Right,
+            hitDirection         = MapCutDirection(note.cutDirection),
+            useSpark             = true,
+            speed                = 2f,
+            travelTimeOverride   = travelTime,
+        };
+
+        VR_BeatManager.instance.Spawn(cubePrefab, info);
+    }
+
+    // Beat Saber cutDirection → VRBeats Direction
+    // BS: 0=Up 1=Down 2=Left 3=Right 4=UpperLeft 5=UpperRight 6=LowerLeft 7=LowerRight 8=Any
+    private static readonly Direction[] CutDirMap =
+    {
+        Direction.Up,
+        Direction.Down,
+        Direction.Left,
+        Direction.Right,
+        Direction.UpperLeft,
+        Direction.UpperRight,
+        Direction.LowerLeft,
+        Direction.LowerRight,
+        Direction.Center,
+    };
+
+    private static Direction MapCutDirection(int cut)
+        => (cut >= 0 && cut < CutDirMap.Length) ? CutDirMap[cut] : Direction.Center;
+
+    private IEnumerator WaitForCompletion(float clipLength)
+    {
+        yield return new WaitUntil(() => _audio.CurrentTime >= clipLength - 0.5f);
+        onLevelComplete?.Invoke();
+    }
+}

Assets/Script/SongController.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: ca3b401467e927148b0face4c03b0062

Assets/VRBeatsKit/Scripts/Core/AudioManager.cs

@@ -41,6 +41,14 @@ namespace VRBeats
             audioSource.outputAudioMixerGroup.audioMixer.SetFloat("Pitch", value);
         }
 
+        public void PlayClip(AudioClip clip)
+        {
+            audioSource.clip = clip;
+            audioSource.Play();
+        }
+
+        public float CurrentTime => audioSource != null ? audioSource.time : 0f;
+
     }
 
 }

Assets/VRBeatsKit/Scripts/Core/VR_BeatManager.cs

@@ -73,14 +73,15 @@ namespace VRBeats
             Vector3 finalScale = clone.transform.localScale;
             clone.transform.localScale = Vector3.zero;
 
+            float travelTime = info.travelTimeOverride > 0f ? info.travelTimeOverride : settings.TargetTravelTime;
 
-            clone.transform.Move(finalPosition, settings.TargetTravelTime).SetEase(settings.TargetTravelEase).SetOnComplete(delegate
+            clone.transform.Move(finalPosition, travelTime).SetEase(settings.TargetTravelEase).SetOnComplete(delegate
             {
                 clone.OnSpawn();
             }).SetUpdateMode(Platinio.TweenEngine.UpdateMode.Update);
 
 
-            clone.transform.ScaleTween(finalScale, settings.TargetTravelTime).SetEase(settings.TargetTravelEase);
+            clone.transform.ScaleTween(finalScale, travelTime).SetEase(settings.TargetTravelEase);
 
         }
 

Assets/VRBeatsKit/Scripts/Spawneable/SpawnEventInfo.cs

@@ -32,5 +32,7 @@ namespace VRBeats
         public Vector3 rotation = Vector3.zero;
         public float speed = 2.0f;
         public int speedMultiplier = 1;
+        // 0 이면 Settings.TargetTravelTime 사용, 양수면 해당 시간으로 이동
+        public float travelTimeOverride = 0f;
     }
 }

Assets/VRBeatsKit/Settings/Settings.asset

@@ -16,7 +16,7 @@ MonoBehaviour:
   leftColor: {r: 1, g: 0, b: 0, a: 1}
   glowIntensity: 100
   targetTravelDistance: 40
-  targetTravelTime: 0.5
+  targetTravelTime: 1.8
   targetTravelEase: 19
   errorLimit: 7
   scorePerHit: 50

Assets/font.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 6e2b6321d0fb6bc42829561179a3d7ae
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

ProjectSettings/EditorBuildSettings.asset

@@ -17,6 +17,9 @@ EditorBuildSettings:
   - enabled: 1
     path: Assets/VRBeatsKit/Scenes/SaberStyle.unity
     guid: bb4ee84e66cce254e9cbf1fdfc136c08
+  - enabled: 1
+    path: Assets/Scenes/Game.unity
+    guid: dab0572fcafe87d4b80a838fd874234b
   m_configObjects:
     Unity.XR.Oculus.Settings: {fileID: 11400000, guid: c872ebb38c96a954ca6549564e1aa398,
       type: 2}